Locking structure of pressure cooker
By designing the rotary locking structure of the lid ring and ring outer convex edge on the pressure cooker, combined with the double-layer pot body and vacuum design, the problems of lax sealing and poor heat preservation effect are solved, and good sealing and insulation effect are achieved, and it is suitable for self-driving and long-distance freight food heating.
Patent Information
- Application Number
- CN202422240901.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-12
AI Technical Summary
There are easy gaps between the lid of the existing pressure cooker and the body of the pot, which has poor sealing effect, resulting in loss of hot air and poor heat preservation effect. The pot body is a single-layer metal shell, which has poor heat preservation effect.
A locking structure of a pressure cooker is designed. A pot lid ring is installed on the outside of the pot cover, an annular outer convex edge and a boss on the outside of the pot body, and an inner convex edge on the inside of the lower end of the pot cover. The inner convex edge snaps into the boss to achieve rotation locking. The pot cover and the pot body are double-layered structures, and a sealing ring is set between the inner and outer pot covers, and the pot body is vacuum-induced.
It achieves a tight sealing of the pot lid and the pot body to ensure that the steam does not leak out, improves the insulation and heat preservation effect, and is suitable for self-driving and long-distance freight food heating needs.
Smart Images
Figure CN223111466U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of heat preservation and heating devices, in particular to a locking structure of a pressure cooker. Background Art
[0002] For the existing pressure cookers, the lid and the pot body adopt a buckling method, and there are easy to leave gaps between the lid and the pot body, resulting in poor sealing effect, easy heat loss, and low heating efficiency.
[0003] All existing pressure cookers have a single-layer metal shell, resulting in poor heat preservation effect. Content of the Utility Model
[0004] In order to solve the above technical problems in the background art, the utility model provides a locking structure of a pressure cooker, which has the advantages of good locking and sealing effect, ensuring no steam leakage, and good heat preservation effect.
[0005] The technical solution of the utility model is: the locking structure of the pressure cooker includes a pot body and a lid, and the lid is arranged above the pot body. The special feature is that: an outer lid ring capable of locking the lid and the pot body is arranged on the outer side of the lid, an annular outer convex edge is arranged on the outer side of the pot mouth of the pot body, bosses are arranged at intervals on the annular outer convex edge, the bosses are of a hollow structure, and one end and the outer side of the bosses are both openings. Corresponding to the bosses at intervals, notches capable of cooperating with the bosses are arranged at the lower end of the lid, and inner convex edges corresponding to the bosses at intervals are arranged on the inner side of the lower end of the lid ring. The lid ring is stuck in the bosses on the pot body through the inner convex edges and can rotate relative to the lid.
[0006] Furthermore, a lid ring fixing shaft is arranged at the center of the lid, the lid ring fixing shaft passes through the lid ring and connects the lid and the lid ring together, and the lid ring can rotate relative to the lid through the lid ring fixing shaft. An opening handle is arranged on the lid ring, one end of the opening handle is connected to the lid ring through an opening handle rotating shaft, and the opening handle can rotate around the opening handle rotating shaft.
[0007] Furthermore, a ball is arranged at the top of the lid, and the ball contacts the inner side surface of the top of the lid ring.
[0008] Furthermore, there are multiple balls, which are evenly distributed around the perimeter of the top of the lid.
[0009] Furthermore, cylindrical bosses are arranged at the intervals between the bosses on the annular outer convex edge, and grooves for clamping the cylindrical bosses are correspondingly arranged on the inner side of the lid.
[0010] Furthermore, a lid sealing ring is arranged between the inner side of the lid and the pot body, and both the pot body and the lid are of a double-layer structure, and the double-layer structure inside the pot body is evacuated.
[0011] Furthermore, an explosion-proof valve and a safety valve communicating with the pot body are arranged on the lid.
[0012] Further, the pot body, the pot lid and the pot lid ring are all made of stainless steel.
[0013] A locking structure of a pressure cooker provided by the present utility model. Both the pot body and the pot lid are of double-layer structures. The double-layer structure inside the pot body is evacuated. When the pot is heated, it can play a good heat preservation role. The present utility model adds a pot lid ring on the pot lid that can lock the pot lid and the pot body. An annular outer convex edge is provided on the outer side of the pot opening of the pot body. Convex platforms are spaced on the annular outer convex edge, and one end and the outer side of the convex platform are both open. Corresponding to the convex platforms, notches that can cooperate with the convex platforms are spaced at the lower end of the pot lid. Inner convex edges corresponding to the convex platforms are spaced at the inner side of the lower end of the pot lid ring. The pot lid ring is stuck in the convex platforms of the pot lid ring through the inner convex edges and can rotate relative to the pot lid. When the pot lid is buckled, the notches at the lower end of the pot lid are stuck on the convex platforms. Rotate the opening handle clockwise to drive the pot lid ring to rotate. The inner convex edges at the lower end of the pot lid ring are screwed into the convex platforms from the gap between the lower end of the pot lid and the annular outer convex edge to lock with the pot lid. When the pot lid is opened, rotate the pot lid ring in the reverse direction, and the inner convex edges disengage from the convex platforms and are located in the intervals between the convex platforms, and the pot lid can be opened. This locking method can ensure that the entire circumference of the pot lid and the pot body fits tightly, and at the same time can ensure that the sealing ring of the pot lid is compacted. Therefore, the locking and sealing effect of the present utility model is good, and it can ensure that steam does not leak out.
[0014] At the same time, there is a gap between the outer wall of the first steamer and the inner wall of the pot body. The first steamer is suspended inside the pot body. An inlet valve and an outlet valve are provided on the pot body. By inputting steam into the pot body, the food in the first steamer inside the pot body is heated or steamed. It is heated in a circulating manner through the gap between the outer wall of the first steamer and the inner wall of the pot body, which is convenient and fast to use. An explosion-proof valve and a safety valve communicating with the pot body are provided on the pot lid of the present utility model. The purpose of the safety valve is that when the pressure cooker is working normally, the upper part of the valve core of the safety valve is lifted by the pressure inside the inner pot, and then inserted into the corresponding hole of the inner pot ring to prevent the user from forcibly opening the pot lid during cooking and causing danger to the person.
[0015] The pot body of the present utility model adopts a double-layer evacuated structure, which can further improve the heat preservation and freshness preservation effects. The present utility model has the advantage of environmental protection and is especially suitable for the requirements of self-driving and long-distance freight drivers for food heating and steaming. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is an exploded structural schematic diagram of the present utility model;
[0017] Figure 2 is a cross-sectional schematic Figure 1 ;
[0018] Figure 3 is a cross-sectional schematic Figure 2 ;
[0019] Figure 4 This is a schematic diagram of the explosion structure of the steamer of the present utility model.
[0020] The description of the reference numerals in the drawings is as follows:
[0021] 1. Lid opening handle; 2. Lid ring; 3. Inner convex edge; 4. Boss; 5. Steam release valve; 6. Annular outer convex edge; 7. Double-layer structure; 8. Lid ring fixing shaft; 9. Lid; 10. Notch; 11. Lid seal ring; 12. Cylindrical boss; 13. Steam inlet valve; 14. Pot body; 15. Third steamer; 16. Second steamer; 17. Steamer seal ring; 18. First steamer; 19. Second outward turning edge; 20. Handle; 21. First lid seal ring; 22. Drain pipe; 23. Heating pack or ice pack; 24. Safety valve; 25. Explosion-proof valve; 26. Lid opening handle rotating shaft; 27. First outward turning edge; 28. Third outward turning edge; 29. Ball. Specific embodiments
[0022] The following further details the overall solution of the present utility model in conjunction with the drawings and specific embodiments:
[0023] See Figure 1 , 2 , and 3. The structure of the specific embodiment of the present utility model includes a pot body 14, a lid 9, a steam inlet valve 13, and a steam release valve 5. A lid ring 2 for locking the lid 9 and the pot body 14 is provided on the outer side of the lid 9. A lid seal ring 11 is provided between the inner side of the lid 9 and the pot body 14. Both the pot body 14 and the lid 9 are of double-layer structure, and the double-layer structure 7 of the pot body 14 is evacuated. In the double-layer structure of the lid 9, a first lid seal ring 21 is further provided between the inner lid and the outer lid. The steam inlet valve 13 and the steam release valve 5 are respectively provided on the pot walls on both sides of the pot body 14 and communicate with the pot body 14. A first steamer 18 is suspended in the pot body 14, and a steamer seal ring 17 is provided between the first steamer 18 and the pot body 14. A gap is left between the outer wall of the first steamer 18 and the inner wall of the pot body 14. A first outward turning edge 27 is provided on the outer side of the pot mouth of the first steamer 18, and the first steamer is suspended at the mouth of the pot 14 through the first outward turning edge 27.
[0024] An annular outer convex edge 6 is provided on the outer side of the mouth of the pot body 14. Bosses 4 are arranged at intervals on the annular outer convex edge 6, and one end and the outer side of the boss 4 are both open. At the lower end of the pot lid ring 2, notches 10 that can cooperate with the bosses 4 are arranged at intervals corresponding to the bosses 4. Inner convex edges 3 are arranged at intervals corresponding to the bosses 4 on the inner side of the lower end of the pot lid 9. The pot lid ring 2 is stuck in the bosses 4 on the pot body 14 through the inner convex edges 3 and can rotate relative to the pot lid 9. A pot lid ring fixing shaft 8 is arranged at the center of the pot lid 9. The pot lid ring fixing shaft 8 passes through the pot lid ring 2 and connects the pot lid 9 and the pot lid ring 2 together, and the pot lid ring 2 can rotate relative to the pot lid 9 through the pot lid ring fixing shaft 8. An opening handle 1 is arranged on the pot lid ring 2. One end of the opening handle 1 is connected to the pot lid ring 2 through an opening handle rotating shaft 26, and the opening handle 1 can rotate around the opening handle rotating shaft 26. Columnar bosses 12 are arranged at the intervals between the bosses 4 on the annular outer convex edge 6. Corresponding grooves for clamping the columnar bosses 12 are arranged on the inner side of the pot lid 9. The cooperation between the columnar bosses 12 and the grooves can further prevent the pot lid 9 from rotating radially along the pot body 14. Ball bearings 29 are arranged on the top of the pot lid. The ball bearings 29 are in contact with the inner side surface of the top of the pot lid ring 2. There are multiple ball bearings 29, which are evenly embedded in the periphery of the top of the pot lid 9 in a circular pattern. The design of the ball bearing structure here can play a very good role in reducing friction and can realize the rolling contact between 29 and the pot lid ring 2.
[0025] When the pot lid 9 is buckled, the notch 10 at the lower end of the pot lid 9 is stuck on the boss 4, and the columnar boss 12 is stuck into the groove. Rotate the opening handle 1 clockwise to drive the pot lid ring 2 to rotate. The inner convex edge 3 at the lower end of the pot lid ring 2 is screwed into the boss 4 from the gap between the lower end of the pot lid 9 and the annular outer convex edge 6 and is locked with the pot lid 9. When the pot lid 9 is opened, rotate the pot lid ring 2 in the reverse direction, the inner convex edge 3 disengages from the boss 4 and is located in the interval between the bosses 4, and the pot lid 9 can be opened.
[0026] A drain pipe 22 is connected to the inner side of the steam release valve 5. The function of the drain pipe 22 is that when a certain amount of water accumulates in the cavity of the pot body 14 (distilled water will be generated when the steam in the pot cools during cooking of food), the water can be discharged from the pot body 14 by means of the pressure in the cavity of the pot body 14 through the drain pipe 22 and the channel connecting the upper end of the drain pipe 22 and the steam release valve 5. An explosion-proof valve 25 and a safety valve 24 communicating with the pot body 14 are arranged on the pot lid 9.
[0027] See Figure 4, in a specific embodiment of the present utility model, a second steamer 16 and a third steamer 15 are arranged in the first steamer 18. A second out-turned edge 19 is arranged on the outer side of the mouth of the second steamer 16, and the second steamer 16 is suspended in the first steamer 18 through the second out-turned edge 19. A third out-turned edge 28 is arranged on the outer side of the mouth of the third steamer 15, and a convex platform is arranged on the pot wall of the second steamer 16 near the mouth. The third steamer 15 is arranged in the second steamer 16 through the third out-turned edge 28 and the convex platform. A heating pack or an ice pack 23 is arranged in the pot body 14 below the first steamer 18. The pot body 14, the pot lid 9, the pot lid ring 2, the first steamer 18, the second steamer 16 and the third steamer 15 are all made of stainless steel. In addition, the first steamer 18, the second steamer 16 and the third steamer 15 can all be taken out separately for boiling water or processing food in the wild.
[0028] When the present utility model is used, there are the following three usage modes:
[0029] The first one is to use steam for heating. Open the steam inlet valve 10, and the steam flows in through the steam inlet valve 10, and is heated through the gap left between the outer wall of the first steamer 18 and the inner wall of the pot body 14 and the bottom of the pot body 14 to realize the heating or steaming function. During the heating or steaming process, the over-pressured steam is discharged through the steam release valve 5. After the heating or steaming is completed, take out the first steamer 18.
[0030] The second one is to use a heating pack for heating. Place a heating pack in the pot body 14, add water, then place the first steamer 18, cover the pot lid 9. During the heating or steaming process, the over-pressured steam is discharged through the steam release valve 5. After the heating or steaming is completed, take out the first steamer 18.
[0031] The third one is to use an ice pack for freshness preservation. Place an ice pack in the pot body 14, put the first steamer 18 in, cover the pot lid 9, and then the food materials in the first steamer 18 can be refrigerated and preserved.
[0032] The technical content not specifically described in the content of the present utility model and the above embodiments is the same as the prior art.
[0033] The above is only the specific implementation manner disclosed by the present utility model, but the protection scope disclosed by the present utility model is not limited thereto. The protection scope disclosed by the present utility model shall be subject to the protection scope of the claims.
Claims
1. A locking structure of a pressure cooker, the locking structure of the pressure cooker comprising a pot body and a pot lid, the pot lid being arranged above the pot body, characterized in that: A pot lid ring capable of locking the pot lid and the pot body is provided on the outer side of the pot lid. An annular outer convex edge is provided on the outer side of the pot mouth of the pot body. The convex edges are provided at intervals on the annular outer convex edge. The convex edges are of a hollow structure, and one end and the outer side of the convex edge are both open. Corresponding to the convex edges, notches capable of cooperating with the convex edges are provided at intervals at the lower end of the pot lid. Inner convex edges corresponding to the convex edges are provided at intervals on the inner side of the lower end of the pot lid ring. The pot lid ring is stuck in the convex edges on the pot body through the inner convex edges and can rotate relative to the pot lid.
2. The locking structure of the pressure cooker according to claim 1, wherein: A pot lid ring fixing shaft is provided at the center of the pot lid. The pot lid ring fixing shaft passes through the pot lid ring and connects the pot lid and the pot lid ring together. The pot lid ring can rotate relative to the pot lid through the pot lid ring fixing shaft. An opening handle is provided on the pot lid ring. One end of the opening handle is connected to the pot lid ring through an opening handle rotating shaft, and the opening handle can rotate around the opening handle rotating shaft.
3. The locking structure of the pressure cooker according to claim 2, characterized in that: A ball is provided on the top of the pot lid. The ball contacts the inner side surface of the top of the pot lid ring.
4. The locking structure of the pressure cooker according to claim 3, characterized in that: There are multiple balls, which are evenly distributed around the perimeter of the top of the pot lid.
5. The locking structure of the pressure cooker according to claim 4, characterized in that: Column-shaped convex edges are provided at intervals between the convex edges on the annular outer convex edge. Corresponding grooves for clamping the column-shaped convex edges are provided on the inner side of the pot lid.
6. The locking structure of the pressure cooker according to any one of claims 1 to 5, characterized in that: A pot lid sealing ring is provided between the inner side of the pot lid and the pot body. Both the pot body and the pot lid are of a double-layer structure, and the double-layer structure inside the pot body is evacuated.
7. The locking structure of the pressure cooker according to claim 6, characterized in that: An explosion-proof valve and a safety valve communicating with the pot body are provided on the pot lid.
8. The locking structure of the pressure cooker according to claim 7, characterized in that: The pot body, the pot lid and the pot lid ring are all made of stainless steel.