Corrugated pipe valve convenient to manufacture
By adopting a bellows valve with a three-way fitting and a herringbone support pipe structure, the problems of high manufacturing cost and difficult processing of bellows valves have been solved, achieving low-cost and high-efficiency fluid control and improving the stability and fluid transmission performance of the valve.
Patent Information
- Application Number
- CN202423321316.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing bellows valves are expensive to manufacture, heavy, and difficult to process. They are also prone to damage when used in high-pressure environments, affecting the stability and safety of the system.
The valve body is made of a three-way fitting, the support pipe is thickened and designed with a herringbone structure. Combined with components such as the bellows body, valve cover, valve stem, and valve seat, it is connected by flanges and bushings, which simplifies the processing and improves sealing and stability.
It reduces manufacturing costs, simplifies processing and installation, improves valve strength and service life, reduces fluid leakage, and enhances fluid transfer efficiency and overall convenience.
Smart Images

Figure CN223594992U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of valve manufacturing, in particular to a corrugated pipe valve convenient to manufacture. BACKGROUND
[0002] Corrugated pipe valves are widely used in pipeline distribution, fluid equipment and other places, especially in the fields of high-purity bulk gas pipeline distribution systems, high-purity fluid equipment and platforms, which are key components in the semiconductor industry. These valves are usually used to control the flow of fluid to ensure the stability and safety of the system. With the development of industrial technology, the demand for corrugated pipe valves is increasing, and the requirements for their performance and cost are also increasing. Existing corrugated pipe valves are mostly made of forgings or castings. These materials not only have high strength and corrosion resistance, but also can work stably in high-pressure environments for a long time. However, the high cost and complex processing technology of these materials have become important factors limiting their application. In actual application, in order to meet the needs of different scenes, the common corrugated pipe valve adopts an angular structure. However, the production cost of such a valve body is high, and the weight is large, especially when used in large pipelines, not only increases the total cost of the system, but also causes difficulties in installation and maintenance. In addition, the internal part of the valve body needs to be precisely processed to ensure smooth flow of fluid, which further increases the processing difficulty and cost. Therefore, how to reduce the manufacturing cost of the corrugated pipe valve while ensuring its performance has become a problem to be solved. CONTENT OF THE UTILITY MODEL
[0003] In order to reduce the internal processing difficulty of different specifications of valve body, the present application provides a corrugated pipe valve convenient to manufacture.
[0004] The corrugated pipe valve convenient to manufacture provided by the present application adopts the following technical scheme:
[0005] A corrugated pipe valve convenient to manufacture, comprising a valve body, the valve body comprising a support pipe and two through pipes, the first opening and the second opening of the support pipe being located at both ends of the support pipe, and the third opening of the support pipe being located on the side wall of the second opening; the support pipe is connected with one through pipe at the second opening and the third opening, respectively, and the support pipe is thickened.
[0006] By adopting the above technical scheme, the three-way pipe fitting is used as the valve body, which is convenient to process and can be directly used after appropriate repair, greatly reducing the manufacturing cost. At the same time, the thickened support pipe ensures the strength of the valve, improves the service life, and reduces the impact of liquid on the inner wall of the support pipe when the two through pipes are connected, thereby reducing the damage of the support pipe.
[0007] Preferably, the valve body composed of the support pipe and the two through pipes is in a herringbone shape.
[0008] By adopting the technical scheme, the valve body composed of the support pipe and the two conducting pipes is in a herringbone shape, so that the valve structure is simplified, the installation space is saved, installation and maintenance are facilitated, the overall weight is reduced, and the convenience and economy of use are improved.
[0009] Preferably, the bellows valve further comprises a bellows body, a valve cover and a valve rod, the support pipe is connected with a first flange at the first opening, the valve cover is connected with the support pipe through the first flange, and one end of the valve rod is inserted into the support pipe through the valve cover; the bellows body comprises a bellows body, a first joint and a second joint, the bellows body is sleeved on the valve rod and located in the support pipe, the first joint is clamped by the first flange and the valve cover, and the second joint is fixedly connected with the end of the valve rod.
[0010] By adopting the technical scheme, the support pipe of the bellows valve is connected with the first flange, the valve cover is connected with the support pipe through the first flange, the valve rod is inserted into the support pipe through the valve cover, the bellows body of the bellows body is sleeved on the valve rod and located in the support pipe, the first joint is clamped by the first flange and the valve cover, and the second joint is fixedly connected with the end of the valve rod. This design significantly improves the sealing and stability of the bellows valve, simplifies the assembly process, and improves the assembly efficiency. The sleeving mode of the bellows body effectively prevents fluid leakage and ensures reliable operation of the valve. In addition, the clamping mode of the first joint and the valve cover further enhances the firmness of the connection, ensuring the stability and safety of the valve during long-term use.
[0011] Preferably, the bellows valve further comprises a valve seat and a mounting circular plate, the mounting circular plate is connected with the second joint, one side of the mounting circular plate abutting the second joint is provided with a gap notch, the inner ring of the valve seat is embedded in the gap notch, and the outer ring of the valve seat has a diameter larger than that of the mounting circular plate; the valve seat and the mounting circular plate can close the second opening.
[0012] By adopting the technical scheme, the mounting circular plate is connected with the second joint, one side of the mounting circular plate abutting the second joint is provided with a gap notch, the inner ring of the valve seat is embedded in the gap notch, the outer ring of the valve seat has a diameter larger than that of the mounting circular plate, and the valve seat and the mounting circular plate can close the second opening. This design improves the sealing and stability of the valve seat, effectively prevents fluid leakage, and simplifies the installation process of the valve seat, improving the assembly efficiency.
[0013] Preferably, the mounting circular plate is provided with a guide slope at one end close to the second opening.
[0014] By adopting the technical scheme, the guide slope can guide the smooth transition of the fluid, reduce the vortex and resistance generated when the fluid passes through the valve body, thereby reducing energy loss and improving fluid transmission efficiency. At the same time, the guide slope can also reduce the impact of the fluid on the internal structure of the valve body, prolonging the service life of the valve body.
[0015] Preferably, the bellows valve further comprises a second flange, the second flange is arranged at the second opening of the support pipe, the support block is connected with the through pipe through the second flange at the second opening, the inner diameter of the second flange is smaller than the inner diameter of the support pipe, and the valve seat can be tightly attached to the end wall of the second flange.
[0016] By adopting the technical scheme, the second flange of the bellows valve is arranged at the second opening of the support pipe, the support block is connected with the through pipe through the second flange at the second opening, the inner diameter of the second flange is smaller than the inner diameter of the support pipe, and the valve seat can be tightly attached to the end wall of the second flange, thereby effectively preventing fluid leakage and enhancing sealing performance. Meanwhile, the design of the second flange simplifies the installation process, improves assembly efficiency, and reduces production cost.
[0017] Preferably, the first flange is provided with a mounting gasket at the first joint, and the first joint is provided with a gasket gap for embedding the mounting gasket on the side wall close to the first flange.
[0018] By adopting the technical scheme, the mounting gasket is arranged between the first flange and the first joint, which can effectively prevent fluid leakage and improve sealing performance. Meanwhile, the gasket gap is arranged on the first joint, so that the mounting gasket can be better embedded, thereby further enhancing the sealing effect and improving the reliability of the product.
[0019] Preferably, the bellows valve further comprises a shaft sleeve, the shaft sleeve is installed in the bellows, the valve rod is inserted into the shaft sleeve and is threadedly connected with the shaft sleeve, the diameter of the end of the valve rod away from the shaft sleeve is larger than the diameter of the end of the valve rod close to the shaft sleeve, so as to form a limiting abutting surface, and the end wall of the end of the shaft sleeve close to the second opening can be attached to the limiting abutting surface.
[0020] By adopting the technical scheme, the installation of the shaft sleeve makes the movement of the valve rod in the bellows more stable, and avoids the problem of poor sealing caused by the shaking of the valve rod. The threaded connection between the valve rod and the shaft sleeve improves the adjustment accuracy, so that the opening and closing control of the valve is more accurate. Meanwhile, the cooperation of the limiting abutting surface formed at the end of the valve rod away from the shaft sleeve and the end wall of the shaft sleeve effectively prevents the valve rod from being excessively extended, thereby ensuring the safety and reliability of the valve.
[0021] In summary, the present application has at least one of the following beneficial technical effects:
[0022] 1. The three-way pipe fitting serves as a valve body, is convenient to process, can be directly used after appropriate repair, and greatly reduces the cost. Meanwhile, the thickened support pipe ensures the strength of the valve, improves the service life, and reduces the impact of liquid on the inner wall of the support pipe when the two through pipes are connected, thereby reducing the damage of the support pipe;
[0023] 2. The valve body composed of the support pipe and the two through pipes is herringbone-shaped, so that the valve structure is simplified, the installation space is saved, the installation and maintenance are facilitated, the overall weight is reduced, and the convenience and economy of use are improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a structural schematic diagram of a corrugated pipe valve convenient to manufacture in the embodiments of the present application.
[0025] Figure 2 is a sectional view for embodying the internal structure of the corrugated pipe valve in the embodiments of the present application.
[0026] Figure 3 is Figure 2 is an enlarged schematic diagram of A in FIG. 1.
[0027] Figure 4 is Figure 2 is an enlarged schematic diagram of B in FIG. 1.
[0028] Explanation of reference signs: 1, valve body; 2, support pipe; 21, first opening; 22, second opening; 23, third opening; 3, through pipe; 4, corrugated pipe body; 41, corrugated pipe body; 42, first joint; 421, gasket notch; 43, second joint; 431, mounting round plate; 4311, guide bevel; 432, give way notch; 5, valve cover; 6, valve stem; 7, first flange; 71, mounting gasket; 8, valve seat; 9, second flange; 10, shaft sleeve; 101, limiting abutting surface. DETAILED DESCRIPTION
[0029] The following will be described in detail in combination with the accompanying Figures 1-4 The present application is further described in detail.
[0030] The embodiments of the present application disclose a corrugated pipe valve convenient to manufacture. Referring to Figure 1 and Figure 2 , the corrugated pipe valve convenient to manufacture comprises a valve body 1, the valve body 1 comprises a support pipe 2 and two through pipes 3, a first opening 21 and a second opening 22 of the support pipe 2 are respectively located at two ends of the support pipe 2, and a third opening 23 of the support pipe 2 is located on a side wall at one end of the second opening 22; the support pipe 2 is connected with one through pipe 3 at the second opening 22 and the third opening 23 respectively, and the support pipe 2 is thickened. By adopting a three-way pipe fitting as the valve body 1, the manufacturing cost is significantly reduced, the processing flow is simplified, the valve body is more lightweight, and the installation and maintenance are facilitated.
[0031] The support pipe 2 adopts a thick-walled pipe material to ensure the strength and durability of the valve. For example, a stainless steel thick-walled pipe or a carbon steel thick-walled pipe can be selected. The thickness of the support pipe 2 can be adjusted according to the working pressure and temperature of the valve to ensure stability under various working conditions.
[0032] The valve body 1 composed of the support pipe 2 and the two conducting pipes 3 is herringbone-shaped. This structure design not only simplifies the overall structure of the valve, but also greatly saves space, facilitating installation and maintenance in a small space. In addition, the herringbone structure can also reduce the resistance of the fluid inside the valve and improve the flow efficiency of the fluid.
[0033] With reference to Figure 2 and Figure 3 , the corrugated pipe valve further comprises a corrugated pipe body 4, a valve cover 5 and a valve rod 6, the support pipe 2 is connected with a first flange 7 at the first opening 21, the valve cover 5 is connected with the support pipe 2 through the first flange 7, and one end of the valve rod 6 penetrates through the valve cover 5 and is inserted into the support pipe 2. The material of the valve cover 5 can be the same as that of the support pipe 2 to ensure the consistency and corrosion resistance of the whole. One end of the valve rod 6 penetrates through the valve cover 5 and is inserted into the support pipe 2, and the other end of the valve rod 6 is connected with a handle, facilitating manual control of the opening and closing of the valve by the operator.
[0034] One end of the valve rod 6 located in the support pipe 2 is provided with a shaft sleeve 10, the valve rod 6 is inserted into the shaft sleeve 10 and is threadedly connected with the shaft sleeve 10; the diameter of the end of the valve rod 6 away from the shaft sleeve 10 is greater than the diameter of the end of the valve rod 6 close to the shaft sleeve 10 to form a limiting abutting surface 101, and the end wall of the shaft sleeve 10 close to the second opening 22 can be attached to the limiting abutting surface 101. By increasing the shaft sleeve 10, the movement accuracy and stability of the valve rod 6 are further improved.
[0035] With reference to Figure 2 and Figure 3 , the corrugated pipe body 4 comprises a corrugated pipe body 41, a first joint 42 and a second joint 43, the corrugated pipe body 41 is sleeved on the valve rod 6 and located in the support pipe 2, and the shaft sleeve 10 is located in the corrugated pipe body 41; the first joint 42 and the second joint 43 are fixedly connected with both ends of the corrugated pipe body 41 respectively to ensure the sealing performance of the corrugated pipe body 4. The first joint 42 is clamped by the first flange 7 and the valve cover 5, the first flange 7 is provided with a mounting gasket 71 at the position where the first flange 7 is located with the first joint 42, and a gasket gap 421 is formed in the side wall of the first joint 42 close to the first flange 7 for embedding the mounting gasket 71, when the first joint 42 is clamped by the first flange 7 and the valve cover 5, the mounting gasket 71 is also clamped by the first joint 42 and the first flange 7.
[0036] With reference to Figure 2 and Figure 4 , the second joint 43 is fixedly connected with the end of the valve rod 6. The corrugated pipe valve further comprises a valve seat 8 and a mounting circular plate 431, the mounting circular plate 431 is connected with the second joint 43, the side of the mounting circular plate 431 attached to the second joint 43 is provided with a clearance gap 432, the inner ring of the valve seat 8 is embedded in the clearance gap 432, and the outer diameter of the valve seat 8 is greater than the diameter of the mounting circular plate 431; the valve seat 8 and the mounting circular plate 431 can close the second opening 22.
