CN206463023U - A kind of automatic reset structure and the stapler with the automatic reset structure - Google Patents

Abstract

The utility model discloses a kind of automatic reset structure and the stapler with the holding structure, the automatic reset structure includes a rotary head, a rotating base and release link；The rotary head rotates with the rotating base pin joint and around the rotating base, the rotating base is provided with the reset guide groove slided for the release link, the reset guide groove is provided with open segment, one end of the open segment and the reset limited block of the release link offset, and the other end of the open segment offsets with the back-moving spring being socketed in the release link；The rotary head includes at least two jags, and the jag corresponds and offset with the release link respectively, and bear when the rotary head is in non-rest position that the release link transmits the rotary head is recovered to the power of equilbrium position.Compared with prior art, the beneficial effects of the utility model are：The utility model is provided with rotary head locking and rotary head automatic reset structure, under non-locking state, it is not necessary to external forces, you can rotary head is automatically reset, rotation can be made to become more smooth.

Description

A kind of automatic reset structure and the stapler with the automatic reset structure

Technical field

The utility model is related to field of surgical, specially a kind of automatic reset structure and with the automatic reset structure Stapler.

Background technology

Current Minimally Invasive Surgery occupies the critical role in surgical operation, wherein, it is surgical operation by focus progress excision An important part, general method is that the operating theater instruments of surgery has a long axle or shaft-like knot at present Structure, focus is probeed under the cooperation of endoscope by axle or bar, and by lesion resection.

Stapler is as one kind of operating theater instruments, and the operation principle of stapler is that stapler is clamped in into lesions position, is entered Row excision, is sutured focus while excision.

Because the front end of stapler is typically straight-bar, straight-bar generally can not be matched and coincide to focus well, this Need front end rod-like structure that there is the function that can be bent.

In the prior art, front end bar portion can be controlled by the rear end control end of stapler, but this control Not automatic characteristic, that is to say, that after angle adjustment is carried out to front end bar portion, it is impossible to automatically reply.

In view of drawbacks described above, it is new that the utility model creator obtains this practicality finally by prolonged research and practice Type.

Utility model content

To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is there is provided a kind of automatic reset structure, It includes a rotary head, a rotating base and release link.The rotary head is with the rotating base pin joint and around the rotation bottom Seat rotation, the rotating base is provided with the reset guide groove slided for the release link, and the reset guide groove is provided with open segment, One end of the open segment and the reset limited block of the release link offset, and the other end of the open segment is described multiple with being socketed in Back-moving spring on the bar of position offsets.The rotary head include at least two jags, the jag respectively with the release link Correspond and offset, and bear when the rotary head is in non-rest position the release link transmission make the rotary head Recover to the power of equilbrium position.

Preferably, the automatic reset structure also includes a securing rod, the securing rod is arranged in the rotating base One locking guide groove in；It is provided with the rotary head on ratchet, the securing rod and is provided with the tooth being engaged with the ratchet Shape structure；The securing rod can one locking pull lever in the presence of along it is described locking guide groove move, realize the ratchet With being engaged or release for the dentalation.The locking guide groove is located at the same of the rotating base with the reset guide groove Side.

Preferably, setting Lock spring, described Lock spring one end and the lock on the securing rod in the locking guide groove Determine bulging section to offset, other end offsets with the locking guide groove.

Preferably, the rotary head rotates latch structure pin joint with the rotating base by one.

Preferably, the automatic reset structure also includes being socketed in the rotary head, the rotating base and the reset Shell outside bar.

Preferably, first holster, being connected by the first connection sheet and the second connection sheet with the second holster；

First holster passes through the connection sheet pin joint with second holster.

Preferably, first connection sheet and the up to rare circular protrusions of the second connection sheet, one of them is with described One holster pin joint, another is with being the second holster pin joint.

Preferably, the automatic reset structure also includes a push broach bar protective case, the push broach bar protective case is against described Slit is provided with rotary head, the push broach bar protective case.

The present embodiment also provides a kind of stapler, and it includes automatic reset structure as described above.

The beneficial effects of the utility model are compared with the prior art：The utility model is provided with rotary head locking and turned Dynamic head automatic reset structure, under non-locking state, it is not necessary to external forces, you can rotary head is automatically reset, can make Rotation becomes more smooth.

Brief description of the drawings

, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment The accompanying drawing to be used is briefly described.

Fig. 1 is clamping subelement external structure schematic diagram；

Fig. 2 is clamping subelement tail end internal structure schematic diagram；

Fig. 3 is staple cartridge tray structure of glide path schematic diagram；

Fig. 4 is resist-nailed seat internal structure schematic diagram；

Fig. 5 is cutter structural representation；

Fig. 6 is nail bin groupware structural representation；

Fig. 7 is gun barrel overall structure profile；

Fig. 8 is clamping transmission subunit front-end architecture schematic diagram；

Fig. 9 is clamping transmission subunit end construction schematic diagram；

Figure 10 is the first fixed cover structural representation；

Figure 11 is shearing transmission subunit structural representation；

Figure 12 is rotary drive sub-unit structure schematic diagram；

Figure 13 is head position view in rotation；

Figure 14 is rotation STATEMENT OF FEDERALLY SPONSORED structural representation；

