CN218992009U

CN218992009U - Centrifugal machine rotary oil cylinder convenient to adjust

Info

Publication number: CN218992009U
Application number: CN202222040514.2U
Authority: CN
Inventors: 黄翼博; 朱秀山; 朱亚芳
Original assignee: Zhangjiagang Keyu Machinery Co ltd
Current assignee: Zhangjiagang Keyu Machinery Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-05-09
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a centrifugal machine rotary oil cylinder convenient to adjust, and particularly relates to the field of rotary oil cylinders, which comprises an oil cylinder body, a piston rod, a piston and an oil cylinder upper cover, wherein the oil cylinder upper cover is arranged on one side of the oil cylinder body, the piston rod penetrates through the oil cylinder upper cover and is inserted into the oil cylinder body, the piston is fixedly sleeved at one end of the piston rod, and hydraulic straight-through connectors are arranged at the top of one end of the oil cylinder body, which is far away from the oil cylinder upper cover, and the top of the oil cylinder upper cover. According to the utility model, the tightness of two sides of the piston can be improved through the matching of the first sealing ring and the first wear-resistant ring, so that the use effect is improved, the wear resistance of the piston can be improved, the service life is prolonged, the ejector rod can be sequentially driven to move through rotating the rotating plate to push the piston rod, so that the moving distance position of the piston can be adjusted, and the phenomenon that a welded scraper enters the inside of the centrifugal machine to influence the use effect is avoided.

Description

Centrifugal machine rotary oil cylinder convenient to adjust

Technical Field

The utility model relates to the technical field of rotary cylinders, in particular to a centrifugal machine rotary cylinder convenient to adjust.

Background

The centrifugal machine is a machine which utilizes centrifugal force to accelerate separation of different materials to be separated, is widely applied to the departments of chemical industry, petroleum, food, pharmacy, ore dressing, coal, water treatment, ships and the like, and is internally provided with a rotary oil cylinder which is a tightly assembled fitting and uses hydraulic pressure to collect very high torque in a small space, and can be accurately and easily controlled despite high power.

However, when in actual use, the conventional centrifuge rotary oil cylinder is fixed in the moving distance of the piston inside, and when in actual use, the moving distance of the piston cannot be finely adjusted accurately according to the needs, so that the centrifuge rotary oil cylinder is inconvenient to use.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a centrifugal machine rotary oil cylinder convenient to adjust, and the moving distance of a piston rod can be conveniently fine-adjusted through the cooperation of the arranged piston, a rotating nut, an adjusting screw and other structures, so that a welded scraper is prevented from entering the inside of a centrifugal machine, and the using effect is prevented from being influenced; meanwhile, the service life of the piston rod is prolonged, and the sealing strength is improved, so that the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the rotary oil cylinder of the centrifugal machine convenient to adjust comprises an oil cylinder body, a piston rod, a piston and an oil cylinder upper cover, wherein the oil cylinder upper cover is arranged on one side of the oil cylinder body, the piston rod penetrates through the oil cylinder upper cover and is inserted into the oil cylinder body, the piston is fixedly sleeved at one end of the piston rod, and hydraulic straight-through connectors are arranged at the top of one end of the oil cylinder body, which is far away from the oil cylinder upper cover, and the top of the oil cylinder upper cover;

the middle part of the outer surface of the piston is provided with a first sealing ring, two sides of the first sealing ring are symmetrically provided with first wear-resistant rings, one end of the piston, which is far away from the upper cover of the oil cylinder, is provided with a spring washer, and one end of the spring washer, which is far away from the piston, is provided with a nut;

an adjusting screw is inserted into one end, far away from the upper cover of the oil cylinder, of the oil cylinder body, a rotating nut is sleeved in the middle of the adjusting screw, and one end, close to a piston rod, of the adjusting screw is fixedly connected with the adjusting screw;

the one end fixedly connected with sealing rod that adjusting screw is close to the piston rod, the one end fixedly connected with ejector pin that adjusting screw was kept away from to the sealing rod, the one end that adjusting screw was kept away from to the sealing rod is provided with the sealing washer.

In a preferred implementation manner, the piston is arranged in the middle of the cylinder body, the diameter of the piston is matched with the diameter of the inner cavity of the cylinder body, the first wear-resistant ring is arranged on the outer surface of the piston, the spring washer and the nut are sleeved on the end part of the piston rod, the nut is in threaded connection with the end part wall body of the piston rod, the wall body of the spring washer is attached to the wall body of the nut and the piston, the position of the ejector rod corresponds to one end of the piston rod, which is close to the nut, of the cylinder body, the sealing rod is tightly attached to the wall body of the cylinder body through a sealing ring, the adjusting screw is in threaded connection with the wall body of the cylinder body, the rotating plate is fixedly connected with one end of the adjusting screw, which is far away from the sealing rod, a sealing ring is arranged between the cylinder upper cover and the cylinder body, the cylinder upper cover is fixedly connected with the cylinder body through bolts, the two sides of the second wear-resistant ring and the second sealing ring are respectively arranged on one side of the cylinder upper cover, which is far away from the cylinder body, and the second wear-resistant ring and the dustproof ring are attached to the inner ring of the cylinder body.

The utility model has the technical effects and advantages that:

1. according to the utility model, the tightness of two sides of the piston can be improved through the cooperation of the first sealing ring and the first wear-resistant ring, so that the use effect is improved, the wear resistance of the piston can be improved, the service life is prolonged, the ejector rod can be sequentially driven to move through the rotary rotating plate to push the piston rod, so that the moving distance position of the piston can be adjusted, the phenomenon that a welded scraper enters the inside of the centrifugal machine to affect the use effect is avoided, and the position of the adjusting screw rod is limited and fixed through the rotary rotating nut, so that the use effect is improved;

2. the second sealing ring, the second wear-resistant ring and the dustproof ring are arranged, so that friction between the piston rod and the upper cover of the oil cylinder can be avoided, dust is prevented from entering the cylinder body of the oil cylinder through the back and forth movement of the piston rod, the dustproof effect is achieved, the sealing strength is improved, and the use effect is further improved;

in conclusion, through the mutual influence of the plurality of actions, the moving distance of the piston rod can be conveniently fine-adjusted, and the phenomenon that the welded scraper enters the centrifuge to influence the using effect is avoided; and meanwhile, the service life of the piston rod is prolonged, and the sealing strength is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of the piston rod and piston structure of the present utility model.

Fig. 4 is a schematic view of the structure of the adjusting screw and the sealing rod of the present utility model.

The reference numerals are: 1. an oil cylinder body; 2. a piston rod; 3. a piston; 4. an oil cylinder upper cover; 5. a hydraulic straight-through joint; 6. a first wear ring; 7. a first seal ring; 8. a spring washer; 9. a screw cap; 10. adjusting a screw; 11. a sealing rod; 12. a push rod; 13. a seal ring; 14. rotating the nut; 15. a rotating plate; 16. a second seal ring; 17. a second wear ring; 18. a dust-proof ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The centrifugal machine rotary oil cylinder convenient to adjust comprises an oil cylinder body 1, a piston rod 2, a piston 3 and an oil cylinder upper cover 4, wherein the oil cylinder upper cover 4 is arranged on one side of the oil cylinder body 1, the piston rod 2 penetrates through the oil cylinder upper cover 4 and is inserted into the inner piston 3 of the oil cylinder body 1 to be fixedly sleeved at one end of the piston rod 2, and hydraulic straight-through connectors 5 are respectively arranged at the top of one end of the oil cylinder body 1 far away from the oil cylinder upper cover 4 and the top of the oil cylinder upper cover 4;

the middle part of the outer surface of the piston 3 is provided with a first sealing ring 7, the two sides of the first sealing ring 7 are symmetrically provided with a first wear-resistant ring 6, one end of the piston 3, which is far away from the upper cover 4 of the oil cylinder, is provided with a spring washer 8, and one end of the spring washer 8, which is far away from the piston 3, is provided with a nut 9;

an adjusting screw rod 10 is inserted into one end of the cylinder body 1 far away from the cylinder upper cover 4, a rotating nut 14 is sleeved in the middle of the adjusting screw rod 10, and one end of the adjusting screw rod 10 close to the piston rod 2 is fixedly connected with the adjusting screw rod 10;

one end of the adjusting screw rod 10, which is close to the piston rod 2, is fixedly connected with a sealing rod 11, one end of the sealing rod 11, which is far away from the adjusting screw rod 10, is fixedly connected with a push rod 12, and one end of the sealing rod 11, which is far away from the adjusting screw rod 10, is provided with a sealing ring 13.

As shown in figures 1-4, the piston 3 is arranged in the middle of the cylinder body 1, the diameter of the piston 3 is matched with the diameter of the inner cavity of the cylinder body 1, the first wear-resistant ring 6 is arranged on the outer surface of the piston 3, the spring washer 8 and the screw cap 9 are sleeved at the end part of the piston rod 2, the screw cap 9 is in threaded connection with the end part wall body of the piston rod 2, the wall body of the spring washer 8 is jointed with the screw cap 9 and the wall body of the piston 3, the position of the ejector rod 12 corresponds to one end of the piston rod 2 close to the screw cap 9, the sealing rod 11 is tightly jointed with the wall body of the cylinder body 1 through the sealing ring 13, the adjusting screw 10 is in threaded connection with the wall body of the cylinder body 1, the rotating nut 14 is in threaded connection with the adjusting screw 10, one end of the adjusting screw 10 away from the sealing rod 11 is fixedly connected with the rotating plate 15, a sealing ring is arranged between the cylinder upper cover 4 and the cylinder body 1, the cylinder upper cover 4 is fixedly connected with the cylinder body 1 through bolts, the middle part of the inner cavity of the oil cylinder upper cover 4 is provided with a second sealing ring 16, two sides of the second sealing ring 16 are respectively provided with a second wear-resistant ring 17 and a dust-proof ring 18, the dust-proof ring 18 is arranged on one side of the oil cylinder upper cover 4 far away from the oil cylinder body 1, the inner ring walls of the second wear-resistant ring 17, the second sealing ring 16 and the dust-proof ring 18 are attached to the wall of the piston rod 2 so as to improve the tightness of two sides of the piston 3 through the matching of the first sealing ring 7 and the first wear-resistant ring 6, thereby improving the use effect, simultaneously improving the wear resistance of the piston 3, prolonging the service life, and sequentially driving the ejector rod 12 to move to push the piston rod 2 through rotating the rotating plate 15, thereby adjusting the moving distance position of the piston 3, improving the use effect, and improving the use effect through the arranged second sealing ring 16 and the second wear-resistant ring 17, the dustproof ring 18 can avoid friction between the piston rod 2 and the oil cylinder upper cover 4, and meanwhile, dust is prevented from entering the oil cylinder body 1 through the back and forth movement of the piston rod 2, so that the dustproof effect is achieved, the sealing strength is improved, and the using effect is further improved.

The working principle of the utility model is as follows: when the oil cylinder is used, the rotating plate 15 is only required to be rotated to drive the adjusting screw 10 to move at one end of the oil cylinder body 1, so that the sealing rod 11 drives the ejector rod 12 to move, the distance between the oil cylinder upper cover 4 and the ejector rod 12 is shortened, the moving distance of the piston 3 in the oil cylinder body 1 is further reduced, and therefore the moving distance of one end of the piston rod 2 away from the oil cylinder body 1 can be limited and adjusted, and the use effect is improved;

the sealing effect of the adjusting screw 10, the sealing rod 11 and the wall body of the cylinder body 1 is improved through the arranged sealing ring 13, the piston 3 and the cylinder body 1 can be sealed through the arranged first sealing ring 7, the piston 3 is prevented from being damaged due to friction through the first wear-resistant ring 6, and the service life of the piston 3 is prolonged;

the piston rod 2 and the upper oil cylinder cover 4 can be sealed through the second sealing ring 16, external dust is prevented from being brought into the oil cylinder body 1 through the movement of the piston rod 2 through the dustproof ring 18, the dustproof effect is achieved, the wear resistance can be improved through the second wear-resistant ring 17, and the use effect is further improved.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

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

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a centrifuge gyration hydro-cylinder convenient to adjustment, includes hydro-cylinder barrel (1) and piston rod (2), piston (3), hydro-cylinder upper cover (4) set up in one side of hydro-cylinder barrel (1), piston rod (2) run through the inside that hydro-cylinder upper cover (4) inserted hydro-cylinder barrel (1) piston (3) fixed cover is established in the one end of piston rod (2), its characterized in that: the hydraulic straight-through connector (5) is arranged at the top of one end of the cylinder body (1) far away from the cylinder upper cover (4) and the top of the cylinder upper cover (4);

the middle part of the outer surface of the piston (3) is provided with a first sealing ring (7), two sides of the first sealing ring (7) are symmetrically provided with a first wear-resistant ring (6), one end of the piston (3) far away from the oil cylinder upper cover (4) is provided with a spring washer (8), and one end of the spring washer (8) far away from the piston (3) is provided with a nut (9);

an adjusting screw (10) is inserted into one end, far away from the oil cylinder upper cover (4), of the oil cylinder body (1), a rotating nut (14) is sleeved in the middle of the adjusting screw (10), and one end, close to the piston rod (2), of the adjusting screw (10) is fixedly connected with the adjusting screw (10);

one end of the adjusting screw rod (10) close to the piston rod (2) is fixedly connected with a sealing rod (11), one end of the sealing rod (11) away from the adjusting screw rod (10) is fixedly connected with a push rod (12), and one end of the sealing rod (11) away from the adjusting screw rod (10) is provided with a sealing ring (13).

2. The conveniently adjustable centrifuge return cylinder of claim 1, wherein: the piston (3) is arranged in the middle of the cylinder body (1), the diameter of the piston (3) is matched with the diameter of the inner cavity of the cylinder body (1), and the first wear-resistant ring (6) is arranged on the outer surface of the piston (3).

3. The conveniently adjustable centrifuge return cylinder of claim 1, wherein: the spring washer (8) and the nut (9) are sleeved at the end part of the piston rod (2), the nut (9) is in threaded connection with the end part wall body of the piston rod (2), and the wall body of the spring washer (8) is attached to the wall bodies of the nut (9) and the piston (3).

4. The conveniently adjustable centrifuge return cylinder of claim 1, wherein: the position of the ejector rod (12) corresponds to one end of the piston rod (2) close to the screw cap (9), and the sealing rod (11) is tightly attached to the wall body of the cylinder body (1) through a sealing ring (13).

5. The conveniently adjustable centrifuge return cylinder of claim 1, wherein: the adjusting screw (10) is in threaded connection with the wall body of the cylinder body (1), the rotating nut (14) is in threaded connection with the adjusting screw (10), and one end, far away from the sealing rod (11), of the adjusting screw (10) is fixedly connected with a rotating plate (15).

6. The conveniently adjustable centrifuge return cylinder of claim 1, wherein: a sealing ring is arranged between the oil cylinder upper cover (4) and the oil cylinder body (1), the oil cylinder upper cover (4) is fixedly connected with the oil cylinder body (1) through bolts, and a second sealing ring (16) is arranged in the middle of the inner cavity of the oil cylinder upper cover (4).

7. The easy-to-adjust centrifuge bowl of claim 6 wherein: the two sides of the second sealing ring (16) are respectively provided with a second wear-resistant ring (17) and a dustproof ring (18), the dustproof ring (18) is arranged on one side, far away from the cylinder body (1), of the cylinder upper cover (4), and the inner ring wall bodies of the second wear-resistant ring (17) and the second sealing ring (16) and the dustproof ring (18) are attached to the wall body of the piston rod (2).