CN211852377U

CN211852377U - Hydraulic cylinder with buffering guard action

Info

Publication number: CN211852377U
Application number: CN201922117060.2U
Authority: CN
Inventors: 沈志强
Original assignee: Wuxi Shenjia Hydraulic Technology Co ltd
Current assignee: Wuxi Shenjia Hydraulic Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-11-03
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a hydraulic cylinder with buffering guard action, the hydraulic cylinder comprises a cylinder, cylinder right side fixed mounting has the cylinder bottom, the cylinder bottom upper surface has been seted up and has been left, cylinder left side fixedly connected with uide bushing, the inlet hole has been seted up to the uide bushing upper surface, uide bushing left end movable mounting has the piston rod, uide bushing right-hand member fixed mounting has the buffering ring piece, piston rod left end fixed mounting has the cylinder head, piston rod right-hand member fixed mounting has the piston body. This hydraulic cylinder with buffering guard action, through setting up first spring and second spring, can be through the elastic deformation of spring and store the elastic energy, go forward the during operation at the system and play good cushioning effect to workplace and piston body, greatly increased work efficiency through setting up buffering ring piece and buffer spacer, through the good buffering efficiency of buffer piece, retreats the during operation at the system and plays good cushioning effect, reinforcing practicality to piston body and workplace, simultaneously.

Description

Hydraulic cylinder with buffering guard action

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a hydraulic cylinder with buffering guard action.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, has simple structure and reliable work, can omit a speed reducer when the hydraulic cylinder is used for realizing the reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to various mechanical hydraulic systems, 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 has various structural forms and various classification methods, and can be divided into a linear reciprocating motion type and a rotary swinging type according to the motion mode; the hydraulic pressure can be divided into a single-acting type and a double-acting type according to the action condition of the hydraulic pressure; according to the structural form, the device can be divided into a piston type, a plunger type, a multi-stage telescopic sleeve type, a rack and pinion type and the like; the device can be divided into a pull rod, an earring, a bottom foot, a hinge shaft and the like according to the installation form.

But current hydraulic cylinder often is not provided with buffering protection device, or buffering protection device is comparatively crude, can't effectively cushion hydraulic cylinder normal during operation's effort, not only causes hydraulic cylinder to take place to damage easily, and work efficiency is lower moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic cylinder with buffering guard action to propose current hydraulic cylinder in solving above-mentioned background art, often not be provided with buffering protection device, or buffering protection device is comparatively crude, can't effectively cushion hydraulic cylinder normal during operation's effort, not only cause hydraulic cylinder to take place to damage easily, the lower problem of work efficiency moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic cylinder with buffering guard action, includes the cylinder, cylinder right side fixed mounting has the cylinder bottom, the hole has been seted up to cylinder bottom upper surface, cylinder left side fixedly connected with uide bushing, the inlet hole has been seted up to the uide bushing upper surface, uide bushing left end movable mounting has the piston rod, uide bushing right-hand member fixed mounting has the buffering ring piece, piston rod left end fixed mounting has the cylinder head, piston rod right-hand member fixed mounting has the piston body.

Preferably, the fixed surface of the left side of the cylinder bottom is fixedly provided with a working barrel, the working barrel is symmetrically distributed about the center of the cylinder bottom and provided with a pair of working barrels, the cylinder bottom of the working barrel is fixedly provided with a first spring, the left end of the first spring is fixedly connected with a working rod, the other end of the working rod is fixedly connected with the right surface of the cylinder head, and the diameter of the working rod is smaller than the inner diameter of the working barrel.

Preferably, the diameter of the piston body is matched with the inner diameter of the cylinder barrel, the right end of the guide sleeve is located inside the cylinder barrel, the specification and the size of the right end of the guide sleeve are matched with those of the cylinder barrel, the outer diameter of the buffering ring piece is matched with that of the guide sleeve, and the inner diameter of the buffering ring piece is matched with that of the piston rod.

