CN202692420U - Water heater - Google Patents
Water heater Download PDFInfo
- Publication number
- CN202692420U CN202692420U CN 201220174526 CN201220174526U CN202692420U CN 202692420 U CN202692420 U CN 202692420U CN 201220174526 CN201220174526 CN 201220174526 CN 201220174526 U CN201220174526 U CN 201220174526U CN 202692420 U CN202692420 U CN 202692420U
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- CN
- China
- Prior art keywords
- inner bag
- bed course
- water heater
- stream material
- end cap
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- 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.)
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Abstract
The utility model relates to a water heater, which comprises an inner container, a casing for packing the inner container, an end cover for sealing the casing; a cushion layer is arranged between an end part of the inner container and the end cover; the cushion layer is in contact with at least an inner face at the middle part of the end cover in an overlapped manner; the cushion layer is provided with a dented part in coincidence with the shape of the end part of the inner container; a flow material packing part is arranged on the surface of the dented part; a foam material is filled in foam space formed by the casing, the cushion layer and the inner container; and the foam material flows into the flow material packing part. Due to the flow material packing part arranged on the cushion layer, the flow material packing part is in favor of improving thermal insulation performance.
Description
Technical field
The utility model relates to a kind of water heater.
Background technology
At present, the basic assembly structure of storage-type electric water heater mainly is comprised of heat-insulation layer three parts between inner bag, shell and inner bag and the shell.Often can run into such problem in process of production; it is even and to make inner bag at shell deflection occur namely not placed in the middle by Chang Yinwei expanded material non-homogeneous expansion to be that inner bag is put into shell; cause technique, the quality problems such as water pipe is inclined to one side, the cover of upholstery assembling is not in place, expanded material is excessive, thereby affect the performance of product.
In order to address the above problem, application number is that 200920167901.4 patent has proposed a kind of electric heater, particularly end cover of water heater be provided with the inner bag support towards inner bag one side, the space between this inner bag support consist of continuously the foaming space a part.Offer the foaming flow ports at the inner bag support, when foaming, expanded material forms heat-insulation layer by the foaming space that this foaming flow ports is full of inner bag bottom and sidepiece.Technique scheme has solved inner bag orientation problem placed in the middle by the inner bag support is set, yet, owing to directly at end cap the inner bag support is set, in the assembling process of water heater, the high temperature foamed material that is filled in the foaming space directly contacts with end cap, causes easily end cap to deform.
In addition, in order to improve the heat-insulating property of water heater, existing water heater generally is provided with heat-insulation layer between courage end and the end cap within it, yet, because this heat-insulation layer cooperates with the inner bag end and closely do not cause forming cavity between inner bag end and heat-insulation layer, the existence of this cavity is unfavorable for improving the heat-insulating property of water heater.
The utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of water heater that can improve the heat-insulating property of water heater.
The utility model proposes a kind of water heater, comprise inner bag, in order to the shell of receiving the dress inner bag and in order to seal the end cap of this shell, between described inner bag end and described end cap, be provided with bed course, described bed course contacts with at least middle part inner surface overlaid of described end cap, it is characterized in that, described bed course has the recess that coincide with the described end shape of described inner bag, offers the stream material along the surface of described recess and receives dress section; Be filled with foamed material in the foaming space that is surrounded by described shell and bed course and described inner bag, described foamed material flows into described stream material and receives in the dress section.
Because the recess surface along described bed course offers stream material receipts dress section, in the foaming process of foamed material, described foamed material can be filled in this stream material receipts dress section and receive dress section place at this stream material and form heat-insulation layer, namely receive dress section position at formation stream material and utilize the original bed course of heat-insulation layer replacement that is formed by foamed material, reduced the contact area of bed course and described end cap, because the heat-insulating property by the formed heat-insulation layer of described foamed material is higher than described bed course, is conducive to improve the heat-insulating property of whole water heater.
Simultaneously, because described recess and described inner bag end shape match, can support described inner bag better and locate by this recess, be conducive to improve the Assembly stability of whole water heater.
In addition, because described bed course contacts with the middle part inner surface overlaid of described end cap at least, in the foaming process of foamed material, described end cap and high temperature expanding foam solution can be kept apart by this bed course, avoid the high temperature expanding foam solution directly to contact with described end cap and cause the middle part of described end cap to deform.
Preferably, described recess is formed by a plurality of projections of the center that centers on described bed course along circumferential array, and described stream material is received dress section and is positioned between the adjacent described projection.
