Anti-suction smoldering tank

By integrating the intake valve and airflow channel on the sealing ring, the problem of difficulty in opening the lid of the stewing can is solved, and the dual effects of air pressure balance and lid integrity are achieved.

CN222584229UActive Publication Date: 2025-03-11SHAOXING MILEKEMI INFANT & CHILDREN PROD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420536817.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2025-03-11
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

When the temperature of the existing stewing tank drops, the air pressure in the tank is lower than the outside air pressure, making it difficult to open the lid.

Method used

An anti-sucking stewing tank is designed to achieve air pressure balance by integrating an intake valve on the sealing ring using airflow channels and cutouts, avoiding the need for holes on the surface of the cover.

Benefits of technology

It achieves a balance between air pressure inside and outside the tank, facilitates opening of the lid, while maintaining the integrity and aesthetics of the lid, making it easy to clean and use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222584229U_ABST
    Figure CN222584229U_ABST
Patent Text Reader

Abstract

The anti-suction smoldering tank comprises a tank body, a cover body and a sealing ring, the cover body is connected with the tank body, an airflow channel allowing air to enter the cover body is formed between the cover body and the tank body, the sealing ring is arranged between the cover body and the tank body in a sealing mode, and an air inlet valve is integrally arranged on the sealing ring and is in a closed state. When the air pressure in the tank body is lower than the external standard air pressure, air can flow into the top push air inlet valve from the air flow channel, so that the air inlet valve is opened, the air pressure balance of the inner side and the outer side of the tank body is kept, and the cover body is convenient to open; the whole structure is optimized, opening design does not need to be conducted on the surface of the cover body, the integrity and smoothness of the cover body are kept, cleaning of the surface of the cover body is more convenient, and attractiveness of the whole appearance can be guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of stewing pots, and in particular relates to an anti-suction stewing pot. Background Art

[0002] The stewing pot has a good heat preservation effect, and its heat preservation function can be used to stew food in water at a certain temperature. More and more people are starting to use stewing pots. When the existing stewing pot is in use, when the temperature inside the stewing pot is reduced, it is easy for the air pressure inside the stewing pot to be lower than the external air pressure, which makes it difficult for the user to open the lid of the stewing pot. In order to solve the problem that the lid is sucked and cannot be twisted open, a common method on the market is to open a hole in the lid and install a one-way valve in the hole to balance the air pressure. For example, the existing patent document discloses a utility model patent named a stewing pot (publication number: CN213139763U). However, this design requires opening a hole on the surface of the cover, making the surface of the cover incomplete, affecting the overall aesthetics, and the hole also increases the difficulty of cleaning. Summary of the invention

[0003] The utility model aims to provide a technical solution for an anti-sucking stewing pot in view of the deficiencies in the prior art. The structural design is ingenious and reasonable and has strong practicality. When the air pressure inside the tank body is lower than the external standard air pressure, air can flow into the top of the air intake valve from the air flow channel to open the air intake valve, thereby maintaining the air pressure balance inside and outside the tank body, which is convenient for opening the cover body. In the present application, the air intake valve is directly arranged on the sealing ring, and the air intake valve and the sealing ring are integrated to optimize the overall structure. There is no need to design opening holes on the surface of the cover body, so the integrity and smoothness of the cover body are maintained, which makes it easier to clean the surface of the cover body and ensures the overall aesthetic appearance.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The invention relates to an anti-sucking stewing pot, comprising a pot body, a cover body and a sealing ring, wherein the cover body is connected to the pot body, and an air flow channel for air to enter the cover body is formed therebetween, the sealing ring is sealingly arranged between the cover body and the pot body, and an air intake valve is integrated on the sealing ring and is in a closed state; when the air pressure inside the pot body is lower than the standard air pressure outside, air enters from the air flow channel to push the incision of the air intake valve to open, thereby achieving air pressure balance inside and outside the pot body; the structural design is ingenious and reasonable, and has strong practicality; when the air pressure inside the pot body is lower than the standard air pressure outside, air can flow from the air flow channel into the air intake valve to push the inlet valve to open, thereby maintaining air pressure balance inside and outside the pot body, which is convenient for opening the cover body, and in the present application, the air intake valve is directly arranged on the sealing ring, the air intake valve and the sealing ring are integrated to optimize the overall structure, without the need to design a hole on the surface of the cover body, thereby maintaining the integrity and smoothness of the cover body, making it easier to clean the surface of the cover body, and also ensuring the overall aesthetic appearance.

