Framework of automobile shock absorber

Abstract

The utility model provides an automobile shock absorber framework which comprises a hydraulic supporting column, a spring seat and a threaded sleeve, the spring seat is in threaded connection with the hydraulic supporting column, the threaded sleeve is detachably connected with the hydraulic supporting column, and the spring seat is in threaded connection with the threaded sleeve. The device further comprises a first spring isolation plate and a second spring isolation plate, the first spring isolation plate is fixedly installed at the output end of the hydraulic prop, and the second spring isolation plate is installed on the spring seat. The spring is installed between the first spring isolation plate and the second spring isolation plate, when the spring applies jacking force to the threaded sleeve through the spring seat, even if threads of the spring seat and the threaded sleeve are damaged and deformed, the spring seat or the threaded sleeve can be replaced, and compared with the prior art that the whole hydraulic prop is replaced, the whole hydraulic prop is convenient to replace. And the maintenance cost of the shock absorber framework is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shock absorbers, in particular to a shock absorber framework for a vehicle. BACKGROUND

[0002] Shock absorbers are used to suppress the shock of spring rebound and the impact from the road, and are widely used in vehicles to improve the ride comfort of the vehicle.

[0003] The shock absorber mainly comprises a hydraulic strut, a spring seat, a spring isolation plate, a dust cover, a spring and a shock cover, wherein the spring isolation plate is provided with two spring isolation plates respectively at both ends of the spring to fix the spring. The spring seat is fixedly installed on the hydraulic strut, one of the spring isolation plates is fixedly installed on the spring seat, and the other is installed on the top pushing end of the hydraulic strut; the length of the spring cannot be changed after the conventional shock absorber is assembled, so that the shock absorber is single in adapting to the road conditions and has a narrow range of adaptation, which cannot meet the use of various road conditions.

[0004] In order to solve this problem, the outer surface of the hydraulic strut is provided with threads, and the spring seat is threadedly connected with the threads on the hydraulic strut to change the axial position of the spring seat on the hydraulic strut, so as to solve the problem of the pre-pressing force of the spring. By adjusting the length of the spring, the softness and hardness of the shock absorber can be adjusted so as to be applicable to different road conditions.

[0005] In the above improved scheme, since the threads are directly arranged on the outer surface of the hydraulic strut, the spring seat is subjected to the elastic force of spring jumping during the operation of the shock absorber, so that the threads of the spring seat and the threads are easily damaged. Thereafter, the hydraulic strut needs to be replaced as a whole, resulting in high maintenance cost of the shock absorber.

[0006] Therefore, how to design a shock absorber framework capable of reducing the maintenance cost of shock absorber parts has become a technical problem to be solved by those skilled in the art. CONTENT OF THE INVENTION

[0007] The present application provides a shock absorber framework for a vehicle to at least solve the above technical problems in the prior art.

[0008] A shock absorber framework for a vehicle is provided, which comprises a hydraulic strut and a spring seat, the spring seat is threadedly connected with the hydraulic strut, further comprising a threaded sleeve, the threaded sleeve is detachably connected with the hydraulic strut, and the spring seat is threadedly connected with the threaded sleeve.

[0009] Further comprising a first spring isolation plate and a second spring isolation plate, the first spring isolation plate is fixedly installed on the output end of the hydraulic strut, and the second spring isolation plate is installed on the spring seat.

[0010] A spring is mounted between the first spring isolation plate and the second spring isolation plate.

[0011] In an embodiment, the outer wall of the hydraulic prop is fixedly provided with a connecting disc, and the connecting disc is fixedly connected with the threaded sleeve through a bolt.

[0012] In an embodiment, the spring seat is provided with a threaded portion, and the threaded portion is threadedly connected with the threaded sleeve.

[0013] In an embodiment, an auxiliary wrench is further included, which is fixedly mounted on the peripheral wall of the spring seat and extends along the radial direction of the spring seat.

[0014] In an embodiment, the first spring isolation plate and the second spring isolation plate are both provided with a limiting slot, and the two ends of the spring are respectively inserted into the limiting slots.

[0015] In an embodiment, a connecting piece is further included, which is mounted between the second spring isolation plate and the spring seat to fix the second spring isolation plate and the spring seat.

[0016] In an embodiment, the connecting piece includes a connecting ring slot, a bolt rod, and a nut, the connecting ring slot is arranged on the spring seat, the cross section of the connecting ring slot is in an inverted "T" shape, the nut of the bolt rod extends into the connecting ring slot and abuts against the inner wall of the connecting ring slot, the rod portion of the bolt rod extends upward through the second spring isolation plate, the nut is threadedly connected with the bolt rod, and the nut and the nut of the bolt rod are respectively located on the two sides of the second spring isolation plate.

