CN218565767U - Supporting structure and electric water heater - Google Patents

Abstract

The utility model discloses a supporting structure and an electric water heater, the electric water heater comprises a shell and an inner container, the two ends of the shell are detachably connected with a first end cover and a second end cover, a supporting base in the supporting structure is formed on the second end cover, a plurality of supporting pieces are dispersedly formed on the supporting base, and a conformal surface matched with a bottom arc surface is formed on each supporting piece; each supporting piece is also provided with a vertically upward supporting baffle arm which is in contact connection with the peripheral side of the vertical part; the following surface and the supporting baffle arm on the supporting piece stably support the liner, so that the liner is effectively prevented from deviating under the action of foaming materials; in addition, the supporting structure replaces traditional lower heat insulation foam, the filling volume of the foaming material is increased, the heat insulation effect is improved, the supporting structure is prefabricated on the second end cover, the manufacturing and installing cost of the lower heat insulation foam is saved, and the economic benefit is good.

Description

Supporting structure and electric water heater

Technical Field

The utility model belongs to the technical field of domestic appliance, specifically speaking relates to a bearing structure and electric water heater.

Background

Along with the improvement of living standard of people, a small kitchen appliance as a small-capacity electric water heater gradually enters kitchens of thousands of families, is popular among many families due to small volume, quick heating and convenient installation and use, is usually installed at a washing table of a kitchen or a toilet for washing dishes, vegetables, hands and the like, can meet the supply of small-water-volume hot water, and saves electricity compared with the water heater.

The small kitchen appliance is generally vertically placed in a cabinet body or hung on a wall body, two ends of an inner container are of an arc surface structure, the connection and fixation are complicated, particularly, the small kitchen appliance is vertically placed, the fixation and the support below the small kitchen appliance are particularly important, the small kitchen appliance in the industry at present generally adopts the assembly of an inner container lower end socket and a lower cushion layer or an end cover, and the inner container deflects and inclines under the expansion force of foaming materials during foaming due to the spherical matching of the inner container lower end socket and the lower cushion layer or the end cover, so that the phenomenon of poor matching of the inner container and a shell, water pipe deflection and bubbling and falling of the end cover are caused finally;

in addition, in traditional little kitchen treasured, generally support the inner bag through lower heat preservation spare, the inevitable installation gap that exists between lower heat preservation spare and the inner bag, the heat preservation effect is general, and lower heat preservation spare need make alone according to the electric water heater of different models, then install alone and fix a position, consequently, manufacturing and installation cost are all higher, and economy and result of use are all not good enough.

Disclosure of Invention

An object of the utility model is to provide a bearing structure and electric water heater to the inner bag location of solving to exist among the prior art is loaded down with trivial details, and its and bottom sprag between the spherical cooperation mode of face lead to the inner bag to produce the skew under the expansive force effect of foaming material easily, and bearing structure such as current foam heat preservation spare is to the not enough scheduling problem of holding power of large capacity inner bag.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

in one aspect, the present invention provides a support structure, comprising:

the inner container is formed by enclosing a top arc surface, a bottom arc surface and a vertical peripheral side surface;

the supporting base is positioned below the inner container, a plurality of supporting pieces are formed on the supporting base in a dispersed manner, and a conformal surface matched with the bottom arc surface is formed on each supporting piece; each support piece is also provided with a vertically upward support baffle arm, and the support baffle arm is in contact connection with the peripheral side face of the vertical direction.

In some embodiments of the present application, a filling cavity is formed at a side of each of the supporting members away from the inner container.

In some embodiments of the present application, the number of said supports is four, circumferentially distributed on said support base, said filling cavity being gradually convergent along a direction close to the axis of the bladder.

In another aspect, the present invention further provides an electric water heater, which includes a housing and the above-mentioned supporting structure, wherein the first end cap and the second end cap are detachably connected to two ends of the housing, and the supporting base is formed on the second end cap.

In some embodiments of the present application, the liner further comprises a support assembly, which is located between the liner and the first end cover, and comprises an upper heat preservation member and a support tray seat located above the upper heat preservation member; and penetrating electric appliance chambers are formed in the upper heat-insulating piece and the support disc seat.

In some embodiments of the present application, the shell is a cylindrical structure formed by a metal plate, and a first turned edge and a second turned edge bent inwards are formed at two ends of the shell respectively.

In some embodiments of the present application, the supporting tray seat is formed with an inner overlapping edge and an outer overlapping edge extending upward, in an installation state, the outer edge of the first end cap is located outside the inner overlapping edge, and the first flange is clamped inside the outer overlapping edge.

In some embodiments of the present application, a plurality of abutting portions are formed along a circumferential direction of the supporting tray, and a plurality of snaps are correspondingly formed on the first end cap.

In some embodiments of this application, butt joint portion is for forming joint groove structure on the electrical apparatus room lateral wall, the joint inslot is formed with the stopper that extends to central direction, the end of buckle is formed with the location end that extends to the outside, under the installation, location end joint is in the stopper below.

In some embodiments of the present application, the supporting disk seat is an annular structure, one side of the supporting disk seat, which is close to the electric appliance chamber, is formed with a supporting inner edge extending downwards, a supporting groove is formed in the upper heat preservation member, in an installation state, the bottom of the supporting inner edge is in contact connection with the bottom of the supporting groove, and an annular foaming buffer area is formed between the supporting disk seat and the upper heat preservation member.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

in the electric water heater, a plurality of supporting pieces are dispersedly formed on a second end cover of a supporting structure arranged on the electric water heater, and a conformal surface matched with the bottom arc surface is formed on each supporting piece; and a vertical upward supporting baffle arm is also formed on each supporting piece, and the following surface and the supporting baffle arm on each supporting piece can stably support the liner, so that the liner is effectively prevented from deviating under the action of foaming materials.

The supporting piece is used for supporting the inner container instead of a traditional lower heat-insulating piece, the filling volume of the foaming material can be increased, the heat-insulating property of the inner container is improved, the manufacturing cost and the installation steps of the lower heat-insulating piece are saved, and the economic benefit is better.

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a perspective view of an embodiment of an electric water heater proposed by the present invention;

FIG. 2 is a schematic, disassembled view of an electric water heater;

FIG. 3 is a schematic view of a support structure;

FIG. 4 is a schematic view of an interior plan view of an electric water heater;

FIG. 5 isbase:Sub>A sectional view A-A of FIG. 4;

FIG. 6 is an enlarged schematic view at B in FIG. 5;

FIG. 7 is a schematic diagram of the position of the foaming buffer chamber;

FIG. 8 is a schematic view of the support tray coupled to the housing and the first end cap;

FIG. 9 is a schematic view of the support tray base being disassembled from the upper heat retaining member;

FIG. 10 is a schematic view of a first end cap construction;

in the figure, the position of the upper end of the main shaft,

100. a housing; 101. a first curl; 102. a second hemming;

110. a first end cap; 111. buckling;

120. a second end cap; 121. connecting the flanging; 122. connecting the convex edges;

123. a support member;

124. a support arm;

125. filling the cavity;

200. an inner container;

300. an upper heat-insulating member; 304. a foaming buffer zone;

310. a support groove;

400. a support tray base;

410. a connection face;

420. an inner lap joint edge;

430. an outer lap joint edge;

440. a docking portion; 441. a limiting block;

450. supporting the inner edge.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. 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.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed.

As shown in fig. 1-3, the present application provides a support structure and an electric water heater, wherein the support structure is located in the electric water heater and is used for providing support for an inner container 200 in the electric water heater.

The electric water heater comprises a shell 100 and an inner container 200 positioned in the shell 100, wherein a heating inner cavity is formed in the inner container 200, and water in the heating inner cavity is heated by a heating device for a user to use.

The liner 200 is a conventional approximately elliptical liner 200, the outer surface of the liner 200 is composed of a top arc surface, a bottom arc surface and vertical peripheral sides, the top arc surface is arranged at the top of the vertical peripheral sides and is tangent to the top arc surface, and the bottom arc surface is arranged at the bottom of the vertical peripheral sides and is tangent to the bottom arc surface.

For the electric water heater of small kitchen utensils, the housing 100 is vertically arranged, and the inner container 200 is vertically arranged in the mounting cavity of the housing 100.

The supporting structure comprises a supporting base which is positioned at the bottom of the inner container 200, a plurality of supporting pieces 123 are formed on the supporting base in a dispersed manner, and a conformal surface matched with the bottom arc surface is formed on each supporting piece 123; each support member 123 is further formed with a support arm 124 extending vertically upward, and the support arm 124 is in contact with the vertical peripheral side.

The supporting structure is specifically a second end cap 120 in the electric water heater, the second end cap 120 is detachably connected to the bottom of the housing 100, the first end cap 110 is detachably connected to the top of the housing 100, a supporting component is arranged between the inner container 200 and the first end cap 110, and the supporting component comprises an upper heat-insulating piece 300 connected with the inner container 200 and a supporting disk seat 400 located above the upper heat-insulating piece 300.

A foaming cavity is formed among the upper heat preservation member 300, the inner surface of the casing 100, the second end cover 120 and the outer surface of the liner 200, and is filled with a foaming material.

Referring to fig. 3 in particular, in order to improve the heat insulation performance of the liner 200, a filling cavity 125 is formed on one side of each support 123 away from the liner 200, and the filling cavity is beneficial to the volume of the foaming cavity and increases the heat insulation thickness.

In order to be more adaptive to the inner container 200, a following surface adaptive to the top arc surface is formed at the bottom of the upper heat-insulating member 300, and in an installation state, the bottom of the upper heat-insulating member 300 is in close contact connection with the top arc surface through the following surface.

The upper heat-insulating member 300 is made of foam material, a gap is formed between the upper heat-insulating member 300 and the inner wall of the housing 100, and a penetrating electric appliance chamber is formed in the upper heat-insulating member 300 and the supporting disk seat 400 and used for installing components such as a heating pipe, a water inlet pipe, a water outlet pipe, a temperature controller and the like of the electric water heater.

Referring to fig. 9, the supporting tray 400 is a circular casing structure, the supporting tray 400 is located above the upper thermal insulation member 300, specifically, a supporting groove 310 extending downward is formed in the upper thermal insulation member 300, and a supporting inner edge 450 extending downward is formed on the supporting tray 400.

Referring to fig. 4, 5 and 7, in the installed state, the bottom of the support inner rim 450 is in contact connection with the bottom of the support groove 310, and an annular foaming buffer zone 304 is formed between the support tray 400 and the upper thermal insulation member 300.

In the foaming material filling process, in order to ensure sufficient filling and heat preservation characteristics of the liner 200, the foaming amount filled in the foaming cavity needs to be sufficient, the redundant foaming material extends to the upper part of the upper heat preservation part 300 along the gap between the upper heat preservation part 300 and the inner wall of the shell 100, and the arrangement of the foaming buffer area 304 can buffer the foaming material, reduce the pressure of expansion of the foaming material on each component in the electric water heater, and reduce the generation of deformation.

In addition, the formation of the foaming buffer area 304 is also beneficial to the installation of the supporting tray seat 400, and after the inner container 200 and the upper heat preservation member 300 are installed, enough installation space is reserved in the connection process between the supporting tray seat 400 and the outer shell 100 and the upper heat preservation member 300.

Referring to fig. 5 to 8, the outer shell 100 of the electric water heater according to the present application is a cylindrical structure formed by sheet metal, and a first curled edge 101 and a second curled edge 102 bent inward are respectively formed at two ends of the outer shell 100.

The shell 100 is formed by a metal plate, so that a connecting gap generated by assembling the shell 100 after injection molding can be omitted, the risk of overflow of the foaming material from the connecting gap is reduced, the deformation of the foaming material acting on the cylindrical shell 100 is not obvious in the expansion process of the foaming material, and the finished product has good quality

In the installation, because inner bag 200, go up in heat preservation 300 installs in advance to shell 100, later support disk seat 400 installs in shell 100, because support disk seat 400 and the direct joint of first hem 101 of shell 100, it is more convenient to form the foaming clearance between support disk seat 400 and last heat preservation 300 to be favorable to supporting the in-process that disk seat 400 installed in shell 100, avoids the non-installation space that the in close contact caused, problem of installation difficulty.

Because of the positioning and supporting function of the upper heat insulating member 300 on the inner container 200, the foaming material extending upwards from the periphery of the upper heat insulating member 300 does not affect the position deviation of the inner container 200, and conversely, the stability of the matching between the upper heat insulating member 300 and the outer shell 100 and the inner container 200 can be further improved after the foaming material is cooled and shaped in a small amount.

The support disk seat 400 is provided with a horizontally arranged connecting surface 410, the connecting surface 410 is provided with an inner lapping edge 420 and an outer lapping edge 430 which extend upwards, a water storage tank is formed between the inner lapping edge 420 and the outer lapping edge 430, and external water can be prevented from directly entering the electric appliance chamber to reduce the generation of accumulated water.

Referring again to fig. 8, when the device is installed, the first curled edge 101 is clipped inside the outer overlapping edge 430, so as to realize the connection and fixation of the housing 100 and the supporting disk seat 400.

The outer edge of the first end cap 110 is located outside the inner overlapping edge 420, so that the support tray 400 is fixedly connected with the first end cap 110 and the outer shell 100.

To further achieve a stable connection between the support tray 400 and the first end cap 110, in some embodiments of the present application, a plurality of abutments 440 are formed circumferentially dispersed in the support tray 400.

The abutting portion 440 is a clamping groove structure formed on the sidewall of the electric appliance chamber, and a stopper 441 extending toward the center direction of the electric appliance chamber is formed above the clamping groove.

A plurality of buckles 111 are correspondingly formed on the first end cover 110, a positioning end head extending towards the outside is formed at the tail end of each buckle 111, and the first end cover 110 is detachably connected with the support disc seat 400 through the buckles 111.

For convenience of installation, a downward inclined plane is formed above the limiting block 441, and an inward inclined guide plane is also formed on one side of the positioning end head, which is in contact with the limiting block 441.

In the process that the first end cover 110 is installed towards the supporting disk seat 400, under the interaction of the inclined surface on the limiting block 441 and the guide surface on the positioning end head, the buckle 111 deflects inwards until the positioning end head is clamped below the limiting block 441, and at the moment, under the action of the buckle 111, the first end cover 110 is fixedly connected with the supporting disk seat 400.

Referring to fig. 6 again, the second end cap 120 is formed with a connecting flange 121 extending toward the inner container 200, the connecting flange 121 gradually expands outward along the extending direction thereof, and a plurality of notches are formed in the connecting flange 121 in a dispersed manner.

In the installation process, first, the second end cap 120 is installed downward from the upper opening position of the outer shell 100, and the connecting flange 121 is retracted inward under the action of the notch until the second end cap 120 extends out of the bottom of the outer shell 100.

The gap can provide a space for the connection flange 121 to be folded inwards in the center in the installation process of the second end cover 120, and besides, the connection flange 121 can be expanded to ensure that the inner wall of the shell 100 is tightly connected with the connection flange 121, so that the connection gap is reduced.

The second end cap 120 has a connecting flange 122 formed on the bottom periphery thereof, and after the second end cap 120 is fitted downward into position, the second bead 102 of the bottom of the outer shell 100 is caught on the connecting flange 122, so that the second end cap 120 is fitted to the outer shell 100.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments of the present invention are only examples, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also intended to be covered by the scope of the present invention.

Claims (10)

1. A support structure, comprising:

the inner container is formed by enclosing a top arc surface, a bottom arc surface and a vertical peripheral side surface;

the supporting base is positioned below the inner container, a plurality of supporting pieces are formed on the supporting base in a dispersed mode, and a conformal surface matched with the bottom arc surface is formed on each supporting piece; each support piece is also provided with a vertically upward support baffle arm, and the support baffle arm is in contact connection with the peripheral side face of the vertical direction.

2. The support structure of claim 1,

and a filling cavity is formed on one side of each supporting piece, which is far away from the inner container.

3. The support structure of claim 2,

the number of the supporting pieces is four, the supporting pieces are circumferentially distributed on the supporting base, and the filling cavity is gradually contracted inwards along the direction close to the axis of the liner.

4. An electric water heater comprising a housing to both ends of which a first end cap and a second end cap are removably attached, comprising a support structure according to any of claims 1 to 3 above, said support base being formed on said second end cap.

5. The electric water heater of claim 4,

the support assembly is positioned between the inner container and the first end cover and comprises an upper heat-insulating piece and a support disc seat positioned above the upper heat-insulating piece; and a penetrating electric appliance chamber is formed in the upper heat-insulating piece and the support disc seat.

6. The electric water heater of claim 5,

the shell is a cylindrical structure formed by sheet metal, and a first turned edge and a second turned edge which are bent inwards are formed at the two ends of the shell respectively.

7. The electric water heater of claim 6,

an inner lap joint edge and an outer lap joint edge which extend upwards are formed on the supporting disk seat, in an installation state, the outer edge of the first end cover is located on the outer side of the inner lap joint edge, and the first curling edge is clamped on the inner side of the outer lap joint edge.

8. The electric water heater of claim 7,

a plurality of butt joint parts are formed along the circumferential direction of the support disc seat in a dispersed mode, and a plurality of buckles are correspondingly formed on the first end cover.

9. The electric water heater of claim 8,

butt joint portion is for forming joint groove structure on the electrical apparatus room lateral wall, the joint inslot is formed with the stopper that extends to central direction, the end of buckle is formed with the location end that extends to the outside, under the installation state, location end joint is in the stopper below.

10. The electric water heater according to any one of claims 5-9,

the support disk seat is of an annular structure, a support inner edge extending downwards is formed on one side, close to the electric appliance chamber, of the support disk seat, a support groove is formed in the upper heat insulation piece, the bottom of the support inner edge is in contact connection with the bottom of the support groove in the installation state, and an annular foaming buffer area is formed between the support disk seat and the upper heat insulation piece.

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