A lip seal ring

Abstract

The utility model relates to lip seal ring technical field, concretely is a kind of lip seal ring, including static seal, the both sides of static seal are provided with upper sealing end and lower sealing end, extrusion layer is provided on the inner wall of static seal, extrusion layer is connected with dynamic seal, loading groove is set up on dynamic seal, extrusion ring is set in loading groove, loading groove can bear extrusion ring by being set on dynamic seal, dynamic seal tight fitting surface and equipment are tightly attached under liquid low pressure state by extrusion ring, so that it guarantees certain sealing, can further improve the sealing property of dynamic seal tight fitting surface and equipment under liquid high pressure state.

Description

Technical Field

[0001] This utility model relates to the field of lip seal technology, specifically a lip seal. Background Technology

[0002] The sealing effect of a lip seal is achieved by deforming its lip under hydraulic pressure, causing the lip to press tightly against the sealing surface. The higher the hydraulic pressure, the tighter the lip adheres to the sealing surface. The lip also has a certain degree of self-compensation capability after wear. This type of seal is commonly used in reciprocating dynamic seals, with Y-shaped and V-shaped seals being the most common types.

[0003] In the prior art, the lip seal requires liquid pressure to improve its sealing performance against the sealing surface. However, when the liquid pressure is low, the sealing performance of the lip seal will decrease. To address this issue, a lip seal is needed. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] In view of the problems existing in the current lip seal ring, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a lip seal ring, which can support the extrusion ring through the loading groove provided on the dynamic seal. The extrusion ring can make the dynamic seal tight-fitting surface fit tightly with the equipment under low liquid pressure, so as to ensure a certain sealing performance. Under high liquid pressure, the sealing performance between the dynamic seal tight-fitting surface and the equipment can be further improved.

[0007] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0008] A lip seal ring comprising a static seal;

[0009] The static seal has an upper sealing end and a lower sealing end on both sides. An extrusion layer is provided on the inner wall of the static seal. The extrusion layer is connected to the dynamic seal. A loading groove is provided on the dynamic seal, and an extrusion ring is provided in the loading groove.

[0010] In a preferred embodiment of the lip seal ring described in this utility model, both the upper sealing end and the lower sealing end include a dynamic seal, and the dynamic seal is thermally fused to the extrusion layer.

[0011] In a preferred embodiment of the lip seal ring described in this utility model, the upper and lower parts of the static sealing inner wall are heat-fused to the dynamic seal.

[0012] In a preferred embodiment of the lip seal ring described in this utility model, the loading groove is used to fix the extrusion ring to ensure its stability under pressure, and the extrusion ring is specifically either a rubber ring or a metal spring ring.

[0013] In a preferred embodiment of the lip seal ring described in this utility model, the extrusion layer is distributed in a Y-shape, and the extrusion layer and the static seal are made of rubber material.

[0014] In a preferred embodiment of the lip seal ring described in this utility model, the dynamic seal is specifically made of wear-resistant rubber material.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the loading groove provided on the dynamic seal can support the extrusion ring, and the extrusion ring can make the dynamic seal tight-fitting surface fit tightly with the equipment under low liquid pressure, so as to ensure a certain degree of sealing performance. Under high liquid pressure, the sealing performance between the dynamic seal tight-fitting surface and the equipment can be further improved. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a side view of the structure of this utility model;

[0019] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0020] In the diagram: 100 static seal, 110 upper sealing end, 120 lower sealing end, 130 extrusion layer, 140 dynamic seal, 150 loading groove, 160 extrusion ring. Detailed Implementation

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0025] This utility model provides the following technical solution: a lip seal ring, which can support the extrusion ring through the loading groove provided on the dynamic seal during use. The extrusion ring can make the dynamic seal tight-fitting surface fit tightly with the equipment under low liquid pressure, so as to ensure a certain sealing performance. Under high liquid pressure, the sealing performance between the dynamic seal tight-fitting surface and the equipment can be further improved.

[0026] Figures 1-3 The diagram shown is a structural schematic of the first embodiment of the lip seal ring of this utility model. Please refer to [link / reference]. Figures 1-3 The lip seal ring of this embodiment includes a static seal 100 as its main body.

[0027] The static seal 100 has an upper sealing end 110 and a lower sealing end 120 on both sides. The inner wall of the static seal 100 is provided with an extrusion layer 130, which is connected to the dynamic seal 140. The dynamic seal 140 has a loading groove 150, and an extrusion ring 160 is provided in the loading groove 150.

[0028] Both the upper sealing end 110 and the lower sealing end 120 include a dynamic seal 140, which is thermally fused to the extrusion layer 130. The upper and lower parts of the inner wall of the static seal 100 are thermally fused to the dynamic seal 140. The loading groove 150 is used to fix the extrusion ring 160 to ensure its stability under pressure. The extrusion ring 160 is specifically either a rubber ring or a metal spring ring. The extrusion layer 130 is distributed in a Y-shape. The extrusion layer 130 and the static seal 100 are specifically made of rubber material, and the dynamic seal 140 is specifically made of wear-resistant rubber material.

[0029] The static seal 100 is used to connect the extrusion layer 130, which is used to connect the upper sealing end 110 and the lower sealing end 120. The upper sealing end 110 and the lower sealing end 120 are used to seal both ends of the static seal 100. The upper sealing end 110 and the lower sealing end 120 include a dynamic seal 140. The dynamic seal 140 is provided with a loading groove 150, which is used to support the extrusion ring 160. The extrusion ring 160 is used to improve the sealing performance of the dynamic seal 140 under low pressure and under high pressure.

[0030] Working principle: The loading groove 150 on the dynamic seal 140 can support the compression ring 160. The compression ring 160 can make the tight-fitting surface of the dynamic seal 140 fit tightly with the equipment under low liquid pressure, so as to ensure a certain degree of sealing. Under high liquid pressure, the sealing performance between the tight-fitting surface of the dynamic seal 140 and the equipment can be further improved.

[0031] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] In the description of this utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lip-shaped sealing ring, characterized in that: Including static seal (100); The static seal (100) has an upper sealing end (110) and a lower sealing end (120) on both sides. An extrusion layer (130) is provided on the inner wall of the static seal (100). The extrusion layer (130) is connected to the dynamic seal (140). A loading groove (150) is provided on the dynamic seal (140). An extrusion ring (160) is provided in the loading groove (150).

2. The lip seal ring according to claim 1, characterized in that: Both the upper sealing end (110) and the lower sealing end (120) include a dynamic seal (140), which is thermally fused to the extrusion layer (130).

3. The lip seal ring according to claim 1, characterized in that: The upper and lower parts of the inner wall of the static seal (100) are heat-fused to the dynamic seal (140).

4. The lip seal ring according to claim 1, characterized in that: The loading groove (150) is used to fix the compression ring (160) to ensure its stability under pressure. The compression ring (160) is specifically either a rubber ring or a metal spring ring.

5. A lip seal ring according to claim 1, characterized in that: The extrusion layer (130) is distributed in a Y-shape, and the extrusion layer (130) and the static seal (100) are specifically made of rubber material.

6. A lip seal ring according to claim 1, characterized in that: The dynamic seal (140) is specifically made of wear-resistant rubber material.

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