Mixing valve core with built-in magnetic body

Abstract

The present invention discloses a valve core of a mixing valve with an embedded magnetic body, comprising a valve housing, a driving member, a movable valve plate, a fixed valve plate and a valve seat, wherein the driving member, the movable valve plate and the fixed valve plate are arranged inside the valve housing, the movable valve plate and the fixed valve plate are overlapped, the driving member is connected to the movable valve plate, the valve seat is arranged in the valve housing, the fixed valve plate and the valve seat are connected, two water inlets and one water outlet pass through the valve seat and the fixed valve plate, the movable valve plate forms a confluence groove, a magnetic body is arranged between the driving member and the movable valve plate, and the driving member drives the magnetic body to actuate or the magnetic body drives the movable valve plate to actuate. Through the arrangement of the magnetic body, the magnetic body can be used to drive the movable valve plate to actuate, or the driving member can be used to drive the magnetic body and the movable valve plate to actuate.

Description

Technical Field

[0001] The invention relates to a ceramic valve core, in particular to an innovative structure of a valve core of a mixing valve with a magnetic body embedded therein. Background Art

[0002] A known induction faucet has a valve core arranged inside, the valve core includes a valve core outer cover and a valve core body, the valve core body is located inside the valve core outer cover, the valve core body includes an upper ceramic water sealing cover, a lower ceramic water sealing cover and a valve core connecting rod, the lower part of the valve core connecting rod is provided with a protruding column, the protruding column is inserted into the groove of the upper ceramic water sealing cover, the lower end of the valve core connecting rod is provided with a magnet mounting groove near the edge of the valve core outer cover, a magnet is installed in the magnet mounting groove, the valve core has two Hall sensing elements, each Hall sensing element is respectively arranged on the outside of the valve core outer cover and close to the valve core outer cover, when the valve core connecting rod is rotated clockwise, the valve core connecting rod drives the magnet to rotate, the magnet approaches one Hall sensing element, thereby generating a signal to control the on and off of water, when the valve core connecting rod is rotated counterclockwise, the valve core connecting rod drives the magnet to rotate, the magnet approaches another Hall sensing element, thereby generating another signal to control the on and off of water.

[0003] The valve core connecting rod is manually operated to rotate. When the rotation angle of the valve core connecting rod fails to reach the set angle, the valve core connecting rod is used to drive the magnet to rotate, so that the magnet is close to different Hall sensing elements respectively, and a signal is generated to control the water flow, thereby avoiding manual operation errors and the problem of failure to completely close the faucet.

[0004] A mixing valve is a water control valve whose valve core is made of ceramic material, comprising a valve housing, a detent, a movable valve plate, a fixed valve plate and a valve seat, wherein the detent, movable valve plate and fixed valve plate are assembled inside the valve housing, the valve seat is connected to the valve housing, and the fixed valve plate is connected to the valve seat. The mixing valve can be set on a faucet, and the detent is coupled to an operating member, which is provided for user operation. Rotating the detent can drive the movable valve plate to rotate, and the relative rotation of the movable valve plate and the fixed valve plate can change the amount and temperature of water flowing through the mixing valve.

[0005] In actual application experience, it is found that the conventional induction faucet still has the following problems and disadvantages: in order to enable different Hall sensing elements to effectively sense the magnetic field of the magnet, the magnet is arranged at the lower end of the valve core connecting rod close to the edge of the valve core outer cover. When the valve core connecting rod rotates, the magnet is driven by the valve core connecting rod and rotates along a circular path. The magnet is a passive element relative to the valve core connecting rod, and the valve core connecting rod still needs to be manually operated to control the water on and off. Summary of the invention

[0006] The main purpose of the present invention is to provide a valve core of a mixing valve with a built-in magnetic body.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A valve core of a mixing valve with an embedded magnetic body, comprising a valve housing, a driving member, a movable valve disc, a fixed valve disc and a valve seat, wherein a shell-shaped body with a space is formed inside the valve housing, the driving member, the movable valve disc and the fixed valve disc are arranged in the space, the movable valve disc and the fixed valve disc are overlapped and can move relative to each other, the driving member and the movable valve disc are connected and move in a linked manner, the valve seat is arranged at one end of the valve housing, and the fixed valve disc and the valve seat are watertightly connected, two water inlets and one water outlet pass through the valve seat and the fixed valve disc, a confluence groove is formed on the side of the movable valve disc facing the fixed valve disc, and water of different water temperatures is respectively flowed into the confluence groove through each water inlet to be mixed, and then flows out through the water outlet, thereby changing the water temperature and water volume;

[0009] A magnetic body is provided between the driving member and the movable valve plate, and the magnetic body, the driving member and the movable valve plate form a linkage relationship. The magnetic body is an elongated body, one end of the magnetic body along the elongated direction is a first magnetic pole, and the other end of the magnetic body along the elongated direction is a second magnetic pole. The polarities of the first magnetic pole and the second magnetic pole are different, and the first magnetic pole and the second magnetic pole are respectively close to the two sides of the valve housing facing the space;

[0010] A first axis is defined to pass through the center of the driving member and the movable valve plate, and a second axis is defined to pass through the first magnetic pole and the second magnetic pole, and the first axis and the second axis are orthogonal to enable the driving member to drive the magnetic body to actuate or the magnetic body to drive the movable valve plate to actuate.

[0011] The main effect and advantage of the present invention is that it can be realized by setting the magnetic body, and can choose to use the magnetic body to drive the movable valve plate to move, or can choose to use the driving member to drive the magnetic body and the movable valve plate to move, to implement two different control modes: automatic control or manual control. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a stereogram of a preferred embodiment of the present invention.

[0013] Figure 2 It is a three-dimensional exploded view of a preferred embodiment of the present invention.

[0014] Figure 3 It is a partial cross-sectional schematic diagram of a preferred embodiment of the present invention.

[0015] Figure 4 for Figure 3 4-4 is a cross-sectional schematic diagram.

[0016] Figure 5 This is a configuration diagram (I) of the use state (I) of the first embodiment of the present invention, showing the state in which the water inlet and the water outlet are connected through the confluence groove.

[0017] Figure 6FIG. 2 is a schematic diagram of the configuration of the use state (I) of the first embodiment of the present invention, showing the state of the magnetic body rotating to adjust the temperature of the mixed water.

[0018] Figure 7 This is a configuration diagram of the use state (two) of the first embodiment of the present invention.

[0019] Figure 8 It is a partial cross-sectional view of the second embodiment of the present invention. DETAILED DESCRIPTION

[0020] Figures 1 to 8 The present invention is an embodiment of the valve core of the mixing valve with embedded magnetic body, but such embodiments are for illustration only and the patent application is not limited to such structure.

[0021] like Figures 1 to 4 As shown, the embodiment 1 of the valve core of the mixing valve with embedded magnetic body comprises a valve housing 10, a valve stem 20, a driving member 30, a movable valve disc 40, a fixed valve disc 50 and a valve seat 60, wherein the valve housing 10 forms a shell-shaped body with a space 12 inside, the driving member 30, the movable valve disc 40 and the fixed valve disc 50 are arranged in the space 12, the movable valve disc 40 and the fixed valve disc 50 are respectively made of ceramic materials, the movable valve disc 40 and the fixed valve disc 50 are overlapped and can rotate and move relative to each other, the driving member 30 is connected and linked to the movable valve disc 40, the valve seat 60 is arranged at one end of the valve housing 10, and the fixed valve disc 50 and the valve seat A leak-proof element 52 is provided between the fixed valve plate 50 and the valve seat 60, and the fixed valve plate 50 and the valve seat 60 are watertightly connected through the leak-proof element 52. Two water inlets 72 and one water outlet 74 penetrate the valve seat 60 and the fixed valve plate 50. A confluence groove 76 is formed on the side of the movable valve plate 40 facing the fixed valve plate 50, so that water with different water temperatures flows into the confluence groove 76 through each water inlet 72 to mix and flows out through the water outlet 74, thereby changing the water temperature and water volume. One end of the valve stem 20 is connected to the driving member 30, and the other end of the valve stem 20 protrudes from the outside of the valve housing 10, so that the valve stem 20 drives the driving member 30 and the movable valve plate 40 to move.

[0022] The valve stem 20 is selectively constructed, and the valve stem 20 can be set or not as needed; the specific structures of the water inlet 72, the water outlet 74 and the confluence groove 76 can be changed as needed. The figure is only an example and cannot be used as a limitation to explain the present invention. Different designs of the water inlet 72, the water outlet 74 and the confluence groove 76 can achieve different water temperature mixing changes when the movable valve plate 40 is actuated. People skilled in the relevant technical field can change the specific structures of the water inlet 72, the water outlet 74 and the confluence groove 76 as needed.

[0023] A magnetic body 80 is provided between the driving member 30 and the movable valve plate 40. The magnetic body 80 is an elongated rod-shaped body. In this example, the magnetic body 80 is selected to be composed of a permanent magnet. The magnetic body 80, the driving member 30 and the movable valve plate 40 form a linkage relationship. One end of the magnetic body 80 along the elongated direction is a first magnetic pole 81, and the other end of the magnetic body 80 along the elongated direction is a second magnetic pole 82. The polarities of the first magnetic pole 81 and the second magnetic pole 82 are different. The first magnetic pole 81 and the second magnetic pole 82 are respectively close to the two sides of the valve housing 10 facing the space 12.

[0024] A first axis L1 is defined to pass through the center of the driving member 30 and the movable valve plate 40, and a second axis L2 is defined to pass through the first magnetic pole 81 and the second magnetic pole 82, and the first axis L1 and the second axis L2 are orthogonal to each other, so that the driving member 30 drives the magnetic body 80 to move or the magnetic body 80 drives the movable valve plate 40 to move.

[0025] Furthermore, the first axis L1 passes through the centers of the driving member 30 , the movable valve plate 40 and the magnetic body 80 , and the first axis L1 and the first magnetic pole 81 and the second magnetic pole 82 are equidistant, which is a preferred implementation option.

[0026] Please cooperate Figure 5 and Figure 6 As shown, when the first embodiment is applied to the mixing valve, a plurality of first coils 92 and a plurality of second coils 94 can be configured on the outside of the valve housing 10, the first coils 92 are configured on one side of the valve housing 10, and the second coils 94 are configured on the other side of the valve housing 10, each of the first coils 92 and each of the second coils 94 can provide current to pass through to generate a magnetic field, each of the first coils 92 and each of the second coils 94 is respectively located in the space where the second axis L2 is located, so that each of the first coils 92 and each of the second coils 94 is respectively in a relative state with the magnetic body 80 in a direction perpendicular to the first axis L1, and the current passes through each of the first coils 92 and each of the second coils 94. When the mixing valve is opened, the first coil 92 forms a magnetic attraction effect on the magnetic body 80, and the second coil 94 forms a magnetic repulsion effect on the magnetic body 80, so that the magnetic body 80 drives the driving member 30 and the movable valve plate 40 to move toward one side of the valve housing 10 to the position where the magnetic body 80 is attracted and the magnetic body 80 is repelled. Figure 5 As shown, the water inlet 72, the confluence trough 76 and the water outlet 74 are connected; Figure 6As shown, when the water inlet 72, the confluence groove 76 and the water outlet 74 are connected, the direction of the current passing through each first coil 92 and each second coil 94 is changed respectively, so that the magnetic body 80 can rotate around the first axis L1, so that the magnetic body 80 drives the driving member 30 and the movable valve plate 40 to rotate, and adjusts the mixing ratio of water from different water inlets 72 entering the confluence groove 76, thereby adjusting the water temperature; when the mixing valve is closed, the first coil 92 forms a magnetic repulsion effect on the magnetic body 80, and the second coil 94 forms a magnetic attraction effect on the magnetic body 80, and the magnetic body 80 then drives the driving member 30 and the movable valve plate 40 to move toward the other side of the valve housing 10, so that the water inlet 72, the confluence groove 76 and the water outlet 74 are not connected.

[0027] A control unit (not shown) formed in conjunction with an electronic circuit controls the current to select to pass through a specific first coil 92 or second coil 94, the direction of the current passing through the first coil 92 or the second coil 94, and the current intensity, thereby automatically controlling the magnetic body 80 to drive the movable valve plate 40 to move or rotate, or the power of the magnetic body 80 to drive the movable valve plate 40 to move.

[0028] The first axis L1 passes through the center of the driving member 30 and the movable valve plate 40, the second axis L2 passes through the first magnetic pole 81 and the second magnetic pole 82, and the first axis L1 and the second axis L2 form an orthogonal related structure. In combination with the first magnetic pole 81 and the second magnetic pole 82 being respectively close to the two sides of the valve housing 10 facing the space 12, when the magnetic body 80 is displaced or rotated by the magnetic field of each first coil 92 and each second coil 94, the magnetic body 80 can provide power sufficient to drive the driving member 30 and the movable valve plate 40 to move, and can effectively and reliably control the displacement amount or rotation angle of the movable valve plate 40 driven by the magnetic body 80, so as to automatically control the opening and closing of the mixing valve and the water temperature adjustment. The opening and closing of the mixing valve and the water temperature adjustment are rapid and reliable, and the driving member 30 and the movable valve plate 40 are subjected to balanced force, and no biased force phenomenon occurs, thereby reducing the wear between the movable valve plate 40 and the fixed valve plate 50, which is conducive to improving the service life.

[0029] like Figure 7As shown, in the case where the valve stem 20 is provided in the first embodiment, when it is applied to a mixing valve, a plurality of Hall sensing elements 96 can be configured on the outside of the valve housing 10, each Hall sensing element 96 is close to the valve housing 10, and each Hall sensing element 96 is located in the space area where the second axis L2 is located. When the valve stem 20 is manually operated to rotate the driving member 30 and the movable valve plate 40, the magnetic body 80 rotates around the first axis L1, and the first magnetic pole 81 or the second magnetic pole 82 is opposite to a specific Hall sensing element 96. The Hall sensing element 96 generates a signal, which can trigger an electronic component (not shown in the figure) or an electronic device (not shown in the figure) to work. The electronic component can be an LED or a sound generator. By using the flickering change of the LED or the sound generator to send a specific sound message, the first embodiment can be used as a mixing valve that can trigger sound and light effects, and can improve the guidance or fun of the mixing valve in use. It can also be used as a guide for hearing-impaired or visually impaired people, and has extremely high industrial value.

[0030] By setting the magnetic body 80, the movable valve plate 40 can be driven by the magnetic body 80, or the driving member 30 can be driven by the magnetic body 80 and the movable valve plate 40, thereby implementing two different control modes: automatic control or manual control.

[0031] like Figures 2 to 4 As shown, a first embedding groove 32 is formed at one end of the driving member 30 facing the movable valve plate 40, and the magnetic body 80 is embedded in the first embedding groove 32, so that the magnetic body 80, the driving member 30 and the movable valve plate 40 form a linkage relationship. The magnetic body 80 is embedded in the first embedding groove 32, and the first embedding groove 32 is provided with two first limiting portions 34. The magnetic body 80 is arranged between each first limiting portion 34, and the first magnetic pole 81 and the second magnetic pole 82 are respectively adjacent to each first limiting portion 34. Each first limiting portion 34 forms a stop for the magnetic body 80, thereby positioning the magnetic body 80.

[0032] A second embedding groove 42 is formed at one end of the movable valve plate 40 facing the driving member 30, and the magnetic body 80 is embedded in the second embedding groove 42, so that the magnetic body 80, the driving member 30 and the movable valve plate 40 form a linkage relationship. The magnetic body 80 is embedded in the second embedding groove 42, and the second embedding groove 42 is provided with two second limiting portions 44. The magnetic body 80 is arranged between each second limiting portion 44, and the first magnetic pole 81 and the second magnetic pole 82 are respectively adjacent to each second limiting portion 44. Each second limiting portion 44 forms a stop for the magnetic body 80, thereby positioning the magnetic body 80.

[0033] Since the driving member 30 is connected to the movable valve plate 40, it is possible to select only the first embedding groove 32 or the second embedding groove 42 as needed, thereby forming a variation implementation selection not shown in the figure. At this time, the magnetic body 80 is selectively embedded in the first embedding groove 32 or the second embedding groove 42, so that the magnetic body 80, the driving member 30 and the movable valve plate 40 form a linkage relationship.

[0034] Two protrusions 36 are convexly provided on one end of the driving member 30 facing the movable valve plate 40, and the magnetic body 80 is arranged between the protrusions 36, and the protrusions 36 are symmetrical with respect to the second axis L2 as the center. The movable valve plate 40 is recessed into two recesses 46 to cooperate with the protrusions 36, and the protrusions 36 are respectively embedded in the recesses 46, so that the driving member 30 and the movable valve plate 40 are connected and moved in conjunction. Through the relative structure of the protrusions 36, the recesses 46 and the magnetic body 80 in space, when the magnetic body 80 drives the driving member 30 and the movable valve plate 40 to rotate, the driving member 30 and the movable valve plate 40 are subjected to balanced force.

[0035] like Figure 8 As shown, the main difference between the second embodiment and the first embodiment is that the magnetic body 80 is mainly composed of a first magnetic block 83, an intermediate block 84 and a second magnetic block 85. The first magnetic block 83, the intermediate block 84 and the second magnetic block 85 are arranged along the second axis L2, and the intermediate block 84 is arranged between the first magnetic block 83 and the second magnetic block 85. The first magnetic block 83 and the second magnetic block 85 are permanent magnets respectively, and the intermediate block 84 is made of a material with high magnetic permeability. The first magnetic block 83 forms a first magnetic pole 81 at one end facing the valve housing 10, and the second magnetic block 85 forms a second magnetic pole 82 at one end facing the valve housing 10.

[0036] In the second embodiment, the size of the magnetic body 80 can be changed as needed. When the size of the magnetic body 80 is larger, the intermediate block 84 is used so that the magnetic body 80 can still have sufficient magnetic force for operation, thereby reducing the volume and weight ratio of the permanent magnets required to constitute the magnetic body 80 and reducing the cost of the magnetic body 80.

[0037] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A valve core of a mixing valve with an embedded magnetic body, comprising a valve housing, a driving member, a movable valve disc, a fixed valve disc and a valve seat, wherein a shell-shaped body with a space is formed inside the valve housing, the driving member, the movable valve disc and the fixed valve disc are arranged in the space, the movable valve disc and the fixed valve disc are overlapped and can be relatively moved, the driving member and the movable valve disc are connected and moved in a linked manner, the valve seat is arranged at one end of the valve housing, and the fixed valve disc and the valve seat are watertightly connected, two water inlets and one water outlet pass through the valve seat and the fixed valve disc, and a confluence groove is formed on the side of the movable valve disc facing the fixed valve disc, so that water of different water temperatures flows into the confluence groove through each water inlet respectively to mix, and flows out through the water outlet, thereby changing the water temperature and water volume; it is characterized by: A magnetic body is provided between the driving member and the movable valve plate, and the magnetic body, the driving member and the movable valve plate form a linkage relationship. The magnetic body is an elongated body, one end of the magnetic body along the elongated direction is a first magnetic pole, and the other end of the magnetic body along the elongated direction is a second magnetic pole. The polarities of the first magnetic pole and the second magnetic pole are different, and the first magnetic pole and the second magnetic pole are respectively close to the two sides of the valve housing facing the space; A first axis is defined to pass through the center of the driving member and the movable valve plate, and a second axis is defined to pass through the first magnetic pole and the second magnetic pole, and the first axis and the second axis are orthogonal to each other, so that the driving member drives the magnetic body to actuate or the magnetic body drives the movable valve plate to actuate; A first embedding groove is formed at one end of the driving member facing the movable valve plate, and the magnetic body is embedded in the first embedding groove; The first embedding groove is provided with two first stop parts, and the first magnetic pole and the second magnetic pole are respectively adjacent to the first stop parts, thereby positioning the magnetic body; A second embedding groove is formed on one end of the movable valve plate facing the driving member, and the magnetic body is embedded in the second embedding groove; The second embedding groove is provided with two second stop parts, and the first magnetic pole and the second magnetic pole are respectively adjacent to the second stop parts, thereby positioning the magnetic body; Two protrusions are convexly arranged on one end of the driving member facing the movable valve plate, and the magnetic body is arranged between the protrusions, and the protrusions are symmetrical with the second axis as the center. The movable valve plate is matched with two recesses of each protrusion, and each protrusion is respectively embedded in each recess, so that the driving member and the movable valve plate are connected and moved in conjunction.

2. The valve core of the mixing valve with built-in magnetic body according to claim 1, characterized in that The first axis passes through the center of the magnetic body, and the first axis is equidistant from the first magnetic pole and the second magnetic pole.

3. The valve core of the mixing valve with built-in magnetic body according to claim 1 or 2, characterized in that The magnetic body is composed of a first magnetic block, an intermediate block and a second magnetic block. The first magnetic block, the intermediate block and the second magnetic block are arranged along the second axis, and the intermediate block is arranged between the first magnetic block and the second magnetic block. The first magnetic block and the second magnetic block are permanent magnets respectively. The intermediate block is made of a material with high magnetic permeability. The end of the first magnetic block facing the valve housing forms a first magnetic pole, and the end of the second magnetic block facing the valve housing forms a second magnetic pole.

4. The valve core of the mixing valve with built-in magnetic body according to claim 1, characterized in that It further comprises a valve stem, wherein one end of the valve stem is connected to the driving member, and the other end of the valve stem protrudes out of the valve shell, so that the valve stem drives the driving member, the magnetic body and the movable valve plate to operate.

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