CN108626886A - Water inlet and outlet insulation structure of water heater - Google Patents
Water inlet and outlet insulation structure of water heater Download PDFInfo
- Publication number
- CN108626886A CN108626886A CN201710165132.3A CN201710165132A CN108626886A CN 108626886 A CN108626886 A CN 108626886A CN 201710165132 A CN201710165132 A CN 201710165132A CN 108626886 A CN108626886 A CN 108626886A
- Authority
- CN
- China
- Prior art keywords
- sealing element
- water
- wall
- water heater
- pipe
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000009413 insulation Methods 0.000 title claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 102
- 238000009434 installation Methods 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to a water inlet and outlet insulation structure of a water heater, which comprises a water pipe, a sleeve pipe and an insulation pipe, wherein the sleeve pipe is sleeved outside the water pipe and is fixed on an inner container in a sealing mode, the insulation pipe is sleeved outside the sleeve pipe, an annular sealing element is arranged between the sleeve pipe and the water pipe, the sealing element is composed of an upper portion and a lower portion, the lower portion of the sealing element extends into a central through hole of the insulation pipe, and the sealing element is connected with the sleeve pipe and the inner wall of the insulation pipe in a sealing. The invention has simple integral structure and better sealing performance, can not be damaged due to overlarge pretightening force, and effectively solves the problem of water leakage between the insulating pipe and the water inlet and outlet pipes of the inner container water tank.
Description
Technical field
The present invention relates to a kind of water heater, more particularly to a kind of water heater inlet and outlet pipes insulation system belongs to water heater system
Make technical field
Background technology
Storage-type electric water heater with anti-electricity wall is needed to fit into water outlet insulation tube in liner inlet and outlet pipes, it is existing
At some water heaters, insulation tube and liner water tank inlet and outlet pipes assembly by the way of fibre washer end face seal, such as patent
Number for anti-electricity wall inlet and outlet pipes disclosed in 201520867510.9.The mode of this end face seal, in assembly due to pre-tightening
Power is excessive, is easy to damage by pressure fibre washer, to destroy the sealing of insulation tube and liner water tank inlet and outlet pipes, and then generates
Drainage brings loss to user.
Invention content
The present invention solves the technical problem of provide a kind of simple in structure, sealing performance is more preferable, effectively solves leakage
The water heater Inlet and outlet water insulation system of water problems
To achieve the above object, the technical scheme is that：
A kind of water heater Inlet and outlet water insulation system, including water pipe, be sleeved on outside water pipe and seal the set being fixed on liner
Manage and be sleeved on the insulation tube outside casing, be provided between described sleeve pipe and water pipe annular sealing element, the sealing element by
Upper and lower two parts form, and the lower half portion of the sealing element stretches into the central through hole of the insulation tube, the sealing element with
It is tightly connected between sleeve and the inner wall of insulation tube.
Further, it stretches in the liner at the top of the sealing element top half, is tightly connected between liner.
Further, pass through between the outer wall of the lower half portion of the sealing element and the inner wall of the insulation tube central through hole
The mode of welding realizes sealed connection.
Further, the joining place of the top half of the sealing element and lower half portion is in step-like structure.
Further, seal washer, the sealing are provided between the bottom and insulation tube of the top half of the sealing element
The bottom of the top half of part is pressed on the sealed connection realized on seal washer with the insulation tube.
Further, the bottom of described sleeve pipe is pressed abd fixed on the sealing realized on the seal washer with the insulation tube
Connection.
Further, at least one circle sealing is provided between the outer wall and the inner wall of casing of the sealing element top half
Circle, which is realized, to be tightly connected.
Further, at least one ring for installing sealing ring is provided on the outer wall of the sealing element top half
Shape installation groove, the lower edge of at least one of which installation groove have the flange outwardly protruded.
Further, it is formed between the lower edge of the installation groove and the inner wall of described sleeve pipe wide at the top and narrow at the bottom ladder-like
Gap.
Further, the outer circumference surface of the flange is arc-shaped in vertical direction.
In conclusion a kind of water heater Inlet and outlet water insulation system provided by the invention has such as compared with prior art
Lower advantage：
(1) present invention is sealed by being tightly connected between the top half of sealing element and the inner wall of casing, and by passing through
The central through hole interior sealing connection of insulation tube is inserted into the lower half portion of part, realizes double between sealing element and casing and insulation tube
Radial seal again, not only overall structure is simple, and sealing performance is more preferable, will not damage, have because pretightning force is excessive
Effect solves the seepy question between insulation tube and liner water tank inlet and outlet pipes.
(2) lower edge of the installation groove for installing sealing ring on sealing element is designed as with flange in the present invention
Structure, between sealing element and the inner wall of casing formed stairstepping gap so that sealing element will not be because of cylindricity
Mismachining tolerance causes the failure of sealing ring, can be adapted for the bigger situation of cylindricity error, to be further ensured that sealing
Being reliably connected between part and casing avoids the generation of drainage.
Description of the drawings
Fig. 1 is water heater structure schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of insulation system of the present invention.
As depicted in figs. 1 and 2, water pipe 1, casing 2, insulation tube 3, liner 4, sealing element 5, top half 5a, lower half portion
5b, central through hole 6, sealing ring 7, installation groove 8, flange 9, outer silk inserts 10, seal washer 11, boss 12.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, the present invention provides a kind of water heater Inlet and outlet water insulation system, including water pipe 1,2 and of casing
Insulation tube 3.Wherein, water pipe 1 includes the water inlet pipe and outlet pipe being connected to 4 water tank of liner, in the major part of water pipe 1 stretches to
In the water tank of courage 4, the bottom of water pipe 1 is mounted in casing 2, and water pipe 1 is managed using the PPR of insulation.Casing 2 is sleeved on water pipe 1
The top of outside, casing 2 is fixedly connected with the sealed bottom of liner 4, and insulation tube 3 is then sleeved on the outside of casing 2.Casing 2 with
Realize and be sealedly and fixedly connected that there is external screw thread, insulation tube 3 to have on the outer wall of casing 2 between liner 4 by welding
Internal thread is threadably secured connection between casing 2 and insulation tube 3, to be easy to install and maintain.The bottom of insulation tube 3 has
Outer silk inserts 10 is connect by outer silk inserts 10 with external pipeline (not shown).
Water pipe 1 passes from below through casing 2 and enters in the water tank of liner 4 when mounted, and the outer wall of water pipe 1 is interior with casing 2
The sealing element 5 of annular is provided between wall, it is solid by the welding manner of hot melt between the outer wall and the inner wall of sealing element 5 of water pipe 1
Fixed connection, ensures the sealing between water pipe 1 and sealing element 5.It can also be obtained by integrated injection molding between sealing element 5 and water pipe 1
It arrives, or sealed connection is realized by modes such as ultrasonic bonding.
In the present embodiment, the top of sealing element 5 is wedge shaped and stretches in liner 4, between the opening of 4 bottom of liner
It realizes and is tightly connected by compressing, as first of barrier of water pipe 1 and 4 junction of liner, the phenomenon that avoiding the occurrence of leak,
The top of sealing element 5 can facilitate sealing element 5 that the opening on liner 4 is passed through to be installed using the shape of wedge shape simultaneously.
Sealing element 5 is whole cylindrical in shape, is made of upper and lower two parts, the top half 5a of sealing element 5 and lower half portion
The joining place of 5b is in step-like structure, and the outer diameter of the lower half portion 5b of sealing element 5 is less than the outer diameter of top half 5a.Water pipe 1
Bottom is inserted into top half 5a, has step-like structure on the inner wall of top half 5a, the bottom of water pipe 1 resists
At the step of inner wall, certain sealing is also formed after installation between water pipe 1 and sealing element 5 here, ensure that flow smoothly flows
It is dynamic.The internal diameter of lower half portion 5b is identical as the internal diameter of water pipe 1, ensures that flow smoothly flows out, will not increase the resistance of flow.
The lower half portion 5b of sealing element 5 is extended downwardly into the central through hole 6 of insulation tube 3, the outer wall of lower half portion 5b with
Sealed connection is realized between the inner wall of central through hole 6 by way of sweat soldering.It can also between sealing element 5 and insulation tube 3
Sealed connection is realized by modes such as ultrasonic bonding.
Also it is to be tightly connected between the top half 5a and the inner wall of casing 2 of sealing element 5, in the present embodiment, preferably close
It is provided at least one circle sealing ring 7 between the top half 5a and the inner wall of casing 2 of sealing 5, passes through sealing ring 7 after mounting
Radial seal is realized in close contact between 2 inner wall of casing.In view of the foozle of casing 2 is warded off with actual production technique
Enamel coating it is uneven caused by cylindricity error, be preferably provided with upper and lower two seals 7.In 5 top half 5a of sealing element
Outer wall on be correspondingly arranged there are two the installation groove 8 of annular, two seals 7 are separately mounted in two installation grooves 8.
Wherein, the lower edge of underlying installation groove 8 has the flange 9 outwardly protruded, and flange 9 is so that installation is recessed
The periphery of 8 lower edge of slot formed it is ladder-like, even if formed between the lower edge of installation groove 8 and the inner wall of casing 2 it is upper wide under
Narrow ladder-like gap.
Under hydraulic pressure effect, crimp occurs for first of sealing ring 7 of top, is sealed herein if water pressure is less than
Contact stress between circle 7 and 2 inner wall of casing, that is, form effective static seal, and if the circle of the sealing ring 7 due to top
When column degree error causes seal failure, the sealing ring 7 below that will be subjected to displacement under hydraulic pressure effect, shift to low-pressure side,
Flexible deformation increases, and fills and enclose the ladder-like gap formed between the lower edge of installation groove 8 and the inner wall of casing 2,
Realize effective second sealing.Two seals are combined, and sealing effect is considerably increased, and are ensured between sealing element 5 and casing 2
Connection reliability, efficiently solve the seepy question between insulation tube and liner water tank inlet and outlet pipes.
In the present embodiment, the outer circumference surface of flange 9 is arc-shaped in vertical direction, after mounting so that flange 9 with
The line contact of annulus shape is formed between the inner wall of casing 2 so that sealing element 5 will not cause to seal because of the error of cylindricity
The failure of circle 7, can be adapted for the bigger situation of cylindricity error, to be further ensured that between sealing element 5 and casing 2
Be reliably connected, further avoid the generation of drainage.
The bottom of the top half 5a of sealing element 5 can be directly in close contact at the shaft shoulder of 3 inner diameter of insulation tube variation
It realizes end face seal, is realized between casing 2, sealing element 5 and insulation tube 3 merely with the sealing ring 7 of top half 5a bottoms
Sealing.But in order to further ensure sealing effect, in the present embodiment, in the bottom of the top half 5a of sealing element 5 and insulation tube
Seal washer 11 is additionally provided between 3 shaft shoulder, seal washer 11 preferably uses fibre washer, the bottom of top half 5a
It is pressed on the sealed connection that sealing element 5 and insulation tube 3 are realized on seal washer 11 after mounting.
In the present embodiment, in order to simplify the structure of sealing element 5, keep the lower surface of the lower edge of the installation groove 8 of lower section straight
It connects and is pressed on seal washer 11.Meanwhile the bottom of casing 2 be also pressed on after mounting on seal washer 11 realize casing 2 with
Sealed connection between insulation tube 3.First seal washer 11 is set under sealing element 5 before sealing element 5 and the welding of insulation tube 3
Half part, the shaft shoulder after being inserted in insulation tube 3 at the variation in diameter of insulation tube 3, which blocks, makes seal washer 11 not fall down.
With seal washer 11 coordinate insulation tube 3 the shaft shoulder at have boss 12 protruding upward, after mounting, boss 12 from it is lower to
Upper compression seal washer 11 further realizes the sealing between casing 2, sealing element 5 and insulation tube 3.
In this implementation column, two seals 7 are set between the top half 5a and the inner wall of casing 2 of sealing element 5, are realized
Radial seal between the top half 5a and casing 2 of sealing element 5, the center of the lower half portion 5b and insulation tube 3 of sealing element 5
Also using being tightly connected between the inner wall of through-hole 6, realize that the radial direction between the lower half portion 5b and insulation tube 3 of sealing element 5 is close
Envelope, meanwhile, seal washer 11 is also set up between sealing element 5, casing 2 and insulation tube 3 realizes end face seal.
When installation, insulation tube 3 is screwed on casing 2, in the case where pre-tightening force effect, casing 2 compresses seal washer 11, rises
It is acted on to end face seal, meanwhile, multiple tracks radial seal is formed between sealing element 5 and casing 2 and insulation tube 3.Using this more
The mode of resealing, when seal washer 11 is subject to crushing, still have multi-sealing structure realize insulation tube 3 and 4 water tank of liner into
Sealing between outlet pipe ensures the sealing performance between water pipe 1, casing 2 and insulation tube 3, thoroughly solves seepy question.
In addition, the bottom of sealing element 5 is pushed down at the shaft shoulder of seal washer 11, while the installation groove that sealing ring 7 will be installed
8 lower edge is designed as having arc-shaped 9 structure of flange and forms the gap of special stairstepping with the inner wall of casing 2,
So that sealing element 5 will not cause the failure of sealing ring 7 because of the mismachining tolerance of cylindricity, it can be adapted for cylindricity error ratio
Larger situation effectively avoids insulation tube 3 and liner to be further ensured that being reliably connected between sealing element 5 and water pipe 1
The phenomenon that appearance leak between water tank inlet and outlet pipes.
As described above, the plan content in conjunction with given by attached drawing, can derive similar technical solution.In every case it is not
Be detached from technical solution of the present invention content, according to the technical essence of the invention to made by above example it is any it is simple modification,
Equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of water heater Inlet and outlet water insulation system, including water pipe, it is sleeved on outside water pipe and seals the casing being fixed on liner
And it is sleeved on the insulation tube outside casing, it is characterised in that：The sealing element of annular is provided between described sleeve pipe and water pipe, it is described
Sealing element is made of upper and lower two parts, and the lower half portion of the sealing element is stretched into the central through hole of the insulation tube, described
It is tightly connected between sealing element and the inner wall of sleeve and insulation tube.
2. water heater Inlet and outlet water insulation system according to claim 1, it is characterised in that：The sealing element top half
Top stretches in the liner, is tightly connected between liner.
3. water heater Inlet and outlet water insulation system according to claim 1, it is characterised in that：The lower half portion of the sealing element
Outer wall and the inner wall of the insulation tube central through hole between by welding realize be tightly connected.
4. water heater Inlet and outlet water insulation system according to claim 1, it is characterised in that：The top half of the sealing element
Joining place with lower half portion is in step-like structure.
5. water heater Inlet and outlet water insulation system according to claim 4, it is characterised in that：The top half of the sealing element
Bottom and insulation tube between be provided with seal washer, the bottom of the top half of the sealing element is pressed on seal washer real
Now with the sealed connection of the insulation tube.
6. water heater Inlet and outlet water insulation system according to claim 5, it is characterised in that：The bottom of described sleeve pipe compresses solid
It is scheduled on the sealed connection realized on the seal washer with the insulation tube.
7. water heater Inlet and outlet water insulation system according to claim 1, it is characterised in that：In the sealing element top half
Outer wall and the inner wall of casing between be provided at least one circle sealing ring realize be tightly connected.
8. water heater Inlet and outlet water insulation system according to claim 7, it is characterised in that：In the sealing element top half
Outer wall on be provided at least one annular mounting recess for installing sealing ring, at least one of which installation groove it is following
Edge has the flange outwardly protruded.
9. water heater Inlet and outlet water insulation system according to claim 8, it is characterised in that：The lower edge of the installation groove
Ladder-like gap wide at the top and narrow at the bottom is formed between the inner wall of described sleeve pipe.
10. water heater Inlet and outlet water insulation system according to claim 8, it is characterised in that：The outer circumference surface of the flange
It is arc-shaped in vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165132.3A CN108626886B (en) | 2017-03-20 | 2017-03-20 | Water heater business turn over water insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165132.3A CN108626886B (en) | 2017-03-20 | 2017-03-20 | Water heater business turn over water insulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108626886A true CN108626886A (en) | 2018-10-09 |
| CN108626886B CN108626886B (en) | 2023-10-24 |
Family
ID=63686394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710165132.3A Active CN108626886B (en) | 2017-03-20 | 2017-03-20 | Water heater business turn over water insulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108626886B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2304697A1 (en) * | 1973-01-31 | 1974-08-15 | Georg Walz | INSULATED PIPE COUPLING AND METHOD OF MANUFACTURING THEREOF |
| US4972967A (en) * | 1990-01-16 | 1990-11-27 | Soltech, Inc. | Water heater construction and sealing device therefor |
| US5509566A (en) * | 1988-04-04 | 1996-04-23 | Soltech, Inc. | Water heater construction and sealing device therefor |
| AU5427101A (en) * | 2000-07-13 | 2002-01-17 | Rheem Australia Pty Limited | Heater element |
| DE10242643A1 (en) * | 2002-09-13 | 2004-03-25 | Heatec Thermotechnik Gmbh | Hot water generator has coiled tube inside chamber divided by insulating body into two interior parts, with burner, support tubes standing o n protuberances on base dish with seal |
| WO2010069107A1 (en) * | 2008-12-17 | 2010-06-24 | 海尔集团公司 | Heating unit for water heater |
| CN202133089U (en) * | 2011-06-02 | 2012-02-01 | 海尔集团公司 | Water heater |
| KR101267263B1 (en) * | 2013-01-03 | 2013-05-27 | (주)한도엔지니어링 | Pipe's connecting structure preventing a water leakage |
| CN202973549U (en) * | 2012-11-12 | 2013-06-05 | 广东万和电气有限公司 | Structure for connecting electric water heater with electricity-proof wall |
| CN206739629U (en) * | 2017-03-20 | 2017-12-12 | 青岛经济技术开发区海尔热水器有限公司 | Water inlet and outlet insulation structure of water heater |
-
2017
- 2017-03-20 CN CN201710165132.3A patent/CN108626886B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2304697A1 (en) * | 1973-01-31 | 1974-08-15 | Georg Walz | INSULATED PIPE COUPLING AND METHOD OF MANUFACTURING THEREOF |
| US5509566A (en) * | 1988-04-04 | 1996-04-23 | Soltech, Inc. | Water heater construction and sealing device therefor |
| US4972967A (en) * | 1990-01-16 | 1990-11-27 | Soltech, Inc. | Water heater construction and sealing device therefor |
| AU5427101A (en) * | 2000-07-13 | 2002-01-17 | Rheem Australia Pty Limited | Heater element |
| DE10242643A1 (en) * | 2002-09-13 | 2004-03-25 | Heatec Thermotechnik Gmbh | Hot water generator has coiled tube inside chamber divided by insulating body into two interior parts, with burner, support tubes standing o n protuberances on base dish with seal |
| WO2010069107A1 (en) * | 2008-12-17 | 2010-06-24 | 海尔集团公司 | Heating unit for water heater |
| CN202133089U (en) * | 2011-06-02 | 2012-02-01 | 海尔集团公司 | Water heater |
| CN202973549U (en) * | 2012-11-12 | 2013-06-05 | 广东万和电气有限公司 | Structure for connecting electric water heater with electricity-proof wall |
| KR101267263B1 (en) * | 2013-01-03 | 2013-05-27 | (주)한도엔지니어링 | Pipe's connecting structure preventing a water leakage |
| CN206739629U (en) * | 2017-03-20 | 2017-12-12 | 青岛经济技术开发区海尔热水器有限公司 | Water inlet and outlet insulation structure of water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108626886B (en) | 2023-10-24 |
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