CN104976771B - A kind of gas heater drainage antifreezing device - Google Patents
A kind of gas heater drainage antifreezing device Download PDFInfo
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- CN104976771B CN104976771B CN201510398012.9A CN201510398012A CN104976771B CN 104976771 B CN104976771 B CN 104976771B CN 201510398012 A CN201510398012 A CN 201510398012A CN 104976771 B CN104976771 B CN 104976771B
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- pipe
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- water inlet
- drainpipe
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Abstract
The present invention discloses a kind of gas heater drainage antifreezing device, including：Valve body with valve pocket and the valve element being arranged in valve body；Characterized in that, provided with the water inlet pipe connected with valve pocket, outlet pipe, bypass pipe, drainpipe and U-tube on valve body；The other end of the U-tube is connected with outlet pipe, and the connected entrance of water inlet pipe, outlet pipe, bypass pipe, drainpipe and U-tube and valve pocket is located on same circle；The valve element is provided with the first pipeline and second pipe being mutually communicated；When the first pipeline turns on water inlet pipe and outlet pipe, second pipe is closed by valve body；When the first pipeline connects bypass pipe with U-tube, second pipe is turned on drainpipe.During installation, the other structures without changing combustion gas fast type water heater are easy to install, and any water heater with mainboard can be coordinated to use.During work, only need rotational valve core that the conversion supplied water with drain function can be achieved, to realize that the offer strength that automatically controls of combustion gas fast type water heater is ensured.
Description
Technical field
The present invention relates to fluid heater parts, more particularly to a kind of gas heater drainage antifreezing device.
Background technology
Gas heater is one of indispensable device in people's daily life, for providing the hot water of safety and comfort.It is common
Gas heater can be divided into forced-ventilated, chimney flue type, balanced type by exhaust mode.Either any water heater, in low temperature bar
Under part, the water of internal residual is in solidification, it is easy to internal coil frost broken, cause gas heater to damage.
For cryogenic piping bursting by freezing problem, solution usual at present has：Electrical heating method, manual drainage method.Electrical heating
Method, as the term suggests it is exactly that coil pipe is heated with adding thermal resistance；But on the one hand there is potential safety hazard, the opposing party with electrical heating
The shortcomings of electric energy is expended in face.Manual draining valve carries out manual drainage in time it is necessary to people as main body, there is contingency, and influence is used
Family experience, impression.
The content of the invention
For defect present in prior art, it is an object of the invention to provide simple in construction, the antifreeze draining side of one kind
Just gas heater drainage antifreezing device.
To achieve the above objectives, the present invention is adopted the following technical scheme that.
A kind of gas heater drainage antifreezing device, including：Valve body with valve pocket and the valve element being arranged in valve body；It is special
Levy and be, provided with the water inlet pipe connected with valve pocket, outlet pipe, bypass pipe, drainpipe and U-tube on valve body；The U-tube
The other end is connected with outlet pipe, and the connected entrance of water inlet pipe, outlet pipe, bypass pipe, drainpipe and U-tube and valve pocket is located at together
On one circle；
The valve element is provided with the first pipeline and second pipe being mutually communicated；When the first pipeline is by water inlet pipe and outlet pipe
During conducting, second pipe is closed by valve body；When the first pipeline connects bypass pipe with U-tube, second pipe is led with drainpipe
It is logical.
As a further illustration of the above scheme, the valve body is cylindric, end cap is provided with the end of valve body, in end cap
It is provided with through hole.
As a further illustration of the above scheme, company of the connected entrance of the outlet pipe and valve pocket just to water inlet pipe and valve pocket
Port, the connected entrance of the bypass pipe and valve pocket is just to U-tube and the connected entrance of valve pocket, the connected entrance of the drainpipe and valve pocket
Between water inlet pipe connected entrance and drainpipe connected entrance.
As a further illustration of the above scheme, the drainpipe and the connected entrance of valve pocket are changed to be arranged on water inlet pipe and connected
Between mouth and U-tube connected entrance.
As a further illustration of the above scheme, the drainpipe and the connected entrance of valve pocket are changed to be arranged on outlet pipe and connected
Between mouth and bypass pipe connected entrance.
As a further illustration of the above scheme, first pipeline, second pipe are all straight tube, and second pipe is company
It is connected in the middle part of the first pipeline.
As a further illustration of the above scheme, being additionally provided with sealing ring on the week edge of valve element.
As a further illustration of the above scheme, the water inlet pipe and outlet pipe be serially connected in gas heater enter cold water pipe
On, hot-water outlet pipe's connection of the bypass pipe and gas heater；
When gas water heater working provides hot water, rotated using stepper motor driven valve core, make water inlet pipe and outlet pipe
It is connected by the first pipeline, remaining pipe is blocked by seal spool, cold water can only flow through the first pipeline along water inlet pipe, along
Outlet pipe enters heat exchanger and carries out normal work；
When environment temperature reaches the freezing point of water, stepper motor drives valve core rotation, makes water inlet pipe and water outlet pipe plug
Plug, makes bypass pipe, drainpipe and U-tube are interconnected by two pipelines on valve element, carries out draining.
Compared with prior art, gas heater drainage antifreezing device its advantage for providing of the present invention is：Common combustion
Gas fast water heater can close hot-water outlet pipe after each disposable gas water heater of user, now the water full of residual inside,
Do not turned off according to user's use habit into cold water pipe, if (reaching the solid temperature of water-setting) under cryogenic, combustion will be made
Gas water heater is damaged.So wanting the water of internal residual to arrange quiet it is necessary to be closed cold water pipe is entered, draining is then carried out again, is grasped
Bother, it is difficult to realize automation.And the present invention passes through the integrated water inlet pipe connected with valve pocket, outlet pipe, bypass on valve body
Pipe, drainpipe and U-tube, and the pipeline that can be turned on each pipe connected entrance is set on valve element, only need rotational valve core to can be achieved
The conversion supplied water with drain function, to realize that the offer strength that automatically controls of combustion gas fast type water heater is ensured.During concrete application,
Only it need to enter on cold water pipes to install additional the device in combustion gas fast type water heater, without changing combustion gas fast type water heater
Other structures, it is easy to install, any water heater with mainboard can be coordinated to use.
Brief description of the drawings
Fig. 1 show the drainage antifreezing device structural representation that the present invention is provided.
Fig. 2 show valve body structure schematic diagram；
Fig. 3 show valve core structure schematic diagram；
Fig. 4 show the structural representation of drainage antifreezing device service position；
Fig. 5 show the structural representation of drainage antifreezing device hull-borne.
Description of reference numerals：
1st, valve body, 2, valve element；
11st, water inlet pipe, 12, outlet pipe, 13, bypass pipe, 14, drainpipe, 15, U-tube, 16, end cap, 17, through hole；
21st, the first pipeline, 22, second pipe, 23, sealing ring.
Embodiment
The essence of the present invention is more fully understood for convenience of those skilled in the art, below in conjunction with the accompanying drawings to the specific of the present invention
Embodiment is described in detail.
Embodiment one
As shown in Figure 1-Figure 3, a kind of gas heater drainage antifreezing device, including：Valve body 1 with valve pocket and it is arranged on valve
Valve element 2 in body 1.
Wherein, provided with the water inlet pipe 11 connected with valve pocket, outlet pipe 12, bypass pipe 13, drainpipe 14 and U on valve body 1
Shape pipe 15.The water inlet pipe 11 and outlet pipe 12 are serially connected in the entering on cold water pipe of gas heater, the bypass pipe 13 and combustion gas
Hot-water outlet pipe's connection of water heater, the other end of the U-tube is connected with outlet pipe 12, and water inlet pipe 11, outlet pipe 12, bypass
The connected entrance of pipe 13, drainpipe 14 and U-tube 15 and valve pocket is located on same circle.
The valve element 2 is provided with the first pipeline 21 and second pipe 22 being mutually communicated.When the first pipeline 21 is by water inlet pipe
11 and outlet pipe 12 conducting when, second pipe 22 is closed by valve body 1；When the first pipeline 21 connects bypass pipe 13 with U-tube 15
When, second pipe 22 is turned on drainpipe 14.To ensure the sealing property between valve element 2 and valve pocket, the preferably week of valve element 2 along also
Provided with sealing ring 23.
In the present embodiment, preferably valve body 1 is cylindric, and end cap 16 is provided with the end of valve body 1, provided with logical on end cap 16
Hole 17, in order to which valve element 2 is assembled with valve body 1.
It is preferred that the connected entrance of outlet pipe 12 and valve pocket is just to water inlet pipe 11 and the connected entrance of valve pocket, preferably bypass pipe 13 and valve
The connected entrance of chamber is just to U-tube 15 and the connected entrance of valve pocket, and preferably drainpipe 14 is connected with the connected entrance of valve pocket positioned at water inlet pipe
Mouthful and drainpipe connected entrance between, and with both central angles at 45 °.
It is preferred that the first pipeline 21, second pipe 22 are all straight tube, and second pipe 22 is to be connected to the middle part of the first pipeline 21
And with the first pipeline angle at 45 °.
So, when gas water heater working provides hot water, rotated using stepper motor driven valve core, make the He of water inlet pipe 11
Outlet pipe 12 is connected, and remaining pipe is blocked by seal spool, and cold water can only flow through the first pipeline 21 along water inlet pipe 11, along
Outlet pipe 12 enters heat exchanger and carries out normal work, and working condition is as shown in Figure 4.
As shown in figure 5, when environment temperature reaches the freezing point of water, stepper motor drives valve core rotation, makes water inlet pipe 11
Blocked with outlet pipe 12, bypass pipe 13, drainpipe 14 and U-tube 15 is interconnected by two pipelines on valve element 2.Due to
The Action of Gravity Field of water, draining is carried out by drainpipe 14.
Embodiment two
A kind of gas heater drainage antifreezing device and embodiment one that the present embodiment is provided are basically identical, and difference is,
Drainpipe connected entrance is adjusted between water inlet pipe connected entrance and U-tube connected entrance, and the first pipeline of valve element and second are managed
Road position is adjusted accordingly.
Embodiment three
A kind of gas heater drainage antifreezing device and embodiment one that the present embodiment is provided are basically identical, and difference is,
Drainpipe connected entrance is adjusted between outlet pipe connected entrance and bypass pipe connected entrance, drainpipe connected entrance is connected with outlet pipe
Central angle folded by mouthful is changed to 60 °, and the first pipeline and second pipe position of valve element are adjusted accordingly.
The essence of the present invention is described in detail above embodiment, but can not be come with this to the present invention's
Protection domain is limited.It should be evident that under the enlightenment of essence of the invention, the art those of ordinary skill can also enter
The many improvement of row and modification, such as the central angle angle folded by appropriate adjustment drainpipe connected entrance and other connected entrances, and such as
Change shape of the first pipeline, second pipe etc..It should be noted that these are improved and modification all falls in right of the invention
Within the scope of claimed.
Claims (8)
1. a kind of gas heater drainage antifreezing device, including：Valve body with valve pocket and the valve element being arranged in valve body；Its feature
It is, provided with the water inlet pipe connected with valve pocket, outlet pipe, bypass pipe, drainpipe and U-tube on valve body；The U-tube it is another
One end is connected with outlet pipe, and the connected entrance of water inlet pipe, outlet pipe, bypass pipe, drainpipe and U-tube and valve pocket is located at same circle
On；
The valve element is provided with the first pipeline and second pipe being mutually communicated；When the first pipeline turns on water inlet pipe and outlet pipe
When, second pipe is closed by valve body；When the first pipeline connects bypass pipe with U-tube, second pipe is turned on drainpipe.
2. a kind of gas heater drainage antifreezing device according to claim 1, it is characterised in that the valve body is cylinder
Shape, end cap is provided with the end of valve body, and through hole is provided with end cap.
3. a kind of gas heater drainage antifreezing device according to claim 1, it is characterised in that the outlet pipe and valve
The connected entrance of chamber is just to water inlet pipe and the connected entrance of valve pocket, and the connected entrance of the bypass pipe and valve pocket is just to U-tube and valve pocket
Connected entrance, the connected entrance of the drainpipe and valve pocket is located between water inlet pipe connected entrance and drainpipe connected entrance.
4. a kind of gas heater drainage antifreezing device according to claim 3, it is characterised in that the drainpipe and valve
The connected entrance of chamber is changed to be arranged between water inlet pipe connected entrance and U-tube connected entrance.
5. a kind of gas heater drainage antifreezing device according to claim 3, it is characterised in that the drainpipe and valve
The connected entrance of chamber is changed to be arranged between outlet pipe connected entrance and bypass pipe connected entrance.
6. a kind of gas heater drainage antifreezing device according to claim 1, it is characterised in that first pipeline,
Second pipe is all straight tube, and second pipe is to be connected in the middle part of the first pipeline.
7. a kind of gas heater drainage antifreezing device according to claim 1, it is characterised in that gone back on the week edge of valve element
Provided with sealing ring.
8. a kind of gas heater drainage antifreezing device according to claim 1, it is characterised in that the water inlet pipe and go out
Water pipe is serially connected in the entering on cold water pipe of gas heater, hot-water outlet pipe's connection of the bypass pipe and gas heater；
When gas water heater working provides hot water, rotated using stepper motor driven valve core, pass through water inlet pipe and outlet pipe
First pipeline is connected, and remaining pipe is blocked by seal spool, and cold water can only flow through the first pipeline, along water outlet along water inlet pipe
Pipe enters heat exchanger and carries out normal work；
When environment temperature reaches the freezing point of water, stepper motor drives valve core rotation, makes water inlet pipe and water outlet blockage, makes side
Siphunculus, drainpipe and U-tube are interconnected by two pipelines on valve element, carry out draining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398012.9A CN104976771B (en) | 2015-07-07 | 2015-07-07 | A kind of gas heater drainage antifreezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398012.9A CN104976771B (en) | 2015-07-07 | 2015-07-07 | A kind of gas heater drainage antifreezing device |
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| Publication Number | Publication Date |
|---|---|
| CN104976771A CN104976771A (en) | 2015-10-14 |
| CN104976771B true CN104976771B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510398012.9A Active CN104976771B (en) | 2015-07-07 | 2015-07-07 | A kind of gas heater drainage antifreezing device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979622A (en) * | 2017-04-28 | 2017-07-25 | 广东万家乐燃气具有限公司 | A kind of antifreeze treasured of gas heater with water quality detecting function |
| CN110701379A (en) * | 2019-09-23 | 2020-01-17 | 合肥华升泵阀股份有限公司 | Flow-adjustable anti-medium crystallization pump valve |
| CN113237232B (en) * | 2021-05-24 | 2022-05-20 | 河南工业职业技术学院 | Drainage anti-freezing device for gas water heater |
| CN115264998A (en) * | 2022-07-28 | 2022-11-01 | 广东美的制冷设备有限公司 | Drainage device and heat pump system |
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| GB0300855D0 (en) * | 2002-02-11 | 2003-02-12 | Visteon Global Tech Inc | Rotary valve for single-point coolant diversion in engine cooling system |
| CN2851765Y (en) * | 2005-12-07 | 2006-12-27 | 中山华帝燃具股份有限公司 | Antifreezing drip valve for water heater |
| CN201093097Y (en) * | 2007-06-21 | 2008-07-30 | 德州赛佳电子有限公司 | Solar water heater pipeline anti-freezing valve |
| CN201696668U (en) * | 2010-06-02 | 2011-01-05 | 佛山市日丰企业有限公司 | Frost valve for water heater |
| EP2827031A1 (en) * | 2013-07-15 | 2015-01-21 | ABN Pipe Systems, S.L.U. | Residual water evacuation network |
| CN204880736U (en) * | 2015-07-07 | 2015-12-16 | 广东万家乐燃气具有限公司 | Gas heater drainage antifreezing measures |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9481477B2 (en) * | 2012-09-17 | 2016-11-01 | Life Technologies Corporation | Fluid manifold system with rotatable port assembly |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0300855D0 (en) * | 2002-02-11 | 2003-02-12 | Visteon Global Tech Inc | Rotary valve for single-point coolant diversion in engine cooling system |
| CN2851765Y (en) * | 2005-12-07 | 2006-12-27 | 中山华帝燃具股份有限公司 | Antifreezing drip valve for water heater |
| CN201093097Y (en) * | 2007-06-21 | 2008-07-30 | 德州赛佳电子有限公司 | Solar water heater pipeline anti-freezing valve |
| CN201696668U (en) * | 2010-06-02 | 2011-01-05 | 佛山市日丰企业有限公司 | Frost valve for water heater |
| EP2827031A1 (en) * | 2013-07-15 | 2015-01-21 | ABN Pipe Systems, S.L.U. | Residual water evacuation network |
| CN204880736U (en) * | 2015-07-07 | 2015-12-16 | 广东万家乐燃气具有限公司 | Gas heater drainage antifreezing measures |
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| CN104976771A (en) | 2015-10-14 |
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