[0006] Furthermore, it also includes a bottom cover, which is arranged at the bottom of the tank body, and a buckle ring portion is arranged on the bottom cover, and a buckle ring groove is arranged on the tank body. The buckle ring portion is clamped in the buckle ring groove to realize the buckle connection between the bottom cover and the tank body. The bottom cover can increase the overall structural stability and reliability of the entire stewing pot, and provide a stable support for the entire stewing pot, so that the placement of the stewing pot is more stable and reliable. At the same time, the bottom cover can also play a certain role in heat insulation protection, reduce the heat transfer at the bottom of the stewing pot, and make the stewing pot have better thermal insulation effect, and use It is more convenient and safe. The bottom cover and the tank body can be buckled and installed by cooperating with the buckle ring portion and the buckle ring groove, which effectively ensures the installation firmness and stability, and the assembly is simple and convenient, and easy to operate.

[0007] Furthermore, a vent is provided on the sealing ring, and a cutout is provided on the top of the vent. The vent is connected with the air flow channel through the cutout, and the air inlet valve is arranged in the vent. The structural design is ingenious and reasonable. The cutout realizes the connection between the vent and the air flow channel, so that the air outside the cover body can flow into the vent via the air flow channel and the cutout, and the air inlet valve is also arranged in the vent. The air just pushes the air inlet valve, so that the cutout of the air inlet valve opens, and air enters into the tank body, so that the internal and external air pressures of the tank body are balanced, which prevents the lid from being sucked and unable to be opened, and is more convenient for practical use.

[0008] Furthermore, the intake valve includes at least two valve flaps, which are combined to form a V-shaped structure, and the intake valve and the sealing ring are an integrally formed structure. The structural design is ingenious and reasonable. The structure formed by the valve flap combination preferably adopts a V-shaped design. The V-shaped design can increase the valve flap opening, thereby reducing the intake resistance, allowing the airflow to pass more smoothly, and multiple valve flaps are provided on the intake valve, and incisions are formed between adjacent valve flaps. The incisions are closed and sealed under normal conditions. When the valve flap is pushed, the incisions will open to achieve the conduction and opening of the intake valve. At the same time, the sealing ring and the intake valve adopt an integrally formed structural design, and the structural design is more compact and reasonable, which further optimizes the structure, reduces the number of parts and assembly steps, and effectively reduces the production cost. The integrally formed structure makes the sealing ring and the intake valve a whole, thereby enhancing the overall structural stability and strength.

[0009] Furthermore, the cover body includes a screw cap and an inner component, the inner component is fixedly arranged on the inner side of the screw cap, a hollow cavity is formed between the inner component and the screw cap, a limiting ring groove is arranged on the inner component, the sealing ring is clamped in the limiting ring groove, the screw cap and the inner component are combined to form the cover body, which effectively ensures the structural stability and strength of the cover body. At the same time, a hollow cavity is formed between the inner component and the screw cap. The hollow cavity design can effectively block heat transfer and has good thermal insulation effect. The design of the limiting ring groove can facilitate the installation and clamping between the sealing ring and the inner component. The design is reasonable, and the installation and disassembly are convenient and simple.

[0010] Furthermore, a butt protrusion is provided at the bottom end of the screw cap, and when the cover body is connected and fixed to the tank body, the butt protrusion abuts against the outer wall of the tank body, so that a gap channel one is formed between the bottom end of the screw cap and the outer side of the tank body, and at the same time, a gap channel two is formed between the inner side of the screw cap and the outer side of the tank body, a gap channel three is formed between the outer side of the inner component and the top of the tank body, and a gap channel four is formed between the outer side of the inner component and the inner side of the tank body. Gap channel four is connected with the incision, and gap channel one, gap channel two, gap channel three, and gap channel four are connected in sequence to form an airflow channel. The overall structural design is compact and reasonable, and a plurality of butt protrusions are provided, and the plurality of butt protrusions are evenly distributed along the circumference of the bottom surface of the screw cap, so that after the cover body and the tank body are assembled, a gap channel one is formed between the bottom surface of the screw cap and the tank body, and then cooperates with gap channel two, gap channel three, and gap channel four formed between the inside of the cover body and the tank body to form a complete airflow channel. The airflow path is reasonable, so that air can flow smoothly from the airflow channel to the intake valve.

