CN110648869B

CN110648869B - Key assembly and cooking utensil

Info

Publication number: CN110648869B
Application number: CN201910901986.2A
Authority: CN
Inventors: 钱宗华; 林灵彪; 陈俊祺; 曾国豪; 覃德华; 杨蛟龙
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2021-07-06
Anticipated expiration: 2039-09-24
Also published as: CN110648869A

Abstract

The invention discloses a key assembly which comprises an upper panel and a lower panel, wherein a support is arranged below the upper panel, the bottom of the support is fixedly connected with the lower panel, a cavity is formed between the lower panel and the inside of the support, an elastic component is arranged in the cavity, and a limiting structure is arranged on the inner wall of the cavity, so that the elastic component can freely stretch and retract in the axial direction, and the elastic component is prevented from deviating. The invention also provides a cooking appliance, which comprises a shell and an upper cover, wherein the shell is fixedly connected with the upper cover, and the upper cover is provided with the key assembly. The key assembly provided by the invention effectively solves the problem that the installation space of the controller element on the lower panel is narrow, so that the element on the lower panel is reasonably installed, the display lamp can fully illuminate the IMD, and meanwhile, the sensitivity of the key spring is effectively improved.

Description

Key assembly and cooking utensil

Technical Field

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

Background

The keys of the common mechanical structure are easy to wear and complex to install, are easily influenced by environmental factors such as temperature, humidity, dust and the like, have high production cost and complex process requirements, and are difficult to meet the requirements of lightness, thinness and attractiveness of the keys of the conventional electronic products. Therefore, in recent years, a touch key has been gradually developed in the technical field of kitchen cooking appliances, and the touch key includes an upper panel and a lower panel, wherein the upper panel is provided with corresponding key buttons, the lower panel is printed with a conductive coating, and the lower panel is adhered to the back surface of the upper panel through a double-sided adhesive tape. Among the prior art, the display button spring of electricity rice cooker, pressure cooker installs in the mounting hole of display panel support, and in order to cooperate the installation of part on the mainboard, it is bigger to lead to the clearance in spring and its mounting hole, and the problem that exists like this is that the spring may deviate from the normal when the button, influences the precision of button.

The spring mounting holes of the old lower panel bracket are smooth and have no limit structure for the springs. And in order to satisfy the installation of display lamp on the main board and illumination effect thereof, the mounting hole sets up comparatively big, and in order to satisfy the size of the silk screen printing of IMD on the display panel simultaneously, the size of spring is also basically fixed. However, this situation has a problem that the gap between the spring and the mounting hole is too large, so that the spring may be deviated when the key is pressed, which may affect the accuracy of the key.

Disclosure of Invention

The invention aims to provide a key assembly and a cooking appliance. The main off normal that solves sensor spring among the current cooking utensil ensures the sensitivity technical problem such as button.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the utility model provides a key assembly, includes top panel and lower panel, the top panel below is provided with the support, support bottom and lower panel fixed connection, panel and the inside cavity that forms of support down, be provided with elastomeric element in the cavity, the intracavity wall is equipped with limit structure to make elastomeric element axial produce freely flexible, prevent elastomeric element's off normal.

Furthermore, the elastic component is a spring, and the diameter of the spring is sequentially reduced from top to bottom, so that the spring is convenient to reset when the spring axially stretches.

Furthermore, limit structure is that the spring mounting hole inner wall of panel support is equipped with many ribs for the equidistance.

Further, the diameter of the hole formed by the plurality of ribs is larger than or equal to the diameter of the uppermost end of the spring.

Furthermore, the limiting structure is an annular plate-shaped structure arranged on the inner wall of the spring mounting hole of the lower panel support.

Further, the inner diameter of the annular plate-shaped structure is larger than or equal to the diameter of the largest end of the spring.

Furthermore, the upper end of the spring is connected with the upper panel, and the lower end of the spring is fixedly connected with the lower panel.

Furthermore, an electrical element is arranged on the lower panel, the spring is fixedly connected with the display lamp, and the electrical element is electrically connected with the display lamp.

Furthermore, the front of the upper panel is provided with an operating button corresponding to the position of the spring, and the upper panel is also provided with an LED light-transmitting area and an LED display screen.

A cooking utensil comprises a shell and an upper cover, wherein the shell is fixedly connected with the upper cover, and the upper cover is provided with the key assembly.

The invention has the beneficial effects that:

the invention provides a key assembly, which prevents the deviation of a spring by designing a limiting rib in a hole of a display panel bracket for mounting the spring. Through changing the width of rib, can adjust each other between the component on upper panel button silk screen printing, spring and the lower panel, design adjustment allowance is big. The ribs are evenly distributed at equal intervals, so that the spring is positioned in the center of the hole, and the installation is convenient. The aperture that the rib formed is more than or equal to the biggest end aperture of spring, effectively prevents the unable phenomenon of restoreing of the biggest end card of spring in the hole. The invention also provides a cooking appliance which comprises the key assembly, effectively solves the problem that the installation space of the controller element on the lower panel is narrow, ensures that the element on the lower panel is reasonably installed, can fully illuminate the IMD by the display lamp, and effectively improves the sensitivity of the key spring.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a key assembly according to the present invention;

fig. 2 is a top view of the key assembly of the present invention.

The reference numbers in the figures illustrate: 1. a spring; 2. a display lamp; 3. a support; 4. an upper panel; 5. a lower panel; 6. ribs; 7. the gap of the spring mounting hole of the lower panel bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to fig. 1-2 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up, down, top and bottom in the present embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.

The spring mounting holes of the existing lower panel bracket are smooth, and no limit structure is arranged on the spring 1. And in order to satisfy the installation of display lamp 2 on the main board and illumination effect thereof, the mounting hole sets up bigger, and simultaneously in order to satisfy the size of the silk screen printing of IMD on the display panel, the size of spring 1 is also basically fixed. However, this situation presents a problem: the clearance between the spring 1 and the mounting hole is too large, so that the spring 1 may be deviated when the key is pressed, and the accuracy of the key is affected. In order to solve the problem, the key assembly designed by the invention optimally designs the mounting holes of the spring 1 of the mainboard support 3, and the limiting structures are arranged around the holes, so that the spring 1 can be limited in the center of the holes, the deviation can be prevented, the support 3 can be conveniently mounted, and the situation that the spring 1 is clamped in the holes and cannot be restored when moving downwards is avoided. Through the adjustment to limit structure, can do the adjustment mutually between 4 button silk screen printing on the top panel, the spring 1 and the component on the panel 5 down, design adjustment allowance is big, does benefit to the demonstration of display lamp 2, improves the display effect.

The cooking appliance provided by the invention comprises the key assembly.

As shown in fig. 2, the present invention provides a key assembly, which includes an upper panel 4 and a lower panel 5, wherein a support 3 is disposed below the upper panel 4, the bottom of the support 3 is fixedly connected to the lower panel 5, a cavity is formed between the lower panel 5 and the support 3, an elastic component is disposed in the cavity, and a limiting structure is disposed on the inner wall of the cavity, so that the elastic component can freely extend and retract in the axial direction, and the elastic component is prevented from deviating.

As shown in figure 1, the spring 1 is internally provided with the display lamp 2, in order to meet the requirements of the installation of the display lamp 2 on the main plate and the illumination effect thereof, the spring installation hole of the lower panel bracket is optimally designed, the setting is large, and meanwhile, in order to meet the size of silk screen printing of IMD on the display panel, the size of the spring 1 is basically fixed. The gap 7 between the spring 1 and the spring mounting hole of the lower panel bracket is too large, so that the spring 1 may be deviated when the key is pressed, and the accuracy of the key is affected. Therefore, a limit structure is arranged at the gap between the inner wall of the bracket 3 and the maximum outer diameter of the spring 1. The current spring mounting hole to panel support carries out optimal design, and this limit structure is for being provided with four ribs 6 on the circumference of panel support's spring mounting hole on the equidistance, is equidistant evenly distributed between the rib 6, can make spring 1 spacing central point in panel support's spring mounting hole put down, prevents that spring 1's off normal also does benefit to the installation of support 3.

Based on the above-mentioned embodiment, the upper end of spring 1 contacts with top panel 4, and the lower extreme of spring 1 contacts with lower panel 5, and lower panel 5 is equipped with electrical components, and in order to make spring 1 can realize better, more stable electricity and connect, spring 1 is connected on lower panel 5, and spring 1 is cylindrical spring 1, and the up end of spring 1 is the circular plane, and spring 1 reduces from top to bottom the diameter in proper order, can produce freely flexible in its axial. In addition, because in the actual installation, there will be the deviation on certain parallelism between upper panel 4 and lower panel 5, through the width of adjustment rib 6, can adjust each other between 4 key silk screen printing of upper panel, spring 1 and the component on the lower panel 5, design adjustment allowance is big, does benefit to the demonstration of display lamp 2, improves the display effect.

As shown in fig. 1, the front surface of the upper panel 4 is further provided with an operating button corresponding to the position of the key spring 1, the upper panel 4 is further provided with an LED transparent area and an LED display screen, the operating button is located in the LED transparent area, when the external light is not bright, a user can observe characters and marks on the operating button conveniently and perform corresponding operations, and the LED display screen is convenient for the user to know and master the cooking state and process of the cooking appliance more intuitively.

The limiting structure provided by the invention also provides another embodiment, and the limiting structure is that annular plate-shaped structures are arranged on the circumference of the spring mounting hole of the lower panel bracket at equal intervals, and the inner diameter of each annular plate-shaped structure is larger than or equal to the diameter of the outermost end of the spring 1.

Further, the top of spring 1 contacts with the silk screen printing of panel 4, and the bottom and the display lamp 2 fixed connection of spring 1, spring 1 install in panel support's down spring mounting hole, and the equal interval of panel support's spring mounting hole inner wall evenly is provided with rib 6 down to prevent that the button from taking place spring 1 off normal when pressing spring 1, effectively improve button spring 1's sensitivity.

The invention provides a cooking appliance, in particular to an electric cooker, a pressure cooker and the like, and the electric cooker is taken as an embodiment and comprises a cooker body and a cooker cover, wherein the cooker cover is covered on the cooker body, the cooker cover comprises an upper panel 4, a lower panel 5 and a bracket 3, the lower panel 5 and the bracket 3 form a spring mounting hole of the lower panel bracket, the lower panel 5 is positioned below the upper panel 4, silk screen is printed on the upper panel 4, and a spring 1 is arranged between the silk screen of the upper panel 4 and the lower panel 5. The limiting structure is arranged on the inner wall of the spring mounting hole of the lower panel support and used for preventing the spring 1 from deviating and improving the sensitivity of the key spring 1.

The key assembly provided by the invention solves the problems that the spring 1 of the display key of the traditional electric cooker and pressure cooker is arranged in the mounting hole of the display panel bracket 3, the gap between the spring 1 and the mounting hole is larger in order to match the mounting of parts on the main board, and the spring 1 may deviate during key pressing, so that the accuracy of the key is influenced. In order to solve the situation, a limiting structure is designed on the inner wall of the spring mounting hole of the lower panel bracket, and the limiting structure can well prevent the problem of deviation of the spring 1. And the components on the lower panel 5 are properly mounted, the display lamp 2 can sufficiently illuminate the IMD. Limiting structure can be rib 6, through the width that changes rib 6, can adjust each other between the component on glass panels button silk screen printing, spring 1 and lower panel 5, and the design adjustment allowance is big, does benefit to the demonstration of display lamp 2, improves the display effect.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a key assembly, includes top panel (4) and lower panel (5), top panel (4) below is provided with support (3), support (3) bottom and lower panel (5) fixed connection, its characterized in that, panel (5) and the inside cavity that forms of support (3) down, the cavity is the round hole, and cavity inner wall is equipped with limit structure, limit structure is equidistant many ribs (6) that are provided with on the round hole inner wall, be provided with spring (1) in the cavity, the top of spring (1) contacts with the silk screen printing of top panel (4), spring (1) inside is equipped with display lamp (2), and spring (1) are installed in the spring mounting hole of panel support down to make the elastic component axial produce freely flexible.

2. A key assembly according to claim 1, wherein the diameter of the spring (1) is reduced from top to bottom, so that the spring (1) facilitates the return of the spring (1) when axially extended and retracted.

3. A key assembly according to claim 2, wherein a plurality of said ribs (6) form an aperture equal to or larger than the diameter of the uppermost end of the spring (1).

4. The key assembly of claim 2, wherein the limiting structure is a circular plate-shaped structure disposed on an inner wall of the circular hole.

5. A key assembly according to claim 4, characterized in that the inner diameter of the ring-shaped plate-like structure is equal to or larger than the largest end diameter of the spring (1).

6. The key assembly according to claim 2, wherein the upper end of the spring (1) is connected to the upper panel (4), and the lower end of the spring (1) is fixedly connected to the lower panel (5).

7. The key assembly according to claim 2, wherein an electrical component is provided on the lower panel (5), and the electrical component is electrically connected to the display lamp (2).

8. The key assembly of claim 2, wherein the front surface of the upper panel (4) is provided with an operating button corresponding to the position of the spring (1), and the upper panel (4) is further provided with an LED transparent area and an LED display screen.

9. Cooking appliance comprising a casing and an upper cover, which are fixedly connected, characterized in that the upper cover is provided with a key assembly according to any one of claims 1-8.