Heat-resistant rubber sealing ring with internal framework

Abstract

The utility model discloses a heatproof rubber seal ring with an internal framework, which comprises a rubber outer ring, a first inner hole is arranged in the middle of the rubber outer ring in a penetrating manner, an outer lining framework is fixedly connected to the inner wall of the first inner hole, a rubber inner ring is connected to the inside of the outer lining framework, and the rubber inner ring is fixedly connected to the inner wall of the first inner hole under the condition that the diameter of the rubber outer ring is uniform. The diameter of the first inner hole in the inner lining framework is adjusted, the application range is greatly widened, the strength of the outer wall of the inner lining framework can be improved, the situation that the outer lining framework is broken due to manual pipeline extrusion is prevented, the strength of upward and downward pressing is improved, the strength of extrusion of the rubber outer ring can be improved, and the situations of random deformation and sinking are avoided; the cross-shaped ring body can support the middle position of the wall cavity of the rubber inner ring in a large range, the reinforcing ring can increase supporting force for the corner angle of the rubber inner ring, and the frameworks are additionally arranged in the wall cavity of the rubber outer ring and the wall cavity of the rubber inner ring, so that the strength of the whole rubber sealing ring can be improved more comprehensively.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber sealing rings, in particular to a heat-resistant rubber sealing ring with an internal skeleton. Background Art

[0002] Rubber sealing gaskets are a sealing component often used in the pipeline sealing process and are an indispensable sealing measure for pipeline connection. In the process of pipeline connection, the pipe joints of the connecting components need to be tightened with force, and the rubber sealing ring is prone to deformation when excessive external force is applied, which affects the sealing of the pipeline. At the same time, it is not easy to put it in the right position during installation, making it inconvenient to install.

[0003] In the prior art, application number 20172076557 7.0 discloses a rubber sealing ring with an inner lining metal skeleton, including an inner lining skeleton, a rubber gasket sealing ring, an inner hole and a skeleton through hole; an inner hole is provided in the middle position of the rubber gasket sealing ring, an inner lining skeleton is provided in the middle position inside the rubber gasket sealing ring, a skeleton through hole is provided on the inner lining skeleton, and the rubber gasket sealing ring is formed by one-time injection molding; the aperture of the inner hole of the above-mentioned device is fixed, and when the diameter of the sealing ring is the same, sealing rings with different apertures need to be used for installation, and the aperture of the sealing ring cannot be flexibly adjusted, and the scope of application is greatly reduced, and the inner lining skeleton of the above-mentioned device is too single, and the strength of the sealing ring cannot be comprehensively increased.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a heat-resistant rubber sealing ring with an internal skeleton to overcome the above-mentioned technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A heat-resistant rubber sealing ring with an internal skeleton comprises a rubber outer ring, a first inner hole is provided through the middle of the rubber outer ring, an outer lining skeleton is fixedly connected to the inner wall of the first inner hole, and the inner part of the outer lining skeleton is connected to the rubber inner ring.

[0008] Preferably, the outer lining skeleton comprises a first ring body and a second ring body, wherein the upper and lower ends of the first ring body are respectively through-connected and fixedly connected with the second ring body, and the second ring body respectively extends out of the outer side of the rubber outer ring and is flush with the upper and lower sides of the rubber inner ring.

[0009] Preferably, the outer wall of the first ring body is fixedly connected to the inner wall of the first inner hole of the rubber outer ring, the inner wall of the second ring body is provided with a first threaded groove, the outer wall of the rubber inner ring is provided with a second threaded groove, and the second threaded grooves are threadedly connected to the first threaded grooves respectively through matching grooves.

[0010] Preferably, a bone ring is fixedly connected to the middle of the rubber outer ring wall cavity, a trapezoidal ring groove is respectively dug at the top and bottom of the rubber outer ring, a trapezoidal fastener is fixedly connected to the inner wall of the trapezoidal ring groove, and the upper and lower trapezoidal fasteners are fixedly connected to the bone ring.

[0011] Preferably, an annular sheet is fixedly connected to the inner side of the rubber outer ring wall cavity, and reinforcing ribs are equidistantly connected to the inner side of the annular sheet. The reinforcing ribs all pass through the inner side of the first inner hole and are flush with the inner wall of the first inner hole.

[0012] Preferably, a lining frame is fixedly connected to the middle of the rubber inner ring wall cavity, and the lining frame includes a cross-shaped ring body and a reinforcement ring. The four corners of the cross-shaped ring body are fixedly connected to the reinforcement ring, and a second inner hole is provided in the center of the rubber inner ring.

[0013] The beneficial effects of the utility model are as follows: while ensuring the uniformity of the diameter of the rubber outer ring, the aperture size of the first inner hole inside it can be adjusted, and the scope of application is greatly improved; the annular sheet can increase the strength of the inner wall of the first inner hole, and at the same time can increase the strength of the outer wall of the inner lining skeleton, to prevent the outer lining skeleton from being broken due to manual pipeline extrusion; the bone ring can increase the trapezoidal fastener while increasing the strength of the upper and lower pressures, and can increase the strength of the rubber outer ring when it is squeezed, to avoid arbitrary deformation and depression; the V-shaped ring body can provide a large-scale support to the middle position of the rubber inner ring wall cavity; the reinforcing ring can increase the supporting force at the edges and corners of the rubber inner ring; skeletons are added to the rubber outer ring and the rubber inner ring wall cavity, so that the strength of the overall rubber sealing ring can be improved more comprehensively. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of a heat-resistant rubber sealing ring with an internal skeleton according to an embodiment of the utility model;

[0016] Figure 2It is a schematic cross-sectional structure diagram of an outer lining frame of a heat-resistant rubber sealing ring with an internal frame according to an embodiment of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of a rubber outer ring of a heat-resistant rubber sealing ring with an internal skeleton according to an embodiment of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of a cross-sectional structure of a rubber inner ring of a heat-resistant rubber sealing ring with an internal skeleton according to an embodiment of the utility model.

[0019] In the figure:

[0020] 1. Rubber outer ring; 2. First inner hole; 3. Outer lining skeleton; 4. Rubber inner ring; 5. First ring body; 6. Second ring body; 7. First thread groove; 8. Second thread groove; 9. Bone ring; 10. Trapezoidal ring groove; 11. Trapezoidal fastener; 12. Ring sheet; 13. Reinforcement ribs; 14. Inner lining skeleton; 15. Cross-shaped ring body; 16. Reinforcement ring; 17. Second inner hole. DETAILED DESCRIPTION

[0021] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0022] According to an embodiment of the utility model, a heat-resistant rubber sealing ring with an internal skeleton is provided.

[0023] Embodiment 1

[0024] like Figure 1-4As shown, according to an embodiment of the utility model, a heat-resistant rubber sealing ring with an internal skeleton comprises a rubber outer ring 1, a first inner hole 2 is penetrated in the middle of the rubber outer ring 1, an outer lining skeleton 3 is fixedly connected to the inner wall of the first inner hole 2, a rubber inner ring 4 is connected inside the outer lining skeleton 3, the outer lining skeleton 3 comprises a first ring body 5 and a second ring body 6, the upper and lower ends of the first ring body 5 are respectively penetrated and fixedly connected with the second ring body 6, the second ring body 6 extends outward from the rubber outer ring 1, and is flush with the upper and lower sides of the rubber inner ring 4, the outer wall of the first ring body 5 is fixedly connected to the inner wall of the first inner hole 2 of the rubber outer ring 1, and the inner wall of the second ring body 6 is A first thread groove 7 is provided, a second thread groove 8 is provided on the outer wall of the rubber inner ring 4, and the second thread groove 8 is threadedly connected with the first thread groove 7 respectively. An outer lining skeleton 3 is provided in the first inner hole 2 of the rubber outer ring 1, and a second thread groove 8 is provided on the outer wall of the rubber inner ring 4. The rubber inner ring 4 is connected and fixed with the first thread groove 7 on the inner wall of the second ring body 6 respectively through the second thread groove 8. The rubber inner ring 4 with a suitable aperture can be selected according to the diameter of the pipeline. Under the condition of ensuring the uniform diameter of the rubber outer ring 1, the aperture size of the first inner hole 2 inside it can be adjusted, and the scope of application is greatly improved.

