Quick-cooling pressure cooking utensil
By incorporating a heat exchange structure that isolates the cooling chamber from the pressure chamber within the lid of the electric pressure cooker, the problem of long cooling time in electric pressure cookers is solved, enabling rapid cooling and convenient disassembly and cleaning, thus reducing costs.
Patent Information
- Application Number
- CN202422769425.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-13
AI Technical Summary
Existing electric pressure cookers require a long time to cool down naturally after cooking, which results in excessively long opening times. Furthermore, the water-cooling structure increases costs and makes disassembly and cleaning difficult.
A cooling chamber is set inside the lid, which is isolated from the pressure chamber. Heat exchange is achieved by locking the lid. The cooling medium is injected into the cooling chamber after cooking to quickly reduce the temperature of the pressure chamber. The cooling chamber is not located on the inner lid, which simplifies the inner lid structure and makes it easy to disassemble and clean.
It achieves rapid cooling, reduces opening time, simplifies the disassembly and cleaning process of the inner cover, improves cooling efficiency, and reduces costs.
Smart Images
Figure CN223504033U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to kitchen cooking electric appliance technical field, especially a kind of pressure cooking utensil of rapid cooling. BACKGROUND
[0002] Cooking is carried out using electric pressure cooker, food in pot can be quickly cooked, but due to high temperature and high pressure steam generated in the cooking process, the pot cover of electric pressure cooker cannot be opened temporarily, at this time, it needs to wait for the pressure cooker to cool down naturally, and the pot cover can be opened after the pressure in the pot is reduced, which leads to the short time of cooking food, the long time of waiting for the temperature in the pot to drop to open the pot cover, resulting in that electric pressure cooker still cannot realize the real meaning of rapid cooking.
[0003] To solve the above problems, the prior art proposes to use water cooling method to cool the electric pressure cooker, specifically, a water cooling cavity is provided on the inner cover of the pot cover, and after cooking is completed, the cooling water stored in the water cooling cavity exchanges heat with the high temperature and high pressure gas, so that the temperature in the pot can be quickly reduced to realize rapid opening of the cover. However, for the current pot cover structure, the volume of the water cooling cavity on the inner cover is too small and it is difficult to add water, and the electric pressure cooker also needs to be equipped with a special electric control water adding structure, such as water pump, to control it to inject water into the water cooling cavity after cooking is completed, which will increase the cost, and for the model with detachable and washable inner cover, the weight of the inner cover is increased due to the setting of the water cooling cavity, which is not convenient for disassembly and washing. SUMMARY
[0004] The utility model discloses in order to overcome the insufficient in the prior art, provide a kind of pressure cooking utensil of rapid cooling, improve the cooling efficiency of pressure cooking utensil after cooking.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A kind of pressure cooking utensil of rapid cooling, including cover and the utensil body of built-in pot, cover includes locking cover and detachable inner cover, locking cover is used to lock utensil body, inner cover is used to provide sealing between locking cover and the pot mouth of pot, so that the two form pressure chamber, cooling cavity is provided in cover, cooling cavity is separated from locking cover with pressure chamber, the cooling medium can be added in the cooling cavity, cooling medium and pressure chamber are exchanged heat by locking cover in the cooling cavity.
[0007] The utility model discloses a cooling cavity is arranged in the cover body, and the cooling cavity is apart from the locking cover with pressure chamber, after the end of cooking, injects cooling medium to the cooling cavity, and cooling medium exchanges heat with pressure chamber through the locking cover, reduces the temperature in pressure chamber, especially for pressure cooking utensil, can accelerate the reduction of the pressure in heating chamber, realizes the quick uncovering of pressure cooking utensil, because the inner cover is used for providing the seal between the locking cover and the pot belly mouth, and the both cooperation forms the pressure chamber, when the cooling cavity is apart from the locking cover with pressure chamber, the cooling cavity is also apart from the locking cover with the inner cover, and the cooling cavity does not have to be arranged on the inner cover, and the inner cover does not need to increase unnecessary water cooling structure for considering quick cooling, and the inner cover is convenient to disassemble and wash, and correspondingly, the cooling cavity is not limited by the inner cover structure and the gap size between the inner cover and the locking cover, and the cooling cavity volume can be made big to accommodate more cooling medium, thereby improving the quick cooling efficiency.
