CN214661686U

CN214661686U - Hydraulic damping buffer

Info

Publication number: CN214661686U
Application number: CN202120314153.9U
Authority: CN
Inventors: 李力
Original assignee: Yunnan Benmu Technology Co ltd
Current assignee: Yunnan Benmu Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-09
Anticipated expiration: 2031-02-03

Abstract

The utility model provides a hydraulic damping buffer, which comprises an oil cylinder, wherein the inner wall of the oil cylinder is provided with an oil cavity, the upper end of the inner wall of the oil cavity is symmetrically provided with a sliding groove, a sliding block is connected in the sliding groove, a buffer device is movably connected in the oil cavity, the buffer device comprises a connecting rod, the lower end of the connecting rod is fixedly connected with a piston, the piston is matched with the oil cavity, the lower end of the piston is fixedly connected with a connecting shaft, the lower end of the connecting shaft is fixedly connected with a limit plug, one end surface of the limit plug corresponding to the piston is contacted with the sliding block, the lower end of the limit plug is fixedly connected with a damping mandrel, the lower end of the damping mandrel is provided with a buffer block, the lower end of the buffer block is fixedly connected with a buffer spring, the lower end of the buffer spring is fixedly connected with the lower end surface of the inner wall of the oil cavity, the hydraulic damping buffer device has simple structure, is convenient to use and is convenient to disassemble and install, the device is effectively prevented from being damaged in the buffering process.

Description

Hydraulic damping buffer

Technical Field

The utility model relates to a technical field of damping buffer specifically is a fluid pressure type damping buffer.

Background

The existing buffer damper mainly comprises an oil cylinder, a piston rod, a sealing assembly, a piston unit and an air bag, wherein the sealing assembly, the piston unit and the air bag are arranged in the oil cylinder, the piston rod penetrates through the sealing assembly, one end, located in the oil cylinder, of the piston rod is connected with the piston unit, the air bag is fixedly arranged between the piston unit and the sealing assembly, an oil way with a certain path length and a certain cross-sectional area is arranged in the piston unit, and the oil way is communicated with the two sides of the piston unit. Because the oil cylinder is filled with damping oil in the sealing assembly, after the piston rod extends into the cavity of the oil cylinder, the total volume inside the oil cylinder is unchanged, and the piston rod extends into the cavity to keep the pressure balance in the cavity by the contraction of the air bag, so that the damping oil positioned below the piston unit reaches the air bag through the oil way and extrudes the air bag, and the oil pressure adjusting process inside the oil cylinder is further completed. The cross section and the length of the oil way control the flow of the oil, so that the pressing speed of the piston rod is limited, and a damping buffer effect is formed. For example, patent No. 201822036188.1, a damping buffer, is characterized by comprising an outer shell, an inner shell of a cylinder, a sealing assembly, a piston and a piston rod; an installation cavity is arranged in the outer shell, the oil cylinder inner shell is fixed in the installation cavity, and an oil dome is arranged in the oil cylinder inner shell; the sealing assembly is arranged at the opening of the oil dome and is in sealing fit with the oil dome, the piston is positioned in the oil dome and can move axially, the left end of the piston rod is arranged in the piston, the right end of the piston rod extends out of the sealing assembly and can move axially, and the piston is provided with an oil duct so that the piston can move left and right in the oil dome. Although the buffer has the advantages of compact structure, stable operation of the buffer, difficult bursting of the inner shell of the oil cylinder, larger aperture of the oil passage of the piston, convenient processing and the like, the buffer equipment can be damaged in the buffer process.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a fluid pressure type damping buffer for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the hydraulic damping buffer comprises an oil cylinder, an oil cavity is arranged on the inner wall of the oil cylinder, sliding grooves are symmetrically arranged at the upper end of the inner wall of the oil cavity, a slide block is connected in the chute in a sliding way, a buffer device is movably connected in the oil cavity and comprises a connecting rod, the lower end of the connecting rod is fixedly connected with a piston, the piston is fit with the oil cavity, the lower end of the piston is fixedly connected with a connecting shaft, the lower end of the connecting shaft is fixedly connected with a limiting plug, one end surface of the limiting plug corresponding to the piston is contacted with the sliding block, the lower end of the limit plug is fixedly connected with a damping mandrel, the lower end of the damping mandrel is provided with a buffer block, buffer block lower extreme fixedly connected with buffer spring, terminal surface under the oil pocket inner wall is connected to buffer spring lower extreme fixed connection, the utility model discloses simple structure, convenient to use, convenient to detach installs, effectively realizes preventing equipment damage at the buffering in-process.

Furthermore, a plurality of limiting holes are symmetrically formed in the inner walls of the front side and the rear side of the sliding groove, and the telescopic block is convenient to limit and fix due to the design.

Furthermore, step holes are symmetrically formed in the outer walls of the front side and the rear side of the sliding block, and the telescopic spring and the telescopic block are convenient to install due to the design.

Furthermore, an expansion spring is fixedly connected in the step hole, an expansion block is fixedly connected at one end, which is not contacted with the inner wall of the step hole, of the expansion spring, the expansion block is matched with the limiting hole, and the design is matched with the limiting hole to limit the buffer device.

Furthermore, damping dabber lower extreme fixedly connected with blotter, this design is convenient for slow down the power of buffering.

Furthermore, the buffer cushion is made of sponge materials, and the damping mandrel is prevented from being damaged during buffering.

Furthermore, the outer wall of the oil cylinder is integrally formed with a mounting plate, and the oil cylinder is convenient to mount and fix due to the design.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a spout that the hydro-cylinder inner wall set up, the slider that sets up in the spout utilizes the flexible piece that sets up on the slider to carry on spacingly to buffer to open certain power that slows down, it is further, through the blotter that the damping spindle set up, with buffer spring and the buffer block that sets up in the oil pocket, utilize blotter and buffer block contact, unload power through buffer spring, effectively realized buffering to having received, thereby reach the utility model discloses simple structure, convenient to use, convenient to detach installs, effectively reaches the effectual purpose of buffering.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of a partial three-dimensional structure of the oil cylinder of the present invention;

fig. 4 is a schematic view of a partial sectional structure of the slider according to the present invention.

In the figure: 1. an oil cylinder; 2. a buffer device; 3. a slider; 11. a chute; 12. a buffer spring; 13. a buffer block; 14. an oil chamber; 15. mounting a plate; 21. a connecting rod; 22. a piston; 23. a connecting shaft; 24. a limiting plug; 25. a damping mandrel; 26. a cushion pad; 31. a telescopic block; 32. a tension spring; 33. a stepped bore; 111. and a limiting hole.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 heavily, a hydraulic damping buffer comprises an oil cylinder 1, an oil chamber 14 is arranged on the inner wall of the oil cylinder 1, sliding grooves 11 are symmetrically arranged at the upper end of the inner wall of the oil chamber 14, a sliding block 3 is slidably connected in the sliding grooves 11, a buffering device 2 is movably connected in the oil chamber 14, the buffering device 2 comprises a connecting rod 21, a piston 22 is fixedly connected at the lower end of the connecting rod 21, the piston 22 is engaged with the oil chamber 14, a connecting shaft 23 is fixedly connected at the lower end of the piston 22, a limiting plug 24 is fixedly connected at the lower end of the connecting shaft 23, an end surface of the limiting plug 24 corresponding to the piston 22 is contacted with the sliding block 3, a damping mandrel 25 is fixedly connected at the lower end of the limiting plug 24, a buffering block 13 is arranged at the lower end of the damping mandrel 25, a buffering spring 12 is fixedly connected at the lower end of the buffering block 13, and the lower end of the buffering spring 12 is fixedly connected at the lower end surface of the inner wall of the oil chamber 14, the utility model discloses simple structure, convenient to use, convenient to detach installation effectively realizes preventing equipment damage at the buffering in-process.

Please refer to fig. 1-4, the inner walls of the front and rear sides of the sliding slot 11 are symmetrically provided with a plurality of limiting holes 111, the outer walls of the front and rear sides of the sliding block 3 are symmetrically provided with step holes 33, an extension spring 32 is fixedly connected in the step holes 33, one end of the extension spring 32, which is not in contact with the inner wall of the step hole 33, is fixedly connected with an extension block 31, the extension block 31 is engaged with the limiting holes 111, the lower end of the damping mandrel 25 is fixedly connected with a cushion 26, the cushion 26 is made of a sponge material, and the outer wall of the oil cylinder 1 is integrally formed with a mounting plate 15, so as to reduce the downward pressing force.

The utility model discloses a concrete operation as follows:

the utility model discloses during the function, connecting rod 21 atress drives piston 22 downstream, piston 22 drives slider 3, make slider 3 slide in spout 11, when slider 3 slides, the setting is at the inside flexible piece 31 and the 1 inner wall contact of hydro-cylinder of step hole 33, utilize expanding spring 32 to contract in step hole 33, when contacting with spacing hole 111, flexible piece 31 utilizes the spring to stretch out and carries out spacing fixed to spacing downthehole 111, damping spindle 25 downshifts when slider 3 slides simultaneously, set up blotter 26 and the buffer block 13 contact on damping spindle 25, make buffer block 13 atress drive buffer spring 12 to contract downwards, thereby reach the utility model discloses simple structure, high durability and convenient use, convenient to detach installs, effectively realize preventing equipment damage in buffer process.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The hydraulic damping buffer comprises an oil cylinder (1) and is characterized in that an oil cavity (14) is formed in the inner wall of the oil cylinder (1), sliding grooves (11) are symmetrically formed in the upper end of the inner wall of the oil cavity (14), sliding blocks (3) are connected in the sliding grooves (11), a buffering device (2) is movably connected in the oil cavity (14), the buffering device (2) comprises a connecting rod (21), a piston (22) is fixedly connected to the lower end of the connecting rod (21), the piston (22) is matched with the oil cavity (14), a connecting shaft (23) is fixedly connected to the lower end of the piston (22), a limiting plug (24) is fixedly connected to the lower end of the connecting shaft (23), one end face, corresponding to the piston (22), of the limiting plug (24) is in contact with the sliding blocks (3), a damping mandrel (25) is fixedly connected to the lower end of the limiting plug (24), a buffering block (13) is arranged at the lower end of the damping mandrel (25), the lower end of the buffer block (13) is fixedly connected with a buffer spring (12), and the lower end of the buffer spring (12) is fixedly connected to the lower end face of the inner wall of the oil cavity (14).

2. The hydraulic damping buffer of claim 1, wherein the inner walls of the front and rear sides of the sliding groove (11) are symmetrically provided with a plurality of limiting holes (111).

3. The hydraulic damping buffer as claimed in claim 1, wherein the outer walls of the front and rear sides of the sliding block (3) are symmetrically provided with stepped holes (33).

4. The hydraulic damping buffer of claim 3, wherein an extension spring (32) is fixedly connected in the stepped hole (33), an extension block (31) is fixedly connected to one end of the extension spring (32) which is not in contact with the inner wall of the stepped hole (33), and the extension block (31) is engaged with the limiting hole (111).

5. The hydraulic damping cushion according to claim 1, wherein a cushion (26) is fixedly connected to the lower end of the damping mandrel (25).

6. The fluid dynamic damping cushion of claim 5, wherein the cushion (26) is a sponge material.

7. The hydraulic damping buffer as claimed in claim 1, characterized in that the outer wall of the cylinder (1) is integrally formed with a mounting plate (15).