CN217422178U - Rubber sealing element structure with good wear resistance - Google Patents

Abstract

The utility model belongs to the technical field of sealing, and discloses a rubber seal structure with good wear resistance, which comprises a sealing shell, and eight nuts are movably mounted on the inner upper end of the sealing shell at an equal angle. A No. 1 spring is fixedly installed on the upper end of the nut, a sealing ring is fixedly installed on the inner side of the sealing shell, and eight protruding blocks are installed in the middle of the sealing shell, and the inner sides of the eight said protruding blocks are movable respectively. A transmission rod is installed. The utility model achieves the purpose of good sealing effect by being provided with bumps, support rods and sealing rings. The sealing shell is placed at the interface of the water pipeline, and the support rod is pushed up and down when the transmission rod moves inwardly. When unfolded, the support rod will fit on the inner wall of the pipeline, and at the same time drive the sealing ring to fit on the inner wall of the pipeline to seal the interface of the pipeline, so as to achieve the purpose of good sealing effect.

Description

A rubber seal structure with good wear resistance

technical field

The utility model belongs to the technical field of sealing, in particular to a rubber seal structure with good wear resistance.

Background technique

Seals are materials or parts that prevent fluid or solid particles from leaking from adjacent joint surfaces and prevent external impurities such as dust and moisture from invading parts of machinery and equipment. Although the seal is small, its function makes it a basic component and accessory in the main industries of the national economy such as national defense, chemical industry, petroleum, coal, transportation and machinery manufacturing. Seals are also essential in daily life. The interface of the water pipeline to prevent the waste of water resources.

The existing rubber seals all have good wear resistance. In daily life, the interface of the water pipeline needs a better seal, which reduces the waste of water resources, facilitates the transportation of water sources, and increases the convenience of life. The long-term use of the seals will lead to poor sealing effect, easy to cause waste of water resources, and maintenance personnel are required to conduct regular inspections and observations, increasing daily maintenance costs.

SUMMARY OF THE INVENTION

The purpose of the present utility model is to solve the above problems, and the utility model provides a rubber seal structure with good wear resistance, which has the advantages of good sealing effect and anti-corrosion.

In order to achieve the above purpose, the utility model provides the following technical scheme: a rubber seal structure with good wear resistance, comprising a sealing shell, and the upper end inside the sealing shell is movably installed with eight nuts in a ring shape, eight nuts, and eight nuts. A No. 1 spring is fixedly installed on the upper end of the nut, a sealing ring is fixedly installed on the inner side of the sealing shell, and eight protruding blocks are installed in the middle part of the sealing shell movably at an equal angle. A transmission rod is movably installed respectively, the middle of the transmission rod is fixedly installed with a No. 2 spring, the upper and lower parts of the inner end of the transmission rod are respectively movably installed with support rods, and the inner side of the sealing shell is fixedly installed with eight equiangular rings. bit block.

As a preferred technical solution of the present invention, the top and bottom of the sealing shell are respectively fixed with sealing gaskets, and the outer part of the sealing shell is fixedly sleeved with a protective shell, so that the design can effectively prevent corrosion at the interface, and the pipeline When the sealing is not in place, when the water flows out through the gap, the water will not come into contact with the interface of the pipeline through the gasket, resulting in corrosion and corrosion of the pipeline interface through the water, reducing the service life.

As a preferred technical solution of the present invention, the number of the gaskets is two, the gaskets are made of water-swellable rubber strips, and the gaskets are respectively fixed on the top and bottom of the sealing shell and are located in the protection The inside of the shell is designed in this way to facilitate the secondary sealing of the seepage. When the water flows out through the gap, the gasket will absorb it. According to the characteristics of the gasket, it will expand when it encounters water, and the seepage will be sealed.

As a preferred technical solution of the present invention, the bump is a conical cylinder, the bump is located at the bottom of the nut, the bottom of the nut is arc-shaped, the nut is a hexagonal column, and the nut is a hexagonal column. The inner side of the nut is provided with a thread, the pipe interface is sealed by the nut, and the nut is moved downward by the screw. During the movement of the nut, the bottom of the nut will squeeze the bump, so that the bump moves to the inside. , seal the pipe.

As a preferred technical solution of the present invention, the number of the support rods is two, the right ends of the two support rods are movable on the inner ends of the transmission rods and are located inside the limit block, and the left ends of the support rods are fixed It is located up and down inside the sealing ring, so the design is convenient to unfold the sealing ring, and has a better sealing effect on the interface of the pipeline. The movement of the bump inward will push the transmission rod to the inner side, and the transmission rod will move at the same time. The support rod is spread up and down through the limit block, and the sealing ring is attached to the inner wall of the pipe.

As a preferred technical solution of the present invention, the sealing ring is made of rubber material, the sealing ring is in the shape of "C", and the sealing ring is annularly fixed on the inner side of the sealing shell. The sealing ring is stretched to have a better sealing effect on the pipeline, and the sealing ring is flatly laid with the interface of the pipeline through the support rod.

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

The utility model achieves the purpose of good sealing effect by being provided with bumps, support rods and sealing rings. , the bottom of the screw will push the nut to move, and the No. 1 spring will be stretched. During the movement of the nut, it will push the bump to move inward, the transmission rod will move inward, and the No. 2 spring will be compressed. When the rod moves inward, it will push the support rod to expand up and down, and the limit block will limit and guide the support rod, so that the two support rods will expand up and down respectively, and at the same time will drive the sealing ring to expand, the support rod will Fitted with the inner wall of the pipeline, and at the same time drives the sealing ring to fit on the inner wall of the pipeline to seal the interface of the pipeline, so that it achieves the purpose of good sealing effect;

The utility model achieves the purpose of preventing rust and corrosion by being provided with a protective shell and a sealing gasket. When water seeps at the pipe interface, the sealing gasket will absorb the seeped water, and the sealing gasket absorbs water and expands, and the gap at the pipe interface will be cleaned. Sealing, will not let the water flow out and contact the interface of the pipeline, and will not cause the interface of the pipeline to corrode, and the interface will be sealed twice, so that it can achieve the effect of anti-corrosion.

Description of drawings

Fig. 1 is the structural appearance schematic diagram of the utility model;

FIG. 2 is a schematic cross-sectional view of the bottom of the structure of the present invention;

Fig. 3 is the front sectional schematic diagram of the structure of the utility model;

4 is a schematic diagram of a structural protective shell of the utility model;

Fig. 5 is the enlarged schematic diagram of the A place of the utility model structure Fig. 2;

6 is a schematic cross-sectional view of the structural nut of the present invention.

In the figure: 1. Protective shell; 2. Gasket; 3. No. 1 spring; 4. Nut; 5. Bump; 6. Transmission rod; 7. No. 2 spring; 8. Limit block; 9. Support rod; 10. Sealing ring; 11. Sealing shell.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying 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 implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1 to 6, the present invention provides a rubber seal structure with good wear resistance, comprising a sealing shell 11, and eight nuts 4 are installed on the inner upper end of the sealing shell 11 in an equiangular manner. A No. 1 spring 3 is fixedly installed on the upper ends of the nuts 4 respectively, a sealing ring 10 is fixedly installed on the inner side of the sealing shell 11 , and eight bumps 5 are installed in the middle of the sealing shell 11 movably at an equal angle. The inner side of the eight bumps 5 The transmission rod 6 is movably installed respectively, the middle of the transmission rod 6 is fixedly installed with a No. 2 spring 7, the upper and lower parts of the inner end of the transmission rod 6 are respectively movably installed with a support rod 9, and the inner side of the sealing shell 11 is fixedly installed with eight equiangular rings. Bit block 8.

Among them, the top and bottom of the sealing shell 11 are respectively fixed with a sealing gasket 2, and the outer part of the sealing shell 11 is fixedly sleeved with a protective shell 1, which is designed to effectively prevent corrosion at the interface. When the pipeline is not properly sealed, water will flow out through the gap. When the sealing gasket 2 is used, the water will not be in contact with the interface of the pipeline, resulting in corrosion and corrosion of the interface of the pipeline through water, reducing the service life.

Among them, the number of the gaskets 2 is two, the gaskets 2 are made of water-swellable rubber strips, and the gaskets 2 are respectively fixed on the top and bottom of the sealing shell 11 and located inside the protective shell 1, so that the design is convenient for water seepage. For secondary sealing, when the water flows out through the gap, the gasket 2 will absorb it. According to the characteristics of the gasket 2, it will expand when it encounters water, and will seal the water seepage.

Among them, the convex block 5 is a conical cylinder, the convex block 5 is located at the bottom of the nut 4, the bottom of the nut 4 is arc-shaped, the nut 4 is a hexagonal column, and the inner side of the nut 4 is provided with a thread, through the nut 4 to the pipe interface To seal, move the nut 4 downward through the screw. During the movement of the nut 4, the bottom of the nut 4 will squeeze the bump 5, so that the bump 5 moves inward to seal the pipe.

Among them, the number of support rods 9 is two, the right ends of the two support rods 9 are movable on the inner end of the transmission rod 6 and located inside the limit block 8, and the left end of the support rod 9 is fixed on the upper and lower sides of the sealing ring 10, so designed It is convenient to unfold the sealing ring 10, and has a better sealing effect on the interface of the pipeline. By moving the bump 5 inward, the transmission rod 6 is moved inward, and the support rod 9 passes through the limit while the transmission rod 6 moves. The position block 8 is spread up and down, and the sealing ring 10 is attached to the inner wall of the pipe.

Among them, the sealing ring 10 is made of rubber material, the sealing ring 10 is in the shape of "C", the sealing ring 10 is annularly fixed on the inner side of the sealing shell 11, and the sealing ring 10 is easily stretched by the characteristics of the sealing ring 10, which has a good effect on the pipeline. For better sealing effect, the sealing ring 10 is flatly laid with the interface of the pipeline through the support rod 9 .

The working principle and use process of the utility model:

When installing the water pipeline, place the sealing shell 11 at the interface of the water pipeline, and fix it with the screw. When the screw is placed inside the nut 4, the bottom of the screw will push the nut 4 to move, and the No. 1 spring 3 will be stretched, during the movement of nut 4, it will push the bump 5 to move inward, the transmission rod 6 will move inward, the second spring 7 will be compressed, and the transmission rod 6 will move inward at the same time. Push the support rod 9 to expand up and down, and the limit block 8 will limit and guide the support rod 9, so that the two support rods 9 are expanded upward and downward respectively, and at the same time, the sealing ring 10 will be driven to expand, and the support rod 9 will stick to the At the same time, it drives the sealing ring 10 to fit on the inner wall of the pipeline. When water seeps at the pipe interface, the sealing gasket 2 will absorb the seeped water, and the gasket 2 absorbs water and expands, and the sealing gasket 2 absorbs water and expands. gaps are sealed.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A rubber seal structure with good wear resistance, comprising a sealing shell (11), characterized in that: the inner upper end of the sealing shell (11) is movably installed with eight nuts (4) in a ring shape at an equal angle, A No. 1 spring (3) is fixedly installed on the upper ends of the eight said nuts (4) respectively, a sealing ring (10) is fixedly installed on the inner side of the sealing shell (11), and the inner ring in the middle of the sealing shell (11), etc. Eight bumps (5) are installed movably at an angle, transmission rods (6) are installed on the inner sides of the eight bumps (5) movably respectively, and No. 2 springs ( 7), support rods (9) are respectively movably installed up and down the inner end of the transmission rod (6), and eight limit blocks (8) are fixedly installed in the inner side of the sealing shell (11). 2 . The rubber seal structure with good wear resistance according to claim 1 , characterized in that: the top and bottom of the sealing shell ( 11 ) are respectively fixed with sealing gaskets ( 2 ), and the The outer fixed sleeve of the sealing shell (11) is connected with a protective shell (1). 3. A rubber seal structure with good wear resistance according to claim 2, characterized in that: the number of the sealing pads (2) is two, and the sealing pads (2) are formed by contacting water. The gaskets (2) are respectively fixed on the top and bottom of the sealing shell (11) and are located inside the protective shell (1). 4. A rubber seal structure with good wear resistance according to claim 1, characterized in that: the protrusion (5) is a conical cylinder, and the protrusion (5) is located on the nut (4). ), the bottom of the nut (4) is arc-shaped, the nut (4) is a hexagonal column, and the inner side of the nut (4) is provided with threads. 5. A rubber seal structure with good wear resistance according to claim 1, characterized in that: the number of the support rods (9) is two, and the number of the two support rods (9) is two. The right end moves at the inner end of the transmission rod (6) and is located inside the limit block (8), and the left end of the support rod (9) is fixed on the upper and lower sides of the sealing ring (10). 6. A rubber seal structure with good wear resistance according to claim 1, characterized in that: the sealing ring (10) is made of rubber material, and the sealing ring (10) is "C" ” shape, the sealing ring (10) is annularly fixed on the inner side of the sealing shell (11).

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