Shock absorber of electric vehicle

Abstract

The utility model discloses an electric vehicle shock absorber, which relates to the technical field of electric vehicle shock absorbers, and comprises a shock absorption main body, the shock absorption main body comprises a shock absorber, one end of the shock absorber is provided with a shock absorption connecting movable rod, the other end of the shock absorber is provided with a buffer seat, and the outside of the shock absorption connecting movable rod is provided with a shock absorption main spring. A damping connecting plate is arranged on the side face of the buffer seat, a connecting column is arranged on the side face of the damping connecting plate, and a buffer assembly is arranged outside the connecting column. Buffering stability between the damping body and the connecting base is improved through the arranged buffering assembly, buffering of impact generated when the damping body works is achieved through the arranged two semicircular buffering frames and the rubber supporting columns in the semicircular buffering frames, and direct contact between the damping body and the connecting base is reduced; the impact force of the damping body on the connecting base is relieved, the buffering effect of the damping body is improved, and the service life of the damping body and the connecting base is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle shock absorbers, in particular to an electric vehicle shock absorber. Background Art

[0002] The shock absorber is a device that can improve the smoothness of a car's ride and attenuate vibrations. Its working principle is that when the frame and the axle vibrate and move relative to each other, the piston in the shock absorber moves up and down, and the oil in the shock absorber cavity repeatedly enters another cavity from one cavity through different pores, and the friction between the oil pore walls forms a damping force for shock absorption. The shock absorber assembly is a shock absorption system composed of the shock absorber, lower spring pad, dust cover, spring, etc.

[0003] In the shock absorber assembly, the shock absorber is mostly connected to the electric vehicle through a connecting seat. After long-term use, the shock absorber will cause great wear on the connecting seat, resulting in damage to the connecting seat, affecting the use of the shock absorber, and thus requiring replacement of the connection. Therefore, it is necessary to provide an electric vehicle shock absorber to solve the problem. Utility Model Content

[0004] The main purpose of the utility model is to provide an electric vehicle shock absorber, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A shock absorber for an electric vehicle comprises a shock absorber body, the shock absorber body comprises a shock absorber, a shock absorber connecting movable rod is arranged at one end of the shock absorber, and a buffer seat is arranged at the other end of the shock absorber, a limiting slide plate is arranged at one end of the shock absorber connecting movable rod, and an auxiliary shock absorber spring is arranged on the side of the limiting slide plate, a shock absorber main spring is arranged outside the shock absorber connecting movable rod, a shock absorber connecting plate is arranged on the side of the buffer seat, a side connection column of the shock absorber connecting plate, and a buffer assembly is arranged outside the connection column;

[0007] The buffer assembly comprises a semicircular buffer frame, a cavity is arranged in the middle of the semicircular buffer frame, a rubber support column is arranged in the middle of the cavity, a special-shaped buffer sheet is arranged on the side of the semicircular buffer frame, and a fixing bolt is arranged in the middle of the special-shaped buffer sheet.

[0008] Preferably, a shock-absorbing connecting movable rod is slidingly connected in the middle of the shock absorber, and the shock-absorbing connecting movable rod is fixedly connected to a limiting slide near the inside of the shock absorber, the outer wall of the limiting slide is slidingly connected to the inner wall of the shock-absorbing connecting movable rod, and an auxiliary shock-absorbing spring is fixedly connected to the side of the limiting slide away from the shock-absorbing connecting movable rod, the auxiliary shock-absorbing spring is connected to the inside of the shock-absorbing connecting movable rod, and a shock-absorbing main spring is provided on the outside of the shock-absorbing connecting movable rod and the shock absorber.

[0009] Preferably, the shock absorber has one end away from the shock absorbing connecting movable rod and fixedly connected with a buffer seat, and there are two buffer seats, which are symmetrically distributed at the opposite ends of the shock absorber and the shock absorbing connecting movable rod, and the buffer seat has one end away from the shock absorber and fixedly connected with a shock absorbing connecting plate, and a connecting column is fixedly connected in the middle of the shock absorbing connecting plate, and a positioning ring is provided in the middle of one end of the connecting column away from the shock absorbing connecting plate.

[0010] Preferably, there are two semicircular buffer frames, which are symmetrically distributed on both sides of the connecting column, and one of the semicircular buffer frames is fixedly connected to a plug-in block on the side close to the connecting column, and a cavity is opened in the middle of the other semicircular buffer frame, and the plug-in block is plugged into the inside of the cavity. There are two plug-in blocks, which are symmetrically distributed on both sides of the semicircular buffer frame.

