CN215077536U - Key assembly and cooking utensil - Google Patents

Abstract

The application relates to the technical field of cooking appliances, in particular to a key assembly and a cooking appliance. The key assembly comprises a sealing box and a circuit board, wherein the circuit board is provided with a switch and is positioned in the sealing box; wherein the top wall of the sealing box is deformable so as to press the switch through the top wall, and the top wall of the sealing box covers the switch. The switch is covered on the top wall of the sealing box, so that the risk of contact between external water and the switch can be reduced, the risk of electric shock of the switch is further reduced, and the use safety of the key assembly and the cooking appliance is improved.

Description

Key assembly and cooking utensil

Technical Field

The application relates to the technical field of cooking appliances, in particular to a key assembly and a cooking appliance.

Background

Cooking utensils on the market at present include the button, because the button does not have waterproof protection for cooking utensils are using or the cleaning process, and inside moisture got into the button easily, have very big potential safety hazard, probably lead to the danger of electric shock even.

SUMMERY OF THE UTILITY MODEL

The application provides a button subassembly and cooking utensil for solve current button subassembly and intake easily, have the problem of potential safety hazard.

This application first aspect provides a key assembly, the key assembly includes:

a sealing box;

the circuit board is provided with a switch and is positioned in the sealing box;

wherein the top wall of the sealing box is deformable so as to press the switch through the top wall, and the top wall of the sealing box covers the switch.

In this scheme, the circuit board is located the seal box, reduces circuit board and external area of contact, reduces the influence of external environment to the circuit board, and the roof can seal the upper surface of switch, and when the user washd this cooking utensil, this seal box can reduce the risk of outside moisture and switch contact, and then reduces the risk that the switch took place to electrocute, improves key assembly and cooking utensil's safety in utilization. Meanwhile, the top wall can deform, so that a user can conveniently press the switch through the top wall and open and close the switch.

In one possible design, the top wall is provided with a keying slot comprising a first bottom wall which is deformable and concave towards the switch; the first bottom wall covers the switch.

In this scheme, the setting according to the keyway towards the switch makes the first diapire according to the keyway only need have less deflection can press the switch to reduced the requirement to parietal deformability, reduced the cost of seal box and improved its life. Simultaneously, the first diapire towards the sunken button groove of the direction of first switch can warp, conveniently presses down the switch and realizes opening and closing of switch through first diapire.

In one possible design, the thickness of the first bottom wall is 0.4mm to 0.7 mm.

In the scheme, when the thickness of the first bottom wall is 0.4mm-0.7mm, the first bottom wall has higher strength and can ensure that the sensitivity is higher when the switch is pressed.

In one possible design, the switch comprises at least one contact, the top of which abuts the first bottom wall.

In this scheme, the top and the first diapire butt of contact, the motion stroke of first diapire when can reduce push switch's contact reduces the deflection of first diapire, prevents that first diapire warp too big to lead to inefficacy to the motion stroke of first diapire reduces, can also improve the sensitivity of key subassembly.

In one possible design, the key assembly further includes a key body, the key body is located outside the sealing box and is used for pressing the switch, and at least part of the key body is located in the key pressing groove; the key groove comprises a side wall, and a sealing piece is arranged between the side wall and the key body.

In this scheme, the button body is located according to the keyway at least partially for when the user pressed the button body, the button body can be along pressing the keyway motion, thereby press the switch's contact, this button groove can restrict the direction of motion of button body promptly, prevents the direction of the skew contact of the direction of pressing of button body, further improves press the switch's sensitivity. Sealing member between lateral wall and the button body can improve the leakproofness between button body and the button groove, reduces the risk that moisture got into according to the keyway to improve key assembly's water-proof effects.

In one possible design, the sealing box comprises a first section and a second section, and the circuit board corresponds to the first section; the thickness of the second section is smaller than that of the first section, so that the second section can be bent.

In this scheme, the thickness of second section is less than first section for the second section have great deformability, make things convenient for the second section to buckle.

In a possible design, the sealing box further comprises a second bottom wall, the length of which is smaller than the length of the top wall.

In this scheme, the length of roof is longer, when installing sealed box in the container body, makes things convenient for the operator to hold the roof and makes sealed box move to suitable position to convenience of customers holds the roof and installs sealed box in the container body, prevents that sealed box from removing in the installation, improves the accuracy of installation, and improves the installation effectiveness.

A second aspect of the present application provides a cooking appliance comprising a container body and the above key assembly, the key assembly being mounted to the container body.

In this scheme, this cooking utensil's button subassembly has waterproof facility, can reduce the risk that moisture gets into in the button subassembly, improves cooking utensil's safety in utilization.

In one possible design, the key assembly is removably connected to the container body.

In this scheme, both can dismantle the connection, can reduce the structural change to the container body, have simple structure's advantage, and be convenient for change and maintain the key assembly, improve cooking utensil's life.

In one possible design, the container body comprises a first cavity, and the key assembly is mounted in the first cavity; the first cavity comprises a water guide groove and a water outlet hole, and the water guide groove is communicated with the water outlet hole.

In this scheme, the guiding gutter is used for accepting the outside water that comes in and finally flows by the apopore to prevent to damage the circuit board of button subassembly when the water in the first cavity is too much.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is a schematic structural view of a cooking apparatus provided in the present application in one embodiment;

FIG. 2 is an exploded view of the cooking appliance of FIG. 1;

FIG. 3 is a schematic structural diagram of the key assembly shown in FIG. 2;

FIG. 4 is a cross-sectional view of the cooking appliance of FIG. 1;

fig. 5 is a cross-sectional view of the key assembly of fig. 4;

FIG. 6 is an enlarged partial view of portion A of FIG. 4;

fig. 7 is a schematic view of the handle of fig. 2 from another perspective.

Reference numerals:

1-a key assembly;

11-a sealed box;

111-top wall;

112-a second bottom wall;

113-key pressing groove;

113 a-a first bottom wall;

113 b-side wall;

114-a first segment;

115-a second segment;

116-an outlet;

117-connection hole;

118-a fastener;

12-a circuit board;

121-a switch;

121 a-contact;

13-key body;

14-a seal;

2-container body;

21-a handle;

211-a first cavity;

211 a-flume;

211 b-water outlet;

212-handle cover;

212 a-key pad.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all 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.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The embodiment of the present application provides a cooking appliance, which may be an electric kettle, an electric rice cooker, a coffee machine, a milk tea machine, and the like, and the cooking appliance is described as an electric kettle.

As shown in fig. 1, the cooking appliance includes a container body 2 and a key assembly 1, and the key assembly 1 is mounted to the container body 2.

Specifically, as shown in fig. 2 and 3, the key assembly 1 includes a sealing case 11 and a circuit board 12, the circuit board 12 is provided with a switch 121, and the circuit board 12 is located inside the sealing case 11, wherein a top wall 111 of the sealing case 11 is deformable so as to press the switch 121 through the top wall 111, and the top wall 111 of the sealing case 11 covers the switch 121.

In this embodiment, the circuit board 12 is located in the sealing box 11, so as to reduce the contact area between the circuit board 12 and the outside, and reduce the influence of the external environment on the circuit board 12, and the top wall 111 can seal the upper surface of the switch 121, so that when a user cleans the cooking apparatus, the sealing box 11 can reduce the risk of contact between external moisture and the switch 121, and further reduce the risk of electric shock of the switch 121, and improve the safety of the key assembly 1 and the cooking apparatus. Meanwhile, the top wall 111 can deform, so that a user can press the switch 121 through the top wall 111 conveniently and can open and close the switch 121 conveniently.

In a specific embodiment, as shown in fig. 4 and 5, the top wall 111 is provided with a key slot 113, the key slot 113 includes a first bottom wall 113a, the first bottom wall 113a is deformable and is recessed toward the switch 121, and the first bottom wall 113a covers the switch 121.

In this embodiment, the key groove 113 facing the switch 121 is configured such that the first bottom wall 113a of the key groove 113 only needs to have a smaller deformation amount to press the switch 121, thereby reducing the requirement for the deformability of the top wall 111, reducing the cost of the sealing box 11, and prolonging the service life thereof. Meanwhile, the first bottom wall 113a of the key groove 113 recessed toward the switch 121 can be deformed, so that the switch 121 can be conveniently pressed through the first bottom wall 113a and the switch 121 can be turned on and off.

Specifically, the sealing box 11 is entirely made of silicone material, or a part of the sealing box 11 is made of silicone material, that is, the key slot 113 is made of silicone material. Because the silica gel material has good deformability, water-proof effects, can improve the life according to keyway 113 to can reduce the risk that moisture gets into in the seal box 11, consequently can satisfy the operation requirement better.

In this embodiment, the circuit board 12 may be provided with one or more switches 121, as shown in fig. 5, the circuit board 12 is provided with two switches 121, correspondingly, the sealing box 11 is provided with two key slots 113, and the first bottom wall 113a of the key slot 113 covers the switches 121.

In a specific embodiment, as shown in fig. 5, the thickness of the first bottom wall 113a is 0.4mm-0.7mm, for example, the thickness of the first bottom wall 113a may be 0.5mm, 0.58mm, 0.65mm, etc.

In this embodiment, when the thickness of the first bottom wall 113a is too large, for example, greater than 0.7mm, the strength of the first bottom wall 113a is improved but the deformability is reduced, so that a user needs to use a large force to press the first bottom wall 113a, the sensitivity of the push switch 121 is reduced, and the user experience of the cooking appliance is reduced; when the thickness of the first bottom wall 113a is too small, for example, less than 0.4mm, the strength of the first bottom wall 113a is reduced, which easily causes damage to the first bottom wall 113 a. Therefore, the first bottom wall 113a has a high strength when it has a thickness of 0.4mm to 0.7mm, and also has a high sensitivity when the switch 121 is pressed.

In a specific embodiment, as shown in fig. 4 and 6, the switch 121 includes at least one contact 121a, and a top of the contact 121a abuts against the first bottom wall 113 a.

In this embodiment, the top of the contact 121a abuts against the first bottom wall 113a, so that the movement stroke of the first bottom wall 113a when the contact 121a of the switch 121 is pressed can be reduced, the deformation amount of the first bottom wall 113a can be reduced, the first bottom wall 113a is prevented from being deformed too much to cause failure, the movement stroke of the first bottom wall 113a is reduced, and the sensitivity of the key assembly 1 can be improved.

In a specific embodiment, as shown in fig. 5 and 6, the key assembly 1 further includes a key body 13, the key body 13 is located outside the sealing case 11 and is used for pressing the switch 121, at least a portion of the key body 13 is located in the key slot 113, the key slot 113 includes a sidewall 113b, and a sealing member 14 is disposed between the sidewall 113b and the key body 13.

In this embodiment, at least a portion of the key body 13 is located in the key slot 113, so that when the user presses the key body 13, the key body 13 can move along the key slot 113, and thus the contact 121a of the push switch 121 is pressed, that is, the key slot 113 can limit the moving direction of the key body 13, so as to prevent the pressing direction of the key body 13 from deviating from the direction of the contact 121a, and further improve the sensitivity of the push switch 121. The sealing member 14 between the side wall 113b and the key body 13 can improve the sealing performance between the key body 13 and the key groove 113, and reduce the risk of moisture entering the key groove 113, thereby improving the waterproof effect of the key assembly 1.

Specifically, the sealing member 14 may be a silicon rubber material or a rubber material, and has a good deformability, and the sealing member 14 can sufficiently fill a gap between the side wall 113b and the key body 13, so as to improve the sealing reliability between the key body 13 and the side wall 113 b.

In a specific embodiment, as shown in fig. 5, the sealed box 11 includes a first section 114 and a second section 115, the circuit board 12 corresponds to the first section 114, and the thickness of the second section 115 is smaller than that of the first section 114, so that the second section 115 can be bent.

In this embodiment, the thickness of the second section 115 is smaller than that of the first section 114, so that the second section 115 has a larger deformability, which facilitates bending of the second section 115.

In this embodiment, as shown in fig. 5, the second section 115 of the sealing box 11 includes an outlet 116, which facilitates leading out the connection of the circuit board 12, and the second section 115 is bent to seal the outlet 116, so as to reduce the risk of moisture entering the sealing box 11 from the outlet 116, and improve the safety of the key assembly 1.

In a particular embodiment, as shown in fig. 5, the sealed box 11 further comprises a second bottom wall 112, the length of the second bottom wall 112 being smaller than the length of the top wall 111.

In the embodiment, as shown in fig. 4, the length of the top wall 111 is longer, so that when the sealed box 11 is installed in the container body 2, an operator can conveniently hold the top wall 111 to move the sealed box 11 to a proper position, and a user can conveniently hold the top wall 111 to install the sealed box 11 in the container body 2, so that the sealed box 11 is prevented from moving in the installation process, the installation accuracy is improved, and the installation efficiency is improved.

In one particular embodiment, as shown in fig. 2, the key assembly 1 is removably attached to the container body 2.

In this embodiment, both can dismantle the connection, can reduce the structural change to the container body 2, have simple structure's advantage, and be convenient for change and maintain key assembly 1, improve cooking utensil's life.

In this embodiment, the key assembly 1 and the container body 2 can be connected through the fastener 118, the key assembly 1 is provided with the connecting hole 117, the corresponding position of the container body 2 is provided with the connecting hole 117, the fastener 118 penetrates into the connecting hole 117 to fix the key assembly 1 to the container body 2, specifically, the connecting hole 117 can be a screw hole, the fastener 118 is a screw, and the screw hole are in interference fit to improve the sealing effect.

In a specific embodiment, as shown in fig. 6 and 7, the container body 2 includes a first cavity 211, the key assembly 1 is mounted in the first cavity 211, the first cavity 211 includes a water chute 211a and a water outlet hole 211b, and the water chute 211a communicates with the water outlet hole 211 b.

In this embodiment, the water guiding groove 211a is used for receiving a large amount of water coming from the outside and finally flowing out from the water outlet hole 211b, so as to prevent the circuit board 12 of the key assembly 1 from being damaged when the water in the first cavity 211 is too much.

In this embodiment, as shown in fig. 2 and 7, the container body 2 further includes a handle 21, the handle 21 includes a first cavity 211, the water chute 211a is located at two sides of the key assembly 1, and the first water outlet 211b is located below the key assembly 1. The handle cover 212 is provided with a key panel 212a, and the key panel 212a is in contact with the top of the key body 13, so that the tactile sensation of the key assembly 1 can be improved.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A key assembly, characterized in that the key assembly (1) comprises:

a sealed box (11);

a circuit board (12), the circuit board (12) being provided with a switch (121), the circuit board (12) being located within the sealing box (11);

wherein the top wall (111) of the sealed box (11) is deformable so as to press the switch (121) through the top wall (111), and the top wall (111) of the sealed box (11) covers the switch (121).

2. A key assembly according to claim 1, wherein the top wall (111) is provided with a key-pressing groove (113), the key-pressing groove (113) comprising a first bottom wall (113a), the first bottom wall (113a) being deformable and recessed towards the switch (121);

the first bottom wall (113a) covers the switch (121).

3. A key assembly according to claim 2, wherein the thickness of the first bottom wall (113a) is 0.4mm-0.7 mm.

4. A key assembly according to claim 2, wherein said switch (121) comprises at least one contact (121a), the top of said contact (121a) abutting said first bottom wall (113 a).

5. A key assembly according to claim 2, characterized in that the key assembly (1) further comprises a key body (13), the key body (13) is located outside the sealing case (11) and is used for pressing the switch (121), and at least part of the key body (13) is located in the key pressing groove (113);

the key pressing groove (113) comprises a side wall (113b), and a sealing piece (14) is arranged between the side wall (113b) and the key body (13).

6. A key assembly according to any one of claims 1-5, characterized in that the sealing case (11) includes a first section (114) and a second section (115), the circuit board (12) corresponding to the first section (114);

the thickness of the second section (115) is less than the thickness of the first section (114) to enable the second section (115) to be bent.

7. A key assembly according to claim 6, characterized in that the sealing box (11) further comprises a second bottom wall (112), the length of the second bottom wall (112) being smaller than the length of the top wall (111).

8. A cooking appliance, characterized in that it comprises:

a container body (2);

a key assembly (1), the key assembly (1) being the key assembly (1) of any one of claims 1-7, the key assembly (1) being mounted to the container body (2).

9. A liquid heating vessel as claimed in claim 8, wherein the key assembly (1) is removably attached to the vessel body (2).

10. The cooking appliance according to claim 8, wherein the container body (2) comprises a first cavity (211), the key assembly (1) being mounted to the first cavity (211);

the first cavity (211) comprises a water guide groove (211a) and a water outlet hole (211b), and the water guide groove (211a) is communicated with the water outlet hole (211 b).

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