CN216767934U

CN216767934U - Inert gas buffering hydraulic cylinder

Info

Publication number: CN216767934U
Application number: CN202123216634.5U
Authority: CN
Inventors: 王成
Original assignee: Mukun Shanghai Industrial Co ltd
Current assignee: Mukun Shanghai Industrial Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-17
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the technical field of hydraulic cylinders, in particular to an inert gas buffer hydraulic cylinder which comprises a cylinder body, a cylinder cover, an output rod and a piston, the cylinder cover is fixedly arranged at the top of the cylinder body, a first through hole is arranged on the cylinder cover, the output rod is arranged in the first through hole in a penetrating way, the piston is fixedly arranged at the bottom of the output rod, the piston is arranged in the cylinder body, the inner side wall of the cylinder body is fixedly provided with an installation plate, the top of the mounting plate is fixedly provided with a first spring, the top of the first spring is fixedly provided with a buffer plate, a secondary buffer mechanism is arranged in the cylinder body, an extrusion block is fixedly arranged at the top of the piston, a groove is arranged on the cylinder cover, when the output rod and the piston ascend, the force of the piston can be buffered through the second spring, and when the output rod and the piston descend, the force of the piston can be buffered through the first spring and the secondary buffer mechanism.

Description

Inert gas buffering hydraulic cylinder

Technical Field

The utility model belongs to the technical field of hydraulic cylinders, and particularly relates to an inert gas buffer hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to various mechanical hydraulic systems, and the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the piston; the hydraulic cylinder basically comprises a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device, wherein the buffering device and the exhaust device are determined according to specific application occasions, and other devices are indispensable.

The existing hydraulic cylinder is convenient to use and helps people to work, but the existing hydraulic cylinder still has certain defects, on one hand, when an output rod and a piston on the existing hydraulic cylinder ascend or descend, the piston is easy to damage a cylinder cover and a cylinder body due to the fact that no buffer device exists, on the other hand, when the existing hydraulic cylinder is used, objects are generally directly jacked up, and the output rod is rigid when the objects are jacked up, and certain damage is easily caused to the objects.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an inert gas buffer hydraulic cylinder which is provided with a buffer device and a rubber pad, and solves the problems that the cylinder cover and the cylinder body are easily damaged by a piston due to the absence of the buffer device when an output rod and the piston on the existing hydraulic cylinder ascend or descend, and the object is generally directly jacked up when the existing hydraulic cylinder is used, and the object is easily damaged to a certain extent because the output rod is rigid when jacking up the object.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an inert gas buffer hydraulic cylinder comprises a cylinder body, a cylinder cover, an output rod and a piston;

the utility model discloses a cylinder cap, including cylinder body, cylinder cap, piston, mounting panel, cylinder cover, output rod, piston fixed mounting, piston, extrusion piece, recess, fixed mounting has the cylinder body, the cylinder cap fixed mounting be in the top of cylinder body, be provided with first through-hole on the cylinder cap, the output rod wears to establish in the first through-hole, piston fixed mounting be in the output rod bottom, just the piston sets up in the cylinder body, fixed mounting has the mounting panel on the inside wall of cylinder body, the top fixed mounting buffer board of mounting panel, the top fixed mounting buffer board of first spring, be provided with second grade buffer gear in the cylinder body, the top fixed mounting of piston has the extrusion piece, be provided with the recess on the cylinder cap, fixed mounting has the second spring on the inside wall of recess, the one end fixed mounting of second spring has the fly leaf, the top of output rod is provided with the rubber pad.

Preferably, second grade buffer gear includes linkage block, hinge bar, U template, pulley, spout, movable plate and shock attenuation gasbag, linkage block fixed mounting be in the bottom of buffer board, be provided with the second through-hole on the mounting panel, the one end of linkage block is worn to establish in the second through-hole.

By adopting the scheme, when the output rod and the piston ascend, the force of the piston can be buffered through the second spring, and when the output rod and the piston descend, the force of the piston can be buffered through the first spring and the secondary buffer mechanism.

Preferably, the hinge rod is hinged to the bottom of the linkage block, the U-shaped plate is hinged to one end of the hinge rod, and the pulley is rotatably installed on the inner side wall of the U-shaped plate through a rotating shaft.

Through adopting above-mentioned scheme, when the one end of hinge bar descends, the accessible pulley drives the U template and removes, has consequently made things convenient for the use of U template.

Preferably, the spout sets up on the inside wall of cylinder body bottom, the pulley sets up in the spout, the movable plate fixed mounting be in one side of U template, shock attenuation gasbag fixed mounting be in on the inside wall of cylinder body.

Through adopting above-mentioned scheme, the spout has made things convenient for the pulley to slide, when the U template is removing through the pulley, can drive the movable plate and remove, and the movable plate removes a section distance, can extrude the shock attenuation gasbag.

Preferably, the top cover of output rod is equipped with the lantern ring, be provided with arc fixed plate in the lantern ring, be provided with the screw hole on the lantern ring, threaded rod is worn to be equipped with in the screw hole, the one end rotation of threaded rod is installed on the arc fixed plate.

Through adopting above-mentioned scheme, made things convenient for the installation of threaded rod through the lantern ring, can successfully move the arc fixed plate and remove when the user rotates the threaded rod to accessible arc fixed plate can laminate on the output pole, and then alright completion is fixed.

Preferably, a third through hole is formed in the lantern ring, a stabilizer bar penetrates through the third through hole, one end of the stabilizer bar is fixedly installed on the outer side wall of the arc-shaped fixing plate, a circular plate is fixedly installed at the top of the lantern ring, and a rubber pad is fixedly installed at the top of the circular plate.

By adopting the scheme, the circular plate facilitates the installation of the rubber pad, when the output rod rises to jack up an object, the rubber pad can be contacted with the object firstly, the buffer protection effect can be achieved through the rubber pad, and the damage to the object is reduced.

(III) advantageous effects

Compared with the prior art, the utility model provides an inert gas buffer hydraulic cylinder, which has the following beneficial effects:

this inert gas buffering pneumatic cylinder, be provided with the second spring, first spring, second grade buffer gear and rubber pad, when output pole and piston go up, the accessible second spring cushions the power of piston, the guard action has been played, the damage to the cylinder cap has been reduced, can cushion through the power that first spring and second grade buffer gear can fill up when output pole and piston descend, the damage to the cylinder body has been reduced, when the output pole rises and pushes up the object, can play the buffering guard action through the rubber pad, and is simple and convenient.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

in the figure:

1. a cylinder body; 2. a cylinder cover; 3. an output rod; 4. a piston; 5. mounting a plate; 6. a first spring; 7. a buffer plate; 8. extruding the block; 9. a second spring; 10. a movable plate; 11. a rubber pad; 12. a linkage block; 13. a hinged lever; 14. a U-shaped plate; 15. a pulley; 16. a chute; 17. moving the plate; 18. a shock-absorbing air bag; 19. a collar; 20. an arc-shaped fixing plate; 21. a threaded rod; 22. a stabilizer bar; 23. a circular plate.

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.

Example one

An inert gas buffer hydraulic cylinder comprises a cylinder body 1, a cylinder cover 2, an output rod 3 and a piston 4;

2 fixed mounting of cylinder cap is in the top of cylinder body 1, be provided with first through-hole on the cylinder cap 2, the output rod 3 is worn to establish in the first through-hole, 4 fixed mounting of piston is in 3 bottoms of output rod, just piston 4 sets up in the cylinder body 1, fixed mounting has mounting panel 5 on the inside wall of cylinder body 1, the top fixed mounting of mounting panel 5 has first spring 6, the top fixed mounting buffer board 7 of first spring 6, be provided with secondary buffer mechanism in the cylinder body 1, the top fixed mounting of piston 4 has extrusion block 8, be provided with the recess on the cylinder cap 2, fixed mounting has second spring 9 on the inside wall of recess, the one end fixed mounting of second spring 9 has fly leaf 10, the top of output rod 3 is provided with rubber pad 11.

Second grade buffer gear includes linkage block 12, hinged joint pole 13, U template 14, pulley 15, spout 16, movable plate 17 and shock attenuation gasbag 18, linkage block 12 fixed mounting is in the bottom of buffer board 7, be provided with the second through-hole on the mounting panel 5, the one end of linkage block 12 is worn to establish in the second through-hole, hinged joint pole 13 articulates the bottom of linkage block 12, U template 14 articulates on one end of hinged joint pole 13, pulley 15 passes through the axis of rotation and installs on the inside wall of U template 14, spout 16 sets up on the inside wall of cylinder body 1 bottom, pulley 15 sets up in the

spout

16, 17 fixed mounting be in one side of U template 14, shock attenuation gasbag 18 fixed mounting be in on the inside wall of cylinder body 1.

Referring to fig. 1-4, a user can firstly lift the output rod 3 and the piston 4, when the output rod 3 and the piston 4 lift a certain distance, the extrusion block 8 can extrude the movable plate 10 and the second spring 9 inside the groove, the force of the piston 4 can be buffered through the second spring 9, a protection effect is achieved, damage to the cylinder cover 2 is reduced, when the output rod 3 drives the piston 4 to descend, the piston 4 can extrude the buffer plate 7 and the first spring 6, at the moment, the force of the piston 4 can be buffered through the first spring 6, when the buffer plate 7 is extruded by the piston 4, the linkage plate can descend, when the linkage plate descends, one end of the hinged rod 13 can be moved, so that one end of the hinged rod 13 can drive the U-shaped plate 14 and the movable plate 17 to move through the pulley 15, the chute 16 facilitates the pulley 15 to move, when the movable plate 17 moves a certain distance, the damping airbag 18 can be extruded, at the moment, a secondary buffering effect can be realized, and the damage of the piston 4 to the cylinder body 1 is reduced.

Example two

The top cover of output rod 3 is equipped with lantern ring 19, be provided with arc fixed plate 20 in the lantern ring 19, be provided with the screw hole on the lantern ring 19, threaded rod 21 wears to be equipped with in the screw hole, the one end of threaded rod 21 is rotated and is installed on arc fixed plate 20, be provided with the third through-hole on the lantern ring 19, wear to be equipped with stabilizer bar 22 in the third through-hole, the one end fixed mounting of stabilizer bar 22 is in on arc fixed plate 20's the lateral wall, the top fixed mounting of the lantern ring 19 has plectane 23, rubber pad 11 fixed mounting be in the top of plectane 23.

Referring to fig. 1-4, when needing to jack up the object through output pole 3, the user can overlap lantern ring 19 on one end of output pole 3 earlier, user's rotatable threaded rod 21 can follow this, because the one end of threaded rod 21 is rotated with arc fixed plate 20 and is connected, can drive arc mounting panel 5 and stabilizer bar 22 and remove when threaded rod 21 rotates, thereby can make arc mounting panel 5 laminate on the lateral wall of output pole 3, and then alright completion is fixed, when output pole 3 rises with the object jack-up, can make rubber pad 11 and object contact earlier, can play the buffering guard action through rubber pad 11, reduced the damage to the object.

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. An inert gas cushion hydraulic cylinder, characterized by: comprises a cylinder body (1), a cylinder cover (2), an output rod (3) and a piston (4);

the cylinder cover (2) is fixedly arranged at the top of the cylinder body (1), a first through hole is formed in the cylinder cover (2), the output rod (3) is arranged in the first through hole in a penetrating manner, the piston (4) is fixedly arranged at the bottom of the output rod (3), the piston (4) is arranged in the cylinder body (1), a mounting plate (5) is fixedly arranged on the inner side wall of the cylinder body (1), a first spring (6) is fixedly arranged at the top of the mounting plate (5), a buffer plate (7) is fixedly arranged at the top of the first spring (6), a secondary buffer mechanism is arranged in the cylinder body (1), an extrusion block (8) is fixedly arranged at the top of the piston (4), a groove is formed in the cylinder cover (2), a second spring (9) is fixedly arranged on the inner side wall of the groove, a movable plate (10) is fixedly arranged at one end of the second spring (9), the top of the output rod (3) is provided with a rubber pad (11).

2. An inert gas cushion cylinder as claimed in claim 1, wherein: second grade buffer gear includes linkage block (12), hinge bar (13), U template (14), pulley (15), spout (16), movable plate (17) and shock attenuation gasbag (18), linkage block (12) fixed mounting be in the bottom of buffer board (7), be provided with the second through-hole on mounting panel (5), the one end of linkage block (12) is worn to establish in the second through-hole.

3. An inert gas cushion cylinder as in claim 2 wherein: articulated pole (13) articulate the bottom of linkage piece (12), U template (14) articulate one of articulated pole (13) is served, pulley (15) are installed through the axis of rotation on the inside wall of U template (14).

4. An inert gas cushion cylinder as in claim 3 wherein: spout (16) set up on the inside wall of cylinder body (1) bottom, pulley (15) set up in spout (16), movable plate (17) fixed mounting be in one side of U template (14), shock attenuation gasbag (18) fixed mounting be in on the inside wall of cylinder body (1).

5. An inert gas cushion cylinder as in claim 1, wherein: the top cover of output rod (3) is equipped with lantern ring (19), be provided with arc fixed plate (20) in the lantern ring (19), be provided with the screw hole on the lantern ring (19), threaded rod (21) are worn to be equipped with in the screw hole, the one end rotation of threaded rod (21) is installed arc fixed plate (20) are last.

6. An inert gas cushion cylinder as in claim 5 wherein: be provided with the third through-hole on the lantern ring (19), wear to be equipped with stabilizer bar (22) in the third through-hole, the one end fixed mounting of stabilizer bar (22) on the lateral wall of arc fixed plate (20), the top fixed mounting of the lantern ring (19) has plectane (23), rubber pad (11) fixed mounting be in the top of plectane (23).