CN219639545U - Gas water heater circulation water supply and discharge assembly and zero cold water gas water heater - Google Patents
Gas water heater circulation water supply and discharge assembly and zero cold water gas water heater Download PDFInfo
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- CN219639545U CN219639545U CN202320716401.1U CN202320716401U CN219639545U CN 219639545 U CN219639545 U CN 219639545U CN 202320716401 U CN202320716401 U CN 202320716401U CN 219639545 U CN219639545 U CN 219639545U
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- valve
- water
- way valve
- direct
- pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 239000000498 cooling water Substances 0.000 claims abstract description 25
- 239000008236 heating water Substances 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The circulating water supply and discharge assembly of the gas water heater comprises an integrally formed water supply and discharge circulating main body and a one-way valve, wherein the water supply and discharge circulating main body comprises a direct hot water outlet pipe, a transverse circulating pipe and a direct cold water inlet pipe, hot water connectors are respectively arranged at two ends of the direct hot water outlet pipe, and cold water connectors are respectively arranged at two ends of the direct cold water inlet pipe; the one-way valve is arranged in one end of the transverse circulating pipe and one end of the direct cooling water inlet pipe, and the direction from the direct heating water outlet pipe to the direct cooling water inlet pipe is in a state that the one-way valve is opened. The water flow resistance of the hot water outlet pipe and the direct cooling water inlet pipe for the circulating main body is small; the sealing performance is good because the sealing device is manufactured by integral molding; compared with the prior art, the structure is simplified, and the cost is reduced.
Description
Technical Field
The utility model relates to a zero cold water gas water heater, in particular to a one-way valve device arranged on a circulating pipeline.
Background
At present, in the prior art, chinese patent 202011372833.2, a self-adjusting one-way valve assembly includes a mouthpiece, a one-way valve, a first magnetic member, a sliding rod and a second magnetic member, wherein one end of the mouthpiece has a first interface and a second interface which are communicated, the other end has a third interface and a fourth interface which are communicated, and the one-way valve is fixed in the middle of the mouthpiece; the first magnetic part is fixed on a valve core of the one-way valve, the sliding rod is fixed in the interface pipe, and the moving direction of the sliding rod is perpendicular to the moving direction of the valve core; the second magnetic piece is fixed on the slide bar, and one end of the second magnetic piece, which is opposite to the first magnetic piece, is a homonymous magnetic pole. The problems are: the structure is complex, and the resistance of hot water outlet and cold water inlet is large.
Disclosure of Invention
The purpose of the utility model is that: the circulating water supply and discharge assembly of the gas water heater has the characteristics of simple structure and small hot water discharge and cold water inlet resistance.
The utility model is realized in the following way: the utility model provides a gas heater circulation supplies out water subassembly which characterized in that: it comprises an integrally formed supply and discharge circulation main body and a one-way valve,
the water supply circulation main body comprises a direct hot water outlet pipe, a transverse circulation pipe and a direct cold water inlet pipe, wherein hot water connectors are respectively arranged at two ends of the direct hot water outlet pipe, and cold water connectors are respectively arranged at two ends of the direct cold water inlet pipe;
the one-way valve is arranged in one end of the transverse circulating pipe and one end of the direct cooling water inlet pipe, and the direction from the direct heating water outlet pipe to the direct cooling water inlet pipe is in a state that the one-way valve is opened.
The circulating water supply and discharge assembly of the gas water heater is characterized in that: a unidirectional valve cavity is arranged in the end of the transverse circulating pipe adjacent to the direct cooling water inlet pipe,
the device also comprises a plug seat plug and a fixing device which are communicated with the direct cooling water inlet pipe;
the plug seat and the transverse circulating pipe are in the same straight line, the one-way valve is arranged in the one-way valve cavity, and the one-way valve is fixed by the fixing device; the clamp spring is embedded with the annular clamping groove, and the screwed plug is screwed with the screwed plug seat and sealed.
The circulating water supply and discharge assembly of the gas water heater is characterized in that: the one-way valve comprises a one-way valve shell, a valve cover, a valve rod, a valve core and a pressure spring,
the closed end of the one-way valve casing is provided with a guide hole and a water inlet hole surrounding the guide hole;
the valve cover comprises a valve rod hole and a water outlet hole arranged around the valve rod hole;
the valve rod is intersected with the valve core and integrally formed, one end of the valve rod is in sliding fit with the guide hole, the other end of the valve rod passes through the pressure spring to be in sliding fit with the valve rod hole, the valve cover is buckled with the one-way valve shell, the pressure spring is matched with the valve cover and the valve core, and the valve core seals the water inlet hole.
The circulating water supply and discharge assembly of the gas water heater is characterized in that: the guide hole and the valve rod hole are regular polygon holes.
The circulating water supply and discharge assembly of the gas water heater is characterized in that: the fixing device comprises a clamp spring and an annular clamping groove arranged on the transverse circulating pipe, and the clamp spring is embedded with the annular clamping groove.
The circulating water supply and discharge assembly of the gas water heater is characterized in that: the fixing device comprises a fixing counter bore and a fixing cover which are arranged at the end part of the transverse circulating pipe, an opening is formed at one end of the fixing cover, a water flow hole is formed in the end plate, and the circumferential wall plate is turned outwards;
the fixed cover is in interference fit with the fixed counter bore.
The circulating water supply and discharge assembly of the gas water heater is characterized in that: the fixing device comprises a push rod arranged on the screwed plug, and a counter bore is arranged at the suspension end of the push rod;
the valve rod penetrates through the valve rod hole to extend out, the suspended end of the ejector rod is attached to the valve cover, and the end part of the valve rod extends into the counter bore and is in sliding fit.
The circulating water supply and discharge assembly of the gas water heater is characterized in that: the inner diameter of the plug seat is larger than the diameter of the unidirectional valve cavity.
The zero cold water gas water heater is characterized in that: the circulating water supply and discharge assembly comprises a main machine, a hot water switch and the circulating water supply and discharge assembly of the gas water heater.
The circulating water supply and discharge assembly of the gas water heater is characterized in that: a unidirectional valve cavity is arranged in the end of the transverse circulating pipe adjacent to the direct cooling water inlet pipe,
the one-way valve is connected with the one-way valve cavity through screws.
The circulating water supply and discharge assembly of the gas water heater has small water flow resistance of the hot water outlet pipe of the circulating main body and the direct cooling water inlet pipe; the sealing performance is good because the sealing device is manufactured by integral molding; compared with the prior art, the structure is simplified, and the cost is reduced.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is one of the exploded perspective views of the present utility model.
FIG. 3 is a second perspective exploded view of the present utility model.
Fig. 4 is a cross-sectional view of a second embodiment of the present utility model.
Fig. 5 is a cross-sectional view of a third embodiment of the present utility model.
Fig. 6 is an exploded perspective view of a third embodiment of the present utility model.
Fig. 7 is a perspective view of a plug according to a third embodiment of the present utility model.
Fig. 8 is a front view of a fourth embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, a gas water heater circulation water supply and discharge assembly comprises a supply and discharge circulation body 1 and a check valve 2 which are integrally formed,
the supply-out circulation main body 1 comprises a direct hot water outlet pipe 11, a transverse circulation pipe 12 and a direct cold water inlet pipe 13, wherein hot water connectors are respectively arranged at two ends of the direct hot water outlet pipe 11, and cold water connectors are respectively arranged at two ends of the direct cold water inlet pipe 13; the feeding and discharging circulation main body 1 is integrally formed by adopting die casting aluminum or copper; the sealing performance is high;
the one-way valve 2 is arranged in one end of the transverse circulating pipe 12 and one end of the direct cooling water inlet pipe 13, and the direction from the direct heating water outlet pipe 11 to the direct cooling water inlet pipe 13 is in an opening state of the one-way valve 2.
A unidirectional valve cavity 121 and an annular clamping groove 122 are arranged in the end of the transverse circulating pipe 12 adjacent to the direct cooling water inlet pipe 13,
the device also comprises a plug seat 14, a plug 3 and a clamp spring 4 which are communicated with the direct cooling water inlet pipe 13;
the plug seat 14 and the transverse circulating pipe 12 are on the same straight line, the plug seat 14 is communicated with the direct cooling water inlet pipe 13, the one-way valve 2 is arranged in the one-way valve cavity 121, the snap spring 4 is embedded with the annular clamping groove 122 to fix the one-way valve 2, and the plug 3 is screwed with the plug seat 14 and sealed. The one-way valve 2 is assembled into the one-way valve cavity 121 through the plug seat 14 and the direct cold water inlet pipe by arranging the plug seat 14, and the one-way valve 2 is fixed by the clamping spring 4, so that the assembly is convenient.
