Three-piece quick-install ball valve

By using the snap-fit ​​and clamping bolt connection design of the three-piece quick-install ball valve, the problems of unstable fixing and complex installation of traditional ball valves are solved, achieving stability and safety of fluid control, and improving installation efficiency and sealing performance.

CN224283530UActive Publication Date: 2026-05-26WENZHOU HAIXU FLUID TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU HAIXU FLUID TECH CO LTD
Filing Date
2025-07-10
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Traditional ball valves lack effective fixing measures after installation, and the valve handle is easy to rotate, resulting in unstable valve status and affecting the safety of fluid control; the installation process is complicated, the connection between the valve seat and the valve body is inconvenient, increasing time and cost; and the sealing performance is insufficient and the adaptability is poor.

Method used

A three-piece quick-install ball valve was designed, which uses clips and bayonet joints to fix the valve handle, and clamping bolts to connect the valve seat and valve body. It is equipped with a multi-seal structure, including sealing packing and sealing rings, to improve sealing performance.

Benefits of technology

It prevents the valve handle from rotating under external force, ensures valve stability, enables quick installation and disassembly, reduces labor intensity and cost, enhances sealing performance, and improves the accuracy and safety of fluid control.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224283530U_ABST
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Abstract

This utility model discloses a three-piece quick-install ball valve, relating to the field of valve technology. The three-piece quick-install ball valve includes a main body unit and a clamping unit, with the clamping unit located on both sides of the main body unit. The main body unit is equipped with a valve shell, and a flange is connected to the top of the valve shell. The flange has evenly distributed slots on its outer side. This three-piece quick-install ball valve, through its structure where the clamping parts engage with the slots, effectively prevents the valve handle from rotating under external force, ensuring the stability of the valve's open and closed state and improving the accuracy and safety of fluid control. The design using clamping bolts to connect two sets of valve seats to clamp the valve shell enables rapid installation and disassembly of the ball valve, greatly shortening installation and maintenance time and reducing labor intensity and costs. The multiple sealing structure, including sealing packing, an outer sealing ring, and a valve seat sealing ring, effectively improves the sealing performance of the ball valve.
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Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically a three-piece quick-install ball valve. Background Technology

[0002] Ball valves are a common fluid control component and are widely used in many fields such as industrial production and water supply and drainage systems.

[0003] Traditional ball valves have several shortcomings in terms of structural design and installation. Some ball valves lack effective means of securing the valve handle after installation, making it prone to rotation under external impact or vibration. This can alter the valve's open / closed state, affecting normal fluid control and potentially causing safety accidents. Furthermore, the installation process for traditional ball valves is relatively complex, with inconvenient connection between the valve seat and body, increasing installation and maintenance time and costs. In addition, the sealing structure of traditional ball valves needs further optimization to improve their adaptability to different fluid media and their sealing reliability.

[0004] After installation, some ball valves lack a fixed valve handle, making them susceptible to rotation by external forces. This can lead to accidental opening and closing of the valve, affecting normal fluid control and potentially causing safety accidents. Furthermore, the connection between the valve seat and the valve body in traditional ball valves is not convenient, increasing the time and cost of installation and maintenance. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a three-piece quick-install ball valve, which solves the problem that some ball valves lack a fixing mechanism after installation, making the valve handle susceptible to rotation by external forces, leading to accidental opening and closing of the valve, affecting normal fluid control, and potentially causing safety accidents; the connection between the valve seat and the valve body of traditional ball valves is not convenient enough, increasing the time and cost of installation and maintenance.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a three-piece quick-install ball valve, comprising a main body unit and a clamping unit, wherein the clamping unit is located on both sides of the main body unit, and the main body unit comprises;

[0007] A valve housing, the top of which is connected to a flange, and the flange has evenly distributed bayonet openings on its outer side;

[0008] A valve stem is inserted into the inside of a flange, and a valve handle is sleeved on the outside of the valve stem. A retaining element is sleeved on the valve handle, and the retaining element can engage with a bayonet to prevent the valve handle from rotating under external force.

[0009] The clamping unit is provided with a valve seat, and the valve seat is provided with two sets that are respectively inserted into both ends of the valve body.

[0010] Preferably, a positioning element is provided on the outer side of the valve body, the positioning element is connected to both sides of the flange, and a limit bolt is inserted into the flange.

[0011] Preferably, a fixing nut is sleeved on the outer side of the valve stem, and the fixing nut is located above the valve handle.

[0012] Preferably, a valve cover and sealing packing are sleeved on the outside of the valve handle, the valve cover and sealing packing are inserted into the inside of the flange, the valve cover is located below the valve handle, and the sealing packing is located below the valve cover.

[0013] Preferably, a valve ball is connected to the bottom of the valve stem, and the valve ball is located inside the valve body.

[0014] Preferably, an outer sealing ring is snapped onto the outer side of the valve seat, and the outer sealing ring is in contact with the valve body; a valve seat sealing ring is snapped onto the inner side of the valve seat, and the valve seat sealing ring is in contact with the valve ball.

[0015] Preferably, a clamping bolt is inserted into the outer side of the valve seat, and the clamping bolt is used to connect two sets of valve seats to clamp the valve body.

[0016] This utility model discloses a three-piece quick-install ball valve. Compared with the prior art, the beneficial effects of this utility model are:

[0017] This utility model, by setting a structure in which the locking element and the locking slot are engaged, can effectively prevent the valve handle from rotating under the action of external force, ensure the stability of the valve opening and closing state, and improve the accuracy and safety of fluid control.

[0018] The design of using clamping bolts to connect two sets of valve seats to clamp the valve body enables the ball valve to be installed and disassembled quickly, which greatly shortens the installation and maintenance time and reduces labor intensity and cost.

[0019] The multi-seal structure, including sealing packing, outer sealing ring, and valve seat sealing ring, effectively improves the sealing performance of the ball valve and enhances its adaptability to different fluid media and operational reliability. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the main unit of this utility model;

[0022] Figure 3 This is a cross-sectional structural diagram of the main unit of this utility model;

[0023] Figure 4 This is a schematic diagram of the clamping unit of this utility model;

[0024] Figure 5This is a cross-sectional structural diagram of the clamping unit of this utility model.

[0025] In the diagram: 1. Main body unit; 11. Valve body; 111. Positioning element; 112. Flange; 113. Bayonet; 114. Limit bolt; 12. Valve stem; 121. Fixing nut; 122. Valve handle; 123. Clamping element; 124. Valve cover; 125. Sealing packing; 126. Valve ball; 2. Clamping unit; 21. Valve seat; 212. Outer sealing ring; 213. Valve seat sealing ring; 22. Clamping bolt. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] This application provides a three-piece quick-install ball valve, which solves the problem that some ball valves lack a fixing measure after installation, making the valve handle susceptible to rotation by external force, leading to accidental opening and closing of the valve, affecting the normal control of fluid, and even potentially causing safety accidents; the traditional ball valve has an inconvenient connection between the valve seat and the valve body, increasing the time and cost of installation and maintenance, and enables the valve handle to be snapped and fixed, improving the convenience of connecting the valve seat and the valve body.

[0028] This utility model discloses a three-piece quick-install ball valve.

[0029] Example 1: According to the appendix Figure 1-5 As shown, the device includes a main body unit 1 and a clamping unit 2. The clamping unit 2 is located on both sides of the main body unit 1. The main body unit 1 includes a valve shell 11 and a valve stem 12. A flange 112 is connected to the top of the valve shell 11. The flange 112 has evenly distributed bayonet slots 113 on its outer side. The valve stem 12 is inserted into the inner side of the flange 112. A valve handle 122 is sleeved on the outer side of the valve stem 12. A retaining element 123 is sleeved on the valve handle 122. The retaining element 123 can engage with the bayonet slots 113 to prevent the valve handle 122 from rotating under external force. The clamping unit 2 is provided with a valve seat 21. The valve seat 21 has two sets of valve seats that are respectively inserted into both ends of the valve shell 11.

[0030] This invention, through the structure of the locking piece 123 engaging with the bayonet 113, effectively prevents the valve handle 122 from rotating under external force, ensuring the stability of the valve's opening and closing state and improving the accuracy and safety of fluid control. The design of using clamping bolts 22 to connect two sets of valve seats 21 to clamp the valve body 11 enables rapid installation and disassembly of the ball valve, significantly shortening installation and maintenance time and reducing labor intensity and costs. The multiple sealing structure, including sealing packing 125, an outer sealing ring 212, and a valve seat sealing ring 213, effectively improves the sealing performance of the ball valve, enhancing its adaptability to different fluid media and operational reliability.

[0031] Furthermore, a positioning element 111 is provided on the outer side of the valve body 11. The positioning element 111 is connected to both sides of the flange 112. A limit bolt 114 is inserted into the flange 112. The limit bolt 114 is used to limit the rotation angle of the valve handle 122 and prevent the valve handle 122 from rotating excessively.

[0032] Furthermore, a fixing nut 121 is sleeved on the outside of the valve stem 12. The fixing nut 121 is located above the valve handle 122 and is used to fix the valve handle 122.

[0033] Specifically disclosed, a valve cover 124 and a sealing packing 125 are fitted onto the outside of the valve handle 122. The valve cover 124 and the sealing packing 125 are inserted into the inside of the flange 112. The valve cover 124 is located below the valve handle 122, and the sealing packing 125 is located below the valve cover 124. The valve cover 124 and the sealing packing 125 are used to seal the flange 112 to prevent leakage.

[0034] Specifically disclosed, a valve ball 126 is connected to the bottom of the valve stem 12, and the valve ball 126 is located inside the valve body 11.

[0035] It should be emphasized that an outer sealing ring 212 is snapped onto the outside of the valve seat 21, and the outer sealing ring 212 is in contact with the valve body 11. A valve seat sealing ring 213 is snapped onto the inside of the valve seat 21, and the valve seat sealing ring 213 is in close contact with the valve ball 126.

[0036] Example 2: According to the appendix Figure 1-5 As shown, the device includes a main body unit 1 and a clamping unit 2. The clamping unit 2 is located on both sides of the main body unit 1. The main body unit 1 includes a valve shell 11 and a valve stem 12. A flange 112 is connected to the top of the valve shell 11. The flange 112 has evenly distributed bayonet slots 113 on its outer side. The valve stem 12 is inserted into the inner side of the flange 112. A valve handle 122 is sleeved on the outer side of the valve stem 12. A retaining element 123 is sleeved on the valve handle 122. The retaining element 123 can engage with the bayonet slots 113 to prevent the valve handle 122 from rotating under external force. The clamping unit 2 is provided with a valve seat 21. The valve seat 21 has two sets of valve seats that are respectively inserted into both ends of the valve shell 11.

[0037] It should be emphasized that a clamping bolt 22 is inserted into the outside of the valve seat 21. The clamping bolt 22 is used to connect the two sets of valve seats 21 to clamp the valve body 11.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A three-piece quick-install ball valve, comprising a main body unit (1) and a clamping unit (2), wherein the clamping unit (2) is located on both sides of the main body unit (1), characterized in that, The main body unit (1) includes; A valve housing (11) is connected to a flange (112) on its top, and the flange (112) has evenly distributed bayonet slots (113) on its outer side. A valve stem (12) is inserted into the inside of a flange (112). A valve handle (122) is sleeved on the outside of the valve stem (12). A retainer (123) is sleeved on the valve handle (122). The retainer (123) can engage with the bayonet (113) to prevent the valve handle (122) from rotating under external force. The clamping unit (2) is provided with a valve seat (21), and the valve seat (21) is provided with two sets that are respectively inserted into both ends of the valve body (11).

2. The three-piece quick-install ball valve according to claim 1, characterized in that, A positioning element (111) is provided on the outside of the valve body (11). The positioning element (111) is connected to both sides of the flange (112). Limit bolts (114) are inserted into the flange (112).

3. The three-piece quick-install ball valve according to claim 1, characterized in that, A fixing nut (121) is sleeved on the outside of the valve stem (12), and the fixing nut (121) is located above the valve handle (122).

4. The three-piece quick-install ball valve according to claim 1, characterized in that, A valve cover (124) and a sealing packing (125) are sleeved on the outside of the valve handle (122). The valve cover (124) and the sealing packing (125) are inserted into the inside of the flange (112). The valve cover (124) is located below the valve handle (122), and the sealing packing (125) is located below the valve cover (124).

5. The three-piece quick-install ball valve according to claim 1, characterized in that, The bottom of the valve stem (12) is connected to a valve ball (126), which is located inside the valve body (11).

6. The three-piece quick-install ball valve according to claim 1, characterized in that, An outer sealing ring (212) is snapped onto the outside of the valve seat (21), and the outer sealing ring (212) is in contact with the valve body (11). A valve seat sealing ring (213) is snapped onto the inside of the valve seat (21), and the valve seat sealing ring (213) is in contact with the valve ball (126).

7. The three-piece quick-install ball valve according to claim 1, characterized in that, A clamping bolt (22) is inserted into the outside of the valve seat (21), and the clamping bolt (22) is used to connect the two sets of valve seats (21) to clamp the valve body (11).