[0011] Furthermore, the inner component and the screw cap are fixed by ultrasonic welding, which can effectively ensure the firmness and reliability of the connection between the inner component and the screw cap. Ultrasonic welding is energy-saving and environmentally friendly, and the cover body after welding is of high quality and easy to operate.

[0012] Furthermore, a thread segment one is provided on the inner wall of the screw cap, and a thread segment two is provided on the outer wall of the tank body. The thread segment one and the thread segment two are screwed together to realize the threaded fixation of the screw cap and the tank body. The structural design is ingenious and reasonable. The threaded screw connection can ensure the tightness and reliability of the connection between the cover body and the tank body, and the operation is also convenient. At the same time, the inner and outer threads of the threaded connection are both designed with thread segments, so that a spacing gap can be formed between the thread segments to ensure the connectivity of the gap channel two.

[0013] Furthermore, the sealing ring is provided with a deformation groove and an opening, the structural design is ingenious and reasonable, and the design of the deformation groove and the opening can facilitate the installation and disassembly of the sealing ring.

[0014] Furthermore, the tank body includes an outer shell layer and an inner shell layer of an integrally formed structure, and a vacuum layer is formed between the outer shell layer and the inner shell layer. The tank body adopts a double-layer structure design of the outer shell layer and the inner shell layer, so that a vacuum layer is formed between the two, thereby making the tank body have a better thermal insulation effect, and can also play an anti-scalding function, thereby improving safety in use.

[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0016] The structural design of the utility model is ingenious and reasonable with strong practicality. When the air pressure inside the tank body is lower than the external standard air pressure, air can flow into the air intake valve from the air flow channel to push the air intake valve open, thereby maintaining the air pressure balance inside and outside the tank body, which is convenient for opening the cover body. In the present application, the air intake valve is directly arranged on the sealing ring, and the air intake valve and the sealing ring are integrated to optimize the overall structure. There is no need to design opening holes on the surface of the cover body, which maintains the integrity and smoothness of the cover body, makes it easier to clean the surface of the cover body, and also ensures the overall aesthetic appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the structure of an anti-sucking stewing pot of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal cross-sectional structure of the utility model;

[0020] Figure 3 for Figure 2 A schematic diagram of the local enlarged structure at position I in the middle;

[0021] Figure 4 This is a schematic diagram of the structure of the bottom cover in the utility model;

[0022] Figure 5 for Figure 4 Schematic diagram of the internal cross-sectional structure;

[0023] Figure 6 It is a structural schematic diagram of the tank body in the utility model;

[0024] Figure 7 for Figure 6 Schematic diagram of the internal cross-sectional structure;

[0025] Figure 8 This is a schematic diagram of the structure of the cover body and the sealing ring after being assembled in the utility model;

[0026] Fig. 9 for Figure 8 Schematic diagram of the internal cross-sectional structure;

[0027] Fig.10 It is a structural schematic diagram of the cover body in the utility model;

[0028] Fig.11 for Fig.10 Schematic diagram of the internal cross-sectional structure;

[0029] Fig.12 This is a schematic diagram of the structure of the sealing ring and the intake valve integrated in the utility model;

[0030] Fig.13 for Fig.12 A schematic diagram of the structure from another perspective;

[0031] Fig.14 for Fig.12 Schematic diagram of the internal cross-section structure.