Because receiving dress section, described stream material is positioned between two adjacent described projections, then described stream material receipts dress section and projection are along the circumferential alternative arrangement of bed course, the suffered support force in described inner bag end is evenly distributed, is conducive to improve the Assembly stability of water heater liner.
Preferably, the surface of described inner bag end is arc surface, the surface of the part that contacts with described inner bag end of described projection is the arc surface that the shape of shape and described inner bag end matches, can improve the suitability of described inner bag end and described bed course inner surface, be conducive to described inner bag is supported and locates.
Preferably, offer stream material mouth in described projection, this stream material opening's edge the thickness direction that axially runs through described projection of described inner bag.
Owing to offer stream material mouth in described projection, and what this stream material opening's edge described inner bag axially runs through described projection, then in the foaming process of described foamed material, described foamed material can bond together along described stream material mouth and described end cap, is conducive to improve the assembling fastness of described inner bag, end cap.
Preferably, described stream material is received dress section and is opened on the described bed course, and along described inner bag axially on, described stream material is received the degree of depth of dress section less than the thickness of described projection.
Since along described inner bag axially on, described stream material is received the degree of depth of dress section less than the thickness of described projection, be that described stream material is received dress section and axially do not run through described projection along described inner bag, be conducive to increase the contact area of described bed course and described end cap, thereby improve described bed course to the buffer action of described end cap, can prevent better that described end cap from deforming.
Preferably, described stream material is received dress section along the thickness direction that axially runs through described bed course of described inner bag.
Since described stream material receive dress section along described inner bag axially run through described bed course, described foamed material can pass described stream material and receive dress section and inner bag, bed course and end cap three are bonded together, and is conducive to improve the installation fastness of water heater.
Preferably, described bed course is the foaming bed course.
Description of drawings
Fig. 1 is the top view that is provided with the end cap of bed course, is the first embodiment;
Fig. 2 be among Fig. 1 A-A to cutaway view;
Fig. 3 is for arranging the cutaway view of liner end enclosure at bed course shown in Figure 2;
Fig. 4 is the top view that is provided with the end cap of bed course, is the second embodiment;
Fig. 5 be among Fig. 4 B-B to cutaway view;
Fig. 6 is the top view that is provided with the end cap of bed course, is the third embodiment;
Fig. 7 be among Fig. 6 C-C to cutaway view.
The specific embodiment
Below with reference to Fig. 1～Fig. 7 the specific embodiment of water heater described in the utility model is elaborated.In following description, described inner surface (inboard) refers to the side towards water heater inside, and described outer surface (outside) refers to the side away from water heater inside.
Water heater comprises inner bag, in order to receive the shell of this inner bag of dress, be separately installed with to seal the end cap of this shell at the two ends of this shell.Surround a foaming space by shell, inner bag and end cap, be filled with foamed material in this foaming space, this foamed material forms the heat-insulation layer of water heater through high temperature foaming processing, by this heat-insulation layer the water in the water heater is incubated.Wherein, end cap is generally by steel plate stretching and plastic injection-moulded the realization, and the vicat softening temperature of its plastic part (Vicat softening temperature is called for short VST) is generally about 96 ℃; Foamed material generally is comprised of black material (isocyanates) and white material (combined polyether), and the temperature during its foaming is about 120 ℃.Inner bag is comprised of middle bucket (not shown) and the end socket that matches with the end of bucket in this.
Fig. 1～Fig. 3 is the schematic diagram of the first embodiment of water heater.Such as Fig. 1～shown in Figure 3, between end socket 3 and end cap 2, be provided with bed course 4, this bed course 4 is the foaming bed course, and it is generally by EPS (polystyrene, Expandable Polystyrene) foam composition, and the heat resisting temperature of this eps foam be warm about 75 ℃.Bed course 4 forms by isolation part 41 with recess 42 that this isolation part 41 is formed at one, and wherein, the shape of isolation part 41 is corresponding with the shape of end cap 2, is circular on the whole, and the outer surface of this isolation part 41 also contacts with the inner surface overlaid of end cap 2.41 side inner surfaces relative with end socket 3 are formed with four projections 43 in the isolation part, consist of recess 42 of the present utility model by these four projections 43, and these four projections 43 are around the rounded arrangement in center of isolation part 41.Be formed with arc sections 44 in each projection 43, this arc sections 44 is consistent with the convex structure that end socket 3 has, and under water heater was in encapsulation state, the arc sections 44 on these four projections 43 matched with end socket 3, in order to inner bag 1 is supported and locate.As shown in Figure 3; isolation part 41 places on the end cap 2; the shape of isolation part 41 is corresponding with the shape of end cap 2; in foaming process; end cap 2 and high temperature expanding foam solution can be kept apart by this isolation part 41; avoid the high temperature expanding foam solution directly to contact with end cap 2 and cause deforming in the middle part of the end cap, be conducive to the end cap of water heater is protected.
As shown in Figure 1, recess 42 at bed course 4 offers four stream material receipts dress sections 5, this flows expects to receive dress section 5 between adjacent two projections 43, and namely projection 43 expects that with stream receipts dress section 5 is arranged alternately, and these four stream material are received the rounded arrangement in center that dress sections 5 also center on bed course 4.In the foaming process of foamed material, foamed material can be filled in the stream material receipts dress section 5 and receive dress section 5 places at this stream material and form heat-insulation layer, namely receive dress section position at formation stream material and utilize the original bed course of heat-insulation layer replacement that is formed by foamed material, reduced the contact area of bed course 4 with end socket 3, because the heat-insulating property by the formed heat-insulation layer of foamed material is better than bed course, therefore, by being set, above-mentioned stream material receives the heat-insulating property that dress section 5 is conducive to improve whole water heater.
As shown in Figures 2 and 3; along inner bag 1 axially; the stream material is received the degree of depth of dress section 5 less than the thickness of projection 43; namely bed course 4 is not run through in this stream material receipts dress section 5; then can increase the contact area of bed course 4 and end cap 2; be the masked area of 4 pairs of end caps 2 of bed course, improved the isolation effect of 4 pairs of end caps of bed course 2 with the water heater foamed material, be conducive to the end cap of water heater is protected.
Fig. 4～Fig. 5 is the schematic diagram of the second embodiment of water heater, as shown in Figure 4 and Figure 5, bed course 6 has isolation part 61 and recess 62, and isolation part 61 is positioned at the centre of bed course 6 and rounded, along the isolation part 61 circumferentially be formed with four projections 63, consist of recess 62 by these four projections 63.Each projection 63 has the arc sections 66 that the convex structure with end socket 3 adapts.Between adjacent protrusions 63, have the stream material and receive dress section 65.The difference of itself and Fig. 1～the first embodiment shown in Figure 3 is, this stream material is received dress section 65 and is axially run through this bed course 6 along inner bag, then so that foamed material can pass this stream material receipts dress section 65 and bond together with inner bag 1, bed course 6 and end cap 2 threes, be conducive to increase the intensity of end cover of water heater and the fastness that improves the whole assembling of water heater.
On each projection 63, offer respectively stream material mouth 64, these stream material mouthful 64 whole thickness that axially run through projection 63 along inner bag 1.In foaming process, foamed material can pass this stream material mouth 64 and bond together with end cap 2, inner bag 1, bed course 6 and end cap 2 are linked together by foamed material, be conducive to increase the intensity of end cover of water heater and the fastness that improves the whole assembling of water heater.It should be noted that; in the present embodiment; the circular area of the isolation part 61 of bed course 6 is greater than the circular area that is surrounded by projection 43 among above-mentioned the first embodiment; like this; even receiving dress section 65, the stream material runs through bed course 6; the high temperature expanding foam solution can directly not contact with the middle part of end cap yet in foaming process, namely can foamed material and end cap 2 be kept apart by isolation part 61, thereby end cap 2 is protected to prevent that it from deforming.
Fig. 6～Fig. 7 is the schematic diagram of the third embodiment of water heater, and the difference of itself and Fig. 4～the second embodiment shown in Figure 5 is, is formed with six projections 73 at bed course 7, consists of the described recess of this utility model by these six projections 73.As shown in Figure 6, six projections 73 center on the rounded arrangement in center of bed course 7, and each projection 73 has arc sections 74.Between adjacent protrusions 73, be formed with the stream material and receive dress section 75.As shown in Figure 7, each stream material is received dress section 75 along the thickness direction that axially runs through projection 73 of inner bag.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model, in a word, all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
For example, as shown in Figure 1 and Figure 4, be formed with four projections at bed course, as shown in Figure 6, be formed with six projections at bed course, however not limited thereto, what do not limit projection here specifically arranges number, can also be as the case may be and suitable adjustment projection number is set.
Again for example, as shown in Figure 4, offer stream material mouthful in each projection, yet not limited thereto, this stream material mouth also can be arranged on wherein on several projections, this stream also can be set expect mouth.
Again for example, such as Fig. 1, Fig. 4 and shown in Figure 6, on bed course, all be formed with discontinuous a plurality of projection, stream material receipts dress section is positioned between the adjacent projection and towards the side near end cap caves in, yet not limited thereto, stream material receive dress section also can directly be opened in the contacted recess of end socket on, and the arrangement mode of this stream material receipts dress section also is not limited to center around bed course along circumferential array.
Claims (7)
1. water heater, comprise inner bag (1), in order to receive shell and the end cap (2) in order to seal this shell of dress inner bags (1), between described inner bag end and described end cap (2), be provided with bed course, described bed course contacts with at least middle part inner surface overlaid of described end cap (2), it is characterized in that
Described bed course has the recess that coincide with the described end shape of described inner bag, and offer the stream material along the surface of described recess and receive dress section,
Be filled with foamed material in the foaming space that is surrounded by described shell and bed course and described inner bag (1), described foamed material flows into described stream material and receives in the dress section.
2. water heater according to claim 1 is characterized in that, described recess is formed by a plurality of projections of the center that centers on described bed course along circumferential array, and described stream material is received dress section and is positioned between the adjacent described projection.
3. water heater according to claim 2 is characterized in that, the surface of described inner bag end is arc surface, and the surface of the part that contacts with described inner bag end of described projection is the arc surface that the shape of shape and described inner bag end matches.
4. water heater according to claim 2 is characterized in that, offers stream material mouth in described projection, and this stream material opening's edge the thickness direction that axially runs through described projection of described inner bag.
5. water heater according to claim 2 is characterized in that, described stream material is received dress section and is opened on the described bed course, and along described inner bag (1) axially on, described stream material is received the degree of depth of dress section less than the thickness of described projection.
6. water heater according to claim 2 is characterized in that, described stream material is received dress section along the thickness direction that axially runs through described projection of described inner bag (1).
7. water heater according to claim 1 and 2 is characterized in that, described bed course is the foaming bed course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220174526 CN202692420U (en) | 2012-04-20 | 2012-04-20 | Water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220174526 CN202692420U (en) | 2012-04-20 | 2012-04-20 | Water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202692420U true CN202692420U (en) | 2013-01-23 |
Family
ID=47548030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220174526 Expired - Fee Related CN202692420U (en) | 2012-04-20 | 2012-04-20 | Water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202692420U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485917A (en) * | 2014-10-10 | 2016-04-13 | 青岛经济技术开发区海尔热水器有限公司 | Water heater foaming material sealing structure |
| CN107940760A (en) * | 2017-11-20 | 2018-04-20 | 珠海格力电器股份有限公司 | Bottom deck assembly, water tank and water heater |
| CN109514790A (en) * | 2017-09-19 | 2019-03-26 | 青岛经济技术开发区海尔热水器有限公司 | A kind of electric heater foam pad, insulating layer and electric heater |
| CN111331772A (en) * | 2018-12-18 | 2020-06-26 | 青岛经济技术开发区海尔热水器有限公司 | Preparation method of double-liner water heater and double-liner water heater |
-
2012
- 2012-04-20 CN CN 201220174526 patent/CN202692420U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485917A (en) * | 2014-10-10 | 2016-04-13 | 青岛经济技术开发区海尔热水器有限公司 | Water heater foaming material sealing structure |
| CN105485917B (en) * | 2014-10-10 | 2019-08-06 | 青岛经济技术开发区海尔热水器有限公司 | Water heater foamed material sealing structure |
| CN109514790A (en) * | 2017-09-19 | 2019-03-26 | 青岛经济技术开发区海尔热水器有限公司 | A kind of electric heater foam pad, insulating layer and electric heater |
| CN107940760A (en) * | 2017-11-20 | 2018-04-20 | 珠海格力电器股份有限公司 | Bottom deck assembly, water tank and water heater |
| CN107940760B (en) * | 2017-11-20 | 2024-02-27 | 珠海格力电器股份有限公司 | Bottom plate subassembly, water tank and water heater |
| CN111331772A (en) * | 2018-12-18 | 2020-06-26 | 青岛经济技术开发区海尔热水器有限公司 | Preparation method of double-liner water heater and double-liner water heater |
| CN111331772B (en) * | 2018-12-18 | 2024-01-09 | 青岛经济技术开发区海尔热水器有限公司 | Preparation method of double-liner water heater and double-liner water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20210420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |