Anti-aging rubber sealing gasket

Abstract

The utility model provides an anti-aging rubber sealing gasket. The anti-aging rubber sealing gasket comprises a sealing gasket; the anti-aging layer is contained in the sealing gasket, a base layer is arranged in the middle of the interior of the anti-aging layer, a supporting layer is arranged at the bottom of the base layer, a heat insulation layer is arranged at the bottom of the supporting layer, and a rubber layer is arranged at the bottom of the heat insulation layer; and the penetrating opening is formed in the top of the sealing gasket, and a plurality of air holes are formed in the inner surface of the penetrating opening. According to the anti-aging rubber sealing gasket, a good sealing effect is achieved on the premise that the flexibility of the sealing gasket is not affected, then the structure formed on the base layer is wrapped by the anti-aging layer, the situation that the structure on the base layer is eroded can be reduced, the toughness of the middle position of the sealing gasket is improved through the structure, and the service life of the sealing gasket is prolonged. And meanwhile, the structure on the base layer is wrapped by the anti-aging layer, so that aging is reduced, and the service life of the sealing gasket is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber sealing pads, in particular to an anti-aging rubber sealing pad. Background Art

[0002] Sealing gasket is a kind of sealing spare part used in machinery, equipment, pipelines as long as there is fluid. It is used inside and outside to perform sealing.

[0003] Sealing gaskets are mainly used at the joints of mechanical structures. Depending on the needs, the sealing gaskets can be square, round or irregular in shape. Sealing gaskets are generally made of rubber as the main material, which has certain elasticity and high temperature resistance.

[0004] When the rubber gasket is in use, both sides need to be squeezed, and the rubber gasket is prone to aging and cracking after being used for a period of time. After being squeezed, the rubber gasket will be damaged faster, thereby affecting the sealing of the rubber gasket.

[0005] Therefore, it is necessary to provide an anti-aging rubber sealing pad to solve the above technical problems. Utility Model Content

[0006] The utility model provides an anti-aging rubber sealing pad, which solves the problem that the rubber sealing pad will age and crack after being used for a period of time, and the rubber sealing pad will be damaged and the sealing performance will be affected after being squeezed.

[0007] In order to solve the above technical problems, the utility model provides an anti-aging rubber sealing pad comprising: a sealing pad;

[0008] An anti-aging layer, the anti-aging layer is contained in the sealing gasket, a base layer is arranged at the middle position inside the anti-aging layer, a supporting layer is arranged at the bottom of the base layer, a heat insulating layer is arranged at the bottom of the supporting layer, and a rubber layer is arranged at the bottom of the heat insulating layer;

[0009] A through hole, wherein the through hole is opened on the top of the sealing gasket, and a plurality of air holes are opened on the inner surface of the through hole;

[0010] The penetrations extend through the top and bottom of the gasket.

[0011] Preferably, two groups of limiting holes are provided on the top and bottom of the sealing gasket, and the outer surface of the supporting layer is also provided with penetrating air holes;

[0012] The vent holes penetrate the support layer. The limit holes are grouped into four, and each group of limit holes forms a ring. For details, please refer to Figure 2 .

[0013] Preferably, the top and bottom of the sealing gasket are both installed with a second limiting ring near the middle through a plug, and the top and bottom of the sealing gasket are both installed with a first limiting ring near the outer surface through a plug;

[0014] Position reference of the first limiting ring and the second limiting ring Figure 1 .

[0015] Preferably, mounting plates are provided near the middle of four directions of the sealing gasket, and penetrating mounting holes are provided on the tops of the mounting plates;

[0016] The mounting holes are convenient for limiting the gasket.

[0017] Preferably, the anti-aging layer is made of polypropylene, the base layer is made of polyurethane, and the support layer is made of silicone rubber;

[0018] The base layer can increase the toughness of the middle part of the gasket.

[0019] Preferably, the heat insulation layer is made of glass fiber material, and the rubber layer is made of rubber.

[0020] Compared with the related art, the anti-aging rubber sealing pad provided by the utility model has the following beneficial effects:

[0021] The utility model provides an anti-aging rubber sealing gasket. In order to increase the anti-aging property of the sealing gasket, a supporting layer is first installed at the bottom of a base layer, and then the supporting layer is arranged on the heat insulation layer, and the rubber layer is installed on the heat insulation layer. Then, it is only necessary to install the supporting layer, the heat insulation layer and the rubber layer in sequence above the base layer, and wrap them with the anti-aging layer. During actual use, the top and bottom of the sealing gasket composed of the base layer, the supporting layer, the heat insulation layer, the rubber layer and the anti-aging layer are respectively in contact with the mechanical connection. The base layer can increase the toughness of the sealing gasket, so that the deformation in the middle position thereof during the extrusion process is reduced. At the same time, the same structure of the base layer above and below can be used to achieve a good sealing effect without affecting the flexibility of the sealing gasket. Then, the anti-aging layer is used to wrap the structure composed on the base layer, so that the erosion of the structure on the base layer can be reduced. The toughness of the middle position of the sealing gasket is increased through the structure, and at the same time, the structure on the base layer is wrapped with the anti-aging layer, so as to reduce aging and help to increase the service life of the sealing gasket. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A structural schematic diagram of a preferred embodiment of the anti-aging rubber sealing pad provided by the utility model;

[0023] Figure 2 A schematic diagram of the structure of the limiting hole is provided for the utility model;

[0024] Figure 3 A schematic diagram of the structure of the base layer is provided for the utility model;

[0025] Figure 4 Provided for the utility model Figure 2 An enlarged view of point A is shown.

[0026] Numbers in the figure: 1. Sealing gasket, 101. Base layer, 102. Support layer, 103. Anti-aging layer, 104. Heat insulation layer, 105. Rubber layer, 106. Heat dissipation hole, 2. First limiting ring, 3. Second limiting ring, 4. Through-hole, 5. Air vent, 6. Mounting sheet, 7. Mounting hole, 8. Limiting hole, 9. Plug. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0028] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of the anti-aging rubber sealing pad provided by the utility model; Figure 2 A schematic diagram of the structure of the limiting hole is provided for the utility model; Figure 3 A schematic diagram of the structure of the base layer is provided for the utility model; Figure 4 Provided for the utility model Figure 2 The enlarged view of point A is shown. The anti-aging rubber sealing gasket comprises: a sealing gasket 1;

[0029] An anti-aging layer 103, the anti-aging layer 103 is contained in the sealing gasket 1, a base layer 101 is arranged at the middle position inside the anti-aging layer 103, a supporting layer 102 is arranged at the bottom of the base layer 101, a heat insulating layer 104 is arranged at the bottom of the supporting layer 102, and a rubber layer 105 is arranged at the bottom of the heat insulating layer 104;

[0030] A through hole 4, wherein the through hole 4 is opened at the top of the sealing gasket 1, and a plurality of air holes 5 are opened on the inner surface of the through hole 4;

[0031] The hole 4 passes through the top and bottom of the sealing gasket 1 , and a support layer 102 , a heat insulating layer 104 and a rubber layer 105 are sequentially arranged on the top of the base layer 101 .

[0032] The top and bottom of the sealing pad 1 are both provided with two groups of limiting holes 8, and the outer surface of the supporting layer 102 is also provided with penetrating air holes 5;

[0033] The vent holes 5 penetrate the support layer 102, and the limiting holes 8 are grouped into four, and each group of limiting holes 8 forms a ring. For details, please refer to Figure 2 .

[0034] The top and bottom of the sealing gasket 1 are both installed with a second limiting ring 3 through a plug 9 near the middle, and the top and bottom of the sealing gasket 1 are both installed with a first limiting ring 2 through a plug 9 near the outer surface;

[0035] The plug 9 is inserted into the inner part of the limiting hole 8, and the position of the first limiting ring 2 and the second limiting ring 3 is referenced Figure 1 .

[0036] The sealing gasket 1 is provided with mounting pieces 6 near the middle of four directions, and the top of the mounting pieces 6 is provided with a through mounting hole 7;

[0037] The mounting hole 7 is convenient for limiting the sealing gasket 1. The position of the mounting plate 6 is referenced to Figure 1 .

[0038] The anti-aging layer 103 is made of polypropylene, the base layer 101 is made of polyurethane, and the support layer 102 is made of silicone rubber;

[0039] The supporting layer 102 has strong resilience, and the base layer 101 can increase the toughness of the middle portion of the sealing gasket 1 .

[0040] The heat insulation layer 104 is made of glass fiber material, and the rubber layer 105 is made of rubber;

[0041] The heat insulating layer 104 reduces the damage to the interior of the sealing gasket 1 caused by high temperature.

[0042] The working principle of the anti-aging rubber sealing pad provided by the utility model is as follows:

[0043] First, a supporting layer 102 is installed at the bottom of the base layer 101, and then the supporting layer 102 is set on the thermal insulation layer 104, and the rubber layer 105 is installed on the thermal insulation layer 104. After that, it is only necessary to install the supporting layer 102, the thermal insulation layer 104 and the rubber layer 105 in sequence on the top of the base layer 101, and wrap them with the anti-aging layer 103. In actual use, the top and bottom of the sealing gasket 1 composed of the base layer 1, the supporting layer 102, the thermal insulation layer 104, the rubber layer 105 and the anti-aging layer 103 are respectively in contact with the mechanical connection. The toughness of the sealing gasket 1 can be increased by the base layer 101, so that the deformation in the middle position during the extrusion process can be reduced. At the same time, the same structure of the base layer 101 above and below can achieve a good sealing effect without affecting the flexibility of the sealing gasket 1. Then, the structure composed on the base layer 101 is wrapped with the anti-aging layer 103 to reduce the erosion of the structure on the base layer 101.

[0044] Compared with the related art, the anti-aging rubber sealing pad provided by the utility model has the following beneficial effects:

[0045] In order to increase the anti-aging property of the sealing gasket 1, a supporting layer 102 is first installed at the bottom of the base layer 101, and then the supporting layer 102 is arranged on the heat insulating layer 104, and the heat insulating layer 104 is installed with the rubber layer 105, and then it is only necessary to install the supporting layer 102, the heat insulating layer 104 and the rubber layer 105 in sequence on the top of the base layer 101, and wrap them with the anti-aging layer 103. In actual use, the top and bottom of the sealing gasket 1 composed of the base layer 1, the supporting layer 102, the heat insulating layer 104, the rubber layer 105 and the anti-aging layer 103 are in contact with the mechanical connection respectively, through The base layer 101 can increase the toughness of the sealing gasket 1 and reduce deformation in the middle position during the extrusion process. At the same time, the same structure of the base layer 101 above and below can achieve a good sealing effect without affecting the flexibility of the sealing gasket 1. The structure composed on the base layer 101 is then wrapped with the anti-aging layer 103 to reduce the erosion of the structure on the base layer 101. The toughness of the middle position of the sealing gasket 1 is increased through this structure. At the same time, the structure on the base layer 101 is wrapped with the anti-aging layer 103 to reduce aging, which is beneficial to increasing the service life of the sealing gasket 1.

[0046] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An anti-aging rubber sealing gasket, characterized in that: include: Gasket; An anti-aging layer, the anti-aging layer is contained in the sealing gasket, a base layer is arranged at the middle position inside the anti-aging layer, a supporting layer is arranged at the bottom of the base layer, a heat insulating layer is arranged at the bottom of the supporting layer, and a rubber layer is arranged at the bottom of the heat insulating layer; The through-opening is opened on the top of the sealing pad, and a plurality of air holes are opened on the inner surface of the through-opening.

2. The anti-aging rubber sealing gasket according to claim 1, characterized in that: Two groups of limiting holes are provided on the top and bottom of the sealing pad, and penetrating air holes are also provided on the outer surface of the supporting layer.

3. The anti-aging rubber sealing gasket according to claim 1, characterized in that: The top and bottom of the sealing gasket are both installed with second limiting rings through plugs near the middle, and the top and bottom of the sealing gasket are both installed with first limiting rings through plugs near the outer surface.

4. The anti-aging rubber sealing gasket according to claim 1, characterized in that: The sealing gasket is provided with mounting pieces at positions close to the middle in four directions, and the tops of the mounting pieces are provided with through mounting holes.

5. The anti-aging rubber sealing gasket according to claim 1, characterized in that: The anti-aging layer is made of polypropylene, the base layer is made of polyurethane, and the supporting layer is made of silicone rubber.

6. The anti-aging rubber sealing gasket according to claim 1, characterized in that: The heat insulation layer is made of glass fiber material, and the rubber layer is made of rubber.

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