CN220101901U

CN220101901U - Shock absorber structure

Info

Publication number: CN220101901U
Application number: CN202321572342.1U
Authority: CN
Inventors: 李大秋; 凃利坚
Original assignee: Wenzhou Songda Shock Absorber Co ltd
Current assignee: Wenzhou Songda Shock Absorber Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-28
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the technical field of shock absorbers, in particular to a shock absorber structure which comprises a mounting seat A, a mounting seat B, a push rod, a rotary drum and a spring. The installation seat A is provided with an oil tank and a cylinder A which are communicated with the installation seat A, the cylinder A is provided with an adjusting plate in a spiral mode, and the bottom of the cylinder A is provided with a piston A. The mounting seat B is provided with a cylinder B, the piston A is inserted into the cylinder B and is in sliding connection with the cylinder B, and the cylinder B is provided with a through hole A communicated with the inside of the cylinder B. The ejector rod is arranged on the mounting seat B, penetrates through the piston A and is in sliding connection with the piston A, the top end of the ejector rod is provided with the piston B, and the piston B is inserted into the cylinder A and is in sliding connection with the inner wall of the cylinder A. The rotary drum is sleeved outside the cylinder barrel B, a through hole B corresponding to the through hole A is formed in the rotary drum, and a limiting ring is arranged on the cylinder barrel B. The spring housing is established in the outside of cylinder B, and the both ends of spring are with regulating plate and spacing ring butt respectively. The utility model can switch the damping mode when the shock absorber leaks oil, so that a driver can realize self-rescue.

Description

Shock absorber structure

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a shock absorber structure.

Background

The shock absorber is used for inhibiting the shock of the spring during rebound after shock absorption and the impact from the road surface. The damping device is widely used for automobiles, and is used for accelerating the damping of the vibration of the frames and the automobile bodies so as to improve the running smoothness of the automobiles.

Most of the prior art dampers on automobiles adopt oil pressure structures for damping, oil leakage phenomenon between an oil cylinder and a piston easily occurs for a long time, in this case, the dampers of the automobiles are damaged and accelerated, the vehicles are prone to be prone to being sunk, and once the dampers of the types are damaged, drivers need to wait for rescue, a large amount of time is wasted, and the cost is very high.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a shock absorber structure.

The technical scheme of the utility model is as follows: a shock absorber structure comprises a mounting seat A, a mounting seat B, a push rod, a rotary drum and a spring.

The installation seat A is provided with an oil tank and a cylinder barrel A which are communicated with the installation seat A, the cylinder barrel A is provided with an adjusting plate in a spiral mode, and the bottom of the cylinder barrel A is provided with a piston A. The mounting seat B is arranged below the mounting seat A, the cylinder barrel B is arranged on the mounting seat B, the cylinder barrel A is inserted into the cylinder barrel B and is in sliding connection with the cylinder barrel B, the piston A is in sliding connection with the inner wall of the cylinder barrel B, and the cylinder barrel B is provided with a through hole A communicated with the inside of the cylinder barrel B.

The ejector rod is arranged on the mounting seat B, is positioned at the inner side of the cylinder barrel B and is in clearance fit with the cylinder barrel B, the ejector rod penetrates through the piston A and is in sliding connection with the piston A, the top end of the ejector rod is provided with the piston B, and the piston B is inserted into the cylinder barrel A and is in sliding connection with the inner wall of the cylinder barrel A.

The rotary drum is sleeved outside the cylinder barrel B and is rotationally connected with the cylinder barrel B, a through hole B corresponding to the through hole A is formed in the rotary drum, and a limiting ring is arranged on the cylinder barrel B. The spring housing is established in cylinder B's outside, and the top and the lower surface butt of regulating plate of spring, the bottom and the upper surface butt of spacing ring of spring.

Preferably, a thread groove is formed in the outer wall of the cylinder A, thread teeth are formed in the inner wall of the adjusting plate, and the adjusting plate is in threaded connection with the cylinder A through the thread groove and the thread teeth.

Preferably, a plurality of jacks are arranged on the cambered surface of the adjusting plate.

Preferably, bolts are also included. The limiting rings comprise two, the rotary drum is positioned between the upper limiting ring and the lower limiting ring, the two ends of the rotary drum are respectively provided with a flange, and the upper flange and the lower flange are respectively connected with the corresponding side limiting rings through bolts.

Preferably, the inner wall of the drum is in sealing engagement with the outer wall of the cylinder B.

Preferably, the cylinder a is welded integrally with the mounting seat a.

Preferably, the outer surfaces of the mounting seat A, the cylinder A, the mounting seat B and the cylinder B are all provided with protective layers.

Compared with the prior art, the utility model has the following beneficial technical effects:

through setting up piston A in cylinder A's bottom, set up cylinder B on mount pad B, piston A inserts in the cylinder B, when forming sealed space in cylinder B, this structure can exert air shock attenuation's effect temporarily, when switching to this state, can provide convenience for the driver when the hydro-cylinder oil leak, save waiting for rescue time and rescue cost, this structure is equivalent to having increased the function of a set of interim emergency for traditional bumper shock absorber, simple structure, and stability is high, easy operation is convenient.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a connecting structure diagram of each part on the cylinder A in FIG. 1;

FIG. 3 is a connection block diagram of the components of the mount of FIG. 1;

fig. 4 is a structural view of the drum.

Reference numerals: 1. a mounting seat A; 2. an oil tank; 3. a cylinder A; 301. a thread groove; 4. an adjusting plate; 401. a jack; 5. a piston A; 6. a mounting base B; 7. a cylinder B; 701. a through hole A; 8. a push rod; 9. a piston B; 10. a limiting ring; 11. a rotating drum; 111. a through hole B; 112. a flange plate; 12. a bolt; 13. and (3) a spring.

Detailed Description

Example 1

As shown in fig. 1 to 4, the shock absorber structure provided by the utility model comprises a mounting seat A1, a mounting seat B6, a push rod 8, a rotary drum 11 and a spring 13.

The oil tank 2 and the cylinder A3 communicated with the inside of the installation seat A1 are arranged on the installation seat A1, the cylinder A3 is welded with the installation seat A1 in an integrated mode, the cylinder A3 is spirally provided with the adjusting plate 4, and the bottom of the cylinder A3 is provided with the piston A5. The outer wall of the cylinder A3 is provided with a thread groove 301, the inner wall of the adjusting plate 4 is provided with thread teeth, and the adjusting plate 4 is in threaded connection with the cylinder A3 through the thread groove 301 and the thread teeth. A plurality of jacks 401 are arranged on the cambered surface of the adjusting plate 4. The mounting seat B6 is arranged below the mounting seat A1, the cylinder barrel B7 is arranged on the mounting seat B6, the cylinder barrel A3 is inserted into the cylinder barrel B7 and is in sliding connection with the cylinder barrel B7, the piston A5 is in sliding connection with the inner wall of the cylinder barrel B7, and the cylinder barrel B7 is provided with a through hole A701 communicated with the inside of the cylinder barrel B7.

The ejector rod 8 is arranged on the mounting seat B6, the ejector rod 8 is positioned at the inner side of the cylinder barrel B7 and in clearance fit with the cylinder barrel B7, the ejector rod 8 penetrates through the piston A5 and is in sliding connection with the piston A5, the top end of the ejector rod 8 is provided with the piston B9, and the piston B9 is inserted into the cylinder barrel A3 and is in sliding connection with the inner wall of the cylinder barrel A3.

The rotary drum 11 is sleeved outside the cylinder barrel B7 and is in rotary connection with the cylinder barrel B7, and the inner wall of the rotary drum 11 is in sealing fit with the outer wall of the cylinder barrel B7. The drum 11 is provided with a through hole B111 corresponding to the through hole a701, and the cylinder B7 is provided with a stopper ring 10. The spring 13 is sleeved outside the cylinder barrel B7, the top end of the spring 13 is abutted with the lower surface of the adjusting plate 4, and the bottom end of the spring 13 is abutted with the upper surface of the limiting ring 10. The outer surfaces of the mounting seat A1, the cylinder A3, the mounting seat B6 and the cylinder B7 are all provided with protective layers.

In this embodiment, the bumper shock absorber is when normal use, through-hole B111 corresponds with through-hole A701, make the slip of piston A5 in cylinder B7 can not be blocked, this moment the bumper shock absorber passes through oil pressure cooperation spring 13 and carries out the shock absorber to the vehicle, in case the phenomenon of oil leak appears, only rely on spring 13 can't carry out effectual support to the vehicle bumper shock absorber damaged side this moment, and then lead to the vehicle side to lean on or lie prone to the nest, this moment the driver can be by oneself with the jack with the damaged one side jack-up suitable height of vehicle shock attenuation, make piston A5 slide along cylinder B7 inner wall, and then make the air that gets into in the cylinder B7 enough, then rotate rotary drum 11, make through-hole B111 and through-hole A701 no longer communicate, prevent that the air in the cylinder B7 from leaking out, afterwards, remove the jack, the vehicle current side is in preliminary steady state, then rotate regulating plate 4 makes the vehicle current side moderately rise or reduce to the automobile body steadily, the vehicle is in the follow-up driving process, compress the air in the cylinder B7 through piston A5, form the structure of air shock absorber, and cooperation spring 13 can play good support and the effect to the vehicle, the maintenance cost is saved to the driver of waiting for the repair and rescue to the cost is carried out to the repair to the vehicle.

Example two

As shown in fig. 3 and 4, the shock absorber structure provided by the utility model comprises a mounting seat A1, a mounting seat B6, a push rod 8, a rotary drum 11 and a spring 13. The installation seat A1 is provided with an oil tank 2 and a cylinder A3 which are communicated with the installation seat A1, the cylinder A3 is provided with an adjusting plate 4 in a spiral mode, and the bottom of the cylinder A3 is provided with a piston A5. The mounting seat B6 is arranged below the mounting seat A1, the cylinder barrel B7 is arranged on the mounting seat B6, the cylinder barrel A3 is inserted into the cylinder barrel B7 and is in sliding connection with the cylinder barrel B7, the piston A5 is in sliding connection with the inner wall of the cylinder barrel B7, and the cylinder barrel B7 is provided with a through hole A701 communicated with the inside of the cylinder barrel B7. The ejector rod 8 is arranged on the mounting seat B6, the ejector rod 8 is positioned at the inner side of the cylinder barrel B7 and in clearance fit with the cylinder barrel B7, the ejector rod 8 penetrates through the piston A5 and is in sliding connection with the piston A5, the top end of the ejector rod 8 is provided with the piston B9, and the piston B9 is inserted into the cylinder barrel A3 and is in sliding connection with the inner wall of the cylinder barrel A3. The rotary drum 11 is sleeved outside the cylinder barrel B7 and is rotationally connected with the cylinder barrel B7, a through hole B111 corresponding to the through hole A701 is arranged on the rotary drum 11, and a limiting ring 10 is arranged on the cylinder barrel B7. The spring 13 is sleeved outside the cylinder barrel B7, the top end of the spring 13 is abutted with the lower surface of the adjusting plate 4, and the bottom end of the spring 13 is abutted with the upper surface of the limiting ring 10.

Also included are bolts 12. The limiting rings 10 comprise two, the rotary drum 11 is positioned between the upper limiting ring 10 and the lower limiting ring 10, the two ends of the rotary drum 11 are provided with flange plates 112, and the upper flange plate 112 and the lower flange plate 112 are respectively connected with the corresponding side limiting rings 10 through bolts 12.

In this embodiment, the sealing performance between the drum 11 and the cylinder B7 is further improved by using the matching structure of the flange 112 and the stop collar 10, so as to prevent air leakage, and the stop collar 10 and the drum 11 are fixedly connected by using the bolts 12, so that the drum 11 can be prevented from freely rotating during the running process of the vehicle, once the through hole a701 is plugged in the normal state of the hydraulic pressure of the damper, the inside of the cylinder B701 is easy to form a closed space, and if the vehicle runs on a bumpy road, the damper becomes hard under the dual action of the hydraulic pressure and the air pressure, so that the riding comfort is reduced.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The shock absorber structure is characterized by comprising a mounting seat A (1), a mounting seat B (6), a push rod (8), a rotary drum (11) and a spring (13);

the mounting seat A (1) is provided with an oil tank (2) and a cylinder A (3) which are communicated with the inside of the mounting seat A, the cylinder A (3) is provided with an adjusting plate (4) in a spiral way, and the bottom of the cylinder A (3) is provided with a piston A (5); the mounting seat B (6) is arranged below the mounting seat A (1), the cylinder barrel B (7) is arranged on the mounting seat B (6), the cylinder barrel A (3) is inserted into the cylinder barrel B (7) and is in sliding connection with the cylinder barrel B, the piston A (5) is in sliding connection with the inner wall of the cylinder barrel B (7), and the cylinder barrel B (7) is provided with a through hole A (701) communicated with the inside of the cylinder barrel B;

the ejector rod (8) is arranged on the mounting seat B (6), the ejector rod (8) is positioned at the inner side of the cylinder barrel B (7) and is in clearance fit with the cylinder barrel B, the ejector rod (8) penetrates through the piston A (5) and is in sliding connection with the piston A, the top end of the ejector rod (8) is provided with the piston B (9), and the piston B (9) is inserted into the cylinder barrel A (3) and is in sliding connection with the inner wall of the cylinder barrel A;

the rotary drum (11) is sleeved outside the cylinder barrel B (7) and is rotationally connected with the cylinder barrel B, a through hole B (111) corresponding to the through hole A (701) is arranged on the rotary drum (11), and a limiting ring (10) is arranged on the cylinder barrel B (7); the spring (13) is sleeved outside the cylinder barrel B (7), the top end of the spring (13) is abutted with the lower surface of the adjusting plate (4), and the bottom end of the spring (13) is abutted with the upper surface of the limiting ring (10).

2. The shock absorber structure according to claim 1, wherein the outer wall of the cylinder a (3) is provided with a thread groove (301), the inner wall of the adjusting plate (4) is provided with thread teeth, and the adjusting plate (4) is in threaded connection with the cylinder a (3) through the thread groove (301) and the thread teeth.

3. A shock absorber structure according to claim 1, characterized in that the adjusting plate (4) is provided with a number of receptacles (401) in the arc surface.

4. A shock absorber structure according to claim 1, further comprising a bolt (12); the limiting rings (10) comprise two, the rotary drum (11) is positioned between the upper limiting ring (10) and the lower limiting ring (10), the two ends of the rotary drum (11) are respectively provided with the flange plates (112), and the upper flange plate and the lower flange plate (112) are respectively connected with the corresponding side limiting rings (10) through bolts (12).

5. A shock absorber structure according to claim 1, wherein the inner wall of the drum (11) is in sealing engagement with the outer wall of the cylinder B (7).

6. A shock absorber structure according to claim 1, wherein the cylinder a (3) is welded integrally with the mounting a (1).

7. A shock absorber structure according to claim 1, wherein the outer surfaces of the mounting seat a (1), the cylinder a (3), the mounting seat B (6) and the cylinder B (7) are provided with protective layers.