Frame assembly
By dividing the frame into arc-shaped front beam and rear beam and forming a "V"-shaped structure, combining reinforcement ribs and reinforcement beams, the problem of insufficient strength of the double-spar frame is solved, and higher frame strength and rigidity are achieved.
Patent Information
- Application Number
- CN202421226072.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-31
AI Technical Summary
In the process of pursuing lightweight, the existing double-spar frames have insufficient strength and stiffness, making it difficult to meet the requirements of use.
A frame assembly was designed. By dividing the main frame into a front beam part and a rear beam part, the front beam part is an arc-shaped structure and connected to the rear beam part, forming a "V"-shaped structure, adding a non-closed triangle fulcrum, and in Reinforcement ribs and reinforcement beams are installed at key locations to enhance the stability and rigidity of the frame.
It effectively improves the strength and rigidity of the frame, enhances the stability of the fulcrum, and meets the needs of lightweight and high rigidity.
Smart Images

Figure CN222361050U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle frames, in particular to a vehicle frame assembly. Background Art
[0002] The frames of two-wheeled vehicles commonly used now usually adopt two structural schemes, one is a steel tube frame, and the other is a double-wing beam frame; the steel tube frame is suitable for independent suspension, and has the characteristics of strong structure and good off-road performance; the double-wing beam frame is achieved by using two pieces of high-strength stamping plates to surround the engine cylinder head and extend to the position of the rear swing arm; and in order to meet the demand for lightweight, the existing double-wing beam frame has gradually adopted a lighter aluminum alloy material, which requires the frame to have sufficient strength and rigidity to meet the use requirements, so the frame strength needs to be further strengthened. Utility Model Content
[0003] The purpose of the utility model is to provide a frame assembly to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a frame assembly, including a main frame, the main frame is an integrated structure, and includes a front vertical pipe, a front beam part and a rear beam part, the front beam part is arranged in an arc shape, and the front end of the front beam part is connected to the front vertical pipe, and the front end of the rear beam part is connected to the middle section of the front beam part, so that the front half of the front beam part and the rear beam part form a "V"-shaped structure.
[0005] Further, the front beam part includes a left front beam and a right front beam which are symmetrical on the left and right sides, the front ends of the left front beam and the right front beam are connected to the front vertical pipe, and the rear ends of the left front beam and the right front beam are connected; the rear beam part includes a left rear beam and a right rear beam which are symmetrical on the left and right sides, the front end of the left rear beam is connected to the left front beam, the front end of the right rear beam is connected to the right front beam, and the left rear beam is connected to the rear ends of the right rear beam.
[0006] Furthermore, the main frame also includes an attached beam part, which includes a left attached beam and a right attached beam that are symmetrical on the left and right. The upper ends of the left attached beam and the right attached beam are respectively connected to the middle sections of the left rear beam and the right rear beam, and the lower ends of the left attached beam and the right attached beam are connected to the tail ends of the left front beam and the right front beam.
[0007] Furthermore, the inner sides of the left front beam, the right front beam, the left rear beam, the right rear beam, the left attached beam and the right attached beam are all open structures, and reinforcing ribs are distributed at the opening structures.
[0008] Furthermore, it also includes a fuel tank, a front reinforcing beam is arranged between the front ends of the left front beam and the right front beam, a reinforcing block is arranged on the front reinforcing beam, the reinforcing block is pivotally connected to the front end of the fuel tank, a rear reinforcing beam is arranged between the rear ends of the left rear beam and the right rear beam, a positioning groove is arranged on the rear reinforcing beam, a positioning protrusion is arranged at the rear end of the fuel tank, the positioning protrusion is matched with the positioning groove, and the rear end of the fuel tank is pivotally connected to the rear end of the rear beam part.
[0009] Furthermore, a sub-frame is included, and the front end of the sub-frame is fixed to the rear end of the rear beam part by screws.
[0010] Furthermore, it also includes a flat fork and a shock absorber, one end of the flat fork is rotatably arranged in the middle of the attached beam part, one end of the shock absorber is pivotally connected to the flat fork, and the other end is pivotally connected between the rear ends of the left rear beam and the right rear beam.
[0011] Furthermore, a frame shell is also included. A plurality of screw holes are distributed on the main frame, and the frame shell is fixed to the outer side of the main frame by screws cooperating with the screw holes.
[0012] Compared with the prior art, the beneficial effects of the utility model include: by dividing the main frame into a front beam part and a rear beam part, wherein the front beam part is an arc-shaped structure as a whole, the front end of the rear beam part is connected to the middle section of the front beam part, so that the front half of the front beam part and the rear beam part form a "V"-shaped structure, so that the front riser located at the front end of the front beam part, the rear end of the front beam part and the rear end of the rear beam part form a non-closed triangle, so as to enhance the stability of each fulcrum, and through the action of force and the balance relationship, the rigidity of the frame is stronger, so as to achieve the effect of strengthening the strength of the frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional perspective schematic diagram of the utility model.
[0014] Figure 2 It is a schematic diagram of the side view of the present invention.
[0015] Figure 3 It is a schematic diagram of the split side view of the utility model.
[0016] Figure 4 It is a schematic diagram of the splitting of the three-dimensional viewing angle of the utility model.
[0017] Figure 5 It is a schematic diagram of the connection between the main frame and the fuel tank in the utility model.
[0018] Figure 6 It is a three-dimensional perspective schematic diagram of the main frame of the utility model.
[0019] Figure 7 Another three-dimensional perspective diagram of the main frame of the utility model.
[0020] In the figure: a main frame 10, a front vertical tube 101, a front beam portion 102, a left front beam 102a, a right front beam 102b, a rear beam portion 103, a left rear beam 103a, a right rear beam 103b, an attached beam portion 104, a left attached beam 104a, a right attached beam 104b, a front reinforcing beam 105, a reinforcing block 106, a rear reinforcing beam 107, a positioning groove 108, a fuel tank 20, a positioning protrusion 201, a subframe 30, a flat fork 40, a shock absorber 50, and a frame shell 60. DETAILED DESCRIPTION
[0021] The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.
[0022] It should be understood that the various steps described in the method implementation of the present utility model can be performed in different orders and / or performed in parallel. In addition, the method implementation may include additional steps and / or omit the steps shown. The scope of the present utility model is not limited in this respect.
[0023] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "connected" may be directly connected or indirectly connected through intermediate components (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.
[0024] It should be noted that the concepts such as "first" and "second" mentioned in the present invention are only used to distinguish between devices, modules or units, and are not used to limit these devices, modules or units to be different devices, modules or units, nor are they used to limit the order or interdependence of the functions performed by these devices, modules or units.
[0025] like Figures 1 to 7The frame assembly shown in the figure includes a main frame 10, which is an integrated structure and includes a front stand pipe 101, a front beam part 102 and a rear beam part 103. The front beam part 102 is arranged in an arc shape, and the front end of the front beam part 102 is connected to the front stand pipe 101, and the front end of the rear beam part 103 is connected to the middle section of the front beam part 102, so that the front half of the front beam part 102 and the rear beam part 103 form a "V"-shaped structure; to be precise, by dividing the main frame 10 into the front beam part 102 and the rear beam part 103, the front beam part 102 is arranged in an arc shape. 3, wherein the front beam portion 102 is an arc-shaped structure as a whole, and the front end of the rear beam portion 103 is connected to the middle section of the front beam portion 102, so that the front half of the front beam portion 102 and the rear beam portion 103 form a "V"-shaped structure, so that the front standpipe 101 located at the front end of the front beam portion 102, the rear end of the front beam portion 102 and the rear end of the rear beam portion 103 form a non-closed triangle, so as to enhance the stability of each fulcrum, and through the action of force and the balance relationship, the rigidity of the frame is made stronger, so as to achieve the effect of strengthening the strength of the frame.
[0026] Specifically, the front beam part 102 is arranged in an arc shape, and the front beam part 102 includes a left front beam 102a and a right front beam 102b which are symmetrical on both sides. The front ends of the left front beam 102a and the right front beam 102b are connected to the front standpipe 101, and the rear ends of the left front beam 102a and the right front beam 102b are connected. Compared with the traditional double-wing beam frame, the front beam part 102 as the main beam is shorter in length, and the rigidity of the frame is stronger.
[0027] Specifically, the rear beam portion 103 includes a left rear beam 103a and a right rear beam 103b which are symmetrical on both sides. The front end of the left rear beam 103a is connected to the left front beam 102a, the front end of the right rear beam 103b is connected to the right front beam 102b, and the left rear beam 103a is connected to the rear end of the right rear beam 103b, so that the front half of the front beam portion 102 and the rear beam portion 103 form a "V"-shaped structure. To be precise, a front reinforcing beam 105 is arranged between the front ends of the left front beam 102a and the right front beam 102b, and a reinforcing block 106 is arranged on the front reinforcing beam 105. The reinforcing block 106 is pivotally connected to the front end of the fuel tank 20, and the rear end of the fuel tank 20 is pivotally connected to the rear end of the rear beam portion 103, so that the fuel tank 20 provides a force for the frame to achieve the effect of strengthening the frame strength.
[0028] Specifically, the main frame 10 also includes an attached beam part 104, which includes a left attached beam 104a and a right attached beam 104b which are symmetrical on the left and right. The upper ends of the left attached beam 104a and the right attached beam 104b are respectively connected to the middle sections of the left rear beam 103a and the right rear beam 103b, and the lower ends of the left attached beam 104a and the right attached beam 104b are connected to the tail ends of the left front beam 102a and the right front beam 102b; to be precise, the middle part of the attached beam part 104 is rotatably connected to one end of the flat fork 40, and the swing strength of the frame is enhanced by the attached beam part 104.
[0029] It should be understood that the inner sides of the left front beam 102a, the right front beam 102b, the left rear beam 103a, the right rear beam 103b, the left auxiliary beam 104a and the right auxiliary beam 104b mentioned above are all open structures, and reinforcing ribs are distributed at the opening structures. By hollowing out various places of the main frame 10, the weight of the frame is further reduced, and the inner side of the main frame 10 also uses irregularly shaped staggered reinforcement ribs to improve the overall rigidity.
[0030] Specifically, a rear reinforcing beam 107 is arranged between the rear ends of the left rear beam 103a and the right rear beam 103b, and a positioning groove 108 is provided on the rear reinforcing beam 107. A positioning protrusion 201 is provided at the rear end of the fuel tank 20, and the positioning protrusion 201 is adapted to the positioning groove 108. It should be understood that the installation position of the fuel tank 20 is accurately positioned by first inserting the positioning protrusion 201 at the rear end of the fuel tank 20 into the positioning groove 108 of the rear reinforcing beam 107, and then pivoting the two ends of the fuel tank 20.
[0031] Specifically, a shock absorber 50 is pivotally connected between the rear ends of the left rear beam 103 a and the right rear beam 103 b , and the other end of the shock absorber 50 is pivotally connected to the flat fork 40 .
[0032] Specifically, a sub-frame 30 is also included, the front end of which is fixed to the rear end of the rear beam portion 103 by screws. The sub-frame 30 is extended rearward based on the main frame 10 to receive rear components such as a vehicle seat cushion.
[0033] Specifically, it also includes a frame shell 60. A plurality of screw holes are distributed on the main frame 10. The frame shell 60 is fixed to the outside of the main frame 10 by screws and the screw holes. This structure is a common assembly structure of the frame appearance covering.
[0034] In addition, the present invention can be used not only on fuel motorcycles but also on electric motorcycles and electric bicycles without departing from the scope of the appended claims.
[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A frame assembly, characterized in that: The vehicle comprises a main frame (10), the main frame (10) being an integral structure and comprising a front stand pipe (101), a front beam portion (102) and a rear beam portion (103), the front beam portion (102) being arranged in an arc shape, and the front end of the front beam portion (102) being connected to the front stand pipe (101), and the front end of the rear beam portion (103) being connected to the middle section of the front beam portion (102), so that the front half of the front beam portion (102) and the rear beam portion (103) form a "V"-shaped structure.
2. A vehicle frame assembly according to claim 1, characterized in that: The front beam part (102) comprises a left front beam (102a) and a right front beam (102b) which are symmetrical on the left and right sides, the front ends of the left front beam (102a) and the right front beam (102b) being connected to the front vertical pipe (101), and the rear ends of the left front beam (102a) and the right front beam (102b) being connected, and the rear beam part (103) comprises a left rear beam (103a) and a right rear beam (103b) which are symmetrical on the left and right sides, the front end of the left rear beam (103a) being connected to the left front beam (102a), the front end of the right rear beam (103b) being connected to the right front beam (102b), and the rear ends of the left rear beam (103a) and the right rear beam (103b) being connected.
3. A vehicle frame assembly according to claim 2, characterized in that: The main frame (10) further comprises an attached beam portion (104), the attached beam portion (104) comprising a left attached beam (104a) and a right attached beam (104b) which are symmetrical on the left and right sides, the upper ends of the left attached beam (104a) and the right attached beam (104b) being connected to the middle sections of the left rear beam (103a) and the right rear beam (103b) respectively, and the lower ends of the left attached beam (104a) and the right attached beam (104b) being connected to the rear ends of the left front beam (102a) and the right front beam (102b).
4. A vehicle frame assembly according to claim 3, characterized in that: The inner sides of the left front beam (102a), the right front beam (102b), the left rear beam (103a), the right rear beam (103b), the left auxiliary beam (104a) and the right auxiliary beam (104b) are all open structures, and reinforcing ribs are distributed at the opening structures.
5. A vehicle frame assembly according to claim 2, characterized in that: It also comprises an oil tank (20), a front reinforcing beam (105) being arranged between the front ends of the left front beam (102a) and the right front beam (102b), a reinforcing block (106) being arranged on the front reinforcing beam (105), the reinforcing block (106) being pivotally connected to the front end of the oil tank (20), a rear reinforcing beam (107) being arranged between the rear ends of the left rear beam (103a) and the right rear beam (103b), a positioning groove (108) being arranged on the rear reinforcing beam (107), a positioning protrusion (201) being arranged at the rear end of the oil tank (20), the positioning protrusion (201) being adapted to the positioning groove (108), and the rear end of the oil tank (20) being pivotally connected to the rear end of the rear beam portion (103).
6. A vehicle frame assembly according to claim 2, characterized in that: It also includes a sub-frame (30), the front end of the sub-frame (30) being fixed to the rear end of the rear beam part (103) by means of screws.
7. A vehicle frame assembly according to claim 5, characterized in that: It also includes a flat fork (40) and a shock absorber (50), wherein one end of the flat fork (40) is rotatably disposed in the middle of the attached beam portion (104), one end of the shock absorber (50) is pivotally connected to the flat fork (40), and the other end is pivotally connected between the rear ends of the left rear beam (103a) and the right rear beam (103b).
8. The vehicle frame assembly according to claim 1, characterized in that: It also includes a frame shell (60), a plurality of screw holes are distributed on the main frame (10), and the frame shell (60) is fixed to the outside of the main frame (10) by means of screws cooperating with the screw holes.