High-pressure water mixing electromagnetic valve

Abstract

The high-pressure water mixing electromagnetic valve comprises a valve seat, a flow dividing piece, a rotor assembly and a valve cover, the valve seat is provided with a water inlet formed in the upper portion and two water outlets formed in the lower portion, and therefore after water enters the valve seat from the water inlet formed in the upper portion, the rotor assembly is rotated, so that the amount of water entering a first drainage groove and the amount of water entering a second drainage groove are different; the two water outlets are respectively connected with the cold and hot tank, so that the flow of the cold and hot tank is in a certain proportion, and finally, the temperature of discharged water is controlled. Due to the fact that one inlet and two outlets are adopted, water is fed from the upper end, water pressure has a certain downward pressing effect on the rotor assembly and the flow dividing piece, in addition, the guide sleeve of the valve deck exerts pressing force abutting against the flow dividing piece on the rotor assembly, it is guaranteed that the rotor assembly is not prone to inclination, and compared with the prior art, reliability is higher, and the service life is longer.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a high-pressure water mixing solenoid valve. Background Art

[0002] The existing conventional water mixing valve includes a valve body and a valve core. The valve body has a water outlet arranged on the top and two water inlets arranged on the bottom. The two water inlets are connected to the cold water pipeline and the hot water pipeline respectively. The valve core is provided with a plurality of water holes with different apertures. When the valve core rotates, the water holes with different apertures are respectively arranged corresponding to the two water inlets, thereby achieving water mixing. However, the inventor found in actual use that the valve core is often tilted and stuck due to the high pressure of the inlet water and cannot be rotated. Utility Model Content

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defect in the prior art that the valve core of the water mixing valve is easily stuck and cannot rotate due to high pressure tilt, thereby providing a high-reliability high-pressure water mixing solenoid valve.

[0004] To this end, the utility model provides a high-pressure water mixing solenoid valve, including a valve seat, a diverter, a rotor assembly and a valve cover, the valve seat having a water inlet arranged on the top and two water outlets arranged on the bottom; the diverter is arranged in the valve seat, and has a first drainage groove and a second drainage groove in a crescent shape, and the first drainage groove and the second drainage groove are respectively connected with the two water outlets; the rotor assembly is arranged above the diverter, and has a rotor and a ceramic sheet arranged in linkage, the rotor has a rotating shaft driven by a motor, and a rotating frame for driving the ceramic sheet to rotate, the ceramic sheet is provided with a third drainage hole connected with the water inlet, and when the ceramic sheet rotates with the rotor, the third drainage hole can be arranged corresponding to the first drainage groove and the second drainage groove; the valve cover has a cover plate portion fixed to the top of the valve seat, and a guide sleeve extending into the valve seat, the cover plate portion is formed with a through hole for the rotating shaft to pass through, the rotating frame is rotatably installed in the guide sleeve, and the guide sleeve applies a pressing force against the diverter to the rotor assembly.

[0005] The bottom wall of the guide sleeve is provided with an annular convex rib which fits and abuts against the top surface of the rotating frame.

[0006] The guide sleeve is provided with a mounting groove adapted to the outer shape of the rotating frame.

[0007] A sealing ring is arranged between the flow dividing member and the bottom wall of the valve seat.

[0008] The rotating shaft has a plurality of O-rings spaced apart along its axial direction, and the O-rings are in close contact with the inner wall of the through hole.

[0009] There is an insertion structure between the rotor and the ceramic sheet. The insertion structure includes a plurality of slots arranged at intervals along the circumferential direction of the ceramic sheet, and insertion blocks arranged on the rotor and adapted to be inserted into the plurality of slots.

[0010] The first drainage groove and the second drainage groove respectively have a first drainage hole and a second drainage hole. The first drainage hole is arranged adjacent to the tail end of the second drainage groove, and the second drainage hole is arranged adjacent to the tail end of the first drainage groove.

[0011] The technical solution of the present utility model has the following advantages:

[0012] 1. The high-pressure mixing water solenoid valve provided by the present utility model includes a valve seat, a shunt member, a rotor assembly and a valve cover. The valve seat has a water inlet arranged on the upper part and two water outlets arranged on the lower part. After water enters from the upper water inlet, by rotating the rotor assembly, the amount of water entering the first drainage groove and the second drainage groove is different, so as to adjust the amount of water at the two water outlets. The two water outlets are respectively connected to the hot and cold tanks, so that the flow rates of the hot and cold tanks are in a certain proportion, and finally the temperature of the discharged water is controlled. Since it adopts one inlet and two outlets, and the water inlet is at the upper end, the water pressure has a certain downward pressing effect on the rotor assembly and the shunt member. In addition, the guide sleeve of the valve cover applies a pressing force against the shunt member to the rotor assembly, so as to ensure that the rotor assembly is not prone to tilt. Compared with the prior art, the reliability is higher and the service life is longer.

[0013] 2. In the high-pressure mixing water solenoid valve provided by the present utility model, an annular rib that fits and abuts against the top surface of the rotating frame is provided on the bottom wall of the guide sleeve. The annular rib can reduce the friction between the rotor and the guide sleeve during the rotation of the rotor, which is more conducive to the rotation of the rotor.

[0014] 3. In the high-pressure mixing water solenoid valve provided by the present utility model, the rotating shaft has a plurality of O-rings arranged at intervals along its axial direction. The O-rings are in contact with the inner wall of the through hole. On the one hand, the O-rings play a sealing role. On the other hand, the O-rings can ensure that the rotating shaft is kept vertically arranged, so that the rotor is not prone to tilt. Description of the Drawings

[0015] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required to be used in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a perspective view of the high-pressure mixing water solenoid valve of the present utility model;

[0017] Figure 2 It is a sectional view of a high-pressure mixing water solenoid valve;

[0018] Figure 3 It is an exploded structure schematic diagram of a high-pressure mixing water solenoid valve;

[0019] Figure 4 It is an exploded structure schematic diagram of a rotor assembly and a flow dividing part;

[0020] Figure 5 It is a three-dimensional view of the flow dividing part.

[0021] Explanation of reference numerals: 1, valve seat; 2, water inlet; 3, water outlet; 4, flow dividing part; 5, first drainage groove; 6, second drainage groove; 7, rotor assembly; 8, rotor; 9, ceramic sheet; 10, rotating shaft; 11, rotating frame; 12, valve cover; 13, third drainage hole; 14, cover plate part; 15, guide sleeve; 16, through hole; 17, installation groove; 18, sealing ring; 19, O-ring; 20, slot; 21, first drainage hole; 22, second drainage hole; 23, insertion block; 24, annular rib. Detailed implementation manners

[0022] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0023] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0025] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0026] Embodiment

[0027] This embodiment provides a high-pressure mixing water solenoid valve, as Figure 1 and 2 shown, which includes a valve seat 1, a flow dividing member 4, a rotor assembly 7 and a valve cover 12.

[0028] The valve seat 1, as Figure 1 shown, has a water inlet 2 provided thereon and two water outlets 3 provided below.

[0029] The flow dividing member 4 is arranged in the valve seat 1, as Figure 5 shown, which has a crescent-shaped first drainage groove 5 and a second drainage groove 6. The first drainage groove 5 and the second drainage groove 6 are respectively in corresponding communication with the two water outlets 3. The first drainage groove 5 and the second drainage groove 6 respectively have a first drainage hole 21 and a second drainage hole 22. The first drainage hole 21 is arranged adjacent to the tail end of the second drainage groove 6, and the second drainage hole 22 is arranged adjacent to the tail end of the first drainage groove 5. A sealing ring 18 is provided between the flow dividing member 4 and the bottom wall of the valve seat 1.

[0030] The rotor assembly 7 is arranged above the flow dividing member 4, as Figure 3 and Figure 4 shown, which has a rotator 8 and a ceramic sheet 9 that are linked. The rotator 8 has a rotating shaft 10 driven by a motor and a rotating frame 11 for driving the ceramic sheet 9 to rotate. The ceramic sheet 9 is provided with a third drainage hole 13 communicating with the water inlet 2. When the ceramic sheet 9 rotates following the rotator 8, the third drainage hole 13 can be correspondingly arranged with the first drainage groove 5 and the second drainage groove 6. A plug-in structure is provided between the rotator 8 and the ceramic sheet 9. The plug-in structure includes a plurality of slots 20 arranged at intervals along the circumferential direction of the ceramic sheet 9 and plug blocks 23 arranged on the rotator 8 and adapted to be plugged into the plurality of slots 20.

[0031] The valve cover 12, as Figure 2As shown, it has a cover plate portion 14 fixed to the top of the valve seat 1 and a guide sleeve 15 extending into the valve seat 1. The cover plate portion 14 is formed with a through hole 16 for the rotation shaft 10 to pass through. The rotating frame 11 is rotatably installed in the guide sleeve 15. The guide sleeve 15 applies a pressing force against the rotor assembly 7 that abuts against the shunt member 4. An annular rib 24 that fits and abuts against the top surface of the rotating frame 11 is provided on the bottom wall of the guide sleeve 15. The guide sleeve 15 is provided with a mounting groove 17 adapted to the outer shape of the rotating frame 11. The rotation shaft 10 has a plurality of O-rings 19 arranged at intervals along its axial direction, and the O-rings 19 are in contact with the inner wall of the through hole 16 in a fitting manner.

[0032] The high-pressure water mixing solenoid valve provided by the present utility model includes a valve seat 1, a shunt member 4, a rotor assembly 7, and a valve cover 12. The valve seat 1 has a water inlet 2 provided thereon and two water outlets 3 provided below. In this way, after water enters from the upper water inlet 2, by rotating the rotor assembly 7, the amounts of water entering the first drainage groove 5 and the second drainage groove 6 are made different, thereby adjusting the water discharge amounts of the two water outlets 3. The two water outlets 3 are respectively connected to the hot and cold tanks, so that the flow rates of the hot and cold tanks are in a certain ratio, and finally the temperature of the discharged water is controlled. Since it is a one-in-two-out structure with water inlet from the upper end, the water pressure has a certain downward pressing effect on the rotor assembly 7. In addition, the guide sleeve 15 of the valve cover 12 applies a pressing force against the rotor assembly 7 that abuts against the shunt member 4, so as to ensure that the rotor assembly 7 is not prone to tilting. Compared with the prior art, it has higher reliability and longer service life.

[0033] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the creative concept of the present utility model.

Claims

1. A high-pressure water mixing solenoid valve, characterized in that: include: A valve seat (1) having a water inlet (2) arranged on the top and two water outlets (3) arranged on the bottom; A flow divider (4) is arranged in the valve seat (1), and has a first drainage groove (5) and a second drainage groove (6) in a crescent shape, wherein the first drainage groove (5) and the second drainage groove (6) are respectively connected to the two water outlets (3); A rotor assembly (7) is arranged above the diverter (4), and comprises a rotor (8) and a ceramic sheet (9) which are arranged in linkage, wherein the rotor (8) comprises a rotating shaft (10) driven by a motor, and a rotating frame (11) for driving the ceramic sheet (9) to rotate, and the ceramic sheet (9) is provided with a third drainage hole (13) which is connected to the water inlet (2), and when the ceramic sheet (9) rotates with the rotor (8), the third drainage hole (13) can be arranged corresponding to the first drainage groove (5) and the second drainage groove (6); The valve cover (12) comprises a cover plate portion (14) fixed to the top of the valve seat (1), and a guide sleeve (15) extending into the valve seat (1), wherein the cover plate portion (14) is formed with a through hole (16) for the rotating shaft (10) to pass through, and the rotating frame (11) is rotatably installed in the guide sleeve (15), and the guide sleeve (15) applies a pressing force against the diverter (4) toward the rotor assembly (7).

2. The high-pressure water mixing solenoid valve according to claim 1, characterized in that: The bottom wall of the guide sleeve (15) is provided with an annular convex rib (24) which fits against the top surface of the rotating frame (11).

3. The high-pressure water mixing solenoid valve according to claim 1, characterized in that: The guide sleeve (15) is provided with a mounting groove (17) adapted to the outer shape of the rotating frame (11).

4. The high-pressure water mixing solenoid valve according to claim 1, characterized in that: A sealing ring (18) is provided between the flow dividing member (4) and the bottom wall of the valve seat (1).

5. The high-pressure water mixing solenoid valve according to claim 1, characterized in that: The rotating shaft (10) has a plurality of O-rings (19) arranged at intervals along its axial direction, and the O-rings (19) are in close contact with the inner wall of the through hole (16).

6. The high-pressure water mixing solenoid valve according to claim 1, characterized in that: A plug-in structure is provided between the rotor (8) and the ceramic sheet (9), the plug-in structure comprising a plurality of slots (20) arranged at intervals along the circumference of the ceramic sheet (9), and an insert block (23) provided on the rotor (8) and adapted to be plugged into the plurality of slots (20).

7. The high-pressure water mixing solenoid valve according to claim 1, characterized in that: The first drainage groove (5) and the second drainage groove (6) respectively have a first drainage hole (21) and a second drainage hole (22); the first drainage hole (21) is arranged adjacent to the tail end of the second drainage groove (6), and the second drainage hole (22) is arranged adjacent to the tail end of the first drainage groove (5).

Images