CN216951439U

CN216951439U - Single-face piston rod bidirectional equivalent damping ratio hydraulic damper

Info

Publication number: CN216951439U
Application number: CN202220763273.1U
Authority: CN
Inventors: 王彬
Original assignee: Changzhou Keheng Hydraulic Machinery Co ltd
Current assignee: Changzhou Keheng Hydraulic Machinery Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-12
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a single-sided piston rod bidirectional equivalent damping ratio hydraulic damper, which has the technical scheme main points that: including connection structure and limit structure, limit structure installs at connection structure's top, connection structure includes the shell, the inner wall of shell is equipped with the recess, the inner wall fixedly connected with sealing strip of shell, the first connecting post of the outer fixed surface of shell, connection structure can with the seal structure between the linkage to reach the effect of damping energy dissipation, when the leather cup is at recess internal motion, because the increase of frictional force can control the speed of subassembly motion, thereby avoid the subassembly to appear fastly, form the phenomenon of great loss, prolonged the life between the subassembly, limit structure's existence simultaneously makes the mounted position of subassembly can extend, can increase and decrease the control range between the subassembly.

Description

Single-face piston rod bidirectional equivalent damping ratio hydraulic damper

Technical Field

The utility model relates to the technical field of dampers, in particular to a single-side piston rod bidirectional equivalent damping ratio hydraulic damper.

Background

The hydraulic damper is a hydraulic feeding speed control device which can freely adjust the feeding speed of a cylinder within a desired range from low speed to high speed, the control modes comprise a spring return type and an air return type, the spring return type and the air return type can be selected according to the application, and the damper is a device which provides resistance force for movement and consumes movement energy.

However, in the actual use process, the existing single-sided piston rod bidirectional equivalent damping ratio hydraulic damper is single in connection mode, and when the single-sided piston rod bidirectional equivalent damping ratio hydraulic damper performs telescopic motion, a positioning protection component during retraction does not exist, so that when the single-sided piston rod bidirectional equivalent damping ratio hydraulic damper moves, large loss can be formed among the components, and due to the structural particularity of the single-sided piston rod bidirectional equivalent damping ratio hydraulic damper, the single-sided piston rod bidirectional equivalent damping ratio hydraulic damper is not easy to maintain, and defects exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a single-face piston rod bidirectional equivalent damping ratio hydraulic damper, which aims to solve the problems that the existing single-face piston rod bidirectional equivalent damping ratio hydraulic damper in the prior art is single in connection mode, and when the single-face piston rod bidirectional equivalent damping ratio hydraulic damper performs telescopic motion, a positioning protection assembly does not exist during retraction, so that when the single-face piston rod bidirectional equivalent damping ratio hydraulic damper moves, large loss can be formed between the assemblies, and the single-face piston rod bidirectional equivalent damping ratio hydraulic damper is not easy to maintain due to the structural particularity of the single-face piston rod bidirectional equivalent damping ratio hydraulic damper.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a single face piston rod two-way equivalent damping ratio hydraulic damper, includes connection structure and limit structure, limit structure installs at connection structure's top, connection structure includes the shell, the inner wall of shell is equipped with the recess, the inner wall fixedly connected with sealing strip of shell, the first spliced pole of surface fixedly connected with of shell, the one end fixedly connected with connecting plate of first spliced pole, the surface of connecting plate is connected with the spring, the spring is with the central mirror image parallel arrangement of locating of connecting plate, the surface fixedly connected with second spliced pole of connecting plate, the surface of second spliced pole is equipped with the leather cup, the one end fixedly connected with piston head of second spliced pole.

Through adopting above-mentioned technical scheme, the quantity of leather cup is provided with four, and a plurality of leather cups can promote the stability between the subassembly when the subassembly moves.

Preferably, the outer surface of the shell is provided with a limiting structure, the limiting structure comprises a connecting seat, and the connecting seat is connected with the shell.

