CN215059095U - Shock absorber with stroke response structure - Google Patents

Abstract

The application discloses stroke response structure's bumper shock absorber, including casing and piston, piston sliding seal sets up in the casing, still includes the cooperation piece, be provided with the indent on the inner wall of casing, the cooperation piece passes through spring elastic mounting on the piston, the indent is used for supporting the cooperation piece. The utility model discloses following beneficial effect has: through set up the indent in the casing, set up the cooperation piece through spring elasticity on the piston, utilize cooperation piece and indent contact, like this when the piston moves to indent department, the cooperation piece at first with the indent contact, because elasticity has between cooperation piece and the indent, make the piston damping force value decay fast in this section stroke.

Description

Shock absorber with stroke response structure

Technical Field

The utility model relates to a shock attenuation field especially relates to a shock absorber of stroke response structure.

Background

The shock absorber is a very important automobile part, and patent CN206495935U discloses a shock absorber, in the running process of a vehicle, the shock to which the vehicle is subjected is damped, vibrated and impacted by the shock absorber and a spring, but in the shock absorber with such a structure, because the piston assembly is in smooth fit with the inner wall of the housing, when the shock absorber with such a structure receives the shock from a specific range on the road surface, the shock absorber cannot filter the shock well, so that the shock to the vehicle body is obvious, and the riding comfort of passengers in the vehicle is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above-mentioned problem, a shock absorber of stroke response structure is proposed.

The utility model adopts the following technical scheme:

the shock absorber with the stroke response structure comprises a shell, a piston and a matching block, wherein the piston is arranged in the shell in a sliding and sealing mode, a pressing groove is formed in the inner wall of the shell, the matching block is elastically installed on the piston through a spring, and the pressing groove is used for abutting against the matching block.

This bumper shock absorber of structure in, through set up the indent in the casing, set up the cooperation piece through spring elasticity on the piston, utilize cooperation piece and indent contact, like this when the piston is to indent department motion, the cooperation piece at first contacts with the indent, because elasticity has between cooperation piece and the indent, make the piston damping force value decay fast in this section stroke, make it can filter the road surface shock input of certain frequency, and then reduce the vibrations of automobile body, and then reach the effect that improves passenger's riding comfort.

Optionally, a chamfer surface is arranged on the matching block, and the matching block is in contact with the pressure groove through the chamfer surface of the matching block.

The chamfer surface is arranged to be in contact with the pressing groove in the shell, so that certain buffering exists between the matching block and the pressing groove, and the matching block and the pressing groove are protected to a certain extent.

Optionally, the mounting device further comprises a mounting rod, the mounting rod is a T-shaped mounting rod, the mounting rod is mounted on the piston, and the matching block is movably sleeved on the mounting rod.

The T-shaped mounting rod is used for limiting the matching block to a certain extent, so that the matching block is prevented from slipping, and the matching block can be guaranteed to stably slide on the mounting rod.

Optionally, the spring is sleeved on the mounting rod, one end of the spring abuts against the matching block, the other end of the spring abuts against the piston, and the spring is in a compressed state.

Optionally, there are two pressure grooves, and the two pressure grooves are distributed in an axisymmetric manner.

Optionally, the housing is a metal housing.

Optionally, the piston further comprises a plug rod, the plug rod is arranged on the piston, and the plug rod and the matching block are respectively located on two sides of the piston.

Optionally, the compression valve assembly is further included, and the compression valve assembly is arranged at one end of the shell.

In summary, the shock absorber can be additionally provided with the control groove at the specific part of the shell (also called as the working cylinder), when the piston is in the stroke, the damping force is quickly attenuated, the damping force of the shock absorber under different road conditions is quickly attenuated, the working cylinder is additionally provided with the control grooves in different forms, the motion of the piston is restrained under specific frequency, the vibration amplitude of the piston rod is reduced, the motion impact of the piston rod on a vehicle body is reduced, and the riding comfort of passengers is improved.

The utility model has the advantages that: through set up the indent in the casing, set up the cooperation piece through spring elasticity on the piston, utilize cooperation piece and indent contact, like this when the piston moves to indent department, the cooperation piece at first with the indent contact, because elasticity has between cooperation piece and the indent, make the piston damping force value decay fast in this section stroke.

Description of the drawings:

figure 1 is a schematic diagram of a shock absorber in a stroke responsive configuration,

figure 2 is an enlarged schematic sketch at a in figure 1,

figure 3 is a schematic diagram of the location of the indent on the housing.

