CN217236063U

CN217236063U - Electric water heater

Info

Publication number: CN217236063U
Application number: CN202122525398.9U
Authority: CN
Inventors: 杨世恩; 梁添杰; 邓飞忠; 仇明贵; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-08-19
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses an electric water heater, include: a housing having an open end; the inner container is arranged in the shell, and a foaming cavity is defined between the shell and the inner container; a lower end cap detachably disposed on the open end of the housing; the lower foam component is arranged on the open end of the shell so as to be positioned in the middle of the lower end cover and the inner container, and a filling port communicated with the foaming cavity is formed in the lower foam component; the heat preservation component is injected into the foaming cavity through the injection port. The heat insulation device is simple in structure and convenient to disassemble and assemble, and can effectively improve the heat insulation performance of the product.

Description

Electric water heater

Technical Field

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

Background

The small kitchen appliance is a type of electric water heater, has the advantages of high heating speed, small volume and the like, and is mainly matched with a water tank faucet for use. In the correlation technique, the small kitchen of the majority is mainly to set up preceding, back plastic casing, independent EPS heat preservation, interior etc. and constitutes, and the internally mounted chamber of front and back shell, heat preservation are installed in the shell intracavity, and the inside of heat preservation has other parts such as the inner chamber that are used for installing the inner bag. The structure has the defects that the heat-insulating layer is made of EPS foam and is formed by butting two parts, so that the gap between the inner container and the shell is larger, the heat-insulating effect is poor, and the energy efficiency grade is not high; the installation adopts the hook installation, the hook structure is arranged on the plastic shell and is matched with the hook for use, and the installation is inconvenient and the like due to the narrow installation space; when in maintenance, the internal parts can be maintained only after the plastic shell is opened, and the maintenance is very inconvenient.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides an electric water heater, its simple structure, easy dismounting can effectively improve the thermal insulation performance of product.

The above purpose is realized by the following technical scheme:

an electric water heater comprising:

a housing having an open end;

the inner container is arranged in the shell, and a foaming cavity is defined between the shell and the inner container;

a lower end cap detachably disposed on the open end of the case;

the lower foam component is arranged on the open end of the shell so as to be positioned in the middle of the lower end cover and the inner container, and a filling port communicated with the foaming cavity is formed in the lower foam component;

the heat preservation component is injected into the foaming cavity through the injection port.

In some embodiments, the maintenance plate is detachably disposed at the opening position, and the lower end cover is provided with an opening corresponding to the mounting opening.

In some embodiments, a fastener is disposed on the repair plate, a bayonet is disposed on the lower end cap, and the fastener is cooperatively connected with the bayonet to enable the repair plate to be connected with the lower end cap in a snap-fit manner.

In some embodiments, a connection port is opened on the repair plate, a connection portion is provided on the lower cap, and a screw member is connected to the connection portion after passing through the connection port to assemble the repair plate and the lower cap together.

In some embodiments, a mounting cavity is recessed in the lower foam member, and the mounting opening and the injection opening are respectively located in the mounting cavity.

In some embodiments, the housing further comprises an upper end cap disposed at an upper end of the housing.

In some embodiments, further comprising an upper foam member disposed at an upper end of the housing such that the upper foam member is located intermediate the upper end cap and the housing.

In some embodiments, a concave portion is concavely formed on the upper foam member, a water inlet and a water outlet are respectively formed on the concave portion, and a water through hole corresponding to the water inlet and a water through hole corresponding to the water outlet are respectively formed on the upper end cap.

In some embodiments, the upper end and the lower end of the housing are respectively provided with a clamping groove, a first fixing groove matched with the clamping groove is formed in the edge position of the upper end cover in a downward concave manner, and a second fixing groove matched with the clamping groove is formed in the edge position of the lower end cover in an upward concave manner.

In some embodiments, the end cover further comprises bosses which are symmetrically arranged on two sides of the lower end cover respectively.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model discloses an electric water heater, its simple structure, easy dismounting can effectively improve the thermal insulation performance of product.

Drawings

Fig. 1 is a schematic view of a first structure of an electric water heater according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of an electric water heater according to a first embodiment of the present invention;

fig. 3 is a cross-sectional view of an electric water heater according to a first embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

FIG. 5 is an enlarged partial schematic view of portion B of FIG. 3;

fig. 6 is a schematic structural view of a lower end cap according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of an upper end cap according to a first embodiment of the present invention;

FIG. 8 is a schematic view of a lower foam member according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of an upper foam member according to a first embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a maintenance plate according to a first embodiment of the present invention;

fig. 11 is a schematic structural view of a second embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the scope of the claimed technical solution of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 10, the present embodiment provides an electric water heater, including:

a housing 1, the housing 1 having an open end;

the inner container 2 is arranged in the shell 1, and a foaming cavity 21 is defined between the shell 1 and the inner container 2;

a lower end cover 3, wherein the lower end cover 3 is detachably arranged on the open end of the shell 1;

the lower foam component 4 is arranged at the open end of the shell 1 so as to be positioned at the middle position between the lower end cover 3 and the inner container 2, and a filling port 41 communicated with the foaming cavity 21 is formed in the lower foam component 4;

and a heat insulating member which is injected into the foaming chamber 21 through the injection port 41.

In this embodiment, a hollow receiving chamber is defined in the housing 1, and upper and lower ends of the receiving chamber are opened, the inner container 2 is placed into the receiving chamber through the opened end of the housing 1, so that a foaming chamber 21 is defined between the circumferential side wall of the inner container 2 and the inner wall of the casing 1, the lower cap 3 is detachably provided at the lower end position of the casing 1 so that the lower cap 3 is located on the open end of the casing 1, a lower foam component 4 is detachably arranged at the middle position of the lower end cover 3 and the inner container 2, the upper end of the lower foam component 4 is matched and connected with the lower end of the inner container 2 so that the lower foam component 4 limits the installation of the inner container 2, the lower foam component 4 is provided with the injection port 41 communicated with the foaming cavity 21, and the heat-insulating component is injected into the foaming cavity 21 through the injection port 41.

In this embodiment, casing 1 is preferred the metal material to be made, but is not limited to the metal material, still can select other more suitable materials to make according to actual demand, makes through making casing 1 adopt the metal material to subvert the conventional design thinking that current little kitchen precious electric water heater adopted the plastic casing, effectively improved the life of product simultaneously. The heat insulating member is preferably a foamed material having a heat insulating effect, but is not limited to the above-mentioned material, and other more suitable materials may be selected according to actual needs.

Further, the maintenance plate 5 is further included, a mounting opening 42 is formed in the lower foam member 4, an opening 31 is formed in the lower end cover 3, the opening 31 is arranged corresponding to the mounting opening 42, and the maintenance plate 5 is detachably arranged at the position of the opening 31.

Preferably, a fastener 51 is disposed on the maintenance plate 5, a bayonet 32 is disposed on the lower end cap 3, and the fastener 51 is matched and connected with the bayonet 32 to enable the maintenance plate 5 to be connected with the lower end cap 3 in a snap-fit manner.

Specifically, a connection port 52 is opened on the maintenance plate 5, a connection portion 33 is provided on the lower end cap 3, and a screw member is connected to the connection portion 33 after passing through the connection port 52 to assemble the maintenance plate 5 and the lower end cap 3 together.

Further, a mounting cavity 43 is concavely arranged on the lower foam member 4, and the mounting opening 42 and the injection opening 41 are respectively positioned in the mounting cavity 43.

In this embodiment, seted up penetrating installing port 42 on foam component 4 down, thereby do benefit to and assemble the flange on the inner bag 2, opening 31 has been seted up in the intermediate position department of lower extreme cover 3, detachably is provided with maintenance board 5 in opening 31 position department, dismouting through maintenance board 5 is so that maintenance board 5 and lower extreme cover 3 assemble together or separate, thereby do benefit to the operator and maintain the flange of installing port 42 department through opening 31, and the concave breach 36 that is equipped with on lower extreme cover 3 is so that the operator separates lower extreme cover 3 and maintenance board 5, the concave installation cavity 43 that is equipped with from bottom to top in lower extreme position department of foam component 4 down, installing port 42, sprue 41 is located installation cavity 43 respectively. In addition, in this embodiment, the fasteners 51 are respectively disposed at intervals at the edge position of the maintenance plate 5 along the circumferential direction of the maintenance plate 5, the corresponding positions of the openings 31 of the lower end cap 3 are provided with the bayonets 32 engaged with the fasteners 51, meanwhile, the maintenance plate 5 is provided with the through connectors 52, the lower end cap 3 is provided with the connecting portions 33 for facilitating the installation of screws, and the connecting portions 33 are disposed corresponding to the connectors 52, first, the fasteners 51 are engaged with the bayonets 32 by external force to allow the maintenance plate 5 to be engaged with the lower end cap 3, and then, the screw members are engaged with the connecting portions 33 after passing through the connectors 52 to detachably assemble the maintenance plate 5 and the lower end cap 3. In this embodiment, the temperature limiter is disposed on the inner container 2, so that an assembly table 35 for facilitating installation of the temperature limiter is disposed at the opening 31 of the lower end cover 3, and an assembly opening matched with the assembly table is disposed on the maintenance plate 5.

Further, an upper end cover 6 is included, and the upper end cover 6 is arranged at the upper end of the shell 1.

Preferably, an upper foam member 7 is further included, the upper foam member 7 being disposed at the upper end of the housing 1 such that the upper foam member 7 is located at a position intermediate the upper end cover 6 and the housing 1.

Specifically, the upper foam member 7 is concavely provided with a lower concave portion 71, the lower concave portion 71 is respectively provided with a water inlet 72 and a water outlet 73, and the upper end cover 6 is respectively provided with a water through hole 61 corresponding to the water inlet 72 and a water through hole 62 corresponding to the water outlet 73.

In this embodiment, because the upper and lower ends of the casing 1 are open respectively, the lower end of the casing 1 is provided with the lower end cap 3, the upper end of the casing 1 is provided with the upper end cap 6, the middle position between the upper end cap 6 and the inner container 2 is provided with the upper foam member 7, the lower end of the upper foam member 7 is matched and assembled with the upper end of the inner container 2 so that the upper foam member 7 limits the installation of the inner container 2, the upper end of the upper foam member 7 is provided with the lower concave portion 71 from top to bottom, the lower concave portion 71 is provided with the water inlet 72 and the water outlet 73 respectively, correspondingly, the upper end cap 6 is provided with two through holes respectively forming the water through hole and the water through hole, the two through holes are respectively arranged corresponding to the water inlet 72 and the water outlet 73, the inner container 2 is communicated with the water inlet pipe and the water outlet pipe, and the water inlet pipe sequentially penetrates through the water inlet 72 and the water outlet pipe at the end far away from the inner container 2, The through hole is communicated with external water supply, and one end of the water outlet pipe far away from the inner container 2 sequentially penetrates through the water outlet 73 and the through hole and is communicated with an external water consumption point. In addition, the lower foam member 4 and the upper foam member 7 are preferably made of foam material having heat insulation effect, but not limited to the above materials, and other more suitable materials can be selected according to actual requirements.

Preferably, the upper and lower ends of the housing 1 are respectively provided with a clamping groove 11, a first fixing groove 63 matched with the clamping groove 11 is concavely provided at the edge position of the upper end cover 6, and a second fixing groove 34 matched with the clamping groove 11 is concavely provided at the edge position of the lower end cover 3.

In this embodiment, the upper and lower ends of the housing 1 are respectively provided with the locking grooves 11, that is, the upper end of the housing 1 is provided with the locking groove 11 along the circumferential direction, the opening 31 of the locking groove 11 at the upper end of the housing 1 is arranged downward, the lower end of the housing 1 is provided with the locking groove 11 along the circumferential direction, the opening 31 of the locking groove 11 at the lower end of the housing 1 is arranged upward, the edge of the upper end cap 6 is provided with a first locking groove 63 which is recessed downward and matched with the locking groove 11, the first locking groove 63 has an opening with an open upper end to make the cross section of the first locking groove 63 be step-shaped, the edge of the lower end cap 3 is provided with a second locking groove 34 which is recessed upward and matched with the locking groove 11, the second locking groove 34 has an opening with an open lower end to make the cross section of the second locking groove 34 be step-shaped, and the upper end cap 6 and the upper end of the housing 1, and the lower end cap 3 and the lower end of the housing 1 are fastened together, therefore, the upper end cover and the lower end cover are respectively fastened with the upper end and the lower end of the shell 1, and the upper foam component and the lower foam component are respectively connected with the corresponding end covers to completely offset the foaming pressure, so that the processing stability of the product is improved, and the heat insulation effect of the product is further improved. Because seamless connection is realized between upper and lower both ends of upper and lower both ends cover and casing 1, so make the heat preservation component in foaming chamber 21 unable to overflow outward, the heat preservation component flows and is filled up behind foaming chamber 21 and cools off the design to play the location support effect to upper and lower two heat preservation foam components, further improve the cooperation fastening nature between heat preservation component and inner bag 2 after upper and lower heat preservation component cools off the design. In addition, because both ends are the arcwall face about inner bag 2 to make the diapire of upper end cover 6, the roof of lower extreme lid 3 all sunken set up to matched with arcwall face, and then do benefit to and realize supporting the positioning action to inner bag 2, do benefit to the direct ground formula installation of electric water heater simultaneously and place on table surface.

In particular, the end cover further comprises bosses 8, and the bosses 8 are symmetrically arranged on two sides of the lower end cover 3 respectively.

In this embodiment, screw fixing holes are respectively formed in two sides of the bottom wall of the lower end cover 3, meanwhile, a clamping hole is further formed in the lower end cover 3, a fastening pin matched with the clamping hole is convexly arranged on the boss 8, firstly, the fastening pin is matched and connected with the clamping hole to limit the boss 8 on the lower end cover 3, then, a screw component penetrates through the boss 8 and then is matched and connected with the screw fixing holes, and therefore the bosses 8 are symmetrically arranged on two sides of the lower end cover 3 respectively, and the stable placement of a product on a workbench surface is facilitated. In addition, in order to effectively improve convenience of the product, the height of the boss 8 may be preferably set to 8mm to 10 mm.

Example two:

as shown in fig. 1 to 9 and fig. 11, the present embodiment provides an electric water heater including the electric water heater according to any one of the embodiments. What is different from the first embodiment is that the fastening member 51 in this embodiment has a first fastening member 53 and a second fastening member 54, similarly, the bayonet 32 has a first bayonet and a second bayonet, because the maintenance plate 5 and the opening 31 have two opposite side ends respectively, the first fastening member 53 is convexly disposed on the left side end or the right side end of the maintenance plate 5, the first bayonet is correspondingly disposed at the position of the opening 31 of the lower end cover 3, the first bayonet is connected with the first fastening member 53 in a matching manner, the second fastening member 54 is disposed on the front and rear side ends of the maintenance plate 5, the second bayonet is correspondingly disposed at the position of the opening 31 of the lower end cover 3, the second bayonet is connected with the second fastening member 54 in a matching manner, and the second fastening member 54 has a connecting section and a bending section connected with each other, wherein one end of the connecting section is connected with the maintenance plate 5, and the other end of the connecting section extends in the vertical direction and then is bent to form a "7" structure by the second fastening member 54, and the direction of bending of the section of bending is the same with the protruding direction of first fastener 53, at first through the exogenic action be used for making first fastener 53 stretch into first bayonet socket, second fastener 54 stretches into in the second bayonet socket simultaneously, then promote maintenance board 5 by the right side to turn left or turn right by the left side and move, thereby make first fastener 53 and first bayonet socket cooperate and be connected, and second fastener 54 and second bayonet socket cooperate and be connected, and then further improve the fastening nature of assembling between maintenance board 5 and the lower end cover 3, so can make maintenance board 5 and lower end cover 3 buckle link together, then make screw member pass behind connector 52 with connecting portion 33 cooperate and be connected in order to assemble maintenance board 5 and lower end cover 3 detachably together.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. An electric water heater, comprising:

a housing (1), said housing (1) having an open end;

the inner container (2) is arranged in the shell (1), and a foaming cavity (21) is defined between the shell (1) and the inner container (2);

the lower end cover (3), the said lower end cover (3) is set up on the open end of the said body (1) removably;

the lower foam component (4) is arranged on the open end of the shell (1) so as to be positioned in the middle position between the lower end cover (3) and the inner container (2), and a filling port (41) communicated with the foaming cavity (21) is formed in the lower foam component (4);

the heat preservation component is injected into the foaming cavity (21) through the injection port (41).

2. The electric water heater according to claim 1, further comprising a maintenance plate (5), wherein a mounting opening (42) is opened on the lower foam member (4), an opening (31) is opened on the lower end cover (3), the opening (31) is disposed corresponding to the mounting opening (42), and the maintenance plate (5) is detachably disposed at the position of the opening (31).

3. An electric water heater according to claim 2, characterized in that a fastener (51) is arranged on the service plate (5), a bayonet (32) is arranged on the lower end cover (3), and the fastener (51) is matched and connected with the bayonet (32) to enable the service plate (5) to be connected with the lower end cover (3) in a snap-fit manner.

4. The electric water heater according to claim 2, wherein a connecting port (52) is opened on the maintenance plate (5), a connecting portion (33) is provided on the lower end cap (3), and a screw member is connected to the connecting portion (33) after passing through the connecting port (52) to assemble the maintenance plate (5) and the lower end cap (3) together.

5. The electric water heater according to claim 2, wherein a mounting cavity (43) is concavely arranged on the lower foam member (4), and the mounting opening (42) and the injection opening (41) are respectively positioned in the mounting cavity (43).

6. An electric water heater according to claim 1, further comprising an upper end cap (6), said upper end cap (6) being arranged at the upper end of said housing (1).

7. An electric water heater according to claim 6, further comprising an upper foam member (7), the upper foam member (7) being disposed at the upper end of the housing (1) such that the upper foam member (7) is located at a position intermediate the upper end cap (6) and the housing (1).

8. The electric water heater according to claim 7, wherein a lower concave portion (71) is concavely provided on the upper foam member (7), a water inlet (72) and a water outlet (73) are respectively opened on the lower concave portion (71), and a water through hole (61) corresponding to the water inlet (72) and a water through hole (62) corresponding to the water outlet (73) are respectively opened on the upper end cover (6).

9. The electric water heater according to claim 7, wherein the housing (1) is provided with a locking slot (11) at each of the upper and lower ends thereof, a first fixing slot (63) is recessed downward at the edge of the upper end cap (6) for engaging with the locking slot (11), and a second fixing slot (34) is recessed upward at the edge of the lower end cap (3) for engaging with the locking slot (11).

10. The electric water heater according to any one of claims 1 to 9, further comprising bosses (8), wherein the bosses (8) are respectively and symmetrically arranged on two sides of the lower end cover (3).