As a further improvement of the utility model: the inside diameter of the plug seat 14 is larger than the diameter of the check valve cavity 121.
As shown in fig. 1, 2 and 3, the check valve 2 includes a check valve housing 21, a valve cap 22, a valve stem 23, a valve core 24 and a pressure spring 25,
the closed end of the one-way valve housing 21 is provided with a guide hole 211 and a water inlet hole 212 surrounding the guide hole 211;
the bonnet 22 includes a valve stem hole 221 and a water outlet hole 222 disposed around the valve stem hole 221;
the valve rod 23 and the valve core 24 are intersected and integrally formed, one end of the valve rod 23 is in sliding fit with the guide hole 211, the other end of the valve rod passes through the pressure spring 25 to be in sliding fit with the valve rod hole 221, the valve cover 22 is buckled with the one-way valve shell 21, the pressure spring 25 is matched with the valve cover 22 and the valve core 24, and the valve core 24 seals the water inlet hole 212. The opposite side of the valve core and the valve cover 22 is provided with a spring seat cavity, and the end part of the pressure spring is positioned in the spring seat cavity, so that the expansion and contraction of the pressure spring 25 along the axis are ensured, and the designed normal coefficient is maintained. The pressure spring 25 overcomes sudden pressure drop of the direct cooling water inlet pipe 13, and balances the pressure difference between the direct cooling water inlet pipe 13 and the hot water outlet pipe 11 to keep the check valve 2 closed; ensuring the temperature of the hot water is unchanged.
The guide hole 211 and the valve rod 221 are regular polygonal holes, the valve rod 23 is cylindrical, the friction resistance is reduced, and the action is fast.
Example 2
As shown in fig. 4, the fixing device comprises a fixing counter bore 123 and a fixing cover 4 which are arranged at the end part of the transverse circulating pipe 12, one end of the fixing cover is opened, the end plate is provided with a water flow hole, and the circumferential wall plate is turned outwards or the opening end is flared;
the fixed cover 4 is in interference fit with the fixed counter bore 123 to fix the one-way valve, the end plate of the closed end of the fixed cover 4 is attached to the valve cover 22, and the water flow hole is communicated with the water inlet hole 212 on the valve cover 22.
Example 3
As shown in fig. 5, 6 and 7, the fixing device comprises a push rod 31 arranged on the plug 3, and a counter bore 311 is arranged at the suspension end of the push rod 31;
the valve rod 23 extends out through a valve rod hole 221 on the valve cover 22, the suspended end of the ejector rod 31 is attached to the valve cover 22, and the end part of the valve rod 23 extends into the counter bore and is in sliding fit.
Example 4
A unidirectional valve cavity 121 is arranged in the end of the transverse circulating pipe 12 adjacent to the direct cooling water inlet pipe 13,
the check valve 2 is in screw connection with the check valve cavity 121.
Example 5
Based on embodiments 1, 2 and 3, as shown in fig. 8, a zero cold water gas water heater comprises a main machine 5, a hot water switch 6 and a gas water heater circulation water supply and discharge assembly as described above;
the main machine 5 comprises a heat exchanger and a water pump 51; the direct cold water inlet pipe 13 is communicated with a water pump and a tap water pipeline, and the direct hot water outlet pipe 11 is communicated with a hot water outlet end of the heat exchanger and the hot water switch 6;
when the utility model is used, the control device of the main machine is operated, the water pump 5 works, the one-way valve 2 is opened, and the water comprises a direct cooling water inlet pipe 13, the water pump 5, a heat exchanger, a direct heating water outlet pipe 11, a transverse circulating pipe 12, the one-way valve 2 and the direct cooling water inlet pipe 13 to form a zero cooling water heating pipeline;
when the water temperature in the zero cold water heating pipeline reaches the set temperature, the water pump 5 stops working, the one-way valve is closed, and the burner continues to work; the hot water switch 6 is turned on, and the shower head flows out hot water with set temperature; cold water enters the heat exchanger through the direct cold water inlet pipe 13 and the water pump 51, and the shower head continuously flows out of hot water with set temperature.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a gas heater circulation supplies water subassembly which characterized in that: it comprises an integrally formed supply and discharge circulation main body and a one-way valve,
the water supply circulation main body comprises a direct hot water outlet pipe, a transverse circulation pipe and a direct cold water inlet pipe, wherein hot water connectors are respectively arranged at two ends of the direct hot water outlet pipe, and cold water connectors are respectively arranged at two ends of the direct cold water inlet pipe;
the one-way valve is arranged in one end of the transverse circulating pipe and one end of the direct cooling water inlet pipe, and the direction from the direct heating water outlet pipe to the direct cooling water inlet pipe is in a state that the one-way valve is opened.
2. The gas water heater circulation water supply and outlet assembly of claim 1, wherein: a unidirectional valve cavity is arranged in the end of the transverse circulating pipe adjacent to the direct cooling water inlet pipe,
the device also comprises a plug seat plug and a fixing device which are communicated with the direct cooling water inlet pipe;
the plug seat and the transverse circulating pipe are in the same straight line, the one-way valve is arranged in the one-way valve cavity, and the one-way valve is fixed by the fixing device; the screwed plug is screwed with the screwed plug seat and sealed.
3. A gas water heater circulation water supply and outlet assembly as defined in claim 2, wherein: the one-way valve comprises a one-way valve shell, a valve cover, a valve rod, a valve core and a pressure spring,
the closed end of the one-way valve casing is provided with a guide hole and a water inlet hole surrounding the guide hole;
the valve cover comprises a valve rod hole and a water outlet hole arranged around the valve rod hole;
the valve rod is intersected with the valve core and integrally formed, one end of the valve rod is in sliding fit with the guide hole, the other end of the valve rod passes through the pressure spring to be in sliding fit with the valve rod hole, the valve cover is buckled with the one-way valve shell, the pressure spring is matched with the valve cover and the valve core, and the valve core seals the water inlet hole.
4. A gas water heater circulation water supply and outlet assembly as claimed in claim 3, wherein: the guide hole and the valve rod hole are regular polygon holes.
5. A gas water heater circulation feed-out assembly according to claim 2, 3 or 4, wherein: the fixing device comprises a clamp spring and an annular clamping groove arranged on the transverse circulating pipe, and the clamp spring is embedded with the annular clamping groove.
6. A gas water heater circulation feed-out assembly according to claim 2, 3 or 4, wherein: the fixing device comprises a fixing counter bore and a fixing cover which are arranged at the end part of the transverse circulating pipe, an opening is formed at one end of the fixing cover, a water flow hole is formed in the end plate, and the circumferential wall plate is turned outwards;
the fixed cover is in interference fit with the fixed counter bore.
7. A gas water heater circulation water supply and outlet assembly as claimed in claim 3, wherein: the fixing device comprises a push rod arranged on the screwed plug, and a counter bore is arranged at the suspension end of the push rod;
the valve rod penetrates through the valve rod hole to extend out, the suspended end of the ejector rod is attached to the valve cover, and the end part of the valve rod extends into the counter bore and is in sliding fit.
8. A gas water heater circulation water supply and outlet assembly as defined in claim 2, wherein: the inner diameter of the plug seat is larger than the diameter of the unidirectional valve cavity.
9. A gas water heater circulation water supply and outlet assembly as defined in claim 2, wherein: a unidirectional valve cavity is arranged in the end of the transverse circulating pipe adjacent to the direct cooling water inlet pipe,
the one-way valve is connected with the one-way valve cavity through screws.
10. A zero cold water gas water heater, characterized by: a gas water heater cycle water supply and outlet assembly comprising a main machine, a hot water switch and a gas water heater as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320716401.1U CN219639545U (en) | 2023-04-03 | 2023-04-03 | Gas water heater circulation water supply and discharge assembly and zero cold water gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320716401.1U CN219639545U (en) | 2023-04-03 | 2023-04-03 | Gas water heater circulation water supply and discharge assembly and zero cold water gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639545U true CN219639545U (en) | 2023-09-05 |
Family
ID=87822496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320716401.1U Active CN219639545U (en) | 2023-04-03 | 2023-04-03 | Gas water heater circulation water supply and discharge assembly and zero cold water gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639545U (en) |
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2023
- 2023-04-03 CN CN202320716401.1U patent/CN219639545U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |