CN218033738U - Nonmetal inner container and electric water heater with same - Google Patents
Nonmetal inner container and electric water heater with same Download PDFInfo
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- CN218033738U CN218033738U CN202221387758.1U CN202221387758U CN218033738U CN 218033738 U CN218033738 U CN 218033738U CN 202221387758 U CN202221387758 U CN 202221387758U CN 218033738 U CN218033738 U CN 218033738U
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Abstract
The utility model relates to an electric water heater field discloses a non-metallic inner bag and electric water heater. The nonmetal liner comprises a liner body, a reinforcing layer and a liner flange, wherein a liner opening is formed at one end of the liner body, and a limiting annular part surrounding the liner opening is arranged outside the liner opening; the reinforcing layer covers the periphery of the liner body; the inner end of the liner flange is fixed in a limiting way by a limiting annular part, and the outer end of the liner flange is fixed between the liner body and the reinforcing layer. The utility model has the advantages that the limiting annular part is arranged at the end part of the liner opening, the inner end of the liner flange is limited and fixed by the limiting annular part, and the outer end of the liner flange is fixed between the liner body and the reinforcing layer, so that the liner flange and the liner body can be tightly combined, no welding point exists, and the water leakage problem of the welding position of the non-metal liner when the bearing pressure is higher is avoided; in addition, the liner flange is directly connected with the liner body, so that a fixing part for fixing the liner flange is omitted, and connecting interfaces between the fixing part and the liner flange are reduced, thereby reducing the probability of water leakage.
Description
Technical Field
The utility model relates to an electric water heater technical field especially relates to a non-metallic inner bag and have its electric water heater.
Background
The inner container of the existing electric water heater is used as a water storage part, most of the inner containers are metal inner containers, and meanwhile, a heating pipe is required to be assembled in the inner container in order to heat water in the metal inner containers. When the heating pipe is installed, a liner flange is usually welded at a liner opening of the metal liner, then the heating pipe is installed on the heating pipe flange, and the installation of the heating pipe on the metal liner is realized through the fixed connection of the liner flange and the heating pipe flange.
However, the inner container is mostly made of stainless steel or enamel, and the inner containers of the types can meet the pressure-bearing requirement, but have the problems of low insulation coefficient, poor corrosion resistance and high processing cost. Therefore, non-metal inner containers (such as plastic inner containers) are beginning to replace stainless steel metal or enamel inner containers on the market, but the following problems are also caused by the non-metal inner containers: in order to realize the fixed connection with the heating pipe flange, the liner flange still needs to be arranged at the liner opening of the non-metal liner.
Among the prior art, the inner bag flange is usually through the courage mouth department of welded mode embedding nonmetal inner bag, afterwards with heating pipe flange fixed connection, and when this kind of structure bore great pressure at nonmetal inner bag, the courage mouth of nonmetal inner bag can produce the crack because of pressure is too big with the position of inner bag flange welded, and then the condition of leaking appears.
In order to avoid welding between the liner flange and the nonmetal liner, the prior art adopts the following scheme: the non-metal liner is characterized in that a fixing piece with internal threads is formed in a liner opening of the non-metal liner, the liner flange is provided with external threads, the liner flange is in threaded connection with the fixing piece, and the heating pipe flange fixed with the heating pipe is connected with the liner flange. The scheme has the defects that a plurality of interfaces such as the interfaces between the fixing piece and the liner flange and between the liner flange and the heating pipe flange exist, the number of the interfaces is large, the mounting defect in the process is easily caused, the probability of water leakage is increased, the use performance of the electric water heater is influenced, and the potential safety hazard is serious and even generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a nonmetal inner bag and have its electric water heater.
To achieve the purpose, the utility model adopts the following technical proposal:
a non-metallic inner container comprising:
the liner comprises a liner body, wherein a liner opening is formed at one end of the liner body, and a limiting annular part surrounding the liner opening is arranged on the outer side of the liner opening;
the reinforcing layer covers the periphery of the liner body;
the inner end of the liner flange is limited and fixed by the limiting annular part, and the outer end of the liner flange is fixed between the liner body and the reinforcing layer.
The limit annular part surrounding the liner opening is arranged on the outer side of the liner opening, the inner end of the liner flange is limited and fixed by the limit annular part, and the outer end of the liner flange is fixed between the liner body and the reinforcing layer, so that the liner flange and the liner body can be tightly combined, a welding point does not exist, and the problem of water leakage at the welding position of the non-metal liner when the bearing pressure is higher is avoided; in addition, the liner flange is directly connected with the liner body, so that a fixing piece for fixing the liner flange is omitted, and connecting interfaces between the fixing piece and the liner flange are reduced, thereby reducing the probability of water leakage.
As the preferable technical scheme of the non-metal inner container, the outer surface of the inner container body is provided with an annular accommodating groove, and the outer end of the inner container flange is arranged in the accommodating groove.
The storage tank is arranged on the outer surface of the inner container body, the outer end annular portion of the inner container flange is arranged in the storage tank, the outer surface of the outer end annular portion of the inner container flange and the outer surface of the inner container body are parallel and level, the smoothness of the reinforcing layer can be guaranteed, the increase of the thickness of the reinforcing layer is avoided, and the cost is guaranteed.
As the preferable technical scheme of the non-metal inner container, the inner surface of the inner container body is provided with an annular thickened part right facing the accommodating groove.
The annular thickened part is arranged at the position, opposite to the accommodating groove, of the inner surface of the inner container body, so that the strength weakened by the accommodating groove formed in the outer surface of the inner container body can be reinforced, and the overall strength of the inner container body is guaranteed.
As a preferable technical scheme of the non-metal inner container, the thickness of the thickened part is larger than or equal to the depth of the accommodating groove.
The thickness through with the thickening portion sets up to the degree of depth that is greater than or equal to the storage tank, can make the intensity of reinforcement be greater than the intensity that weakens to guarantee that the bulk strength of inner bag body does not reduce.
As the preferable technical scheme of the non-metal liner, the liner flange comprises an inner end annular part, an outer end annular part and a protruding connecting part connected between the inner end annular part and the outer end annular part, the inner end annular part is limited and fixed by the limiting annular part, the outer end annular part is fixed between the liner body and the reinforcing layer, and the protruding connecting part is used for being connected with the heating pipe flange.
Through setting up the inner bag flange to including inner ring annular portion, protruding connecting portion and outer end annular portion triplex for between inner bag flange and the inner bag body, and the connection between inner bag flange and the heating pipe flange is more simple and convenient, and the structure of inner bag flange is more reasonable.
As the preferable technical scheme of the non-metal inner container, the outer end annular part is arc-shaped and can be attached to the outer surface of the inner container body.
Outer end annular portion through with the inner bag flange sets up to the arc to laminate with the surface of inner bag body, can improve outer end annular portion and be fixed in the stability between inner bag body and the enhancement layer, and can improve the roughness of enhancement layer, guarantee the intensity of enhancement layer.
As the preferable technical scheme of the non-metal inner container, the convex connecting part and the inner end annular part and the outer end annular part are in arc transition.
Through set up to the protruding connecting portion and be the circular arc transition between inner annular portion and the outer end annular portion, can reduce the stress concentration of junction between protruding connecting portion and inner annular portion and the outer end annular portion, improve the intensity of inner bag flange.
As a preferable technical scheme of the non-metal liner, the reinforcing layer is formed by winding fibers.
An electric water heater comprises the non-metal inner container according to any one of the above aspects.
Through setting up above-mentioned non-metallic inner bag, it can effectively reduce the water leakage rate, guarantees its performance.
As a preferred technical scheme of the electric water heater, the electric water heater further comprises a heating pipe flange and a heating pipe arranged on the heating pipe flange, the heating pipe flange is fixedly arranged on an inner container flange of the non-metal inner container, and the heating pipe is arranged in the non-metal inner container.
The utility model has the advantages that:
the utility model provides a non-metal liner, which comprises a liner body, a reinforcing layer and a liner flange, wherein, a liner opening is formed at one end of the liner body, and a limit annular part surrounding the liner opening is arranged outside the liner opening; the reinforcing layer covers the periphery of the liner body; the inner end of the liner flange is fixed in a limiting way by a limiting annular part, and the outer end of the liner flange is fixed between the liner body and the reinforcing layer. The limit annular part surrounding the liner opening is arranged on the outer side of the liner opening, the inner end of the liner flange is limited and fixed by the limit annular part, and the outer end of the liner flange is fixed between the liner body and the reinforcing layer, so that the liner flange and the liner body can be tightly combined, no welding point exists, and the problem of water leakage of a welding position when the non-metal liner bears high pressure is avoided; in addition, the liner flange is directly connected with the liner body, so that a fixing part for fixing the liner flange is omitted, and connecting interfaces between the fixing part and the liner flange are reduced, thereby reducing the probability of water leakage.
The utility model provides an electric water heater, through setting up above-mentioned non-metallic inner bag, it can effectively reduce the rate of leaking water, guarantees its performance.
Drawings
Fig. 1 is a schematic structural view of a non-metallic inner container provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of the non-metallic liner provided in the embodiment of the present invention with the reinforcing layer removed;
fig. 3 is a schematic structural view of an inner container flange in the embodiment of the present invention;
fig. 4 is a cross-sectional view of an inner liner flange according to an embodiment of the present invention;
FIG. 5 is a front view of the non-metallic inner container provided by the present invention;
FIG. 6 isbase:Sub>A cross-sectional view taken along A-A of FIG. 5;
fig. 7 is an enlarged view at B in fig. 6.
In the figure:
10. an inner container body; 11. the gallbladder opening; 12. a limiting annular part; 13. thickening part; 20. a reinforcing layer; 30. An inner container flange; 31. an inner end annular portion; 32. a bump connecting portion; 33. an outer end annular portion.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements relevant to the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a non-metallic inner container, it is applied to water heater especially electric water heater field for store water. In this embodiment, the non-metal inner container may be a plastic inner container or an inner container made of other non-metal materials.
Example one
As shown in fig. 1 to 7, the non-metallic liner of the embodiment of the present invention includes a liner body 10, a reinforcing layer 20 and a liner flange 30, wherein a liner opening 11 is formed at one end of the liner body 10, and a limiting annular portion 12 surrounding the liner opening 11 is arranged outside the liner opening 11; the reinforcing layer 20 covers the periphery of the liner body 10; the inner end of the liner flange 30 is limited and fixed by the limiting annular part 12, and the outer end of the liner flange 30 is fixed between the liner body 10 and the reinforcing layer 20. The limiting annular part 12 surrounding the liner opening 11 is arranged on the outer side of the liner opening 11, the inner end of the liner flange 30 is limited and fixed by the limiting annular part 12, and the outer end of the liner flange is fixed between the liner body 10 and the reinforcing layer 20, so that the liner flange 30 and the liner body 10 can be tightly combined, no welding point exists, and the problem of water leakage of a welding position when a nonmetal liner bears high pressure is avoided; in addition, the liner flange 30 is directly connected with the liner body 10, so that a fixing piece for fixing the liner flange 30 is omitted, and a connecting interface between the fixing piece and the liner flange 30 is reduced, thereby reducing the probability of water leakage.
It should be noted that the limiting ring portion 12 may be formed integrally with the liner body 10 from the end of the liner opening 11 toward the center direction away from the liner opening 11, or may be an independent component disposed outside the liner opening 11, and may be specifically disposed as required.
Referring to fig. 3 to 7, the liner flange 30 includes an inner annular portion 31, an outer annular portion 33, and a protruding connection portion 32 connected between the inner annular portion 31 and the outer annular portion 33, the inner annular portion 31 is limited and fixed by the limiting annular portion 12, the outer annular portion 33 is fixed between the liner body 10 and the reinforcing layer 20, and the protruding connection portion 32 is used for connecting with a heating pipe flange. Through setting up inner bag flange 30 to including inner annular portion 31, protruding connecting portion 32 and outer end annular portion 33 triplex for between inner bag flange 30 and the inner bag body 10, and the connection between inner bag flange 30 and the heating tube flange is more simple and convenient, and inner bag flange 30's structure is more reasonable.
The inner end annular portion 31 and the limiting annular portion 12 may be both flat plate-shaped, and the inner end annular portion 31 is limited and fixed by pressing the inner end annular portion 31 against the lower end of the limiting annular portion 12, see fig. 7. Or, the cross section of the limiting annular part 12 can also be U-shaped, correspondingly, the cross section of the inner end annular part 31 can be L-shaped, the horizontal part of the inner end annular part 31 is connected with the convex connecting part 32, and the vertical part of the inner end annular part 31 is inserted into the limiting groove of the limiting annular part 12, so that the inner end annular part 31 is limited by the limiting annular part 12.
Preferably, the outer annular portion 33 of the liner flange 30 is arc-shaped, and the outer annular portion 33 can be attached to the outer surface of the liner body 10. Set up to the arc through the outer end annular portion 33 with inner bag flange 30 to with the surface laminating of inner bag body 10, can improve outer end annular portion 33 and be fixed in the stability between inner bag body 10 and the enhancement layer 20, and can improve the roughness of enhancement layer 20, guarantee the intensity of enhancement layer 20.
Preferably, the convex connecting portion 32 transitions in a circular arc with the inner end annular portion 31 and with the outer end annular portion 33. Through set up protruding connecting portion 32 to be the circular arc transition between with inner annular portion 31 and outer annular portion 33, can reduce the stress concentration of the junction between protruding connecting portion 32 and inner annular portion 31 and outer annular portion 33, improve the intensity of inner bag flange 30.
The outer surface of the inner container body 10 is provided with an annular accommodating groove, and an outer annular part 33 of the inner container flange 30 is arranged in the accommodating groove. The storage groove is formed in the outer surface of the inner container body 10, the outer end annular portion 33 of the inner container flange 30 is arranged in the storage groove, the outer surface of the outer end annular portion 33 of the inner container flange 30 is flush with the outer surface of the inner container body 10, the reinforcing layer 20 can be guaranteed to be flat, the thickness of the reinforcing layer 20 is prevented from being increased, and cost is guaranteed.
Preferably, the inner surface of the liner body 10 is provided with an annular thickened portion 13 facing the accommodating groove. The annular thickened part 13 is arranged at the position, opposite to the accommodating groove, of the inner surface of the inner container body 10, so that the strength weakened due to the fact that the accommodating groove is formed in the outer surface of the inner container body 10 can be reinforced, and the overall strength of the inner container body 10 is guaranteed. Preferably, the thickness of the thickened portion 13 is greater than or equal to the depth of the accommodating groove, and the thickness of the thickened portion 13 is set to be greater than or equal to the depth of the accommodating groove, so that the reinforced strength is greater than the weakened strength, and the overall strength of the liner body 10 is not reduced.
In the present embodiment, the reinforcing layer 20 is formed by winding fibers. Specifically, the reinforcing layer 20 is made of a fiber reinforced resin composite material, filament fibers soaked with resin are wound on the liner body 10, the fibers can be glass fibers, carbon fibers, kevlar fibers and the like, high-temperature curing is performed after winding, and the cured fiber winding layer is a pressure-bearing structure layer of the liner body 10.
Example two
As shown in fig. 1 to 7, the non-metallic liner of the embodiment of the present invention includes a liner body 10, a reinforcing layer 20 and a liner flange 30, wherein a liner opening 11 is formed at one end of the liner body 10, and a limiting annular portion 12 surrounding the liner opening 11 is arranged outside the liner opening 11; the reinforcing layer 20 covers the periphery of the liner body 10, and the reinforcing layer 20 is formed by winding fibers; the inner end of the liner flange 30 is limited and fixed by the limiting annular part 12, and the outer end of the liner flange 30 is fixed between the liner body 10 and the reinforcing layer 20. The liner flange 30 comprises an inner end annular part 31, an outer end annular part 33 and a protruding connecting part 32 connected between the inner end annular part 31 and the outer end annular part 33, the inner end annular part 31 is limited and fixed by the limiting annular part 12, the outer end annular part 33 is fixed between the liner body 10 and the reinforcing layer 20, and the protruding connecting part 32 is used for being connected with a heating pipe flange. The outer annular portion 33 of the liner flange 30 is curved and can be fitted to the outer surface of the liner body 10. The convex connecting portion 32 and the inner end annular portion 31 and the outer end annular portion 33 are in circular arc transition. An annular accommodating groove is formed in the outer surface of the inner container body 10, and an outer end annular portion 33 of the inner container flange 30 is arranged in the accommodating groove. The inner surface of the inner container body 10 is provided with an annular thickened part 13 opposite to the accommodating groove. The thickness of the thickened portion 13 is greater than or equal to the depth of the accommodating groove.
EXAMPLE III
An embodiment of the utility model provides an electric water heater, include as embodiment one or embodiment two nonmetal inner bag, heating tube flange and install in heating pipe on the heating tube flange, heating tube flange fixed mounting is on the inner bag flange 30 of nonmetal inner bag, and in nonmetal inner bag was arranged in to the heating pipe to the water of storage in nonmetal inner bag heats.
The nonmetal liner comprises a liner body 10, a reinforcing layer 20 and a liner flange 30, wherein a liner opening 11 is formed at one end of the liner body 10, and a limiting annular part 12 surrounding the liner opening 11 is arranged on the outer side of the liner opening 11; the reinforcing layer 20 covers the periphery of the liner body 10; the inner end of the liner flange 30 is limited and fixed by the limiting annular part 12, and the outer end of the liner flange 30 is fixed between the liner body 10 and the reinforcing layer 20.
The liner flange 30 comprises an inner end annular part 31, an outer end annular part 33 and a protruding connecting part 32 connected between the inner end annular part 31 and the outer end annular part 33, the inner end annular part 31 is limited and fixed by the limiting annular part 12, the outer end annular part 33 is fixed between the liner body 10 and the reinforcing layer 20, and the protruding connecting part 32 is used for being connected with the heating pipe flange.
Preferably, the outer annular portion 33 of the liner flange 30 is curved to be able to fit the outer surface of the liner body 10.
Preferably, the convex connecting portion 32 transitions in a circular arc with the inner end annular portion 31 and with the outer end annular portion 33.
The outer surface of the inner container body 10 is provided with an annular accommodating groove, and an outer annular part 33 of the inner container flange 30 is arranged in the accommodating groove.
Preferably, the inner surface of the liner body 10 is provided with an annular thickened portion 13 facing the accommodating groove. Preferably, the thickness of the thickened portion 13 is greater than or equal to the depth of the receiving groove.
The reinforcing layer 20 is formed by filament winding.
Or the nonmetal liner comprises a liner body 10, a reinforcing layer 20 and a liner flange 30, wherein a liner opening 11 is formed at one end of the liner body 10, and a limiting annular part 12 surrounding the liner opening 11 is arranged on the outer side of the liner opening 11; the reinforcing layer 20 covers the periphery of the liner body 10, and the reinforcing layer 20 is formed by winding fibers; the inner end of the liner flange 30 is limited and fixed by the limiting annular part 12, and the outer end of the liner flange 30 is fixed between the liner body 10 and the reinforcing layer 20. The liner flange 30 comprises an inner end annular part 31, an outer end annular part 33 and a protruding connecting part 32 connected between the inner end annular part 31 and the outer end annular part 33, the inner end annular part 31 is limited and fixed by the limiting annular part 12, the outer end annular part 33 is fixed between the liner body 10 and the reinforcing layer 20, and the protruding connecting part 32 is used for being connected with the heating pipe flange. The outer annular portion 33 of the liner flange 30 is curved and can be fitted to the outer surface of the liner body 10. The convex connecting portion 32 and the inner end annular portion 31 and the outer end annular portion 33 are in circular arc transition. The outer surface of the inner container body 10 is provided with an annular accommodating groove, and an outer annular part 33 of the inner container flange 30 is arranged in the accommodating groove. The inner surface of the inner container body 10 is provided with an annular thickened part 13 opposite to the accommodating groove. The thickness of the thickened portion 13 is greater than or equal to the depth of the accommodating groove.
Preferably, the number of the non-metal inner containers of the present embodiment may be one, or may be two, and when two non-metal inner containers are provided, the two non-metal inner containers are arranged side by side.
The utility model discloses an above-mentioned electric water heater, through setting up above-mentioned nonmetal inner bag, it can effectively reduce the water leakage rate, guarantees its performance.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A non-metallic inner container, characterized by comprising:
the liner comprises a liner body (10), wherein a liner opening (11) is formed at one end of the liner body (10), and a limiting annular part (12) surrounding the liner opening (11) is arranged on the outer side of the liner opening (11);
the reinforcing layer (20), the said reinforcing layer (20) covers the periphery of the said inner container body (10);
the inner end of the liner flange (30) is limited and fixed by the limiting annular part (12), and the outer end of the liner flange (30) is fixed between the liner body (10) and the reinforcing layer (20).
2. The non-metal liner as claimed in claim 1, wherein the outer surface of the liner body (10) is provided with an annular accommodating groove, and the outer end of the liner flange (30) is arranged in the accommodating groove.
3. The non-metallic inner container according to claim 2, wherein the inner surface of the inner container body (10) is provided with an annular thickened portion (13) facing the receiving groove.
4. The non-metallic inner container according to claim 3, wherein the thickness of the thickened portion (13) is greater than or equal to the depth of the receiving groove.
5. The non-metal liner according to claim 1, wherein the liner flange (30) comprises an inner end annular portion (31), an outer end annular portion (33) and a protruding connecting portion (32) connected between the inner end annular portion (31) and the outer end annular portion (33), the inner end annular portion (31) is limited and fixed by the limiting annular portion (12), the outer end annular portion (33) is fixed between the liner body (10) and the reinforcing layer (20), and the protruding connecting portion (32) is used for being connected with a heating pipe flange.
6. The nonmetal inner container of claim 5, wherein the outer end annular portion (33) is arc-shaped and can be attached to the outer surface of the inner container body (10).
7. The non-metallic inner container according to claim 5, wherein the convex connection portion (32) and the inner end annular portion (31) and the outer end annular portion (33) are in circular arc transition.
8. The non-metallic inner container according to claim 1, wherein the reinforcing layer (20) is formed by winding fibers.
9. An electric water heater comprising a non-metallic inner container as claimed in any one of claims 1 to 8.
10. The electric water heater of claim 9, further comprising a heating pipe flange fixedly mounted on the liner flange (30) of the non-metallic liner, and a heating pipe mounted on the heating pipe flange, the heating pipe being disposed in the non-metallic liner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221387758.1U CN218033738U (en) | 2022-06-02 | 2022-06-02 | Nonmetal inner container and electric water heater with same |
| PCT/CN2022/136565 WO2023231351A1 (en) | 2022-06-02 | 2022-12-05 | Non-metal liner and electric water heater having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221387758.1U CN218033738U (en) | 2022-06-02 | 2022-06-02 | Nonmetal inner container and electric water heater with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218033738U true CN218033738U (en) | 2022-12-13 |
Family
ID=84375227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221387758.1U Active CN218033738U (en) | 2022-06-02 | 2022-06-02 | Nonmetal inner container and electric water heater with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218033738U (en) |
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2022
- 2022-06-02 CN CN202221387758.1U patent/CN218033738U/en active Active
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