Automobile shock absorber bushing

Abstract

The utility model relates to the technical field of automobile parts, in particular to an automobile shock absorber bushing which comprises an outer shaft sleeve, a shock-proof sleeve is fixedly connected in the outer shaft sleeve, sealing mechanisms are arranged at the two ends of the shock-proof sleeve, and each sealing mechanism comprises a first sealing groove, a second sealing groove, a sealing cover plate, a sealing plate, a sealing strip and a supporting spring. An inner shaft sleeve is fixedly connected to the surface of the side, close to the anti-vibration sleeve, of the sealing plate and inserted into the inner side of the anti-vibration sleeve, and a first connecting block is rotationally connected to the side, away from the anti-vibration sleeve, of the sealing plate. The sealing plate is clamped in the first sealing groove, the sealing strip is clamped in the second sealing groove, and the sealing cover plate and the sealing plate are pushed towards the two sides through the tension of the supporting spring, so that the sealing plate and the sealing strip are tightly attached to the first sealing groove and the second sealing groove correspondingly; meanwhile, thread teeth on the side face of the sealing cover plate are tightly attached to thread grooves in the ends of the outer shaft sleeve, looseness is avoided, and the sealing performance of the two ends of the outer shaft sleeve and the shockproof sleeve is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to an automobile shock absorber bushing. Background Art

[0002] Shock absorbers are used to suppress the shock caused by the rebound of springs after shock absorption and the impact from the road surface. They are widely used in automobiles to accelerate the attenuation of frame and body vibrations to improve the driving smoothness of the car. Shock absorber bushings are the connecting parts between the two ends of the shock absorber and the car body. They also play a certain role in buffering and shock absorption. They need to have good wear resistance, shock absorption and pressure resistance. Automobile shock absorber bushings will age and crack during long-term use.

[0003] Among them, the announcement number CN220396359U discloses a car shock absorber bushing, which relates to the technical field of car shock absorber bushings, including a combined inner cylinder, the outer wall of the combined inner cylinder is snap-connected with a shockproof sleeve, the outer wall of the shockproof sleeve is fitted and connected with an outer cylinder, the inner wall of the outer cylinder is fixedly connected with a closing component, the closing component includes a sealing plug for sealing, one end of the combined inner cylinder is fixedly connected with an inner shaft, the outer wall of the inner shaft is fixedly connected with a universal mounting plate, the outer wall of the inner shaft is slidably connected with a cover plate, the outer wall of the outer cylinder is fixedly connected with a threaded mounting cylinder, and the inner wall of the shockproof sleeve is provided with an oil groove. The present application combines the combined inner cylinder by threading the cover plate with the threaded mounting cylinder, and the movable universal mounting plate allows the inner shaft to rotate along the cover plate, thereby increasing the flexibility of the outer torsion angle, facilitating the use of the combined inner cylinder with the bushing at various angles, and rotating the outer cover plate to disassemble the cover plate and the combined inner cylinder from the inside of the outer cylinder.

[0004] This device increases the flexibility of the outer torsion angle, making it easier to use in combination with the bushing at various angles. However, the sealing between the inner surface of the cover and the shockproof sleeve and both ends of the outer cylinder is low. During long-term use, it is affected by vibration and wear, which can easily cause the internal oil to leak from the connection between the inner shaft and the cover, and its safety is low.

[0005] Therefore, it is necessary to invent a kind of automobile shock absorber bushing to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an automobile shock absorber bushing to solve the problem that the sealing performance between the inner surface of the cover plate and the shockproof sleeve and the two ends of the outer cylinder is low, and the internal oil is easily leaked from the connection between the inner shaft and the cover plate due to vibration and wear during long-term use, resulting in low safety in use.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile shock absorber bushing, comprising an outer sleeve, a shockproof sleeve is fixedly connected to the inside of the outer sleeve, sealing mechanisms are arranged at both ends of the shockproof sleeve, the sealing mechanisms include a first sealing groove, a second sealing groove, a sealing cover plate, a sealing plate, a sealing strip, and a support spring, an inner sleeve is fixedly connected to the surface of the sealing plate close to the shockproof sleeve, the inner sleeve is inserted into the inner side of the shockproof sleeve, the sealing plate is rotatably connected to a first connecting block on the side away from the shockproof sleeve, the end of the first connecting block facing away from the sealing plate is fixedly connected to a mounting plate, and the mounting plate is rotatably connected to the sealing cover plate.

[0008] By adopting the above technical solution, the inner sleeve is inserted into the interior of the shockproof sleeve, and the sealing plate is clamped in the interior of the first sealing groove, and the sealing strip is clamped in the interior of the second sealing groove. Next, the sealing cover plate is threadedly connected to the end of the outer sleeve. At this time, the sealing cover plate squeezes the supporting spring, and the tension of the supporting spring pushes the sealing cover plate and the sealing plate to both sides, so that the sealing plate and the sealing strip are tightly fitted with the first sealing groove and the second sealing groove respectively, and at the same time, the threaded teeth on the side of the sealing cover plate are tightly fitted with the threaded groove at the end of the outer sleeve to avoid loosening, thereby effectively improving the sealing performance of both ends of the outer sleeve and the shockproof sleeve.

[0009] Optionally, the lower end of the support spring is fixedly connected to the upper surface of the sealing plate, the end of the support spring away from the sealing plate abuts against the inner surface of the sealing cover plate, and the sealing cover plate is threadedly connected to the upper and lower ends of the outer sleeve respectively.

[0010] By adopting the above technical solution, the sealing cover plate is used to fix the two ends of the outer shaft sleeve.

[0011] Optionally, the first sealing groove is respectively opened on the upper and lower side surfaces of the shockproof sleeve, and the second sealing groove is opened on the inner bottom wall of the first sealing groove.

[0012] Optionally, the sealing strip is fixedly connected to the lower surface of the sealing plate, the sealing plate is clamped inside the first sealing groove, and the sealing strip is clamped inside the second sealing groove.

[0013] By adopting the above technical solution, the sealing plate is clamped inside the first sealing groove, and the sealing strip is clamped inside the second sealing groove, so that the two ends of the shockproof sleeve are sealed.

[0014] Optionally, a clamping block is fixedly connected to one end of the first connecting block close to the sealing plate, and a first limiting groove is formed at an edge of a surface of one side of the clamping block close to the sealing cover plate.

[0015] Optionally, a second connecting block is fixedly connected to the middle position of the upper surface of the sealing plate, a clamping groove is provided on the inner side of the second connecting block, and a second limiting groove is provided on the inner wall of the clamping groove away from the sealing plate.

[0016] Optionally, the clamping block is rotatably connected to the clamping groove, and balls are arranged inside the first limiting groove and the second limiting groove.

[0017] By adopting the above technical solution, the clamping block rotates inside the clamping groove, so that the mounting plate can rotate around the sealing plate, adjust the direction of the mounting plate, and at the same time improve the smoothness of rotation through multiple sets of balls.

[0018] Optionally, the side walls of the outer sleeve, the shockproof sleeve and the inner sleeve are all provided with oil filling holes, the three groups of oil filling holes are interconnected, and the inner parts of the oil filling holes on the surface of the outer sleeve are clamped with sealing plugs.

[0019] By adopting the above technical solution, the oil filling hole is used to fill oil into the inner part of the outer shaft sleeve and the shockproof sleeve.

[0020] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0021] 1. The utility model inserts the inner sleeve into the shockproof sleeve, clamps the sealing plate into the first sealing groove, clamps the sealing strip into the second sealing groove, and then threading the sealing cover plate with the end of the outer sleeve, thereby effectively improving the sealing performance of both ends of the outer sleeve and the shockproof sleeve, avoiding leakage of internal oil, and solving the problem that the sealing performance of the inner surface of the cover plate and both ends of the shockproof sleeve and the outer cylinder is low, which is easily affected by vibration and wear during long-term use, causing the internal oil to easily leak from the connection between the inner shaft and the cover plate, resulting in low safety in use;

[0022] 2. The utility model squeezes the support spring through the sealing cover plate, and the tension of the support spring pushes the sealing cover plate and the sealing plate to both sides, so that the sealing plate and the sealing strip are tightly fitted with the first sealing groove and the second sealing groove respectively, and at the same time, the threaded teeth on the side of the sealing cover plate are tightly fitted with the threaded groove at the end of the outer sleeve to avoid loosening, thereby further improving the sealing performance at both ends of the outer sleeve and the shockproof sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 The internal structure of the utility model is shown in FIG. Figure 1 (Sealing cover connection status);

[0025] Figure 3 The internal structure of the utility model is shown in FIG. Figure 2 (Seal cover plate separated state);

[0026] Figure 4 This is a schematic diagram of the sealing mechanism structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the sealing plate structure of the utility model;

[0028] Figure 6 It is a schematic diagram of the structure of the shockproof sleeve of the utility model.

[0029] Description of reference numerals:

[0030] 1. Outer sleeve; 11. Shockproof sleeve; 13. Oil filling hole; 14. First sealing groove; 15. Second sealing groove; 16. Sealing plug; 2. Sealing cover plate; 21. Mounting plate; 22. First connecting block; 23. Clamping block; 24. First limiting groove; 25. Ball; 3. Sealing plate; 31. Second connecting block; 32. Clamping groove; 33. Second limiting groove; 34. Sealing strip; 35. Inner sleeve; 37. Support spring. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] The utility model provides Figures 1 to 3 The automobile shock absorber bushing shown in the figure comprises an outer sleeve 1, a shockproof sleeve 11 is fixedly connected to the inside of the outer sleeve 1, and sealing mechanisms are arranged at both ends of the shockproof sleeve 11, the sealing mechanisms comprise a first sealing groove 14, a second sealing groove 15, a sealing cover plate 2, a sealing plate 3, a sealing strip 34, and a supporting spring 37, an inner sleeve 35 is fixedly connected to the surface of the sealing plate 3 close to the shockproof sleeve 11, the inner sleeve 35 is plugged into the inner side of the shockproof sleeve 11, a first connecting block 22 is rotatably connected to the side of the sealing plate 3 away from the shockproof sleeve 11, an end of the first connecting block 22 away from the sealing plate 3 is fixedly connected to a mounting plate 21, and the mounting plate 21 is rotatably connected to the sealing cover plate 2, and side walls of the outer sleeve 1, the shockproof sleeve 11 and the inner sleeve 35 are all provided with oil filling holes 13, and three groups of oil filling holes 13 are interconnected, and sealing plugs 16 are clamped inside the oil filling holes 13 on the surface of the outer sleeve 1.

[0033] Among them, the shockproof sleeve 11 cushions the shock absorber during use and reduces the wear of the connection. The inner sleeve 35 is inserted into the inside of the shockproof sleeve 11, and the sealing plate 3 is clamped in the inside of the first sealing groove 14, and the sealing strip 34 is clamped in the inside of the second sealing groove 15. Next, the sealing cover plate 2 is threadedly connected to the end of the outer sleeve 1, which effectively improves the sealing performance at both ends of the outer sleeve 1 and the shockproof sleeve 11.

[0034] Meanwhile, during use, the sealing plug 16 is taken outward, and the oil filling hole 13 is opened. At this time, oil is filled into the outer sleeve 1 and the interior of the shockproof sleeve 11 through the oil filling hole 13, and then the oil filling hole 13 is sealed with the sealing plug 16.

[0035] See also Figures 4 to 6 The lower end of the support spring 37 is fixedly connected to the upper surface of the sealing plate 3, and the end of the support spring 37 away from the sealing plate 3 abuts against the inner surface of the sealing cover plate 2. The sealing cover plate 2 is threadedly connected to the upper and lower ends of the outer shaft sleeve 1, respectively. The first sealing groove 14 is respectively opened on the upper and lower surfaces of the shockproof sleeve 11, and the second sealing groove 15 is opened on the inner bottom wall of the first sealing groove 14. The sealing strip 34 is fixedly connected to the lower surface of the sealing plate 3, and the sealing plate 3 is clamped inside the first sealing groove 14. The sealing strip 34 is clamped in the second sealing groove 15. Internally, the first connecting block 22 is fixedly connected to one end of the sealing plate 3 with a clamping block 23, and a first limiting groove 24 is provided at the edge of the surface of the clamping block 23 on one side close to the sealing cover plate 2. A second connecting block 31 is fixedly connected to the middle position of the upper surface of the sealing plate 3, and a clamping groove 32 is provided on the inner side of the second connecting block 31. A second limiting groove 33 is provided on the inner wall of the clamping groove 32 away from the sealing plate 3. The clamping block 23 is rotatably connected to the clamping groove 32, and balls 25 are arranged inside the first limiting groove 24 and the second limiting groove 33.

[0036] Specifically, during installation, adjust the position of the inner sleeve 35 and insert the inner sleeve 35 into the interior of the shockproof sleeve 11 from both ends of the shockproof sleeve 11. At this time, the sealing plate 3 is clamped in the interior of the first sealing groove 14, and the sealing strip 34 is clamped in the interior of the second sealing groove 15. Next, press the sealing cover plate 2 to one side of the shockproof sleeve 11, and rotate the sealing cover plate 2 to make it threadedly connected with the position of the outer sleeve 1. During the installation of the sealing cover plate 2, the sealing cover plate 2 will squeeze the supporting spring 37, and the tension of the supporting spring 37 will push the sealing cover plate 2 and the sealing plate 3 to both sides, so that the sealing plate 3 and the sealing strip 34 are tightly fitted with the first sealing groove 14 and the second sealing groove 15 respectively, and at the same time, the threaded teeth on the side of the sealing cover plate 2 are tightly fitted with the threaded groove at the end of the outer sleeve 1.

[0037] In addition, after the device is installed, the mounting plate 21 is connected to the external component, and the clamping block 23 is rotated inside the clamping groove 32 to increase the flexibility of the outer torsion angle.

[0038] The working principle of the utility model is as follows: by clamping the sealing plate 3 inside the first sealing groove 14 and the sealing strip 34 inside the second sealing groove 15, the tension of the supporting spring 37 pushes the sealing cover plate 2 and the sealing plate 3 to both sides, so that the sealing plate 3 and the sealing strip 34 are tightly fitted with the first sealing groove 14 and the second sealing groove 15 respectively, and at the same time, the threaded teeth on the side of the sealing cover plate 2 are tightly fitted with the threaded groove at the end of the outer sleeve 1 to avoid loosening, thereby effectively improving the sealing performance at both ends of the outer sleeve 1 and the shockproof sleeve 11.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An automobile shock absorber bushing, comprising an outer sleeve (1), characterized in that: The outer shaft sleeve (1) is fixedly connected to the interior of the shockproof sleeve (11), and sealing mechanisms are provided at both ends of the shockproof sleeve (11), the sealing mechanisms comprising a first sealing groove (14), a second sealing groove (15), a sealing cover plate (2), a sealing plate (3), a sealing strip (34), and a supporting spring (37). The surface of the sealing plate (3) close to the shockproof sleeve (11) is fixedly connected to the inner shaft sleeve (35), and the inner shaft sleeve (35) is plugged into the inner side of the shockproof sleeve (11). The side of the sealing plate (3) facing away from the shockproof sleeve (11) is rotatably connected to a first connecting block (22), and the end of the first connecting block (22) facing away from the sealing plate (3) is fixedly connected to a mounting plate (21), and the mounting plate (21) is rotatably connected to the sealing cover plate (2).

2. The automobile shock absorber bushing according to claim 1, characterized in that: The lower end of the support spring (37) is fixedly connected to the upper surface of the sealing plate (3), and one end of the support spring (37) away from the sealing plate (3) abuts against the inner surface of the sealing cover plate (2), and the sealing cover plate (2) is respectively threadedly connected to the upper and lower ends of the outer shaft sleeve (1).

3. The automobile shock absorber bushing according to claim 1, characterized in that: The first sealing groove (14) is respectively formed on the upper and lower surfaces of the shockproof sleeve (11), and the second sealing groove (15) is formed on the inner bottom wall of the first sealing groove (14).

4. The automobile shock absorber bushing according to claim 1, characterized in that: The sealing strip (34) is fixedly connected to the lower surface of the sealing plate (3); the sealing plate (3) is clamped inside the first sealing groove (14); and the sealing strip (34) is clamped inside the second sealing groove (15).

5. The automobile shock absorber bushing according to claim 1, characterized in that: One end of the first connection block (22) close to the sealing plate (3) is fixedly connected to a clamping block (23), and a first limiting groove (24) is provided at an edge of a surface of one side of the clamping block (23) close to the sealing cover plate (2).

6. The automobile shock absorber bushing according to claim 5, characterized in that: A second connection block (31) is fixedly connected to the middle of the upper surface of the sealing plate (3), a clamping groove (32) is provided on the inner side of the second connection block (31), and a second limiting groove (33) is provided on the inner wall of the clamping groove (32) on a side away from the sealing plate (3).

7. The automobile shock absorber bushing according to claim 6, characterized in that: The clamping block (23) is rotatably connected to the clamping groove (32), and balls (25) are arranged inside the first limiting groove (24) and the second limiting groove (33).

8. The automobile shock absorber bushing according to claim 1, characterized in that: The side walls of the outer shaft sleeve (1), the shockproof sleeve (11) and the inner shaft sleeve (35) are all provided with oil injection holes (13), the three groups of oil injection holes (13) are interconnected, and sealing plugs (16) are clamped inside the oil injection holes (13) on the surface of the outer shaft sleeve (1).

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