Integrated waterway

Through the integrated waterway design, the water inlet valve, pressure reducing valve, heater, flowmeter and distribution valve are integrated, and screw connection and clamping structure is adopted to solve the problems of large space occupied by waterways and inconvenient assembly in the bathroom system, improve the strength and reliability of the waterway, and achieve flow consistency and convenience of temperature monitoring.

CN223271339UActive Publication Date: 2025-08-26ZHEJIANG KEXUAN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422554389.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-08-26
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The components in the waterway of the existing bathroom system are independent, resulting in large space occupation and inconvenient assembly, and the connection method of the leather pipes leads to insufficient strength and reliability of the waterway.

Method used

Integrate the water inlet valve, pressure reducing valve, heater, flowmeter and distribution valve, use screw connections and cancel the leather pipe connection, use arc-shaped grooves and locking projections to add a temperature sensor and vacuum destroyer to improve reliability and assembly convenience.

Benefits of technology

It achieves low space occupancy rate and simple assembly of the waterway, improves the strength and reliability of the waterway, ensures flow consistency, and can monitor the water temperature in real time and prevent siphon backflow.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated waterway which comprises a water inlet valve, a pressure reducing valve, a heater, a flow meter and a distribution valve. The flow meter comprises a flow meter shell, a first arc-shaped groove is formed in the inner wall of the water inlet end of the flow meter shell, a first guide groove is formed in the end face of the water inlet end of the flow meter shell, the heater comprises a heater shell, a first locking protrusion is arranged on the periphery of the water outlet end of the heater shell, and the first locking protrusion penetrates through the first guide groove and slides into the inner end of the first arc-shaped groove; the distribution valve comprises a distribution valve shell, a second arc-shaped groove is formed in the inner wall of the water inlet end of the distribution valve shell, a second guide groove is formed in the end face of the water inlet end of the distribution valve shell, a second locking protrusion is arranged on the periphery of the water outlet end of the flowmeter shell, and the second locking protrusion penetrates through the second guide groove and slides into the inner end of the second arc-shaped groove. According to the utility model, the water paths are integrated together, so that the water path has the advantages of high space occupancy rate and convenience in assembly, a leather hose connection mode of a conventional water path is eliminated, and the strength and the reliability of the water path are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of waterway valve groups, in particular to an integrated waterway. Background Art

[0002] In the water circuits of bathroom systems currently on the market, the water inlet valve, pressure reducing valve, heater, flow meter and distribution valve are all independent units, and the various components are connected together with leather hoses to form a water supply circuit. However, in actual use, this water circuit has the disadvantages of taking up a large space and being inconvenient to assemble. Utility Model Content

[0003] The purpose of the utility model is to provide an integrated waterway. The waterways of the utility model are integrated together, which has the advantages of high space occupancy and easy assembly. It also eliminates the conventional waterway connection method using leather pipes, thereby improving the strength and reliability of the waterway.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an integrated water circuit, comprising a water inlet valve, a pressure reducing valve, a heater, a flow meter and a distribution valve; the water outlet end of the water inlet valve is connected to the water inlet end of the pressure reducing valve by a screw, and the water outlet end of the pressure reducing valve is connected to the water inlet end of the heater by a screw; the flow meter comprises a flow meter housing, a first arcuate groove is circumferentially provided on the inner wall of the water inlet end of the flow meter housing, and a first guide groove extending axially and connected to one end of the first arcuate groove is provided on the end face of the water inlet end of the flow meter housing; the heater comprises a heater housing, and a first locking mechanism is provided on the outer periphery of the water outlet end of the heater housing. The water outlet end of the heater housing extends into the water inlet end of the flow meter housing, and at the same time, the first locking protrusion passes through the first guide groove and slides into the inner end of the first arc-shaped groove; the distribution valve includes a distribution valve housing, and a second arc-shaped groove is circumferentially provided on the inner wall of the water inlet end of the distribution valve housing, and a second guide groove extending axially and connected to one end of the second arc-shaped groove is provided on the end face of the water inlet end of the distribution valve housing, and a second locking protrusion is provided on the outer periphery of the water outlet end of the flow meter housing, and the water outlet end of the flow meter housing extends into the water inlet end of the distribution valve housing, and at the same time, the second locking protrusion passes through the second guide groove and slides into the inner end of the second arc-shaped groove.

[0005] By adopting the above technical solution, the water inlet valve, pressure reducing valve, heater, flow meter, and distribution valve are integrated together, simplifying assembly and reducing labor costs. The system is also compact and space-efficient. This structure eliminates the conventional hose connection required for the water circuit, improving its strength and reliability. Furthermore, pre-shipment testing and adjustment ensure greater flow consistency. The flow meter's two ends quickly connect to the heater and distribution valve, respectively, using a snap-fit ​​mechanism. Since the connections are identical, they can be freely combined during use. The flow meter can be omitted, and the distribution valve can be connected directly to the heater, bypassing the flow meter.

[0006] The utility model is further configured such that a first damping protrusion is provided at a portion near the inner end of the first arc-shaped groove for limiting the first locking protrusion to the inner end of the first arc-shaped groove; and a second damping protrusion is provided at a portion near the inner end of the second arc-shaped groove for limiting the second locking protrusion to the inner end of the second arc-shaped groove.

[0007] By adopting the above technical solution, the first damping protrusion can prevent the first locking protrusion from loosening, and the second damping protrusion can prevent the second locking protrusion from loosening, thereby improving the reliability of the connection structure between the heater and the flow meter and between the flow meter and the distribution valve.

[0008] The present invention is further configured such that the first damping protrusion has an end close to the first guide groove provided with a first guide slope, and the second damping protrusion has an end close to the second guide groove provided with a second guide slope.

[0009] By adopting the above technical solution, the assembly operation between the heater and the flow meter, and between the flow meter and the distribution valve is more convenient.

[0010] The present invention is further configured such that a first opening is provided through the side portion of the flow meter housing inlet end corresponding to the position of the first damping protrusion, and a second opening is provided through the side portion of the distribution valve housing inlet end corresponding to the position of the second damping protrusion.

[0011] By adopting the above technical solution, a through opening is provided, which facilitates the insertion of a tool and acts on the locking protrusion to push it out of the arc groove, thereby facilitating the disassembly operation.

[0012] The present invention is further configured to include a pre-heating temperature sensor and a post-heating temperature sensor, the water inlet valve includes a water inlet valve housing, a first detection interface is provided on the side of the water inlet valve housing, the pre-heating temperature sensor is inserted into the first detection interface, a first limiting step is provided on the inner wall of the first detection interface, a first slot is provided through the side of the first detection interface, a first U-shaped clip for pressing the pre-heating temperature sensor onto the first limiting step is inserted into the first slot; a second detection interface is provided on the side of the heater housing, the post-heating temperature sensor is inserted into the second detection interface, a second limiting step is provided on the inner wall of the second detection interface, a second slot is provided through the side of the second detection interface, a second U-shaped clip for pressing the post-heating temperature sensor onto the second limiting step is inserted into the second slot.

[0013] By adopting the above technical solution and setting a temperature sensor, the water channel temperature can be monitored in real time, thereby better controlling the water temperature. In addition, the temperature sensor has a simple assembly structure and is very convenient to assemble and disassemble.

[0014] The present invention is further configured to include a vacuum breaker, the vacuum breaker including a vacuum breaker housing, a safety interface provided on the side of the heater housing, the inner end of the vacuum breaker housing being inserted into the safety interface, an annular groove being provided on the outer periphery of the vacuum breaker housing, a third slot being provided on the side of the safety interface, a third U-shaped buckle being inserted into the third slot, and the third U-shaped buckle being inserted into the annular groove.

[0015] By adopting the above technical solution and adding a vacuum breaker, when the system is running or stopped, if negative pressure or vacuum gradually increases in the water channel, the vacuum breaker can automatically open to destroy the vacuum effect, effectively preventing siphon backflow and equipment damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of the entire utility model;

[0017] Figure 2 This is a schematic structural diagram of the flow meter housing from a first perspective of the present invention;

[0018] Figure 3 This is a schematic structural diagram of the flow meter housing from a second perspective of the present invention;

[0019] Figure 4 This is a schematic structural diagram of the heater housing of the present invention;

[0020] Figure 5 This is a three-dimensional diagram of the distributing valve of the utility model;

[0021] Figure 6 A top view of the entire utility model;

[0022] Figure 7 for Figure 6 AA section view;

[0023] Figure 8 for Figure 6 BB cross-sectional view.

[0024] Figure: 1, water inlet valve; 2, pressure reducing valve; 3, heater; 4, flow meter; 5, distribution valve; 6, flow meter housing; 7, first arcuate groove; 8, first guide groove; 9, heater housing; 10, first locking protrusion; 11, distribution valve housing; 12, second arcuate groove; 13, second guide groove; 14, second locking protrusion; 15, first damping protrusion; 16, second damping protrusion; 17, first guide slope; 18, second guide slope; 19, first opening; 20, second opening 21. Temperature sensor before heating; 22. Temperature sensor after heating; 23. Water inlet valve housing; 24. First detection interface; 25. First limiting step; 26. First slot; 27. First U-shaped buckle; 28. Second detection interface; 29. ​​Second limiting step; 30. Second slot; 31. Second U-shaped buckle; 32. Vacuum breaker; 33. Vacuum breaker housing; 34. Safety interface; 35. Annular slot; 36. Third slot; 37. Third U-shaped buckle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example: As shown in the attached Figures 1 to 8The integrated water circuit shown includes a water inlet valve 1, a pressure reducing valve 2, a heater 3, a flow meter 4 and a distribution valve 5. The internal structures of the water inlet valve 1, the pressure reducing valve 2, the heater 3, the flow meter 4 and the distribution valve 5 are mature technologies on the market. Therefore, they will not be described in detail here, and the description will mainly focus on the connection of the outer shell; the water outlet end of the water inlet valve 1 is connected to the water inlet end of the pressure reducing valve 2 by a screw, and the water outlet end of the pressure reducing valve 2 is connected to the water inlet end of the heater 3 by a screw. The flow meter 4 includes a flow meter housing 6, and a first arc groove 7 is circumferentially provided on the inner wall of the water inlet end of the flow meter housing 6, and a first guide groove 8 extending axially and connected to one end of the first arc groove 7 is provided on the end face of the water inlet end of the flow meter housing 6. The heater 3 includes a heater housing 9, and the heater A first locking protrusion 10 is provided on the outer periphery of the water outlet end of the heater housing 9, and the water outlet end of the heater housing 9 extends into the water inlet end of the flowmeter housing 6, and at the same time, the first locking protrusion 10 passes through the first guide groove 8 and slides into the inner end of the first arc-shaped groove 7; the distribution valve 5 includes a distribution valve housing 11, and a second arc-shaped groove 12 is circumferentially provided on the inner wall of the water inlet end of the distribution valve housing 11, and a second guide groove 13 extending axially and connected to one end of the second arc-shaped groove 12 is provided on the end face of the water inlet end of the distribution valve housing 11, and a second locking protrusion 14 is provided on the outer periphery of the water outlet end of the flowmeter housing 6, and the water outlet end of the flowmeter housing 6 extends into the water inlet end of the distribution valve housing 11, and at the same time, the second locking protrusion 14 passes through the second guide groove 13 and slides into the inner end of the second arc-shaped groove 12. The water inlet valve 1, pressure reducing valve 2, heater 3, flow meter 4 and distribution valve 5 are integrated together, and sealing rings are set between each component to ensure sealing. The assembly is simple, which reduces labor costs. In addition, it is compact and has a low space occupancy rate. Since this structure can eliminate the use of leather hoses for conventional water channels, the strength and reliability of the water channels are improved. In addition, the flow rate consistency is higher after unified testing and adjustment before leaving the factory. Among them, the two ends of the flow meter 4 are quickly connected to the heater 3 and the distribution valve 5 respectively by snap-fitting. Since the connection method of the two ends is the same, they can be freely combined during actual use. The flow meter can be installed, and the distribution valve 5 can directly skip the flow meter 4 and connect to the heater 3.

[0027] As attached Figures 1 to 5 As shown, a first damping protrusion 15 is provided near the inner end of the first arcuate groove 7 for confining the first locking protrusion 10 to the inner end of the first arcuate groove 7; a second damping protrusion 16 is provided near the inner end of the second arcuate groove 12 for confining the second locking protrusion 14 to the inner end of the second arcuate groove 12. The first damping protrusion 15 can prevent the first locking protrusion 10 from loosening, and the second damping protrusion 16 can prevent the second locking protrusion 14 from loosening, thereby improving the reliability of the connection structure between the heater 3 and the flow meter 4, and between the flow meter 4 and the distribution valve 5.

[0028] As attached Figures 1 to 5 As shown, the first damping protrusion 15 has a first guide slope 17 at one end close to the first guide groove 8, and the second damping protrusion 16 has a second guide slope 18 at one end close to the second guide groove 13. This design facilitates the assembly operation between the heater 3 and the flow meter 4, and between the flow meter 4 and the distribution valve 5.

[0029] As attached Figures 1 to 5 As shown, a first opening 19 is provided through the side of the inlet end of the flow meter housing 6 at a position corresponding to the first damping protrusion 15, and a second opening 20 is provided through the side of the inlet end of the distribution valve housing 11 at a position corresponding to the second damping protrusion 16. The openings facilitate insertion of a tool to act on the locking protrusion to push it out of the arcuate groove, thereby facilitating disassembly.

[0030] As attached Figures 6-8 As shown, the integrated water circuit also includes a pre-heating temperature sensor 21 and a post-heating temperature sensor 22, the water inlet valve 1 includes a water inlet valve housing 23, a first detection interface 24 is provided on the side of the water inlet valve housing 23, the pre-heating temperature sensor 21 is inserted into the first detection interface 24, a first limiting step 25 is provided on the inner wall of the first detection interface 24, a first slot 26 is provided through the side of the first detection interface 24, and a first U-shaped buckle 27 for pressing the pre-heating temperature sensor 21 on the first limiting step 25 is inserted into the first slot 26. At the same time, the first U-shaped buckle 27 securely holds the pre-heating temperature sensor 21. A second detection interface 28 is provided on the side of the heater housing 9, into which the post-heating temperature sensor 22 is inserted. A second limiting step 29 is provided on the inner wall of the second detection interface 28. A second slot 30 is provided through the side of the second detection interface 28. A second U-shaped buckle 31 is inserted into the second slot 30, which is used to press the post-heating temperature sensor 22 against the second limiting step 29. Simultaneously, the second U-shaped buckle 31 secures the post-heating temperature sensor 22. The temperature sensor allows for real-time monitoring of the water channel temperature, thereby enabling better water temperature control. The temperature sensor also features a simple assembly structure and is very convenient to assemble and disassemble.

[0031] As attached Figures 6-8As shown, the integrated waterway also includes a vacuum breaker 32, which includes a vacuum breaker housing 33. A safety interface 34 is also provided on the side of the heater housing 9. The inner end of the vacuum breaker housing 33 is inserted into the safety interface 34. An annular groove 35 is provided on the outer periphery of the vacuum breaker housing 33. A third slot 36 is provided on the side of the safety interface 34. A third U-shaped buckle 37 is inserted into the third slot 36 and inserted into the annular groove 35. The addition of the vacuum breaker 32 automatically activates when negative pressure or a gradually increasing vacuum is generated within the waterway during system operation or shutdown, breaking the vacuum effect and effectively preventing siphon backflow and equipment damage.

Claims

1. An integrated water circuit, comprising a water inlet valve (1), a pressure reducing valve (2), a heater (3), a flow meter (4) and a distribution valve (5); characterized in that: The water outlet end of the water inlet valve (1) is connected to the water inlet end of the pressure reducing valve (2) by means of screws, and the water outlet end of the pressure reducing valve (2) is connected to the water inlet end of the heater (3) by means of screws. The flow meter (4) comprises a flow meter housing (6), and a first arcuate groove (7) is provided on the inner wall of the water inlet end of the flow meter housing (6) along the circumferential direction, and a first guide groove (8) is provided on the end surface of the water inlet end of the flow meter housing (6) extending in the axial direction and communicating with one end of the first arcuate groove (7). The heater (3) comprises a heater housing (9), and a first locking protrusion (10) is provided on the outer periphery of the water outlet end of the heater housing (9). The water outlet end of the heater housing (9) extends into the water inlet end of the flow meter housing (6), and the first locking protrusion (10) is provided on the outer periphery of the water outlet end of the heater housing (9). The first locking protrusion (10) passes through the first guide groove (8) and slides into the inner end of the first arc-shaped groove (7); the distribution valve (5) includes a distribution valve housing (11); a second arc-shaped groove (12) is circumferentially provided on the inner wall of the water inlet end of the distribution valve housing (11); and a second guide groove (13) extending axially and communicating with one end of the second arc-shaped groove (12) is provided on the end face of the water inlet end of the distribution valve housing (11); a second locking protrusion (14) is provided on the outer periphery of the water outlet end of the flow meter housing (6); the water outlet end of the flow meter housing (6) extends into the water inlet end of the distribution valve housing (11); and the second locking protrusion (14) passes through the second guide groove (13) and slides into the inner end of the second arc-shaped groove (12).

2. The integrated waterway according to claim 1, characterized in that: A first damping protrusion (15) is provided at a portion near the inner end of the first arc-shaped groove (7) for limiting the first locking protrusion (10) at the inner end of the first arc-shaped groove (7); and a second damping protrusion (16) is provided at a portion near the inner end of the second arc-shaped groove (12) for limiting the second locking protrusion (14) at the inner end of the second arc-shaped groove (12).

3. The integrated waterway according to claim 2, characterized in that: A first guide slope (17) is provided at one end of the first damping protrusion (15) close to the first guide groove (8), and a second guide slope (18) is provided at one end of the second damping protrusion (16) close to the second guide groove (13).

4. The integrated waterway according to claim 2, characterized in that: A first opening (19) is provided through the side portion of the inlet end of the flow meter housing (6) corresponding to the position of the first damping protrusion (15), and a second opening (20) is provided through the side portion of the inlet end of the distribution valve housing (11) corresponding to the position of the second damping protrusion (16).

5. The integrated waterway according to claim 1, characterized in that: The water inlet valve (1) further comprises a pre-heating temperature sensor (21) and a post-heating temperature sensor (22); the water inlet valve (1) comprises a water inlet valve housing (23); a first detection interface (24) is provided on the side of the water inlet valve housing (23); the pre-heating temperature sensor (21) is inserted into the first detection interface (24); a first limiting step (25) is provided on the inner wall of the first detection interface (24); a first slot (26) is provided through the side of the first detection interface (24); a first slot (26) is inserted into the first slot (26) for pressing the pre-heating temperature sensor (21) against the water inlet valve; and A first U-shaped buckle (27) is provided on the first limiting step (25); a second detection interface (28) is provided on the side of the heater housing (9), the temperature sensor (22) after heating is inserted into the second detection interface (28), a second limiting step (29) is provided on the inner wall of the second detection interface (28), a second slot (30) is provided through the side of the second detection interface (28), and a second U-shaped buckle (31) is inserted into the second slot (30) for pressing the temperature sensor (22) after heating onto the second limiting step (29).

6. The integrated waterway according to claim 1, characterized in that: The invention also includes a vacuum breaker (32), the vacuum breaker (32) including a vacuum breaker housing (33), a safety interface (34) provided on the side of the heater housing (9), the inner end of the vacuum breaker housing (33) being inserted into the safety interface (34), an annular card slot (35) being provided on the outer periphery of the vacuum breaker housing (33), a third slot (36) being provided on the side of the safety interface (34), a third U-shaped clip (37) being inserted into the third slot (36), and the third U-shaped clip (37) being inserted into the annular card slot (35).