CN217524628U - Liquid heater - Google Patents

Abstract

The utility model belongs to the technical field of drinking water appliances, a liquid heater is provided, including the inner bag, the cover is established at the shell of inner bag, install the handle components at the shell, handle components is formed with and holds the chamber, holds the upper end intercommunication in chamber between shell and inner bag, handle components includes first handle portion, second handle portion and sealing member, first handle portion and second handle enclose to close to form and hold the chamber, and the fixed sealing member of first handle portion and second handle portion centre gripping to make the sealing member separate and hold the chamber. The sealing member separates the holding cavity, so that steam or liquid entering the holding cavity is blocked in the holding cavity above the sealing member, the steam or liquid is prevented from further entering the holding cavity below the sealing member, and other electrical elements such as a circuit board in the liquid heater are protected.

Description

Liquid heater

Technical Field

The application belongs to the technical field of drinking water appliances, and particularly relates to a liquid heater.

Background

The liquid heater is used as a common small household appliance product for daily requirements of families, has the functions of electrifying, heat preservation and heating storage, can adjust the heat preservation temperature, is very convenient to use, is more and more favored by consumers, and has a wide market.

Among the prior art, liquid heater includes the inner bag, the cover is established the shell in the inner bag outside, install the handle on the shell, the handle forms and holds the chamber, and the switch generally sets up on the handle, the circuit board sets up between inner bag and shell bottom, because the steam control outage that most of liquid heater can produce according to heating back liquid, so vapor and liquid can inevitably get into and hold the intracavity, and on holding the circuit board that the intracavity cooling formed the water droplet and got into the bottom, and inside water receiving and pouring in-process liquid also got into the handle easily. If the circuit board is completely encapsulated, the cost is too high, and the profit or the price of the product is affected. If the circuit board is waterproof not good, in the process of user's use, the condition that the circuit board burns out and leads to the unable work of machine will take place occasionally, has increased the rate of reprocessing of product, influences user's experience.

Provide a waterproof type intelligence kettle as in patent CN105581650A, make it laminate in the motor through set up inboard sealing washer and outside sealing washer in the motor both sides to reach the difficult mesh of intaking of motor. Further, patent CN210018958U discloses a waterproof electric kettle, in which a circuit board cover is provided on a circuit board, and an outer side wall of the circuit board cover abuts against an inner wall of a handle cover. In both the prior art, the silica gel sealing element is sleeved outside the part needing waterproof protection, and the silica gel sealing element is added to the parts such as the motor and the circuit board to limit the installation and arrangement modes of the parts, so that the structure of the plastic shell at the parts such as the circuit board is not facilitated to be simplified.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a liquid heater encloses at first handle portion and second handle portion and closes the intracavity that holds that forms and set up the sealing member to by the common centre gripping sealing member of first handle portion and second handle portion, the sealing member will hold the chamber and separate, makes the steam or the liquid that get into to hold the chamber by the separation in the intracavity that holds of sealing member top, has avoided liquid further to get into the intracavity that holds of sealing member below, thereby plays the guard action to other electrical components such as circuit board in the liquid heater.

In order to solve the problem, the utility model provides a liquid heater, establish the shell at the inner bag, install the handle components at the shell including inner bag, cover, handle components is formed with and holds the chamber, and the upper end intercommunication that holds the chamber is between shell and inner bag, and handle components includes first handle portion, second handle portion and sealing member, and first handle portion and second handle enclose to close to form and hold the chamber, and the fixed sealing member of first handle portion and second handle portion centre gripping to make the sealing member separate and hold the chamber.

Further, one of the first handle portion and the second handle portion is formed with a reinforcing rib that sandwiches and fixes the sealing member to the other of the first handle portion and the second handle portion.

Further, the sealing member has a groove into which the reinforcing rib extends.

Furthermore, one of the first handle part and the second handle part opposite to the reinforcing rib is provided with a sealing rib, the sealing rib extends to the side of the reinforcing rib, and the sealing rib and the reinforcing rib clamp the sealing element.

Furthermore, the sealing member is a silica gel sealing member, a sealing convex rib is formed on the surface side of the silica gel sealing member, and the sealing convex rib is clamped by the sealing rib.

Furthermore, the top of the reinforcing rib is concave, and the sealing rib and the sealing piece are in sealing butt joint at the concave area of the reinforcing rib.

Furthermore, the first handle part is a handle seat integrally connected with the shell, the second handle part is a handle cover, and the reinforcing ribs are arranged on the handle seat.

Further, the space in the containing cavity and on the lower side of the sealing element forms an electronic installation space, and the liquid heater further comprises an electrical element installed in the containing cavity and on the lower side of the sealing element.

Further, the lower end of the handle assembly is connected with the shell, a water retaining sheet is arranged at the bottom of the accommodating cavity, and the water retaining sheet is closed to the accommodating cavity.

Further, the liquid heater also comprises a pot cover covered on the inner container, the pot cover is hinged on the handle assembly, a downward convex water retaining rib is formed on the pot cover, and the water retaining rib shields a gap between the inner container and the pot cover at the position of the handle assembly.

The beneficial effects of the utility model reside in that: enclose at first handle and second handle and close the intracavity that holds that forms and set up the sealing member, and by the common centre gripping sealing member of first handle portion and second handle portion, the sealing member will hold the chamber and separate into two or a plurality of regions, make the liquid that gets into to hold the chamber by the separation in the intracavity that holds of sealing member top, steam or liquid have been avoided further to get into the intracavity that holds of sealing member below, thereby play the guard action to other electrical components such as circuit board in the liquid heater, eliminate the potential safety hazard that electrical components such as circuit board intake and probably cause, prolong liquid heater's life, the qualification rate and the user experience of improvement product.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention. In the drawings:

fig. 1 is a schematic sectional view of the liquid heater of the present invention.

Fig. 2 is a perspective view of the first handle portion in the embodiment shown in fig. 1.

Fig. 3 is a perspective view of the second handle portion of the embodiment of fig. 1.

Fig. 4 is a schematic perspective view of the sealing member in the embodiment shown in fig. 1.

Fig. 5 is a schematic perspective view of the lid of fig. 1.

Fig. 6 is a schematic perspective view of another embodiment of the present invention.

Wherein, 10, the inner container; 20. a housing; 30. a handle assembly; 301. an accommodating chamber; 3011. an electronic installation space; 302. a first handle portion; 3021. reinforcing ribs; 303. a second handle portion; 3031. sealing the ribs; 304. a seal member; 3041. a groove; 3042. sealing the convex ribs; 305. a water retaining sheet; 40. a pot lid; 401. water retaining ribs; 50. and (3) electrical components.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The utility model discloses in, as shown in fig. 1-6, provide a liquid heater, including inner bag 10, the cover establish at the shell 20 of inner bag 10, install the handle components 30 at shell 20, handle components 30 is formed with and holds chamber 301, and the upper end intercommunication that holds chamber 301 is between shell 20 and inner bag 10, and handle components 30 includes first handle portion 302, second handle portion 303 and sealing member 304, and first handle portion 302 and second handle enclose to close and form and hold chamber 301, and first handle portion 302 and second handle portion 303 centre gripping fixed seal 304 to make sealing member 304 separate and hold chamber 301.

In the liquid heater, as shown in fig. 1, an inner container 10 is used for containing liquid, a casing 20 for protecting the inner container 10 is arranged outside the inner container 10, electrical components 50 such as a circuit board and the like are arranged in a space between the inner container 10 and the bottom of the casing 20, a handle assembly 30 is arranged on the casing 20, a containing cavity 301 is formed by a first handle part 302 and a second handle part 303 of the handle assembly 30, the electrical components 50 such as electric wires, displays or switches are generally arranged in the containing cavity 301, the first handle part 302 and the second handle part 303 clamp and fix a sealing element 304 together, and the sealing element 304 divides the containing cavity 301 into at least an upper part and a lower part.

The utility model discloses a enclose at first handle and second handle and close the chamber 301 that holds that forms and set up sealing member 304, and by the common centre gripping sealing member 304 of first handle portion 302 and second handle portion 303, sealing member 304 will hold chamber 301 and separate into two or a plurality of regions, make the liquid that gets into to hold chamber 301 by the separation in the chamber 301 that holds of sealing member 304 top, avoided liquid further to get into the chamber 301 that holds of sealing member 304 below, thereby other electrical components 50 such as the circuit board to the liquid heater bottom play the guard action, eliminate the potential safety hazard that electrical components 50 such as circuit board intake and probably cause, prolong liquid heater's life, the qualification rate and the user that improve the product use experience. Moreover, by sealing the accommodating cavity 301, the space occupied by the electrical components 50 such as the circuit board is reduced, which is beneficial to simplifying the internal structure of the housing 20 and setting the positions of the electrical components 50 such as the circuit board more flexibly.

It is further noted that, as shown in fig. 1 and 2, one of the first handle portion 302 and the second handle portion 303 is formed with a reinforcing rib 3021, and the reinforcing rib 3021 clamps the sealing member 304 to the other of the first handle portion 302 and the second handle portion 303. During installation, the sealing element 304 is pre-installed on the reinforcing rib 3021, and then the first handle portion 302 and the second handle portion 303 are cooperatively connected together, so that the first handle portion 302 and the second handle portion 303 jointly clamp and fix the sealing element 304, the reinforcing rib 3021 can be arranged on the first handle portion 302 or the second handle portion 303, the reinforcing rib 3021 can be arranged to facilitate the positioning and installation of the sealing element 304, the sealing element 304 can be fixed on the first handle portion 302 or the second handle portion 303 to prevent the sealing element 304 from moving during installation and use, and the reinforcing rib 3021 can also play a role in supporting and protecting the sealing element 304, so as to improve the strength of the sealing element 304.

More specifically, as shown in fig. 1 and 4, the seal 304 has a recess 3041 into which the reinforcing rib 3021 extends. The sealing element 304 is sleeved on the reinforcing rib 3021, the reinforcing rib 3021 abuts against the upper side and the lower side of the groove 3041, the radian of the groove 3041 of the sealing element 304 is matched with the shape of the reinforcing rib 3021, the groove 3041 is in interference fit with the reinforcing rib 3021, the sealing element 304 can be pre-mounted on the reinforcing rib 3021 by means of friction force generated by interference fit, and the sealing element 304 cannot easily fall off from the reinforcing rib 3021 in the subsequent mounting and using process between the first handle portion 302 and the second handle portion 303.

The connection mode of the sealing element and the first handle part and the second handle part is not limited to the above-mentioned one, and the first handle part and the second handle part may be provided with mounting grooves, the two mounting grooves surround a space for placing the sealing element, a gap between the two mounting grooves is filled with the sealing element, and the sealing element is clamped by the mounting grooves and the side walls of the first handle part and the second handle part together. The number of the sealing members is not limited to one, and a plurality of sealing members may be provided to partition the accommodation chamber into a plurality of regions, though not limited to the above-described embodiments.

As shown in fig. 1 and 3, a sealing rib 3031 is preferably formed on one of the first handle portion 302 and the second handle portion 303, which is opposite to the reinforcing rib 3021, the sealing rib 3031 extends to the side of the reinforcing rib 3021, and the sealing rib 3031 and the reinforcing rib 3021 clamp the sealing member 304. In this embodiment, the first handle portion 302 may be provided with a reinforcing rib 3021, the second handle portion 303 is correspondingly provided with a sealing rib 3031, the sealing rib 3031 may be provided above or below the reinforcing rib 3021, so as to ensure that the sealing rib 3031 and the reinforcing rib 3021 are staggered to leave a mounting space for the sealing element 304, the sealing rib 3031 extends to one side above or one side below the reinforcing rib 3021, i.e., the sealing rib 3031 and the reinforcing rib 3021 overlap with a part of the overlapping region, which jointly clamps and presses the sealing element 304 up and down, preferably, the sealing rib 3031 extends to one side above the reinforcing rib 3021, so that the sealing element 304 is not only clamped and fixed together by the reinforcing rib 3021 and the side wall of the first handle portion 302 or the second handle portion 303, but also can be pressed by the sealing rib 3031, so that the sealing element 304 is more attached to the reinforcing rib 3021, and the sealing element 304 is mounted without causing a gap between the sealing element 304 and the reinforcing rib 3021, and steam or liquid enters the gap 301 between the sealing element 304, and the circuit board 50 and the like in the housing cavity.

More specifically, the sealing member 304 is a silicone sealing member 304, a sealing rib 3042 is formed on the surface side of the silicone sealing member 304, and the sealing rib 3031 clamps the sealing rib 3042. As shown in fig. 4, the silicone rubber sealing member 304 has certain elasticity, so that the silicone rubber sealing member is better attached to the surface of the reinforcing rib 3021 during installation and use, a sealing rib 3042 is formed on the upper side or the lower side of the silicone rubber sealing member 304, the sealing rib 3031 is clamped by the sealing rib 3031, the sealing rib 3042 forms double-channel sealing, and the silicone rubber sealing member 304 is squeezed and deformed in the up-and-down direction by the reinforcing rib 3021 and the sealing rib 3031, so that the sealing performance is better.

In this embodiment, the silicone sealing member is formed by attaching two silicone sheets, and may be formed by processing a groove in one silicone sheet, and the lengths of the upper and lower sides of the silicone sealing member do not need to be the same.

As a preferred embodiment, as shown in fig. 1, 2 and 3, the top of the reinforcing rib 3021 is concave, and the sealing rib 3031 is in sealing abutment with the sealing member 304 at the concave region of the reinforcing rib 3021. As shown in fig. 2, the reinforcing rib 3021 is similar to an arc-shaped flat plate, the middle region of the reinforcing rib 3021 is recessed inwards to form a similar arc-shaped flat plate, the middle region of the corresponding sealing member 304 protrudes outwards to be matched and connected with the reinforcing rib 3021, the cross-sectional area of the recessed region of the reinforcing rib 3021 is gradually reduced, and the sealing rib 3031 is in sealing abutment with the sealing member 304 in the recessed region of the reinforcing rib 3021, so that when the sealing rib 3031 and the reinforcing rib 3021 clamp and press the sealing member 304 together, the sealing member 304 can have a certain side deformation allowance at the recessed region to protect the sealing member 304 from being raised or folded due to excessive pressing deformation in the recessed region, which affects the sealing performance of the handle assembly 30.

The first handle portion 302 is a handle holder integrally connected to the housing 20, the second handle portion 303 is a handle cover, and the reinforcing rib 3021 is provided in the handle holder. The first handle part 302 and the second handle part 303 are detachably connected, so that the sealing element 304 can be conveniently installed in the production process, the reinforcing rib 3021 is arranged on the handle seat, the supporting strength of the handle seat can also be improved, and the possibility of deformation of the handle seat can be reduced when the shell 20 is integrally injection-molded.

The first handle part and the second handle part are not only formed by left and right combination as shown in fig. 1, 2 and 3, but also formed by front and back two parts combination connection or up and down combination. A plurality of flat plates which are similar to reinforcing ribs and sealing ribs and are arranged in a staggered mode are arranged on the first handle part and the second handle part to form a snake-shaped labyrinth loop, condensation of steam in the channel is accelerated, and meanwhile the effects of reducing the speed of water flow and reducing potential energy of the water flow are achieved. In the present invention, the left-right direction and the up-down direction are the left-right direction and the up-down direction of the liquid heater shown in fig. 1, and the front-back direction is the front-back direction of the cross-sectional view of the liquid heater.

More specifically, as shown in fig. 1, the space inside the receiving cavity 301 located at the lower side of the sealing member 304 forms an electronic installation space 3011, and the liquid heater further includes an electric element 50 installed inside the receiving cavity 301, the electric element 50 being located at the lower side of the sealing member 304. Electrical components 50 such as indicator lights, displays, wires, or switches are disposed in the electronic mounting space 3011 below the seal 304, and the circuit board is typically disposed in the space between the liner 10 and the bottom of the housing 20. The sealing element 304 isolates the liquid entering the accommodating cavity 301, so that the electrical element 50 is protected, and the service life of the device is prolonged.

In a preferred embodiment, as shown in fig. 6, the handle assembly 30 is connected to the housing 20 at a lower end thereof, and the receiving chamber 301 is provided at a bottom thereof with a water blocking piece 305, the water blocking piece 305 closing the receiving chamber 301. The passage of the lower end of the handle assembly 30 into the kettle body is directly and completely sealed, and the plastic shell 20 is directly and integrally formed during injection molding. The handle cover is directly inserted to abut against the water retaining sheet 305, so that a passage formed by the handle seat and the handle cover and entering the kettle body is completely sealed, liquid or vapor in the kettle cannot enter the kettle body through the passage, and the circuit board at the bottom of the liquid heater is protected from water.

It should be further noted that, as shown in fig. 5, the liquid heater further includes a lid 40 covering the inner container 10, the lid 40 is hinged to the handle assembly 30, the lid 40 is formed with a downward convex water retaining rib 401, and the water retaining rib 401 shields a gap between the inner container 10 and the lid 40 at the position of the handle assembly 30. The tail part of the kettle cover 40 close to the handle component 30 is provided with a water retaining rib 401 which is 0.5-3mm away from the inner wall of the inner container 10 when the kettle cover 40 is closed on the inner container 10. Thus, when the liquid in the kettle is in a violent boiling state, most of the liquid and the steam are blocked back into the kettle by the water blocking rib 401 of the kettle cover 40. Only a small amount of boiling liquid and steam can flow into the accommodating space of the handle assembly 30 along the gap between the water blocking rib 401 and the inner wall of the inner container 10, and the majority of liquid is successfully blocked.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments.

The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a liquid heater, includes inner bag, cover and establishes the shell of inner bag, install the handle components of shell, handle components is formed with and holds the chamber, the upper end intercommunication that holds the chamber is in the shell with between the inner bag, a serial communication port, handle components includes first handle portion, second handle portion and sealing member, first handle portion with the second handle encloses to close and forms hold the chamber, just first handle portion with second handle portion centre gripping is fixed the sealing member, so that the sealing member is separated hold the chamber.

2. A liquid heater as claimed in claim 1, wherein: one of the first handle portion and the second handle portion is formed with a reinforcing rib that sandwiches and fixes the seal member to the other of the first handle portion and the second handle portion.

3. A liquid heater as claimed in claim 2, wherein: the sealing element is provided with a groove for the reinforcing rib to extend into.

4. A liquid heater as claimed in claim 2, wherein: the first handle portion and the second handle portion with one that the strengthening rib is relative is formed with sealed muscle, sealed muscle extends to the side of strengthening rib, just sealed muscle with the strengthening rib centre gripping the sealing member.

5. A liquid heater as claimed in claim 4, wherein: the sealing member is the silica gel sealing member, the surface side of silica gel sealing member is formed with sealed protruding muscle, sealed muscle centre gripping sealed protruding muscle.

6. A liquid heater as claimed in claim 4, wherein: the top of the reinforcing rib is concave, and the sealing rib is in sealing butt joint with the sealing piece at the concave area of the reinforcing rib.

7. A liquid heater as claimed in claim 2, wherein: the first handle part is a handle seat integrally connected with the shell, the second handle part is a handle cover, and the reinforcing ribs are arranged on the handle seat.

8. A liquid heater as claimed in claim 1, wherein: the space in the containing cavity, which is positioned on the lower side of the sealing piece, forms an electronic installation space, and the liquid heater also comprises an electrical element which is installed in the containing cavity and is positioned on the lower side of the sealing piece.

9. A liquid heater as claimed in claim 8, wherein: the lower end of the handle assembly is connected with the shell, a water retaining sheet is arranged at the bottom of the accommodating cavity, and the water retaining sheet seals the accommodating cavity.

10. A liquid heater as claimed in claim 1, wherein: the liquid heater also comprises a pot cover which covers the inner container, the pot cover is hinged to the handle assembly, a downward convex water retaining rib is formed on the pot cover, and the water retaining rib shields a gap between the inner container and the pot cover at the position of the handle assembly.

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