CN100526750C - Water heater - Google Patents
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- CN100526750C CN100526750C CNB2006101270592A CN200610127059A CN100526750C CN 100526750 C CN100526750 C CN 100526750C CN B2006101270592 A CNB2006101270592 A CN B2006101270592A CN 200610127059 A CN200610127059 A CN 200610127059A CN 100526750 C CN100526750 C CN 100526750C
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Abstract
The present invention discloses a water heater, comprising a shell, a foaming layer, a liner, a water inlet insulating pipe and a water outlet insulating pipe, wherein, a water inlet hole and a water outlet hole are arranged on the shell; the water inlet insulating pipe comprises a water inlet pipe arranged outside the liner of a heater, an inner pipe which is arranged inside the liner and communicated with the water inlet pipe, as well as a casing pipe sleeved outside the inner pipe; the water inlet pipe and the inner pipe are communicated through screws; a gap is formed between the inner pipe and the casing pipe. The present invention is characterized in that: the peripheral wall of the casing pipe is provided with dispersive type water outlet holes; the gap between the lower end of the casing pipe and the inner pipe is provided with a positioning lug boss, which can reinforce the casing pipe and stem water impact to the inner wall of the liner, thus inlet water can have impact force relieved in the gap and then enter into the liner from the dispersive water outlet holes. The present invention is provided with a plurality of positioning ribs on the screws of the water inlet insulating pipe and the water outlet insulating pipe corresponding to the water outlet holes on the shell, which avoids the eccentricity of the water inlet-outlet pipes and the water inlet-outlet holes on the shell.
Description
Technical field
The present invention relates to a kind of water heater, especially a kind of have can alleviate the water inlet impulsive force, make the water heater of the water inlet insulation tube of inner bag positioning function.
Background technology
At present, raising along with people's living standard, water heater has been come into huge numbers of families, though water heater has many types, but major part all has water storage inner bag and water inlet pipe and water outlet pipe, but also there are many problems in existing water inlet pipe, and at first: the injecting process of existing closed storage-type electric water heater is: cold water enters water inlet pipe 4 ' from water inlet pipe water inlet 8 ' along water route (diagram is advanced the cold water direction) as shown in Figure 1, comes out, enters inner bag 3 ' from water inlet pipe delivery port 9 ' then.Because there is pressure (tap water pressure is generally 0.05 one 0.3Mpa) in water inlet (being generally running water), add into water insulation tube internal diameter thin (for about 8mm), so water can have very big impulsive force when the water inlet pipe delivery port flows out, because water inlet pipe delivery port 9 ' is very short from the distance of inner bag inwall 7 ', has only about 40mm, the water that flows out from water inlet pipe delivery port 9 ' will directly impact inner bag inwall 7 ' like this, because these water of effect of reaction force can be by directly upwards bounce-back of inner bag inwall 7 ', impact the upper part of inner bag inwall 7 ', disperse and come.
We know: the flowing water Valve at closed storage-type electric water heater is closed, allow water heater be in the following time of duty of heating, because the density of the water that density is little, temperature is low of the water that temperature is high is big, the high water of temperature this moment can float over the water top, that temperature is low and can sink to the bottom, thus the layering of formation temperature height, the low water (hot cold water) of temperature.If this moment, the user opened the flowing water Valve of water heater, at hot water when outlet pipe 5 ' flows out, cold water will enter water inlet pipe 4 ' from water inlet pipe water inlet 8 ', when cold water when water inlet pipe delivery port 9 ' is gone out, the situation that surface analysis just can occur, flowing water Valve discharge is big more, cold water is just big more from the strength that water inlet pipe delivery port 9 ' impacts inner bag inwall 7 ', cold water is directly just many more to the upper part of water heater liner 3 ' by rebounce, so the layering of whole inner bag 3 ' the inside hot and cold water will be destroyed, inner bag 3 ' top water temperature can descend, even the water that flows out from outlet pipe 5 ' directly is exactly fully not to be heated, the cold water that mixes.If this moment, the user used water heater, the user will feel that water temperature descends rapidly or be sometimes hot and sometimes cold so, and actual hot water may be also a lot of in this moment inner bag, also can waste hot water when bringing inconvenience to the user like this.As,
Application number is that 01269174.7 Chinese patent discloses anti-electric shock type electric water heater, it comprises shell, inner bag, water inlet pipe and water outlet pipe, water outlet bushing pipe and water inlet bushing pipe, wherein, described a kind of water inlet pipe structure is: the sleeve pipe body portion cover dress of straight tube in inner bag of will intaking arranged, and two water pipes are integral type or fix by securing member at its faying face that the water inlet pipe straight tube has through hole near on the tube wall at top, space between two water pipes is a water stream channel, and the delivery port of sleeve pipe lower end communicates with inner bag.
Secondly, existing closed storage-type electric water heater in order to reach good heat insulation effect, generally adopts the integral foam technology.According to present production technology is earlier inner bag 3 ' to be put into outer cover of water heater 1 ', loads onto water inlet pipe 4 ', outlet pipe 5 ' then.In the foaming layer 2 ' between shell 1 ' and inner bag 3 ', inject foamed material (liquid state) again, mixed foamed material is rapid swollen rising at short notice, obviously existing processes has determined foamed material only may inject foaming layer from a direction, this has just caused in the process of foaming bucket in the inner bag, stressed unbalanced of low head, so the position of inner bag 3 ' can be offset, after foamed material solidifies, shell inlet opening 11 ', apopore 10 ' and water inlet pipe 4 ', outlet pipe 5 ' will decentraction (as shown in Figure 2), this causes sizable trouble can for the operation of back, can be cut the magnesium rod by shell such as the electrode on the water inlet insulation tube can't install, anti-electric wall dress show cover and Inlet and outlet water insulation tube join with not just, not under water heater, when changing the magnesium rod, can't unload the generation of problems such as magnesium rod after sale.Cause some inconvenience for production and after-sales service.
In view of this, special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, and a kind of water inlet insulation tube that can alleviate the water inlet impulsive force, make the inner bag positioning function is provided.
Another object of the present invention also is to provide a kind of water heater with above-mentioned water inlet pipe.
For solving the problems of the technologies described above, the present invention adopts the basic design of technical scheme to be: a kind of water heater, comprise shell, foaming layer, inner bag, water inlet insulation tube and water outlet insulation tube, shell is provided with inlet opening and apopore, described water inlet insulation tube, comprise and be located at the outer water inlet pipe of water heater liner, be located at the interior pipe that is communicated with water inlet pipe in the inner bag and be sheathed on the outside sleeve pipe of interior pipe, be connected by the spiral shell head between water inlet pipe and the interior pipe, form the space between interior pipe and the sleeve pipe, it is characterized in that: described sleeve pipe perisporium is provided with the distributing apopore.
One section its tube wall diameter being communicated with water inlet pipe of pipe is less than another section tube wall diameter in described, is provided with the tube wall vary in diameter transition conduit of inverted round table shape in two sections between the pipe.
The pipe top is provided with plug in described, and cannula tip is overlapped with interior pipe top by welding or by the fixedly connected or integral type of securing member and is connected.
Be connected with positioning boss between described casing shoe and the interior pipe, its connected mode connects for welding or by the fixedly connected or integral type of securing member, so that formation one can be alleviated the space of current between sleeve pipe and the interior pipe.
Middle being provided with of pipe is divided into two-part flow distribution plate with interior tube space in described, so that tube cavity forms a folding reciprocation type water route, it is inverted U-shaped that water-flowing path is.
Described flow distribution plate bends in tube wall vary in diameter transition conduit lower end fixedlys connected with interior pipe, in the top, junction is that tube wall vary in diameter transition conduit upper end offers the water inlet pipe delivery port, promptly, the water inlet pipe delivery port places between sleeve pipe and the interior pipe can be alleviated in the space of current, described delivery port is located at apart from the length L and the interior length of tube H of interior pipe lower end and is satisfied 1/3H≤L≤2/3H, pipe centre position in optimum is located at.
A kind of water heater, comprise shell, foaming layer, inner bag, water inlet insulation tube and water outlet insulation tube, shell is provided with inlet opening and apopore, described water inlet insulation tube, comprise and be located at the outer water inlet pipe of water heater liner, be located at the interior pipe that is communicated with water inlet pipe in the inner bag and be sheathed on the outside sleeve pipe of interior pipe, be connected by the spiral shell head between water inlet pipe and the interior pipe, form folding reciprocation type water route between interior pipe and the sleeve pipe, cannula tip is provided with plug, sleeve pipe and interior pipe are located by balancing plug, it is characterized in that: described sleeve pipe perisporium is provided with the distributing apopore.
Described casing pipe sleeve forms the delivery port of space as the circulation of folding reciprocation type water route on interior pipe outside and interior pipe top in the sleeve pipe cavity, water-flowing path is M shape, be connected with positioning boss between casing shoe and the interior pipe, its connected mode connects for welding or by the fixedly connected or integral type of securing member, so that formation one can be alleviated the space of current between sleeve pipe and the interior pipe.
Described distributing apopore is located on the end cover tube wall of contiguous water inlet pipe.
Corresponding outer cover of water heater inlet opening and apopore place are provided with the fixedly positioning bar that is not offset of inner bag of 2 places at least on described water inlet insulation tube and water outlet insulation tube spiral shell head, and optimum is 6 places.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
A kind of water inlet insulation tube that can alleviate the water inlet impulsive force, make the inner bag positioning function of the present invention, comprise and be located at the outer water inlet pipe of water heater liner, be located at the interior pipe that is communicated with water inlet pipe in the inner bag and be sheathed on the outside sleeve pipe of interior pipe, form folding reciprocation type water route between interior pipe and the sleeve pipe, its main feature is that described sleeve pipe perisporium is provided with the distributing apopore.Wherein, be connected with positioning boss between casing shoe and the interior pipe, its connected mode connects for welding or by the fixedly connected or integral type of securing member, so that formation one can be alleviated the space of current between sleeve pipe and the interior pipe.
Adopt the water inlet insulation tube of this structure can effectively prevent cold water in the water insulation tube into when entering inner bag owing to be subjected to outside pressure (tap water pressure), and directly pour the top of inner bag, to such an extent as to destroy cold water, the hot water layering of inner bag inside, thereby guarantee that hot water is at the top in heating, the usefulness process of hot water, cold water reduces the waste of hot water in the bottom.
In addition, the water heater that is provided with said structure of the present invention, also comprise shell, foaming layer, inner bag and water outlet insulation tube, shell is provided with inlet opening and apopore, it is characterized in that: corresponding outer cover of water heater inlet opening and apopore place are provided with the fixedly positioning bar that is not offset of inner bag of 2 places at least on described water inlet pipe and outlet pipe spiral shell head, and optimum is 6 places.It can prevent water heater in the process of production line foaming, and the off-centre of the inner bag water inlet pipe and water outlet pipe that causes and shell Inlet and outlet water pore influences the situation generation of subsequent handling, after-sales service because foamed material sharply expands.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Description of drawings
Fig. 1 is the cross-section structure view of described water heater of prior art and water inlet pipe;
Fig. 2 is the external structure of the described water heater of prior art;
Fig. 3 is the cross-section structure view of water heater of the present invention and water inlet pipe;
Fig. 4 is the external structure of water inlet pipe of the present invention;
Fig. 5 is the cross-section structure view of water inlet pipe of the present invention;
Fig. 6 is the external structure of water heater of the present invention;
Fig. 7 is the cross-section structure view of another embodiment of water inlet pipe of the present invention.
The specific embodiment
As Fig. 3 and shown in Figure 6, water heater of the present invention, comprise shell 1, foaming layer 2, inner bag 3, water inlet insulation tube and water outlet insulation tube 5, shell is provided with inlet opening 11 and apopore 10, the water inlet insulation tube comprises is located at the outer water inlet pipe 4 of water heater liner, be located at the interior pipe 6 that is communicated with water inlet pipe 4 in the inner bag 3, be connected by spiral shell head 17 between water inlet pipe 4 and the interior pipe 6, its main feature is, corresponding outer cover of water heater inlet opening 11 and apopore 10 places are provided with the fixedly positioning bar 18 that is not offset of inner bag 3 of 2 places at least on described water inlet pipe and outlet pipe spiral shell head, and optimum is 6 places.
Extremely shown in Figure 5 as Fig. 3, the water inlet insulation tube that can alleviate the water inlet impulsive force, make the inner bag positioning function of the present invention, the sleeve pipe 12 that also comprises pipe 6 outsides in being sheathed on, form the space between interior pipe 6 and the sleeve pipe 12, its main feature is that described sleeve pipe 12 perisporiums are provided with distributing apopore 13 (consulting Fig. 4).
Water inlet insulation tube structure of the present invention has following characteristics: as Fig. 3 and shown in Figure 5, pipe 6 its tube wall diameters of a section of being communicated with water inlet pipe 4 are provided with the tube wall vary in diameter transition conduit 14 of inverted round table shape in two sections less than another section tube wall diameter in described between the pipe; Pipe 6 tops are provided with plug 20 in described, and sleeve pipe 12 tops are overlapped with interior pipe 6 tops by welding or by the fixedly connected or integral type of securing member and are connected; Be connected with positioning boss 16 between described sleeve pipe 12 bottoms and the interior pipe 6, its connected mode connects for welding or by the fixedly connected or integral type of securing member, so that formation one can be alleviated the space of current between sleeve pipe 12 and the interior pipe 6.
As shown in Figure 7, be another embodiment of water inlet insulation tube of the present invention, its structure comprises the water inlet pipe of being located at outside the water heater liner 34, be located at the interior pipe 3 that is communicated with water inlet pipe 4 in the inner bag 3 and be sheathed on interior sleeve pipe 12 of managing 3 outsides, be connected by spiral shell head 17 between water inlet pipe 4 and the interior pipe 6, form the folding reciprocation type water route of M shape between interior pipe 6 and the sleeve pipe 12, sleeve pipe 12 tops are provided with plug 20, sleeve pipe 12 is located by balancing plug 21 with interior pipe 6, be provided with distributing apopore 13 in described sleeve pipe 12 perisporiums, described distributing apopore 13 is excellent to be located on an end sleeve pipe 12 tube walls of contiguous water inlet pipe 4.
Water feed apparatus of the present invention and discharging device are insulating materials.
Water heater of the present invention puts sleeve pipe 12 in the outside of water inlet insulation tube, has increased apopore 13 in the bottom of sleeve pipe 12; On the water inlet insulation tube, increased sleeve pipe positioning boss 16; On the spiral shell head 17 of water inlet insulation tube, increased by 6 place's positioning bars 18 (consulting Fig. 6).
As shown in Figure 3, after cold water enters from water inlet pipe water inlet mouth 8, at cold water when the delivery port 9 of interior pipe flows out, it at first has been subjected to stopping of sleeve pipe 12, in addition because the gap (diagram L section) of 12 of interior pipe of reserving 6 and sleeve pipes, so cold water can flow downward after the stopping of sleeve pipe 12 being subjected to, but to be subjected to stopping of sleeve pipe positioning table 16 again very soon when flowing downward, after being blocked repeatedly, this moment, current had only from 13 outflows of sleeve pipe apopore, and direction becomes the horizontal divergence state, can not impact the top of the inner bag 3 inwalls below and the inner bag 3 that rebounded again owing to excessive pressure.So just can not form strong convection current, destroy hot water or cold water's layering, cause to the user and feel that water temperature descends rapidly or sometimes hot and sometimes cold sensation, can utilize the hot water in the inner bag equally fully, improve efficiency of heating surface energy savings.
In addition, can effectively position in the technology of water heater foaming through water inlet insulation tube after improving and water outlet insulation tube inner bag and shell, guarantee the concentric of inner bag Inlet and outlet water pore and shell Inlet and outlet water pore, thereby improve produced on-site efficient, guarantee that product quality has made things convenient for the operation of subsequent handling and maintenance after sale simultaneously.
After inner bag was put into shell, at first inner bag can be by the hanger bolting, and the insulation tube of will intaking then, water outlet insulation tube are fixed on the inner bag.Even there is the decentraction of shell Inlet and outlet water sky and inner bag paddle hole this moment, also can under the effect of positioning bar, just squeezed by force.In the process of foaming, because the existence of positioning bar, even be subjected to sharply swollen rising of foamed material, can be not therefore and follow-up operation of bias effect and maintenance after sale yet.
Claims (11)
1, a kind of water heater, comprise shell, foaming layer, inner bag, water inlet insulation tube and water outlet insulation tube, shell is provided with inlet opening and apopore, described water inlet insulation tube, comprise and be located at the outer water inlet pipe of water heater liner, be located at the interior pipe that is communicated with water inlet pipe in the inner bag and be sheathed on the outside sleeve pipe of interior pipe, be connected by the spiral shell head between water inlet pipe and the interior pipe, form the space between interior pipe and the sleeve pipe, it is characterized in that: described sleeve pipe perisporium is provided with the distributing apopore.
2, water heater according to claim 1 is characterized in that: one section its tube wall diameter being communicated with water inlet pipe of pipe is provided with the tube wall vary in diameter transition conduit of inverted round table shape in two sections less than another section tube wall diameter in described between the pipe.
3, water heater according to claim 2 is characterized in that: the pipe top is provided with plug in described, and cannula tip is overlapped with interior pipe top by welding or by the fixedly connected or integral type of securing member and is connected.
4, water heater according to claim 3, it is characterized in that: be connected with positioning boss between described casing shoe and the interior pipe, its connected mode connects for welding or by the fixedly connected or integral type of securing member, so that formation one can be alleviated the space of current between sleeve pipe and the interior pipe.
5, water heater according to claim 4 is characterized in that: middle being provided with of pipe is divided into two-part flow distribution plate with interior tube space in described, so that tube cavity forms a folding reciprocation type water route, it is inverted U-shaped that water-flowing path is.
6, water heater according to claim 5, it is characterized in that: described flow distribution plate bends in tube wall vary in diameter transition conduit lower end fixedlys connected with interior pipe, in the top, junction is that tube wall vary in diameter transition conduit upper end offers the water inlet pipe delivery port, promptly, the water inlet pipe delivery port places between sleeve pipe and the interior pipe can be alleviated in the space of current, and described delivery port is located at apart from the length L and the interior length of tube H of interior pipe lower end and is satisfied 1/3H≤L≤2/3H.
7, a kind of water heater, comprise shell, foaming layer, inner bag, water inlet insulation tube and water outlet insulation tube, shell is provided with inlet opening and apopore, described water inlet insulation tube, comprise and be located at the outer water inlet pipe of water heater liner, be located at the interior pipe that is communicated with water inlet pipe in the inner bag and be sheathed on the outside sleeve pipe of interior pipe, be connected by the spiral shell head between water inlet pipe and the interior pipe, form folding reciprocation type water route between interior pipe and the sleeve pipe, cannula tip is provided with plug, sleeve pipe and interior pipe are located by balancing plug, it is characterized in that: described sleeve pipe perisporium is provided with the distributing apopore.
8, water heater according to claim 7, it is characterized in that: described casing pipe sleeve forms the delivery port of space as the circulation of folding reciprocation type water route on interior pipe outside and interior pipe top in the sleeve pipe cavity, water-flowing path is M shape, be connected with positioning boss between casing shoe and the interior pipe, its connected mode connects for welding or by the fixedly connected or integral type of securing member, so that formation one can be alleviated the space of current between sleeve pipe and the interior pipe.
9, according to claim 1 or 7 described water heaters, it is characterized in that: described distributing apopore is located on the end cover tube wall of contiguous water inlet pipe.
10, according to claim 1 or 7 described water heaters, it is characterized in that: corresponding outer cover of water heater inlet opening and apopore place are provided with the fixedly positioning bar that is not offset of inner bag of 2 places at least on described water inlet insulation tube and water outlet insulation tube spiral shell head.
11, water heater according to claim 10 is characterized in that: described positioning bar is respectively 6 places.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101270592A CN100526750C (en) | 2006-09-26 | 2006-09-26 | Water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101270592A CN100526750C (en) | 2006-09-26 | 2006-09-26 | Water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101153746A CN101153746A (en) | 2008-04-02 |
| CN100526750C true CN100526750C (en) | 2009-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101270592A Active CN100526750C (en) | 2006-09-26 | 2006-09-26 | Water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN100526750C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571314B (en) * | 2008-04-29 | 2012-12-26 | 博西华电器（江苏）有限公司 | Water heater and water distribution device for same |
| CN102607173B (en) * | 2011-12-31 | 2017-07-04 | 武汉海尔热水器有限公司 | A kind of water fender being installed in water heater liner |
| CN104110845A (en) * | 2013-09-04 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Line component of antibacterial water heater, manufacturing method of line component and antibacterial water heater with line component |
| CN104110832A (en) * | 2014-01-07 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater |
-
2006
- 2006-09-26 CN CNB2006101270592A patent/CN100526750C/en active Active
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| Publication number | Publication date |
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| CN101153746A (en) | 2008-04-02 |
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