CN114620177B - Folding bicycle full-concealed folding lock catch and folding bicycle cross beam with same - Google Patents
Folding bicycle full-concealed folding lock catch and folding bicycle cross beam with same Download PDFInfo
- Publication number
- CN114620177B CN114620177B CN202210247270.7A CN202210247270A CN114620177B CN 114620177 B CN114620177 B CN 114620177B CN 202210247270 A CN202210247270 A CN 202210247270A CN 114620177 B CN114620177 B CN 114620177B
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- lock
- folding
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- section
- buckle
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- 238000005452 bending Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The application provides a fully hidden folding lock catch of a folding bicycle and a cross beam with the same, wherein the fully hidden folding lock catch is arranged on the cross beam of the folding bicycle, the cross beam comprises a first section of beam body and a second section of beam body which are mutually butted, one side of the end part of the first section of beam body is connected with one side of the end part of the second section of beam body through a first hinge structure, the other side of the end part of the first section of beam body is connected with the other side of the end part through a folding lock catch, when the folding lock catch is locked, the first section of beam body and the second section of beam body are locked, and when the folding lock catch is opened, the first section of beam body and the second section of beam body can be rotated and folded by taking the first hinge structure as an axle center, and the fully hidden structure avoids potential safety hazards caused by exposing the surface of a frame by lock catch buttons; the application has smart and simple integral structure and better structural strength.
Description
Technical Field
The application relates to a part of a folding bicycle, in particular to a fully hidden folding lock catch for the folding bicycle.
Background
The folding bicycle is popular with people because of being foldable and occupying less space. Since the frame is a critical component affecting the space taken up by the entire bicycle, most folding bicycles design the frame as folded. In the existing folding bicycle, the folding structure of the frame is quite a lot, generally comprises a hinge structure and a locking structure, and in order to prevent the locking structure from locking and then the locking handle from loosening, an anti-loosening structure is arranged on the frame. In the prior art, the anti-loosening structure is a button with one end part exposed out of the surface of the frame, and the frame can be folded by pressing the button and loosening the unlocking lock handle. Since the button exposes the surface of the frame, if the button is inadvertently pressed during riding, there is a risk that the locking handle will be released, thereby rendering the frame unable to lock. Based on this, it is necessary to develop a fully concealed folding shackle.
Disclosure of Invention
In order to solve the above-mentioned technical problems, a first object of the present application is to provide a fully hidden folding lock catch of a folding bicycle, which is of a fully hidden structure, and avoids the potential safety hazard caused by the lock catch button exposing the surface of the frame; the application has smart and simple integral structure and better structural strength.
A second object of the present application is to provide a folding bicycle cross beam with the fully concealed folding shackle described above.
In view of the above, an aspect of the present application provides a fully hidden folding lock catch for a folding bicycle, which is disposed on a cross beam of the folding bicycle, the cross beam includes a first section beam body and a second section beam body that are abutted to each other, one side of an end portion of the first section beam body is connected with one side of an end portion of the second section beam body through a first hinge structure, the other side of the end portion is connected with the other side through a folding lock catch, when the folding lock catch is locked, the first section beam body and the second section beam body are locked, when the folding lock catch is opened, the first section beam body and the second section beam body can be folded in half by rotating about the first hinge structure as an axis, specifically,
the folding lock catch is fully hidden and comprises a lock body, a lock cover and a switch, wherein the side parts of the joint of the first section of beam body and the second section of beam body are inwards sunken and closed to form an accommodating groove;
the lock body is embedded in the accommodating groove and comprises a buckle, the buckle is provided with a fixing part and a hook part, the hook part extends towards the direction close to the lock cover and can rotate around the fixing part under the action of external force;
the inner side of the cover body of the lock cover is limited with a hanging ring which is used for being matched with the hook part of the buckle to lock the buckle, the lock cover is provided with a first fixed end and a first movable end, the first fixed end is hinged to one end, close to the first section beam body, of the containing groove through a second hinge structure, the first movable end can rotate around the first fixed end, when the lock body is opened, the first movable end can rotate freely, and at the moment, the first section beam body and the second section beam body can be folded in half in a rotating way; when the lock body is locked, the lock cover covers the notch of the accommodating groove to shield the lock body, and the outer surface of the lock cover is flush with the surfaces of the first section of beam body and the second section of beam body at the moment respectively to hide the folding lock catch;
a gap is defined between the first movable end of the lock cover and the second section beam body, the switch is plate-shaped, is arranged and fills the gap, the switch is provided with a second fixed end and a second movable end, the second fixed end is fixed on one end of the accommodating groove, which is close to the second section beam body, through a third hinge structure, the second movable end can rotate around the second fixed end, and when the second movable end is extruded by external force to rotate towards the bottom direction of the accommodating groove, the hook part of the buckle rotates towards a direction away from the hanging ring around the fixed part, so that the folding lock catch is opened.
Preferably, the lock body further comprises a multi-link mechanism, the buckle is connected with the multi-link mechanism, and when the switch is extruded by external force, the multi-link mechanism transmits and applies the external force to the buckle to drive the buckle to rotate.
Preferably, the multi-link mechanism comprises a first rotating shaft, a second rotating shaft, a third rotating shaft, a first link and a second link, wherein the fixing part of the buckle is hinged to the first rotating shaft, the second rotating shaft is located at one side far away from the bending direction of the buckle hook part, the first link is fixedly connected between the first rotating shaft and the second rotating shaft, the third rotating shaft is arranged on the inner wall of the switch, the second link is connected between the second rotating shaft and the third rotating shaft, when the switch is extruded by external force to rotate in the accommodating groove, the external force is transmitted to the buckle through the third rotating shaft, the second link and the second rotating shaft, the hook part of the buckle rotates in the direction far away from the hanging ring, and at the moment, the buckle is opened, and the lock cover can rotate freely.
Preferably, the first connecting rod and the buckle are integrally formed.
Preferably, a dead point structure is configured on one side of the lock cover, which is close to the accommodating groove, and the dead point structure is matched with a first upright post arranged at the end part of the second section beam body of the accommodating groove, so that the lock cover covers the notch of the accommodating groove and cannot be displaced when the lock body is locked.
Preferably, the dead point structure comprises a second upright post and a limiting piece which are fixed in the inner side of the lock cover, the limiting piece is arranged on the second upright post, a first torsion spring is arranged between the limiting piece and the second upright post, when the first torsion spring is in a natural state, the limiting piece vertically abuts against the first upright post, and at the moment, the lock cover is locked at the notch of the accommodating groove and cannot rotate; when the first torsion spring is extruded to rotate, the limiting piece rotates along with the first torsion spring and is staggered with the first upright post, and the lock cover can rotate freely.
Preferably, the limiting piece is an M6 screw.
Preferably, a grid-shaped framework is defined on one side of the lock cover, which is close to the accommodating groove.
Preferably, a second torsion spring is arranged on the inner side of the switch, one end of the second torsion spring is propped against the groove wall of the accommodating groove or the lock body, the other end of the second torsion spring is propped against the inner side surface of the switch, and when the second torsion spring is in a natural state, the switch covers the notch.
Preferably, the lock body further comprises a support of the lock body, the multi-connecting-rod structure and the buckle are fixed on the support, and the lock body is fixed in the accommodating groove through the support.
In another aspect of the present application, a folding bicycle cross member is provided that is configured with the fully concealed folding shackle described above.
Compared with the prior art, the application has the beneficial effects that:
the application has a fully hidden structure, and avoids potential safety hazards caused by exposing the surface of the frame by the lock catch button; the folding bicycle beam has the advantages of ingenious and simple integral structure and better structural strength, and can effectively improve the structural reliability of the joints of the beam bodies of different sections of the folding bicycle beam.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic view of a part of a folding bicycle cross beam with a fully concealed folding shackle in an embodiment of the present application;
FIG. 2 is a schematic view of the structure of FIG. 1 with the latch cover removed and the switch plate surface removed;
FIG. 3 is a schematic view of a lock cover according to an embodiment of the present application;
FIG. 4 is a schematic view of a lock body and a switch according to an embodiment of the present application;
FIG. 5 is a schematic view of a lock and a switch (with the panel removed) according to an embodiment of the present application;
fig. 6 is a schematic view of the structure of the lock body (with the support removed) according to the embodiment of the present application.
101, a first section beam body; 102. a second section of beam body; 103. a receiving groove;
201. a lock body; 202. a locking cover; 203. a switch;
1031. a first upright;
2011. a fixing part; 2012. a hook portion; 2013. a first rotating shaft; 2014. a second rotating shaft; 2015. a third rotating shaft; 2016. a first link; 2017. a second link; 2018. a support; 2019. a third torsion spring;
2021. hanging rings; 2022. a first fixed end; 2023. a first movable end; 2024. a latticed skeleton; 2025. a first torsion spring; 2026. a second upright;
2031. a second fixed end; 2032. a second movable end; 2033. a handle; 2034. and a second torsion spring.
Detailed Description
The application will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The embodiment provides a fully hidden folding lock catch of a folding bicycle, which is arranged on a cross beam of the folding bicycle, as shown in fig. 1 and 2, the cross beam comprises a first section beam body 101 and a second section beam body 102 which are mutually butted, one side of the end part of the first section beam body 101 and one side of the end part of the second section beam body 102 are connected through a first hinge structure, the other side of the end part of the first section beam body is connected through the folding lock catch, when the folding lock catch is locked, the first section beam body 101 and the second section beam body 102 are locked, when the folding lock catch is opened, the first section beam body 101 and the second section beam body 102 can be rotated and folded by taking the first hinge structure as an axle center,
as shown in fig. 1 and fig. 4, the folding lock catch is fully hidden, and comprises a lock body 201, a lock cover 202 and a switch 203, wherein the side parts of the joint of the first section beam body 101 and the second section beam body 102 are all recessed inwards to form a containing groove 103;
the lock body 201 is embedded in the accommodating groove 103, and includes a buckle, the buckle has a fixing portion 2011 and a hook portion 2012, the hook portion 2012 extends in a direction approaching the lock cover 202, and the hook portion 2012 can rotate around the fixing portion 2011 under the action of an external force;
as shown in fig. 3, a hanging ring 2021 is defined on the inner side of the cover body of the lock cover 202, the hanging ring 2021 is used for cooperating with the hook 2012 of the buckle to lock the buckle, the lock cover 202 has a first fixed end 2022 and a first movable end 2023, the first fixed end 2022 is hinged to one end of the accommodating groove 103 near the first section beam body 101 through a second hinge structure, the first movable end 2023 can rotate around the first fixed end 2022, when the lock body 201 is opened, the first movable end 2023 can freely rotate, and at this time, the first section beam body 101 and the second section beam body 102 can be rotationally folded in half; when the lock body 201 is locked, the lock cover 202 covers the notch of the accommodating groove 103 to shield the lock body 201, and at the moment, the outer surfaces of the lock cover 202 are flush with the surfaces of the first section beam body 101 and the second section beam body 102 respectively, so that the folding lock catch is hidden;
as shown in fig. 1 and 5, a gap is defined between the first movable end 2023 of the lock cover 202 and the second section beam 102, the switch 203 is plate-shaped, and is disposed and fills the gap, the switch 203 has a second fixed end 2031 and a second movable end 2032, the second fixed end 2031 is fixed on an end of the accommodating groove 103 near the second section beam 102 through a third hinge structure, the second movable end 2032 can rotate around the second fixed end 2031, and when the second movable end 2032 is pressed by an external force to rotate towards the bottom direction of the accommodating groove 103, the hook 2012 of the buckle rotates around the fixing portion 2011 towards a direction away from the hanging ring 2021, so as to open the folding lock catch.
As a preferred embodiment, as shown in fig. 4-5, the lock body 201 further includes a multi-link mechanism, and the buckle is connected to the multi-link mechanism, and when the switch 203 is pressed by an external force, the multi-link mechanism transmits and applies the external force to the buckle to drive the buckle to rotate. Preferably, the lock body 201 further includes a support 2018 of the lock body 201, the multi-link structure and the buckle are fixed on the support 2018, and the lock body 201 is fixed in the accommodating groove 103 through the support 2018.
As a preferred embodiment, as shown in fig. 6, the multi-link mechanism includes a first shaft 2013, a second shaft 2014, a third shaft 2015, a first link 2016 and a second link 2017, the fixing portion 2011 of the buckle is hinged to the first shaft 2013, the second shaft 2014 is located at a side far away from the bending direction of the buckle hook portion 2012, the first link 2016 is fixedly connected between the first shaft 2013 and the second shaft 2014, the third shaft 2015 is disposed on an inner wall of the switch 203, the second link 2017 is connected between the second shaft 2014 and the third shaft 2015, when the switch 203 is pressed by an external force to rotate in the accommodating groove 103, the external force is transmitted to the buckle via the third shaft 2015-the second link 2017-the second shaft 2014, the hook portion 2012 of the buckle rotates away from the hanging ring 2021, at this time, the buckle is opened, and the lock cover 202 can rotate freely. Preferably, the lock body 201 further includes a third torsion spring 2019, one end of the third torsion spring 2019 abuts against the first link 2016, and the other end abuts against the support 2018 of the lock body 201, so that when the external force at the switch 203 is removed, the hook 2012 of the catch can rebound to the locking position.
As a preferred embodiment, the first link 2016 is integrally formed with a clip.
As a preferred embodiment, as shown in fig. 3, a dead point structure is disposed on a side of the lock cover 202 near the receiving groove 103, and the dead point structure cooperates with a first upright 1031 disposed at an end position of the second beam 102 of the receiving groove 103, so that the lock cover 202 covers a notch of the receiving groove 103 without displacement when the lock body 201 is locked.
As a preferred embodiment, as shown in fig. 3, the dead center structure includes a second upright 2026 fixed in the inner side of the lock cover 202 and a limiting member, the limiting member is disposed on the second upright 2026, a first torsion spring 2025 is disposed between the limiting member and the second upright 2026, when the first torsion spring 2025 is in a natural state, the limiting member vertically abuts against the first upright 1031, and at this time, the lock cover 202 is locked at the notch of the accommodating groove 103 and cannot rotate; when the first torsion spring 2025 is pressed to rotate, the limiting element follows the first torsion spring 2025 to rotate and stagger with the first upright 1031, and at this time, the locking cover 202 can rotate freely.
As a preferred implementation mode, the limiting piece is an M6 screw, and the length of a dead point moment arm can be conveniently adjusted by adopting the screw as the limiting piece, and meanwhile, the contact area between the limiting piece and the first upright post 1031 can be increased, so that the dead point locking force is increased.
As a preferred embodiment, as shown in fig. 3, a grid-like skeleton 2024 is defined on the side of the locking cover 202 near the receiving slot 103, so as to improve the overall structural strength of the locking cover 202.
As a preferred embodiment, as shown in fig. 4 and 5, a second torsion spring 2034 is disposed inside the switch 203, one end of the second torsion spring 2034 abuts against the groove wall of the accommodating groove 103 or the lock body 201, the other end abuts against the inner side surface of the switch 203, and the switch 203 covers the notch when the second torsion spring 2034 is in a natural state. In this embodiment, one end of the second torsion spring 2034 abuts on the support 2018 of the lock body 201. Further preferably, when the second torsion spring 2034 is in a natural state, the second movable end 2032 of the switch 203 is recessed toward the inside of the accommodating groove 103, and at the same time, a handle 2033 is disposed on the outer surface of the switch 203 to improve the convenience of operation; further preferably, the handle 2033 may extend outwardly through the switch 203 as part of the second torsion spring 2034.
The application has a fully hidden structure, and avoids potential safety hazards caused by exposing the surface of the frame by the lock catch button; the folding bicycle beam has the advantages of ingenious and simple integral structure and better structural strength, and can effectively improve the structural reliability of the joints of the beam bodies of different sections of the folding bicycle beam.
Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by those skilled in the art without departing from the spirit and principles of the application, and any simple modification, equivalent variation and modification of the above embodiments in light of the technical principles of the application may be made within the scope of the present application.
Claims (9)
1. The utility model provides a folding bicycle's full hidden folding hasp, sets up on folding bicycle's crossbeam, the crossbeam includes the first section roof beam body and the second section roof beam body of mutual butt joint, the tip one side of first section roof beam body and the second section roof beam body is connected through first hinge structure, and the opposite side is connected through folding hasp, when folding hasp locking, first section roof beam body and second section roof beam body locking, when folding hasp is opened, first section roof beam body and second section roof beam body can first hinge structure is the axle center rotation fifty percent discount, its characterized in that,
the folding lock catch is fully hidden and comprises a lock body, a lock cover and a switch, wherein the side parts of the joint of the first section of beam body and the second section of beam body are inwards sunken and closed to form an accommodating groove;
the lock body is embedded in the accommodating groove and comprises a multi-link mechanism and a buckle, the buckle is provided with a fixing part and a hook part, the hook part extends towards the direction close to the lock cover, and the hook part can rotate around the fixing part under the action of the multi-link mechanism;
the inner side of the cover body of the lock cover is limited with a hanging ring which is used for being matched with the hook part of the buckle to lock the lock catch, when the buckle of the lock body rotates, the hook part of the lock body can be hung on the hanging ring or far away from the hanging ring, so that the lock catch of the lock body can be locked or unlocked; the lock cover is provided with a first fixed end and a first movable end, the first fixed end is hinged to one end, close to the first section beam body, of the accommodating groove through a second hinge structure, the first movable end can rotate around the first fixed end, when the lock body is opened, the first movable end can freely rotate, and at the moment, the first section beam body and the second section beam body can be rotationally folded in half; when the lock body is locked, the lock cover covers the notch of the accommodating groove to shield the lock body, and the outer surface of the lock cover is flush with the surfaces of the first section of beam body and the second section of beam body at the moment respectively to hide the folding lock catch;
a gap is limited between the first movable end of the lock cover and the second section beam body, the switch is plate-shaped, is arranged and fills the gap, the switch is provided with a second fixed end and a second movable end, the second fixed end is fixed on one end of the accommodating groove close to the second section beam body through a third hinge structure, the second movable end can rotate around the second fixed end, when the second movable end is extruded by external force to rotate towards the bottom direction of the accommodating groove, the hook part of the buckle rotates towards the direction far away from the hanging ring around the fixed part, so that the folding lock catch is opened,
the multi-link mechanism comprises a first rotating shaft, a second rotating shaft, a third rotating shaft, a first connecting rod and a second connecting rod, wherein the fixing part of the buckle is hinged to the first rotating shaft, the second rotating shaft is located at one side far away from the bending direction of the clasp part, the first connecting rod is fixedly connected between the first rotating shaft and the second rotating shaft, the third rotating shaft is arranged on the inner wall of the switch, the second connecting rod is connected between the second rotating shaft and the third rotating shaft, when the switch is extruded by external force to rotate in the accommodating groove, the external force is transmitted to the buckle through the third rotating shaft, the second connecting rod and the second rotating shaft, the clasp part of the buckle rotates in the direction far away from the hanging ring, and at the moment, the buckle is opened, and the lock cover can rotate freely.
2. The fully concealed folding clasp of claim 1, wherein the first link is integrally formed with the clasp.
3. The folding bicycle as claimed in claim 1, wherein the lock cover is provided with a dead point structure on a side close to the receiving groove, the dead point structure is matched with the first upright post arranged at the end position of the second section beam body of the receiving groove, and when the lock body is locked, the lock cover is covered at the notch of the receiving groove and cannot be displaced.
