Screwing type pressure cooker

Abstract

The utility model discloses a screwing type pressure cooker which relates to the field of cooking utensils and comprises a cooker cover assembly and a cooker body assembly, the cooker cover assembly comprises a cover body, a positioning panel connected to the cover body and a driving piece fixedly connected to the cover body, and the cover body can rotate relative to the positioning panel; the pot body assembly comprises a body, a plurality of pot teeth are arranged on the body in the circumferential direction of the body, a plurality of cover teeth are arranged on the cover body in the circumferential direction of the cover body, the cover teeth and the pot teeth are buckled in a rotating mode so that the cover body can be locked on the body, and the cover teeth are driven by the rotating driving piece to rotate to be buckled with or disengaged from the pot teeth; the positioning panel comprises a positioning plate, a trigger piece is arranged on the body, the positioning plate is provided with a locking position for limiting rotation of the cover body and an unlocking position for allowing the cover body to rotate, under the condition that the cover body covers the body, the trigger piece drives the positioning plate to move from the locking position to the unlocking position, and under the condition that the cover body leaves the body, the positioning plate is located at the locking position. The pot cover assembly is convenient to install and simple in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking utensils, in particular to a screw-on pressure cooker. Background Art

[0002] A screw-on pressure cooker is a kitchen appliance that uses high-pressure steam to speed up the cooking process. The pot body and the lid are combined to form a sealed space. Its characteristic is that by increasing the pressure in the pot, the boiling point of water is increased, thereby achieving high-temperature cooking and greatly improving cooking efficiency.

[0003] In the related art, the lid of the screw-on pressure cooker is provided with cover teeth, and the pot body is provided with pot teeth. The lid and the pot teeth are accurately aligned and screwed together, and a good sealing effect is formed through a specific structural design and matching mechanism. However, when the lid is closed on the pot body, the pot teeth and the lid teeth are often not accurately aligned and screwed together, making installation inconvenient. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art to a certain extent. To this end, the utility model provides a screw-on pressure cooker, which has the advantages of easy installation of a pot cover assembly and simple structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A screw-on pressure cooker comprises a pot cover assembly and a pot body assembly, wherein the pot cover assembly comprises a cover body, a positioning panel connected to the cover body and a driving member fixed to the cover body, wherein the cover body can rotate relative to the positioning panel; the pot body assembly comprises a body, wherein the body is provided with a plurality of pot teeth along its circumference, and the cover body is provided with a plurality of cover teeth along its circumference, wherein the cover teeth are engaged with the pot teeth by rotation so that the cover body is locked on the body, and the cover teeth are driven to rotate to engage with or disengage from the pot teeth by rotating the driving member; the positioning panel comprises a positioning plate, wherein a trigger member is provided on the body, and the positioning plate has a locking position for limiting the rotation of the cover body and an unlocking position for allowing the cover body to rotate, wherein when the cover body is covered on the body, the trigger member drives the positioning plate to move from the locking position to the unlocking position, and when the cover body leaves the body, the positioning plate is in the locking position.

[0007] In the present application, the pot cover assembly is mainly composed of a cover body, a positioning panel and a driving member. The cover body can rotate relative to the positioning panel, which makes it possible to open and close the cover body. The pot body assembly mainly includes a body, and a plurality of pot teeth are arranged around the body. The pot teeth correspond to the cover teeth on the cover body, and the cover body is locked by rotating and snapping. The driving member is fixedly connected to the cover body, and the cover teeth can be driven to rotate by rotating the driving member, so that they can snap or disengage with the pot teeth. A positioning plate is provided on the positioning panel, and the positioning plate has two states: a locked position and an unlocked position. When in the locked position, the positioning plate will limit the rotation of the cover body to ensure that the cover body is in a locked state; while in the unlocked position, the cover body can rotate freely. A trigger is provided on the body, and when the cover body is covered on the body, the trigger drives the positioning plate to move from the locked position to the unlocked position, thereby allowing the cover body to rotate for opening and closing operations. When the cover is separated from the main body, the positioning plate will automatically return to the locked position to prevent the cover from rotating at will, ensuring that the cover maintains its relative position with the positioning panel after it is separated from the main body, ensuring that the cover teeth and the pot teeth are in a staggered state when the cover is placed on the main body next time, avoiding that the cover teeth and the pot teeth cannot be accurately aligned and screwed together, making the installation of the pot cover assembly more convenient. In addition, the pot cover assembly in the present application has a simple structure, which greatly simplifies the structure of components such as the positioning panel while ensuring accurate alignment, thereby reducing production costs.

