Automobile shock absorber with long service life

Abstract

The utility model discloses an automobile shock absorber with long service life, which comprises two mounting plates and a shock-absorbing hydraulic cylinder, the shock-absorbing hydraulic cylinder is mounted between the two mounting plates, the surface of the shock-absorbing hydraulic cylinder is sleeved with a shock-absorbing spring and a connection protection mechanism, the connection protection mechanism is arranged on the mounting plates, and the shock-absorbing spring is connected with the shock-absorbing hydraulic cylinder. The connecting protection mechanism comprises two first protection shells, the bottoms of the first protection shells make contact with the tops of the mounting plates, the limiting dismounting and mounting mechanism is arranged on the mounting plates, the limiting dismounting and mounting mechanism comprises four sliding grooves, and the four sliding grooves are formed in the opposite sides of the two mounting plates correspondingly. According to the shock absorber, the first protective shell, the second protective shell, the moving groove, the moving block and the annular fixing frame are matched with one another, so that the protective effect is achieved, external dust is prevented from entering the shock absorber when the shock absorber is used, and the service life of the shock absorber is prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile shock absorbers, in particular to an automobile shock absorber with a long service life. Background Art

[0002] Automobile shock absorbers are used to suppress the shock caused by the rebound of springs after absorbing shock and the impact from the road surface.

[0003] According to the application number: CN201720607644.6, a main bracket of an automobile shock absorber includes a hydraulic rod, an upper limit block is welded to the top of the hydraulic rod, a first connecting block is welded to the top of the upper limit block, a through hole is opened on the first connecting block, and a first lifting ear is welded through the through hole, a buffer ring is connected to the outer shell of the hydraulic rod, a spring is sleeved on the outer side of the hydraulic rod, a slider is welded on the side of the spring close to the hydraulic rod, one end of the spring is welded to the bottom side of the buffer ring, a relative groove is opened on the outer wall of the hydraulic rod, the end of the slider away from the spring is embedded in the groove, and a lower limit block is provided at the other end of the spring, the top of the lower limit block is welded to the bottom end of the hydraulic rod, and a gap is left between the spring and the hydraulic rod.

[0004] The automobile shock absorber in the above case does not have a protective effect. When the car is driving, a large amount of dust will adhere to the shock absorber at the bottom. When the dust enters the shock absorber, it will cause damage to the valve parts inside the shock absorber, affecting the normal operation of the shock absorber, thereby seriously affecting its service life. For this reason, we provide an automobile shock absorber with a long service life. Utility Model Content

[0005] The purpose of the utility model is to provide a car shock absorber with a long service life, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an automobile shock absorber with a long service life, comprising:

[0007] two mounting plates;

[0008] A shock-absorbing hydraulic cylinder, which is installed between two mounting plates, and a shock-absorbing spring is sleeved on the surface of the shock-absorbing hydraulic cylinder;

[0009] A connection protection mechanism, the connection protection mechanism is arranged on the mounting plate, the connection protection mechanism comprises two first protection shells, the bottom of the first protection shells is in contact with the top of the mounting plate;

[0010] The position limiting and disassembling mechanism is arranged on the mounting plate, and the position limiting and disassembling mechanism comprises sliding grooves, and the number of the sliding grooves is four and they are respectively opened on the opposite sides of the two mounting plates.

[0011] Preferably, a second protective shell is arranged on the inner wall of the first protective shell, the top of the second protective shell passes through the first protective shell and extends to the outside thereof, a movable groove is opened on the surface of the second protective shell, a movable block which is in sliding contact with the movable groove is installed on the inner wall of the first protective shell, and an annular fixing frame is installed on the opposite sides of the two mounting plates.

[0012] Preferably, the left and right sides of the inner wall of the slide groove are fixedly connected by a sliding rod, the surface of the sliding rod is in sliding contact with a movable block, a limit block is installed on the top of the movable block, and the side of the two first protective shells away from each other and the side of the two second protective shells away from each other are both installed with fixed blocks used in conjunction with the limit block.

[0013] Preferably, an adjusting block is installed on the movable block, a side of the adjusting block away from the movable block passes through the slide slot and extends to the outside thereof, and an arc-shaped pulling block is installed on the adjusting block.

[0014] Preferably, connection grooves are provided on both left and right sides of the mounting plate, and a ring-shaped limiting frame used in cooperation with the arc-shaped pull block is slidably contacted on the surface of the mounting plate.

[0015] Preferably, a positioning block that is in sliding contact with the connecting groove is installed on the inner wall of the annular limit frame and at a position corresponding to the connecting groove, and fastening bolts that are threadedly connected to the mounting plate are provided on both left and right sides of the annular limit frame.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model achieves a protective effect by the mutual cooperation of the first protective shell, the second protective shell, the movable groove, the movable block and the annular fixed frame, thereby preventing external dust from entering the interior of the shock absorber when the shock absorber is in use, thereby avoiding affecting the service life of the shock absorber.

[0018] 2. The utility model facilitates the disassembly of the first protective shell and the second protective shell for maintenance and repair of the shock absorber through the mutual cooperation of the slide groove, the slide rod, the movable block, the limit block, the fixed block, the adjustment block, the arc-shaped pull block, the connecting groove, the annular limit frame, the positioning block and the fastening bolt, thereby improving the flexibility during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a structural cross-sectional view of the front view of the utility model;

[0021] Figure 3 For this utility model Figure 2 A partial enlarged view of middle A.

[0022] In the figure: 1 mounting plate, 11 shock-absorbing hydraulic cylinder, 12 shock-absorbing spring, 2 connecting protection mechanism, 21 first protection shell, 22 second protection shell, 23 moving groove, 24 moving block, 25 annular fixed frame, 3 limiting disassembly mechanism, 31 sliding groove, 32 sliding rod, 33 movable block, 34 limiting block, 35 fixed block, 36 adjusting block, 37 arc-shaped pulling block, 38 connecting groove, 39 annular limiting frame, 310 positioning block, 311 fastening bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 A car shock absorber with a long service life comprises: two mounting plates 1 and a shock absorbing hydraulic cylinder 11, the shock absorbing hydraulic cylinder 11 is mounted between the two mounting plates 1, and a shock absorbing spring 12 is sleeved on the surface of the shock absorbing hydraulic cylinder 11.

[0025] Furthermore, mounting ears are fixedly connected to the sides of the two mounting plates 1 that are away from each other.

[0026] A connecting protective mechanism 2 is provided on the mounting plate 1. The connecting protective mechanism 2 includes two first protective shells 21. The bottom of the first protective shell 21 contacts the top of the mounting plate 1. The bottom of the first protective shell 21 contacts the mounting plate 1 located at the bottom. A second protective shell 22 is provided on the inner wall of the first protective shell 21. The top of the second protective shell 22 passes through the first protective shell 21 and extends to the outside thereof. The surface of the second protective shell 22 slides in contact with the inner wall of the first protective shell 21. The top of the second protective shell 22 contacts the mounting plate 1 located at the top. A moving groove 23 is provided on the surface of the second protective shell 22. A moving block 24 that slides in contact with the moving groove 23 is fixedly connected to the inner wall of the first protective shell 21. An annular fixing frame 25 is fixedly connected to the opposite sides of the two mounting plates 1. The inner wall of the first protective shell 21 contacts the surface of the annular fixing frame 25 located at the bottom. The inner wall of the second protective shell 22 contacts the surface of the annular fixing frame 25 located at the top.

[0027] Through the mutual cooperation of the first protective shell 21, the second protective shell 22, the movable groove 23, the movable block 24 and the annular fixing frame 25, a protective effect is achieved to prevent external dust from entering the interior of the shock absorber when the shock absorber is in use, thereby avoiding affecting the service life of the shock absorber.

[0028] The limiting disassembly mechanism 3 is arranged on the mounting plate 1. The limiting disassembly mechanism 3 includes a slide groove 31. The number of the slide grooves 31 is four and they are respectively opened on the opposite side of the two mounting plates 1. The left and right sides of the inner wall of the slide groove 31 are fixedly connected by a slide rod 32. The surface of the slide rod 32 is in sliding contact with a movable block 33. The top of the movable block 33 is fixedly connected to a limiting block 34. The side of the two first protective shells 21 away from each other and the side of the two second protective shells 22 away from each other are fixedly connected with a fixed block 35 used in conjunction with the limiting block 34. The side of the limiting block 34 close to the fixed block 35 is in contact with the fixed block 35. The movable block 33 is fixedly connected with an adjusting block 36. The adjusting block 3 The side away from the movable block 33 passes through the slide groove 31 and extends to the outside thereof. An arc-shaped pull block 37 is fixedly connected to the adjusting block 36. The side of the arc-shaped pull block 37 close to the mounting plate 1 contacts with the mounting plate 1. Connecting grooves 38 are provided on the left and right sides of the mounting plate 1. An annular limiting frame 39 used in conjunction with the arc-shaped pull block 37 is slidably contacted on the surface of the mounting plate 1. The side of the annular limiting frame 39 close to the arc-shaped pull block 37 contacts with the arc-shaped pull block 37. A positioning block 310 slidably contacting with the connecting groove 38 is fixedly connected on the inner wall of the annular limiting frame 39 and corresponding to the position of the connecting groove 38. Fastening bolts 311 threadedly connected with the mounting plate 1 are provided on the left and right sides of the annular limiting frame 39.

[0029] Specifically, first loosen the fastening bolts 311, and then pull the annular limit frame 39 so that the annular limit frame 39 moves close to the movable block 24, so that the annular limit frame 39 and the arc-shaped pull block 37 are separated, and then pull the arc-shaped pull block 37, the arc-shaped pull block 37 drives the movable block 33 to move through the adjusting block 36, and the movable block 33 drives the limit block 34 to move away from the fixed block 35, so that the limit block 34 and the fixed block 35 are separated, and then pull the first protective shell 21 and the second protective shell 22 to move close to each other, so that the first protective shell 21 and the second protective shell 22 are separated from the mounting plate 1 respectively, and then the first protective shell 21 and the second protective shell 22 can be pulled to the left, and then another pair of first protective shells 21 and the second protective shells 22 can be pulled to the right, so that the protective shells can be removed, which is convenient for maintenance and repair of the shock absorber.

[0030] Through the cooperation of the slide groove 31, the slide rod 32, the movable block 33, the limit block 34, the fixed block 35, the adjustment block 36, the arc-shaped pull block 37, the connecting groove 38, the annular limit frame 39, the positioning block 310 and the fastening bolt 311, it is convenient to disassemble the first protective shell 21 and the second protective shell 22 for maintenance and repair of the shock absorber, thereby improving the flexibility during use.

[0031] During use, when the mounting plate 1 at the top is subjected to extrusion force, the shock-absorbing hydraulic cylinder 11 and the shock-absorbing spring 12 play a shock-absorbing role, and at the same time the second protective shell 22 drives the movable groove 23 to move downward, so that the movable block 24 slides on the inner wall of the movable groove 23.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile shock absorber with a long service life, characterized in that: include: two mounting plates (1); A shock-absorbing hydraulic cylinder (11), wherein the shock-absorbing hydraulic cylinder (11) is installed between the two mounting plates (1), and a shock-absorbing spring (12) is sleeved on the surface of the shock-absorbing hydraulic cylinder (11); A connection protection mechanism (2), the connection protection mechanism (2) being arranged on the mounting plate (1), the connection protection mechanism (2) comprising two first protection shells (21), the bottom of the first protection shells (21) being in contact with the top of the mounting plate (1); A position limiting and disassembling mechanism (3), wherein the position limiting and disassembling mechanism (3) is arranged on the mounting plate (1), and the position limiting and disassembling mechanism (3) comprises sliding grooves (31), wherein the number of the sliding grooves (31) is four and the sliding grooves (31) are respectively arranged on opposite sides of the two mounting plates (1).

2. The automobile shock absorber with a long service life according to claim 1, characterized in that: A second protective shell (22) is arranged on the inner wall of the first protective shell (21); the top of the second protective shell (22) penetrates the first protective shell (21) and extends to the outside thereof; a movable groove (23) is provided on the surface of the second protective shell (22); a movable block (24) in sliding contact with the movable groove (23) is installed on the inner wall of the first protective shell (21); and an annular fixing frame (25) is installed on opposite sides of the two mounting plates (1).

3. The automobile shock absorber with a long service life according to claim 2, characterized in that: The left and right sides of the inner wall of the slide groove (31) are fixedly connected by a slide rod (32); a movable block (33) is slidably contacted on the surface of the slide rod (32); a limit block (34) is installed on the top of the movable block (33); and a fixed block (35) used in conjunction with the limit block (34) is installed on the side of the two first protective shells (21) away from each other and the side of the two second protective shells (22) away from each other.

4. The automobile shock absorber with a long service life according to claim 3, characterized in that: An adjusting block (36) is mounted on the movable block (33); a side of the adjusting block (36) away from the movable block (33) passes through the slide groove (31) and extends to the outside thereof; and an arc-shaped pulling block (37) is mounted on the adjusting block (36).

5. The automobile shock absorber with a long service life according to claim 4, characterized in that: The left and right sides of the mounting plate (1) are both provided with connection grooves (38), and the surface of the mounting plate (1) is in sliding contact with an annular limiting frame (39) used in conjunction with the arc-shaped pull block (37).

6. The automobile shock absorber with a long service life according to claim 5, characterized in that: A positioning block (310) is installed on the inner wall of the annular limit frame (39) at a position corresponding to the connection groove (38) and is in sliding contact with the connection groove (38). Both left and right sides of the annular limit frame (39) are provided with fastening bolts (311) threadedly connected to the mounting plate (1).

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