Locking structure of double-layer pressure cooker
Through the locking structure of the double-layer pressure cooker, the meshing design of the inner pot ring and gear, combined with the inner and outer sealing rings and automobile exhaust heating, the problem of the existing pressure cooker requiring a fixed heat source is solved, and the heating function with good sealing and strong heat preservation effect is achieved.
Patent Information
- Application Number
- CN202422240903.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-09-12
AI Technical Summary
The existing pressure cooker needs to be heated with a fixed heat source, with poor sealing effect and poor heat preservation effect, and cannot be used outdoors or in environments without a fixed heat source.
A locking structure of a double-layer pressure cooker is designed, including the inner pot body and the inner pot lid, and the inner pot ring, snap buckle, gear meshing and other components are used to achieve tight locking. An inner and outer sealing ring is set between the inner pot body and the inner pot lid, and heated by the heat of the car exhaust. A safety valve and steam inlet valve are provided on the inner pot lid.
It realizes heating or cooking in an environment without a fixed heat source to ensure that the steam does not leak, has good heat preservation effect, strong sealing and high safety.
Smart Images
Figure CN223208205U_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 double-layer pressure cooker. Background Art
[0002] Existing pressure cookers all use electric heating or direct flame heating, requiring a fixed heat source (electricity or fire) for heating or steaming. This makes heating or steaming impossible outdoors, while driving, or during freight transport, limiting their use. Furthermore, the snap-fit design of existing pressure cookers often leaves gaps between the lid and the pot, resulting in poor sealing, heat loss, and low heating efficiency.
[0003] Existing pressure cookers all have single-layer metal shells, which have poor heat preservation effect. Utility Model Content
[0004] In order to solve the above technical problems existing in the background technology, the utility model provides a locking structure of a double-layer pressure cooker, which has the advantages of good locking and sealing effect, ensuring that steam does not leak out and good heat preservation effect.
[0005] The technical solution of the utility model is as follows: the utility model is a locking structure of a double-layer pressure cooker, which includes a pot body and a pot cover, and its special features are: the pot body includes an inner pot body, the pot cover includes an inner pot cover, the inner pot cover is arranged on the inner pot body, an inner pot ring is arranged on the outer side of the inner pot cover for locking the inner pot cover and the inner pot body, buckles are arranged at intervals on the outer edge of the pot mouth of the inner pot body, buckle hooks that can cooperate with the buckles are arranged at corresponding intervals on the inner side of the lower end of the inner pot ring, bosses are arranged at intervals on the outer side of the inner pot cover, boss flanges are arranged on the outer side of the bosses, and an inner convex edge inner ring is arranged around the inner side of the inner pot ring. The inner pot cover is clamped in the inner ring of the inner convex edge through the boss and the boss flange, and can rotate relative to the inner pot ring. An inner groove is arranged around the inner side of the outer edge of the inner pot cover, and the inner pot sealing ring is arranged in the inner groove. Positioning ears are provided at the outer side of the inner pot cover and the intervals of the bosses. A rack is also provided on the inner side of the inner convex edge of the inner pot ring. The inner pot cover is provided with a first gear, a second gear and a third gear that are meshed with each other in sequence. The third gear is meshed with the rack. The first gear is arranged on the inner pot ring through the inner pot ring fixed shaft. A swivel frame is provided on the inner pot ring. The bottom end of the inner pot ring fixed shaft is connected to the inner pot ring, and the top end is connected to the swivel frame.
[0006] Furthermore, the swivel frame includes a connecting frame and an inner pot swivel. There are two inner pot swivels, which are symmetrically arranged on both sides of the connecting frame and can rotate around the connecting frame. A connecting hole is provided in the center of the connecting frame.
[0007] Furthermore, an inner pot ring fixing platform is provided at the center of the inner pot ring, an inner pot ring center hole is provided at the center of the inner pot ring fixing platform, the inner pot ring fixing shaft passes through the connecting hole and the inner pot ring center hole in sequence, and the first gear and the second gear are provided on the inner pot ring fixing platform.
[0008] Furthermore, an inner pot sealing ring is provided between the inner side of the inner pot cover and the inner pot body.
[0009] Furthermore, the locking structure of the double-layer pressure cooker also includes a steam inlet valve and a steam release valve, which are respectively arranged on the inner pot cover and communicated with the inner pot body.
[0010] Furthermore, the inner pot cover is provided with an explosion-proof valve and a safety valve which are communicated with the inner pot body.
[0011] Furthermore, the pot body also includes an outer pot body, and the pot cover also includes an outer pot cover. The outer pot cover is arranged on the outer pot body, and the inner pot body is arranged in the outer pot body. An outer pot sealing ring is arranged between the inner side of the outer pot cover and the outer pot body.
[0012] Furthermore, the outer pot body, the inner pot body, the outer pot cover and the inner pot cover are all double-layer structures, and the double-layer structure is vacuumed.
[0013] Furthermore, the outer pot body, the inner pot body, the outer pot cover, the inner pot cover and the inner pot ring are all made of stainless steel.
[0014] Furthermore, an outer pot handle is provided on the outer pot body.
[0015] The utility model provides a locking structure for a double-layer pressure cooker. The cooker body comprises an outer cooker body and an inner cooker body, and the cooker cover comprises an outer cooker cover and an inner cooker cover. The outer cooker cover is arranged on the outer cooker body, the inner cooker cover is arranged on the inner cooker body, and the inner cooker body is arranged in the outer cooker body. The outer cooker body, the inner cooker body, the outer cooker cover and the inner cooker cover all have a double-layer structure. The double-layer structure is vacuumed, and has good heat preservation and heating effects.
[0016] The utility model adds an inner pot ring on the inner pot cover which can lock the inner pot cover and the inner pot body, buckles are arranged at intervals on the outer edge of the pot mouth of the inner pot body, and buckle hooks which can cooperate with the buckles are arranged at corresponding intervals on the inner side of the lower end of the inner pot ring. When the inner pot cover is buckled, the ring frame is rotated counterclockwise to drive the inner pot ring to rotate, the buckle hooks are snapped into the buckles, and the inner pot cover is locked; when the inner pot cover is opened, the inner pot ring is rotated in the opposite direction, the buckle hooks are disengaged from the buckles and are located in the intervals between the buckles, and the inner pot cover can be opened. The outer side of the inner pot lid is provided with bosses at intervals, and the outer side of the bosses is provided with boss flanges. The inner side of the inner pot ring is provided with an inner convex edge inner ring. The inner pot lid is clamped into the inner convex edge inner ring through the bosses and the boss flange, and can rotate relative to the inner pot ring. The inner side of the outer edge of the inner pot lid is provided with an inner groove around the inner side, and the inner pot sealing ring is disposed in the inner groove. Positioning ears are provided on the outer side of the inner pot lid at the intervals between the bosses. When the inner pot lid is fastened to the inner pot body, the positioning ears are located in the intervals between the buckles to ensure that the inner pot lid cannot rotate. A rack is also provided on the inner side of the upper part of the inner pot lid. The inner pot ring is provided with a first gear, a second gear, and a third gear that mesh with each other in sequence. The third gear meshes with the rack. The first gear is mounted on the inner pot ring via an inner pot ring fixed shaft. The inner pot ring is provided with a swivel frame. The bottom end of the inner pot ring fixed shaft is connected to the inner pot ring, and the top end is connected to the swivel frame. To close the inner pot lid, the rotating ring frame is rotated clockwise, which in turn drives the second gear, the third gear, and the rack through the first gear, causing the inner pot ring to rotate and engage with the inner pot body. To open the inner pot lid, the rotating ring frame is rotated in the opposite direction to separate the inner pot ring from the inner pot body. This locking method ensures that the inner pot lid and the inner pot body are tightly fitted throughout the entire circle, while also ensuring that the inner pot sealing ring is compacted. Therefore, the locking and sealing effect of the utility model is good, which can prevent steam from leaking.
[0017] The utility model is provided with a steam inlet valve and a steam release valve on the inner pot lid, which utilizes heat from recycled automobile exhaust for heating. This method of inputting steam into the inner pot through the steam inlet valve to heat or steam the food in the steam box is environmentally friendly and recycles resources. The inner and outer pot bodies of the utility model are both made of stainless steel, which is both high-temperature resistant and has high heat conduction efficiency. The utility model is also provided with a safety valve on the inner pot lid. The purpose of the safety valve is that when the pressure cooker is operating normally, the upper part of the valve core of the safety valve is lifted by the pressure in the inner pot and then inserted into the corresponding hole in the inner pot ring, preventing the user from forcibly opening the pot lid during cooking, which could pose a danger to the user. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the explosion of the inner pot of the present invention;
[0020] Figure 3 This is a schematic structural diagram of the inner pot ring of the present utility model;
[0021] Figure 4 This is a schematic diagram of the explosion of the outer pot of the utility model;
[0022] Figure 5 This is a schematic diagram of a steaming box of the present invention;
[0023] Figure 6 This is a schematic diagram of the steaming rack of the present invention;
[0024] Figure 7 This is a schematic diagram of the use state of the utility model.
[0025] The following are the descriptions of the reference numerals:
[0026] 1. Third gear; 2. Second gear; 3. First gear; 4. Inner pot cover; 5. Outer pot cover; 6. Outer pot sealing ring; 7. Inner pot sealing ring; 8. Safety valve; 9. Outer pot body; 10. Inner pot body; 11. First steam box; 12. Inner pot swivel; 13. Connecting hole; 14. Connecting bracket; 15. Center hole of inner pot ring; 16. Hook; 17. Inner pot ring; 18. Explosion-proof valve; 19. Steam inlet valve; 20. Boss; 21. Boss flange; 22. Positioning Ear; 23. Buckle; 24. Swivel frame; 25. Inner pot ring fixing shaft; 26. Steam relief valve; 27. Positioning block; 28. Rack; 29. Inner convex edge inner ring; 30. Inner pot ring fixing platform; 31. Third steaming box lid; 32. Outer folded edge; 33. Third steaming box; 34. Second steaming box; 35. First steaming box lid; 36. First steaming box; 37. Steaming rack; 38. Steaming rack buckle; 39. Outer pot handle; 40. Opening; 41. Drain pipe; 42. Inner pot cavity. DETAILED DESCRIPTION
[0027] The overall scheme of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0028] See also Figure 1 、 2 , 3, 4, the structure of a specific embodiment of the present utility model includes an outer pot body 9 and an inner pot body 10, an outer pot cover 5 is arranged on the outer pot body 9, an inner pot cover 4 is arranged on the inner pot body 10, and the inner pot body 10 is arranged inside the outer pot body 9. An inner pot ring 17 is arranged on the outer side of the inner pot cover 4 to lock the inner pot cover 4 and the inner pot body 10, an outer pot sealing ring 6 is arranged between the inner side of the outer pot cover 5 and the outer pot body 9, and an inner pot sealing ring 7 is arranged between the inner side of the inner pot cover 4 and the inner pot body 10. The outer pot body 9, inner pot body 10, outer pot cover 5 and inner pot cover 4 are all double-layer structures, and the double-layer structure is vacuumed. The inner pot cover is also provided with a steam inlet valve 19 and a steam release valve 26, both of which are connected to the inner pot body 10.
[0029] Buckles 23 are provided at intervals on the outer edge of the pot mouth of the inner pot body 10, and hooks 16 that can cooperate with the buckles 23 are provided at corresponding intervals on the inner side of the lower end of the inner pot ring 17. When the inner pot cover 4 is closed, the rotating ring frame 24 is rotated clockwise to drive the inner pot ring 17 to rotate, and the hooks 16 are snapped into the buckles 23, and the inner pot cover 4 is locked; when the inner pot cover 4 is opened, the rotating ring frame 24 is rotated in the opposite direction to drive the inner pot ring 17 to rotate, and the hooks 16 are disengaged from the buckles 23 and are located in the interval between the buckles 23, and the inner pot cover 4 can be opened. Bosses 20 are arranged at intervals on the outer side of the inner pot cover 4, and boss flanges 21 are arranged on the outer side of the boss 20. An inner convex edge inner ring 29 is arranged around the inner side of the inner pot ring 17. The inner pot cover 4 is clamped in the inner convex edge inner ring 29 through the bosses 20 and the boss flange 21, and can rotate relative to the inner pot ring 17. An inner groove is arranged around the inner side of the outer edge of the inner pot cover 4, and the inner pot sealing ring 7 is arranged in the inner groove. Positioning ears 22 are provided at the intervals of the outer bosses 20 of the inner pot cover 4. When the inner pot cover 4 and the inner pot body 10 are buckled together, the positioning ears 22 are located in the intervals between the buckles 23 to ensure that the inner pot cover 4 cannot rotate.
[0030] A rack 28 is also provided on the inner side of the upper portion of the inner pot cover 4. A positioning block 27 is provided on each side of the rack 28. The positioning block 27 ensures that when the connecting frame 14 rotates, the inner pot ring 17 rotates within a certain angle range when in the open and closed states corresponding to the inner pot ring 17, rather than at a random position. The inner pot ring 17 is provided with a first gear 3, a second gear 2, and a third gear 1, which are sequentially arranged and mesh with each other. The third gear 1 meshes with the rack 28. The first gear 3 is mounted on the inner pot ring 17 via an inner pot ring fixed shaft 25. The inner pot ring 17 is provided with a swivel frame 24. The inner pot ring fixed shaft 25 is connected to the inner pot ring 17 at its bottom end and to the swivel frame 24 at its top end. In a specific embodiment of the present invention, the rotating ring frame includes a connecting frame 14 and an inner pot rotating ring 12. There are two inner pot rotating rings 12 (one on each side), which are symmetrically arranged on both sides of the connecting frame 14 and can rotate 90° through their respective rotating shafts A and rotating shafts B. The inner pot ring 17 and the inner pot body 10 mouth are evenly provided with rotating buckle structures: buckles 23 and hooks 16. The inner pot ring 17 can be locked or opened with the inner pot body 10 by rotating the upright inner pot rotating ring 12. A connecting hole 13 is provided at the center of the connecting frame 14, an inner pot ring fixing platform 30 is provided at the center of the inner pot ring 17, and an inner pot ring center hole 15 is provided at the center of the inner pot ring fixing platform 30. The inner pot ring fixing shaft 25 passes through the connecting hole 13 and the inner pot ring center hole 15 in sequence. The bottom end is connected to the inner pot ring 17 by a sealing ring and a bolt, and the top is connected to the connecting frame 14 by a screw and a gasket. The first gear 3 and the second gear 2 are provided on the inner pot ring fixing platform. When it is necessary to open or lock the inner pot cover 4, just put the inner pot cover on the corresponding inner pot body, and then rotate the inner pot rotating ring 12 to the upright position. The inner pot ring fixing shaft 25 passes through the connecting frame 14 and the inner pot ring 17, and the first gear 3 set on the inner pot ring drives the second gear 2 and the third gear 1. Finally, the force is transmitted to the rack 28 fixed on the inner pot cover 4 through the third gear 1, so that the inner pot ring 17 can be tightened or opened, and then the inner pot cover 4 can be locked or opened.
[0031] The inner pot cover 4 is also provided with an explosion-proof valve 8 and a safety valve 18 which are communicated with the inner pot body 10. The outer pot body 9 is provided with an outer pot handle 39.
[0032] The outer pot body 9, the inner pot body 10, the outer pot cover 5, the inner pot cover 4, the inner pot ring 17, the first steaming box 36, the second steaming box 34 and the third steaming box 33 are all made of stainless steel.
[0033] See also Figure 5 、 6In a specific embodiment of the present invention, a first steaming box 36 is disposed within the inner pot body 10. A first steaming box lid 35 is disposed on the first steaming box 36. A second steaming box 34 is disposed above the first steaming box 36. A third steaming box 33 is disposed within the second steaming box 34. An outward-turned edge 32 is disposed on the outer side of the opening of the third steaming box 33. The third steaming box 32 is suspended within the second steaming box 34 via the outward-turned edge 32. A third steaming box lid 31 is disposed on the third steaming box 33. A steaming rack 37 is disposed within the inner pot body 10. A steaming rack buckle 38 is disposed above the steaming rack 37. The steaming rack buckle can rotate freely about a rotation axis C. The first steaming box 36 and the second steaming box 34 are disposed within the steaming rack 37.
[0034] When using the present invention, the steaming rack buckle 38 is opened, the first steaming box 36, the second steaming box 34, and the third steaming box 33 are assembled and placed inside the steaming rack 37. After the steaming boxes are placed, the steaming rack buckle 38 is closed again. The steaming rack 37 is placed inside the inner pot body 10, the inner pot lid 4 is closed, and the inner pot body 10 and the inner pot lid 4 are locked together using the inner pot ring 17. The steam inlet valve 19 is opened, and steam flows in through the steam inlet valve 19 and through the gaps in the steaming rack 37 to heat or steam the steaming boxes inside the steaming rack 37. After heating or steaming is completed, the steam relief valve 26 is opened, and the steam eventually flows out of the steam relief valve 26. The inner pot lid 4 is opened, and the steaming rack 37 is removed.
[0035] See also Figure 7 The outer pot cover 5 is provided with openings 40 at positions corresponding to the steam inlet valve 19 and the air release valve 26. When the outer pot body 9 is operating normally, the inner pot body 10 is placed entirely within the outer pot body 9. After the inner pot body 10 is placed within the outer pot body 9, the outer pot 5 is closed. When the outer pot cover 5 reaches the locked position, the openings 40 provided on the outer pot cover 5 correspond exactly to the positions of the steam inlet valve 19 and the air release valve 26. Before operation, the air inlet valve connector and the air release valve connector can be connected to the steam inlet valve 19 and the air release valve 26 respectively through the openings 40 on the outer pot. Steam is introduced into the inner pot cavity 42 for heating.
[0036] A drain pipe 41 can also be connected to the inside of the steam relief valve 26. The function of the drain pipe 41 is that when a certain amount of water accumulates in the cavity of the inner pot body 10 (distilled water will be produced when the steam in the pot cools down during cooking), the water can be discharged from the inner pot body 10 through the drain pipe 41 and the channel connected to the air relief valve 26 at the upper end of the drain pipe 41 with the help of the pressure in the cavity of the inner pot body 10.
[0037] In high altitude or low temperature environments, placing the inner pot body 10 into the outer pot body 9 can minimize the heat emitted to the outside when the inner pot cooks food, thereby improving cooking efficiency.
[0038] The technical contents not specifically described in the present invention and the above embodiments are the same as those in the prior art.
[0039] The above are only specific implementation methods disclosed in the present utility model, but the protection scope disclosed in the present utility model is not limited thereto. The protection scope disclosed in the present utility model shall be based on the protection scope of the claims.
Claims
1. A locking structure for a double-layer pressure cooker, comprising a cooker body and a cooker lid, characterized in that: The pot body includes an inner pot body, and the pot cover includes an inner pot cover. The inner pot cover is arranged on the inner pot body, and an inner pot ring is arranged on the outer side of the inner pot cover to lock the inner pot cover and the inner pot body. Buckles are arranged at intervals on the outer edge of the pot mouth of the inner pot body, and hooks that can cooperate with the buckles are arranged at corresponding intervals on the inner side of the lower end of the inner pot ring. Bosses are arranged at intervals on the outer side of the inner pot cover, and boss flanges are arranged on the outer side of the bosses. An inner convex edge inner ring is arranged around the inner side of the inner pot ring. The inner pot cover is clamped in the inner convex edge inner ring through the bosses and the boss flanges, and can be rotated relative to the inner pot ring. The inner pot cover is provided with an inner groove around the inner side of the outer edge, an inner pot sealing ring is provided in the inner groove, positioning ears are provided at the intervals of the bosses on the outer side of the inner pot cover, and a rack is also provided on the inner side of the inner convex edge of the inner pot ring. The inner pot cover is provided with a first gear, a second gear and a third gear which are meshed with each other in sequence, the third gear is meshed with the rack, the first gear is provided on the inner pot ring through the inner pot ring fixed shaft, a swivel frame is provided on the inner pot ring, the bottom end of the inner pot ring fixed shaft is connected to the inner pot ring, and the top end is connected to the swivel frame.
2. The locking structure of the double-layer pressure cooker according to claim 1, characterized in that: The swivel frame includes a connecting frame and an inner pot swivel. There are two inner pot swivels, which are symmetrically arranged on both sides of the connecting frame and can rotate around the connecting frame. A connecting hole is arranged in the center of the connecting frame.
3. The locking structure of the double-layer pressure cooker according to claim 2, characterized in that: An inner pot ring fixing platform is provided at the center of the inner pot ring, an inner pot ring center hole is provided at the center of the inner pot ring fixing platform, the inner pot ring fixing shaft passes through the connecting hole and the inner pot ring center hole in sequence, and the first gear and the second gear are provided on the inner pot ring fixing platform.
4. The locking structure of the double-layer pressure cooker according to claim 3, characterized in that: An inner pot sealing ring is provided between the inner side of the inner pot cover and the inner pot body.
5. The locking structure of the double-layer pressure cooker according to claim 4, characterized in that: The locking structure of the double-layer pressure cooker further comprises a steam inlet valve and a steam release valve, wherein the steam inlet valve and the steam release valve are respectively arranged on the inner pot cover and communicated with the inner pot body.
6. The locking structure of the double-layer pressure cooker according to claim 5, characterized in that: The inner pot cover is provided with an explosion-proof valve and a safety valve which are communicated with the inner pot body.
7. The locking structure of a double-layer pressure cooker according to any one of claims 1 to 6, characterized in that: The pot body also includes an outer pot body, and the pot cover also includes an outer pot cover. The outer pot cover is arranged on the outer pot body, and the inner pot body is arranged in the outer pot body. An outer pot sealing ring is arranged between the inner side of the outer pot cover and the outer pot body.
8. The locking structure of the double-layer pressure cooker according to claim 7, characterized in that: The outer pot body, the inner pot body, the outer pot cover and the inner pot cover are all double-layer structures, and the double-layer structure is vacuumed.
9. The locking structure of the double-layer pressure cooker according to claim 8, characterized in that: The outer pot body, inner pot body, outer pot cover, inner pot cover and inner pot ring are all made of stainless steel.
10. The locking structure of the double-layer pressure cooker according to claim 9, characterized in that: The outer pot body is provided with an outer pot handle.