阅读说明：本技术 一种抗菌橡胶密封件及其制备方法 (Antibacterial rubber sealing element and preparation method thereof ) 是由 王晓玉 朱金强 于 2020-04-30 设计创作，主要内容包括：本发明属于密封件技术领域,具体的说是一种抗菌橡胶密封件及其制备方法；包括密封件主体,所述密封件主体顶部开设有环形槽,环形槽内侧的所述密封件主体上开设有圆台槽；本发明通过密封件主体对盖子与筒状物体的缝隙进行密封,液态油会冲击密封件主体时,一部分液态油进入到圆台槽内,由于圆台槽顶部处的密封件主体的阻挡,液态油向周向扩散,对密封件主体的外表面出有水平方向的冲击力,同时一部分液态油会进入到八字环槽内,一方面对底部的密封件主体有向下的压力,对由下向上冲击到密封件主体的力有反向推动的作用,另一方面能够对密封件主体的外表面出有水平方向的冲击力,通过上述力的相互作用,提高了密封的效果。(The invention belongs to the technical field of sealing elements, and particularly relates to an antibacterial rubber sealing element and a preparation method thereof; the sealing element comprises a sealing element main body, wherein an annular groove is formed in the top of the sealing element main body, and a circular table groove is formed in the sealing element main body on the inner side of the annular groove; according to the invention, the gap between the cover and the cylindrical object is sealed through the sealing element main body, when liquid oil can impact the sealing element main body, a part of liquid oil enters the circular truncated cone groove, and due to the blocking of the sealing element main body at the top of the circular truncated cone groove, the liquid oil is diffused towards the circumferential direction, so that horizontal impact force is exerted on the outer surface of the sealing element main body, meanwhile, a part of liquid oil enters the splayed circular groove, on one hand, downward pressure is exerted on the sealing element main body at the bottom, and the effect of pushing the force impacting the sealing element main body from bottom to top is achieved in a reverse direction, on the other hand, horizontal impact force can be exerted on the outer surface of the sealing element main body, and through the interaction of the forces.)

1. An antibacterial rubber seal characterized in that: the sealing element comprises a sealing element main body (1), wherein an annular groove (2) is formed in the top of the sealing element main body (1), a circular table groove (3) is formed in the sealing element main body (1) on the inner side of the annular groove (2), and the diameter of the top of the circular table groove (3) is larger than that of the bottom of the circular table groove; a splayed annular groove (4) is arranged in the sealing element main body (1) at the bottom of the annular groove (2), and the bottom end of the splayed annular groove (4) is close to the outer edge of the sealing element main body (1); the surface of the sealing element main body (1) is sprayed with a silver ion antibacterial agent.

2. The antimicrobial rubber seal of claim 1, wherein: thin annular groove (5) have been seted up to sealing member main part (1) bottom, and thin annular groove (5) are located splayed annular groove (4) below, thin annular groove (5) bottom is provided with rubber ring membrane (6), and the internal surface and the surface of rubber ring membrane (6) all link firmly with sealing member main part (1), and rubber ring membrane (6) are to the in-process that the vertical central line of sealing member main part (1) is close to, and its stiffness coefficient diminishes gradually.

3. An antimicrobial rubber seal according to claim 2, wherein: the bottom of the rubber ring membrane (6) is annularly and uniformly distributed with a plurality of triangular blocks (7), and one surface of each triangular block (7) close to the vertical center line of the sealing element main body (1) is a vertical plane.

4. An antimicrobial rubber seal according to claim 3, wherein: the triangle block (7) is close to the vertical plane of the sealing element main body (1) and is fixedly connected with a baffle (8), and the baffle (8) is close to the bottom of the triangle block (7).

5. An antimicrobial rubber seal according to claim 2, wherein: the sealing element is characterized in that a plurality of gravity balls (9) are arranged in the fine ring groove (5), and the top of each gravity ball (9) is not in contact with the sealing element main body (1) at the top of the fine ring groove (5).

6. A method for producing an antibacterial rubber seal member, which is applied to the rubber seal member according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:

s1: pouring molten rubber into a mould through the mould, and hardening the molten rubber to form a sealing element main body (1) with an annular groove (2), a circular truncated cone groove (3) and a fine annular groove (5);

s2: the sealing element main body (1) in the S1 is inversely placed on a workbench, a gravity ball (9) is placed in a fine ring groove (5), then a rubber ring film (6) is placed at the fine ring groove (5), the edge of the rubber ring film (6) is positioned outside the fine ring groove (5), the edge of the rubber ring film (6) is heated through a spray gun, and the edge of the rubber ring film (6) is fused with the bottom surface of the sealing element main body (1);

s3: the cutter is inserted into the position, corresponding to the splayed ring groove (4), in the circular table groove (3), and the cutter is rotated for a circle to cut the splayed ring groove (4) in the sealing element main body (1);

s4: and adhering the triangular blocks (7) to the baffle (8), melting the tops of the triangular blocks (7), adhering the molten triangular blocks (7) to the rubber ring membrane (6) along the circumferential direction, and then spraying the silver ion antibacterial agent on the formed whole to obtain the antibacterial rubber sealing element.

Technical Field

The invention belongs to the technical field of sealing elements, and particularly relates to an antibacterial rubber sealing element and a preparation method thereof.

Background

The rubber gasket has the performances of oil resistance, acid and alkali resistance, cold and heat resistance, aging resistance and the like, can be directly cut into sealing gaskets in various shapes, and is widely applied to the industries of medicine, electronics, chemical industry, antistatic property, flame retardance, food and the like; the application scenarios of the rubber gasket basically include static sealing and dynamic sealing, wherein the dynamic sealing can be divided into two categories: the dynamic sealing is usually accompanied by the friction between a workpiece and a rubber gasket to cause the abrasion of the rubber gasket, and finally the rubber gasket loses the sealing performance; and the static seal is divided into: gasket sealing, glue sealing, and contact sealing; the sealing forms are specifically divided into two main categories, static sealing between relatively static joint surfaces and dynamic sealing between relatively moving joint surfaces.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an antibacterial rubber sealing element and a preparation method thereof, and aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an antibacterial rubber sealing element comprises a sealing element main body, wherein an annular groove is formed in the top of the sealing element main body, a circular table groove is formed in the sealing element main body on the inner side of the annular groove, and the diameter of the top of the circular table groove is larger than that of the bottom of the circular table groove; a splayed ring groove is arranged in the sealing element main body at the bottom of the ring groove, and the bottom end of the splayed ring groove is close to the outer edge of the sealing element main body; the surface of the sealing element main body is sprayed with a silver ion antibacterial agent; when the sealing element works, after the tubular object is sealed by the existing sealing element, when liquid oil in the tubular object is vibrated, the sealing element is impacted, so that the friction between the sealing element and the inner wall of the tubular object can be caused, and when the sealing element is impacted for a long time, the looseness of the sealing element can be caused, so that the sealing effect can be reduced; the specific measures and the using process are as follows: the bottom of the sealing element main body is provided with a circular table groove with a big top and a small bottom, the sealing element main body outside the circular table groove is provided with a splayed annular groove, the splayed annular groove is in a splayed shape in longitudinal section and is an annular groove when the whole body is viewed from the top, after a cover of a cylindrical object is inserted into the annular groove of the sealing element main body, the cover is plugged into the cylindrical object, the outer edge of the sealing element main body is contacted with the inner wall of the cylindrical object, a gap between the cover and the cylindrical object can be sealed through the sealing element main body, when liquid oil in the cylindrical object moves up and down due to vibration, the liquid oil impacts the sealing element main body, a part of the liquid oil enters the circular table groove, after the liquid oil reaches the top of the circular table groove, due to the blocking of the sealing element main body at the top of the circular table groove, the liquid oil diffuses towards the circumferential direction and further has a force spreading towards the outer side, and a, meanwhile, in the splayed ring groove, a part of liquid oil entering the circular table groove can enter, on one hand, downward pressure is applied to the bottom sealing element main body, the force impacting the sealing element main body from bottom to top has the effect of reverse pushing, on the other hand, horizontal impact force can be generated on the outer surface of the sealing element main body, and through the interaction of the forces, the sealing element main body is more stable, the looseness of the sealing element is reduced, and the sealing effect is improved.

Preferably, the bottom of the sealing element main body is provided with a thin ring groove, the thin ring groove is positioned below the splayed ring groove, the bottom of the thin ring groove is provided with a rubber ring film, the inner surface and the outer surface of the rubber ring film are fixedly connected with the sealing element main body, and the stiffness coefficient of the rubber ring film is gradually reduced in the process of approaching to the vertical central line of the sealing element main body; when liquid oil in the cylindrical object moves up and down under the action of vibration and impacts the sealing element main body, a part of the liquid oil impacts the rubber ring membrane at the thin ring groove, the rubber ring membrane is extruded and deformed towards the thin ring groove, meanwhile, in the process that the rubber ring membrane approaches to the vertical center line of the sealing element main body, the stiffness coefficient of the rubber ring membrane is gradually reduced, the part, close to the inner surface, of the rubber ring membrane deforms upwards greatly, so that the rubber ring membrane finally becomes a circular truncated cone cylinder with a small upper part and a large lower part, on one hand, the liquid oil entering the deformed rubber ring membrane has a horizontal driving force on the outer surface of the sealing element main body, on the other hand, the liquid oil bounces back downwards under the blocking of the circular truncated cone cylinder rubber ring membrane and impacts the upward liquid oil at the edge close to the inner wall edge of the cylindrical object, and the upward impact force of the liquid oil at the edge on the edge of the, further make the sealing member main part more stable, reduce the not hard up of sealing member, improved sealed effect.

Preferably, a plurality of triangular blocks are annularly and uniformly distributed at the bottom of the rubber ring film, and one surface of each triangular block, which is close to a vertical center line of the sealing element main body, is a vertical plane; the rubber ring membrane after the deformation rebounds liquid oil, when the liquid oil is inclined downwards, due to the blocking of the triangular blocks, the rebounded liquid oil can push the triangular blocks in the horizontal direction, then the triangular blocks apply the pushing force to the sealing element main body, and then the sealing element main body is tightly extruded on the inner wall of the cylindrical object along the horizontal direction, so that the friction force between the sealing element main body and the cylindrical object is increased, and the looseness of the sealing element main body is reduced.

Preferably, the triangular block is fixedly connected with a baffle close to the vertical plane of the sealing element main body, and the baffle is close to the bottom of the triangular block; the baffle of three hornblocks bottom can be to rebounding back to strike the liquid oil of three hornblocks and have the effect of blockking, and then can make liquid oil when to the impact of three hornblocks, has to have stronger driving force to three hornblocks, and then can have bigger horizontal thrust to the sealing member main part, has increased the frictional force of sealing member main part with the tube-shape object, has reduced the not hard up of sealing member main part.

Preferably, a plurality of gravity balls are arranged in the fine ring groove, and the top of each gravity ball is not contacted with the sealing element main body at the top of the fine ring groove; on the one hand, when liquid oil from bottom to top is strikeed, liquid oil need promote the gravity ball and rise on the one hand, consumes the kinetic energy of partly liquid oil, and on the other hand, after liquid oil impacted rubber ring membrane, can promote the gravity ball to remove to the edge that is close to the sealing member main part, and then extrudees the edge of sealing member main part through the gravity ball, has better effect that compresses tightly to the sealing member main part.

A preparation method of an antibacterial rubber sealing element comprises the following steps:

s1: pouring molten rubber into the mold through the mold, and hardening the molten rubber to form a sealing element main body with an annular groove, a circular truncated cone groove and a fine annular groove;

s2: the sealing element main body in the S1 is inversely placed on a workbench, a gravity ball is placed in the thin ring groove, then a rubber ring film is placed at the thin ring groove, the edge of the rubber ring film is positioned outside the thin ring groove, and the edge of the rubber ring film is heated by a spray gun so that the edge of the rubber ring film and the bottom surface of the sealing element main body are fused together;

s3: inserting a cutter into the position, corresponding to the splayed annular groove, in the circular truncated cone groove, rotating the cutter for one circle, and cutting out a splayed annular groove from the sealing element main body;

s4: adhering a plurality of triangular blocks to a baffle, melting the tops of the triangular blocks, adhering the plurality of molten triangular blocks to a rubber ring film along the circumferential direction, and then spraying a silver ion antibacterial agent on the whole formed rubber ring film to obtain an antibacterial rubber sealing element; after all structures are produced and combined, the silver ion antibacterial agent is sprayed, so that all the outer surfaces of the structures have antibacterial effects.

The invention has the technical effects and advantages that:

1. according to the invention, the gap between the cover and the cylindrical object is sealed through the sealing element main body, when liquid oil impacts the sealing element main body, a part of liquid oil enters the circular truncated cone groove, and due to the blocking of the sealing element main body at the top of the circular truncated cone groove, the liquid oil is diffused towards the circumferential direction, so that horizontal impact force is exerted on the outer surface of the sealing element main body, meanwhile, a part of liquid oil enters the splayed circular groove, and on one hand, downward pressure is exerted on the sealing element main body at the bottom, so that the force impacting the sealing element main body from bottom to top is reversely pushed, on the other hand, horizontal impact force can be exerted on the outer surface of the sealing element main body, and through the interaction of the forces, the sealing element main body can be more stable, the looseness of the sealing element is.

2. When liquid oil impacts the rubber ring membrane at the thin ring groove, the rubber ring membrane is extruded and deformed towards the inside of the thin ring groove, meanwhile, in the process that the rubber ring membrane approaches to the vertical center line of the sealing element main body, the stiffness coefficient of the rubber ring membrane gradually decreases, the rubber ring membrane finally becomes a circular truncated cone shape with a small upper part and a large lower part, on one hand, the liquid oil entering the deformed rubber ring membrane has a horizontal driving force on the outer surface of the sealing element main body, on the other hand, the liquid oil is blocked by the circular truncated cone-shaped rubber ring membrane to bounce back downwards in an inclined mode and impacts the liquid oil approaching the upper part of the inner wall edge of the cylindrical object, the upward impact force of the liquid oil at the edge on the edge of the sealing element main body is reduced, the sealing element main body is further stabilized, the looseness of the sealing element is reduced, and the sealing effect.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective cross-sectional view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is an overall schematic view of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3 according to the present invention;

FIG. 5 is a flow chart of a manufacturing process of the present invention;

in the figure: the sealing element comprises a sealing element main body 1, an annular groove 2, a circular truncated cone groove 3, a splayed annular groove 4, a thin annular groove 5, a rubber annular film 6, a triangular block 7, a baffle 8 and a gravity ball 9.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the following embodiments are combined.

As shown in fig. 1-5, the antibacterial rubber sealing element provided by the invention comprises a sealing element main body 1, wherein an annular groove 2 is formed in the top of the sealing element main body 1, a circular truncated cone groove 3 is formed in the sealing element main body 1 on the inner side of the annular groove 2, and the diameter of the top of the circular truncated cone groove 3 is larger than that of the bottom of the circular truncated cone groove; a splayed annular groove 4 is arranged in the sealing element main body 1 at the bottom of the annular groove 2, and the bottom end of the splayed annular groove 4 is close to the outer edge of the sealing element main body 1; the surface of the sealing element main body 1 is sprayed with a silver ion antibacterial agent; when the sealing element works, after the tubular object is sealed by the existing sealing element, when liquid oil in the tubular object is vibrated, the sealing element is impacted, so that the friction between the sealing element and the inner wall of the tubular object can be caused, and when the sealing element is impacted for a long time, the looseness of the sealing element can be caused, so that the sealing effect can be reduced; the specific measures and the using process are as follows: the bottom of the sealing element main body 1 is provided with the circular table groove 3 with a big top and a small bottom, the sealing element main body 1 at the outer side of the circular table groove 3 is provided with the splayed annular groove 4, the splayed annular groove 4 is in a splayed shape in longitudinal section and is an annular groove when being integrally viewed from top, after a cover of a cylindrical object is inserted into the annular groove 2 of the sealing element main body 1, the cover is plugged into the cylindrical object, the outer edge of the sealing element main body 1 is contacted with the inner wall of the cylindrical object, namely, a gap between the cover and the cylindrical object can be sealed through the sealing element main body 1, when liquid oil in the cylindrical object is vibrated and moves up and down, the liquid oil impacts the sealing element main body 1, a part of the liquid oil enters the circular table groove 3, and when the liquid oil reaches the topmost part of the circular table groove 3, the liquid oil is diffused to the circumferential direction due to the blocking of the sealing element main body 1 at the top of the circular, the horizontal impact force is generated on the outer surface of the sealing element main body 1, meanwhile, a part of liquid oil entering the circular truncated cone groove 3 can enter the splayed ring groove 4, on one hand, the downward pressure is generated on the sealing element main body 1 at the bottom, the reverse pushing effect is generated on the force impacting the sealing element main body 1 from bottom to top, on the other hand, the horizontal impact force can be generated on the outer surface of the sealing element main body 1, through the interaction of the forces, the sealing element main body 1 can be more stable, the looseness of the sealing element is reduced, and the sealing effect is improved.

The bottom of the sealing element main body 1 is provided with a thin ring groove 5, the thin ring groove 5 is positioned below the splayed ring groove 4, the bottom of the thin ring groove 5 is provided with a rubber ring film 6, the inner surface and the outer surface of the rubber ring film 6 are fixedly connected with the sealing element main body 1, and the stiffness coefficient of the rubber ring film 6 is gradually reduced in the process of approaching to the vertical central line of the sealing element main body 1; when liquid oil in the cylindrical object moves up and down under the action of vibration and impacts the sealing element main body 1, a part of the liquid oil impacts the rubber ring membrane 6 at the thin ring groove 5 to extrude and deform the rubber ring membrane 6 into the thin ring groove 5, meanwhile, in the process that the rubber ring membrane 6 approaches to the vertical center line of the sealing element main body 1, the stiffness coefficient of the rubber ring membrane 6 is gradually reduced, so that the part, close to the inner surface, of the rubber ring membrane 6 deforms upwards greatly, the rubber ring membrane 6 finally becomes a circular truncated cone shape with a small upper part and a large lower part, on one hand, the liquid oil entering the deformed rubber ring membrane 6 has a horizontal driving force on the outer surface of the sealing element main body 1, on the other hand, the liquid oil is blocked by the circular truncated cone-shaped rubber ring membrane 6 to bounce downwards in a slant manner and impacts the liquid oil approaching the edge of the inner wall of the cylindrical object upwards, so that the upward impact force of the liquid oil at the edge on the edge of the, further make sealing member main part 1 more stable, reduce the not hard up of sealing member, improved sealed effect.

A plurality of triangular blocks 7 are annularly and uniformly distributed at the bottom of the rubber ring membrane 6, and one surface of each triangular block 7, which is close to the vertical center line of the sealing element main body 1, is a vertical plane; the rubber ring membrane 6 after deformation rebounds liquid oil, when the liquid oil is inclined downwards, due to the blocking of the triangular block 7, the rebounded liquid oil can have horizontal thrust on the triangular block 7, the triangular block 7 applies the thrust to the sealing element main body 1, the sealing element main body 1 is tightly extruded on the inner wall of the cylindrical object along the horizontal direction, the friction force between the sealing element main body 1 and the cylindrical object is increased, and the looseness of the sealing element main body 1 is reduced.

The triangular block 7 is fixedly connected with a baffle 8 close to the vertical plane of the sealing element main body 1, and the baffle 8 is close to the bottom of the triangular block 7; baffle 8 of triangle piece 7 bottom can be to rebounding back to strike the liquid oil of triangle piece 7 and have the effect of blockking, and then can make liquid oil when to the impact of triangle piece 7, have to have stronger driving force to triangle piece 7, and then can have bigger horizontal thrust to sealing member main part 1, has increased the frictional force of sealing member main part 1 with the tube-shape object, has reduced the not hard up of sealing member main part 1.

A plurality of gravity balls 9 are arranged in the fine ring groove 5, and the top of each gravity ball 9 is not contacted with the sealing element main body 1 at the top of the fine ring groove 5; on the one hand, when liquid oil from bottom to top is strikeed, liquid oil need promote gravity ball 9 and rise when liquid oil in thin annular groove 5 is strikeed, consumes the kinetic energy of partly liquid oil, and on the other hand, after liquid oil strikeed rubber ring membrane 6 on, can promote gravity ball 9 and remove to the edge that is close to sealing member main part 1, and then extrudees the edge of sealing member main part 1 through gravity ball 9, has better effect that compresses tightly to sealing member main part 1.

A preparation method of an antibacterial rubber sealing element comprises the following steps:

s1: pouring molten rubber into a mould through the mould, and hardening the molten rubber to form a sealing element main body 1 with an annular groove 2, a circular truncated cone groove 3 and a fine annular groove 5;

s2: inversely placing the sealing element main body 1 in the S1 on a workbench, placing a gravity ball 9 in the fine ring groove 5, then placing a rubber ring film 6 at the fine ring groove 5, enabling the edge of the rubber ring film 6 to be positioned at the outer side of the fine ring groove 5, and heating the edge of the rubber ring film 6 through a spray gun to enable the edge of the rubber ring film 6 and the bottom surface of the sealing element main body 1 to be fused together;

s3: inserting a cutter into the position, corresponding to the splayed ring groove 4, in the circular truncated cone groove 3, rotating the cutter for one circle, and cutting the splayed ring groove 4 in the sealing element main body 1;

s4: adhering a plurality of triangular blocks 7 to a baffle plate 8, melting the tops of the triangular blocks 7, adhering the plurality of molten triangular blocks 7 to a rubber ring membrane 6 along the circumferential direction, and then spraying a silver ion antibacterial agent on the whole formed body to obtain an antibacterial rubber sealing element; after all structures are produced and combined, the silver ion antibacterial agent is sprayed, so that all the outer surfaces of the structures have antibacterial effects.

When the sealing element works, after the tubular object is sealed by the existing sealing element, when liquid oil in the tubular object is vibrated, the sealing element is impacted, so that the friction between the sealing element and the inner wall of the tubular object can be caused, and when the sealing element is impacted for a long time, the looseness of the sealing element can be caused, so that the sealing effect can be reduced; the specific measures and the using process are as follows: the bottom of the sealing element main body 1 is provided with the circular table groove 3 with a big top and a small bottom, the sealing element main body 1 at the outer side of the circular table groove 3 is provided with the splayed annular groove 4, the splayed annular groove 4 is in a splayed shape in longitudinal section and is an annular groove when being integrally viewed from top, after a cover of a cylindrical object is inserted into the annular groove 2 of the sealing element main body 1, the cover is plugged into the cylindrical object, the outer edge of the sealing element main body 1 is contacted with the inner wall of the cylindrical object, namely, a gap between the cover and the cylindrical object can be sealed through the sealing element main body 1, when liquid oil in the cylindrical object is vibrated and moves up and down, the liquid oil impacts the sealing element main body 1, a part of the liquid oil enters the circular table groove 3, and when the liquid oil reaches the topmost part of the circular table groove 3, the liquid oil is diffused to the circumferential direction due to the blocking of the sealing element main body 1 at the top of the circular, the horizontal impact force is generated on the outer surface of the sealing element main body 1, meanwhile, a part of liquid oil entering the circular truncated cone groove 3 can enter the splayed ring groove 4, on one hand, the downward pressure is generated on the sealing element main body 1 at the bottom, the reverse pushing effect is generated on the force impacting the sealing element main body 1 from bottom to top, on the other hand, the horizontal impact force can be generated on the outer surface of the sealing element main body 1, through the interaction of the forces, the sealing element main body 1 can be more stable, the looseness of the sealing element is reduced, and the sealing effect is improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.