Water path control device of vertical make-up water inlet valve
By improving the structure of the water inlet valve of the gas water heater, and by adopting a sealing design of steel ball and moving head, and the cooperation of arc-shaped boss rubber flat gasket, the problem of poor sealing was solved, water leakage was prevented and the safety of the device was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHUJI XUTAI MASCH CO LTD
- Filing Date
- 2025-06-16
- Publication Date
- 2026-06-19
AI Technical Summary
The water inlet valve of existing gas water heaters has poor sealing performance, leading to water dripping and leakage problems, which affect the safety and reliability of the equipment.
A vertical water inlet valve was designed. The sealing performance is enhanced by the cooperation of steel balls and moving heads. An arc-shaped boss and a rubber flat gasket are set at the water inlet to improve the sealing effect. At the same time, a flow stabilizing ring and a filter screen are set at the cold water inlet to protect the inside of the device.
It effectively prevents water leakage, improves the overall efficiency and safety of the device, and extends its service life.
Smart Images

Figure CN224381786U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water circuit control technology for gas water heaters, and in particular to a water circuit control device for a vertical water supply valve. Background Technology
[0002] The key equipment for home heating and domestic hot water supply is the water circuit control device of the gas water heater. In existing technologies, although the water inlet valve can perform basic water flow switching and control tasks, its sealing performance is not ideal. Due to defects in the internal structural design of the valve body, the water flow cannot be completely cut off when closed, leading to problems such as dripping, seepage, and even constant leakage. These leaks not only waste water resources and increase operating costs, but can also damage the equipment or the surrounding environment in some cases, reducing the overall operational safety and reliability of the system. Utility Model Content
[0003] The purpose of this utility model is to provide a water circuit control device for a vertical water supply valve, addressing the deficiencies and shortcomings of existing technologies.
[0004] To achieve the above objectives, this utility model provides a water circuit control device for a vertical water supply valve, including an inlet valve and an outlet valve. A heat exchange plate is installed between the inlet valve and the outlet valve. The inlet valve includes a water supply valve, a cold water inlet pipe, a water pump connecting pipe, and a flow sensor. The flow sensor is connected to the heat exchange plate via a first connecting pipe. The water supply valve is vertically connected to one end of the connecting pipe, and the other end of the connecting pipe is connected to the cold water inlet pipe and the water pump connecting pipe, respectively. The connecting pipe has a partition layer separating the water supply inlet pipe and the water supply outlet pipe. The water supply inlet pipe and the water supply outlet pipe are connected through a water supply hole. The water supply hole, in conjunction with the valve stem, controls whether the water supply inlet pipe is connected to the water supply outlet pipe. One end of the valve stem is controlled by a knob, and the other end has an inwardly flanged steel ball groove containing steel balls. The steel balls are riveted to the tail of the movable head, and a rubber flat gasket is provided inside the head of the movable head. The inner hole at the tail of the movable head of this invention is riveted to a steel ball, which enlarges the inner hole at the tail of the movable head and fixes it on the water supply valve rod. The steel ball, together with the movable head, enhances the sealing performance of the water supply valve, effectively preventing water leakage and improving the overall efficiency and safety of the device.
[0005] One end of the water inlet hole is provided with an arc-shaped boss, which, together with the rubber flat gasket, further improves the sealing effect.
[0006] The outlet valve includes a heating water circuit control valve, a heating water heat exchange plate connecting pipe, and a hot water heat exchange plate connecting pipe. The hot water heat exchange plate connecting pipe is connected to the cold water inlet pipe and the hot water outlet pipe, respectively. A bypass pipe is provided on the back of the heating water circuit control valve. One end of the bypass pipe is connected to the lower side of the second step hole through the bypass inlet pipe, and the other end is connected to the upper side of the first step hole through the bypass outlet pipe. A bypass valve is provided in the bypass outlet pipe, and the bypass valve controls whether the bypass outlet pipe is connected to the heating heat exchange pipe.
[0007] The heating water circuit control valve includes a heating water inlet, a heating water outlet, and a heating heat exchange pipe connected to the heating water heat exchange plate connecting pipe. The heating heat exchange pipe is equipped with a pressure sensor interface. The heating water circuit control valve is equipped with a three-way assembly, which includes a motor-controlled upper and lower pin. The pin connects to a first sealing seat and a second sealing seat that are spaced apart. The first sealing seat, under the control of the pin, engages with a first stepped hole to control whether the heating water inlet is connected to the heating heat exchange pipe. The second sealing seat, under the control of the pin, engages with a second stepped hole to control whether the heating water inlet is connected to the heating water outlet.
[0008] The cold water inlet pipe is equipped with a flow stabilizing ring, a filter screen, and a fixing ring from top to bottom. The flow stabilizing ring ensures a smooth water flow, and the filter screen effectively intercepts impurities in the water, preventing them from entering the device and causing blockage or damage.
[0009] The beneficial effects of this utility model are:
[0010] 1. The design of the steel ball and the movable head enhances the sealing performance of the water supply valve, effectively preventing water leakage and improving the overall efficiency and safety of the device.
[0011] 2. The cold water inlet pipe uses a combination of a flow stabilizer ring, a filter screen, and a fixing ring to ensure a stable water flow and effectively protect the inside of the device from impurities, thus extending the device's service life. Attached Figure Description
[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a three-dimensional structural diagram of a water circuit control device for a vertical water supply valve according to the present invention;
[0014] Figure 2 This is a schematic diagram of the main structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the rear view structure of this utility model;
[0016] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure at point AA;
[0017] Figure 5 for Figure 2 Schematic diagram of the cross-sectional structure at the middle FF point;
[0018] Figure 6 for Figure 2 Schematic diagram of the cross-sectional structure at the middle JJ point;
[0019] Figure 7 This is a cross-sectional view of the internal structure of the water supply valve;
[0020] Figure 8 This is a three-dimensional structural diagram of the three-way component in this utility model. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] like Figure 1-8 As shown, a water circuit control device for a vertical water supply valve includes an inlet valve and an outlet valve. A heat exchange plate 1 is installed between the inlet valve and the outlet valve. The inlet valve includes a water supply valve 3, a cold water inlet pipe 6, a water pump connecting pipe 7, and a flow sensor 2. The flow sensor 2 is connected to the heat exchange plate 1 via a first connecting pipe 9. The water supply valve 3 is vertically connected to one end of a connecting pipe, and the other end of the connecting pipe is connected to the cold water inlet pipe 6 and the water pump connecting pipe 7 respectively. A partition layer 41 is provided inside the connecting pipe to separate the water supply inlet pipe 5 and the water supply outlet pipe 4. The water supply inlet pipe 5 and the water supply outlet pipe 4 are connected through a water supply hole 10. The water supply hole, in conjunction with the valve stem 31, controls whether the water supply inlet pipe 5 is connected to the water supply outlet pipe 4. One end of the valve stem 31 is controlled by a knob 30, and the other end is provided with an inwardly flanged steel ball groove 36. A steel ball 34 is provided in the steel ball groove, and the steel ball is riveted to the tail of a movable head 33. A rubber flat pad 35 is provided inside the head of the movable head.
[0023] One end of the water inlet hole 10 is provided with an arc-shaped boss 40, which, together with the rubber flat gasket, further improves the sealing effect.
[0024] When the heating system needs to be replenished with water, the water flows in from the cold water inlet pipe 6, flows through the replenishment water inlet pipe 5, the valve stem 31 controls the replenishment water inlet pipe 5 to connect to the replenishment water outlet pipe 4, and then enters the heating system through the water pump connection pipe 7.
[0025] The outlet valve includes a heating water circuit control valve, a heating water heat exchange plate connecting pipe 19, and a hot water heat exchange plate connecting pipe 20. The hot water heat exchange plate connecting pipe 20 is connected to the cold water inlet pipe 6 and the hot water outlet pipe 16, respectively. A bypass pipe 26 is provided on the back of the heating water circuit control valve, which makes the structure of the water circuit device more reasonable and occupies less space.
[0026] One end of the bypass pipe 26 is connected to the lower side of the second step hole 24 through the bypass inlet pipe 25, and the other end is connected to the upper side of the first step hole 24 through the bypass outlet pipe 27. A bypass valve 29 is provided inside the bypass outlet pipe 27, and the bypass valve 29 controls whether the bypass outlet pipe 27 is connected to the heating heat exchange pipe 18.
[0027] The heating water circuit control valve includes a heating water inlet 13, a heating water outlet 14, and a heating heat exchange pipe 18 connected to the heating water heat exchange plate connecting pipe 19. The heating heat exchange pipe 18 is equipped with a pressure sensor interface 17. The pressure sensor interface 17 is used to connect a pressure sensor to monitor the water pressure in the heating system in real time.
[0028] As a preferred structure, the heating water circuit control valve is equipped with a three-way assembly 12. The three-way assembly includes a push pin 28 that is controlled by a motor to move up and down. The push pin 28 is connected to a first sealing seat 21 and a second sealing seat 23 that are spaced apart vertically. Under the control of the push pin 28, the first sealing seat 21 is connected to a first stepped hole 22 to control whether the heating water inlet 13 is connected to the heating heat exchange pipe 18. Under the control of the push pin 28, the second sealing seat 23 is connected to a second stepped hole 24 to control whether the heating water inlet 13 is connected to the heating water outlet 14.
[0029] To ensure a stable water flow, the cold water inlet pipe 6 is equipped with a flow stabilizing ring 39, a filter screen 38, and a fixing ring 37 from top to bottom.
[0030] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and alterations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A water path control device of a vertical make-up water inlet valve, comprising an inlet valve and an outlet valve, a heat exchange plate (1) is installed between the inlet valve and the outlet valve, characterized in that: The water inlet valve includes a water replenishment valve (3), a cold water inlet pipe (6), a water pump connecting pipe (7), and a flow sensor (2). The water replenishment valve (3) is vertically connected to one end of the connecting pipe, and the other end of the connecting pipe is connected to the cold water inlet pipe (6) and the water pump connecting pipe (7) respectively. The connecting pipe is provided with a partition layer (41) separating the water replenishment inlet pipe (5) and the water replenishment outlet pipe (4). The water replenishment inlet pipe (5) and the water replenishment outlet pipe (4) are connected through a water replenishment hole (10). The water replenishment hole, in conjunction with the valve stem (31), controls whether the water replenishment inlet pipe (5) is connected to the water replenishment outlet pipe (4). One end of the valve stem (31) is controlled by a knob (30), and the other end is provided with an inwardly folded steel ball groove (36). The steel ball groove is provided with steel balls (34). The steel balls are riveted to the tail of the movable head (33). The head of the movable head is provided with a rubber flat pad (35).
2. The water circuit control device for a vertical water supply valve according to claim 1, characterized in that: The outlet valve includes a heating water circuit control valve, a heating water heat exchange plate connecting pipe (19) and a hot water heat exchange plate connecting pipe (20). The hot water heat exchange plate connecting pipe (20) is connected to the cold water inlet pipe (6) and the hot water outlet pipe (16) respectively. A bypass pipe (26) is provided on the back of the heating water circuit control valve.
3. The water circuit control device for a vertical water supply valve according to claim 2, characterized in that: The heating water circuit control valve includes a heating water inlet (13), a heating water outlet (14), and a heating heat exchange pipe (18) connected to the heating water heat exchange plate connecting pipe (19). The heating water circuit control valve is equipped with a three-way assembly (12), which includes a push pin (28) controlled by a motor (11) to move up and down. The push pin (28) is connected to a first sealing seat (21) and a second sealing seat (23) that are spaced apart. The first sealing seat (21) is connected to a first stepped hole (22) under the control of the push pin (28) to control whether the heating water inlet (13) is connected to the heating heat exchange pipe (18). The second sealing seat (23) is connected to a second stepped hole (24) under the control of the push pin (28) to control whether the heating water inlet (13) is connected to the heating water outlet (14).
4. The water circuit control device for a vertical water supply valve according to claim 2, characterized in that: One end of the bypass pipe (26) is connected to the lower side of the second step hole (24) through the bypass inlet pipe (25), and the other end is connected to the upper side of the first step hole (24) through the bypass outlet pipe (27). The bypass outlet pipe (27) is equipped with a bypass valve (29), which controls whether the bypass outlet pipe (27) is connected to the heating heat exchange pipe (18).
5. The water circuit control device for a vertical water supply valve according to claim 1, characterized in that: The cold water inlet pipe (6) is provided with a flow stabilizing ring (39), a filter screen (38), and a fixing ring (37) from top to bottom.
6. The water circuit control device for a vertical water supply valve according to claim 1, characterized in that: The flow sensor (2) is connected to the heat exchange plate (1) via the first connecting pipe (9) on its side.
7. The water circuit control device for a vertical water supply valve according to claim 1, characterized in that: One end of the water inlet hole (10) is provided with an arc-shaped boss (40).
8. The water circuit control device for a vertical water supply valve according to claim 4, characterized in that: The heating heat exchange pipe (18) is equipped with a pressure sensor interface (17).