Water flow linkage valve

Abstract

The utility model provides a water flow linkage valve which comprises a valve cover, a valve body and a water plug, and the valve body is connected with the valve cover; the water plug is located in the valve body and can move up and down relative to the valve body. Wherein a first channel and a second channel are arranged in the valve body, the first channel is communicated with the second channel, the water plug is located between the first channel and the second channel, and the base part of the first channel gradually inclines towards the second channel; the surface, making contact with the first channel, of the water plug is an inclined surface. According to the water flow linkage valve, the water plug can be tightly attached to the surface of the first channel, the inclined face can reduce resistance of water flow to the water plug, friction generated when the piston makes contact with the valve body is reduced, the piston can move up and down more easily under the action of the water flow, and the water flow linkage valve can adapt to different water pressure and flow changes; the switching of the water flow direction is smoother and more accurate, so that the accurate adjustment of the water flow is realized.

Description

Technical Field

[0001] This application relates to the field of valve technology, specifically to a water flow linkage valve. Background Technology

[0002] A water flow linkage valve is a type of valve used to control water flow, commonly found in hydraulic engineering, water supply systems, and fire protection systems. Its main function is to automatically adjust the valve's opening and closing state according to changes in water flow, thereby achieving effective water flow control.

[0003] Existing water flow linkage valves exhibit significant resistance when switching the direction of water flow during regulation, leading to water flow fluctuations or pressure instability. This makes it difficult to achieve flexible water flow switching, resulting in unsmooth water flow switching, low efficiency, and high maintenance costs.

[0004] Therefore, the structure of the existing water flow linkage valve has room for further improvement. Utility Model Content

[0005] In view of this, in order to address the technical problem that the existing water flow linkage valves have poor water flow switching and low efficiency when adjusting water flow, this application provides a water flow linkage valve. By changing the structure of the water flow linkage valve, the resistance during water flow switching can be reduced, making the switching of water flow direction smoother and more precise, thereby improving the flexibility and efficiency of the water flow linkage valve.

[0006] To achieve the above objectives, this application provides the following technical solution: a water flow linkage valve, comprising:

[0007] Valve body;

[0008] Valve cover, the valve body is connected to the valve cover;

[0009] A water plug is located within the valve body and is capable of moving up and down relative to the valve body.

[0010] The valve body is provided with a first channel and a second channel, the first channel is connected to the second channel, the water plug is located between the first channel and the second channel, and the base of the first channel is gradually inclined toward the second channel;

[0011] The surface of the water plug that contacts the first channel is an inclined surface.

[0012] Compared with the prior art, the water flow linkage valve has the water plug which can move up and down relative to the valve body, can automatically switch the water flow direction according to the water pressure, and improves the flexibility and use efficiency of the water flow linkage valve; wherein the surface of the water plug in contact with the first channel is a bevel surface, the water plug can tightly fit the surface of the first channel, the design of the bevel surface can reduce the resistance of the water flow to the water plug, reduce the friction generated when the piston contacts the valve body, so that the piston is more easily moved up and down under the action of the water flow, and can adapt to the changes of different water pressures and flow rates, so that the switching of the water flow direction is more smooth and accurate, thereby realizing the accurate adjustment of the water flow.

[0013] Preferably, the water plug comprises a first connecting part and a second connecting part, the first connecting part is connected with the second connecting part, and the surface of the second connecting part in contact with the first channel is a bevel surface.

[0014] Preferably, the first connecting part and the second connecting part are provided with a groove, and a sealing ring is installed in the groove.

[0015] In this embodiment, by providing the groove and the sealing ring, the sealing property between the water plug and the valve body can be ensured, and the design of the bevel surface can reduce the friction between the sealing ring and the valve body during use, reduce wear and tear, avoid damage to the sealing ring, improve the sealing effect, and prolong the service life of the water flow linkage valve.

[0016] Preferably, the size of the first channel is larger than the size of the second channel, the size of the first connecting part is larger than the size of the second connecting part, and the size of the second connecting part is matched with the size of the second channel.

[0017] In this embodiment, by setting the outer diameter size of the first connecting part to be larger than the outer diameter size of the second connecting part, the friction between the water plug and the valve body can be reduced, the wear and tear can be reduced, and the service life can be prolonged.

[0018] Preferably, the side of the valve cover facing the valve body is provided with a mounting groove, the mounting groove is provided with a sealing element, and the mounting groove is located at one end of the valve cover close to the top of the valve body.

[0019] Preferably, the side of the valve body facing the mounting groove is a bevel surface, and the bevel surface is correspondingly arranged with the mounting groove.

[0020] In this embodiment, the bevel surface can help the sealing element better fit the valve body, ensure the sealing effect, make the sealing element more evenly distribute the pressure when under pressure, enhance the sealing performance, and reduce the friction between the sealing element and the valve body, reduce wear and tear, and prolong the service life of the sealing element.

[0021] Preferably, it further comprises a cylinder barrel, the cylinder barrel is connected with the valve body, and the cylinder barrel is located at one end of the valve body away from the valve cover.

[0022] The cylinder barrel is provided with a threaded hole, and the valve body is provided with a threaded hole;

[0023] Or,

[0024] The cylinder barrel is provided with a threaded hole, and the valve body is provided with a threaded hole;

[0025] The cylinder barrel is provided with a threaded hole, and the valve body is provided with a threaded hole;

[0026] In this embodiment, the cylinder barrel and the valve body are connected by threads, which makes the installation and disassembly of the cylinder barrel and the valve body more convenient, facilitates maintenance and replacement, and also enhances the stability of the valve.

[0027] Preferably, the valve body includes at least one water outlet and water inlet, the water outlet is in communication with the water outlet, the water outlet is in communication with the first channel, and the water outlet is arranged on the side of the valve body;

[0028] The valve cover is provided with a through hole for water flow, and the through hole is in communication with the water inlet.

[0029] In this embodiment, the through hole is in communication with the water inlet, forming a fluid inlet and outlet channel, ensuring smooth flow of fluid, and optimizing the space layout, facilitating connection with other equipment or pipelines, and being flexible to adapt to different installation environments.

[0030] Preferably, it further includes a top rod, one end of the top rod is connected with the water plug, and the other end extends towards the cylinder barrel direction;

[0031] The water plug is provided with a mounting hole for the top rod to insert, the water plug is connected with the water plug through the mounting hole, and the size of the mounting hole is matched with the size of the water plug.

[0032] In this embodiment, by setting the top rod and the mounting hole, the top rod can realize accurate control of water flow, and improve the adjustment ability of the water flow linkage valve.

[0033] Preferably, the valve body is provided with a positioning hole for the top rod to pass through, the positioning hole is located between the second channel and the cylinder barrel, the base of the second channel gradually reduces in diameter from the direction of the positioning hole, and the size of the positioning hole is matched with the size of the top rod.

[0034] In this embodiment, by setting the base of the second channel to gradually reduce in diameter from the direction of the positioning hole, the fluid can flow more smoothly, and the fluid flow path is optimized.

[0035] Preferably, the cylinder barrel is provided with a piston, the piston is provided with a protrusion, the protrusion protrudes towards the direction of the ejector rod, and the protrusion is arranged correspondingly to the ejector rod.

[0036] The piston drives the ejector rod, and the ejector rod drives the water plug to move.

[0037] In the embodiment, the piston directly drives the ejector rod through the protrusion, force transmission is realized, the force can be effectively transmitted to the ejector rod, the force transmission efficiency is improved, the protrusion can also reduce the friction between the piston and the ejector rod, wear is reduced, and the service life of the piston is prolonged.

[0038] Preferably, the cylinder barrel is provided with a threaded hole at the end away from the valve body, the threaded hole is provided with a valve core seat, and the valve core seat is threadedly connected to the cylinder barrel through the threaded hole.

[0039] The valve core seat is provided with a valve core, and the valve core seat cooperates with the valve core to adjust the pressure of the fluid.

[0040] In the embodiment, when the fire extinguishing is completed, the valve core will be pushed open to release the gas in the cylinder barrel, so that the water flow linkage valve returns to the water flow sealing state. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 is a schematic view of a three-dimensional structure of a water flow linkage valve provided in an embodiment of the present application;

[0042] Figure 2 is a schematic view of an exploded structure of a water flow linkage valve provided in an embodiment of the present application;

[0043] Figure 3 is a schematic view of a sectional structure of A-A in Figure 1

[0044] Figure 4 is a schematic view of an enlarged view of part B in Figure 3

[0045] Figure 5 is a schematic view of a structure of a water plug provided in an embodiment of the present application;

[0046] Figure 6 is a schematic view of an enlarged view of part C in Figure 3

[0047] Reference signs:

[0048] 1, valve body; 2, valve cover; 3, water plug; 4, cylinder barrel; 5, ejector rod; 6, compression spring;

[0049] 11, first channel; 12, second channel; 13, water outlet; 14, water inlet;​​​

[0050] 21, seal; 22, through hole;

[0051] 31, first connecting part; 32, second connecting part; 33, groove; 34, sealing ring;

[0052] 41, piston; 42, threaded hole; 43, valve seat; 44, valve core; 45, buffer; 51, O-ring; 411, protrusion. DETAILED DESCRIPTION

[0053] In order to make the technical personnel in the art better understand the technical solutions of the present disclosure, the present disclosure is described in detail, clearly and completely in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present disclosure and do not limit the present disclosure.

[0054] In the description of the present application, if the first, second, only for the purpose of distinguishing technical features, and can not be understood as indicating or implying the relative importance or implicit indication of the number of indicated technical features or implicit indication of the order of the indicated technical features.

[0055] Those skilled in the art should understand that in the disclosure of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation of the present application.

[0056] The water flow linkage valve provided by the embodiment is connected with the gas cylinder, is applied in the valve technical field, and specifically, Figures 1 to 6As shown, it comprises a valve body 1, a valve cover 2 and a water plug 3, the valve cover 2 is connected with the valve body 1, the water plug 3 is located in the valve body 1, the water plug 3 can move up and down relative to the valve body 1, and the water plug 3 can automatically switch the water flow direction according to the water pressure, which improves the flexibility and use efficiency of the water flow linkage valve. Among them, the valve body 1 is provided with a first channel 11 and a second channel 12, the first channel 11 is communicated with the second channel 12, the water plug 3 is located between the first channel 11 and the second channel 12, and the base of the first channel 11 is gradually inclined towards the second channel 12, forming a slope structure guiding water flow. Among them, the surface of the water plug 3 in contact with the first channel 11 is a slope, the water plug 3 can tightly fit the surface of the first channel 11, the slope can reduce the resistance of water flow to the water plug 3, reduce the friction generated when the piston 41 contacts the valve body 1, so that the piston 41 is more easily moved up and down under the action of water flow, and can adapt to the change of different water pressure and flow, so that the switching of water flow direction is more smooth and accurate, thereby realizing accurate adjustment of water flow.

[0057] Among them, the valve body 1 comprises at least one water outlet 13 and water inlet 14, the water outlet 13 is communicated with the water outlet 13, the water outlet 13 is communicated with the first channel 11, and the water outlet 13 is arranged on the side of the valve body 1, wherein the valve cover 2 is provided with a through hole 22 for water flow, the through hole 22 is communicated with the water inlet 14, forming a fluid inlet and outlet channel, ensuring the smooth flow of fluid, and optimizing the space layout, facilitating the connection with other equipment or pipeline, and being able to flexibly adapt to different installation environments.

[0058] Specifically, as shown in the figure, Figures 2 to 6 The water plug 3 comprises a first connecting part 31 and a second connecting part 32, the first connecting part 31 is connected with the second connecting part 32, the surface of the second connecting part 32 in contact with the first channel 11 is a slope, which reduces the resistance of water flow to the water plug 3, making the water flow switching more smooth, improving the accuracy and flexibility of water flow adjustment. Among them, the first connecting part 31 and the second connecting part 32 are provided with a groove 33, a sealing ring 34 is installed in the groove 33, the size of the groove 33 is matched with the size of the sealing ring 34, ensuring the sealing between the water plug 3 and the valve body 1, and the design of the slope can reduce the friction between the sealing ring 34 and the valve body 1 during use, reduce wear and tear, avoid damage to the sealing ring 34, improve the sealing effect, prolong the service life of the water flow linkage valve.

[0059] Further, as shown in the figure, Figure 3As shown, the size of the first channel 11 is larger than that of the second channel 12, and the size of the first connecting part 31 is larger than that of the second connecting part 32. The first connecting part 31 can provide better support and enhance the stability of the water plug 3, avoiding the first connecting part 31 from entering the second channel 12 and reducing the friction with the second channel 12. The size of the second connecting part 32 is matched with that of the second channel 12. The good fit can reduce the resistance of water flow during switching and improve the flow efficiency. The outer diameter of the first connecting part 31 is larger than that of the second connecting part 32, which can reduce the friction between the water plug 3 and the valve body 1, reduce wear and tear, and prolong the service life.

[0060] As shown in the drawings, Figure 3 The valve cover 2 is provided with a mounting groove on the side facing the valve body 1. The mounting groove is provided with a sealing element 21, which is a sealing ring. The mounting groove is located at one end of the valve cover 2 close to the top of the valve body 1. The mounting groove can provide a fixed position for the sealing element 21, making the installation of the sealing element 21 more convenient and reducing the complexity of the installation process. The sealing effect between the valve cover 2 and the valve body 1 is enhanced, preventing water leakage. The side of the valve body 1 facing the mounting groove is beveled, which is correspondingly arranged with the mounting groove. It can help the sealing element 21 better fit the valve body 1, ensuring the sealing effect. When the sealing element 21 is under pressure, it can distribute the pressure more evenly, enhancing the sealing performance. The bevel can also reduce the friction between the sealing element 21 and the valve body 1, reduce wear and tear, and prolong the service life of the sealing element 21.

[0061] Further, as shown in the drawings, Figures 2 to 3 It further comprises a cylinder barrel 4 connected with the valve body 1. The cylinder barrel 4 is located at one end of the valve body 1 away from the valve cover 2. The cylinder barrel 4 is provided with a threaded hole 42, and the valve body 1 is provided with a thread. Or the cylinder barrel 4 is provided with a thread, and the valve body 1 is provided with a threaded hole 42. The cylinder barrel 4 and the valve body 1 are threadedly connected. Threaded connection makes the installation and disassembly of the cylinder barrel 4 and the valve body 1 more convenient, facilitating maintenance and replacement, and also enhancing the stability of the valve.

[0062] Further, as shown in the drawings, Figures 2 to 3As shown, it also includes a push rod 5, one end of which is connected to the water plug 3, and the other end of which extends toward the cylinder 4. The end of the push rod 5 away from the water plug 3 has a positioning groove, in which an O-ring 51 is installed. The push rod 5 enables precise control of the water flow, improving the adjustment capability of the linkage valve. The water plug 3 has an installation hole for the push rod 5 to be inserted. The water plug 3 is connected to the push rod 5 through the installation hole. The size of the installation hole matches the size of the water plug 3, ensuring a good fit between the push rod 5 and the water plug 3, reducing gaps, enhancing the stability of the push rod 5, and ensuring smooth operation of the water plug 3. The first connecting part 31 has a threaded hole 42, and the push rod 5 has threads. The second connecting part 32 has an insertion hole, which corresponds to the threaded hole 42. The push rod 5 passes through the insertion hole and the threaded hole 42 in sequence and is threadedly connected to the second connecting part 32.

[0063] Furthermore, such as Figure 3 As shown, the valve body 1 has a positioning hole for the push rod 5 to pass through. The positioning hole is located between the second channel 12 and the cylinder 4. The diameter of the base of the second channel 12 gradually decreases from the direction of the positioning hole, which makes the fluid flow more smoothly and optimizes the fluid flow path. The size of the positioning hole is adapted to the size of the push rod 5. The adapted positioning hole can ensure that the push rod 5 can move up and down, reduce friction and jamming, and improve the smoothness of the system.

[0064] Furthermore, such as Figures 2 to 3 As shown, a piston 41 is installed inside the cylinder 4. The piston 41 has a protrusion 411 that protrudes towards the push rod 5. The protrusion 411 is correspondingly arranged with the push rod 5. A buffer 45 is sleeved on the piston 41. The buffer 45 is a sealing ring. The piston 41 drives the push rod 5, and the push rod 5 pushes the water plug 3 to move. The piston 41 directly drives the push rod 5 through the protrusion 411, realizing the transmission of force. It can effectively transmit the force to the push rod 5, improve the force transmission efficiency, and the protrusion 411 can also reduce the friction between the piston 41 and the push rod 5, reduce wear, and extend the service life of the piston 41.

[0065] Furthermore, such as Figures 2 to 3 As shown, it also includes a compression spring 6, which is at least partially connected to the valve cover 2 and at least partially connected to the water plug 3. The compression spring 6 can provide a restoring force to ensure that the water plug 3 can return to its initial position when no external force is applied, and the buffering effect of the spring can reduce the vibration and noise of the water plug 3 during the movement process, thereby improving the stability of the system.

[0066] Furthermore, such as Figure 3As shown, the cylinder barrel 4 away from the valve body 1 one end is provided with a threaded hole 42, the threaded hole 42 is installed with valve seat 43, the valve seat 43 is connected with the cylinder barrel 4 through the threaded hole 42 by screwing, which ensures the stability and reliability of the valve seat 43, so that the valve seat 43 can withstand the change of fluid pressure, the threaded connection makes the installation and disassembly of the valve seat 43 and the cylinder barrel 4 more convenient, which is convenient for later maintenance and replacement, and reduces the maintenance cost. Among them, the valve seat 43 is installed with valve core 44, the valve seat 43 cooperates with the valve core 44, which is used for adjusting the pressure of fluid, ensuring the stable flow of fluid in the water flow linkage valve, reducing the pressure fluctuation, and improving the overall performance of the system.

[0067] Working principle: after the external device is started, the gas cylinder releases gas, which pushes the piston 41 of the water flow linkage valve open, when the gas in the gas cylinder is released, the external tap water flows into the valve body 1 through the water inlet 14 of the water flow linkage valve, and the tap water is cooled by spraying; when the fire extinguishing is completed, the valve core 44 will be pushed open, releasing the gas in the cylinder barrel 4, and the water flow linkage valve will return to the water flow sealing state.

[0068] The above has carried out the detailed introduction to the present application, the principle and implementation mode of the present application are described in this paper by applying specific examples, the above example is only used to help understanding the present application and the core idea. It should be pointed out that for ordinary skilled person in the art, without departing from the principle of the present application, the present application can be improved and modified, these improvements and modifications also fall within the protection scope of the present application claims.

Claims

1. A water flow linkage valve characterized by, The utility model relates to a valve body (1) is connected with the valve cover (2), and the water plug (3) is located in the valve body (1), and the water plug (3) can move up and down relative to the valve body (1), wherein the first channel (11) and the second channel (12) are equipped in the valve body (1), the first channel (11) is communicated with the second channel (12), the water plug (3) is located between the first channel (11) and the second channel (12), and the base of the first channel (11) gradually inclines towards the top of the second channel (12).

2. The water flow linkage valve according to claim 1, wherein the water plug (3) comprises a first connecting part (31) and a second connecting part (32), the first connecting part (31) is connected with the second connecting part (32), the surface of the second connecting part (32) in contact with the first channel (11) is an inclined surface, and a groove (33) is arranged between the first connecting part (31) and the second connecting part (32), and a sealing ring (34) is arranged in the groove (33).

3. The water flow linkage valve according to claim 2, wherein the diameter of the first channel (11) is greater than the diameter of the second channel (12), the diameter of the first connecting part (31) is greater than the diameter of the second connecting part (32), and the size of the second connecting part (32) is matched with the size of the second channel (12).

4. The water flow linkage valve according to claim 1, wherein a mounting groove is arranged on the side of the valve cover (2) facing the valve body (1), a sealing element (21) is arranged in the mounting groove, and the mounting groove is located at one end of the valve cover (2) facing the top of the valve body (1).

5. The water flow linkage valve according to claim 1, further comprising a cylinder barrel (4), the cylinder barrel (4) is connected with the valve body (1), and the cylinder barrel (4) is located at one end of the valve body (1) away from the valve cover (2).

6. The water flow linkage valve according to claim 1, wherein the valve body (1) comprises at least one water outlet (13) and a water inlet (14), the water outlet (13) is communicated with the water outlet (13), the water outlet (13) is communicated with the first channel (11), and the water outlet (13) is arranged on the side of the valve body (1), and a through hole (22) for water flow is arranged on the valve cover (2), and the through hole (22) is communicated with the water inlet (14). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 7. The water flow linkage valve according to claim 5, characterized in that, Further comprising a top rod (5), one end of which is connected with the water plug (3) and the other end extends towards the cylinder barrel (4); The water plug (3) is provided with a mounting hole for inserting the top rod (5), and the water plug (3) is connected with the water plug (3) through the mounting hole, and the size of the mounting hole is matched with the size of the water plug (3).

8. The water flow linkage valve according to claim 7, characterized in that, The valve body (1) is provided with a positioning hole for the top rod (5) to pass through, and the positioning hole is located between the second channel (12) and the cylinder barrel (4), the base of the second channel (12) gradually reduces in diameter from the positioning hole, and the size of the positioning hole is matched with the size of the top rod (5).

9. The water flow linkage valve according to claim 7, characterized in that, The cylinder barrel (4) is provided with a piston (41), the piston (41) is provided with a protrusion (411), the protrusion (411) protrudes towards the top rod (5), and the protrusion (411) is correspondingly arranged with the top rod (5); Wherein, the piston (41) drives the top rod (5), and the top rod (5) pushes the water plug (3) to move.

10. The water flow linkage valve according to claim 5, characterized in that, The cylinder barrel (4) is provided with a threaded hole (42) away from the valve body (1), the threaded hole (42) is provided with a valve core seat (43), and the valve core seat (43) is threadedly connected with the cylinder barrel (4) through the threaded hole (42); Wherein, the valve core seat (43) is provided with a valve core (44), and the valve core seat (43) cooperates with the valve core (44) to adjust the pressure of the fluid.

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