Motorcycle frame

Abstract

The utility model discloses a motorcycle frame, which relates to the technical field of frames and comprises a main frame and a connecting plate. The main frame comprises a frame head pipe, an upper main beam pipe, a seat cushion front clamping column, a rear tail transverse pipe and a rear tail pipe, wherein the front end of the upper main beam pipe is fixedly welded to the frame head pipe, the seat cushion front clamping column and the rear tail transverse pipe are horizontally distributed in the direction perpendicular to the upper main beam pipe and fixedly welded to the rear end of the upper main beam pipe front and back, and the rear tail pipe is fixedly welded to the two ends of the seat cushion front clamping column and the two ends of the rear tail transverse pipe. The upper ends of the rear tail supporting pipes are welded and fixed to the middle of the rear tail pipe, and the transverse supporting pipes and the engine rear fixing pipe are welded and fixed between the two rear tail supporting pipes up and down respectively. The main frame and the connecting plates are arranged, high-quality carbon tube plates are welded in a combined mode, the strength is high, a damping system is omitted, the upper main beam tube and the lower main beam tube of the main frame adopt the single main beam tube lightweight design, and the whole frame is lower in manufacturing cost, lighter in weight and simpler in process and structure.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frames, in particular to a motorcycle frame. Background Art

[0002] Motorcycles are popular in everyday life for their flexibility and ease of parking. However, traditional motorcycle frames have complex structures, complex processes, large size, and heavy weight, which increases costs. This makes them less portable and consumes more energy, making them less lightweight and failing to meet the demands of some people for a simpler motorcycle. To address this, we developed a motorcycle frame that achieves a lightweight design while ensuring structural stability and sufficient installation space. Utility Model Content

[0003] The purpose of the utility model is to provide a motorcycle frame, which solves the problem that the motorcycle frame is not simple and lightweight enough.

[0004] To achieve the above-mentioned object, the utility model provides the following technical solutions: a motorcycle frame, comprising a main frame and a connecting plate, the main frame comprising a frame head tube, an upper main beam tube whose front end is welded and fixed to the frame head tube, a seat front clamping column and a rear tail cross tube horizontally distributed in a direction perpendicular to the upper main beam tube and welded and fixed to the rear end of the upper main beam tube in a front-to-rear manner, a rear tail tube welded and fixed to the seat front clamping column and both ends of the rear tail cross tube, two groups of rear tail support tubes symmetrically arranged on the left and right and whose upper ends are welded and fixed to the middle of the rear tail tube, a cross support tube and an engine rear fixing tube welded and fixed between the two groups of rear tail support tubes, two groups of frame side tubes symmetrically arranged on the left and right and whose rear ends are respectively welded and fixed to the two groups of rear tail support tubes, a footrest fixing tube welded and fixed to the two groups of frame side tubes, and a lower main beam tube whose upper and lower ends are respectively welded and fixed to the frame head tube and the front ends of the two groups of frame side tubes;

[0005] The connecting plate includes a frame decorative panel welded and fixed to the main frame, a seat rear fixing bracket, a rear tail reflector bracket, a rear tail support tube reinforcement plate 1, a rear tail support tube reinforcement plate 2, a rear fender bracket fixing seat, a rear wheel axle fixing plate, a chain cover fixing bracket, a chain tightening fixing bracket, a side beam tube reinforcement plate, a protective cover fixing bracket, a single support fixing plate, an engine fixing plate and a footrest fixing bracket.

[0006] Preferably, the tube body of the main frame is a carbon tube, and the plate member of the connecting plate is a carbon plate.

[0007] Preferably, two groups of left-right symmetrical frame decorative panels are provided on the main frame, and the frame decorative panels are welded and fixed between the frame head tube, the upper main beam tube and the lower main beam tube.

[0008] Preferably, the rear tail pipe is U-shaped, and the seat rear fixing bracket and the rear tail reflector bracket are both welded and fixed to the rear tail pipe.

[0009] Preferably, the rear tail support tube on the right side is respectively welded and fixed with a rear tail support tube reinforcement piece 1, a rear tail support tube reinforcement piece 2, a rear fender bracket fixing seat, a rear wheel axle fixing piece, a chain cover fixing bracket and a chain tightening fixing bracket;

[0010] The rear tail support tube on the left side is respectively welded and fixed with a rear tail support tube reinforcement piece 1, a rear tail support tube reinforcement piece 2, a rear fender bracket fixing seat, a rear wheel axle fixing piece, a side beam tube reinforcement piece and a protective cover fixing bracket.

[0011] Preferably, the rear tail support tube reinforcement plate is welded and fixed between the rear tail support tube and the rear tail pipe.

[0012] Preferably, the second rear tail support tube reinforcement plate and the rear wheel axle fixing plate are respectively welded and fixed at the upper and lower turning positions of the rear tail support tube.

[0013] Preferably, the chain tightening bracket and the side beam tube reinforcement plate are respectively welded and fixed between the rear tail support tube and the frame side tube on the corresponding side.

