CN112896400A - Folding locking mechanism for bicycle - Google Patents
Folding locking mechanism for bicycle Download PDFInfo
- Publication number
- CN112896400A CN112896400A CN202110373656.8A CN202110373656A CN112896400A CN 112896400 A CN112896400 A CN 112896400A CN 202110373656 A CN202110373656 A CN 202110373656A CN 112896400 A CN112896400 A CN 112896400A
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- CN
- China
- Prior art keywords
- guide rail
- quick
- rail seat
- vertical pipe
- standpipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention provides a bicycle folding and locking mechanism, which belongs to the field of non-motor vehicles and comprises an upper vertical pipe and a lower vertical pipe which are coaxially arranged and can slide up and down; the upper vertical pipe is provided with a clamp assembly, the clamp assembly comprises a quick-release guide rail seat and a slide block column, and the quick-release guide rail seat is switched between an opening state and a locking state so that the upper vertical pipe can slide up and down relative to the lower vertical pipe or can be locked and fixed relative to the lower vertical pipe; the slide block column slides up and down relative to the quick-release guide rail seat and is detachably fixed with the quick-release guide rail seat; be equipped with limit spanner on the slider post, the last location arch that is equipped with of limit spanner is equipped with the constant head tank on the quick detach guide rail seat, and the location arch corresponds the setting with the constant head tank and forms the trip structure to make and go up standpipe and lower standpipe equipment fixed in place. The invention combines the design of the quick-release binding clip, does not need labor in the folding process, can be easily used by children, has the foolproof limit buckle design when combined, and avoids the situation that the installation is not in place.
Description
Technical Field
The invention belongs to the field of non-motor vehicle accessories, and relates to bicycle accessories, in particular to a folding and locking mechanism of a bicycle.
Background
In the face of global epidemic abuse, many commuters at home and abroad are switched from the original public transportation commute to individual trip selection in order to avoid infection far away from crowds, bicycles become popular choices, folding bicycles are favored by vast commuters due to the characteristics of quick folding and unfolding, can quickly go back and forth in crowded cities, smoothly avoid congested traffic, and do not occupy space in cities with large amounts of soil.
Along with folding bicycle's popularization, there is fixed folding mechanism on the market today, has the inconvenient condition of operation among the folding process, and practical operation wastes time and energy, and is folding swift inadequately, has restricted consumer's selection, can't satisfy the consumer of different age groups.
Disclosure of Invention
The invention aims to solve the problem that a folding locking mechanism of a bicycle is provided, the design of a quick-release fastener is combined, labor is not required in the folding process, the folding locking mechanism can be easily used by children, and the design of a foolproof limit buckle is combined to avoid the situation that the bicycle is not installed in place.
In order to solve the technical problems, the invention adopts the technical scheme that: the bicycle folding locking mechanism comprises an upper vertical pipe and a lower vertical pipe which are coaxially arranged and can slide up and down;
the upper vertical pipe is provided with a clamp assembly, the clamp assembly comprises a quick-release guide rail seat and a slide block column, the quick-release guide rail seat is switched between an opening state and a locking state, the upper vertical pipe slides up and down relative to the lower vertical pipe when the quick-release guide rail seat is opened, and the upper vertical pipe is locked and fixed relative to the lower vertical pipe when the quick-release guide rail seat is locked;
the slide block column is arranged at one end far away from the adjusting opening of the quick-release guide rail seat, the lower end of the slide block column is fixed with the lower part of the lower vertical pipe, and the slide block column slides up and down relative to the quick-release guide rail seat and is detachably fixed with the quick-release guide rail seat;
the slide block column slides to the upper limit position of the quick-release guide rail seat, and the quick-release guide rail seat is turned over relative to the slide block column so that the upper vertical pipe is turned over outwards to be separated from the lower vertical pipe;
be equipped with limit spanner on the slider post, the last location arch that is equipped with of limit spanner is equipped with the constant head tank on the quick detach guide rail seat, and the location arch corresponds the setting with the constant head tank and forms the trip structure to make and go up standpipe and lower standpipe equipment fixed in place.
Further, the standpipe is established in the inside of last standpipe down, goes up the standpipe and establishes the inside of quick detach guide rail seat goes up standpipe, standpipe and the coaxial setting of quick detach guide rail seat three down.
Furthermore, the upper portion of the limiting wrench is hinged to the sliding block column through a fixing pin, a positioning hole is formed in the upper end of the sliding block column, and a reset spring is arranged in the positioning hole, so that the limiting wrench can reset under the action of no external force.
Further, be equipped with the fixed slot on the slider post, limit spanner establishes in the fixed slot, and limit spanner sets up with the terminal surface parallel and level of slider post, and reset spring establishes between slider post and limit spanner, has the pre-compaction effect to limit spanner.
Further, the lower extreme of limit wrench is outstanding downwards the setting of slider post, and the protruding part extends the setting to the one side of keeping away from the slider post, and limit wrench's lower extreme is equipped with the operation through-hole.
Furthermore, the positioning bulge is arranged in the middle of the limiting wrench, extends downwards to one side of the quick-release guide rail seat, and penetrates through the clearance hole in the slide block column to be matched with the positioning groove in the quick-release guide rail seat to form a clamping tenon structure.
Furthermore, the lower end of the sliding block column is provided with a countersunk hole, a fixing screw is arranged in the countersunk hole, the sliding block column and the lower vertical pipe are fixed, and the fixing screw does not interfere with the limiting wrench.
Further, the position that quick detach guide rail seat and slider post correspond is equipped with the U-shaped groove, and the slider post is established at the U-shaped inslot, and the sliding tray of vertical setting about the both sides of U-shaped groove all are equipped with, and the slider post is detachable fixed through the relative quick detach guide rail seat of guide rail screw that upper end both sides set up to make the relative quick detach guide rail seat of slider post slide from top to bottom.
Further, quick detach guide rail seat is unilateral open structure, restraints young subassembly and still includes restrainting young screw, and the open end that restraints young screw and pass quick detach guide rail seat links to each other with the center pin, is equipped with eccentric settings's quick detach spanner on the center pin, through opening and shutting of quick detach spanner, opens or compels tight quick detach guide rail seat to make and go up the standpipe and switch under opening and locking state.
Furthermore, restraint young subassembly and still include iron shoe-shaped gold ingot gasket and plastics shoe-shaped gold ingot gasket, the two is established between quick detach spanner and quick detach guide rail seat to prevent that quick detach spanner is the not hard up under the closed revolving stage.
Compared with the prior art, the invention has the following technical effects.
1. In the folding process of the folding slide rail mechanism, when the limiting spanner is opened and combined, no other part is connected and stressed, the force application is small, the design can be used by all age groups, and the upper vertical pipe and the lower vertical pipe can be overturned and separated in the structure, so that the volume of the bicycle folding mechanism is greatly reduced, the weight of a product is further reduced, and the weight reduction engineering of the product is facilitated;
2. in this application, combine tenon mechanism and folding slide rail mechanism, when folding the completion, the clear standpipe and the complete equipment together of lower standpipe will be gone up to accessible tenon mechanism, play spacing effect, avoid the installation not in place, lead to riding to take advantage of occasionally technical problem and take place.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a cross-sectional view of the bicycle fold latch mechanism of the present invention;
FIG. 2 is a detail view of section A of FIG. 1 of the present invention;
FIG. 3 is a detail view of section B of FIG. 1 of the present invention;
FIG. 4 is a top plan view of the bicycle fold latch mechanism of the present invention;
FIG. 5 is a rear elevational view of the bicycle fold latch mechanism of the present invention;
FIG. 6 is a schematic view of the folding locking mechanism of the bicycle according to the present invention;
FIG. 7 is a schematic structural view of the bicycle fold lock mechanism of the present invention in an unlocked state.
Reference numerals:
1. an upper vertical pipe; 2. a quick-release guide rail seat; 21. positioning a groove; 3. fixing screws; 4. a quick-release wrench; 5. a central shaft; 6. a ferrous shoe-shaped gold ingot gasket; 7. a plastic shoe-shaped gold ingot gasket; 8. binding a screw; 9. a slider post; 10. fixing screws; 11. a guide rail screw; 12. a limiting wrench; 121. positioning the projection; 122. operating the through hole; 13. a fixing pin; 14. a return spring; 15. a lower vertical pipe; 16. a sliding groove.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1 to 7, the bicycle folding and locking mechanism includes an upper vertical tube 1 and a lower vertical tube 15 which are coaxially arranged and can slide up and down;
the upper vertical pipe 1 is provided with a clamp assembly, the clamp assembly comprises a quick-release guide rail seat 2 and a sliding block column 9, the quick-release guide rail seat 2 is switched between an opening state and a locking state, the upper vertical pipe 1 slides up and down relative to the lower vertical pipe 15 after being opened, the upper vertical pipe 1 is locked and fixed relative to the lower vertical pipe 15 after being locked, and the clamp assembly can be replaced by a fastening mechanism for fastening screws, fastening screws by combining nuts and other extending mechanisms, so that the structure of quick tightening and loosening can be realized;
the slide block column 9 is arranged at one end far away from the adjusting opening of the quick-release guide rail seat 2, the lower end of the slide block column 9 is fixed with the lower part of the lower vertical pipe 15, and the slide block column 9 slides up and down relative to the quick-release guide rail seat 2 and is detachably fixed with the quick-release guide rail seat;
the slide block column 9 slides to the upper limit position of the quick-release guide rail seat 2, and the quick-release guide rail seat 2 is turned over relative to the slide block column 9, so that the upper vertical pipe 1 is turned over outwards and separated from the lower vertical pipe 15;
be equipped with limit wrench 12 on the slider post 9, be equipped with location arch 121 on the limit wrench 12, be equipped with constant head tank 21 on the quick detach guide rail seat 2, location arch 121 corresponds the setting with constant head tank 21 and forms the trip structure to it is fixed to make to go up standpipe 1 and lower standpipe 15 equipment to target in place.
Preferably, the standpipe 15 is established in the inside of last standpipe 1, goes up standpipe 1 and establishes in the inside of quick detach guide rail seat 2, goes up standpipe 1, standpipe 15 and the coaxial setting of quick detach guide rail seat 2 three.
Preferably, the upper part of the limit wrench 12 is hinged to the slider column 9 through a fixing pin 13, a positioning hole is formed in the upper end of the slider column 9, and a return spring 14 is arranged in the positioning hole, so that the position of the positioning spring is ensured to be unchanged, and the problem of slipping and falling cannot occur, and the limit wrench 12 is enabled to be reset under the action of no external force; further, be equipped with the fixed slot on the slider post 9, limit spanner 12 establishes in the fixed slot, and limit spanner 12 sets up with the terminal surface parallel and level of slider post 9, and the structure is more pleasing to the eye like this, reduces the bulge moreover, in the operation process, is difficult for damaging the operator, and the security is higher, and reset spring 14 establishes between slider post 9 and limit spanner 12, has the pre-compaction effect to limit spanner 12.
Preferably, the lower end of the limit wrench 12 protrudes downwards from the slider column 9, and the protruding portion extends to one side away from the slider column 9, and the lower end of the limit wrench 12 is provided with an operation through hole 122, so that an operator can conveniently hold the limit wrench.
Preferably, the positioning protrusion 121 is disposed in the middle of the limiting wrench 12, and extends downward toward one side of the quick-release rail seat 2, and the positioning protrusion 121 passes through the clearance hole on the slider column 9 to cooperate with the positioning groove 21 on the quick-release rail seat 2, so as to form a tenon structure.
Preferably, the lower extreme of slider post 9 is equipped with the counter bore, is equipped with set screw 103 in the counter bore, and fixed slider post 9 and lower standpipe 15, set screw 103 do not interfere with limit wrench 12, guarantee that overall structure is compacter, and occupation space is little, does not influence bicycle overall structure's design and space variation.
Preferably, the position that quick detach guide rail seat 2 corresponds with slider post 9 is equipped with the U-shaped groove, and slider post 9 is established at the U-shaped inslot, and the both sides in U-shaped groove all are equipped with the sliding tray 16 of vertical setting from top to bottom, and slider post 9 is detachable fixed through the relative quick detach guide rail seat 2 of guide rail screw 11 that the upper end both sides set up to make slider post 9 slide from top to bottom relative quick detach guide rail seat 2, and the slide rail design, the removable mechanism design that is the same principle, the equivalent structure that can realize relative movement from top to bottom is all can.
Preferably, the quick-release guide rail seat 2 is of a single-side opening structure, the clamp-binding assembly further comprises a clamp-binding screw 8, the clamp-binding screw 8 penetrates through an opening end of the quick-release guide rail seat 2 to be connected with the central shaft 5, the central shaft 5 is provided with an eccentrically-arranged quick-release wrench 4, and the quick-release guide rail seat 2 is opened or tightly pressed through opening and closing of the quick-release wrench 4, so that the upper vertical pipe 1 is switched between an opening state and a locking state; restraint young subassembly and still include iron shoe-shaped gold ingot gasket 6 and plastics shoe-shaped gold ingot gasket 7, and the two is established between quick detach spanner 4 and quick detach guide rail seat 2 to prevent that quick detach spanner 4 is the not hard up under the closed revolving stage, guarantee the stability of operation, more preferably, one side height of 2 open ends of quick detach guide rail seat is less than the height of the other end, and quick detach guide rail seat 2 is connected and is fixed through set screw 103 with last standpipe 1.
In the in-process of in-service use, artificial pulling limit wrench 12, can realize reciprocating and the upset of quick detach guide rail seat 2, conveniently dismantle and fold, the in-process of reassembly, limit wrench 12 loosens the back, reset spring 14 can reset limit wrench 12, locating protrusion 121 on the limit wrench 12 and constant head tank 21 on the quick detach guide rail seat 2 form L shape trip mechanism, L type trip mechanism can get into the rectangular channel of quick detach guide rail seat 2 after the installation is accomplished, for avoiding the spanner to remove, can newly-increased the lantern ring, the fixed establishment of magnetism or other extensions, guarantee the stability of structure.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. Bicycle folding locking mechanism, its characterized in that: comprises an upper vertical pipe and a lower vertical pipe which are coaxially arranged and can slide up and down;
the upper vertical pipe is provided with a clamp assembly, the clamp assembly comprises a quick-release guide rail seat and a slide block column, the quick-release guide rail seat is switched between an opening state and a locking state, the upper vertical pipe slides up and down relative to the lower vertical pipe when the quick-release guide rail seat is opened, and the upper vertical pipe is locked and fixed relative to the lower vertical pipe when the quick-release guide rail seat is locked;
the slide block column is arranged at one end far away from the adjusting opening of the quick-release guide rail seat, the lower end of the slide block column is fixed with the lower part of the lower vertical pipe, and the slide block column slides up and down relative to the quick-release guide rail seat and is detachably fixed with the quick-release guide rail seat;
the slide block column slides to the upper limit position of the quick-release guide rail seat, and the quick-release guide rail seat is turned over relative to the slide block column so that the upper vertical pipe is turned over outwards to be separated from the lower vertical pipe;
be equipped with limit spanner on the slider post, the last location arch that is equipped with of limit spanner is equipped with the constant head tank on the quick detach guide rail seat, and the location arch corresponds the setting with the constant head tank and forms the trip structure to make and go up standpipe and lower standpipe equipment fixed in place.
2. The bicycle fold latch mechanism according to claim 1, wherein: the standpipe is established in the inside of last standpipe down, goes up the standpipe and establishes the inside of quick detach guide rail seat goes up standpipe, standpipe and quick detach guide rail seat three coaxial setting down.
3. The bicycle fold latch mechanism according to claim 1, wherein: the upper portion of the limiting wrench is hinged to the sliding block column through the fixing pin, the upper end of the sliding block column is provided with the positioning hole, and the positioning hole is internally provided with the reset spring, so that the limiting wrench can reset under the action of no external force.
4. The bicycle fold latch mechanism according to claim 3, wherein: be equipped with the fixed slot on the slider post, limit spanner establishes in the fixed slot, and limit spanner sets up with the terminal surface parallel and level of slider post, and reset spring establishes between slider post and limit spanner, has the pre-compaction effect to limit spanner.
5. The bicycle fold latch mechanism according to claim 3, wherein: the lower extreme of limit wrench is outstanding downwards the setting of slider post, and the protruding part extends the setting to the one side of keeping away from the slider post, and limit wrench's lower extreme is equipped with the operation through-hole.
6. The bicycle fold latch mechanism according to claim 3, wherein: the locating bulge is arranged in the middle of the limiting wrench, and extends downwards to one side of the quick-release guide rail seat, and the locating bulge passes through the clearance hole in the slide block column to be matched with the locating groove in the quick-release guide rail seat to form a clamping tenon structure.
7. The bicycle fold latch mechanism according to claim 1, wherein: the lower extreme of slider post is equipped with the counter bore, is equipped with the set screw in the counter bore, and fixed slider post and lower standpipe, set screw and spacing spanner noninterference.
8. The bicycle fold latch mechanism according to claim 1, wherein: the position that quick detach guide rail seat and slider post correspond is equipped with the U-shaped groove, and the slider post is established at the U-shaped inslot, and the sliding tray of vertical setting about the both sides of U-shaped groove all are equipped with, and the slider post is detachable fixed through the relative quick detach guide rail seat of guide rail screw that upper end both sides set up to make the relative quick detach guide rail seat of slider post slide from top to bottom.
9. The bicycle fold latch mechanism according to claim 1, wherein: quick detach guide rail seat is unilateral open structure, restraints young subassembly and still includes restrainting young screw, restraints young screw and passes the open end of quick detach guide rail seat and link to each other with the center pin, is equipped with eccentric settings's quick detach spanner on the center pin, through opening and shutting of quick detach spanner, opens or compels tight quick detach guide rail seat to make and go up the standpipe and switch under opening and locking state.
10. The bicycle fold latch mechanism according to claim 9, wherein: the tightening assembly further comprises an iron shoe-shaped pad and a plastic shoe-shaped pad, and the iron shoe-shaped pad and the plastic shoe-shaped pad are arranged between the quick-release wrench and the quick-release guide rail seat to prevent the quick-release wrench from loosening under the closed rotary table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110373656.8A CN112896400A (en) | 2021-04-07 | 2021-04-07 | Folding locking mechanism for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110373656.8A CN112896400A (en) | 2021-04-07 | 2021-04-07 | Folding locking mechanism for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112896400A true CN112896400A (en) | 2021-06-04 |
Family
ID=76110151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110373656.8A Pending CN112896400A (en) | 2021-04-07 | 2021-04-07 | Folding locking mechanism for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112896400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501072A (en) * | 2021-07-26 | 2021-10-15 | 浙江波速尔运动器械有限公司 | Folding mechanism and folding scooter applying same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090057505A1 (en) * | 2007-08-27 | 2009-03-05 | Chao-Hu Chen | Foldable stand tube |
| CN102085896A (en) * | 2011-01-19 | 2011-06-08 | 太仓市车中宝休闲用品有限公司 | Taper sleeve type locking structure folding handle vertical pipe |
| CN202243871U (en) * | 2011-09-01 | 2012-05-30 | 袁开靖 | Safe fast-demounting plug-pull folder |
| CN214565932U (en) * | 2021-04-07 | 2021-11-02 | 江苏喜富德金属制品有限公司 | Folding locking mechanism for bicycle |
-
2021
- 2021-04-07 CN CN202110373656.8A patent/CN112896400A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090057505A1 (en) * | 2007-08-27 | 2009-03-05 | Chao-Hu Chen | Foldable stand tube |
| CN102085896A (en) * | 2011-01-19 | 2011-06-08 | 太仓市车中宝休闲用品有限公司 | Taper sleeve type locking structure folding handle vertical pipe |
| CN202243871U (en) * | 2011-09-01 | 2012-05-30 | 袁开靖 | Safe fast-demounting plug-pull folder |
| CN214565932U (en) * | 2021-04-07 | 2021-11-02 | 江苏喜富德金属制品有限公司 | Folding locking mechanism for bicycle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501072A (en) * | 2021-07-26 | 2021-10-15 | 浙江波速尔运动器械有限公司 | Folding mechanism and folding scooter applying same |
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