[0008] Optionally, the positioning panel includes a shell, and the positioning plate is movably arranged in the shell; an elastic member is arranged between the positioning plate and the inner wall of the shell, and the elastic member enables the positioning plate to maintain a movement tendency from the unlocking position to the locking position.

[0009] Optionally, the shell is formed with a mounting tube, the driving member is connected to the cover body through the mounting tube, and a clearance hole is formed on the mounting tube to allow the positioning plate to pass through; a positioning groove is opened on the surface of the driving member, and in the locked position, the positioning plate passes through the clearance hole under the action of the elastic member and extends into the positioning groove to lock the driving member, and in the unlocked position, the positioning plate abuts against the trigger member and the trigger member forces the positioning plate to leave the positioning groove.

[0010] Optionally, the positioning plate includes a main beam for locking the driving member and a secondary beam for abutting the trigger member, a first guide slope is provided at the bottom of the secondary beam, and a second guide slope matching the first guide slope is provided at the top of the trigger member.

[0011] Optionally, the secondary beam side wall is provided with a receiving groove extending along the thickness direction of the secondary beam, the elastic member is arranged in the receiving groove, one end of the elastic member abuts against the bottom wall of the receiving groove, and the other end abuts against the inner side wall of the shell.

[0012] Optionally, the cover body is provided with a positioning pin extending toward the driving member. In the locked position, the positioning plate moves in a direction away from the inner top wall of the shell under the action of the elastic member, and the bottom surface of the positioning plate is lower than the top surface of the positioning pin so that the positioning plate blocks the rotation of the cover body. In the unlocked position, the positioning plate abuts against the trigger member and moves in a direction close to the inner top wall of the shell under the action of the trigger member, and the bottom surface of the positioning plate is higher than the top surface of the positioning pin.

[0013] Optionally, the positioning plate includes a main beam for locking the driving member and a secondary beam for abutting the trigger member, the secondary beam is provided with a receiving groove extending along the height direction of the secondary beam, the elastic member is arranged in the receiving groove, one end of the elastic member abuts against the bottom wall of the receiving groove, and the other end abuts against the inner top wall of the shell.

[0014] Optionally, the shell body is formed with an arc-shaped guide groove, and the cover body is provided with a guide member extending into the guide groove, and the length of the guide groove is consistent with the length of the pot teeth.

[0015] Optionally, at least one positioning seat is disposed on a side edge of the main body, and the trigger member is disposed on a surface of the positioning seat.

[0016] Optionally, a safety valve is provided through the cover body, and a valve hole corresponding to the position of the safety valve is opened on the positioning panel. When the pressure in the body exceeds a preset value, the safety valve moves into the valve hole.

[0017] These features and advantages of the utility model will be disclosed in detail in the following specific embodiments and drawings. The best implementation or means of the utility model will be fully presented in conjunction with the drawings, but it is not a limitation of the technical solution of the utility model. In addition, these features, elements and components appearing in each of the following texts and drawings are multiple, and are marked with different symbols or numbers for convenience, but all represent components with the same or similar structure or function. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0020] Figure 2 for Figure 1 Explosion diagram of

[0021] Figure 3 for Figure 1 A cross-sectional view of

[0022] Figure 4It is an exploded schematic diagram of a part of the structure in the embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the cooperation between the trigger member and the positioning plate;

[0024] Figure 6 This is an exploded schematic diagram of another embodiment of the utility model;

[0025] Figure 7 A cross-sectional view of a part of another embodiment of the utility model;

[0026] Figure 8 This is a cross-sectional view from a top view of another embodiment of the present invention.

[0027] Among them, 1. pot cover assembly; 11. cover body; 111. cover teeth; 112. positioning pin; 113. guide member; 12. positioning panel; 121. positioning plate; 1211. main beam; 1212. secondary beam; 1212a. first guide slope; 122. shell; 1221. mounting tube; 1222. guide groove; 123. elastic member; 124. valve hole; 13. driving member; 131. positioning groove; 14. safety valve; 2. pot body assembly; 21. main body; 211. pot teeth; 212. trigger member; 2121. second guide slope; 213. positioning seat. DETAILED DESCRIPTION

[0028] The following is a detailed description of embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments in the implementation manner are intended to be used to explain the present invention and should not be construed as limiting the present invention.

[0029] References in this specification to "one embodiment" or "an example" or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment itself may be included in at least one embodiment of the present patent disclosure. The appearance of the phrase "in one embodiment" in various places in the specification does not necessarily refer to the same embodiment.

[0030] Example:

[0031] like Figures 1 to 3As shown, this embodiment provides a screw-on pressure cooker, comprising a pot cover assembly 1 and a pot body assembly 2, wherein the pot cover assembly 1 comprises a lid body 11, a positioning panel 12 connected to the lid body 11, and a driving member 13 fixed to the lid body 11, wherein the lid body 11 can rotate relative to the positioning panel 12; the pot body assembly 2 comprises a body 21, wherein the body 21 is provided with a plurality of pot teeth 211 along its circumference, and the lid body 11 is provided with a plurality of cover teeth 111 along its circumference, wherein the cover teeth 111 and the pot teeth 211 are engaged with each other by rotation so that the lid body 11 is locked on the body 21 , the cover teeth 111 are driven to rotate to engage with or disengage from the pot teeth 211 by the rotating driving member 13; the positioning panel 12 includes a positioning plate 121, and a trigger member 212 is provided on the main body 21. The positioning plate 121 has a locking position for limiting the rotation of the cover body 11 and an unlocking position for allowing the cover body 11 to rotate. When the cover body 11 is covered on the main body 21, the trigger member 212 drives the positioning plate 121 to move from the locking position to the unlocking position. When the cover body 11 leaves the main body 21, the positioning plate 121 is in the locking position.

