CN204427664U - For cooking apparatus lock pressure valve and there is its electric cooker - Google Patents

Abstract

The utility model discloses a pressure locking valve used for cooking utensils and an electric rice cooker with the same. The pressure locking valve used for cooking utensils comprises: a steam valve seat, which is provided with a first steam inlet communicating with a cavity. ; steam valve cover, the steam valve cover is provided with a first steam outlet; steam valve flange, a moving space is defined between the steam valve flange and the steam valve cover, and the steam valve flange is provided with a second steam inlet; Movable cover, the movable cover of the steam valve is movably arranged in the moving space, and the steam channel is defined in the movable cover of the steam valve; memory alloy spring, when the gravity of the movable cover of the steam valve is greater than the elastic force of the memory alloy spring, the movable cover of the steam valve and the steam At least one of the valve flange and the steam valve cover contacts to block the communication of the steam channel with the first steam outlet and/or the second steam inlet. According to the pressure locking valve for cooking utensils of the utility model, the production complexity is reduced, and the use is stable.

Description

Pressure lock valve for cooking appliance and electric rice cooker having same

technical field

The utility model relates to the field of household appliances, in particular to a pressure locking valve used for cooking utensils and an electric rice cooker with the same.

Background technique

The lock valve structure currently used in rice cooker products needs to use a return spring to reset the floating cover of the lock valve. Adding a return spring will not only increase the cost of product materials, but also increase the complexity of production, and the recovery process of the spring must be avoided. Interference with the inner wall, otherwise the return spring will fail, reducing reliability.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present utility model is to provide a pressure locking valve for cooking utensils, the production complexity of the pressure locking valve for cooking utensils is reduced, and the use is stable.

Another object of the present utility model is to provide an electric rice cooker with the above-mentioned pressure lock valve for cooking utensils.

The pressure lock valve for cooking utensils according to the utility model includes: a steam valve seat, which defines a cavity with an open top inside, and a first valve communicating with the cavity is provided on the steam valve seat. A steam inlet; a steam valve cover, the steam valve cover is arranged on the top of the cavity, and the steam valve cover is provided with a first steam outlet; a steam valve flange, the steam valve flange is arranged on the In the cavity and fixed on the lower part of the steam valve cover, a moving space is defined between the steam valve flange and the steam valve cover, and the steam valve flange is provided with a second steam inlet; the steam valve is movable Cover, the movable cover of the steam valve is movably arranged in the moving space, and a steam channel is defined in the movable cover of the steam valve; a memory alloy spring, the two ends of the memory alloy spring respectively move with the steam valve The cover is connected to the flange of the steam valve, and the memory alloy spring communicates with the second steam inlet. When the gravity of the movable cover of the steam valve is greater than the elastic force of the memory alloy spring, the movable cover of the steam valve and the At least one of the steam valve flange and the steam valve cover is in contact to block the steam channel from communicating with the first steam outlet and/or the second steam inlet, when the memory alloy reaches a predetermined temperature Finally, the elastic force of the memory alloy spring is greater than the gravity of the movable cover of the steam valve, and the memory alloy spring pushes up the movable cover of the steam valve to make the steam channel and the first steam outlet and/or the second The steam inlet is open.

According to the pressure lock valve for cooking utensils of the present invention, by setting the memory alloy spring, the elastic force of the memory alloy spring is greater than the gravity of the movable cover of the steam valve at a higher temperature, and the steam channel is connected with the first steam outlet and the second steam outlet. The inlet is connected, and the steam can be discharged from the cooking appliance; and at a lower temperature or normal temperature, the gravity of the movable cover of the steam valve is greater than that of the memory alloy spring, and the movable cover of the steam valve will fall back under the action of its own gravity, and the The flange and/or the steam valve cover are in contact to block the communication between the steam channel and the first steam outlet and/or the second steam inlet.

Therefore, the structure of the pressure lock valve is simple, the production complexity of the pressure lock valve is reduced, the working stability thereof is also improved, and the cost is reduced compared with the traditional pressure lock valve.

In addition, the pressure lock valve for cooking utensils according to the utility model can also have the following additional technical features:

According to one embodiment of the present invention, it also includes a counterweight floating cover, the counterweight floating cover is fixed on the steam valve movable cover, and a gap is left between the counterweight floating cover and the steam valve movable cover gap.

According to an embodiment of the present utility model, the floating cover of the counterweight is snap-connected with the movable cover of the steam valve.

According to an embodiment of the present invention, the outer peripheral wall of the counterweight floating cover is located outside the outer peripheral wall of the movable cover of the steam valve.

According to an embodiment of the present invention, the flange of the steam valve is provided with a protrusion, and the lower end of the memory alloy spring is covered on the protrusion.

According to an embodiment of the present utility model, a plurality of hollow matching parts are provided inside the movable cover of the steam valve to define the steam channel.

According to an embodiment of the present utility model, there are multiple second steam inlets.

According to an embodiment of the present invention, the plurality of second steam inlets are arranged at intervals in the circumferential direction, and each of the second steam inlets extends radially.

According to an embodiment of the present utility model, the steam valve flange is snap-connected with the steam valve cover.

The electric rice cooker according to the utility model includes the above-mentioned pressure lock valve for cooking utensils.

According to the electric rice cooker of the embodiment of the present invention, since the above-mentioned pressure locking valve for cooking utensils is provided, the material cost is reduced and the production complexity is simplified.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is an exploded view in one direction of a pressure lock valve for a cooking appliance according to an embodiment of the present invention;

Fig. 2 is an exploded view in another direction of a pressure lock valve for a cooking appliance according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a pressure lock valve for a cooking appliance according to an embodiment of the present invention;

Fig. 4 is a cross-sectional view of a pressure lock valve for a cooking appliance according to one direction of an embodiment of the present invention;

Fig. 5 is a cross-sectional view of a pressure lock valve for a cooking appliance according to another direction of an embodiment of the present invention.

Reference signs: pressure lock valve 100 for cooking appliance, steam valve seat 10, cavity 101, first steam inlet 102, steam valve cover 20, first steam outlet 201, steam valve flange 30, protrusion 31, Moving space 301 , second steam inlet 302 , steam valve movable cover 40 , matching part 41 , steam channel 401 , memory alloy spring 50 , counterweight floating cover 60 .

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; may be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediary, and may be an internal communication between two elements or an interactive relationship between two elements, unless otherwise stated Clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first feature and the second feature through an intermediary indirect contact. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

The pressure lock valve 100 for cooking utensils according to the embodiment of the present invention will be described in detail below in conjunction with FIGS. . The cooking utensils may be rice cooker products such as electric rice cooker and electric pressure cooker.

The pressure locking valve 100 for a cooking appliance according to the embodiment of the present invention may include a steam valve seat 10 , a steam valve cover 20 , a steam valve flange 30 , a steam valve movable cover 40 and a memory alloy spring 50 .

Wherein, the steam valve seat 10 is fixed on the cooking utensil, as shown in Fig. 4 and Fig. 5 in conjunction with Fig. 1, a cavity 101 with an open top is defined in the steam valve seat 10, and the steam valve seat 10 is provided with the cavity 101 A connected first steam inlet 102 ; when the cooking appliance is in operation, the steam in the cooking appliance can enter the cavity 101 through the first steam inlet 102 .

As shown in FIGS. 3 to 5 , the steam valve cover 20 is disposed on the top of the cavity 101 , and the steam valve cover 20 is provided with a first steam outlet 201 . That is to say, the steam valve cover 20 is arranged on the steam valve seat 10, the first steam inlet 102 and the first steam outlet 201 can communicate with each other through the cavity 101 in the steam valve seat 10, and steam enters into the steam valve through the first steam inlet 102. cavity 101, and then discharged from the first steam outlet 201.

Optionally, the steam valve cover 20 and the steam valve seat 10 can be connected together by buckling. Thus, the steam valve cover 20 can be conveniently installed on the steam valve seat 10 , which improves the assembly efficiency of the steam valve seat 10 and the steam valve cover 20 .

