diaphragm valve

Abstract

The application discloses a diaphragm valve, and relates to the valve field, wherein a valve seat defines a first flow channel and a second flow channel, the second flow channel has a first inlet, the first inlet is communicated with the first flow channel; a diaphragm is arranged on the valve seat and corresponds to the first inlet; a first magnetic part is arranged on the valve seat, a second magnetic part is arranged on the diaphragm, the first magnetic part and the second magnetic part are correspondingly arranged, and a magnetic force can be generated between the first magnetic part and the second magnetic part to drive the diaphragm to adjust the opening degree of the first inlet. Thus, by corresponding the diaphragm to the first inlet, arranging the first magnetic part on the valve seat and the second magnetic part on the diaphragm, the magnetic force generated between the first magnetic part and the second magnetic part can be used to drive the diaphragm to act, so as to adjust the opening degree of the first inlet, the diaphragm valve can quickly respond and adjust the pressure and flow of the fluid in the diaphragm valve, the use reliability of the diaphragm valve can be improved, the diaphragm valve has a simple structure, and the production cost and maintenance cost of the diaphragm valve can be reduced.

Description

Technical Field

[0001] This invention relates to the field of valves, and more particularly to a diaphragm valve. Background Technology

[0002] In related technologies, unreasonable structural design of diaphragm valves leads to complex structures, making their production and manufacturing difficult, maintenance costs high, and slow response speed. Furthermore, the diaphragm valves have low accuracy in regulating the pressure and flow of fluids in pipelines, which seriously affects the reliability of the valves during use. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. Therefore, one object of the present invention is to provide a diaphragm valve that has a fast response speed and is capable of precisely regulating the pressure and flow rate of fluid in a pipeline.

[0004] The diaphragm valve according to the present invention includes: a valve seat defining a first flow channel and a second flow channel, the second flow channel having a first inlet and the first inlet communicating with the first flow channel; a diaphragm disposed on the valve seat and corresponding to the first inlet; a first magnetic element and a second magnetic element, the first magnetic element being disposed on the valve seat and the second magnetic element being disposed on the diaphragm, the first magnetic element and the second magnetic element being correspondingly disposed along a first direction, and the first magnetic element and the second magnetic element being capable of generating a magnetic force to drive the diaphragm to move, thereby adjusting the opening degree of the first inlet.

[0005] According to the diaphragm valve of the present invention, by aligning the diaphragm with the first inlet and placing the first magnetic element on the valve seat and the second magnetic element on the diaphragm, the magnetic force generated between the first and second magnetic elements can drive the diaphragm to move, thereby adjusting the opening of the first inlet. This enables the diaphragm valve to respond quickly and regulate the pressure and flow rate of the fluid in the diaphragm valve, which is beneficial to improving the reliability of the diaphragm valve. Furthermore, the diaphragm valve has a simple structure, which can reduce the production and maintenance costs of the diaphragm valve.

[0006] In some examples of the present invention, the valve seat includes a valve body and a valve cover, the valve body and the valve cover being detachably connected, the diaphragm having a first portion, a second portion and a third portion, the second portion being connected between the first portion and the third portion, the first portion being sandwiched between the valve body and the valve cover, the thickness of the second portion being less than the thickness of the first portion and the third portion, and the third portion being capable of moving toward or away from the first inlet under the action of magnetic force to adjust the opening degree of the first inlet.

[0007] In some examples of the invention, along the first direction, and from the direction of the third portion toward the first inlet to the direction of the third portion toward the first inlet, the cross-sectional area of ​​the third portion toward the first inlet gradually increases.

[0008] In some examples of the present invention, the valve seat includes a valve body, the valve body including a valve body portion and a partition portion connected to the valve body portion and together with the valve body portion defining the first inlet.

[0009] In some examples of the present invention, the diaphragm valve further includes: a magnetic resistive element disposed on the diaphragm and defining a first mounting groove open toward the first magnetic element, at least a portion of the second magnetic element being disposed in the first mounting groove; the first mounting groove being located inside or outside the diaphragm.

[0010] In some examples of the invention, the diaphragm and the valve seat together define a still water chamber, the diaphragm having a connecting hole that connects the still water chamber and the first flow channel.

[0011] In some examples of the present invention, the diaphragm valve further includes: a guide member, the diaphragm having a first guide through hole, the second magnetic member having a second guide through hole corresponding to the first guide through hole, the guide member being disposed on the valve seat and passing through the first guide through hole and the second guide through hole.

[0012] In some examples of the present invention, the first magnetic component is constructed as a permanent magnet or an electromagnet, and the second magnetic component is constructed as the permanent magnet or the electromagnet.

[0013] In some examples of the present invention, the first magnetic element is constructed as one of the electromagnet or the permanent magnet, and the second magnetic element is constructed as the other of the electromagnet or the permanent magnet. The opening degree of the first inlet is adjusted by changing the direction and / or intensity of the current supplied to the electromagnet to change the direction and / or intensity of the magnetic force between the first magnetic element and the second magnetic element.

[0014] In some examples of the present invention, both the first magnetic element and the second magnetic element are configured as electromagnets. By changing the direction of the current supplied to the first magnetic element or the second magnetic element, the direction of the magnetic force between the first magnetic element and the second magnetic element is changed. By changing the intensity of the current supplied to the first magnetic element and / or the second magnetic element, the intensity of the magnetic force between the first magnetic element and the second magnetic element is changed, thereby adjusting the opening degree of the first inlet.

[0015] In some examples of the present invention, along the first direction, the opposite ends of the first magnetic element are N poles and S poles, respectively, and the opposite ends of the second magnetic element are N poles and S poles, respectively; or along a direction perpendicular to the first direction, the opposite ends of the first magnetic element are N poles and S poles, respectively, and the opposite ends of the second magnetic element are N poles and S poles, respectively.

[0016] In some examples of the present invention, both the first magnetic element and the second magnetic element are constructed as permanent magnets. The first magnetic element and the second magnetic element each have two opposite ends. One end of the first magnetic element is an N pole and the other end is an S pole. One end of the second magnetic element is an N pole and the other end is an S pole. The first magnetic element is rotatable relative to the valve seat to change the direction and / or intensity of the magnetic force between the first magnetic element and the second magnetic element, thereby adjusting the opening degree of the first inlet.

[0017] In some examples of the present invention, the diaphragm valve further includes: a connector connected to the first magnetic element; the first magnetic element can be rotated by rotating the connector, or the diaphragm valve further includes a drive element, the drive element being throttledly connected to the connector and capable of driving the connector to rotate.

[0018] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0020] Figure 1 This is a cross-sectional view of the diaphragm valve according to an embodiment of the present invention (the second mounting groove is located outside the diaphragm);

[0021] Figure 2 This is a cross-sectional view of the diaphragm valve according to an embodiment of the present invention (the second mounting groove is located inside the diaphragm).

[0022] Figure label:

[0023] Diaphragm valve 100;

[0024] Valve seat 10; valve body 11; valve body 111; partition 112; valve cover 12; first flow channel 13; second flow channel 14;

[0025] First inlet 141; Second mounting slot 15;

[0026] Diaphragm 20; First part 21; Second part 22; Third part 23; First guide hole 231;

[0027] First magnetic component 30; Second magnetic component 40; Second guide hole 41;

[0028] Magnetic resistive element 50; first mounting groove 51; static water cavity 60; guide component 70. Detailed Implementation

[0029] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0030] The following is for reference. Figure 1 and Figure 2 A diaphragm valve 100 according to an embodiment of the present invention is described.

[0031] like Figure 1 and Figure 2 As shown, the diaphragm valve 100 according to an embodiment of the present invention includes: valve seat 10, diaphragm 20, first magnetic element 30 and second magnetic element 40.

[0032] Valve seat 10 defines a first flow channel 13 and a second flow channel 14. The second flow channel 14 has a first inlet 141, which communicates with the first flow channel 13. Diaphragm 20 is disposed on valve seat 10 and corresponds to the first inlet 141. A first magnetic element 30 is disposed on valve seat 10, and a second magnetic element 40 is disposed on diaphragm 20, along a first direction (i.e., Figure 1 (As shown in the Z direction), the first magnetic element 30 and the second magnetic element 40 are correspondingly arranged. The first magnetic element 30 and the second magnetic element 40 can generate magnetic force to drive the diaphragm 20 to move, so as to adjust the opening of the first inlet 141.

[0033] The valve seat 10 defines a first flow channel 13 and a second flow channel 14. The second flow channel 14 has a first inlet 141, which communicates with the first flow channel 13. In other words, the first flow channel 13 and the second flow channel 14 are connected. Fluid enters the first flow channel 13, then enters the second flow channel 14 through the first inlet 141, and finally flows out of the second flow channel 14. As some embodiments of this application, the valve seat 10 is constructed by integral molding, which improves the structural strength of the valve seat 10.

[0034] A diaphragm 20 is disposed on the valve seat 10, and the diaphragm 20 is correspondingly disposed with respect to the first inlet 141. As some embodiments of this application, the diaphragm 20 has a communicating hole. The diaphragm 20 and the valve seat 10 together define a static water chamber 60. Fluid in the first flow channel 13 can flow into the static water chamber 60 through the communicating hole, so that the pressure of the fluid in the static water chamber 60 is equal to the pressure of the fluid in the first flow channel 13. As some embodiments of this application, when the pressure of the fluid in the static water chamber 60 is equal to the pressure of the fluid in the first flow channel 13, the diaphragm 20 can be closed (or understood as covered) by the elastic force of the first inlet 141 to disconnect the first flow channel 13 and the second flow channel 14.

[0035] A first magnetic element 30 is disposed on the valve seat 10, and a second magnetic element 40 is disposed on the diaphragm 20. In some embodiments of this application, the second magnetic element 40 is located inside the diaphragm 20; in other embodiments, the second magnetic element 40 is located outside the diaphragm 20. In some embodiments of this application, the diaphragm 20 can be made of, but is not limited to, natural rubber, neoprene rubber, butyl rubber, or other rubber materials. In some embodiments of this application, both the first magnetic element 30 and the second magnetic element 40 are constructed as cylindrical structures. In some embodiments of this application, the first magnetic element 30 and the second magnetic element 40 can also be constructed in other shapes.

[0036] Along the first direction (i.e.) Figure 1 The first magnetic element 30 and the second magnetic element 40 are correspondingly arranged in the Z direction (as shown). Specifically, a plane is defined that corresponds to the first direction (i.e., Figure 1 The Z-direction shown is perpendicular to the plane, and the normal to the plane is perpendicular to the first direction (i.e., Figure 1 Parallel to the Z direction shown, the projection of the first magnetic element 30 on the plane and the projection of the second magnetic element 40 on the plane have overlapping areas. As some embodiments of this application, the projection of the first magnetic element 30 on the plane and the projection of the second magnetic element 40 on the plane completely overlap.

[0037] A magnetic force can be generated between the first magnetic element 30 and the second magnetic element 40. This magnetic force can drive the diaphragm 20 to move, thereby adjusting the opening of the first inlet 141. Specifically, the magnetic force includes attraction and repulsion. The magnetic force generated between the first magnetic element 30 and the second magnetic element 40 can be attraction, or it can be repulsion. When the magnetic force generated between the first magnetic element 30 and the second magnetic element 40 is attraction, the second magnetic element 40 can move along a first direction (i.e., Figure 1 The Z-direction (as shown) moves closer to the first magnetic element 30, thereby causing a portion of the structure of the diaphragm 20 to move along the first direction (i.e., the Z-direction). Figure 1 The Z-direction (as shown) moves closer to the first magnetic element 30, thereby adjusting the opening of the first inlet 141.

[0038] It should be noted that the opening degree of the first inlet 141 includes the states of 0% opening (i.e., not open) and 100% opening (i.e., fully open).

[0039] When the magnetic force generated between the first magnetic element 30 and the second magnetic element 40 is a repulsive force, the second magnetic element 40 can move along the first direction (i.e., Figure 1 The Z-direction shown moves away from the first magnetic element 30, thereby causing a portion of the structure of the diaphragm 20 to move along the first direction (i.e., the Z-direction shown). Figure 1 The Z direction (as shown) moves away from the first magnetic element 30, thereby adjusting the opening of the first inlet 141.

[0040] As some embodiments of this application, the diaphragm 20 closes (or is understood as covering) the first inlet 141 under the action of elasticity to block the first flow channel 13 and the second flow channel 14. That is, the diaphragm valve 100 is closed at this time. By changing the magnetism of the first magnetic element 30 or the second magnetic element 40 (or making the first magnetic element 30 and / or the second magnetic element 40 generate magnetism), the magnetic force between the first magnetic element 30 and the second magnetic element 40 becomes a repulsive force, which can further drive the diaphragm 20 to close (or is understood as covering) the first inlet 141 downward, so that the diaphragm valve 100 remains closed.

[0041] As some embodiments of this application, the diaphragm 20 closes (or is understood as covering) the first inlet 141 under the action of elasticity, thereby blocking the first flow channel 13 and the second flow channel 14. That is, the diaphragm valve 100 is closed at this time. By changing the magnetism of the first magnetic element 30 or the second magnetic element 40 (or making the first magnetic element 30 and / or the second magnetic element 40 magnetic), the magnetic force between the first magnetic element 30 and the second magnetic element 40 becomes an attractive force. When the attractive force is greater than the downward elastic force of the diaphragm 20, the diaphragm 20 can be moved along the first direction (i.e., Figure 1 (As shown in the Z direction) approach the first magnetic element 30, causing the first inlet 141 to open.

[0042] As some embodiments of this application, by adjusting the magnitude and direction of the magnetic force between the first magnetic element 30 and the second magnetic element 40, the diaphragm 20 can be driven to move, thereby adjusting the opening degree of the first inlet 141, and further adjusting the opening degree of the diaphragm valve 100.

[0043] It should be noted that by placing the first magnetic element 30 on the valve seat 10 and the second magnetic element 40 on the diaphragm 20, with the first magnetic element 30 and the second magnetic element 40 correspondingly arranged, the relative positions of the first magnetic element 30 and the second magnetic element 40 can be changed by altering their magnetic properties and strength. This allows the opening degree of the first inlet 141 to be adjusted via the second magnetic element 40 on the diaphragm 20. This arrangement enables rapid response and sensitive, reliable control of the first inlet 141 opening, improving the reliability of the diaphragm valve 100. Furthermore, this type of diaphragm valve 100 has a simple structure and low production and maintenance costs.

[0044] Therefore, by aligning the diaphragm 20 with the first inlet 141, and by placing the first magnetic element 30 on the valve seat 10 and the second magnetic element 40 on the diaphragm 20, the magnetic force generated between the first magnetic element 30 and the second magnetic element 40 can drive the diaphragm 20 to move, thereby adjusting the opening of the first inlet 141. This allows for rapid response and regulation of the pressure and flow rate of the fluid in the diaphragm valve 100, which is beneficial for improving the reliability of the diaphragm valve 100. Furthermore, the diaphragm valve 100 has a simple structure, which can reduce the production and maintenance costs of the diaphragm valve 100.

[0045] In some embodiments of the present invention, such as Figure 1 and Figure 2 As shown, the valve seat 10 includes a valve body 11 and a valve cover 12, which are detachably connected. The diaphragm 20 has a first part 21, a second part 22 and a third part 23. The second part 22 is connected between the first part 21 and the third part 23. The first part 21 is sandwiched between the valve body 11 and the valve cover 12. The thickness of the second part 22 is less than the thickness of the first part 21 and the third part 23. The third part 23 can move toward or away from the first inlet 141 under the action of magnetic force to adjust the opening degree of the first inlet 141.

