WO2016173333A1 - 冷热水分流阀 - Google Patents

冷热水分流阀 Download PDF

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Publication number
WO2016173333A1
WO2016173333A1 PCT/CN2016/076813 CN2016076813W WO2016173333A1 WO 2016173333 A1 WO2016173333 A1 WO 2016173333A1 CN 2016076813 W CN2016076813 W CN 2016076813W WO 2016173333 A1 WO2016173333 A1 WO 2016173333A1
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WO
WIPO (PCT)
Prior art keywords
chamber
cylinder
hot water
hole
temperature sensing
Prior art date
Application number
PCT/CN2016/076813
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English (en)
French (fr)
Inventor
张良寅
Original Assignee
张良寅
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201510205229.3A external-priority patent/CN104832676B/zh
Priority claimed from CN201520261006.4U external-priority patent/CN204985840U/zh
Priority claimed from CN201510204654.0A external-priority patent/CN104832675B/zh
Application filed by 张良寅 filed Critical 张良寅
Publication of WO2016173333A1 publication Critical patent/WO2016173333A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats

Definitions

  • the invention relates to the technical field of heating valves, in particular to a hot and cold water diverting valve.
  • the temperature-regulating hot and cold water diverter valve disclosed in Japanese Patent No. 201420249760.1 can solve the problem of cold water recirculation, but it has the following problems: when the hot water tap is aging due to natural When the water leaks or is considered to cause water leakage, the piston is prone to misjudgment and starts to work. This will waste hot water resources; cold water can easily flow back into the piston during the return flow, which makes the splitting efficiency worse and the hot water supply is slow. .
  • the object of the present invention is to overcome the above-mentioned drawbacks of the prior art, and to provide a hot and cold water diverting valve which can realize precise hot and cold water shunting through sliding cooperation between the piston tube and the outer sleeve, and can also adjust heat according to demand.
  • the water outlet temperature has the advantages of accurate judgment, high reflux efficiency, stable operation and long service life.
  • a hot and cold water diverting valve comprising an outer sleeve which is closed at both ends and is hollow, and a shunting cavity is arranged in the outer sleeve and is respectively located in the diversion a return chamber and a hot water chamber on both sides of the chamber, the return chamber communicates with the split chamber through the first port, and the hot water chamber communicates with the split chamber through the second port, and the return chamber is provided with a one-way communication with the first port a valve, the splitting chamber is provided with a hollowly disposed piston cylinder, and a certain gap exists between the outer wall of the piston cylinder and the inner wall of the outer sleeve, and an annular groove is arranged on the outer wall of the piston cylinder, and the outer wall of the outer sleeve is opened a nozzle, a hot water outlet connected to the hot water chamber, and a return water outlet communicating with the return chamber, and a first through hole communicating with the water in
  • the splitting chamber can be further divided into three relatively independent chambers by the arrangement of the annular groove of the cylinder tube, respectively being the first chamber directly communicating with the hot water chamber, and directly communicating with the inner cavity of the cylinder barrel. a second chamber and a third chamber in direct communication with the return chamber.
  • the arrangement is such that the flow of water flowing in from the water inlet is prevented from being largely lost in the first chamber or the third chamber from both sides of the second chamber, and the water flow can be facilitated to pass through the first through hole in the second chamber in a large amount and quickly. Entering the inner cavity of the cylinder, thereby accelerating the temperature-sensing transmission of the temperature-sensing actuator.
  • the water inlet is connected with the hot water outlet pipe of the hot water supply system, and the return water outlet can communicate with the cold water inlet pipe of the hot water supply system or with the water storage tank, and the hot water outlet is connected with the hot water tap.
  • the hot water tap causes natural water leakage due to aging or is considered to cause water leakage, although the hot water chamber and the remaining cold water in the first chamber will flow out of the hot water tap, the water flow may be caused by the gap between the piston tube and the outer sleeve. Driven by the poor, quickly flow from the water inlet into the first chamber and the hot water chamber to maintain the A new pressure balance within the structure prevents accidental start-up of the piston cylinder in this situation.
  • the pipeline and the outer sleeve retain the normal temperature cold water, and thus the temperature sensing actuator is in the original cold contraction state.
  • the right end of the piston cylinder closes the first opening; under the support of the first elastic member to the right end of the temperature sensing actuator, the sealing disk is closed second. Through hole. Since the splitting chamber is not connected to the hot water chamber and the return chamber, no water will flow out at the hot water outlet and the return water outlet in this state.
  • the splitting chamber is in communication with the return chamber, it is isolated from the hot water chamber, so that the retained cold water flowing from the water inlet into the second chamber does not flow out from the hot water tap, but flows into the piston tube from the first through hole.
  • the third through hole flows into the third cavity, and then flows into the return cavity through the first through port.
  • the one-way valve Since the one-way valve is arranged at the first port, the water flowing into the return chamber through the first port will not flow backward, but directly return to the cold water inlet pipe through the return water outlet or directly into the storage port.
  • the temperature-sensing actuator When the water flowing in from the water inlet is hot water heated by the hot water supply system, the temperature-sensing actuator gradually undergoes thermal expansion deformation due to the change of the water temperature, and the support of the elastic component, the heat The bulging deformation enables the sealing disc to move to the right against the supporting action of the first elastic member to open the second through hole, and at the same time, the piston cylinder can quickly close the first opening under the action of the first elastic member.
  • the splitting chamber is in communication with the hot water chamber, it is isolated from the return chamber, so the hot water flowing from the water inlet into the second chamber flows from the first through hole into the inner cavity of the piston tube, and then passes through the second The through hole flows into the first cavity and then passes through the second port Flow into the hot water chamber, and finally exit the hot water tap through the hot water outlet.
  • the check valve includes a valve body that is open at both left and right ends, and the left end opening of the valve body is in communication with the first port, and the right end opening and the back are
  • the water outlet is connected, and the valve body is provided with a sealing head and a third elastic member which are closed at the left end and closed at the right end.
  • the width of the closed end of the sealing head is larger than the width of the opening of the left end of the valve body, and the side wall of the sealing head is provided with a plurality of communicating with the open end of the sealing head.
  • the fourth through hole, the third elastic member acts on the open end of the sealing head, so that the sealing head closes the left end opening of the valve body.
  • water flows into the valve body through the left end opening of the valve body, and due to the pressure of the water flow, the head will move to the right against the supporting action of the third elastic member, so that the water can flow in from the left end opening and
  • the fourth through hole flows into the right end of the head, and then flows out through the right end opening of the valve body to the return water outlet. If the water flow reverses during this process, the leftward force of the head is closed to close the left end of the valve body, thus preventing water from flowing back into the third chamber through the left end opening of the valve body.
  • the temperature-sensing actuator is further provided with a temperature sensing portion, a deformation portion connected to the temperature sensing portion, and a ejector connected to the deformation portion from right to left.
  • the ejector sleeve is provided with a guiding cylinder that can pass through the second through hole
  • the deformation portion casing is provided with a casing respectively connected to the temperature sensing portion and the guiding cylinder, and the casing is provided with an annular connecting member, the second elasticity
  • the sleeve is sleeved on the temperature sensing actuator and its two ends respectively act on the annular connecting member and the inner wall of the piston cylinder.
  • the deformation portion when the inner cavity of the cylinder is cold water at normal temperature, the deformation portion is in a zero state, and the ram is in a contracted state with respect to the guide cylinder; and when the inner cavity of the cylinder is hot water, the deformation portion is The thermal expansion deformation occurs under the temperature sensing of the temperature sensing portion, and at this time, the ejector rod moves to the left relative to the guiding cylinder.
  • the sealing disk is opened to open the second through hole, and the piston tube is also moved to the right to close the first opening under the action of the first elastic member.
  • the elastic component and the supporting function of the first elastic member are affected, and further, the left end of the piston cylinder is fixedly connected to the temperature sensing
  • the guide cover is guided by the left end of the actuator, and the guide cover is provided with a plurality of fifth through holes.
  • the water flow in the inner cavity of the cylinder can flow into the hot water chamber through the second through hole and the fifth through hole to supply the hot water.
  • the outer sleeve further comprises a base cylinder which is open at both left and right ends, a left end cover which closes the left end of the closed base cylinder, and a right end cover which closes the right end of the closed base cylinder, and between the left end cover and the base cylinder And a threaded connection between the right end cap and the base cylinder.
  • the elastic component may be disposed in the left end cap, and the return water outlet may be disposed on the right end cap.
  • the left end cover is further provided with a mounting hole penetrating the left and right end faces of the left end cover, and the elastic component comprises a temperature adjusting rod threadedly engaged with the mounting hole.
  • the second elastic member and the pressure sleeve are disposed in the end of the mounting hole, and the inner hole and the pressure sleeve are respectively sleeved on both ends of the second elastic member.
  • the arrangement of the inner hole and the pressure sleeve prevents excessive elastic deformation of the second elastic member during the movement of the temperature sensing actuator.
  • the right end of the pressure sleeve When the invention is in the zero position, under the support of the second elastic member, the right end of the pressure sleeve is in close contact with the left end of the temperature sensing actuator, and the piston tube is closed to the first opening; and when the hot water switch is turned on The temperature-sensing actuator is also rapidly moved to the left with the cylinder, so that the pressure sleeve is quickly pressed against the right end of the temperature-adjusting rod against the pressure of the second elastic member, thereby achieving the closing of the second opening of the cylinder and the The opening of a port; and when the water flowing in from the water inlet is hot water, the temperature-sensing actuator undergoes a thermal expansion deformation so that the plunger disposed in the temperature-sensing actuator extends.
  • the second elastic member at this time is already in the maximum elastic deformation position, in order to deform the thermal expansion of the position sensing actuator, the first elastic member will be gradually compressed, so that the sealing disk opens the second through hole.
  • the original distance between the left end of the temperature sensing actuator and the right end of the temperature control rod determines the number of water temperatures required to open the second through hole. If the distance is far, the higher water temperature is required, that is, the temperature sensing actuator needs to undergo a large deformation to open the second through hole to close the first opening; if the distance is relatively close, the lower water temperature is also A small deformation of the temperature sensing actuator can also open the second through hole and out of the hot water.
  • the temperature of the hot water outlet water can be adjusted.
  • a plurality of the inventions connected to the same hot water supply system can adjust the outlet water temperature according to the needs of the customer.
  • the piston tube is provided with a sealing ring at the end surface of the first opening and the end of the second opening.
  • the cylinder wall of the outer sleeve is further provided with a cold water outlet communicating with the return chamber.
  • the cold water outlet is connected with a cold water tap
  • the hot water outlet is connected with a hot water tap, so that simultaneous supply of hot and cold water can be realized.
  • the present invention has the following beneficial effects:
  • the gap between the piston cylinder and the outer sleeve is arranged in the invention, so that the water flow can be quickly flowed from the water inlet into the first cavity and the hot water chamber under the pressure difference.
  • the cylinder can be prevented from being misjudged under such circumstances and the shunting operation can be started unexpectedly, which improves the accuracy of the operation of the present invention.
  • the one-way valve is arranged at the first port, the water flowing into the return chamber through the first port will not flow backward, but directly returns to the cold water inlet pipe through the return port, so The shunting efficiency of the present invention can be increased to further accelerate the time of hot water supply.
  • the first elastic member By the arrangement of the first elastic member, not only the temperature sensing actuator can be supported, but also the sealing disk closes the second through hole, and the connecting action between the temperature sensing actuator and the piston tube can be realized, so that the piston tube can be in the outer sleeve. Slide inside the tube.
  • the first elastic member can also absorb the pressure therefrom, thereby improving the reliability of the operation of the present invention.
  • the original distance between the left end of the temperature sensing actuator and the right end of the temperature adjusting rod can be changed, thereby changing the temperature sensing actuation required to open the second through hole and close the first through hole.
  • the degree of deformation of the device is such that a plurality of the inventions connected to the same hot water supply system can adjust the outlet water temperature according to customer needs.
  • FIG. 1 is a schematic structural view of a specific embodiment of a hot and cold water diverter valve according to the present invention in a zero position state;
  • FIG. 2 is a schematic structural view of a hot water and hot water diverter valve according to a specific embodiment of the present invention when the hot water tap is turned on;
  • FIG. 3 is a schematic structural view of a specific embodiment of a hot and cold water diverter valve according to the present invention when hot water flows in;
  • FIG. 4 is a schematic structural view of a specific embodiment of a temperature sensing actuator in a hot and cold water diverter valve according to the present invention
  • Figure 5 is a schematic structural view of a specific embodiment of a one-way valve in a hot and cold water diverter valve according to the present invention
  • FIG. 6 is a schematic structural view of a specific embodiment of an elastic component in a hot and cold water diverter valve according to the present invention.
  • the hot and cold water diverting valve comprises an outer sleeve 1 which is closed and hollow at both ends, and the outer sleeve 1 is provided with a diverting chamber 11 and a recirculation chamber respectively located at two sides of the diverting chamber 11 12 and the hot water chamber 13, the return chamber 12 communicates with the split chamber 11 through the first port 14, and the hot water chamber 13 communicates with the split chamber 11 through the second port 15, and the first port 14 is provided in the return chamber 12.
  • the communicating check valve 4 is provided with a hollow cylinder 2 disposed therein. A gap exists between the outer wall of the cylinder 2 and the inner wall of the outer sleeve 1.
  • the outer wall of the cylinder 2 is provided with an annular groove 25
  • the wall of the outer sleeve 1 is provided with a water inlet 16 , a hot water outlet 17 communicating with the hot water chamber 13 , and a return water outlet 18 communicating with the return chamber 12
  • the cylinder wall of the cylinder 2 is opened and inserted
  • the nozzle 16 communicates with the first through hole 21 at the annular groove 25, the second through hole 22 communicating with the hot water chamber 13, and the third through hole 23 communicating with the return chamber 12
  • the piston barrel 2 is provided with
  • the temperature sensing actuator 3 and the first elastic member 24 are provided with a sealing disk 37, and the first elastic member 24 acts on the temperature sensing actuator 3 so that the left end of the temperature sensing actuator 3 passes through
  • the second through hole 22 and the sealing disk 37 close the second through hole 22.
  • the inner wall of the outer sleeve 1 is provided with an elastic component 5, and the elastic component 5 acts on the left end of the temperature sensing actuator 3 so that the piston barrel 2 closes the
  • the splitting chamber 11 can be further divided into three relatively independent chambers by the arrangement of the annular groove 25 of the cylinder, respectively being the first chamber directly communicating with the hot water chamber 13, directly in the cylinder 2 a second chamber in communication with the chamber and a third chamber in direct communication with the return chamber 12.
  • the arrangement is such that the flow of water flowing in from the water inlet 16 is prevented from being largely lost in the first chamber or the third chamber from both sides of the second chamber, and the water flow can be facilitated to pass through the first passage in the second chamber in a large amount and quickly.
  • the hole 21 enters the inner cavity of the piston barrel 2, thereby accelerating the temperature-sensing transmission of the temperature sensing actuator 3.
  • the water inlet 16 is in communication with the hot water outlet pipe of the hot water supply system, and the return water outlet 18 can be connected to the cold water inlet pipe of the hot water supply system or to the water storage tank, and the hot water outlet 17 is The hot water faucet is connected.
  • the hot water tap causes natural water leakage due to aging or is considered to cause water leakage, although the hot water chamber 13 and the remaining cold water in the first chamber will flow out of the hot water tap, the gap between the piston tube 2 and the outer sleeve 1 can be set. The water flow rapidly flows from the water inlet 16 into the first chamber and the hot water chamber 13 under the pressure difference to maintain a new pressure balance in the structure, thereby avoiding the accidental start of the cylinder 2 in this case. Diverted work.
  • the pipeline and the outer sleeve 1 are filled with normal temperature cold water, and thus the temperature sensing actuator 3 is in the original cold contraction state.
  • the right end of the piston barrel 2 closes the first opening 14; at the first elastic member 24, the temperature sensing actuator 3
  • the sealing disk 37 closes the second through hole 22 by the support of the right end. Since the splitting chamber 11 is not connected to the hot water chamber 13 and the return chamber 12 Therefore, in this state, no water flows out at the hot water outlet 17 and the return water outlet 18.
  • the remaining cold water in the hot water chamber 13 and the first chamber flows out rapidly, thereby causing a pressure difference to cause the piston barrel 2 to rapidly move to the left.
  • the left end of the cylinder 2 quickly closes the second port 15, while the right end thereof quickly opens the first port 14. Since the splitting chamber 11 communicates with the return chamber 12, it is isolated from the hot water chamber 13, so that the cold water flowing from the water inlet 16 into the second chamber does not flow out from the hot water tap but through the first through hole. 21 flows into the inner cavity of the piston barrel 2, flows into the third chamber through the third through hole 23, and flows into the return chamber 12 through the first through port 14.
  • the one-way valve 4 is provided at the first port 14, the water flowing into the return chamber 12 through the first port 14 will not flow backward, but will be directly returned to the cold water inlet pipe through the return water outlet 18. Or directly into the storage tank.
  • the temperature sensing actuator 3 gradually undergoes thermal expansion deformation due to the change in the water temperature.
  • the supporting action of the elastic component 5, the thermal expansion deformation enables the sealing disk to move to the right against the supporting action of the first elastic member 24 to open the second through hole 22, and at the same time, under the driving action of the first elastic member 24, the piston barrel 2
  • the first port 14 can also be quickly closed.
  • the splitting chamber 11 communicates with the hot water chamber 13, it is isolated from the return chamber 12, so the hot water flowing into the second chamber from the water inlet 16 flows into the inner chamber of the piston barrel 2 through the first through hole 21. Then, the second through hole 22 flows into the first cavity, then flows into the hot water chamber 13 through the second port 15, and finally flows out of the hot water tap through the hot water outlet 17.
  • the check valve 4 includes a valve body 41 that is open at both left and right ends, and the left end opening of the valve body 41 is connected to the first port 14 And a right end opening thereof communicates with the return water outlet 18, and the valve body 41 is provided with a head 42 closing the right end opening and a third elastic member 44.
  • the width of the closed end of the head 42 is greater than the width of the left end opening of the valve body 41.
  • the side wall of the head 42 is provided with a plurality of fourth through holes 43 communicating with the open end of the head 42.
  • the third elastic member 44 acts on the open end of the head 42 such that the head 42 closes the left end of the valve body 41. Opening.
  • the embodiment is further defined on the basis of any one of the embodiments 1-2: the left end cover 6 is provided with a mounting hole 61 extending through the left and right end faces of the left end cover 6, and the elastic component 5 is included and installed.
  • the temperature adjusting rod 51, the second elastic member 52 and the pressing sleeve 53 are screwed into the hole 61.
  • the temperature adjusting rod 51 is disposed in the end of the mounting hole 61 and is provided with an inner hole 54.
  • the inner hole 54 and the pressing sleeve 53 are respectively sleeved on the hole Both ends of the second elastic member 52.
  • the left end cover 6 in order to improve the stability of the interaction between the elastic component 5 and the temperature sensing actuator 3, should be provided with a sufficient thickness to ensure that the inner hole 54, the second elastic member 52 and the pressing sleeve 53 are both installed. Hole 61.
  • the diameter of the mounting hole 61 is such that the left end of the temperature sensing actuator 3 can be placed in the mounting hole 61.
  • the arrangement of the inner hole 54 and the pressing sleeve 53 prevents the second elastic member 52 from being felt. Excessive elastic deformation occurs in the movement of the temperature actuator 3.
  • the embodiment is in the zero position, under the support of the second elastic member 52, the right end of the pressure sleeve 53 is in close contact with the left end of the temperature sensing actuator 3, and the piston tube 2 closes the first opening 14;
  • the temperature sensing actuator 3 is also rapidly moved to the left with the cylinder 2, so that the pressure sleeve 53 is quickly pressed against the right end of the temperature adjusting rod 51 against the pressure of the second elastic member 52, thereby realizing the piston.
  • the cylinder 2 closes the second opening 15 and opens the first opening 14; and when the water flowing in from the water inlet 16 is hot water, the temperature sensing actuator 3 undergoes thermal expansion and deformation.
  • the ram 33 in the temperature actuator extends to continue against the sleeve 53. Since the second elastic member 52 at this time has been in the maximum elastic deformation position, in order to let the thermal expansion deformation of the position sensing actuator 3, the first elastic member 24 will be gradually compressed, so that the sealing disk 37 opens the second through hole. twenty two.
  • the original distance between the left end of the temperature sensing actuator 3 and the right end of the temperature regulating rod 51 determines the number of water temperatures required to open the second through hole 22.
  • the temperature sensing actuator 3 needs to undergo a large deformation to open the second through hole 22 to close the first port 14; if the distance is relatively low, the lower one is lower.
  • the water temperature that is, the small deformation of the temperature sensing actuator 3, can also open the second through hole 22 to discharge hot water.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

一种冷热水分流阀，包括外套筒（1），外套筒（1）内设有分流腔（11）、回流腔（12）和热水腔（13），回流腔（12）通过第一通口（14）与分流腔（11）连通，热水腔（13）通过第二通口（15）与分流腔（11）连通，回流腔（12）内设有单向阀（4），分流腔（11）内设有活塞筒（2），活塞筒（2）的外壁与外套筒（1）的内壁之间存在一定间隙，活塞筒（2）的筒壁上开设有第一通孔（21）、第二通孔（22）以及第三通孔（23）；活塞筒（2）内设置有感温促动器（3）和第一弹性件（24），感温促动器（3）上设有密封盘（37），外套筒（1）内壁上设置有弹性组件（5）。该阀可通过活塞筒与外套筒间的滑动配合以实现精确的冷热水分流，同时还可根据需求调节热水的出水温度，判断精确，回流效率高、运行稳定、使用寿命长。

Description

冷热水分流阀 技术领域
本发明涉及供暖阀门技术领域，尤其是涉及冷热水分流阀。
背景技术
现代生活中，由于热水供应系统的供水管通常具有一定长度，因而在热水使用时，每次都需排放一定量的存留冷水才能供应出热水，尤其当用水点距离热水供应点较远时，此问题显得特别突出。长此以往，既造成了水资源的大量浪费，同时也增加了用户的额外开支。
目前，已存在部分可以解决上述问题的技术，例如我国专利号201420249760.1所公开的调温冷热水分流阀，其虽能解决冷水回流的问题，但其存在如下问题：当热水龙头因老化导致自然漏水或是认为造成漏水时，活塞极易出现误判而开始工作状态，如此则会浪费热水资源；冷水在回流中极易倒流于活塞内，如此使得分流效率较差而导致热水供应缓慢。
发明内容
本发明的目的是克服现有技术的上述缺陷，提供一种冷热水分流阀，可通过活塞筒与外套筒间的滑动配合以实现精确的冷热水分流，同时还可根据需求调节热水的出水温度，具有判断精确、回流效率高、运行稳定、使用寿命长的优点。
本发明的目的主要通过以下技术方案实现：冷热水分流阀，包括两端均封闭且中空设置的外套筒，外套筒内设有分流腔以及分别位于分流 腔两侧的回流腔和热水腔，回流腔通过第一通口与分流腔连通，热水腔通过第二通口与分流腔连通，回流腔内设有与第一通口连通的单向阀，分流腔内设有中空设置的活塞筒，活塞筒的外壁与外套筒的内壁之间存在一定间隙，活塞筒的外壁上设有环形凹槽，外套筒的筒壁上开设有进水口、与热水腔连通的热水出口以及与回流腔连通的回水出口，活塞筒的筒壁上开设有与进水口连通且位于环形凹槽处的第一通孔、与热水腔连通的第二通孔以及与回流腔连通的第三通孔；活塞筒内设置有感温促动器和第一弹性件，感温促动器上设有密封盘，第一弹性件作用于感温促动器使得感温促动器的左端穿过第二通孔且密封盘封闭第二通孔，外套筒内壁上设置有弹性组件，弹性组件作用于感温促动器的左端使得活塞筒封闭第一通口。
本发明中，通过活塞筒环形凹槽的设置可将分流腔再进一步分割成三个相对独立的腔室，分别为直接与热水腔连通的第一腔，直接与活塞筒内腔连通的第二腔及直接与回流腔连通的第三腔。如此设置，可阻挡从进水口流进的水流从第二腔的两侧大量流失于第一腔或者第三腔中，且可便于水流能大量且快速地于第二腔中通过第一通孔进入活塞筒内腔里，从而加速感温促动器的感温传动作用。本发明应用时，进水口与热水供应系统的热水出水管道连通，回水出口可与热水供应系统的冷水进水管道连通也可与储水箱连通，而热水出口则与热水龙头连通。当热水龙头因老化导致自然漏水或是认为造成漏水时，虽然热水腔与第一腔中的存留冷水会流出热水龙头，但通过活塞筒与外套筒间的间隙设置，可使水流在压力差的带动下迅速从进水口流进第一腔与热水腔中以维持本 结构内新的压力平衡，从而可避免活塞筒在此种情形下发生误判而意外启动分流工作。
本发明零位状态也即未工作状态时，各管道及外套筒内存留的是常温冷水，因而感温促动器处于原始的冷缩状态。此时，在弹性组件对感温促动器左端的支撑作用下，活塞筒右端封闭第一通口；在第一弹性件对感温促动器右端的支撑作用下，密封盘则封闭第二通孔。由于分流腔与热水腔和回流腔均未连通，因而在此种状态下，热水出口和回水出口处均不会有水流出。当开启热水龙头时，位于热水腔以及第一腔中的存留冷水则迅速流出，由此引起压力差使得活塞筒迅速地向左移动。弹性组件的让位作用下，活塞筒的左端则迅速封闭第二通口，同时其的右端则迅速开启第一通口。由于分流腔与回流腔相连通，其与热水腔相隔离，因此从进水口流进于第二腔的存留冷水则不会从热水龙头处流出，而是从第一通孔流进活塞筒的内腔里，再通过第三通孔流进第三腔，再通过第一通口流进回流腔。由于在第一通口处设置有单向阀，因而经第一通口流进回流腔的水流将不会发生倒流，而是直接经回水出口回流至冷水进水管道里或是直接流入储水箱内。当从进水口流进的水流为经热水供应系统加热后的热水时，感温促动器则因感受到水温的变化而逐步发生热胀形变，加上弹性组件的支撑作用，此热胀形变使得密封盘能克服第一弹性件的支撑作用向右移动而开启第二通孔，同时在第一弹性件的带动作用下，活塞筒亦能迅速封闭第一通口。此时，由于分流腔与热水腔相连通，其与回流腔相隔离，因此从进水口流进第二腔的热水则从第一通孔流进活塞筒内腔里，再通过第二通孔流进第一腔，再通过第二通口 流进热水腔，最后经热水出口流出热水龙头。
为实现单向阀防止水流倒流的作用，进一步地，所述单向阀包括左右端均开口的阀体，阀体的左端开口与所述第一通口连通，其的右端开口与所述回水出口连通，阀体内设有左端封闭右端开口的封头和第三弹性件，封头封闭端的宽度大于阀体左端开口的宽度，封头的侧壁上设有多个与封头开口端连通的第四通孔，第三弹性件作用于封头的开口端，使得封头封闭阀体的左端开口。本发明工作时，水流经阀体的左端开口进入阀体内，由于受到水流的压力作用，封头则会克服第三弹性件的支撑作用而向右移动，如此则可从此左端开口处流进并经第四通孔流进封头的右端，再经阀体的右端开口流出回水出口。若在此过程中，水流发生倒流，则会给封头一向左的作用力使其封闭阀体的左端开口，如此则可防止水流经阀体的左端开口倒流进第三腔内。
为实现感温促动器的感温传动作用，进一步地，所述感温促动器从右至左依次设置有感温部、与感温部相连的形变部及与形变部相连的顶杆，顶杆外套设有可穿过所述第二通孔的导向筒，形变部外套设有分别与感温部和导向筒相连的壳体，壳体外设有环形连接件，所述第二弹性件套设于感温促动器上且其两端分别作用于环形连接件和所述活塞筒的内壁。本发明中，当活塞筒内腔内为常温冷水时，形变部则为零位状态，此时顶杆相对导向筒处于收缩状态；而当活塞筒内腔内为热水时，形变部则在感温部的感温传动作用下发生热胀形变，此时使得顶杆相对导向筒发生向左的伸长移动。应用时，由于弹性组件的让位距离一定，因而当顶杆发生相对左移时，导向筒、壳体以及感温部则发生相对右移，从 而使得密封盘开启第二通孔，同时在第一弹性件的带动作用下，活塞筒亦右移封闭第一通口。
为避免感温促动器在热胀冷缩中发生位置偏移而影响弹性组件和第一弹性件对其的支撑作用，进一步地，所述活塞筒的左端固连有可为所述感温促动器左端导向的导向盖，导向盖上设有多个第五通孔。本发明中，活塞筒内腔的水流可经第二通孔以及第五通孔流进热水腔以实现热水的供应。
为便于活塞筒的装卸，进一步地，所述外套筒包括左右两端均开口的基筒、封闭基筒左端开口的左端盖以及封闭基筒右端开口的右端盖，左端盖与基筒之间以及右端盖与基筒之间均为螺纹连接。本发明中，弹性组件可设置于左端盖内，而回水出口可设置于右端盖上。
为实现弹性组件对活塞筒的支撑作用以及对出水的调温作用，进一步地，所述左端盖设有贯穿左端盖左右端面的安装孔，所述弹性组件包括与安装孔螺纹配合的调温杆、第二弹性件及压套，调温杆置于安装孔的端头内设置有内孔，内孔和压套分别套设于第二弹性件的两端。本发明中，内孔与压套的设置，可防止第二弹性件在感温促动器的移动中发生过度弹性形变。本发明处于零位状态时，在第二弹性件的支撑作用下，压套的右端紧密接触于感温促动器的左端，且使活塞筒封闭第一通口；而当开启热水开关时，感温促动器亦随活塞筒而迅速左移，使得压套克服第二弹性件的压力而迅速压紧于调温杆的右端，从而实现活塞筒对第二通口的封闭以及对第一通口的开启；而当从进水口流进的水流为热水时，感温促动器则发生热胀形变使设置于感温促动器内的顶杆伸出继续 顶住压套。由于此时的第二弹性件已处于最大的弹性形变位置，为让位感温促动器的热胀形变，第一弹性件将逐步被压缩，使得密封盘开启第二通孔。如此，可知感温促动器左端与调温杆右端间的原始距离决定了开启第二通孔所需的水温度数。若该距离较远，则需较高的水温也即感温促动器需发生较大的形变才能开启第二通孔封闭第一通口；若该距离较近，则较低的水温也即感温促动器发生较小的形变亦能开启第二通孔而流出热水。如此，通过调节调温杆相对左端盖的位置，则可调节热水出口出水的温度。这样，便可使得接通于同一热水供应系统的多个本发明可根据客户的需求而调节出水温度。
为提高本发明运行的稳定性，进一步地，所述活塞筒封闭所述第一通口以及封闭所述第二通口的端面处均设有密封圈。
为实现本发明与冷热两用龙头的连接，进一步地，所述外套筒的筒壁上还设有与回流腔连通的冷水出口。本发明中，冷水出口连接有冷水龙头，热水出口连接有热水龙头，如此可实现冷热水的同时供应。
与现有技术相比，本发明具有以下有益效果：
1、当热水出口发生漏水情形时，本发明中通过活塞筒与外套筒间的间隙设置，可使水流在压力差的带动下能迅速从进水口流进第一腔与热水腔中以维持本结构内新的压力平衡，从而可避免活塞筒在此种情形下发生误判而意外启动分流工作，提高了本发明运行的准确性。
2、由于在第一通口处设置有单向阀，因而经第一通口流进回流腔的水流将不会发生倒流，而是直接经回水出口回流至冷水进水管道里，如此则可提高本发明的分流效率从而进一步加快热水供应的时间。
3、通过第一弹性件的设置，不仅可支撑感温促动器使得密封盘封闭第二通孔，亦可实现感温促动器与活塞筒间的连动作用使得活塞筒能于外套筒内进行滑动。另外，当感温促动器因水温过高而发生过度形变时，第一弹性件还可吸收由此而来的压力，由此可提高本发明运行的可靠性。
4、通过调温杆与左端盖间的配合，可改变感温促动器左端与调温杆右端间的原始距离，从而可改变开启第二通孔封闭第一通孔所需感温促动器的形变程度，如此，使得接通于同一热水供应系统的多个本发明可根据客户需求而调节出水温度。
附图说明
图1为本发明所述的冷热水分流阀一个具体实施例零位状态时的结构示意图；
图2为本发明所述的冷热水分流阀一个具体实施例于开启热水龙头时的结构示意图；
图3为本发明所述的冷热水分流阀一个具体实施例于热水流进时的结构示意图；
图4为本发明所述的冷热水分流阀中感温促动器一个具体实施例的结构示意图；
图5为本发明所述的冷热水分流阀中单向阀一个具体实施例的结构示意图；
图6为本发明所述的冷热水分流阀中弹性组件一个具体实施例的结构示意图；
附图中附图标记所对应的名称为：1、外套筒，11、分流腔，12、回 流腔，13、热水腔，14、第一通口，15、第二通口，16、进水口，17、热水出口，18、回水出口，2、活塞筒，21、第一通孔，22、第二通孔，23、第三通孔，24、第一弹性件，25、环形凹槽，26、导向盖，27、第五通孔，3、感温促动器，31、感温部，32、形变部，33、顶杆，34、导向筒，35、壳体，36、环形连接件，37、密封盘，4、单向阀，41、阀体，42、封头，43、第四通孔，44、第三弹性件，5、弹性组件，51、调温杆，52、第二弹性件，53、压套，54、内孔，6、左端盖，61、安装孔，7、右端盖。
具体实施方式
下面结合实施例及附图对本发明做进一步的详细说明，但本发明的实施方式不限于此。
实施例1
如图1至图6所示，冷热水分流阀，包括两端均封闭且中空设置的外套筒1，外套筒1内设有分流腔11以及分别位于分流腔11两侧的回流腔12和热水腔13，回流腔12通过第一通口14与分流腔11连通，热水腔13通过第二通口15与分流腔11连通，回流腔12内设有与第一通口14连通的单向阀4，分流腔11内设有中空设置的活塞筒2，活塞筒2的外壁与外套筒1的内壁之间存在一定间隙，活塞筒2的外壁上设有环形凹槽25，，外套筒1的筒壁上开设有进水口16、与热水腔13连通的热水出口17以及与回流腔12连通的回水出口18，活塞筒2的筒壁上开设有与进水口16连通且位于环形凹槽25处的第一通孔21、与热水腔13连通的第二通孔22以及与回流腔12连通的第三通孔23；活塞筒2内设置有 感温促动器3和第一弹性件24，感温促动器3上设有密封盘37，第一弹性件24作用于感温促动器3使得感温促动器3的左端穿过第二通孔22且密封盘37封闭第二通孔22，外套筒1内壁上设置有弹性组件5，弹性组件5作用于感温促动器3的左端使得活塞筒2封闭第一通口14。
本发明中，通过活塞筒环形凹槽25的设置可将分流腔11再进一步分割成三个相对独立的腔室，分别为直接与热水腔13连通的第一腔，直接与活塞筒2内腔连通的第二腔及直接与回流腔12连通的第三腔。如此设置，可阻挡从进水口16流进的水流从第二腔的两侧大量流失于第一腔或者第三腔中，且可便于水流能大量且快速地于第二腔中通过第一通孔21进入活塞筒2内腔里，从而加速感温促动器3的感温传动作用。本发明应用时，进水口16与热水供应系统的热水出水管道连通，回水出口18可与热水供应系统的冷水进水管道连通也可与储水箱连通，而热水出口17则与热水龙头连通。当热水龙头因老化导致自然漏水或是认为造成漏水时，虽然热水腔13与第一腔中的存留冷水会流出热水龙头，但通过活塞筒2与外套筒1间的间隙设置，可使水流在压力差的带动下迅速从进水口16流进第一腔与热水腔13中以维持本结构内新的压力平衡，从而可避免活塞筒2在此种情形下发生误判而意外启动分流工作。
本发明零位状态也即未工作状态时，各管道及外套筒1内存留的是常温冷水，因而感温促动器3处于原始的冷缩状态。此时，如图1所示，在弹性组件5对感温促动器3左端的支撑作用下，活塞筒2右端封闭第一通口14；在第一弹性件24对感温促动器3右端的支撑作用下，密封盘37则封闭第二通孔22。由于分流腔11与热水腔13和回流腔12均未连 通，因而在此种状态下，热水出口17和回水出口18处均不会有水流出。当开启热水龙头时，如图2所示，位于热水腔13以及第一腔中的存留冷水则迅速流出，由此引起压力差使得活塞筒2迅速地向左移动。在弹性组件5的让位作用下，活塞筒2的左端则迅速封闭第二通口15，同时其的右端则迅速开启第一通口14。由于分流腔11与回流腔12相连通，其与热水腔13相隔离，因此从进水口16流进于第二腔的存留冷水则不会从热水龙头处流出，而是通过第一通孔21流进活塞筒2的内腔里，再通过第三通孔23流进第三腔，再通过第一通口14流进回流腔12。由于在第一通口14处设置有单向阀4，因而经第一通口14流进回流腔12的水流将不会发生倒流，而是直接经回水出口18回流至冷水进水管道里或是直接流入储水箱内。当从进水口16流进的水流为经热水供应系统加热后的热水时，如图3所示，感温促动器3则因感受到水温的变化而逐步发生热胀形变，加上弹性组件5的支撑作用，此热胀形变使得密封盘能克服第一弹性件24的支撑作用向右移动而开启第二通孔22，同时在第一弹性件24的带动作用下，活塞筒2亦能迅速封闭第一通口14。此时，由于分流腔11与热水腔13相连通，其与回流腔12相隔离，因此从进水口16流进第二腔的热水则通过第一通孔21流进活塞筒2内腔里，再通过第二通孔22流进第一腔，再通过第二通口15流进热水腔13，最后经热水出口17流出热水龙头。
实施例2
本实施例在实施例1的基础上作出了如下进一步限定：所述单向阀4包括左右端均开口的阀体41，阀体41的左端开口与所述第一通口14连 通，其的右端开口与所述回水出口18连通，阀体41内设有左端封闭右端开口的封头42和第三弹性件44，封头42封闭端的宽度大于阀体41左端开口的宽度，封头42的侧壁上设有多个与封头42开口端连通的第四通孔43，第三弹性件44作用于封头42的开口端，使得封头42封闭阀体41的左端开口。本实施例应用时，如图5所示，水流经阀体41的左端开口进入阀体41内，由于受到水流的压力作用，封头42则会克服第三弹性件44的支撑作用而向右移动，如此则可从此左端开口处流进并经第四通孔43流进封头42的右端，再经阀体41的右端开口流出回水出口18。若在此过程中，水流发生倒流，则会给封头42一向左的作用力使其封闭阀体41的左端开口，如此则可防止水流经阀体41的左端开口倒流进第三腔内。
实施例3
本实施例在实施例1～2中任意一项实施例的基础上作出了如下进一步限定：所述左端盖6设有贯穿左端盖6左右端面的安装孔61，所述弹性组件5包括与安装孔61螺纹配合的调温杆51、第二弹性件52及压套53，调温杆51置于安装孔61的端头内设置有内孔54，内孔54和压套53分别套设于第二弹性件52的两端。本实施例中，为提高弹性组件5与感温促动器3间作用的稳定性，左端盖6应设置有足够的厚度以保证内孔54、第二弹性件52以及压套53均位于安装孔61。另外，为实现第二弹性件52对感温促动器3的支撑作用，安装孔61的直径大小应保证感温促动器3的左端能置入安装孔61内。
本实施例中，内孔54与压套53的设置，可防止第二弹性件52在感 温促动器3的移动中发生过度弹性形变。本实施例处于零位状态时，在第二弹性件52的支撑作用下，压套53的右端紧密接触于感温促动器3的左端，且使活塞筒2封闭第一通口14；而当开启热水开关时，感温促动器3亦随活塞筒2而迅速左移，使得压套53克服第二弹性件52的压力而迅速压紧于调温杆51的右端，从而实现活塞筒2对第二通口15的封闭以及对第一通口14的开启；而当从进水口16流进的水流为热水时，感温促动器3则发生热胀形变使设置于感温促动器内的顶杆33伸出继续顶住压套53。由于此时的第二弹性件52已处于最大的弹性形变位置，为让位感温促动器3的热胀形变，第一弹性件24将逐步被压缩，使得密封盘37开启第二通孔22。如此，可知感温促动器3左端与调温杆51右端间的原始距离决定了开启第二通孔22所需的水温度数。若该距离较远，则需较高的水温也即感温促动器3需发生较大的形变才能开启第二通孔22封闭第一通口14；若该距离较近，则较低的水温也即感温促动器3发生较小的形变亦能开启第二通孔22而流出热水。如此，通过调节调温杆相对左端盖的位置，则可调节热水出口出水的温度。这样，便可使得接通于同一热水供应系统的多个本发明可根据客户的需求而调节出水温度。
以上内容是结合具体的优选实施方式对本发明作的进一步详细说明，不能认定本发明的具体实施方式只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明的技术方案下得出的其他实施方式，均应包含在本发明的保护范围内。

Claims (8)

  1. 冷热水分流阀，其特征在于：包括两端均封闭且中空设置的外套筒(1)，外套筒(1)内设有分流腔(11)以及分别位于分流腔(11)两侧的回流腔(12)和热水腔(13)，回流腔(12)通过第一通口(14)与分流腔(11)连通，热水腔(13)通过第二通口(15)与分流腔(11)连通，回流腔(12)内设有与第一通口(14)连通的单向阀(4)，分流腔(11)内设有中空设置的活塞筒(2)，活塞筒(2)的外壁与外套筒(1)的内壁之间存在一定间隙，活塞筒(2)的外壁上设有环形凹槽(25)，外套筒(1)的筒壁上开设有进水口(16)、与热水腔(13)连通的热水出口(17)以及与回流腔(12)连通的回水出口(18)，活塞筒(2)的筒壁上开设有与进水口(16)连通且位于环形凹槽(25)处的第一通孔(21)、与热水腔(13)连通的第二通孔(22)以及与回流腔(12)连通的第三通孔(23)；活塞筒(2)内设置有感温促动器(3)和第一弹性件(24)，感温促动器(3)上设有密封盘(37)，第一弹性件(24)作用于感温促动器(3)使得感温促动器(3)的左端穿过第二通孔(22)且密封盘(37)封闭第二通孔(22)，外套筒(1)内壁上设置有弹性组件(5)，弹性组件(5)作用于感温促动器(3)的左端使得活塞筒(2)封闭第一通口(14)。
  2. 根据权利要求1所述的冷热水分流阀，其特征在于：所述单向阀(4)包括左右端均开口的阀体(41)，阀体(41)的左端开口与所述第一通口(14)连通，其的右端开口与所述回水出口(18)连通，阀体(41)内设有左端封闭右端开口的封头(42)和第三弹性件(44)，封头(42)封闭端的宽度大于阀体(41)左端开口的宽度，封头(42)的侧壁上设有 多个与封头(42)开口端连通的第四通孔(43)，第三弹性件(44)作用于封头(42)的开口端，使得封头(42)封闭阀体(41)的左端开口。
  3. 根据权利要求1所述的冷热水分流阀，其特征在于：所述感温促动器(3)从右至左依次设置有感温部(31)、与感温部相连的形变部(32)及与形变部(32)相连的顶杆(33)，顶杆(33)外套设有可穿过所述第二通孔(22)的导向筒(34)，形变部(32)外套设有分别与感温部(31)和导向筒(34)相连的壳体(35)，壳体(35)外设有环形连接件(36)，所述第一弹性件(24)套设于感温促动器(3)上且其两端分别作用于环形连接件(36)和所述活塞筒(2)的内壁。
  4. 根据权利要求1所述的冷热水分流阀，其特征在于：所述活塞筒(2)的左端固连有可为所述感温促动器(3)左端导向的导向盖(26)，导向盖(26)上设有多个第五通孔(27)。
  5. 根据权利要求1-4中任意一项所述的冷热水分流阀，其特征在于：所述外套筒(1)包括左右两端均开口的基筒、封闭基筒左端开口的左端盖(6)以及封闭基筒右端开口的右端盖(7)，左端盖(6)与基筒之间以及右端盖(7)与基筒之间均为螺纹连接。
  6. 根据权利要求5所述的冷热水分流阀，其特征在于：所述左端盖(6)设有贯穿左端盖(6)左右端面的安装孔(61)，所述弹性组件(5)包括与安装孔(61)螺纹配合的调温杆(51)、第二弹性件(52)及压套(53)，调温杆(51)置于安装孔(61)的端头内设置有内孔(54)，内孔(54)和压套(53)分别套设于第二弹性件(52)的两端。
  7. 根据权利要求5所述的冷热水分流阀，其特征在于：所述活塞筒(2) 封闭所述第一通口(14)以及封闭所述第二通口(15)的端面处均设有密封圈。
  8. 根据权利要求5所述的冷热水分流阀，其特征在于：所述外套筒(1)的筒壁上还设有与回流腔(12)连通的冷水出口。
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