Rubber insert with good sealing performance

Abstract

The rubber insert comprises a first wear-resisting layer and a second wear-resisting layer which are symmetrically arranged, and the opposite sides of the first wear-resisting layer and the second wear-resisting layer are both fixedly connected with a first anti-deformation layer and a second anti-deformation layer. A first flame-retardant layer is fixedly connected to the side, away from the first wear-resistant layer, of the first anti-deformation layer, a second flame-retardant layer is fixedly connected to the side, away from the second wear-resistant layer, of the second anti-deformation layer, and a first elasticity enhancing layer is fixedly connected to the side, away from the first anti-deformation layer, of the first flame-retardant layer; the side, away from the second anti-deformation layer, of the second flame-retardant layer is fixedly connected with a second elasticity enhancing layer, and a base layer is fixedly connected between the first elasticity enhancing layer and the second elasticity enhancing layer. Through the arrangement of the multi-layer structure, the deformation resistance and the sealing capability of the rubber insert are improved, so that the using effect of the rubber insert is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a rubber insert with good sealing performance. Background Art

[0002] Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software. The effect is mainly obtained through physical means, not through pharmacological, immunological or metabolic means, or although these means are involved, they only play an auxiliary role. The purpose is to diagnose, prevent, monitor, treat or alleviate diseases; diagnose, monitor, treat, alleviate or compensate for injuries. Various rubber inserts are needed in medical devices.

[0003] However, the existing rubber insert has a relatively simple internal structure, and the rubber insert has poor anti-deformation and sealing capabilities, which affects the use effect of the rubber insert. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art that the internal structure of the rubber insert is relatively simple and the anti-deformation and sealing capabilities of the rubber insert are relatively poor, and proposes a rubber insert with good sealing performance.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rubber insert with good sealing performance comprises a first wear-resistant layer and a second wear-resistant layer symmetrically arranged, wherein the first wear-resistant layer and the second anti-deformation layer are fixedly connected to the sides opposite to the second wear-resistant layer, the first anti-deformation layer is fixedly connected to the first flame retardant layer on the side away from the first wear-resistant layer, the second anti-deformation layer is fixedly connected to the second flame retardant layer on the side away from the second wear-resistant layer, the first flame retardant layer is fixedly connected to the first elasticity-enhancing layer on the side away from the first anti-deformation layer, the second flame retardant layer is fixedly connected to the second elasticity-enhancing layer on the side away from the second anti-deformation layer, and a base layer is fixedly connected between the first elasticity-enhancing layer and the second elasticity-enhancing layer.

[0007] Preferably, the first wear-resistant layer and the second wear-resistant layer are both polytetrafluoroethylene film layers.

[0008] Preferably, the first anti-deformation layer and the second anti-deformation layer are both styrene-butadiene rubber layers.

[0009] Preferably, the first flame retardant layer and the second flame retardant layer are both highly flame retardant glass fiber woven layers.

[0010] Preferably, the first elasticity-enhancing layer and the second elasticity-enhancing layer are both EVA elastic layers.

[0011] Preferably, the base layer is a silicone rubber layer.

[0012] Beneficial effects:

[0013] 1. The first anti-deformation layer and the second anti-deformation layer are provided to enhance the anti-deformation ability of the rubber insert. At the same time, the styrene-butadiene rubber is provided to enhance the elasticity of the anti-deformation layer. The first flame-retardant layer and the second flame-retardant layer are provided to enhance the flame-retardant ability of the rubber insert. At the same time, the highly flame-retardant glass fiber braided layer is provided to enhance the flame-retardant effect of the flame-retardant layer.

[0014] 2. The first elastic layer and the second elastic layer are provided to enhance the resilience of the rubber insert, and the first wear-resistant layer and the second wear-resistant layer are provided to enhance the wear resistance of the rubber insert. The utility model improves the deformation resistance and sealing ability of the rubber insert through the multi-layer structure, thereby improving the use effect of the rubber insert. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a rubber insert with good sealing performance.

[0016] In the figure: 1 first wear-resistant layer, 2 second wear-resistant layer, 3 first anti-deformation layer, 4 second anti-deformation layer, 5 first flame-retardant layer, 6 second flame-retardant layer, 7 first elasticity-increasing layer, 8 second elasticity-increasing layer, 9 base layer. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Reference Figure 1 A rubber insert with good sealing performance, comprising a first wear-resistant layer 1 and a second wear-resistant layer 2 symmetrically arranged, a first anti-deformation layer 3 and a second anti-deformation layer 4 are fixedly connected to the side of the first wear-resistant layer 1 opposite to the second wear-resistant layer 2, for enhancing the anti-deformation ability of the rubber insert, and a first flame-retardant layer 5 is fixedly connected to the side of the first anti-deformation layer 3 away from the first wear-resistant layer 1, for enhancing the flame-retardant ability of the rubber insert;

[0019] In the utility model, the second anti-deformation layer 4 is fixedly connected to the second flame retardant layer 6 on the side away from the second wear-resistant layer 2, which is used to enhance the flame retardant ability of the rubber insert; the first flame retardant layer 5 is fixedly connected to the first elasticity-enhancing layer 7 on the side away from the first anti-deformation layer 3; the second flame retardant layer 6 is fixedly connected to the second elasticity-enhancing layer 8 on the side away from the second anti-deformation layer 4, which is used to enhance the elasticity of the rubber insert; a base layer 9 is fixedly connected between the first elasticity-enhancing layer 7 and the second elasticity-enhancing layer 8, which is used to enhance the sealing ability of the rubber insert.

[0020] In the utility model, the first wear-resistant layer 1 and the second wear-resistant layer 2 are both polytetrafluoroethylene film layers, which enhance the wear resistance of the rubber insert; the first anti-deformation layer 3 and the second anti-deformation layer 4 are both styrene-butadiene rubber layers, which enhance the deformation resistance of the anti-deformation layer; the first flame-retardant layer 5 and the second flame-retardant layer 6 are both high flame-retardant glass fiber woven layers, which enhance the flame retardant ability of the flame-retardant layer; the first elastic-increasing layer 7 and the second elastic-increasing layer 8 are both EVA elastic layers, which enhance the elasticity of the elastic-increasing layer; and the base layer 9 is a silicone rubber layer, which enhances the sealing ability of the base layer 9.

[0021] In the utility model, the provision of the first anti-deformation layer 3 and the second anti-deformation layer 4 enhances the anti-deformation ability of the rubber insert, the provision of the first flame retardant layer 5 and the second flame retardant layer 6 enhances the flame retardant ability of the rubber insert, and the provision of the high flame retardant glass fiber woven layer enhances the flame retardant ability of the flame retardant layer, the provision of the first elasticity-enhancing layer 7 and the second elasticity-enhancing layer 8 enhances the elasticity of the rubber insert, and the provision of the base layer 9 enhances the sealing ability of the rubber insert.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rubber insert with good sealing performance, comprising a first wear-resistant layer (1) and a second wear-resistant layer (2) symmetrically arranged, characterized in that: The first wear-resistant layer (1) and the second wear-resistant layer (2) are both fixedly connected to the first anti-deformation layer (3) and the second anti-deformation layer (4) on the side opposite to the first wear-resistant layer (1); the first anti-deformation layer (3) is fixedly connected to the first flame-retardant layer (5) on the side away from the first wear-resistant layer (1); the second anti-deformation layer (4) is fixedly connected to the second flame-retardant layer (6) on the side away from the second wear-resistant layer (2); the first flame-retardant layer (5) is fixedly connected to the first elastic-enhancing layer (7) on the side away from the first anti-deformation layer (3); the second flame-retardant layer (6) is fixedly connected to the second elastic-enhancing layer (8) on the side away from the second anti-deformation layer (4); and a base layer (9) is fixedly connected between the first elastic-enhancing layer (7) and the second elastic-enhancing layer (8).

2. A rubber insert with good sealing performance according to claim 1, characterized in that: The first wear-resistant layer (1) and the second wear-resistant layer (2) are both polytetrafluoroethylene film layers.

3. A rubber insert with good sealing performance according to claim 1, characterized in that: The first anti-deformation layer (3) and the second anti-deformation layer (4) are both styrene-butadiene rubber layers.

4. A rubber insert with good sealing performance according to claim 1, characterized in that: The first flame retardant layer (5) and the second flame retardant layer (6) are both highly flame retardant glass fiber woven layers.

5. A rubber insert with good sealing performance according to claim 1, characterized in that: The first elasticity-enhancing layer (7) and the second elasticity-enhancing layer (8) are both EVA elastic layers.

6. A rubber insert with good sealing performance according to claim 1, characterized in that: The base layer (9) is a silicone rubber layer.

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