CN217004946U - Automatic water supply device of gas heating water heater - Google Patents
Automatic water supply device of gas heating water heater Download PDFInfo
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- CN217004946U CN217004946U CN202220749873.2U CN202220749873U CN217004946U CN 217004946 U CN217004946 U CN 217004946U CN 202220749873 U CN202220749873 U CN 202220749873U CN 217004946 U CN217004946 U CN 217004946U
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Abstract
The utility model relates to the technical field of heating stoves, in particular to an automatic water supplementing device of a gas heating water heater.A valve body is provided with a water outlet communicated with a heating water return pipe; the valve body is provided with a sliding groove which is connected with the valve core in a sliding way; the valve body is provided with a cavity; the sliding groove penetrates through the cavity; the valve body is provided with a water inlet communicated with the domestic water inlet pipe; one end face of the valve core is provided with a water outlet groove communicated with the water outlet; a water inlet hole communicated with the water outlet groove is formed in the side surface of the valve core; a rubber film for dividing the cavity into a positive pressure cavity and a movable cavity is arranged in the cavity; the valve core is fixed on the surface of the rubber film. When the automatic water replenishing device is used, the effect of dynamic balance water replenishing is achieved through the automatic water replenishing device, the water pressure stability of a heating system is ensured, and manual operation water replenishing is not needed.
Description
Technical Field
The utility model relates to the technical field of heating stoves, in particular to an automatic water replenishing device of a gas heating water heater.
Background
At present, water supplementing devices of gas wall-mounted furnaces in the existing market are manually supplemented with water, and water is supplemented to 1-1.5pa by manually opening a water supplementing valve switch; however, after water is supplemented, the water supplementing valve is easy to forget to close after water is supplemented, so that the system pressure is too high and even heating system equipment is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic water replenishing device of a gas heating water heater, aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model relates to an automatic water replenishing device of a gas heating water heater, which comprises a water replenishing valve main body connected between a domestic water inlet pipe and a heating water return pipe; the water replenishing valve main body comprises a valve body, a valve core, an inflating nozzle and a rubber film; a water outlet communicated with the heating water return pipe is formed in the valve body; the valve body is provided with a sliding groove in sliding connection with the valve core; the valve body is provided with a cavity; the sliding groove penetrates through the cavity;
the valve body is provided with a water inlet communicated with a domestic water inlet pipe; a water inlet channel for communicating the water inlet with the sliding groove is arranged on the valve body; one end surface of the valve core is provided with a water outlet groove communicated with the water outlet; a water inlet hole communicated with the water outlet groove is formed in the side surface of the valve core; a rubber film for dividing the cavity into a positive pressure cavity and a movable cavity is arranged in the cavity; the positive pressure cavity is connected with an inflating nozzle;
one end of the valve core, which is far away from the water outlet groove, penetrates through the sliding groove and then is inserted into the movable cavity; the valve core is fixed on the surface of the rubber film.
Furthermore, one end of the cavity far away from the sliding groove is arranged in an opening shape; an inner cavity of the cavity is provided with an inner threaded hole; the valve body is connected with a gland; the gland is provided with a gland external thread in threaded connection with the internal thread hole; the external thread of the gland is in threaded connection with the internal thread hole, and then the gland tightly presses the edge of the rubber film on the end surface of the cavity; the charging connector is connected to the pressure cover.
Furthermore, a connecting seat is fixed on the rubber film; the end surface of the connecting seat is provided with a positioning hole matched with the shaft body of the valve core; the valve core is inserted into the positioning hole; the valve core and the connecting seat are fixed through welding.
After adopting the structure, the utility model has the beneficial effects that: when the automatic water replenishing device for the gas heating water heater is used, a certain amount of gas is injected into the positive pressure cavity through the inflating nozzle, so that the positive pressure cavity generates pressure on the rubber film to push the valve core to slide to the sliding groove to be communicated with the water inlet channel; therefore, after the water inlet is communicated with the domestic water inlet pipe, the tap water can automatically enter the heating water return pipe through the water inlet, the water inlet channel, the water inlet hole, the water outlet groove and the water outlet to supplement water; along with the water in the heating water return pipe is slowly filled, the water pressure of the heating water return pipe is increased, the water pressure in the water outlet groove is also increased, the pressure of the water in the water outlet groove on the valve core to the rubber film is also increased, the valve core slides along the sliding groove to deform the rubber film, the air in the positive pressure cavity is compressed, and the internal pressure in the positive pressure cavity is increased; until the water inlet hole and the water inlet channel are dislocated, the water inlet hole does not feed water any more, the water pressure of the water outlet groove reaches a set value, and the water outlet groove is in a static balance state; when the pressure in the water outlet is reduced, the pressure generated by the rubber film and the positive pressure cavity on the valve core is greater than the pressure of water in the water outlet groove on the valve core to push the valve core outwards, so that the water inlet hole is communicated with the water inlet channel again, and the water inlet hole and the water inlet channel are dislocated again until the water inlet hole and the water inlet channel reach the balance state again; reach the effect of dynamic balance moisturizing through automatic water supply device, guarantee that heating system water pressure is stable, need not the manual operation moisturizing moreover.
