CN213981977U - Novel NMY sealing member - Google Patents

Abstract

The utility model discloses a novel NMY sealing member, including the basilar part, the basilar part top outside is equipped with outer lip, and the outer lip outside is equipped with the perpendicular, and first inclined plane is connected to the perpendicular below, and basilar part top inboard is equipped with the inner lip, and the inner lip inboard is equipped with the second inclined plane, is equipped with the slot between outer lip and the inner lip. The utility model discloses NMY sealing member, the basilar part, outer lip and inner lip are the component that adopts the polyurethane material to make, it is thermal-insulated to have, antidetonation, low temperature resistant, wear-resisting, ageing-resistant, hardness is high and elastic characteristics, the bulge of outer lip and inner lip at first contacts with the extrusion object, then contact with sealing member main part position, the leakproofness has been improved, outer lip highly is greater than inner lip height, when receiving pressure, outer lip is at first stressed deformation, play the guard action to inner lip effectively, prevent inner lip damage, thereby reach life and the sealing performance that has the improvement sealing member, effectively prevent stress concentration's effect.

Description

Novel NMY sealing member

Technical Field

The utility model relates to a sealed technical field specifically is a novel NMY 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 machine equipment, although the sealing element is small, the sealing element has the function of becoming a basic part and a fitting in national economy major industries such as national defense, chemical industry, petroleum, coal, transportation, mechanical manufacturing and the like, plays a very important role in the development of national economy, is a major economic type of the industry, has higher market concentration, and keeps two-digit growth along with the high-speed growth of economy in recent years, but only the sealing element can not meet the requirements of other industries on various sealing products in standardized and serialized products, the requirements of people on sealing are increasingly strict, the sealing element on the market often lacks elasticity and resilience, and easily causes object leakage, the sealing performance is poor, the manufacturing process is simple, the replacement is frequent, the long-term use cannot be guaranteed, and a novel NMY sealing element is designed aiming at the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel NMY sealing member has life and the sealing performance who improves the sealing member, effectively prevents stress concentration's advantage, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel NMY sealing member, includes the basilar part, the basilar part top outside is equipped with outer lip, and the outer lip outside is equipped with the perpendicular, and the perpendicular below is connected with first inclined plane, and the perpendicular top is connected with first horizontal plane, and basilar part top inboard is equipped with interior lip, and interior lip inboard is equipped with the second inclined plane, and second inclined plane top is connected with the second horizontal plane, is equipped with the slot between outer lip and the interior lip.

Preferably, the base portion is annular and the groove is V-shaped.

Preferably, the outer side of the outer lip protrudes from the outer side of the base portion.

Preferably, the height of the outer lip is greater than the height of the inner lip.

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

the utility model discloses NMY sealing member, the slot is the V-arrangement, and slot bottom rounding off, the basilar part, outer lip and inner lip are the component that adopts the polyurethane material to make, it is thermal-insulated to have, antidetonation, low temperature resistant, it is wear-resisting, ageing-resistant, hardness is high and elastic characteristics, the bulge and the basilar part outside rounding off of outer lip, the bulge of outer lip and inner lip can at first contact with the extrusion object, then contact with sealing member main part, the sealing performance of sealing member has been improved, prevent stress concentration effectively, the height that highly is greater than the inner lip of outer lip, when receiving pressure, outer lip is at first stressed deformation, can play the guard action to inner lip effectively, prevent the inner lip damage, thereby reach the life and the sealing performance that have the improvement sealing member, effectively prevent the effect of stress concentration.

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 base portion; 2. an outer lip; 3. a vertical plane; 4. a first inclined plane; 5. a first horizontal plane; 6. an inner lip; 7. a second inclined plane; 8. a second horizontal plane; 9. and (4) a 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 NMY sealing element comprises a base portion 1, wherein the base portion 1 is annular, an outer lip 2 is arranged on the outer side of the upper portion of the base portion 1, a vertical surface 3 is arranged on the outer side of the outer lip 2, a first inclined surface 4 is connected below the vertical surface 3, a first horizontal surface 5 is connected above the vertical surface 3, an inner lip 6 is arranged on the inner side of the upper portion of the base portion 1, a second inclined surface 7 is arranged on the inner side of the inner lip 6, a second horizontal surface 8 is connected above the second inclined surface 7, a groove 9 is arranged between the outer lip 2 and the inner lip 6, the groove 9 is V-shaped, the bottom of the groove 9 is smooth and excessive, the base portion 1, the outer lip 2 and the inner lip 6 are all members made of polyurethane, and have the characteristics of heat insulation, shock resistance, low temperature resistance, wear resistance, aging resistance, high hardness and elasticity, the outer side of the outer lip 2 protrudes out of the base portion 1, the protruding portion of the outer lip 2 is smooth and excessive with the outer side of the base portion 1, the bulge of outer lip 2 and inner lip 6 can at first contact with the extrusion object, then with the contact of sealing member main part position, has improved the sealing performance of sealing member, prevents stress concentration effectively, and outer lip 2 highly is greater than the height of inner lip 6, and when receiving pressure, outer lip 2 is at first stressed deformation, can play the guard action to inner lip 6 effectively, prevents the damage of inner lip 6, improves the life of sealing member.

In summary, the following steps: in the NMY sealing element, the groove 9 is V-shaped, the bottom of the groove 9 is smooth and excessive, the basal part 1, the outer lip 2 and the inner lip 6 are all members made of polyurethane material, and the sealing element has the characteristics of heat insulation, shock resistance, low temperature resistance, wear resistance, aging resistance, high hardness and elasticity, the convex part of the outer lip 2 is smooth and excessive with the outer side of the basal part 1, the convex parts of the outer lip 2 and the inner lip 6 can firstly contact with an extruded object, then contacts with the main body of the sealing element, improves the sealing performance of the sealing element, effectively prevents stress concentration, ensures that the height of the outer lip 2 is greater than that of the inner lip 6, when the pressure is applied, the outer lip 2 is firstly deformed under pressure, which can effectively protect the inner lip 6 and prevent the inner lip 6 from being damaged, therefore, the effects of prolonging the service life and improving the sealing performance of the sealing element and effectively preventing stress concentration are achieved.

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 (4)

1. The utility model provides a novel NMY sealing member, includes basilar part (1), a serial communication port, basilar part (1) top outside is equipped with outer lip (2), outer lip (2) outside is equipped with perpendicular (3), perpendicular (3) below is connected with first inclined plane (4), perpendicular (3) top is connected with first horizontal plane (5), basilar part (1) top inboard is equipped with inner lip (6), inner lip (6) inboard is equipped with second inclined plane (7), second inclined plane (7) top is connected with second horizontal plane (8), be equipped with slot (9) between outer lip (2) and inner lip (6).

2. A novel NMY seal according to claim 1, wherein the base portion (1) is annular and the groove (9) is V-shaped.

3. A novel NMY seal according to claim 1, characterized in that the outside of the outer lip (2) protrudes outside the base part (1).

4. A novel NMY seal according to claim 1, characterized in that the outer lip (2) has a greater height than the inner lip (6).

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