[0032] In the present embodiment, a screw-on pressure cooker is provided, which includes a pot cover assembly 1 and a pot body assembly 2, wherein the pot cover assembly 1 and the pot body assembly 2 are combined to form a sealed space for cooking. The pot cover assembly 1 includes a driving member 13, a positioning panel 12 and a cover body 11 having a cover tooth 111 which are stacked in sequence, and the pot body assembly 2 includes a main body 21 having a pot tooth 211, and the pot tooth 211 and the cover tooth 111 are screwed together to form a good sealing effect. In addition, a sealing ring is also arranged between the cover body 11 and the main body 21. In addition, the cover body 11 and the driving member 13 are fixedly connected by fasteners such as bolts and screws, and the cover body 11 can be rotated relative to the positioning panel 12 to adjust the position of the cover tooth 111 relative to the pot tooth 211, that is, the user can rotate the cover body 11 by rotating the driving member 13, and then adjust the position of the cover tooth 111. Specifically, when installing the cover body 11, first make the cover teeth 111 and the pot teeth 211 in a staggered relative position, then rotate the cover body 11 by the driving member 13, so that the cover teeth 111 are engaged with the pot teeth 211, and the cover body 11 is locked on the body 21. When it is necessary to remove the cover body 11 from the body 21, rotate the cover body 11 again to disengage the cover teeth 111 from the pot teeth 211, and the cover teeth 111 and the pot teeth 211 are in a staggered position again. The positioning panel 12 includes a positioning plate 121 for positioning the cover body 11 and the rotating member, and a trigger member 212 that cooperates with the positioning plate 121 is provided on the body 21. The positioning plate 121 has a locking position for limiting the rotation of the cover body 11 and an unlocking position for allowing the cover body 11 to rotate. When the cover 11 is placed on the body 21, the trigger 212 contacts the positioning plate 121 and drives the positioning plate 121 to move from the locked position to the unlocked position, that is, when the cover 11 is placed on the body 21, the positioning plate 121 no longer interferes with the rotation of the cover 11, and the cover 11 can adjust the position of the cover teeth 111 by rotation. When the cover 11 leaves the body 21, the positioning plate 121 is in the locked position, and the cover 11 cannot rotate at this time, that is, the positioning plate 121 interferes with the rotation of the cover 11, and the cover 11 and the positioning panel 12 remain relatively still. Therefore, when the cover 11 is placed on the body 21, the positioning plate 121 is in the unlocked position, and the cover 11 can adjust the position of the cover teeth 111 by rotation, so that the cover teeth 111 and the pot teeth 211 are engaged or disengaged. When the cover 11 leaves the body 21, the positioning plate 121 is in a locked position, so that the cover 11 can no longer rotate at will, ensuring that the cover 11 maintains a relative position with the positioning panel 12 after leaving the body 21, ensuring that the cover teeth 111 and the pot teeth 211 are in a staggered state when the cover 11 is placed on the body 21 next time, avoiding that the cover teeth 111 and the pot teeth 211 cannot be accurately aligned and screwed together, making it more convenient to combine the pot cover assembly 1 and the pot body assembly 2. When the cover teeth 111 are not screwed into place relative to the pot teeth 211, the exhaust part of the pot cover sealing ring is lifted up and drives the body 21 to deform, so that an exhaust gap is generated between the cover 11 and the body 21, and the cooking cavity cannot be normally pressurized, affecting the safety of the pressure cooker.It should be noted that the trigger member 212 can abut against the positioning plate 121 only when the cover 11 is covered on the main body 21 , and the trigger member 212 and the positioning plate 121 no longer interfere with each other after the cover 11 leaves the main body 21 .

[0033] Specifically, the pot teeth 211 are located at the mouth of the body 21 and protrude from the body 21. The pot teeth 211 can be an annular or spiral convex structure for matching with the cover teeth 111. These convex structures help to increase the contact area between the pot teeth 211 and the cover teeth 111, thereby enhancing the sealing effect. The cover teeth 111 are located at the edge of the cover body 11, and the shape matches the pot teeth 211, presenting a concave or groove-shaped structure. It should be noted that the present application does not limit the specific shapes of the cover teeth 111 and the pot teeth 211. When the cover body 11 is rotated onto the body 21, the cover teeth 111 will be tightly fitted with the pot teeth 211 to ensure seamless docking between the two. This matching method is similar to threaded matching, and the pot teeth 211 and the cover teeth 111 are tightly combined through the rotation action to form an effective sealing barrier. In actual operation, the user can rotate the cover body 11 to gradually screw the cover teeth 111 with the pot teeth 211. When the two are fully matched, a clear "click" sound can be heard or a certain resistance can be felt, which indicates that the pot teeth 211 and the cover teeth 111 have been tightly connected and the pressure cooker is in a sealed state. This design not only ensures the sealing performance of the pressure cooker, but also improves its structural stability and durability. At the same time, by reasonably adjusting the shape and size of the pot teeth 211 and the cover teeth 111, the sealing effect of the screw-on pressure cooker and the convenience of the opening and closing operation can be further optimized.

[0034] like Figure 3 and Figure 4 As shown, the positioning panel 12 includes a shell 122, and the positioning plate 121 is movably arranged in the shell 122; an elastic member 123 is arranged between the positioning plate 121 and the inner wall of the shell 122, and the elastic member 123 enables the positioning plate 121 to maintain a movement tendency from the unlocked position to the locked position.

[0035] In this embodiment, the positioning panel 12, as a part of the screw-on pressure cooker, plays a key role in the screw-on process of the body 21 and the cover 11, and can ensure that the pot body assembly 2 and the cover 11 assembly are accurately and stably locked together to form a good sealing effect. The housing 122 provides a stable support and moving space for the positioning plate 121, and the positioning plate 121 is a key component movably arranged in the housing 122, which can be adjusted accordingly according to the screw-on state of the pot body and the cover 11. The main function of the elastic member 123 is to provide a continuous driving force to the positioning plate 121, so that it maintains a trend of moving from the unlocked position to the locked position. Specifically, the elastic member 123 can be a spring.

[0036] In this embodiment, the shell 122 is formed with a mounting tube 1221, and the driving member 13 is connected to the cover body 11 through the mounting tube 1221, and a clearance hole allowing the positioning plate 121 to pass through is formed on the mounting tube 1221; a positioning groove 131 is opened on the surface of the driving member 13, and in the locked position, the positioning plate 121 passes through the clearance hole under the action of the elastic member 123 and extends into the positioning groove 131 to lock the driving member 13, and in the unlocked position, the positioning plate 121 abuts against the trigger member 212 and the trigger member 212 forces the positioning plate 121 to leave the positioning groove 131.

[0037] As an embodiment, the driving member 13 can be fixed and positioned by the mounting tube 1221, thereby ensuring a stable connection between it and the cover body 11, so that the driving member 13 can effectively control the movement of the cover body 11, and realize the screwing and unlocking with the main body 21. The clearance hole allows the positioning plate 121 to pass through, so that the positioning plate 121 can interact with the driving member 13, so that the positioning plate 121 can be flexibly moved between different positions, and the locking and unlocking functions are realized. When in the locked position, the positioning plate 121 passes through the clearance hole under the action of the elastic member 123, and extends into the positioning groove 131 on the surface of the driving member 13. In this way, the positioning plate 121 locks the driving member 13 in a physical manner, preventing the driving member 13 and the pot cover from accidentally moving or rotating, and ensuring that the cover teeth 111 and the pot teeth 211 can remain staggered when the pot cover assembly 1 is used next time. In the unlocked position, the positioning plate 121 abuts against the trigger member 212. It should be noted that the trigger member 212 can abut against the positioning plate 121 only when the cover 11 is covered on the body 21. The trigger member 212 applies a certain force to force the positioning plate 121 to leave the positioning groove 131. At this time, the positioning plate 121 no longer restricts the movement of the driving member 13, and the cover 11 can also rotate relative to the positioning panel 12 under the drive of the driving member 13 (the positioning panel 12 remains stationary).

[0038] It should be noted that the inner surface of the mounting cylinder 1221 is provided with an annular or arc-shaped boss structure, and the surface of the rotating part is also provided with a similar boss structure. After the rotating part and the mounting cylinder 1221 are assembled, the boss on the rotating part is arranged below the boss on the mounting cylinder 1221 to prevent the rotating part from falling off the positioning panel 12.

[0039] like Figure 5 As shown, the positioning plate 121 includes a main beam 1211 for locking the driving member 13 and a secondary beam 1212 for abutting against the triggering member 212, a first guide slope 1212a is arranged at the bottom of the secondary beam 1212, and a second guide slope 2121 cooperating with the first guide slope 1212a is arranged at the top of the triggering member 212.

[0040] In this embodiment, the positioning plate 121 adopts the structural design of the main beam 1211 and the secondary beam 1212, which enhances the strength of the positioning plate 121 and optimizes the interaction between it and the trigger member 212. The main beam 1211 and the secondary beam 1212 can be set as an integral body or separately. When the positioning plate 121 is in the locked position, the main beam 1211 will extend into the positioning groove 131 on the surface of the driving member 13, thereby effectively limiting the movement of the driving member 13 and ensuring that the cover body 11 will not rotate at will. In addition, the structural design of the main beam 1211 should take into account the matching and stability with the positioning groove 131 to ensure the reliability of the locking effect. The secondary beam 1212 is used to resist the part of the trigger member 212. During the unlocking process, the trigger member 212 will contact the secondary beam 1212 and apply a force to the secondary beam 1212 away from the positioning groove 131, so that the positioning plate 121 leaves the locked position. A first guide slope 1212a is provided at the bottom of the secondary beam 1212. This design enables the trigger member 212 to apply force along the inclined surface when contacting the secondary beam 1212, thereby achieving a smooth and stable unlocking action. Accordingly, a second guiding inclined surface 2121 that matches the first guiding inclined surface 1212a is also provided at the top of the trigger member 212. This inclined surface matching design ensures that the trigger member 212 can smoothly push the secondary beam 1212 to move away from the driving member 13 when applying force, without causing jamming or excessive friction. This design not only improves the smoothness of the unlocking process, but also reduces the wear between components and prolongs the service life.

[0041] The side wall of the secondary beam 1212 is provided with a receiving groove extending in the thickness direction of the secondary beam 1212 . The elastic member 123 is arranged in the receiving groove. One end of the elastic member 123 abuts against the bottom wall of the receiving groove, and the other end abuts against the inner wall of the shell 122 .

[0042] The receiving groove extends along the thickness direction of the secondary beam 1212, providing a stable installation space for the elastic member 123. The elastic member 123 is not easy to fall off or shift, thereby ensuring the stability and reliability of its operation. When the trigger member 212 contacts the secondary beam 1212 and applies force, the elastic member 123 will be compressed and the positioning plate 121 will leave the positioning groove 131. Once the force of the trigger member 212 disappears, the elastic member 123 will quickly restore its shape and push the positioning plate 121 back to the positioning groove 131.

[0043] In other embodiments, the cover body 11 is provided with a positioning pin 112 extending toward the driving member 13. In the locked position, the positioning plate 121 moves in a direction away from the inner top wall of the shell 122 under the action of the elastic member 123, and the bottom surface of the positioning plate 121 is lower than the top surface of the positioning pin 112 so that the positioning plate 121 blocks the rotation of the cover body 11. In the unlocked position, the positioning plate 121 abuts against the trigger member 212 and moves in a direction close to the inner top wall of the shell 122 under the action of the trigger member 212, and the bottom surface of the positioning plate 121 is higher than the top surface of the positioning pin 112.

[0044] As another embodiment, Figures 6 to 8 As shown, the cover body 11 is provided with a positioning pin 112 extending toward the driving member 13, and the positioning pin 112 can be integrally provided with the cover body 11, or can be detachably connected with the cover body 11. In the locked position, the positioning plate 121 will move in a direction away from the inner top wall of the shell 122 under the action of the elastic member 123. At this time, the bottom surface of the positioning plate 121 is lower than the top surface of the positioning pin 112, and the positioning plate 121 will block the rotation of the cover body 11. In the unlocked position, the positioning plate 121 will abut against the trigger member 212, and move in a direction close to the inner top wall of the shell 122 under the action of the trigger member 212. At this time, the bottom surface of the positioning plate 121 will be higher than the top surface of the positioning pin 112, and the positioning plate 121 will no longer block the rotation of the cover body 11. It should be noted that the size and position of the positioning pin 112 and the positioning plate 121 need to be precisely designed to ensure accurate matching in the locked and unlocked positions. There is no special limitation on the type and installation method of the elastic member 123 , as long as the elastic member 123 can provide sufficient driving force and maintain a stable working state.

[0045] The positioning plate 121 includes a main beam 1211 for locking the driving member 13 and a secondary beam 1212 for abutting the contact member 212. The secondary beam 1212 is provided with a receiving groove extending along the height direction of the secondary beam 1212. The elastic member 123 is arranged in the receiving groove. One end of the elastic member 123 abuts against the bottom wall of the receiving groove, and the other end abuts against the inner top wall of the shell 122.

[0046] The positioning plate 121 includes a main beam 1211 and a secondary beam 1212. The main beam 1211 is used to lock the driving member 13, that is, the main beam 1211 is used to contact the aforementioned positioning pin 112, and the secondary beam 1212 is used to abut against the trigger member 212. The secondary beam 1212 is provided with a receiving groove extending along its height direction. The elastic member 123 is arranged in the receiving groove. The receiving groove extends along the height direction of the secondary beam 1212, providing a stable installation space for the elastic member 123, so that the elastic member 123 is not easy to fall off or shift, thereby ensuring the stability and reliability of its operation. When the trigger member 212 contacts the secondary beam 1212 and applies force, the elastic member 123 will be compressed, and the positioning plate 121 will move downward and limit the rotation of the positioning pin 112. Once the force of the trigger member 212 disappears, the elastic member 123 will quickly restore its shape and push the positioning plate 121 back to a position higher than the positioning pin 112. At this time, the positioning plate 121 no longer interferes with the rotation of the cover body 11.

[0047] The shell body 122 is formed with an arc-shaped guide groove 1222 , and the cover body 11 is provided with a guide member 113 extending into the guide groove 1222 . The length of the guide groove 1222 is consistent with the length of the pot teeth 211 .

[0048] The length of the guide groove 1222 is designed to be consistent with the length of the pot teeth 211. This means that when the cover 11 is completely locked on the body 21, the guide member 113 will move to the end of the guide groove 1222, and the cover teeth 111 will also be fully engaged with the pot teeth 211. This consistency ensures the complete sealing and fixation between the cover 11 and the body 21, and improves the use effect and safety of the pressure cooker. Specifically, the guide member 113 is a bolt. Through the cooperation of the guide groove 1222 and the guide member 113, the stability and accuracy of the cover 11 during the rotation process are significantly improved, which reduces the user's misoperation during operation, and also improves the cooperation accuracy between the pot cover assembly 1 and the pot body assembly 2, which can extend the service life of the pressure cooker.

[0049] At least one positioning seat 213 is disposed on a side of the body 21 , and the trigger member 212 is disposed on a surface of the positioning seat 213 .

[0050] In this embodiment, positioning seats 213 are disposed on both sides of the body 21 to adapt to the usage habits of different users.

[0051] The cover body 11 is provided with a safety valve 14, and the positioning panel 12 is provided with a valve hole 124 corresponding to the position of the safety valve 14. When the pressure in the body 21 exceeds a preset value, the safety valve 14 moves into the valve hole 124. At this time, the positioning panel 12 is fixed to the cover body 11, and the cover body 11 cannot rotate, so as to prevent the cover body 11 from being opened when the body is in a high pressure state.

[0052] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification that does not deviate from the functional and structural principles of the present invention shall be included in the scope of the claims.

Claims

1. A screw-on pressure cooker, comprising a cover assembly (1) and a pot body assembly (2), characterized in that: The pot cover assembly (1) comprises a cover body (11), a positioning panel (12) connected to the cover body (11) and a driving member (13) fixed to the cover body (11); the cover body (11) can rotate relative to the positioning panel (12); the pot body assembly (2) comprises a main body (21); the main body (21) is provided with a plurality of pot teeth (211) along its circumference; the cover body (11) is provided with a plurality of cover teeth (111) along its circumference; the cover teeth (111) and the pot teeth (211) are engaged with each other by rotation so that the cover body (11) is locked on the main body (21); the driving member (13) is driven by rotating the cover teeth (211) The positioning panel (12) is configured to be rotated to engage with or disengage from the pot teeth (211); the positioning panel (12) comprises a positioning plate (121); a trigger member (212) is arranged on the body (21); the positioning plate (121) has a locking position for limiting the rotation of the cover body (11) and an unlocking position for allowing the cover body (11) to rotate; when the cover body (11) is covered on the body (21), the trigger member (212) drives the positioning plate (121) to move from the locking position to the unlocking position; when the cover body (11) is separated from the body (21), the positioning plate (121) is in the locking position.

2. The screw-on pressure cooker according to claim 1, characterized in that: The positioning panel (12) comprises a shell (122), and the positioning plate (121) is movably arranged in the shell (122); an elastic member (123) is arranged between the positioning plate (121) and the inner wall of the shell (122), and the elastic member (123) enables the positioning plate (121) to maintain a movement tendency from the unlocking position to the locking position.

3. The screw-on pressure cooker according to claim 2, characterized in that: The housing (122) is formed with a mounting tube (1221), and the driving member (13) passes through the mounting tube (1221) to be connected to the cover body (11). The mounting tube (1221) is formed with a clearance hole for allowing the positioning plate (121) to pass through; a positioning groove (131) is formed on the surface of the driving member (13). In the locked position, the positioning plate (121) passes through the clearance hole under the action of the elastic member (123) and extends into the positioning groove (131) to lock the driving member (13). In the unlocked position, the positioning plate (121) abuts against the trigger member (212) and the trigger member (212) forces the positioning plate (121) to leave the positioning groove (131).

4. The screw-on pressure cooker according to claim 3, characterized in that: The positioning plate (121) comprises a main beam (1211) for locking the driving member (13) and a secondary beam (1212) for abutting the trigger member (212); a first guiding inclined surface (1212a) is arranged at the bottom of the secondary beam (1212); and a second guiding inclined surface (2121) cooperating with the first guiding inclined surface (1212a) is arranged at the top of the trigger member (212).

5. The screw-on pressure cooker according to claim 4, characterized in that: The side wall of the secondary beam (1212) is provided with a receiving groove extending in the thickness direction of the secondary beam (1212), and the elastic member (123) is arranged in the receiving groove, and one end of the elastic member (123) abuts against the bottom wall of the receiving groove, and the other end abuts against the inner side wall of the shell (122).

6. The screw-on pressure cooker according to claim 2, characterized in that: The cover body (11) is provided with a positioning pin (112) extending toward the driving member (13); in the locked position, under the action of the elastic member (123), the positioning plate (121) moves in a direction away from the inner top wall of the shell (122); the bottom surface of the positioning plate (121) is lower than the top surface of the positioning pin (112) so that the positioning plate (121) blocks the rotation of the cover body (11); in the unlocked position, the positioning plate (121) abuts against the trigger member (212) and moves in a direction close to the inner top wall of the shell (122) under the action of the trigger member (212); the bottom surface of the positioning plate (121) is higher than the top surface of the positioning pin (112).

7. The screw-on pressure cooker according to claim 6, characterized in that: The positioning plate (121) comprises a main beam (1211) for locking the driving member (13) and a secondary beam (1212) for abutting the trigger member (212); the secondary beam (1212) is provided with a receiving groove extending along the height direction of the secondary beam (1212); the elastic member (123) is arranged in the receiving groove; one end of the elastic member (123) abuts against the bottom wall of the receiving groove, and the other end abuts against the inner top wall of the shell (122).

8. The screw-on pressure cooker according to claim 2, characterized in that: The shell (122) is formed with an arc-shaped guide groove (1222), and the cover body (11) is provided with a guide member (113) extending into the guide groove (1222), and the length of the guide groove (1222) is consistent with the length of the pot teeth (211).

9. The screw-on pressure cooker according to claim 1, characterized in that: At least one positioning seat (213) is arranged on the side of the body (21), and the trigger member (212) is arranged on the surface of the positioning seat (213).

10. The screw-on pressure cooker according to claim 1, characterized in that: The cover body (11) is provided with a safety valve (14) extending therethrough, and the positioning panel (12) is provided with a valve hole (124) corresponding to the position of the safety valve (14); when the pressure in the body (21) exceeds a preset value, the safety valve (14) moves into the valve hole (124).

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