CN208457088U - A kind of novel controllable time delay rebound nitrogen gas spring - Google Patents
A kind of novel controllable time delay rebound nitrogen gas spring Download PDFInfo
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- CN208457088U CN208457088U CN201821048252.1U CN201821048252U CN208457088U CN 208457088 U CN208457088 U CN 208457088U CN 201821048252 U CN201821048252 U CN 201821048252U CN 208457088 U CN208457088 U CN 208457088U
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Abstract
The utility model discloses a kind of novel controllable time delay rebound nitrogen gas spring comprising: cylinder body, cylinder body upper end are equipped with guide sleeve, and inferior part of the cylinder block is equipped with interconnection, and the cavity bottom of cylinder body offers downwards through the first longitudinal direction channel of interconnection；Plunger assembly, it includes the plunger for being installed on the intracorporal inner piston rod of cylinder and being sheathed on inner piston rod, upper end passes through guide sleeve to stretch out in outside guide sleeve, plunger lower periphery is contacted with the chamber outer wall of cylinder body, and the chamber of cylinder body is separated into epicoele and cavity of resorption, and plunger lower part is equipped with the one-way conduction channel of perforation epicoele and cavity of resorption, is equipped with check-valves in one-way conduction channel；Inner piston rod has hollow channel, is formed with gap between the inner wall of sliding cavity in inner piston rod outer wall and plunger；The air flue of perforation sliding cavity is inwardly offered on the outside of plunger；Inferior part of the cylinder block is equipped with the second longitudinal direction channel for penetrating through the hollow channel and interconnection, and inferior part of the cylinder block is equipped with the control valve arrangement for being used to open or closing second longitudinal direction channel.
Description
Technical field:
The utility model relates to elastic element product technical fields, refer in particular to a kind of novel controllable time delay rebound nitrogen gas spring.
Background technique:
With being constantly progressive for science and technology, requirement of the industrial circle to elastic element is higher and higher, has both required elastic member
Part meets the various demands of mechanical structure, and requires the miniaturization and high-performance of elastic element.
Conventional elastic means used in the prior art, such as spring, elastic rubber and air cushion, generated elastic force with
The directly proportional increase of increase of decrement and pressure cannot be kept constant during the work time, and the work that flexible stroke is small, very much
Skill needs constant Flexible change, and conventional elastic means bring very big influence and limitation to production engineering specifications, cannot
Meet process requirements, causes to directly affect product quality and efficiency, production cost is caused to greatly improve.
Nitrogen gas spring in the prior art can solve above-mentioned these problems, currently, the nitrogen gas spring of China's every profession and trade
Based on import, mould nitrogen gas spring (abbreviation punch die nitrogen gas spring or nitrogen gas spring or nitrogen cylinder or nitrogen cylinder) is one kind with elevated pressure nitrogen
Gas is the New Elastic Component on Cool of working media, it is small in size, elastic force is big, stroke is long, stable working, and manufacture is accurate, service life
Long, spring curve is gentle, and do not need preload etc., it has the common elastics such as metal spring, rubber and air cushion component difficult
In the work of completion, simplify mold design and manufacture, facilitate mold installation and adjustment, extend the service life of mold, it is ensured that produces
The stabilization of quality is a kind of optimal elastomeric element of a new generation with flex capability.
In view of this, the present inventor proposes following technical scheme.
Utility model content:
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of novel controllable time delay rebound nitrogen bullet
Spring.
In order to solve the above-mentioned technical problem, the utility model uses following technical proposals: the novel controllable time delay rebound
Nitrogen gas spring includes: cylinder body, which is provided with guide sleeve, which is provided with interconnection, the chamber of the cylinder body
Room bottom offers downwards through the first longitudinal direction channel of interconnection；Plunger assembly comprising be installed on cylinder interior center
It the inner piston rod at place and is sheathed on the inner piston rod and can be worn with respect to the plunger that inner piston rod moves up and down, the upper end
The guide sleeve is crossed to stretch out in outside the guide sleeve, which contacts with the chamber outer wall of cylinder body, and by the chamber of cylinder body
Room is separated into epicoele and cavity of resorption, and the plunger lower part is provided with the one-way conduction channel of perforation epicoele and cavity of resorption, the one-way conduction
The check-valves whether be connected for controlling one-way conduction channel is provided in channel；The inner piston rod, which has, runs through its upper and lower end face
Hollow channel, be formed with gap between the inner wall of sliding cavity in the inner piston rod outer wall and plunger；On the outside of the plunger inwardly
Offer the air flue of perforation sliding cavity；The inferior part of the cylinder block is provided with the perforation hollow channel and the second longitudinal direction of interconnection is logical
Road, and the inferior part of the cylinder block is additionally provided with the control valve arrangement for being used to open or closing the second longitudinal direction channel.
Furthermore, in above-mentioned technical proposal, original state, control valve arrangement closes the second longitudinal direction channel；It is described
After upper end is depressed by foreign object, the plunger slide downward, the check-valves is automatically opened, the one-way conduction channel conductive, cavity of resorption
Nitrogen pass through the one-way conduction channel flow into epicoele, when plunger is displaced downwardly to cavity of resorption bottom position, epicoele is equal with lower cavity pressure,
But the acting surface that the acting surface of the cavity of resorption is greater than epicoele after removing foreign object, will discharge the power and make so as to form bigger power
1mm is sprung back upwards at plunger, at this point, check-valves is automatically closed, due to the nitrogen volume expansion in cavity of resorption, and is caused under pressure
Drop, and the pressure of epicoele rises always, when force balance, plunger is slack, and nitrogen gas spring is totally stationary, reaches delay
Purpose, at this point, if the nitrogen of epicoele passes through the air flue on the outside of plunger, interior work after control valve arrangement opens the second longitudinal direction channel
The sliding cavity in gap, plunger, the hollow channel of inner piston rod, second longitudinal direction channel, interconnection between stopper rod and plunger,
One vertical passage makes plunger generate upward power, rebound to initial position to flow into cavity of resorption, and control valve arrangement is closed.
Furthermore, in above-mentioned technical proposal, the control valve arrangement includes being installed on the inferior part of the cylinder block and protruding into
The slide valve of interconnection and the air cylinder that spool control valve back-and-forth motion is coupled and be used for the slide valve, the air cylinder are external
Air-source.
Furthermore, cavity wall, which is slided, in above-mentioned technical proposal, in the plunger forms protrusion, the protrusion medial surface
It is provided with the first oil sealing and the first guide ring, first oil sealing and the first guide ring are contacted with the inner piston rod outer wall, in order
The gap is formed between piston rod and sliding cavity wall.
Furthermore, in above-mentioned technical proposal, the plunger lower outside is provided with the second oil sealing and the second guide ring,
Second oil sealing and the second guide ring are contacted with the chamber inner wall of the cylinder body.
Furthermore, in above-mentioned technical proposal, it is arranged between the chamber inner wall of the cylinder body on the outside of the guide sleeve
There are circlip and the first dust seal, the first O-ring.
Furthermore, in above-mentioned technical proposal, the 4th guide ring, third oil sealing and the are provided on the inside of the guide sleeve
Two dust seals, the 4th guide ring, third oil sealing and the second dust seal are in close contact with plunger.
Furthermore, in above-mentioned technical proposal, the cavity bottom of the cylinder body is provided in second longitudinal direction channel upper end
Stepped groove；The inner piston rod lower end forms stepped convex part and is installed in the stepped groove, and the stepped convex part and stepped groove it
Between be additionally provided with the 5th O-ring.
After adopting the above technical scheme, the utility model have the following beneficial effects: compared with prior art it is practical
It is novel in the initial state, control valve arrangement close the second longitudinal direction channel；After the upper end is depressed by foreign object, the plunger
Slide downward, the check-valves automatically open, the one-way conduction channel conductive, and the nitrogen of cavity of resorption is flowed into across the one-way conduction channel
Epicoele, when plunger is displaced downwardly to cavity of resorption bottom position, epicoele is equal with lower cavity pressure, but the acting surface of the cavity of resorption is greater than the work of epicoele
With face so as to form bigger power after removing foreign object, the power will be discharged and plunger is caused to spring back 1mm upwards, at this point, non-return
Valve is automatically closed, and due to the nitrogen volume expansion in cavity of resorption, and pressure is caused to decline, and the pressure of epicoele rises always, as
When with dynamic balance, plunger is slack, and nitrogen gas spring is totally stationary, reaches delay purpose, at this point, being somebody's turn to do if control valve arrangement is opened
Behind second longitudinal direction channel, cunning that the nitrogen of epicoele passes through gap, plunger between air flue, inner piston rod and the plunger on the outside of plunger
Dynamic chamber, the hollow channel of inner piston rod, second longitudinal direction channel, interconnection, first longitudinal direction channel produce plunger to flow into cavity of resorption
Raw upward power, rebound to initial position, control valve arrangement are closed, that is to say, that the utility model can reach control
Be delayed the purpose sprung back, solves the problems, such as the quick rebound of nitrogen gas spring, with the extremely strong market competitiveness.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model original state；
Fig. 2 is the structural schematic diagram of plunger slip-down state in the utility model；
Fig. 3 is structural schematic diagram when plunger is snapped down to bottom in the utility model (control valve arrangement is closed)；
Fig. 4 is structural schematic diagram when plunger is snapped down to bottom in the utility model (control valve arrangement is opened)；
Fig. 5 is the structural schematic diagram of rebound state in the utility model.
Specific embodiment:
The present invention will be further described with attached drawing combined with specific embodiments below.
As shown in Fig. 1-5, springing back nitrogen gas spring for a kind of novel controllable time delay includes: cylinder body 1,1 upper end of cylinder body setting
There is guide sleeve 2, which is provided with interconnection 11, and 12 bottom of chamber of the cylinder body 1 offers downwards through laterally logical
The first longitudinal direction channel 13 in road 11；Plunger assembly 3 comprising the inner piston rod 31 and set being installed at 1 inside center of cylinder body
On the inner piston rod 31 and the guide sleeve can be passed through with respect to the plunger 32 that inner piston rod 31 moves up and down, 32 upper end of plunger
2 to stretch out in outside the guide sleeve 2, which contacts with 12 outer wall of chamber of cylinder body 1, and by the chamber of cylinder body 1
12 are separated into epicoele 121 and cavity of resorption 122, and 32 lower part of plunger is provided with perforation epicoele 121 and the one-way conduction of cavity of resorption 122 is logical
The check-valves 322 whether be connected for controlling one-way conduction channel 321 be provided in the one-way conduction channel 321 for road 321；It should
Inner piston rod 31 has the hollow channel 311 through its upper and lower end face, sliding cavity 323 in 31 outer wall of inner piston rod and plunger 32
Inner wall between be formed with gap；32 outside of plunger inwardly offers the air flue 324 of perforation sliding cavity 323；The cylinder body 1
Lower part is provided with the second longitudinal direction channel 14 for penetrating through the hollow channel 311 and interconnection 11, and 1 lower part of cylinder body is additionally provided with
It is used to open or closes the control valve arrangement 4 in the second longitudinal direction channel 14.The utility model controls valve arrangement 4 in original state
Close the second longitudinal direction channel 14；After 32 upper end of plunger is depressed by foreign object, 32 slide downward of plunger, the check-valves 322
It automatically opening, the one-way conduction channel 321 conducting, the nitrogen of cavity of resorption 122 passes through the one-way conduction channel 321 and flows into epicoele 121,
When plunger 32 is displaced downwardly to 122 bottom position of cavity of resorption, epicoele 121 is equal with 122 pressure of cavity of resorption, but the acting surface of the cavity of resorption 122 is big
In the acting surface of epicoele 121, so as to form bigger power, after removing foreign object, the power will be discharged and cause plunger 32 back up
Play 1mm due to the nitrogen volume expansion in cavity of resorption 122, and causes pressure to decline at this point, check-valves 322 is automatically closed, and on
The pressure of chamber 121 rises always, and when force balance, plunger 32 is slack, and nitrogen gas spring is totally stationary, reaches delay mesh
, at this point, if the nitrogen of epicoele 121 passes through the air flue on the outside of plunger 32 behind the control opening of the valve arrangement 4 second longitudinal direction channel 14
324, the gap between inner piston rod 31 and plunger 32, the sliding cavity 323 of plunger 32, the hollow channel 311 of inner piston rod 31,
Two vertical passages 14, interconnection 11, first longitudinal direction channel 13 make plunger 32 generate upward power, plunger to flow into cavity of resorption 122
32 recoil to initial position, and control valve arrangement 4 is closed.
It is described control valve arrangement 4 include be installed on 1 lower part of cylinder body and protrude into interconnection 11 slide valve 41 and with
The slide valve 41 is coupled and for the air cylinder 42 that spool control valve 41 is moved forward and backward, the external air-source of air cylinder 42.The sky
When cylinder 42 drives slide valve 41 to move forward, which blocks the second longitudinal direction channel 14, and to reach, to close the second longitudinal direction logical
The purpose in road 14；When the air cylinder 42 driving slide valve 41 moves backward, which leaves the second longitudinal direction channel 14 to reach
Open the purpose in the second longitudinal direction channel 14.
323 inner wall of sliding cavity forms protrusion 325 in the plunger 32, which is provided with the first oil sealing
326 and first guide ring 327, first oil sealing 326 and the first guide ring 327 are contacted with 31 outer wall of inner piston rod, in order
The gap is formed between 323 inner wall of piston rod 31 and sliding cavity, and it is steady to can guarantee that plunger 32 is assembled with inner piston rod 31
Qualitative and airtightness, and guarantee that plunger 32 can be with respect to the smooth sliding of inner piston rod 31.
32 lower outside of plunger is provided with the second oil sealing 328 and the second guide ring 329, second oil sealing 328 and
Two guide rings 329 are contacted with 12 inner wall of chamber of the cylinder body 1, with this guarantee stability that plunger 32 and cylinder body 1 assemble and
Airtightness, and guarantee that plunger 32 being capable of the smooth sliding of opposing cylinder 1.
Be provided between 2 outside of the guide sleeve and 12 inner wall of chamber of the cylinder body 1 circlip 22 and the first dust seal 21,
First O-ring 26 guarantees the stability and airtightness that guide sleeve 2 and cylinder body 1 assemble with this.
The 4th guide ring 23, third oil sealing 24 and the second dust seal 25, the 4th guiding are provided on the inside of the guide sleeve 2
Ring 23, third oil sealing 24 and the second dust seal 25 are in close contact with plunger 32, guarantee what guide sleeve 2 and plunger 32 assembled with this
Stability and airtightness, and guarantee that plunger 32 can be oppositely oriented 2 smooth slidings of set.
12 bottom of chamber of the cylinder body 1 is provided with stepped groove 16 in 14 upper end of second longitudinal direction channel；The inner piston rod
31 lower ends form stepped convex part 310 and are installed in the stepped groove 16, and also set up between the stepped convex part 310 and stepped groove 16
There is the 5th O-ring 17.
In conclusion the utility model is in the initial state, control valve arrangement 4 closes the second longitudinal direction channel 14；It is described
After 32 upper end of plunger is depressed by foreign object, 32 slide downward of plunger, the check-valves 322 is automatically opened, the one-way conduction channel 321
Conducting, the nitrogen of cavity of resorption 122 passes through the one-way conduction channel 321 and flows into epicoele 121, when plunger 32 is displaced downwardly to 122 bottom of cavity of resorption
Position, epicoele 121 is equal with 122 pressure of cavity of resorption, but the acting surface of the cavity of resorption 122 is greater than the acting surface of epicoele 121, so as to form
Bigger power will discharge the power and cause the rebound 1mm upwards of plunger 32, at this point, check-valves 322 closes automatically after removing foreign object
It closes, due to the nitrogen volume expansion in cavity of resorption 122, and pressure is caused to decline, and the pressure of epicoele 121 rises always, works as effect
When dynamic balance, plunger 32 is slack, and nitrogen gas spring is totally stationary, reaches delay purpose, at this point, if control valve arrangement 4 is opened
Behind the second longitudinal direction channel 14, the nitrogen of epicoele 121 by air flue 324, inner piston rod 31 and the plunger 32 in 32 outside of plunger it
Between gap, the sliding cavity 323 of plunger 32, the hollow channel 311 of inner piston rod 31, second longitudinal direction channel 14, interconnection 11,
First longitudinal direction channel 13 makes plunger 32 generate upward power to flow into cavity of resorption 122, and plunger 32 recoils to initial position, control valve
Structure 4 is closed, that is to say, that the utility model can achieve the purpose that control delay rebound, solve the quick of nitrogen gas spring
Rebound problem, with the extremely strong market competitiveness.
It certainly, is not to limit the utility model and implement the foregoing is merely specific embodiment of the utility model
Range, all equivalent change or modifications done according to structure, feature and principle described in present utility model application the scope of the patents, should all wrap
It includes in present utility model application the scope of the patents.
Claims (8)
1. a kind of novel controllable time delay springs back nitrogen gas spring, it is characterised in that: comprising:
Cylinder body (1), cylinder body (1) upper end are provided with guide sleeve (2), which is provided with interconnection (11), the cylinder
Chamber (12) bottom of body (1) offers downwards through the first longitudinal direction channel (13) of interconnection (11)；
Plunger assembly (3) comprising the inner piston rod (31) that is installed at cylinder body (1) inside center and be sheathed on the inner piston
On bar (31) and the guide sleeve (2) can be passed through with respect to the plunger (32) that inner piston rod (31) move up and down, plunger (32) upper end
To stretch out in the guide sleeve (2) outside, which contacts with chamber (12) outer wall of cylinder body (1), and by cylinder body
(1) chamber (12) is separated into epicoele (121) and cavity of resorption (122), and plunger (32) lower part be provided with perforation epicoele (121) and
The one-way conduction channel (321) of cavity of resorption (122), the one-way conduction channel (321) is interior to be provided with for controlling one-way conduction channel
(321) check-valves (322) whether be connected；The inner piston rod (31) has the hollow channel (311) through its upper and lower end face, should
Gap is formed between the inner wall of sliding cavity (323) in inner piston rod (31) outer wall and plunger (32)；On the outside of the plunger (32)
Inwardly offer the air flue (324) of perforation sliding cavity (323)；
Cylinder body (1) lower part is provided with the second longitudinal direction channel (14) for penetrating through the hollow channel (311) and interconnection (11),
And cylinder body (1) lower part is additionally provided with the control valve arrangement (4) for being used to open or closing the second longitudinal direction channel (14).
2. a kind of novel controllable time delay according to claim 1 springs back nitrogen gas spring, it is characterised in that: original state, control
Valve arrangement (4) processed closes the second longitudinal direction channel (14)；After plunger (32) upper end is depressed by foreign object, the plunger (32) is downward
Sliding, the check-valves (322) automatically open, and the one-way conduction channel (321) conducting, it is unidirectional that the nitrogen of cavity of resorption (122) passes through this
Conductive channel (321) flows into epicoele (121), when plunger (32) is displaced downwardly to cavity of resorption (122) bottom position, epicoele (121) and cavity of resorption
(122) pressure is equal, but the acting surface of the cavity of resorption (122) is greater than the acting surface of epicoele (121), so as to form bigger power, when
After removing foreign object, the power will be discharged and plunger (32) is caused to spring back 1mm upwards, at this point, check-valves (322) is automatically closed, due to
Nitrogen volume expansion in cavity of resorption (122), and pressure is caused to decline, and the pressure of epicoele (121) rises always, when active force is flat
When weighing apparatus, plunger (32) is slack, and nitrogen gas spring is totally stationary, reaches delay purpose；At this point, if control valve arrangement (4) is opened
Behind the second longitudinal direction channel (14), the nitrogen of epicoele (121) passes through air flue (324), the inner piston rod (31) on the outside of plunger (32)
It is the sliding cavity (323) in gap, plunger (32) between plunger (32), the hollow channel (311) of inner piston rod (31), second vertical
To channel (14), interconnection (11), first longitudinal direction channel (13) to flow into cavity of resorption (122), generate plunger (32) upwards
Power, plunger (32) recoil to initial position, and control valve arrangement (4) is closed.
3. a kind of novel controllable time delay according to claim 1 or 2 springs back nitrogen gas spring, it is characterised in that: the control
Valve arrangement (4) include be installed on the cylinder body (1) lower part and protrude into interconnection (11) slide valve (41) and with the slide valve
(41) it is coupled and for the air cylinder (42) that spool control valve (41) are moved forward and backward, air cylinder (42) the external air-source.
4. a kind of novel controllable time delay according to claim 1 or 2 springs back nitrogen gas spring, it is characterised in that: the plunger
(32) sliding cavity (323) inner wall forms protrusion (325) in, which is provided with the first oil sealing (326) and
One guide ring (327), first oil sealing (326) and the first guide ring (327) are contacted with inner piston rod (31) outer wall, in order
The gap is formed between piston rod (31) and sliding cavity (323) inner wall.
5. a kind of novel controllable time delay according to claim 1 or 2 springs back nitrogen gas spring, it is characterised in that: the plunger
(32) lower outside is provided with the second oil sealing (328) and the second guide ring (329), second oil sealing (328) and the second guide ring
(329) it is contacted with chamber (12) inner wall of the cylinder body (1).
6. a kind of novel controllable time delay according to claim 1 or 2 springs back nitrogen gas spring, it is characterised in that: the guiding
Circlip (22) and the first dust seal (21), the first O are provided between chamber (12) inner wall of the cylinder body (1) on the outside of set (2)
Type circle (26).
7. a kind of novel controllable time delay according to claim 1 or 2 springs back nitrogen gas spring, it is characterised in that: the guiding
It covers and is provided with the 4th guide ring (23), third oil sealing (24) and the second dust seal (25) on the inside of (2), the 4th guide ring (23),
Third oil sealing (24) and the second dust seal (25) are in close contact with plunger (32).
8. a kind of novel controllable time delay according to claim 1 or 2 springs back nitrogen gas spring, it is characterised in that: the cylinder body
(1) chamber (12) bottom is provided with stepped groove (16) in second longitudinal direction channel (14) upper end；Inner piston rod (31) lower end
It forms stepped convex part (310) to be installed in the stepped groove (16), and is also set between the stepped convex part (310) and stepped groove (16)
It is equipped with the 5th O-ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821048252.1U CN208457088U (en) | 2018-06-29 | 2018-06-29 | A kind of novel controllable time delay rebound nitrogen gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821048252.1U CN208457088U (en) | 2018-06-29 | 2018-06-29 | A kind of novel controllable time delay rebound nitrogen gas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208457088U true CN208457088U (en) | 2019-02-01 |
Family
ID=65171544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821048252.1U Withdrawn - After Issue CN208457088U (en) | 2018-06-29 | 2018-06-29 | A kind of novel controllable time delay rebound nitrogen gas spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208457088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679142A (en) * | 2018-06-29 | 2018-10-19 | 东莞市博鼎精密机械制造有限公司 | A kind of novel controllable time delay rebound nitrogen gas spring |
| CN109882323A (en) * | 2019-02-22 | 2019-06-14 | 常熟理工学院 | A kind of the engine booster air interchanger and its control method of recyclable compressed air |
-
2018
- 2018-06-29 CN CN201821048252.1U patent/CN208457088U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679142A (en) * | 2018-06-29 | 2018-10-19 | 东莞市博鼎精密机械制造有限公司 | A kind of novel controllable time delay rebound nitrogen gas spring |
| CN109882323A (en) * | 2019-02-22 | 2019-06-14 | 常熟理工学院 | A kind of the engine booster air interchanger and its control method of recyclable compressed air |
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Granted publication date: 20190201 Effective date of abandoning: 20230721 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190201 Effective date of abandoning: 20230721 |
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| AV01 | Patent right actively abandoned |