CN212337775U

CN212337775U - High-pressure oil cylinder rotating shaft

Info

Publication number: CN212337775U
Application number: CN202020985151.8U
Authority: CN
Inventors: 孙志强; 胡兆明; 陈志通; 孙斌
Original assignee: CHANGZHOU SHUANGQIANG MACHINERY MANUFACTURING CO LTD
Current assignee: CHANGZHOU SHUANGQIANG MACHINERY MANUFACTURING CO LTD
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-01-12
Anticipated expiration: 2030-06-02

Abstract

The utility model belongs to the technical field of mechanical equipment, concretely relates to high-pressure oil cylinder pivot. The utility model comprises a flange body with a piston rod through hole arranged at the central position and two symmetrically arranged rotating shaft connectors fixed on the outer wall of the flange body; at least three rotating shaft grooves are formed in the inner wall of the flange body, and elastic jacking mechanisms are installed in the rotating shaft grooves; elasticity top tight mechanism includes: one side of the frame body is provided with an open-ended square-shaped frame body, a sliding block is slidably mounted in the square-shaped frame body, a sliding block spring is mounted between one side of the sliding block and the inner wall of the square-shaped frame body, a guide post is fixedly mounted on the other side of the sliding block, the guide post extends out of the open-ended square-shaped frame body, and the end of the guide post is rotatably connected with a ball. The utility model discloses and be difficult not hard up between the cylinder body, it is quick detachable. The ball contacts the piston rod, so that the piston rod is prevented from directly contacting the inner wall of the flange body of the high-pressure oil cylinder rotating shaft, the friction force between the piston rod and the flange body is effectively reduced, and the service life of the high-pressure oil cylinder rotating shaft and the piston rod is prolonged.

Description

High-pressure oil cylinder rotating shaft

Technical Field

The utility model belongs to the technical field of mechanical equipment, concretely relates to high-pressure oil cylinder pivot.

Background

When the high-pressure oil cylinder is used, the oil cylinder needs to rotate or adjust a certain angle to adapt to different use environments, and at the moment, a rotating shaft which can drive the high-pressure oil cylinder to rotate needs to be installed on the high-pressure oil cylinder. The rotating shaft of the high-pressure oil cylinder in the existing market is generally fixedly connected to the oil cylinder through threads, but the rotating shaft of the high-pressure oil cylinder is easy to loosen in the rotating process of the high-pressure oil cylinder in a threaded connection mode, so that the rotating shaft of the high-pressure oil cylinder and the oil cylinder move relatively, the relative displacement between the rotating shaft and the piston rod is increased, the friction force between the rotating shaft and the piston rod is increased, and the service life of the rotating shaft and the piston rod is shortened due to. And the piston rod directly passes through the piston rod through hole in the center of the oil cylinder rotating shaft, and the piston rod is directly contacted with the high-pressure oil cylinder rotating shaft, so that the requirement on the wear resistance of the piston rod material and the high-pressure oil cylinder rotating shaft material is high.

In the prior art, the rotating shaft of the high-pressure oil cylinder and the oil cylinder can be connected in a gluing mode, and after the connecting mode, the problem that the rotating shaft of the high-pressure oil cylinder and the oil cylinder are not easy to disassemble exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the great defect of frictional force that is difficult to dismantle and forms between piston rod and the high-pressure cylinder pivot in the connection between high-pressure cylinder pivot and the hydro-cylinder that exists among the prior art, providing a quick detachable and can not form a high-pressure cylinder pivot of great frictional force between hydro-cylinder pivot and piston rod.

The utility model provides a technical scheme that its technical problem adopted is: a high-pressure oil cylinder rotating shaft comprises a flange body and two symmetrically arranged rotating shaft connecting bodies, wherein a piston rod through hole is formed in the center of the flange body; the inner wall of the flange body is provided with at least three rotating shaft grooves, and elastic jacking mechanisms are arranged in the rotating shaft grooves; the tight mechanism in elasticity top includes: the novel square-shaped steel wire drawing machine is characterized in that an open square-shaped frame body is arranged on one side of the square-shaped frame body, a sliding block is slidably mounted inside the square-shaped frame body, a sliding block spring is mounted between one side of the sliding block and the inner wall of the square-shaped frame body, a guide post is fixedly mounted on the other side of the sliding block, the guide post extends out of the opening of the square-shaped frame body, and the end portion of the guide post is.

Furthermore, a spring groove is formed in the center of the guide post, a ball is arranged in the spring groove, two ends of a ball spring are respectively tightly propped against the sliding block and the ball, and the part of the ball after being tightly propped by the ball spring is exposed out of the end of the guide post.

Further, the guide posts are glued to the slide block.

Furthermore, one side of the flange body is provided with a threaded connector in threaded connection with the inner wall of the cylinder body of the oil cylinder, at least two threaded holes are formed in the flange body, and a bolt penetrates through the threaded holes in the flange body to be fixedly connected with the end face of the cylinder body of the oil cylinder.

Further, the rotating shaft connector is a cylinder or a square.

Furthermore, a gasket for stabilizing the bolt is arranged on the flange body.

Furthermore, the flange body, the rotating shaft connector and the threaded connector are made of steel.

The utility model discloses a beneficial effect of high-pressure cylinder pivot is:

1. the utility model discloses a high-pressure cylinder pivot simple structure, easy installation, and the relative position who utilizes further fixed high-pressure cylinder pivot of bolt and hydro-cylinder is difficult not hard up in the use, dismantles easily again, can only change partly, reduces the input of cost, resources are saved.

2. The utility model discloses utilize elasticity top tight mechanism, come the relative position between fixed piston rod and the high-pressure cylinder pivot, through the ball contact piston rod in the tight mechanism in elasticity top moreover, avoided the inner wall of piston rod direct contact high-pressure cylinder pivot, the effectual frictional force that has reduced between the two to the life of extension high-pressure cylinder pivot and piston rod.

3. The utility model discloses tight mechanism in elasticity top adopts back the shape framework, makes things convenient for the installation and the simple structure of slider and slider spring.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a top view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention in a top view;

fig. 3 is a schematic structural view of an elastic pressing mechanism according to an embodiment of the present invention;

fig. 4 is a sectional view in a front view of an embodiment of the present invention;

fig. 5 is a sectional view of the embodiment of the present invention installed on the cylinder body.

In the figure: 1. piston rod through hole, 2, flange body, 3, pivot connector, 4, pivot recess, 5, elasticity puller mechanism, 50, time frame body, 51, slider spring, 52, ball, 53, slider, 54, guide post, 55, spring groove, 56, ball spring, 6, screw hole, 7, gasket, 9, piston rod, 10, piston, 11, cylinder body, 12, threaded connection body.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Fig. 1-5 show a specific embodiment of a high-pressure oil cylinder rotating shaft of the present invention, which is used to rotatably connect an oil cylinder to other components or frame bodies, and includes a flange body 2 with a piston rod through hole 1 at a central position and two symmetrically arranged rotating shaft connectors 3 fixed on the outer wall of the flange body 2; at least three rotating shaft grooves 4 are formed in the inner wall of the flange body 2, and elastic jacking mechanisms 5 are installed in the rotating shaft grooves 4; the elastic tightening mechanism 5 includes: one side has the open-ended rectangular frame body 50, and the inside slidable mounting of rectangular frame body 50 has slider 53, and install slider spring 51 between slider 53 one side and the inner wall of rectangular frame body 50, the other side fixed mounting of slider 53 has guide post 54, and guide post 54 stretches out and its tip is connected with ball 52 from rectangular frame body 50's opening is rotated. The embodiment of the utility model provides an in 2 inner walls of flange body have been seted up 6 pivot recesses 4, one side have with the cylinder body inner wall threaded connection's of hydro-cylinder threaded connection body 12, and be provided with two at least screw holes 6 on the flange body 2, the bolt passes screw hole 6 on the flange body 2 and the terminal surface fixed connection of the cylinder body of hydro-cylinder. The embodiment of the utility model provides an in the flange body 2 go up circular array and be provided with 8 screw holes 6, the threaded connection body 12 of flange body 2 lower extreme and the 11 fixed connection of cylinder body of high-pressure hydro-cylinder are passed through in the high-pressure hydro-cylinder pivot, for preventing not hard up, through the screw hole 6 that is used for flange body 2 upper end, further stabilize on the cylinder body 11 of high-pressure hydro-cylinder, be provided with gasket 7 between bolt and the flange body 2, a relative position for between bolt and the flange body 2 stabilizes, and only need when needing to change cylinder body 11 the bolt can, convenient dismantlement and installation, and the structure is fairly simple.

The flange body 2, the rotating shaft connector 3 and the threaded connector 12 shown in fig. 1 are integrally designed, and are made of steel materials, so that the forging difficulty can be effectively reduced, wherein the flange body 2 is of a square structure with a chamfer, and the rotating shaft connector 3 is of a cylinder or a square body.

The guide post 54 is provided with a spring groove 55 at the center, a ball 52 is arranged in the spring groove 55, two ends of a ball spring 56 are respectively pressed against the slider 53 and the ball 52, and the part of the ball 52 pressed by the ball spring 56 is exposed from the end of the guide post 54. The balls 52 can roll on the ends of the guide posts 54 under the combined action of the ball springs 56 and the guide posts 54. The square frame 50 is arranged in the rotating shaft groove 4 on the inner wall of the flange body 2, and the slide block 53 fixed on the slide block spring 51 slides in the square frame 50 by utilizing the elasticity of the slide block spring 51, so that the tight jacking between the rotating shaft of the high-pressure oil cylinder and the piston rod 9 is realized. The guide posts 54 are fixed and adhered to the slider 53 by adhesive, and the guide posts 54 are prevented from falling off. The elasticity of the ball spring 56 is smaller than that of the spring 51 of the slider 53. The utility model discloses utilize elasticity top tight mechanism 5, come the relative position between fixed piston rod 9 and the high-pressure cylinder pivot, through the ball contact piston rod 9 in elasticity top tight mechanism 5 moreover, avoided the inner wall of piston rod 9 direct contact high-pressure cylinder pivot, the effectual frictional force that has reduced between the two to prolong high-pressure cylinder pivot and piston rod 9's life.

In the using process, the high-pressure oil cylinder is connected to the cylinder body 11 of the high-pressure oil cylinder through the threaded connector 12, the rotating shaft of the high-pressure oil cylinder is further fixed on the cylinder body 11 of the oil cylinder through the bolt and the gasket 7, the relative position of the high-pressure oil cylinder is stable, the ball 52 of the elastic jacking mechanism 5 is pressed on the piston rod 9, and the power mechanism for rotating the cylinder body 11 of the high-pressure oil cylinder is clamped on the rotating shaft connector 3 of the rotating shaft of the high-pressure oil cylinder, so that the cylinder body 11 of the high-pressure oil cylinder.

It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.

Claims

1. A high-pressure oil cylinder rotating shaft is characterized in that: comprises a flange body (2) with a piston rod through hole (1) arranged at the central position and two symmetrically arranged rotating shaft connecting bodies (3) fixed on the outer wall of the flange body (2); at least three rotating shaft grooves (4) are formed in the inner wall of the flange body (2), and elastic jacking mechanisms (5) are installed in the rotating shaft grooves (4); the elastic jacking mechanism (5) comprises: the novel square-shaped steel wire drawing machine is characterized in that one side of the square-shaped frame body (50) is provided with an opening, a sliding block (53) is slidably mounted in the square-shaped frame body (50), a sliding block spring (51) is mounted between one side of the sliding block (53) and the inner wall of the square-shaped frame body (50), a guide column (54) is fixedly mounted on the other side of the sliding block (53), the guide column (54) extends out of the opening of the square-shaped frame body (50), and the end portion of the guide column is rotatably connected with a ball (52.

2. The rotating shaft of the high-pressure oil cylinder according to claim 1, characterized in that: the center of the guide post (54) is provided with a spring groove (55), a ball (52) is arranged in the spring groove (55), two ends of a ball spring (56) are respectively tightly pressed on the sliding block (53) and the ball (52), and the part of the ball (52) after being tightly pressed by the ball spring (56) is exposed out of the end of the guide post (54).

3. The rotating shaft of the high-pressure oil cylinder as claimed in claim 2, characterized in that: the guide post (54) is glued to the slide block (53).

4. The rotating shaft of the high-pressure oil cylinder according to claim 1, characterized in that: one side of the flange body (2) is provided with a threaded connector (12) in threaded connection with the inner wall of the cylinder body of the oil cylinder, at least two threaded holes (6) are formed in the flange body (2), and a bolt penetrates through the threaded holes (6) in the flange body (2) and is fixedly connected with the end face of the cylinder body of the oil cylinder.

5. The rotating shaft of the high-pressure oil cylinder according to claim 1, characterized in that: the rotating shaft connector (3) is a cylinder or a square body.

6. The rotating shaft of the high-pressure oil cylinder according to claim 1, characterized in that: and a gasket (7) for stabilizing the bolt is arranged on the flange body (2).

7. The rotating shaft of the high-pressure oil cylinder according to claim 4, characterized in that: the flange body (2), the rotating shaft connector (3) and the threaded connector (12) are made of steel.