CN211568201U - Folding self-locking structure and bicycle - Google Patents
Folding self-locking structure and bicycle Download PDFInfo
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- CN211568201U CN211568201U CN201922307063.2U CN201922307063U CN211568201U CN 211568201 U CN211568201 U CN 211568201U CN 201922307063 U CN201922307063 U CN 201922307063U CN 211568201 U CN211568201 U CN 211568201U
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Abstract
The utility model relates to the field of bicycle folding, in particular to a folding self-locking structure, which comprises a rotating base, a folding positioning lock rod, a main beam frame connecting seat connected with a main beam frame, a seat vertical pipe connecting and rotating device arranged between the rotating base and the main beam frame connecting seat and a rear wheel folding quick-release handle arranged on the seat vertical pipe; the rotating base is rotatably arranged at the bottom of the main beam frame connecting seat, the folding positioning lock rod is arranged on the main beam frame connecting seat, and the rotating seat vertical pipe is connected with the rotating device for positioning; be equipped with the folding quick detach hand (hold) of rear wheel on the girder construction respectively and reset recess and locking piece seat, the mobilizable block of the folding quick detach hand (hold) of rear wheel is on the locking piece seat, the utility model discloses a folding auto-lock structure, after rotating base turned angle, can fix the auto-lock fast to seat riser connection rotary device through folding positioning lock pole, avoid seat riser connection rotary device to rotate once more to it is spacing to connect rotary device to the seat riser.
Description
Technical Field
The utility model discloses the folding field of bicycle, more specifically relates to a folding auto-lock structure and bicycle.
Background
The bicycle is a green and environment-friendly transportation tool commonly used by people in daily life, and when the bicycle is used, power is provided by utilizing manpower pedals to advance forwards, so that the time required by people for going out is saved, and great convenience is brought to people for living and going out.
In order to save storage space, a part of bicycles are arranged in a foldable mode at present, the bicycles can be conveniently stored by folding the bicycles, and can enter an elevator or a subway, so that the bicycles are simple and convenient.
Therefore, it is necessary to provide a foldable self-locking structure and a bicycle that can solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art at least one defect (not enough), provide a folding auto-lock structure and bicycle.
In order to solve the technical problem, the technical scheme of the utility model as follows: a folding self-locking structure comprises a rotary base, a folding positioning lock rod, a main beam frame connecting seat connected with a main beam frame, a seat vertical pipe connecting and rotating device arranged between the rotary base and the main beam frame connecting seat, and a rear wheel folding quick-release handle arranged on the seat vertical pipe;
the rotating base is rotatably arranged at the bottom of the main beam frame connecting seat, the folding positioning lock rod is arranged on the main beam frame connecting seat, and the rotating seat vertical pipe is connected with the rotating device for positioning;
the folding quick detach hand (hold) of rear wheel resets recess and locking piece seat on the girder structure respectively, the mobilizable block of folding quick detach hand (hold) of rear wheel is on the locking piece seat, after rotating base turned angle, can fix the auto-lock to seat riser connection rotary device fast through folding positioning lock pole, avoids seat riser connection rotary device to rotate once more to it is spacing to connect rotary device to the seat riser.
Further, the seat vertical pipe connecting and rotating device comprises a rotating shaft fixing and mounting sleeve arranged on the main beam frame connecting seat and a rotating shaft arranged on the rotating base;
the rotating shaft and the rotating shaft fixed mounting sleeve are respectively provided with a lock hole matched with the folding positioning lock rod;
the rotation axis cover is established in the rotation axis fixed mounting cover on the girder frame connecting seat, through the setting of rotation axis fixed mounting cover and rotation axis, rotating base can rotate on the girder frame connecting seat as required, and when needs locking, folding positioning lock pole only need inject the rotation axis simultaneously and can be fixed to seat riser connection rotary device auto-lock in the keyhole on the rotation axis fixed mounting cover.
Furthermore, the folding positioning lock rod spring also comprises a manual pull rod and a folding positioning lock rod spring;
the bottom of the main beam frame connecting seat is provided with a connecting hole;
the folding positioning lock rod spring is arranged on the folding positioning lock rod, the manual pull rod is connected with the folding positioning lock rod, after the rotating shaft rotates, the lock hole in the rotating shaft is overlapped with the lock hole in the rotating shaft fixed mounting sleeve, the folding positioning lock rod is inserted into the lock hole in the rotating shaft under the action of the folding positioning lock rod spring, and the rotating shaft after rotating is fixed.
Furthermore, still including setting up the folding positioner of seat riser on rotating base, the seat riser passes through the folding positioner of seat riser and sets up on rotating base, through the setting of the folding positioner of seat riser, can fix a position the seat riser after the rotation, prevents to rotate the seat riser after targetting in place and takes place to rotate, owing to carry out folding control to the seat riser, is convenient for further reduce the volume of folding back bicycle.
Furthermore, the seat riser folding and positioning device comprises a limiting pin, a folding and positioning arm, a return spring, a hollow connecting sleeve rod arranged on the seat riser and a rotary hollow rod arranged on the rotary base;
the hollow connecting sleeve rod is sleeved in the rotary hollow rod;
the hollow connecting sleeve rod is provided with a clamping groove, the limiting pin is arranged in the clamping groove, and the rotary hollow rod is provided with a limiting screw matched with the limiting pin;
the bottom of the seat vertical pipe is provided with a folding limit key, the folding locating arm is sleeved on the folding limit key through a reset spring, when the seat vertical pipe rotates downwards and is folded in place, the folding locating arm locks the hollow connecting sleeve rod and the rotary hollow rod, because the hollow connecting sleeve rod is provided with a clamping groove and the rotary hollow rod is provided with a limit screw, the rotary hollow rod can rotate upwards on the hollow connecting sleeve rod and cannot be pulled out, in addition, the limiting pin is arranged in the clamping groove and can be used for being matched with the limit screw to control the angle range of rotation, when the seat vertical pipe rotates in place, the anti-rotation locating holes on the hollow connecting sleeve rod and the rotary hollow rod are superposed, when the seat vertical pipe rotates downwards and is folded in place, the folding locating arm locks the hollow connecting sleeve rod and the rotary hollow rod, because the seat riser is connected with the rotating base through the hollow connecting sleeve rod and the rotating hollow rod, when the seat riser rotates downwards to the folding limit key and touches the blocking position on the rotating hollow rod, the folding positioning arm is triggered to position and lock the rotating hollow rod and the hollow connecting sleeve rod, thereby forming a fixed structure.
Furthermore, the hollow connecting sleeve rod and the rotary hollow rod are respectively provided with an anti-rotation positioning hole, the anti-rotation positioning holes are matched with the size of the folding positioning arms, the anti-rotation positioning holes are formed in the hollow connecting sleeve rod and the rotary hollow rod, when the seat vertical pipe is rotated downwards to be in place and touched to be blocked, the folding positioning arms are just aligned with the anti-rotation positioning holes, and the folding positioning arms are triggered and then inserted into the anti-rotation positioning holes, so that the rotary hollow rod and the hollow connecting sleeve rod are positioned and locked.
Furthermore, the locking device also comprises a locking block connecting rod and a locking block matched with the locking block seat, one end of the locking block connecting rod is connected with the rear wheel folding quick-release handle, the other end of the locking block connecting rod is connected with the locking block, and the locking block connecting rod and the locking block arranged on the rear wheel folding quick-release handle can be used for positioning and locking the locking block seat on the main beam frame so as to form a fixed state.
Furthermore, the locking device further comprises a locking buckle matched with the reset groove of the rear wheel folding quick-release handle, wherein a locking lockhole is formed in the rear wheel folding quick-release handle, and the locking buckle is matched with the locking lockhole in the rear wheel folding quick-release handle.
Furthermore, the anti-loosening lock catch comprises a round-head movable buckle, a torsion spring and an anti-loosening fixed seat;
one end of the round head movable buckle is slidably sleeved in the anti-loosening lock hole, and the other end of the round head movable buckle is connected with the anti-loosening fixed seat;
the torsion spring is wound between the round head movable buckle and the anti-loosening fixed seat to form a whole.
The utility model discloses in, still disclose a bicycle of using this folding auto-lock structure, including trailing arm support and the rear wheel of setting on the trailing arm support, folding auto-lock structure's girder construction connecting seat is connected with the girder structure, and rotating base is connected with the trailing arm support.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
(1) the utility model discloses a folding auto-lock structure, after rotating base turned angle, can be fast to seat riser connection rotary device fix the auto-lock through folding positioning lock pole, avoid seat riser connection rotary device to rotate once more to connect rotary device to the seat riser and carry on spacingly.
(2) The utility model discloses a folding auto-lock structure, through the setting of rotation axis fixed mounting cover and rotation axis, rotating base can rotate on the girder structure connecting seat as required, and when needs locking, folding positioning lock pole only needs to inject simultaneously in the lockhole on rotation axis and the rotation axis fixed mounting cover can be fixed to the seat riser connection rotary device auto-lock.
(3) The utility model discloses a folding self-locking structure, when the seat vertical pipe rotates downwards and folds to the right place, the folding positioning arm locks the hollow connecting sleeve rod and the rotary hollow rod, because the hollow connecting sleeve rod is provided with a clamping groove, the rotary hollow rod is provided with a limit screw, therefore, the rotary hollow rod can rotate on the hollow connecting sleeve rod and can not be pulled out, in addition, the limit pin is arranged in the clamping groove, the folding positioning arm can be used for matching with the limit screw to control the angle range of the rotation, when the seat vertical pipe rotates to the right place, the anti-rotation positioning hole on the hollow connecting sleeve rod and the rotary hollow rod coincide, when the seat vertical pipe rotates downwards and folds to the right place, the folding positioning arm locks the hollow connecting sleeve rod and the rotary hollow rod, because the seat vertical pipe is connected with the rotary hollow rod through the hollow connecting sleeve rod and the rotary hollow rod, when the seat vertical pipe rotates downwards to the folding limiting key and touches the rotary hollow rod to, the folding positioning arm is triggered to position and lock the rotating hollow rod and the hollow connecting sleeve rod, so that a fixing structure is formed.
Drawings
Fig. 1 is a schematic structural view of a folding structure of the middle and rear wheels of the present invention.
Fig. 2 is a schematic structural view of the middle and rear wheel folding structure of the present invention after being disassembled.
Fig. 3 is a schematic structural view of the middle and rear wheel folding structure of the present invention taken apart at another angle.
Fig. 4 is a schematic structural view of the folding structure of the middle and rear wheels at another angle.
Fig. 5 is a schematic structural view of the utility model after the folding structure of the middle and rear wheels is disassembled.
Fig. 6 is a schematic structural view of the hollow connecting sleeve rod of the utility model with a hollow rotating rod sleeve.
Fig. 7 is a schematic structural view of the hollow connecting loop bar of the present invention.
Fig. 8 is a schematic structural view of the bicycle of the present invention when it is unfolded.
Fig. 9 is a schematic structural view of the bicycle of the present invention when folded.
In the figure, 1 is a rotary base, 2 is a folding positioning lock rod, 3 is a main beam frame, 4 is a main beam frame connecting seat, 5 is a seat vertical tube connecting and rotating device, 6 is a seat vertical tube, 7 is a rear wheel folding and quick-dismantling handle, 8 is a rear wheel folding and quick-dismantling handle resetting groove, 9 is a locking block seat, 10 is a rotary shaft fixing and mounting sleeve, 11 is a rotary shaft, 12 is a rotary bearing, 13 is a lock hole, 14 is a limit pin, 15 is a folding positioning arm, 16 is an anti-loosening fixing seat, 17 is a hollow connecting sleeve rod, 18 is a rotary hollow rod, 19 is a clamping groove, 20 is a limiting screw, 21 is a folding limiting key, 22 is a locking block connecting rod, 23 is a locking block, 24 is a locking buckle, 25 is a locking lockhole, 26 is a round-head movable buckle, 27 is a manual pull rod, 28 is a communication hole, 29 is a seat vertical pipe folding positioning device, 30 is an anti-rotation positioning hole, 31 is a rear arm support, and 32 is a rear wheel.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
As shown in fig. 1, a rear wheel folding structure comprises a rotary base 1, a folding positioning lock rod 2, a main beam frame connecting seat 4 connected with a main beam frame 3, a seat vertical pipe connecting and rotating device 5 arranged between the rotary base 1 and the main beam frame connecting seat 4, and a rear wheel folding quick-release handle 7 arranged on a seat vertical pipe 6; the rotary base 1 is rotatably arranged at the bottom of a main beam frame connecting seat 4, the folding positioning lock rod 2 is arranged on the main beam frame connecting seat 4, and a seat vertical pipe after rotation is connected with a rotating device 5 for positioning; be equipped with the folding quick detach hand (hold) of rear wheel on the girder structure 3 and reset recess 8 and locking piece seat 9 respectively, the mobilizable block of the folding quick detach hand (hold) of rear wheel 7 is on locking piece seat 9, after rotating base 1 is for 4 turned angle of girder structure connecting seat, can connect rotary device to the seat riser fast through folding location locking lever and fix the auto-lock, avoid the seat riser to connect rotary device and rotate once more, thereby connect rotary device to the seat riser and carry out spacingly, at this moment, the rear wheel is folding the collection in girder structure bottom after folding, overlap with the front wheel and place it, can all collect front wheel and rear wheel in the girder structure below simultaneously like this, consequently can effectual volume after the shrink, and is simple and practical.