Preferably, the right end of the working rod is fixedly provided with a working sheet, the working sheet is fixedly connected with the first spring, the diameter of the working rod is smaller than that of the working sheet, and the right side of the opening of the working barrel is fixedly provided with a cushion ring.

Preferably, a second spring is fixedly mounted on the right surface of the cylinder head, the inner diameter of the second spring is larger than the diameter of the piston rod, the second spring sleeve is arranged on the outer side of the piston rod, and the right end of the second spring is fixedly connected with the left side of the guide sleeve.

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

1. according to the hydraulic oil cylinder with the buffer protection function, the first spring and the second spring are arranged, so that the elastic deformation and the elastic energy of the springs can be stored, the working piece and the piston body can be well buffered when the system works forwards, and the working efficiency is greatly increased;

2. this hydraulic cylinder with buffering guard action through setting up buffering ring piece and buffer spacer, can play good cushioning effect, reinforcing practicality to piston body and workplace through the good buffering efficiency of buffer piece, retreats the during operation at the system.

Drawings

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

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

fig. 3 is a schematic view of the piston rod structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the cylinder of the present invention;

fig. 5 is a schematic view of the internal structure of the working barrel of the present invention.

In the figure: 1. a cylinder barrel; 2. a cylinder bottom; 3. an outlet hole; 4. a guide sleeve; 5. entering a hole; 6. a piston rod; 7. a buffer ring sheet; 8. a cylinder head; 9. a piston body; 10. a working barrel; 11. a first spring; 12. a working lever; 13. a working sheet; 14. a cushion ring; 15. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-5, the present invention provides a technical solution: the utility model provides a hydraulic cylinder with buffering guard action, includes cylinder 1, 1 right side fixed mounting of cylinder has the

cylinder end

2, and 2 upper surfaces of cylinder end have been seted up and have been bored 3, 1 left side fixedly connected with uide bushing 4 of cylinder, and inlet 5 has been seted up to uide bushing 4 upper surface, and 4 left ends movable mounting of uide bushing have a

piston rod

6, and 4 right-hand members fixed mounting of uide bushing have buffering ring piece 7, and 6 left ends fixed mounting of piston rod have the

cylinder head

8, and 6 right-hand members fixed mounting of piston rod have piston body 9.

Further, 2 left side fixed surfaces of cylinder bottom have fixed mounting have a working barrel 10, a pair of is installed about 2 central point central symmetry distributions of cylinder bottom to working

barrel

10, 10 bobbin bottoms fixed mounting of working barrel have

first spring

11, 11 left ends fixedly connected with work bars 12 of first spring, the 12 other ends of work bars are connected with 8 right side fixed surfaces of cylinder head, and 12 diameter sizes of work bars are less than 10 internal diameter sizes of working barrel, thereby can play whole cushioning effect through work bars 12, the interact between working barrel 10 and the first spring 11.

Further, 9 diameter of piston body and 1 internal diameter size looks adaptations of cylinder, 4 right-hand members of uide bushing are located inside 1 cylinder, and 4 right-hand members of uide bushing specification and 1 specification size looks adaptations of cylinder, 7 external diameter sizes of buffering ring piece and 4 diameter size looks adaptations of uide bushing, and 7 internal diameter sizes of buffering ring piece and 6 diameter size looks adaptations of piston rod, when piston body 9 carries out reciprocating periodic motion, the buffering ring piece 7 that is located 4 right-hand members of uide bushing can play the cushioning effect to piston body 9 when piston body 9 returns.

Further, a working sheet 13 is fixedly installed at the right end of the working rod 12, the working sheet 13 is fixedly connected with the first spring 11, the diameter size of the working rod 12 is smaller than that of the working sheet 13, a cushion ring 14 is fixedly installed on the right side of the opening of the working barrel 10, and the cushion ring 14 can play a role in buffering the working sheet 13 when the working rod 12 drives the working sheet 13 to return.

Further, a second spring 15 is fixedly mounted on the right surface of the cylinder head 8, the inner diameter of the second spring 15 is larger than the diameter of the piston rod 6, the second spring 15 is sleeved on the outer side of the piston rod 6, the right end of the second spring 15 is fixedly connected with the left side of the guide sleeve 4, and the second spring 15 can play a role in buffering the cylinder head 8 when the piston rod 6 moves forwards in a reciprocating periodic mode.

The working principle is as follows: when the hydraulic oil cylinder with the buffer protection function is required to work, the hydraulic oil cylinder is firstly installed, the working pipe is respectively connected into the inlet hole 5 and the outlet hole 3, the system starts to work after being connected, oil enters the system to start to apply acting force to the piston body 9, so that the piston rod 6 is driven to move forwards, the cylinder head 8 is driven to move, then, as the right end of the cylinder head 8 is fixedly provided with the second spring 15, and the right end of the second spring 15 is fixedly connected with the guide sleeve 4, in the process that the cylinder head 8 moves forwards, the second spring 15 starts to elastically deform after receiving the acting force applied by the cylinder head 8, stores deformation energy and gives the opposite acting force to the cylinder head 8, the buffer function can be realized on the movement potential of the cylinder head 8, and meanwhile, when the hydraulic oil cylinder works, the cylinder head 8 moves to drive the working rod 12 to move, working rod 12 right-hand member work piece 13 extrudes first spring 11 and makes first spring 11 take place elastic deformation, thereby play the cushioning effect to the motion of working rod 12, when cylinder head 8 is retreated backward, drive piston rod 6 and retreat backward, when piston rod 6 retreats, piston body 9 and 7 in close contact with of buffering ring piece, buffering ring piece 7 plays the cushioning effect to piston body 9 operating condition, buffering backing ring 14 plays the cushioning effect to the motion state backward of working piece 13 simultaneously, thereby play the cushioning effect to the whole, thereby reinforcing means practicality.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic cylinder with buffering guard action, includes the cylinder, its characterized in that: the cylinder comprises a cylinder barrel, a cylinder head, a cylinder barrel right side, a cylinder bottom, a hole, a guide sleeve, a piston rod, a buffer ring piece, a piston rod left end, a cylinder head and a piston body, wherein the cylinder bottom is fixedly mounted on the right side of the cylinder barrel, the hole is formed in the upper surface of the cylinder barrel left side, the hole is formed in the upper surface of the guide sleeve, the piston rod is movably mounted at the left end of the guide sleeve, the buffer ring piece is fixedly mounted at.

2. The hydraulic oil cylinder with the buffer protection function as claimed in claim 1, characterized in that: the cylinder bottom left side fixed surface installs fixed mounting has the working barrel, the working barrel installs a pair ofly about cylinder bottom central point central symmetry distribution, working barrel bottom fixed mounting has first spring, first spring left end fixedly connected with work bar, the work bar other end is connected with cylinder head right side fixed surface, and work bar diameter size is less than the working barrel internal diameter size.

3. The hydraulic oil cylinder with the buffer protection function as claimed in claim 1, characterized in that: the piston body diameter size is matched with the cylinder barrel inner diameter size, the right end of the guide sleeve is located inside the cylinder barrel, the specification size of the right end of the guide sleeve is matched with the specification size of the cylinder barrel, the outer diameter size of the buffering ring piece is matched with the diameter size of the guide sleeve, and the inner diameter size of the buffering ring piece is matched with the diameter size of the piston rod.

4. The hydraulic oil cylinder with the buffer protection function as claimed in claim 2, characterized in that: the right end of the working rod is fixedly provided with a working piece, the working piece is fixedly connected with the first spring, the diameter of the working rod is smaller than that of the working piece, and the right side of the opening of the working barrel is fixedly provided with a cushion ring.

5. The hydraulic oil cylinder with the buffer protection function as claimed in claim 1, characterized in that: the cylinder head right surface fixed mounting has the second spring, second spring internal diameter size is greater than piston rod diameter size, the piston rod outside is arranged in to the second spring sleeve, second spring right-hand member and uide bushing left side fixed connection.