Compression-resistant sealing ring

Abstract

The utility model relates to the technical field of sealing rings, and discloses a compression-resistant sealing ring which comprises a sealing main body and a positioning convex ring, a buffering cavity is formed in the inner side of the sealing main body, a supporting framework is fixedly connected in the buffering cavity, a reinforcing fiber layer is wound on the outer side of the supporting framework, and a sealing lip for enhancing the sealing effect is fixedly connected to the inner side of the sealing main body; compared with the prior art, the compression-resistant sealing ring has the advantages that through the synergistic effect of the buffering cavity, the supporting framework and the reinforcing fiber layer of the sealing main body, the sealing main body can bear extremely high pressure, deformation and breakage in a high-pressure environment are effectively prevented, and the sealing performance of the compression-resistant sealing ring is improved; by means of the sealing lips, the sealing body can be rapidly and tightly attached to the sealing face when pressed, the contact area is enlarged, meanwhile, stress distribution is optimized, and the sealing effect of the compression-resistant sealing ring is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring technical field especially relates to a compression resistance sealing ring. BACKGROUND

[0002] Sealing ring, as the key part of sealing device technical field, also called sealing element, is a ring part for preventing fluid (liquid, gas) or solid particle from leaking from adjacent joint surface, and preventing outside impurities such as dust, moisture etc. from invading the inside of the device. The existing compression resistance sealing ring cannot bear very high pressure, and is prone to deformation and rupture under high pressure environment, resulting in the decline of sealing performance. And it cannot quickly and tightly adhere to the sealing surface when being pressed, the stress distribution is uneven, and the sealing effect is weak. SUMMARY

[0003] The utility model discloses a compression resistance sealing ring to solve the problems in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a compression resistance sealing ring, comprising a sealing main body and a positioning convex ring, the inside of the sealing main body is provided with a buffer cavity, the inside of the buffer cavity is fixedly connected with a support framework, the outside of the support framework is wound with a reinforcing fiber layer, and the inside of the sealing main body is fixedly connected with a sealing lip for enhancing sealing effect.

[0005] Further description of the above technical scheme:

[0006] The positioning convex ring is provided with two groups, one group of the positioning convex ring is fixedly connected at the top end of the sealing main body, and the other group of the positioning convex ring is fixedly connected at the bottom end of the sealing main body.

[0007] Further description of the above technical scheme:

[0008] The support framework is made of stainless steel.

[0009] Further description of the above technical scheme:

[0010] The reinforcing fiber layer is made of aramid fiber.

[0011] Further description of the above technical scheme:

[0012] The buffer cavity and the support framework are all provided with multiple groups.

[0013] Further description of the above technical scheme:

[0014] The sealing main body is made of ethylene propylene diene rubber.

[0015] The utility model has the advantages of:

[0016] The utility model discloses, through the synergies of the buffer cavity, the support framework and the reinforcing fiber layer of sealing main body, make sealing main body can bear very high pressure, effectively prevent the deformation and rupture under high pressure environment, improved the sealing performance of compression resistance sealing ring.

[0017] The utility model discloses, through the sealing lip, make sealing main body can be promptly and closely when under pressure and fit sealing surface, expand the contact area's simultaneously, optimize stress distribution, strengthened the sealing effect of compression resistance sealing ring. DRAWINGS

[0018] Figure 1 The utility model provides a whole structure schematic diagram of compression resistance sealing ring;

[0019] Figure 2 The utility model provides a front view of compression resistance sealing ring;

[0020] Figure 3 The utility model provides a partial structure schematic diagram of compression resistance sealing ring Figure 1 ;

[0021] Figure 4 The utility model provides a partial structure schematic diagram of compression resistance sealing ring Figure 2 .

[0022] Legend:

[0023] 1, sealing main body;2, buffer cavity;3, support framework;4, sealing lip;5, positioning convex ring. SPECIFIC EMBODIMENT

[0024] Below, will combine the drawings in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment only is a part embodiment of the utility model, is not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making creative labor belong to the range of the utility model protection.

[0025] Referring Figures 1-4 , the utility model provides an embodiment: a compression resistance sealing ring, including sealing main body 1 and positioning convex ring 5, the inside of sealing main body 1 is set with buffer cavity 2, buffer cavity 2 inside fixedly connected with support framework 3, and the outside of support framework 3 is wound with reinforcing fiber layer, and the inside of sealing main body 1 is fixedly connected with the sealing lip 4 of enhanced sealing effect.

[0026] The positioning convex ring 5 is provided with two groups, one group of positioning convex ring 5 is fixedly connected at the top end of the sealing main body 1, and the other group of positioning convex ring 5 is fixedly connected at the bottom end of the sealing main body 1, the support framework 3 is made of stainless steel, has high strength and good rigidity, can provide reliable support for the sealing main body 1, the material of the reinforcing fiber layer is aramid fiber, and the compression resistance of the sealing ring is enhanced, the buffer cavity 2 and the support framework 3 are all provided with multiple groups, the material of the sealing main body 1 is EPDM, has excellent aging resistance, chemical corrosion resistance and high elasticity, and can adapt to different working environments.

[0027] Working principle: when the sealing main body 1 is subjected to medium pressure, deformation occurs, the sealing lip 4 is attached to the sealing surface, preventing medium leakage; at the same time, the support framework 3 and the reinforcing fiber layer in the buffer cavity 2 bear the main pressure, disperse and resist external pressure, prevent the sealing main body 1 from excessive deformation; the positioning convex ring 5 ensures that the sealing main body 1 remains stable under high pressure environment, without displacement and rotation, and continuously maintains good sealing performance.

[0028] The electrical components appearing in the text are all connected with the main controller and 220V mains through electrical connection, and the main controller can be a conventional known device such as a computer, and the specific embodiment of the present disclosure omits the detailed description of the known functions and known components, in order to ensure the compatibility of the device, the operation means adopted are consistent with the parameters of the market appliances.

[0029] Finally, it should be pointed out that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A compression seal comprising a sealing body (1) and a positioning collar (5), characterised in that: The sealing body (1) is internally provided with a buffer cavity (2), the buffer cavity (2) is internally fixedly connected with a support framework (3), the support framework (3) is externally wound with a reinforcing fiber layer, and the sealing body (1) is internally fixedly connected with a sealing lip (4).

2. A compression seal ring according to claim 1, wherein: The positioning convex ring (5) is provided with two groups, one group of the positioning convex ring (5) is fixedly connected at the top end of the sealing body (1), and the other group of the positioning convex ring (5) is fixedly connected at the bottom end of the sealing body (1).

3. A compression seal ring according to claim 1, wherein: The support framework (3) is made of stainless steel.

4. A compression seal ring according to claim 1, wherein: The reinforcing fiber layer is made of aramid fiber.

5. A compression seal ring according to claim 1, wherein: The buffer cavity (2) and the support framework (3) are all provided with multiple groups.

6. A compression seal ring according to claim 1, wherein: The sealing body (1) is made of EPDM.

Images