As shown in FIG. 4 and FIG. 5 together with FIG. 1 and FIG. 2 , the steam valve flange 30 is disposed in the cavity 101 , and the steam valve flange 30 can be fixed on the lower part of the steam valve cover 20 . In other words, the steam valve flange 30 is fixed, a moving space 301 is defined between the steam valve flange 30 and the steam valve cover 20, the steam valve flange 30 is provided with a second steam inlet 302, and steam can pass through the first The steam inlet 102 and the second steam inlet 302 enter into the movement space 301 . Optionally, the steam valve flange 30 is connected to the steam valve cover 20 through snap fit, thereby improving the installation efficiency of the steam valve flange 30 and the steam valve cover 20 .

The steam valve movable cover 40 is movably arranged in the moving space 301 , and the steam valve movable cover 40 defines a steam channel 401 . Under certain conditions, the steam in the cooking appliance can enter the steam channel 401 through the first steam inlet 102 and the second steam inlet 302 .

As shown in FIG. 4 and FIG. 5 , the two ends of the memory alloy spring 50 are respectively connected with the movable cover 40 of the steam valve and the flange 30 of the steam valve. Specifically, the upper end of the memory alloy spring 50 is connected to the movable cover 40 of the steam valve, and the lower end of the memory alloy spring 50 is connected to the flange 30 of the steam valve. It should be noted that the steam valve movable cover 40 is only connected to the upper end of the memory alloy spring 50 , so the steam valve movable cover 40 can move up and down in the moving space 301 under the influence of the elastic force of the memory alloy spring 50 .

When the memory alloy spring 50 is in the normal temperature environment or the memory alloy spring 50 does not reach a specific temperature, the gravity of the steam valve movable cover 40 is greater than the elastic force of the memory alloy spring 50, and the steam valve movable cover 40 is connected with the steam valve flange 30 and the steam valve. At least one of the valve cover 20 contacts to block the conduction of the steam channel 401 with the first steam outlet 201 and/or the second steam inlet 302, so that the first steam inlet 102 and the first steam outlet 201 are in a non-conductive state, The steam in the cooking appliance will not be discharged from the first steam outlet 201, so that the pressure in the cooking appliance can be increased, so that the temperature can be increased rapidly, and the cooking time can be reduced.

That is to say, when the gravity of the steam valve movable cover 40 is greater than the elastic force of the memory alloy spring 50 , the steam valve movable cover 40 can be in contact with the steam valve flange 30 and not in contact with the steam valve cover 20 . At this time, the steam channel 401 is in communication with the first steam outlet 201, but not in communication with the second steam inlet 302. The steam cannot enter the steam channel 401 through the second steam inlet 302. Of course, the steam cannot flow from the steam channel 401 to the second steam channel 401. A steam outlet 201 is discharged.

Or, when the gravity of the steam valve movable cover 40 is greater than the elastic force of the memory alloy spring 50, the steam valve movable cover 40 can be in contact with the steam valve cover 20 instead of the steam valve flange 30. The inlet 302 is connected and not communicated with the first steam outlet 201. Steam can enter the steam channel 401 through the first steam inlet 102 and the second steam inlet 302. However, since the steam valve movable cover 40 is in contact with the steam valve cover 20, the steam It cannot be discharged through the first steam outlet 201.

Of course, when the gravity of the steam valve movable cover 40 is greater than the elastic force of the memory alloy spring 50, the steam valve movable cover 40 can be in contact with the steam valve flange 30 and the steam valve cover 20 at the same time. It is connected to the second steam inlet 302 and not connected to the first steam outlet 201 , so the steam cannot be discharged into the room through the steam channel 401 .

After the cooking utensil works for a period of time, the temperature in the cooking utensil increases and the pressure increases. The elastic force of the heated memory alloy spring 50 is greater than the gravity of the steam valve movable cover 40. Under the action of the elastic force of 50, it moves upward for a certain distance, so as not to contact any one of the steam valve flange 30 and the steam valve cover 20, the steam channel 401 is connected with the second steam inlet 302 and the first steam outlet 201, and the steam can be Enter the steam channel 401 through the second steam inlet 302 , and then discharge from the first steam outlet 201 .

