CN214165203U - Frame folding device and bicycle - Google Patents
Frame folding device and bicycle Download PDFInfo
- Publication number
- CN214165203U CN214165203U CN202023054442.4U CN202023054442U CN214165203U CN 214165203 U CN214165203 U CN 214165203U CN 202023054442 U CN202023054442 U CN 202023054442U CN 214165203 U CN214165203 U CN 214165203U
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- frame
- locking
- cavity
- fastening member
- fitting
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Abstract
The utility model discloses a frame folding device and a bicycle, which comprises a first frame, a second frame, a locking component and a locking fitting piece; the first frame is rotatably connected with the second frame, and the locking assembly and the locking fitting are matched with each other to realize locking or unlocking; a cavity is formed in one end, close to the second frame, of the first frame, the locking assembly is arranged on the first frame, the locking assembly is located in the cavity, and the locking fitting piece is arranged on the second frame; when the first frame and the second frame are rotated to be close to each other, the locking assembly and the locking fitting piece are locked with each other, so that locking between the first frame and the second frame is achieved, and at the moment, the locking fitting piece is located in the cavity. The utility model discloses a folding device can hide, makes the frame outward appearance more succinct.
Description
Technical Field
The utility model relates to a bicycle field, more specifically relates to frame folding device and bicycle.
Background
The folding bicycle comprises a frame folding structure, and the front and the rear wheels are folded together through frame folding, so that the length can be reduced by about 45%.
The folding structure of the existing bicycle frame is positioned outside the frame, so that the appearance structure of the frame is complex and not simple enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect that prior art exists, provide a hidden frame folding device and bicycle.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a frame folding device is characterized by comprising a first frame, a second frame, a locking assembly and a locking fitting piece;
the first frame is rotatably connected with the second frame, and the locking assembly and the locking fitting are matched with each other to realize locking or unlocking;
a cavity is formed in one end, close to the second frame, of the first frame, the locking assembly is arranged on the first frame, the locking assembly is located in the cavity, and the locking fitting piece is arranged on the second frame;
when the first frame and the second frame are rotated to be close to each other, the locking assembly and the locking fitting piece are locked with each other, so that locking between the first frame and the second frame is achieved, and at the moment, the locking fitting piece is located in the cavity.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
the embodiment of the utility model provides a through setting up the locking subassembly in the cavity of first frame, when first frame and second frame locking, locking subassembly and locking fitting piece all hold in the cavity, are hidden inside the frame promptly, make the frame outward appearance succinct.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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.
Wherein:
fig. 1 is a schematic structural diagram of a frame folding device according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of a locking assembly according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of the locking assembly and locking engagement member of fig. 2 in combination.
Fig. 4 is a schematic view of the locking assembly and locking engagement member of fig. 3 in combination.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention discloses a frame folding device, which comprises a first frame 10, a second frame 20, a locking assembly 30 and a locking fitting 40; the end of the first frame 10 is rotatably connected to the end of the second frame 20 via the rotating shaft 11, and the lock assembly 30 and the lock fitting 40 are engaged with each other to achieve locking or unlocking. When the locking assembly 30 and the locking fitting 40 are locked, the first frame 10 and the second frame 20 are connected end to form a frame with a longer unfolding length, and when the locking assembly 30 and the locking fitting 40 are unfolded, the first frame 10 and the second frame 20 can be folded to reduce the length of the frame, in the embodiment, when the first frame 10 and the second frame 20 are folded, the front and the rear wheels of the bicycle are folded together.
The end of the first frame 10 close to the second frame 20 is provided with a cavity 12, the locking assembly 30 is arranged on the first frame 10, the locking assembly 30 is positioned in the cavity 12, and the locking fitting 40 is arranged on the second frame 20; when the first frame 10 and the second frame 20 are rotated to approach each other, the locking assembly 30 and the locking fitting 40 are locked to each other, so that the locking between the first frame 10 and the second frame 20 is achieved, and at this time, the locking fitting 40 is located in the cavity 12. Because the lock fitting 40 and the lock assembly 30 are both located in the cavity 12 when locked, i.e. hidden inside the first frame 10, the appearance of the first frame 10 is more compact.
Referring to fig. 2 to 4, specifically, the locking assembly 30 includes a first connecting member 31 disposed in the cavity 12, a fastening member 32 disposed in the cavity 12, a locking operation member 33 located outside the first frame 10, and a second connecting member 34 penetrating the first frame 10 and connecting the fastening member 32 and the locking operation member 33, the locking operation member 33 is operated to connect the fastening member 32 with the first connecting member 31 and the locking mating member 40, so as to lock the first frame 10 and the second frame 20, the first connecting member 31, the locking mating member 40, and the fastening member 32 are all hidden in the cavity 12, and only the locking operation member 33 is disposed outside the first frame 10, so that the appearance of the frame is more concise.
Referring to fig. 2 to 4, in an embodiment, the fastening member 32 connects the first connecting member 31 and the locking fitting 40 in a plugging manner, that is, connects or releases the first connecting member 31 and the locking fitting 40 in a plugging or pulling manner, so that the first frame 10 and the second frame 20 can be unlocked or folded more quickly and conveniently, and the user experience is improved.
Referring to fig. 2 to 4, in the plugged connection mode, in an embodiment, the locking assembly 30 further includes an elastic member 35 connected to the fastening member 32, the elastic member 35 is disposed in the cavity 12, and the elastic member 35 can provide an elastic force to the fastening member 32 along the plugging direction thereof. When the locking operation member 33 is pulled in a direction away from the first frame 10, that is, the locking operation member 33 is pulled outwards in the plugging direction, the locking operation member 33 drives the fastening member 32 to release the first connecting member 31 and the locking mating member 40, the first connecting member 31 and the locking mating member 40 are in an open state, at this time, the elastic member 35 is compressed, when the locking operation member 33 is released, the elastic member 35 provides elastic force to the fastening member 32, so that the fastening member 32 moves in the plugging direction, and returns to the original position, at this time, the fastening member 32 can connect the first connecting member 31 and the locking mating member 40, and the first connecting member 31 and the locking mating member 40 are in a locking state. The resilient member 35 allows the fastener 32 to remain locked without being pulled out, preventing the fastener 32 from being released.
When the fastener 32 is in the locked state, the elastic member 35 may or may not still provide an elastic force to the fastener 32, and when the elastic force is not provided, the elastic member 35 needs to be pressed when the fastener 32 moves from the locked state to the open state, and the elastic member 35 still needs to be overcome to release the elastic force.
Referring to fig. 2 to 4, in a plug-in connection manner, in an embodiment, the first connecting member 31 includes a first body 311 fixedly connected to the first frame 10, a receiving cavity 312 for receiving the elastic member 35 is provided in the first body 311, the first body 311 is further provided with a channel 313 for allowing the fastening member 32 to move back and forth along the plug-in direction of the first body, the receiving cavity 312 is communicated with the channel 313, one end of the fastening member 32 extends into the receiving cavity 312 to be connected with the elastic member 35, and one end of the fastening member 32 away from the elastic member 35 can extend out of the first body 311 from the channel 313 to be connected with the locking mating member 40. When the locking operation member 33 is pulled outward in the plugging direction, the end of the fastening member 32 remote from the elastic member 35 can be retracted in the channel 313, and when the locking operation member 33 is released, the elastic member 35 can eject the fastening member 32 along the channel 313 and extend out of the first body 311 to be connected with the locking mating member 40. Therefore, the fastening piece 32, the elastic piece 35 and the first connecting piece 31 are assembled into a whole, and can be integrally installed in the cavity 12, so that the assembly is convenient, and the production efficiency is improved.
In this embodiment, one end of the second connecting member 34 extends into the receiving cavity 312 through the first body 311 to connect with the fastening member 32, and the other end extends through the first frame 10 to connect with the locking operation member 33, when the locking operation member 33 is pulled away from the first frame 10, the elastic member 35 is compressed, the fastening member 32 is contracted to the passage 313, and the fastening member 32 can release the first connecting member 31 and the locking mating member 40, when the locking operation member 33 is released, the elastic member 35 provides elastic force to the fastening member 32, and the fastening member 32 extends out of the first body 311 from the passage 313 to connect with the locking mating member 40.
In this embodiment, the length of the accommodating cavity 312 is less than or equal to the length of the elastic member 35 when it is not compressed.
In this particular embodiment, the diameter of the second connector 34 is less than the diameter of the fastener 32.
In the plug-in connection mode, in a specific embodiment, an end of the fastening member 32 close to the elastic member 35 is provided with an outwardly extending flange 321, an outer dimension of the flange 321 is larger than a dimension of the channel 313, the flange 321 is located in the accommodating cavity 312, the elastic member 35 provides ejection elasticity for the fastening member 32, the flange 321 abuts against an inner wall of the accommodating cavity 312, and the flange 321 limits a length of the fastening member 32 extending out of the first body 311.
In the plug-in connection mode, in an embodiment, the lock fitting 40 includes a second body 41 fixedly connected to the second frame 20, the second body 41 is provided with a mounting hole 42 matched with the fastener 32, when the first frame 10 and the second frame 20 are opened, the second body 41 enters the cavity 12 and is stacked on top of the first body 311, the fastener 32 extends out of the first body 311 from the channel 313 and is inserted into the mounting hole 42, the first connecting member 31 is connected with the lock fitting 40, and the first frame 10 and the second frame 20 are locked in the opened state. When the lock operation member 33 is pulled out, the end of the fastening member 32 is retracted into the passage 313 away from the mounting hole 42, the first connecting member 31 is released from the lock engagement member 40, and the first frame 10 and the second frame 20 can be folded.
In the above embodiments, the elastic member 35 may be a spring or the like, the fastening member 32 may be a stopper pin or the like, and the lock operation member 33 may be a tab or the like.
In another possible embodiment, the fastener 32 may be further configured to threadably connect the first connector 31 to the locking engagement member 40, and rotation of the fastener 32 may be achieved by rotating the locking operation member 33. Specifically, the fastening member 32 may be a screw, and the first connecting member 31 and the locking fitting member 40 are provided with threaded holes matching with the screw.
The utility model also discloses a bicycle, including foretell frame folding device, it is concrete, can include the frame, the frame includes above-mentioned first frame 10 and above-mentioned second frame 20, and the front wheel is connected to the one end of keeping away from second frame 20 of first frame 10, and the rear wheel is connected to the one end of keeping away from first frame 10 of second frame 20, and when first frame 10 and second frame 20 were folded, the front wheel and the rear wheel of bicycle were rolled over, reduced the length of bicycle.
The above examples are merely illustrative of several embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A frame folding device is characterized by comprising a first frame, a second frame, a locking assembly and a locking fitting piece;
the first frame is rotatably connected with the second frame, and the locking assembly and the locking fitting are matched with each other to realize locking or unlocking;
a cavity is formed in one end, close to the second frame, of the first frame, the locking assembly is arranged on the first frame, the locking assembly is located in the cavity, and the locking fitting piece is arranged on the second frame;
when the first frame and the second frame are rotated to be close to each other, the locking assembly and the locking fitting piece are locked with each other, so that locking between the first frame and the second frame is achieved, and at the moment, the locking fitting piece is located in the cavity.
2. The frame folding apparatus according to claim 1, wherein the locking assembly includes a first connecting member, a fastening member and a locking operation member, the fastening member is fixedly connected to the locking operation member, the locking operation member is disposed on an outer side of the first frame, the first connecting member and the fastening member are both disposed in the cavity, and the locking operation member is operated to connect the fastening member to the locking mating member, so as to lock the first frame and the second frame.
3. The frame folding apparatus according to claim 2, wherein the fastener connects the first connecting member and the locking fitting by means of a plug-in connection.
4. The frame folding device according to claim 3, characterized in that the locking assembly further comprises an elastic member connected with the fastening member, the elastic member is disposed in the cavity, and the elastic member is capable of providing elastic force of the fastening member along the insertion direction of the fastening member.
5. The frame folding apparatus according to claim 4, wherein the first connecting member includes a first body fixedly connected to the first frame, the first body has a receiving cavity for receiving the elastic member therein, the first body further has a channel for the fastening member to move back and forth along the plugging direction, the receiving cavity is communicated with the channel, one end of the fastening member extends into the receiving cavity to connect with the elastic member, and one end of the fastening member, which is far away from the elastic member, extends out of the first body from the channel to connect with the locking fitting member.
6. The frame folding apparatus of claim 5, wherein said fastener is provided with an outwardly extending flange at an end thereof adjacent said resilient member, said flange being located within said receiving cavity, said flange having an outer profile dimension greater than a dimension of said channel.
7. The frame folding apparatus of claim 6, wherein said lock fitting includes a second body fixedly attached to said second frame, said second body having a mounting hole for engaging said fastener, said second body entering said cavity when said first frame is locked to said second frame, said fastener extending from said channel through said first body and into said mounting hole to connect said first connector to said lock fitting.
8. The frame folding device according to any one of claims 2 to 7, wherein the fastening member is a stopper pin, and the lock operation member is a tab.
9. The frame folding apparatus of claim 2, wherein said fastener threadedly connects said first connector to said locking fitting.
10. A bicycle comprising a frame folding device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023054442.4U CN214165203U (en) | 2020-12-17 | 2020-12-17 | Frame folding device and bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023054442.4U CN214165203U (en) | 2020-12-17 | 2020-12-17 | Frame folding device and bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214165203U true CN214165203U (en) | 2021-09-10 |
Family
ID=77606804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023054442.4U Active CN214165203U (en) | 2020-12-17 | 2020-12-17 | Frame folding device and bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214165203U (en) |
-
2020
- 2020-12-17 CN CN202023054442.4U patent/CN214165203U/en active Active
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