WO2020029520A1

WO2020029520A1 - Structure for preventing neglectful installation of steam valve of cooking utensil, and cooking utensil

Info

Publication number: WO2020029520A1
Application number: PCT/CN2018/123530
Authority: WO
Inventors: 黎文彬; 李锦彬; 陈冬冬; 李易峰; 尹志雄; 程建建; 李佳宏
Original assignee: 珠海格力电器股份有限公司
Priority date: 2018-08-09
Filing date: 2018-12-25
Publication date: 2020-02-13
Also published as: CN109091019A

Abstract

Disclosed is a structure for preventing neglectful installation of a steam valve (1) of a cooking utensil. The steam valve (1) is installed on a surface cover (2) of a cooking utensil; the structure for preventing neglectful installation comprises a non-contact trigger part (3) arranged on the surface cover (2); the non-contact trigger part (3) is connected to a control device (5) of the cooking utensil; when the steam valve (1) is installed in place, the steam valve (1) can block or avoid a signal from the non-contact trigger part (3) for triggering the non-contact trigger part (3); the control device (5) is used for determining that the steam valve (1) is installed in place when the non-contact trigger part (3) is triggered; and if the steam valve (1) is not installed in place, the control device (5) cannot further control the cooking utensil to operate. The structure for preventing neglectful installation of the steam valve (1) of the cooking utensil can effectively prevent the neglectful installation of the steam valve (1), thus improving the working reliability and safety of the cooking utensil. Further disclosed is a cooking utensil.

Description

Leak-proof installation structure of steam valve of cooking appliance and cooking appliance

Related applications

This application claims priority from a Chinese patent application filed on August 9, 2018, with application number 201810902898.X, entitled "Steam valve leak-proof structure for cooking appliances and cooking appliances", the full text of which Introduced for reference.

Technical field

The present application relates to the technical field of household appliances, and in particular, to a steam valve leakage prevention structure and cooking appliance capable of effectively preventing leakage installation of cooking appliances.

Background technique

A large amount of steam is generated by cooking appliances such as a rice cooker during work, and the steam is discharged to the outside of the cooking appliance through a steam valve to ensure that the pressure inside the cooking appliance is normal.

The steam valve on the traditional cooking appliance is not provided with a leak-proof installation structure. When the user installs the steam valve by mistake, the cooking appliance can still work normally. As a result, air leakage and overflow may occur in the cooking utensils during the work process, causing abnormal pressure inside the cooking utensils, thereby causing the cooking utensils to fail to achieve the original working effect, and there are hidden safety hazards.

Summary of the invention

In view of this, one object of the present application is to provide a steam valve leak-proof structure and a cooking appliance capable of preventing the steam valve from being missed.

In order to achieve the above purpose, on the one hand, the following technical solutions are used in this application:

A leakage preventing structure of a steam valve of a cooking appliance, the steam valve is installed on a face cover of the cooking appliance, and the leakage preventing structure includes a non-contact triggering component provided on the face cover, the The non-contact triggering component is connected to the control device of the cooking appliance. When the steam valve is installed in place, the steam valve blocks or avoids the signal of the non-contact triggering component to trigger the non-contact triggering component. The control device is configured to confirm that the steam valve is installed in place when the non-contact triggering component is triggered.

In one embodiment, the non-contact triggering component includes a signal transmitting component and a signal receiving component. When the steam valve is installed in place, the signal transmitting component and the signal receiving component are respectively disposed on the steam valve. Both sides, and the signal emitted by the signal transmitting component is blocked by the steam valve.

In one embodiment, the face cover includes a groove structure for accommodating the steam valve, and the signal transmitting part and the signal receiving part are respectively disposed on two opposite sides of the groove structure. On the wall.

In one embodiment, the signal transmitting part and the signal receiving part are respectively installed on two side walls of the groove structure through a mounting structure, the mounting structure includes a fixing unit, and the fixing unit is used for The signal transmitting part and the signal receiving part are respectively fixed on two opposite side walls.

In one of the embodiments, the fixing unit includes a first fixing unit provided on the signal transmitting part or the signal receiving part, and a second fixing unit provided on the side wall, the first The fixing unit includes a first fixing hole, and the second fixing unit includes a second fixing hole. The first fixing hole and the second fixing hole are fixedly connected by a fastener.

In one embodiment, the signal transmitting component and the signal receiving component each include a mounting portion, and the signal transmission end or the signal receiving end is provided on the mounting portion,

The first fixing holes provided on the mounting portion have at least two, and the at least two first fixing holes are evenly arranged around the signal transmitting end or the signal receiving end.

In one embodiment, the control device includes a control display panel, and the control display panel is electrically connected to the signal transmitting part and the signal receiving part through wiring.

In one embodiment, one end of the wiring is connected to the control display panel, a plug spring or a tab is provided on the other end of the wiring, and the signal transmitting part and the signal receiving part are provided. There are insert pieces or insert springs, and the insert springs cooperate with the insert pieces so that the signal transmitting part and the signal receiving part are respectively connected to the control display panel.

In one embodiment, the surface cover is provided with a via hole, and the other end of the wiring passes through the via hole and is connected to the signal transmitting component and the signal receiving component, respectively.

In one embodiment, the non-contact triggering component includes a photoelectric sensor switch.

In order to achieve the above purpose, on the other hand, the following technical solutions are used in this application

A cooking appliance includes a noodle cover and a steam valve provided on the noodle cover. The cooking appliance includes a steam valve leak-proof structure of the cooking appliance as described above.

The steam valve leakage prevention structure of the cooking appliance provided by the present application and the cooking appliance provided with the same can effectively prevent the steam valve from leaking. When the steam valve is installed in place, the steam valve blocks or avoids the signal of the non-contact triggering component to trigger the non-contact triggering component. If the steam valve is not installed in place, the control device cannot further control the cooking appliance to work, which improves the cooking appliance Reliability and safety.

BRIEF DESCRIPTION OF THE DRAWINGS

Through the following description of the embodiments of the present application with reference to the accompanying drawings, the above and other objects, features, and advantages of the present application will be more clear. In the drawings:

FIG. 1 is a schematic structural diagram of a face cover provided by a specific embodiment of the present application; FIG.

FIG. 2 shows an enlarged view of a region A in FIG. 1;

FIG. 3 is a schematic diagram of an overall structure provided with a steam valve and a non-contact triggering component according to a specific embodiment of the present application; FIG.

FIG. 4 shows an enlarged view of a region B in FIG. 3;

FIG. 5 is a cross-sectional view of the overall structure provided with a steam valve and a non-contact triggering component according to a specific embodiment of the present application; FIG.

FIG. 6 shows an enlarged view of a region C in FIG. 5;

FIG. 7 is a schematic structural diagram of a signal transmitting component according to a specific embodiment of the present application; FIG.

FIG. 8 is a structural diagram of a control device and wiring provided by a specific embodiment of the present application.

In the figure,

1. Steam valve;

2, cover; 21, groove structure; 211, side wall; 22, through hole;

3. Non-contact trigger component; 31. Signal transmitting component; 32. Signal receiving component; 33. Mounting portion; 331; first side wall; 332; second side wall; 34; signal transmitting end;

4, fixing unit; 41, first fixing unit; 411, first fixing hole; 42, second fixing unit; 421, second fixing hole; 43, fasteners; 44, inserts;

5. Control device; 51. Control display panel;

6. Wiring; 61. Insertion spring.

detailed description

The following describes the present application based on embodiments. Those of ordinary skill in the art should understand that the drawings provided herein are for the purpose of illustration, and the drawings are not necessarily drawn to scale.

Unless the context clearly requires otherwise, the words "including", "comprising" and the like throughout the specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, "including but not limited to" Meaning.

The application provides a steam valve leak-proof structure of a cooking appliance and a steam cooking appliance having the leak-proof structure. The leak-proof structure can effectively prevent the steam valve from missing or not being installed in place. When the steam valve is missing or not in place, the cooking appliance cannot work properly to ensure the reliability and safety of the cooking appliance.

As shown in FIG. 1 to FIG. 8, the present application provides a steam valve leakage prevention structure of a cooking appliance. The cooking appliance may be a household appliance such as a rice cooker that requires water and generates steam during heating. The steam valve 1 is installed on the face cover 2 of the cooking appliance. Specifically, the face cover 2 includes a groove structure 21 for accommodating the steam valve 1. After the steam valve 1 is installed on the face cover 2, the groove structure 21 can be installed. Filled up. The manner in which the steam valve 1 is installed on the face cover 2 may be a side extraction type, or it may be detached from the top or inside of the face cover 2.

As shown in FIG. 1 to FIG. 6 and FIG. 8, the leak-proof installation structure includes a non-contact triggering component 3 provided on the face cover 2. The non-contact triggering component 3 is connected to the control device 5 of the cooking appliance, and the steam valve 1 When installed, the steam valve 1 blocks or avoids the signal of the non-contact triggering component 3 to trigger the non-contact triggering component 3. The control device 5 is used to confirm that the steam valve 1 is installed when the non-contact triggering component 3 is triggered. . In an optional embodiment, the non-contact triggering component 3 includes a photoelectric sensor switch. The non-contact triggering component 3 includes a signal transmitting component 31 and a signal receiving component 32. The signal transmitting component 31 is capable of emitting a signal, and the signal receiving component 32 is capable of A signal from the signal transmitting section 31 is received. When the steam valve 1 is installed in place, the signal transmitting part 31 and the signal receiving part 32 are respectively disposed on both sides of the steam valve 1, and the signal emitted by the signal transmitting part 31 is blocked by the steam valve 1, and the signal receiving part 32 cannot receive the signal transmitting part The signal from 31 indicates that the control device 5 triggers the non-contact triggering component 3 by default, confirming that the steam valve 1 is installed in place. When the control device 5 confirms that the steam valve 1 is installed, the control device 5 works according to the user's operation instruction. If the steam valve 1 is missing or not installed, the signal receiving part 32 can receive the signal from the signal transmitting part 31. Signal, the control device 5 defaults that the steam valve 1 is missing or not installed, and the control device 5 will not control the cooking appliance to work even if it receives an instruction from the user. Optionally, the control device 5 is also connected to an alarm device (not shown in the figure) and can control the alarm device, and the alarm device can perform sound and light alarms. When the control device 5 receives the user's operation instruction but does not confirm that the steam valve 1 is installed in place, the control device 5 controls the alarm device to perform an alarm to remind the user to check whether the steam valve 1 is missing or installed. In another specific embodiment, when the control device 5 does not receive the trigger signal of the non-contact triggering component 3 for more than a predetermined time, the control device 5 controls the alarm device to perform an alarm to remind the user to check the steam valve 1 in time. Confirm that the steam valve 1 is installed in place. When the steam valve 1 is installed in place, the control device 5 controls the alarm device to stop alarming.

As shown in FIG. 1 to FIG. 6, in order to ensure the effect of preventing leakage, the signal transmitting component 31 and the signal receiving component 32 are respectively disposed on two opposite side walls 211 of the groove structure 21. During the installation, the signal transmitting part 31 and the signal receiving part 32 are respectively mounted on the two side walls 211 of the groove structure 21 through a mounting structure. Further, the mounting structure includes a fixing unit 4 for fixing the signal transmitting part 31 and the signal receiving part 32 on two opposite side walls 211, respectively. The fixing unit 4 includes a first fixing unit 41 provided on the signal transmitting part 31 or a signal receiving part 32, and a second fixing unit 42 provided on the side wall 211. In an optional embodiment, the first fixing unit 41 includes a first fixing hole 411, the second fixing unit 42 includes a second fixing hole 421, and the first fixing hole 411 and the second fixing hole 421 are fixed by a fastener 43 connection. Optionally, the first fixing hole or the second fixing hole is a threaded hole, the fastener 43 is a screw, and the screw and the threaded hole are fastened and connected together by screws. Of course, it can be understood that when the signal transmitting part 31 and the signal receiving part 32 are not frequently disassembled and assembled, the signal transmitting part 31 and the signal receiving part 32 are fixed to the two opposite sides of the groove structure 21 by a riveting fixing method. On the side wall 211. Of course, the signal transmitting component 31 and the signal receiving component 32 can also be disposed on two opposite side walls 211 of the groove structure 21 in a fixing manner of a buckle and a slot.

Further, as shown in FIG. 7, each of the signal transmitting component 31 and the signal receiving component 32 includes a mounting portion 33. Optionally, the mounting portion 33 has a square structure, and a signal is provided on the first side wall 331 of the mounting portion 33. The transmitting end 34 is provided with an insert piece or an insert spring on a second side wall 332 opposite to the first side wall 331 (described in detail later). The first side wall 331 is provided with at least two first fixing holes 411, and the at least two first fixing holes 411 are evenly arranged around the signal transmitting end 34. Optionally, the number of the first fixing holes 411 is two, and the two first fixing holes 411 are symmetrically distributed on both sides of the signal transmitting end 34, which can ensure installation reliability and reduce installation steps. The structure of the signal receiving component 32 is the same as the structure of the signal transmitting component 31, and details are not described herein again.

Further, as shown in FIGS. 5 and 8, the control device 5 includes a control display panel 51, and the control display panel 51 is electrically connected to the signal transmitting part 31 and the signal receiving part 32 through a wiring 6. The wiring 6 is capable of supplying power and transmitting signals. A corresponding program is stored in the control device 5, and the control device 5 determines whether the non-contact triggering component 3 is triggered according to the setting of the program, and further controls whether the cooking appliance works. One end of the wiring 6 is connected to the control display panel 51, and the other end of the wiring 6 is provided with an insert spring 61 or an insert 44. The signal transmitting part 31 and the signal receiving part 32 are provided with an insert 44 or an insert spring 61. The spring 61 cooperates with the insert 44 to connect the signal transmitting part 31 and the signal receiving part 32 to the control display panel 51, respectively. In an optional embodiment, the wiring 6 includes two wires, and the two wires 6 are respectively connected to the signal transmitting part 31 and the signal receiving part 32, and the two wires 6 are disposed on an end remote from the control display panel 51. There are insert springs 61, and the two wires 6 connect the non-contact triggering component 3 and the control device 5 through the insert spring 61 and the insert 44 on the signal transmitting component 31 and the signal receiving component 31. A circuit is formed between 3 and the control device 5. Optionally, a through-hole 22 is also provided on the cover 2, and the end of the wiring 6 remote from the control device 5 passes through the through-hole 22 and is respectively connected to the signal transmitting component 31 and the signal receiving component 32 to facilitate wiring. 6 route.

The present application also provides a cooking appliance including a noodle cover 2 and a steam valve 1 provided on the noodle cover 2. The cooking appliance includes the steam valve leak-proof structure of the cooking appliance as described above.

The cooking appliance of the present application may be various types of cooking appliances such as a micro-pressure cooker, a rice cooker, an electric pressure cooker, and an electric steamer.

Those skilled in the art can easily understand that, under the premise of no conflict, the above-mentioned alternatives can be freely combined and superimposed.

The above are only optional embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, this application may have various modifications and changes. Any modification, equivalent replacement, and improvement made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

A leak-proof installation structure of a steam valve of a cooking appliance, the steam valve is installed on a face cover of the cooking appliance, wherein the leak-proof installation structure includes a non-contact trigger provided on the face cover Component, the non-contact trigger component is connected to the control device of the cooking appliance, and when the steam valve is installed in place, the steam valve shields or avoids the signal of the non-contact trigger component to trigger the non-contact The contact trigger component, the control device is used to confirm that the steam valve is installed in place when the non-contact trigger component is triggered.
The anti-leakage structure of a steam valve of a cooking appliance according to claim 1, wherein the non-contact triggering component comprises a signal transmitting component and a signal receiving component, and the signal transmitting component is in place when the steam valve is installed in place. The signal receiving part and the signal receiving part are respectively disposed on both sides of the steam valve, and a signal emitted by the signal transmitting part is blocked by the steam valve.
The anti-leakage structure for a steam valve of a cooking appliance according to claim 2, wherein the cover includes a groove structure for accommodating the steam valve, the signal transmitting part and the signal receiving part They are respectively disposed on two opposite side walls of the groove structure.
The leak-proof installation structure of a steam valve of a cooking appliance according to claim 3, wherein the signal transmitting part and the signal receiving part are respectively installed on two side walls of the groove structure through a mounting structure, The mounting structure includes a fixing unit for fixing the signal transmitting component and the signal receiving component on two opposite side walls, respectively.
The leak-proof structure for a steam valve of a cooking appliance according to claim 4, wherein the fixing unit comprises a first fixing unit provided on the signal transmitting part or the signal receiving part, and The second fixing unit on the side wall, the first fixing unit includes a first fixing hole, the second fixing unit includes a second fixing hole, and the first fixing hole and the second fixing hole are fixedly connected by a fastener.
The leak-proof installation structure of the steam valve of the cooking appliance according to claim 5, wherein the signal transmitting part and the signal receiving part both include a mounting part, and the signal transmitting end or the signal receiving part is provided on the mounting part. end,

The first fixing holes provided on the mounting portion have at least two, and the at least two first fixing holes are evenly arranged around the signal transmitting end or the signal receiving end.
The anti-leakage structure for a steam valve of a cooking appliance according to any one of claims 2 to 6, wherein the control device includes a control display panel, the control display panel, the signal transmitting part, and the signal The receiving parts are electrically connected through wiring.
The leak-proof installation structure of a steam valve of a cooking appliance according to claim 7, characterized in that one end of the wiring is connected to the control display panel, and the other end of the wiring is provided with a plug spring or a tab , The signal transmitting part and the signal receiving part are provided with inserts or insert springs, and the insert spring cooperates with the inserts to make the signal transmitting part and the signal receiving part and the control display respectively The panels are connected.
The leak-proof installation structure of a steam valve of a cooking appliance according to claim 8, wherein a wire hole is provided on the cover, and the other end of the wiring passes through the wire hole and the wire hole respectively. A signal transmitting component is connected to the signal receiving component.
The anti-leakage structure of the steam valve of the cooking appliance according to any one of claims 1 to 6, wherein the non-contact triggering component comprises a photoelectric induction switch.
A cooking appliance, comprising a noodle cover and a steam valve provided on the noodle cover, characterized in that the cooking appliance includes a steam valve leak-proof structure of the cooking appliance according to any one of claims 1 to 10. .