As shown in fig. 2, the seat riser connection rotating device 5 comprises a rotating shaft fixing and mounting sleeve 10 arranged on the main beam frame connecting seat 4 and a rotating shaft 11 arranged on the rotating base 1; a rotary bearing 12 is arranged on the rotary shaft, and a lock hole 13 matched with the folding positioning lock rod 2 is arranged on the rotary shaft 11 and the rotary shaft fixing mounting sleeve 10; the rotating shaft 11 is sleeved in the rotating shaft fixing and mounting sleeve 10 on the main beam frame connecting seat 4, and the rotating base can rotate on the main beam frame connecting seat as required through the arrangement of the rotating shaft fixing and mounting sleeve and the rotating shaft.
3-4, a manual pull rod 27 and a folding positioning lock rod spring; the bottom of the connecting seat of the main beam frame is provided with a connecting hole 28; folding positioning lock pole spring setting is on folding positioning lock pole 2, manual pull rod 27 is connected with folding positioning lock pole 2, in addition, still including setting up seat riser folding positioner 29 on rotating base 1, seat riser 6 sets up on rotating base 1 through seat riser folding positioner 29, setting through seat riser folding positioner, can fix a position the seat riser after the rotation, prevent to rotate the seat riser after targetting in place and take place to rotate, owing to carry out folding control to the seat riser, be convenient for further reduce the volume of folding bicycle.
As shown in fig. 5-7, the seat riser folding and positioning device 29 comprises a limit pin 14, a folding and positioning arm 15, a return spring, a hollow connecting sleeve rod 17 arranged on the seat riser 6 and a rotary hollow rod 18 arranged on the rotary base 1; the hollow connecting sleeve rod 17 is sleeved in the rotary hollow rod 18; the hollow connecting loop bar 17 is provided with a clamping groove 19, the limiting pin 14 is arranged in the clamping groove 19, and the rotary hollow bar 18 is provided with a limiting screw 20 matched with the limiting pin; the bottom of the seat vertical pipe is provided with a folding limit key 21, a folding positioning arm 15 is sleeved on the folding limit key 21 through a reset spring, when the seat vertical pipe rotates downwards to be folded in place, the folding positioning arm locks a hollow connecting sleeve rod and a rotary hollow rod, because the seat vertical pipe is connected with a rotary base through the hollow connecting sleeve rod and the rotary hollow rod, when the seat vertical pipe rotates downwards to touch a stop position on the folding limit key and the rotary hollow rod, the folding positioning arm is triggered to position and lock the rotary hollow rod and the hollow connecting sleeve rod, thereby forming a fixed structure, wherein the hollow connecting sleeve rod and the rotary hollow rod are both provided with anti-rotation positioning holes, the anti-rotation positioning holes are matched with the size of the folding positioning arm, and when the seat vertical pipe rotates downwards to touch the stop position, the folding positioning arm just aligns with the anti-rotation positioning holes, the folding positioning arm is inserted into the anti-rotation positioning hole after being triggered, thereby positioning and locking a rotary hollow rod and a hollow connecting sleeve rod, in addition, the folding positioning arm also comprises a locking block connecting rod 22 and a locking block 23 matched with a locking block seat 9, one end of the locking block connecting rod is connected with a rear wheel folding quick-release handle, the other end is connected with the locking block, the locking block connecting rod and the locking block arranged on the rear wheel folding quick-release handle can be used for positioning and locking with the locking block seat on a main beam frame, thereby forming a fixed state, in addition, the folding quick-release handle also comprises a locking buckle 24 matched with a rear wheel folding quick-release handle reset groove 8 on the main beam frame 3, the rear wheel folding quick-release handle is provided with a locking hole 25, the locking buckle 24 is arranged on a rear wheel folding quick-release handle reset groove on the main beam frame 1, the locking hole is arranged on the rear wheel folding quick-release, the round-head movable buckle and the anti-loosening lock hole which are arranged on the rear wheel folding quick-release handle reset groove of the main beam frame are subjected to automatic alignment self-locking to prevent back-locking and tripping, wherein the anti-loosening lock catch 24 comprises a round-head movable buckle 26, a torsion spring and an anti-loosening fixed seat 16 matched with the rear wheel folding quick-release handle reset groove; one end of the round head movable buckle is slidably sleeved in the anti-loosening lock hole, and the other end of the round head movable buckle is connected with the anti-loosening fixed seat; the torsional spring is around establishing and buckling and becoming integrative between locking fixing base at the button head activity, because locking fixing base is with the folding quick detach hand (hold) of rear wheel groove phase-match that resets, when pushing away the button head activity and detaining, the torsional spring bullet is opened, and the button head activity of locking fixing base is detained and is broken away from with the locking lockhole of the folding quick detach hand (hold) of rear wheel this moment, breaks off the folding quick detach hand (hold) of rear wheel again and rotates, and the folding quick detach hand (hold) of rear wheel can rotate the.
Examples
As shown in fig. 8-9, the utility model discloses a bicycle with folding auto-lock structure, including trailing arm support 31 and the rear wheel 32 of setting on trailing arm support 31, the main beam frame connecting seat of folding auto-lock structure is connected with the main beam frame, and rotating base is connected with the trailing arm support.
When the bicycle needs to be folded after being used, the round-head movable buckle is pushed open only, so that the rear wheel folding quick-release handle is separated from the round-head movable buckle, at the moment, the rear wheel folding quick-release handle is rotated, the locking block is separated from the locking block seat on the main beam frame, the unlocking of the rear wheel folding quick-release handle is completed, when the rear wheel is rotated forwards, the rotating shaft fixing and mounting sleeve is taken as the central point of the central shaft, the seat vertical pipe and the rotating base are driven to rotate and fold towards the front radius part by the circumferential track line, at the moment, the rotating base and the related connected components rotate in the rotating shaft fixing and mounting sleeve, the rotating direction of the connected related components of the seat vertical pipe and the unfolding static direction are unchanged, meanwhile, the rotating hollow rod also rotates on the hollow connecting sleeve rod, as the limiting pin is arranged on the clamping groove of the hollow connecting sleeve rod, the limiting screw is, rotatory hollow pole rotates the position, at this moment, rotating base drives the rear wheel and also accomplishes foldingly, the direction rotation of rotation axis lockhole becomes the opposite direction, and counterpoint with folding positioning lock pole, under the effect of folding positioning lock pole spring, folding positioning lock pole is automatic to counterpoint with the lockhole and tightly locks, thereby to the fixed position of rotation axis locking girder connecting seat, and when needing folding seat, need down rotate the seat riser, the seat riser is run into above folding spacing key and the rotatory hollow pole and is hindered the position, at this moment folding locating arm just in time with prevent that the rotation locating hole is counterpointed, folding locating arm inserts after being triggered automatically and prevents to lock in the rotation locating hole, prevent that hollow connecting sleeve pole and rotatory hollow pole are rotatory, realize folding fixed.
When the folded bicycle needs to be unfolded, the manual pull rod is pulled in the communication hole, so that the folding positioning lock rod connected with the manual pull rod is separated from the lock hole, the folding positioning arm is pulled, the folding positioning arm is separated from the anti-rotation positioning hole, the rotary hollow rod rotates in the hollow connecting sleeve rod, at the moment, the seat vertical pipe connected with the rotary hollow rod and the rotary base connected with the hollow connecting sleeve rod rotate towards the backward unfolding state direction, when the seat vertical pipe rotates to the set position, the rear wheel folding quick-release handle is rotated to enable the lock block to be matched with the lock block seat to be aligned with the buckling lock, then the rear wheel folding quick-release handle is rotated to be pressed downwards and locked towards the set position, when the rear wheel folding quick-release handle is pressed downwards, the round head movable buckle automatically slides to the set position of the rear wheel folding quick-release handle under the pressure of the rear wheel folding quick-release handle and is inserted into, thus, the unfolding of the rear wheel of the bicycle is completed
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A folding self-locking structure is characterized by comprising a rotary base, a folding positioning lock rod, a main beam frame connecting seat connected with a main beam frame, a seat vertical pipe connecting and rotating device arranged between the rotary base and the main beam frame connecting seat and a rear wheel folding quick-release handle arranged on the seat vertical pipe;
the rotating base is rotatably arranged at the bottom of the main beam frame connecting seat, the folding positioning lock rod is arranged on the main beam frame connecting seat, and the rotating seat vertical pipe is connected with the rotating device for positioning;
the main beam frame is respectively provided with a rear wheel folding quick-release handle resetting groove and a lock block seat, and the rear wheel folding quick-release handle is movably clamped on the lock block seat.
2. The folding self-locking structure of claim 1, wherein the seat riser connection rotation device comprises a rotation shaft fixing and mounting sleeve provided on the main beam frame connection seat and a rotation shaft provided on the rotation base;
the rotating shaft and the rotating shaft fixed mounting sleeve are respectively provided with a lock hole matched with the folding positioning lock rod;
the rotating shaft is sleeved in the rotating shaft fixing mounting sleeve on the main beam frame connecting seat.
3. The folding self-locking structure of claim 1, further comprising a manual pull rod and a folding positioning lock rod spring;
the bottom of the main beam frame connecting seat is provided with a connecting hole;
the folding positioning lock rod spring is arranged on the folding positioning lock rod, and the manual pull rod is connected with the folding positioning lock rod.
4. The folding self-locking structure of claim 1, further comprising a seat riser folding positioning device disposed on the swivel base, the seat riser being disposed on the swivel base through the seat riser folding positioning device.
5. The folding self-locking structure of claim 4, wherein the seat riser folding positioning device comprises a limit pin, a folding positioning arm, a return spring, a hollow connecting sleeve rod arranged on the seat riser and a rotary hollow rod arranged on the rotary base;
the hollow connecting sleeve rod is sleeved in the rotary hollow rod;
the hollow connecting sleeve rod is provided with a clamping groove, the limiting pin is arranged in the clamping groove, and the rotary hollow rod is provided with a limiting screw matched with the limiting pin;
the folding limiting key is arranged at the bottom of the seat vertical pipe, the folding positioning arm is sleeved on the folding limiting key through the reset spring, and when the seat vertical pipe rotates downwards and is folded in place, the folding positioning arm locks the hollow connecting sleeve rod and the rotary hollow rod.
6. The foldable self-locking structure of claim 5, wherein the hollow connecting sleeve rod and the rotary hollow rod are provided with rotation-preventing positioning holes, and the rotation-preventing positioning holes are matched with the size of the foldable positioning arms.
7. The folding self-locking structure of claim 5, further comprising a locking piece connecting rod and a locking piece matched with the locking piece seat, wherein one end of the locking piece connecting rod is connected with the rear wheel folding quick-release handle, and the other end of the locking piece connecting rod is connected with the locking piece.
8. The foldable self-locking structure according to claim 1, further comprising a locking buckle matched with the reset groove of the rear-wheel foldable quick-release handle, wherein the rear-wheel foldable quick-release handle is provided with a locking hole, and the locking buckle is matched with the locking hole on the rear-wheel foldable quick-release handle.
9. The foldable self-locking structure of claim 8, wherein the anti-loose lock catch comprises a round-head movable buckle, a torsion spring and an anti-loose fixed seat;
one end of the round head movable buckle is slidably sleeved in the anti-loosening lock hole, and the other end of the round head movable buckle is connected with the anti-loosening fixed seat;
the torsion spring is wound between the round head movable buckle and the anti-loosening fixed seat to form a whole.
10. A bicycle using the folding self-locking structure of any one of claims 1 to 9, comprising a rear arm bracket and a rear wheel arranged on the rear arm bracket, wherein the main beam frame connecting seat of the folding self-locking structure is connected with a main beam frame, and the rotating base is connected with the rear arm bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307063.2U CN211568201U (en) | 2019-12-20 | 2019-12-20 | Folding self-locking structure and bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307063.2U CN211568201U (en) | 2019-12-20 | 2019-12-20 | Folding self-locking structure and bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211568201U true CN211568201U (en) | 2020-09-25 |
Family
ID=72549537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922307063.2U Expired - Fee Related CN211568201U (en) | 2019-12-20 | 2019-12-20 | Folding self-locking structure and bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211568201U (en) |
-
2019
- 2019-12-20 CN CN201922307063.2U patent/CN211568201U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |