High-wear-resistance integral valve body

Abstract

The utility model discloses a high wear-resistant integral valve body, which relates to the technical field of valve bodies, and comprises a valve body, a valve plate is sleeved outside the circumference of the top of the valve body, a valve rubber is sleeved at the bottom of the circumference outside of the valve body and at the bottom of the valve plate, and the valve plate and the valve rubber are connected with each other. An anti-wear assembly is arranged on the outer portion of the middle circumference of the valve body and located between the valve plate and the valve rubber in a sleeving mode, and a plurality of guide supporting legs are fixedly connected to the outer portion of the bottom circumference of the valve body. The high-wear-resistance integral valve body is reasonable and reliable in structure and easy to operate, the pressure resistance of the high-wear-resistance integral valve body is effectively improved under the action of the wear-resistance assembly, the friction force at the joint of the outer side of the circumference of the outer ring sleeve can be improved under the action of the sealing piece, meanwhile, drilling fluid can be prevented from flowing out of the inner side of the circumference of the outer ring sleeve to pollute the valve body, and the service life of the valve body is prolonged. The valve body has the performance of high abrasion resistance, low friction, high pressure resistance and the like, and therefore the sealing performance and the abrasion resistance of the high-abrasion-resistance integral valve body are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve bodies, and more specifically, to a high anti-wear integral valve body. Background Art

[0002] During the drilling process, drilling mud (also called drilling fluid) is indispensable. Drilling mud can balance formation pressure, prevent well kicks and blowouts, prevent wellbore collapse, cool drilling tools and drill pipes, scour and clean the bottom of the well, reduce the friction between the drill pipe and the wellbore or casing wall, improve the drilling speed, bring the cuttings drilled down back to the surface in time for continuous drilling, and provide effective protection for low-permeability oil and gas fields. During the drilling process, the role of drilling mud is very important, which is directly related to the safety, cost of drilling, and the production and ultimate recovery rate of oil and gas fields. As a one-way valve, the valve body is the core component of the oil and gas fracturing piston pump. However, due to the harsh working environment, the existing valve bodies are easily subject to high-pressure wear, and it is not convenient to prevent the leakage of drilling fluid between the valve rubber and the valve plate, nor to reduce the direct contact and friction between the valve rubber and the valve plate, resulting in accelerated wear due to direct friction between the two, thereby reducing the service life of the valve rubber and the valve plate while also affecting the safety and efficiency of drilling operations.

[0003] For example, Chinese Patent CN215889977U discloses a high anti-wear integral valve body, including a valve body. A valve rubber is sleeved on the top surface of the valve body. A valve plate is threadedly connected to the surface of the valve body and above the valve rubber. A spring seat is fixedly connected to the top of the valve plate, and a gripper is fixedly connected to the inside of the spring seat at the top of the valve plate. A guiding leg is fixedly connected to the bottom surface of the valve body.

[0004] This high anti-wear integral valve body has the following disadvantages: Although a valve rubber is sleeved on the top surface of the valve body, when high manganese steel is subjected to severe impact or contact stress, its surface will quickly harden while the core still maintains extremely strong toughness. The outer hardness and inner toughness are both wear-resistant and impact-resistant. However, due to the harsh working environment, it is easily subject to high-pressure wear of the valve body, and it is not convenient to prevent the leakage of drilling fluid between the valve rubber and the valve plate, nor to reduce the direct contact and friction between the valve rubber and the valve plate, resulting in accelerated wear due to direct friction between the two, thereby reducing the service life of the valve rubber and the valve plate while also affecting the safety and efficiency of drilling operations.

[0005] In view of the problems in the related art, no effective solution has been proposed yet. Summary of the Utility Model

[0006] In view of the problems in the related art, the present utility model proposes a high anti-wear integral valve body to overcome the above-mentioned technical problems existing in the existing related technologies.

[0007] To this end, the specific technical solution adopted by the present utility model is as follows:

[0008] A high anti-wear integral valve body, including a valve body, a valve plate is sleeved on the outer circumference of the top of the valve body, a valve rubber is sleeved on the outer circumference of the bottom of the valve body and located at the bottom of the valve plate, an anti-wear component is sleeved on the outer circumference of the middle of the valve body and located between the valve plate and the valve rubber, and a plurality of guiding legs are fixedly connected to the outer circumference of the bottom of the valve body.