Through adopting above-mentioned technical scheme, the connecting seat provides the space that the position was held for its inside subassembly.

Preferably, the inner wall of the connecting seat is provided with a limiting plate, and the limiting plate is arranged in parallel by using a mirror image at the center of the connecting seat.

By adopting the technical scheme, the position of the special-shaped limiting plate can be limited by the limiting plate.

Preferably, the outer surface of the connecting seat is provided with a first limiting hole in a penetrating manner.

Through adopting above-mentioned technical scheme, can pass through the bolt fastening between first spacing hole and the second spacing hole.

Preferably, the connecting seat is internally provided with a special-shaped limiting plate.

Through adopting above-mentioned technical scheme, the limiting plate can be injectd the position of abnormal shape limiting plate.

Preferably, the outer surface of the special-shaped limiting plate is provided with a second limiting hole in a penetrating mode.

In summary, the utility model mainly has the following beneficial effects:

connection structure can and seal structure between the linkage to reach the effect of damping energy dissipation, the leather cup is when recess inside motion, because the increase of frictional force, can control the speed of subassembly motion, thereby avoid the subassembly too fast to appear, form the phenomenon of great loss, prolonged the life between the subassembly, limit structure's existence simultaneously makes the mounted position of subassembly can extend, can increase and decrease the control range between the subassembly.

Drawings

FIG. 1 is a perspective oblique side schematic view of the present invention;

FIG. 2 is an exploded schematic view of the connection structure of the present invention;

FIG. 3 is a schematic view of the groove structure of the present invention;

fig. 4 is a schematic view of the limiting structure of the present invention.

Reference numerals: 1. a connecting structure; 11. a housing; 12. a groove; 13. a sealing strip; 14. a first connecting column; 15. a connecting plate; 16. a spring; 17. a second connecting column; 18. a leather cup; 19. a piston head;

2. a sealing structure; 21. an inner shell; 22. a sealing groove;

3. a limiting structure; 31. a connecting seat; 32. a limiting plate; 33. a first limit hole; 34. a special-shaped limiting plate; 35. a second limiting hole.

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, 2 and 4, a single-sided piston rod two-way type hydraulic damper with equivalent damping ratio comprises a connecting structure 1 and a limiting structure 3, wherein the limiting structure 3 is installed at the top of the connecting structure 1, the limiting structure 3 can limit the positions of the connecting structure 1 and components thereof, the connecting structure 1 comprises a shell 11, a groove 12, a sealing strip 13, a first connecting column 14, a connecting plate 15, a spring 16, a second connecting column 17, a cup 18 and a piston head 19, the outer surface of the piston head 19 is fixedly connected with the second connecting column 17, the cup 18 is provided with a plurality of cups 18 in a penetrating manner, the plurality of cups 18 can increase the friction force of the components during movement, the outer surface of the spring 16 is connected with the connecting plate 15, the outer surface of the connecting plate 15 is fixedly connected with the first connecting column 14, and the connecting plate 15 plays a connecting role between the first connecting column 14 and the spring 16, the sealing strip 13 is arranged inside the shell 11, the groove 12 is arranged on the inner wall of the shell 11, the leather cup 18 moves inside the groove 12, the friction force between the components is improved, the speed reduction effect is achieved when the components move telescopically, the phenomenon that the components are abraded greatly is avoided, and the purpose of protecting the components is achieved, the limiting structure 3 comprises a connecting seat 31, a limiting plate 32, a first limiting hole 33, a special-shaped limiting plate 34 and a second limiting hole 35, the second limiting hole 35 is arranged on the outer surface of the special-shaped limiting plate 34, the number of the second limiting holes 35 on the outer surface of the special-shaped limiting plate 34 is two, a user can conveniently select the installation position according to the use condition, the special-shaped limiting plate 34 is arranged inside the connecting seat 31, the first limiting hole 33 is arranged on the outer surface of the connecting seat 31, the limiting plate 32 is arranged on the inner wall of the connecting seat 31, the position of the special-shaped limiting plate 34 can be limited by the limiting plate 32, so that the special-shaped limiting plate 34 can only move inside the connecting seat 31.

