Adjustable automobile shock absorber

Abstract

The utility model relates to the technical field of shock absorbers, in particular to an adjustable automobile shock absorber which comprises an installation cylinder, an assembly plate, a damping rod, a piston, a damping spring, a debugging mechanism and a sealing mechanism. The assembly plate is connected with the mounting cylinder; the damping rod is arranged on the mounting cylinder, penetrates through the mounting cylinder and is in sliding connection with the mounting cylinder; the piston is arranged in the mounting cylinder and connected with the damping rod, and the piston is in sliding connection with the mounting cylinder; the damping spring is mounted in the mounting cylinder, and one end of the damping spring is connected with the piston; the debugging mechanism is arranged in the mounting cylinder, one end of the debugging mechanism is connected with the damping spring, and the adjusting end of the debugging mechanism extends out of the mounting cylinder. The position of the adjusting plate is changed, so that elastic deformation of the damping spring is adjusted, the damping value of the damper is changed, meanwhile, the threaded rod is locked through self-locking between the adjusting worm gear and the adjusting worm, and the situation that the adjusting effect is affected by accidental rotation of the threaded rod is avoided.

Description

Technical Field

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

[0002] Automobile shock absorbers are a kind of shock-absorbing devices in automobiles. In order to quickly attenuate the vibration of the frame and body and thus improve the smoothness and comfort of the car's driving, shock absorbers are generally installed on the car's suspension system. The shock absorbers can buffer the pressure generated by bumps, making the car run more smoothly.

[0003] Patent authorization announcement number CN213117253U discloses a damping adjustable shock absorber for automobiles, which includes a shock absorber; the shock absorber is built with a piston, a buffer rod is fixed in the middle of the top of the piston, the buffer rod runs through the top of the shock absorber, a fixed spring disk is arranged on the top of the shock absorber, a spring is fixed on the top of the fixed spring disk, the end of the spring is connected to the bottom of the turntable, and a threaded wall is arranged on the top of the outer wall of the buffer rod; a bearing is arranged on the top of the turntable, an adjustment head is arranged on the top of the bearing, a threaded groove is provided inside the adjustment head, and rod grooves are provided at the four corners of the outer wall of the adjustment head, and the buffer rod is plugged into the turntable, the bearing and the adjustment head. The utility model provides an adjustment mechanism on the buffer rod, so that the elastic deformation of the spring can be adjusted to change the damping value of the shock absorber, so that corresponding adjustments can be made to different road conditions, greatly improving the comfort during use.

[0004] However, the above technical solution has the following shortcomings: the shock absorber is debugged through threads and sleeves, but during use, the sleeves are easily rotated by external forces such as vibration, resulting in changes in the debugged damping value, affecting the debugging effect and shock absorption effect of the shock absorber. Utility Model Content

[0005] The utility model aims to provide an adjustable automobile shock absorber in view of the problems existing in the background technology.

[0006] The technical solution of the utility model is: an adjustable automobile shock absorber, comprising:

[0007] Install the barrel;

[0008] An assembly plate connected to the mounting cylinder;

[0009] A damping rod is arranged on the mounting tube, the damping rod penetrates the mounting tube and is slidably connected to the mounting tube;

[0010] A piston is disposed in the mounting cylinder, the piston is connected to the damping rod, and the piston is slidably connected to the mounting cylinder;

[0011] A shock absorbing spring is installed in the installation cylinder, and one end of the shock absorbing spring is connected to the piston;

[0012] A debugging mechanism is arranged in the installation tube, one end of the debugging mechanism is connected to the shock absorbing spring, and the adjustment end of the debugging mechanism extends to the outside of the installation tube;

[0013] The sealing mechanism is arranged in the installation tube, and the fixed sealing end of the sealing mechanism is connected to the installation tube.

[0014] Preferably, the debugging mechanism includes a threaded rod, a threaded sleeve, an adjustment plate and an adjustment assembly;

[0015] The threaded rod is arranged in the installation barrel, and the threaded rod is rotatably connected to the installation barrel;

[0016] The threaded sleeve is threadedly connected to the threaded rod;

[0017] The adjusting plate is connected with the threaded sleeve, and the adjusting plate is slidably connected with the mounting tube along the axial direction of the mounting tube;

[0018] One end of the adjusting component is transmission connected to the threaded rod, and the other end of the adjusting component is transmission connected to the mounting cylinder.

[0019] Preferably, the adjustment assembly includes an adjustment worm wheel, an adjustment worm and an adjustment hand wheel;

[0020] The adjusting worm gear is connected to the threaded rod;

[0021] The adjusting worm is located in the mounting tube, the adjusting worm is meshed with the adjusting worm wheel, one end of the adjusting worm is rotatably connected to the mounting tube, and the other end of the adjusting worm extends to the outside of the mounting tube;

[0022] The adjusting hand wheel is connected with the adjusting worm.

[0023] Preferably, the sealing mechanism includes a limit ring, a preload spring, a dynamic sealing ring and a fixed sealing ring;

[0024] The limiting ring is located in the installation tube, and the limiting ring is connected to the adjusting worm;

[0025] The preload spring is sleeved on the adjusting worm, and one end of the preload spring is connected to the limiting ring;

[0026] The dynamic sealing ring is sleeved on the adjusting worm, the dynamic sealing ring is slidably connected with the adjusting worm, and the dynamic sealing ring is connected with the other end of the preload spring;

[0027] The fixed sealing ring is sleeved on the adjusting worm, the fixed sealing ring is rotationally connected with the adjusting worm, and one end of the fixed sealing ring is connected with the mounting cylinder.

[0028] Preferably, a damping hole is formed through the piston, and a plurality of damping holes are provided, and the plurality of damping holes are evenly distributed on the piston.

[0029] Preferably, it also includes a sealing ring, wherein a plurality of sealing rings are provided, the outer rings of the plurality of sealing rings are all connected to the mounting tube, and the inner rings of the plurality of sealing rings are all slidably connected to the damping rod.

[0030] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0031] The utility model can adjust the elastic deformation of the shock absorber spring by changing the position of the adjustment plate to change the damping value of the shock absorber, and at the same time, the threaded rod is locked by the self-locking between the adjustment worm wheel and the adjustment worm to prevent the threaded rod from accidentally rotating and affecting the debugging effect. The dynamic sealing ring fits with the fixed sealing ring under the action of the preload spring to ensure the sealing of the installation cylinder and prevent the hydraulic oil in the installation cylinder from leaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A three-dimensional diagram of an embodiment of the present utility model;

[0033] Figure 2 A cross-sectional view of an embodiment of the present utility model;

[0034] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0035] Figure 4 A three-dimensional diagram of a debugging mechanism in an embodiment of the utility model;

[0036] Figure 5 This is a cross-sectional view of a sealing mechanism in an embodiment of the present invention.

[0037] Figure numerals: 1. Mounting cylinder; 2. Assembly plate; 3. Damping rod; 4. Debugging mechanism; 41. Threaded rod; 42. Threaded sleeve; 43. Adjusting plate; 44. Adjusting assembly; 441. Adjusting worm gear; 442. Adjusting worm; 443. Adjusting handwheel; 5. Sealing mechanism; 51. Limiting ring; 52. Preload spring; 53. Dynamic sealing ring; 54. Fixed sealing ring; 6. Piston; 7. Shock-absorbing spring; 8. Damping hole; 9. Sealing ring. DETAILED DESCRIPTION

[0038] Embodiment 1

[0039] like Figure 1-5 As shown, the utility model provides an adjustable automobile shock absorber, comprising a mounting tube 1, an assembly plate 2, a damping rod 3, a sealing ring 9, a piston 6, a shock absorbing spring 7, a debugging mechanism 4 and a sealing mechanism 5;

[0040] The assembly plate 2 is fixedly connected to the bottom end of the installation tube 1;

[0041] The damping rod 3 is arranged on the mounting tube 1, the damping rod 3 penetrates the mounting tube 1 and is slidably connected to the mounting tube 1, and one end of the damping rod 3 located outside the mounting tube 1 is fixedly connected with a connector;

[0042] There are multiple sealing rings 9, the outer rings of the multiple sealing rings 9 are fixedly connected to the mounting tube 1, and the inner rings of the multiple sealing rings 9 are slidably connected to the damping rod 3.

[0043] The piston 6 is arranged in the mounting cylinder 1, the piston 6 is fixedly connected to the damping rod 3, the piston 6 is slidably connected to the mounting cylinder 1, a damping hole 8 is opened through the piston 6, and a plurality of damping holes 8 are arranged, and the plurality of damping holes 8 are evenly distributed on the piston 6;

[0044] The damping spring 7 is installed in the installation cylinder 1, and one end of the damping spring 7 is fixedly connected to the piston 6;

[0045] The debugging mechanism 4 is arranged in the installation tube 1, one end of the debugging mechanism 4 is connected to the shock absorbing spring 7, and the adjustment end of the debugging mechanism 4 extends to the outside of the installation tube 1;

[0046] The sealing mechanism 5 is disposed in the installation tube 1 , and a fixed sealing end of the sealing mechanism 5 is fixedly connected to the installation tube 1 .

[0047] Embodiment 2

[0048] like Figure 2-4 As shown, the utility model proposes an adjustable automobile shock absorber. Compared with the first embodiment, the present embodiment further specifically discloses the structure of the debugging mechanism 4; the debugging mechanism 4 includes a threaded rod 41, a threaded sleeve 42, an adjustment plate 43 and an adjustment assembly 44;

[0049] The threaded rod 41 is disposed in the installation tube 1, and the threaded rod 41 is rotatably connected to the bottom of the inner wall of the installation tube 1;

[0050] The threaded sleeve 42 is threadedly connected to the threaded rod 41;

[0051] The adjusting plate 43 is fixedly connected to the threaded sleeve 42, and the adjusting plate 43 is slidably connected to the mounting tube 1 along the axial direction of the mounting tube 1. A guide block is fixedly connected to the outer side of the adjusting plate 43, and a guide groove is provided on the inner wall of the mounting tube 1.

[0052] One end of the adjusting component 44 is transmission-connected to the threaded rod 41 , and the other end of the adjusting component 44 is transmission-connected to the mounting tube 1 .

[0053] Embodiment 3

[0054] like Figure 2-4 As shown, the utility model proposes an adjustable automobile shock absorber. Compared with the second embodiment, this embodiment further specifically discloses the structure of the adjustment component 44; the adjustment component 44 includes an adjustment worm wheel 441, an adjustment worm 442 and an adjustment hand wheel 443;

[0055] The adjusting worm wheel 441 is fixedly connected to the threaded rod 41;

[0056] The adjusting worm 442 is located in the mounting tube 1, the adjusting worm 442 and the adjusting worm wheel 441 are meshed with each other, one end of the adjusting worm 442 is rotatably connected to the mounting tube 1, and the other end of the adjusting worm 442 extends to the outside of the mounting tube 1;

[0057] The adjusting hand wheel 443 is fixedly connected to the adjusting worm 442 .

[0058] Embodiment 4

[0059] like Figure 2-5 As shown, the utility model proposes an adjustable automobile shock absorber. Compared with the third embodiment, the present embodiment further specifically discloses the structure of the sealing mechanism 5; the sealing mechanism 5 includes a limit ring 51, a preload spring 52, a dynamic sealing ring 53 and a fixed sealing ring 54;

[0060] The limiting ring 51 is located in the installation tube 1, and the limiting ring 51 is fixedly connected to the adjusting worm 442;

[0061] The preload spring 52 is sleeved on the adjusting worm 442, and one end of the preload spring 52 is fixedly connected to the limiting ring 51;

[0062] The dynamic sealing ring 53 is sleeved on the adjusting worm 442 , the dynamic sealing ring 53 is slidably connected to the adjusting worm 442 , and the dynamic sealing ring 53 is fixedly connected to the other end of the preload spring 52 ;

[0063] The fixed sealing ring 54 is sleeved on the adjusting worm 442 , the fixed sealing ring 54 is rotationally connected to the adjusting worm 442 , and one end of the fixed sealing ring 54 is fixedly connected to the mounting tube 1 .

[0064] When the shock absorber needs to be debugged, the adjusting hand wheel 443 is turned to drive the adjusting worm 442 to rotate together. The rotation of the adjusting worm 442 drives the adjusting worm wheel 441 and the threaded rod 41 to rotate together through the meshing action. The rotation of the threaded rod 41 drives the adjusting plate 43 to move through the threaded sleeve 42. The adjusting plate 43 moves toward the side close to the piston 6, and the damping of the shock absorber spring 7 increases. The adjusting plate 43 moves toward the side away from the piston 6, and the damping of the shock absorber spring 7 decreases. After adjustment, the threaded rod 41 is locked by the self-locking between the adjusting worm wheel 441 and the adjusting worm 442 to prevent the threaded rod from accidentally rotating and affecting the debugging effect. At the same time, the dynamic sealing ring 53 fits with the fixed sealing ring 54 under the action of the preload spring 52 to ensure the sealing of the installation cylinder 1 and prevent the hydraulic oil in the installation cylinder 1 from leaking.

[0065] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An adjustable automobile shock absorber, characterized in that: include: Installing the cylinder (1); An assembly plate (2) connected to the mounting cylinder (1); A damping rod (3) is arranged on the mounting tube (1), and the damping rod (3) penetrates the mounting tube (1) and is slidably connected to the mounting tube (1); A piston (6) is arranged in the mounting cylinder (1), the piston (6) is connected to the damping rod (3), and the piston (6) is slidably connected to the mounting cylinder (1); A damping spring (7) is installed in the installation cylinder (1), and one end of the damping spring (7) is connected to the piston (6); A debugging mechanism (4) is arranged in the installation tube (1), one end of the debugging mechanism (4) is connected to the shock absorbing spring (7), and the adjustment end of the debugging mechanism (4) extends to the outside of the installation tube (1); A sealing mechanism (5) is arranged in the installation tube (1), and a fixed sealing end of the sealing mechanism (5) is connected to the installation tube (1).

2. The adjustable automobile shock absorber according to claim 1, characterized in that: The debugging mechanism (4) comprises a threaded rod (41), a threaded sleeve (42), an adjustment plate (43) and an adjustment assembly (44); The threaded rod (41) is disposed in the installation tube (1), and the threaded rod (41) is rotatably connected to the installation tube (1); The threaded sleeve (42) is threadedly connected to the threaded rod (41); The adjusting plate (43) is connected to the threaded sleeve (42), and the adjusting plate (43) is slidably connected to the mounting tube (1) along the axial direction of the mounting tube (1); One end of the adjustment component (44) is transmission-connected to the threaded rod (41), and the other end of the adjustment component (44) is transmission-connected to the mounting tube (1).

3. The adjustable automobile shock absorber according to claim 2, characterized in that: The adjustment component (44) includes an adjustment worm wheel (441), an adjustment worm (442) and an adjustment hand wheel (443); The adjusting worm wheel (441) is connected to the threaded rod (41); The adjusting worm (442) is located in the mounting tube (1), the adjusting worm (442) and the adjusting worm wheel (441) are meshed with each other, one end of the adjusting worm (442) is rotatably connected to the mounting tube (1), and the other end of the adjusting worm (442) extends to the outside of the mounting tube (1); The adjusting hand wheel (443) is connected to the adjusting worm (442).

4. The adjustable automobile shock absorber according to claim 3, characterized in that: The sealing mechanism (5) comprises a limiting ring (51), a preload spring (52), a dynamic sealing ring (53) and a fixed sealing ring (54); The limiting ring (51) is located in the installation tube (1), and the limiting ring (51) is connected to the adjusting worm (442); The preload spring (52) is sleeved on the adjusting worm (442), and one end of the preload spring (52) is connected to the limiting ring (51); The dynamic sealing ring (53) is sleeved on the adjusting worm (442), the dynamic sealing ring (53) is slidably connected to the adjusting worm (442), and the dynamic sealing ring (53) is connected to the other end of the preload spring (52); The fixed sealing ring (54) is sleeved on the adjusting worm (442), the fixed sealing ring (54) is rotationally connected to the adjusting worm (442), and one end of the fixed sealing ring (54) is connected to the mounting cylinder (1).

5. The adjustable automobile shock absorber according to claim 1, characterized in that: A damping hole (8) is formed through the piston (6), and a plurality of damping holes (8) are provided, and the plurality of damping holes (8) are evenly distributed on the piston (6).

6. The adjustable automobile shock absorber according to claim 1, characterized in that: It also includes a sealing ring (9), wherein a plurality of sealing rings (9) are provided, wherein the outer rings of the plurality of sealing rings (9) are all connected to the mounting tube (1), and the inner rings of the plurality of sealing rings (9) are all slidably connected to the damping rod (3).

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