CN211893516U - Locking mechanism and folding bicycle - Google Patents
Locking mechanism and folding bicycle Download PDFInfo
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- CN211893516U CN211893516U CN202020111036.8U CN202020111036U CN211893516U CN 211893516 U CN211893516 U CN 211893516U CN 202020111036 U CN202020111036 U CN 202020111036U CN 211893516 U CN211893516 U CN 211893516U
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- locking mechanism
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- frame
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- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a locking mechanism and folding bicycle to solve the technical problem that current folding joint design may be opened because of the vibration. The locking mechanism comprises a locking part, a locking block and a mounting shell; the locking part is used for being connected to the frame, and the mounting shell is connected to the handle; the locking block is arranged on the mounting shell and can slide towards the direction close to or far away from the locking part so as to be clamped or disconnected with the locking part. The folding bicycle comprises a frame, a handle and the locking mechanism; the locking part is arranged on the frame, and the mounting shell is connected to the handle. The utility model discloses can prevent that folding joint structure from vibrating and opening, eliminate the potential safety hazard of the user in-process of riding.
Description
Technical Field
The utility model belongs to the technical field of folding bicycle technique and specifically relates to a locking mechanism and folding bicycle are related to.
Background
The folding bicycle or the folding electric bicycle can be unfolded when in use and can be folded when not in use, the folded bicycle or the electric bicycle occupies a small space and can be brought into an office, a trunk of an automobile and the like, and the folding bicycle or the folding electric bicycle becomes a better choice for office workers and designated drivers.
When the folding bicycle or the folding electric bicycle is folded, the folding bicycle or the folding electric bicycle usually needs to be folded at the positions of the vertical pipe, the cross beam and the like, so that the folding joint structure is arranged on the vertical pipe and the cross beam of the existing folding bicycle or the folding electric bicycle, and the folding bicycle or the folding electric bicycle is unfolded and folded by rotating the handle of the folding joint structure. The user is when riding folding bicycle or folding electric bicycle for the frame can produce the vibration, and folding joint design may be opened because of the vibration, brings the potential safety hazard for riding.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking mechanism and folding bicycle to solve the technical problem that current folding joint design may be opened because of the vibration.
In a first aspect, the present invention provides a locking mechanism, which comprises a locking portion, a locking block and a mounting shell;
the locking part is used for being connected to a frame, and the mounting shell is connected to the handle;
the locking block is arranged on the mounting shell and can slide towards the direction close to or far away from the locking part so as to be clamped or disconnected with the locking part.
As a further aspect of the first aspect of the present invention, the locking mechanism further includes a spring, one end of the spring is connected to the locking block, and the other end is connected to the mounting shell, which is used for applying the elastic force of the directional locking portion to the locking block.
As a further aspect of the first aspect of the present invention, the locking block includes an operation portion, a connection portion, and a first engaging portion;
the connecting part is positioned in the mounting shell and can slide in the mounting shell;
the operating part is positioned on one side of the mounting shell, which is far away from the frame, and is connected with the connecting part;
the first clamping portion is located on one side, facing the frame, of the installation shell and connected with the connecting portion.
As a further proposal of the first aspect of the present invention, a fixing hole is provided on a side of the connecting portion away from the locking portion, and the inner diameter of the fixing hole is equal to the outer diameter of the spring;
the end part of the spring extends into the fixing hole and is tightly propped against the bottom wall of the fixing hole.
As a further aspect of the first aspect of the present invention, the locking portion includes a hook, and an opening of the hook faces the locking block.
As a further aspect of the first aspect of the present invention, the locking block includes a sliding portion and a second engaging portion connected to each other;
the sliding part is connected with the mounting shell in a sliding manner;
second joint portion is the form of buckling, the one end orientation of second joint portion locking portion can with locking portion joint, the other end is followed one side that deviates from the frame of installation shell stretches out.
As a further solution of the first aspect of the present invention, a sliding long hole is formed in a side surface of the mounting shell, and sliding protrusions are provided on both sides of the sliding portion;
the sliding protrusion extends into the sliding long hole and can slide in the direction close to or far away from the locking part in the sliding long hole.
As a further aspect of the present invention, the second joint portion deviates from the side of the locking block is provided with a fixing column, and the end of the spring is fitted over the fixing column.
As a further aspect of the first aspect of the present invention, the locking portion includes a clamping bolt.
In a second aspect, the present invention further provides a foldable bicycle, which comprises a frame, a handle and the above-mentioned locking mechanism;
the locking part is arranged on the frame, and the mounting shell is connected to the handle.
Technical scheme more than combining, the utility model discloses the beneficial effect analysis of bringing is as follows:
the utility model provides a locking mechanism, which comprises a locking part, a locking block and a mounting shell; the locking part is used for being connected with a frame, and the mounting shell is used for being connected with a handle; the locking block is arranged on the mounting shell and can slide towards the direction close to or far away from the locking part so as to be clamped or disconnected with the locking part. When folding bicycle or folding electric bicycle are when the expansion state, to the direction slip latch segment that is close to locking portion, make latch segment and locking portion joint, when the user rides, the handle all the time with connected to the frame, folding joint design can not be opened because of the vibration, has eliminated the potential safety hazard of user's in-process of riding. When needing to fold bicycle or electric bicycle, to keeping away from the direction slip latch segment of locking portion, make latch segment and locking portion disconnection, and then handle and frame break away from and be connected, bicycle or electric bicycle can be folding in folding joint design department.
The utility model also provides a folding bicycle, which comprises a frame, a handle and the locking mechanism; the locking part is arranged on the frame, and the mounting shell is connected to the handle. When the user is riding this folding bicycle, this folding bicycle's folding joint design can not be opened because of the vibration, has eliminated the potential safety hazard of user's in-process of riding.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view illustrating a first locking block connected to a handle according to an embodiment of the present invention;
fig. 2 is a front view of a first locking block connected to a handle according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;
fig. 4 is a schematic view of a part of a structure of a second locking block connected to a handle according to an embodiment of the present invention;
fig. 5 is a schematic view of a first structure of a locking mechanism according to an embodiment of the present invention;
fig. 6 is a schematic view of a second structure of the locking mechanism according to the embodiment of the present invention.
Icon: 10-a locking part; 20-a locking block; 21-an operating part; 22-a connecting part; 23-a first snap-in part; 24-a sliding portion; 241-sliding projection; 25-a second snap-in part; 30-mounting a housing; 31-sliding long hole; 40-a spring; 50-a handle; 60-vehicle frame.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
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; 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 in specific cases to those skilled in the art.
This embodiment provides a locking mechanism, please refer to fig. 1 to 6 in the drawings of the specification together.
The locking mechanism includes a locking portion 10, a locking block 20, and a mounting case 30. The locking block 20 is mounted to the mounting case 30, and the locking block 20 can slide in a direction toward or away from the locking part 10 to be engaged with or disengaged from the locking part 10. When the locking block 20 slides towards the direction close to the locking part 10, the locking block 20 is clamped with the locking part 10; when the locking block 20 is slid in a direction away from the locking part 10, the locking block 20 is disconnected from the locking part 10. When the locking mechanism is mounted to the foldable bicycle or the foldable electric bicycle, the locking portion 10 is coupled to the frame 60, and the mounting case 30 is coupled to the handle 50. Preferably, the mounting housing 30 is integrally connected to the handle 50.
When folding bicycle or folding electric bicycle are in the expansion state, to the direction slip latch segment 20 that is close to locking portion 10, make latch segment 20 and locking portion 10 joint, when the user rides, handle 50 is connected with frame 60 all the time, and folding joint design can not be opened because of the vibration, has eliminated the potential safety hazard of user's in-process of riding. When the bicycle or the electric bicycle needs to be folded, the locking block 20 is slid in a direction away from the locking part 10, so that the locking block 20 is disconnected from the locking part 10, the handle 50 is disconnected from the frame 60, and the bicycle or the electric bicycle can be folded at the folding joint structure.
As shown in fig. 3 and 4, the locking mechanism further includes a spring 40, wherein one end of the spring 40 is connected to the locking block 20, and the other end of the spring 40 is connected to the mounting case 30, for applying an elastic force directed to the locking portion 10 to the locking block 20. When the locking block 20 is clamped with the locking part 10, the locking block 20 is not easy to be separated from the locking part 10 due to the elasticity of the spring 40, and the locking block 20 is firmly clamped with the locking part 10. The springs 40 shown in fig. 3 and 4 are located on the side of the locking block 20 facing away from the locking portion 10, and the springs 40 are always in a compressed state. Of course, the spring 40 may be located on the side of the locking block 20 facing the locking portion 10, and the spring 40 should be in a stretched state all the time.
The specific structure of the locking block 20 may take a variety of forms. The embodiment shows two specific structures of the locking block 20, a first specific structure of the locking block 20 is shown in fig. 2, 3 and 5, and a second specific structure of the locking block 20 is shown in fig. 4 and 6.
In fig. 3 and 5, the locking block 20 includes an operating portion 21, a connecting portion 22, and a first catching portion 23. The connecting portion 22 is located in the mounting case 30, and the connecting portion 22 is slidable in the mounting case 30, specifically, the connecting portion 22 is slidable in a direction to approach or separate from the locking portion 10. The operation portion 21 is located on a side of the mounting case 30 facing away from the vehicle frame 60, and the operation portion 21 is connected to the connection portion 22. The first catching portion 23 is located on a side of the mounting case 30 facing the frame 60, and the first catching portion 23 is connected with the connecting portion 22. When the locking mechanism needs to be disconnected, so that the handle 50 is disconnected from the frame 60, the user pushes the operating portion 21 to move in a direction away from the locking portion 10, and the operating portion 21 drives the first engaging portion 23 to move away from the locking portion 10 through the connecting portion 22, so that the first engaging portion 23 is disconnected from the locking portion 10. When the handle 50 is connected to the frame 60, the user pushes the operating portion 21 to move away from the locking portion 10 and rotates the handle 50 toward the frame 60, and when the first engaging portion 23 is located at a position aligned with the locking portion 10, the operating portion 21 is released, and the spring 40 pushes the entire locking block 20 to move toward the locking portion 10 until the first engaging portion 23 engages with the locking portion 10.
The first clamping portion 23 is provided with an inclined surface at one end close to the locking portion 10, and the locking portion 10 can push the first clamping portion 23 to move towards the direction far away from the locking portion 10 through the inclined surface. The locking mechanism needs to be connected, so that when the handle 50 is connected with the frame 60, the handle 50 is rotated towards the direction close to the frame 60, the locking portion 10 firstly contacts with the inclined surface of the first clamping portion 23 and pushes the first clamping portion 23 to move towards the direction far away from the locking portion 10 through the inclined surface of the first clamping portion 23, after the locking portion 10 exceeds the first clamping portion 23, the spring 40 pushes the first clamping portion 23 to move towards the direction close to the locking portion 10, and then the first clamping portion 23 is clamped with the locking portion 10.
With continued reference to fig. 3 and 5, the side of the connecting portion 22 facing away from the locking portion 10 is provided with a fixing hole, and the inner diameter of the fixing hole is equal to the outer diameter of the spring 40. The end of the spring 40 extends into the fixing hole and abuts against the bottom wall of the fixing hole. The fixing hole fixes the end of the spring 40, so that the spring 40 is connected to the connecting portion 22, and also guides the deformation direction of the spring 40. Of course, the spring 40 and the connecting portion 22 can also be connected in other ways, for example, the end of the spring 40 is welded directly to the side of the connecting portion 22 facing away from the locking portion 10.
With continued reference to fig. 3 and 5, the outer side of the operating portion 21 is provided with a recess. When the user pushes the operation portion 21, the user can put fingers into the recess to push the operation portion 21, and the user can apply an acting force to the operation portion 21 conveniently. The inner side surface of the recess may be provided with a friction projection or a friction pattern to increase the friction between the operation part 21 and the finger and prevent the finger from slipping on the operation part 21.
As shown in fig. 5, the locking portion 10 includes a hook, and an opening of the hook faces the locking block 20. The locking block 20 is clamped after extending into the hook, and the locking block 20 is disconnected after retreating from the hook.
In fig. 4 and 6, the locking block 20 includes a slide portion 24 and a second catching portion 25 connected to each other. Fig. 4 and 6 show that screw holes are provided in both the slide portion 24 and the second click portion 25, and the slide portion 24 and the second click portion 25 are connected by using screws. Of course, the sliding portion 24 and the second engaging portion 25 may be connected by welding, riveting, or the like. The sliding portion 24 is slidably coupled to the mounting case 30, and the sliding portion 24 is slidable in the mounting case 30 in a direction toward or away from the locking portion 10. Second joint portion 25 is the form of buckling, and the one end of second joint portion 25 is towards locking portion 10 and can with locking portion 10 joint, and the other end of second joint portion 25 stretches out from the one side that deviates from frame 60 of installation shell 30. The locking mechanism needs to be disconnected, so that when the handle 50 is disconnected from the frame 60, the user pushes the end portion of the second clamping portion 25 extending from the side of the mounting shell 30 away from the frame 60, so that the second clamping portion 25 and the sliding portion 24 slide in the direction away from the locking portion 10, and the locking portion 10 and the second clamping portion 25 are gradually disconnected. Need be connected second joint portion 25 with locking portion 10, so that when handle 50 is connected with frame 60, the user promotes the tip that second joint portion 25 stretches out from the frame 60 one side that deviates from of installation shell 30, make second joint portion 25 and sliding part 24 to the direction of keeping away from locking portion 10 slide, rotate handle 50 to the direction that is close to frame 60 simultaneously, when the one end of second joint portion 25 was aligned with locking portion 10, release second joint portion 25, spring 40 promotes whole latch segment 20 and moves until second joint portion 25 and locking portion 10 joint to the direction that is close to locking portion 10.
The second clamping portion 25 is provided with an inclined surface at one end close to the locking portion 10, and the locking portion 10 can push the second clamping portion 25 to move towards the direction far away from the locking portion 10 through the inclined surface. It is necessary to connect this locking mechanism, so that when the handle 50 is connected to the frame 60, the handle 50 is rotated to the direction close to the frame 60, the locking portion 10 firstly contacts with the inclined plane of the second engaging portion 25 and pushes the second engaging portion 25 to move to the direction far away from the locking portion 10 through the inclined plane of the second engaging portion 25, after the locking portion 10 exceeds the second engaging portion 25, the spring 40 pushes the second engaging portion 25 to move to the direction close to the locking portion 10, and then the second engaging portion 25 is engaged with the locking portion 10.
Referring to fig. 4, the side surface of the mounting case 30 is formed with a long sliding hole 31, and both sides of the sliding portion 24 are formed with sliding protrusions 241. The slide projection 241 protrudes into the slide long hole 31, and the slider can slide in the slide long hole 31 in a direction to approach or separate from the lock portion 10. The slide long hole 31 is engaged with the slide projection 241 so that the slide portion 24 can slide in the mounting case 30. Of course, fig. 4 shows only one specific implementation manner of slidably connecting the sliding portion 24 to the mounting shell 30, and other structures may also be used to slidably connect the sliding portion 24 and the mounting shell 30, for example, a sliding long groove is formed on the sliding portion 24, and a sliding guide rail is provided on the inner side of the mounting shell 30, and the sliding guide rail extends into the sliding long groove.
The side that deviates from latch segment 20 of second joint portion 25 is provided with the fixed column, and the tip suit of spring 40 is at the fixed column, and the fixed column is with the end fixing of spring 40, has realized being connected of spring 40 and second joint portion 25, also plays the guide effect to spring 40 deformation direction. Of course, the spring 40 and the second clip portion 25 can also be connected in other ways, such as welding the end of the spring 40 directly to the side of the second clip portion 25 facing away from the locking portion 10.
The locking portion 10 comprises a snap bolt. Specifically, a threaded hole is formed in the frame 60, and the front end of the clamping bolt is matched with the threaded hole in the frame 60. After the locking block 20 extends into the inner side of the head of the clamping screw, the locking block 20 is clamped with the clamping screw; after the locking block 20 is withdrawn from the inner side of the head of the clamping screw, the locking block 20 is disconnected from the clamping screw.
The embodiment also provides the folding bicycle.
The folding bicycle includes a frame 60, a handlebar 50 and the locking mechanism described above. The locking portion 10 is provided to the frame 60, and the mounting case 30 is coupled to the handle 50.
When the user is riding this folding bicycle, this folding bicycle's folding joint design can not be opened because of the vibration, has eliminated the potential safety hazard of user's in-process of riding.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. A locking mechanism is characterized by comprising a locking part (10), a locking block (20) and a mounting shell (30);
the locking part (10) is used for being connected to a vehicle frame (60), and the mounting shell (30) is connected to a handle (50);
the locking block (20) is arranged on the mounting shell (30) and can slide towards the direction close to or far away from the locking part (10) so as to be clamped or disconnected with the locking part (10).
2. The locking mechanism according to claim 1, further comprising a spring (40), wherein one end of the spring (40) is connected to the locking block (20) and the other end is connected to the mounting housing (30) for applying an elastic force directed to the locking portion (10) to the locking block (20).
3. The locking mechanism according to claim 2, wherein the locking block (20) comprises an operating portion (21), a connecting portion (22) and a first snap-in portion (23);
the connecting part (22) is positioned in the mounting shell (30) and can slide in the mounting shell (30);
the operating part (21) is positioned on one side of the mounting shell (30) which is far away from the vehicle frame (60) and is connected with the connecting part (22);
the first clamping portion (23) is located on one side, facing the frame (60), of the mounting shell (30) and connected with the connecting portion (22).
4. The locking mechanism according to claim 3, characterized in that the side of the connecting part (22) facing away from the locking part (10) is provided with a fixing hole, the inner diameter of the fixing hole being equal to the outer diameter of the spring (40);
the end part of the spring (40) extends into the fixing hole and is tightly propped against the bottom wall of the fixing hole.
5. Locking mechanism according to any of claims 1-4, characterized in that the locking part (10) comprises a hook, the opening of which is directed towards the locking piece (20).
6. Locking mechanism according to claim 2, characterized in that the locking piece (20) comprises a sliding portion (24) and a second snap-in portion (25) connected to each other;
the sliding part (24) is connected with the mounting shell (30) in a sliding way;
second joint portion (25) are the form of buckling, the one end orientation of second joint portion (25) locking portion (10) and can with locking portion (10) joint, the other end is followed one side that deviates from frame (60) of installation shell (30) stretches out.
7. The locking mechanism according to claim 6, wherein a sliding long hole (31) is formed in a side surface of the mounting shell (30), and sliding protrusions (241) are provided on both sides of the sliding portion (24);
the sliding protrusion (241) extends into the sliding long hole (31) and can slide in the direction approaching or departing from the locking part (10) in the sliding long hole (31).
8. The locking mechanism according to claim 6, wherein a fixing post is arranged on a side of the second clamping portion (25) facing away from the locking block (20), and an end of the spring (40) is sleeved on the fixing post.
9. Locking mechanism according to any of claims 6-8, characterized in that the locking part (10) comprises a snap bolt.
10. A folding bicycle, characterized in that it comprises a frame (60), a handlebar (50) and a locking mechanism according to any one of claims 1 to 9;
the locking part (10) is arranged on the frame (60), and the mounting shell (30) is connected to the handle (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020111036.8U CN211893516U (en) | 2020-01-17 | 2020-01-17 | Locking mechanism and folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020111036.8U CN211893516U (en) | 2020-01-17 | 2020-01-17 | Locking mechanism and folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211893516U true CN211893516U (en) | 2020-11-10 |
Family
ID=73302881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020111036.8U Active CN211893516U (en) | 2020-01-17 | 2020-01-17 | Locking mechanism and folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211893516U (en) |
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2020
- 2020-01-17 CN CN202020111036.8U patent/CN211893516U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: 301600 No. 12, Taibo South Road, South District, Jinghai Economic Development Zone, Jinghai District, Tianjin Patentee after: Tianjin Spozman Technology Co.,Ltd. Country or region after: China Address before: 301600 No.7, Emma Road, South District, Jinghai Economic Development Zone, Jinghai District, Tianjin Patentee before: Tianjin Tianli Electric Bicycle Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |