CN216200088U

CN216200088U - Bidirectional shock absorber

Info

Publication number: CN216200088U
Application number: CN202122678468.4U
Authority: CN
Inventors: 曹国清
Original assignee: Tengzhou Chuangbo Numerical Control Equipment Co ltd
Current assignee: Tengzhou Chuangbo Numerical Control Equipment Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to a double-acting shock absorber which comprises a shell, wherein a guide seat is fixedly arranged in the shell, a piston body is fixedly arranged in the shell and positioned at the bottom of the guide seat, a piston rod penetrating through the guide seat is movably arranged in the piston body, a protection mechanism is movably arranged outside the shell, and the protection mechanism comprises a protection cover, a sealing ring, a fixing plate, a connecting plate, a sliding block and a limiting ring. This two-way effect bumper shock absorber drives the protection casing through setting up the protection casing piston rod and removes, and the protection casing removes and drives the fixed plate and remove, and the fixed plate removes and drives the slider and slide in the inside spout of connecting plate, makes the protection casing remove at the outside of shell along with the piston rod, has the effect that debris brought into when preventing the piston rod and removing, through setting up the sealing ring, inside the top can not have the foreign matter to take into the protection casing when the sealing ring makes the piston rod remove, has reached the good effect of sealed protectiveness.

Description

Bidirectional shock absorber

Technical Field

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

Background

The shock Absorber (Absorber) is mainly divided into two types of hydraulic pressure and inflation from the angle of a damping material, and also comprises a variable damping shock Absorber which is mainly used for inhibiting the shock when a spring absorbs the shock and rebounds and the impact from the road surface.

The shock absorber in the current market is widely applied, a cylinder shock absorber is widely adopted in an automobile suspension system, the shock absorber can play a shock absorbing role in compression and extension strokes, namely a bidirectional shock absorber, and a novel shock absorber is also adopted and comprises an inflatable shock absorber and a resistance-adjustable shock absorber.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a bidirectional shock absorber which has the advantage of good protection performance and solves the problems that when most bidirectional tubular shock absorbers are installed, the opening of a dustproof cover cylinder faces downwards, silt easily enters from the space between a dustproof sleeve and an oil storage cylinder, the silt and other sundries are accumulated at an oil seal or on a piston rod, the piston rod is coiled into the oil seal when reciprocating, the oil seal and the piston rod are damaged, the piston rod is easily abraded in the reciprocating process, and the service life of the piston rod is influenced.

In order to achieve the purpose of good protection, the utility model provides the following technical scheme: a double-acting shock absorber comprises a shell, wherein a guide seat is fixedly arranged in the shell, a piston body is fixedly arranged in the shell and positioned at the bottom of the guide seat, a piston rod penetrating through the guide seat is movably arranged in the piston body, and a protection mechanism is movably arranged outside the shell;

protection machanism includes protection casing, sealing ring, fixed plate, connecting plate, slider and spacing ring, the outside movable mounting of shell has the protection casing, the top fixed mounting of protection casing have with the outside fixed connection's of piston rod sealing ring, the inside equal fixed mounting in the left and right sides of protection casing has the fixed plate, the inside equal fixed mounting in the shell left and right sides has the connecting plate, two the equal fixed mounting in opposite face of fixed plate has the slider that extends to the connecting plate inside, the outside of shell and the bottom fixed mounting that is located the protection casing have the spacing ring.

Further, two the spout with slider looks adaptation is all seted up to the left and right sides of the face of leaving mutually of connecting plate and shell, the bottom fixed mounting of protection casing has the sealing washer.

Furthermore, the quantity of fixed plate is two, the quantity of connecting plate, slider and spout all is the same and the one-to-one correspondence with the quantity of fixed plate.

Furthermore, the left side of the piston rod is fixedly provided with an extension valve fixedly connected with the left side of the piston body, and the right side of the piston rod is fixedly provided with a circulation valve fixedly connected with the right side of the piston body.

Further, the top fixed mounting of piston body has the oil storage bucket that extends to the guide holder bottom, the inside of shell and the bottom fixed mounting who is located the circulation valve have the compensating valve.

Further, the inside of shell and the left side fixed mounting who is located the compensating valve have a compression valve, the bottom of shell and the top fixed mounting of piston rod have the retainer plate, the top the retainer plate is located the top of sealing ring and with piston rod top fixed connection.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this two-way effect bumper shock absorber, through setting up the protection casing, when the piston rod removes, the piston rod drives the protection casing and removes, the protection casing removes and drives the fixed plate and remove, the fixed plate removes and drives the slider and slides in the inside spout of connecting plate, make the protection casing remove at the outside of shell along with the piston rod, the effect that debris brought in when preventing the piston rod from removing, through setting up the sealing ring, the top can not have the foreign matter to take into the protection casing when the sealing ring makes the piston rod remove inside, through setting up the sealing washer, the sealing washer prevents that the foreign matter from getting into inside the shell bottom the protection casing, the effect that sealed protection nature is good has been reached, through setting up the spacing ring, the inside slider of spacing ring protection casing slides out from the inside spout of connecting plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the shielding mechanism of the present invention.

In the figure: the device comprises a shell 1, a piston rod 2, a protection mechanism 3, a protection cover 301, a sealing ring 302, a fixing plate 303, a connecting plate 304, a sliding block 305, a limiting ring 306, a guide seat 4, a piston body 5, an extension valve 6, a flow valve 7, an oil storage barrel 8, a compensation valve 9, a compression valve 10 and a fixing ring 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the double-acting shock absorber of the present embodiment includes a housing 1, a guide seat 4 is fixedly installed inside the housing 1, a piston body 5 is fixedly installed inside the housing 1 and at the bottom of the guide seat 4, a piston rod 2 penetrating through the interior of the guide seat 4 is movably installed inside the piston body 5, and a protection mechanism 3 is movably installed outside the housing 1;

the protection mechanism 3 comprises a protection cover 301, a sealing ring 302, a fixing plate 303, a connecting plate 304, a sliding block 305 and a limiting ring 606, the protection cover 301 is movably installed outside the shell 1, the sealing ring 302 fixedly connected with the outside of the piston rod 2 is fixedly installed at the top of the protection cover 301, the fixing plates 303 are fixedly installed inside the left side and the right side of the protection cover 301, the connecting plates 304 are fixedly installed inside the left side and the right side of the shell 1, the sliding blocks 305 extending into the connecting plates 304 are fixedly installed on the opposite surfaces of the two fixing plates 303, the limiting ring 306 is fixedly installed outside the shell 1 and positioned at the bottom of the protection cover 301, through the arrangement of the protection cover 301, when the piston rod 2 moves, the piston rod 2 drives the protection cover 301 to move, the protection cover 301 moves to drive the fixing plate 303 to move, the fixing plate 303 moves to drive the sliding blocks 305 to slide in a sliding groove inside the connecting plate 304, so that the protection cover 301 moves along with the piston rod 2 outside the shell 1, prevent that there is the effect that debris brought into when piston rod 2 from removing, through setting up sealing ring 302, the top can not have the foreign matter to take into protection casing 301 when sealing ring 302 makes piston rod 2 remove inside, through setting up the sealing washer, inside the sealing washer prevents that the foreign matter from getting into shell 1 from protection casing 301 bottom, has reached the good effect of sealed protectiveness, through setting up spacing ring 306, the inside slider 305 of spacing ring 306 protection casing 301 slides out from the inside spout of connecting plate 304.

When in implementation, the method comprises the following steps:

1) firstly, the piston rod 2 drives the protective cover 301 to move;

2) then the protective cover 301 moves to drive the fixing plate 303 to move;

3) the fixing plate 303 moves to drive the sliding block 305 to slide in the sliding groove in the connecting plate 304;

4) finally, the protective cover 301 moves along with the piston rod 2 outside the housing 1, so that foreign materials are prevented from being brought in when the piston rod 2 moves.

