CN220320183U - Dustproof shock absorber - Google Patents

Abstract

The utility model discloses a dustproof shock absorber, which relates to the technical field of shock absorbers and comprises a main body consisting of an outer cylinder, an inner cylinder, a spring and a dustproof sleeve, wherein a plurality of supporting pieces are uniformly arranged in the dustproof sleeve from top to bottom. This dustproof bumper shock absorber, through a plurality of support pieces that set up between dirt proof boot and inner tube, the sliding sleeve slides and can be along with the slip from top to bottom of the tensile shrink of cover on the inner tube, utilize the support ring to the middle part support of dirt proof boot, the inner tube can drive support piece when the outer slip of urceolus shrink and slide on the inner tube, both can seal the dirt proof through the dirt proof boot to the sliding contact surface of inner tube and urceolus, and the dirt proof boot can normally shrink again under support piece's support tensile, avoid the dirt proof boot to take place the distortion, effectively solve the problem that proposes in the above-mentioned background.

Description

Dustproof shock absorber

Technical Field

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

Background

The shock absorber can be used for various parts needing shock absorption, the spring inside the shock absorber is utilized to play a buffering protection role, the inner cylinder of the shock absorber needs to slide in the outer cylinder to achieve a shock absorption effect, but the inner cylinder is exposed outside and is easy to accumulate dust, the dust can enter into a gap between the inner cylinder and the outer cylinder along with the sliding of the inner cylinder in the outer cylinder, the sliding effect between the inner cylinder and the outer cylinder is reduced, the service life of the shock absorber is reduced, the dust-proof sleeve is arranged outside the inner cylinder in the prior art, the dust-proof sleeve plays a role in dust prevention, but the dust-proof sleeve can continuously shrink and stretch along with the sliding of the inner cylinder in the outer cylinder, and the middle part of the dust-proof sleeve is not supported, so that the dust-proof sleeve deforms, the normal shrinkage and stretching of the dust-proof sleeve are influenced, and therefore the dust-proof shock absorber is required to solve the problems.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides a dustproof shock absorber, which solves the problems in the background.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a dustproof bumper shock absorber, includes the main part that urceolus, inner tube, spring and dirt proof boot are constituteed, evenly be provided with a plurality of support pieces from top to bottom in the dirt proof boot, the inner tube slides and sets up in the urceolus, and the spring setting is inside urceolus and inner tube, and the upper and lower extreme of spring respectively with inner tube and urceolus inner wall fixed connection, and the dirt proof boot cover is established outside the inner tube, the top and the bottom of dirt proof boot are all fixed and are provided with the installation cover.

Preferably, the support pieces comprise sliding sleeves, support rings and a plurality of support rods, the support rods are fixedly arranged between the sliding sleeves and the support rings, the sliding sleeves are sleeved on the inner cylinders, and the support rings are fixedly arranged outside the dust covers.

Preferably, two the installation cover is established on the top of urceolus and inner tube respectively, and the both sides of two installation covers are all connected with the screw rod through the screw hole of seting up, the mounting groove has all been seting up to the top both sides of urceolus and inner tube, and four screw rods respectively one-to-one dock with four mounting grooves.

Preferably, the bottom side install a plurality of blast pipes on the installation cover, and the vertical setting of blast pipe, and the top side of blast pipe corresponds the dirt proof boot inside.

Preferably, the dust cover is made of rubber.

(III) beneficial effects

The utility model has the beneficial effects that:

this dustproof bumper shock absorber, through a plurality of support pieces that set up between dirt proof boot and inner tube, the sliding sleeve slides and can be along with the slip from top to bottom of the tensile shrink of cover on the inner tube, utilize the support ring to the middle part support of dirt proof boot, the inner tube can drive support piece when the outer slip of urceolus shrink and slide on the inner tube, both can seal the dirt proof through the dirt proof boot to the sliding contact surface of inner tube and urceolus, and the dirt proof boot can normally shrink again under support piece's support tensile, avoid the dirt proof boot to take place the distortion, effectively solve the problem that proposes in the above-mentioned background.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the present utility model;

fig. 3 is a schematic view of a partial perspective structure of the present utility model.

In the figure: 1 outer cylinder, 2 inner cylinder, 3 spring, 4 dust proof cover, 5 support piece, 51 sliding sleeve, 52 support ring, 53 supporting rod, 6 installation cover, 7 screw rod, 8 installation groove, 9 blast pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a dustproof bumper shock absorber, including urceolus 1, inner tube 2, the main part that spring 3 and dirt proof boot 4 are constituteed, evenly be provided with a plurality of support pieces 5 from top to bottom in the dirt proof boot 4, inner tube 2 slides and sets up in urceolus 1, and spring 3 sets up inside urceolus 1 and inner tube 2, and the upper and lower extreme of spring 3 respectively with inner tube 2 and urceolus 1 inner wall fixed connection, and dirt proof boot 3 cover is established in inner tube 2 outside, the top and the bottom of dirt proof boot 3 are all fixed and are provided with installation cover 6.

The supporting pieces 5 comprise the sliding sleeve 51, the supporting ring 52 and the supporting rods 53, the supporting rods 53 are fixedly arranged between the sliding sleeve 51 and the supporting ring 52, the sliding sleeve 51 is sleeved on the inner cylinder 2, the supporting ring 52 is fixedly arranged outside the dustproof sleeve 4, the inner cylinder 2 slides downwards in the outer cylinder 1 to compress the spring 3 when the shock absorber is loaded, the shock absorber plays a role in buffering and damping, the dustproof sleeve 4 stretches out and draws back along with the inner cylinder 1 when the inner cylinder 2 slides and stretches out and draws back, the sliding contact surface of the inner cylinder 2 and the outer cylinder 1 is sealed and dustproof by the protecting sleeve 4, the sliding sleeve 51 of the supporting piece 5 can be driven to slide on the inner cylinder 2 when the dustproof sleeve 4 stretches out and draws back, the dustproof sleeve 4 can be guaranteed to normally shrink under the supporting of the supporting piece 5, and the dustproof sleeve 4 can be prevented from twisting.

Two installation sleeves 6 are respectively sleeved on the top ends of the outer cylinder 1 and the inner cylinder 2, two sides of each installation sleeve 6 are respectively connected with screw rods 7 through the threaded holes, the two sides of the top ends of the outer cylinder 1 and the inner cylinder 2 are respectively provided with installation grooves 8, the four screw rods 7 are respectively in butt joint with the four installation grooves 8 in one-to-one correspondence, and the installation sleeves 6, the screw rods 7 and the like are matched, so that the installation and the disassembly of the dust cover 4 are facilitated.

Install a plurality of blast pipes 9 on the bottom side installation cover 6, and blast pipe 9 vertical setting, and inside the top side of blast pipe 9 corresponds dust cover 4, inside gaseous accessible blast pipe 9 exhaust when the dust cover 4 shrink, the outer wall of urceolus 1 can be blown to through blast pipe 9 exhaust gas, plays the dust removal effect to the outer wall of urceolus 1.

The dustproof cover 4 is made of rubber, so that the tightness of the dustproof cover 4 can be ensured, and the dustproof cover is easy to stretch and shrink.

The utility model comprises the following operation steps:

the inner tube 2 is to the compression of spring 3 when the bumper shock absorber receives the load in urceolus 1 gliding, play buffering cushioning effect, when inner tube 2 slides in urceolus 1 and stretches out and draws back, dust cover 4 can be along with stretching, and the lag 4 is sealed dustproof to the sliding contact surface of inner tube 2 and urceolus 1, the sliding sleeve 51 that can drive support piece 5 when dust cover 4 shrink slides on inner tube 2, dust cover 4 can guarantee normal shrink tensile under support piece 5's support, can avoid dust cover 4 to take place the distortion again, inside gaseous accessible blast pipe 9 exhaust when dust cover 4 shrink, the outer wall of urceolus 1 can be blown through blast pipe 9 exhaust gas, play the dust removal effect to the outer wall of urceolus 1.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A dustproof shock absorber, characterized in that: including urceolus (1), inner tube (2), main part that spring (3) and dirt proof boot (4) are constituteed, evenly be provided with a plurality of support pieces (5) from top to bottom in dirt proof boot (4), inner tube (2) slide and set up in urceolus (1), and spring (3) set up inside urceolus (1) and inner tube (2), and the upper and lower extreme of spring (3) respectively with inner tube (2) and urceolus (1) inner wall fixed connection, and dirt proof boot (4) cover is established in inner tube (2) outside, the top and the bottom of dirt proof boot (4) are all fixed and are provided with installation cover (6).

2. A dust damper according to claim 1, wherein: the supporting pieces (5) comprise sliding sleeves (51), supporting rings (52) and supporting rods (53), the supporting rods (53) are fixedly arranged between the sliding sleeves (51) and the supporting rings (52), the sliding sleeves (51) are sleeved on the inner cylinder (2), and the supporting rings (52) are fixedly arranged outside the dustproof sleeves (4).

3. A dust damper according to claim 1, wherein: the two installation sleeves (6) are respectively sleeved on the top ends of the outer cylinder (1) and the inner cylinder (2), screw rods (7) are connected to two sides of the two installation sleeves (6) through threaded holes, installation grooves (8) are respectively formed in two sides of the top ends of the outer cylinder (1) and the inner cylinder (2), and the four screw rods (7) are respectively in butt joint with the four installation grooves (8) in a one-to-one correspondence.

4. A dust damper according to claim 1, wherein: a plurality of exhaust pipes (9) are arranged on the mounting sleeve (6) at the bottom side, the exhaust pipes (9) are vertically arranged, and the top side of each exhaust pipe (9) corresponds to the inside of the dust-proof sleeve (4).

5. A dust damper according to claim 1, wherein: the dustproof cover (4) is made of rubber.