CN217233970U

CN217233970U - Buffer type hydraulic oil cylinder

Info

Publication number: CN217233970U
Application number: CN202220454020.6U
Authority: CN
Inventors: 张坷; 毛杰
Original assignee: Changzhou Qiaotelai Heavy Hydraulic Cylinders Co ltd
Current assignee: Changzhou Qiaotelai Heavy Hydraulic Cylinders Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-08-19
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a buffering formula hydraulic cylinder, including hydraulic cylinder body, fixed plate and hydraulic pressure lift stopper, the guide bar is all installed to the inside of hydraulic cylinder body, one side of hydraulic cylinder body is provided with the mounting panel, and the mounting panel inboard install with hydraulic cylinder body inner wall assorted sealing plug, the inside of mounting panel is provided with the fixed plate, and the fixed plate outer wall be provided with hydraulic cylinder body inner wall assorted hydraulic pressure lift stopper, the outer wall phase-match of inside and the guide bar of hydraulic pressure lift stopper, the fixed slot has all been seted up to the inner wall of hydraulic cylinder body. This buffering formula hydraulic cylinder extrudees to arc buffer board and damping spring through hydraulic pressure lift stopper for arc buffer board and damping spring take place the crimple in the guide bar, then drive hydraulic pressure lift stopper and reset under arc buffer board and damping spring self elastic action, and then be convenient for play the shock attenuation buffering effect to the position of hydraulic pressure lift stopper.

Description

Buffer type hydraulic oil cylinder

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a buffering formula hydraulic cylinder.

Background

The hydraulic oil cylinder generally comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffering device and an exhaust device, and has the functions of converting hydraulic energy into mechanical energy and converting the hydraulic energy into mechanical energy in reciprocating linear motion, and the traditional buffering type hydraulic oil cylinder can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:

1. when most of hydraulic oil cylinders in the current market are used, the buffering effect is poor, so that the pressure of the hydraulic oil cylinders is too large, and the service life of the hydraulic oil cylinders is not long;

2. most hydraulic cylinder is not convenient for dismantle the replacement to hydraulic cylinder when using in the existing market to operating personnel need consume a large amount of time and energy and dismantle, makes the practicality not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a buffering formula hydraulic cylinder to the not good and not convenient for of buffering effect that provides among the above-mentioned background art dismantles the problem of replacement to hydraulic cylinder.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a buffering formula hydraulic cylinder, includes hydraulic cylinder body, fixed plate and hydraulic pressure lift stopper, the guide bar is all installed to the inside of hydraulic cylinder body, one side of hydraulic cylinder body is provided with the mounting panel, and the mounting panel inboard install with hydraulic cylinder body inner wall assorted sealing plug, the inside of mounting panel is provided with the fixed plate, and the fixed plate outer wall be provided with hydraulic cylinder body inner wall assorted hydraulic pressure lift stopper, the outer wall phase-match of hydraulic pressure lift stopper inside and guide bar, the fixed slot has all been seted up to the inner wall of hydraulic cylinder body, and the spout has all been seted up to the inside of fixed slot outer wall hydraulic cylinder body, the connecting plate is all installed to the outer wall of mounting panel.

Preferably, a sealing groove is formed in each side of the inner wall of the hydraulic oil cylinder body, and a sealing block matched with the sealing groove is installed on one side of the sealing plug.

Preferably, the guide bar outer wall all is provided with the arc buffer board that is connected with the hydraulic pressure lift stopper, the outer wall of guide bar is provided with damping spring, and damping spring's outer wall is connected with the arc buffer board.

Preferably, the outer wall of the sealing plug is provided with fixing blocks matched with the fixing grooves, and the fixing blocks are all provided with limiting grooves.

Preferably, the inside of spout is provided with the sliding block, and the inside pull rod that is provided with through connection board of sliding block.

Preferably, the outer wall of the pull rod is provided with a rigid spring connected with the connecting plate, and one side of the rigid spring is connected with the sliding block.

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

1. the hydraulic lifting plug is arranged on the guide rod, the damping spring and the arc-shaped buffer plate move towards one side in the guide rod through the hydraulic lifting plug, so that the hydraulic lifting plug extrudes the arc-shaped buffer plate and the damping spring, the arc-shaped buffer plate and the damping spring are contracted in the guide rod, the hydraulic lifting plug is driven to reset under the action of self elasticity of the arc-shaped buffer plate and the damping spring, and the damping buffer effect is further achieved on the position of the hydraulic lifting plug;

2. the device drives the sliding block to drive the sliding chute to move through outwards pulling the pull rod by installing the hydraulic oil cylinder body, the hydraulic lifting plug and the pull rod, so that the rigid spring is extruded by the pull rod, the rigid spring is contracted, the pull rod is separated from the limiting groove, then the mounting plate drives the fixing block to be separated from the fixing groove, and the mounting plate is driven to be separated from the hydraulic oil cylinder body.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

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

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a hydraulic cylinder body; 2. a fixing plate; 3. a guide bar; 4. a hydraulic lift plug; 5. mounting a plate; 6. a sealing plug; 7. a sealing groove; 8. a sealing block; 9. a damping spring; 10. fixing grooves; 11. a chute; 12. a fixed block; 13. a limiting groove; 14. a connecting plate; 15. a slider; 16. a pull rod; 17. a rigid spring; 18. an arc-shaped buffer plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a buffer type hydraulic oil cylinder comprises a hydraulic oil cylinder body 1, a fixing plate 2 and a hydraulic lifting plug 4, wherein a guide rod 3 is arranged on the inner wall of the hydraulic oil cylinder body 1;

a sealing groove 7 is formed in the side wall of the inner side of the hydraulic oil cylinder body 1, a sealing block 8 matched with the sealing groove 7 is installed on the outer wall of the sealing plug 6, and the sealing block 8 is driven by the sealing plug 6 to be inserted into the sealing groove 7, so that the position in the hydraulic oil cylinder body 1 is hermetically installed;

the outer wall of the guide rod 3 is provided with an arc-shaped buffer plate 18 connected with the hydraulic lifting plug 4, the outer wall of the guide rod 3 is provided with a damping spring 9, the outer wall of the damping spring 9 is connected with the arc-shaped buffer plate 18, the hydraulic lifting plug 4 moves towards the hydraulic oil cylinder body 1, so that the hydraulic lifting plug 4 extrudes the arc-shaped buffer plate 18 and the damping spring 9, the arc-shaped buffer plate 18 and the damping spring 9 are contracted, and the hydraulic lifting plug 4 is driven to reset in the guide rod 3 under the self elastic force action of the arc-shaped buffer plate 18 and the damping spring 9;

a mounting plate 5 is arranged on one side inside the hydraulic oil cylinder body 1, a fixing plate 2 is arranged inside the mounting plate 5, a hydraulic lifting plug 4 matched with the inner wall of the hydraulic oil cylinder body 1 is arranged on the outer wall of the fixing plate 2, and the inside of the hydraulic lifting plug 4 is matched with the outer wall of the guide rod 3;

a sealing plug 6 matched with the inner wall of the hydraulic oil cylinder body 1 is arranged on one side of the mounting plate 5;

the outer wall of the sealing plug 6 is provided with a fixing block 12 matched with the fixing groove 10, the inside of each fixing block 12 is provided with a limiting groove 13, the mounting plate 5 drives the sealing plug 6 to move towards the hydraulic oil cylinder body 1, so that the mounting plate 5 is attached to the hydraulic oil cylinder body 1, and the hydraulic oil cylinder body 1 is conveniently sealed and mounted;

the inner wall of the hydraulic oil cylinder body 1 is provided with a fixing groove 10, and the outer wall of the fixing groove 10 is provided with a sliding groove 11 inside the hydraulic oil cylinder body 1;

a sliding block 15 is arranged inside the sliding groove 11, a pull rod 16 penetrating through the connecting plate 14 is arranged inside the sliding block 15, the sliding block 15 is driven to drive the sliding groove 11 to move by pulling the pull rod 16 outwards, so that the pull rod 16 extrudes the rigid spring 17, the rigid spring 17 is contracted, the pull rod 16 is separated from the limiting groove 13, and the fixing block 12 is separated from the fixing groove 10;

the outer wall of the pull rod 16 is provided with a rigid spring 17 connected with the connecting plate 14, one side of the rigid spring 17 is connected with the sliding block 15, the sliding block 15 is driven by outwards pulling the pull rod 16 to drive the sliding chute 11 to move, so that the pull rod 16 extrudes the rigid spring 17, the rigid spring 17 contracts, the pull rod 16 is separated from the limiting groove 13, the fixed block 12 is separated from the fixed groove 10, and the connecting plate 14 is installed on the outer wall of the mounting plate 5.