Drawings
FIG. 1 is a schematic view showing a construction of the present invention connected between a domestic water inlet pipe and a heating return pipe;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a block diagram of the valve body;
FIG. 4 is a structural view of the valve cartridge;
FIG. 5 is a view showing a structure of the connection of the rubber diaphragm and the connecting holder;
FIG. 6 is a block diagram of the connection of the inflation nozzle and the gland;
description of reference numerals:
A. a heating water return pipe;
B. a water supply valve main body; 1. a valve body; 101. a water outlet; 102. a sliding groove;
102. a water inlet; 103. a water inlet; 104. a cavity; 104a, an internal threaded hole;
105. a water inlet channel; 2. a valve core; 201. a water outlet groove; 202. a water inlet hole; 3. a gland;
301. external threads of the gland; 4. an air charging nozzle; 5. a rubber film; 6. a connecting seat;
C. a domestic water inlet pipe.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, the automatic water supply device for a gas heating water heater according to the present invention includes a water supply valve body B connected between a domestic water inlet pipe C and a heating water return pipe a; the water replenishing valve main body B comprises a valve body 1, a valve core 2, an inflating nozzle 4 and a rubber membrane 5; a water outlet 101 communicated with a heating water return pipe A is formed in the valve body 1; the valve body 1 is provided with a sliding groove 102 which is connected with the valve core 2 in a sliding way; the valve body 1 is provided with a cavity 104; the sliding groove 102 penetrates through the cavity 104;
a water inlet 103 communicated with the domestic water inlet pipe C is arranged on the valve body 1; the valve body 1 is provided with a water inlet channel 105 for communicating the water inlet 103 with the sliding groove 102; a water outlet groove 201 communicated with the water outlet 101 is formed in one end face of the valve core 2; a water inlet hole 202 communicated with the water outlet groove 201 is formed in the side surface of the valve core 2; a rubber membrane 5 for dividing the cavity 104 into a positive pressure cavity and a movable cavity is arranged in the cavity 104; the positive pressure cavity is connected with an inflating nozzle 4; the charging connector 4 is not essentially different from the prior art, and therefore will not be described in detail;
one end of the valve core 2, which is far away from the water outlet groove 201, penetrates through the sliding groove 102 and then is inserted into the movable cavity; the valve core 2 is fixed on the surface of the rubber film 5;
firstly, injecting a certain amount of gas into the positive pressure cavity through the charging connector 4, so that the positive pressure cavity generates pressure on the rubber film 5 to push the valve core 2 to slide to the sliding groove 102 to be communicated with the water inlet channel 105; therefore, after the water inlet 103 is communicated with the domestic water inlet pipe C, the tap water automatically enters the heating return pipe A through the water inlet 103, the water inlet channel 105, the water inlet hole 202, the water outlet groove 201 and the water outlet 101 to supplement water; along with the water in the heating water return pipe A is slowly filled, the water pressure of the heating water return pipe A is increased, the water pressure in the water outlet groove 201 is also increased, the pressure of the water in the water outlet groove 201 on the valve core 2 to the rubber film 5 is also increased, the valve core 2 slides along the sliding groove 102 to deform the rubber film 5, the air in the positive pressure cavity is compressed, and the pressure in the positive pressure cavity is increased; until the water inlet 202 and the water inlet channel 105 are dislocated, the water inlet 202 does not feed water any more, the water pressure of the water outlet tank 201 reaches a set value, and at this time, the water outlet tank belongs to a static balance state; when the pressure in the water outlet 101 is reduced, the pressure generated by the rubber membrane 5 and the positive pressure cavity to the valve core 2 is greater than the pressure of the water in the water outlet groove 201 to the valve core 2, so that the valve core is pushed outwards, the water inlet hole 202 is communicated with the water inlet channel 105 again, and the water inlet hole 202 and the water inlet channel 105 are dislocated again until the balance state is reached again; reach the effect of dynamic balance moisturizing through automatic water supply device, guarantee that heating system water pressure is stable, need not the manual operation moisturizing moreover.
As shown in fig. 2, 3 and 6, as a preferred mode of the present invention, an end of the cavity 104 away from the sliding groove 102 is provided with an opening; an inner cavity of the cavity 104 is provided with an internal threaded hole 104 a; the valve body 1 is connected with a gland 3; a gland external thread 301 in threaded connection with the internal thread hole 104a is arranged on the gland 3; the gland external thread 301 is in threaded connection with the internal thread hole 104a, and the gland 3 presses the edge of the rubber film 5 on the end surface of the cavity 104; the charging connector 4 is connected to the gland 3; in the cavity 104, a positive pressure cavity is formed between the gland 3 and the rubber film 5;
the rubber film 5 and the valve core 2 are conveniently assembled by detachably connecting the gland 3 to the valve body 1, and the sealing effect of the rubber film 5 in the cavity 104 can be ensured.
As a preferred mode of the present invention, a connecting seat 6 is fixed on the rubber membrane 5; the end surface of the connecting seat 6 is provided with a positioning hole matched with the shaft body of the valve core 2; the valve core 2 is inserted into the positioning hole; the valve core 2 and the connecting seat 6 are fixed by welding; the valve core 2 is connected with the rubber film 5 by using the connecting seat 6; so that the core 2 is positioned on the rubber membrane 5.
When the pneumatic water supply device is used, a certain amount of gas is injected into the positive pressure cavity through the inflating nozzle, so that the positive pressure cavity generates pressure on the rubber film to push the valve core to slide to the sliding groove to be communicated with the water inlet channel; therefore, after the water inlet is communicated with the domestic water inlet pipe, the tap water can automatically enter the heating water return pipe through the water inlet, the water inlet channel, the water inlet hole, the water outlet groove and the water outlet to supplement water; along with the water in the heating water return pipe is slowly filled, the water pressure of the heating water return pipe is increased, the water pressure in the water outlet groove is also increased, the pressure of the water in the water outlet groove on the valve core to the rubber film is also increased, the valve core slides along the sliding groove to deform the rubber film, the air in the positive pressure cavity is compressed, and the internal pressure in the positive pressure cavity is increased; until the water inlet hole and the water inlet channel are dislocated, the water inlet hole does not feed water any more, the water pressure of the water outlet groove reaches a set value, and the water outlet groove is in a static balance state; when the pressure in the water outlet is reduced, the pressure generated by the rubber film and the positive pressure cavity on the valve core is greater than the pressure of water in the water outlet groove on the valve core, so that the valve core is pushed outwards, the water inlet hole is communicated with the water inlet channel again, and the water inlet hole and the water inlet channel are dislocated again until the balance state is achieved again; the effect of dynamic balance water supplement is achieved through the automatic water supplement device, the water pressure of the heating system is ensured to be stable, and manual operation water supplement is not needed; in the cavity, a positive pressure cavity is formed between the gland and the rubber film; the detachable connection through the gland on the valve body makes things convenient for the equipment of rubber membrane and case, can guarantee the sealed effect of rubber membrane at the cavity moreover.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (3)
1. An automatic water supply device of a gas heating water heater comprises a water supply valve main body (B) connected between a domestic water inlet pipe (C) and a heating water return pipe (A); the method is characterized in that: the water replenishing valve main body (B) comprises a valve body (1), a valve core (2), an inflating nozzle (4) and a rubber membrane (5); a water outlet (101) communicated with the heating water return pipe (A) is arranged on the valve body (1); the valve body (1) is provided with a sliding groove (102) which is in sliding connection with the valve core (2); a cavity (104) is arranged on the valve body (1); the sliding groove (102) penetrates through the cavity (104);
a water inlet (103) communicated with the domestic water inlet pipe (C) is arranged on the valve body (1); a water inlet channel (105) for communicating the water inlet (103) with the sliding groove (102) is arranged on the valve body (1); a water outlet groove (201) communicated with the water outlet (101) is formed in one end face of the valve core (2); a water inlet hole (202) communicated with the water outlet groove (201) is formed in the side surface of the valve core (2); a rubber membrane (5) which divides the cavity (104) into a positive pressure cavity and a movable cavity is arranged in the cavity (104); the positive pressure cavity is connected with an inflating nozzle (4);
one end of the valve core (2) far away from the water outlet groove (201) penetrates through the sliding groove (102) and then is inserted into the movable cavity; the valve core (2) is fixed on the surface of the rubber film (5).
2. The automatic water replenishing device of the gas heating water heater according to claim 1, wherein: one end of the cavity (104) far away from the sliding groove (102) is arranged in an opening shape; an inner cavity of the cavity (104) is provided with an internal threaded hole (104 a); the valve body (1) is connected with a gland (3); a gland external thread (301) in threaded connection with the internal thread hole (104 a) is arranged on the gland (3); the gland external thread (301) is in threaded connection with the internal thread hole (104 a), and the gland (3) presses the edge of the rubber film (5) onto the end surface of the cavity (104); the charging connector (4) is connected to the gland (3).
3. The automatic water replenishing device of the gas heating water heater according to claim 1, wherein: a connecting seat (6) is fixed on the rubber film (5); a positioning hole matched with the shaft body of the valve core (2) is formed in the end face of the connecting seat (6); the valve core (2) is inserted into the positioning hole; the valve core (2) and the connecting seat (6) are fixed through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220749873.2U CN217004946U (en) | 2022-04-02 | 2022-04-02 | Automatic water supply device of gas heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220749873.2U CN217004946U (en) | 2022-04-02 | 2022-04-02 | Automatic water supply device of gas heating water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217004946U true CN217004946U (en) | 2022-07-19 |
Family
ID=82374304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220749873.2U Active CN217004946U (en) | 2022-04-02 | 2022-04-02 | Automatic water supply device of gas heating water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217004946U (en) |
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2022
- 2022-04-02 CN CN202220749873.2U patent/CN217004946U/en active Active
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