Referring to fig. 1, fig. 2 and fig. 4, the inside of outer shell 11 is equipped with seal structure 2, seal structure 2 includes inner shell 21, seal structure 2 can with link between the connection structure 1 mutually for connection structure 1 and its subassembly can be at the inside motion of seal structure 2, inner shell 21 activity joint is in outer shell 11, inner shell 21 can play the effect that the position was held to its inside subassembly, the surface of inner shell 21 is equipped with seal groove 22, seal groove 22 is with the central department mirror image parallel arrangement of inner shell 21, stability when a plurality of seal grooves 22 can promote connection structure 1 and seal structure 2 and be connected.

The working principle is as follows: referring to fig. 1, 2, 3 and 4, when the device is used, firstly, the sealing strip 13 is movably installed inside the sealing groove 22, then the two connecting seats 31 are respectively installed, if a user does not need to adjust the installation position, a bolt is installed through the inside of the first limiting hole 33 and the second limiting hole 35, if the installation position needs to be extended, the special-shaped limiting plate 34 is pulled upwards to extend inside the connecting seat 31, then the bolt is installed in the second limiting hole 35, so that the position of the limiting structure 3 is limited, meanwhile, when the device moves, the connecting seat 31 also stretches inside the special-shaped limiting plate 34, the effect of position extension is achieved, the sealing strip 13 is clamped with the sealing groove 22, the sealing performance of the device can be ensured, and simultaneously, when the connecting structure 1 moves, the spring 16 drives the leather cup 18 and the piston head 19 to move inside the inner shell 21, at this moment, the leather cup 18 can move in the groove 12, the friction force between the components is improved, and the effect of speed reduction is achieved when the components move in a telescopic mode.

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. The utility model provides a two-way equivalent damping ratio hydraulic damper of single face piston rod, includes connection structure (1) and limit structure (3), the top at connection structure (1), its characterized in that are installed in limit structure (3): connection structure (1) includes shell (11), the inner wall of shell (11) is equipped with recess (12), the inner wall fixedly connected with sealing strip (13) of shell (11), the first spliced pole (14) of the outer fixed surface of shell (11) is connected with, the one end fixedly connected with connecting plate (15) of first spliced pole (14), the surface of connecting plate (15) is connected with spring (16), mirror image parallel arrangement is located with the center of connecting plate (15) in spring (16), the outer fixed surface of connecting plate (15) is connected with second spliced pole (17), the surface of second spliced pole (17) is equipped with leather cup (18), the one end fixedly connected with piston head (19) of second spliced pole (17).

2. The single-sided piston rod bidirectional equivalent damping ratio hydraulic damper according to claim 1, characterized in that: the outer surface of shell (11) is equipped with limit structure (3), limit structure (3) are including connecting seat (31), connecting seat (31) are connected with shell (11).

3. The single-sided piston rod bidirectional equivalent damping ratio hydraulic damper according to claim 2, characterized in that: the inner wall of connecting seat (31) is equipped with limiting plate (32), limiting plate (32) are with the central department mirror image parallel arrangement of connecting seat (31).

4. The single-sided piston rod bidirectional equivalent damping ratio hydraulic damper according to claim 2, characterized in that: the outer surface of the connecting seat (31) is provided with a first limiting hole (33) in a penetrating mode.

5. The single-sided piston rod bidirectional equivalent damping ratio hydraulic damper according to claim 2, characterized in that: and a special-shaped limiting plate (34) is arranged in the connecting seat (31).

6. The single-sided piston rod bidirectional equivalent damping ratio hydraulic damper according to claim 5, characterized in that: and a second limiting hole (35) penetrates through the outer surface of the special-shaped limiting plate (34).