CN219969908U - Rear support structure of folding bicycle - Google Patents
Rear support structure of folding bicycle Download PDFInfo
- Publication number
- CN219969908U CN219969908U CN202321717064.4U CN202321717064U CN219969908U CN 219969908 U CN219969908 U CN 219969908U CN 202321717064 U CN202321717064 U CN 202321717064U CN 219969908 U CN219969908 U CN 219969908U
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- Prior art keywords
- right rear
- upper beam
- belt
- left rear
- folding bicycle
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- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
Abstract
Provides a rear bracket structure of a folding bicycle, which belongs to the technical field of bicycles. Comprises a left rear bracket and a right rear bracket; the left rear bracket is a tripod structure formed by connecting a left rear upper beam, a left rear lower beam and a left rear front beam, the rear end of the left rear upper beam is connected with the rear end of the left rear lower beam through a left tail hook, and the front end of the left rear lower beam is connected with the lower end of the left front beam through a left hinge seat; the right rear bracket is a tripod structure formed by connecting a right rear upper beam, a right rear lower beam and a right rear front beam, the rear end of the right rear upper beam is connected with the rear end of the right rear lower beam through a right tail hook, and the front end of the right rear lower beam is connected with the lower end of the right rear front beam through a right hinge seat; the upper ends of the left rear upper beam, the left rear front beam, the right rear upper beam and the right rear front beam are connected together through push wheel connecting pipes; the middle part of the right rear upper beam is provided with a detachable belt passing component which is convenient for the belt to pass through. The utility model solves the problem of belt installation of the folding bicycle rear fork bracket which simultaneously supports chain and belt transmission, and has simple structure and convenient operation.
Description
Technical Field
The utility model belongs to the technical field of bicycles, and particularly relates to a rear bracket structure of a folding bicycle.
Background
In modern life, bicycles are increasingly popular as green travel vehicles. Bicycles often include a rear frame to facilitate placement of items or people. Such as patent
CN200720097152.3 discloses a locking device for front and rear frames of a rotary folding bicycle, which comprises a rear frame seat stay, wherein the rear frame seat stay has a triangular structure, so that the rear frame is convenient to fold integrally. Existing folding bicycles are generally driven by chains or belts that need to pass over the rear frame when installed. For a folding bicycle rear fork bracket supporting both chain and belt drive, when the folding bicycle rear fork bracket is installed, the chain can be disconnected from a place and then passes over the rear bicycle frame, and then reinstallation is carried out. However, the installation of the belt is problematic because the entire belt cannot be cut off. Therefore, a folding bicycle rear frame which is convenient for installing a chain and a belt needs to be designed.
Disclosure of Invention
The utility model solves the technical problems that: the utility model provides a rear support structure of a folding bicycle, and aims to solve the problem of belt installation of a rear fork support of the folding bicycle, which supports chain and belt transmission simultaneously.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the folding bicycle rear bracket structure comprises a left rear bracket and a right rear bracket;
the left rear support is of a tripod structure formed by connecting a left rear upper beam, a left rear lower beam and a left rear front beam, the rear end of the left rear upper beam is connected with the rear end of the left rear lower beam through a left tail hook, and the front end of the left rear lower beam is connected with the lower end of the left front beam through a left hinge seat;
the right rear bracket is a tripod structure formed by connecting a right rear upper beam, a right rear lower beam and a right rear front beam, the rear end of the right rear upper beam is connected with the rear end of the right rear lower beam through a right tail hook, and the front end of the right rear lower beam is connected with the lower end of the right rear front beam through a right hinge seat;
the upper ends of the left rear upper beam, the left rear front beam, the right rear upper beam and the right rear front beam are connected together through push wheel connecting pipes;
the middle part of the right rear upper beam is provided with a detachable belt passing component which is convenient for the belt to pass through.
Further limiting the scheme, the detachable belt passing assembly comprises a belt installation notch formed by disconnecting the middle of the right rear upper beam, two ends of the belt installation notch are connected together through notch repair pieces, and two sides of the notch repair pieces are fixedly connected with the right rear upper beam at two sides of the belt installation notch through fasteners.
Further limiting the scheme, a left rear wheel An Zhuangwei hooking groove and a left screw adjusting hole are formed in the lower portion of the left tail hook, a left side belt tightness adjusting screw is screwed at the left tail hook position between the left rear wheel An Zhuangwei hooking groove and the left screw adjusting hole, and a disc brake clamp mounting hole I and a disc brake clamp mounting hole II are formed in the upper portion of the left tail hook;
the lower part of the right tail hook is provided with a right rear wheel An Zhuangwei hook groove and a right screw adjusting hole, and a right belt tightness adjusting screw is screwed at the right tail hook position between the right rear wheel An Zhuangwei hook groove and the right screw adjusting hole.
Further limiting the scheme, the left hinge seat is provided with a left hinge hole, and the right hinge seat is provided with a right hinge hole.
Further limiting the scheme, the left rear upper beam and the right rear upper beam are connected through a C-shaped brake mounting beam, and a C-shaped brake mounting hole is formed in the C-shaped brake mounting beam.
Further limiting the scheme, the left rear lower beam and the right rear lower beam are connected through a lower connecting beam.
Compared with the prior art, the utility model has the advantages that:
1. the scheme solves the problem of supporting the installation of the chain and belt driven folding bicycle rear fork support belt, when in use, the fastener needs to be loosened, the notch patch is taken down, and after the belt is put into the installation notch of the left rear upper beam, the notch patch is fixedly connected, so that the belt is easy to install quickly, the usability of the two driving belts of the folding bicycle is ensured, and the folding bicycle rear fork support belt is simple in structure and convenient to operate;
2. in the scheme, a left rear wheel An Zhuangwei hooking groove and a left screw adjusting hole are arranged at the lower part of a left tail hook, and a left belt tightness adjusting screw is screwed at the left tail hook position between the left rear wheel An Zhuangwei hooking groove and the left screw adjusting hole; a right rear wheel An Zhuangwei hooking groove and a right screw adjusting hole are formed in the lower part of the right tail hook, and a right belt tightness adjusting screw is screwed at the right tail hook position between the right rear wheel An Zhuangwei hooking groove and the right screw adjusting hole, so that the rear wheel is convenient to install and adjust;
3. in the scheme, the upper part of the left tail hook is provided with a disc brake clamp mounting hole I and a disc brake clamp mounting hole II, and the structure enables the bicycle to simultaneously support V brake and disc brake, and the disc brake mounting hole is also a long groove and can be adjusted along with the wheel set.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Referring to FIG. 1, an embodiment of the utility model is described in detail.
Examples: the rear bracket structure of the folding bicycle comprises a left rear bracket 1 and a right rear bracket 2;
the left rear bracket 1 is a tripod structure formed by connecting a left rear upper beam 1-1, a left rear lower beam 1-2 and a left rear front beam 1-3, the rear end of the left rear upper beam 1-1 is connected with the rear end of the left rear lower beam 1-2 through a left tail hook 1-5, and the front end of the left rear lower beam 1-2 is connected with the lower end of the left front beam 1-3 through a left hinge seat 1-4;
the right rear bracket 2 is a tripod structure formed by connecting a right rear upper beam 2-1, a right rear lower beam 2-2 and a right rear front beam 2-3, the rear end of the right rear upper beam 2-1 is connected with the rear end of the right rear lower beam 2-2 through a right tail hook 2-5, and the front end of the right rear lower beam 2-2 is connected with the lower end of the right rear front beam 2-3 through a right hinge seat 2-4;
the upper ends of the left rear upper beam 1-1, the left rear front beam 1-3, the right rear upper beam 2-1 and the right rear front beam 2-3 are connected together through a push wheel connecting pipe 3;
the middle part of the right rear upper beam 2-1 is provided with a detachable belt passing component which is convenient for the belt to pass through.
In this embodiment, the detachable belt passing component comprises a belt installation notch 2-1-1 formed by disconnecting the middle of a right rear upper beam 2-1, two ends of the belt installation notch 2-1-1 are connected together through a notch patch 2-1-2, and two sides of the notch patch 2-1-2 are fixedly connected with the right rear upper beam 2-1 on two sides of the belt installation notch 2-1-1 through fasteners 2-1-3.
The structure solves the problem of supporting the installation of the chain and belt driven folding bicycle rear fork support belt, when in use, the fastener 2-1-3 is required to be loosened, the notch patch 2-1-2 is taken down, after the belt is put into the belt installation notch 2-1-1 of the left rear upper beam, the notch patch is fixedly connected, so that the rapid installation of the belt is easy to realize, the usability of two driving belts of the folding bicycle is ensured, the structure is simple, and the operation is convenient.
In the embodiment, a left rear wheel An Zhuangwei hooking groove 1-5-1 and a left screw adjusting hole 1-5-2 are arranged at the lower part of the left tail hook 1-5, and a left belt tightness adjusting screw 1-6 is screwed at the left tail hook 1-5 between the left rear wheel An Zhuangwei hooking groove 1-5-1 and the left screw adjusting hole 1-5-2; the lower part of the right tail hook 2-5 is provided with a right rear wheel An Zhuangwei hook groove 2-5-1 and a right screw adjusting hole 2-5-2, and a right belt tightness adjusting screw 2-6 is screwed at the right tail hook 2-5 between the right rear wheel An Zhuangwei hook groove 2-5-1 and the right screw adjusting hole 2-5-2. Wherein, the left rear wheel An Zhuangwei groove 1-5-1 and the left rear wheel An Zhuangwei groove 1-5-1 are all U-shaped long groove structures parallel to the ground, which is convenient for the installation and adjustment of the rear wheels.
In this embodiment, the left hinge base 1-4 is provided with a left hinge hole 1-4-1, and the right hinge base 2-4 is provided with a right hinge hole 2-4-1 for hinged connection of the components.
In the embodiment, the upper part of the left tail hook 1-5 is provided with a disc brake clamp mounting hole I1-5-3 and a disc brake clamp mounting hole II 1-5-4; the left rear upper beam 1-1 and the right rear upper beam 2-1 are connected through a C-shaped brake mounting beam 4, and the C-shaped brake mounting beam 4 is provided with a C-shaped brake mounting hole 4-1. The structure enables the bicycle to simultaneously support the V brake and the disc brake, and the disc brake mounting holes are long slots and can be adjusted along with the wheel group.
The left rear lower beam 1-2 and the right rear lower beam 2-2 are connected through a lower connecting beam 5, and the overall stability of the left rear bracket and the right rear bracket is ensured through connection.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Rear bracket structure of folding bicycle, its characterized in that: comprises a left rear bracket (1) and a right rear bracket (2);
the left rear bracket (1) is a tripod structure formed by connecting a left rear upper beam (1-1), a left rear lower beam (1-2) and a left rear front beam (1-3), the rear end of the left rear upper beam (1-1) is connected with the rear end of the left rear lower beam (1-2) through a left tail hook (1-5), and the front end of the left rear lower beam (1-2) is connected with the lower end of the left rear front beam (1-3) through a left hinge seat (1-4);
the right rear support (2) is a tripod structure formed by connecting a right rear upper beam (2-1), a right rear lower beam (2-2) and a right rear front beam (2-3), the rear end of the right rear upper beam (2-1) is connected with the rear end of the right rear lower beam (2-2) through a right tail hook (2-5), and the front end of the right rear lower beam (2-2) is connected with the lower end of the right rear front beam (2-3) through a right hinge seat (2-4);
the upper ends of the left rear upper beam (1-1), the left rear front beam (1-3), the right rear upper beam (2-1) and the right rear front beam (2-3) are connected together through a push wheel connecting pipe (3);
the middle part of the right rear upper beam (2-1) is provided with a detachable belt passing component which is convenient for the belt to pass through.
2. The folding bicycle rear bracket structure of claim 1, wherein: the detachable belt passing assembly comprises a belt installation notch (2-1-1) formed by disconnecting the middle of a right rear upper beam (2-1), two ends of the belt installation notch (2-1-1) are connected together through a notch patch (2-1-2), and two sides of the notch patch (2-1-2) are fixedly connected with the right rear upper beam (2-1) on two sides of the belt installation notch (2-1-1) through fasteners (2-1-3).
3. The folding bicycle rear bracket structure of claim 1, wherein: the lower part of the left tail hook (1-5) is provided with a left rear wheel An Zhuangwei hook groove (1-5-1) and a left screw adjusting hole (1-5-2), a left side belt tightness adjusting screw (1-6) is screwed at the left tail hook (1-5) between the left rear wheel An Zhuangwei hook groove (1-5-1) and the left screw adjusting hole (1-5-2), and a disc brake clamp mounting hole I (1-5-3) and a disc brake clamp mounting hole II (1-5-4) are arranged at the upper part of the left tail hook (1-5);
the right tail hook (2-5) lower part is equipped with right rear wheel An Zhuangwei and colludes groove (2-5-1) and right screw regulation hole (2-5-2), right rear wheel An Zhuangwei colludes right tail between groove (2-5-1) and right screw regulation hole (2-5-2) colludes (2-5) department and closes right side belt elasticity adjusting screw (2-6) soon.
4. The folding bicycle rear bracket structure of claim 1, wherein: the left hinge seat (1-4) is provided with a left hinge hole (1-4-1), and the right hinge seat (2-4) is provided with a right hinge hole (2-4-1).
5. The folding bicycle rear bracket structure of claim 1, wherein: the left rear upper beam (1-1) and the right rear upper beam (2-1) are connected through a C-shaped brake mounting beam (4), and the C-shaped brake mounting beam (4) is provided with a C-shaped brake mounting hole (4-1).
6. The folding bicycle rear bracket structure of claim 1, wherein: the left rear lower beam (1-2) and the right rear lower beam (2-2) are connected through a lower connecting beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321717064.4U CN219969908U (en) | 2023-07-03 | 2023-07-03 | Rear support structure of folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321717064.4U CN219969908U (en) | 2023-07-03 | 2023-07-03 | Rear support structure of folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219969908U true CN219969908U (en) | 2023-11-07 |
Family
ID=88579332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321717064.4U Active CN219969908U (en) | 2023-07-03 | 2023-07-03 | Rear support structure of folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219969908U (en) |
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2023
- 2023-07-03 CN CN202321717064.4U patent/CN219969908U/en active Active
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