CN109931420B - Water mixing valve capable of simultaneously opening and closing cold water and hot water - Google Patents
Water mixing valve capable of simultaneously opening and closing cold water and hot water Download PDFInfo
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- CN109931420B CN109931420B CN201910279411.1A CN201910279411A CN109931420B CN 109931420 B CN109931420 B CN 109931420B CN 201910279411 A CN201910279411 A CN 201910279411A CN 109931420 B CN109931420 B CN 109931420B
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- mixing valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 287
- 238000003825 pressing Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The invention relates to a bathroom product, in particular to a water mixing valve capable of simultaneously switching cold water and hot water. The valve comprises a switch cavity and a water mixing cavity which are of integrated structures, wherein the switch cavity comprises a switch valve chamber provided with a switch valve, a cold water input pipe joint and a hot water input pipe joint, and a valve seat matched with a valve plate for use is arranged in the inner cavity of the switch valve chamber; the water mixing cavity comprises a water mixing valve chamber provided with a water mixing valve core and a mixed water output pipe connected to the output end of the water mixing valve chamber; the switch valve chamber is vertically intersected with the water mixing valve chamber, and a cold water output vertical pipe and a hot water output vertical pipe are fixedly connected to the pipe wall of the water mixing valve chamber in the inner cavity of the switch valve chamber. The water mixing valve has reasonable structure and low processing and production cost, adopts an integrated cavity, and thoroughly solves the problem of cold and hot water series flow by arranging the switch valve at the front end of the water mixing valve, thereby avoiding the residual water remained in the water mixing valve from freezing and breaking the valve body; meanwhile, the water mixing valve core can be conveniently detached, and the water mixing valve is convenient for a user to clean by himself.
Description
Technical Field
The invention relates to a bathroom product, in particular to a water mixing valve capable of simultaneously switching cold water and hot water.
Background
At present, a switch of a constant-temperature water mixing valve for bath is mostly arranged at a water outlet end of mixed water, and after the valve is closed, a water mixing cavity is filled with water, so that a valve core is easily frozen. The water mixing valve with the structure has the advantages that the switch can only control the output of mixed water, the one-way valve is arranged at the input end of cold water and hot water to avoid cold water and hot water series flow, but in actual use, when the one-way valve fails, cold water with higher pressure can be directly connected into a hot water pipeline in series, the water outlet only outputs cold water without mixed warm water, or tap water is connected into a solar water heater water tank or a hot water tank of a boiler after the valve is closed, so that solar water leakage or exceeding of the water level of the boiler is caused. Another patent 2018108739452 of the applicant discloses a "combined water mixing valve cavity", in which a switch valve is arranged at the front end of the water mixing valve cavity, and the same group of valve cores are used for simultaneously controlling the on-off of cooling and hot water, so that the problem of series flow of the cooling and hot water is thoroughly solved, the water is not left in the water mixing cavity after the valve is closed, and the water mixing valve core is not frozen and frosted. However, the split combined type water mixing valve cavity needs to be processed respectively with the water mixing valve cavity and the switch valve cavity in the production process, and is assembled together in the assembly process, so that the production cost is high; in addition, the cold and hot water channels for communicating the water mixing valve cavity and the switch valve cavity are positioned outside the cavity, the processing technology is complex, the possibility of water leakage exists, and a great hidden danger is caused to the quality of products.
In addition, the user is unavoidable to have solid impurity such as incrustation scale entering the mixing valve in the use, and though the water inlet department of mixing the water case is provided with the filter screen and can block impurity and avoid it to get into the case inside, nevertheless can not be with impurity discharge mixing the water valve pocket. The constant temperature water mixing valve core of the existing water mixing valve is arranged in the water mixing valve cavity through threads, the water mixing valve core is screwed into the water mixing valve cavity by a special tool during assembly, the water mixing valve core and the water mixing valve cavity are wrapped by the shell after the assembly of a finished product is completed, only the temperature regulating hand wheel of the water mixing valve core is exposed out of the shell, and a user cannot automatically clean the water mixing valve cavity and the water mixing valve core.