[0025] Embodiment 2

[0026] like Figure 1-4 As shown, according to an embodiment of the utility model, a heat-resistant rubber sealing ring with an internal skeleton comprises a rubber outer ring 1, a first inner hole 2 is penetrated in the middle of the rubber outer ring 1, an outer lining skeleton 3 is fixedly connected to the inner wall of the first inner hole 2, a rubber inner ring 4 is connected inside the outer lining skeleton 3, a bone ring 9 is fixedly connected to the middle of the wall cavity of the rubber outer ring 1, a trapezoidal annular groove 10 is respectively dug at the top and bottom of the rubber outer ring 1, a trapezoidal fixing 11 is fixedly connected to the inner wall of the trapezoidal annular groove 10, the upper and lower trapezoidal fixings 11 are fixedly connected to the bone ring 9, an annular sheet 12 is fixedly connected to the inner side of the wall cavity of the rubber outer ring 1, and reinforcing ribs 13 are equidistantly connected to the inner side of the annular sheet 12, and the reinforcing ribs 13 are all penetrated It passes through the inner side of the first inner hole 2 and is flush with the inner wall of the first inner hole 2. Trapezoidal annular grooves 10 are respectively dug on the upper and lower outer walls of the rubber outer ring 1. The trapezoidal fasteners 11 are installed inside the trapezoidal annular grooves 10, which can increase the extrusion strength of the rubber outer ring 1 and avoid arbitrary deformation and depression. The bone ring 9 can increase the trapezoidal fasteners 11 while improving the strength of the upper and lower pressures. An annular sheet 12 is provided on the inner side of the wall cavity of the rubber outer ring 1, and reinforcing ribs are equidistantly provided on the inner side of the annular sheet 12. The annular sheet 12 can increase the strength of the inner wall of the first inner hole 2, and at the same time can improve the strength of the outer wall of the inner lining skeleton 14 to prevent the rupture of the outer lining skeleton 3 caused by manual pipeline extrusion.

[0027] Embodiment 3

[0028] like Figure 1-4As shown, according to an embodiment of the utility model, a heat-resistant rubber sealing ring with an internal skeleton comprises a rubber outer ring 1, a first inner hole 2 is provided through the middle of the rubber outer ring 1, an outer lining skeleton 3 is fixedly connected to the inner wall of the first inner hole 2, a rubber inner ring 4 is connected inside the outer lining skeleton 3, an inner lining skeleton 14 is fixedly connected to the middle of the wall cavity of the rubber inner ring 4, the inner lining skeleton 14 comprises a cross-shaped ring body 15 and a reinforcement ring 16, the four corners of the cross-shaped ring body 15 are fixedly connected to the reinforcement ring 16, a second inner hole 17 is provided at the central position of the rubber inner ring 4, the inner lining skeleton 14 is arranged in the wall cavity of the rubber inner ring 4, the cross-shaped ring body 15 can provide a large-scale support to the middle position of the wall cavity of the rubber inner ring 4, and reinforcement rings 16 are arranged at the four corners of the cross-shaped ring body 15, the reinforcement ring 16 can increase the supporting force at the corners of the rubber inner ring 4, and skeletons are added to the wall cavities of the rubber outer ring 1 and the rubber inner ring 4, so that the strength of the overall rubber sealing ring can be improved more comprehensively.

