CN217873539U

CN217873539U - High-stability bidirectional piston flip oil cylinder for centrifuge

Info

Publication number: CN217873539U
Application number: CN202222115399.0U
Authority: CN
Inventors: 朱秀山; 朱亚芳; 黄翼博
Original assignee: Zhangjiagang Keyu Machinery Co ltd
Current assignee: Zhangjiagang Keyu Machinery Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-22
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a high stable two way piston flip hydro-cylinder for centrifuge, concretely relates to hydro-cylinder field, including hydro-cylinder body and connecting block, hydraulic pressure right angle connects, the one end at the hydro-cylinder body is fixed to the connecting block, hydraulic pressure right angle connects and sets up in both ends one side of the hydro-cylinder body, the one end that the connecting block was kept away from to the hydro-cylinder body is inserted and is equipped with the piston rod, the pot head that the piston rod is close to the connecting block is equipped with the piston, the pot head that the piston rod is close to the piston is equipped with the nut, the inner chamber opening part of hydro-cylinder body is provided with the hydro-cylinder lid. The utility model discloses at first drive the piston at the inside round trip movement of hydro-cylinder body through removing the hydro-cylinder lid, can realize two-way piston's effect, still through the hydro-cylinder spacing collar that sets up, and the cooperation of hydro-cylinder lid, anti-loosening plate, can carry on spacingly to the removal of piston, play the stability that the piston rod removed simultaneously, and then increase holistic stability in use, improve the result of use.

Description

High-stability bidirectional piston flip oil cylinder for centrifuge

Technical Field

The utility model relates to a hydro-cylinder technical field, more specifically say, the utility model relates to a two-way piston flip hydro-cylinder of high stability for centrifuge.

Background

The centrifugal machine is a machine which separates components in liquid and solid particles or a mixture of the liquid and the liquid by utilizing centrifugal force, when the centrifugal machine is used, a bidirectional piston flip oil cylinder is needed to work, the oil cylinder is also called a linear motion type execution element with output force of a hydraulic cylinder, effective area of a piston and pressure difference between two sides of the piston being in direct proportion, the hydraulic cylinder is an energy conversion device which converts hydraulic energy into mechanical energy in reciprocating linear motion, and the oil cylinder is divided into a unidirectional oil cylinder and a bidirectional oil cylinder.

When in actual use, the existing bidirectional piston oil cylinder is easy to wear due to multiple movements of the inner piston when in use, so that a gap is generated between the piston and a wall body of the oil cylinder body, thereby influencing the sealing effect, and also easily shaking the inside of the oil cylinder body due to poor fixing effect on the piston, thereby influencing the stability and the using effect of the oil cylinder body.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a two-way piston flip hydro-cylinder is highly stabilized for centrifuge, through the cooperation of the piston that sets up and hydro-cylinder lid, nut isotructure, can improve the stability of piston at the inside removal of hydro-cylinder body, avoids producing wearing and tearing and not hard up simultaneously, influences the result of use to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high-stability bidirectional piston flip oil cylinder for a centrifuge comprises an oil cylinder body and a connecting block, wherein a hydraulic right-angle joint is fixed at one end of the oil cylinder body and arranged on one side of two ends of the oil cylinder body;

a nut is sleeved at one end, close to the piston, of the piston rod, an oil cylinder cover is arranged at an opening of an inner cavity of the oil cylinder body, and an anti-loosening plate is arranged at one end, far away from the connecting block, of the oil cylinder cover;

bolts are inserted around the anti-loosening plate, a fork joint is arranged at one end, away from the nut, of the piston rod, clamping grooves are symmetrically formed in two ends of the outer surface of the piston, a piston sealing ring is arranged in the middle of each clamping groove, and an oil cylinder limiting ring is arranged on one side, close to the connecting block, of the inner cavity of the oil cylinder body.

In a preferred embodiment, the inner cavity of the hydraulic right-angle joint is communicated with the inner cavity of the cylinder body, the piston is fixedly connected with the piston rod, a spring washer is arranged between the nut and the piston, the wall body of the piston is attached to the wall body of the inner cavity of the cylinder body, the wall body of the piston sealing ring is closely attached to the wall body of the cylinder body, the piston rod penetrates through the middle parts of the cylinder cover and the anti-loosening plate and extends to the outside of the cylinder body, the cylinder cover is fixedly connected with the cylinder body through a limiting ring, the anti-loosening plate is fixedly connected with the cylinder cover through a bolt, a sealing ring and a wear-resisting ring are respectively arranged on two sides of the middle part of the cylinder cover in the society, the wear-resisting ring and the sealing ring are both attached to the wall body of the piston rod, a threaded slot is formed in one end, close to the piston rod, of the piston rod, extends to the inside of the threaded slot, the piston rod is in threaded connection with the forked joint, and a nut is sleeved at one end, close to the forked joint, of the piston rod.

The utility model discloses a technological effect and advantage:

1. the utility model discloses at first drive the piston through removing the hydro-cylinder lid and move around in the inside of hydro-cylinder body, can realize the effect of two-way piston, simultaneously can improve sealed effect through the piston seal ring that sets up, and through the sealing ring and the wear ring that set up, increase the leakproofness between piston rod and the hydro-cylinder lid, avoid producing wearing and tearing simultaneously, influence sealed effect, still through the hydro-cylinder spacing collar that sets up, and the cooperation of hydro-cylinder lid, locking plate, can carry out spacing to the removal of piston, play the stability that the piston rod moved simultaneously, and then increase holistic stability in use, improve the result of use;

2. the utility model also connects the piston rod with the fork joint conveniently by arranging the thread slot and the nut, thereby being convenient for installation and use, improving the use effect, limiting the piston seal ring conveniently by the slot, improving the use effect, and avoiding the nut from loosening by the arranged spring washer, thereby influencing the stability of the piston;

in conclusion, through the mutual influence of the multiple functions, the stability of the piston moving in the cylinder body of the oil cylinder can be improved, and meanwhile, the abrasion and the looseness are avoided to influence the use effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is the schematic view of the cross-sectional structure of the oil cylinder cover of the present invention.

Fig. 4 is a schematic structural diagram of the piston of the present invention.

The reference signs are: 1. a cylinder body of the oil cylinder; 2. connecting blocks; 3. a hydraulic right-angle joint; 4. a piston rod; 5. a piston; 6. a nut; 7. an oil cylinder cover; 8. an anti-loosening plate; 9. a bolt; 10. a fork joint; 11. a card slot; 12. a piston seal ring; 13. an oil cylinder limiting ring; 14. a seal ring; 15. a wear ring; 16. a threaded socket; 17. and (4) a nut.

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.

The high-stability bidirectional piston flip oil cylinder for the centrifuge comprises an oil cylinder body 1, a connecting block 2 and a hydraulic right-angle joint 3, wherein the connecting block 2 is fixed at one end of the oil cylinder body 1, the hydraulic right-angle joint 3 is arranged at one side of two ends of the oil cylinder body 1, a piston rod 4 is inserted at one end, far away from the connecting block 2, of the oil cylinder body 1, and a piston 5 is sleeved at one end, close to the connecting block 2, of the piston rod 4;

a nut 6 is sleeved at one end, close to the piston 5, of the piston rod 4, an oil cylinder cover 7 is arranged at an opening of an inner cavity of the oil cylinder body 1, and an anti-loosening plate 8 is arranged at one end, far away from the connecting block 2, of the oil cylinder cover 7;

bolts 9 are inserted around the anti-loosening plate 8, a fork joint 10 is arranged at one end, far away from the nut 6, of the piston rod 4, clamping grooves 11 are symmetrically formed in two ends of the outer surface of the piston 5, a piston sealing ring 12 is arranged in the middle of each clamping groove 11, and an oil cylinder limiting ring 13 is arranged on one side, close to the connecting block 2, of the inner cavity of the oil cylinder body 1.

As shown in the attached figures 1-4, the inner cavity of the hydraulic right-angle joint 3 is communicated with the inner cavity of the cylinder body 1, the piston 5 is fixedly connected with the piston rod 4, a spring washer is arranged between the nut 6 and the piston 5, the wall body of the piston 5 is attached to the wall body of the inner cavity of the cylinder body 1, the wall body of the piston seal ring 12 is closely attached to the wall body of the cylinder body 1, the piston rod 4 penetrates through the middle parts of the cylinder cover 7 and the anti-loosening plate 8 and extends to the outside of the cylinder body 1, the cylinder cover 7 is fixedly connected with the cylinder body 1 through a limit ring, the anti-loosening plate 8 is fixedly connected with the cylinder cover 7 through a bolt 9, two sides of the middle part of the cylinder cover 7 are respectively provided with a seal ring 14 and a wear ring 15, the wear ring 15 and the seal ring 14 are both attached to the wall body of the piston rod 4, one end of the fork joint 10, which is close to the piston rod 4, one end of the piston rod 4, which is far away from the piston 5, extends to the inside of the thread slot 16, the piston rod 4 is connected with the fork joint 10 in a threaded manner, one end of the piston rod 4 close to the fork joint 10 is sleeved with the nut 17 so as to drive the piston 5 to move back and forth in the oil cylinder body 1 by moving the oil cylinder cover 7, the function of a bidirectional piston can be realized, the sealing effect can be improved by the arranged piston sealing ring 12 at the same time, the sealing property between the piston rod 4 and the oil cylinder cover 7 is improved by the arranged sealing ring 14 and the arranged wear-resisting ring 15, meanwhile, the abrasion is avoided, the sealing effect is influenced, the piston rod 4 is conveniently connected with the fork joint 10 by the arranged threaded slot 16 and the nut 17, the installation and the use are convenient, the use effect is improved, the movement of the piston 5 can be limited by the arranged oil cylinder limiting ring 13, the use effect is improved, and the piston sealing ring 12 is conveniently limited by the clamping groove 11, improve the result of use to through the spring washer that sets up, can avoid nut 6 not hard up, thereby influence the stability of piston 5.

The utility model discloses the theory of operation: when the device is used, the piston rod 4 and the fork joint 10 can be connected only by corresponding one end of the piston rod 4 to the threaded slot 16, rotating and moving the fork joint 10 to enable one end of the piston rod 4 to be inserted into the fork joint 10 and rotating the nut 17 to extrude the fork joint 10, so that the device is convenient to install and use;

then the hydraulic right-angle joint 3 is connected with a hydraulic pipe for use, so that two sides of the piston 5 are divided into two cylinder bodies, the structure of two oil cylinders can be realized in one oil cylinder body 1 through the movement of the piston 5, the effect of a bidirectional piston is realized, the use effect is improved, the stability of the movement of the piston rod 4 can be improved through the matching of the piston 5 and an oil cylinder cover 7, and the stability of the piston is improved;

the moving distance of the piston 5 is limited through the oil cylinder limiting ring 13, the using effect is improved, the connecting strength of the piston rod 4 and the piston 5 can be improved through the arranged nut 6 and the arranged spring washer, the sealing effect is achieved through the piston sealing ring 12, and the using effect is further improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a high stable two-way piston flip hydro-cylinder for centrifuge, includes hydro-cylinder body (1) and connecting block (2), hydraulic pressure right angle connects (3), the one end at hydro-cylinder body (1) is fixed in connecting block (2), hydraulic pressure right angle connects (3) and sets up in both ends one side of hydro-cylinder body (1), its characterized in that: a piston rod (4) is inserted into one end, far away from the connecting block (2), of the oil cylinder body (1), and a piston (5) is sleeved at one end, close to the connecting block (2), of the piston rod (4);

a nut (6) is sleeved at one end, close to the piston (5), of the piston rod (4), an oil cylinder cover (7) is arranged at an opening of an inner cavity of the oil cylinder body (1), and an anti-loosening plate (8) is arranged at one end, far away from the connecting block (2), of the oil cylinder cover (7);

bolts (9) are inserted around the anti-loosening plate (8), a fork joint (10) is arranged at one end, away from the nut (6), of the piston rod (4), clamping grooves (11) are symmetrically formed in two ends of the outer surface of the piston (5), a piston sealing ring (12) is arranged in the middle of each clamping groove (11), and an oil cylinder limiting ring (13) is arranged on one side, close to the connecting block (2), of the inner cavity of the oil cylinder body (1).

2. The high-stability bidirectional piston flip cylinder for the centrifuge according to claim 1, characterized in that: the inner cavity of the hydraulic right-angle connector (3) is communicated with the inner cavity of the oil cylinder body (1), the piston (5) is fixedly connected with the piston rod (4), and a spring washer is arranged between the nut (6) and the piston (5).

3. The high-stability bidirectional piston flip cylinder for the centrifuge according to claim 1, characterized in that: the wall body of the piston (5) is attached to the inner cavity wall body of the oil cylinder body (1), and the wall body of the piston seal ring (12) is closely attached to the wall body of the oil cylinder body (1).

4. The high-stability bidirectional piston flip cylinder for the centrifuge according to claim 1, characterized in that: the piston rod (4) runs through the middle parts of the oil cylinder cover (7) and the anti-loosening plate (8) and extends to the outside of the oil cylinder body (1), and the oil cylinder cover (7) is fixedly connected with the oil cylinder body (1) through a limiting ring.

5. The high-stability bidirectional piston flip cylinder for the centrifuge according to claim 1, characterized in that: the anti-loosening plate (8) is fixedly connected with the oil cylinder cover (7) through a bolt (9), a sealing ring (14) and a wear-resisting ring (15) are respectively arranged on two sides of the middle of the oil cylinder cover (7), and the wear-resisting ring (15) and the sealing ring (14) are attached to the wall body of the piston rod (4).

6. The high-stability bidirectional piston flip cylinder for the centrifuge according to claim 1, characterized in that: one end, close to the piston rod (4), of the fork joint (10) is provided with a threaded slot (16), and one end, far away from the piston (5), of the piston rod (4) extends into the threaded slot (16).

7. The high-stability bidirectional piston flip cylinder for the centrifuge according to claim 1, characterized in that: the piston rod (4) is in threaded connection with the fork joint (10), and a nut (17) is sleeved at one end, close to the fork joint (10), of the piston rod (4).