Oil cylinder with anti-loose and anti-seepage oil cylinder cover

Abstract

The oil cylinder comprises an oil cylinder body, a conical sealing seat is arranged in the middle of the bottom end of a rubber inner pad, side grooves are formed in the two sides of the bottom of the conical sealing seat, a rubber barrier strip is arranged on one side in each side groove, and an elastic metal strip is arranged in each rubber barrier strip. According to the oil cylinder with the anti-loosening and anti-seepage oil cylinder cover, the conical sealing seat is arranged at the rubber inner pad at the bottom of the cylinder cover, the conical sealing seat can be tightly pressed at the conical port, and after the conical sealing seat is tightly pressed, the rubber blocking strips on the two sides of the bottom of the conical sealing seat can be unfolded and blocked at the connecting position of the conical port and the bottom of the conical sealing seat, so that the sealing effect is good. According to the oil cylinder, the conical end opening is formed in the oil cylinder body, the connecting point of the conical end opening and the bottom of the conical sealing base can be protected, liquid is prevented from leaking through the point position, the multiple intercepting blocks are arranged at the top of the oil cylinder body and can block overflowing oil, a small amount of oil can be adsorbed through the adsorption blocks, and the situation that oil leaks from a cylinder cover is reduced.

Description

Technical Field

[0001] The utility model relates to an oil cylinder with an anti-loosening and anti-seepage oil cylinder cover, belonging to the technical field of oil cylinders. Background Technique

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion). It has a simple structure and reliable operation. When used to achieve reciprocating motion, it can eliminate the need for a deceleration device, and there is no transmission gap, and the motion is stable. Therefore, it is widely used in the hydraulic systems of various machines, such as excavators, bulldozers, or cars, and it is one of the main devices for most large equipment.

[0003] For the existing oil cylinders, during use, due to certain vibrations under external conditions, the oil cylinder cover will become loose to a certain extent, resulting in the leakage of the oil inside the oil cylinder, which may cause damage to the oil cylinder. Content of the Utility Model

[0004] The purpose of the utility model is to provide an oil cylinder with an anti-loosening and anti-seepage oil cylinder cover to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An oil cylinder with an anti-loosening and anti-seepage oil cylinder cover, including an oil cylinder body, a cylinder cover, a base, and a piston rod body. The cylinder cover is arranged at the top position of the oil cylinder body. A rubber inner pad is arranged at the bottom end of the cylinder cover. A conical sealing seat is arranged at the middle position of the bottom end of the rubber inner pad. A conical port is arranged at the middle position of the top end of the oil cylinder body. The conical sealing seat is arranged inside the conical port. Side grooves are opened on both sides of the bottom of the conical sealing seat. A rubber blocking strip is arranged on one side inside the side groove. An elastic metal strip is arranged inside the rubber blocking strip.

[0007] In the above oil cylinder with an anti-loosening and anti-seepage oil cylinder cover, the base is arranged at the bottom of the oil cylinder body, and fixing holes are opened on the side of the base.

[0008] In the above oil cylinder with an anti-loosening and anti-seepage oil cylinder cover, a piston seat is movably arranged inside the oil cylinder body. A piston rod body is arranged at the top end of the piston seat. The piston rod body passes through the cylinder cover and is connected to the connecting seat at the top of the cylinder cover.

[0009] In the above oil cylinder with an anti-loosening and anti-seepage oil cylinder cover, a plurality of intercepting blocks arranged side by side are arranged on both sides of the top end of the oil cylinder body. An adsorption block is arranged at the top end of the intercepting block. The adsorption block is a sponge block.

[0010] In the oil cylinder with an anti-loosening and anti-seepage oil cylinder cover described above, a plurality of bottom grooves are formed at the bottom end of the dust-proof pad, and the intercepting blocks are placed inside the bottom grooves.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] The present utility model relates to an oil cylinder with an anti-loosening and anti-seepage oil cylinder cover. The present application improves the structure of the cylinder cover. A conical sealing seat is arranged at the rubber inner pad at the bottom of the cylinder cover. The conical sealing seat can be pressed tightly at the conical port. At the same time, when the conical sealing seat is pressed tightly, the rubber sealing strips on both sides of the bottom of the conical sealing seat can be unfolded and blocked at the connection site between the conical port and the bottom of the conical sealing seat. In this way, the connection site between the conical port and the bottom of the conical sealing seat can be protected to prevent liquid from leaking through this point. A plurality of intercepting blocks are arranged at the top of the oil cylinder body. The intercepting blocks can block the overflowing oil. A small amount of oil can also be adsorbed and treated by the adsorption block. In this way, the situation of oil leakage from the cylinder cover can be greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural view of the oil cylinder with an anti-loosening and anti-seepage oil cylinder cover of the present utility model;

[0014] Figure 2 is a schematic structural view of the cylinder cover of the oil cylinder with an anti-loosening and anti-seepage oil cylinder cover of the present utility model;

[0015] Figure 3 is a schematic structural view of the oil cylinder body of the oil cylinder with an anti-loosening and anti-seepage oil cylinder cover of the present utility model;

[0016] Figure 4 is a schematic enlarged structural view of the rubber sealing strip of the oil cylinder with an anti-loosening and anti-seepage oil cylinder cover of the present utility model.

[0017] In the figure: 1. Oil cylinder body; 2. Cylinder cover; 3. Base; 4. Piston rod body; 5. Dust-proof pad; 6. Rubber inner pad; 7. Conical sealing seat; 8. Bottom groove; 9. Piston seat; 10. Conical port; 11. Intercepting block; 12. Adsorption block; 13. Rubber sealing strip; 14. Elastic metal strip; 15. Side groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-4, the present utility model provides a technical solution for an oil cylinder with an anti-loosening and anti-leakage oil cylinder cover:

[0020] The oil cylinder with an anti-loosening and anti-leakage oil cylinder cover includes an oil cylinder body 1, a cylinder cover 2, a base 3 and a piston rod body 4. A cylinder cover 2 is arranged at the top position of the oil cylinder body 1. A rubber inner pad 6 is arranged at the bottom end of the cylinder cover 2. A conical sealing seat 7 is arranged at the middle position of the bottom end of the rubber inner pad 6. A conical port 10 is arranged at the middle of the top end of the oil cylinder body 1. The conical sealing seat 7 is arranged inside the conical port 10. Side grooves 15 are opened on both sides of the bottom of the conical sealing seat 7. A rubber stop strip 13 is arranged on one side inside the side groove 15. An elastic metal strip 14 is arranged inside the rubber stop strip 13.

[0021] According to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in, the oil cylinder with an anti-loosening and anti-leakage oil cylinder cover of the present application, specifically, a base 3 is arranged at the bottom of the oil cylinder body 1, and fixing holes are opened on the side of the base 3.

[0022] According to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in, the oil cylinder with an anti-loosening and anti-leakage oil cylinder cover of the present application, specifically, a piston seat 9 is movably arranged inside the oil cylinder body 1. A piston rod body 4 is arranged at the top end of the piston seat 9. The piston rod body 4 passes through the cylinder cover 2 and is connected to the connecting seat at the top of the cylinder cover 2.

[0023] According to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in, the oil cylinder with an anti-loosening and anti-leakage oil cylinder cover of the present application, specifically, a plurality of intercepting blocks 11 arranged side by side are arranged on both sides of the top end of the oil cylinder body 1. An adsorption block 12 is arranged at the top end of the intercepting block 11. The adsorption block 12 is a sponge block.

[0024] According to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in, the oil cylinder with an anti-loosening and anti-leakage oil cylinder cover of the present application, specifically, a plurality of bottom grooves 8 are opened at the bottom end of the dust-proof pad 5. The intercepting blocks 11 are placed inside the bottom grooves 8.

[0025] Working principle, the utility model has an oil cylinder with an anti-loosening and anti-leakage oil cylinder cover. In this application, a conical sealing seat 7 is provided at the rubber inner pad 6 at the bottom of the traditional cylinder cover 2. The conical sealing seat 7 can be pressed against the conical port 10 of the oil cylinder body 1. At the same time, when the conical sealing seat 7 is pressed, the rubber retaining strips 13 on both sides of the bottom of the conical sealing seat 7 can be unfolded, and the rubber retaining strips 13 are blocked at the connection point between the conical port 10 and the bottom of the conical sealing seat 7. In this way, the connection point between the conical port 10 and the bottom of the conical sealing seat 7 can be protected to prevent liquid from leaking through this point. This application also has a plurality of intercepting blocks 11 provided at the top of the oil cylinder body 1. The intercepting blocks 11 can block the overflowing oil. A small amount of oil can also be adsorbed and treated by the adsorption block 12. In this way, the situation of oil leakage from the cylinder cover 2 can be greatly reduced.

[0026] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art of the utility model can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. An oil cylinder with a loosening-preventing and leakage-preventing cylinder head, comprising an oil cylinder body (1), a cylinder head (2), a base (3) and a piston rod body (4), characterized in that, A cylinder head (2) is provided at the top position of the cylinder body (1). A rubber inner pad (6) is provided at the bottom end of the cylinder head (2). A conical seal seat (7) is provided at the middle position of the bottom end of the rubber inner pad (6). A conical port (10) is provided at the middle of the top end of the cylinder body (1). The conical seal seat (7) is arranged inside the conical port (10). Side grooves (15) are formed on both sides of the bottom of the conical seal seat (7). A rubber stop strip (13) is arranged on one side inside the side groove (15). An elastic metal strip (14) is arranged inside the rubber stop strip (13).

2. The oil cylinder with an anti-loosening and anti-leakage oil cylinder cover according to claim 1, characterized in that, A base (3) is provided at the bottom of the cylinder body (1). Fixing holes are formed at the side of the base (3).

3. The oil cylinder with an anti-loosening and anti-leakage oil cylinder cover according to claim 1, characterized in that, A piston seat (9) is movably arranged inside the cylinder body (1). A piston rod body (4) is provided at the top end of the piston seat (9). The piston rod body (4) passes through the cylinder head (2) and is connected to the connecting seat at the top of the cylinder head (2).

4. The oil cylinder with an anti-loosening and anti-leakage oil cylinder cover according to claim 1, characterized in that A plurality of intercepting blocks (11) arranged side by side are provided on both sides of the top end of the cylinder body (1). An adsorption block (12) is provided at the top end of the intercepting block (11). The adsorption block (12) is a sponge block.

5. The oil cylinder with an anti-loosening and anti-leakage oil cylinder cover according to claim 4, characterized in that, A plurality of bottom grooves (8) are formed at the bottom end of the dust-proof pad (5). The intercepting blocks (11) are placed inside the bottom grooves (8).

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