[0029] In summary, with the aid of the above technical solution of the utility model, when the device is in use, an outer lining skeleton 3 is arranged in the first inner hole 2 of the rubber outer ring 1, a second threaded groove 8 is arranged on the outer wall of the rubber inner ring 4, and the rubber inner ring 4 is connected and fixed to the first threaded groove 7 of the inner wall of the second ring body 6 through the second threaded groove 8. The rubber inner ring 4 with a suitable aperture can be selected according to the diameter of the pipeline, and trapezoidal annular grooves 10 are respectively dug on the upper and lower outer walls of the rubber outer ring 1, and the trapezoidal fasteners 11 are installed inside the trapezoidal annular grooves 10, which can increase the rubber outer ring 1. The strength of being squeezed is achieved, and an annular sheet 12 is arranged on the inner side of the wall cavity of the rubber outer ring 1, and reinforcing ribs are arranged equidistantly on the inner side of the annular sheet 12. The annular sheet 12 can increase the strength of the inner wall of the first inner hole 2, and at the same time can improve the strength of the outer wall of the lining skeleton 14. The lining skeleton 14 is arranged in the wall cavity of the rubber inner ring 4, and the cross-shaped ring body 15 can provide a large-scale support for the middle position of the wall cavity of the rubber inner ring 4, and reinforcing rings 16 are arranged at the four corners of the cross-shaped ring body 15. The reinforcing ring 16 can increase the supporting force on the edges and corners of the rubber inner ring 4.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat-resistant rubber sealing ring with an internal skeleton, comprising a rubber outer ring (1), characterized in that: A first inner hole (2) is provided through the middle of the rubber outer ring (1); an outer lining frame (3) is fixedly connected to the inner wall of the first inner hole (2); and a rubber inner ring (4) is connected inside the outer lining frame (3).

2. A heat-resistant rubber sealing ring with an internal skeleton according to claim 1, characterized in that: The outer lining skeleton (3) comprises a first ring body (5) and a second ring body (6); the upper and lower ends of the first ring body (5) are respectively connected to the second ring body (6) through a through hole; the second ring body (6) extends out of the outer side of the rubber outer ring (1) and is flush with the upper and lower sides of the rubber inner ring (4).

3. A heat-resistant rubber sealing ring with an internal skeleton according to claim 2, characterized in that: The outer wall of the first ring body (5) is fixedly connected to the inner wall of the first inner hole (2) of the rubber outer ring (1); the inner wall of the second ring body (6) is provided with a first thread groove (7); the outer wall of the rubber inner ring (4) is provided with a second thread groove (8), and the second thread groove (8) is threadedly connected to the first thread groove (7) in a matching manner.

4. A heat-resistant rubber sealing ring with an internal skeleton according to claim 3, characterized in that: A bone ring (9) is fixedly connected to the middle of the wall cavity of the rubber outer ring (1), and a trapezoidal annular groove (10) is respectively excavated on the top and bottom of the rubber outer ring (1). A trapezoidal fixing piece (11) is fixedly connected to the inner wall of the trapezoidal annular groove (10), and the upper and lower trapezoidal fixing pieces (11) are fixedly connected to the bone ring (9).

5. A heat-resistant rubber sealing ring with an internal skeleton according to claim 4, characterized in that: An annular sheet (12) is fixedly connected to the inner side of the wall cavity of the rubber outer ring (1), and reinforcing ribs (13) are equidistantly connected to the inner side of the annular sheet (12). The reinforcing ribs (13) all pass through the inner side of the first inner hole (2) and are flush with the inner wall of the first inner hole (2).

6. A heat-resistant rubber sealing ring with an internal skeleton according to claim 5, characterized in that: An inner lining frame (14) is fixedly connected to the middle of the wall cavity of the rubber inner ring (4); the inner lining frame (14) comprises a cross-shaped ring body (15) and a reinforcement ring (16); the four corners of the cross-shaped ring body (15) are fixedly connected to the reinforcement ring (16); and a second inner hole (17) is provided at the central position of the rubber inner ring (4).

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