The working principle is as follows: when the buffering type hydraulic oil cylinder is used, an operator firstly switches on an external power supply, then hydraulic oil is added into the hydraulic oil cylinder body 1 through an oil inlet pipe, so that the hydraulic lifting plug 4 moves to one side in the guide rod 3, the hydraulic lifting plug 4 extrudes the arc-shaped buffer plate 18 and the damping spring 9, the arc-shaped buffer plate 18 and the damping spring 9 are contracted in the guide rod 3, the hydraulic lifting plug 4 is driven to reset under the action of self elasticity of the arc-shaped buffer plate 18 and the damping spring 9, and the position of the hydraulic lifting plug 4 is convenient to play a damping and buffering effect;

when the separation is dismantled in needs are to hydraulic cylinder body 1, then drive stiff spring 17 to a lateral shifting through pulling pull rod 16 to the outside, thereby pull rod 16 drives sliding block 15 and slides in spout 11, then pull rod 16 separates with spacing groove 13, dismantle sealing plug 6 in hydraulic cylinder body 1 department after that, when needs are installed, then insert hydraulic cylinder body 1 through driving sealing plug 6 with mounting panel 5 in, after pull rod 16 aligns with spacing groove 13's position, loosen pull rod 16, drive pull rod 16 and insert spacing groove 13 under stiff spring 17 self elastic action in, simultaneously sealed piece 8 inserts in the seal groove 7, carry out seal installation, it is above the utility model discloses a whole principles.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a buffering formula hydraulic cylinder, includes hydraulic cylinder body (1), fixed plate (2) and hydraulic pressure lift stopper (4), its characterized in that: guide bar (3) are all installed to the inside of hydraulic cylinder body (1), one side of hydraulic cylinder body (1) is provided with mounting panel (5), and mounting panel (5) inboard install with hydraulic cylinder body (1) inner wall assorted sealing plug (6), the inside of mounting panel (5) is provided with fixed plate (2), and fixed plate (2) outer wall be provided with hydraulic cylinder body (1) inner wall assorted hydraulic pressure lift stopper (4), the outer wall phase-match of hydraulic pressure lift stopper (4) inside and guide bar (3), fixed slot (10) have all been seted up to the inner wall of hydraulic cylinder body (1), and fixed slot (10) outer wall hydraulic cylinder body (1) inside has all seted up spout (11), connecting plate (14) have all been installed to the outer wall of mounting panel (5).

2. A cushioned hydraulic ram as claimed in claim 1, wherein: the hydraulic cylinder is characterized in that sealing grooves (7) are formed in the side of the inner wall of the hydraulic cylinder body (1), and sealing blocks (8) matched with the sealing grooves (7) are installed on one side of each sealing plug (6).

3. A cushioned hydraulic ram as claimed in claim 1, wherein: the outer wall of the guide rod (3) is provided with an arc-shaped buffer plate (18) connected with the hydraulic lifting plug (4), the outer wall of the guide rod (3) is provided with a damping spring (9), and the outer wall of the damping spring (9) is connected with the arc-shaped buffer plate (18).

4. A cushioned hydraulic ram as claimed in claim 1, wherein: sealing plug (6) outer wall all is provided with fixed slot (10) assorted fixed block (12), and spacing groove (13) have all been seted up to the inside of fixed block (12).

5. A cushioned hydraulic ram as claimed in claim 1, wherein: the inside of spout (11) is provided with sliding block (15), and sliding block (15) inside is provided with pull rod (16) that runs through connecting plate (14).

6. A cushioned hydraulic ram as claimed in claim 5, wherein: the outer wall of the pull rod (16) is provided with a rigid spring (17) connected with the connecting plate (14), and one side of the rigid spring (17) is connected with the sliding block (15).