[0014] Preferably, the engine fixing plate is welded and fixed between the engine rear fixing tube and the footrest fixing bracket, the footrest fixing bracket is welded and fixed at both ends of the footrest fixing bracket, and the single support fixing plate is located behind the footrest fixing bracket and welded and fixed to the frame side tube on one side.

[0015] The utility model has the following beneficial effects:

[0016] The utility model sets a main frame and connecting plates, and the main frame has good symmetry, a simple and stable overall structure, and sufficient installation space. Some connecting plates are used to connect the main parts, and some connecting plates are used to reinforce and support the main frame. High-quality carbon tube and plate combined welding is used, which has high strength and eliminates the shock absorption system. The upper main beam tube and the lower main beam tube of the main frame adopt a single main beam tube lightweight design, which has lower cost, is lighter, and is simpler in terms of process and structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the front view of the utility model;

[0018] Figure 2 This is a top view of the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the utility model.

[0020] In the figure: 1. Main frame; 101. Frame head tube; 102. Upper main beam tube; 103. Seat front bracket; 104. Rear tail cross tube; 105. Rear tail tube; 106. Rear tail support tube; 107. Cross support tube; 108. Rear engine fixing tube; 109. Frame side tube; 110. Footrest fixing tube; 111. Lower main beam tube; 2. Connecting plates; 201. Frame decorative panel; 202. Rear seat fixing bracket; 203. Rear reflector bracket; 204. Rear tail support tube reinforcement plate 1; 205. Rear tail support tube reinforcement plate 2; 206. Rear fender bracket fixing seat; 207. Rear wheel axle fixing plate; 208. Chain cover fixing bracket; 209. Chain tensioning fixing bracket; 210. Side beam tube reinforcement plate; 211. Protective cover fixing bracket; 212. Single support fixing plate; 213. Engine fixing plate; 214. Footrest fixing bracket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figure 1-3 As shown, the utility model provides a technical solution: a motorcycle frame, including a main frame 1 and a connecting plate 2, the tube body of the main frame 1 is a carbon tube, the plate member of the connecting plate 2 is a carbon plate, the main frame 1 includes a frame head tube 101, an upper main beam tube 102 whose front end is welded and fixed to the frame head tube 101, a seat front clamping column 103 and a rear tail cross tube 104 horizontally distributed in a direction perpendicular to the upper main beam tube 102 and welded and fixed to the rear end of the upper main beam tube 102 one after the other, and a rear tail tube 104 welded and fixed to the seat front clamping column 103 and the rear tail cross tube 104 at both ends. 5. Two sets of rear tail support tubes 106 symmetrically arranged and welded to the middle of the rear tail pipe 105 at their upper ends; a cross brace tube 107 and an engine rear mounting tube 108 welded to and fixed between the two sets of rear tail support tubes 106, one above and one below; two sets of frame side tubes 109 symmetrically arranged and welded to the two sets of rear tail support tubes 106 at their rear ends; a footrest mounting tube 110 welded to the two sets of frame side tubes 109; and a lower main beam tube 111 welded to the frame head tube 101 at its upper and lower ends between the front ends of the two sets of frame side tubes 109.

[0023] The connecting plate 2 includes a frame decorative plate 201 welded and fixed to the main frame 1, a seat rear fixing bracket 202, a rear tail reflector bracket 203, a rear tail support tube reinforcement plate 1 204, a rear tail support tube reinforcement plate 205, a rear fender bracket fixing seat 206, a rear axle fixing plate 207, a chain cover fixing bracket 208, a chain tightening fixing bracket 209, a side beam tube reinforcement plate 210, a protective cover fixing bracket 211, a single support fixing plate 212, an engine fixing plate 213 and a footrest fixing bracket 214;

[0024] Among them, two sets of frame decorative panels 201 are set on the main frame 1 in a left-right symmetrical manner, and the frame decorative panels 201 are welded and fixed between the frame head tube 101, the upper main beam tube 102 and the lower main beam tube 111;

[0025] The rear tail pipe 105 is U-shaped, and the seat rear fixing bracket 202 and the rear reflector bracket 203 are both welded and fixed to the rear tail pipe 105;

[0026] Among them, the rear tail support tube reinforcement piece 1 204, the rear tail support tube reinforcement piece 205, the rear fender bracket fixing seat 206, the rear wheel axle fixing piece 207, the chain cover fixing bracket 208 and the chain tightening fixing bracket 209 are respectively welded and fixed to the right rear tail support tube 106;

[0027] The left rear tail support tube 106 is respectively welded with a rear tail support tube reinforcement piece 1 204, a rear tail support tube reinforcement piece 205, a rear fender bracket fixing seat 206, a rear wheel axle fixing piece 207, a side beam tube reinforcement piece 210 and a protective cover fixing bracket 211;

[0028] The rear tail support pipe reinforcement plate 1 204 is welded and fixed between the rear tail support pipe 106 and the rear tail pipe 105;

[0029] The rear tail support tube reinforcement plate 205 and the rear wheel axle fixing plate 207 are respectively welded and fixed at the upper and lower turning positions of the rear tail support tube 106;

[0030] The chain tightening bracket 209 and the side beam tube reinforcement plate 210 are respectively welded and fixed between the rear tail support tube 106 and the frame side tube 109 on the corresponding side;

[0031] The engine fixing plate 213 is welded and fixed between the engine rear fixing tube 108 and the footrest fixing bracket 214, and the footrest fixing bracket 214 is welded and fixed at both ends of the footrest fixing bracket 214. The single support fixing piece 212 is located behind the footrest fixing bracket 214 and is welded and fixed to the frame side tube 109 on one side.

[0032] This motorcycle frame can optimize the layout space of the frame and integrate the design to facilitate the configuration of various systems while meeting the requirements of stable and firm performance, and realize the lightweight design of the frame.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motorcycle frame, comprising a main frame (1) and a connecting plate (2), characterized in that: The main frame (1) comprises a frame head tube (101), an upper main beam tube (102) whose front end is welded and fixed to the frame head tube (101), a seat front clamping column (103) and a rear tail cross tube (104) horizontally distributed in a direction perpendicular to the upper main beam tube (102) and welded and fixed to the rear end of the upper main beam tube (102) in a front-to-rear manner, a rear tail tube (105) welded and fixed to both ends of the seat front clamping column (103) and the rear tail cross tube (104), and two groups of rear tail tubes (105) symmetrically arranged on the left and right and whose upper ends are welded and fixed to the middle of the rear tail tube (105). A support tube (106), a cross support tube (107) and an engine rear fixing tube (108) respectively welded and fixed between the two groups of rear tail support tubes (106), two groups of frame side tubes (109) arranged symmetrically on the left and right and with their rear ends respectively welded and fixed on the two groups of rear tail support tubes (106), a footrest fixing tube (110) welded and fixed on the two groups of frame side tubes (109), and a lower main beam tube (111) with upper and lower ends respectively welded and fixed on the frame head tube (101) and between the front ends of the two groups of frame side tubes (109); The connecting plate (2) comprises a frame decorative plate (201) welded and fixed to the main frame (1), a seat rear fixing bracket (202), a rear tail reflector bracket (203), a rear tail support tube reinforcement plate 1 (204), a rear tail support tube reinforcement plate 2 (205), a rear fender bracket fixing seat (206), a rear wheel axle fixing plate (207), a chain cover fixing bracket (208), a chain tightening fixing bracket (209), a side beam tube reinforcement plate (210), a protective cover fixing bracket (211), a single support fixing plate (212), an engine fixing plate (213) and a footrest fixing bracket (214).

2. A motorcycle frame according to claim 1, characterized in that: The tube body of the main frame (1) is a carbon tube, and the plate member of the connecting plate member (2) is a carbon plate.

3. The motorcycle frame according to claim 1, characterized in that: Two groups of left-right symmetrical frame decorative panels (201) are provided on the main frame (1), and the frame decorative panels (201) are welded and fixed between the frame head tube (101), the upper main beam tube (102) and the lower main beam tube (111).

4. The motorcycle frame according to claim 1, characterized in that: The rear tail pipe (105) is U-shaped, and the seat rear fixing bracket (202) and the rear reflective sheet bracket (203) are both welded and fixed to the rear tail pipe (105).

5. The motorcycle frame according to claim 1, characterized in that: A rear tail support tube reinforcement piece 1 (204), a rear tail support tube reinforcement piece 2 (205), a rear fender support fixing seat (206), a rear wheel axle fixing piece (207), a chain cover fixing bracket (208) and a chain tightening fixing bracket (209) are respectively welded and fixed to the rear tail support tube (106) on the right side; A first rear support tube reinforcement piece (204), a second rear support tube reinforcement piece (205), a rear fender support fixing seat (206), a rear wheel axle fixing piece (207), a side beam tube reinforcement piece (210) and a protective cover fixing bracket (211) are respectively welded and fixed to the rear tail support tube (106) on the left side.

6. The motorcycle frame according to claim 5, characterized in that: The rear tail support tube reinforcement plate 1 (204) is welded and fixed between the rear tail support tube (106) and the rear tail tube (105).

7. The motorcycle frame according to claim 5, characterized in that: The rear tail support tube reinforcement plate 2 (205) and the rear wheel axle fixing plate (207) are respectively welded and fixed at the upper and lower turning positions of the rear tail support tube (106).

8. The motorcycle frame according to claim 5, characterized in that: The chain tightening fixing bracket (209) and the side beam tube reinforcement plate (210) are respectively welded and fixed between the rear tail support tube (106) and the frame side tube (109) on the corresponding side.

9. The motorcycle frame according to claim 1, characterized in that: The engine fixing plate (213) is welded and fixed between the engine rear fixing tube (108) and the footrest fixing bracket (214); the footrest fixing bracket (214) is welded and fixed to both ends of the footrest fixing bracket (214); and the single support fixing piece (212) is located behind the footrest fixing bracket (214) and is welded and fixed to a side tube (109) of the vehicle frame on one side.

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