CN219687543U - Rear bottom fork of motorcycle - Google Patents
Rear bottom fork of motorcycle Download PDFInfo
- Publication number
- CN219687543U CN219687543U CN202320416750.1U CN202320416750U CN219687543U CN 219687543 U CN219687543 U CN 219687543U CN 202320416750 U CN202320416750 U CN 202320416750U CN 219687543 U CN219687543 U CN 219687543U
- Authority
- CN
- China
- Prior art keywords
- bottom fork
- rear bottom
- motorcycle
- hollow tube
- connecting piece
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- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model discloses a rear bottom fork of a motorcycle, which comprises rear bottom fork hollow tubes arranged on the left side and the right side, wherein the front ends of the rear bottom fork hollow tubes on the left side and the right side are fixedly connected, and a rear hub connecting piece is arranged on the outer surface of the rear end of each rear bottom fork hollow tube. The rear bottom fork of the motorcycle is not directly used for mounting the rear wheel of the motorcycle, but is used as a supporting platform of the rear hub connecting piece, the rear wheel of the motorcycle is mounted on the rear hub connecting piece, the motorcycle pressure is not directly applied to the rear bottom fork, but is buffered through the rear hub connecting piece and then is applied to the rear bottom fork, in this way, the pressure directly born by the rear bottom fork is reduced, the buffer efficacy is synchronously increased, the integral strength of the motorcycle is improved, in addition, when the telescopic rod moves downwards along the hollow tube of the rear bottom fork, the piston plate on the surface of the telescopic rod moves downwards synchronously, and the piston plate is mounted in the cylinder, so the downward moving telescopic rod is subjected to the reverse force of high-pressure gas in the cylinder, the pneumatic buffer efficacy is realized, and the supporting strength of the rear bottom fork is further improved.
Description
Technical Field
The utility model relates to the field of motorcycles, in particular to a rear bottom fork of a motorcycle.
Background
The rear bottom fork of the motorcycle is an important part of the motorcycle, the existing rear bottom fork is a welding part formed by welding steel pipes, the weight is large, the rear bottom fork is directly used for mounting rear wheels, the rear bottom fork directly bears the pressure from the rear wheels, the strength is limited, and the use comfort of the motorcycle is affected. Therefore, the utility model provides a rear bottom fork of a motorcycle, which is not directly used for installing a rear wheel of the motorcycle, but is used as a supporting platform of a rear hub connecting piece, the rear wheel of the motorcycle is installed on the rear hub connecting piece, motorcycle pressure is not directly applied to the rear bottom fork, but is buffered through the rear hub connecting piece and then applied to the rear bottom fork.
Disclosure of Invention
The utility model aims to provide a rear bottom fork of a motorcycle, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a motorcycle rear bottom fork, includes the rear bottom fork hollow tube that the left and right sides set up, fixed connection between the rear bottom fork hollow tube front end of left and right sides, rear end surface mounting of rear bottom fork hollow tube has back wheel hub connecting piece, back wheel hub connecting piece includes the connecting plate, the connecting plate passes through the bull stick and rotates the installation at the left and right sides lateral wall of rear bottom fork hollow tube, the rear end of connecting plate wears to be equipped with the wheel hub mounting groove, the connecting plate of left and right sides is provided with a plurality of rectangular channels relative one end, a plurality of telescopic links are worn to vertical slip on the rear bottom fork hollow tube, the upper end fixedly connected with horizontal pole of telescopic link, the slider of both sides is rotated in the spout on the connecting plate of left and right sides, the slider slides and wears to be equipped with the guide arm about, the front and back end and the spout of guide arm in the lateral wall fixed connection, the surface cover of guide arm is equipped with buffer spring.
Further, a plurality of air cylinders are fixedly arranged in the pipe orifice at the rear end of the rear bottom fork hollow pipe, piston plates are arranged in the air cylinders, and the piston plates are fixedly sleeved on the outer surfaces of the telescopic rods.
Further, four groups of telescopic rods are arranged between the connecting plates at the left side and the right side.