[0008] Further, the cover body further comprises a cooling cavity cover, the top of the cooling cavity is open, and the cooling cavity cover covers the open part of the cooling cavity.
[0009] By adding the cooling cavity cover, the user can conveniently open and close the top of the cooling cavity and add or remove the cooling medium in the cooling cavity.
[0010] Further, the cover body comprises a side cover and a top cover, the side cover surrounds the outside of the locking cover, the top of the side cover is open to form an opening matched with the open part of the cooling cavity, and the top cover is detachably arranged on the opening of the side cover as the cooling cavity cover.
[0011] By the above technical scheme, the opening formed by the open top of the side cover is matched with the open part of the cooling cavity, so that the cooling cavity can be arranged inside the cover body to form a larger cavity and accommodate more cooling medium, the cooling medium can absorb more heat in the same time, thereby improving the cooling efficiency, and the cooling cavity has the same opening size as the cover body, which facilitates the user to conveniently add or remove the cooling medium in the cooling cavity when opening and closing the top of the cooling cavity.
[0012] Further, the cooling cavity cover is provided with a ventilation valve for air circulation in and out of the cooling cavity.
[0013] By the above technical scheme, when the pressure chamber is in a high-temperature state, heat is transferred to the cooling cavity through the locking cover, in order to prevent overheating caused by heat accumulation in the cooling cavity, the ventilation valve is arranged on the cooling cavity cover to discharge hot air, and damage to the cover body caused by high temperature is also avoided.
[0014] Further, the cover body comprises an axially-through first sleeve connected to the locking cover to form the cooling cavity.
[0015] Further, the first sleeve and the locking cover are configured as an integrated structure; or the lower end of the first sleeve is sealingly connected with the locking cover.
[0016] With the foregoing technical solution, the first sleeve and the locking cover are configured as an integrated structure, so that there is no additional gap between the two, which is more secure and avoids the risk of loosening or leaking. Meanwhile, the integrated structure reduces the number of connecting components and simplifies the assembly process, thereby improving production and assembly efficiency. The lower end of the first sleeve is sealingly connected with the locking cover, which not only ensures that the connection between the two does not leak, but also facilitates disassembly, cleaning and replacement of the parts.
[0017] Further, the cover body includes a second sleeve with one end open and one end closed, and the closed end of the second sleeve contacts or connects with the locking cover.
[0018] Further, the locking cover is provided with teeth around the periphery, and the locking cover is rotationally locked with the body of the appliance. The locking cover is provided with a safety valve and / or a float valve outside the cooling cavity. The cover body includes an axially through first sleeve connected to the locking cover to form the cooling cavity. The first sleeve is provided with a recessed avoidance space inside the cooling cavity. The avoidance space is in communication with the atmosphere, and the safety valve and / or the float valve are located in the avoidance space and can discharge the hot gas in the kettle.
[0019] With the foregoing technical solution, the locking cover is connected with the body of the appliance by rotationally locking, which provides good sealing performance to prevent the pressure in the kettle from leaking. Meanwhile, the safety valve and / or the float valve are arranged outside the cooling cavity and separated from the cooling cavity, which can timely release the pressure when the pressure in the kettle is too high. The first sleeve is provided with a recessed avoidance space inside the cooling cavity, which provides a mounting position for the safety valve and / or the float valve. Meanwhile, the avoidance space is in communication with the atmosphere, so that the hot gas can be discharged to the external environment.
[0020] Further, the upper surface of the locking cover forms the lower surface of the cooling cavity, and the lower surface of the locking cover forms the upper surface of the pressure cavity.
[0021] Further, the inner cover includes an inner cover body and a sealing ring arranged around the periphery of the inner cover body. The inner cover body is provided with a vent hole.
[0022] With the foregoing technical solution, the inner cover body is provided with a sealing ring to prevent gas leakage when there is pressure in the kettle. Meanwhile, the inner cover is provided with a vent hole, so that the hot gas can be discharged from the vent hole to the safety valve and / or the float valve. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a cross-sectional structure schematic view of a pressure cooking appliance in the embodiments of the present application;
[0024] Figure 2is an assembly schematic view of the cover body and the utensil body in the embodiment of the utility model;
[0025] Figure 3 is an assembly schematic view of the cover body in the embodiment of the utility model. DETAILED DESCRIPTION
[0026] The utility model is further described below in combination with the drawings and specific embodiments.
[0027] As Figure 1 and Figure 2 Indicated, a kind of quick cooling pressure cooking utensil, including cover body 1 and the utensil body 2 of built-in pot 21, cover body 1 includes locking cover 11 and detachable inner cover 12, locking cover 11 is used to lock utensil body 2, inner cover 12 is used to provide sealing between locking cover 11 and the mouth of pot 21 to make the cooperation of both form pressure chamber, cooling cavity 13 is equipped in cover body 1, cooling cavity 13 is separated from pressure chamber by locking cover 11, the cooling cavity 13 can add cooling medium, cooling cavity 13 and pressure chamber are exchanged by locking cover 11.
[0028] It can be understood that, locking cover 11 is used to lock cover body 1 with utensil body 2, inner cover 12 is placed between locking cover 11 and the mouth of pot 21, provides sealing, to make locking cover 11 and the mouth of pot 21 form pressure chamber, cooling cavity 13 is equipped in cover body 1, cooling cavity 13 is separated from pressure chamber by locking cover 11 and exchanges heat, when pressure chamber stops heating and needs to reduce pressure, cooling medium is added in cooling cavity 13 to quickly absorb the heat in pressure chamber, to achieve the effect of reducing pressure, replace the traditional mode of pressure relief by venting, more convenient;When needing to detach inner cover 12 from cover body 1 to clean, since cooling cavity 13 is arranged on locking cover 11, so as not to affect the cooling medium located in locking cover 11, for example: drop or spill, improve the convenience of use.
[0029] Wherein, inner cover 12 includes inner cover body 121 and the sealing ring 122 of setting at the circumferential edge of inner cover body 121, the circumferential edge of locking cover 11 is equipped with lock tooth 112, utensil body 2 is equipped with pot tooth 22, locking cover 11 is locked by rotating with pot tooth 22 by lock tooth 112, by the setting of sealing ring 122 at the mouth position of pot 21, make locking cover 11 and the mouth of pot 21 form sealed pressure chamber, prevent the pressure gas in the mouth of pot 21 from leaking.
[0030] Cover body 1 further includes cooling cavity cover 14, the top of cooling cavity 13 is open, and cooling cavity cover 14 is covered on the opening of cooling cavity 13.
[0031] By additionally arranging cooling cavity cover 14, the user can conveniently open and close the top of cooling cavity 13, and add or remove the cooling medium in the cooling cavity 13.
[0032] Preferably, in this embodiment, the upper surface of the locking cover 11 forms the lower surface of the cooling cavity 13, and the lower surface of the locking cover 11 forms the upper surface of the pressure cavity.
[0033] Preferably, taking a household electric pressure cooker as an example, the cooling medium can be water or ice. In other embodiments, it can also be dry ice, etc.
[0034] like Figure 3 As shown, the cover 1 includes a side cover 15 and a top cover. The side cover 15 surrounds the outside of the locking cover 11. The top of the side cover 15 is open to form an opening that matches the opening of the cooling chamber 13. The top cover is detachably fitted onto the opening of the side cover 15 as a cooling chamber cover 14.
[0035] The opening formed by the top of the side cover 15 is adapted to the opening of the cooling cavity 13, so that the cooling cavity 13 can be placed inside the cover 1 to form a larger cavity, which can hold more cooling medium. In the same amount of time, the cooling medium can absorb more heat, thereby improving the cooling efficiency. At the same time, the cooling cavity 13 has an opening of the same size as the cover 1, which makes it easier for users to add or remove cooling medium into the cooling cavity 13 when opening and closing the top of the cooling cavity 13.
[0036] Preferably, the side cover 15 is provided with handles 23 at opposite positions for easy carrying of the main body 2.
[0037] In this embodiment, the top cover and the cooling chamber cover 14 are the same cover 1 and are detachably covered at the opening. In other embodiments, they can also be divided into two covers 1 for separate use. The cooling chamber cover 14 can also be hinged to the side cover 15.
[0038] like Figure 1 As shown, the cooling chamber cover 14 is provided with a vent valve 142 for airflow circulation inside and outside the cooling chamber 13.
[0039] When the pressure chamber is at a high temperature, heat will be transferred to the cooling chamber 13 through the locking cover 11. In order to prevent overheating caused by heat accumulation in the cooling chamber 13, a vent valve 142 is installed on the cooling chamber cover 14 to allow hot air to be discharged, which also avoids damage to the cover 1 caused by high temperature.
[0040] Specifically, there is no pressure inside the cooling chamber 13, and it is always connected to the atmosphere through the vent valve 142.
[0041] Preferably, the cooling chamber cover 14 is provided with a handle 141 for easy opening.
[0042] In one embodiment, such as Figure 1As shown, the cover 1 includes a first sleeve 16 that extends through the axis. The first sleeve 16 is connected to the locking cover 11 and forms a cooling cavity 13 with it. The lower end of the first sleeve 16 is sealed to the locking cover 11.
[0043] Optionally, the first sleeve 16 can be a plastic part, and it is sealed to the locking cover 11 by a sealing gasket and then fixedly connected by screws.
[0044] Optionally, the first sleeve 16 can be a metal part, which is fixedly connected to the locking ring by welding.
[0045] The lower end of the first sleeve 16 and the locking cover 11 can also be sealed together, which not only ensures that there is no leakage at the connection between the two, but also makes disassembly and cleaning convenient and facilitates the replacement of parts.
[0046] In another embodiment, the first sleeve 16 and the locking cover 11 are constructed as an integral structure.
[0047] Through the above embodiments, the first sleeve 16 and the locking cover 11 can be an integral structure, so that there are no extra gaps between them, making them more secure and avoiding the risk of loosening or leakage. At the same time, the integral structure reduces the number of connecting parts, simplifies the assembly process, and improves production and assembly efficiency.
[0048] In this embodiment, the first sleeve 16 is circumferentially closed.
[0049] In one embodiment, the cover 1 includes a second sleeve that is open at one end and closed at the other end. The second sleeve forms a cooling chamber and is connected to or in contact with the outer side of the locking cover 11. To improve heat exchange efficiency, the second sleeve is made of a metal material with good thermal conductivity.
[0050] Specifically, the second sleeve has a bowl-shaped structure and can be placed above the locking cover 11.
[0051] In another embodiment, the cover 1 includes a second sleeve that is open at one end and closed at the other end, with the closed end of the second sleeve connected to the locking cover 11.
[0052] Specifically, the second sleeve has a bowl-shaped structure and can be fixedly connected to the top of the locking cover 11 by means of screws or welding.
[0053] In this embodiment, as Figure 1 As shown, a valve assembly 113 is provided on the locking cover 11 in the area outside the cooling chamber 13. The valve assembly 113 integrates a safety valve and a float valve.
[0054] The valve assembly 113 is located in an area outside the cooling chamber 13 and is separated from the cooling chamber 13. It can also release pressure in time when the pressure inside the pot liner 21 is too high.
[0055] In another embodiment, a safety valve is provided on the locking cover 11 in an area outside the cooling chamber 13.
[0056] In another embodiment, a float valve is provided on the locking cover 11 in the area outside the cooling chamber 13.
[0057] In another embodiment, a safety valve and a float valve are provided on the locking cover 11 in the area outside the cooling chamber 13.
[0058] Based on the above embodiments, the cover 1 includes a first sleeve 16, which is recessed into the cooling chamber 13 to form a clearance space 111 with the locking cover 11. A vent hole 151 is provided on the side cover 15 at a position corresponding to the clearance space 111, so that the clearance space 111 can be connected to the atmosphere through the vent hole 151. The valve assembly 113 is located in the clearance space 111 and can discharge the hot air in the pot liner 21.
[0059] In this embodiment, multiple sets of vent holes 151 are arranged around the side cover 15, with each set having 3 vent holes.
[0060] The first sleeve 16 has a recessed clearance space 111 that is recessed into the cooling chamber 13, providing an installation position for the valve assembly 113. At the same time, the clearance space 111 is connected to the atmosphere, allowing hot air to be discharged into the external environment.
Claims
1. A pressure cooking appliance with rapid cooling, comprising a lid and an appliance body with a built-in inner pot, the lid comprising a locking cap and a removable inner cap, the locking cap for locking the appliance body, and the inner cap for providing a seal between the locking cap and the opening of the inner pot to form a pressure chamber, characterized in that, The cover body is provided with a cooling chamber, and the cooling chamber and the pressure chamber are separated by the locking cover. The cooling chamber can be filled with a cooling medium, and the cooling chamber and the pressure chamber exchange heat through the locking cover.
2. The pressure cooking appliance with rapid cooling according to claim 1, characterized in that, The cover also includes a cooling chamber cover, the top of which is open, and the cooling chamber cover is closed at the open part of the cooling chamber.
3. A pressure cooking appliance with rapid cooling according to claim 2, characterized in that, The cover includes a side cover and a top cover. The side cover surrounds the outside of the locking cover. The top of the side cover is open to form an opening that matches the opening of the cooling chamber. The top cover is detachably fitted over the opening of the side cover as a cooling chamber cover.
4. A pressure cooking appliance with rapid cooling according to claim 2, characterized in that, The cooling chamber cover is equipped with a vent valve for airflow circulation inside and outside the cooling chamber.
5. A pressure cooking appliance with rapid cooling according to claim 1, characterized in that, The cover includes a first sleeve that extends axially through the cover, and the first sleeve is connected to the locking cover to form the cooling cavity.
6. A pressure cooking appliance with rapid cooling according to claim 5, characterized in that, The first sleeve and the locking cover are constructed as an integral structure; or, the lower end of the first sleeve is sealed to the locking cover.
7. A pressure cooking appliance with rapid cooling according to claim 1, characterized in that, The cover includes a second sleeve that is open at one end and closed at the other end, and the closed end of the second sleeve contacts or connects to the locking cover.
8. A pressure cooking appliance with rapid cooling according to claim 1, characterized in that, The locking cover has locking teeth around its periphery, and the locking cover is rotatably locked to the appliance body. A safety valve and / or float valve are provided on the locking cover in an area outside the cooling cavity. The cover body includes a first sleeve that extends axially through it. The first sleeve is connected to the locking cover and forms the cooling cavity with it. The first sleeve is recessed into the cooling cavity and forms a clearance space with the locking cover. The clearance space is in communication with the atmosphere. The safety valve and / or float valve are located in the clearance space and can discharge hot air from the pot.
9. A pressure cooking appliance with rapid cooling according to claim 1, characterized in that, The upper surface of the locking cover forms the lower surface of the cooling chamber, and the lower surface of the locking cover forms the upper surface of the pressure chamber.
10. A pressure cooking appliance with rapid cooling according to claim 1, characterized in that, The inner cover includes an inner cover body and a sealing ring disposed around the periphery of the inner cover body, and the inner cover body is provided with a vent hole.