CN212912828U - Pressure limiting valve assembly and cooking utensil with same - Google Patents

Abstract

The utility model provides a pressure limiting valve assembly and have its cooking utensil, this pressure limiting valve assembly includes: a pressure limiting valve; the magnetic suction valve comprises a main body and an exhaust pipe, wherein the exhaust pipe penetrates through the main body, the pressure limiting valve is sleeved on the exhaust pipe, and the magnetic suction valve is matched with the pressure limiting valve through magnetic force; the first shell is sleeved on the side walls of the pressure limiting valve and the magnetic suction valve and shields a gap between the pressure limiting valve and the magnetic suction valve. Through the technical scheme provided by the application, the problem that the pressure limiting valve assembly in the related art is complex in structure can be solved.

Description

Pressure limiting valve assembly and cooking utensil with same

Technical Field

The utility model relates to a cooking utensil technical field particularly, relates to a pressure limiting valve assembly and have its cooking utensil.

Background

Generally, an electric pressure cooker is provided with a pressure limiting valve assembly for realizing automatic exhaust, wherein the pressure limiting valve assembly comprises a pressure limiting valve, an exhaust lever and a solenoid valve, and the solenoid valve is in driving connection with the exhaust lever and the pressure limiting valve. Specifically, the electromagnetic valve drives the exhaust lever to rotate, and the exhaust lever drives the pressure limiting valve to move so as to realize exhaust.

However, in the related art, the way of pushing the exhaust lever and exhausting the pressure limiting valve by the electromagnetic valve is adopted, so that the number of components is large, and the fit clearance and the precision of the components are difficult to control. Therefore, the related art has a problem that the pressure limiting valve assembly is complicated in structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pressure limiting valve assembly and have its cooking utensil to solve the complicated problem of pressure limiting valve assembly structure among the correlation technique.

According to an aspect of the utility model, a pressure limiting valve assembly is provided, and pressure limiting valve assembly includes: a pressure limiting valve; the magnetic suction valve comprises a main body and an exhaust pipe, wherein the exhaust pipe penetrates through the main body, the pressure limiting valve is sleeved on the exhaust pipe, and the magnetic suction valve is matched with the pressure limiting valve through magnetic force; the first shell is sleeved on the side walls of the pressure limiting valve and the magnetic suction valve and shields a gap between the pressure limiting valve and the magnetic suction valve.

Use the technical scheme of the utility model, this pressure limiting valve subassembly includes pressure limiting valve, magnetism and inhales valve and first casing. The pressure limiting valve is sleeved on the exhaust pipe of the magnetic suction valve, and the magnetic suction valve is directly matched with the pressure limiting valve through magnetic force, so that the part of the exhaust lever can be omitted, and the structure of the pressure limiting valve assembly can be simplified. In addition, the first shell is sleeved on the side walls of the pressure limiting valve and the magnetic suction valve, so that the first shell shields the gap between the pressure limiting valve and the magnetic suction valve, and impurities such as external fluid can be prevented from entering the magnetic suction valve, and the protective performance of the pressure limiting valve assembly can be improved while the structure of the pressure limiting valve assembly is simplified.

Further, the pressure limiting valve assembly further comprises a sealing structure, and the sealing structure is arranged between the magnetic suction valve and the first shell, so that the protection performance of the pressure limiting valve assembly can be further improved.

Further, seal structure includes installation department and sealing member, and the installation department sets up on the inner wall of first casing, and the sealing member card is established between installation department and magnetism valve. Through set up the installation department on the inner wall at first casing, be convenient for utilize the installation department to fix the sealing member, compare in only with the mode of sealing member pressure equipment between first casing and magnetism valve, can promote the fixed effect of sealing member, and then can guarantee the sealing performance of pressure limiting valve subassembly.

Further, the sealing member includes annular body and top sealing portion, and the annular body clamp is established between the lateral wall of installation department and magnetism valve, and top sealing portion lid is established at the top of installation department and the clearance department between the top of magnetism valve. Utilize annular body can carry out the shutoff to the clearance between the lateral wall of installation department and magnetism valve, utilize top seal portion can carry out the shutoff to the clearance between the top of installation department and the top of magnetism valve, can further promote sealed effect.