[0011] Preferably, a threaded hole is provided on one side of the semicircular buffer frame close to the connecting column, and the threaded hole passes through the top and bottom ends of the semicircular buffer frame. There are multiple threaded holes, which are respectively arranged on one side of the semicircular buffer frame close to the connecting column. The inside of the threaded hole is connected to a connecting bolt through a thread, and the bottom of the connecting bolt passes through the plug-in block and is connected to the bottom of the semicircular buffer frame.

[0012] Preferably, the bottom of the semicircular buffer frame is in contact with the shock-absorbing connecting plate, and a special-shaped buffer piece is fixedly connected to the side of the semicircular buffer frame away from the shock-absorbing connecting plate, and there are two special-shaped buffer pieces, which are respectively arranged corresponding to the two semicircular buffer frames. The special-shaped buffer piece is clamped on the outer wall of the connecting column, and the special-shaped buffer piece is fit with the outer wall of the connecting column. A fixing bolt is threadedly connected in the middle of the special-shaped buffer piece, and the fixing bolt passes through the special-shaped buffer piece to connect with the connecting column.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, the buffering stability between the shock absorbing body and the connecting seat is improved by the provided buffering assembly, and the impact generated by the shock absorbing body during operation is buffered by the provided two semicircular buffer frames and the rubber support columns inside the frames, thereby reducing the direct contact between the shock absorbing body and the connecting seat, and mitigating the impact force of the shock absorbing body on the connecting seat, thereby improving the buffering effect of the shock absorbing body, and extending the service life of the shock absorbing body and the connecting seat, and the friction force at the connection between the shock absorbing body and the connecting seat is increased by the provided special-shaped buffer sheet and fixing bolts, thereby further improving the stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a first-view stereogram of the entire device of the utility model;

[0016] Figure 2 It is a second perspective stereogram of the entire device of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the cross section of the shock absorbing main body of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the unfolded buffer component of the utility model.

[0019] In the figure: 1. shock-absorbing body; 2. shock absorber; 3. shock-absorbing connecting movable rod; 4. buffer seat; 5. shock-absorbing connecting plate; 6. shock-absorbing main spring; 7. auxiliary shock-absorbing spring; 8. limiting slide plate; 9. connecting column; 10. positioning ring; 11. buffer assembly; 12. semicircular buffer frame; 13. cavity; 14. rubber support column; 15. plug-in block; 16. threaded hole; 17. connecting bolt; 18. special-shaped buffer sheet; 19. fixing bolt. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 , Figure 2 , Figure 3 As shown, an electric vehicle shock absorber comprises a shock absorbing body 1, the shock absorbing body 1 comprises a shock absorber 2, a shock absorbing connecting movable rod 3 is arranged at one end of the shock absorber 2, and a buffer seat 4 is arranged at the other end of the shock absorber 2, a limiting slide plate 8 is arranged at one end of the shock absorbing connecting movable rod 3, and an auxiliary shock absorbing spring 7 is arranged on the side of the limiting slide plate 8, a shock absorbing main spring 6 is arranged on the outside of the shock absorbing connecting movable rod 3, a shock absorbing connecting plate 5 is arranged on the side of the buffer seat 4, a side connecting column 9 of the shock absorbing connecting plate 5, and a buffer assembly 11 is arranged on the outside of the connecting column 9, a shock absorbing connecting movable rod 3 is slidably connected in the middle of the shock absorber 2, and the shock absorbing connecting movable rod 3 is fixedly connected to the limiting slide plate 8 near the inside of the shock absorber 2, and the limiting slide plate 8 The outer wall is slidably connected with the inner wall of the shock-absorbing connecting movable rod 3, and the side of the limiting slide plate 8 away from the shock-absorbing connecting movable rod 3 is fixedly connected with an auxiliary shock-absorbing spring 7, the auxiliary shock-absorbing spring 7 is connected to the inside of the shock-absorbing connecting movable rod 3, the shock-absorbing connecting movable rod 3 and the outer sleeve of the shock-absorbing connecting movable rod 3 are provided with a shock-absorbing main spring 6, the end of the shock absorber 2 away from the shock-absorbing connecting movable rod 3 is fixedly connected with a buffer seat 4, and there are two buffer seats 4, which are symmetrically distributed at the opposite ends of the shock absorber 2 and the shock-absorbing connecting movable rod 3, the end of the buffer seat 4 away from the shock absorber 2 is fixedly connected with a shock-absorbing connecting plate 5, and the middle of the shock-absorbing connecting plate 5 is fixedly connected with a connecting column 9, and a positioning ring 10 is provided in the middle of the end of the connecting column 9 away from the shock-absorbing connecting plate 5;

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the buffer assembly 11 includes a semicircular buffer frame 12, a cavity 13 is provided in the middle of the semicircular buffer frame 12, a rubber support column 14 is provided in the middle of the cavity 13, a special-shaped buffer sheet 18 is provided on the side of the semicircular buffer frame 12, and a fixing bolt 19 is provided in the middle of the special-shaped buffer sheet 18. There are two semicircular buffer frames 12, which are symmetrically distributed on both sides of the connecting column 9, and one of the semicircular buffer frames 12 is fixedly connected to a plug-in block 15 on one side close to the connecting column 9, and a cavity 13 is opened in the middle of the semicircular buffer frame 12 on the other side. The plug-in block 15 is plugged into the interior of the cavity 13. There are two plug-in blocks 15, which are symmetrically distributed on both sides of the semicircular buffer frame 12. A threaded hole 16 is provided on one side of the semicircular buffer frame 12 close to the connecting column 9, and the threaded hole 16 passes through the top and bottom of the semicircular buffer frame 12. There are multiple threaded holes 16, which are respectively arranged on one side of the semicircular buffer frame 12 close to the connecting column 9. The inside of the threaded hole 16 is connected with a connecting bolt 17 through a thread, and the bottom of the connecting bolt 17 passes through the plug-in block 15 and is connected to the bottom of the semicircular buffer frame 12. The bottom of the buffer frame 12 is in contact with the shock-absorbing connecting plate 5, and a special-shaped buffer sheet 18 is fixedly connected to the side of the semicircular buffer frame 12 away from the shock-absorbing connecting plate 5, and there are two special-shaped buffer sheets 18, which are respectively arranged corresponding to the two semicircular buffer frames 12, and the special-shaped buffer sheet 18 is clamped on the outer wall of the connecting column 9, and the special-shaped buffer sheet 18 is in contact with the outer wall of the connecting column 9. The middle of the special-shaped buffer sheet 18 is connected with a fixing bolt 19 through a thread, and the fixing bolt 19 passes through the special-shaped buffer sheet 18 and is connected to the connecting column 9. The buffer assembly 11 provided is improved The buffering stability between the shock-absorbing body 1 and the connecting seat is achieved by providing two semicircular buffer frames 12 and the rubber support columns 14 inside them to buffer the impact generated by the shock-absorbing body 1 during operation, reduce the direct contact between the shock-absorbing body 1 and the connecting seat, mitigate the impact force of the shock-absorbing body 1 on the connecting seat, improve the buffering effect of the shock-absorbing body 1, and extend the service life of the shock-absorbing body 1 and the connecting seat. In addition, the friction force at the connection between the shock-absorbing body 1 and the connecting seat is increased by providing the special-shaped buffer sheet 18 and the fixing bolts 19, thereby further improving the stability of the connection.

[0023] It should be noted that the utility model is a shock absorber for an electric vehicle. When in use, the two semicircular buffer frames 12 are respectively clamped on the outside of the two sides of the connecting column 9, so that the semicircular buffer frame 12 is fixedly connected to the special-shaped buffer sheet 18, and the special-shaped buffer sheet 18 is clamped on the side outer wall of the connecting column 9, and the two special-shaped buffer sheets 18 are symmetrically distributed on both sides of the positioning ring 10, so that the plug-in block 15 on the side of one of the semicircular buffer frames 12 is plugged into the cavity 13 in the middle of the other semicircular buffer frame 12, so that the inner walls of the two semicircular buffer frames 12 are in contact with the outer wall of the connecting column 9, and then the connecting bolt 17 is inserted into the threaded hole 16 on the side of the semicircular buffer frame 12, and the connecting bolt 17 is tightened, so that the connecting bolt 17 passes through the plug-in block 15 and is connected to the bottom end of the semicircular buffer frame 12, completing the stable connection of the two semicircular buffer frames 12, and then The fixing bolt 19 is connected to the middle of the special-shaped buffer sheet 18 through a thread, so that the fixing bolt 19 passes through the special-shaped buffer sheet 18 and is connected to the inside of the connecting column 9, thereby realizing the positioning of the special-shaped buffer sheet 18, and the connecting column 9 and the positioning ring 10 are inserted into the inside of the connecting seat, and the connection is positioned by a tool, and the friction between the connecting column 9 and the connecting seat is increased by the set special-shaped buffer sheet 18, so as to further improve the stability of the connection, and the buffer assembly 11 is located between the shock-absorbing connecting plate 5 and the connecting seat. When vibration occurs, the semicircular buffer frame 12 and the rubber support column 14 achieve the barrier between the shock-absorbing body 1 and the connection, mitigate the impact force applied to the connecting seat, and extend the use stability of the connecting seat, wherein the connecting seat is connected to the electric vehicle, and the shock-absorbing connecting active rod 3, the shock-absorbing main spring 6 and the auxiliary shock-absorbing spring 7 are used in combination to further improve the shock-absorbing effect.

[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. 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 may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A shock absorber for an electric vehicle, comprising a shock absorbing body (1), characterized in that: The shock absorbing body (1) comprises a shock absorber (2), one end of the shock absorber (2) is provided with a shock absorbing connecting movable rod (3), and the other end of the shock absorber (2) is provided with a buffer seat (4), one end of the shock absorbing connecting movable rod (3) is provided with a limiting slide plate (8), and the side of the limiting slide plate (8) is provided with an auxiliary shock absorbing spring (7), the outside of the shock absorbing connecting movable rod (3) is provided with a shock absorbing main spring (6), the side of the buffer seat (4) is provided with a shock absorbing connecting plate (5), the side of the shock absorbing connecting plate (5) is connected with a side connecting column (9), and the outside of the connecting column (9) is provided with a buffer assembly (11); The buffer assembly (11) comprises a semicircular buffer frame (12), a cavity (13) is arranged in the middle of the semicircular buffer frame (12), a rubber support column (14) is arranged in the middle of the cavity (13), a special-shaped buffer sheet (18) is arranged on the side of the semicircular buffer frame (12), and a fixing bolt (19) is arranged in the middle of the special-shaped buffer sheet (18).

2. The electric vehicle shock absorber according to claim 1, characterized in that: A shock absorbing connecting movable rod (3) is slidably connected in the middle of the shock absorber (2), and a limiting slide plate (8) is fixedly connected to the inside of the shock absorbing connecting movable rod (3) close to the shock absorber (2), the outer wall of the limiting slide plate (8) is slidably connected to the inner wall of the shock absorbing connecting movable rod (3), and an auxiliary shock absorbing spring (7) is fixedly connected to the side of the limiting slide plate (8) away from the shock absorbing connecting movable rod (3), the auxiliary shock absorbing spring (7) is connected to the inside of the shock absorbing connecting movable rod (3), and a shock absorbing main spring (6) is sleeved on the outside of the shock absorbing connecting movable rod (3) and the shock absorber (2).

3. The electric vehicle shock absorber according to claim 2, characterized in that: The end of the shock absorber (2) away from the shock absorbing connecting movable rod (3) is fixedly connected to a buffer seat (4), and there are two buffer seats (4), which are symmetrically distributed at the opposite ends of the shock absorber (2) and the shock absorbing connecting movable rod (3), and the end of the buffer seat (4) away from the shock absorber (2) is fixedly connected to a shock absorbing connecting plate (5), and the middle of the shock absorbing connecting plate (5) is fixedly connected to a connecting column (9), and a positioning ring (10) is provided in the middle of the end of the connecting column (9) away from the shock absorbing connecting plate (5).

4. The electric vehicle shock absorber according to claim 1, characterized in that: There are two semicircular buffer frames (12), which are symmetrically distributed on both sides of the connecting column (9), and a plug-in block (15) is fixedly connected to one side of the semicircular buffer frame (12) close to the connecting column (9), and a cavity (13) is opened in the middle of the other semicircular buffer frame (12), and the plug-in block (15) is plugged into the inside of the cavity (13). There are two plug-in blocks (15), which are symmetrically distributed on both sides of the semicircular buffer frame (12).

5. The electric vehicle shock absorber according to claim 4, characterized in that: A threaded hole (16) is provided on one side of the semicircular buffer frame (12) close to the connecting column (9), and the threaded hole (16) passes through the top and bottom of the semicircular buffer frame (12). There are a plurality of threaded holes (16), which are respectively arranged on one side of the semicircular buffer frame (12) close to the connecting column (9). A connecting bolt (17) is connected to the inside of the threaded hole (16) through a thread, and the bottom of the connecting bolt (17) passes through the plug-in block (15) and is connected to the bottom of the semicircular buffer frame (12).

6. The electric vehicle shock absorber according to claim 5, characterized in that: The bottom of the semicircular buffer frame (12) contacts the shock-absorbing connecting plate (5), and a special-shaped buffer sheet (18) is fixedly connected to the side of the semicircular buffer frame (12) away from the shock-absorbing connecting plate (5), and there are two special-shaped buffer sheets (18), which are respectively arranged corresponding to the two semicircular buffer frames (12), and the special-shaped buffer sheet (18) is clamped on the outer wall of the connecting column (9), and the special-shaped buffer sheet (18) is fitted with the outer wall of the connecting column (9), and a fixing bolt (19) is connected to the middle of the special-shaped buffer sheet (18) through a thread, and the fixing bolt (19) passes through the special-shaped buffer sheet (18) and is connected to the connecting column (9).

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