In summary, according to the bidirectional shock absorber, by arranging the protective cover 301, when the piston rod 2 moves, the piston rod 2 drives the protective cover 301 to move, the protective cover 301 moves to drive the fixing plate 303 to move, the fixing plate 303 moves to drive the sliding block 305 to slide in the sliding groove in the connecting plate 304, so that the protective cover 301 moves along with the piston rod 2 outside the housing 1, and the effect of bringing in impurities when the piston rod 2 moves is prevented, by arranging the sealing ring 302, no foreign matters are brought into the protective cover 301 at the top when the piston rod 2 moves by the sealing ring 302, and by arranging the sealing ring, the sealing ring prevents the foreign matters from entering the housing 1 from the bottom of the protective cover 301, so that the effect of good sealing protection is achieved, by arranging the limiting ring 306, the sliding block 305 in the limiting ring 306 protective cover 301 slides out from the sliding groove in the connecting plate 304 when being installed, so that most of the bidirectional cylinder shock absorber is solved, the opening of the dust cover cylinder faces downwards, silt enters from the dust cover cylinder and the oil storage cylinder easily, sundries such as silt can be accumulated on the oil seal or the piston rod, the piston rod is coiled into the oil seal during 2 reciprocating motions, the oil seal and the piston rod are further damaged, abrasion is easily generated in the process of the back and forth motion of the piston rod 2, and the service life of the piston rod is affected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. A double-acting shock absorber comprising a housing (1), characterized in that: a guide seat (4) is fixedly installed inside the shell (1), a piston body (5) is fixedly installed inside the shell (1) and positioned at the bottom of the guide seat (4), a piston rod (2) penetrating through the inside of the guide seat (4) is movably installed inside the piston body (5), and a protection mechanism (3) is movably installed outside the shell (1);

protection machanism (3) are including protection casing (301), sealing ring (302), fixed plate (303), connecting plate (304), slider (305) and spacing ring (306), the outside movable mounting of shell (1) has protection casing (301), the top fixed mounting of protection casing (301) has sealing ring (302) with piston rod (2) outside fixed connection, the inside equal fixed mounting in both sides has fixed plate (303) about protection casing (301), the inside equal fixed mounting in shell (1) left and right sides has connecting plate (304), two the equal fixed mounting in opposite face of fixed plate (303) has slider (305) that extends to connecting plate (304) inside, the outside of shell (1) and the bottom fixed mounting that is located protection casing (301) have spacing ring (306).

2. A double-acting shock absorber as claimed in claim 1, wherein: two the spout with slider (305) looks adaptation is all seted up to the left and right sides of the face of separating of connecting plate (304) and shell (1), the bottom fixed mounting of protection casing (301) has the sealing washer.

3. A double-acting shock absorber as claimed in claim 1, wherein: the number of the fixed plates (303) is two, and the number of the connecting plates (304), the number of the sliding blocks (305) and the number of the sliding grooves are the same as that of the fixed plates (303) and correspond to those of the fixed plates one to one.

4. A double-acting shock absorber as claimed in claim 1, wherein: the left side of the piston rod (2) is fixedly provided with an extension valve (6) fixedly connected with the left side of the piston body (5), and the right side of the piston rod (2) is fixedly provided with a flow valve (7) fixedly connected with the right side of the piston body (5).

5. A double-acting shock absorber as claimed in claim 1, wherein: the top fixed mounting of piston body (5) has oil storage bucket (8) that extend to guide holder (4) bottom, the inside of shell (1) and the bottom fixed mounting who is located flow valve (7) have compensating valve (9).

6. A double-acting shock absorber as claimed in claim 1, wherein: the inside of shell (1) and the left side fixed mounting who is located compensating valve (9) have compression valve (10), the bottom of shell (1) and the top fixed mounting of piston rod (2) have retainer plate (11), the top retainer plate (11) are located the top of sealing ring (302) and with piston rod (2) top fixed connection.