Motorcycle bottom fork

Abstract

The utility model discloses a bottom fork of a motorcycle, which relates to the technical field of motorcycle production and manufacturing and comprises a bottom fork assembly formed by splicing a plurality of stamping plates. The motorcycle bottom fork and the bottom fork assembly are the stamping plates, compared with a bottom fork formed by a pipe fitting, the bottom fork formed by the stamping plates is high in attractive degree and does not need to be additionally provided with a plastic shell, and compared with CNC machining, the manufacturing cost and the manufacturing complexity of stamping forming are smaller.

Description

TECHNICAL FIELD

[0001] The utility model relates to motorcycle production manufacturing technical field, in particular to a motorcycle flat fork. BACKGROUND

[0002] The current motorcycle flat fork (also called rear rocker arm) has the following two main manufacturing methods: the first is to form by welding multiple pipe fittings, and the second is to process aluminum alloy components by CNC processing. However, in the current motorcycle flat fork manufacturing method, the skeleton formed by pipe fittings has poor aesthetics, and a plastic shell needs to be additionally provided on the flat fork formed by multiple pipe fittings to improve the aesthetics; although the flat fork processed by CNC does not need to be provided with a shell, the cost of CNC processing is high and the process is complex. Therefore, there is an urgent need for a motorcycle flat fork with high aesthetics, low cost and simple manufacturing process. SUMMARY

[0003] The utility model aims at providing a motorcycle flat fork to solve the problems existing in the prior art, and the motorcycle flat fork has high aesthetics, low cost and simple manufacturing process.

[0004] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0005] The utility model provides a motorcycle flat fork, which comprises a flat fork assembly, and the flat fork assembly is formed by splicing multiple stamping plate pieces.

[0006] Preferably, the flat fork assembly comprises a middle plate and two side plates, the two side plates are oppositely arranged, the middle plate is arranged between the two side plates, and the two ends of the middle plate are fixedly connected to the two side plates respectively.

[0007] Preferably, each of the two side plates comprises a main plate and a mounting plate, the mounting plate is fixedly connected to each of the two ends of the main plate, and the two ends of the middle plate are fixedly connected to the two main plates respectively.

[0008] Preferably, each of the main plates, each of the mounting plates and the middle plate is a sheet metal stamping plate piece.

[0009] Preferably, the utility model further comprises a shock-absorbing mounting shaft, a through hole is arranged on the mounting plate, the shock-absorbing mounting shaft passes through the through hole and is fixedly connected to the through hole, and the shock-absorbing mounting shaft is used for mounting a shock-absorbing device.

[0010] Preferably, the utility model further comprises a flat fork head pipe, the flat fork head pipe is fixedly connected to the end of each of the two main plates away from the mounting plate, and the flat fork head pipe is used for connecting with a middle connecting plate of a frame.

[0011] Preferably, the side of the flat fork head pipe is fixedly connected with the edge of one side of the middle plate.

[0012] Preferably, the flat fork head pipe comprises a sleeve pipe and an inner liner, the sleeve pipe is fixedly connected with the end of each of the two main plates away from the mounting plate, and the inner liner is fixedly arranged in the sleeve pipe.

[0013] Preferably, the end of the main plate away from the mounting plate is provided with a fixed groove, the side of the sleeve pipe is matched with the fixed groove in shape, the sleeve pipe is arranged in the fixed groove and fixedly connected with the main plate.

[0014] Preferably, the inner liner comprises a main rod, a mounting sleeve and a damping sleeve, the mounting sleeve is fixedly sleeved with both ends of the main rod, the outer side of the mounting sleeve is fixedly connected with the inner side of the sleeve pipe, the end of the main rod and the end of the mounting sleeve form a connecting end used for connecting with the middle connecting plate of the motorcycle frame, the damping sleeve is sleeved with the main rod between the two mounting sleeves, the damping sleeve has elasticity, and the outer side of the damping sleeve is in contact with the inner side of the sleeve pipe.

