CN104149903A - Stem folding and lock mechanism of Fold able vehicle - Google Patents
Stem folding and lock mechanism of Fold able vehicle Download PDFInfo
- Publication number
- CN104149903A CN104149903A CN201410374756.2A CN201410374756A CN104149903A CN 104149903 A CN104149903 A CN 104149903A CN 201410374756 A CN201410374756 A CN 201410374756A CN 104149903 A CN104149903 A CN 104149903A
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- shaft
- face
- briquetting
- handle
- mount pad
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Abstract
A stem folding and lock mechanism of a Fold able vehicle comprises a fixing sleeve, a fixing member, a press block, a mounting seat, an ejecting and pressing member, an ejecting pin and a drive component. The inner surface of the fixing sleeve is provided with a pressed surface, the fixing member is at least comprises a rotary shaft portion connected into the fixing sleeve in a penetrated manner, and a mounting clearance is formed between the outer surface of the the rotary shaft portion and the pressed surface; the press block is located in the mounting clearance and is capable of moving along the fixing member radially, and the outer surface of the press block is provided with an ejecting and pressing surface corresponding to the pressed surface; the mounting seat is fixed to the rotary shaft portion and is provided with an elongated hole; the ejecting and pressing member is connected to the rotary shaft portion immovably in a sleeved manner, and the edge of the ejecting and pressing member is provided with an outer conical surface; one end of the ejecting pin is fixed to the press block, and the other end penetrates the elongated hole to form a pressed portion matching with the outer conical surface; the drive component is used for driving the ejecting and pressing rod to rotate around the axis of the rotary shaft portion, and a locking component is arranged between the drive component and the fixing member. By the aid of the mechanism, the large external force is omitted, and the stem can be locked in folded and unfolded states.
Description
Technical field
The present invention relates to folded bicycle technical field, be specifically related to the vertical folding catch gear of a kind of Foldable handlebar.
Background technology
Folding bicycle, battery-driven car are with its portable characteristic, become gradually a kind of short distance traffic instrument of main flow, at present, it is all to adopt hinged mode to be arranged on front fork or vehicle frame that the handle of folded bicycle stands, it is in the time of folding, and needing will be vertical downwards or to both sides folding, vertical during in folding and deployed condition, all need to utilize latching device that itself and vehicle frame are fixed, make handle after folding vertical can not rock or guarantee in the time riding can normally use vertical.On current folded bicycle, normally adopt eccentric lockout mechanism to be fixed on folding state or deployed condition standing, taking current folding bicycle as example, the section part of vertical and front fork is adopted to pivot knuckles, one side of vertical and front fork section is fitted with to active pin shaft, a hinged quick detach spanner handle is vertical, front fork is held in active pin shaft one end, the other end is hinged in the rotating shaft of quick detach spanner, rotate quick detach spanner, lug boss top pressure handle on it is vertical, utilizes projection and active pin shaft combined action vertical and front fork will be fixed together.Although this structure can realize fixing vertical and front fork,, when it uses, comparatively inconvenience, concrete, must pay larger dynamics and pull quick detach spanner when locking.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide a kind of vertical folding catch gear of handle of folded bicycle, and it can be fixing vertical when vertical expansion or folding, and the dynamics used that is locked is little, easy to use.
For achieving the above object, the present invention adopts following technical scheme:
The vertical folding catch gear of handle of folded bicycle, comprises,
Fixed cover, its inside face forms a compression face;
Connecting element, it at least comprises that one is connected to the shaft in fixed cover, forms an assemblage gap between the outside face of shaft and compression face;
Be positioned at assemblage gap and can be along the briquetting moving radially of connecting element, the outside face of briquetting forms the top pressure surface corresponding with compression face;
Be fixed on the mount pad on shaft, on this mount pad, be provided with the radially consistent slotted hole of length direction and mount pad;
The movable top-pressure part on shaft, the male cone (strobilus masculinus) of end face edge formation that this top-pressure part is relative with mount pad of being socketed in;
Ejector pin, one end of this ejector pin is fixed with briquetting, the other end is passed and formed a compression zone coordinating with male cone (strobilus masculinus) by slotted hole;
And for driving the drive element of top-pressure part along the axial-movement of shaft, between this drive element and connecting element, be also provided with one for the two fixing locking member by it.
Shaft is the hollow part of an end opening, and drive element is the cross-under of the activity axle core in shaft, has the pipe link radially extending on axle core, and this pipe link is connected with top-pressure part through the hole of dodging on shaft.
Locking member forms by being opened in the external screw thread of axle core outer surface and being positioned at the internal screw thread that shaft inside face coordinates with external screw thread.
The outboard end that axle core passes shaft is connected with a buckle closure, and this buckle closure outside face is provided with rotating spanner.
On the mount pad end face relative with top-pressure part, offer one for dodging the recess of male cone (strobilus masculinus).
In assemblage gap, be equipped with multiple briquettings, the plurality of briquetting is uniformly distributed in the outer peripheral edges of connecting element, and the cross-sectional plane of briquetting is fan-shaped, and is equipped with a spherical or columniform abaculus between the adjacent fan-shaped hypotenuse of two briquettings.
Connecting element also comprises two contiguous blocks that are separately fixed at shaft two ends, and fixed cover is between two contiguous blocks.
On shaft, be provided with a stage portion and a jump ring, stage portion place is installed with a catch, on shaft, be fixed with a Connection Block that is positioned at fixed cover inside, assemblage gap is surrounded by outside face and the compression face of Connection Block, and Connection Block and mount pad are limited between catch and jump ring.
Beneficial effect of the present invention is:
In said structure of the present invention, by moving axially of top-pressure part, change moving radially of briquetting into, make the compression face in top pressure surface and the fixed cover on briquetting fit and compress, it is without paying larger external force, can realize the locking when standing in folded state or deployed condition; Meanwhile, the present invention can be installed in inner the vertical end that rotates, and can not affect the outward appearance of folded bicycle, meets the requirement small and exquisite, attractive in appearance of existing folded bicycle profile.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is axial cutaway view of the present invention;
Fig. 3 is the structural representation of Fastener in Fig. 1;
Fig. 4 is the schematic diagram that coordinates of mount pad and ejector pin in Fig. 1;
Fig. 5 is the A-A cutaway view of Fig. 2, describes a kind of use state of the present invention simultaneously;
Fig. 6 is the another kind of view that uses of the present invention;
Wherein: 10, connecting device; 11, fixed cover; 111, compression face; 21, contiguous block; 22, contiguous block; 23, shaft; 231, dodge hole; 232, stage portion; 233, jump ring; 234, catch; 30, axle core; 31, pipe link; 32, buckle closure; 33, rotating spanner; 40, top-pressure part; 41, male cone (strobilus masculinus); 42, draw-in groove; 50, mount pad; 51, recess; 52, slotted hole; 53, clamping face; 54, fitting surface; 60, Connection Block; 70, ejector pin; 80, briquetting; 801, top pressure surface; 81, abaculus.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the present invention is described further:
Referring to Fig. 1,2,3,4,5,6, the vertical folding catch gear of the handle of folded bicycle of the present invention comprise fixed cover 11, shaft 23, multiple briquetting 80, mount pad 50, top-pressure part 40, with briquetting 80 multiple ejector pins 70 and axle core 30 one to one, wherein the external stability of fixed cover 11 has a connecting device 10, this connecting device 10 will be for being fixedly connected with fixed cover 11 vertical, the inside face of fixed cover 11 forms a compression face 111, and this compression face 111 is surrounded on the periphery of shaft 23, shaft 23 is a part for the connecting element that is connected with front fork or vehicle frame, between the outside face of above-mentioned shaft 23 and compression face 111, form an annular assemblage gap, and, the central axes of vertical pivot center and shaft 23 with respect to front fork or vehicle frame, above-mentioned multiple briquettings 80 are embedded in assemblage gap and are uniformly distributed in the outer peripheral edges of shaft 23, and have shaft 23 in the radial direction motion degree of freedom, the outside face of briquetting 80 forms a top pressure surface 801 corresponding with compression face 111, above-mentioned compression face 111 and top pressure surface 801 can be to be processed to rough surface, when in the time that briquetting 80 radially outward moves, top pressure surface 801 contacts with compression face 111, can avoid fixed cover 11 and briquetting 80 relative motions, the two relatively rotates to prevent it.It can also be the Connection Block 60 that is positioned at fixed cover 11 in the external stability one of above-mentioned shaft 23, above-mentioned assemblage gap is surrounded by the outside face of Connection Block 60 and compression face 111, briquetting 80 is placed between Connection Block 60 and compression face 111, be the equal of to have increased the diameter of shaft 23 with compression face 111 corresponding positions by Connection Block 60, briquetting 80 is as stop component, its thickness can utilize the radius of Connection Block 60 to offset, thus can so that above-mentioned briquetting 80 set installation.
Being socketed on shaft 23 of top-pressure part 40 activities, the end face that this top-pressure part 40 is relative with mount pad 50 forms a male cone (strobilus masculinus) 41, mount pad 50 is fixed on shaft 23, on this mount pad 50, be provided with along the multiple slotted holes 52 of its circumferencial direction well-distributed, the length direction of slotted hole 52 is radially consistent with mount pad 50, the plurality of slotted hole 52 is corresponding one by one with briquetting 80, ejector pin 70 is respectively by equipped, concrete corresponding briquetting 80 and slotted hole 52, and the fixing cross-under in one end of ejector pin 70 is on briquetting 80, its other end is through slotted hole 52 and form a compression zone, and this compression zone is connected on male cone (strobilus masculinus) 41, axle core 30 is for pulling the axle upward movement of top-pressure part 40 at shaft 23, in the time that axle core 30 drives top-pressure part 40 to move towards the direction of close mount pad 50, male cone (strobilus masculinus) 41 pushes up the compression zone of the pin 70 that bears down on one, make ejector pin 70 along the length of slotted hole 52 towards movement outside, thereby drive the top pressure surface 801 of briquetting 80 to move towards the direction near compression face 111, otherwise, axle core 30 drives top-pressure part 40 when moving away from the direction of mount pad 50, the top pressure surface 801 of briquetting 80 is towards moving away from the direction of compression face 111, that is to say, above-mentioned male cone (strobilus masculinus) 41 coordinates with the compression zone of ejector pin 70, can change moving axially of top-pressure part 40 into each briquetting 80 move radially.
Above-mentioned shaft 23 is the hollow part of an end opening, the cross-under of axle core 30 activities is in shaft 23, on axle core 30, there is the pipe link 31 radially extending along it, on shaft 23, be provided with and dodge hole 231, pipe link 31 extend in draw-in groove default on top-pressure part 40 42 through dodging hole 231, that is to say, utilize pipe link 31 that axle core 30 is linked together, make the top-pressure part 40 can be along with axle core 30 moving axially along shaft 23; In addition, outside face at above-mentioned axle core 30 also offers external screw thread, the inside face of shaft 23 offers the internal screw thread coordinating with it, rotating shaft core 30, can realize axle core 30 moving axially with respect to shaft 23, axle core 30 can also be locked in to its final mobile position, thereby make top-pressure part 40 remain on relevant position, in such cases, can realize the locking of briquetting 80 positions, lock briquetting 80, make the top pressure surface 801 on briquetting 80 keep compressing with compression face 111, thereby briquetting 80 and fixed cover 11 are locked.
In such scheme of the present invention, shaft 23 and be fixed on its two ends contiguous block 21, contiguous block 22 forms connecting element, connecting element is fixedly connected with front fork or the vehicle frame of folded bicycle, fixed cover 11 is to be connected with the folding device of folded bicycle by connecting device 10, when will be vertical while turning to relevant position, be rotated in the forward axle core 30, drive each ejector pin 70 outwards to move along the length direction of slotted hole 52, thereby drive each briquetting 80 outwards to move, after the top pressure surface 801 on briquetting 80 fully contacts with the compression face 111 on fixed cover 11, axle core 30 stops the rotation, now, be not subject under any external force, due to the locking of internal screw thread and external screw thread, make to produce certain pressure between top pressure surface 801 and compression face 111, simultaneously, ejector pin 70 has limited the rotate degree of freedom of axial region 23 circumferencial directions motions of briquetting 80, therefore, can not rotate with respect to briquetting 80 at fixed cover 11 in such cases, thereby will lock with front fork or vehicle frame vertical, this locking is not only applicable to vertical in folding state, be equally applicable to the deployed condition of normally riding in burst vertical.When needs unclamp immediately, contrarotation axle core 30, compression face 111 unclamps with top pressure surface 801, makes briquetting 80 upwards have certain degree of freedom in the footpath of shaft 23.
Certainly, the locking mechanism of above-mentioned employing external screw thread and internal screw thread lock shaft core 30 and shaft 23 can be also to adopt other locking members to substitute, as long as it can be locked in axially movable axle core 30 on shaft 23, can certainly be that axle core 30 is locked in to contiguous block 21 or contiguous block 22.Above-mentioned axle core 30 is as driving the axially movable parts of top-pressure part 40, and it also can adopt other can drive the axially movable parts of top-pressure part 40 to substitute.
For the ease of operation, the outboard end that passes shaft 23 at above-mentioned axle core 30 is connected with a buckle closure 32, and the outside face of this buckle closure 32 is provided with a rotating spanner 33, when operation, and rotation rotating spanner 33.
On mount pad 50 end face relative with top-pressure part 40, offer a recess 51 of dodging male cone (strobilus masculinus) 41, the other end of mount pad 50 forms a fitting surface 54 of fitting with Connection Block 60, forms a clamping face 53 in the bottom of recess 51.The circumferential surface of recess 51 forms an inner conical surface coordinating with male cone (strobilus masculinus) 41, so, in the time that top-pressure part 40 moves towards mount pad 50, it can first push up the pin 70 that bears down on one, 50 of mount pads can not interfered top-pressure part 40, meanwhile, utilize recess 51 to dodge top-pressure part 40, also can reduce fully the axial dimension of total, make total meet that existing folding car structure is small and exquisite, the requirement of good looking appearance.
For fear of stressed excessive, make briquetting 80 drive ejector pin 70 to rotate to make ejector pin 70 that the phenomenon of bending occur, above-mentioned briquetting 80 is set to cross-sectional plane and is fan-shaped structure, between adjacent two briquettings 80, be provided with a spherical or columniform abaculus 81, concrete, abaculus 81 is between the fan-shaped hypotenuse of two briquettings 80.
On shaft 23, be also provided with a stage portion 232 and one and stage portion 232 tool jump ring 233 at regular intervals, jump ring 233 tops are pressed on above-mentioned clamping face 53, the outside of shaft 23 is also provided with a catch 234 that is positioned at stage portion 232 places, above-mentioned Connection Block 60 and mount pad 50 are fixed between catch 234 and jump ring 233 by clamping, and this structure can facilitate installation to greatest extent.
In said structure of the present invention, by moving axially of top-pressure part 40, change moving radially of briquetting 80 into, make the top pressure surface 801 on briquetting 80 fit and compress with the compression face 111 in fixed cover 11, it is without paying larger external force, can realize the locking when standing in folded state or deployed condition; Meanwhile, the present invention can be installed in inner the vertical end that rotates, and can not affect the outward appearance of folded bicycle, meets the requirement small and exquisite, attractive in appearance of existing folded bicycle profile.
To one skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and deformation, and within these all changes and deformation all should belong to the protection domain of the claims in the present invention.
Claims (8)
1. the vertical folding catch gear of the handle of folded bicycle, is characterized in that, comprise,
Fixed cover, its inside face forms a compression face;
Connecting element, it at least comprises that one is connected to the shaft in fixed cover, forms an assemblage gap between the outside face of shaft and compression face;
Be positioned at assemblage gap and can be along the briquetting moving radially of connecting element, the outside face of briquetting forms the top pressure surface corresponding with compression face;
Be fixed on the mount pad on shaft, on this mount pad, be provided with the radially consistent slotted hole of length direction and mount pad;
The movable top-pressure part on shaft, the male cone (strobilus masculinus) of end face edge formation that this top-pressure part is relative with mount pad of being socketed in;
Ejector pin, one end of this ejector pin is fixed with briquetting, the other end is passed and formed a compression zone coordinating with male cone (strobilus masculinus) by slotted hole;
And for driving the drive element of top-pressure part along the axial-movement of shaft, between this drive element and connecting element, be also provided with one for the two fixing locking member by it.
2. the vertical folding catch gear of the handle of folded bicycle as claimed in claim 1, it is characterized in that, shaft is the hollow part of an end opening, drive element is the cross-under of the activity axle core in shaft, on axle core, have the pipe link radially extending, this pipe link is connected with top-pressure part through the hole of dodging on shaft.
3. the vertical folding catch gear of the handle of folded bicycle as claimed in claim 2, is characterized in that, locking member forms by being opened in the external screw thread of axle core outer surface and being positioned at the internal screw thread that shaft inside face coordinates with external screw thread.
4. the vertical folding catch gear of the handle of folded bicycle as claimed in claim 3, is characterized in that, the outboard end that axle core passes shaft is connected with a buckle closure, and this buckle closure outside face is provided with rotating spanner.
5. the vertical folding catch gear of the handle of folded bicycle as claimed in claim 1, is characterized in that, on the mount pad end face relative with top-pressure part, offers one for dodging the recess of male cone (strobilus masculinus).
6. the vertical folding catch gear of the handle of folded bicycle as claimed in claim 1, it is characterized in that, in assemblage gap, be equipped with multiple briquettings, the plurality of briquetting is uniformly distributed in the outer peripheral edges of connecting element, the cross-sectional plane of briquetting is fan-shaped, and is equipped with a spherical or columniform abaculus between the adjacent fan-shaped hypotenuse of two briquettings.
7. the vertical folding catch gear of the handle of folded bicycle as claimed in claim 1, is characterized in that, connecting element also comprises two contiguous blocks that are separately fixed at shaft two ends, and fixed cover is between two contiguous blocks.
8. the vertical folding catch gear of the handle of folded bicycle as claimed in claim 1, it is characterized in that, on shaft, be provided with a stage portion and a jump ring, stage portion place is installed with a catch, on shaft, be fixed with a Connection Block that is positioned at fixed cover inside, assemblage gap is surrounded by outside face and the compression face of Connection Block, and Connection Block and mount pad are limited between catch and jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374756.2A CN104149903A (en) | 2014-07-31 | 2014-07-31 | Stem folding and lock mechanism of Fold able vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374756.2A CN104149903A (en) | 2014-07-31 | 2014-07-31 | Stem folding and lock mechanism of Fold able vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104149903A true CN104149903A (en) | 2014-11-19 |
Family
ID=51875584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410374756.2A Pending CN104149903A (en) | 2014-07-31 | 2014-07-31 | Stem folding and lock mechanism of Fold able vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104149903A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842354A (en) * | 2015-04-10 | 2015-08-19 | 博艳萍 | Rotating adjusting type mechanical lock block mechanism |
| WO2016015294A1 (en) * | 2014-07-31 | 2016-02-04 | 广州市锦宏机电科技发展有限公司 | Folding and locking mechanism for handlebars of foldable bicycle |
| CN110304189A (en) * | 2019-07-15 | 2019-10-08 | 广东麦斯卡体育股份有限公司 | A kind of hand handle with detachable mounting base |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433852A (en) * | 1981-02-12 | 1984-02-28 | Hon Corporation | Foldable and portable vehicle |
| JP2002173073A (en) * | 2000-12-07 | 2002-06-18 | Honda Motor Co Ltd | Steering device and method for folding it |
| US20030033900A1 (en) * | 2001-08-17 | 2003-02-20 | Yu-Hsueh Chu | Least volume of folding handle bar for bicycle |
| CN202138483U (en) * | 2011-06-24 | 2012-02-08 | 广州凯路仕体育科技有限公司 | Folding joint with automatic safety device |
| CN102485582A (en) * | 2010-12-06 | 2012-06-06 | 胡小龙 | Novel rotary folding handlebar |
| CN202783576U (en) * | 2012-07-19 | 2013-03-13 | 永祺(常州)车业有限公司 | Foldable bicycle center shaft |
| CN103921879A (en) * | 2013-01-12 | 2014-07-16 | 刘岗 | Rotary positioning quick-folding mechanism |
-
2014
- 2014-07-31 CN CN201410374756.2A patent/CN104149903A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433852A (en) * | 1981-02-12 | 1984-02-28 | Hon Corporation | Foldable and portable vehicle |
| JP2002173073A (en) * | 2000-12-07 | 2002-06-18 | Honda Motor Co Ltd | Steering device and method for folding it |
| US20030033900A1 (en) * | 2001-08-17 | 2003-02-20 | Yu-Hsueh Chu | Least volume of folding handle bar for bicycle |
| CN102485582A (en) * | 2010-12-06 | 2012-06-06 | 胡小龙 | Novel rotary folding handlebar |
| CN202138483U (en) * | 2011-06-24 | 2012-02-08 | 广州凯路仕体育科技有限公司 | Folding joint with automatic safety device |
| CN202783576U (en) * | 2012-07-19 | 2013-03-13 | 永祺(常州)车业有限公司 | Foldable bicycle center shaft |
| CN103921879A (en) * | 2013-01-12 | 2014-07-16 | 刘岗 | Rotary positioning quick-folding mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015294A1 (en) * | 2014-07-31 | 2016-02-04 | 广州市锦宏机电科技发展有限公司 | Folding and locking mechanism for handlebars of foldable bicycle |
| CN104842354A (en) * | 2015-04-10 | 2015-08-19 | 博艳萍 | Rotating adjusting type mechanical lock block mechanism |
| CN110304189A (en) * | 2019-07-15 | 2019-10-08 | 广东麦斯卡体育股份有限公司 | A kind of hand handle with detachable mounting base |
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Effective date of abandoning: 20170510 |