Figure 15 is swivel joint schematic internal view；

Figure 16 is inner core and the connection diagram of rotation STATEMENT OF FEDERALLY SPONSORED；

Figure 17 is rotary head structural representation；

Figure 18 is rotating base structural representation；

Figure 19 is locked out bar structural representation；

Figure 20 is control unit left view；

Figure 21 is control unit right view；

Figure 22 is triggering sub-unit structure schematic diagram；

Figure 23 is the first reset switch and the second reset switch connection diagram；

Figure 24 is the first reset switch slideway structure schematic diagram；

Figure 25 is the second reset switch structural representation；

Figure 26 is the second reset switch contact chip and circuit board connection diagram；

Figure 27 is hand-reset lid and manual reset switch position view；

Figure 28 is hand-reset piece and reset of card bit slice connection diagram；

Figure 29 is hand-reset unit and restoring link connection diagram；

Figure 30 is hand-reset unit and device body main body connection diagram；

Figure 31 is to hide insurance subunit position schematic diagram；

Figure 32 is to hide insurance subelement right view；

Figure 33 is to hide insurance subelement left view；

Figure 34 is to contradict insurance sub-unit structure schematic diagram；

Figure 35 is automatic reset structure schematic diagram；

Figure 36 is rotational structure schematic diagram；

Figure 37 is locked out bar structural representation；

Figure 38 is flexible protective casing position view；

Figure 39 is battery unit structure schematic diagram；

Figure 40 is electric machine structure schematic diagram.

Embodiment

Below in conjunction with accompanying drawing, and other technical characteristic above-mentioned to the utility model and advantage are described in more detail.

The utility model is related to a kind of hysteroscope stapler, and it includes：

One execution unit, for realizing clamping, shearing and stapling function action；One gear unit, for power to be transmitted To described execution unit；One control unit, for the when program process for controlling above-mentioned functions to realize；One power unit, for defeated Go out to be clamped, shear and stapling action power；One battery unit, for being powered to motor and circuit.One clamps holding list Member, for maintaining the close handles to be in closure state；One automatically resets unit, for make in non-locking state rotary head from It is dynamic to reset.

Described execution unit includes：One clamping subelement, a cutting subelement and a stapling subelement.

As shown in figure 1, being clamping subelement external structure schematic diagram；As shown in Fig. 2 being clamping subelement tail end internal junction Structure schematic diagram.The clamping subelement is used to complete the holding action to treatment target, and described clamping subelement includes：To nail Seat 111 and staple cartridge tray 121, the staple cartridge tray 121 are provided with staple cartridge tray slideway 122, and the two ends of staple cartridge tray slideway 122 are respectively nail Storehouse seat slipway location 1 and staple cartridge tray slipway location 2 1222.As shown in figure 3, being staple cartridge tray structure of glide path schematic diagram. The bottom of staple cartridge tray 121 is provided with a staple cartridge tray glidepath 124.As shown in figure 4, being resist-nailed seat internal structure schematic diagram.It is described Resist-nailed seat 111 includes slide rail 1112, resist-nailed seat forming tank 1113, resist-nailed seat sliding block 1111 and arc groove 1114 on resist-nailed seat, The resist-nailed seat sliding block 1111 is placed in staple cartridge tray slideway 122, can be slided along staple cartridge tray slideway 122.The arc groove 1114 Outer cover is equipped with the second holster 112, and second holster 112 has a projection, when the second holster is axially moved, and the projection will Power acts on arc groove 1114, for moving resist-nailed seat sliding block 1111.When the resist-nailed seat sliding block 1111 is located at staple cartridge tray At slipway location 2 1222, the open-shaped state of resist-nailed seat 111.When resist-nailed seat sliding block 1111 is located at staple cartridge tray slipway location 1 During place, resist-nailed seat 111 is in closure state.The clamping subelement completes staple cartridge tray by the axial movement of the second holster 112 121 with the clamping of resist-nailed seat 111.

As shown in figure 5, being cutter structural representation.The cutting subelement is used for after stapling action to treatment target Carry out shear treatment.Described cutting subelement includes cutter 151.The cutter 151 include：Raised 152 on cutter, Cutting edge 153 and cutter sliding block 154.Projection 152 is slided on resist-nailed seat in slide rail 1112 on the cutter, described Cutter sliding block 154 is slided in staple cartridge tray glidepath 124.Cutter back projection 155 is combined with push broach bar 231, The push broach bar 231 promotes cutter 151 to slide, for cutting object.

The stapling subelement is used to complete to act the stapling for the treatment of target.Described stapling subelement includes nail bin group Part.As shown in fig. 6, being nail bin groupware structural representation.The nail bin groupware is pushed away including nail bin 1231, anastomosis staple 1232, first Follow closely piece 1233, the second pushing slice of nail 1234, the 3rd pushing slice of nail 1235, ejector pin slide plate 1236 and nail bin cover 1237.The cutter 151 Ejector pin slide plate 1236 is withstood to move to close to nail bin direction, in the presence of ejector pin slide plate 1236, the first pushing slice of nail 1233, second The pushing slice of nail 1235 of pushing slice of nail 1234 and the 3rd drives anastomosis staple 1232 to fire upwards, and the anastomosis staple 1232 after percussion hits resist-nailed seat Forming tank 1113, then anastomosis staple 1232 be changed into B fonts, complete suture.