[0037] The one end of the mounting disc 431 close to the second opening 22 is provided with a guide slope 4311. The design of the guide slope 4311 helps to guide the fluid to smoothly enter the through pipe 3, reduces the resistance of the fluid in the valve, and improves the flow efficiency of the fluid. The inclination angle of the guide slope 4311 can be adjusted according to actual needs to achieve the best fluid guiding effect.
[0038] With reference to Figure 2 and Figure 4 , the corrugated pipe valve further comprises a second flange 9, the second flange 9 is arranged at the second opening 22 of the support pipe 2, the support block is connected with the through pipe 3 through the second flange 9 at the second opening 22, the inner diameter of the second flange 9 is smaller than the inner diameter of the support pipe 2, and the valve seat 8 can be attached to the end wall of the second flange 9. By increasing the second flange 9, the connection reliability and sealing performance of the valve are further improved.
[0039] The implementation principle of the corrugated pipe valve of the embodiment of the present application is that the processing personnel selects different specifications of tee pipe fittings as the support pipe 2 according to different sizes of pipelines, at the same time, one through pipe 3 is welded at the third opening 23, one through pipe 3 is fixed at the second opening 22 through the second flange 9, and the remaining components are assembled, and finally the processing of the entire corrugated pipe valve is completed, realizing the effect of reducing the internal processing difficulty of different specifications of valve bodies 1.
[0040] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A bellows valve that is easy to manufacture, characterized in that: The valve body (1) includes a support tube (2) and two guide tubes (3). The first opening (21) and the second opening (22) of the support tube (2) are located at both ends of the support tube (2), and the third opening (23) of the support tube (2) is located on the side wall at one end of the second opening (22). The support tube (2) is connected to a guide tube (3) at the second opening (22) and the third opening (23), respectively. The support tube (2) is thickened.
2. The bellows valve that is easy to manufacture according to claim 1, characterized in that: The valve body (1), composed of the support pipe (2) and two guide pipes (3), is shaped like a V.
3. The bellows valve that is easy to manufacture according to claim 1, characterized in that: The bellows valve also includes a bellows body (4), a valve cover (5), and a valve stem (6). The support pipe (2) is connected to a first flange (7) at the first opening (21). The valve cover (5) is connected to the support pipe (2) through the first flange (7). One end of the valve stem (6) passes through the valve cover (5) and is inserted into the support pipe (2). The bellows body (4) includes a bellows body (41), a first connector (42), and a second connector (43). The bellows body (41) is sleeved on the valve stem (6) and located inside the support pipe (2). The first connector (42) is clamped by the first flange (7) and the valve cover (5). The second connector (43) is fixedly connected to the end of the valve stem (6).
4. The bellows valve that is easy to manufacture according to claim 3, characterized in that: The bellows valve also includes a valve seat (8) and a mounting disc (431). The mounting disc (431) is connected to the second connector (43). A clearance notch (432) is provided on the side of the mounting disc (431) that is in contact with the second connector (43). The inner ring of the valve seat (8) is embedded in the clearance notch (432). The diameter of the outer ring of the valve seat (8) is larger than the diameter of the mounting disc (431). The valve seat (8) and the mounting disc (431) can close the second opening (22).
5. A bellows valve that is easy to manufacture according to claim 4, characterized in that: The mounting plate (431) has a guide slope (4311) at one end near the second opening (22).
6. A bellows valve that is easy to manufacture according to claim 4, characterized in that: The bellows valve also includes a second flange (9), which is located at the second opening (22) of the support pipe (2). The support pipe (2) is connected to the guide pipe (3) through the second flange (9) at the second opening (22). The inner diameter of the second flange (9) is smaller than the inner diameter of the support pipe (2). The valve seat (8) can be in contact with the end wall of the second flange (9).
7. A bellows valve that is easy to manufacture according to claim 3, characterized in that: A gasket (71) is provided at the first flange (7) and the first joint (42). A gasket notch (421) for the gasket (71) to be inserted is provided on the side wall of the first joint (42) near the first flange (7).
8. A bellows valve that is easy to manufacture according to claim 3, characterized in that: The bellows valve also includes a bushing (10), which is installed inside the bellows. The valve stem (6) is inserted into the bushing (10) and threadedly connected to the bushing (10). The diameter of the end of the valve stem (6) away from the bushing (10) is larger than the diameter of the end of the valve stem (6) near the bushing (10) to form a limiting contact surface (101). The end wall of the bushing (10) near the second opening (22) can be in contact with the limiting contact surface (101).