Quick dismounting and mounting structure for center shaft of two-wheeled vehicle

Abstract

The utility model discloses a quick disassembly and assembly structure for a center shaft of a two-wheeled vehicle, which comprises a center shaft part, a five-way part and a right bearing seat assembly, the five-way part is connected to the middle of the center shaft part, a left bearing is arranged on the left side in the five-way part, the right bearing seat assembly is connected to the right side of the five-way part, and the right bearing seat assembly is fixedly connected with the five-way part. The right bearing seat assembly plays a role of a bearing and is matched with the left bearing. And the right bearing seat assembly and the five-way part are further used for rapid disassembly and assembly on the middle shaft part, the middle shaft rapid disassembly and assembly structure is achieved, and the use experience is improved. Through the design, the quick disassembly and assembly structure for the center shaft of the two-wheeled vehicle can simplify the disassembly and assembly process, reduce the production cost, improve the durability, realize lightweight design, and realize high performance, low cost and easy maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of two-wheeled vehicles, in particular to a two-wheeled vehicle middle shaft quick disassembly and assembly structure. Background Art

[0002] In the field of two-wheeled vehicles, the middle axle is a key component of the pedal sprocket system, and its stability and durability are crucial to the performance of the entire vehicle. However, the existing two-wheeled vehicle middle axle structure is usually difficult to disassemble and assemble, and often requires the use of multiple tools and complex steps to disassemble and install, which increases the difficulty of maintenance and prolongs the maintenance time, so it is necessary to make improvements to the above problems. Summary of the invention

[0003] The utility model aims at the defects of the prior art such as the difficulty in disassembly and assembly, and provides a novel structure for quickly disassembling and assembling the middle shaft of a two-wheeled vehicle.

[0004] In order to solve the above technical problems, the utility model is implemented through the following technical solutions:

[0005] A two-wheeled vehicle mid-axle quick disassembly and assembly structure comprises a mid-axle portion, a five-way portion, and a right bearing seat assembly. The five-way portion is connected to the middle portion of the mid-axle portion, a left bearing is arranged on the left side of the five-way portion, the right bearing seat assembly is connected to the right side of the five-way portion, and the right bearing seat assembly is fixedly connected to the five-way portion.

[0006] The right bearing seat assembly plays the role of a bearing and cooperates with the left bearing. The right bearing seat assembly is also used for quick disassembly and assembly with the five-way part on the middle shaft, realizing a quick disassembly and assembly structure of the middle shaft and improving the use experience.

[0007] The utility model can simplify the disassembly and assembly process, reduce production costs, improve durability, achieve lightweight design, and realize a high-performance, low-cost, and easy-to-maintain two-wheeled vehicle center axle quick disassembly and assembly structure through the above design.

[0008] Preferably, in the above-mentioned quick disassembly and assembly structure of the middle axle of a two-wheeled vehicle, a right bearing seat portion is arranged in the right bearing seat assembly, a clamping block is arranged on the right side of the five-way portion, and an L-shaped clamping slot is arranged on the right side of the five-way portion, and the clamping block is engaged and connected with the L-shaped clamping slot.

[0009] The right bearing seat is used to connect with the five-way part. When installing, after the clamping block is inserted into the L-shaped clamping slot, the right bearing seat rotates, and the clamping block is engaged with the L-shaped clamping slot. When disassembling, it is rotated and pulled out, thereby realizing quick disassembly and assembly.

[0010] Preferably, in the above-described quick disassembly and assembly structure of the middle axle of a two-wheeled vehicle, the right bearing seat portion is provided with a bearing seat fixing hole and a fastening screw, the five-way portion is provided with a five-way fixing hole, the bearing seat fixing hole cooperates with the five-way fixing hole, and the bearing seat fixing hole and the five-way fixing hole are threadedly connected by the fastening screw.

[0011] The fixing effect is further ensured by tightening the screws. The tightening screws are easy to disassemble and install, and also ensure the realization of the quick disassembly and assembly structure of the central axis.

[0012] Preferably, in the above-mentioned quick disassembly and assembly structure of the middle axle of a two-wheeled vehicle, the clamping block is located on the outside of the right bearing seat portion, and the right bearing seat portion is inserted into the five-way portion.

[0013] The right bearing seat is inserted into the five-way portion, which has higher space utilization and higher connection structure strength.

[0014] Preferably, in the above-mentioned quick disassembly and assembly structure of the middle axle of a two-wheeled vehicle, a right bearing is arranged in the right bearing seat.

[0015] The right bearing is used to connect the middle shaft to achieve the rotation function.

[0016] Preferably, in the above-mentioned quick disassembly and assembly structure of the middle axle of a two-wheeled vehicle, a right bearing pad is also arranged in the right bearing seat.

[0017] The right bearing pad improves the structural stability at the right bearing.

[0018] Preferably, in the above-mentioned quick disassembly and assembly structure of the middle axle of a two-wheeled vehicle, the left bearing and the right bearing are both made of plastic material.

[0019] The plastic material takes into account both strength and cost.

[0020] Preferably, in the above-mentioned quick disassembly and assembly structure of the middle axle of a two-wheeled vehicle, the right bearing is snap-connected with the right bearing seat.

[0021] The snap-fit ​​connection facilitates disassembly and assembly, ensuring the realization of the quick disassembly and assembly structure of the central axis.

[0022] Preferably, in the above-mentioned quick disassembly and assembly structure of the middle shaft of a two-wheeled vehicle, the left bearing is snap-connected with the five-way portion.

[0023] The snap-fit ​​connection facilitates disassembly and assembly, ensuring the realization of the quick disassembly and assembly structure of the central axis. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an explosion diagram of the utility model;

[0025] Figure 2It is a partial cross-sectional schematic diagram of the right bearing seat assembly in the utility model;

[0026] Figure 3 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-3 The present invention is further described in detail with the following specific embodiments, but they are not intended to limit the present invention:

[0028] Example 1

[0029] A two-wheeled vehicle mid-axle quick disassembly and assembly structure includes a mid-axle portion 1, a five-way portion 2, and a right bearing seat assembly 3. The five-way portion 2 is connected to the middle portion of the mid-axle portion 1, a left bearing 11 is provided on the left side of the five-way portion 2, and the right bearing seat assembly 3 is connected to the right side of the five-way portion 2. The right bearing seat assembly 3 is fixedly connected to the five-way portion 2.

[0030] Preferably, a right bearing seat portion 31 is provided in the right bearing seat assembly 3, and a clamping block 32 is provided in the right bearing seat portion 31. An L-shaped clamping groove 21 is provided on the right side of the five-way portion 2, and the clamping block 32 is engaged and connected with the L-shaped clamping groove 21.

[0031] Preferably, the right bearing seat portion 31 is provided with a bearing seat fixing hole 33 and a fastening screw 34, the five-way portion 2 is provided with a five-way fixing hole 22, the bearing seat fixing hole 33 cooperates with the five-way fixing hole 22, and the bearing seat fixing hole 33 and the five-way fixing hole 22 are threadedly connected by the fastening screw 34.

[0032] Preferably, the clamping block 32 is located on the outside of the right bearing seat 31 , and the right bearing seat 31 is inserted into the five-way portion 2 .

[0033] Preferably, a right bearing 35 is disposed in the right bearing seat 31 .

[0034] Preferably, a right bearing pad 36 is further disposed in the right bearing seat 31 .

[0035] Preferably, the left bearing 11 and the right bearing 35 are both made of plastic.

[0036] Preferably, the right bearing 35 is engaged and connected with the right bearing seat 31 .

[0037] Preferably, the left bearing 11 is engaged and connected with the five-way portion 2 .

[0038] The number of the bearing seat fixing holes 33 is 2, corresponding to each other from top to bottom. The five-way fixing holes 22 and the fastening screws 34 are matched with the bearing seat fixing holes 33, and are threadedly connected from both the top and bottom sides.

[0039] A slot corresponding to the left bearing 11 is provided in the five-way portion 2 , and corresponding teeth are also provided on the left bearing 11 .

[0040] like Figure 2 As shown, a groove corresponding to the right bearing 35 is provided in the right bearing seat 31, and corresponding teeth are also provided on the right bearing 35.

[0041] like Figure 1 , Figure 3 As shown, during installation, the right bearing pad 36 is installed into the cavity of the right bearing seat 31 and pushed to the bottom, and then the right bearing 35 is inserted into the cavity of the right bearing seat 31 and contacts with the right bearing pad 36 to form the right bearing seat assembly 3. Then the left bearing 11 is inserted into the middle shaft 1 from the left side, and then the five-way part 2 is inserted into the middle shaft 1 from the left side, and then the right bearing seat assembly 3 is inserted into the middle shaft 1 from the right side and pushed to the bottom, and the right bearing seat assembly 3 is rotated to make the clamping block 32 engage with the L-shaped clamping groove 21, and then the fastening screw 34 is installed into the corresponding fixing hole for fastening, and the quick installation of the middle shaft is completed. When disassembling, the reverse operation can be quickly disassembled.

[0042] In conclusion, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application for the present invention should fall within the scope of the present invention.

Claims

1. A two-wheeled vehicle mid-axle quick disassembly and assembly structure, comprising a mid-axle portion (1) and a five-way portion (2), characterized in that: It also includes a right bearing seat assembly (3), the five-way portion (2) is connected to the middle part of the middle shaft portion (1), a left bearing (11) is arranged on the left side of the five-way portion (2), the right bearing seat assembly (3) is connected to the right side of the five-way portion (2), and the right bearing seat assembly (3) is fixedly connected to the five-way portion (2).

2. A two-wheeled vehicle middle axle quick disassembly and assembly structure according to claim 1, characterized in that: The right bearing seat assembly (3) is provided with a right bearing seat portion (31), the right bearing seat portion (31) is provided with a clamping block (32), the right side of the five-way portion (2) is provided with an L-shaped clamping groove (21), and the clamping block (32) is clamped and connected with the L-shaped clamping groove (21).

3. A two-wheeled vehicle middle axle quick disassembly and assembly structure according to claim 2, characterized in that: The right bearing seat portion (31) is provided with a bearing seat fixing hole (33) and a fastening screw (34), and the five-way portion (2) is provided with a five-way fixing hole (22). The bearing seat fixing hole (33) cooperates with the five-way fixing hole (22), and the bearing seat fixing hole (33) and the five-way fixing hole (22) are threadedly connected via the fastening screw (34).

4. The two-wheeled vehicle middle axle quick disassembly and assembly structure according to claim 2, characterized in that: The clamping block (32) is located outside the right bearing seat (31), and the right bearing seat (31) is inserted into the five-way portion (2).

5. The two-wheeled vehicle middle axle quick disassembly and assembly structure according to claim 2, characterized in that: A right bearing (35) is arranged inside the right bearing seat (31).

6. A two-wheeled vehicle middle axle quick disassembly and assembly structure according to claim 5, characterized in that: A right bearing pad (36) is also arranged in the right bearing seat (31).

7. The two-wheeled vehicle middle axle quick disassembly and assembly structure according to claim 5, characterized in that: The left bearing (11) and the right bearing (35) are both made of plastic.

8. The two-wheeled vehicle middle axle quick disassembly and assembly structure according to claim 5, characterized in that: The right bearing (35) is engaged and connected with the right bearing seat (31).

9. The two-wheeled vehicle middle axle quick disassembly and assembly structure according to claim 1, characterized in that: The left bearing (11) is snap-connected with the five-way portion (2).

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