Frame locking device of folding bicycle and frame

Abstract

The frame locking device of the folding bicycle comprises a first frame rod piece and a second frame rod piece, one end of the first frame rod piece is connected with one end of the second frame rod piece in a hinged mode through a hinge shaft structure, and the other end of the first frame rod piece is connected with the other end of the second frame rod piece through a plug pin structure. The first frame rod piece and the second frame rod piece are in a locking state or an unlocking state; the bicycle frame comprises a bicycle frame body and a wheel fork, and the bicycle frame body and the wheel fork are connected through the bicycle frame locking device of the folding bicycle. The frame locking device of the folding bicycle and the frame have the advantages of being simple in structure, convenient to operate, capable of saving time and labor and good in use convenience.

Description

TECHNICAL FIELD

[0001] The utility model relates to folding bicycle technical field, concretely relates to a folding bicycle's frame locking device and frame. BACKGROUND

[0002] The bicycle is also called the bicycle, can not only be used as the traffic tool to walk to go out, also can be used as the fitness equipment to ride and exercise, wherein the folding bicycle can change the volume through folding, let the user can easily store the bicycle in the room or put into the car trunk, however, the locking structure of the prior art folding bicycle is more complex, makes the operation of folding and unfolding become cumbersome, and the use convenience is poor. SUMMARY

[0003] The utility model solves the technical problem that the prior art exists, provides a folding bicycle's frame locking device and frame, simple structure, convenient operation, save time and effort, and the use convenience is good.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme:

[0005] A folding bicycle's frame locking device, including first frame rod piece and second frame rod piece, first frame rod piece with the second frame rod piece one end is connected through the hinge shaft structure, first frame rod piece with the second frame rod piece the other end is connected through the bolt structure, to make first frame rod piece with the second frame rod piece between keep locking state or release locking state.

[0006] As the further improvement of the above technical scheme:

[0007] The bolt structure includes the mounting seat arranged on the first frame rod piece and the plug-in seat arranged on the second frame rod piece, the mounting seat is equipped with the sleeve, the plug-in hole is arranged on the plug-in seat, the plug-in hole is used for the plug-in rod to pass through, the plug-in rod is provided with the limiting plate, the plug-in rod is equipped with the reset spring, one end of the reset spring is in abutment with the sleeve, the other end is in abututment with the limiting plate.

[0008] The hinge shaft structure includes the first hinge seat arranged on the first frame rod piece, the second hinge seat arranged on the second frame rod piece and the hinge shaft, the hinge shaft is arranged between the first hinge seat and the second hinge seat.

[0009] The mounting seat and the plug-in seat are further provided with quick release structure, the quick release structure includes the mounting hole arranged on the mounting seat, the empty slot arranged on the plug-in seat and the quick release type pipe clamp, the quick release type pipe clamp is arranged between the mounting hole and the empty slot.

[0010] A frame comprises a frame body and a wheel fork, and the frame body and the wheel fork are connected through the frame locking device of the folding bicycle.

[0011] As a further improvement of the above technical solution:

[0012] The wheel fork comprises a front wheel fork and / or a rear wheel fork, the first frame rod member is arranged on the frame body, and the second frame rod member is arranged on the wheel fork.

[0013] Compared with the prior art, the frame locking device of the folding bicycle has the advantages that:

[0014] The frame locking device of the folding bicycle comprises a first frame rod member and a second frame rod member, the first frame rod member and the second frame rod member are connected through a hinge shaft structure in a hinged manner to realize folding and unfolding functions, and the first frame rod member and the second frame rod member are connected through a bolt structure at an end away from the hinge shaft structure to realize the functions of maintaining a locked state and releasing the locked state, so that the structure is stable, the safety hazard of loosening caused by vibration during riding can be avoided, safety is good, the bolt structure has the advantages of simple structure, simple and convenient plug-in operation, time and labor saving, and good use convenience; the frame comprises a frame body and a wheel fork, the first frame rod member is part of the frame body or the wheel fork, the second frame rod member is part of the wheel fork or the frame body, the rear wheel folding and / or the front wheel folding of the frame can be realized, the use flexibility is high, and the application range is wide. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the frame locking device in an unfolded state.

[0016] Figure 2 It is a structure schematic view of the frame locking device in a folded state.

[0017] Figure 3 It is a structure schematic view of the bolt structure.

[0018] Figure 4 It is a split schematic view of the frame locking device.

[0019] Figure 5 It is a structure schematic view of the frame applying the frame locking device.

[0020] LEGEND:

[0021] 100, frame body; 200, wheel fork; 1, first frame rod; 2, second frame rod; 3, hinge structure; 301, first hinge seat; 302, second hinge seat; 303, hinge shaft; 4, bolt structure; 401, mounting seat; 402, insertion seat; 403, sleeve; 404, bolt rod; 4041, limiting plate; 405, return spring; 406, insertion hole; 5, quick release structure; 501, mounting hole; 502, clearance groove; 503, quick release pipe clamp. DETAILED DESCRIPTION

[0022] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0023] As Figures 1 to 4 shown, the folding bicycle frame locking device of the embodiment includes a first frame rod 1 and a second frame rod 2, one end of the first frame rod 1 and the second frame rod 2 is connected by hinge structure 3, the other end of the first frame rod 1 and the second frame rod 2 is connected by bolt structure 4, so that the first frame rod 1 and the second frame rod 2 remain locked state or unlocked state. The folding bicycle frame locking device includes a first frame rod 1 and a second frame rod 2, the first frame rod 1 and the second frame rod 2 are connected by hinge structure 3, to realize folding and unfolding function, the first frame rod 1 and the second frame rod 2 are connected by bolt structure 4 at the end away from the hinge structure 3, to realize the function of keeping locked state and unlocking state, the structure has good stability, can avoid the security risk of loosening caused by vibration in the process of riding, and has good safety.

[0024] Preferably, the bolt structure 4 includes a mounting seat 401 provided on the first frame rod 1 and an insertion seat 402 provided on the second frame rod 2, the mounting seat 401 is provided with a sleeve 403, the bolt rod 404 is provided in the sleeve 403, the bolt rod 404 has a limiting plate 4041, the return spring 405 is sleeved on the bolt rod 404, one end of the return spring 405 abuts against the sleeve 403, the other end abuts against the limiting plate 4041, the insertion seat 402 is provided with an insertion hole 406 for the bolt rod 404 to pass through. In the embodiment, as Figure 3 and Figure 4As shown, before folding, the pin rod 404 is pulled upward, the limiting plate 4041 on the pin rod 404 compresses the reset spring 405, the end of the pin rod 404 moves upward and exits the insertion hole 406, at this time the first frame rod 1 and the second frame rod 2 are unlocked, and the user can fold; when unfolding, the pin rod 404 is pulled upward, the limiting plate 4041 on the pin rod 404 compresses the reset spring 405, the end of the pin rod 404 moves upward to avoid the movement of the insertion seat 402, when the insertion hole 406 moves to the lower side of the pin rod 404, the pin rod 404 is released, and the elastic deformation of the reset spring 405 drives the end of the pin rod 404 to move downward and insert into the insertion hole 406, at this time the first frame rod 1 and the second frame rod 2 are locked, and the user can ride in the unfolded state. The pin structure 4 has the advantages of simple structure, simple and convenient plugging operation, time and labor saving, and good use convenience.

[0025] Preferably, the hinge shaft structure 3 includes a first hinge seat 301 arranged on the first frame rod 1, a second hinge seat 302 arranged on the second frame rod 2, and a hinge shaft 303 arranged between the first hinge seat 301 and the second hinge seat 302. The structure is simple, convenient and fast to install and disassemble, and easy to maintain.

[0026] Preferably, the mounting seat 401 and the insertion seat 402 are further provided with a quick release structure 5, the quick release structure 5 includes a mounting hole 501 arranged on the mounting seat 401, an avoidance slot 502 arranged on the insertion seat 402, and a quick release pipe clamp 503 arranged between the mounting hole 501 and the avoidance slot 502. In this embodiment, the quick release pipe clamp 503 is a device commonly seen on bicycles that is locked or unlocked by a wrench. Before folding, the wrench of the quick release pipe clamp 503 is opened, and then the pin rod 404 is pulled upward, at this time the first frame rod 1 and the second frame rod 2 are unlocked, and the user can fold; when unfolding, the insertion seat 402 passes through the quick release pipe clamp 503 through the avoidance slot 502, the pin rod 404 is released, and the wrench is closed to lock, at this time the first frame rod 1 and the second frame rod 2 are locked, and the user can ride in the unfolded state. The quick release structure 5 as a second locking structure can further improve the connection stability between the first frame rod 1 and the second frame rod 2.

[0027] As shown in the drawings, Figure 5As shown, the frame of the embodiment comprises a frame body 100 and a wheel fork 200, the frame body 100 and the wheel fork 200 are connected through the folding bicycle frame locking device, the first frame rod 1 is part of the frame body 100 or the wheel fork 200, the second frame rod 2 is part of the wheel fork 200 or the frame body 100, the rear wheel folding and / or the front wheel folding of the frame can be realized, the flexibility of use is high, and the application range is wide.

[0028] Preferably, the wheel fork 200 comprises a front wheel fork and / or a rear wheel fork, the first frame rod 1 is arranged on the frame body 100, and the second frame rod 2 is arranged on the wheel fork 200. In the embodiment, the wheel fork 200 comprises a rear wheel fork, the rod on the frame body 100 is taken as the first frame rod 1, and the rod on the rear wheel fork is taken as the second frame rod 2, so that when folding, the rear wheel fork and the rear wheel can be folded at the bottom of the frame body 100, and the storage is convenient; in other embodiments, the wheel fork comprises a front wheel fork, so that when folding, the front wheel fork and the front wheel can be folded at the bottom of the frame body 100, and the wheel fork 200 can also simultaneously comprise the front wheel fork and the rear wheel fork, so that when folding, the front wheel fork and the front wheel and the rear wheel fork and the rear wheel can be folded at the bottom of the frame body 100, the structure is more compact, and the occupied space is smaller.

[0029] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments. For those skilled in the art, the improvements and changes obtained without departing from the technical concept of the present application should also be considered as the protection scope of the present application.

Claims

1. A folding bicycle frame locking device, characterized in that, The first frame rod (1) and the second frame rod (2) are hingedly connected through a hinge shaft structure (3) at one end of the first frame rod (1) and the second frame rod (2), and are connected through a bolt structure (4) at the other end of the first frame rod (1) and the second frame rod (2), so that the first frame rod (1) and the second frame rod (2) are kept in a locked state or an unlocked state.

2. The folding bicycle frame locking device according to claim 1, wherein The bolt structure (4) comprises a mounting seat (401) arranged on the first frame rod (1) and a plug-in seat (402) arranged on the second frame rod (2), the mounting seat (401) is provided with a sleeve (403), the sleeve (403) is provided with a bolt rod (404) penetrating therein, the bolt rod (404) is provided with a limiting plate (4041), the bolt rod (404) is provided with a reset spring (405), one end of the reset spring (405) abuts against the sleeve (403), and the other end of the reset spring (405) abuts against the limiting plate (4041), the plug-in seat (402) is provided with a plug-in hole (406) through which the bolt rod (404) penetrates.

3. The folding bicycle frame locking device according to claim 2, wherein The hinge shaft structure (3) comprises a first hinge seat (301) arranged on the first frame rod (1), a second hinge seat (302) arranged on the second frame rod (2), and a hinge shaft (303) penetrating between the first hinge seat (301) and the second hinge seat (302).

4. The folding bicycle frame locking device according to claim 2, wherein The mounting seat (401) and the plug-in seat (402) are further provided with a quick release structure (5), the quick release structure (5) comprises a mounting hole (501) arranged on the mounting seat (401), an empty slot (502) arranged on the plug-in seat (402), and a quick release pipe clamp (503) penetrating between the mounting hole (501) and the empty slot (502).

5. A vehicle frame, characterized by The frame body (100) and the wheel fork (200) are connected through the folding bicycle frame locking device of any one of claims 1 to 4.

6. The frame of claim 5, wherein, The wheel fork (200) comprises a front wheel fork and / or a rear wheel fork, the first frame rod (1) is arranged on the frame body (100), and the second frame rod (2) is arranged on the wheel fork (200).

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