CN213981975U

CN213981975U - A new type of PSD seal

Info

Publication number: CN213981975U
Application number: CN202022556845.2U
Authority: CN
Inventors: 孙兆全
Original assignee: Osaka Industrial Research Institute Guangzhou Co ltd
Current assignee: Osaka Industrial Research Institute Guangzhou Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-17
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a novel PSD seal, comprising a seal body, wherein the seal body consists of a first inclined surface, a first horizontal surface, a first upper lip, a second upper lip, a second horizontal surface, a second inclined surface, a first A curved surface, a second curved surface, a third inclined surface, a first base portion, a first lower lip, a second lower lip, a second base portion and a fourth inclined surface are formed. This new type of PSD seal, the body of the seal is a component made of polytetrafluoroethylene material, which has the characteristics of heat resistance, cold resistance, acid resistance and alkali resistance, and achieves the effect of good thermal conductivity and rapid heat dissipation. , the first lower lip and the second lower lip and the first upper lip and the second upper lip are stressed at the same time, which improves the service life of the seal body, so as to improve the sealing performance, effectively prevent stress concentration, and prolong the use. effect of life.

Description

Novel PSD sealing element

Technical Field

The utility model relates to a sealing member technical field specifically is a novel PSD sealing member.

Background

The sealing element is a material or a part for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading parts inside the machine equipment, although the sealing element is small, the sealing element has the effect that the sealing element becomes a basic part and accessories in national economy main industries such as national defense, chemical engineering, petroleum, coal, transportation, mechanical manufacturing and the like, and mechanical equipment can generate larger temperature in the working process and easily cause a gap between the sealing element and a sealing port, so that the sealing property is reduced, the sealing element is usually subjected to larger pressure, if the sealing element cannot rebound in time after being extruded, the deformation is easily caused, the service life is shortened, and aiming at the defects, the novel PSD sealing element is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel PSD sealing member has the improvement sealing performance, prevents stress concentration effectively, and the problem among the prior art has been solved to increase of service life's advantage.

In order to achieve the above object, the utility model provides a following technical scheme: a novel PSD sealing element comprises a sealing element body, wherein the sealing element body is composed of a first inclined plane, a first horizontal plane, a first upper lip, a second horizontal plane, a second inclined plane, a first curved surface, a second curved surface, a third inclined plane, a first basal part, a first lower lip, a second basal part and a fourth inclined plane, the first upper lip is arranged on the outer side above the first horizontal plane, the first inclined plane is arranged on the outer side of the first upper lip, the first curved surface is fixedly connected below the first inclined plane, the third inclined plane is fixedly connected below the first curved surface, the first basal part is fixedly connected with the bottom end of the third inclined plane, the first lower lip is arranged on the outer side below the first basal part, the second upper lip is arranged on the outer side above the second horizontal plane, a first pressure supporting groove is arranged between the second upper lip and the first upper lip, the second inclined plane is provided with the second inclined plane, the second inclined plane is fixedly connected with the second curved surface, the second curved surface fixedly connected with fourth inclined plane, fourth inclined plane bottom fixedly connected with second basement portion, second basement portion below outside is equipped with the second and descends the lip, is equipped with the second pressure support groove between second lower lip and the first lip.

Preferably, the first pressure support groove and the second pressure support groove are both V-shaped.

Preferably, the first upper lip and the second upper lip are the same in height, and the first upper lip and the second upper lip are symmetrically arranged on two sides of the first pressure supporting groove.

Preferably, the first lower lip and the second lower lip are the same in height, and the first lower lip and the second lower lip are symmetrically arranged on two sides of the second pressure supporting groove.

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

this novel PSD sealing member, the sealing member body is the component that adopts polytetrafluoroethylene material to make, have heat-resisting, cold-resistant, the anti alkali characteristics of antiacid, the coefficient of friction is extremely low, reach the good and quick radiating effect of heat conductivity, when receiving pressure, first lip and second lip and first lip and second are gone up the lip and are atress simultaneously, prevent simultaneous compression deformation, pressure has been alleviated, the life of sealing member body has been improved, first lip, the second is gone up the lip, the bulge of first lip and second lip can at first contact with the extrusion object, then contact with sealing member main part position, thereby reach and have improvement sealing performance, prevent stress concentration effectively, increase of service life's effect.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a partial view of the present invention.

In the figure: 1. a seal body; 2. a first inclined plane; 3. a first horizontal plane; 4. a first upper lip; 5. a second upper lip; 6. a second horizontal plane; 7. a second inclined plane; 8. a first curved surface; 9. a second curved surface; 10. a third inclined plane; 11. a first base section; 12. a first lower lip; 13. a second lower lip; 14. a second base portion; 15. a fourth slope; 16. a first pressure support groove; 17. a second pressure support groove.

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.

Referring to fig. 1-3, a novel PSD sealing member comprises a sealing member body 1, the sealing member body 1 is a member made of polytetrafluoroethylene, and has the characteristics of heat resistance, cold resistance, acid and alkali resistance, and has an extremely low friction coefficient, so as to achieve the effects of good thermal conductivity and rapid heat dissipation, the sealing member body 1 is composed of a first inclined plane 2, a first horizontal plane 3, a first upper lip 4, a second upper lip 5, a second horizontal plane 6, a second inclined plane 7, a first curved surface 8, a second curved surface 9, a third inclined plane 10, a first base part 11, a first lower lip 12, a second lower lip 13, a second base part 14 and a fourth inclined plane 15, the first upper lip 4 is arranged on the outer side above the first horizontal plane 3, the first inclined plane 2 is arranged on the outer side of the first upper lip 4, the first curved surface 8 is fixedly connected below the first inclined plane 2, the third inclined plane 10 is fixedly connected below the first curved surface 8, the bottom end of the third inclined plane 10 is fixedly connected with a first base part 11, a first lower lip 12 is arranged on the outer side below the first base part 11, a second upper lip 5 is arranged on the outer side above a second horizontal plane 6, a first pressure supporting groove 16 is arranged between the second upper lip 5 and the first upper lip 4, the heights of the first upper lip 4 and the second upper lip 5 are the same, the first upper lip 4 and the second upper lip 5 are symmetrically arranged on two sides of the first pressure supporting groove 16, a second inclined plane 7 is arranged on the outer side of the second upper lip 5, the second inclined plane 7 is fixedly connected with a second curved surface 9, the second curved surface 9 is fixedly connected with a fourth inclined plane 15, the bottom end of the fourth inclined plane 15 is fixedly connected with a second base part 14, a second lower lip 13 is arranged on the outer side below the second base part 14, a second pressure supporting groove 17 is arranged between the second lower lip 13 and the first lower lip 12, the heights of the first lower lip 12 and the second lower lip 13 are the same, when receiving pressure, first lower lip 12 and second lower lip 13 and first upper lip 4 and the stress of second upper lip 5 simultaneously, prevent simultaneous compressive deformation, the pressure has been alleviated, the life of sealing member body 1 has been improved, and first lower lip 12 and second lower lip 13 symmetry set up in second pressure support groove 17 both sides, first pressure support groove 16 and second pressure support groove 17 all are the V-arrangement, first upper lip 4, second upper lip 5, the bulge of first lower lip 12 and second lower lip 13 can at first contact with the extrusion object, then contact with sealing member main part, sealing performance has been improved, prevent stress concentration effectively.

In summary, the following steps: this novel PSD sealing member, sealing member body 1 is a component that adopts the polytetrafluoroethylene material to make, it is heat-resisting, cold-resistant, the characteristics of antiacid alkali-resistant have, coefficient of friction is extremely low, reach the good and quick radiating effect of heat conductivity, when receiving pressure, lip 5 atress simultaneously on first 12 lower lips and second 13 lower lips and first upper lip 4 and the second, prevent simultaneous compression deformation, the pressure has been alleviated, sealing member body 1's life has been improved, first upper lip 4, lip 5 on the second, the bulge of first 12 lower lips and second 13 lower lip can at first contact with the extrusion object, then contact with sealing member main part, thereby reach and have improvement sealing performance, prevent stress concentration effectively, increase of service life's effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A novel PSD seal, comprising a seal body (1), characterized in that the seal body (1) consists of a first inclined surface (2), a first horizontal surface (3), a first upper lip (4) ), the second upper lip (5), the second horizontal surface (6), the second inclined surface (7), the first curved surface (8), the second curved surface (9), the third inclined surface (10), the first base ( 11), a first lower lip (12), a second lower lip (13), a second base (14) and a fourth inclined surface (15), and a first upper lip is provided above and outside the first horizontal plane (3). mouth (4), a first inclined surface (2) is provided on the outside of the first upper lip (4), a first curved surface (8) is fixedly connected below the first inclined surface (2), and a first curved surface (8) is fixedly connected below the first curved surface (8). Three inclined surfaces (10), the bottom end of the third inclined surface (10) is fixedly connected with a first base (11), a first lower lip (12) is provided on the lower and outer sides of the first base (11), and the second horizontal surface (6 ) is provided with a second upper lip (5) on the outer side, a first pressure support groove (16) is arranged between the second upper lip (5) and the first upper lip (4), and a first pressure support groove (16) is arranged on the outer side of the second upper lip (5). There is a second inclined surface (7), the second inclined surface (7) is fixedly connected with a second curved surface (9), the second curved surface (9) is fixedly connected with a fourth inclined surface (15), and the bottom end of the fourth inclined surface (15) is fixedly connected There is a second base (14), a second lower lip (13) is provided below the second base (14) and a second lower lip (13) is provided between the second lower lip (13) and the first lower lip (12). The second pressure support groove (17).

2 . The novel PSD seal according to claim 1 , wherein the first pressure support groove ( 16 ) and the second pressure support groove ( 17 ) are both V-shaped. 3 .

3. A new type of PSD seal according to claim 1, wherein the first upper lip (4) and the second upper lip (5) have the same height, and the first upper lip (4) and the second upper lip (4) have the same height. The second upper lip (5) is symmetrically arranged on both sides of the first pressure support groove (16).

4. A new type of PSD seal according to claim 1, characterized in that the first lower lip (12) and the second lower lip (13) have the same height, and the first lower lip ( 12) and the second lower lip (13) are symmetrically arranged on both sides of the second pressure support groove (17).