CN219932627U - Multistage buffer structure for hydraulic cylinder - Google Patents

Abstract

The utility model discloses a multistage buffering structure for a hydraulic cylinder, which comprises a cylinder body, wherein a cylinder cover is arranged at the top of the cylinder body, a sealing gasket is fixedly connected to the bottom of the cylinder cover, a partition plate is fixedly connected between two sides of an inner cavity of the cylinder body, telescopic rods are fixedly connected to two sides of the bottom of the partition plate, a movable plate is fixedly connected to the bottom of the telescopic rods, and first permanent magnets are fixedly connected to two sides of the bottom of the movable plate. According to the hydraulic cylinder, the cylinder body, the cylinder cover, the sealing gasket, the partition plate, the telescopic rod, the movable plate, the first permanent magnet, the piston rod, the piston plate, the second permanent magnet, the buffer box, the shell, the first spring, the limiting plate, the limiting rod, the lifting plate, the sliding rod, the sliding sleeve, the second spring, the elastic plate, the support and the extrusion plate are matched for use, so that the problems that the hydraulic cylinder in the prior art does not have a multi-stage buffer structure, only can be used for simply buffering the hydraulic cylinder, the buffer effect is poor, the long-term use is inconvenient, the damage is easy to occur, and the practicability is low are solved.

Description

Multistage buffer structure for hydraulic cylinder

Technical Field

The utility model relates to the technical field of hydraulic cylinders, in particular to a multistage buffering structure for a hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), has simple structure and reliable work, can avoid a speed reducing device when being used for realizing reciprocating motion, has no transmission clearance and stable motion, and is widely applied to hydraulic systems of various machines.

For example, the utility model in China provides a hydraulic cylinder with a buffer structure, and the publication number is: according to the utility model, the compression spring and the buffer pad are arranged, so that the impact force of the piston head striking the two ends of the cylinder body can be effectively buffered, the cylinder body is protected, the hydraulic cylinder in the prior art does not have a multi-stage buffer structure, only the hydraulic cylinder can be simply buffered, the buffer effect is poor, the long-term use is not facilitated, the damage is easy to occur, and the practicability is low.

Disclosure of Invention

The utility model aims to provide a multistage buffering structure for a hydraulic cylinder, which has the advantage of good buffering effect, and solves the problems that the hydraulic cylinder in the prior art does not have a multistage buffering structure, can simply buffer the hydraulic cylinder, has poor buffering effect, is unfavorable for long-term use, is easy to damage and has low practicability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multistage buffer structure for hydraulic cylinder, includes the cylinder body, the top of cylinder body is provided with the cylinder cap, the bottom fixedly connected with pad of cylinder cap, fixedly connected with baffle between the both sides of cylinder body inner chamber, the equal fixedly connected with telescopic link in both sides of baffle bottom, the bottom fixedly connected with fly leaf of telescopic link, the first permanent magnet of both sides equal fixedly connected with of fly leaf bottom, the top of cylinder cap is run through and is provided with the piston rod, the bottom of piston rod runs through to the bottom of fly leaf and fixedly connected with piston plate, the equal fixedly connected with second permanent magnet in both sides at piston plate top, the bottom fixedly connected with buffer box of cylinder body inner chamber, the equal fixedly connected with casing in both sides of buffer box inner chamber bottom, the bottom fixedly connected with first spring of casing inner chamber, the top fixedly connected with limiting plate of first spring, the top fixedly connected with limiting rod of limiting plate, the one end that the limiting plate was kept away from to the top of casing and fixedly connected with lifter plate, fixedly connected with piston rod between the both sides of lifter plate inner chamber, the surface cover of slide bar is equipped with the top fixedly connected with pillar of two springs, the top of the buffer box is kept away from between the bottom of two springs, the top fixedly connected with pillar of the buffer box.

Preferably, the both sides of lifter plate all fixedly connected with slider, the spout that cooperation slider used has been seted up to the inner wall of buffer box.

Preferably, the first openings are formed in two sides of the top of the buffer box, and the second openings are formed in the bottom of the lifting plate.

Preferably, two ends of the second spring are fixedly connected with the sliding sleeve and the inner wall of the lifting plate respectively, and the bottom of the elastic plate is in contact with the bottom of the inner cavity of the buffer box.

Preferably, the bottoms of the two sides of the cylinder body are fixedly connected with mounting plates, and mounting holes are formed in the tops of the mounting plates.

Preferably, the bottom of the partition plate is provided with a first through hole, and the bottom of the movable plate is provided with a second through hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the hydraulic cylinder, the cylinder body, the cylinder cover, the sealing gasket, the partition plate, the telescopic rod, the movable plate, the first permanent magnet, the piston rod, the piston plate, the second permanent magnet, the buffer box, the shell, the first spring, the limiting plate, the limiting rod, the lifting plate, the sliding rod, the sliding sleeve, the second spring, the elastic plate, the support and the extrusion plate are matched for use, so that the problems that the hydraulic cylinder in the prior art does not have a multi-stage buffer structure, only can be used for simply buffering the hydraulic cylinder, the buffer effect is poor, the long-term use is inconvenient, the damage is easy to occur, and the practicability is low are solved.

2. According to the utility model, the lifting plate can be limited by arranging the sliding blocks and the sliding grooves so as to improve the stability of the lifting plate, the strut can be conveniently used by arranging the first opening, the elastic plate can be conveniently used by arranging the second opening, and the cylinder body can be conveniently fixed by arranging the mounting plate and the mounting holes.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a surge tank of the present utility model;

fig. 3 is a schematic cross-sectional view of the housing of the present utility model.

In the figure: 1. a cylinder; 2. a cylinder cover; 3. a sealing gasket; 4. a partition plate; 5. a telescopic rod; 6. a movable plate; 7. a first permanent magnet; 8. a piston rod; 9. a piston plate; 10. a second permanent magnet; 11. a buffer box; 12. a housing; 13. a first spring; 14. a limiting plate; 15. a limit rod; 16. a lifting plate; 17. a slide bar; 18. a sliding sleeve; 19. a second spring; 20. an elastic plate; 21. a support post; 22. and extruding the plate.

Description of the embodiments

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.

Referring to fig. 1-3, a multistage buffering structure for a hydraulic cylinder comprises a cylinder body 1, a cylinder cover 2 is arranged at the top of the cylinder body 1, a sealing gasket 3 is fixedly connected at the bottom of the cylinder cover 2, a partition plate 4 is fixedly connected between two sides of an inner cavity of the cylinder body 1, a telescopic rod 5 is fixedly connected at two sides of the bottom of the partition plate 4, a movable plate 6 is fixedly connected at the bottom of the telescopic rod 5, a first permanent magnet 7 is fixedly connected at two sides of the bottom of the movable plate 6, a piston rod 8 is arranged at the top of the cylinder cover 2 in a penetrating manner, the bottom of the piston rod 8 penetrates to the bottom of the movable plate 6 and is fixedly connected with a piston plate 9, a second permanent magnet 10 is fixedly connected at two sides of the top of the piston plate 9, a buffering box 11 is fixedly connected at two sides of the bottom of the inner cavity of the cylinder body 1, a shell 12 is fixedly connected at the bottom of the inner cavity of the buffering box 11, a first spring 13 is fixedly connected at the bottom of the inner cavity of the shell 12, the top end of the first spring 13 is fixedly connected with a limiting plate 14, the top of the limiting plate 14 is fixedly connected with a limiting rod 15, one end of the limiting rod 15, which is far away from the limiting plate 14, penetrates through the top of the shell 12 and is fixedly connected with a lifting plate 16, sliding rods 17 are fixedly connected between two sides of an inner cavity of the lifting plate 16, sliding sleeves 18 and second springs 19 are respectively sleeved on the surfaces of the sliding rods 17, elastic plates 20 are movably connected between the bottoms of the two sliding sleeves 18, struts 21 are fixedly connected to two sides of the top of the lifting plate 16, one end of the struts 21, which is far away from the lifting plate 16, penetrates through the top of the buffer box 11 and is fixedly connected with an extrusion plate 22, two sides of the lifting plate 16 are fixedly connected with sliding blocks, sliding grooves matched with the sliding blocks are formed in the inner wall of the buffer box 11, first openings are formed in two sides of the top of the buffer box 11, second openings are formed in the bottom of the lifting plate 16, the both ends of second spring 19 respectively with sliding sleeve 18 and the inner wall fixed connection of lifter plate 16, the bottom of elastic plate 20 and the bottom contact of buffer box 11 inner chamber, the equal fixedly connected with mounting panel in bottom of cylinder body 1 both sides, the mounting hole has been seted up at the top of mounting panel, first through-hole has been seted up to the bottom of baffle 4, the second through-hole has been seted up to the bottom of fly leaf 6, through setting up slider and spout, can spacing lifter plate 16, so as to improve lifter plate 16's stability, through setting up first opening, can make things convenient for the use of pillar 21, through setting up the second opening, can make things convenient for the use of elastic plate 20, through setting up mounting panel and mounting hole, can be convenient for fix cylinder body 1, through cylinder body 1, cylinder cap 2, sealing gasket 3, the baffle 4, telescopic link 5, fly leaf 6, first permanent magnet 7, piston rod 8, piston plate 9, second permanent magnet 10, buffer box 11, casing 12, first spring 13, limiting plate 14, limiting rod 15, lifter plate 16, slider 17, 18, second spring 19, elastic plate 20, pillar 21 and stripper plate 22's cooperation use, the hydraulic cylinder has not had the poor practicality that the hydraulic cylinder has been solved, the problem that the hydraulic cylinder has not easily damaged, the hydraulic cylinder has only been easy to use, the hydraulic cylinder has been bad to the hydraulic cylinder has been solved, the problem has been bad to the hydraulic cylinder has been easy to the problem to be damaged to the hydraulic cylinder has only to the hydraulic cylinder has had the hydraulic cylinder to the hydraulic cylinder has had the problem to the problem.

When the hydraulic cylinder is used, after the piston rod 8 drives the piston plate 9 to move downwards to extrude the extruding plate 22, the extruding plate 22 drives the supporting column 21 to move, the supporting column 21 drives the lifting plate 16 to move, the lifting plate 16 compresses the first spring 13 through the cooperation of the limiting rod 15 and the limiting plate 14, meanwhile, the lifting plate 16 drives the sliding rod 17 and the sliding sleeve 18 to extrude the elastic plate 20, the elastic plate 20 is extruded to deform and then drive the sliding sleeve 18 to move towards the opposite side, the sliding sleeve 18 compresses the second spring 19, when the piston plate 9 moves upwards, the second permanent magnet 10 is driven to move, the second permanent magnet 10 extrudes the movable plate 6 through the cooperation of the first permanent magnet 7, and the movable plate 6 compresses the telescopic rod 5 after being extruded, so that the hydraulic cylinder is effectively protected through multistage buffering.

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 (6)

1. The utility model provides a multistage buffer structure for hydraulic cylinder, includes cylinder body (1), its characterized in that: the top of cylinder body (1) is provided with cylinder cap (2), the bottom fixedly connected with mat seal (3) of cylinder cap (2), fixedly connected with baffle (4) between the both sides of cylinder body (1) inner chamber, the equal fixedly connected with telescopic link (5) in both sides of baffle (4) bottom, the bottom fixedly connected with fly leaf (6) of telescopic link (5), the equal fixedly connected with first permanent magnet (7) in both sides of fly leaf (6) bottom, the top of cylinder cap (2) runs through and is provided with piston rod (8), the bottom of piston rod (8) runs through to the bottom of fly leaf (6) and fixedly connected with piston plate (9), the equal fixedly connected with second permanent magnet (10) in both sides at piston plate (9) top, the bottom fixedly connected with buffer box (11) of cylinder body (1) inner chamber, the equal fixedly connected with casing (12) in both sides of buffer box (11) inner chamber bottom, the bottom fixedly connected with first spring (13) of casing (12) inner chamber, the top fixedly connected with plate (14) of first spring (13), limiting plate (14) is kept away from top fixedly connected with limiting plate (16) and limiting plate (14), fixedly connected with slide bar (17) between the both sides of lifter plate (16) inner chamber, the surface of slide bar (17) is overlapped respectively and is equipped with sliding sleeve (18) and second spring (19), swing joint has elastic plate (20) between the bottom of two sliding sleeves (18), equal fixedly connected with pillar (21) in both sides at lifter plate (16) top, the one end that lifter plate (16) was kept away from to pillar (21) runs through to the top of buffer box (11) and fixedly connected with stripper plate (22).

2. The multistage buffering structure for a hydraulic cylinder according to claim 1, characterized in that: both sides of lifter plate (16) all fixedly connected with slider, the spout that cooperation slider used has been seted up to the inner wall of buffer box (11).

3. The multistage buffering structure for a hydraulic cylinder according to claim 1, characterized in that: the two sides of the top of the buffer box (11) are provided with first openings, and the bottom of the lifting plate (16) is provided with second openings.

4. The multistage buffering structure for a hydraulic cylinder according to claim 1, characterized in that: the two ends of the second spring (19) are fixedly connected with the sliding sleeve (18) and the inner wall of the lifting plate (16) respectively, and the bottom of the elastic plate (20) is contacted with the bottom of the inner cavity of the buffer box (11).

5. The multistage buffering structure for a hydraulic cylinder according to claim 1, characterized in that: the bottoms of the two sides of the cylinder body (1) are fixedly connected with mounting plates, and mounting holes are formed in the tops of the mounting plates.

6. The multistage buffering structure for a hydraulic cylinder according to claim 1, characterized in that: the bottom of the partition plate (4) is provided with a first through hole, and the bottom of the movable plate (6) is provided with a second through hole.