Further, the rear bottom fork hollow tube and the rear hub connecting piece arranged on the rear bottom fork hollow tube are high-strength alloy pieces.
Compared with the prior art, the utility model has the beneficial effects that:
the rear bottom fork of the motorcycle is not directly used for mounting the rear wheel of the motorcycle, but is used as a supporting platform of the rear hub connecting piece, and the rear wheel of the motorcycle is mounted on the rear hub connecting piece, so that the pressure of the motorcycle is not directly applied to the rear bottom fork, but is buffered through the rear hub connecting piece and then is applied to the rear bottom fork.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the rear hub connection member of the present utility model;
FIG. 3 is a schematic view of a telescopic rod according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. a rear fork hollow tube; 2. a rear hub connection; 21. a rotating rod; 22. a connecting plate; 23. a hub mounting groove; 24. a cross bar; 25. a telescopic rod; 26. a piston plate; 27. a cylinder; 28. rectangular grooves; 29. a buffer spring; 210. a slide block; 211. and a guide rod.
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.
Examples: referring to fig. 1 to 4, a rear bottom fork of a motorcycle comprises a rear bottom fork hollow tube 1 arranged on the left side and the right side, wherein the front ends of the rear bottom fork hollow tube 1 on the left side and the right side are fixedly connected, a rear hub connecting piece 2 is arranged on the outer surface of the rear end of the rear bottom fork hollow tube 1, the rear hub connecting piece 2 comprises a connecting plate 22, the connecting plate 22 is rotatably arranged on the left side wall and the right side wall of the rear bottom fork hollow tube 1 through a rotating rod 21, hub mounting grooves 23 are formed in the rear end of the connecting plate 22 in a penetrating manner, a plurality of rectangular grooves 28 are formed in the opposite ends of the connecting plate 22 on the left side and the right side, a plurality of telescopic rods 25 are vertically and slidably arranged on the rear bottom fork hollow tube 1, a cross rod 24 is fixedly connected to the upper end of the telescopic rods 25, sliding blocks 210 are rotatably connected to the left ends and the right ends of the cross rod 24 in a sliding groove 28 on the left side and the right side of the connecting plate 22, guide rods 211 are rotatably arranged on the upper side and lower side of the sliding grooves 28 in a sliding manner, the front end and the rear end of the connecting plate 211 are fixedly connected with the inner front side wall of the sliding grooves 28 through guide rods 211, and the outer surfaces of the guide rods 211 are sleeved with buffer springs 29.
The utility model relates to a rear bottom fork of a motorcycle, which is a connecting structure of a motorcycle frame and rear wheels, and particularly comprises a rear bottom fork hollow pipe 1 arranged on the left side and the right side, wherein the front ends of the rear bottom fork hollow pipes 1 on the left side and the right side are fixedly connected, rear hub connecting pieces 2 are arranged on the outer surfaces of the rear ends of the rear bottom fork hollow pipes 1, two ends of the rear bottom fork hollow pipes 1 are fixedly connected with the motorcycle frame, the rear hub connecting pieces 2 are used for mounting rear wheels, when the rear wheels bear weight, the rear hub connecting pieces 2 connected with the rear wheels move downwards and rotate along the rear bottom fork hollow pipes 1, in the process, telescopic rods 25 between connecting plates 2 on the left side and the right side move downwards along the rear bottom fork hollow pipes 1, because the telescopic rods 25 are obliquely arranged, and the connecting plates 2 are initially horizontally arranged, so that the downwards moved telescopic rods 25 are also subjected to upward force, a cross rod 24 connected with the upper ends of the telescopic rods 25 and a sliding block 210 are subjected to upward force, the sliding block 210 moves along a guide rod 211 in a rectangular groove 28, and a buffer spring 29 is extruded in the rectangular groove 28 to absorb pressure born by the rear wheels;
therefore, in summary, the rear bottom fork of the motorcycle is not directly used for mounting the rear wheel of the motorcycle, but is used as a supporting platform of the rear hub connecting piece 2, and the rear wheel of the motorcycle is mounted on the rear hub connecting piece 2, so that the pressure of the motorcycle is not directly applied to the rear bottom fork, but is buffered through the rear hub connecting piece 2 and then applied to the rear bottom fork.
In the embodiment, a plurality of air cylinders 27 are fixedly arranged in the rear end pipe orifice of the rear bottom fork hollow pipe 1, piston plates 26 are arranged in the air cylinders 27, and the piston plates 26 are fixedly sleeved on the outer surfaces of the telescopic rods 25.
When the telescopic rod 25 moves downwards along the rear bottom fork hollow tube 1, the piston plate 26 on the surface of the telescopic rod 25 moves downwards synchronously, and the piston plate 26 is arranged in the cylinder 27, so that the downwards moving telescopic rod 25 is subjected to the reverse force of high-pressure gas in the cylinder 27, the pneumatic buffering effect is achieved, and the supporting strength of the rear bottom fork is further improved.
It should be noted that four groups of telescopic rods 25 are arranged between the connecting plates 22 on the left and right sides, and the plurality of groups of telescopic rods 25 increase the overall strength of the rear bottom fork and the buffering effect.
The rear bottom fork hollow tube 1 and the rear hub connecting piece 2 arranged on the rear bottom fork hollow tube are high-strength alloy pieces, and the material body is high in strength and good in safety.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. The utility model provides a motorcycle rear bottom fork, includes rear bottom fork hollow tube (1) that left and right sides set up, its characterized in that: the front end of a rear bottom fork hollow tube (1) on the left side and the right side is fixedly connected with each other, a rear hub connecting piece (2) is mounted on the outer surface of the rear end of the rear bottom fork hollow tube (1), the rear hub connecting piece (2) comprises a connecting plate (22), the connecting plate (22) is rotatably mounted on the left side wall and the right side wall of the rear bottom fork hollow tube (1) through a rotating rod (21), hub mounting grooves (23) are formed in the rear end of the connecting plate (22), a plurality of rectangular grooves (28) are formed in the opposite ends of the connecting plate (22) on the left side and the right side, a plurality of telescopic rods (25) are vertically and slidably arranged on the rear bottom fork hollow tube (1), a cross rod (24) is fixedly connected to the upper end of the telescopic rods (25), sliding blocks (210) are rotatably connected to the left end and the right end of the cross rod (24), the sliding blocks (210) on the left side and the right side walls of the connecting plate (22) are slidably mounted on the left side and the right side wall of the rectangular grooves (28), guide rods (211) are slidably mounted on the upper side and the lower side, the front ends of the rectangular ends of the guide rods (211) are fixedly connected with the inner side walls of the guide rods (28), and the front side walls of the front side wall (29) are fixedly connected with springs.
2. The rear bottom fork of claim 1, wherein: a plurality of air cylinders (27) are fixedly arranged in the pipe orifice at the rear end of the rear bottom fork hollow pipe (1), piston plates (26) are arranged in the air cylinders (27), and the piston plates (26) are fixedly sleeved on the outer surfaces of the telescopic rods (25).
3. The rear bottom fork of claim 2, wherein: four groups of telescopic rods (25) are arranged between the connecting plates (22) at the left side and the right side.
4. A rear bottom fork of a motorcycle as set forth in claim 3 wherein: the rear bottom fork hollow tube (1) and the rear hub connecting piece (2) arranged on the rear bottom fork hollow tube are high-strength alloy pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320416750.1U CN219687543U (en) | 2023-03-07 | 2023-03-07 | Rear bottom fork of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320416750.1U CN219687543U (en) | 2023-03-07 | 2023-03-07 | Rear bottom fork of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219687543U true CN219687543U (en) | 2023-09-15 |
Family
ID=87965294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320416750.1U Active CN219687543U (en) | 2023-03-07 | 2023-03-07 | Rear bottom fork of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219687543U (en) |
-
2023
- 2023-03-07 CN CN202320416750.1U patent/CN219687543U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |