CN207487463U - anti-freezing sleeve and water heater - Google Patents
anti-freezing sleeve and water heater Download PDFInfo
- Publication number
- CN207487463U CN207487463U CN201720539492.0U CN201720539492U CN207487463U CN 207487463 U CN207487463 U CN 207487463U CN 201720539492 U CN201720539492 U CN 201720539492U CN 207487463 U CN207487463 U CN 207487463U
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- Prior art keywords
- pipe
- drainpipe
- piston
- water
- freeze box
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 238000007710 freezing Methods 0.000 title abstract description 11
- 230000000740 bleeding effect Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 230000008014 freezing Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 230000002528 anti-freeze Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012279 drainage procedure Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a frostproofing sleeve pipe and water heater, wherein frostproofing sleeve pipe includes: the sleeve pipe main part, the drain pipe, set up water outlet pipe and the water inlet pipe at sleeve pipe main part both ends respectively, the water inlet pipe is located the bottom of sleeve pipe main part, and the water outlet pipe is located sleeve pipe main part's top, and the drain pipe is installed on the water inlet pipe, still includes piston and discharge valve, and piston device is in the drain pipe, and can remove along the length direction of drain pipe in the drain pipe, and discharge valve installs on the water outlet pipe. The utility model has the advantages that: when the system normally operates, water is not stored in the pipe, so that the phenomenon that water stored in the casing pipe cannot be discharged due to freezing failure of the drain pipe can be effectively avoided, and the failure rate of the after-sales casing pipe is reduced; because the method does not use electric auxiliary heat, the method is more energy-saving and environment-friendly; simple structure, the cost control of being convenient for does not relate to complicated control operation simultaneously.
Description
Technical field
The utility model is related to technical field of water heaters, and in particular to a kind of freeze box and water heater.
Background technology
Casing is very common condensing heat-exchange equipment, is widely used in air-source water heater.Winter makes outdoor environment temperature
Very low, casing is usually placed in complete machine in outdoor low temperature environment, and drainpipe is located at sleeve bottom, is drawn inside complete machine
Go out, typically one section of longer pipeline, lead in pipe that for water far from major cycle water route, the mobility of water is weaker, is that casing is antifreeze
Weak link.Since drainpipe is than other positions of casing more easy freezing, it is particularly important so drainpipe is antifreeze.
The water pipe anti-freezing measure being currently known is based primarily upon following principle：(1) mobility of water is improved；(2) using extraneous
Auxiliary heating；(3) the heat preservation heat-insulating property of pipeline is improved；(4) water of storage is excluded in time.
For drainpipe is antifreeze, the mobility for improving water is not easy to realize；And the auxiliary heat of electricity is antifreeze needs to water temperature, circumstance temperature
It is monitored in real time, and needs accurately control, while do not meet the theory of environmental protection and energy saving；Casing is circumscribed with water pipe in itself, no
It is a sealing area, Insulation is not easy to implement；
Since mobility of the water in drainpipe is bad, while drainpipe is located at below casing, close to the position of water inlet.
For direct-heating-type hot water machine, water inlet comes from tap water, and winter tap water temperature is at 10 DEG C hereinafter, outdoor environment temperature is in 0
When below DEG C, drainpipe has existed the risk freezed at this time, and the leaving air temp of usual unit is lower than environment temperature, draining
Pipe will increase its risk freezed by cooling heat transferring.When user needs to carry out water-drainage antifreezing processing to casing, drainpipe
It may freeze, lead to draining tube failure, its due effect can not be played, it is also possible to lead to casing because that can not exclude in time
Internal water and it is freezing.
Utility model content
In order to solve the above-mentioned technical problem, the utility model discloses a kind of freeze box and water heaters, existing to solve
The problem of technology middle sleeve drainpipe fails because freezing, and casing is freezing because can not discharge water in time due to.
One side according to the present utility model provides a kind of freeze box and includes：Casing main body, drainpipe, difference
The water outlet pipe at casing main body both ends and water inlet pipe are arranged on, the water inlet pipe is located at the bottom of described sleeve pipe main body, institute
The top that water outlet pipe is located at described sleeve pipe main body is stated, the drainpipe is mounted on water inlet pipe, further includes piston and exhaust
Valve, the piston apparatus can move in drainpipe in the drainpipe along the length direction of the drainpipe, described
Air bleeding valve is mounted on water outlet pipe.
Further, push-pull rod is further included, described push-pull rod one end is suspended at outside drainpipe, the other end is consolidated with the piston
Fixed connection, the push-pull rod can drive the piston in the draining in-pipe.
Further, discharge opening is offered on the tube wall of the drainpipe.
Further, the distance of the discharge opening and drainpipe free end is not less than the thickness of piston.
Further, the water inlet pipe lower part offers drain pipe port；The drainpipe water inlet end connects with drain pipe port
It connects, the piston has first position and the second position；
When the piston is in first position, the piston is between the discharge opening and the drain pipe port, and institute
It states air bleeding valve and is in closing；
When the piston is in the second position, the piston between the discharge opening and the drainpipe free end,
And the air bleeding valve is in and opens.
Further, it is interference fitted between the piston and draining inside pipe wall.
Further, the air bleeding valve is mounted on the top of water outlet pipe.
Further, the push-pull rod is organic non-metal material.
Further, the push-pull rod is polyurethane material or epoxy resin material.
Other side according to the present utility model additionally provides a kind of water heater, including above-mentioned freeze box.
Principle of the utility model based on syringe, handles the drainpipe of casing.When casing is in normal use
During state, the piston of drainpipe is located at most the inside, and entire drainpipe is in anhydrous state at this time, without considering freezing for drainpipe
Problem；When needing to carry out draining to casing, the piston in drainpipe can be pulled out manually at this time, depositing in drain sleeve
Water.Therefore, the beneficial effects of the utility model are：(1) during system normal operation, not water in pipe, it is possible to prevente effectively from arranging
Water pipe causes water in casing that can not discharge because freezing failure, reduces the failure rate of casing after sale.(2) since the method is not borrowed
Help the auxiliary heat of electricity, be more energy-saving and environmentally friendly.(3) it is simple in structure, convenient for cost control, while it is not related to complicated control operation again.
Description of the drawings
Fig. 1 is the structure diagram of the freeze box of the utility model embodiment；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the drainpipe hull-borne structure diagram of the freeze box of the utility model embodiment；
Fig. 4 is the drainpipe non-displacement condition structure diagram of the freeze box of the utility model embodiment；
Legend：1. casing main body；11. water outlet pipe；111. water outlet；12. water inlet pipe；121. water inlet；122. row
Hose nozzle；2. drainpipe；21. discharge opening；3. piston；4. push-pull rod；5. air bleeding valve.
Specific embodiment
The utility model is described further with reference to embodiment, but is not limited to the content on specification.
Embodiment 1
The utility model discloses a kind of freeze box, including：Casing main body 1, drainpipe 2, fluorine inlet tube, fluorine outlet
Pipe, is separately positioned on the water outlet pipe 11 at 1 both ends of casing main body and water inlet pipe 12, the water inlet pipe at piston 3, air bleeding valve 5
12 are located at the bottom of described sleeve pipe main body 1, and the water outlet pipe 11 is located at the top of described sleeve pipe main body 1, and the drainpipe 2 is pacified
On water inlet pipe 12,3 device of piston, and can be in the drainpipe 2 along the drainpipe in drainpipe 2
Length direction moves, and the air bleeding valve 5 is mounted on water outlet pipe 11.
The utility model installs piston 3 additional in the drainpipe 2 of sleeve bottom water inlet pipe 12, and goes out in the water of cannula tip
Air bleeding valve 5 is installed additional on mouth pipe 11, and when freeze box is not when needing to draining, piston 3 can make by water seal in casing main body 1
Drainpipe 2 is in anhydrous state, without considering 2 frozen problem of drainpipe；When ambient temperature is less than zero degree or less than default temperature
Air bleeding valve 5 when needing to empty in the water in freeze box, is first opened, makes water outlet pipe 11 and atmosphere by degree, so as to draining
With the air pressure balance in water outlet pipe 11 in pipe 2, pull piston 3 that its is made to pull out drainpipe 2 at this time, the water in freeze box passes through
Drainpipe 2 is discharged, and so as to make in casing main body 1, water, the drainpipe for effectively solving freeze box do not freeze failure, freeze box
The freezing problem because can not discharge water in time due to.
It should be noted that after air bleeding valve 5 is opened, piston 3 can be just drawn out when not by atmospheric pressure active force, former
Reason is identical with syringe principle.Also, after air bleeding valve 5 is opened, piston 3 by the static pressure of water, frictional resistance, pulling force it is same
Shi Zuoyong, due to static pressure+pulling force of water>Frictional resistance, therefore can be moved in the comprehensive function lower piston 3 of power to free end
It moves and pulls out.
Embodiment 2
As depicted in figs. 1 and 2, a kind of freeze box, it includes：Casing main body 1, water outlet pipe 11, water inlet pipe 12,
Fluorine inlet tube, fluorine outlet, drainpipe 2, piston 3, push-pull rod 4, air bleeding valve 5,1 one end of described sleeve pipe main body are connected separately with water
Outlet 11 and fluorine inlet tube, 11 upper bottom portion of water outlet pipe are provided with water outlet 111, and 1 other end of casing main body connects respectively
Water inlet pipe 12 and fluorine outlet are connected to, 12 top of water inlet pipe offers water inlet 121, and 12 lower part of water inlet pipe opens up
There is drain pipe port 122；2 water inlet end of drainpipe is connect with drain pipe port 122, and drainpipe 2 is opened on the tube wall of free end
Equipped with discharge opening 21, the distance of the discharge opening 21 to 2 free end of drainpipe is not less than the thickness of piston 3, until the piston 3
Push piston, device are interference fitted in drainpipe 2 between 2 inner wall of drainpipe, during so as to prevent unit normal operation, are prevented
Freeze set tube leakage；Described 4 one end of push-pull rod enters from the free end of drainpipe 2 in drainpipe 2, and be packed on piston 3, push-and-pull
4 other end of bar is suspended at outside drainpipe 2, and push-pull rod 4 is used with some strength, while can resist yield deformation again
Material, preferably using organic non-metal material, preferred epoxy, polyurethane etc., thus both can easily pull out piston 3,
It can be conveniently operated again easily by 3 pushed home of piston, improve working efficiency；The air bleeding valve 5 is pushed up mounted on water outlet pipe 11
Portion.
Embodiment 2 increases push-pull rod 4 on the basis of embodiment 1, is also opened in 12 lower part of water inlet pipe of freeze box
If drain pipe port 122,2 water inlet end of drainpipe connect, and sluicing is opened up on the tube wall of drainpipe 2 with drain pipe port 122
Hole 21, piston 3 has first position and the second position, when piston 3 is in first position, is let out as shown in figure 4, piston 3 is located at
Between the mouth of a river 21 and drain pipe port 122, air bleeding valve 5 is closed at this time, and piston 3 can be by water seal in casing main body 1, drainpipe 2
It is communicated in anhydrous state, and with outside air, does not freeze danger；When ambient temperature reaches 0 DEG C hereinafter, system circulation
It when water pump is not opened, needs to empty the water in casing main body 1, anti-frost protection is carried out to freeze box, it is necessary first to open antifreeze
Air bleeding valve 5 at casing water outlet pipe 11, then piston 3 is moved to the second position, as shown in figure 3, piston 3 is located at discharge opening
Between 21 and 2 free end of drainpipe, drain hole 21 and extraneous unicom, the flow in casing main body 1 pass through discharge opening 21 and smoothly arrange
Go out to outside, so as to make in casing main body 1 not water, effectively solve freeze box drainpipe freeze failure, freeze box because
Can not water be discharged in time and freezing problem.
It should be noted that since the distance of discharge opening 21 and 2 free end of drainpipe is more than the thickness of piston 3, so as to protect
Having demonstrate,proved piston 3 in drainage procedure still can be trapped in drainpipe 2, without piston 3 is pulled out 2 draining of drainpipe, eliminate
The troublesome operation of piston 3 is installed repeatedly, also, piston 3 is controlled to be moved between first position and the second position by push-pull rod 4,
Simpler convenience improves working efficiency.
In drainage procedure, force analysis is carried out to piston：P0 represents atmospheric pressure, i.e. 0.1MPa；G represents the static pressure of water
Power；F expressions are applied to the pulling force on push-pull rod；F represents the frictional force between thrust sliding block and drainpipe wall surface.
Freeze box top air bleeding valve 5 is opened, and 3 outside of piston is equally communicated with air, and stress is cancelled out each other.So piston
The static pressure of water, frictional resistance, pulling force comprehensive function under be opened, only need to meet F+G>F, this original with syringe
Reason is likewise, therefore, the air bleeding valve 5 for having to first open freeze box before piston 3 is pulled, if freeze box top is arranged
Air valve 5 is not switched on, and being equivalent to the atmospheric pressure for acting on 3 outside of piston does not have power to offset therewith, and user will be unable to draw at this time
Dynamic push-pull rod 4, just as the needle mouth for having blocked syringe, outside pull syringe, it is clear that this is that drawing is motionless.
