Frame lower tube combination device

Abstract

The utility model discloses a frame lower pipe combination device which comprises two sets of frame lower pipe rigid supporting pieces, two sets of frame lower pipe elastic buffering structures, two sets of vehicle body connectors, two sets of wheel connectors and two sets of buffering energy discharging assemblies. The vehicle body connector is fixedly installed on the outer surfaces of one ends of the two sets of vehicle frame lower pipe rigid supporting pieces. According to the frame lower pipe combination device, through the arranged supporting reinforcing structure, the frame lower pipe rigid supporting piece can be reinforced, the anti-pressure capacity of the frame lower pipe is improved, and therefore the service life is prolonged, and due to the arranged frame lower pipe rigid supporting piece, the service life of the frame lower pipe is prolonged. The frame lower pipe rigid supporting piece is composed of an upper arc-shaped pipe and a lower arc-shaped pipe, and the supporting reinforcing structure can be conveniently installed in the frame lower pipe rigid supporting piece.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle accessories, in particular to a frame lower tube assembly device. Background Art

[0002] At present, electric vehicles, as a way of green travel, have become an indispensable means of transportation in people's daily lives; the electric vehicle frame downtube assembly is one of the most important components of electric vehicles, and its safety directly affects the service life of electric vehicles.

[0003] In the prior art, the frame down tube is generally a hollow structure with poor compression resistance, thereby reducing the service life.

[0004] To this end, we propose a frame down tube assembly device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a frame down tube assembly device, which has the advantages of a support and reinforcement structure and can improve the strength of the frame down tube, and can effectively solve the problems in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a frame down tube assembly device, including a frame down tube rigid support member, a frame down tube elastic buffer structure, a body connector, a wheel connector and a buffer energy unloading component, and the number of the frame down tube rigid support member, the wheel connector and the buffer energy unloading component are two groups, the body connector is fixedly installed on the outer surface of one end of the two groups of frame down tube rigid support members, the frame down tube elastic buffer structure is fixedly installed between the two groups of frame down tube rigid support members at one end close to the body connector, and the wheel connector is fixedly installed on the frame down tube The other end outer surface of the rigid support member, the buffer energy unloading assembly is fixedly installed on the outer surface of the upper end of the frame down tube rigid support member near the wheel connector, and a support reinforcement structure is installed inside the frame down tube rigid support member, and two groups of the support reinforcement structures are installed in a group of the frame down tube rigid support members, the support reinforcement structure includes a solid shaft and an inner wall support structure, and the number of the inner wall support structures in a group of the support reinforcement structures is two groups, the inner wall support structure includes a collar, a support arm and an arc support block, and the frame down tube rigid support member includes an upper arc tube and a lower arc tube.

[0009] Preferably, the buffer energy unloading assembly includes a damper, a compression spring, an upper movable connector and a lower movable connector, the lower movable connector is fixedly mounted on one end of the outer surface of the upper end of the upper arc tube close to the wheel connector, the compression spring is movably sleeved on the outer wall of the upper part of the damper, the lower movable connector is connected to the lower end outer surface of the damper, and the upper movable connector is connected to the upper end outer surface of the damper.

[0010] Preferably, the inner wall support structure is fixedly mounted on the outer walls at both ends of the solid shaft.

[0011] Preferably, the ring is fixedly mounted on the outer wall of the solid shaft, and the number of the support arms and the arc-shaped support blocks in a group of the inner wall support structure is four groups, the four groups of support arms are fixedly mounted on the outer wall of the ring at equal intervals, and the arc-shaped support block is fixedly mounted on the outer surface of one end of the support arm away from the ring.

[0012] Preferably, the arc-shaped support block and the inner wall of the lower arc-shaped tube are welded.

[0013] Preferably, the outer surface of the lower end of the upper arc-shaped tube is welded to the outer surface of the upper end of the lower arc-shaped tube.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a frame down tube assembly device, which has the following beneficial effects:

[0016] 1. The frame down tube assembly device can strengthen the rigid support member of the frame down tube by providing a support reinforcement structure, thereby improving the compression resistance of the frame down tube and thus increasing the service life.