4. The fully hidden folding lock catch of claim 3, wherein the dead point structure comprises a second upright post and a limiting piece fixed in the inner side of the lock cover, the limiting piece is arranged on the second upright post, a first torsion spring is arranged between the limiting piece and the second upright post, when the first torsion spring is in a natural state, the limiting piece vertically abuts against the first upright post, and at the moment, the lock cover is locked at a notch of the accommodating groove and cannot rotate; when the first torsion spring is extruded to rotate, the limiting piece rotates along with the first torsion spring and is staggered with the first upright post, and the lock cover can rotate freely.
5. The fully concealed folding clasp of claim 4, wherein the limiting member is an M6 screw.
6. The fully concealed folding lock catch of a folding bicycle of claim 1, wherein the lock cover defines a latticed skeleton on a side thereof adjacent to the receiving slot.
7. The folding bicycle as claimed in claim 1, wherein the inner side of the switch is provided with a second torsion spring, one end of the second torsion spring is abutted against the groove wall of the accommodating groove or the lock body, the other end is abutted against the inner side surface of the switch, and the switch is covered at the notch when the second torsion spring is in a natural state.
8. The fully concealed folding lock catch of claim 1, wherein the lock body further comprises a support of the lock body, the multi-link mechanism and the buckle are fixed on the support, and the lock body is fixed in the accommodating groove through the support.
9. A folding bicycle cross beam provided with a fully concealed folding shackle as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247270.7A CN114620177B (en) | 2022-03-14 | 2022-03-14 | Folding bicycle full-concealed folding lock catch and folding bicycle cross beam with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210247270.7A CN114620177B (en) | 2022-03-14 | 2022-03-14 | Folding bicycle full-concealed folding lock catch and folding bicycle cross beam with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114620177A CN114620177A (en) | 2022-06-14 |
| CN114620177B true CN114620177B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210247270.7A Active CN114620177B (en) | 2022-03-14 | 2022-03-14 | Folding bicycle full-concealed folding lock catch and folding bicycle cross beam with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114620177B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096790A (en) * | 2000-09-25 | 2002-04-02 | Towa Kogyo Kk | Folding bicycle |
| KR200331983Y1 (en) * | 2003-07-02 | 2003-11-03 | 여인철 | vehicle board having 3 wheels |
| CN2671940Y (en) * | 2003-11-26 | 2005-01-19 | 蔡杜淑姿 | Hidden type folding structure of folding bicycle |
| CN101045474A (en) * | 2006-03-27 | 2007-10-03 | 廖兴邦 | Stop anti-theft lock on hub of motorcycle |
| CN101209738A (en) * | 2007-12-25 | 2008-07-02 | 宁波翔鹰车业有限公司 | Folding device |
| WO2008104120A1 (en) * | 2007-02-27 | 2008-09-04 | Geping Chen | Self-locking foldable handlebars |
| CN214689973U (en) * | 2021-04-07 | 2021-11-12 | 深圳市昌威鑫五金科技有限公司 | Folding mechanism with hidden handle |
-
2022
- 2022-03-14 CN CN202210247270.7A patent/CN114620177B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096790A (en) * | 2000-09-25 | 2002-04-02 | Towa Kogyo Kk | Folding bicycle |
| KR200331983Y1 (en) * | 2003-07-02 | 2003-11-03 | 여인철 | vehicle board having 3 wheels |
| CN2671940Y (en) * | 2003-11-26 | 2005-01-19 | 蔡杜淑姿 | Hidden type folding structure of folding bicycle |
| CN101045474A (en) * | 2006-03-27 | 2007-10-03 | 廖兴邦 | Stop anti-theft lock on hub of motorcycle |
| WO2008104120A1 (en) * | 2007-02-27 | 2008-09-04 | Geping Chen | Self-locking foldable handlebars |
| CN101209738A (en) * | 2007-12-25 | 2008-07-02 | 宁波翔鹰车业有限公司 | Folding device |
| CN214689973U (en) * | 2021-04-07 | 2021-11-12 | 深圳市昌威鑫五金科技有限公司 | Folding mechanism with hidden handle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114620177A (en) | 2022-06-14 |
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