[0015] The utility model discloses relative to prior art has obtained following technical effect:

[0016] The utility model discloses a motorcycle flat fork, and the flat fork total becomes the stamping plate piece, and the flat fork of stamping plate piece formation is compared with the flat fork of pipe piece formation, and the degree of beauty is higher, need not extra configuration plastic shell, and the stamping formation is compared with CNC processing, and the complexity of manufacturing cost and manufacturing process is smaller. Therefore, the utility model discloses a motorcycle flat fork, and the degree of beauty is higher, and the cost is lower and the processing technology is relatively simple. ACCURACY OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description only is some embodiments of the utility model, and for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0018] Fig. 1 It is the three-dimensional structure diagram of the utility model discloses a motorcycle flat fork for the utility model discloses a motorcycle flat fork.

[0019] Fig. 2 It is the explosion drawing of the utility model discloses a motorcycle flat fork for the utility model discloses a motorcycle flat fork.

[0020] In the drawing: 1, side plate;11, main plate;111, fixed groove;12, mounting plate;2, middle plate;3, damping mounting shaft;4, flat fork head pipe;41, sleeve pipe;42, main rod;43, mounting sleeve;44, damping sleeve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] The utility model discloses a motorcycle flat fork to solve the problems of the prior art, and the motorcycle flat fork has high appearance degree, low cost and simple manufacturing process.

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0024] The utility model provides a kind of motorcycle flat fork, as shown in figure, including flat fork assembly, and flat fork assembly is formed by splicing multiple stamping plate parts. Figs. 1-2

[0025] The motorcycle flat fork provided by the utility model is formed by stamping plate parts, and the flat fork formed by stamping plate parts has higher appearance degree than the flat fork formed by pipe parts, without additional plastic shell, and the manufacturing cost and the complexity of manufacturing process of stamping are smaller than CNC processing.

[0026] In a preferred embodiment of the present embodiment, the flat fork assembly includes a middle plate 2 and two side plates 1, the two side plates are oppositely arranged, the middle plate 2 is arranged between the two side plates 1, and the two ends of the middle plate 2 are respectively fixedly connected to the two side plates 1. The two side plates 1 are connected by the middle plate 2, which improves the integrity of the flat fork assembly.

[0027] In a preferred embodiment of the present embodiment, each of the two side plates 1 includes a main plate 11 and a mounting plate 12, the mounting plate 12 is fixedly connected to the two ends of each of the two main plates 11, and the two ends of the middle plate 2 are respectively fixedly connected to the two main plates 11. The mounting plate 12 can facilitate the connection and installation of the flat fork assembly and other components of the motorcycle.

[0028] In a preferred embodiment of the present embodiment, each of the main plates 11, each of the mounting plates 12 and the middle plate 2 is a sheet metal stamping plate part. The sheet metal has light weight and high strength, which makes the flat fork assembly more lightweight and improves durability.

[0029] ​In a preferred embodiment of this first example, a shock-absorbing mounting shaft 3 is further included. A through hole is provided on the mounting plate 12, through which the shock-absorbing mounting shaft 3 passes and is fixedly connected. The shock-absorbing mounting shaft 3 is used to mount a shock-absorbing device. The shock-absorbing mounting shaft 3 facilitates the connection between the swingarm assembly and the shock-absorbing device on the motorcycle body.

[0030] In a preferred embodiment of this first example, a flat fork head tube 4 is further included. The flat fork head tube 4 is fixedly connected to the ends of the two main body plates 11 that are away from the mounting plate 12. The flat fork head tube 4 is used to connect to the frame center plate. The flat fork head tube 4 facilitates the connection between the flat fork assembly and the motorcycle frame center plate.

[0031] In a preferred embodiment of this first example, the side of the flat fork head tube 4 is fixedly connected to the edge of one side of the middle plate 2. The fixed connection between the flat fork head tube 4 and the middle plate 2 can improve the overall integrity of the flat fork.

[0032] It should be noted that although the structure of the flat fork assembly being fixedly connected to the middle plate 2 can improve the overall integrity of the flat fork, it places higher demands on the manufacturing process. If the manufacturing process does not meet the requirements, the flat fork head tube 4 and the middle plate 2 can be set to be separate from each other as needed.

[0033] In a preferred embodiment of this first example, the flat fork head tube 4 includes a sleeve 41 and an inner liner. The sleeve 41 is fixedly connected to the ends of the two main body plates 11 that are away from the mounting plate 12, and the inner liner is fixedly disposed inside the sleeve 41. The arrangement of the sleeve 41 with the inner liner can improve the strength of the flat fork head tube 4, thereby improving the stability of the flat fork head tube 4 after it is connected to the motorcycle frame mid-section plate.

[0034] In a preferred embodiment of this first example, a fixing groove 111 is provided at the end of the main body plate 11 away from the mounting plate 12. The shape of the side of the sleeve 41 matches the fixing groove 111, and the sleeve 41 is disposed in the fixing groove 111 and fixedly connected to the main body plate 11. The fixing groove 111 can limit the movement of the flat fork tube 4 to further improve the reliability of the connection.

[0035] In a preferred embodiment of the present embodiment, the inner lining comprises a main rod 42, a mounting sleeve 43 and a shock absorbing sleeve 44, the two ends of the main rod 42 are fixedly sleeved with the mounting sleeve 43, the outer side of the mounting sleeve 43 is fixedly connected with the inner side of the sleeve pipe 41, the end of the main rod 42 and the end of the mounting sleeve 43 form a connecting end, the connecting end is used for fixedly connecting with the middle connecting plate of the motorcycle frame, the shock absorbing sleeve 44 is sleeved on the main rod 42 between the two mounting sleeves 43, the shock absorbing sleeve 44 has elasticity, and the outer side of the shock absorbing sleeve 44 is in contact with the inner side of the sleeve pipe 41. After the flat fork head pipe 4 is installed on the motorcycle frame, the connecting end is fixedly connected with the middle connecting plate, the sleeve pipe 41 is fixedly connected with the flat fork assembly, in the process of driving the vehicle, the sleeve pipe 41 and the inner lining will appear small bending or relative movement due to bumping and the like, and the small bending or relative movement is converted into vibration in the process of riding, and then affects the riding experience, the shock absorbing sleeve 44 can reduce the relative displacement between the sleeve pipe 41 and the inner lining, and reduce the occurrence of vibration.

[0036] The principle and implementation mode of the specific examples are described in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general skilled in the art, according to the idea of the utility model, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A motorcycle fork characterized in that: The flat fork assembly is formed by splicing a plurality of stamping plates, and comprises a middle plate and two side plates.

2. The motorcycle fork according to claim 1, characterized in that: Each of the side plates comprises a main plate and a mounting plate, and the mounting plate is fixedly connected to both ends of the main plate.

3. The motorcycle fork according to claim 2, characterized in that: Each of the main plates, the mounting plates and the middle plate is a stamping plate.

4. The motorcycle fork of claim 2, wherein: A damping mounting shaft is arranged in a through hole in the mounting plate, and the damping mounting shaft is fixedly connected to the through hole.

5. The motorcycle fork of claim 2, wherein: A flat fork head tube is fixedly connected to the end of the main plate away from the mounting plate, and the flat fork head tube is used to connect to the middle plate of the motorcycle frame.

6. The motorcycle fork according to claim 5, characterized in that: The side surface of the flat fork head tube is fixedly connected to the edge of one side of the middle plate.

7. The motorcycle fork of claim 5, wherein: The flat fork head tube comprises a sleeve and an inner lining, and the sleeve is fixedly connected to the end of the main plate away from the mounting plate.

8. The motorcycle fork according to claim 7, characterized in that: The end of the main plate away from the mounting plate is provided with a fixing groove, and the side surface of the sleeve is matched with the fixing groove.

9. The motorcycle fork of claim 7, wherein: The inner lining comprises a main rod, a mounting sleeve and a damping sleeve, and the mounting sleeve is fixedly arranged on both ends of the main rod. The outer side surface of the mounting sleeve is fixedly connected to the inner side surface of the sleeve, and the end of the main rod and the end of the mounting sleeve form a connecting end used to connect to the middle plate of the motorcycle frame. The damping sleeve is arranged on the main rod between the mounting sleeves, and the damping sleeve is elastic and in contact with the inner side surface of the sleeve.

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