CN202074074U - Water-seeping-free constant-temperature water mixing valve - Google Patents
Water-seeping-free constant-temperature water mixing valve Download PDFInfo
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- CN202074074U CN202074074U CN2011201636105U CN201120163610U CN202074074U CN 202074074 U CN202074074 U CN 202074074U CN 2011201636105 U CN2011201636105 U CN 2011201636105U CN 201120163610 U CN201120163610 U CN 201120163610U CN 202074074 U CN202074074 U CN 202074074U
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Abstract
The utility model relates to a valve, in particular to a water-seeping-free constant-temperature water mixing valve. An inner pipe with a constant-temperature water mixing effect is coaxially arranged in a casing of the valve, simultaneously, a cold water inlet water passage, a hot water inlet water passage, a cold water outlet water passage and a hot water outlet water passage are at least arranged in the casing, one end of the casing is provided with a duplex valve, and a cold water inlet end, a hot water inlet end, a cold water outlet end and a hot water outlet end are arranged in a valve core of the duplex valve and are respectively and correspondingly connected with four water passages arranged in the casing. The water-seeping-free constant-temperature water mixing valve has the advantages that a water mixing mechanism is arranged behind a closing valve, cold water and hot water are mixed after respectively passing through the valve, the passage between the cold water and the hot water is cut off when the valve is closed, the water seeping phenomenon is thoroughly avoided, the arrangement of a check valve at the cold and hot water inlet part is not needed, and the problem caused by check valve failure is avoided.
Description
Technical field
The utility model relates to a kind of valve, is a kind of constant temperature water-mixing valve specifically.
Background technique
Must use water-mixing valve in the various shower facilities, after the cold water that hot water that temperature is higher and temperature are lower mixes by a certain percentage, produce euthermic warm water, for people to use.Traditional water-mixing valve is the ratio that changes hot and cold water by the water flow of regulating water inlet of hot water and cold water inlet respectively; reach the purpose of adjusting water temperature; but because in use the pressure of hot and cold water changes through regular meeting; influence the proportioning of water flow; cause mixed water valve water outlet place sometimes hot and sometimes cold, can't reach the purpose that constant temperature uses.Existing constant temperature water-mixing valve utilizes the openings of sizes of temperature-sensitive original paper control water inlet of hot water and cold water inlet, thereby changes the ratio of hot and cold water, reaches the purpose of effluent temperature constancy.But this constant-temperature water mixing valve goalkeeper mixes the front end that water mechanism is arranged on throttle down, that is to say after hot and cold water at first mixes and just sends by valve and water outlet.In valve closing, cold water inlet end and hot water inlet end certainly exist put-through channel, when there is difference in hot and cold water pressure, the water that pressure is high will be to the low end string water of pressure, for fear of string water phenomenon, the hot and cold water of this constant temperature water-mixing valve such as place, the mouth of a river all will be provided with safety check, and the setting of safety check makes complex structure, improve cost of production, also increased the probability that breaks down.
Summary of the invention
The purpose of this utility model provides a kind of do not have safety check, simple in structure, non-series-water constant temperature water-mixing valve that hot and cold water can not gone here and there water.
For achieving the above object, the utility model is by the following technical solutions:
Non-series-water constant temperature water-mixing valve described in the utility model comprises and has cold water inlet, the housing of hot water inlet and water outlet, be coaxially arranged with interior pipe in the described housing, the tube wall of interior pipe is provided with hot water through hole and cold water through hole, the inner chamber of interior pipe is separated into by demarcation strip and mixes water cavity and regulate the chamber, hot water through hole and cold water through hole are positioned on the outer wall that mixes water cavity, be installed with mixed water cavity end cap in the end of mixing water cavity by screw thread, mix on the water cavity end cap and have ending cover hole, mix between water cavity end cap and the housing and is connected by seal ring, the ending cover hole on the mixed water cavity end cap is communicated with water outlet by water channel; Mix in the water cavity and be fitted with the temperature-sensitive bar, described temperature-sensitive bar comprises the columned body of rod and is fixedly connected on the extension rod at place, body of rod axle center, the body of rod of temperature-sensitive bar is provided with the through hole that is communicated with two ends, be provided with temperature-sensitive rod seal ring between the outer wall of temperature-sensitive bar and the inwall of mixed water cavity, be provided with return spring between temperature-sensitive bar and the mixed water cavity end cap; Be provided with adjustable lever in regulating the chamber, the inner of adjustable lever is resisted against on the temperature-sensitive bar, and the outer end and the spiral regulating device of adjustable lever are in transmission connection; It is characterized in that: an end of housing be coaxially installed with can two water channels of synchronization control the duplex valve, described cold water inlet is by being arranged on the cold water inlet end that cold water inlet water channel in the housing is connected to the duplex valve, and described hot water inlet is by being arranged on hot water inlet's end that hot water inlet's water channel in the housing is connected to the duplex valve; In housing, also be provided with the cooling water outlet water channel that is communicated with cold water through hole and duplex valve cooling water outlet end, the hot water outlet water channel that is communicated with hot water through hole and duplex valve hot water outlet end.
The body of rod of described temperature-sensitive bar is the cylindric of hollow, is connected by connecting plate between the inwall of extension rod and the body of rod, and described connecting plate is provided with through hole.
Between the inner of duplex valve and housing, be provided with the water knob, the described water knob of going up is provided with four penetration holes that correspond respectively to cold water inlet water channel, hot water inlet's water channel, cooling water outlet water channel, hot water outlet water channel, side towards housing on last water knob is provided with the water groove, the local recessed area of strip that described upward water groove is arranged on water knob surface, the two ends of last water groove are separately positioned on a side of cold water inlet water channel and hot water inlet's water channel.
After adopting technique scheme, this non-series-water constant-temperature water mixing valve goalkeeper mixes water mechanism and is arranged on after the throttle down, hot and cold water just mixes by after the valve respectively, in case valve closing has also just blocked the passage between the hot and cold water, thoroughly stop to go here and there the water phenomenon, the hot and cold water ingress need not to be provided with safety check, avoids the problem that produces because of the safety check fault.
Description of drawings
Fig. 1 is an embodiment's of the utility model a structural representation.
Fig. 2 is the structural representation of temperature-sensitive bar.
Fig. 3 is the assembling schematic representation of duplex valve and housing attachment portion.
Fig. 4 is the structural representation of dual valve family of power and influence core segment.
Fig. 5 is the A-A sectional view of Fig. 4.
Fig. 6 is another embodiment's of the utility model a structural representation.
Fig. 7 is a structural representation of going up the water knob among Fig. 6 embodiment.
Embodiment
As shown in drawings, non-series-water constant temperature water-mixing valve described in the utility model, comprise and have cold water inlet 1, the housing 4 of hot water inlet 2 and water outlet 3, pipe 5 in being coaxially arranged with in the described housing 4, the tube wall of interior pipe 5 is provided with hot water through hole 21 and cold water through hole 11, the inner chamber of interior pipe 5 is separated into by demarcation strip 51 and mixes water cavity and regulate the chamber, hot water through hole 21 and cold water through hole 11 are positioned on the outer wall that mixes water cavity, be installed with mixed water cavity end cap 8 in the end of mixing water cavity by screw thread, mix on the water cavity end cap 8 and have ending cover hole, mix between water cavity end cap 8 and the housing 4 and be connected by seal ring, the ending cover hole on the mixed water cavity end cap 8 is communicated with water outlet 3 by water channel; Mix in the water cavity and be fitted with temperature-sensitive bar 7, described temperature-sensitive bar 7 comprises the columned body of rod and is fixedly connected on the extension rod at place, body of rod axle center that the body of rod of temperature-sensitive bar 7 is provided with the through hole that is communicated with two ends.As shown in Figure 2, the body of rod of described temperature-sensitive bar 7 is the cylindric of hollow, is connected by connecting plate between the inwall of extension rod and the body of rod, and described connecting plate is provided with through hole.This structure can alleviate the weight of temperature-sensitive bar 7 as far as possible, having improved sensitivity reduces cost again, the axial length of temperature-sensitive bar 7 at least should and hot water through hole 21 and cold water through hole 11 between distance suitable, that is: just in time can complete closed hot water through hole 21 when temperature-sensitive bar 7 moves to any end or cold water through hole 11 one of them, and open wide another fully.Be provided with temperature-sensitive rod seal ring between the outer wall of temperature-sensitive bar 7 and the inwall of mixed water cavity, be provided with return spring 9 between temperature-sensitive bar 7 and the mixed water cavity end cap 8, its effect is to make temperature-sensitive bar 7 returns; Be provided with adjustable lever 41 in regulating the chamber, the inner of adjustable lever 41 is resisted against on the temperature-sensitive bar 7, and the outer end and the spiral regulating device of adjustable lever 41 are in transmission connection, and can manually control the temperature of water outlet by the initial position of spiral regulating device adjustment temperature-sensitive bar 7.The effect of spiral regulating device is to rely on the principle of screw propulsion to determine the initial position of adjustable lever 41, and the concrete structure of spiral regulating device can have multiple.As shown in Figure 1, the push rod 43 that this spiral regulating device comprises the guide pin bushing 42 that is sleeved on adjustable lever 41 outsides, is connected with adjustable lever 41 by screw thread, the outer surface of adjustable lever 41 is the polygon prism shape, the guide pin bushing 42 of Pei Heing has the inner chamber of polygon prism shape with it, can move axially between adjustable lever 41 and the adjustable lever 41 like this and can not rotate relatively, fixedly connected positioning ring 44 on the guide pin bushing 42, the terminal fixedly connected temperature adjustment knob 45 of push rod 43.
An end of housing 4 be coaxially installed with can two water channels of synchronization control duplex valve 81, the structure of duplex valve 81 has a variety of.Also be provided with cold water inlet water channel 1A, hot water inlet's water channel 2A, cooling water outlet water channel 1B, hot water outlet water channel 2B in housing 4, for the ease of assembling, above-mentioned four water channel annulars are evenly distributed in the housing 4.Described cold water inlet 1 is connected to the cold water inlet end 1A1 of duplex valve 81 by cold water inlet water channel 1A, and described hot water inlet 2 holds 2A1 by the hot water inlet that hot water inlet's water channel 2A is connected to duplex valve 81; As Fig. 3---shown in Figure 5, described duplex valve 81 adopts and the identical cylindrical structure of housing 4 profiles, wherein the spool cold water inlet end 1A1 and the hot water inlet that are provided with the arc groove shape holds 2A1, when spool rotates, cold water inlet end 1A1 and hot water inlet hold 2A1 to cooperate with cold water inlet water channel 1A, hot water inlet's water channel 2A respectively, realize hot and cold water from closed condition to the variation of full-gear gradually.In addition, on the spool of duplex valve 81, also be provided with cooling water outlet end 1B1, the hot water outlet end 2B1 of arc groove shape, have inner cold water channel 1B2 to be connected between cooling water outlet end 1B1 and the cold water inlet end 1A1, hot water outlet end 2B1 holds with the hot water inlet has internal hot-water passage 2B2 to be connected between the 2A1.The arc length of cooling water outlet end 1B1 and hot water outlet end 2B1 should satisfy following condition at least: make the process of hot and cold water from closed condition to full-gear gradually in spool rotation, the end of cooling water outlet water channel 1B on the housing 4 is positioned at certain on the cooling water outlet end 1B1 all the time, and the end of hot water outlet water channel 2B is positioned at certain of hot water outlet end 2B1 all the time.Like this, no matter how the spool of duplex valve 81 rotates, and cooling water outlet water channel 1B is communicated with cooling water outlet end 1B1 all the time, and hot water outlet water channel 2B is communicated with hot water outlet end 2B1 all the time.
Certainly, the structure of duplex valve 81 and spool can also have a variety of, as long as can control two water routes of hot water or cold water simultaneously.More structural does not repeat them here.
During use, the hot and cold water that is entered by cold water inlet 1 and hot water inlet 2 water channel by separately respectively enters duplex valve 81.If this moment, the duplex valve 81 was closed, then the hot water or cold water neither circulates and also can not go here and there water.If duplex valve 81 is opened, cold water by cooling water outlet water channel 1B arrive cold water through hole 11 enter mix in the water cavity, the left side of temperature-sensitive bar 7; Hot water by hot water outlet water channel 2B arrive hot water through hole 21 enter mix in the water cavity, the right side of temperature-sensitive bar 7; The cold water in the left side of temperature-sensitive bar 7 can enter the right side by the through hole on the temperature-sensitive bar 7, mixes with hot water, and mixed warm water is sent from water outlet 3 by mixing the through hole on the water cavity end cap 8.The effect of temperature detection is played on the right side of temperature-sensitive bar 7, in the time of the temperature drift of mixing water, heat sensitive material in temperature-sensitive bar 7 inner chambers expands, motion bar 71 elongations because the adjustable lever 41 of left end is fixing, will promotes temperature-sensitive bar 7 in the time of motion bar 71 elongations and move right, temperature-sensitive seal ring on temperature-sensitive bar 7 outer walls blocks a part with hot water through hole 21, be equivalent to reduce hot water inlet's flow, thereby reduced the ratio of hot water, reduced water temperature.Otherwise when the temperature of mixing water was on the low side, temperature-sensitive bar 7 was moved to the left, and cold water through hole 11 is blocked a part, thereby reduced the ratio of cold water, improved water temperature.Reach the purpose of self adaption, constant temperature by such principle of expanding with heat and contracting with cold.
The effect of spiral regulating device is in initialization, by adjustable diameter and screw adjusting adjustable lever 41 is fixed on a suitable position.
As another embodiment of the present utility model, as shown in Figure 6, be to increase and go up water function, can also between the inner of duplex valve 81 and housing 4, water knob 91 be set.As shown in Figure 7, described upward water knob 91 is a cylindrical structure, last water knob 91 is provided with and corresponds respectively to cold water inlet water channel 1A, hot water inlet's water channel 2A, cooling water outlet water channel 1B, four penetration hole 1AA, the 2AA of hot water outlet water channel 2B, 1BB, 2BB, and penetration hole runs through the two ends of water knob 91.Simultaneously, side towards housing 4 on last water knob 91 is provided with water groove 92, the local recessed area of strip that described upward water groove 92 is arranged on water knob 91 surfaces, the two ends of last water groove 92 are separately positioned on the side of cold water inlet water channel 1A and hot water inlet's water channel 2A.Last water knob 91 is turned over certain angle, make four penetration hole 1AA, 2AA, 1BB, 2BB just in time with cold water inlet water channel 1A, hot water inlet's water channel 2A, cooling water outlet water channel 1B, when hot water outlet water channel 2B aligns, 91 effects of playing common watercourse of last water knob are closed or are opened hot water by duplex valve 81 and use.On the needs water time, last water knob 91 is turned over certain angle, alignd with cold water inlet water channel 1A and hot water inlet's water channel 2A respectively in the two ends of water groove 92, cooling water outlet water channel 1B, hot water outlet water channel 2B are closed at this moment, cold water inlet water channel 1A and hot water inlet's water channel 2A directly are communicated with by last water groove 92, because the pressure of cold water end is greater than the pressure of hot water end, cold water enters hot water inlet's water channel 2A, can realize the last water of solar water heater.
Certainly, use for convenience, can indentation or sign be set at the outer surface of housing 4 and last water knob 91, so that distinguish the position of difference in functionality, can also location card be set between, when last water knob 91 rotates to certain position, automatically lock, prevent misoperation.This is the known technology of related domain, does not repeat them here.
Claims (3)
1. non-series-water constant temperature water-mixing valve, comprise and have cold water inlet (1), the housing (4) of hot water inlet (2) and water outlet (3), be coaxially arranged with interior pipe (5) in the described housing (4), the tube wall of interior pipe (5) is provided with hot water through hole (21) and cold water through hole (11), the inner chamber of interior pipe (5) is separated into by demarcation strip (51) and mixes water cavity and regulate the chamber, hot water through hole (21) and cold water through hole (11) are positioned on the outer wall that mixes water cavity, be installed with mixed water cavity end cap (8) in the end of mixing water cavity by screw thread, mix on the water cavity end cap (8) and have ending cover hole, mix between water cavity end cap (8) and the housing (4) and be connected by seal ring, the ending cover hole on the mixed water cavity end cap (8) is communicated with water outlet (3) by water channel; Mix in the water cavity and be fitted with temperature-sensitive bar (7), described temperature-sensitive bar (7) comprises the columned body of rod and is fixedly connected on the extension rod at place, body of rod axle center, the body of rod of temperature-sensitive bar (7) is provided with the through hole that is communicated with two ends, be provided with temperature-sensitive rod seal ring between the outer wall of temperature-sensitive bar (7) and the inwall of mixed water cavity, be provided with return spring (9) between temperature-sensitive bar (7) and the mixed water cavity end cap (8); Be provided with adjustable lever (41) in regulating the chamber, the inner of adjustable lever (41) is resisted against on the temperature-sensitive bar (7), and the outer end and the spiral regulating device of adjustable lever (41) are in transmission connection; It is characterized in that: an end of housing (4) be coaxially installed with can two water channels of synchronization control duplex valve (81), described cold water inlet (1) is by being arranged on the cold water inlet end that the interior cold water inlet water channel (1A) of housing (4) is connected to duplex valve (81), and described hot water inlet (2) is by being arranged on hot water inlet's end that the interior hot water inlet's water channel (2A) of housing (4) is connected to duplex valve (81); In housing (4), also be provided with the cooling water outlet water channel (1B) that is communicated with cold water through hole (11) and duplex valve (81) cooling water outlet end, the hot water outlet water channel (2B) that is communicated with hot water through hole (21) and duplex valve (81) hot water outlet end.
2. non-series-water constant temperature water-mixing valve according to claim 1 is characterized in that: the body of rod of described temperature-sensitive bar (7) is the cylindric of hollow, is connected by connecting plate between the inwall of extension rod and the body of rod, and described connecting plate is provided with through hole.
3. non-series-water constant temperature water-mixing valve according to claim 1 and 2, it is characterized in that: between the inner of duplex valve (81) and housing (4), be provided with water knob (91), described upward water knob (91) is provided with and corresponds respectively to cold water inlet water channel (1A), hot water inlet's water channel (2A), cooling water outlet water channel (1B), four penetration hole (1AA of hot water outlet water channel (2B), 2AA, 1BB, 2BB), a side that goes up towards housing (4) at last water knob (91) is provided with water groove (92), the described water groove (92) of going up is arranged on the local recessed area of the surperficial strip of water knob (91), and the two ends of last water groove (92) are separately positioned on a side of cold water inlet water channel (1A) and hot water inlet's water channel (2A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201636105U CN202074074U (en) | 2011-05-21 | 2011-05-21 | Water-seeping-free constant-temperature water mixing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201636105U CN202074074U (en) | 2011-05-21 | 2011-05-21 | Water-seeping-free constant-temperature water mixing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202074074U true CN202074074U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201636105U Expired - Fee Related CN202074074U (en) | 2011-05-21 | 2011-05-21 | Water-seeping-free constant-temperature water mixing valve |
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| Country | Link |
|---|---|
| CN (1) | CN202074074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420586A (en) * | 2017-09-11 | 2017-12-01 | 佛山市乐华恒业卫浴有限公司 | One kind shower temperature control tap |
-
2011
- 2011-05-21 CN CN2011201636105U patent/CN202074074U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420586A (en) * | 2017-09-11 | 2017-12-01 | 佛山市乐华恒业卫浴有限公司 | One kind shower temperature control tap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20130521 |