Pressure cooker

Abstract

The pressure cooker comprises a cooker body, a cooker cover and a handle, a sealing ring is arranged in the cooker cover, a through hole is formed in the cooker cover, a positioning groove is formed in the lower side face, on the periphery of the through hole, of the cooker cover, a transparent glass cover is installed in the positioning groove, and the transparent glass cover is located below the through hole and seals the through hole; the handle comprises an upper handle body and a lower handle body, the upper handle body is installed on the pot cover, the lower handle body is installed on the pot body, and when the pot cover is screwed on the pot body, the upper handle body is located below the lower handle body; the pot cover is provided with a gravity valve used for assisting in exhausting and limiting pressure. The pressure cooker is provided with the visual transparent glass cover, so that the cooking condition in the cooker can be clearly seen, and exhaust and pressure relief or air closing and pressure increasing can be performed; the convex surface of the transparent glass cover faces the pot, so that the capability of resisting air pressure generated in the pot can be enhanced; the silica gel ring fills the gap between the glass cover and the pot cover to isolate air circulation inside and outside the pot.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen cooking utensil technical field especially relates to a pressure cooker. BACKGROUND

[0002] Traditional pressure cooker adopts all-metal pot cover, after closing the pot cover, cannot see the cooking condition in the pot, cannot feel the raw and cooked degree of food from vision, reduces the visual feeling of cooking food, and the cooking of different food materials mainly relies on personal experience to confirm the length of cooking time. SUMMARY

[0003] The utility model discloses a pressure cooker which overcomes the defects of the prior art.

[0004] The utility model discloses a pressure cooker, including the body of a pot, the pot cover and handle, the pot cover is equipped with the sealing ring, the pot cover is set up and has the through -hole, the through -hole periphery pot cover downside is equipped with the positioning groove, install transparent glass cover in the positioning groove, transparent glass cover is located below the through -hole and seals the through -hole, the handle includes upper handle and lower handle, the upper handle is installed on the pot cover, the lower handle is installed on the body of a pot, when the pot cover is screwed on the body of a pot, the upper handle is located below the lower handle, the pot cover is installed for the gravity valve of auxiliary exhaust and pressure limiting.

[0005] The pot cover of the pressure cooker can clean and see the cooking condition in the pot through the transparent glass cover, and the gravity valve can timely exhaust and release pressure or close air and increase pressure.

[0006] The positioning groove and the pot cover are integrally formed, the cross section of the positioning groove is a U-shaped groove structure, the upper side wall thereof is horizontally extended and then bent upward to be connected with the circumferential wall of the through hole, the lower side of the positioning groove is bent upward to form a curled edge, and the utility model further includes a silica gel ring, the silica gel ring is sleeved around the periphery of the transparent glass cover, the silica gel ring is sleeved in the positioning groove, the upper side wall of the silica gel ring abuts against the upper side wall of the positioning groove, and the curled edge clamps the lower side wall of the silica gel ring. The silica gel ring can fill the gap between the transparent glass cover and the pot cover and isolate the air circulation between the inside and outside of the pot, and the curled edge and the upper side wall of the positioning groove can clamp the silica gel ring to prevent the transparent glass cover from falling off. The positioning groove and the pot cover are integrally formed, which avoids the problem of sealing caused by screwing in another hole position and the problem of the pot cover being not tightly sealed due to screw loosening.

[0007] The diameter of the transparent glass cover is greater than the diameter of the through hole. Even if the transparent glass cover is pushed upward by the pressure in the pot, the installation firmness of the transparent glass cover will not be affected.

[0008] The transparent glass cover is concave from top to bottom, the upper side forms a concave surface, and the lower side forms a convex surface, which faces the inside of the pot body. The lower side of the transparent glass cover is convex, which can enhance the ability to resist the air pressure generated in the pot.

[0009] The through hole is located at the center of the cover surface of the pot cover.

[0010] The pot cover is provided with a recess, and a first exhaust hole is formed in the recess; the gravity valve comprises a filter cover, a fixing nut, a sealing gasket, a support frame, a valve core and a valve cap; the valve core is internally provided with a hollow channel that penetrates the valve core from top to bottom, and a first protruding ring is arranged on the outer periphery of the middle part of the valve core; the lower end of the valve core is sequentially screwed on the fixing nut after passing through the first exhaust hole, the support frame and the sealing gasket, the support frame is clamped between the lower side of the pot cover and the sealing gasket, and the sealing gasket is clamped between the support frame and the fixing nut; the filter cover is detachably clamped on the support frame, and the support frame, the sealing gasket and the fixing nut are located in the filter cover; the filter cover is provided with a second exhaust hole, the second exhaust hole communicates the inside of the filter cover with the inside of the pot body, and the hollow channel of the valve core communicates with the inside of the filter cover; the first protruding ring is supported on the upper side of the pot cover in the recess, and the valve cap is detachably sleeved on the upper segment of the valve core and seals the upper end opening of the hollow channel. The second exhaust hole of the filter cover and the hollow channel of the valve core form an exhaust passage of the pot cover, when exhaust pressure relief is needed, the valve cap is only lifted to separate from the valve core, and the exhaust function is realized; when air closing is needed, the valve cap is only sleeved on the valve core, and the air closing function is realized. In the embodiment, the lower part of the valve cap is made of metal material, the upper part of the valve cap is made of plastic material, the upper and lower parts of the valve cap are combined, the valve cap has a certain gravity, and the valve core can be clamped and sealed when the valve cap is sleeved on the valve core. The cooperation of the first protruding ring and the fixing nut enables the valve core to be fixed on the pot cover, the support frame provides support and fixation for the filter cover, and the sealing gasket can seal the first exhaust hole. The setting of the filter cover can prevent granular objects in the pot from splashing into the first exhaust hole.

[0011] The support frame is provided with a plurality of support legs, the distal ends of the support legs are upwardly folded to form clamping members, and the inner side of the upper part of the filter cover is provided with a second protruding ring; when the filter cover is clamped on the support frame, the clamping members are clamped on the lower side of the second protruding ring. The cooperation of the second protruding ring and the clamping members can clamp the filter cover on the support frame.

[0012] The support legs are three, and the adjacent support legs form an included angle of 120 degrees with the center of the support frame as a reference.

[0013] The second exhaust hole comprises a circular hole located at the bottom of the filter cover and a long slot hole formed in the side wall of the filter cover.

[0014] The bonnet has a downwardly open chamber, the chamber of the bonnet is detachably sleeved on the outer periphery of the valve core upper section, and the top of the bonnet chamber is provided with a conical sealing piece which is detachably inserted into and sealed with the hollow channel of the valve core. The conical sealing piece is arranged to achieve the sealing of the hollow channel of the valve core.

[0015] Compared with the prior art, the pressure cooker has the following advantages: the transparent glass cover can clearly show the cooking condition in the pot, the food cooking degree can be visually perceived, the visual perception of cooking food is increased, and the fire can be adjusted according to the cooking condition; the convex surface of the transparent glass cover faces the pot, so that the resistance to the air pressure generated in the pot is increased; the silicone ring fills the gap between the glass cover and the pot cover, so that the air circulation between the inside and outside of the pot is isolated; the gravity valve is arranged to perform exhaust pressure relief or closed air pressure increase. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0017] Figure 2 The structure of the embodiment of the utility model is exploded and shown in the schematic view; Figure 1 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0018] Figure 3 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0019] Figure 4 The structure of the embodiment of the utility model is exploded and shown in the schematic view; Figure 3 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0020] Figure 5 The structure of the embodiment of the utility model is exploded and shown in the schematic view; Figure 4 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0021] Figure 6 The structure of the embodiment of the utility model is exploded and shown in the schematic view; Figure 4 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0022] Figure 7 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0023] Figure 8 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0024] Figure 9 The structure of the embodiment of the utility model is exploded and shown in the schematic view; Figure 8 The structure of the embodiment of the utility model is exploded and shown in the schematic view;

[0025] Figure 10 The structure of the embodiment of the utility model is exploded and shown in the schematic view.

[0026] The figure mark meaning: 1, the pot body; 2, the pot cover; 21, the positioning groove; 22, the curling edge; 23, the concave position; 24, the first exhaust hole; 3, the transparent glass cover; 31, the concave surface; 32, the convex surface; 4, the silica gel ring; 51, the filter cover; 511, the second exhaust hole; 512, the second convex ring; 52, the fixed nut; 53, the sealing gasket; 54, the support frame; 541, the clamping piece; 55, the valve core; 551, the first convex ring; 56, the valve cap; 561, the conical sealing element. DETAILED DESCRIPTION

[0027] The content of the utility model will be further explained in detail below in combination with the drawings and specific embodiments.

[0028] EMBODIMENT

[0029] REFERENCE Figures 1 to 10 It is a kind of pressure cooker, including pot body 1, pot cover 2 and handle, pot cover 2 is equipped with sealing ring, pot cover 2 is provided with through hole, the lower side of the pot cover 2 around the through hole is equipped with positioning groove 21, transparent glass cover 3 is installed in positioning groove 21, and transparent glass cover 3 is located below the through hole and seals the through hole;Handle includes upper handle and lower handle, upper handle is installed on pot cover 2, lower handle is installed on pot body 1, when pot cover 2 is screwed on pot body 1, upper handle is located below lower handle;Pot cover 2 is installed with gravity valve for auxiliary exhaust and pressure limiting.

[0030] The pot cover 2 of the present pressure cooker, the transparent glass cover 3 can be cleaned and the cooking situation in the pot can be seen, the gravity valve is set, and exhaust pressure relief or closed air pressure increase can be realized in time.

[0031] Positioning groove 21 and pot cover 2 are integrally formed structure, the cross section of positioning groove 21 is U-shaped groove structure, the upper side wall is horizontally extended and then bent upwards to be connected with the circumferential wall of the through hole;The lower side of positioning groove 21 is bent upwards to form curling edge 22;It also includes silica gel ring 4, silica gel ring 4 is sleeved on the periphery of transparent glass cover 3, silica gel ring 4 is sleeved in positioning groove 21, the upper side wall of silica gel ring 4 is against the upper side wall of positioning groove 21, and curling edge 22 buckles the lower side wall of silica gel ring 4.The setting of silica gel ring 4 can fill the gap between transparent glass cover 3 and pot cover 2, and isolate the circulation of air in the pot and outside the pot;Curling edge 22 and the upper side wall of positioning groove 21 can clamp silica gel ring 4, to prevent transparent glass cover 3 from falling off.Positioning groove 21 and pot cover 2 are integrally formed structure, which avoids the problem of sealing caused by screwing in another hole, and also avoids the problem of sealing of pot cover 2 caused by screw loosening.

[0032] The diameter of transparent glass cover 3 is greater than the diameter of the through hole.The diameter of transparent glass cover 3 is greater than the diameter of the through hole, even if the transparent glass cover 3 is pushed up by the pressure in the pot, it will not affect the installation firmness of transparent glass cover 3.

[0033] The transparent glass cover 3 is concave from top to bottom, the upper side forms a concave surface 31, and the lower side forms a convex surface 32, which is directed towards the inside of the pot body 1. The lower side of the transparent glass cover 3 is provided with the convex surface 32, which can enhance the ability to resist the air pressure generated in the pot.

[0034] The through hole is located at the center of the cover surface of the pot cover 2.

[0035] The pot cover 2 is provided with a recessed position 23, and a first exhaust hole 24 is formed in the recessed position 23. The gravity valve comprises a filter cover 51, a fixing nut 52, a sealing gasket 53, a support frame 54, a valve core 55, and a valve cap 56. The valve core 55 is internally provided with a hollow passage that penetrates the valve core 55 from top to bottom. The outer periphery of the middle part of the valve core 55 is provided with a first protruding ring 551. The lower end of the valve core 55 is sequentially threaded through the first exhaust hole 24, the support frame 54, the sealing gasket 53, and then screwed onto the fixing nut 52. The support frame 54 is clamped between the lower side of the pot cover 2 and the sealing gasket 53, and the sealing gasket 53 is clamped between the support frame 54 and the fixing nut 52. The filter cover 51 is detachably clamped on the support frame 54, and the support frame 54, the sealing gasket 53, and the fixing nut 52 are located inside the filter cover 51. The filter cover 51 is provided with a second exhaust hole 511, which communicates the inside of the filter cover 51 with the inside of the pot body 1. The hollow passage of the valve core 55 communicates with the inside of the filter cover 51. The first protruding ring 551 is supported on the upper side of the pot cover 2 in the recessed position 23. The valve cap 56 is detachably sleeved on the upper segment of the valve core 55 and seals the upper end opening of the hollow passage. The second exhaust hole 511 of the filter cover 51 and the hollow passage of the valve core 55 form an exhaust passage of the pot cover 2. When exhaust and pressure relief are needed, the valve cap 56 is only lifted and separated from the valve core 55 to achieve the exhaust function. When air sealing and increasing are needed, the valve cap 56 is only sleeved on the valve core 55. In this embodiment, the lower part of the valve cap 56 is made of metal material, and the upper part of the valve cap 56 is made of plastic material. The upper and lower parts of the valve cap 56 are combined, and the valve cap 56 has a certain gravity, which can tighten and seal the valve core 55 when it is sleeved on the valve core 55. The cooperation of the first protruding ring 551 and the fixing nut 52 fixes the valve core 55 on the pot cover 2. The support frame 54 provides support and fixation for the filter cover 51. The sealing gasket 53 can seal the first exhaust hole 24. The setting of the filter cover 51 can prevent granular objects in the pot from splashing into the first exhaust hole 24.

[0036] The support frame 54 is provided with a plurality of support feet, the distal ends of which are upwardly folded to form clamping members 541. The inner side of the upper part of the filter cover 51 is provided with a second protruding ring 512. When the filter cover 51 is clamped on the support frame 54, the clamping members 541 are clamped on the lower side of the second protruding ring 512. The cooperation of the second protruding ring 512 and the clamping members 541 can tightly clamp the filter cover 51 on the support frame 54.

[0037] The support feet are three in number, and the adjacent support feet are at an angle of 120 degrees with the center of the support frame 54 as the reference.

[0038] The second exhaust hole 511 comprises a circular hole at the bottom of the filter cover 51 and a long strip hole opened in the sidewall of the filter cover 51.

[0039] The valve cap 56 has a downwardly open cavity which is detachably sleeved on the outer periphery of the upper section of the valve core 55, and the top of the cavity of the valve cap 56 is provided with a conical sealing member 561 which is detachably inserted into and sealed with the hollow passage of the valve core 55. The conical sealing member 561 is arranged to achieve the closure of the hollow passage of the valve core 55.

[0040] In the installation and assembly of the embodiment, the transparent glass cover 3 is sleeved in the silica gel ring 4, the silica gel ring 4 and the transparent glass cover 3 are integrally embedded in the positioning groove 21 arranged in the center of the pot cover 2, and then the lower side of the positioning groove 21 is crimped 22.

[0041] The above detailed description is a specific description of the feasible embodiment of the utility model, and the embodiment is not used to limit the patent range of the utility model, and any equivalent implementation or change without departing from the utility model should be included in the patent range of the utility model.

Claims

1. A pressure cooker comprising a pot body, a pot cover and a handle, a sealing ring is arranged in the pot cover, characterized in that: The pot cover is provided with a through hole, and a positioning groove is arranged on the lower side of the pot cover around the through hole. A transparent glass cover is installed in the positioning groove, and the transparent glass cover is located below the through hole and seals the through hole. The handle includes an upper handle and a lower handle. The upper handle is installed on the pot cover, and the lower handle is installed on the pot body. When the pot cover is screwed on the pot body, the upper handle is located below the lower handle. The pot cover is provided with a gravity valve for assisting exhaust and pressure limiting.

2. The pressure cooker according to claim 1, characterized in that: The positioning groove is integrally formed with the pot cover. The cross section of the positioning groove is a U-shaped groove structure. The upper side wall is horizontally extended and then bent upward to connect with the circumferential wall of the through hole. The lower side of the positioning groove is bent upward to form a curled edge. A silica gel ring is further provided. The silica gel ring is sleeved on the periphery of the transparent glass cover and is sleeved in the positioning groove. The upper side wall of the silica gel ring abuts against the upper side wall of the positioning groove, and the curled edge clamps the lower side wall of the silica gel ring.

3. The pressure cooker according to claim 1, characterized in that: The diameter of the transparent glass cover is greater than the diameter of the through hole.

4. The pressure cooker of claim 1, wherein: The transparent glass cover is concave from top to bottom. The upper side forms a concave surface, and the lower side forms a convex surface. The convex surface faces the interior of the pot body.

5. The pressure cooker of claim 1, wherein: The through hole is located at the center of the cover surface of the pot cover.

6. The pressure cooker of claim 1, wherein: The pot cover is provided with a recess. A first exhaust hole is arranged in the recess. The gravity valve includes a filter cover, a fixing nut, a sealing gasket, a support frame, a valve core and a valve cap. The valve core is internally provided with a hollow channel penetrating from top to bottom. A first protruding ring is arranged on the outer periphery of the middle part of the valve core. The lower end of the valve core penetrates the first exhaust hole, the support frame and the sealing gasket in sequence and is screwed on the fixing nut. The support frame is clamped between the lower side of the pot cover and the sealing gasket. The sealing gasket is clamped between the support frame and the fixing nut. The filter cover is detachably clamped on the support frame. The support frame, the sealing gasket and the fixing nut are located in the filter cover. The filter cover is provided with a second exhaust hole. The second exhaust hole communicates the interior of the filter cover with the interior of the pot body. The hollow channel of the valve core communicates with the interior of the filter cover. The first protruding ring is supported on the upper side of the pot cover in the recess. The valve cap is detachably sleeved on the upper section of the valve core and seals the upper end opening of the hollow channel.

7. The pressure cooker according to claim 6, characterized in that: The support frame is provided with a plurality of support feet. The end of the support feet is upwardly folded to form a clamping member. A second protruding ring is arranged on the upper part of the inner side of the filter cover. When the filter cover is clamped on the support frame, the clamping member is clamped on the lower side of the second protruding ring.

8. The pressure cooker according to claim 7, characterized in that: The support feet are three. With the center of the support frame as a reference, the adjacent support feet form an included angle of 120 degrees.

9. The pressure cooker of claim 6, wherein: The second exhaust hole includes a circular hole arranged at the bottom of the filter cover and a long slot arranged on the side wall of the filter cover.

10. The pressure cooker of claim 6, wherein: The valve cap has a downwardly open cavity. The cavity of the valve cap is detachably sleeved on the outer periphery of the upper section of the valve core. A conical sealing member is arranged on the top of the cavity of the valve cap. The conical sealing member is detachably inserted into the hollow channel of the valve core and seals the hollow channel.

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