A portable three-piece ball valve
The design of the locking and hook components solves the problem of single-person operation of three-piece ball valves on vertical walls, enabling convenient installation and disassembly, and improving installation efficiency and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA VALVE HUACHUANG VALVE (XIAMEN) CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-06-23
AI Technical Summary
Existing three-piece ball valves are difficult to install and remove on vertical walls, especially heavy valve bodies, which are difficult for a single person to complete.
The design employs a locking assembly and a hook clamp assembly. The locking assembly achieves rapid positioning through the cooperation of a slider and a locking strip, while the hook clamp assembly uses a track base and a sliding component to assist in fixing the valve body. Combined with a threaded locking structure, it achieves convenient connection.
It enables a single person to easily install and disassemble the three-piece ball valve, reducing the difficulty of operation and improving installation efficiency and stability.
Smart Images

Figure CN224397182U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of valve installation technology, specifically a portable three-piece ball valve. Background Technology
[0002] A three-piece ball valve is a common type of valve, mainly composed of a valve body, ball, seat, stem, and transmission mechanism. Its distinguishing feature is that the valve body consists of three independent parts: a left valve body, a middle valve body, and a right valve body. These three parts are combined together using a specific connection method, encapsulating key components such as the ball and seat within them.
[0003] A three-piece quick-assembly ball valve is disclosed in the prior art, Chinese utility model patent with publication number CN220060607U, which includes a valve body cylinder. Both ends of the valve body cylinder are provided with connecting pipes. Connecting pieces are fixed to the outer wall of the connecting pipes near the valve body cylinder. Connecting ears are fixed to the four corners of the connecting pieces. Connecting ears of matching size are fixed to the outer wall between the two connecting ears at the top of the valve body cylinder. Bolt rods are inserted through the four connecting ears on one side. The two connecting pipes of this device can be quickly assembled by threading the bolt rods through the connecting ears and connecting ears and then connecting them with the nuts. It also facilitates disassembly and can be easily disassembled for maintenance to perform corresponding operations on its internal parts. The existing technology enables quick assembly and disassembly of ball valves through the threaded connection of bolts and nuts. However, for three-piece ball valves installed on vertical walls, this structure is extremely inconvenient to install because it consists of three pieces. Specifically, the installer often needs to hold two valve pieces with one hand and stabilize the third valve piece with the other hand. At the same time, the bolts need to be inserted and the nuts need to be turned to lock the three valve pieces. It is often difficult for one person to complete the assembly and disassembly. In addition, some valve pieces may be quite heavy, making the assembly and disassembly difficult. Therefore, a portable three-piece ball valve is proposed. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a portable three-piece ball valve with advantages such as easy installation. It solves the problems of existing three-piece ball valves installed on vertical walls, which are difficult to disassemble and install due to their complex structure, and the difficulty in installing some of the heavier valve bodies.
[0006] (II) Technical Solution
[0007] To achieve the aforementioned goal of convenient installation, this utility model provides the following technical solution:
[0008] A portable three-piece ball valve includes a first valve body assembly and two second valve body assemblies, with the second valve body assemblies disposed on both sides of the first valve body assembly;
[0009] The first valve body assembly includes an intermediate valve, a ball valve core, and an adjusting handle. The ball valve core is fixedly connected to the adjusting handle and rotatably disposed inside the intermediate valve.
[0010] The two second valve bodies are provided with flange one on opposite sides and flange two on opposite sides;
[0011] The flange one is provided with a locking assembly that cooperates with the intermediate valve, and the flange two is provided with a hook clamp assembly;
[0012] The two flanges are connected to each other by a locking assembly;
[0013] At least two sets of locking and hook assemblies are provided on the same flange.
[0014] As a preferred technical solution of this utility model, the locking assembly includes a slider and a locking strip. A first groove along the water flow direction is opened on the side of the intermediate valve, and a second groove perpendicular to the water flow direction is opened on the inner wall of the first groove. The slider slides in the second groove, and the locking strip slides in the first groove. One end of the locking strip is fixed to a side of the flange, and the other end is engaged with the slider.
[0015] As a preferred embodiment of this utility model, a round rod extending through the intermediate valve to the outside is fixed on the slider, and a spring is sleeved on the round rod inside the slide groove.
[0016] As a preferred embodiment of this utility model, the slider and the card strip are respectively provided with a first chamfer and a second chamfer.
[0017] As a preferred technical solution of this utility model, the locking assembly adopts a threaded locking structure, and the two flanges are connected and locked together by bolts and nuts.
[0018] As a preferred technical solution of this utility model, the hook clamp assembly includes a track base with a sliding groove three, and a sliding member that slides perpendicular to the valve body axis is provided on the sliding groove three. The sliding member is an L-shaped sheet structure.
[0019] As a preferred technical solution of this utility model, at least two sliding rods that pass through the sliding members are fixed on the track base, and each sliding rod is fitted with a spring located on the opposite side of the two sliding members.
[0020] (III) Beneficial Effects
[0021] Compared with the prior art, this utility model provides a portable three-piece ball valve with the following advantages:
[0022] This portable three-piece ball valve, through the cooperation of the slider, locking strip and the intermediate valve in the locking assembly, allows the second valve body assembly to be quickly positioned and locked with the first valve body assembly. It can be operated by a single person, solving the problem of the inconvenience of single-person operation when installing three-piece ball valves on vertical walls.
[0023] This portable three-piece ball valve, through the setting of the track base, sliding parts and spring 2 in the hook clamp assembly, can hook onto both sides of the installation flange of the pipeline during installation, to help fix the valve body, reduce the burden of operation, reduce the difficulty of installation, and improve the efficiency and convenience of installation. Attached Figure Description
[0024] Figure 1 This is a perspective view of the overall structure of this utility model;
[0025] Figure 2 This is a schematic diagram of the structure of the second valve body assembly and the hook clamp assembly in this utility model;
[0026] Figure 3 This is a schematic diagram of the card lock assembly in this utility model;
[0027] Figure 4 This is a cross-sectional view of the overall structure of this utility model.
[0028] In the diagram: 100, First valve body assembly; 101, Intermediate valve; 102, Ball valve core; 103, Adjusting handle; 104, Slide groove one; 105, Slide groove two; 200, Second valve body assembly; 201, Flange one; 202, Flange two; 300, Locking structure; 400, Locking assembly; 401, Slider; 402, Locking strip; 403, Round rod; 404, Spring one; 4011, First chamfer; 4021, Second chamfer; 500, Hook and clamp assembly; 501, Track base; 502, Slide groove three; 503, Sliding element; 504, Slide rod; 505, Spring two. Detailed Implementation
[0029] 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.
[0030] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0032] Please see Figure 1-4 A portable three-piece ball valve includes a first valve body assembly 100 and two second valve body assemblies 200, with the second valve body assemblies 200 disposed on both sides of the first valve body assembly 100. The first valve body assembly 100 includes an intermediate valve 101, a ball valve core 102, and an adjusting handle 103. The ball valve core 102 is fixedly connected to the adjusting handle 103 and rotatably disposed inside the intermediate valve 101. The two second valve bodies 200 have flanges 1-201 on opposite sides and flanges 2-202 on opposite sides. Flange 1-201 is provided with a locking assembly 400 that cooperates with the intermediate valve 101, and flange 2-202 is provided with a hook clamp assembly 500. The two flanges 1-201 are connected to each other by a locking assembly 300. At least two sets of locking assemblies 400 and hook clamp assemblies 500 are provided on the same flange.
[0033] It should be noted that the first valve body assembly 100, as the core control part of the entire ball valve, provides space for the installation and rotation of the ball valve core 102 through the intermediate valve 101. The ball valve core 102 is fixedly connected to the adjusting handle 103, allowing the operator to control the rotation of the ball valve core 102 by rotating the adjusting handle 103, thereby opening and closing the ball valve and controlling the flow of fluid. Two second valve body assemblies 200 are respectively located on both sides of the first valve body assembly 100, serving to connect pipelines. Flange 1 201 and Flange 2 202 provide the structural basis for connection with other components. Sealing rubber rings are provided at the mating points between the two second valve body assemblies 200 and the first valve body assembly 100 to enhance the leak-proof effect.
[0034] In this embodiment, the locking assembly 400 includes a slider 401 and a locking strip 402. The side of the intermediate valve 101 is provided with a first groove 104 along the water flow direction, and the inner wall of the first groove 104 is provided with a second groove 105 perpendicular to the water flow direction. The slider 401 slides in the second groove 105, and the locking strip 402 slides in the first groove 104. One end of the locking strip 402 is fixed to the side of the flange 201, and the other end is engaged with the slider 401.
[0035] It should be noted that the locking assembly 400 is designed to achieve rapid positioning and engagement between the second valve body assembly 200 and the first valve body assembly 100. The sliding grooves 104 and 105 have different opening directions. The slider 401 slides within the second sliding groove 105, while the locking strip 402 slides within the first sliding groove 104. This structural design allows the slider 401 to move accordingly within the second sliding groove 105 by pushing the locking strip 402 during installation, thereby achieving accurate engagement between the locking strip 402 and the slider 401. This securely connects the second valve body assembly 200 to the first valve body assembly 100, facilitating single-person operation.
[0036] It should be further explained that the slide groove 104 is reserved with sufficient length to ensure that when the locking strip 402 and the slider 401 are engaged, the second valve body assembly 200 and the first valve body assembly 100 still have a certain fitting gap. At this time, the locking assembly 300 is used to fix the second valve body assembly 200 and the first valve body assembly 100.
[0037] In this embodiment, a round rod 403 extending through the intermediate valve 101 to the outside is also fixed on the slider 401, and a spring 404 located inside the slide groove 105 is sleeved on the round rod 403.
[0038] It should be noted that the round rod 403 extends through the intermediate valve 101 to the outside, providing an area where the operator can apply force. Spring 404 is located inside the slide groove 105 and sleeved on the round rod 403. When the round rod 403 is pulled to move the slider 401, spring 404 is compressed, facilitating subsequent disassembly of the second valve body assembly 200. After engagement, the elasticity of spring 404 ensures the stability of the slider 401 and the locking strip 402, preventing the locking strip 402 from accidentally disengaging from the slider 401, thus improving the reliability and stability of the locking assembly 400.
[0039] It should be further explained that the locking assembly 400 is used to assist the user in installing and disassembling the three-piece valve body. When the first valve body assembly 100 and the second valve body assembly 200 are fully engaged by the locking assembly 400, there is still a certain gap between them so that they can be finally locked and fixed by the locking assembly 300.
[0040] In this embodiment, the slider 401 and the card strip 402 are respectively provided with a first chamfer 4011 and a second chamfer 4021.
[0041] It should be noted that the first chamfer 4011 and the second chamfer 4021 are designed to guide the engagement process. During installation, the chamfers allow the locking strip 402 and the slider 401 to more easily enter the corresponding engagement positions, reducing resistance during installation, making the installation process smoother, and further improving the convenience of single-person installation.
[0042] In this embodiment, the locking assembly 300 adopts a threaded locking structure, and the two flanges 201 are connected and locked together by bolts and nuts.
[0043] It should be noted that using a threaded locking structure is a common and reliable connection method. The combination of bolts and nuts provides a large connection force, ensuring that the two flanges are tightly connected together, thereby guaranteeing the structural stability of the entire ball valve. This connection method has advantages such as convenient installation and disassembly, and adjustable connection strength, which can meet the usage requirements under different working conditions.
[0044] In this embodiment, the hook clamp assembly 500 includes a track base 501 with a sliding groove 502. A sliding member 503 is provided on the sliding groove 502, which slides in a direction perpendicular to the valve body axis. The sliding member 503 is an L-shaped sheet structure.
[0045] It should be noted that the hook assembly 500 assists in securing the pipe flange during installation. The track base 501 provides a sliding track for the sliding element 503, which is designed as an L-shaped plate structure. This shape allows it to better hook onto both sides of the pipe mounting flange. When installing a ball valve, the sliding element 503 is slid along the slide groove 502 to the appropriate position, hooking it onto the pipe mounting flange, thereby reducing the burden on the operator holding the valve body and making the installation process easier.
[0046] It should be further noted that anti-slip rubber is also provided on the mating surface between the sliding component 503 and the pipe flange to ensure the stability of the hook clamp.
[0047] In this embodiment, at least two sliding rods 504 that penetrate the sliding member 503 are also fixed on the track base 501, and springs 505 located on opposite sides of the two sliding members 503 are sleeved on the sliding rods 504.
[0048] It should be noted that the slide rod 504 passes through the sliding member 503, providing guidance for the sliding of the sliding member 503 and ensuring that the sliding member 503 can only slide along the valve body axis and will not deviate. The second spring 505 is sleeved on the slide rod 504 and located on the opposite side of the two sliding members 503. When the sliding member 503 slides, the second spring 505 will be compressed or stretched. Its elastic force can keep the sliding member 503 in a suitable position when no external force is applied. At the same time, during the installation process, the elastic force of the second spring 505 can also provide a certain preload, so that the hook clamp assembly 500 can better fix the valve body, further improving the stability and convenience of installation.
[0049] In summary, this portable three-piece ball valve, through the cooperation of the slider 401 and the locking strip 402 in the locking assembly 400 with the intermediate valve 101, enables the second valve body assembly 200 and the first valve body assembly 100 to be quickly positioned and locked together, allowing for operation by a single person. This solves the problem of the inconvenience of single-person operation when installing three-piece ball valves on vertical walls.
[0050] This portable three-piece ball valve, through the setup of the hook and clamp assembly 500, track base 501, sliding member 503, and spring 505, can hook onto both sides of the installation flange of the pipeline during installation, assisting in fixing the valve body to reduce the burden of operation, lower the installation difficulty, and improve installation efficiency and convenience.
[0051] Working principle: When installing this three-piece ball valve on a vertical wall, the first valve body assembly 100 and the two second valve body assemblies 200 are initially connected as a whole using the locking assembly 400. Pushing the retaining strip 402 on the flange 201 of the second valve body assembly 200 causes the retaining strip 402 to slide within the groove 104 on the side of the intermediate valve 101, driving the slider 401 to move within the groove 105 perpendicular to the water flow direction. The chamfered guide ensures precise engagement between the retaining strip 402 and the slider 401, achieving rapid positioning.
[0052] Next, the assembled valve body is connected to the flanges on both sides of the pipeline using the hook and clamp assembly 500. The sliding member 503 is slid along the slide groove 502 of the track base 501, so that its L-shaped structure hooks onto the pipeline mounting flange. The elastic force of the spring 505 ensures a stable connection and reduces the burden of operation.
[0053] Finally, install the locking structure 300, pass the bolts through the two flanges 201, tighten the nuts, and ensure the stability of the entire ball valve structure. During disassembly, first loosen the bolts and nuts of the locking structure 300 to release the fixation on the two flanges 201. Then, pull the round rod 403 to move the slider 401, causing the retaining strip 402 to separate from the slider 401, thereby separating the first valve body assembly 100 from the two second valve body assemblies 200.
[0054] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A portable three-piece ball valve, characterized in that, It includes a first valve body assembly and two second valve body assemblies, with the second valve body assemblies disposed on both sides of the first valve body assembly; The first valve body assembly includes an intermediate valve, a ball valve core, and an adjusting handle. The ball valve core is fixedly connected to the adjusting handle and rotatably disposed inside the intermediate valve. The two second valve bodies are provided with flange one on opposite sides and flange two on opposite sides; The flange one is provided with a locking assembly that cooperates with the intermediate valve, and the flange two is provided with a hook clamp assembly; The two flanges are connected to each other by a locking assembly; At least two sets of locking and hook assemblies are provided on the same flange.
2. The portable three-piece ball valve according to claim 1, characterized in that: The locking assembly includes a slider and a locking bar. The side of the intermediate valve has a first groove along the water flow direction, and the inner wall of the first groove has a second groove perpendicular to the water flow direction. The slider slides within the second slide groove, and the locking strip slides within the first slide groove; One end of the clip is fixed to one side of the flange, and the other end is engaged with the slider.
3. A portable three-piece ball valve according to claim 2, characterized in that: The slider is also fixed with a round rod that extends through the intermediate valve to the outside, and a spring is sleeved on the round rod inside the slide groove.
4. A portable three-piece ball valve according to claim 2, characterized in that: The slider and the card strip are respectively provided with a first chamfer and a second chamfer.
5. A portable three-piece ball valve according to claim 1, characterized in that: The locking assembly adopts a threaded locking structure, which uses bolts and nuts to connect and lock the two flanges together.
6. A portable three-piece ball valve according to claim 1, characterized in that: The hook and clamp assembly includes a track base with a three-slide groove. A sliding member is provided on the three-slide groove, which slides in a direction perpendicular to the axis of the valve body. The sliding member is an L-shaped sheet structure.
7. A portable three-piece ball valve according to claim 6, characterized in that: At least two sliding rods that pass through the sliding members are also fixed on the track base, and each sliding rod is fitted with a spring located on the opposite side of the two sliding members.