CN211459858U

CN211459858U - Automatic steam valve and electric kettle

Info

Publication number: CN211459858U
Application number: CN201921748893.2U
Authority: CN
Inventors: 林�发; 黄勇; 胡江平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-09-11
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses an automatic steam valve and electric kettle, including the steam valve body, the steam valve body is equipped with valve steam cavity and respectively with valve steam inlet and valve steam outlet of valve steam cavity intercommunication, be equipped with the moving part in the valve steam cavity, the moving part can reciprocate in the valve steam cavity, the top of moving part is connected with the temperature sensing sheetmetal, the temperature sensing sheetmetal is used for taking place deformation according to self temperature in order to drive the moving part open and close the valve steam inlet; an elastic element is arranged in the valve steam cavity and used for providing elastic pulling force for the auxiliary moving part to be far away from the valve steam inlet. The steam valve can realize timely steam discharge and increase the safety and the sensitivity of steam discharge.

Description

Automatic steam valve and electric kettle

Technical Field

The utility model relates to a steam valve technical field especially relates to an automatic steam valve and electric kettle.

Background

At present, products for generating steam in the market generally release steam in a vent hole mode or a pressure valve mode (mainly a spring mode and a counterweight mode), such as a pressure cooker, an uncapped closed electric kettle and the like. The method generally has the phenomena of steam discharge and pressure relief hysteresis, so that hidden danger of scalding a user easily exists, or the cover can be opened only after the product is cooled, the steam body is condensed into liquid and the pressure is reduced. Especially, in the closed electric kettle without opening the cover in the current market, a spring type pressure valve is generally adopted to release steam, the steam is not completely discharged, steam with higher temperature still exists in a kettle container, if the kettle is opened at the moment, instant steam is emitted from a kettle opening, the risk of scalding a user is extremely likely to exist, or the kettle can be opened only about 3-5 minutes, and thus the troubles of delaying the time of the user and the like exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the present invention is to provide an automatic steam valve to solve the safety hidden trouble and the insensitive defect of the steam discharge.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

an automatic steam valve comprises a steam valve body, wherein the steam valve body is provided with a valve steam cavity, a valve steam inlet and a valve steam outlet which are respectively communicated with the valve steam cavity, a moving part is arranged in the valve steam cavity, the moving part can move up and down in the valve steam cavity, the top of the moving part is connected with a temperature sensing metal sheet, and the temperature sensing metal sheet is used for deforming according to the temperature of the temperature sensing metal sheet so as to drive the moving part to open and close the valve steam inlet; an elastic element is arranged in the valve steam cavity and used for providing elastic pulling force for the auxiliary moving part to be far away from the valve steam inlet.

Furthermore, the moving part is provided with an axial inner cavity, an opening of the axial inner cavity is opposite to the valve steam inlet, the elastic element is installed in the axial inner cavity, one end of the elastic element is abutted to the inner bottom surface of the valve steam cavity, and the other end of the elastic element is abutted to the inner end surface of the axial inner cavity.

Furthermore, the elastic element is sleeved outside the movable element, a transverse flange is arranged at the top of the movable element, one end of the elastic element is abutted to the inner bottom surface of the valve steam cavity, and the other end of the elastic element is abutted to the end surface of the transverse flange.

Furthermore, the temperature sensing metal sheet is arc-shaped, the top of the moving piece is connected with the end face of the arc-shaped outer bottom of the temperature sensing metal sheet, and the arc-shaped opening of the temperature sensing metal sheet is opposite to the steam inlet of the valve.

Further, the arc-shaped outer bottom end surface of the temperature sensing metal sheet is connected with the middle position of the top of the movable piece.

Furthermore, a groove is formed in the middle of the top of the movable member, and the arc-shaped outer bottom end face of the temperature sensing metal sheet is contained in the groove and connected with the movable member.

Further, the temperature sensing metal sheet includes at least two kinds of metal layers of different materials.

Furthermore, the steam valve body is also provided with a steam guide channel, one end of the steam guide channel is communicated with the valve steam cavity, and the other end of the steam guide channel is communicated with the valve steam outlet.

Furthermore, two valve steam outlets are arranged, and each valve steam outlet corresponds to one steam guide channel.

The second purpose of the utility model is to provide an electric kettle.

The second purpose of the utility model is realized by adopting the following technical scheme:

an electric kettle comprises the automatic steam valve, a kettle main body and a kettle cover covering the kettle main body, wherein the steam valve body is installed in the kettle cover, and the kettle cover is respectively provided with a kettle steam outlet communicated with the valve steam outlet and a kettle steam inlet communicated with the valve steam inlet.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the steam valve body is internally provided with the moving part and the temperature sensing metal sheet connected with the moving part, so that the moving part and the temperature sensing metal sheet can jointly form an opening and closing mechanism for opening and closing the steam inlet of the valve according to temperature, and the moving part is promoted to move up and down by utilizing the characteristic that the temperature sensing metal sheet can deform along with the temperature change, so that the effect of closing and opening the steam inlet of the valve is achieved, the steam valve body can automatically control the discharge of steam according to the temperature change, and the purposes of timely discharging the steam and increasing the safety of steam discharge are achieved; in addition, the elastic element is arranged in the valve steam cavity to assist the movable piece to open and close the valve steam inlet, so that the sensitivity of steam discharge is improved.

Drawings

Fig. 1 is a schematic view of an automatic steam valve provided by the present invention;

fig. 2 is a cross-sectional view of an automatic steam valve provided by the present invention;

fig. 3 is a second arrangement of the movable member and the elastic element according to the present invention;

fig. 4 is a sectional view of the assembly of the steam valve body and the kettle lid provided by the present invention.

In the figure: 1. a kettle cover; 10. a kettle steam outlet; 11. a kettle steam inlet; 2. a steam valve body; 20. a valve steam cavity; 21. a valve steam inlet; 22. a valve vapor outlet; 23. a steam guide channel; 24. a movable member; 241. a transverse flange; 242. a groove; 25. a temperature-sensitive metal sheet; 26. an elastic element; 3. a gasket is provided.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in fig. 1-3, for the utility model provides an automatic steam valve, including steam valve body 2, steam valve body 2 is equipped with valve steam cavity 20 and respectively with valve steam inlet 21 and valve steam outlet 22 of valve steam cavity 20 intercommunication, be equipped with moving part 24 in the valve steam cavity 20, moving part 24 can reciprocate in valve steam cavity 20, the top of moving part 24 is connected with temperature sensing sheetmetal 25, temperature sensing sheetmetal 25 is used for taking place deformation according to self temperature in order to drive moving part 24 open and close valve steam inlet 21; a resilient element 26 is provided within the valve steam cavity 20, the resilient element 26 being adapted to provide a resilient pulling force on the auxiliary movable member 24 away from the valve steam inlet 21.

On the basis of the structure, the moving part 24 transfers heat to the temperature sensing metal sheet 25, when the temperature change of the temperature sensing metal sheet 25 is higher than the preset temperature, the temperature sensing metal sheet 25 is heated to be bent upwards (protruded and deformed), so that the moving part 24 is driven by the temperature sensing metal sheet 25 to move upwards, the valve steam inlet 21 is opened, and thus, steam can enter the valve steam cavity 20 from the valve steam inlet 21 and then is discharged from the valve steam outlet 22; during upward movement of the moveable member 24, the resilient element 26 changes from a compressed state to a stretched state, thus providing an upward pulling force on the moveable member 24, causing the moveable member 24 to rapidly open the valve vapor inlet 21, thereby increasing the sensitivity of vapor venting; when the temperature change of the temperature sensing metal sheet 25 is lower than the preset temperature, the temperature sensing metal sheet 25 bends and deforms (dents and deforms) downwards, so that the moving member 24 is driven by the temperature sensing metal sheet 25 to move downwards, the valve steam inlet 21 is closed, and thus steam cannot be discharged from the valve steam inlet 21; during the downward movement of the movable element 24, the elastic element 26 changes from the stretched state to the compressed state (reset), so that a downward pushing force is provided to the movable element 24, and the movable element 24 rapidly closes the valve vapor inlet 21, thereby closing the valve vapor inlet 21 in time.

The utility model discloses a set up moving part 24 and the temperature sensing sheetmetal 25 that links to each other with moving part 24 in steam valve body 2, can make moving part 24 and temperature sensing sheetmetal 25 constitute the mechanism that opens and shuts of valve steam entry 21 according to the temperature jointly, utilize the temperature sensing sheetmetal 25 to promote the up-and-down activity of moving part 24 along with the characteristic that temperature variation can take place deformation, in order to reach the effect of closing, opening valve steam entry 21, make steam valve body 2 can be according to the discharge of temperature variation automatic control steam, realize in time discharging steam and increase the security that steam discharged; in addition, the sensitivity of the vapor vent is improved by providing a resilient member 26 in the valve vapor cavity 20 to assist the moveable member 24 in opening and closing the valve vapor inlet 21.

Preferably, in the present embodiment, a first arrangement manner of the elastic element 26 is shown, the movable member 24 is provided with an axial inner cavity, an opening of the axial inner cavity is opposite to the valve steam inlet 21, the elastic element 26 is installed in the axial inner cavity, one end of the elastic element 26 abuts against the inner bottom surface of the valve steam cavity 20, and the other end of the elastic element 26 abuts against the inner end surface of the axial inner cavity.

Preferably, the present embodiment further shows a second arrangement manner of the elastic element 26, the elastic element 26 is sleeved outside the movable element 24, a transverse flange 241 is disposed at the top of the movable element 24, one end of the elastic element 26 abuts against the inner bottom surface of the valve steam cavity 20, and the other end of the elastic element 26 abuts against an end surface of the transverse flange 241.

Preferably, the temperature-sensing metal sheet 25 is arc-shaped, the top of the movable member 24 is connected to the arc-shaped outer bottom end surface of the temperature-sensing metal sheet 25, and the arc-shaped opening of the temperature-sensing metal sheet 25 is opposite to the valve steam inlet 21. Wherein, the radian of the temperature sensing metal sheet 25 can be reasonably set according to the value of the set temperature.

Specifically, the arcuate outer bottom end surface of the temperature sensing metal piece 25 is connected to a middle position of the top of the movable piece 24. Alternatively, a groove 242 is formed in a middle position of a top portion of the movable element 24, and an arc-shaped outer bottom end surface of the temperature sensing metal piece 25 is accommodated in the groove 242 and connected to the movable element 24.

The utility model discloses do not specifically prescribe a limit to the connected mode of moving part 24 and temperature sensing sheetmetal 25, for example moving part 24 can weld or the riveting on temperature sensing sheetmetal 25, and moving part 24 also can pass through injection moulding with temperature sensing sheetmetal 25.

Preferably, the temperature-sensitive metal sheet 25 includes a laminate of at least two metals of different materials. For example, the temperature-sensitive metal sheet 25 may be formed by stacking an iron material layer and a copper material layer, and the concave-convex deformation of the temperature-sensitive metal sheet 25 during temperature change may be realized by using a difference in deformation of two different metal layers after thermal expansion and cold contraction. In addition, the thickness of the whole temperature sensing metal piece 25 should be sufficient for the driving force to the movable element 24.

Preferably, the steam valve body 2 is further provided with a steam guide channel 23, one end of the steam guide channel 23 is communicated with the valve steam cavity 20, and the other end of the steam guide channel 23 is communicated with the valve steam outlet 22. Through setting up steam guide channel 23, can guide the steam in the valve steam cavity 20 to discharge to valve steam outlet 22, improve steam discharge speed to can in time discharge steam.

Specifically, the valve steam outlets 22 are provided in two, and one of the steam guide passages 23 is provided for each valve steam outlet 22. Therefore, the speed of steam discharge can be improved, and the steam discharge is thorough.

Additionally, the utility model also provides an electric kettle, as shown in fig. 4, this electric kettle includes foretell automatic steam valve, still includes the kettle main part and covers the kettle lid 1 of establishing in the kettle main part, steam valve body 2 is installed in the kettle lid 1, kettle lid 1 be equipped with respectively with the communicating kettle steam outlet 10 of valve steam outlet 22 and with the communicating kettle steam inlet 11 of valve steam inlet 21.

Specifically, a sealing gasket 3 is arranged between the kettle body and the kettle cover 1 so as to improve the sealing performance of the electric kettle. The sealing washer 3 of the present embodiment is made of a silicone material.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. An automatic steam valve is characterized by comprising a steam valve body, wherein the steam valve body is provided with a valve steam cavity, a valve steam inlet and a valve steam outlet which are respectively communicated with the valve steam cavity, a moving part is arranged in the valve steam cavity, the moving part can move up and down in the valve steam cavity, the top of the moving part is connected with a temperature sensing metal sheet, and the temperature sensing metal sheet is used for deforming according to the temperature of the temperature sensing metal sheet so as to drive the moving part to open and close the valve steam inlet; an elastic element is arranged in the valve steam cavity and used for providing elastic pulling force for the auxiliary moving part to be far away from the valve steam inlet.

2. The automatic steam valve as claimed in claim 1, wherein the movable member has an axial cavity, the opening of the axial cavity is opposite to the valve steam inlet, the elastic member is mounted in the axial cavity, one end of the elastic member abuts against the inner bottom surface of the valve steam cavity, and the other end of the elastic member abuts against the inner end surface of the axial cavity.

3. The automatic steam valve as claimed in claim 1, wherein the resilient member is sleeved on the outside of the movable member, a transverse flange is provided on the top of the movable member, one end of the resilient member abuts against the inner bottom surface of the steam cavity of the valve, and the other end of the resilient member abuts against the end surface of the transverse flange.

4. The automatic steam valve as claimed in claim 1, wherein the temperature sensing metal plate is arc-shaped, the top of the movable member is connected to an arc-shaped outer bottom end surface of the temperature sensing metal plate, and the arc-shaped opening of the temperature sensing metal plate is opposite to the steam inlet of the valve.

5. The automatic steam valve as claimed in claim 4, wherein the temperature sensing metal plate has an arcuate outer bottom end surface connected to a middle portion of the top of the movable member.

6. The automatic steam valve as claimed in claim 4, wherein a recess is formed in a middle position of a top of the movable member, and an arc-shaped outer bottom end surface of the temperature sensing metal piece is received in the recess and connected to the movable member.

7. The automatic steam valve of claim 1, wherein the temperature sensitive metal sheet comprises a laminate of at least two metals of different materials.

8. The automatic steam valve of claim 1 wherein the steam valve body is further provided with a steam guide channel, one end of the steam guide channel being in communication with the valve steam cavity and the other end of the steam guide channel being in communication with the valve steam outlet.

9. The automatic steam valve of claim 8 wherein there are two of said valve steam outlets, one for each of said steam directing passages.

10. An electric kettle, characterized in that, comprising the automatic steam valve of any one of claims 1-9, further comprising a kettle main body and a kettle cover covering the kettle main body, wherein the steam valve main body is installed in the kettle cover, and the kettle cover is respectively provided with a kettle steam outlet communicated with the valve steam outlet and a kettle steam inlet communicated with the valve steam inlet.