CN209863348U - Safe pressure cooking utensil - Google Patents

Abstract

The utility model provides a safe pressure cooking appliance, which comprises a cooker body, a cooker cover arranged on the cooker body and an inner container arranged in the cooker body, wherein the cooker cover comprises an inner cover assembly, the inner cover assembly comprises an inner cover, a fixing frame and a sealing ring, the inner cover is fixedly connected with the fixing frame, and the sealing ring is arranged between the inner cover and the fixing frame in a sealing manner; the sealing washer includes folding portion, connects in the vertical portion of folding portion, the opening of folding portion sets up inwards, when a kind of deep pot lid was located a kind of deep pot body, the lower surface of folding portion and the mouth of inner bag formed sealed chamber along the laminating in the inner bag, and folding portion is in compression state this moment, rises when sealed intracavity pressure, the upper surface of folding portion shifts up under the inner cup drives and makes folding portion be in the state of opening, this moment the vertical portion is heated the back and still forms sealed chamber with the laminating of the upper portion inner wall of inner bag in the inner bag. The utility model discloses the leakproofness is good, pressure release security and stability are high.

Description

Safe pressure cooking utensil

Technical Field

The utility model belongs to the kitchen appliances field, concretely relates to safe pressure cooking utensil.

Background

The kitchen cooking utensil is developing towards the direction of rapidness and convenience for adapting to the fast-paced modern life of people, wherein a pressure cooker is widely favored by people because of being capable of cooking quickly and the loss of nutrition of food cooked by the pressure cooker is less, and the pressure cooker becomes one of the electrical appliances which are rapidly increased in the household appliance industry in a time-saving, power-saving, convenient and rapid manner.

Present pressure cooking utensil places the inner bag in a kind of deep pot body subassembly in, including a kind of deep pot lid subassembly, a kind of deep pot body subassembly in, a kind of deep pot lid subassembly includes upper cover subassembly, inside lining subassembly and inner cup subassembly, and inner cup subassembly lid closes and forms sealed culinary art chamber on the inner bag, the inner cup subassembly includes inner cup, retainer plate and sealing washer, inner cup subassembly lid passes through the sealed inner bag of sealing washer when closing the inner bag. The current sealing washer structural style is mostly the T style of calligraphy, and sealing washer and inner cup cooperation plane down are the vertical wall promptly, form the cooperation with inner bag pot mouth lateral wall. When the pressure in the cooker is increased, the force of the outward expansion of the side wall of the sealing ring and the inner container are extruded by the pressure in the cooker, thereby achieving the sealing effect. However, because the inner cover has a certain floating amount in the upper cover, the inner cover can float upwards along with the pressure in the cooker as the pressure is gradually increased, and the sealing ring can move upwards under the drive of the inner cover, which means that the matching area of the side wall of the sealing ring and the side wall of the inner container can be reduced along with the increase of the pressure in the cooker. If the inner cover floats upwards too much, the pressure relief of the machine is easily caused, and potential safety hazards exist. If the length of the side wall of the sealing ring is lengthened downwards, the suction liner is easy to cause, and the user experience is not facilitated.

Disclosure of Invention

For solving the above-mentioned problem that prior art exists, the utility model provides a safe pressure cooking utensil that the leakproofness is good, pressure release security and stability are high.

The utility model adopts the technical proposal that:

a safe pressure cooking appliance comprises a cooker body, a cooker cover arranged on the cooker body in a covering mode and an inner container arranged in the cooker body in an embedded mode, wherein the cooker cover comprises an inner cover assembly, the inner cover assembly comprises an inner cover, a fixing frame and a sealing ring, the inner cover is fixedly connected with the fixing frame, and the sealing ring is arranged between the inner cover and the fixing frame in a sealing mode; the sealing washer includes folding portion, connects in the vertical portion of folding portion, the opening of folding portion sets up inwards, when a kind of deep pot lid was located a kind of deep pot body, the lower surface of folding portion and the mouth of inner bag formed sealed chamber along the laminating in the inner bag, and folding portion is in compression state this moment, rises when sealed intracavity pressure, the upper surface of folding portion shifts up under the inner cup drives and makes folding portion be in the state of opening, this moment the vertical portion is heated the back and still forms sealed chamber with the laminating of the upper portion inner wall of inner bag in the inner bag. The utility model discloses a sealing washer sets up the folding portion, and when the inner cup floated, the folding portion opened the extension, and vertical part and inner bag contact position can not change, and is how big regardless of inner bag pressure from this, all be sealing connection between sealing washer and inner cup, the inner bag, guarantee the culinary art effect, improve culinary art efficiency, have guaranteed the security of culinary art.

Further, the folding part comprises an upper section and a lower section, the outer ends of the upper section and the lower section are connected to form the folding part with an inward opening, and the vertical part is connected to the inner end of the lower section. The folding part is arranged in sections, so that the elongation can be ensured, and the vertical part can not move.

Furthermore, the lower surface of the lower section is an arc structure which is attached to the edge of the inner container. Because the inner bag oral area is an arc structure, the lower surface of folding portion is the laminating with the inner bag oral area, sets the lower surface of folding portion to the arc structure and makes folding portion and inner bag oral area laminating effectual.

Further, the inner of upper segment is connected with connecting portion, connecting portion are fixed in between inner cup and the mount. The utility model discloses a sealing washer passes through connecting portion and assembles formation seal structure between inner cup and mount.

Furthermore, the connecting portion is provided with a fixing groove, the inner side of the fixing frame is provided with a flange corresponding to the fixing groove, and the flange is inserted in the fixing groove.

Furthermore, the inner of hypomere is connected with the extension, the extension sets up with the laminating of inner cup lateral wall lower part, further guarantees the inner cup lid and closes the leakproofness of inner bag back seal chamber.

Further, the cooker cover further comprises an upper cover and a lining, the inner cover assembly is detachably connected to the lining, and the inner cover is located below the lining and forms a floating gap with the lining. The utility model discloses a set up the clearance of floating, prevent that the increase of seal intracavity pressure from causing the damage to inside lining and upper cover.

Further, the cooker body comprises a heat preservation cover and a heating disc, the inner container is placed in the heat preservation cover, and the bottom of the inner container is in contact with the heating disc.

Further, the pot body further comprises a middle ring, an outer cover and a base, the middle ring is connected with the base, the outer cover is fixed between the middle ring and the base, and the heating plate is fixed on the base.

Further, one side of the cooker cover and one side of the cooker body are hinged, and the other side of the cooker cover and the other side of the cooker body are connected with the cooker body in a buckling mode capable of being opened and closed.

The utility model has the advantages that:

1. the sealing washer sets up folding portion, and when the inner cup floated, folding portion opened the extension, and vertical part and inner bag contact position can not change, and from this no matter how big the inner bag internal pressure is, all be sealing connection between sealing washer and inner cup, the inner bag, guarantee the culinary art effect, improve culinary art efficiency, guaranteed the stability of pressure release and the security of culinary art.

2. The folding subsection of sealing washer sets up, can guarantee the elongation to guarantee that the vertical part can not take place to remove regardless of the inner bag internal pressure is big, thereby guarantees pressure cooking utensil's pressure release stability and security.

3. Because the inner bag oral area is an arc structure, the lower surface of folding portion is the laminating with the inner bag oral area, sets the lower surface of folding portion to the arc structure and makes folding portion and inner bag oral area laminating effectual.

4. The inner side of the sealing ring is provided with an extension part which is attached to the lower part of the side wall of the inner cover, so that the sealing performance of the sealing cavity after the inner cover covers the inner container is further ensured.

5. A floating gap is arranged between the lining and the inner cover, so that the inner cover can be prevented from moving upwards to damage the lining and the upper cover due to the increase of pressure in the sealing cavity.

Drawings

Fig. 1 is an explosion structure diagram of the pot body of the present invention.

Fig. 2 is a schematic sectional view of the pot cover of the present invention.

Fig. 3 is a schematic structural view of the inner lid assembly of the present invention.

Fig. 4 is a schematic cross-sectional structural view of the inner lid assembly of the present invention.

Fig. 5 is a schematic structural diagram of the sealing ring of the present invention.

Fig. 6 is a schematic sectional structure view of the sealing ring of the present invention.

Fig. 7 is a schematic sectional structure view of the usage state of the present invention.

In the figure, 1, an inner container, 2, a middle ring, 3, an outer cover, 4, a base, 5, a heat preservation cover, 6, a heating plate, 7, an upper cover, 8, an inner lining, 9, an inner cover component, 91, an inner cover, 92, a fixing frame, 93, a sealing ring, 931, a folding part, 932, a vertical part, 933, a connecting part, 934, an upper section, 935, a lower section, 936, an extension part, 10, a floating gap

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two 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.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, 2 and 7, the present embodiment provides a safe pressure cooking appliance, which includes a pot body, a pot cover covering the pot body, and an inner container 1 disposed in the pot body, wherein one side of the pot cover and one side of the pot body are hinged, and the other side of the pot cover and the other side of the pot body are connected with the pot body in a manner of being able to open and close. The cooker body comprises a middle ring 2, an outer cover 3, a base 4, a heat preservation cover 5 and a heating disc 6, wherein the middle ring 2 is connected with the base 4, the outer cover 3 is fixed between the middle ring 2 and the base 4, the heating disc 6 is fixed on the base 4, the inner container 1 is placed in the heat preservation cover 5, and the bottom of the inner container 1 is in contact with the heating disc 6 to be heated by the heating disc 6. The cooker cover further comprises an upper cover 7, a lining 8 and an inner cover assembly 9, wherein the inner cover assembly 9 is detachably connected to the lining 8, and the inner cover assembly 9 is located below the lining 8 and forms a floating gap 10 with the lining 8. When the cooker cover covers the cooker body, the inner cover assembly 9 covers the inner container 1 to form a sealed cavity. When the pressure of the sealing cavity is increased, the inner cover assembly 9 has a certain floating amount which is within the allowable range of the floating gap 10, so that the liner and the upper cover can be prevented from being damaged due to the pressure increase in the sealing cavity.

Referring to fig. 3 and 4, the inner cap assembly 9 of the present embodiment includes an inner cap 91, a fixing frame 92, and a sealing ring 93, where the inner cap 91 is fixedly connected to the fixing frame 92, and the sealing ring 93 is sealingly disposed between the inner cap 91 and the fixing frame 92. During assembly, the sealing ring 93 is firstly mounted on the fixing frame 92, and the sealing ring 93 is tightly pressed through the fixing of the fixing frame 92 and the inner cover 91. When the cooking appliance works, the cooker cover is buckled with the cooker body through the calipers, the sealing ring 93 is attached to the opening edge of the inner container 1, along with the rise of the temperature in the cooker, the sealing ring 93 is heated to gradually expand to form a sealing cavity with the inner cover 91 and the inner container 1, the internal pressure of the cooking appliance gradually rises, and the function of high-pressure cooking is realized.

Referring to fig. 5 and 6, the sealing ring 93 of the present embodiment includes a folding portion 931, a vertical portion 932 connected to the folding portion 931, and a connecting portion 933, wherein an opening of the folding portion 931 is disposed inward, when the cooker cover is disposed on the cooker body, a lower surface of the folding portion 931 is attached to an opening edge of the inner container 1 to form a sealed cavity in the inner container 1, the folding portion 931 is in a compressed state, when a pressure in the sealed cavity rises, an upper surface of the folding portion 931 moves upward under the driving of the inner cover 91 to make the folding portion 931 in an open state, and the vertical portion 932 is heated and then attached to an upper inner wall of the inner container 1 to form the sealed cavity in the inner container 1. The utility model discloses a sealing washer 93 sets up folding part 931, and when inner cup 91 floated, folding part 931 opened the extension, and vertical part 932 can not change with inner bag 1 contact position, and from this regardless of inner bag 1 internal pressure how big, all be sealing connection between sealing washer 93 and inner cup 91, the inner bag 1, guarantee the culinary art effect, improve culinary art efficiency, guaranteed the security of culinary art.

Specifically, the folding portion 931 of the present embodiment includes an upper section 934 and a lower section 935, and the outer ends of the upper section 934 and the lower section 935 are connected to form an inward-opening folding portion. The vertical part 932 is connected to the inner end of the lower section 935 and can be attached to and sealed with the wall surface of the inner container 1, and the folding part 931 is arranged in sections to ensure the elongation, so that the vertical part 932 is not moved. Connecting portion 933 is connected in the inner of upper segment 934, connecting portion 933 is fixed in between inner cup 91 and the mount 92, connecting portion 933 is equipped with the fixed slot, the inboard of mount 92 is equipped with the flange that corresponds with the fixed slot, the flange plug bush in the fixed slot, sealing washer 93 assembles through connecting portion 933 and forms seal structure between inner cup 91 and mount 92, guarantees the reliability that inner cup subassembly 9 is sealed. The inner end of the lower section 935 is connected with an extension portion 936, and the extension portion 936 is attached to the lower portion of the side wall of the inner cover 91, so as to further ensure the sealing performance of the sealing cavity after the inner cover 91 covers the inner container 1. The lower surface of the lower section 935 is an arc-shaped structure jointed with the opening of the liner 1. Because the mouth of the inner container 1 is of an arc-shaped structure, the lower surface of the folding part 931 is attached to the mouth of the inner container 1, and the lower surface of the folding part 931 is set into the arc-shaped structure, so that the folding part 931 is attached to the mouth of the inner container 1 effectively, and the sealing performance is ensured.

The utility model discloses set up folding part 931 on sealing washer 93, when cooking utensil internal pressure is less, folding part 931 is in the compression state, and sealing washer 93 forms sealedly with the laminating of the edge of opening on the inner bag 1, as shown in fig. 7. When the pressure in the cooking utensil rises gradually, the vertical part 932 of the sealing ring 93 is under the dual action of thermal expansion and the pressure in the cooking utensil, the vertical part 932 of the sealing ring 93 is attached to the side wall of the inner container 1 to form a completely sealed state, at the moment, due to the increase of the pressure in the cooking utensil, the inner cover 91 floats upwards, the folding part 931 of the sealing ring 93 extends gradually along with the rise of the inner cover 91, the vertical part 932 of the sealing ring 93 and the side wall of the inner container 1 cannot move under the action of friction force, the matching area of the vertical part 932 and the side wall of the inner container cannot change, and therefore the pressure relief stability and the safety of the cooking utensil in the pressure change are guaranteed.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.

Claims (10)

1. A safe pressure cooking appliance comprises a cooker body, a cooker cover arranged on the cooker body in a covering mode and an inner container arranged in the cooker body in an embedded mode, wherein the cooker cover comprises an inner cover assembly, the inner cover assembly comprises an inner cover, a fixing frame and a sealing ring, the inner cover is fixedly connected with the fixing frame, and the sealing ring is arranged between the inner cover and the fixing frame in a sealing mode; the method is characterized in that: the sealing washer includes folding portion, connects in the vertical portion of folding portion, the opening of folding portion sets up inwards, when a kind of deep pot lid was located a kind of deep pot body, the lower surface of folding portion and the mouth of inner bag formed sealed chamber along the laminating in the inner bag, and folding portion is in compression state this moment, rises when sealed intracavity pressure, the upper surface of folding portion shifts up under the inner cup drives and makes folding portion be in the state of opening, this moment the vertical portion is heated the back and still forms sealed chamber with the laminating of the upper portion inner wall of inner bag in the inner bag.

2. A safe pressure cooking appliance as claimed in claim 1, wherein: the folding part comprises an upper section and a lower section, the outer ends of the upper section and the lower section are connected to form a folding part with an inward opening, and the vertical part is connected to the inner end of the lower section.

3. A safe pressure cooking appliance as claimed in claim 2, wherein: the lower surface of the lower section is an arc structure which is attached to the edge of the inner container.

4. A safe pressure cooking appliance as claimed in claim 2, wherein: the inner of upper segment is connected with connecting portion, connecting portion are fixed in between inner cup and the mount.

5. A safe pressure cooking appliance as claimed in claim 4, wherein: the connecting portion is provided with a fixing groove, the inner side of the fixing frame is provided with a flange corresponding to the fixing groove, and the flange is inserted in the fixing groove.

6. A safe pressure cooking appliance as claimed in claim 2, wherein: the inner of the lower section is connected with an extension part which is attached to the lower part of the side wall of the inner cover.

7. A safe pressure cooking appliance as claimed in any one of claims 1 to 6, wherein: the cooker cover further comprises an upper cover and a lining, the inner cover assembly is detachably connected to the lining, and the inner cover is located below the lining and forms a floating gap with the lining.

8. A safe pressure cooking appliance as claimed in any one of claims 1 to 6, wherein: the cooker body comprises a heat preservation cover and a heating disc, the inner container is placed in the heat preservation cover, and the bottom of the inner container is in contact with the heating disc.

9. A safe pressure cooking appliance as claimed in claim 8, wherein: the cooker body further comprises a middle ring, an outer cover and a base, the middle ring is connected with the base, the outer cover is fixed between the middle ring and the base, and the heating disc is fixed on the base.

10. A safe pressure cooking appliance as claimed in any one of claims 1 to 6, wherein: the cooker cover is hinged with one side of the cooker body, and the other side of the cooker cover and the other side of the cooker body are buckled with the cooker body in a manner of opening and closing.