As shown in FIG. 1 , FIG. 4 and FIG. 5 , the memory alloy spring 50 communicates with the second steam inlet 302 . That is to say, the number of the second steam inlet 302 can not be specifically limited, no matter when the gravity of the steam valve movable cover 40 is greater than the elastic force of the memory alloy spring 50, the steam channel 401 is connected with the first steam outlet 201 and/or the second steam inlet 302 No conduction, or when the gravity of the steam valve movable cover 40 is less than the elastic force of the memory alloy spring 50 to cause the steam channel 401 to conduct with the first steam outlet 201 and the second steam inlet 302, the steam in the cooking utensil can pass through the second steam The inlet 302 enters the area where the memory alloy spring 50 is located, so that the memory alloy spring 50 can feel the temperature of the steam all the time.

According to the pressure locking valve 100 for cooking utensils according to the embodiment of the present utility model, by setting the memory alloy spring 50, the elastic force of the memory alloy spring 50 is greater than the gravity of the movable cover 40 of the steam valve at a relatively high temperature, and the steam channel 401 and the second A steam outlet 201 communicates with the second steam inlet 302, and steam can be discharged from the cooking appliance; and at a lower temperature or at normal temperature, the gravity of the steam valve movable cover 40 is greater than the gravity of the memory alloy spring 50, and the steam valve movable cover 40 It will fall back under the action of its own gravity, contact the steam valve flange 30 and/or the steam valve cover 20 , and block the communication between the steam channel 401 and the second steam inlet 302 and/or the first steam outlet 201 .

Therefore, the structure of the pressure lock valve 100 is simple, the production complexity of the pressure lock valve 100 is reduced, and its working stability is also improved. Compared with the traditional pressure lock valve, the cost is reduced.

In a specific embodiment of the present invention, as shown in Fig. 1 and Fig. 2, Fig. 4 and Fig. 5, the pressure lock valve 100 for cooking utensils also includes a counterweight floating cover 60, and the counterweight floating cover 60 is fixed on the steam On the valve movable cover 40, it is used to increase the weight of the steam valve movable cover 40, and there is a certain gap between the counterweight floating cover 60 and the steam valve movable cover 40, so that the steam in the steam channel 401 can discharge steam from the gap Valve movable cover 40.

It should be understood that, when the steam valve movable cover 40 is provided with a counterweight floating cover 60, and the gravity of the counterweight floating cover 60 and the steam valve movable cover 40 is greater than the elastic force of the memory alloy spring 50, the counterweight floating cover 60 can also be Contact the steam valve cover 20 to block the conduction between the steam channel 401 and the first steam outlet 201, and the steam cannot be discharged through the first steam outlet 201; When the elastic force is lower, the counterweight floating cover 60 and the steam valve movable cover 40 will move upwards by one end distance under the elastic force of the memory alloy spring 50, so that the steam channel 401 is connected with the first steam outlet 201, and the steam can pass through the first steam outlet 201. The steam outlet 201 is discharged.

Optionally, the counterweight floating cover 60 is connected to the movable cover 40 of the steam valve through buckling. Therefore, the assembly of the counterweight floating cover 60 and the steam valve movable cover 40 is easy, thereby improving the assembly efficiency of the counterweight floating cover 60 and the steam valve movable cover 40 .

In some embodiments of the present invention, as shown in FIG. 4 and FIG. 5 , the outer peripheral wall of the counterweight floating cover 60 is located outside the outer peripheral wall of the movable cover 40 of the steam valve.

During assembly, the steam valve cover 20 needs to be installed on the steam valve seat 10 , and then the counterweight floating cover 60 is snapped onto the steam valve movable cover 40 in the cavity 101 from the first steam outlet 201 .

In some embodiments of the present invention, as shown in FIG. 4 and FIG. 5 , the flange 30 of the steam valve is provided with a protrusion 31 , and the lower end of the memory alloy spring 50 is covered on the protrusion 31 . Of course, it can be understood that the outer diameter of the protrusion 31 can be substantially the same as the inner diameter of the memory alloy spring 50 . As a result, the assembly of the memory alloy spring 50 and the steam valve flange 30 can be made easier, thereby improving the assembly efficiency of the pressure lock valve 100 to a certain extent.

As shown in FIG. 1 , a plurality of hollow matching parts 41 are provided in the movable cover 40 of the steam valve to define a steam channel 401 . When the weight of the steam valve movable cover 40 is greater than the elastic force of the memory alloy spring 50, the lower end of the matching portion 41 contacts the steam valve flange 30 or/and the upper end of the matching portion 41 contacts the steam valve cover 20 to block the steam channel 401 It communicates with the second steam inlet 302 and/or the first steam outlet 201 .

In a specific example of the present invention, as shown in FIG. 1 , there are two matching parts 41 , and the two matching parts 41 are arranged in the movable cover 40 of the steam valve oppositely. Of course, it can be understood that the matching portion 41 may also be a hollow ring structure.

According to some embodiments of the present invention, as shown in FIG. 1 , there are multiple second steam inlets 302 . Thus, it is convenient for steam to enter into the movable cover 40 of the steam valve.

Further, as shown in FIG. 1 , a plurality of second steam inlets 302 are arranged at intervals in the circumferential direction, and each second steam inlet 302 extends radially. In this way, the distribution of the plurality of second steam outlets 302 is even, which further facilitates the steam entering into the movable cover 40 of the steam valve, and at the same time ensures that the flange 30 of the steam valve has high strength.

The electric rice cooker according to the embodiment of the utility model is briefly described below.

The electric rice cooker according to the embodiment of the present utility model includes the pressure locking valve 100 for cooking utensils in the above embodiment. Since the rice cooker according to the embodiment of the present utility model is provided with the above-mentioned pressure lock valve 100 for cooking utensils, material costs are reduced and production complexity is simplified.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as limitations of the present invention, and those skilled in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (10)

1. A pressure lock valve for a cooking utensil, characterized in that it comprises: a steam valve seat, the steam valve seat defines a cavity with an open top, and the steam valve seat is provided with a first steam inlet communicating with the cavity; a steam valve cover, the steam valve cover is arranged on the top of the cavity, and the steam valve cover is provided with a first steam outlet; a steam valve flange, the steam valve flange is arranged in the cavity and fixed on the lower part of the steam valve cover, a moving space is defined between the steam valve flange and the steam valve cover, the A second steam inlet is provided on the steam valve flange; A steam valve movable cover, the steam valve movable cover is movably arranged in the moving space, and a steam channel is defined in the steam valve movable cover; A memory alloy spring, the two ends of the memory alloy spring are respectively connected with the movable cover of the steam valve and the flange of the steam valve, the memory alloy spring communicates with the second steam inlet, and the movable cover of the steam valve When the gravity is greater than the elastic force of the memory alloy spring, the movable cover of the steam valve is in contact with at least one of the flange of the steam valve and the cover of the steam valve to block the connection between the steam channel and the first steam outlet and /or the second steam inlet is turned on, and when the memory alloy reaches a predetermined temperature, the elastic force of the memory alloy spring is greater than the gravity of the movable cover of the steam valve, and the memory alloy spring lifts the movable cover of the steam valve to The steam channel is communicated with the first steam outlet and the second steam inlet. 2. The pressure lock valve for cooking utensils according to claim 1, further comprising a counterweight floating cover, the counterweight floating cover is fixed on the movable cover of the steam valve, and the counterweight There is a gap between the floating cover and the movable cover of the steam valve. 3 . The pressure locking valve for cooking appliances according to claim 2 , wherein the floating cover of the counterweight is snap-connected with the movable cover of the steam valve. 4 . 4 . The pressure lock valve for cooking appliances according to claim 2 , wherein the peripheral wall of the floating cover of the counterweight is located outside the peripheral wall of the movable cover of the steam valve. 5 . The pressure locking valve for cooking appliances according to claim 1 , wherein a protrusion is provided on the flange of the steam valve, and the lower end of the memory alloy spring covers the protrusion. 5 . 6 . The pressure lock valve for a cooking appliance according to claim 1 , wherein a plurality of hollow matching parts are provided in the movable cover of the steam valve to define the steam channel. 7 . 7. The pressure lock valve for cooking appliances according to claim 1, wherein there are multiple second steam inlets. 8 . The pressure lock valve for a cooking appliance according to claim 7 , wherein the plurality of second steam inlets are arranged at intervals in the circumferential direction, and each of the second steam inlets extends radially. 9 . The pressure lock valve for cooking appliances according to claim 1 , wherein the steam valve flange is snap-connected with the steam valve cover. 10 . 10. An electric rice cooker, characterized by comprising the pressure lock valve for cooking utensils according to any one of claims 1-9.