Combined valve rubber

Abstract

The utility model relates to the technical field of fracturing pump truck accessories, and discloses a combined valve rubber which comprises a composite valve rubber body, a valve body connecting part is arranged on the inner wall of the composite valve rubber body, and the composite valve rubber body comprises a valve rubber body part. The valve rubber sealing part is fixedly installed on the inner wall of the valve rubber body part, the inner wall of the valve rubber sealing part is movably connected with the outer wall of the valve body connecting component, and the valve rubber guiding part is fixedly installed on the outer wall of the valve rubber body part. The valve rubber body part, the valve rubber sealing part and the valve rubber guiding part on the composite valve rubber can improve the sealing performance, the guiding performance and the structural strength of the whole combined valve rubber respectively, the overall design is reasonable, the structure is simple, manufacturing and installation are easy, damage is not likely to happen, the overall service life is prolonged, and the service life of the valve rubber is prolonged. And the use requirements under different working conditions can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of fracturing pump truck accessories, in particular to a combined valve rubber. Background Art

[0002] In the process of exploiting resources such as oil and natural gas, fracturing pump trucks are one of the commonly used equipment. As an important accessory of fracturing pump trucks, the performance of valve rubber directly affects the efficiency and safety of fracturing pump trucks.

[0003] Traditional valve rubber has some problems, such as short service life and easy damage. Its overall performance is poor and its service life is short. It needs to be replaced frequently, which brings great inconvenience to the exploitation of resources such as oil and natural gas.

[0004] For this reason, we propose a combined type vane rubber. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a combined valve rubber.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a combined valve rubber, including a composite valve rubber, the inner wall of the composite valve rubber is provided with a valve body connecting component, the composite valve rubber includes a valve rubber main body, the inner wall of the valve rubber main body is fixedly installed with a valve rubber sealing part, and the inner wall of the valve rubber sealing part is movably connected to the outer wall of the valve body connecting component, the outer wall of the valve rubber main body is fixedly installed with a valve rubber guide part, the valve rubber main body includes a butyl rubber layer, and the outer wall of the butyl rubber layer is fixedly connected to the inner wall of the valve rubber guide part, the valve rubber sealing part includes an epichlorohydrin rubber layer, and the outer wall of the epichlorohydrin rubber layer is fixedly connected to the inner wall of the vulcanized rubber layer.

[0007] Preferably, the valve body connecting component is made of stainless steel metal.

[0008] Preferably, the material of the valve rubber guide part is polyethylene.

[0009] Preferably, a polyurethane rubber layer is fixedly installed on the inner wall of the butyl rubber layer, and a butadiene rubber layer is fixedly installed on the inner wall of the polyurethane rubber layer.

[0010] Preferably, a chlorosulfonated polyethylene rubber layer is fixedly installed on the inner wall of the epichlorohydrin rubber layer, and a nitrile rubber layer is fixedly installed on the inner wall of the chlorosulfonated polyethylene rubber layer.

[0011] Preferably, a vulcanized rubber layer is fixedly mounted on the inner wall of the butadiene rubber layer.

[0012] Preferably, the inner wall of the vulcanized rubber layer is fixedly connected to the outer wall of the valve rubber sealing part.

[0013] Preferably, a fluororubber layer is fixedly mounted on the inner wall of the nitrile rubber layer.

[0014] Preferably, the inner wall of the fluororubber layer is fixedly connected to the outer wall of the valve body connecting component.

[0015] Beneficial Effects

[0016] The utility model provides a combined type of valve rubber, which has the following beneficial effects:

[0017] (1) The combined valve rubber is provided with a composite valve rubber. The valve rubber main part, the valve rubber sealing part and the valve rubber guiding part on the composite valve rubber can respectively improve the sealing, guiding and structural strength of the entire combined valve rubber. The overall design is reasonable, the structure is simple, and it is easy to manufacture and install. It is not easy to be damaged, thereby improving its overall service life and meeting the use requirements under different working conditions.

[0018] (2) This combined type of valve rubber is provided with a main part of the valve rubber, which is made of a butyl rubber layer, a polyurethane rubber layer, a butadiene rubber layer and a vulcanized rubber layer, which are high-strength and wear-resistant materials, thereby improving the service life and durability of the valve rubber.

[0019] (3) This combined valve rubber has a valve rubber sealing part, which is made of a composite of an epichlorohydrin rubber layer, a chlorosulfonated polyethylene rubber layer, a nitrile rubber layer and a fluororubber layer. It has good elasticity, acid and alkali resistance, oil resistance and sealing performance, and can effectively prevent fluid leakage.

[0020] (4) This combined valve rubber is provided with a valve rubber guide part, which is made of wear-resistant polyethylene material. It can guide the fluid to flow in a specified direction, reduce fluid resistance, and is not easily contaminated by impurities.

[0021] (5) This combined valve rubber is provided with a valve body connection component, which is made of high-strength stainless steel metal material and is connected to the fracturing pump truck through fasteners such as bolts, thereby ensuring the stability and reliability of the valve rubber. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the front side of the utility model;

[0023] Figure 2 This is a schematic diagram of the front structure of the composite vane rubber of the utility model;

[0024] Figure 3 This is a cross-sectional view of the internal structure of the main part of the valve rubber of the utility model;

[0025] Figure 4 It is a cross-sectional view of the internal structure of the valve rubber sealing part of the utility model.

[0026] Legend: 10. Composite valve rubber; 11. Valve body connecting part; 12. Valve rubber main part; 13. Valve rubber sealing part; 14. Valve rubber guide part; 15. Butyl rubber layer; 16. Polyurethane rubber layer; 17. Butadiene rubber layer; 18. Vulcanized rubber layer; 19. Epichlorohydrin rubber layer; 20. Chlorosulfonated polyethylene rubber layer; 21. Nitrile rubber layer; 22. Fluororubber layer. DETAILED DESCRIPTION

[0027] Embodiment 1: A combined type of valve rubber, such as Figure 1 - Figure 2 As shown, it includes a composite valve rubber 10, the inner wall of the composite valve rubber 10 is provided with a valve body connecting component 11, the material of the valve body connecting component 11 is a stainless steel metal material, the composite valve rubber 10 includes a valve rubber main body 12, the inner wall of the valve rubber main body 12 is fixedly installed with a valve rubber sealing part 13, and the inner wall of the valve rubber sealing part 13 is movably connected to the outer wall of the valve body connecting component 11, and the outer wall of the valve rubber main body 12 is fixedly installed with a valve rubber The guide part 14, the material of the valve rubber guide part 14 is polyethylene material. By setting the composite valve rubber 10, the valve rubber main part 12, the valve rubber sealing part 13 and the valve rubber guide part 14 on the composite valve rubber 10 can respectively improve the sealing, guiding and structural strength of the entire combined valve rubber. The overall design is reasonable, the structure is simple, easy to manufacture and install, and not easy to damage, which improves its overall service life and can meet the use requirements under different working conditions.

[0028] Embodiment 2: Based on Embodiment 1, Figure 3 As shown, the main body 12 of the valve rubber includes a butyl rubber layer 15, and the outer wall of the butyl rubber layer 15 is fixedly connected to the inner wall of the valve rubber guide part 14, the inner wall of the butyl rubber layer 15 is fixedly installed with a polyurethane rubber layer 16, the inner wall of the polyurethane rubber layer 16 is fixedly installed with a butadiene rubber layer 17, the inner wall of the butadiene rubber layer 17 is fixedly installed with a vulcanized rubber layer 18, and the inner wall of the vulcanized rubber layer 18 is fixedly connected to the outer wall of the valve rubber sealing part 13. By setting the main body 12 of the valve rubber, the main body 12 of the valve rubber is made of the butyl rubber layer 15, the polyurethane rubber layer 16, the butadiene rubber layer 17 and the vulcanized rubber layer 18 of high-strength and wear-resistant materials, thereby improving the service life and durability of the valve rubber.

[0029] Embodiment 3: Based on Embodiment 1 and Embodiment 2, Figure 4 As shown, the valve rubber sealing part 13 includes an epichlorohydrin rubber layer 19, and the outer wall of the epichlorohydrin rubber layer 19 is fixedly connected to the inner wall of the vulcanized rubber layer 18, the inner wall of the epichlorohydrin rubber layer 19 is fixedly installed with a chlorosulfonated polyethylene rubber layer 20, the inner wall of the chlorosulfonated polyethylene rubber layer 20 is fixedly installed with a nitrile rubber layer 21, the inner wall of the nitrile rubber layer 21 is fixedly installed with a fluororubber layer 22, and the inner wall of the fluororubber layer 22 is fixedly connected to the outer wall of the valve body connecting component 11, and the valve body connecting component 11 is provided, and the valve body connecting component 11 is made of high-strength stainless steel metal material, and is connected to the fracturing pump truck through fasteners such as bolts, thereby ensuring the stability and reliability of the valve rubber. By providing the valve rubber sealing part 13, the valve rubber sealing part 13 is made of epichlorohydrin rubber layer 19, chlorosulfonated polyethylene rubber layer 20, nitrile rubber layer 21 and fluororubber layer 22, and has good elasticity, acid and alkali resistance, oil resistance and sealing performance, and can effectively prevent fluid leakage. By providing the valve rubber guide part 14, which is made of wear-resistant polyethylene material, the valve rubber guide part 14 can guide the fluid to flow in a specified direction, reduce fluid resistance, and is not easily contaminated by impurities.

[0030] The working principle of the utility model is as follows: the main part 12 of the valve rubber is made of a butyl rubber layer 15, a polyurethane rubber layer 16, a butadiene rubber layer 17 and a vulcanized rubber layer 18 of high-strength and wear-resistant materials, which improves the service life and durability of the valve rubber; the valve body connecting component 11 is made of high-strength stainless steel metal material, and is connected to the fracturing pump truck by fasteners such as bolts, which ensures the stability and reliability of the valve rubber; the valve rubber sealing part 13 is made of a composite of a chlorohydrin rubber layer 19, a chlorosulfonated polyethylene rubber layer 20, a nitrile rubber layer 21 and a fluororubber layer 22, which has good elasticity, acid and alkali resistance, oil resistance and sealing performance, and can effectively prevent fluid leakage; the valve rubber guide part 14 is made of a wear-resistant material polyethylene material, which can guide the fluid to flow in a specified direction, reduce fluid resistance, and is not easily contaminated by impurities. The combined valve rubber has a reasonable design, a simple structure, is easy to manufacture and install, and is not easy to damage, which improves its overall service life and can meet the use requirements under different working conditions.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A combined type of valve rubber, comprising a composite type of valve rubber (10), characterized in that: The inner wall of the composite valve rubber (10) is provided with a valve body connecting component (11), the composite valve rubber (10) includes a valve rubber main body (12), a valve rubber sealing part (13) is fixedly installed on the inner wall of the valve rubber main body (12), and the inner wall of the valve rubber sealing part (13) is movably connected to the outer wall of the valve body connecting component (11), a valve rubber guide part (14) is fixedly installed on the outer wall of the valve rubber main body (12), the valve rubber main body (12) includes a butyl rubber layer (15), and the outer wall of the butyl rubber layer (15) is fixedly connected to the inner wall of the valve rubber guide part (14), and the valve rubber sealing part (13) includes an epichlorohydrin rubber layer (19), and the outer wall of the epichlorohydrin rubber layer (19) is fixedly connected to the inner wall of the vulcanized rubber layer (18).

2. The combined type valve rubber according to claim 1, characterized in that: The valve body connecting component (11) is made of stainless steel.

3. The combined type valve rubber according to claim 1, characterized in that: The material of the valve rubber guide part (14) is polyethylene.

4. The combined type valve rubber according to claim 1, characterized in that: A polyurethane rubber layer (16) is fixedly mounted on the inner wall of the butyl rubber layer (15), and a butadiene rubber layer (17) is fixedly mounted on the inner wall of the polyurethane rubber layer (16).

5. The combined type valve rubber according to claim 1, characterized in that: A chlorosulfonated polyethylene rubber layer (20) is fixedly mounted on the inner wall of the epichlorohydrin rubber layer (19), and a nitrile rubber layer (21) is fixedly mounted on the inner wall of the chlorosulfonated polyethylene rubber layer (20).

6. The combined valve rubber according to claim 4, characterized in that: A vulcanized rubber layer (18) is fixedly mounted on the inner wall of the butadiene rubber layer (17).

7. The combined type valve rubber according to claim 6, characterized in that: The inner wall of the vulcanized rubber layer (18) is fixedly connected to the outer wall of the valve rubber sealing part (13).

8. The combined valve rubber according to claim 5, characterized in that: A fluororubber layer (22) is fixedly mounted on the inner wall of the nitrile rubber layer (21).

9. The combined valve rubber according to claim 8, characterized in that: The inner wall of the fluororubber layer (22) is fixedly connected to the outer wall of the valve body connecting component (11).

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