Novel spring seal sealing ring

Abstract

The utility model provides a novel spring seal sealing ring, and belongs to the technical field of machinery. The problems that an existing spring plug sealing ring is poor in sealing effect and short in service life are solved. The novel spring plug sealing ring comprises an annular body, an annular framework is arranged in the middle of the body, the body comprises a supporting part located on the outer side and a sealing part located on the inner side, the framework is located in the supporting part, a plurality of protruding sealing lips are arranged on the inner side wall of the sealing part, the sealing lips and the body are coaxially arranged, and the framework is made of carbon fibers. The novel spring plug sealing ring has the advantages of being good in sealing effect and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical technical field relates to a sealing ring, in particular to a new type of generic seal sealing ring. BACKGROUND

[0002] The generic seal sealing ring is a high-performance sealing element with an elastic element in a sealing shell. The appropriate elastic force of the elastic element and the system fluid pressure push the sealing lip out and press the sealed metal surface to generate a sealing effect. The actuation effect of the elastic element can overcome the slight eccentricity of the metal mating surface and the wear of the sealing lip, and continuously maintain the expected sealing performance.

[0003] The generic seal sealing ring is applied in the fields of oil, water, steam, air, solvents, medicines, food, acids and bases, and chemical solutions. Various elastic elements are used to overcome the elasticity problem of the sealing shell, and a large number of replaceable sealing rings for static or dynamic applications are developed. By replacing the reasonable sealing shell material and supporting elastic element and using professional sealing design, the temperature range of the generic seal can reach -200℃ to 260℃, the pressure can be from vacuum to ultra-high pressure 200Mpa, and the linear speed can be as high as 15m / s. It can be applied to various high and low temperature corrosive fluids. However, in the case of high pressure, reciprocating or rotary motion can easily displace the elastic element, affecting the sealing effect of the sealing ring, so it is necessary to improve it.

[0004] A double-layer spring generic seal sealing ring disclosed in Chinese patent document (application number: 202320533716.2) includes a main body, an inner lip is arranged on the inner side of the main body, an outer lip is arranged on the outer side of the main body, a containing groove is arranged between the outer lip and the inner lip, an elastic element is arranged in the containing groove, the containing groove is provided with a limiting structure, the elastic element is arranged at the connecting position of the limiting structure and the containing groove (4), and the limiting structure limits the elastic element in the containing groove. However, the sealing effect of the double-layer spring generic seal sealing ring is not ideal, and the spring is prone to rust after long-term use, which affects the service life. SUMMARY

[0005] The utility model aims at the above problems existing in prior art, and provides a new type of generic seal sealing ring with good sealing effect and long service life.

[0006] The utility model discloses a new type of generic seal sealing ring, which comprises a ring-shaped body, a ring-shaped framework is arranged in the middle of the body, the body comprises a supporting part on the outer side and a sealing part on the inner side, and the framework is located in the supporting part.

[0007] The inner side wall of the sealing part is provided with a plurality of sealing lips, and the sealing lips are coaxially arranged with the body, so that the sealing ring has the advantages of good sealing effect, the skeleton is made of carbon fiber material, and has the advantages of good corrosion resistance and long service life.

[0008] In the novel pan seal sealing ring, the cross section of the skeleton is L-shaped.

[0009] In the novel pan seal sealing ring, the upper end of the body has an outer taper surface. The outer side of the body has an outer taper surface, which is convenient to install and has good elasticity, improving the sealing effect.

[0010] In the novel pan seal sealing ring, the sealing lip includes a sealing lip one and a sealing lip two, the sealing lip one is located on the upper side of the sealing lip two, and a first recess is arranged between the sealing lip one and the sealing lip two.

[0011] In the novel pan seal sealing ring, the outer side of the sealing part is provided with an annular groove, and the annular groove is used to accommodate the retainer. By arranging the annular groove to accommodate the retainer, the retainer has a good positioning effect.

[0012] In the novel pan seal sealing ring, the inner side wall of the sealing part is provided with a sealing lip three, the sealing lip three is located on the upper side of the sealing lip one, and the angle between the sealing lip three and the vertical direction is 125°-145°.

[0013] In the novel pan seal sealing ring, the angle between the sealing lip three and the vertical direction is 135°.

[0014] In the novel pan seal sealing ring, the inner side wall of the lower end of the sealing part is provided with an inner taper surface.

[0015] In the novel pan seal sealing ring, the cross section of the skeleton is V-shaped.

[0016] In the novel pan seal sealing ring, the body is made of polytetrafluoroethylene material. Polytetrafluoroethylene, commonly known as polytetrafluoroethylene, is a high-performance polymer material with extremely high chemical corrosion resistance, extremely low friction coefficient and non-stickiness, excellent weather resistance, electrical properties and wide temperature range.

[0017] Compared with the prior art, the novel pan seal sealing ring has the following advantages:

[0018] 1. The inner side wall of the sealing part is provided with a plurality of sealing lips, and the sealing lips are coaxially arranged with the body, so that the sealing ring has the advantages of good sealing effect, the skeleton is made of carbon fiber material, and has the advantages of good corrosion resistance and long service life;

[0019] 2, the outside of the body has an outer taper surface, has convenient installation and better elasticity, improves the sealing effect;

[0020] 3, the outer side of the sealing part is provided with an annular groove, and the annular groove is used for sleeving the retainer, so that the retainer has a better positioning effect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a sectional view of the novel universal seal sealing ring.

[0022] Figure 2 is a sectional view of another mode of the novel universal seal sealing ring.

[0023] In the figure, 1, the body; 2, the framework; 3, the support part; 4, the sealing part; 5, the sealing lip; 5a, the sealing lip one; 5b, the sealing lip two; 5c, the recess one; 5d, the sealing lip three; 6, the outer taper surface; 7, the annular groove; 8, the inner taper surface. DETAILED DESCRIPTION

[0024] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings, but the present application is not limited to these embodiments.

[0025] As shown in the figure, Figure 1 The novel universal seal sealing ring comprises a ring-shaped body 1, the middle part of the body 1 is provided with a ring-shaped framework 2, the body 1 comprises a support part 3 located on the outer side and a sealing part 4 located on the inner side, the framework 2 is located in the support part 3, the inner side wall of the sealing part 4 is a plurality of protruding sealing lips 5, the sealing lips 5 are coaxially arranged with the body 1, the body 1 is made of a tetrafluoro material, has extremely high chemical corrosion resistance, extremely low friction coefficient and non-stickiness, excellent weather resistance, electrical performance and wide use temperature range. The cross section of the framework 2 is L-shaped and the material of the framework 2 is carbon fiber.

[0026] The upper end of the body 1 has an outer taper surface 6, and the inner side wall of the lower end of the sealing part 4 is provided with an inner taper surface 8, which has convenient installation and better elasticity, improves the sealing effect.

[0027] The sealing lip 5 comprises a sealing lip one 5a and a sealing lip two 5b, the sealing lip one 5a is located on the upper side of the sealing lip two 5b, and the sealing lip one 5a and the sealing lip two 5b are provided with a recess one 5c. The outer side of the sealing part 4 is provided with an annular groove 7, and the annular groove 7 is used for sleeving the retainer.

[0028] The inner side wall of the sealing part 4 is provided with a sealing lip three 5d, the sealing lip three 5d is located on the upper side of the sealing lip one 5a, and the included angle A between the sealing lip three 5d and the vertical direction is 125°-145°. As a preferred, the included angle A between the sealing lip three 5d and the vertical direction is 135°.

[0029] As another way, as shown in the drawings, the cross section of the skeleton 2 is V-shaped, has good support effect, and improves the sealing effect. Figure 2

[0030] Because the inner side wall of the sealing part 4 is provided with a plurality of sealing lips 5, the sealing lips 5 are coaxially arranged with the body 1, so that the sealing ring has the advantage of good sealing effect. The skeleton 2 is made of carbon fiber material, has the advantages of good corrosion resistance and long service life. The outer side of the sealing part 4 is provided with an annular groove 7, and the annular groove 7 is used for sleeving the retainer, which has a good positioning effect on the retainer.

[0031] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0032] Although the terms body 1, skeleton 2, support part 3, sealing part 4, sealing lip 5, sealing lip 5a, sealing lip 5b, give way groove 5c, sealing lip 5d, outer taper surface 6, annular groove 7, inner taper surface 8, etc. are used more frequently herein, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any additional limitation is contrary to the spirit of the present application.​

Claims

1. A new type of pan-seal seal ring, comprising a ring-shaped body (1), the middle part of the body (1) is provided with a ring-shaped skeleton (2), the body (1) comprises a supporting part (3) located on the outer side and a sealing part (4) located on the inner side, the skeleton (2) is located in the supporting part (3), characterized in that, The inner side wall of the sealing part (4) is a plurality of convex sealing lips (5), the sealing lips (5) are coaxially arranged with the body (1), and the material of the framework (2) is carbon fiber.

2. The novel panseal seal ring of claim 1, wherein, The cross section of the framework (2) is L-shaped.

3. The novel panseal seal ring of claim 1, wherein, The upper end of the body (1) has an outer taper surface (6).

4. The novel panseal seal ring as claimed in claim 1 or 2 or 3, wherein, The sealing lips (5) include a first sealing lip (5a) and a second sealing lip (5b), the first sealing lip (5a) is located on the upper side of the second sealing lip (5b), and a first clearance groove (5c) is arranged between the first sealing lip (5a) and the second sealing lip (5b).

5. The novel panseal seal ring as claimed in claim 1 or 2 or 3, wherein, The outer side of the sealing part (4) is provided with an annular groove (7), and the annular groove (7) is used for sleeving a retainer.

6. The novel panseal seal ring as claimed in claim 1 or 2 or 3, wherein, The inner side wall of the sealing part (4) is provided with a third sealing lip (5d), the third sealing lip (5d) is located on the upper side of the first sealing lip (5a), and the included angle between the third sealing lip (5d) and the vertical direction is 125°-145°.

7. The novel panseal seal ring of claim 6, wherein, The included angle between the third sealing lip (5d) and the vertical direction is 135°.

8. The novel panseal seal ring as claimed in claim 1 or 2 or 3, wherein, The inner side wall of the lower end of the sealing part (4) is provided with an inner taper surface (8).

9. The novel panseal seal ring as claimed in claim 1 or 2 or 3, wherein, The cross section of the framework (2) is V-shaped.

10. The novel panseal seal ring as claimed in claim 1 or 2 or 3, wherein, The body (1) is made of a tetrafluoride material.

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