Disclosure of Invention
The invention aims to provide the water mixing valve which has reasonable structure, adopts the integrated cavity and has low processing and production cost, cold water and hot water are simultaneously opened and closed, thoroughly solves the problem of cold water and hot water series flow, and is convenient for a user to clean the water mixing valve core and the water mixing valve cavity.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to a water mixing valve with cold and hot water on-off simultaneously, which comprises a switching cavity and a water mixing cavity, wherein the switching cavity comprises a switching valve chamber provided with the switching valve, a cold water input pipe joint and a hot water input pipe joint, and a valve seat matched with the switching valve for use is arranged in an inner cavity of the switching valve chamber; the water mixing cavity comprises a water mixing valve chamber provided with a water mixing valve core and a mixed water output pipe connected to the output end of the water mixing valve chamber; the switch valve chamber and the water mixing valve chamber are all of circular pipe-shaped structures, and are characterized in that: the valve seat consists of four pipe bodies parallel to the axis of the switch valve chamber, namely a cold water input vertical pipe, a hot water input vertical pipe, a cold water output vertical pipe and a hot water output vertical pipe, wherein the end surfaces of the four pipe bodies are positioned on the same plane, the cold water input vertical pipe is communicated with a cold water input pipe joint through a cold water channel, the hot water input vertical pipe is communicated with a hot water input pipe joint through a hot water channel, and the cold water channel and the hot water channel are coaxially arranged and are respectively arranged on two sides of the switch valve chamber; the switch valve chamber is vertically intersected with the water mixing valve chamber, a cold water output vertical pipe and a hot water output vertical pipe are fixedly connected to the pipe wall of the water mixing valve chamber in the inner cavity of the switch valve chamber, and the cold water output vertical pipe and the hot water output vertical pipe are communicated with the inner cavity of the water mixing valve chamber.
The water mixing valve comprises a switching cavity and a water mixing cavity which are of an integrated structure, wherein the switching cavity comprises a switching valve chamber provided with the switching valve, a cold water input pipe joint and a hot water input pipe joint, and a valve seat matched with the switching valve for use is arranged in an inner cavity of the switching valve chamber; the water mixing cavity comprises a water mixing valve chamber provided with a water mixing valve core and a mixed water output pipe connected with the output end of the water mixing valve chamber; the switch valve chamber and the water mixing valve chamber are of circular pipe-shaped structures, a positioning groove is formed in the inner wall of the water mixing valve chamber, a positioning clamp matched with the positioning groove is arranged on the outer wall of the water mixing valve core, a pressing cap is sleeved on a valve core rod of the water mixing valve core connected with an adjusting hand wheel in a sliding mode, and the inner end of the pressing cap is connected to the water mixing valve chamber through threads, and an end cap is arranged at the outer end of the pressing cap.
The inner wall of the water mixing valve chamber is provided with a positioning groove, the outer wall of the water mixing valve core is provided with a positioning clamp matched with the positioning groove, a valve core rod of the water mixing valve core connected with an adjusting hand wheel is sleeved with a pressing cap in a sliding manner, and the inner end of the pressing cap is connected to the water mixing valve chamber through threads, and the outer end of the pressing cap is provided with an end cap.
The mixed water output pipe is an L-shaped pipe connected to the rear end of the mixed water valve chamber, the axes of the mixed water output pipe, the mixed water valve chamber, the cold water channel and the hot water channel are positioned on the same plane, and the axis of the switch valve chamber is perpendicular to the plane.
Due to the adoption of the structure, the water mixing valve is reasonable in structure and low in processing production cost, and the integral cavity is adopted, so that the switching valve is arranged at the front end of the water mixing valve, the problem of cold and hot water series flow is thoroughly solved, and the situation that residual water in the water mixing valve is frozen to break the valve body is avoided; meanwhile, the water mixing valve core can be conveniently detached, so that a user can conveniently and automatically clean solid particulate impurities in the water mixing valve core and the water mixing valve cavity.
Drawings
FIG. 1 is a schematic diagram of an integrated cavity assembly according to an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic cross-sectional structural view of the integrated cavity assembly.
FIG. 4 is a schematic cross-sectional structural view of an integrated cavity assembly with a water mixing valve cartridge.
Fig. 5 is a schematic structural view of the fixed valve plate.
Fig. 6 is a schematic structural view of the movable valve plate.
Detailed Description
As shown in fig. 1 and 2, the water mixing valve for simultaneously opening and closing cold water and hot water according to the invention comprises an opening and closing cavity and a water mixing cavity which are integrally structured, wherein the opening and closing cavity comprises an opening and closing valve chamber 1 provided with the opening and closing valve, a cold water input pipe joint 2 and a hot water input pipe joint 3, the cold water input pipe joint 2 is used for being connected with cold water sources such as tap water, and the hot water input pipe joint 3 is used for being connected with hot water sources such as water heater.
The inner cavity of the switch valve chamber 1 is provided with a valve seat matched with the switch valve, the outer end of the switch valve chamber 1 is opened and used for installing the switch valve, and the inner end of the switch valve chamber 1 is closed and provided with the valve seat. The switch valve adopts the existing integrated switch valve core, as shown in fig. 5 and 6, the integrated switch valve core comprises a fixed valve block 51 and a movable valve block 52 which are both in cylindrical structures, the fixed valve block 51, the movable valve block 52, a valve shell for fixing the relative positions of the fixed valve block 51 and the movable valve block 52, and a central shaft for driving the movable valve block 52 to rotate jointly form the switch valve for switching cold and hot water, wherein the fixed valve block 51 is positioned between a valve seat and the movable valve block 52, and four valve block through holes 511 are distributed on the fixed valve block 51; when the movable valve plate 52 is installed, the movable valve plate 52 is tightly attached to the fixed valve plate 51, the inner side surface of the movable valve plate 52 facing the fixed valve plate 51 is provided with two arc-shaped grooves 522, and each arc-shaped groove 522 can cover two of the four valve plate through holes 511 at the same time. The fixed valve plate 51 and the movable valve plate 52 are arranged in the valve casing, and a middle shaft extending to the outside of the valve casing is in transmission connection with the movable valve plate 52, and the movable valve plate 52 can be rotated through the middle shaft, so that different matching states of the arc-shaped grooves 522 and the four valve plate through holes 511 are realized. The switching valve of this construction is a well known art and will not be described in detail here.
As shown in fig. 1 and 2, the water mixing cavity comprises a water mixing valve chamber 8 provided with a water mixing valve core, and a mixed water output pipe 9 connected to the output end of the water mixing valve chamber 8, wherein the mixed water output pipe 9 is used for being connected with a user shower or other water using equipment to output warm water formed by mixing cold water and hot water.
The switch valve chamber 1 and the water mixing valve chamber 8 are of circular tubular structures, wherein the switch valve chamber 1 adopts a cylindrical tubular structure, the water mixing valve chamber 8 adopts a conical tubular structure matched with the outer contour of the water mixing valve, and the front end of the water mixing valve chamber is directly larger and the diameter of the rear end of the water mixing valve chamber is smaller.
The valve seat is composed of four pipe bodies parallel to the axis of the switch valve chamber 1, namely a cold water input vertical pipe 61, a hot water input vertical pipe 62, a cold water output vertical pipe 63 and a hot water output vertical pipe 64, the end surfaces of the four pipe bodies are positioned on the same plane and distributed in an equidistant annular mode, and the end surfaces of the four pipe bodies correspond to the four valve plate through holes 511 on the fixed valve plate 51. The contact area between the valve seat formed by the four independent stand pipes and the bottom of the integrated switch valve core is small, and the periphery of the stand pipes is provided with a cavity, so that the end part of each stand pipe can be tightly contacted with the bottom of the integrated switch valve core, and the integrated switch valve core is well sealed. The cold water input vertical pipe 61 is communicated with the cold water input pipe joint 2 through a cold water channel 66, the hot water input vertical pipe 62 is communicated with the hot water input pipe joint 3 through a hot water channel 67, and the cold water channel 66 and the hot water channel 67 are coaxially arranged and are respectively arranged on two sides of the switch valve chamber 1.
As shown in fig. 1, the switch valve chamber 1 and the water mixing valve chamber 8 are vertically intersected, so that part of the pipe wall of the water mixing valve chamber 8 is embedded into the inner cavity of the switch valve chamber 1, the embedded part extends to at least the tail ends of the cold water output vertical pipe 63 and the hot water output vertical pipe 64, and the joint of the switch valve chamber 1 and the water mixing valve chamber 8 is integrally connected by casting or injection molding, so that sealing is realized. The pipe wall of the water mixing valve chamber 8 in the inner cavity of the switch valve chamber 1 is fixedly connected with a cold water output vertical pipe 63 and a hot water output vertical pipe 64, and the cold water output vertical pipe 63 and the hot water output vertical pipe 64 are communicated with the inner cavity of the water mixing valve chamber 8. As shown in fig. 4, after the mixing valve element 84 is installed in the mixing valve chamber 8, the cold water output standpipe 63 is abutted with the cold water input end of the mixing valve element 84, the hot water output standpipe 64 is abutted with the hot water input end of the mixing valve element 84, and the mixed water output end of the mixing valve element 84 is abutted with the mixed water output pipe 9.
When in use, the fixed valve plate 51 is positioned at the bottom of the integrated switch valve core and is abutted against the upper surface of the valve seat, so that the four valve plate through holes 511 are respectively abutted against the four vertical pipes forming the valve seat one by one, and the inner side surface of the movable valve plate 52 downwards covers the fixed valve plate 51. When the movable valve plate 52 rotates, each arc-shaped groove 522 on the movable valve plate 52 can connect or disconnect two adjacent valve plate through holes on the fixed valve plate 51, so that the purposes of simultaneously connecting or disconnecting the cold water input pipe 2 and the cold water output pipe 4 and simultaneously connecting or disconnecting the hot water input pipe 3 and the hot water output pipe 5 are achieved, and simultaneously switching the cold and hot water channels are achieved. Of course, there are various structural forms of the valve plate of the on-off valve, and various on-off valves having the function of simultaneously opening and closing cold and hot water in the prior art can be used, and this is not the only example.
As another embodiment of the invention, as shown in fig. 4, the switch cavity comprises a switch valve chamber 1 provided with a switch valve, a cold water input pipe joint 2 and a hot water input pipe joint 3, wherein a valve seat matched with the switch valve is arranged in the inner cavity of the switch valve chamber 1; the water mixing cavity comprises a water mixing valve chamber 8 provided with a water mixing valve core, and a mixed water output pipe 9 connected with the output end of the water mixing valve chamber 8; the switch valve chamber 1 and the water mixing valve chamber 8 are of circular pipe structures, a positioning groove 81 is arranged on the inner wall of the water mixing valve chamber 8, and the positioning groove 81 can be arranged on the inner wall of the water mixing valve chamber 8 and at the position where the side wall of any water mixing valve core 84 contacts, and is used for fixing the water mixing valve core 84 and preventing the water mixing valve core 84 in place from rotating in the water mixing valve chamber 8. The outer wall of the water mixing valve core 84 is provided with a positioning clamp 82 matched with the positioning groove 81, and after the water mixing valve core 84 is installed in place, the positioning clamp 82 is clamped into the positioning groove 81, so that the position of the water mixing valve core 84 can be locked, and the water mixing valve core is prevented from rotating. The water mixing valve element 84 is constructed in a manner known in the art and is a conventional constant temperature water mixing valve element.
The valve core rod 86 of the water mixing valve core 84 connected with the adjusting hand wheel 85 is sleeved with a pressing cap 87 in a sliding manner, the inner end of the pressing cap 87 is connected to the water mixing valve chamber 8 through threads, and the outer end of the pressing cap is provided with an end cap 88. After the water mixing valve core 84 is arranged in the water mixing valve chamber 8, the water mixing valve core 84 can be squeezed by tightening the pressing cap 87, so that the water mixing valve core 84 is installed in place, and the water mixing valve core 84 is prevented from falling outwards. As shown in fig. 4, after the housing 89 is attached, the end cap 88 and the adjusting hand wheel 85 are exposed to the outside of the housing, so that the end cap 88 can be rotated by a tool such as a wrench to release the press cap 87, and the entire water mixing valve core 84 can be taken out without affecting the temperature adjustment of the adjusting hand wheel 85. The user can conveniently clean the water mixing valve core 84 or the water mixing valve chamber 8 by himself.
As a further improvement of the above embodiment, the mixed water outlet pipe 9 is an L-shaped pipe connected to the rear end of the mixed water valve chamber 8, and the axes of the mixed water outlet pipe 9, the mixed water valve chamber 8, the cold water passage 66 and the hot water passage 67 are on the same plane, and the axis of the switch valve chamber 1 is perpendicular to the plane. By means of the layout, the switch valve can be arranged on the front face of the square shell 89, and the cold water interface, the hot water interface, the mixed water output pipe 9 and the regulating hand wheel 85 are respectively arranged on different sides of the shell 89, so that connection of pipelines and daily use of users are facilitated.
Claims (2)
1. The water mixing valve comprises a switching cavity and a water mixing cavity which are of an integrated structure, wherein the switching cavity comprises a switching valve chamber (1) provided with the switching valve, a cold water input pipe joint (2) and a hot water input pipe joint (3), and a valve seat matched with the switching valve for use is arranged in the inner cavity of the switching valve chamber (1); the water mixing cavity comprises a water mixing valve chamber (8) provided with a water mixing valve core and a mixed water output pipe (9) connected to the output end of the water mixing valve chamber (8); the switch valve chamber (1) and the water mixing valve chamber (8) are of circular tubular structures, and are characterized in that: the valve seat consists of four pipe bodies parallel to the axis of the switch valve chamber (1), namely a cold water input vertical pipe (61), a hot water input vertical pipe (62), a cold water output vertical pipe (63) and a hot water output vertical pipe (64), wherein the end surfaces of the four pipe bodies are positioned on the same plane, the cold water input vertical pipe (61) is communicated with a cold water input pipe joint (2) through a cold water channel (66), the hot water input vertical pipe (62) is communicated with a hot water input pipe joint (3) through a hot water channel (67), and the cold water channel (66) and the hot water channel (67) are coaxially arranged and are respectively arranged on two sides of the switch valve chamber (1); the switch valve chamber (1) is vertically intersected with the water mixing valve chamber (8), a cold water output vertical pipe (63) and a hot water output vertical pipe (64) are fixedly connected to the pipe wall of the water mixing valve chamber (8) in the inner cavity of the switch valve chamber (1), and the cold water output vertical pipe (63) and the hot water output vertical pipe (64) are communicated with the inner cavity of the water mixing valve chamber (8); a positioning groove (81) is formed in the inner wall of the water mixing valve chamber (8), a positioning clamp (82) matched with the positioning groove (81) is arranged on the outer wall of the water mixing valve core (84), a valve core rod (86) of the water mixing valve core (84) connected with an adjusting hand wheel (85) is sleeved with a pressing cap (87) in a sliding mode, the inner end of the pressing cap (87) is connected to the water mixing valve chamber (8) through threads, an end cap (88) is arranged at the outer end of the pressing cap, so that the end cap (88) can be rotated through a wrench while the adjusting temperature of the adjusting hand wheel (85) is not influenced, the pressing cap (87) is loosened, and the whole formed by the water mixing valve core (84), the valve core rod (86), the pressing cap (87), the end cap (88) and the adjusting hand wheel (85) is taken out; the mixed water output pipe (9) is an L-shaped pipe connected to the rear end of the mixed water valve chamber (8), the axes of the mixed water output pipe (9), the mixed water valve chamber (8), the cold water channel (66) and the hot water channel (67) are located on the same plane, and the axis of the switch valve chamber (1) is perpendicular to the plane.
2. The water mixing valve comprises a switching cavity and a water mixing cavity which are of an integrated structure, wherein the switching cavity comprises a switching valve chamber (1) provided with the switching valve, a cold water input pipe joint (2) and a hot water input pipe joint (3), and a valve seat matched with the switching valve for use is arranged in the inner cavity of the switching valve chamber (1); the water mixing cavity comprises a water mixing valve chamber (8) provided with a water mixing valve core, and a mixed water output pipe (9) connected with the output end of the water mixing valve chamber (8); the switch valve chamber (1) and the water mixing valve chamber (8) are of circular tubular structures, and are characterized in that: the utility model discloses a water mixing valve chamber, including water mixing valve chamber (8), water mixing valve chamber (8) is provided with constant head tank (81) on the inner wall, be provided with on the outer wall of water mixing valve core (84) and match locator card (82) of constant head tank (81), slide the cover on case pole (86) of water mixing valve core (84) that are connected with adjusting hand wheel (85) and be equipped with pressure cap (87), the inner of pressure cap (87) is provided with end cap (88) on water mixing valve chamber (8) through threaded connection, outer end to can rotate end cap (88) through the spanner simultaneously that does not influence adjusting hand wheel (85) temperature, loosen pressure cap (87), will be taken out by the whole that water mixing valve core (84), case pole (86), pressure cap (87), end cap (88) and adjusting hand wheel (85) constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279411.1A CN109931420B (en) | 2019-04-09 | 2019-04-09 | Water mixing valve capable of simultaneously opening and closing cold water and hot water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279411.1A CN109931420B (en) | 2019-04-09 | 2019-04-09 | Water mixing valve capable of simultaneously opening and closing cold water and hot water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109931420A CN109931420A (en) | 2019-06-25 |
| CN109931420B true CN109931420B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279411.1A Active CN109931420B (en) | 2019-04-09 | 2019-04-09 | Water mixing valve capable of simultaneously opening and closing cold water and hot water |
Country Status (1)
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| CN (1) | CN109931420B (en) |
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| CN109931420A (en) | 2019-06-25 |
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