After the completion of draining, the water inlet for pushing push-pull rod 4 that piston 3 is pushed into drainpipe 2 is needed, at this time entire drainpipe
Again it is in state shown in Fig. 4.
Principle of the utility model based on syringe, handles the drainpipe of freeze box.When freeze box is in
During normal operating condition, the piston of drainpipe is located at most the inside, and entire drainpipe is in anhydrous state at this time, without considering draining
The frozen problem of pipe；When needing to carry out draining to freeze box, the piston 3 in drainpipe 2 can be pulled out manually at this time, arranged
Go out the water in freeze box.
The invention also discloses a kind of water heater, the water heater includes above-mentioned freeze box.
The utility model advantageous effect is：(1) during system normal operation, not water in pipe, it is possible to prevente effectively from draining
Guan Yin, which freezes failure, causes water in freeze box that can not discharge, and reduces the failure rate of freeze box after sale.(2) due to the method
Not by means of the auxiliary heat of electricity, it is more energy-saving and environmentally friendly.(3) it is simple in structure, convenient for cost control, while it is not related to complicated control again
Operation.
Obviously, the above embodiment of the utility model is only intended to clearly illustrate the utility model example,
And it is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, it is stated upper
It can also be made other variations or changes in different ways on the basis of bright.Here all embodiments can not be given thoroughly
It lifts.It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
Protection domain row.
Claims (10)
1. a kind of freeze box, including：Casing main body (1), drainpipe (2), the water that is separately positioned on casing main body (1) both ends go out
Mouth pipe (11) and water inlet pipe (12), the water inlet pipe (12) is positioned at the bottom of described sleeve pipe main body (1), the water outlet pipe
(11) positioned at the top of described sleeve pipe main body (1), the drainpipe (2) is on water inlet pipe (12), which is characterized in that also
Including piston (3) and air bleeding valve (5), piston (3) device is interior in drainpipe (2), and can be on the drainpipe (2) interior edge
The length direction movement of the drainpipe, the air bleeding valve (5) is on water outlet pipe (11).
2. freeze box according to claim 1, which is characterized in that further include push-pull rod (4), the push-pull rod (4) one
End be suspended at drainpipe (2) outside, the other end be fixedly connected with the piston (3), the push-pull rod (4) can drive the piston
In the draining in-pipe.
3. freeze box according to claim 1 or 2, which is characterized in that offer and let out on the tube wall of the drainpipe (2)
The mouth of a river (21).
4. freeze box according to claim 3, which is characterized in that the discharge opening (21) and drainpipe (2) free end
Distance be not less than piston (3) thickness.
5. freeze box according to claim 3, which is characterized in that water inlet pipe (12) lower part offers drainpipe
Mouth (122)；Drainpipe (2) water inlet end is connect with drain pipe port (122), and the piston (3) has first position and second
Position；
When the piston is in first position, the piston between the discharge opening (21) and the drain pipe port (122),
And the air bleeding valve (5) is in closing；
When the piston is in the second position, the piston be located at the discharge opening (21) and the drainpipe (2) free end it
Between, and the air bleeding valve (5) is in opening.
6. freeze box according to claim 1, which is characterized in that interference between the piston (3) and drainpipe (2) inner wall
Cooperation.
7. freeze box according to claim 1, which is characterized in that the air bleeding valve (5) is mounted on water outlet pipe (11)
Top.
8. the freeze box described in claim 2, which is characterized in that the push-pull rod (4) is organic non-metal material.
9. freeze box according to any one of claims 8, which is characterized in that the push-pull rod (4) is polyurethane material or epoxy resin
Material.
10. a kind of water heater, which is characterized in that including the freeze box described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720539492.0U CN207487463U (en) | 2017-05-15 | 2017-05-15 | anti-freezing sleeve and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720539492.0U CN207487463U (en) | 2017-05-15 | 2017-05-15 | anti-freezing sleeve and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207487463U true CN207487463U (en) | 2018-06-12 |
Family
ID=62483975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720539492.0U Active CN207487463U (en) | 2017-05-15 | 2017-05-15 | anti-freezing sleeve and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207487463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179011A (en) * | 2017-05-15 | 2017-09-19 | 珠海格力电器股份有限公司 | Anti-freezing sleeve and water heater |
-
2017
- 2017-05-15 CN CN201720539492.0U patent/CN207487463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179011A (en) * | 2017-05-15 | 2017-09-19 | 珠海格力电器股份有限公司 | Anti-freezing sleeve and water heater |
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| GR01 | Patent grant |