CN215571202U - Electric water heater - Google Patents

Abstract

The utility model discloses an electric water heater, wherein an inner container and a heat preservation part are arranged in a shell, a foaming layer is formed between the shell and the inner container, the heat preservation part is arranged above the foaming layer, a water receiving tank is arranged at the top of the shell, an overflow hole is arranged in the water receiving tank, and water flowing into the water receiving tank flows to the outer side of the shell through the overflow hole, so that external water is effectively prevented from permeating into a product, and the waterproof performance of the product is improved.

Description

Electric water heater

Technical Field

The utility model relates to the technical field of household appliances, in particular to an electric water heater.

Background

The small kitchen appliance is used as a type of electric water heater, and is widely applied to occasions such as kitchens, toilets and the like because of the advantages of high heating speed, small volume and the like. The existing small kitchen appliance mainly has the following two structural forms:

1. the front and the back of the small kitchen appliance are provided with heat-insulating layers in a structure form: this kind of little kitchen is precious includes components such as shell, heat preservation, inner bag, and the installation cavity is formed to the inside of shell, and the installation cavity is located to the heat preservation, and the inside of heat preservation forms the inner chamber that is used for installing inner bag, electrical part. The structure has the defects that a gap exists between the heat-insulating layer and the shell, and water can permeate into the inner cavity through the gap to generate adverse effects on components such as the inner container, internal electric devices and the like; during the maintenance, need open shell and heat preservation simultaneously, just can maintain interior part, it is inconvenient to maintain.

2. The overall foaming type small kitchen appliance has the structural form that: this kind of little kitchen is precious need utilize the foaming frock to form the foaming heat preservation in the inside of casing, and the inside of heat preservation sets up the inner bag, and the electrical apparatus room is formed by solitary working of plastics, and this electrical apparatus room working of plastics is located in the shell. The disadvantages of this structure are: due to the existence of the plastic part in the electric appliance room, the heat preservation effect of the whole small kitchen appliance is poor; the foamed front shell, the foamed rear shell and the foamed electric appliance chamber are easy to deform, so that a maintenance cover on the electric appliance chamber is not well installed, and the product is integrally refined and unstable.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric water heater, aiming at the problems pointed out in the background technology, which has better water guiding and water proofing performance and can effectively prevent external water from permeating into the product through a shell.

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

the utility model provides an electric water heater, comprising:

a housing;

the inner container and the heat preservation piece are arranged in the shell;

a foaming layer is formed between the shell and the inner container, and the heat-insulating piece is arranged above the foaming layer;

the top of the shell is provided with a water receiving tank, an overflow hole is arranged in the water receiving tank, and water flowing into the water receiving tank flows to the outer side of the shell through the overflow hole.

In some embodiments of the present application, the overflow aperture is disposed proximate a rear side of the housing.

In some embodiments of the present application, a flow guiding inclined plane is disposed in the overflow hole.

In some embodiments of the present application, the water receiving tank has an inclined section that is inclined downward from the front side to the rear side of the housing.

In some embodiments of the present application, the bottom of the housing is provided with a plurality of feet, and the height of the feet at the front side is higher than the height of the feet at the rear side.

In some embodiments of the present application, a maintenance opening is formed in the top of the housing, a maintenance cover plate is arranged at the maintenance opening, the water receiving tank surrounds the maintenance opening, and the maintenance cover plate abuts against the outer side wall of the water receiving tank.

In some embodiments of the present application, an installation groove with an open bottom is formed in the heat preservation member, the upper portion of the inner container is located in the installation groove, and the inner surface of the installation groove abuts against the upper portion of the inner container along with the shape.

In some embodiments of the present application, the outer surface of the liner is composed of a top arc surface, a bottom arc surface and a vertical peripheral side surface, the top arc surface is arranged on the top of the vertical peripheral side surface and is tangent to the top arc surface, and the bottom arc surface is arranged on the bottom of the vertical peripheral side surface and is tangent to the bottom arc surface;

the top arc surface is completely positioned in the mounting groove, and the meeting position of the top arc surface and the vertical peripheral side surface is flush with the bottom end surface of the heat preservation piece.

In some embodiments of the present application, a foaming cavity is formed among the outer shell, the bottom end surface of the heat-insulating member, and the inner container located below the heat-insulating member;

the circumferential side end face abutting against the inner surface of the shell is arranged on the circumferential side surface of the heat preservation piece.

In some embodiments of the present application, the circumferential side end surface is adjacent to the bottom end surface of the heat retaining member, and a portion of the circumferential side surface of the heat retaining member located above the circumferential side end surface is recessed from the circumferential side end surface.

Compared with the prior art, the utility model has the advantages and positive effects that:

in the electric water heater disclosed by the application, water dripping on the top of the shell can permeate into the shell, and the permeated water is received by the water receiving tank and directly discharged by the overflow hole, so that the phenomenon that the inner container, the foaming layer and other internal structures are adversely affected due to continuous downward flowing of the permeated water is effectively avoided, and the waterproof performance of the electric water heater is improved.

The heat-insulating piece has certain heat-insulating property, so that the heat-insulating property of the electric water heater is improved.

By utilizing the easy processing property of the heat preservation piece, the heat preservation piece is easy to be designed differently aiming at shells and inner containers with different sizes and shapes, so that the heat preservation piece has stronger applicability and can be applied to electric water heaters of different types.

Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Drawings

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

FIG. 1 is a schematic side-front view of an electric water heater according to an embodiment;

fig. 2 is a schematic structural view of the electric water heater according to the embodiment, which is viewed from the side;

FIG. 3 is a cross-sectional view of an electric water heater according to an embodiment;

FIG. 4 is a schematic structural diagram of an electric water heater according to an embodiment, with a front shell and a maintenance cover plate omitted;

FIG. 5 is a schematic structural diagram of an electric water heater according to an embodiment without a maintenance cover plate;

FIG. 6 is a schematic view of the heat retaining member according to the embodiment, as viewed from the bottom side;

FIG. 7 is a schematic structural diagram of a rear housing according to an embodiment;

FIG. 8 is a schematic structural diagram of a front shell according to an embodiment;

fig. 9 is a schematic structural diagram of a service cover plate according to an embodiment.

Reference numerals:

100-a heat preservation part, 110-a circumferential side end face, 111-an inward shrinkage face and 120-a mounting groove;

200-inner container, 210-top arc surface, 220-bottom arc surface and 230-vertical peripheral side surface;

300-a shell, 310-a front shell, 311-a third screw hole, 312-a third clamping part, 313-a first gap, 320-a rear shell, 321-a fourth screw hole, 322-a fourth clamping part, 323-a second gap, 324-a groove part, 330-a maintenance port, 340-a water receiving tank, 341-an inclined section, 350-an overflow hole, 351-a diversion inclined plane, 360-a connecting frame, 361-a first screw hole, 370-a first clamping part and 380-a bottom foot;

400-maintenance cover plate, 410-second clamping part, 420-second screw hole;

500-foaming chamber.

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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 utility model. 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 invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

The electric water heater of the present embodiment, particularly a small kitchen appliance, includes a housing 300, an inner container 200, a thermal insulation member 100, and the like.

Referring to fig. 1 to 4, the outer case 300 has an approximately rectangular structure as a whole, and an inner cavity of the outer case 300 is used for mounting the inner container 200, the heat insulating member 100, and the like.

The housing 300 in this embodiment is vertically disposed, and the inner container 200 is vertically disposed in the housing 300.

A foaming layer is arranged between the shell 300 and the liner 200, and the heat preservation member 100 is arranged above the foaming layer.

Referring to fig. 5, a water receiving tank 340 is disposed at the top of the housing 300, an overflow hole 350 is disposed in the water receiving tank 340, and water flowing into the water receiving tank 340 flows to the outside of the housing 300 through the overflow hole 350.

In the present embodiment, the electric water heater is exemplified by a small kitchen appliance, and since the small kitchen appliance is generally installed below a kitchen sink or a bathroom wash basin, water drops generally fall on the top of the housing 300. The water dropping on the top may permeate into the interior of the housing, and the permeated water is received by the water receiving tank 340 and directly discharged through the overflow hole 350, so that the adverse effect on the internal structures such as the inner container 200 and the foaming layer caused by the continuous downward flow of the permeated water is effectively avoided, and the waterproof performance of the electric water heater is improved.

The heat insulation piece 100 has certain heat insulation performance, and is also beneficial to improving the heat insulation performance of the electric water heater.

By utilizing the easy processability of the heat preservation piece 100, the heat preservation piece 100 is easy to be designed differently aiming at the shells 300 and the inner containers 200 with different sizes and shapes, so that the heat preservation piece 100 has stronger applicability and can be applied to different types of electric water heaters.

In some embodiments of the present application, referring to fig. 5, the overflow hole 350 is disposed near the rear side of the housing 300, so as to drain water at the rear side, facilitate collection and treatment of the drained water, and not affect the sanitation of the user.

In some embodiments of the present application, referring to fig. 2, a diversion inclined plane 351 is disposed in the overflow hole 350, and the diversion inclined plane 351 inclines downward to prevent the drainage from being directly horizontally ejected and flowing along the outer surface of the housing 300.

In some embodiments of the present application, the water receiving tank 340 has an inclined section 341, and the inclined section 341 is inclined downward from the front side to the rear side of the housing 300 to ensure that water in the water receiving tank 340 can flow to the overflow hole 350 side of the rear side to be smoothly discharged from the overflow hole 350.

In some embodiments of the present application, referring to fig. 2, the bottom of the housing 300 is provided with a plurality of feet 380, and the height of the feet 380 located at the front side is higher than the height of the feet 380 located at the rear side. The design that the footing is high before back low is the overflow hole 350 of cooperation rear side to further improve the water conservancy diversion effect, guarantee that the infiltration converges to the overflow hole 350 of rear side in order to discharge backward by preceding.

In some embodiments of the present application, referring to fig. 1 and 5, a maintenance opening 330 is formed at the top of the housing 300, and a maintenance cover 400 is disposed at the maintenance opening 330, so that the top maintenance mode is easier to operate.

The water receiving tank 340 surrounds the maintenance opening 330, and the maintenance cover plate 400 is abutted against the outer side wall of the water receiving tank 340. When the electric water heater is used for a long time, water can permeate from a gap between the maintenance cover plate 400 and the water receiving groove 340, the water receiving groove 340 receives the permeated water and then discharges the permeated water through the overflow hole 350, and the water is prevented from continuously permeating downwards.

In some embodiments of the present application, the thermal insulation member 100 may be a foam member, which has advantages of thermal insulation, easy processing, and the like.

In some embodiments of the present application, referring to fig. 3 and 6, an installation groove 120 with an open bottom is provided in the thermal insulation member 100, the upper portion of the inner container 200 is located in the installation groove 120, and the inner surface of the installation groove 120 is closely contacted with the upper portion of the inner container 200, so that the thermal insulation member 100 and the inner container 200 can be more reliably attached together, the structural stability is improved, and the foaming material is prevented from overflowing into a gap between the thermal insulation member 100 and the inner container 200.

When the thermal insulation piece 100 is installed, the thermal insulation piece is directly buckled on the top of the inner container 200.

Referring to fig. 3, the liner 200 is a conventional approximately elliptical liner, the outer surface of the liner 200 is composed of a top arc surface 210, a bottom arc surface 220 and a vertical circumferential side surface 230, the top arc surface 210 is disposed on the top of the vertical circumferential side surface 230 and is tangent to the vertical circumferential side surface 230, and the bottom arc surface 220 is disposed on the bottom of the vertical circumferential side surface 230 and is tangent to the vertical circumferential side surface 230.

The top arc surface 210 is completely positioned in the mounting groove 120, and the meeting position of the top arc surface 210 and the vertical peripheral side surface 230 is flush with the bottom end surface of the thermal insulation member 100.

The bottom end surface of the heat preservation piece 100 is not positioned on the top arc surface 210, so that on one hand, the volume of the inner container 200 embedded into the heat preservation piece 100 is increased as much as possible, and the compact design effect is improved; on the other hand, the shape of the top arc surface 210 is adapted, after the heat preservation member 100 is buckled on the top of the inner container 200, whether the installation place of the heat preservation member 100 is correct or not is easy to observe, if the heat preservation member 100 has a deviation, a gap can be formed between the inner surface of the bottom of the installation groove 120 and the inner container 200, the problem can be easily found in the installation process, and therefore, the foaming material in the later period is prevented from overflowing from the gap.

Referring to fig. 3 and 6, the heat insulating member 100 has a circumferential side end surface 110 on a circumferential side surface thereof, which abuts against an inner surface of the housing 300, to ensure abutment between the heat insulating member 100 and the housing 300, and to prevent a gap from occurring therebetween, thereby preventing flash.

The circumferential side end face 110 only surrounds an annular side face on the circumferential side surface of the heat insulating member 100, the whole circumferential side surface of the heat insulating member 100 is not required to be abutted against the inner surface of the shell, the anti-flash effect is ensured, the processing requirement of the matching surface between the heat insulating member 100 and the shell 300 is reduced to a certain extent, and the processing efficiency is improved.

The circumferential side end surface 110 is adjacent to the bottom end surface of the heat insulating member 100, and the bottom end surface of the heat insulating member 100 is the top surface of the foaming chamber 500.

The portion of the circumferential side surface of the heat retaining member 100 above the circumferential side end surface is recessed to the circumferential side end surface to form a recessed surface 111, and the recessed portion is convenient for giving way to other structures (such as traces of electric devices).

In some embodiments of the present application, the housing 300 includes a front case 310 and a rear case 320.

Referring to fig. 8, a plurality of third screw holes 311 are respectively formed at left and right sides and a bottom side of the front case 310, and a third engaging portion 312 is further formed at the bottom side of the front case 310; referring to fig. 9, a plurality of fourth screw holes 321 are respectively formed at the left side, the right side and the bottom side of the rear case 320, and a fourth clamping portion 322 is further formed at the bottom side of the rear case 320; the third screw hole 311 and the fourth screw hole 321 are provided with screws, and the third clamping portion 312 is clamped with the fourth clamping portion 322 to realize the fastening connection between the front shell 310 and the rear shell 320.

In this embodiment, the third clamping portion 312 is a clamping claw structure, the fourth clamping portion 322 is a clamping hole structure, and in the installation process of the front shell 310 and the rear shell 320, the front shell 310 and the rear shell 320 are pre-positioned by clamping between the third clamping portion 312 and the fourth clamping portion 322, so that the subsequent screws can be conveniently installed.

Referring to fig. 7, the rear case 320 is provided with a groove portion 324, the fourth screw hole 321 is located in the groove portion 324, the screw is driven in from the rear side of the outer case 300, the screw is not visible from the front side surface of the electric water heater, the appearance is more attractive, the groove portion 324 plays a role in shielding and preventing water for the screw, and the situation that the screw is rusted after long-term water spraying and cannot be detached is avoided.

The top of the front shell 310 is provided with a first notch 311, the top of the rear shell 320 is provided with a second notch 323, and after the front shell 310 is connected with the rear shell 320, the first notch 313 and the second notch 323 are just butted to form a maintenance opening 330.

Referring to fig. 5 and 7, a connection frame 360 and a plurality of first clamping portions 370 are disposed at the maintenance opening 330 of the housing 300, and first screw holes 361 are disposed on the connection frame 360. Referring to fig. 9, the maintenance cover 400 is correspondingly provided with a second clamping portion 410 and a second screw hole 420. The first screw hole 361 and the second screw hole 420 are provided with screws, and the first clamping portion 370 and the second clamping portion 410 are clamped to realize the fastening connection between the maintenance cover plate 400 and the housing 300.

The maintenance cover plate 400 can be connected with the shell 300 through one screw, the number of screws is small, and the disassembling and assembling processes and time are greatly reduced. And the fastening structure between the maintenance cover 400 and the housing 300 is more reliable by the snap-fit of the first and second snap- fit portions 370 and 410.

In this embodiment, the first clamping portion 370 is a protruding structure facing the maintenance opening 330, and the second clamping portion 340 is a clamping jaw, and the protruding structure is clamped with the groove structure on the clamping jaw.

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 description is only for the specific embodiments of the present invention, 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 included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An electric water heater, comprising:

a housing;

the inner container and the heat preservation piece are arranged in the shell;

a foaming layer is formed between the shell and the inner container, and the heat-insulating piece is arranged above the foaming layer;

the top of the shell is provided with a water receiving tank, an overflow hole is arranged in the water receiving tank, and water flowing into the water receiving tank flows to the outer side of the shell through the overflow hole.

2. The electric water heater of claim 1,

the overflow aperture is disposed proximate a rear side of the housing.

3. The electric water heater of claim 1,

and a flow guide inclined plane is arranged in the overflow hole.

4. The electric water heater of claim 1,

the water receiving tank is provided with an inclined section which is obliquely and downwards inclined from the front side to the rear side of the shell.

5. The electric water heater of claim 1,

the bottom of the shell is provided with a plurality of feet, and the height of the feet positioned on the front side is higher than that of the feet positioned on the rear side.

6. The electric water heater of claim 1,

the top of shell is equipped with the maintenance mouth, maintenance mouth department is equipped with the maintenance apron, the water receiving tank encircles the maintenance mouth, the maintenance apron with the lateral wall of water receiving tank is close to.

7. The electric water heater according to any one of claims 1 to 6,

an installation groove with an open bottom is arranged in the heat preservation piece, the upper part of the inner container is positioned in the installation groove, and the inner surface of the installation groove is abutted against the upper part of the inner container along with the shape.

8. The electric water heater of claim 7,

the outer surface of the inner container consists of a top arc surface, a bottom arc surface and a vertical peripheral side surface, wherein the top arc surface is arranged at the top of the vertical peripheral side surface and is tangent to the top arc surface, and the bottom arc surface is arranged at the bottom of the vertical peripheral side surface and is tangent to the bottom arc surface;

the top arc surface is completely positioned in the mounting groove, and the meeting position of the top arc surface and the vertical peripheral side surface is flush with the bottom end surface of the heat preservation piece.

9. The electric water heater of claim 8,

a foaming cavity is formed among the shell, the bottom end surface of the heat-insulating piece and the liner below the heat-insulating piece;

the circumferential side end face abutting against the inner surface of the shell is arranged on the circumferential side surface of the heat preservation piece.

10. The electric water heater of claim 9,

the circumferential side end face is close to the bottom end face of the heat preservation piece, and the part, located above the circumferential side end face, of the circumferential side surface of the heat preservation piece is retracted into the circumferential side end face.

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