Further, the sealing element further comprises a first flanging arranged on the annular body, the first flanging is arranged on the periphery of the annular body, the mounting portion comprises a clamping groove with a downward opening, and the first flanging extends into the clamping groove. The first flanging is matched with the clamping groove to realize clamping connection of the sealing element and the mounting part, so that the fixing effect of the sealing element is ensured.

Further, an annular groove is arranged on the side wall of the first shell, extends along the circumferential direction of the first shell, and is opened upwards. In the working process of the pressure limiting valve assembly, liquid discharged from the pot through the exhaust pipe can flow into the annular groove, and the annular groove plays a role in containing the liquid, so that the liquid can be prevented from flowing back into the pot.

Furthermore, the magnetic valve is provided with a lug which is connected with the first shell, so that the magnetic valve is connected with the first shell by the lug conveniently.

Furthermore, the pressure limiting valve assembly further comprises a second shell, the second shell covers the magnetic suction valve and is located below the first shell, and a contact boss is arranged on the bottom surface of the second shell. By adopting the structure, the pressure limiting valve component can realize line-surface or point-surface contact with the installation surface of the pressure limiting valve component on the cooking utensil through the contact boss, and compared with the installation mode of surface-surface contact, the installation stability of the pressure limiting valve component can be improved.

According to another aspect of the present invention, there is provided a cooking appliance, the cooking appliance including: the face cover is provided with a valve hole; the metal cover is positioned below the surface cover; and the pressure limiting valve component is arranged on the metal cover and penetrates through the valve hole, and the pressure limiting valve component is the pressure limiting valve component. The pressure limiting valve assembly can be used for eliminating the part of the exhaust lever, and the structure of the pressure limiting valve assembly can be simplified. In addition, the first shell of the pressure limiting valve component can shield the gap between the pressure limiting valve and the magnetic suction valve, so that impurities such as external fluid can be prevented from entering the magnetic suction valve through the gap, and the protective performance of the pressure limiting valve component can be improved while the structure of the pressure limiting valve component is simplified.

Furthermore, an annular groove is formed in the side wall of the first shell of the pressure limiting valve assembly, the annular groove extends along the circumferential direction of the first shell and is provided with an upward opening, an annular boss is arranged on one side, facing the metal cover, of the face cover and is inserted into the annular groove, and the annular boss and the annular groove are matched to play a role in positioning the pressure limiting valve assembly. Moreover, the annular groove can play a role of containing liquid, so that the liquid discharged from the pot through the exhaust pipe can be prevented from flowing back into the pot.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 illustrates an exploded view of a pressure limiting valve assembly provided by an embodiment of the present invention;

FIG. 2 illustrates a cross-sectional view of a pressure limiting valve assembly provided by an embodiment of the present invention;

FIG. 3 shows a partial enlarged view at A in FIG. 2;

fig. 4 shows a schematic structural view of the first housing in fig. 1;

FIG. 5 shows a schematic structural view of the seal of FIG. 1;

FIG. 6 shows a schematic view of the magnetic valve of FIG. 1;

fig. 7 shows an exploded view of a cover assembly of a cooking appliance according to an embodiment of the present invention;

fig. 8 shows a cross-sectional view of a cover assembly of a cooking appliance provided by an embodiment of the present invention;

fig. 9 shows a schematic structural view of the second cover in fig. 7;

FIG. 10 shows a schematic view of the connection cover of FIG. 7;

fig. 11 is a schematic structural diagram of a cooking appliance according to an embodiment of the present invention;

fig. 12 shows an exploded view of a cooking appliance provided by an embodiment of the present invention;

fig. 13 shows a cross-sectional view of a cooking appliance provided by an embodiment of the present invention.

Wherein the figures include the following reference numerals:

110. a face cover; 111. a first cover; 112. a second cover; 1126. an annular boss; 114. a connecting cover; 116. a valve bore; 117. an annular boss; 120. a metal cover; 140. a pressure limiting valve assembly; 141. a pressure limiting valve; 142. a magnetic valve; 1421. a main body; 1422. an exhaust pipe; 1423. a lug; 143. a first housing; 1431. an annular groove; 144. a sealing structure; 1441. an installation part; 14411. a card slot; 1442. a seal member; 14421. an annular body; 14422. a top seal portion; 14423. a first flanging; 145. a second housing; 1451. contacting the boss.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 6, an embodiment of the present invention provides a pressure limiting valve assembly, which includes a pressure limiting valve 141, a magnetic attraction valve 142 and a first housing 143. The magnetic valve 142 includes a main body 1421 and an exhaust pipe 1422, the exhaust pipe 1422 is disposed through the main body 1421, one end of the exhaust pipe 1422 is connected to the pot, and the other end of the exhaust pipe 1422 is disposed corresponding to the outside. By sleeving the pressure limiting valve 141 on the exhaust pipe 1422, the magnetic attraction valve 142 is magnetically engaged with the pressure limiting valve 141, and the magnetic attraction valve 142 can be used to control the position of the pressure limiting valve 141 on the exhaust pipe 1422, so as to control the communication state between the exhaust pipe 1422 and the outside, and further control the opening and closing of the pressure limiting valve assembly. In this embodiment, the first housing 143 is disposed on the side walls of the pressure-limiting valve 141 and the magnetic valve 142, and the first housing 143 covers the gap between the pressure-limiting valve 141 and the magnetic valve 142.

By applying the pressure limiting valve assembly provided by this embodiment, the magnetic valve 142 is set as the main body 1421 and the exhaust pipe 1422, and then the pressure limiting valve 141 is sleeved on the exhaust pipe 1422, and the magnetic valve 142 and the pressure limiting valve 141 are directly matched by magnetic force, so that the part of the exhaust lever can be eliminated, thereby simplifying the structure of the pressure limiting valve assembly, and further ensuring the matching gap between the parts to improve the precision. In addition, the first housing 143 is sleeved on the side walls of the pressure limiting valve 141 and the magnetic suction valve 142, so that the first housing 143 shields the gap between the pressure limiting valve 141 and the magnetic suction valve 142, and external impurities such as fluid can be prevented from entering the magnetic suction valve 142 through the gap, thereby simplifying the structure of the pressure limiting valve assembly and improving the protection performance of the pressure limiting valve assembly.

Wherein, the magnetic attraction valve 142 and the pressure limiting valve 141 are matched by magnetic force, and the magnetic attraction valve comprises the following two modes:

first, the magnetic valve 142 is matched with the pressure limiting valve 141 by repulsion force, and under the action of the repulsion force, the pressure limiting valve 141 moves towards the direction far away from the magnetic valve 142 to open the pressure limiting valve assembly;

secondly, the magnetic valve 142 is matched with the pressure limiting valve 141 by suction force, and under the action of suction force, the pressure limiting valve 141 moves towards the direction close to the magnetic valve 142 to reduce the opening degree of the pressure limiting valve assembly or directly close the pressure limiting valve assembly. Before the pressure limiting valve is opened, when the magnetic suction valve 142 and the pressure limiting valve 141 are matched through suction force, the exhaust pressure can be increased at the moment.

To further enhance the protective capabilities of the pressure limiting valve assembly, the pressure limiting valve assembly further includes a sealing structure 144, the sealing structure 144 being disposed between the magnetically attractive valve 142 and the first housing 143.

As shown in fig. 2 and 3, the sealing structure 144 includes a mounting portion 1441 and a sealing member 1442, the mounting portion 1441 is disposed on an inner wall of the first housing 143, and the sealing member 1442 is interposed between the mounting portion 1441 and the magnetic attraction valve 142. Through set up installation department 1441 on the inner wall of first casing 143, be convenient for utilize installation department 1441 to fix sealing member 1442, compare in the mode of only with the sealing member pressure equipment between first casing 143 and magnetism inhale valve 142, can promote the fixed effect of sealing member 1442, and then can guarantee the sealing performance of pressure limiting valve subassembly.

As shown in fig. 3 and 5, the sealing member 1442 includes an annular body 14421 and a top sealing portion 14422, the annular body 14421 is sandwiched between the mounting portion 1441 and the side wall of the magnetic attraction valve 142, and the top sealing portion 14422 covers a gap between the top of the mounting portion 1441 and the top of the magnetic attraction valve 142. By adopting the structure, the gap between the installation part 1441 and the side wall of the magnetic valve 142 can be blocked by utilizing the annular body 14421, and the gap between the top of the installation part 1441 and the top of the magnetic valve 142 can be blocked by utilizing the top sealing part 14422, so that the sealing effect can be further improved. A top seal 14422 is positioned partially over the magnetically actuable valve 142 and partially over the mounting 1441.

In this embodiment, the sealing member 1442 further includes a first flange 14423 disposed on the annular body 14421, a first flange 14423 is disposed on an outer periphery of the annular body 14421, the mounting portion 1441 includes a downwardly opening notch 14411, and the first flange 14423 extends into the notch 14411. The first turned edge 14423 is matched with the clamping groove 14411 to realize clamping connection of the sealing element 1442 and the mounting part 1441, so that the fixing effect of the sealing element 1442 is guaranteed. Specifically, the first turned-over edge 14423 has a space from the outer wall of the annular body 14421, the partial mounting portion 1441 is inserted in the space, and the first turned-over edge 14423 is inserted in the catching groove 14411.

As shown in fig. 4, an annular groove 1431 is provided on a side wall of the first housing 143, and the annular groove 1431 extends in a circumferential direction of the first housing 143 and opens upward. During operation of the pressure limiting valve assembly, liquid exiting the boiler through the vent 1422 can flow into the annular groove 1431, and the annular groove 1431 acts to contain the liquid, thereby preventing backflow of the liquid into the boiler.

As shown in fig. 6, the magnetic valve 142 is provided with a protrusion 1423, and the protrusion 1423 is connected to the first housing 143. By providing the ledge 1423, the magnetic attachment valve 142 to the first housing 143 is facilitated by the ledge 1423. In this embodiment, the ledge 1423 is coupled to the first housing 143 by a fastener.

In this embodiment, the pressure limiting valve assembly further includes a second housing 145, the second housing 145 covers the magnetic valve 142 and is located below the first housing 143, and a contact boss 1451 is disposed on a bottom surface of the second housing 145. With the above structure, the pressure limiting valve assembly can realize line-surface or point-surface contact with the mounting surface of the contact boss 1451 on the cooking appliance, and compared with the surface-surface contact mounting mode, the mounting stability of the pressure limiting valve assembly can be improved. In this embodiment, the contact boss 1451 is an annular boss disposed coaxially with the second housing 145, and the pressure limiting valve assembly may achieve line-surface contact with its mounting surface on the cooking appliance through the contact boss 1451. Wherein, a plurality of contact bosses 1451 are further annularly provided at intervals on the bottom surface of the second housing 145, and the pressure limiting valve assembly can realize point-surface contact with the mounting surface of the cooking appliance through the contact bosses 1451. Specifically, the contact boss 1451 abuts against an upper surface of the metal cover 120 of the cooking appliance.

In this embodiment, an annular boss 1126 is provided on the second cover 112, and the pressure limiting valve assembly 140 is inserted into the annular boss 1126. By adopting the structure, the annular boss 1126 can radially limit the pressure limiting valve assembly 140, and can prevent the pressure limiting valve assembly 140 from shaking, so as to ensure the coaxiality of the pressure limiting valve assembly 140 and the metal cover 120. Specifically, the outer wall of the pressure limiting valve assembly 140 is clearance fit with the inner wall of the annular boss 1126.

As shown in fig. 7 to 13, another embodiment of the present invention provides a cooking appliance including a cover assembly including a face cover 110, a metal cover 120, and a pressure limiting valve assembly 140. The face cover 110 is provided with a valve hole 116, the metal cover 120 is located below the face cover 110, the pressure limiting valve assembly 140 is arranged on the metal cover 120 and penetrates through the valve hole 116, and the pressure limiting valve assembly 140 is the pressure limiting valve assembly provided above. The use of the pressure limiting valve assembly 140 described above can eliminate the exhaust lever as a component, and can simplify the structure of the pressure limiting valve assembly. In addition, the first housing 143 of the pressure limiting valve assembly 140 shields the gap between the pressure limiting valve 141 and the magnetic valve 142, so that the impurities such as external fluid can be prevented from entering the magnetic valve 142 through the gap, and the protective performance of the pressure limiting valve assembly can be improved while the structure of the pressure limiting valve assembly is simplified.

As shown in fig. 4, 7 and 10, an annular groove 1431 is provided on a side wall of the first housing 143 of the pressure limiting valve assembly 140, the annular groove 1431 extends in a circumferential direction of the first housing 143 and opens upward, and an annular boss 117 is provided on a side of the face cover 110 facing the metal cover 120, the annular boss 117 being inserted in the annular groove 1431. By inserting the annular boss 117 on the face cap 110 within the annular groove 1431 of the pressure relief valve assembly 140, the annular boss 117 cooperates with the annular groove 1431 to provide a location for the pressure relief valve assembly 140. Moreover, during operation of the pressure limiting valve assembly, liquid drained from the boiler through the vent 1422 can flow into the annular groove 1431, and the annular groove 1431 serves to contain the liquid, thereby preventing the liquid from flowing back into the boiler.

As shown in fig. 7, the face cover 110 includes a first cover 111 and a second cover 112, the first cover 111 is disposed above the second cover 112, and an annular boss 117 is disposed on the first cover 111.

As shown in fig. 10, the face cover 110 further includes a connection cover 114, the connection cover 114 is located on a side of the first cover 111 away from the second cover 112, and an annular boss 117 is provided on the connection cover 114.

Wherein, the pressure limiting valve 141 of the pressure limiting valve assembly 140 is partially protruded on the connecting cover 114 at the top, which is convenient for detaching and cleaning the pressure limiting valve 141.

Wherein, the cooking utensil is an electric pressure cooker, and can also be an electric cooker, a low-pressure rice cooker, a soybean milk machine, a food processor, an electric stewpan and the like.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

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

Claims (10)

1. A pressure limiting valve assembly, characterized in that the pressure limiting valve assembly comprises:

a pressure limiting valve (141);

the magnetic suction valve (142) comprises a main body (1421) and an exhaust pipe (1422), the exhaust pipe (1422) is arranged in the main body (1421) in a penetrating mode, the pressure limiting valve (141) is sleeved on the exhaust pipe (1422), and the magnetic suction valve (142) is matched with the pressure limiting valve (141) through magnetic force;

the first shell (143) is sleeved on the side walls of the pressure limiting valve (141) and the magnetic suction valve (142), and the first shell (143) shields a gap between the pressure limiting valve (141) and the magnetic suction valve (142).

2. The pressure limiting valve assembly of claim 1 further comprising a sealing structure (144), the sealing structure (144) disposed between the magnetically attractive valve (142) and the first housing (143).

3. The pressure limiting valve assembly of claim 2 wherein the sealing structure (144) includes a mounting portion (1441) and a seal (1442), the mounting portion (1441) being disposed on an inner wall of the first housing (143), the seal (1442) being captured between the mounting portion (1441) and the magnetically attractive valve (142).

4. The pressure limiting valve assembly of claim 3, wherein the seal (1442) includes an annular body (14421) and a top sealing portion (14422), the annular body (14421) being sandwiched between the mounting portion (1441) and the side wall of the magnetically attractive valve (142), the top sealing portion (14422) covering a gap between a top of the mounting portion (1441) and a top of the magnetically attractive valve (142).

5. The pressure limiting valve assembly of claim 4 wherein the seal (1442) further includes a first flange (14423) disposed on the annular body (14421), the first flange (14423) being disposed on an outer periphery of the annular body (14421), the mounting portion (1441) including a downwardly opening catch groove (14411), the first flange (14423) extending into the catch groove (14411).

6. The pressure limiting valve assembly according to any one of claims 1 to 5, characterized in that an annular groove (1431) is provided on a side wall of the first housing (143), the annular groove (1431) extending in the circumferential direction of the first housing (143) and opening upwards.

7. Pressure limiting valve assembly according to one of the claims 1 to 5, characterized in that a lug (1423) is provided on the magnetically attractive valve (142), which lug (1423) is connected with the first housing (143).

8. The pressure limiting valve assembly according to any one of claims 1 to 5, further comprising a second housing (145), the second housing (145) being covered outside the magnetically attracting valve (142) and being located below the first housing (143), a bottom surface of the second housing (145) being provided with a contact boss (1451).

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

the face cover (110), the said face cover (110) has valve holes (116);

a metal cover (120), the metal cover (120) being located below the face cover (110);

a pressure limiting valve assembly (140) disposed on the metal cover (120) and disposed through the valve bore (116), the pressure limiting valve assembly (140) being as defined in any one of claims 1 to 8.

10. The cooking appliance according to claim 9, wherein an annular groove (1431) is provided on a side wall of the first housing (143) of the pressure limiting valve assembly (140), the annular groove (1431) extends along a circumferential direction of the first housing (143) and opens upward, and an annular boss (117) is provided on a side of the face cover (110) facing the metal cover (120), the annular boss (117) being inserted in the annular groove (1431).

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