[0009] Furthermore, in order to well enhance the sealing performance and stability of the valve body under the action of the anti-wear component, and enable the valve body to have properties such as high wear resistance, low friction, and high pressure resistance, thereby improving the sealing and wear resistance of the high anti-wear integral valve body, the anti-wear component includes an outer sleeve arranged between the valve plate and the valve rubber, an I-shaped skeleton is arranged on the outer side of the inside of the outer sleeve, a cross-shaped elastic strip is arranged on one side of the I-shaped skeleton and located inside the outer sleeve, a first annular groove is opened at the top end of the outer sleeve, sliding grooves are symmetrically opened on the bottom side wall of the first annular groove, a pressure-resistant member is arranged between the two sliding grooves, the pressure-resistant member includes sliding plates arranged in the two sliding grooves, an arc-shaped elastic plate is arranged between the two sliding plates, a sealing member is arranged on the inner circumference of the top of the outer sleeve, a second annular groove is opened at the bottom of the outer sleeve, a steel ring is arranged inside the second annular groove, an anti-wear member is arranged on the inner circumference of the bottom of the outer sleeve, and a convex high-pressure sheath is arranged on one side of the second annular groove and located at the bottom of the outer sleeve.

[0010] Furthermore, in order to prevent the drilling fluid from flowing out of the inner circumference of the outer sleeve and polluting the valve body under the action of the sealing member, making the sealing performance of the outer sleeve more stable, thereby improving the service life of the high anti-wear integral valve body, the sealing member is composed of a plurality of sealing lips, and the plurality of sealing lips are arranged equidistantly from top to bottom on the inner circumference of the top of the outer sleeve, the side wall of the sealing lip is set as an arc-shaped structure, and the end directions of the sealing lips are the same.

[0011] Furthermore, in order to prevent the valve rubber from directly contacting the valve under the action of the anti-wear member, thereby reducing the friction between the two and improving the service life of the valve rubber and the valve, the anti-wear member is composed of two anti-wear lips, the side wall of the anti-wear lip is set as an arc-shaped structure, and the end directions of the two groups of anti-wear lips are opposite.

[0012] Furthermore, in order to ensure the structural strength of the guiding legs while reducing the weight of the guiding legs under the action of the guiding legs, thereby reducing the manufacturing cost of the guiding legs and improving the economic benefits of the enterprise, a plurality of mesh-shaped keels are opened on one side of each guiding leg.

[0013] The beneficial effects of the present utility model are:

[0014] 1. The structure of the utility model is reasonable and reliable, and the operation is simple. Under the action of the anti-wear component, when the outer sleeve is extruded by a horizontal external force, the outer sleeve can be subjected to compressive stress relief, thereby effectively improving the compressive resistance of the high anti-wear integral valve body. And under the action of the seal, the friction force at the connection of the outer circumference of the outer sleeve can be increased, making the installation of the outer sleeve more stable. At the same time, it can prevent the drilling fluid from flowing out from the inner circumference of the outer sleeve and polluting the valve body. Under the action of the anti-wear part, it can prevent the valve rubber from directly contacting the valve, reducing the friction force between the two. Under the action of the guiding leg, while ensuring the structural strength of the guiding leg, the weight of the guiding leg can be reduced, thereby reducing the manufacturing cost of the guiding leg and improving the economic benefits of the enterprise.

[0015] 2. By setting the anti-wear component, under the action of the I-shaped skeleton, cross-shaped elastic strip and steel ring, the self-strength of the anti-wear component can be improved. When the anti-wear component is installed, a reaction force can be generated on the inner circumference of the outer sleeve, thereby improving the sealing performance and stability of the connection between the inner side of the outer sleeve and the valve body. And it makes the valve body have the properties of high wear resistance, low friction, high pressure resistance, etc., thereby improving the sealing performance and wear resistance of the high anti-wear integral valve body.

[0016] 3. By setting the guiding leg, while ensuring the structural strength of the guiding leg, the weight of the guiding leg can be reduced, thereby reducing the manufacturing cost of the guiding leg and improving the economic benefits of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 is a three-dimensional view of a high anti-wear integral valve body according to an embodiment of the present utility model;

[0019] Figure 2 is a structural schematic diagram of the guiding leg in a high anti-wear integral valve body according to an embodiment of the present utility model;

[0020] Figure 3 is a structural schematic diagram of the anti-wear component in a high anti-wear integral valve body according to an embodiment of the present utility model;

[0021] Figure 4 is a cross-sectional view of the anti-wear component in a high anti-wear integral valve body according to an embodiment of the present utility model;

[0022] Figure 5 Yes Figure 4 Partial enlarged view at position A in the figure.

[0023] In the figure:

[0024] 1. Valve body; 2. Valve plate; 3. Valve rubber; 4. Anti-wear component; 401. Outer sleeve; 402. I-shaped skeleton; 403. Cross-shaped elastic strip; 404. First annular groove; 405. Slide groove; 406. Compression-resistant component; 4061. Slide plate; 4062. Arc-shaped elastic plate; 407. Sealing component; 4071. Sealing lip; 408. Second annular groove; 409. Steel ring; 4010. Anti-wear component; 40101. Anti-wear lip; 4011. Convex high-pressure sheath; 5. Guide leg; 501. Mesh keel. Specific embodiments

[0025] To further illustrate the embodiments, the present utility model provides drawings, which are part of the disclosure of the present utility model. These drawings are mainly used to illustrate the embodiments and can be combined with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0026] According to an embodiment of the present utility model, a high anti-wear integral valve body is provided.

[0027] Now, the present utility model will be further described in conjunction with the drawings and specific embodiments. As Figures 1 - 5 shown, the high anti-wear integral valve body according to an embodiment of the present utility model includes a valve body 1. A valve plate 2 is sleeved on the outer circumference of the top of the valve body 1. A valve rubber 3 is sleeved on the outer circumference of the bottom of the valve body 1 and at the bottom of the valve plate 2. An anti-wear component 4 is sleeved on the outer circumference of the middle of the valve body 1 and between the valve plate 2 and the valve rubber 3. A plurality of guide legs 5 are fixedly connected to the outer circumference of the bottom of the valve body 1.

[0028] In addition, the structures and working principles of the valve body 1, valve plate 2, valve rubber 3, cross-shaped elastic strip 403, steel ring 409, and arc-shaped elastic plate 4062 are all prior arts, and will not be elaborated here.

[0029] In one embodiment, for the above-mentioned anti-wear component 4, the anti-wear component 4 includes an outer sleeve 401 disposed between the valve plate 2 and the valve rubber 3. An I-shaped skeleton 402 is provided on the inner and outer sides of the outer sleeve 401. A cross-shaped elastic strip 403 is provided on one side of the I-shaped skeleton 402 and inside the outer sleeve 401. An annular groove 404 is formed at the top of the outer sleeve 401. Slide grooves 405 are symmetrically formed on the bottom side wall of the annular groove 404. A pressure-resistant member 406 is provided between the two slide grooves 405. The pressure-resistant member 406 includes a slide plate 4061 disposed inside the two slide grooves 405. An arc-shaped elastic plate 4062 is provided between the two slide plates 4061. A seal 407 is provided on the inner circumference of the top of the outer sleeve 401. An annular groove 408 is formed at the bottom of the outer sleeve 401. A steel ring 409 is provided inside the annular groove 408. An anti-wear member 4010 is provided on the inner circumference of the bottom of the outer sleeve 401. A convex high-pressure sheath 4011 is provided on one side of the annular groove 408 and at the bottom of the outer sleeve 401. The seal 407 is composed of a plurality of seal lips 4071, and the plurality of seal lips 4071 are arranged equidistantly from top to bottom on the inner circumference of the top of the outer sleeve 401. The side wall of the seal lip 4071 is an arc-shaped structure, and the end directions of the seal lips 4071 are the same. The anti-wear member 4010 is composed of two anti-wear lips 40101. The side wall of the anti-wear lip 40101 is an arc-shaped structure, and the end directions of the two groups of anti-wear lips 40101 are opposite. Under the action of the I-shaped skeleton 402, the cross-shaped elastic strip 403 and the steel ring 409, the self-strength of the anti-wear component 4 can be improved. When the anti-wear component 4 is installed, a reaction force can be generated on the inner circumference of the outer sleeve 401, thereby improving the sealing performance and stability of the connection between the inner side of the outer sleeve 401 and the valve body 1. And the valve body 1 has properties such as high wear resistance, low friction, and high pressure resistance, thereby improving the sealing performance and wear resistance of the high anti-wear integral valve body.

[0030] The specific working principle of the anti-wear component 4 is as follows: When the valve body is in use, the anti-wear component plays a key protective and strengthening role through its complex structural design. The outer sleeve 401 provides a solid outer shell for the whole component. The internal I-shaped skeleton 402 and cross-shaped elastic strip 403 work together to increase the overall structural strength and elasticity, helping to absorb and disperse the forces generated by external impacts and internal pressure changes. The design of the first annular groove 404 and the sliding groove 405 in cooperation with the pressure-resistant part 406 allows the sliding plate 4061 to move and adjust along the inner wall of the sliding groove 405 when necessary, enabling it to adapt to internal pressure changes and at the same time reducing the direct action of pressure on key parts. The arc-shaped elastic plate 4062 provides additional elastic support, enhancing the overall pressure resistance. The seal 407 is composed of multiple sealing lips 4071, which closely adhere to the inner top of the outer sleeve, effectively preventing pollutants from entering the interior and at the same time maintaining the necessary sealing state to prevent fluid leakage. The anti-wear lip 40101 of the anti-wear part 4010 is arranged at the bottom of the outer sleeve, reducing the direct friction between the valve plate 2 and the valve body 1 and extending the overall service life. Finally, by setting the convex high-pressure sheath 4011 and the steel ring 409, the stability and durability of the anti-wear component 4 in a high-pressure environment are improved, ensuring the reliability of the component under extreme conditions. The anti-wear component 4 not only improves the sealing performance and stability of the valve body 1, but also significantly enhances the overall wear resistance and pressure resistance, meeting the requirements of high load and complex environments.

[0031] In one embodiment, for the above-mentioned guiding leg 5, a number of mesh keels 501 are provided on one side of the guiding leg 5, so that under the action of the guiding leg 5, while ensuring the structural strength of the guiding leg 5, the weight of the guiding leg 5 is reduced, thereby reducing the manufacturing cost of the guiding leg 5 and improving the economic benefits of the enterprise.

[0032] To facilitate the understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in the actual process will be described in detail below.

[0033] In actual application, when the valve body 1 is in use, the valve plate 2 can control the flow direction or pressure of the internal fluid, and the valve rubber 3 provides the necessary sealing and wear protection to prevent external factors from damaging or eroding the valve body. The anti-wear component 4, as a protective layer between the valve plate 2 and the valve rubber 3, protects the valve body 1 from friction and wear, especially in the middle part of the valve body 1, which is usually the area with the greatest stress. The guiding leg 5 helps the valve body 1 to maintain stability, prevent damage caused by vibration or movement, and can ensure the structural strength of the guiding leg 5 while reducing the weight of the guiding leg 5, thereby reducing the manufacturing cost of the guiding leg 5 and improving the economic benefits of the enterprise.

[0034] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "setting", "connection", "fixation", "swivel connection" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A highly wear-resistant integral valve body, comprising a valve body (1), characterized in that: The top circumferential outer portion of the valve body (1) is sleeved with a valve plate (2); the bottom circumferential outer portion of the valve body (1) and located at the bottom of the valve plate (2) is sleeved with a valve rubber (3); the valve plate (2) and the valve rubber (3) are sleeved with an anti-wear component (4); the middle circumferential outer portion of the valve body (1) and located between the valve plate (2) and the valve rubber (3); and the bottom circumferential outer portion of the valve body (1) is fixedly connected with a plurality of guide legs (5).

2. A highly wear-resistant integral valve body according to claim 1, characterized in that: The anti-wear component (4) comprises an outer ring (401) arranged between the valve plate (2) and the valve rubber (3); an I-shaped frame (402) is arranged on the inner and outer sides of the outer ring (401); and a cross-shaped elastic strip (403) is arranged on one side of the I-shaped frame (402) and inside the outer ring (401); The top of the outer ring sleeve (401) is provided with an annular groove (404), the bottom side wall of the annular groove (404) is symmetrically provided with sliding grooves (405), and a pressure-resistant member (406) is provided between the two sliding grooves (405).

3. A highly wear-resistant integral valve body according to claim 2, characterized in that: The pressure-resistant member (406) comprises a slide plate (4061) arranged inside the two slide grooves (405), and an arc-shaped elastic plate (4062) is arranged between the two slide plates (4061).

4. A highly wear-resistant integral valve body according to claim 3, characterized in that: A sealing member (407) is arranged on the inner side of the circumference of the top of the outer ring sleeve (401), a second annular groove (408) is provided on the bottom of the outer ring sleeve (401), a steel ring (409) is arranged inside the second annular groove (408), an anti-wear member (4010) is arranged on the inner side of the circumference of the bottom of the outer ring sleeve (401), and a convex high-voltage sheath (4011) is arranged on one side of the second annular groove (408) and at the bottom of the outer ring sleeve (401).

5. A highly wear-resistant integral valve body according to claim 4, characterized in that: The sealing member (407) is composed of a plurality of sealing lips (4071), and the plurality of sealing lips (4071) are arranged equidistantly from top to bottom on the inner side of the top circumference of the outer ring sleeve (401), the side walls of the sealing lips (4071) are arranged as an arc structure, and the end directions of the sealing lips (4071) are all the same.

6. A highly wear-resistant integral valve body according to claim 5, characterized in that: The anti-wear component (4010) is composed of two anti-wear lips (40101), the side walls of the anti-wear lips (40101) are arranged in an arc-shaped structure, and the ends of the two groups of anti-wear lips (40101) are in opposite directions.

7. The highly wear-resistant integral valve body according to claim 1, characterized in that: A plurality of mesh keels (501) are provided on one side of each of the guide legs (5).

Images