Integrated waterway valve group

Abstract

The application discloses an integrated waterway valve group, which comprises a water inlet valve, a water outlet valve and a water supplement valve, wherein the water outlet valve is connected with the water supplement valve; the water inlet valve comprises a first shell and a three-way valve; the first shell comprises a first valve cavity, a domestic water inlet, a cold water plate exchange inlet, a hot water plate exchange inlet, a water pump interface and a warm water inlet; the three-way valve is inserted into the first valve cavity; the domestic water inlet is communicated with the cold water plate exchange inlet; the hot water plate exchange outlet is communicated with or blocked from the water pump interface through the three-way valve; the water pump interface is communicated with or blocked from the warm water inlet through the three-way valve; the water outlet valve comprises a second shell; the second shell comprises a second valve cavity, a hot water inlet and a hot water outlet; the hot water inlet and the hot water outlet are communicated; and the hot water inlet and the hot water outlet are respectively communicated with the second valve cavity. The three-way valve is installed in the water inlet valve, so that the service life of the three-way valve is prevented from being affected by high-temperature hot water.

Description

TECHNICAL FIELD

[0001] The present application relates to the wall-hanging stove technical field, more particularly, to an integrated waterway valve group. BACKGROUND

[0002] The current wall-hanging stove waterway has the following deficiencies:

[0003] The three-way valve is installed in the water outlet valve, the water outlet valve is provided with a hot water inlet and outlet, and the three-way valve is used to switch the flow direction of the hot water. Since the three-way valve is in a high-temperature environment for a long time, its service life is reduced, and the failure rate is high. Therefore, it is necessary to improve it. SUMMARY

[0004] The present application aims to overcome the deficiencies of the prior art and provide an integrated waterway valve group. By installing the three-way valve in the water inlet valve, the service life of the three-way valve is prevented from being affected by high-temperature hot water.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] The present application discloses an integrated waterway valve group, comprising a water inlet valve, a water outlet valve and a water replenishment valve, wherein the water outlet valve is connected with the water replenishment valve.

[0007] The water inlet valve comprises a first shell and a three-way valve, the first shell comprises a first valve cavity, a domestic water inlet, a cold water plate exchange inlet, a hot water plate exchange outlet, a water pump interface and a warm water inlet, the three-way valve is inserted into the first valve cavity, the domestic water inlet is communicated with the cold water plate exchange inlet, the hot water plate exchange outlet is communicated with or blocked by the water pump interface through the three-way valve, and the water pump interface is communicated with or blocked by the warm water inlet through the three-way valve.

[0008] The water outlet valve comprises a second shell, the second shell comprises a second valve cavity, a hot water inlet and a hot water outlet, the hot water inlet and the hot water outlet are communicated, and the hot water inlet and the hot water outlet are respectively communicated with the second valve cavity.

[0009] The water replenishment valve comprises a third shell, the third shell comprises a hot water plate exchange inlet, a warm water plate exchange outlet and a warm water outlet, the hot water inlet is communicated with the hot water plate exchange inlet, the hot water plate exchange inlet is communicated with the hot water plate exchange outlet, the cold water plate exchange inlet is communicated with the warm water plate exchange outlet, and the warm water plate exchange outlet is communicated with the warm water outlet.

[0010] Further, the second shell further comprises a second connecting port communicated with the second valve cavity, and the third shell comprises a fourth connecting port communicated with the hot water plate exchange inlet, and the second connecting port is connected with the fourth connecting port.

[0011] Further, the second valve cavity is in one-way communication with the hot water plate exchange inlet through a one-way valve, and the second connecting port is provided with a first mounting cavity at one end of the second valve cavity, and the one-way valve is arranged in the first mounting cavity.

[0012] Further, the water inlet valve is connected with the water outlet valve, the first shell comprises a first connecting port, the second shell comprises a third connecting port and a first valve port, the first connecting port is in communication with the water pump interface, the first connecting port is connected with the third connecting port and is in communication, the third connecting port is in communication with the first valve port, and the second valve cavity can be in communication with the first valve port.

[0013] Further, a pressure relief valve is arranged in the first valve port, the second valve cavity is in one-way communication with the first valve port through a bypass valve, the third connecting port is provided with a second mounting cavity at one end of the second valve cavity, and the bypass valve is arranged in the second mounting cavity.

[0014] Further, the water outlet valve is located on the side of the water inlet valve, the water replenishing valve is located on the side of the water inlet valve, the three-way valve is arranged on the side of the second shell, the water pump interface is arranged on the upper part of the first shell, the warm water inlet is arranged on the lower part of the first shell, the hot water inlet is arranged on the upper part of the second shell, and the hot water outlet is arranged on the lower part of the second shell.

[0015] Further, the three-way valve comprises a motor, a valve rod, a sliding piece and an inner liner, the motor is connected with the valve rod, the valve rod, the sliding piece and the inner liner are inserted into the first valve cavity, the sliding piece is fixed on the outer side of the valve rod, the inner liner comprises a notch, the inner part of the inner liner is in communication with the warm water inlet through the notch, the motor can drive the valve rod to move, the first valve cavity is provided with a valve cavity inlet, the hot water plate exchange outlet is in communication with the valve cavity inlet, and the sliding piece can abut against the side surface of the valve cavity inlet or the side surface of the inner liner to make the hot water plate exchange outlet and the water pump interface communicate or the water pump interface and the inner part of the inner liner communicate.

[0016] Further, the third shell comprises a water replenishing channel, the water replenishing channel is in communication with the warm water plate exchange outlet, and the water replenishing channel can be in communication or blocked with the hot water plate exchange inlet through a water replenishing switch.

[0017] Further, the third shell comprises a water replenishing cavity, the water replenishing cavity is respectively provided with a communication port and a water replenishing inlet, the communication port is in communication with the hot water plate exchange inlet, and the water replenishing inlet is in communication or blocked with the water replenishing channel through the water replenishing switch.

[0018] Further, one end of the water supplementing cavity is an opening, and a plug cover is fixedly covered on the opening, the third shell comprises a second valve port, the water supplementing switch is installed in the second valve port, the water supplementing switch comprises a knob and a valve sleeve, the valve sleeve is inserted into the second valve port and fixed, the end of the knob is connected with a push rod, the push rod penetrates through the valve sleeve and is in sealing cooperation with the valve sleeve, the end of the push rod is provided with a limiting column, the second sealing gasket is arranged on the outer side of the limiting column, the push rod can move up and down, and the second sealing gasket can abut or be separated from one end of the water supplementing channel, so that the water supplementing inlet is blocked or communicated with the water supplementing channel.

[0019] The beneficial effects of the present application are:

[0020] 1、In the present application, the water flowing through the water inlet valve is warm water, and the water flowing through the water outlet valve is high-temperature water. By installing the three-way valve in the water inlet valve 1, the road switching function is ensured, and the three-way valve is isolated from the high-temperature water, thereby effectively improving the service life of the three-way valve, reducing the failure rate of the three-way valve, and improving the quality of the wall-hanging stove product.

[0021] 2、The water inlet valve, the water outlet valve and the water supplementing valve are installed on the side surface of the plate exchanger, the three-way valve is horizontally arranged, the water pump interface is vertically arranged, and therefore the water pump is installed on the upper portion of the water inlet valve. This design can effectively reduce the overall height of the present application and is beneficial to the design of a small-volume wall-hanging stove. The warm water inlet and the hot water outlet are close to each other and are designed to be side by side with the opening downward, which is beneficial to the connection of the heating circulation pipeline.

[0022] 3、The water supplementing valve is used for supplementing water for the heating circulation hot water. The bathroom hot water entering the fourth connecting port can enter the water supplementing cavity through the communication port. When the water pressure of the heating circulation hot water decreases, the water supplementing switch can be opened to supplement the bathroom hot water into the heating circulation hot water, thereby maintaining the normal operation of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structure schematic view of the present embodiment in a first perspective view;

[0024] Figure 2 It is a structure schematic view of the present embodiment in a second perspective view;

[0025] Figure 3 It is a sectional view of the present embodiment;

[0026] Figure 4 It is a sectional view of the water inlet valve;

[0027] Figure 5 It is a structure schematic view of the first shell;

[0028] Figure 6 It is a sectional view of the first shell;

[0029] Figure 7Front view of outlet valve;

[0030] Figure 8 Sectional view of outlet valve;

[0031] Figure 9 Front view of Figure 8 Enlarged view at A;

[0032] Figure 10 Exploded view of outlet valve;

[0033] Figure 11 Structure schematic view of blowdown valve;

[0034] Figure 12 Exploded view of makeup valve;

[0035] Figure 13 Plan view of makeup valve;

[0036] Figure 14 Sectional view of makeup valve;

[0037] Figure 15 Front view of Figure 14 Enlarged view at B.

[0038] Reference signs: 1, water inlet valve; 2, first shell; 21, first valve cavity; 22, domestic water inlet; 23, cold water plate heat exchanger inlet; 24, hot water plate heat exchanger outlet; 25, water pump interface; 26, warm water inlet; 27, first connecting port; 28, valve cavity inlet; 3, three-way valve; 31, motor; 32, valve rod; 33, sliding piece; 34, inner liner; 35, notch; 4, outlet valve; 41, one-way valve; 42, bypass valve; 43, snap spring; 44, first sealing gasket; 5, second shell; 51, second valve cavity; 52, hot water inlet; 53, hot water outlet; 54, second connecting port; 55, third connecting port; 56, first mounting cavity; 57, second mounting cavity; 58, first insertion hole; 59, first valve port; 6, end cover; 61, mounting groove; 62, valve cavity outlet; 63, first boss; 64, second insertion hole; 7, blowdown valve; 71, blowdown channel; 72, blowdown port; 73, second boss; 74, convex rib; 75, connecting table; 76, convex column; 77, limiting table; 78, handle part; 79, joint; 8, makeup valve; 81, knob; 811, push rod; 812, limiting column; 82, valve sleeve; 83, plug cover; 84, second sealing gasket; 9, third shell; 91, fourth connecting port; 92, warm water plate heat exchanger inlet; 93, warm water plate heat exchanger outlet; 94, warm water outlet; 95, makeup cavity; 96, communication port; 97, makeup inlet; 98, makeup channel; 99, second valve port; 10, pressure relief valve. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.

[0040] As shown in FIG. 1, an integrated waterway valve group comprises a water inlet valve 1, a water outlet valve 4 and a water supplement valve 8. Figures 1 to 15

[0041] As shown in FIG. 2, the water inlet valve 1 comprises a first housing 2 and a three-way valve 3, the first housing 2 comprises a first valve cavity 21, a domestic water inlet 22, a cold water heat exchanger inlet 23, a hot water heat exchanger outlet 24, a water pump interface 25 and a warm water inlet 26. Figures 3 to 6

[0042] The water inlet valve 1 is installed on the side of a heat exchanger (not shown), the cold water heat exchanger inlet 23 and the hot water heat exchanger outlet 24 are respectively connected to the corresponding connection ports of the heat exchanger, and this connection mode is prior art.

[0043] The domestic water inlet 22 is connected to an external normal-temperature water source, the domestic water inlet 22 is in communication with the cold water heat exchanger inlet 23, and external normal-temperature water can flow into the heat exchanger from the cold water heat exchanger inlet 23 after passing through the domestic water inlet 22.

[0044] As shown in FIG. 3 and FIG. 4, the three-way valve 3 is inserted into the first valve cavity 21, the hot water heat exchanger outlet 24 and the water pump interface 25 are in communication or blocked through the three-way valve 3, and the water pump interface 25 and the warm water inlet 26 are in communication or blocked through the three-way valve 3, specifically, the three-way valve 3 comprises a motor 31, a valve rod 32, a sliding piece 33 and an inner lining 34, the motor 31 is connected to the valve rod 32, the valve rod 32, the sliding piece 33 and the inner lining 34 are inserted into the first valve cavity 21, the sliding piece 33 is fixed on the outer side of the valve rod 32, the inner lining 34 comprises a notch 35, the inner lining 34 is in communication with the warm water inlet 26 through the notch 35, the motor 31 can drive the valve rod 32 to move, the first valve cavity 21 is provided with a valve cavity inlet 28, the hot water heat exchanger outlet 24 is in communication with the valve cavity inlet 28, and the sliding piece 33 can abut against the side of the valve cavity inlet 28 or the side of the inner lining 34 to make the hot water heat exchanger outlet 24 and the water pump interface 25 in communication or the water pump interface 25 in communication with the inner part of the inner lining 34, and the structure of the three-way valve 3 is prior art. Figure 3 Figure 4

[0045] ​​​​The water pump interface 25 is used to connect a water pump (not shown in the figure), when the sliding piece 33 abuts against the side of the inner liner 34, the hot water plate heat exchanger outlet 24 and the water pump interface 25 are communicated, in this state, the continuous heating of the bathroom hot water can be realized; when the sliding piece 33 abuts against the valve cavity inlet 28, the warm water inlet 26 and the water pump interface 25 are communicated, in this state, the continuous heating of the floor heating (not shown in the figure) or the zero cold water function of the domestic water can be realized.

[0046] As shown in Figures 7 to 10 , the water outlet valve 4 comprises a second shell 5, the second shell 5 comprises a second valve cavity 51, a hot water inlet 52 and a hot water outlet 53, the hot water inlet 52 and the hot water outlet 53 are communicated, and the hot water inlet 52 and the hot water outlet 53 are communicated with the second valve cavity 51 respectively;

[0047] The inlet of the water pump is connected with the water pump interface 25, the outlet of the water pump is communicated with the inlet of the boiler (not shown in the figure), the outlet of the boiler is communicated with the hot water inlet 52, the hot water outlet 53 is communicated with the inlet of the floor heating (not shown in the figure), and the outlet of the floor heating is communicated with the warm water inlet 26, when the continuous heating of the floor heating is carried out, the boiler-hot water inlet 52-second valve cavity 51-hot water outlet 53-floor heating pipeline-warm water inlet 26-three-way valve 3-water pump interface 25-water pump-boiler floor heating circulation heating water pipeline is formed.

[0048] Among them, the boiler-hot water inlet 52-second valve cavity 51-hot water outlet 53 section water pipeline is a high-temperature water pipeline, the temperature is about ninety degrees Celsius, the warm water inlet 26-three-way valve 3-water pump interface 25-water pump section is a warm water pipeline, the temperature is about forty-five degrees Celsius, the high-temperature water is reduced in temperature after heating through the floor heating pipeline, the water flowing through the water inlet valve 1 is warm water, and the water flowing through the water outlet valve 4 is high-temperature water, by installing the three-way valve 3 in the water inlet valve 1, the service life of the three-way valve 3 can be effectively improved while ensuring the road switching function, so as to reduce the failure rate of the three-way valve 3 and improve the quality of the wall-hanging stove product.

[0049] As shown in Figure 1 , Figures 12 to 15 , the water replenishing valve 8 comprises a third shell 9, the third shell 9 comprises a hot water plate heat exchanger inlet 92, a warm water plate heat exchanger outlet 93 and a warm water outlet 94;

[0050] The hot water plate heat exchanger inlet 92 and the warm water plate heat exchanger outlet 93 are respectively connected with the corresponding connecting ports of the plate heat exchanger, so that the cold water plate heat exchanger inlet 23 and the warm water plate heat exchanger outlet 93 are communicated, and the hot water plate heat exchanger inlet 92 and the hot water plate heat exchanger outlet 24 are communicated, which is the prior art.

[0051] Hot water inlet 52 is connected to hot water plate heat exchanger inlet 92, and warm water plate heat exchanger outlet 93 is connected to bathroom hot water pipe (not shown in the figure). Bathroom hot water pipe is connected to warm water outlet 94, so that warm water plate heat exchanger outlet 93 and warm water outlet 94 are connected, and bathroom fixtures, faucets, etc. can be connected at the bathroom hot water pipe.

[0052] When domestic water is used, ambient temperature water enters through domestic water inlet 22, passing sequentially through cold water plate heat exchanger inlet 23, plate heat exchanger, warm water plate heat exchanger outlet 93, warm water outlet 94, bathroom hot water pipe, and faucet. In this state, hot water plate heat exchanger outlet 24 and water pump interface 25 are connected, and the water pump works continuously to provide continuous hot water for the bathroom. The continuous hot water supply circuit is: boiler - hot water inlet 52 - second valve chamber 51 - hot water plate heat exchanger inlet 92 - plate heat exchanger - hot water plate heat exchanger outlet 24 - water pump interface 25 - water pump - boiler. The hot water supply circuit exchanges heat with the ambient temperature water entering the plate heat exchanger inside the plate heat exchanger to achieve continuous hot water supply for the bathroom.

[0053] like Figure 1 As shown, the outlet valve 4 is located on the side of the inlet valve 1, the makeup water valve 8 is located on the side of the inlet valve 1, the three-way valve 3 is located on the side of the second housing 5, the water pump interface 25 is located on the upper part of the first housing 2, the warm water inlet 26 is located on the lower part of the first housing 2, the hot water inlet 52 is located on the upper part of the second housing 5, and the hot water outlet 53 is located on the lower part of the second housing 5. The inlet valve 1, outlet valve 4, and makeup water valve 8 are all installed on the side of the heat exchanger. The three-way valve 3 is set horizontally. Since the water pump interface 25 is set vertically, the water pump is installed on the upper part of the inlet valve 1. This design can effectively reduce the overall height of the invention, which is beneficial to the design of a small-volume wall-hung boiler. The warm water inlet 26 and the hot water outlet 53 are close to each other and have downward openings, which is beneficial to the connection of the heating circulation pipes.

[0054] like Figure 3 As shown, the outlet valve 4 is connected to the water supply valve 8. Specifically, the second housing 5 also includes a second connection port 54, which communicates with the second valve chamber 51. The third housing 9 includes a fourth connection port 91, which communicates with the hot water plate inlet 92. The fourth connection port 91 is inserted into the outlet end of the second connection port 54. The side wall of the fourth connection port 91 is sealed to the inner wall of the second connection port 54. The second connection port 54 and the fourth connection port 91 are connected by a direct-insertion connection between the outlet valve 4 and the water supply valve 8, which is convenient.

[0055] The second valve chamber 51 is connected to the hot water plate inlet 92 in one direction through a one-way valve 41. The second connection port 54 is located at one end of the second valve chamber 51 and is provided with a first mounting cavity 56. The one-way valve 41 is located in the first mounting cavity 56. The one-way valve 41 is existing technology. By setting the one-way valve 41, the water in the water supply valve 8 can be prevented from flowing back into the second valve chamber 51.

[0056] The inlet valve 1 is connected to the outlet valve 4. The first housing 2 includes a first connection port 27, which is connected to the first valve chamber 21. The second housing 5 includes a third connection port 55 and a first valve port 59. The first connection port 27 is connected to the water pump interface 25. The first connection port 27 is connected to and communicates with the third connection port 55. The third connection port 55 is connected to the first valve port 59. A pressure relief valve 10 is installed in the first valve port 59. When the pressure in the pipeline exceeds the set value of the pressure relief valve 10, the pressure relief valve 10 can start to release pressure, thereby protecting the pipeline. The pressure relief valve 10 is existing technology. When the pressure in the pipeline connected to the first valve chamber 21 exceeds the set value of the pressure relief valve 10, it can perform pressure relief operation on the pipeline.

[0057] The second valve chamber 51 is connected to the first valve port 59. Specifically, the second valve chamber 51 is unidirectionally connected to the first valve port 59 through a bypass valve 42. The third connection port 55 is located at one end of the second valve chamber 51 and has a second mounting cavity 57. The bypass valve 42 is installed in the second mounting cavity 57. The bypass valve 42 is existing technology and has a certain opening and closing pressure. When the outlet valve 4 is working normally, the outlet end of the second valve chamber 51 is not connected to the outlet end of the third connection port 55. When the water pressure in the second valve chamber 51 exceeds the set value of the bypass valve 42, the bypass valve 42 opens, and the outlet end of the second valve chamber 51 is connected to the outlet end of the third connection port 55 to perform pressure relief, thereby protecting the pipeline.

[0058] The coordinated operation of the pressure relief valve 10 and the bypass valve 42 can protect the entire pipeline and effectively ensure the reliability of the water pressure in the pipeline.

[0059] like Figures 7 to 11 As shown, an end cap 6 covers the opening of the second valve chamber 51. The second housing 5 and the end cap 6 are fixed by a retaining spring 43. The end cap 6 includes a first boss 63, which is inserted into the second valve chamber 51. The side wall of the first boss 63 is sealed to the inner wall of the second valve chamber 51. The surface of the second housing 5 is provided with a first insertion hole 58. The first boss 63 is provided with a second insertion hole 64 corresponding to the first insertion hole 58. The retaining spring 43 passes through the first insertion hole 58 and the second insertion hole 64. The retaining spring 43 connects the second housing 5 and the end cap 6 by means of a pin, which has good connection reliability and is easy to disassemble and assemble.

[0060] The water outlet valve 4 further comprises a blowdown valve 7, the end cover 6 comprises a mounting groove 61, the blowdown valve 7 is mounted in the mounting groove 61, the blowdown valve 7 comprises a second boss 73, the second boss 73 is inserted into the mounting groove 61, and the second boss 73 is threadedly connected with the mounting groove 61. By threadedly connecting the blowdown valve 7 with the end cover 6, not only is the blowdown valve 7 convenient to disassemble and assemble, but also the blowdown valve 7 can be integrated in the water outlet valve 4, so that the overall size of the wall-hanging stove can be effectively reduced, and the pipeline layout in the wall-hanging stove is more reasonable.

[0061] As shown in Figure 9 The blowdown valve 7 comprises a blowdown channel 71, the blowdown channel 71 can be communicated with or blocked with the second valve cavity 51. Specifically, a plurality of blowdown openings 72 are arranged on the side of the second boss 73, the blowdown openings 72 are communicated with the blowdown channel 71, the blowdown valve 7 can be moved to make the blowdown openings 72 communicated with or blocked with the second valve cavity 51 through the first sealing gasket 44, the valve cavity outlet 62 is arranged between the second valve cavity 51 and the mounting groove 61, the first sealing gasket 44 can block or be separated from the valve cavity outlet 62, the blowdown valve 7 comprises a convex column 76, the first sealing gasket 44 is arranged outside the convex column 76, a plurality of spaced apart protruding ribs 74 are arranged at the end of the second boss 73, the blowdown openings 72 are gaps between adjacent two protruding ribs 74, the protruding ribs 74 are connected with a connecting table 75, one end of the convex column 76 is connected with the connecting table 75 and the other end is connected with a limiting table 77, and the first sealing gasket 44 is located between the connecting table 75 and the limiting table 77.

[0062] When blowdown is not needed, the first sealing gasket 44 blocks the valve cavity outlet 62, when blowdown is needed, the blowdown valve 7 is twisted to rotate and move, so that the first sealing gasket 44 is separated from the valve cavity outlet 62, at this time the valve cavity outlet 62 is communicated with the blowdown openings 72, at this time the water in the second valve cavity 51 can flow out from the valve cavity outlet 62 into the blowdown openings 72, and finally be discharged from the blowdown channel 71. The blowdown operation is realized by rotating the blowdown valve 7, which is convenient to operate.

[0063] The side of the second boss 73 away from the blowdown openings 72 is provided with a handle portion 78, the handle portion 78 can abut against the end of the mounting groove 61, the handle portion 78 is non-circular, by arranging the handle portion 78, the user can twist the blowdown valve 7 conveniently, one end of the handle portion 78 away from the second boss 73 is provided with a connector 79, one end of the blowdown channel 71 is open at the end of the connector 79, the connector 79 is a pagoda connector, and the connector 79 can be connected with a blowdown pipe, thereby facilitating the blowdown operation.

[0064] As shown in Figures 12 to 15As shown, the third shell 9 comprises a water replenishment channel 98, which is communicated with the hot water plate exchange outlet 93, and the water replenishment channel 98 is communicated or blocked with the hot water plate exchange inlet 92 through a water replenishment switch, specifically, the third shell 9 comprises a water replenishment cavity 95, one end of the water replenishment cavity 95 is an opening and the opening is covered and fixed with a plug cover 83, the plug cover 83 is fixed with the water replenishment cavity 95 through a screw, the water replenishment cavity 95 is respectively provided with a communication port 96 and a water replenishment inlet 97, the communication port 96 is communicated with the hot water plate exchange inlet 92, and the water replenishment inlet 97 is communicated or blocked with the water replenishment channel 98 through the water replenishment switch.

[0065] The water replenishment valve is used for replenishing water for heating circulating hot water, and the bathroom hot water entering the fourth connecting port 91 can enter the water replenishment cavity 95 through the communication port 96, when the water pressure of the heating circulating hot water decreases, the water replenishment switch can be opened to replenish the bathroom hot water into the heating circulating hot water, so as to maintain the normal operation of the equipment, and the water replenishment channel 98 is an elongated structure, and the cross section of the channel is smaller than the cross section of the channel of the fourth connecting port 91.

[0066] As shown in Figure 14 and Figure 15 As shown, the third shell 9 comprises a second valve port 99, the water replenishment switch is installed in the second valve port 99, the water replenishment switch comprises a knob 81 and a valve sleeve 82, the valve sleeve 82 is inserted into the second valve port 99 and fixed, the knob 81 is connected with a push rod 811 at one end, the push rod 811 penetrates through the valve sleeve 82, the push rod 811 is in sealing cooperation with the valve sleeve 82, a limiting column 812 is arranged at one end of the push rod 811, a second sealing gasket 84 is sleeved outside the limiting column 812, the push rod 811 can move up and down, and the second sealing gasket 84 can abut or be separated from one end of the water replenishment channel 98, so as to block or communicate the water replenishment inlet 97 with the water replenishment channel 98, and the specific structure of the water replenishment switch and the assembly structure with the second valve port 99 are prior art, so that they are not described in detail in the specification.

[0067] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical scheme falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and decorations without departing from the principle of the present application shall also be considered as the protection scope of the present application.

Claims

1. An integrated waterway valve block, characterized by, The water inlet valve (1), the water outlet valve (4) and the water supplement valve (8) are connected; The water inlet valve (1) includes a first shell (2) and a three-way valve (3), the first shell (2) includes a first valve cavity (21), a domestic water inlet (22), a cold water plate exchange inlet (23), a hot water plate exchange outlet (24), a water pump interface (25) and a warm water inlet (26), the three-way valve (3) is inserted into the first valve cavity (21), the domestic water inlet (22) is communicated with the cold water plate exchange inlet (23), the hot water plate exchange outlet (24) is communicated or blocked with the water pump interface (25) through the three-way valve (3), and the water pump interface (25) is communicated or blocked with the warm water inlet (26) through the three-way valve (3). The water outlet valve (4) includes a second shell (5), the second shell (5) includes a second valve cavity (51), a hot water inlet (52) and a hot water outlet (53), the hot water inlet (52) and the hot water outlet (53) are communicated, and the hot water inlet (52) and the hot water outlet (53) are communicated with the second valve cavity (51) respectively. The water supplement valve (8) includes a third shell (9), the third shell (9) includes a hot water plate exchange inlet (92), a warm water plate exchange outlet (93) and a warm water outlet (94), the hot water inlet (52) is communicated with the hot water plate exchange inlet (92), the hot water plate exchange inlet (92) is communicated with the hot water plate exchange outlet (24), the cold water plate exchange inlet (23) is communicated with the warm water plate exchange outlet (93), and the warm water plate exchange outlet (93) is communicated with the warm water outlet (94). The second shell (5) further includes a second connecting port (54), the second connecting port (54) is communicated with the second valve cavity (51), the third shell (9) includes a fourth connecting port (91), the fourth connecting port (91) is communicated with the hot water plate exchange inlet (92), and the second connecting port (54) is connected with the fourth connecting port (91). The water inlet valve (1) is connected with the water outlet valve (4), the first shell (2) includes a first connecting port (27), the second shell (5) includes a third connecting port (55) and a first valve port (59), the first connecting port (27) is communicated with the water pump interface (25), the first connecting port (27) is connected and communicated with the third connecting port (55), the third connecting port (55) is communicated with the first valve port (59), and the second valve cavity (51) can be communicated with the first valve port (59).

2. The integrated waterway valve block of claim 1, wherein The second valve cavity (51) is communicated with the hot water plate exchange inlet (92) through a one-way valve (41), and the second connecting port (54) is provided with a first mounting cavity (56) at one end of the second valve cavity (51), and the one-way valve (41) is located in the first mounting cavity (56).

3. The integrated waterway valve block of claim 1, wherein The first valve port (59) is provided with a pressure relief valve (10), the second valve cavity (51) is communicated with the first valve port (59) through a bypass valve (42) in one way, the third connecting port (55) is provided with a second mounting cavity (57) at one end of the second valve cavity (51), and the bypass valve (42) is mounted in the second mounting cavity (57).

4. The integrated waterway valve block of claim 1, wherein, The water outlet valve (4) is located at the side of the water inlet valve (1), the water supplement valve (8) is located at the side of the water inlet valve (1), the three-way valve (3) is arranged at the side of the second shell (5), the water pump interface (25) is arranged at the upper portion of the first shell (2), the warm water inlet (26) is arranged at the lower portion of the first shell (2), the hot water inlet (52) is located at the upper portion of the second shell (5), and the hot water outlet (53) is located at the lower portion of the second shell (5).

5. The integrated waterway valve block of claim 1, wherein, The three-way valve (3) comprises a motor (31), a valve rod (32), a sliding piece (33) and an inner lining (34), the motor (31) is connected with the valve rod (32), the valve rod (32), the sliding piece (33) and the inner lining (34) are inserted into the first valve cavity (21), the sliding piece (33) is fixed outside the valve rod (32), the inner lining (34) comprises a notch (35), the inner lining (34) is communicated with the warm water inlet (26) through the notch (35), the motor (31) can drive the valve rod (32) to move, the first valve cavity (21) is provided with a valve cavity inlet (28), the hot water plate exchange outlet (24) is communicated with the valve cavity inlet (28), and the sliding piece (33) can abut against the side surface of the valve cavity inlet (28) or the side surface of the inner lining (34) to communicate the hot water plate exchange outlet (24) with the water pump interface (25) or communicate the water pump interface (25) with the inside of the inner lining (34).

6. The integrated waterway valve block of claim 1, wherein The third shell (9) comprises a water supplement channel (98), the water supplement channel (98) is communicated with the warm water plate exchange outlet (93), and the water supplement channel (98) is communicated with or blocked from the hot water plate exchange inlet (92) through a water supplement switch.

7. The integrated waterway valve block of claim 6, wherein The third shell (9) comprises a water supplement cavity (95), the water supplement cavity (95) is respectively provided with a communication port (96) and a water supplement inlet (97), the communication port (96) is communicated with the hot water plate exchange inlet (92), and the water supplement inlet (97) is communicated with or blocked from the water supplement channel (98) through the water supplement switch.

8. The integrated waterway valve block of claim 7, wherein, The water supplement cavity (95) is open at one end and a plug (83) is fixedly covered on the opening. The third shell (9) comprises a second valve port (99), and a water supplement switch is installed in the second valve port (99). The water supplement switch comprises a knob (81) and a valve sleeve (82). The valve sleeve (82) is inserted into and fixed in the second valve port (99). The knob (81) is connected with a push rod (811) at one end. The push rod (811) penetrates through the valve sleeve (82) and is in sealing cooperation with the valve sleeve (82). The push rod (811) is provided with a limiting column (812) at one end. The limiting column (812) is externally sleeved with a second sealing gasket (84). The push rod (811) can move up and down. The second sealing gasket (84) can abut or be separated from one end of a water supplement channel (98), so as to block or communicate the water supplement inlet (97) with the water supplement channel (98).

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