Sealing composite part

Abstract

The utility model discloses a sealing composite part which comprises a rubber sealing gasket and a supporting base used for supporting the rubber sealing gasket, the supporting base comprises an annular profiling section facing one side of the rubber sealing gasket, and the rubber sealing gasket is provided with a profiling ring groove used for being attached to the profiling section. The side, facing the rubber sealing gasket, of the profiling section is a profiling face, the profiling face is arranged in a non-planar mode, and through the non-planar attaching design of the profiling section of the supporting base and the profiling ring groove of the rubber sealing gasket, the adaptability and contact tightness of a sealing interface are remarkably improved, and the risk of medium leakage is effectively reduced; the non-planar structure of the profiling surface can disperse stress and adapt to dynamic working conditions, and the sealing durability is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sealing ring especially relates to a sealing composite. BACKGROUND

[0002] In the field of industrial sealing, the traditional sealing composite mostly adopts the plane contact type structure, and has defects such as uneven sealing pressure distribution, easy deformation leakage under dynamic working condition, assembly deviation caused by inaccurate positioning, stress concentration caused by insufficient support and poor installation adaptability, although improvement is tried through material optimization or increasing pre-tightening force, but is limited by the interface mismatch of rigid support and rubber pad, weak structure fatigue resistance and other problems, it is difficult to meet the demand of sealing stability, durability and assembly reliability under complex working conditions such as high pressure, vibration and temperature difference fluctuation. SUMMARY

[0003] The utility model provides a sealing composite in order to solve the shortcomings that prior art is difficult to meet the demand of sealing stability, durability and assembly reliability under complex working conditions such as high pressure, vibration and temperature difference fluctuation.

[0004] In order to solve the above technical problems, the utility model discloses the following technical scheme: a sealing composite, including rubber sealing pad and the support base for supporting rubber sealing pad, the support base includes the profiled section that is annular and is provided with towards rubber sealing pad one side, rubber sealing pad is provided with the profiled ring groove for with profiled section is pasted, the profiled section is towards rubber sealing pad one side and is the profiled surface, the profiled surface is non-plane setting.

[0005] Through adopting the above technical scheme, through the non-plane pasting design of the profiled section of support base and the profiled ring groove of rubber sealing pad, the adaptability and contact density of sealing interface are significantly improved, and the medium leakage risk is effectively reduced;The non-plane structure of profiled surface can disperse stress and adapt to dynamic working condition, and the sealing durability is enhanced.

[0006] The utility model further sets up: the support base is set with the positioning hole, and the rubber sealing pad is provided with the positioning column that cooperates with the positioning hole.

[0007] Through adopting the above technical scheme, the accurate pre-positioning of rubber sealing pad and support base is realized through the cooperation of positioning hole and positioning column, the assembly process is simplified, the sealing failure caused by installation misplacement is avoided, and the overall structure is improved.

[0008] The utility model further sets up: the support base still includes the bottom section, and the profiled section is provided on the bottom section, and the bottom section is arranged in abutment with the plane of rubber sealing pad.

[0009] By adopting the technical scheme, the plane abutment design of the bottom section increases the supporting area of the rubber sealing gasket, reduces local compression deformation, ensures uniform distribution of sealing pressure, and prevents early aging of rubber due to stress concentration.

[0010] The utility model further sets up: the positioning hole is set up in the profiling section, the positioning hole is set up with a plurality of.

[0011] By adopting the technical scheme, the positioning hole is integrated in the profiling section, the positioning precision is further optimized, the stress is dispersed through the multiple holes, the structural deformation caused by single point overload is avoided, and the long-term stability is enhanced.

[0012] The utility model further sets up: the mounting hole is set up in the positioning hole, the mounting hole is set up through the supporting base.

[0013] By adopting the technical scheme, the mounting hole is set up in the positioning hole, the mounting hole is set up through the supporting base.

[0014] The utility model further sets up: the profiling section outer circle is provided with the limit ring, the profiling ring groove side wall is set up with the limit ring groove matched with the limit ring, the limit ring is separatedly set up between the bottom section, when the limit ring is buckled with the limit ring groove, the limit ring limits rubber sealing gasket and is separated from the bottom section direction.

[0015] By adopting the technical scheme, the buckling of the limit ring and the limit ring groove forms mechanical interlocking, prevents rubber sealing gasket from separating from the supporting base in high pressure or vibration environment, and greatly improves impact resistance and fatigue resistance.

[0016] The utility model further sets up: the bottom section extends a plurality of mounting ears, and the mounting ear is set up with the mounting hole.

[0017] By adopting the technical scheme, the extended mounting ear provides multiple independent fixing positions, allows the composite to be flexibly adapted to different installation scenes, and reduces the stress on the base body through the extension structure, so that the installation stress does not affect the sealing interface.

[0018] The utility model further sets up: a plurality of mounting ears are arranged in a ring array along the outer circle of the bottom section.

[0019] By adopting the technical scheme, the ring array distributed mounting ear makes the mounting force evenly transmitted to the supporting base, eliminates the risk of partial load, ensures that the composite is tightly fitted with the butt joint part, and improves the overall sealing reliability.

[0020] The utility model further sets up: the profiling surface is in wavy shape.

[0021] By adopting the technical scheme, the undulating profiled surface increases the contact path length through the undulating structure, forms a multiple sealing barrier, and gives the rubber pad local elastic compensation capacity to adapt to the deformation demand under temperature or pressure fluctuation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is an assembly state diagram of a sealing composite in Example One;

[0023] Figure 2 is an assembly explosion diagram of a sealing composite in Example One;

[0024] Figure 3 is a structure diagram of a rubber sealing pad in Example One;

[0025] Figure 4 is a sectional view of a sealing composite in Example One;

[0026] Figure 5 is an assembly state diagram of a sealing composite in Example Two;

[0027] The part names referred to by the numbers in the above drawings are as follows: 1, rubber sealing pad; 11, profiled ring groove; 12, limiting ring groove; 13, positioning column; 2, support base; 21, profiled section; 22, bottom section; 23, profiled surface; 24, positioning hole; 25, mounting hole; 26, limiting ring; 27, mounting ear. DETAILED DESCRIPTION

[0028] The utility model will be described in further detail below in combination with the drawings and examples.

[0029] Example One:

[0030] A sealing composite, referring to Figures 1 to 4 , comprising a rubber sealing pad 1 and a support base 2 for supporting the rubber sealing pad 1, the rubber sealing pad 1 is in a sheet shape, and the support base 2 comprises a bottom section 22 in a ring shape and a profiled section 21 protruding from one side surface of the bottom section 22, the profiled section 21 is also in a ring shape, the outer circle of the profiled section 21 is smaller than that of the bottom section 22, and the inner circle of the profiled section 21 is greater than or equal to that of the bottom section 22, the profiled section 21 is provided with a profiled surface 23 on the side facing the rubber sealing pad 1, the profiled surface 23 is in a non-planar design, the profiled surface 23 in the embodiment is in a regular wave shape, but is not limited to the wave shape and can also be designed in other special shapes, and the main function of the profiled surface 23 is to limit the rotational arrangement of the rubber sealing pad 1 relative to the support base 2.

[0031] The profiled surface 23 in a wave shape is designed, the rubber sealing pad 1 is provided with a profiled ring groove 11 abutting the support base 2, and the bottom surface of the profiled ring groove 11 is in abutting arrangement with the profiled surface 23.

[0032] The support base 2 has a plurality of positioning holes 24 on its contoured surface 23. The plurality of positioning holes 24 are located on the contoured section 21 and are arranged in a ring array evenly spaced along the contoured section 21. The rubber sealing gasket 1 has a protruding positioning post 13 that mates with the positioning holes 24. In this embodiment, some of the positioning holes 24 have mounting holes 25 on their bottom surfaces, but it is not limited to some of the positioning holes 24. It can be one positioning hole 24 or all of the positioning holes 24 have mounting holes 25. The mounting holes 25 penetrate the support base 2 and are countersunk. They are mainly used to install the support base 2 in the required position by screws.

[0033] A limiting ring 26 protrudes from the side of the annular contour section 21. A limiting ring 26 groove 12 that mates with the limiting ring 26 is opened on the inner side wall of the contour ring groove 11. The limiting ring 26 is spaced apart from the bottom section 22, so that the limiting ring 26 groove 12 and the end face of the rubber sealing gasket 1 are also spaced apart. When the contour section 21 and the contour ring groove 11 are fully engaged, the limiting ring 26 and the limiting ring 26 groove 12 are engaged, and the limiting ring 26 restricts the rubber sealing gasket 1 from being disengaged from the support base 2 in a direction away from the bottom section 22.

[0034] Example 2:

[0035] The difference between this embodiment and Embodiment 1 is that, in combination with... Figure 5 In this embodiment, a plurality of mounting ears 27 extend from the outer ring of the bottom section 22. The plurality of mounting ears 27 are arranged in a ring array on the outer ring of the bottom section 22. In this embodiment, four mounting ears 27 are provided. Each mounting ear 27 has a mounting hole 25. Screws can be used to fix the support base 2 to the required position through the mounting hole 25 on the mounting ear 27.

Claims

1. A sealing composite component, characterized in that, The device includes a rubber gasket (1) and a support base (2) for supporting the rubber gasket (1). The support base (2) includes a ring-shaped contour section (21) facing the rubber gasket (1). The rubber gasket (1) is provided with a contour annular groove (11) for fitting with the contour section (21). The contour section (21) facing the rubber gasket (1) is a contour surface (23), which is non-planar.

2. The sealing composite component according to claim 1, characterized in that, The support base (2) has a positioning hole (24), and the rubber sealing gasket (1) has a positioning post (13) that cooperates with the positioning hole (24).

3. A sealing composite component according to claim 2, characterized in that, The support base (2) also includes a bottom section (22), the contour section (21) protrudes from the bottom section (22), and the bottom section (22) is in contact with the rubber sealing gasket (1).

4. A sealing composite component according to claim 3, characterized in that, The positioning hole (24) is opened in the contour section (21), and there are several positioning holes (24).

5. A sealing composite component according to claim 4, characterized in that, The positioning hole (24) is provided with an installation hole (25), which penetrates the support base (2).

6. A sealing composite component according to claim 3, characterized in that, The outer ring of the contour section (21) is provided with a limiting ring (26), and the side wall of the contour ring groove (11) is provided with a limiting ring (26) groove (12) that cooperates with the limiting ring (26). The limiting ring (26) is spaced apart from the bottom section (22). When the limiting ring (26) and the limiting ring (26) groove (12) are engaged, the limiting ring (26) restricts the rubber sealing gasket (1) from disengaging in a direction away from the bottom section (22).

7. A sealing composite component according to claim 3, characterized in that, The bottom section (22) extends with a plurality of mounting ears (27), and the mounting ears (27) are provided with mounting holes (25).

8. A sealing composite according to claim 7, characterized in that, Several mounting ears (27) are arranged in a ring array and protrude along the outer ring of the bottom section (22).

9. A sealing composite component according to claim 1, characterized in that, The contoured surface (23) is wavy.

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