Described gear unit includes：

One clamping transmission subunit, for transmitting holding action to described clamping subelement；One stapling transmission subunit, For being acted to described stapling subelement transmission stapling；One shearing transmission subunit, for being passed to described cutting subelement Pass shear action；One rotary drive subelement, for transmitting spinning movement to clamping subelement；One rotates transmission subunit, uses In the rotational angle for locking the clamping subelement.

Wherein, described stapling transmission subunit and shearing transmission subunit share same structure.

As shown in fig. 7, being gun barrel overall structure profile；Such as Fig. 8, for clamping transmission subunit front-end architecture schematic diagram； As shown in figure 9, being clamping transmission subunit end construction schematic diagram.Described clamping transmission subunit includes：Drive link 215, First fixed cover 214, the second fixed cover 213, the first holster 212, closing spring 218, the first connection sheet 2173 and the second connection Piece 2174.As shown in Figure 10, it is the first fixed cover structural representation.First fixed cover 214 passes through the first fixed cover bearing pin 2141 are hinged with drive link 215.First fixed cover 214 is loop configuration, is internally provided with the first fixed cover neck 2142. First holster 212 is provided with the first holster neck 2124.Described one end of first holster 212 is put in the first fixed cover 214 Portion so that the first holster neck 2124 docks placement with the first fixed cover neck 2142, so as to form annular groove.Institute State the second fixed cover 213 to be placed in the annular groove, for the first holster of clamping 212.Therefore, first protective case 214, Second protective case 213 and first holster 212 formation fixed relationship, define that first holster 212 can only be along described the Moved axially defined in one holster 212, but do not limit it in the rotation in axial plane.First holster 212 other ends are connected with the second holster 112 by the first connection sheet 2173 and the second connection sheet 2174 so that first holster 212 axial movement can drive the second holster 112 to be axially moved, and then control the opening or closure of resist-nailed seat 111.

As shown in figure 11, it is shearing transmission subunit structural representation, described shearing transmission subunit includes：Rack 232nd, pull bar 233 and push broach bar 231, the push broach bar 231 include four sub-links arranged side by side, described one end of push broach bar 231 with Cutter 151 are fixedly connected, and the other end of push broach bar 231 and the clamping of pull bar 233, the pull bar 233 also connect with rack 232 Connect.The pull bar 233 is connected one end with the push broach bar 231 provided with pull bar groove 2331, for connecting the push broach bar 231. The push broach bar 231, which is connected one end with pull bar 233, push broach bar projection 2311, and the push broach bar projection 2311 is recessed with the pull bar Groove 2331 is fixedly connected.Described one end of rack 232 is provided with rack clamping groove 2324, and the pull bar 233 connects the tooth Take turns the one end of bar 232 and be provided with pull bar shackle member 2332, the pull bar shackle member 2332 is fixed with the rack clamping groove 2324 Connection.

It is rotary drive sub-unit structure schematic diagram such as Figure 12.The rotary drive subelement includes：Rotation fresh idea 251, The holster 212 of swivel joint 252 and first.The rotation fresh idea 251 is connected with the portion of the handle of stapler, the holster 212 As probeing into a part for inside of human body by minimally invasive mouth, and an axle can be defined, probe into the other structures of inside of human body It is extended along the axle.

The swivel joint 252 includes two relative parts, and two parts connect male by the swivel joint 2521 be connected with swivel joint female 2522 carry out it is affixed.

Shown rotation fresh idea 251 has a rotary flower head portion and a rotary flower head-tail, shown rotary flower head portion It is mutually close with the swivel joint 252.The rotary flower head-tail is in flower shape, to facilitate operator to use.Such as Figure 13 institutes Show, for head position view in rotation.The rotation fresh idea 251 also includes a rotation wrapped up by the swivel joint 252 Interior first 2511, the rotation fresh idea 251 is attached by way of clamping with the swivel joint 252, and can be driven The swivel joint 252 moved along an axial direction defined in first holster 212, the rotation fresh idea 251 can be rotated, and the structure for driving other related is rotated, but the swivel joint 252 not necessarily with it is described Rotation fresh idea 251 carries out being rotated in the plane vertical with axle defined in first holster 212 simultaneously.The rotation Turn fresh idea 251 rotation when, can drive first holster 212 with axle institute defined in first holster 212 Rotated in vertical plane.

Such as Figure 14, for rotation STATEMENT OF FEDERALLY SPONSORED structural representation；It is swivel joint schematic internal view such as Figure 15.The rotation connects First 252 be to be set in a cyclic structure, the rotation STATEMENT OF FEDERALLY SPONSORED 253 provided with a rotation STATEMENT OF FEDERALLY SPONSORED 253, the rotation STATEMENT OF FEDERALLY SPONSORED 253 There is linkage to cave in 2531, linkage projection 2532, clamping groove 2533 and clamping projection 2534.The clamping groove 2533 and clamping Projection 2534 is connected together, for the fixedly locked one end of pull lever 2743 away from securing rod 274.The rotation STATEMENT OF FEDERALLY SPONSORED 253 be a cyclic structure, and rotation STATEMENT OF FEDERALLY SPONSORED 253 described first includes a raised flange, the flange and the rotation Head can drive the rotation STATEMENT OF FEDERALLY SPONSORED transported along the axial direction of the first holster 212 in interior head phase clamping, the rotation Dynamic, this motion in axial direction is realized by the flange with head clamping in the rotation.

The rotation STATEMENT OF FEDERALLY SPONSORED 253 includes some linkages and caves in 2531, and the linkage is caved in 2531 to link along the rotation The outer wall inward wall of part 253 sink, and in outer wall formation hole shape structure, forms projection in inwall, the linkage caves in 2531 described The projection formed on inwall can be engaged with first holster 212, when the rotation STATEMENT OF FEDERALLY SPONSORED 253 is by head in the rotation When 2511 drives are rotated, first holster 212 can be driven to be rotated, the rotation STATEMENT OF FEDERALLY SPONSORED 253 can be by institute First 2511 drive rotation in rotation is stated, is due to that some linkage projections 2532 are provided with the rotation STATEMENT OF FEDERALLY SPONSORED 253, it is described Dynamic projection 2532 has good clamping with the rotation first 2511, when making first 2511 rotation in the rotation, drives institute Linkage projection 2532 is stated to drive the rotation linkage block 253 to rotate.

It is inner core and the connection diagram of rotation STATEMENT OF FEDERALLY SPONSORED such as Figure 16.There is a tubulose sky in first holster 212 Chamber, including a tubular core 281, the inner core 281 has an axle similar to first holster, but the axle and differs It is fixed exactly the same with first holster 212 axle.The first inner core is provided with the inner core 281 and lacks block 2811, the second inner core Lack the inner core of block 2812 and the 3rd and lack block 2813.Second inner core lacks block 2812 can be with 2531 progress of caving in that link Match somebody with somebody, when so described rotation linkage block 2531 is rotated, the rotation linkage block 253 can be by lacking with the inner core Linkage effect between block drives the inner core 281 to be rotated.

The rotation fresh idea 251 drives rotation linkage block 253 to be rotated by the rotation first 2511, the rotation Linkage block 253 is rotated by the rotation set thereon the 2531 drives inner core 281 that caves in first holster 212, is gone forward side by side One step drives other structures to be rotated.

The rotation linkage block 253 is synchronized motion, and institute by the rotation fresh idea 251 by rotation first 2511 Swivel joint 252 is stated to wrap in the rotation first 2511 with the rotation linkage block 253.The inner core 281 is located at institute State within the first holster 212.

Linkage projection 2532 is provided with the rotation linkage block 253, the linkage block can be with a locking pull lever The locking set on 2743 pulls borehole jack to connect, so as to drive the locking pull lever 2743 to be moved, so as to drive one A little front-end architectures perform related action.In this process, other dependency structures are also driven, for example catch bar 231.

It is rotary head structural representation such as Figure 17；It is rotating base structural representation such as Figure 18；It is securing rod such as Figure 19 Structural representation.The rotation transmission subunit includes：Rotary head 271, spring catch 2711, rotating base 272, securing rod 274 With locking pull lever 2743, staple cartridge tray 111 is connected with rotary head 271 by spring catch 2711；Rotary head 271 and rotating base 272 sides are connected by latch structure 2722, and rotary head 271 can circumferentially be rotated around the rotating shaft of rotating base 272；Rotating base 272 bottoms have be cased with a locking guide groove 2723, securing rod 274 Lock spring 2741 be placed in locking guide groove 2723 in, Securing rod 274 can be slided in locking guide groove 2723.The rotary head 271 is provided with ratchet 2712, the end of ratchet 2712 There are 7 teeth in portion, and there is dentalation 2742 securing rod 274 side that is in contact with ratchet 2712, and dentalation 2742 can be blocked Any one tooth in ratchet 2712, limitation rotary head 271 is rotated.

The one end of securing rod 274 away from rotary head 271 is provided with groove, and locking pull lever 2743 passes through this with securing rod 274 Groove is mutually linked.Such as Figure 14, for rotation STATEMENT OF FEDERALLY SPONSORED structure chart.The locking other end of the pull lever 2743 away from securing rod 274 With the rotation clamping of STATEMENT OF FEDERALLY SPONSORED 253.

Rotation fresh idea 251 is pulled to away from the direction of resist-nailed seat 111, swivel joint 252, rotation STATEMENT OF FEDERALLY SPONSORED can be pulled successively 253rd, locking pull lever 2743 and securing rod 274, when dentalation 2742 is separated with ratchet 2712, rotary head 271 can rotate The dynamic axis of rotation of base 272.Suitable angle is turned to, swivel joint 252 is unclamped, the one of tooth of the ratchet 2712 can quilt Dentalation 2742 is blocked, said process, can reach the purpose for rotating staple cartridge tray 121 and resist-nailed seat 111.

As shown in figure 20, it is described control unit left view；As shown in figure 21, it is described control unit right view.It is described Control unit includes：

One triggering subelement, for trigger action switch；One stops subelement, and motor stalling action is produced for triggering； One hand-reset subelement, for resetting cutter by handle operation；One hides insurance subelement, for hiding trigger, prevents Only false triggering trigger；One contradicts insurance subelement, for limiting trigger, prevents false triggering.

As shown in figure 22, it is triggering sub-unit structure schematic diagram, the triggering subelement includes：Close handles 39, locking Bearing pin 392, drive link 215, gear pin 311, trigger 31, gear pin 311 and percussion switch 315, close handles 39 pass through Locking bearing pin 392 is connected with device body main body 354, and drive link 215 is hinged with close handles 39 by gear pin 311, trigger 31 It is connected with close handles 39 by gear pin 311, presses the locking tail end 392 in close handles 39, close handles 39 is another Concomitant rotation is held, each connector is driven, realizes holding action.When by trigger action 31, trigger 31 is contacted in rotary course and hit Hair switch 315.

The stopping subelement including circuit board 317, the first reset switch 331 and the second reset switch 332.The circuit Plate 317 is provided with SW4 buttons 314 and SW5 buttons 316, and the percussion switch 315 is used to trigger SW4 buttons 314.The rack 232 are provided with the first tooth form of rack area 2322, the second tooth form of rack area 2323 and rack slideway 2321.

As shown in figure 23, it is the first reset switch and the second reset switch connection diagram；As shown in figure 24, it is first multiple Bit switch slideway structure schematic diagram.First reset switch 331 is provided with the first reset switch slideway 3311.Such as Figure 25 institutes Show, be the second reset switch structural representation.Second reset switch 332 is provided with the second reset switch contact chip 333, the One sliding block 3321 and the second sliding block 3322, second sliding block 3322 can be slided along rack slideway 2321, the first sliding block 3321 Contacted with the first reset switch slideway 3311.First reset switch 331 is manual trigger switch, when the first reset switch 331 without triggering manually when, the first sliding block 3321 is slided in the first reset switch slideway 3311, therefore described second resets Switch 332 will not drive the first reset switch 331 to move in motion process；When the first reset switch 331 is triggered manually When, the first reset switch 331 is initiating structure, and the second reset switch 332 is driven structure, the first reset switch slideway 3311 ends will drive the first sliding block 3321 to move.

As shown in figure 26, it is the second reset switch contact chip and circuit board connection diagram.Second reset switch connects Contact 333 can be connected with circuit board 317, for triggering SW5 buttons 316.When rack 232 is transported to the direction of resist-nailed seat 111 When dynamic, it can drive the second reset switch 332 to slide, and the second reset switch contact chip 333 is connected with circuit board 317 Touch, triggering SW5 buttons 316.When SW4 buttons and SW5 buttons are co-located on non-toggle state, motor 41 does not work.Then press It can make SW4 buttons in triggering state to trigger 31 and SW5 buttons are in non-toggle state, motor 41 works, and motor 41 drives Rack 232 is moved to the direction of resist-nailed seat 11, and the rack 232 drives the push broach bar 231 to move, the push broach bar 231 Cutter 151 are driven to cut treatment target.In addition, rack 232 is into the direction motion process of resist-nailed seat 11, rack The end of slideway 2321 drives second reset switch 332 to move by the second sliding block 3322, and then can trigger SW5 buttons 316. When SW4 buttons 314 and SW5 buttons 316 are co-located on triggering state, motor 41 stops operating.Now unclamp trigger 31, trigger 31 return to initial position, and percussion switch 315 can unclamp SW4 buttons 314.When SW4 buttons 314 are in non-toggle state, and SW5 When button is in triggering state, the counter motion of motor 41, so as to pass through the 3rd change-speed gearing 435, the 4th change-speed gearing 48, gear Mutually driven between bar 232, pull bar 233, push broach bar 231, cutter 151 are gradually taken back into original position.Answered when promoting described first During bit switch 331, the end effect of the first reset switch slideway 3311 drives the second reset switch in the first sliding block 3321 After 332 motions, the second reset switch contact chip 333 triggering SW5 buttons 316, motor 41 stops operating.

As shown in figure 27, it is hand-reset lid and manual reset switch position view；As shown in figure 28, it is hand-reset Piece and reset of card bit slice connection diagram；As shown in figure 29, it is hand-reset unit and restoring link connection diagram；Such as Figure 30 It is shown, it is hand-reset unit and device body main body connection diagram.

The hand-reset subelement includes hand-reset lid 351, manual reset switch 352, hand-reset piece 353, the Two pins 355, reset of card bit slice 46, restoring link 356 and irregular spring 357.

The manual reset switch 352 is provided with manual reset switch projection 3521.The hand-reset piece 353 is provided with Accommodating on the groove of manual reset switch projection 3521, the groove has two end faces, respectively hand-reset piece first end face 3531 and hand-reset piece second end face 3532.

The manual reset switch 352, hand-reset piece 353 and restoring link 356 pass through the second pin 355 and device body master Body 354 is connected, and the lower section of hand-reset piece 353 is reset of card bit slice 46, and irregular spring 357 and the 3rd reset switch 61 pass through the Three pins 64 are connected with device body main body 354.One end clamping device body main body 354 of irregular spring 357, its other end is with resetting Connecting rod 356 is connected, and pressure is acted on down on restoring link 356.The restoring link 356 connects the irregular spring 357 one end is provided with restoring link projection 3561.

Remove after hand-reset lid 351, manual reset switch 352 will be exposed.Manual reset switch 352 is pulled out, Manual reset switch projection 3521 is pressed against hand-reset piece first end face 3531, makes hand-reset piece 353 with manual reset switch 352 rotate.Hand-reset piece second end face 3532 is set to be against plane on reset of card bit slice 46, under external force reset of card bit slice 46 the 4th change-speed gearings 48 of promotion are moved down, and the first retaining spring 45 is pushed.When hand-reset piece 353 slips into reset of card bit slice During 46 indentation, there, hand-reset piece 353 is locked, and now manual reset switch 352 can be swung, but can not return to initial position.

When manual reset switch 352 is swung, restoring link 356 is moved with manual reset switch 352, in motion process, Occlusion the first tooth form of rack of restoring link 356 area 2322, so as to drive rack 232 to slide backward.The rack first Tooth form is unidirectional tooth in tooth form area 2322, and when restoring link 356 is acted, rack 232 can only be retreated, it is impossible to be advanced.Work as reset When connecting rod projection 3561 skids off rack the first tooth form area 2322, hand-reset function is completed.

As shown in figure 31, subunit position schematic diagram is insured to hide.The hiding insurance subelement includes：Trigger 31, Insurance 37, shell 81 and close handles 39.The close handles 39 link with the trigger 31.As shown in figure 32, protected to hide Dangerous subelement right view；As shown in figure 33, subelement left view is insured to hide.The close handles 39 include locking tail end 391 are used to coordinate with the locking bearing pin 392 with locking bearing pin 392, the locking tail end 391, and operator is easy to provide one The lever force that the locking spanner 39 is closed.The shell 81, which surrounds to be formed, hides insurance accommodating cavity, when locking tail end 391 is remote During from the shell 81, the insurance 37 is hidden in the hiding insurance accommodating cavity with the trigger 31.The closure hand Handle 39 is not closed, and operator can not touch the insurance 37 or trigger 31 with hand.Therefore, eliminate and caused due to touching by mistake False triggering risk.

The other end away from the locking tail end 391 in the close handles 39, gear pin is passed through with drive link 215 311 pin joints, the protective case 214 of drive link 215 and first passes through the pin joint of the second protective case bearing pin 2141, second protective case Space with one degree of freedom, can carry out translational motion on a longitudinal axis of its restriction.

In the closing course of close handles 39, external force makes the locking tail end 391 close to the shell 81, entirely The close handles 39 rotate around the locking bearing pin 392, because first protective case 214 is merely able to translation, so only The gear pin 311 is moved downward under the drive of the close handles 39, and the gear pin 311 is moved downward so that The insurance 37 can depart from the hiding insurance accommodating cavity with the trigger 31, and operator can be allowed normally to use the insurance 37 with the trigger 31.The insurance 37 is connected by a safety pin shaft 372 with the close handles 39.

The first locating slot 394 and the second locating slot 393 are additionally provided with the close handles 39.37 one end of the insurance are set Insurance locating piece is equipped with, the other end is provided with the first insurance projection 371.Insurance locating piece and first locating slot 394 and Second locating slot 393 coordinates, by the position restriction of the insurance 37 is in first locating slot 394 or described second determines In the groove 393 of position.

As shown in figure 34, sub-unit structure schematic diagram is insured to contradict.The insurance subelement that contradicts includes：Insure 37 Hes Trigger 31.When the close handles 39 are in it is not closed when, the insurance 37 and the trigger 31 are hidden in described hide Insure within accommodating cavity, now, operator is can not to touch the insurance 37 and the trigger 31, but is not exclusively by other Mode touches the possibility of the trigger 31 when the close handles 39 are in release position, and the close handles 39 are in and closed When closing position, trigger 31 can be pulled, but no matter whether the close handles 39 are in closure state, in the insurance 37 In the case of not being opened, the trigger 31 can not all touch.The back side of trigger 31 is provided with one and keeps out beam 313, described Keeping out beam 313 can be inconsistent with the described first insurance projection 371, so as to prevent the trigger 31 from further pressing downwards.Institute With, only close the close handles 39 and discharge the insurance 37 from hiding safety position with the trigger 31, and Insurance 37 is toggled it to behind release position from latched position, the trigger 31 can be pulled, pull trigger 31 drive is described Trigger triggering block 312 drives the linkage of other link gears.

As shown in figure 20, it is described control unit left view；It is to clamp to protect described in described control unit right view such as Figure 21 Holding unit includes the 3rd reset switch 61, keeper 62 and back-moving spring 63.3rd reset switch 61 and device body main body 354 Connected with the 3rd pin 64, and the 3rd reset switch 61 is blocked with irregular spring 357.The fixing end of the keeper 62 passes through 4th pin 65 is connected with device body main body 354.After close handles 39 reach closing position, the 3rd reset switch 61 is flicked, and is closed Close the semi arch tail end of handle 39 and be caught in the front end of the 3rd reset switch 61, while the tail end of the 3rd reset switch 61 is higher by keeper 62, In the effect of back-moving spring 63, the bounce-back of keeper 62 is caught in below the afterbody of the 3rd reset switch 61, make the 3rd reset switch 61 It is locked, it can be heard " click " because keeper 62 makes keeper 62 hit the 3rd reset switch 61 under the effect of back-moving spring 63 Sound.

The keeper 62 is connected with the rack 232, and the positioning will be driven in the reseting procedure of rack 232 Part 62 is linked, and close handles 39 are reached after closing position, make the 3rd reset switch 61 locked, the 3rd reset switch 61 is in rack 232 do not reset before can not rotate all the time.It is described reseting procedure middle gear bar 232 drive keeper 62, compression reseting spring 63, After the mobile terminal of keeper 62 departs from the 3rd reset switch 61, the 3rd reset switch 61 is free to rotate.

Close handles 39 are extruded, the 3rd reset switch 61 is then promoted forward, the front end of the 3rd reset switch 61 is turned upwards It is dynamic to depart from the back plan of close handles 39.When pressure is still located on the 3rd reset switch 61 switch, release close handles 39 exist The effect of closing spring 218 is lower to promote the first fixed cover 214, the second fixed cover 213, drive link 215 close handles 39 is returned just Beginning position, because the effect of closing spring 218 makes the first fixed cover 214, the second fixed cover 213, the first holster 212, the first aluminium Enclose the 2171, second aluminium circle 2172, flexible protective casing 2175, the first connection sheet 2173, the second connection sheet 2174, the second holster 112 Initial position is retracted backward, is opened after the release of resist-nailed seat 111.

As shown in figure 35, it is automatic reset structure schematic diagram；As shown in figure 36, it is rotational structure schematic diagram.It is described automatic Reset unit includes rotating base 272, rotary head 271 and release link 273.The rotating base 272 is used as the unit that automatically resets Main body supporting structure, support is played a part of to the rotary head 271 and the release link 273.

It is provided with the rotating base 272 and resets guide groove 2721 with the quantity identical of release link 273, it is described to reset Guide groove 2721 has an opening close to one end of the rotary head 371, the reset guide groove 2721 away from the rotary head 271 one End is provided with plug.

Described reset includes in the space that guide groove 2721 is used to provide slip for the release link 273, the release link 273 The one reset limited block 2731 swelled, described reset 2731 position-limiting actions of limited block, for preventing the release link 273 from deviating from The reset guide groove 2721, the corresponding reset middle end of upper section of guide groove 2721, which is provided with, to be led to for the reset limited block 2731 The open segment crossed.

The release link 273 is division limits with the reset limited block 2731, including is resetted after front end 2733 and reset End 2732, the reset front end 2733 is partially disposed within the reset guide groove 2721 with the reset rear end 2732, The direction of motion of the release link 273 is set to be limited by the reset guide groove 2721.The reset front end 2733 includes one and resetted Contact head 2734, the moment of rotation jag 2713 for resetting contact head 2734 with being set on the rotary head 271 contradicts, shape Into resistance surface.It is attached between the rotary head 271 and the rotating base 272 by latch structure 2722, makes the rotation First 271 can be rotated around the latch structure 2722.

Locking guide groove 2723 is provided with the rotating base 272 to be used to provide accommodation space for securing rod 274.

As shown in figure 37, it is securing rod structural representation；The front end of securing rod 274 is provided with dentalation 2742, institute Stating dentalation 2742 can mutually be engaged with the ratchet 2712 set on the rotary head 271, so as to realize to the rotary head 2712 fixation；The other end, the securing rod 274 is connected with locking pull lever 2743, and can be pulled in the locking Under the pulling of bar 2743, the disengaging between the dentalation 2742 and the ratchet 2712, the locking guide groove are realized The Lock spring 2741 being enclosed on the securing rod 274 or other elastic constructions are provided with 2723 so that draw in the locking Lever 2743 is removed after pull-back forces, can realize being engaged again between the dentalation 2742 and the ratchet 2712, So as to retighten the rotary head 271.The securing rod 274 also has a locking bulging section, for locking guide groove 2723 coordinate, and block the Lock spring 2741.

As shown in figure 38, it is flexible protective casing position view；As shown in figure 39, it is the 3rd protective case position view. It is provided with one end in the release link 273 to offset with the reset limited block 2731, the other end offsets with the open segment tail end Spring structure, the spring is always to provide the power for making the release link 273 be moved to the rotary head.

During working condition, the securing rod 274 is pulled to released state from lock-out state, meanwhile, rotary head is in front end Rotated under the drive of structure around the latch structure 2722, wait to turn to after default proper angle, the locking is pulled Bar 2743 removes motive force, and the securing rod 274 is under the effect of the spring 2741 again between the rotary head 271 Form fixed occlusion.

Due to the rotation of the rotary head 271, make between the rotation jag 2713 and the reset contact head 2734 Produce relative motion, the rotary head 271 has two contact surfaces with the release link 273, during this motion this Two contact surfaces are rotated with the rotary head 271 around the latch structure 2722, and one of them is not by the active force shadow of rotary head 272 Loud release link, holding position is constant, and the reset contact head 2734 of a release link is by the rotation of the jag 2713 in addition Driven, compressed the spring described in this root in release link 273, this root release link 273 is moved backward.When the locking is pulled When bar 2743 again retracts the securing rod 274, depart between the ratchet 2712 and the dentalation 2742, in pressure Spring in the release link 273 of contracting state progressively recovers to non-compressed state, and spring-return pushes dynamic whole rotary head 271 around institute State latch structure 2722 to be rotated, so that the rotary head 271 resets.After the rotary head 271 resets, the locking is pulled Bar 2743 recalls motive force, and the securing rod 274 travels forward in the presence of the Lock spring 2741, is the dentation knot Structure 2742 is engaged again with the ratchet 2712, and whole action is completed.

The rotary head 271 is placed in second holster 112, and the rotating base 272 is placed on the first holster 212 It is interior, pass through the connection sheet 2174 of the first connection sheet 2173 and second between first holster 212 and second holster 112 It is attached, is equipped with pin-and-hole on first holster 212 and second holster 112, first connection sheet 2173 and the Two connection sheets 2174 are provided with circular protrusions as bearing pin.

For the connection sheet between the holster 112 of the first holster 212 and second, quantitatively without limiting, still Two at least are should be, and the circular protrusions in the connection sheet 2174 of first connection sheet 2173 or second should also be as at least two It is individual, one of them and the pin joint of the first holster 212, another is with being the pin joint of the second holster 112.

The unit that automatically resets also includes push broach bar protective case 276, and the push broach bar protective case 276 is used for push broach bar 231 progress are spacing, and the push broach bar protective case 276 is provided with a narrow chamber 2761 and passed through for the push broach bar 231, for preventing Push broach bar 231 produces larger vibration and skew when rotating or automatically reseting.

As shown in figure 39, it is battery unit structure schematic diagram, the battery unit includes four batteries 53, wherein two economize on electricitys Pond is connected with the first cell connector 56, the second cell connector 57 respectively.The battery 53 is connected on by power consumption module 54 Together, and it is positioned in battery carrier 52 and cell box shell 55, then is sealed by battery case cover plate 51.

The power unit includes electric machine assembly 4, and the electric machine assembly 4 includes motor 41 and such as Figure 40 institutes of gearbox body 43 Show, be that Figure 40 is electric machine structure schematic diagram.Motor 41 is fixed with motor sheath 42 with two pieces of screws, the first plastics change-speed gearing 431st, first stud gear 433, the second plastics change-speed gearing 432, second stud gear 434, the 3rd change-speed gearing 435, which load, becomes Fast casing 43 is interior, bushing 44 is inserted in the 3rd change-speed gearing 435, and electric machine assembly 4 is screwed in device body main body 354.The Four change-speed gearings 48, the first retaining spring 45 and reset of card bit slice 46 are connected with the first pin 47 with device body main body 354, and the 4th becomes Fast gear 48 is engaged with the 3rd change-speed gearing 435, and the 4th change-speed gearing 48 is also engaged with rack 232.

Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claim is limited Many changes are carried out, are changed, in addition it is equivalent, but fall within protection domain of the present utility model.

Claims (10)

1. a kind of automatic reset structure, it is characterised in that including a rotary head, a rotating base and release link；

The rotary head is rotated with the rotating base pin joint and around the rotating base, and the rotating base is provided with for described The reset guide groove that release link is slided, the reset guide groove is provided with open segment, one end of the open segment and the release link Reset limited block to offset, the other end of the open segment offsets with the back-moving spring being socketed in the release link；

The rotary head includes at least two jags, and the jag is corresponded and offseted with the release link respectively, and And bear release link transmission when the rotary head is in non-rest position the rotary head is recovered to equilbrium position Power.

2. automatic reset structure as claimed in claim 1, it is characterised in that it also includes a securing rod, the securing rod is set Put in the locking guide groove in the rotating base；

It is provided with the rotary head on ratchet, the securing rod and is provided with the dentalation being engaged with the ratchet；

The securing rod can one locking pull lever in the presence of along it is described locking guide groove move, realize the ratchet and institute State the occlusion or release of dentalation.

3. automatic reset structure as claimed in claim 2, it is characterised in that the locking guide groove and the reset guide groove position In the same side of the rotating base.

4. automatic reset structure as claimed in claim 2, it is characterised in that set Lock spring in the locking guide groove, institute State Lock spring one end to offset with the locking bulging section on the securing rod, other end offsets with the locking guide groove.

5. automatic reset structure as claimed in claim 1, it is characterised in that the rotary head passes through with the rotating base One rotates latch structure pin joint.

6. automatic reset structure as claimed in claim 1, it is characterised in that it also includes being socketed in the rotary head, described Rotating base and the shell outside the release link.

7. automatic reset structure as claimed in claim 6, it is characterised in that described also including the first holster and the second holster First holster is connected with second holster by the first connection sheet and the second connection sheet；

First holster passes through the connection sheet pin joint with second holster.

8. automatic reset structure as claimed in claim 7, it is characterised in that first connection sheet and the second connection sheet are up to Rare circular protrusions, one of them and the first holster pin joint, another is with being the second holster pin joint.

9. automatic reset structure as claimed in claim 1, it is characterised in that also including a push broach bar protective case, the push broach Bar protective case is provided with slit against the rotary head on the push broach bar protective case.

10. a kind of stapler, it is characterised in that it includes the automatic reset structure as described in any in claim 1-9.