CN216343151U

CN216343151U - Piston rod structure based on hydraulic oil cylinder

Info

Publication number: CN216343151U
Application number: CN202122789152.2U
Authority: CN
Inventors: 贺冠军; 林宏柱
Original assignee: Shaoguan Guanhua Machinery Co ltd
Current assignee: Shaoguan Guanhua Machinery Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-19
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a piston rod structure based on a hydraulic oil cylinder in the technical field of hydraulic oil cylinders, which comprises a shell and a rod sleeve, wherein one end of the shell is provided with the rod sleeve, the rod sleeve is fixedly connected with the shell, one side of the rod sleeve is provided with a rear end cover, the rear end cover and the rod sleeve are fixedly clamped, one side of the rear end cover is provided with a fixed rod, the fixed rod is fixedly connected with the rear end cover, the outer wall of the rod sleeve is embedded with a fixed groove, a spring is arranged inside the fixed groove, the spring is fixedly connected with the fixed groove, through the arranged fixed rod, when the rear end cover needs to be fixed, the fixed rod is inserted into the inside of the fixed groove, the spring is compressed at the same time, when the rear end cover is moved to a proper position, the rear end cover is rotated to clamp the fixed rod and the fixed groove, the rear end cover is fixed, when the rear end cover is disassembled, the fixed rod can be popped out of the fixed groove under the rebound force of the spring, and the disassembly can be completed, the operation is simple and convenient, and convenience is provided for the disassembly and the assembly of the rear end cover.

Description

Piston rod structure based on hydraulic oil cylinder

Technical Field

The utility model belongs to the technical field of hydraulic oil cylinders, and particularly relates to a piston rod structure based on a hydraulic oil cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.

The existing piston rod structure of the hydraulic oil cylinder has partial defects, most of the existing piston rod structures are troublesome when the rear end cover is fixed, a plurality of screws are needed to fix the existing piston rod structure, the disassembly and the assembly are time-consuming and labor-consuming, great troubles are brought to users, and therefore the piston rod structure based on the hydraulic oil cylinder is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a piston rod structure based on a hydraulic oil cylinder, and aims to solve the problems that the existing piston rod structure of the hydraulic oil cylinder in the background technology has partial defects, most of the defects are troublesome when a rear end cover is fixed, a plurality of screws are needed to fix the rear end cover, the assembly and disassembly are time-consuming and labor-consuming, and great troubles are brought to a user.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a piston rod structure based on hydraulic cylinder, includes casing and rod cover, the one end of casing is equipped with the rod cover, rod cover and casing fixed connection, one side of rod cover is equipped with the rear end cap, rear end cap and rod cover are fixed through the block, one side of rear end cap is equipped with the dead lever, dead lever and rear end cap fixed connection, the outer wall of rod cover inlays and is equipped with the fixed slot, the inside of fixed slot is equipped with the spring, spring and fixed slot fixed connection.

Preferably, one side of the rear end cover is provided with a convex block, one side of the rod sleeve is provided with a groove, and the convex block and the groove are fixed through clamping.

Preferably, the inside of rod cover is equipped with the piston rod body, piston rod body and rod cover are fixed through alternate, the inner wall of rod cover is equipped with first sealing washer.

Preferably, a piston is arranged at one end of the piston rod body and fixedly connected with the piston rod body, and a second sealing ring is sleeved on the surface of the piston.

Preferably, one side of the shell is provided with an oil inlet pipe, the oil inlet pipe is fixedly connected with the shell, and one end of the oil inlet pipe is provided with an oil return pipe.

Preferably, one side of the piston is provided with an inserted bar, one end of the shell is provided with a front end cover, and the inserted bar and the front end cover are fixed through insertion.

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

1. through the dead lever that is equipped with, when needs fix the rear end cap, insert the inside of fixed slot with the dead lever, compress the spring simultaneously, when removing to suitable position, rotate the rear end cap, make dead lever and fixed slot block, accomplish the fixed of rear end cap, when dismantling, only need the antiport rear end cap, the dead lever just can pop out the fixed slot under the bounce of spring, alright completion is dismantled, easy operation is convenient, facilitate for the dismouting of this rear end cap, the piston rod structure of having solved current hydraulic cylinder still has partial defect, it is comparatively troublesome when fixing the rear end cap mostly, it fixes to it to need a plurality of screws, the dismouting is wasted time and energy, the problem of very big puzzlement has been brought for the user.

2. Through the lug that is equipped with, when installing the rear end cap, insert the inside of recess with the lug, not only can play the effect of direction, still can make the rear end cap more stable after the installation is accomplished simultaneously, the piston is when removing, the inserted bar is at the inside removal of front end cap, thereby can fix a position the piston, make it more stable when removing, the deviation is difficult to appear, the life of this equipment has been improved, through piston and the second sealing washer that is equipped with, sealing between piston and the casing has been realized, thereby it is more stable when the casing slides to make it, and the performance of pneumatic cylinder is better.

Drawings

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

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

FIG. 3 is a schematic view of the split structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a rod sleeve; 3. a rear end cap; 4. fixing the rod; 5. fixing grooves; 6. a spring; 7. a bump; 8. a groove; 9. a piston rod body; 10. a first seal ring; 11. a piston; 12. a second seal ring; 13. an oil inlet pipe; 14. an oil return pipe; 15. inserting a rod; 16. a front end cap.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a piston rod structure based on hydraulic cylinder, including casing 1 and rod cover 2, the one end of casing 1 is equipped with rod cover 2,

rod cover

2 and 1 fixed connection of casing, one side of rod cover 2 is equipped with rear end cap 3, rear end cap 3 and rod cover 2 are fixed through the block, one side of rear end cap 3 is equipped with dead lever 4, dead lever 4 and 3 fixed connection of rear end cap, the outer wall of rod cover 2 inlays and is equipped with fixed slot 5, the inside of fixed slot 5 is equipped with spring 6,

spring

6 and 5 fixed connection of fixed slot.

In this embodiment, when needs are fixed rear end housing 3, insert the inside of fixed slot 5 with dead lever 4, compress spring 6 simultaneously, when removing to suitable position, rotate rear end housing 3, make dead lever 4 and fixed slot 5 block, accomplish rear end housing 3's fixed, when dismantling, only need reverse rotation rear end housing 3, dead lever 4 just can pop out fixed slot 5 under spring 6's bounce, alright completion dismantlement, easy operation is convenient, the dismouting for this rear end housing 3 provides convenience, the piston rod structure of having solved current hydraulic cylinder still has partial defect, it is comparatively troublesome mostly when fixing rear end housing 3, it fixes it to need a plurality of screws, the dismouting is time-consuming and energy-consuming, the problem of very big puzzlement has been brought for the user.

Specifically, one side of the rear end cover 3 is provided with a convex block 7, one side of the rod sleeve 2 is provided with a groove 8, and the convex block 7 and the groove 8 are fixed through clamping.

In this embodiment, through the lug 7 that is equipped with, when installing rear end cap 3, insert the inside of recess 8 with lug 7, not only can play the effect of direction, still can make rear end cap 3 more stable after the installation is accomplished simultaneously.

Specifically, the inside of rod cover 2 is equipped with piston rod body 9, and piston rod body 9 and rod cover 2 are fixed through alternate, and the inner wall of rod cover 2 is equipped with first sealing washer 10.

In this embodiment, during operation, piston rod body 9 slides in rod cover 2, through the first sealing washer 10 that is equipped with, can play sealed effect, avoids appearing the phenomenon of oil leak, has improved the security.

Specifically, one end of the piston rod body 9 is provided with a piston 11, the piston 11 is fixedly connected with the piston rod body 9, and a second sealing ring 12 is sleeved on the surface of the piston 11.

In this embodiment, the piston 11 and the second sealing ring 12 are provided to realize the sealing between the piston 11 and the housing 1, so that the sliding in the housing 1 is more stable, and the performance of the hydraulic cylinder is better.

Specifically, one side of the shell 1 is provided with an oil inlet pipe 13, the oil inlet pipe 13 is fixedly connected with the shell 1, and one end of the oil inlet pipe 13 is provided with an oil return pipe 14.

In this embodiment, during operation, hydraulic oil enters from the oil inlet pipe 13 to push the piston 11 to move inside the housing 1, and when the hydraulic cylinder moves to a suitable position, hydraulic oil enters from the oil return pipe 14 to move the piston 11 in the opposite direction, so that the hydraulic cylinder operates normally.

Specifically, an insertion rod 15 is arranged on one side of the piston 11, a front end cover 16 is arranged at one end of the housing 1, and the insertion rod 15 and the front end cover 16 are fixed in an inserting manner.

In this embodiment, when the piston 11 moves, the insertion rod 15 moves inside the front end cover 16, so that the piston 11 can be positioned, the movement is more stable, the deviation is not easy to occur, and the service life of the device is prolonged.

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. The utility model provides a piston rod structure based on hydraulic cylinder, includes casing (1) and rod cover (2), its characterized in that: the one end of casing (1) is equipped with rod cover (2), rod cover (2) and casing (1) fixed connection, one side of rod cover (2) is equipped with rear end cap (3), rear end cap (3) and rod cover (2) are fixed through the block, one side of rear end cap (3) is equipped with dead lever (4), dead lever (4) and rear end cap (3) fixed connection, the outer wall of rod cover (2) inlays and is equipped with fixed slot (5), the inside of fixed slot (5) is equipped with spring (6), spring (6) and fixed slot (5) fixed connection.

2. The piston rod structure based on the hydraulic oil cylinder as claimed in claim 1, wherein: one side of the rear end cover (3) is provided with a convex block (7), one side of the rod sleeve (2) is provided with a groove (8), and the convex block (7) and the groove (8) are fixed through clamping.

3. The piston rod structure based on the hydraulic oil cylinder as claimed in claim 1, wherein: the piston rod is characterized in that a piston rod body (9) is arranged inside the rod sleeve (2), the piston rod body (9) and the rod sleeve (2) are fixed through insertion, and a first sealing ring (10) is arranged on the inner wall of the rod sleeve (2).

4. A piston rod structure based on a hydraulic oil cylinder according to claim 3, characterized in that: one end of the piston rod body (9) is provided with a piston (11), the piston (11) is fixedly connected with the piston rod body (9), and a second sealing ring (12) is sleeved on the surface of the piston (11).

5. The piston rod structure based on the hydraulic oil cylinder as claimed in claim 1, wherein: one side of casing (1) is equipped with into oil pipe (13), advance oil pipe (13) and casing (1) fixed connection, the one end of advancing oil pipe (13) is equipped with back oil pipe (14).

6. A piston rod structure based on a hydraulic oil cylinder according to claim 4, characterized in that: one side of piston (11) is equipped with inserted bar (15), the one end of casing (1) is equipped with front end housing (16), inserted bar (15) and front end housing (16) are fixed through the interlude.