A ceramic valve core with switchable temperature

Abstract

The present invention relates to a ceramic valve core with switchable temperature, which comprises a housing, a moving piece dial, a ceramic moving piece, a ceramic static piece and a base. The base is fixedly connected with the ceramic static piece, the ceramic moving piece is attached to the ceramic static piece, the ceramic moving piece is rotatably connected inside the housing, the ceramic moving piece is fixedly connected with the moving piece dial, a rotating rod is connected upward in the middle of the moving piece dial, the rotating rod is rotatably connected with the middle of the upper surface of the housing. The lower surface of the ceramic moving piece is provided with a water outlet hole f, a water passing channel c, a water passing channel d and a water passing channel e. One side of the housing is provided with a water outlet connected to the water outlet hole f. The middle of the ceramic static piece is provided with a water inlet hole b, and the circumferential surface of the ceramic static piece is provided with a water inlet hole a, a water outlet hole g, a water outlet hole h and a water outlet hole i. The structure of the present invention is scientifically and reasonably designed, easy to implement, can realize the switching function of different gears, realize the switching of the water outlet of two temperature water temperatures, can directly obtain pure cold water and pure hot water, will not waste cold water source and hot water source, and is convenient for users to operate.

Description

Technical Field

[0001] The present invention relates to a valve core, and more particularly to a ceramic valve core capable of switching temperatures. Background Art

[0002] A valve core is a control component in a fluid delivery system, and its movement is used to achieve basic functions such as direction control, pressure control, or flow control. Existing ceramic switching valve cores have water inlet in the middle of the bottom, rotate to switch, and water outlet around the bottom. They are used in sanitary products and are often used in combination with thermostatic valve cores. The cold water source and the hot water source directly lead to the thermostatic valve core, and can only switch water at the same water temperature. Sanitary products using traditional ceramic switching valve cores cannot obtain pure cold water or pure hot water, and can only adjust the thermostatic valve core to obtain cold or hot water after mixing cold and hot water, resulting in waste of water sources and corresponding limitations in their use, and there is still room for further improvement. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a ceramic valve core capable of switching temperatures.

[0004] The present invention is realized by the following technical solutions:

[0005] A ceramic valve core capable of switching temperatures, characterized in that it includes a housing, a moving piece dial arranged in the housing, a ceramic moving piece, a ceramic static piece, and a base. The base is fixedly connected to the bottom of the housing. The upper surface of the base is fixedly connected to the ceramic static piece. The lower surface of the ceramic moving piece is attached to the upper surface of the ceramic static piece. The ceramic moving piece is rotatably connected in the housing. The upper part of the ceramic moving piece is fixedly connected to the moving piece dial. A rotating rod is connected upward in the middle of the moving piece dial. The rotating rod penetrates the upper surface of the housing and is rotatably connected to the middle of the upper surface of the housing. The lower surface of the ceramic moving piece is provided with a water outlet hole f, a water passing channel c, a water passing channel d, and a water passing channel e. One side of the housing is provided with a water outlet connected to the water outlet hole f. One end of the water passing channel e is located in the middle of the surface of the ceramic moving piece. The water passing channels c and d are arranged close to the edge of the ceramic moving piece. The middle of the ceramic static piece is provided with a water inlet hole b. The circumferential surface of the ceramic static piece is provided with a water inlet hole a, a water outlet hole g, a water outlet hole h, and a water outlet hole i.

[0006] According to the above technical solution, preferably, a bead installation groove is opened at an eccentric position on the upper surface of the moving piece dial. A bead is installed in the bead installation groove through a spring. A limit disk is arranged in the upper part of the housing. Four bead grooves are opened on the surface of the limit disk. The bead is abutted against the bead groove under the action of the spring.

[0007] According to the above technical solution, preferably, a rotation limit convex platform is arranged on the side of the limit disk away from the bead groove. A limit groove is opened along the edge position on the surface of the moving piece dial. The rotation limit convex platform is slidably connected in the limit groove.

[0008] According to the above technical solution, preferably, a plurality of static plate positioning bosses are circumferentially arranged at the edge position of the upper surface of the base, and a plurality of static plate positioning grooves adapted to the static plate positioning bosses are circumferentially arranged on the ceramic static plate.

[0009] According to the above technical solution, preferably, a plurality of moving plate positioning bosses are circumferentially arranged at the edge position of the lower surface of the moving plate dial, and a plurality of moving plate positioning grooves adapted to the moving plate positioning bosses are circumferentially arranged on the ceramic moving plate.

[0010] According to the above technical solution, preferably, a pin hole is horizontally opened at the lower part of the rotating rod, a pin is penetrated in the pin hole, a through hole is opened in the middle of the moving plate dial, and pin grooves are arranged on both sides of the through hole, and both ends of the pin are located in the pin grooves.

[0011] The beneficial effects of the present invention are as follows:

[0012] The structure of the present invention is scientifically and reasonably designed and is easy to implement. It can realize the switching function of different gears, realize the switching of the water outlet of two temperatures of water, directly obtain pure cold water and pure hot water, will not waste cold water sources and hot water sources, is convenient for users to operate, and has good application and popularization value. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an exploded perspective view of the three-dimensional structure of the present invention.

[0014] Figure 2 is a perspective view of the three-dimensional structure of the housing part of the present invention.

[0015] Figure 3 is a bottom view of the housing part of the present invention.

[0016] Figure 4 is a perspective view of the three-dimensional structure of the front part of the base of the present invention.

[0017] Figure 5 is a perspective view of the three-dimensional structure of the back part of the base of the present invention.

[0018] Figure 6 is a perspective view of the three-dimensional structure of the front part of the moving plate dial of the present invention.

[0019] Figure 7 is a perspective view of the three-dimensional structure of the back part of the moving plate dial of the present invention.

[0020] Figure 8 is a perspective view of the three-dimensional structure of the front part of the ceramic moving plate of the present invention.

[0021] Figure 9 is a perspective view of the three-dimensional structure of the back part of the ceramic moving plate of the present invention.

[0022] Figure 10 It is a schematic three-dimensional structure diagram of the front part of the ceramic stationary piece of the present invention.

[0023] Figure 11 It is a schematic three-dimensional structure diagram of the back part of the ceramic stationary piece of the present invention.

[0024] Figure 12 It is a schematic diagram of the positional relationship between the moving piece mating surface and the stationary piece mating surface in State 1.

[0025] Figure 13 It is a front view structural sectional view of the present invention in State 1.

[0026] Figure 14 It is a schematic diagram of the positional relationship between the moving piece mating surface and the stationary piece mating surface in State 2.

[0027] Figure 15 It is a front view structural sectional view of the present invention in State 2.

[0028] Figure 16 It is a schematic diagram of the positional relationship between the moving piece mating surface and the stationary piece mating surface in State 3.

[0029] Figure 17 It is a front view structural sectional view of the present invention in State 3.

[0030] Figure 18 It is a schematic diagram of the positional relationship between the moving piece mating surface and the stationary piece mating surface in State 4.

[0031] Figure 19 It is a front view structural sectional view of the present invention in State 4.

[0032] Figure 20 It is a schematic diagram of the water flow direction of Application Example 1 of the present invention.

[0033] Figure 21 It is a schematic diagram of the water flow direction of Application Example 2 of the present invention.

[0034] Figure 22 It is a schematic overall assembly diagram of the present invention.

[0035] In the figure: 1. O-ring seal; 2. Outer shell; 3. Rotary rod; 4. Friction ring; 5. Detent ball; 6. Spring; 7. Moving piece dial; 8. Pin; 9. Ceramic moving piece; 10. Ceramic stationary piece; 11. Seal ring; 12. Base; 13. Water outlet; 14. Rotation limit boss; 15. Detent ball groove; 16. Stationary piece positioning boss; 17. Spool positioning boss; 18. Detent ball installation groove; 19. Limit groove; 20. Pin groove; 21. Moving piece positioning boss; 22. Moving piece positioning slot; 23. Moving piece mating surface; 24. Stationary piece mating surface; 25. Stationary piece positioning slot. Detailed implementation manners

[0036] To enable those skilled in the art of the present technology to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and the best embodiments.

[0037] As shown in the figure, the present invention includes a housing 2, a moving piece dial 7 disposed inside the housing 2, a ceramic moving piece 9, a ceramic static piece 10, and a base 12. The base 12 is fixedly connected to the bottom of the housing 2. The upper surface of the base 12 is fixedly connected to the ceramic static piece 10. In this example, a valve core positioning boss 17 is provided on the bottom surface of the base 12. The setting of the valve core positioning boss 17 is used to determine the position where the valve core is installed in the product. Sealing rings 11 for sealing and separating each water passage are provided on both the upper and lower surfaces of the base 12. The lower surface of the ceramic moving piece 9 is in contact with the upper surface of the ceramic static piece 10. The ceramic moving piece 9 is rotatably connected inside the housing 2. The upper part of the ceramic moving piece 9 is fixedly connected to the moving piece dial 7. A rotating rod 3 is connected upward in the middle of the moving piece dial 7. The rotating rod 3 passes through the upper surface of the housing 2 and is rotatably connected to the middle of the upper surface of the housing 2. O-ring seals 1 are provided on the outer side wall of the housing 2 and at the connection position between the rotating rod 3 and the housing 2. A friction ring 4 is provided between the rotating rod 3 and the housing 2. The lower surface of the ceramic moving piece 9 is provided with a water outlet hole f, a water passage c, a water passage d, and a water passage e. An outlet 13 communicating with the water outlet hole f is provided on one side of the housing 2. One end of the water passage e is located in the middle of the surface of the ceramic moving piece 9. The water passage c and the water passage d are arranged close to the edge of the ceramic moving piece 9. Among them, the water passage c, the water passage d, and the water passage e are all grooves provided on the lower surface of the ceramic moving piece 9. An inlet hole b is provided in the middle of the ceramic static piece 10. Inlet holes a, water outlet holes g, water outlet holes h, and water outlet holes i are provided around the circumference of the surface of the ceramic static piece 10. Among them, one side surface of the ceramic moving piece 9 in contact with the ceramic static piece 10 is a moving piece mating surface 23, and one side surface of the ceramic static piece 10 in contact with the ceramic moving piece 9 is a static piece mating surface 24. By rotating the ceramic moving piece 9, the water passages are connected to different inlet / outlet holes, so as to achieve the purpose of switching the water outlet at different positions, and further realize the switching of the water outlet at two temperatures, and pure cold water and pure hot water can be directly obtained, without wasting cold water sources and hot water sources, which is convenient for users to operate.

[0038] According to the above embodiment, preferably, a ball installation groove 18 is provided at an eccentric position on the upper surface of the moving piece dial 7. A ball 5 is installed in the ball installation groove 18 through a spring 6. A limit disk is provided in the upper part of the housing 2. Four ball grooves 15 are provided on the surface of the limit disk. The ball 5 is abutted against the ball groove 15 under the action of the spring 6. When the ball hits the ball groove 15, a gear position feeling is created. The positions of the four ball grooves 15 are determined according to the corresponding position relationship between the inlet holes, outlet holes, and water passages on the ceramic moving piece 9 and the ceramic static piece 10. The four ball grooves 15 respectively position the ceramic moving piece 9 in four different states:

[0039] The ceramic moving piece 9 rotates to state 1. At this time, the water outlet hole f is above the water inlet hole a, and the water flow in the water inlet hole a directly discharges from the water outlet hole f. At this time, the water passage e is blocked by the ceramic static piece 10, the water inlet hole b is closed, the water passage c is blocked by the ceramic static piece 10, and the water passage d is blocked by the ceramic static piece 10. The water flow A flows out of the valve core from the water outlet hole f.

[0040] Rotate clockwise to state 2. At this time, the water passage c is between the water inlet hole a and the water outlet hole g, and the water flow in the water inlet hole a passes through the water passage c and then flows out from the water outlet hole g. At this time, the water passage e is between the water inlet hole b and the water outlet hole h, and the water flow in the water inlet hole b passes through the water passage e and then flows out from the water outlet hole h. The water passage d is blocked by the ceramic static piece 10, and at this time the water outlet hole f is blocked by the ceramic static piece 10. The water flow A flows out of the valve core from the water outlet hole g, and at the same time the water flow B flows out of the valve core from the water outlet hole h.

[0041] Rotate clockwise to state 3. At this time, the water passage c is blocked by the ceramic static piece 10, and the water inlet hole b is closed. At this time, the water passage e is blocked by the ceramic static piece 10, and the water inlet hole b is closed. The water outlet hole f is on the water outlet hole h, and no water flow passes through. At this time, the water passage d is blocked by the ceramic static piece 10. The water flow A is closed; the water flow B is closed.

[0042] Rotate clockwise to state 4. At this time, the water passage d is between the water inlet hole a and the water outlet hole g, and the water flow in the water inlet hole a passes through the water passage d and then flows out from the water outlet hole g. At this time, the water passage e is between the water inlet hole b and the water outlet hole i, and the water flow in the water inlet hole b passes through the water passage e and then flows out from the water outlet hole i. At this time, the water passage c is blocked by the ceramic static piece 10, and at this time the water outlet hole f is blocked by the ceramic static piece 10. The water flow A flows out of the valve core from the water outlet hole g, and at the same time the water flow B flows out of the valve core from the water outlet hole i.

[0043] In the actual application process, there are the following two application examples:

[0044] Application example 1: The product is normally connected to the household cold water source (water flow A) and the hot water source (water flow C). In state 1, the water flow A (cold water) flows out from the water outlet hole f of the valve core and flows out of the product. Rotate the valve core clockwise to state 2, and the water flow B (warm water) flows out from the water outlet hole h of the valve core and flows out of the product. Then rotate the valve core clockwise to state 3, the valve core is closed, and the product does not discharge water. Then rotate the valve core clockwise to state 4, and the water flow B (warm water) flows out from the water outlet hole i of the valve core and flows out of the product. The product can perform four-function water distribution gear shifting to discharge water, and cold water and warm water can be switched among them.

[0045] Application Example 2: The product is normally connected to the household hot water source (water flow A) and cold water source (water flow C). In state 1, the water outlet hole f of the valve core discharges water flow A (hot water) and flows out of the product; rotate the valve core clockwise to state 2, the water outlet hole h of the valve core discharges water flow B (warm water) and flows out of the product; then rotate the valve core clockwise to state 3, the valve core closes and the product does not discharge water; then rotate the valve core clockwise to state 4, the water outlet hole i of the valve core discharges water flow B (warm water) and flows out of the product. The product can switch the water outlet in four functional water distribution gears, and hot water and warm water can be switched among them.

[0046] According to the above embodiment, preferably, a rotation limiting boss 14 is provided on the side of the limit disk away from the catch groove 15, a limit groove 19 is formed along the edge position on the surface of the moving piece dial 7, and the rotation limiting boss 14 is slidably connected in the limit groove 19. In this example, the cooperation between the rotation limiting boss 14 and the limit groove 19 can limit the rotation angle of the moving piece dial 7.

[0047] According to the above embodiment, preferably, a plurality of static piece positioning bosses 16 are provided circumferentially on the edge position of the upper surface of the base 12, a plurality of static piece positioning grooves 25 adapted to the static piece positioning bosses 16 are provided circumferentially on the ceramic static piece 10, and the cooperation between the static piece positioning bosses 16 on the base 12 and the static piece positioning grooves 25 is used to fix the ceramic static piece 10.

[0048] According to the above embodiment, preferably, a plurality of moving piece positioning bosses 21 are provided circumferentially on the edge position of the lower surface of the moving piece dial 7, a plurality of moving piece positioning grooves 22 adapted to the moving piece positioning bosses 21 are provided circumferentially on the ceramic moving piece 9, and the cooperation between the moving piece positioning bosses 21 and the moving piece positioning grooves 22 is used to fix the ceramic moving piece 9 and control the rotation of the ceramic moving piece 9.

[0049] According to the above embodiment, preferably, a pin hole is horizontally opened in the lower part of the rotating rod 3, a pin 8 is penetrated in the pin hole, a through hole is opened in the middle of the moving piece dial 7, and pin slots 20 are provided on both sides of the through hole. Both ends of the pin are located in the pin slots 20. The pin slots 20 on the moving piece dial 7 are used to limit the pin, so that the torque of the rotating rod 3 is transmitted to the moving piece dial 7 for synchronous rotation.

[0050] The structure design of the present invention is scientific and reasonable, easy to implement, can realize the switching function of different gears, realize the switching of the water outlet of two temperature water temperatures, can directly obtain pure cold water and pure hot water, will not waste the cold water source and hot water source, is convenient for users to operate, and has good application and promotion value.

[0051] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and retouches can still be made, and these improvements and retouches should also be regarded as the protection scope of the present invention.

Claims

1. A ceramic valve core with switchable temperature, characterized in that, It includes a housing, a moving piece dial arranged inside the housing, a ceramic moving piece, a ceramic static piece, and a base. The base is fixedly connected to the bottom of the housing. The upper surface of the base is fixedly connected to the ceramic static piece. The lower surface of the ceramic moving piece is attached to the upper surface of the ceramic static piece. The ceramic moving piece is rotatably connected inside the housing. The upper part of the ceramic moving piece is fixedly connected to the moving piece dial. A rotating rod is connected upward in the middle of the moving piece dial. The rotating rod penetrates through the upper surface of the housing and is rotatably connected to the middle of the upper surface of the housing. The lower surface of the ceramic moving piece is provided with a water outlet hole f, a water passing channel c, a water passing channel d, and a water passing channel e. One side of the housing is provided with a water outlet connected to the water outlet hole f. One end of the water passing channel e is located in the middle of the surface of the ceramic moving piece. The water passing channel c and the water passing channel d are arranged close to the edge of the ceramic moving piece. The middle of the ceramic static piece is provided with a water inlet hole b. The circumferential surface of the ceramic static piece is provided with a water inlet hole a, a water outlet hole g, a water outlet hole h, and a water outlet hole i. An eccentric position on the upper surface of the moving piece dial is provided with a detent installation groove. A detent is installed in the detent installation groove through a spring. An upper limit disk is arranged in the upper part of the housing. Four detent grooves are provided on the surface of the limit disk. The detent abuts against the detent groove under the action of the spring.

2. The ceramic valve core with switchable temperature according to claim 1, characterized in that, A rotation limit boss is arranged on one side of the limit disk away from the detent groove. A limit groove is arranged along the edge position on the surface of the moving piece dial. The rotation limit boss is slidably connected in the limit groove.

3. The ceramic valve core with switchable temperature according to claim 1 or 2, characterized in that, A plurality of static piece positioning bosses are arranged circumferentially on the edge position of the upper surface of the base. A plurality of static piece positioning grooves adapted to the static piece positioning bosses are arranged circumferentially on the ceramic static piece.

4. The ceramic valve core with switchable temperature according to claim 3, characterized in that, A plurality of moving piece positioning bosses are arranged circumferentially on the edge position of the lower surface of the moving piece dial. A plurality of moving piece positioning grooves adapted to the moving piece positioning bosses are arranged circumferentially on the ceramic moving piece.

5. The ceramic valve core with switchable temperature according to claim 1, characterized in that, A pin hole is horizontally opened in the lower part of the rotating rod. A pin is penetrated through the pin hole. A through hole is opened in the middle of the moving piece dial. Pin grooves are arranged on both sides of the through hole. Both ends of the pin are located in the pin grooves.

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