[0017] In an embodiment, a gasket is further included, which is sleeved on the rod portion of the bolt rod, and the gasket abuts against the inner wall of the connecting ring slot during installation.

[0018] In an embodiment, the spring seat is provided with a mounting hole in communication with the connecting ring slot, and the hole diameter of the mounting hole is greater than the diameter of the nut of the bolt rod so as to mount the bolt rod in the connecting ring slot.

[0019] In an embodiment, the second spring isolation plate is provided with a sinking slot, and the nut is mounted in the sinking slot.

[0020] Compared with the prior art, the automobile shock absorber framework has the following beneficial effects:

[0021] The threaded sleeve is detachably connected with the hydraulic prop, and the spring seat is threadedly connected with the threaded sleeve to enable the spring seat to move along the axial direction of the hydraulic prop, since the first spring isolation plate is fixedly installed on the output end of the hydraulic prop, and the second spring isolation plate is installed on the spring seat, by rotating the spring seat, the distance between the first spring isolation plate and the second spring isolation plate can be adjusted, so that the pre-pressing force of the spring is changed by changing the length of the spring, so that the shock absorber can be applied to different road conditions; when the spring applies a thrust force to the threaded sleeve through the spring seat, even if the threads of the spring seat and the threaded sleeve are damaged and deformed, the spring seat or the threaded sleeve can be replaced, compared with the prior art of replacing the entire hydraulic prop, the maintenance cost of the shock absorber framework is reduced.

[0022] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the application, nor is it used to limit the scope of the application. Other features of the application will become apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and other objects, features and advantages of the exemplary embodiments of the present application will be more apparent from the following detailed description read in conjunction with the accompanying drawings, in which:

[0024] In the drawings, identical or corresponding reference signs refer to identical or corresponding parts.

[0025] Figure 1 The overall structural schematic diagram of the present application is shown;

[0026] Figure 2 The expanded schematic diagram of the present application is shown;

[0027] Figure 3 The partial sectional view of the present application is shown;

[0028] Figure 4 The partial enlarged schematic diagram of the present application is shown; Figure 3

[0029] Figure 5 The installation schematic diagram of the second spring isolation plate of the present application is shown.

[0030] Explanation of reference signs in the drawings:

[0031] 1, hydraulic prop; 10, connecting disc;

[0032] 2, spring seat; 21, threaded portion; 22, auxiliary wrench;

[0033] 3, threaded sleeve;

[0034] ​41, first spring isolation plate; 42, second spring isolation plate; 421, settling tank; 43, limiting groove;

[0035] 5, spring; 6, bolt;

[0036] 7, connecting piece; 71, connecting ring groove; 72, bolt rod; 73, nut; 74, gasket; 75, mounting hole;

[0037] 8, shock absorbing cover; 9, dust cover. DETAILED DESCRIPTION

[0038] In order to make the purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] As shown in Figure 1 , it comprises a hydraulic prop 1, a threaded sleeve 3 detachably mounted on the body of the hydraulic prop 1, and a spring seat 2, wherein the spring seat 2 is threadedly connected with the threaded sleeve 3 so that the spring seat 2 can move along the axial direction of the body of the hydraulic prop 1, as shown in Figure 2 , it further comprises a first spring isolation plate 41, a second spring isolation plate 42 and a spring 5, specifically, the first spring isolation plate 41 is fixedly installed on the output end of the hydraulic prop 1, the second spring isolation plate 42 is installed on the spring seat 2, and the spring 5 is sleeved outside the hydraulic prop 1 and located between the first spring isolation plate 41 and the second spring isolation plate 42, wherein the two ends of the spring 5 respectively abut against the first spring isolation plate 41 and the second spring isolation plate 42.

[0040] Through the above arrangement, when it is necessary to adapt the shock absorber to different road conditions, the spring seat 2 is rotated, so that the position of the spring seat 2 on the hydraulic prop 1 changes, thereby changing the distance between the first spring isolation plate 41 and the second spring isolation plate 42, and the length of the spring 5 changes. At this time, the pre-pressing force of the spring 5 can be adjusted to change the softness and hardness of the shock absorber, so as to adapt to different road conditions.

[0041] In order to reduce the interference of external dust on the hydraulic prop 1, in the present embodiment, as shown in Figure 1 , it further comprises a dust cover 9, wherein the dust cover 9 is sleeved outside the telescopic rod of the hydraulic prop 1 to protect the telescopic rod of the hydraulic prop 1.

[0042] It further comprises a shock absorbing cover 8, as shown in Figure 1As shown, the damping cover 8 is fixedly installed at the output end of the hydraulic prop 1 and limits the position of the first spring isolation plate 41, solving the problem of axial movement of the first spring isolation plate 41 along the hydraulic prop 1.

[0043] In the prior art, the spring seat 2 is connected with the outer surface of the hydraulic prop 1 by thread connection, and when the spring 5 pushes the spring seat 2, the threads on the surface of the hydraulic prop 1 and the threads on the spring seat 2 are easily damaged, and the hydraulic prop 1 or the spring seat 2 needs to be replaced as a whole to complete the repair work. Since the hydraulic prop 1 has a matching piston and precise parts inside, the maintenance cost of the shock absorber is increased.

[0044] Therefore, in the embodiment, as shown in Figure 2 , the threaded sleeve 3 is detachably connected with the hydraulic prop 1, and when the threads are damaged, only the spring seat 2 or the threaded sleeve 3 needs to be replaced, thereby reducing the maintenance cost.

[0045] Specifically, in the embodiment, as shown in Figure 2 , Figure 3 and Figure 4 , the outer surface of the hydraulic prop 1 is fixedly provided with a connecting disc 10, wherein the connecting disc 10 is fixedly connected with the threaded sleeve 3 by the bolt 6, thereby fixing the threaded sleeve 3 with the hydraulic prop 1.

[0046] After the shock absorber is repaired, the position of the spring 5 needs to be adjusted so that the position of the spring 5 before and after the repair does not change, and therefore, in the embodiment, as shown in Figure 3 , the first spring isolation plate 41 and the second spring isolation plate 42 are both provided with a limiting groove 43, and when the spring 5 is installed, the ends of the spring 5 are respectively inserted into the limiting grooves 43 of the first spring isolation plate 41 and the second spring isolation plate 42, thereby limiting the movement of the position of the spring 5 during the adjustment process.

[0047] In order to realize the connection between the spring seat 2 and the threaded sleeve 3, in the embodiment, as shown in Figure 5 , the spring seat 2 is provided with a threaded part 21, and the threaded part 21 is threadedly connected with the threads on the threaded sleeve 3.

[0048] In order to facilitate the rotation of the spring seat 2 relative to the hydraulic prop 1, in the embodiment, as shown in Figure 2 and Figure 5 , an auxiliary wrench 22 is further fixedly installed on the peripheral wall of the spring seat 2 and extends radially outward along the hydraulic prop 1.

[0049] The auxiliary wrench 22 can push the spring seat 2 to rotate around the axis of the hydraulic prop 1.

[0050] Generally, the second spring isolation plate 42 is in abutting relationship with the spring seat 2, and the spring 5 is in compression state. When the auxiliary wrench 22 rotates the spring seat 2, the static friction between the spring seat 2 and the second spring isolation plate 42 can rotate the second spring isolation plate 42 together, thereby causing the spring 5 to be twisted, which easily affects the adjustment of the pre-pressing force of the spring 5.

[0051] Therefore, in the embodiment, the connecting relationship between the second spring isolation plate 42 and the spring seat 2 needs to be adjusted.

[0052] Specifically, in the embodiment, as shown in Figure 3 , Figure 4 and Figure 5 , a connecting piece 7 is further included, wherein the connecting piece 7 is used to fix the spring seat 2 and the second spring isolation plate 42.

[0053] The connecting piece 7 includes a connecting ring groove 71, a bolt rod 72 and a nut 73. The connecting ring groove 71 is arranged on the spring seat 2, and the longitudinal section of the connecting ring groove 71 is in inverted “T” shape. The rod part of the bolt rod 72 extends upward through the second spring isolation plate 42, and the nut of the bolt rod 72 is located in the connecting ring groove 71. The nut of the bolt rod 72 abuts against the inner wall of the connecting ring groove 71. The nut 73 is threadedly connected with the rod part of the bolt rod 72. The nut 73 and the nut of the bolt rod 72 are respectively located on both sides of the second spring isolation plate 42. When the nut 73 is tightened, the second spring isolation plate 42 and the spring seat 2 are fixed by the connecting piece 7, so as to prevent the second spring isolation plate 42 from rotating.

[0054] When the pre-pressing force of the spring 5 needs to be adjusted, the nut 73 is loosened. At this time, the friction between the nut of the bolt rod 72 and the connecting ring groove 71 is reduced. When the spring seat 2 starts to rotate, the bolt rod 72 moves in the connecting ring groove 71, so as to keep the second spring isolation plate 42 and the hydraulic prop 1 relatively static in the circumferential direction. When the spring seat 2 moves along the axial direction of the hydraulic prop 1, the second spring isolation plate 42 can be synchronously moved by the connecting piece 7, so as to solve the problem that the angle of the spring 5 changes during the adjustment.

[0055] In order to further ensure the stability of the fixation between the spring seat 2 and the second spring isolation plate 42, in the embodiment, as shown in Figure 5 , a gasket 74 is further included, wherein the gasket 74 is sleeved on the outside of the bolt rod 72, and the gasket 74 abuts against the inner wall of the connecting ring groove 71.

[0056] In order to install the nut of the bolt rod 72 in the connecting ring groove 71, as shown in Figure 5 , an installation hole 75 is further included, which is arranged on the spring seat 2 and communicates with the connecting ring groove 71. The hole diameter of the installation hole 75 is greater than the diameter of the nut of the bolt rod 72, so as to realize the installation of the bolt rod 72.

[0057] The second spring isolation plate 42 is further provided with a settling groove 421, and the nut 73 is arranged in the settling groove 421.

[0058] It should be understood that the various forms of flow shown above can be used to reorder, add or delete steps. For example, the steps described in the present disclosure can be executed in parallel, sequentially or in a different order, as long as the desired results of the technical solutions disclosed in the present application can be achieved, which is not limited herein.

[0059] In addition, the terms "first", "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0060] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A motor vehicle shock absorber skeleton comprising a hydraulic strut (1) and a spring seat (2) which is screwed to the hydraulic strut (1), characterized in that The threaded sleeve (3) is detachably connected with the hydraulic prop (1), and the spring seat (2) is threadedly connected with the threaded sleeve (3). The first spring isolation plate (41) is fixedly installed on the output end of the hydraulic prop (1), and the second spring isolation plate (42) is installed on the spring seat (2). The spring (5) is installed between the first spring isolation plate (41) and the second spring isolation plate (42).

2. The automobile shock absorber skeleton according to claim 1, wherein The connecting disc (10) is fixedly connected with the threaded sleeve (3) through the bolt (6).

3. A vehicle shock absorber sleeve according to claim 1 or 2, wherein The threaded part (21) is threadedly connected with the threaded sleeve (3).

4. The automobile shock absorber skeleton according to claim 1 or 2, wherein The auxiliary wrench (22) is fixedly installed on the peripheral wall of the spring seat (2) and extends along the radial direction of the spring seat (2).

5. The automotive shock absorber sleeve according to claim 1, wherein The first spring isolation plate (41) and the second spring isolation plate (42) are both provided with the limiting groove (43), and the two ends of the spring (5) are respectively inserted into the limiting grooves (43).

6. The automotive shock absorber sleeve according to claim 5, wherein The connecting piece (7) is installed between the second spring isolation plate (42) and the spring seat (2) to fix the second spring isolation plate (42) and the spring seat (2).

7. The automotive shock absorber sleeve according to claim 6, wherein The connecting piece (7) includes the connecting ring groove (71), the bolt rod (72), and the nut (73), the connecting ring groove (71) is arranged on the spring seat (2), the cross section of the connecting ring groove (71) is inverted "T" type, the nut of the bolt rod (72) extends into the connecting ring groove (71) and abuts against the inner wall of the connecting ring groove (71), the rod part of the bolt rod (72) penetrates through the second spring isolation plate (42) and extends upward, the nut (73) is threadedly connected with the bolt rod (72), and the nuts of the bolt rod (72) and the nut (73) are respectively located on the two sides of the second spring isolation plate (42).

8. The automotive shock absorber sleeve according to claim 7, wherein The gasket (74) is sleeved on the rod part of the bolt rod (72), and during installation, the gasket (74) abuts against the inner wall of the connecting ring groove (71).

9. The automotive shock absorber sleeve according to claim 7, wherein The mounting hole (75) in communication with the connecting ring groove (71) is arranged on the spring seat (2), and the hole diameter of the mounting hole (75) is greater than the diameter of the nut of the bolt rod (72) to enable the bolt rod (72) to be installed in the connecting ring groove (71).

10. The automotive shock absorber sleeve according to claim 1, wherein The second spring isolation plate (42) is provided with the settling groove (421), and the nut (73) is installed in the settling groove (421).

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