[0017] 2. The frame down tube assembly device is provided with a frame down tube rigid support member, and the frame down tube rigid support member is composed of an upper arc tube and a lower arc tube, which is convenient for installing the support reinforcement structure inside the frame down tube rigid support member. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of a frame down tube assembly device.

[0019] Figure 2 The utility model is a structural schematic diagram of a buffer energy unloading component in a frame down tube assembly device.

[0020] Figure 3 The utility model is a cross-sectional view of one end of a rigid support member of a vehicle frame down tube in a vehicle frame down tube assembly device.

[0021] Figure 4 The utility model is a structural schematic diagram of a support and reinforcement structure in a frame down tube assembly device.

[0022] Figure 5 This is a rendering of the effect after the frame down tube assembly is connected to the rear wheel.

[0023] In the figure: 1. Rigid support member of the frame lower tube; 2. Elastic buffer structure of the frame lower tube; 3. Vehicle body connector; 4. Wheel connector; 5. Buffer and energy unloading assembly; 6. Damper; 7. Compression spring; 8. Upper movable connector; 9. Lower movable connector; 10. Upper arc tube; 11. Lower arc tube; 12. Support reinforcement structure; 13. Solid shaft; 14. Inner wall support structure; 15. Ring; 16. Support arm; 17. Arc support block. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] This embodiment is a frame down tube assembly device.

[0026] like Figure 1-5 As shown, it includes a frame downtube rigid support member 1, a frame downtube elastic buffer structure 2, a body connector 3, a wheel connector 4 and a buffer energy unloading assembly 5, and the number of the frame downtube rigid support member 1, the wheel connector 4 and the buffer energy unloading assembly 5 are two groups, the body connector 3 is fixedly installed on the outer surface of one end of the two groups of frame downtube rigid support members 1, the frame downtube elastic buffer structure 2 is fixedly installed between the two groups of frame downtube rigid support members 1 at one end close to the body connector 3, the wheel connector 4 is fixedly installed on the outer surface of the other end of the frame downtube rigid support member 1, and the buffer energy unloading assembly 5 It is fixedly installed on the outer surface of the upper end of the rigid support member 1 of the frame down tube near one end of the wheel connector 4, and a support reinforcement structure 12 is installed inside the rigid support member 1 of the frame down tube. Two groups of support reinforcement structures 12 are installed in a group of rigid support members 1 of the frame down tube. The support reinforcement structure 12 includes a solid shaft 13 and an inner wall support structure 14, and the number of inner wall support structures 14 in a group of support reinforcement structures 12 is two groups. The inner wall support structure 14 includes a collar 15, a support arm rod 16 and an arc support block 17. The rigid support member 1 of the frame down tube includes an upper arc tube 10 and a lower arc tube 11.

[0027] The buffer energy unloading assembly 5 includes a damper 6, a compression spring 7, an upper movable joint 8 and a lower movable joint 9. The lower movable joint 9 is fixedly mounted on the outer surface of the upper end of the upper arc tube 10, close to the wheel joint 4. The compression spring 7 is movably sleeved on the outer wall of the upper part of the damper 6. The lower movable joint 9 is connected to the outer surface of the lower end of the damper 6. The upper movable joint 8 is connected to the outer surface of the upper end of the damper 6. The inner wall support structure 14 is fixedly mounted on the outer walls of both ends of the solid shaft 13. The ring 15 is fixedly mounted on the outer wall of the solid shaft 13. There are four groups of support arms 16 and arc-shaped support blocks 17 in a group of inner wall support structures 14. The four groups of support arms 16 are fixedly mounted on the outer wall of the collar 15 at equal intervals. The arc-shaped support block 17 is fixedly mounted on the outer surface of one end of the support arm 16 away from the collar 15. The arc-shaped support block 17 is welded to the inner wall of the lower arc-shaped tube 11. The outer surface of the lower end of the upper arc-shaped tube 10 is welded to the outer surface of the upper end of the lower arc-shaped tube 11.

[0028] It should be noted that the utility model is a frame down tube assembly device. The frame down tube elastic buffer structure 2, the body connector 3, the wheel connector 4 and the buffer unloading assembly 5 recorded in the text all belong to the prior art, which can be effectively known to the technicians in the relevant technical field, and the details are not repeated here. Through the support reinforcement structure 12, the arc support block 17 in the inner wall support structure 14 contacts the inner walls of the lower arc tube 11 and the upper arc tube 10, which can play a supporting role, avoid the compression deformation of the frame down tube rigid support member 1, improve the pressure resistance, and thus improve the service life; the frame down tube rigid support member 1 is composed of an upper arc tube 10 and a lower arc tube 11, which is convenient for installing the support reinforcement structure 12 inside the frame down tube rigid support member 1. First, the support reinforcement structure 12 is installed in the lower arc tube 11, and the arc support block 17 is welded to the inner wall of the lower arc tube 11. Then, the upper arc tube 10 is installed, and the upper arc tube 10 is welded to the upper end outer surface of the lower arc tube 11.

[0029] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A frame down tube assembly device, comprising a frame down tube rigid support member (1), a frame down tube elastic buffer structure (2), a vehicle body connector (3), a wheel connector (4) and a buffer energy unloading assembly (5), wherein the frame down tube rigid support member (1), the wheel connector (4) and the buffer energy unloading assembly (5) are each in two groups, characterized in that: The vehicle body connector (3) is fixedly mounted on the outer surface of one end of the two groups of the frame lower tube rigid support members (1); the frame lower tube elastic buffer structure (2) is fixedly mounted between the two groups of the frame lower tube rigid support members (1) at one end close to the vehicle body connector (3); the wheel connector (4) is fixedly mounted on the outer surface of the other end of the frame lower tube rigid support member (1); the buffer energy unloading assembly (5) is fixedly mounted on the outer surface of the upper end of the frame lower tube rigid support member (1) at one end close to the wheel connector (4); and the inner portion of the frame lower tube rigid support member (1) is fixedly mounted on the outer surface of the upper end of the frame lower tube rigid support member (1) at one end close to the wheel connector (4). A support reinforcement structure (12) is installed, and two groups of the support reinforcement structures (12) are installed in one group of the frame downtube rigid support member (1), the support reinforcement structure (12) comprises a solid shaft (13) and an inner wall support structure (14), and the number of the inner wall support structures (14) in one group of the support reinforcement structure (12) is two groups, the inner wall support structure (14) comprises a collar (15), a support arm rod (16) and an arc-shaped support block (17), and the frame downtube rigid support member (1) comprises an upper arc-shaped tube (10) and a lower arc-shaped tube (11).

2. A frame down tube assembly device according to claim 1, characterized in that: The buffer energy unloading assembly (5) comprises a damper (6), a compression spring (7), an upper movable joint (8) and a lower movable joint (9); the lower movable joint (9) is fixedly mounted on an end of the upper outer surface of the upper arc tube (10) close to the wheel joint (4); the compression spring (7) is movably sleeved on the outer wall of the upper part of the damper (6); the lower movable joint (9) is connected to the lower outer surface of the damper (6); and the upper movable joint (8) is connected to the upper outer surface of the damper (6).

3. A frame down tube assembly device according to claim 2, characterized in that: The inner wall support structure (14) is fixedly mounted on the outer walls at both ends of the solid shaft (13).

4. A frame down tube assembly device according to claim 3, characterized in that: The collar (15) is fixedly mounted on the outer wall of the solid shaft (13); the number of the support arm rods (16) and the arc-shaped support blocks (17) in a group of the inner wall support structure (14) is four; the four groups of the support arm rods (16) are fixedly mounted on the outer wall of the collar (15) at equal intervals; and the arc-shaped support block (17) is fixedly mounted on the outer surface of one end of the support arm rod (16) away from the collar (15).

5. A frame down tube assembly device according to claim 4, characterized in that: The arc-shaped support block (17) and the inner wall of the lower arc-shaped tube (11) are welded.

6. A frame down tube assembly device according to claim 5, characterized in that: The lower end outer surface of the upper arc-shaped tube (10) and the upper end outer surface of the lower arc-shaped tube (11) are welded.

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