[0046] The valve seat 10 includes a valve body 11 and a valve cover 12, which are detachably connected. In some embodiments of this application, the valve body 11 and valve cover 12 are connected by bolts. The diaphragm 20 has a first portion 21, a second portion 22, and a third portion 23, along a first direction (i.e.,...). Figure 1 (As shown in the Z direction), the second part 22 has two opposite ends. One end of the second part 22 is connected to the first part 21, and the other end of the second part 22 is connected to the third part 23. That is, the second part 22 is connected between the first part 21 and the third part 23. The first part 21 is sandwiched between the valve body 11 and the valve cover 12. Specifically, the first part 21 has two opposite ends. One end of the first part 21 is sandwiched between the valve body 11 and the valve cover 12, and the other end of the first part 21 is connected to the second part 22.

[0047] The thickness of the second part 22 is less than the thickness of the first part 21 and the third part 23. That is, the thickness of the second part 22 is less than the thickness of the first part 21, and the thickness of the second part 22 is less than the thickness of the third part 23. The third part 23 can move toward or away from the first inlet 141 under the action of magnetic force to adjust the opening of the first inlet 141. That is, the third part 23 can move toward the first inlet 141 under the action of magnetic force to decrease the opening of the first inlet 141, or the third part 23 can move away from the first inlet 141 under the action of magnetic force to increase the opening of the first inlet 141.

[0048] As some embodiments of this application, a sealing groove is provided on the surface of the valve body 11 that mates with the first part 21, and a portion of the structure of the first part 21 is disposed in the sealing groove so that the first part 21 is sandwiched between the valve body 11 and the valve cover 12. This arrangement is beneficial to the sealing performance of the diaphragm valve 100.

[0049] As some embodiments of this application, the end of the third portion 23 facing the first inlet 141 is constructed as an arc surface so that the third portion 23 can reliably close the first inlet 141.

[0050] By making the thickness of the second part 22 less than that of the first part 21 and the third part 23, the flexibility of the diaphragm 20 can be increased, allowing the second part 22 to easily undergo elastic deformation. This facilitates the movement of the third part 23 toward or away from the first inlet 141 under the action of magnetic force, thereby adjusting the opening of the first inlet 141. Furthermore, this arrangement makes the structure of the diaphragm valve 100 more reasonable and helps to improve the reliability of the diaphragm valve 100.

[0051] In some embodiments of the present invention, such as Figure 1 and Figure 2 As shown, along the first direction (i.e. Figure 1 (as shown in the Z direction), and from the direction of the third part 23 near the first inlet 141 to away from the first inlet 141, the cross-sectional area of ​​the end of the third part 23 facing the first inlet 141 gradually increases.

[0052] Among them, along the first direction (i.e. Figure 1 (As shown in the Z direction), the third part 23 has two opposite ends, one end facing the first inlet 141 and the other end away from the first inlet 141. Along the direction from the end of the third part 23 facing the first inlet 141 to the end of the third part 23 away from the first inlet 141, the cross-sectional area of ​​the end of the third part 23 facing the first inlet 141 gradually increases.

[0053] By gradually increasing the cross-sectional area of ​​the end of the third part 23 facing the first inlet 141 from the direction of the third part 23 closer to the first inlet 141 to the direction of the third part 23 farther away from the first inlet 141, it is possible to facilitate a stable fit between the third part 23 and the first inlet 141, reduce the probability of fluid flowing out through the gap between the diaphragm 20 and the valve seat 10 when the third part 23 closes the first inlet 141, and improve the reliability of the diaphragm 20.

[0054] As some embodiments of this application, the outer surface of the third part 23 facing the end of the first inlet 141 can be constructed as a conical surface.

[0055] In some embodiments of the present invention, such as Figure 1 and Figure 2 As shown, the valve seat 10 includes a valve body 11, which includes a valve body 111 and a partition 112. The partition 112 is connected to the valve body 111 and together with the valve body 111 defines a first inlet 141.

[0056] The valve seat 10 includes a valve body 11, which includes a valve body 111 and a partition 112. The valve body 111 and the partition 112 are connected and configured together. The valve body 111 and the partition 112 together define a first inlet 141. As some embodiments of this application, the valve body 111 and the partition 112 are integrally formed. That is, the valve body 111 and the partition 112 are constructed as an integrally formed part. The integrally formed part has good structural strength. By making the valve body 111 and the partition 112 integrally formed, the connection reliability of the valve body 111 and the partition 112 can be improved, and the probability of breakage at the connection between the valve body 111 and the partition 112 can be reduced.

[0057] By connecting the partition 112 to the valve body 111 and defining the first inlet 141 together with the valve body 111, the structure of the diaphragm valve 100 can be made reasonable. The diaphragm 20 can cooperate with the first inlet 141 to adjust the opening of the first inlet 141. Moreover, this arrangement is simple and can reduce the maintenance cost of the diaphragm valve 100. In addition, this arrangement can make the movement direction of the diaphragm 20 different from the direction of water flow through the diaphragm valve 100, so as to reduce the impact of large water flow on the diaphragm 20 and improve the reliability of the diaphragm valve 100.

[0058] In some embodiments of the present invention, such as Figure 1 and Figure 2 As shown, the diaphragm valve 100 further includes: a magnetic resistive element 50, which is disposed on the diaphragm 20 and defines a first mounting groove 51 that opens toward the first magnetic element 30; at least a portion of the second magnetic element 40 is disposed in the first mounting groove 51; the first mounting groove 51 is located inside or outside the diaphragm 20.

[0059] The diaphragm valve 100 further includes a magnetic resistive element 50 disposed on the diaphragm 20. The magnetic resistive element 50 defines a first mounting groove 51 that opens toward the first magnetic element 30. At least a portion of the second magnetic element 40 is disposed in the first mounting groove 51; that is, a portion of the second magnetic element 40 is disposed in the first mounting groove 51, or all of the second magnetic element 40 is disposed in the first mounting groove 51. The first mounting groove 51 is located inside or outside the diaphragm 20. In other words, the magnetic resistive element 50 is located inside the diaphragm 20, or a portion of the magnetic resistive element 50 is located outside the diaphragm 20, such that the first mounting groove 51 is located outside the diaphragm 20.

[0060] By including a magnetic resistive element 50 in the diaphragm valve 100 and defining a first mounting groove 51 that opens toward the first magnetic element 30, at least a portion of the second magnetic element 40 can be disposed in the first mounting groove 51, and the downward magnetic force of the second magnetic element 40 can be reduced or shielded, thereby reducing the influence of the magnetic force of the second magnetic element 40 on the fluid and improving the reliability of the diaphragm valve 100.

[0061] By positioning the first mounting groove 51 within the diaphragm 20, the second magnetic component 40 can be embedded in the diaphragm 20, thereby improving the installation stability of the second magnetic component 40. By positioning the first mounting groove 51 outside the diaphragm 20, the second magnetic component 40 can be exposed outside the diaphragm 20, thus facilitating the replacement of the second magnetic component 40.

[0062] In some embodiments of the present invention, such as Figure 1 and Figure 2 As shown, the valve seat 10 defines a second mounting groove 15, and the first magnetic element 30 is disposed in the second mounting groove 15.

[0063] Wherein, valve seat 10 defines a second mounting groove 15, and first magnetic element 30 is disposed on the second mounting groove 15. As some embodiments of this application, valve seat 10 includes valve body 11 and valve cover 12, valve cover 12 defines a second mounting groove 15, and first magnetic element 30 is disposed on the second mounting groove 15 defined by valve cover 12.

[0064] By defining the second mounting groove 15 by the valve seat 10 and placing the first magnetic element 30 in the second mounting groove 15, the structure of the diaphragm valve 100 can be made reasonable. The first magnetic element 30 and the second magnetic element 40 are correspondingly set, which facilitates the magnetic force generated between the first magnetic element 30 and the second magnetic element 40 to drive the diaphragm 20 to adjust the opening of the first inlet 141. Moreover, the placement of the first magnetic element 30 can be made reasonable, and the valve seat 10 can protect the first magnetic element 30 to reduce the probability of the first magnetic element 30 being damaged by impact.

[0065] In some embodiments of the present invention, such as Figure 1 and Figure 2As shown, the diaphragm 20 has a connecting hole, and the diaphragm 20 and the valve seat 10 together define a static water chamber 60. The fluid in the first flow channel 13 can flow into the static water chamber 60 through the connecting hole so that the pressure of the fluid in the static water chamber 60 is equal to the pressure of the fluid in the first flow channel 13.

[0066] As some embodiments of this application, when the pressure of the fluid in the static water chamber 60 is equal to the pressure of the fluid in the first flow channel 13, the diaphragm 20 can be closed (or understood as covered) by the elastic force of the diaphragm 20. Alternatively, it can be designed such that when the pressure of the fluid in the static water chamber 60 is equal to the pressure of the fluid in the first flow channel 13, the first inlet 141 has a certain opening degree, so that the diaphragm valve 100 can be applied to various scenarios.

[0067] In some embodiments of the present invention, such as Figure 1 and Figure 2 As shown, the diaphragm valve 100 further includes: a guide member 70, the diaphragm 20 having a first guide through hole 231, the second magnetic member 40 having a second guide through hole 41 corresponding to the first guide through hole 231, the guide member 70 being disposed on the valve seat 10 and passing through the first guide through hole 231 and the second guide through hole 41.

[0068] The diaphragm valve 100 further includes a guide member 70. The diaphragm 20 has a first guide through hole 231, and the second magnetic member 40 has a second guide through hole 41. The second guide through hole 41 is correspondingly arranged with the first guide through hole 231. The guide member 70 is disposed on the valve seat 10. As some embodiments of this application, the guide member 70 is connected to the valve cover 12 of the valve seat 10 by welding. The guide member 70 passes through the first guide through hole 231 and the second guide through hole 41 so that when the diaphragm 20 adjusts the opening of the first inlet 141, the diaphragm 20 and the second magnetic member 40 can move along the guiding direction of the guide member 70.

[0069] By including a guide member 70 in the diaphragm valve 100, and having a first guide through hole 231 in the diaphragm 20 and a second guide through hole 41 in the second magnetic member 40, the guide member 70 can pass through the first guide through hole 231 and the second guide through hole 41. When the diaphragm 20 adjusts the opening of the first inlet 141, the diaphragm 20 and the second magnetic member 40 can move along the guiding direction of the guide member 70, reducing the probability of misalignment of the diaphragm 20 and the second magnetic member 40, which is beneficial to improving the reliability of the diaphragm valve 100.

[0070] As some embodiments of this application, the second guide hole 41 and the connecting hole mentioned above can be the same hole to reduce the manufacturing difficulty of the diaphragm valve 100.

[0071] In some embodiments of the present invention, the first magnetic element 30 is configured as a permanent magnet or an electromagnet, and the second magnetic element 40 is configured as a permanent magnet or an electromagnet.

[0072] As some embodiments of this application, the first magnetic element 30 is constructed as a permanent magnet, and the second magnetic element 40 is constructed as a permanent magnet.

[0073] As some embodiments of this application, the first magnetic element 30 is constructed as a permanent magnet, and the second magnetic element 40 is constructed as an electromagnet.

[0074] As some embodiments of this application, the first magnetic element 30 is constructed as an electromagnet, and the second magnetic element 40 is constructed as a permanent magnet.

[0075] As some embodiments of this application, the first magnetic element 30 is constructed as an electromagnet, and the second magnetic element 40 is constructed as an electromagnet.

[0076] By constructing the first magnetic element 30 as a permanent magnet or an electromagnet, and the second magnetic element 40 as a permanent magnet or an electromagnet, the construction of the first magnetic element 30 and the second magnetic element 40 can be selected in multiple ways. Different constructions of the first magnetic element 30 and / or the second magnetic element 40 can be selected according to the required magnetic force and control method, which is beneficial to increasing the selectivity of the diaphragm valve 100.

[0077] In some embodiments of the present invention, the first magnetic element 30 is constructed as one of an electromagnet or a permanent magnet, and the second magnetic element 40 is constructed as the other of an electromagnet or a permanent magnet. By changing the direction and / or intensity of the current supplied to the electromagnet, the direction and / or intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 are changed, thereby adjusting the opening of the first inlet 141.

[0078] In this embodiment, the first magnetic element 30 is constructed as either an electromagnet or a permanent magnet, and the second magnetic element 40 is constructed as either an electromagnet or a permanent magnet. As some embodiments of this application, the first magnetic element 30 is constructed as an electromagnet, and the second magnetic element 40 is constructed as a permanent magnet. By changing the direction of the current flowing into the electromagnet, the direction of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed. By changing the intensity of the current flowing into the electromagnet, the intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed, thereby adjusting the opening degree of the first inlet 141.

[0079] As some embodiments of this application, the first magnetic element 30 is constructed as an electromagnet, and the second magnetic element 40 is constructed as a permanent magnet. By passing a current in the electromagnet in the forward direction, the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be made into a repulsive force. By increasing the current intensity of the electromagnet, the repulsive force between the first magnetic element 30 and the second magnetic element 40 can be increased. By decreasing the current intensity of the electromagnet, the repulsive force between the first magnetic element 30 and the second magnetic element 40 can be decreased, thereby adjusting the opening degree of the first inlet 141.

[0080] As some embodiments of this application, the first magnetic element 30 is constructed as an electromagnet, and the second magnetic element 40 is constructed as a permanent magnet. By reversing the current flow into the electromagnet, the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be made into an attractive force. By reducing the current intensity flowing into the electromagnet, the attractive force between the first magnetic element 30 and the second magnetic element 40 can be reduced. By increasing the current intensity flowing into the electromagnet, the attractive force between the first magnetic element 30 and the second magnetic element 40 can be increased, thereby adjusting the opening degree of the first inlet 141.

[0081] Alternatively, the first magnetic element 30 may be constructed as a permanent magnet and the second magnetic element 40 as an electromagnet. This situation is the same as the control situation where the first magnetic element 30 is constructed as an electromagnet and the second magnetic element 40 is constructed as a permanent magnet, and will not be described in detail here.

[0082] By configuring the first magnetic element 30 as either an electromagnet or a permanent magnet, and the second magnetic element 40 as either an electromagnet or a permanent magnet, the direction and intensity of the magnetic force between the electromagnet and the permanent magnet can be changed by altering the direction and intensity of the current flowing through the electromagnet. This allows for the adjustment of the opening of the first inlet 141. Furthermore, the electromagnet can be regulated by the current, resulting in a rapid response and precise adjustment. This improves the accuracy of adjusting the opening of the diaphragm valve 100, which is beneficial for the diaphragm valve 100 to accurately control the water flow and pressure.

[0083] In some embodiments of the present invention, the first magnetic element 30 and the second magnetic element 40 are both constructed as electromagnets. By changing the direction of the current flowing into the first magnetic element 30 or the second magnetic element 40, the direction of the magnetic force between the first magnetic element 30 and the second magnetic element 40 is changed. By changing the intensity of the current flowing into the first magnetic element 30 and / or the second magnetic element 40, the intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 is changed, thereby adjusting the opening degree of the first inlet 141.

[0084] The first magnetic element 30 and the second magnetic element 40 are both constructed as electromagnets. By changing the direction of the current flowing into the first magnetic element 30, the direction of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed. By changing the intensity of the current flowing into the first magnetic element 30 and / or the second magnetic element 40, the intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed, thereby adjusting the opening degree of the first inlet 141.

[0085] The direction of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed by changing the direction of the current supplied to the second magnetic element 40. The intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed by changing the intensity of the current supplied to the first magnetic element 30 and / or the second magnetic element 40, thereby adjusting the opening degree of the first inlet 141.

[0086] This setup, through the regulation of the electromagnet, provides a rapid response and precise adjustment, thereby improving the accuracy of adjusting the opening of the diaphragm valve 100. This facilitates the precise control of the water flow and pressure by the diaphragm valve 100.

[0087] In some embodiments of the present invention, along the first direction (i.e. Figure 1 (As shown in the Z direction), the two opposite ends of the first magnetic element 30 are N poles and S poles, respectively, and the two opposite ends of the second magnetic element 40 are N poles and S poles, respectively; or along a direction perpendicular to the first direction, the two opposite ends of the first magnetic element 30 are N poles and S poles, respectively, and the two opposite ends of the second magnetic element 40 are N poles and S poles, respectively.

[0088] As some embodiments of this application, along the first direction (i.e. Figure 1 (As shown in the Z direction), the first magnetic element 30 has two opposite ends, one end of the first magnetic element 30 is the N pole and the other end of the first magnetic element 30 is the S pole, and the second magnetic element 40 has two opposite ends, one end of the second magnetic element 40 is the N pole and the other end of the second magnetic element 40 is the S pole.

[0089] As some embodiments of this application, along a direction perpendicular to the first direction (i.e. Figure 1 (shown in the X direction), the first magnetic element 30 has two opposite ends, one end of the first magnetic element 30 is the N pole and the other end of the first magnetic element 30 is the S pole, the second magnetic element 40 has two opposite ends, one end of the second magnetic element 40 is the N pole and the other end of the second magnetic element 40 is the S pole.

[0090] It should be noted that since at least one of the first magnetic element 30 and the second magnetic element 40 can be constructed as an electromagnet, by changing the direction of the current flowing through the electromagnet, the polarity at both ends of the electromagnet can be reversed, thereby changing the direction of the magnetic force between the first magnetic element 30 and the second magnetic element 40. Furthermore, the direction perpendicular to the first direction can be... Figure 1The X direction shown, or the direction perpendicular to the first direction, can also be a direction perpendicular to both the first direction and the X direction. This paper uses the direction perpendicular to the first direction as... Figure 1 The X direction shown is used as an example for description.

[0091] This configuration allows the magnetic poles of the first magnetic element 30 and the second magnetic element 40 of the diaphragm valve 100 to be aligned correctly. By changing the direction of the current flowing into the electromagnet, the polarity at both ends of the electromagnet can be reversed, thereby changing the direction of the magnetic force between the first magnetic element 30 and the second magnetic element 40. This results in a rapid response and precise adjustment, which helps to improve the rationality of the diaphragm valve 100.

[0092] In some embodiments of the present invention, the first magnetic element 30 and the second magnetic element 40 are both constructed as permanent magnets. The first magnetic element 30 and the second magnetic element 40 each have two opposite ends. One end of the first magnetic element 30 is the N pole and the other end is the S pole. One end of the second magnetic element 40 is the N pole and the other end is the S pole. The first magnetic element 30 can rotate relative to the valve seat 10 to change the direction and / or intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40, so as to adjust the opening degree of the first inlet 141.

[0093] In this embodiment, both the first magnetic element 30 and the second magnetic element 40 are constructed as permanent magnets. The first magnetic element 30 is rotatable relative to the valve seat 10. As some embodiments of this application, it rotates along a direction perpendicular to the first direction (i.e., Figure 1 (shown in the X direction), the second magnetic element 40 has two opposing ends, one end of the second magnetic element 40 is the N pole, and the other end of the second magnetic element 40 is the S pole. As some embodiments of this application, along the first direction (i.e. Figure 1 (shown in the Z direction), the second magnetic element 40 has two opposite ends, one end of the second magnetic element 40 is the S pole, and the other end of the second magnetic element 40 is the N pole.

[0094] Furthermore, the first magnetic element 30 has two opposing ends, one end of which is the N pole and the other end is the S pole. By rotating the first magnetic element 30, the direction of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed, thereby adjusting the opening degree of the first inlet 141. By rotating the first magnetic element 30, the intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed, thereby adjusting the opening degree of the first inlet 141.

[0095] As some embodiments of this application, the first magnetic element 30 rotates at an angle between 0 and 180 degrees. It can be understood that after the first magnetic element 30 rotates 180 degrees, the N pole and S pole of the first magnetic element 30 are swapped in space.

[0096] By constructing both the first magnetic element 30 and the second magnetic element 40 as permanent magnets, the direction and / or intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed by rotating the first magnetic element 30, thereby adjusting the opening of the first inlet 141. This allows for precise positioning of the diaphragm 20, improves the accuracy of adjusting the opening of the diaphragm valve 100, and enhances the reliability of the diaphragm valve 100.

[0097] In some embodiments of the present invention, the diaphragm valve 100 further includes: a connector, which is connected to the first magnetic element 30; the first magnetic element 30 can be rotated by rotating the connector, or the diaphragm valve 100 further includes a drive element, which is kinetically connected to the connector and can drive the connector to rotate.

[0098] The diaphragm valve 100 also includes a connector, which is connected to the first magnetic element 30. The connection between the connector and the first magnetic element 30 can be, but is not limited to, welding or bolting. As some embodiments of this application, the connector and the first magnetic element 30 are connected by bolts. By rotating the connector, the first magnetic element 30 can be rotated, thereby changing the direction and / or intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 to adjust the opening degree of the first inlet 141.

[0099] As some embodiments of this application, by manually rotating the connector to rotate the first magnetic element 30, the direction and / or intensity of the magnetic force between the first magnetic element 30 and the second magnetic element 40 can be changed, thereby adjusting the opening degree of the first inlet 141.

[0100] As some embodiments of this application, the diaphragm valve 100 further includes a driving component, which is pulsatorically connected to the connecting component. The driving component can drive the connecting component to rotate, thereby causing the connecting component to drive the first magnetic component 30 to rotate. The driving component can be, but is not limited to, a micro motor, a stepper motor, a servo motor, etc. As some embodiments of this application, by using a micro motor to drive the connecting component to rotate the first magnetic component 30, and by using the diaphragm valve 100 in conjunction with sensors such as pressure sensors, Hall sensors, and limit switches, the water flow rate and pressure of the diaphragm valve 100 can be automatically and accurately controlled. As some embodiments of this application, the micro motor can be pulsatorically connected to the connecting component through a reduction mechanism.

[0101] By including a connector in the diaphragm valve 100, the first magnetic element 30 can be rotated manually or automatically, which facilitates automatic and precise control of the outlet flow rate and pressure of the diaphragm valve 100. Furthermore, this configuration is simple in structure, reduces the maintenance cost of the diaphragm valve 100, and improves the reliability of the diaphragm valve 100.

[0102] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention 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 invention.

[0103] In the description of this invention, "first feature" and "second feature" may include one or more of the features.

[0104] In the description of this invention, "a plurality of" means two or more.

[0105] In the description of this invention, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or it may include the first and second features not being in direct contact but being in contact through another feature between them.

[0106] In the description of this invention, the terms "above," "over," and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicating that the first feature is at a higher horizontal level than the second feature.

[0107] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0108] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A diaphragm valve, characterized in that, include: A valve seat defining a first flow channel and a second flow channel, the second flow channel having a first inlet, the first inlet being selectively connected to the first flow channel; A diaphragm is disposed on the valve seat and corresponds to the first inlet; A first magnetic element and a second magnetic element are provided, the first magnetic element being disposed on the valve seat and the second magnetic element being disposed on the diaphragm. Along a first direction, the first magnetic element and the second magnetic element are correspondingly arranged, and a magnetic force can be generated between the first magnetic element and the second magnetic element to drive the diaphragm to move, thereby adjusting the opening degree of the first inlet; The valve seat includes a valve body and a valve cover, which are detachably connected. The diaphragm has a first portion, a second portion, and a third portion. The second portion is connected between the first portion and the third portion. The first portion is sandwiched between the valve body and the valve cover. The thickness of the second portion is less than the thickness of the first portion and the third portion. The third portion can move towards or away from the first inlet under the action of magnetic force to adjust the opening degree of the first inlet. Along the first direction, and from the direction of the third portion closer to the first inlet to the direction farther away from the first inlet, the cross-sectional area of ​​the third portion toward the end facing the first inlet gradually increases; It also includes: a magnetic resistive element disposed on the diaphragm and defining a first mounting groove that opens toward the first magnetic element, and at least a portion of the second magnetic element being disposed in the first mounting groove; The first mounting groove is located inside or outside the diaphragm; It also includes: a guide member, wherein the diaphragm has a first guide through hole, the second magnetic member has a second guide through hole corresponding to the first guide through hole, and the guide member is disposed on the valve seat and passes through the first guide through hole and the second guide through hole.

2. The diaphragm valve according to claim 1, characterized in that, The valve seat includes a valve body, which includes a valve body and a partition, the partition being connected to the valve body and together with the valve body defining the first inlet.

3. The diaphragm valve according to claim 1, characterized in that, The diaphragm and the valve seat together define a still water chamber. The diaphragm has a connecting hole that connects the still water chamber and the first flow channel.

4. The diaphragm valve according to claim 1, characterized in that, The first magnetic component is constructed as a permanent magnet or an electromagnet, and the second magnetic component is constructed as the permanent magnet or the electromagnet.

5. The diaphragm valve according to claim 4, characterized in that, The first magnetic component is constructed as either an electromagnet or a permanent magnet, and the second magnetic component is constructed as either an electromagnet or a permanent magnet. By changing the direction and / or intensity of the current flowing into the electromagnet, the direction and / or intensity of the magnetic force between the first magnetic component and the second magnetic component are changed, thereby adjusting the opening of the first inlet.

6. The diaphragm valve according to claim 4, characterized in that, Both the first magnetic element and the second magnetic element are constructed as electromagnets. By changing the direction of the current flowing into the first magnetic element or the second magnetic element, the direction of the magnetic force between the first magnetic element and the second magnetic element is changed. By changing the intensity of the current flowing into the first magnetic element and / or the second magnetic element, the intensity of the magnetic force between the first magnetic element and the second magnetic element is changed, thereby adjusting the opening degree of the first inlet.

7. The diaphragm valve according to claim 5 or 6, characterized in that, Along the first direction, the two opposite ends of the first magnetic element are N pole and S pole, respectively, and the two opposite ends of the second magnetic element are N pole and S pole, respectively; Alternatively, along a direction perpendicular to the first direction, the two opposite ends of the first magnetic element are N poles and S poles, respectively, and the two opposite ends of the second magnetic element are N poles and S poles, respectively.

8. The diaphragm valve according to claim 4, characterized in that, Both the first magnetic component and the second magnetic component are constructed as permanent magnets. The first magnetic component and the second magnetic component each have two opposite ends. One end of the first magnetic component is the N pole and the other end is the S pole. One end of the second magnetic component is the N pole and the other end is the S pole. The first magnetic component can rotate relative to the valve seat to change the direction and / or intensity of the magnetic force between the first magnetic component and the second magnetic component, thereby adjusting the opening degree of the first inlet.

9. The diaphragm valve according to claim 8, characterized in that, Also includes: A connector, which is connected to the first magnetic component; The first magnetic component can be rotated by rotating the connector, or the diaphragm valve further includes a driving component, which is pulsatorically connected to the connector and can drive the connector to rotate.

Images