[0032] In the figure: 1-tank body; 2-cover body; 3-air flow channel; 4-sealing ring; 5-inlet valve; 6-bottom cover; 7-buckle part; 8-buckle groove; 9-vent; 10-incision; 11-screw cover; 12-inner member; 13-hollow cavity; 14-limiting ring groove; 15-butt protrusion; 16-gap channel one; 17-gap channel two; 18-gap channel three; 19-gap channel four; 20-thread segment one; 21-thread segment two; 22-deformation groove; 23-opening; 24-outer shell layer; 25-inner shell layer; 26-vacuum layer. DETAILED DESCRIPTION

[0033] like Figures 1 to 14 As shown, the utility model is an anti-sucking stew pot, comprising a pot body 1, a cover body 2 and a sealing ring 4. The cover body 2 is connected to the pot body 1, and an air flow channel 3 for air to enter the cover body 2 is formed between the two. The sealing ring 4 is sealed between the cover body 2 and the pot body 1. The sealing ring 4 is sealed with the inner wall of the pot body 1 by side pressure to ensure the tightness and reliability of the connection between the cover body 2 and the pot body 1. The sealing ring 4 is integrated with an air intake valve 5 and is in a closed state. When the air pressure inside the pot body 1 is lower than the standard air pressure outside, air enters from the air flow channel 3 to push the incision of the air intake valve 5 to open, so that the inside of the pot body 1 is filled with air. The air pressure on the outside is balanced; the structural design is ingenious and reasonable, and it is highly practical. When the air pressure inside the tank body 1 is lower than the external standard air pressure, air can flow into the air intake valve 5 from the air flow channel 3, so that the air intake valve 5 opens, thereby maintaining the air pressure balance inside and outside the tank body 1, which is convenient for opening the cover body 2. In this application, the air intake valve 5 is directly arranged on the sealing ring 4, and the air intake valve 5 is integrated with the sealing ring 4 to optimize the overall structure. There is no need to design an opening on the surface of the cover body 2, so as to maintain the integrity and smoothness of the cover body 2, make it easier to clean the surface of the cover body 2, and also ensure the overall aesthetic appearance.

[0034] The anti-sucking stewing pot also includes a bottom cover 6, which is arranged at the bottom of the tank body 1, and a buckle ring portion 7 is provided on the bottom cover 6, and a buckle ring groove 8 is provided on the tank body 1. The buckle ring portion 7 is clamped in the buckle ring groove 8 to realize the buckle connection between the bottom cover 6 and the tank body 1. The bottom cover 6 can increase the overall structural stability and reliability of the entire stewing pot, and provide a stable support for the entire stewing pot, so that the placement of the stewing pot is more stable and reliable. At the same time, the bottom cover 6 can also play a certain role in heat insulation protection, reduce the heat transfer at the bottom of the stewing pot, and make the stewing pot have better thermal insulation effect and be more convenient and safe to use. The buckle ring portion 7 and the buckle ring groove 8 can be used to buckle and install the bottom cover 6 and the tank body 1, effectively ensuring the installation firmness and stability, and the assembly is simple and convenient, and easy to operate.

[0035] A vent 9 is provided on the sealing ring 4, and a cutout 10 is provided on the top of the vent 9. The vent 9 is connected with the air flow channel 3 through the cutout 10, and the air inlet valve 5 is arranged in the vent 9. The structural design is ingenious and reasonable. The cutout 10 realizes the connection between the vent 9 and the air flow channel 3, so that the air on the outside of the cover body 2 can flow into the vent 9 through the air flow channel 3 and the cutout 10. The vent 9 is connected with the inside of the tank body 1, but the air inlet valve 5 is also arranged in the vent 9. Under normal circumstances, the air inlet valve 5 is in a closed state to separate the vent 9 from the tank body 1. When the air pressure inside the tank body 1 is lower than the standard air pressure outside, the air just pushes the air inlet valve 5, so that the cutout 10 of the air inlet valve 5 opens, and air enters the tank body 1, so that the internal and external air pressures of the tank body 1 are balanced, avoiding the lid from being sucked and unable to be opened, which is more convenient for practical use. The sealing ring 4 is provided with a deformation groove 22 and an opening 23 , and the structural design is ingenious and reasonable. The design of the deformation groove 22 and the opening 23 can facilitate the installation and disassembly of the sealing ring 4 .

[0036] The intake valve 5 includes at least two valve flaps, which are combined to form a V-shaped structure, and the intake valve 5 and the sealing ring 4 are an integrally formed structure. The structural design is ingenious and reasonable. The structure formed by the valve flap combination preferably adopts a V-shaped design. The V-shaped design can increase the valve flap opening, thereby reducing the intake resistance, allowing the airflow to pass more smoothly, and multiple valve flaps are provided on the intake valve 5, and an incision 10 is formed between adjacent valve flaps. The incision 10 is closed and sealed under normal conditions. When the valve flap is pushed, the incision 10 will open to realize the conduction and opening of the intake valve. At the same time, the sealing ring 4 and the intake valve 5 adopt an integrally formed structural design. The structural design is more compact and reasonable, further optimizes the structure, reduces the number of parts and assembly steps, and effectively reduces the production cost. The integrally formed structure makes the sealing ring 4 and the intake valve 5 a whole, thereby enhancing the overall structural stability and strength.

[0037] The cover body 2 includes a rotary cover 11 and an inner component 12. The inner component 12 is fixedly arranged on the inner side of the rotary cover 11. A hollow cavity 13 is formed between the inner component 12 and the rotary cover 11. A limiting ring groove 14 is arranged on the inner component 12. The sealing ring 4 is clamped in the limiting ring groove 14. The rotary cover 11 and the inner component 12 are combined to form the cover body 2, which effectively ensures the structural stability and strength of the cover body 2. At the same time, a hollow cavity 13 is formed between the inner component and the rotary cover 11. The design of the hollow cavity 13 can effectively block heat transfer and has good heat insulation effect. The design of the limiting ring groove 14 can facilitate the installation and clamping between the sealing ring 4 and the inner component 12. The design is reasonable and the installation and disassembly are convenient and simple.

[0038] The bottom end of the screw cap 11 is provided with a butt protrusion 15. When the cover body 2 is connected and fixed to the tank body 1, the butt protrusion 15 abuts against the outer wall of the tank body 1, so that a gap channel 16 is formed between the bottom end of the screw cap 11 and the outer side of the tank body 1, and a gap channel 2 17 is formed between the inner side of the screw cap 11 and the outer side of the tank body 1, a gap channel 3 18 is formed between the outer side of the inner component 12 and the top of the tank body 1, and a gap channel 4 19 is formed between the outer side of the inner component and the inner side of the tank body 1. The gap channel 4 19 is connected to the incision 10. The gap channel 16, the gap channel 2 17, the gap channel 3 18, and the gap channel 4 19 are connected in sequence. An air flow channel 3 is formed, and the overall structural design is compact and reasonable. A plurality of anti-protrusions 15 are provided, and the plurality of anti-protrusions 15 are evenly distributed along the circumference of the bottom surface of the screw cap 11. After the cover body 2 and the tank body 1 are assembled, a spacing space is left between adjacent anti-protrusions 15 and the tank body, so that a gap channel 16 is formed between the bottom surface of the screw cap 11 and the tank body 1, and then a gap channel 2 17, a gap channel 3 18, and a gap channel 4 19 formed between the inside of the cover body 2 and the tank body 1 are formed to form a complete air flow channel 3. The flow path of the air flow is reasonable, so that the air can flow smoothly from the air flow channel 3 to the intake valve 5.

[0039] The inner member 12 and the rotary cover 11 are fixed by ultrasonic welding, which can effectively ensure the firmness and reliability of the connection between the inner member 12 and the rotary cover 11. Ultrasonic welding is energy-saving and environmentally friendly. The welded cover body 2 is of high quality and easy to operate.

[0040] A threaded segment 1 20 is provided on the inner wall of the screw cap 11, and a threaded segment 21 is provided on the outer wall of the tank body 1. The threaded segment 1 20 and the threaded segment 21 are screwed together to realize the threaded fixation of the screw cap 11 and the tank body 1. The structural design is ingenious and reasonable. The threaded screw connection can ensure the tightness and reliability of the connection between the cover body 2 and the tank body 1, and the operation is also convenient. At the same time, the inner and outer threads of the threaded connection are designed with threaded segments, so that a spacing gap can be formed between the threaded segments to ensure the connectivity of the gap channel 2 17.

[0041] The tank body 1 includes an outer shell layer 24 and an inner shell layer 25 of an integrally formed structure, and a vacuum layer 26 is formed between the outer shell layer 24 and the inner shell layer 25. The tank body 1 adopts a double-layer structure design of the outer shell layer 24 and the inner shell layer 25, so that a vacuum layer 26 is formed between the two, thereby making the tank body 1 have a better heat preservation effect, and can also play an anti-scalding function, thereby improving safety in use.

[0042] The structural design of the utility model is ingenious and reasonable, and has strong practicality. When the internal air pressure of the tank body 1 is lower than the external standard air pressure, air can flow into the air intake valve 5 from the air flow channel 3, so that the air intake valve 5 opens, thereby maintaining the air pressure balance inside and outside the tank body 1, which is convenient for opening the cover body 2. In this application, the air intake valve 5 is directly set on the sealing ring 4, and the air intake valve 5 and the sealing ring 4 are integrated to optimize the overall structure. There is no need to design a hole on the surface of the cover body 2, so as to maintain the integrity and smoothness of the cover body 2, and it is more convenient to clean the surface of the cover body 2, and the overall appearance can also be guaranteed. The sealing ring 4 and the air intake valve 5 adopt an integrated molding structure design, and the structural design is more compact and reasonable. The structure is further optimized, the number of parts and assembly steps are reduced, and the production cost is effectively reduced. At the same time, the integrated molding structure makes the sealing ring 4 and the air intake valve 5 a whole, which can enhance the stability and strength of the overall structure.

[0043] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A suction-proof stewing pot, characterized in that include: Tank; A cover body, the cover body is connected to the tank body, and an air flow channel is formed between the cover body for air to enter the cover body; A sealing ring, the sealing ring is sealingly arranged between the cover body and the tank body, and an air inlet valve is integrated on the sealing ring and is in a closed state; When the air pressure inside the tank body is lower than the standard air pressure outside, air enters from the air flow channel and pushes the incision of the air inlet valve to open, thereby achieving air pressure balance between the inside and outside of the tank body.

2. The anti-sucking stew pot according to claim 1, characterized in that: It also includes a bottom cover, which is arranged at the bottom of the tank body. The bottom cover is provided with a buckle ring portion, and the tank body is provided with a buckle ring groove. The buckle ring portion is snapped into the buckle ring groove to achieve buckling between the bottom cover and the tank body.

3. The anti-sucking stew pot according to claim 1, characterized in that: The sealing ring is provided with a vent hole, a cutout is provided at the top of the vent hole, the vent hole is connected with the air flow channel through the cutout, and the air intake valve is arranged in the vent hole.

4. The anti-sucking stew pot according to claim 1, characterized in that: The air intake valve comprises at least two valve flaps, the valve flaps are combined to form a V-shaped structure, and the air intake valve and the sealing ring are an integrally formed structure.

5. The anti-sucking stew pot according to claim 1, characterized in that: The cover body comprises a rotary cover and an inner member, wherein the inner member is fixedly arranged on the inner side of the rotary cover, a hollow cavity is formed between the inner member and the rotary cover, a limiting ring groove is arranged on the inner member, and the sealing ring is clamped in the limiting ring groove.

6. The anti-sucking stew pot according to claim 5, characterized in that: The bottom end of the screw cap is provided with a butt protrusion. When the cover body is connected and fixed to the tank body, the butt protrusion abuts against the outer wall of the tank body, so that a gap channel one is formed between the bottom end of the screw cap and the outer side of the tank body, and a gap channel two is formed between the inner side of the screw cap and the outer side of the tank body, a gap channel three is formed between the outer side of the inner component and the top end of the tank body, and a gap channel four is formed between the outer side of the inner component and the inner side of the tank body. The gap channels one, two, three and four are connected in sequence to form the airflow channel.

7. The anti-sucking stew pot according to claim 5, characterized in that: The inner component and the screw cap are fixed by ultrasonic welding.

8. The anti-sucking stew pot according to claim 5, characterized in that: A first thread segment is arranged on the inner side wall of the screw cap, and a second thread segment is arranged on the outer side wall of the tank body. The first thread segment is screwed together with the second thread segment to achieve threaded fixation of the screw cap and the tank body.

9. The anti-sucking stew pot according to claim 1, characterized in that: The sealing ring is provided with a deformation groove and an opening.

10. The anti-sucking stew pot according to claim 1, characterized in that: The tank body comprises an outer shell layer and an inner shell layer of an integrally formed structure, and a vacuum layer is formed between the outer shell layer and the inner shell layer.

Citation Information

Patent Citations

  • Smoldering tank

    CN213139763U