The figures are numbered: 1. a compression valve assembly; 2. a housing; 201. pressing a groove; 3. a stopper rod; 4. mounting a rod; 5. a matching block; 501. chamfering; 6. a spring; 7. a piston.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, fig. 2 and fig. 3, the shock absorber with the stroke response structure comprises a housing 2 and a piston 7, wherein the piston 7 is arranged in the housing 2 in a sliding and sealing manner, the shock absorber further comprises a matching block 5, a pressing groove 201 is formed in the inner wall of the housing 2, the matching block 5 is elastically arranged on the piston 7 through a spring 6, and the pressing groove 201 is used for abutting against the matching block 5.

This middle structure's bumper shock absorber, through set up indent 201 in casing 2, set up cooperation piece 5 through spring 6 elasticity on piston 7, utilize cooperation piece 5 and indent 201 contact, like this when piston 7 is to indent 201 department motion, cooperation piece 5 at first contacts with indent 201, because elasticity has between cooperation piece 5 and the indent 201, make piston 7 damping force value quick decay in this section stroke, make it can filter the road surface shock input of certain frequency, and then reduce the vibrations of automobile body, and then reach the effect that improves passenger's riding comfort.

As shown in fig. 1, 2 and 3, the fitting block 5 is provided with a chamfered surface 501, and the fitting block 5 is in contact with the indent 201 through its own chamfered surface 501.

The chamfered surface 501 is provided to contact the pressure groove 201 in the housing 2, so that a certain buffer is provided between the engagement block 5 and the pressure groove 201, and the engagement block 5 and the pressure groove 201 are protected to a certain extent.

As shown in fig. 1, fig. 2 and fig. 3, the piston type air conditioner further comprises a mounting rod 4, the mounting rod 4 is a T-shaped mounting rod 4, the mounting rod 4 is mounted on a piston 7, and a matching block 5 is movably sleeved on the mounting rod 4.

The T-shaped mounting rod 4 is used for limiting the matching block 5 to a certain extent, so that the matching block 5 is prevented from slipping, and the matching block 5 can be ensured to stably slide on the mounting rod 4.

As shown in fig. 1, 2 and 3, the spring 6 is sleeved on the mounting rod 4, one end of the spring 6 abuts against the matching block 5, the other end of the spring 6 abuts against the piston 7, and the spring 6 is in a compressed state.

As shown in fig. 1, fig. 2 and fig. 3, there are two pressure grooves 201, and the two pressure grooves 201 are axially symmetrically distributed.

As shown in fig. 1, 2 and 3, the housing 2 is a metal housing 2.

As shown in fig. 1, fig. 2 and fig. 3, the piston rod 3 is further included, the piston rod 3 is arranged on the piston 7, and the piston rod 3 and the matching block 5 are respectively located on two sides of the piston 7.

As shown in fig. 1, fig. 2 and fig. 3, the compressor further includes a compression valve assembly 1, and the compression valve assembly 1 is disposed at one end of the housing 2.

In conclusion, the shock absorber can be additionally provided with the control groove at the specific part of the shell 2 (also called as the working cylinder), when the piston 7 is in the stroke, the damping force is quickly attenuated, the damping force of the shock absorber under different road conditions is quickly attenuated, the working cylinder is additionally provided with the control grooves in different forms, the motion of the piston 7 is inhibited under specific frequency, the vibration amplitude of the piston 7 rod 3 is reduced, the motion impact of the piston 7 rod 3 to a vehicle body is reduced, and the riding comfort of passengers is improved.

The aforesaid only is the preferred embodiment of the utility model discloses a not consequently restrict promptly the utility model discloses a patent protection scope, all applications the utility model discloses the equivalent transform that the specification was done, direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a protection scope.

Claims (8)

1. The shock absorber with the stroke response structure comprises a shell and a piston, wherein the piston is arranged in the shell in a sliding and sealing mode.

2. The stroke-responsive structure damper according to claim 1, wherein said mating block is provided with a chamfered surface, and said mating block is in contact with said indent through its own chamfered surface.

3. The stroke response structural damper of claim 1, further comprising a mounting rod, wherein said mounting rod is a T-shaped mounting rod, said mounting rod is mounted on the piston, and said engagement block is movably received on the mounting rod.

4. The stroke-responsive structure damper according to claim 3, wherein said spring is mounted on said mounting rod with one end of said spring abutting said mating block and the other end of said spring abutting said piston, said spring being in compression.

5. The stroke-responsive structural damper of claim 1, wherein there are two of said crush slots, and wherein the two crush slots are axisymmetrically disposed.

6. The stroke-responsive structural damper of claim 1, wherein said housing is a metal housing.

7. The stroke-responsive structure shock absorber according to claim 1, further comprising a plug rod disposed on the piston, the plug rod and the mating block being located on either side of the piston.

8. The stroke-responsive structural shock absorber of claim 1, further comprising a compression valve assembly disposed at one end of the housing.

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