CN212842259U - Water return prevention structure of water heater - Google Patents
Water return prevention structure of water heater Download PDFInfo
- Publication number
- CN212842259U CN212842259U CN202020854643.3U CN202020854643U CN212842259U CN 212842259 U CN212842259 U CN 212842259U CN 202020854643 U CN202020854643 U CN 202020854643U CN 212842259 U CN212842259 U CN 212842259U
- Authority
- CN
- China
- Prior art keywords
- water
- valve core
- prevention valve
- return
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model belongs to the water heater field provides a return water structure is prevented to water heater, include: a housing; the water tank is movably inserted into the shell, a water outlet hole is formed in the water tank, and a lower pressing plate is arranged at the lower end of the water tank; the water storage barrel is detachably connected with the shell, and is provided with a water inlet hole which is communicated with the water outlet hole; the water return prevention valve core is movably inserted into the water inlet hole, the lower pressing plate movably abuts against the upper end of the water return prevention valve core, and a first sealing block is arranged at the lower end of the water return prevention valve core; when the water tank is drawn out from the shell, the backwater prevention valve core can move upwards until the first sealing block abuts against the water inlet hole. Compared with the prior art, the utility model has the advantages of this water heater prevents that the return water structure takes out behind the water tank just, prevents that return water case and leak protection water case can plug up inlet opening and apopore respectively, guarantees that the water in water tank and the water storage section of thick bamboo can not leak to in the casing, prevents that the electronic component in the casing from short circuit damage.
Description
Technical Field
The utility model belongs to the water heater field, concretely relates to return water structure is prevented to water heater.
Background
A water dispenser capable of instantly heating drinking water in a flowing state is called a rapid-heating type water dispenser, and is also called a rapid-heating type water dispenser, an instant-heating type water dispenser or an instant-heating type water dispenser. The operation mode of the quick-heating type water fountain is as follows: when a user takes hot water, a switch on the instant heating type water fountain is turned on, the electric heater is powered on instantly, water flows in from a water inlet hole of the electric heater and is gradually heated in the flowing process inside the electric heater, when the water flows to a water outlet of the electric heater, the water temperature reaches a set temperature and then flows out from a hot water outlet of the instant heating type water fountain, the water tank needs to be cleaned and replaced when the water heater is used for a long time, the water in the water heater needs to be emptied firstly when the water tank is detached in the existing water heater, the situations that the water in the water heater flows back to the inside of the water heater to cause short circuit and the like are avoided, and the.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to the current situation of prior art, and provide a return water structure is prevented to water heater.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a water heater prevents return water structure includes: a housing;
the water tank is movably inserted into the shell, a water outlet hole is formed in the water tank, and a lower pressing plate is arranged at the lower end of the water tank;
the water storage cylinder is detachably connected with the shell, a water inlet is formed in the water storage cylinder, and the water inlet is communicated with the water outlet;
the water return prevention valve core is movably inserted into the water inlet hole, the lower pressing plate movably abuts against the upper end of the water return prevention valve core, and a first sealing block is arranged at the lower end of the water return prevention valve core;
when the water tank is drawn away from the shell, the backwater prevention valve core can move upwards until the first sealing block abuts against the water inlet hole.
In the above-mentioned water return structure is prevented to water heater, a water storage section of thick bamboo upper end is provided with the installation notch, the inlet opening set up in the installation notch, prevent that the backwater case activity set up in the installation notch and run through the inlet opening, the holding down plate insert extremely in the installation notch.
In the above water heater backwater prevention structure, a first spring is sleeved on the backwater prevention valve core, and the first spring is located in the installation notch.
In the water return prevention structure of the water heater, the water outlet hole is movably inserted with the water leakage prevention valve core, the upper end of the water leakage prevention valve core is provided with the second sealing block, the upper end of the water return prevention valve core is provided with the abutting column, and the abutting column movably abuts against the lower end of the water leakage prevention valve core.
In the water return prevention structure of the water heater, the water return prevention valve core is sleeved with a second spring, the upper end of the second spring is abutted against the lower end face of the water tank, and the lower end of the second spring is connected with the water return prevention valve core.
Compared with the prior art, the utility model has the advantages of this water heater prevents that the return water structure takes out behind the water tank just, prevents that return water case and leak protection water case can plug up inlet opening and apopore respectively, guarantees that the water in water tank and the water storage section of thick bamboo can not leak to in the casing, prevents that the electronic component in the casing from short circuit damage.
Drawings
FIG. 1 is a sectional view of the water heater water return prevention structure;
FIG. 2 is a perspective view of the cartridge;
fig. 3 is a sectional view of the water storage cartridge.
FIG. 4 is a perspective view of the water tank;
fig. 5 is a sectional view of the water tank.
In the figure, 1, a housing; 2. a water tank; 3. a water outlet hole; 4. a lower pressing plate; 5. a water storage cylinder; 6. a water inlet hole; 7. a backwater prevention valve core; 8. a first seal block; 9. a mounting recess; 10. a first spring; 11. a water leakage prevention valve core; 12. a second spring; 13. a second seal block; 14. against the post.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, the water heater backwater prevention structure comprises: a housing 1; the water tank 2 is movably inserted into the shell 1, a water outlet hole 3 is formed in the water tank 2, and a lower pressing plate 4 is arranged at the lower end of the water tank 2; the water storage cylinder 5 is detachably connected with the shell 1, a water inlet 6 is formed in the water storage cylinder 5, and the water inlet 6 is communicated with the water outlet 3; the backwater preventing valve core 7 is movably inserted into the water inlet hole 6, the lower pressing plate 4 movably abuts against the upper end of the backwater preventing valve core 7, and a first sealing block 8 is arranged at the lower end of the backwater preventing valve core 7; when the water tank 2 is drawn out of the shell 1, the backwater prevention valve core 7 can move upwards until the first sealing block 8 abuts against the water inlet hole 6.
The water tank 2 is movably arranged in the shell 1, the lower end of the water tank 2 is provided with a water outlet hole 3, the water outlet hole 3 is communicated with the water inlet hole 6, and then water in the water tank 2 can enter the water storage cylinder 5 through the water outlet hole 3.
Be provided with in inlet opening 6 and prevent return water case 7, 2 lower extremes of water tank are provided with holding down plate 4, and holding down plate 4 supports and leans on in preventing return water case 7 upper end, prevents that return water case 7 lower extreme is provided with first sealed piece 8, because the position of water tank 2 is unchangeable, so first sealed piece 8's position can not change yet this moment, and then can make the water route circulate.
When taking out water tank 2 from casing 1, holding down plate 4 follows water tank 2 rebound, prevents that return water case 7 no longer receives the holding down force this moment, and then prevents return water case 7 rebound and lean on in inlet opening 6 until first sealed piece 8 to can guarantee that the water in the water storage section of thick bamboo 5 can not flow back to in the casing 1 through inlet opening 6.
An installation notch 9 is formed in the upper end of the water storage cylinder 5, the water inlet hole 6 is formed in the installation notch 9, the backwater prevention valve core 7 is movably arranged in the installation notch 9 and penetrates through the water inlet hole 6, and the lower pressing plate 4 is inserted into the installation notch 9.
When installing water tank 2 in casing 1, holding down plate 4 can insert to in the installation notch 9, and prevent that return water case 7 also sets up in installation notch 9, can guarantee like this that installation water tank 2 can both be accurate will prevent that return water case 7 opens at every turn.
The water return prevention valve core 7 is sleeved with a first spring 10, and the first spring 10 is located in the installation notch 9.
When water tank 2 installed in casing 1, holding down plate 4 drives and prevents return water case 7 downstream for inlet opening 6 is kept away from to first sealed piece 8, and first spring 10 is compressed this moment, when taking out water tank 2 from casing 1, holding down plate 4 no longer applys the holding down force to preventing return water case 7, and the elasticity of first spring 10 can drive and prevent return water case 7 rebound this moment, supports tightly in inlet opening 6 until first sealed piece 8.
A water leakage prevention valve core 11 is movably inserted in the water outlet hole 3, a second sealing block 13 is arranged at the upper end of the water leakage prevention valve core 11, a supporting column 14 is arranged at the upper end of the water return prevention valve core 7, and the supporting column 14 movably supports against the lower end of the water leakage prevention valve core 11.
When packing into casing 1 with water tank 2 in, lean on post 14 and can lean on in leak protection water case 11 lower extreme, along with inserting of water tank 2, lean on post 14 and can restrict leak protection water case 11 downstream, and then make leak protection water case 11 open, then water tank 2 continues downstream, and lower clamp plate 4 can lean on in preventing return water case 7 upper end, and then can make and prevent return water case 7 downstream.
The second spring 12 is sleeved on the water leakage prevention valve core 11, the upper end of the second spring 12 is abutted against the lower end face of the water tank 2, and the lower end of the second spring 12 is connected with the water leakage prevention valve core 11.
When the water tank 2 is taken out of the housing 1, the abutting column 14 is no longer abutted against the lower end of the water leakage prevention valve core 11, and at the moment, the elastic force of the second spring 12 can drive the water leakage prevention valve core 11 to move downwards until the second sealing block 13 abuts against the water outlet hole 3 tightly.
The backwater prevention valve core 7 and the water leakage prevention valve core 11 are hollow cross-shaped cylinders so as to ensure that a water path can normally circulate when the backwater prevention valve core 7 and the water leakage prevention valve core 11 are opened.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a water heater prevents return water structure which characterized in that includes:
a housing;
the water tank is movably inserted into the shell, a water outlet hole is formed in the water tank, and a lower pressing plate is arranged at the lower end of the water tank;
the water storage cylinder is detachably connected with the shell, a water inlet is formed in the water storage cylinder, and the water inlet is communicated with the water outlet;
the water return prevention valve core is movably inserted into the water inlet hole, the lower pressing plate movably abuts against the upper end of the water return prevention valve core, and a first sealing block is arranged at the lower end of the water return prevention valve core;
when the water tank is drawn away from the shell, the backwater prevention valve core can move upwards until the first sealing block abuts against the water inlet hole.
2. The water heater backwater prevention structure of claim 1, wherein an installation notch is formed in an upper end of the water storage cylinder, the water inlet hole is formed in the installation notch, the backwater prevention valve core is movably arranged in the installation notch and penetrates through the water inlet hole, and the lower pressure plate is inserted into the installation notch.
3. The water return prevention structure of the water heater according to claim 2, wherein a first spring is sleeved on the water return prevention valve core, and the first spring is located in the installation notch.
4. The water heater backwater prevention structure of claim 3, wherein a water leakage prevention valve core is movably inserted on the water outlet hole, a second sealing block is arranged at the upper end of the water leakage prevention valve core, a support column is arranged at the upper end of the backwater prevention valve core, and the support column is movably supported against the lower end of the water leakage prevention valve core.
5. The water return prevention structure of the water heater according to claim 4, wherein a second spring is sleeved on the water return prevention valve core, the upper end of the second spring abuts against the lower end face of the water tank, and the lower end of the second spring is connected with the water return prevention valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020854643.3U CN212842259U (en) | 2020-05-20 | 2020-05-20 | Water return prevention structure of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020854643.3U CN212842259U (en) | 2020-05-20 | 2020-05-20 | Water return prevention structure of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212842259U true CN212842259U (en) | 2021-03-30 |
Family
ID=75167378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020854643.3U Active CN212842259U (en) | 2020-05-20 | 2020-05-20 | Water return prevention structure of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212842259U (en) |
-
2020
- 2020-05-20 CN CN202020854643.3U patent/CN212842259U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110906029B (en) | Reversing valve for water heater, water mixing device and water heater | |
| CN212842259U (en) | Water return prevention structure of water heater | |
| CN101576281B (en) | Built-in waterway module with double-feeding and single-discharging switch for sealing component | |
| CN110906556B (en) | Water mixing device for water heater, water heater and water mixing method of water heater | |
| CN216339862U (en) | Functional structure of pipeline | |
| CN214222085U (en) | Convenient disassembly and assembly bypass valve without clamping wire | |
| CN209952391U (en) | Push-in type water stop valve installed in water circuit board | |
| CN210088082U (en) | Water flow one-way valve and gas water heater | |
| CN221122542U (en) | Backwater device and water heater | |
| CN209943600U (en) | Low-resistance backflow preventer | |
| CN215290407U (en) | Electric heating faucet with electricity-proof wall | |
| CN112156557A (en) | Filter and hot water equipment with from water locking function | |
| CN208640418U (en) | Fill the water rod structure and the drinking equipment including it | |
| CN219366888U (en) | Automatic water supplementing water inlet valve and heat supply module | |
| CN214466290U (en) | Water outlet valve of waterway system | |
| CN217031628U (en) | Water-heating blanket host machine is with waterproof to plug terminal subassembly | |
| CN218208060U (en) | Water inlet valve for wall-mounted furnace and wall-mounted furnace | |
| CN218993707U (en) | Valve group intakes | |
| CN221196213U (en) | End sealing structure of flow valve | |
| CN212076445U (en) | Water route board with filter core seal structure | |
| CN209781100U (en) | modularization fuel filter and engine assembly | |
| CN214944485U (en) | Oil filter | |
| CN216048330U (en) | Electric shock prevention device with current limiting function and electric water heater using same | |
| CN219914536U (en) | Water flow sensor with pressure relief device | |
| CN214128176U (en) | Novel heating pipe module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |