CN216020459U - Pressure cooking utensil with safe detachable cover - Google Patents

Abstract

The utility model discloses a pressure cooking appliance with safe cover disassembly, which belongs to the field of kitchen appliances and solves the problems of inconvenient disassembly and assembly of an inner cover of the existing pressure cooking appliance and the like. Above-mentioned utility model can realize the location installation of inner cup, and inner cup assembly stability is good, and difficult incline, the user can the singlehanded tear open the lid, improves the convenience in use.

Description

Pressure cooking utensil with safe detachable cover

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of kitchen appliances, in particular to a pressure cooking appliance with a safe cover dismounting function.

[ background of the utility model ]

The existing pressure cooking appliance (such as an electric pressure cooker) adopts an inner cover with a sealing ring for sealing in order to meet the pressure cooking function, and the inner cover is detachably assembled on the inner side of an upper cover of a pot cover through a clamping structure (generally two groups of buckles are used for realizing two-point clamping positioning), so that the inner cover can be detached and cleaned. When the inner cover is disassembled, a user presses the unlocking button with one hand to enable one key of the inner cover to fall off, the other hand needs to support the inner cover, otherwise, the inner cover directly falls off to pollute a table top and possibly cause deformation of the inner cover; in the culinary art in-process, because the convenience of inner cup dismouting is mainly considered to the joint structure, can reserve certain allowance for movement during the design, lead to inner cup installation back easily to produce radial deviation relative to the upper cover, the inner cup axial lead after closing the lid deviates from the inner bag axial lead, probably because the problem that local seal intensity weakens and leads to the gas leakage appears between inner cup and the inner bag courage mouth in the radial deviation of inner cup.

[ Utility model ] content

The object of the present invention is to provide a cooking appliance that at least partially solves the above mentioned technical problem.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a pressure cooking utensil with a safe cover dismounting function comprises a pot body and a pot cover, wherein the pot cover comprises an upper cover and an inner cover arranged on the inner side of the upper cover, a lifting button and a first clamping part are arranged on the inner cover, and an assembling hole is formed in the position, corresponding to the lifting button, of the inner cover; the assembly hole or be equipped with the sealing member in carrying the button, on cover and be equipped with the spliced pole, first joint portion joint the upper cover, the sealing member interference cup joints the spliced pole is in order to correct the inner cup is relative the radial off normal of upper cover

In the pressure cooking appliance with the safe cover dismounting function, the inner cover is also provided with a second clamping part for clamping the upper cover; the first clamping portion and the second clamping portion are connected with the two sides of the assembling hole.

In the above-mentioned pressure cooking appliance with a safety cover, the assembling hole is provided in the middle of the inner cover.

In the above-mentioned safety pressure cooking utensil, the assembling hole, the first clamping portion and the second clamping portion are located on the same straight line.

In the above-mentioned pressure cooking utensil with safety in cover removal, the distance between the first clamping portion and the second clamping portion is greater than the radius of the inner cover.

In the above-mentioned safety pressure cooking utensil, the inner cover is provided with the exhaust valve assembly, the exhaust valve assembly comprises a valve seat, an exhaust pipe and a heavy hammer, the exhaust pipe penetrates through the valve seat and the inner cover, the heavy hammer is buckled on the exhaust pipe, and the first clamping part is arranged on the valve seat.

In the pressure cooking appliance with the safe cover dismounting function, the upper cover is provided with a movable lock catch for clamping the second clamping part, the clamping state of the second clamping part relative to the upper cover is released by driving the movable lock catch, and when the clamping state of the second clamping part is released, the inner cover is hung on the upper cover through the sleeve joint of the assembly hole and the connecting column;

or, cover on and be equipped with the activity hasp that is used for the first joint portion of joint, through the drive activity hasp so that first joint portion is relative the joint state is relieved to the upper cover, just when first joint portion is in and relieves the joint state, the pilot hole with cup jointing of spliced pole makes the inner cup hang in cover on.

In the above-mentioned pressure cooking utensil with safe lid removal, the connecting column is a temperature probe.

In the pressure cooking appliance with the cover safely detached, the temperature measuring probe is provided with the boss, and the boss is stopped at the lower end of the sealing element.

In the pressure cooking utensil with the safe cover dismounting function, the inner side of the inner cover is provided with the cylindrical inner cover handle, the inner cover handle forms the lifting button, and the temperature measuring probe extends into the inner cover handle.

The utility model has the beneficial effects that:

in the pressure cooking utensil with the safe cover dismounting function, the inner cover is provided with a lifting button and a first clamping part, and an assembling hole is formed in the position, corresponding to the lifting button, of the inner cover; a sealing element is arranged in the assembly hole or the lifting button, a connecting column is arranged on the upper cover, the first clamping part is clamped with the upper cover, the connecting column is sleeved with the sealing element in an interference manner, the positioning and the installation of the inner cover can be realized, the assembly stability of the inner cover is good, and the inner cover is not easy to deflect; the sealing element cup joints the spliced pole and can correct the radial off normal of inner cup relative upper cover, specifically: reasonable movement allowance can be reserved at the clamping part of the first clamping part and the upper cover so that a user can conveniently disassemble and assemble the inner cover, however, the positioning and installation of the inner cover are met, a connecting column of the upper cover must be aligned to an assembling hole of the inner cover, the sealing element is usually sleeved with the connecting column in an interference fit manner such as a tight fit manner in consideration of sealing performance, as long as the sealing element is sleeved on the connecting column, the inner cover basically has no movement allowance in the radial direction, radial deviation generated when the inner cover is installed can be corrected by sleeving the connecting column through the sealing element, and the position of the inner cover is kept during cooking; the inner cover with corrected radial deviation can achieve the expected sealing matching effect with the pot body, thereby avoiding the problem of air leakage caused by the weakening of local sealing strength due to the radial deviation of the inner cover.

In addition, the inner cover is positioned and arranged on the upper cover, and when the clamping state of the first clamping part is released in the process of disassembling the inner cover, the connecting column is sleeved with the sealing element, so that the inner cover is kept in a state that one end of the inner cover is separated from the upper cover and does not fall off, a user can conveniently take the inner cover by providing a force applying part through the lifting button, the cover can be disassembled by one hand, and the use convenience is improved.

Furthermore, a second clamping part for clamping the upper cover is arranged on the inner cover; the first clamping portion and the second clamping portion are connected with the two sides of the assembling hole. Therefore, the upper cover can be clamped by the first clamping portion and the second clamping portion respectively, the connecting column is sleeved on the sealing element, three-point positioning installation of the inner cover can be realized, the assembly stability of the inner cover is good, and the inner cover is not easy to deflect; the sealing element cup joints the spliced pole and can correct the radial off normal of inner cup relative upper cover, specifically: reasonable movement margins can be reserved at the clamping position of the first clamping part and the upper cover and the clamping position of the second clamping part and the upper cover so that a user can conveniently disassemble and assemble the inner cover, however, the three-point positioning installation of the inner cover is required, the connecting column of the upper cover must be aligned with the assembly hole of the inner cover, as the sealing element is usually sleeved with the connecting column in an interference fit manner in consideration of the sealing property, as long as the sealing element is sleeved on the connecting column, the inner cover basically has no movement margin in the radial direction, the radial deviation generated when the inner cover is installed can be corrected by sleeving the connecting column through the sealing element, and the position of the inner cover is kept during cooking; the inner cover with corrected radial deviation can achieve the expected sealing matching effect with the pot body, thereby avoiding the problem of air leakage caused by the weakening of local sealing strength due to the radial deviation of the inner cover.

In addition, the inner cover is arranged on the upper cover in a three-point positioning mode, and when the clamping state of one of the first clamping portion and the second clamping portion is released in the process of disassembling the inner cover, the connecting column is sleeved with the sealing element, so that the inner cover is kept in a state that one end of the inner cover is separated from the upper cover and does not fall off, a user can conveniently disassemble the inner cover with one hand, and the use convenience is improved.

Further, the assembly hole is formed in the middle of the inner cover. First joint portion and second joint portion are located the both sides of pilot hole, and when the pilot hole set up in the inner cup middle part, first joint portion and second joint portion are located the both sides at inner cup middle part, and the design can realize the three point location at inner cup middle part and both sides position like this, and inner cup assembly stability is better.

Further, the assembly hole, the first clamping portion and the second clamping portion are located on the same straight line. The three locating points on the inner cover are located on the same straight line, so that the stress balance of the inner cover is guaranteed, and the inner cover is prevented from inclining laterally better.

Further, the distance between the first clamping portion and the second clamping portion is larger than the radius of the inner cover. Make at least one of them is close the inner cup edge more in first joint portion and the second joint portion for inner cup middle part and marginal portion can both obtain effective positioning, and the inner cup installation is more steady.

Further, install the discharge valve subassembly on the inner cup, the discharge valve subassembly includes disk seat, blast pipe and weight, the blast pipe runs through the disk seat with the inner cup, the weight is detained and is arranged in on the blast pipe, first joint portion sets up on the disk seat. Cover including the exhaust valve subassembly sets up, conveniently wash exhaust valve subassembly after dismantling the inner cup, to this scheme, exhaust valve subassembly belongs to the existing part of inner cup, sets up first joint portion on exhaust valve subassembly's disk seat, and the inner cup need not additionally set up installation or connection structure for first joint portion, reduce cost.

Furthermore, the upper cover is provided with a movable lock catch for clamping the second clamping part, the clamping state of the second clamping part relative to the upper cover is released by driving the movable lock catch, and when the clamping state of the second clamping part is released, the inner cover is hung on the upper cover through the sleeve joint of the assembly hole and the connecting column;

or, cover on and be equipped with the activity hasp that is used for the first joint portion of joint, through the drive activity hasp so that first joint portion is relative the joint state is relieved to the upper cover, just when first joint portion is in and relieves the joint state, the pilot hole with cup jointing of spliced pole makes the inner cup hang in cover on.

Set up movable lock catch, and through the drive movable lock catch makes second joint portion or the relative upper cover of first joint portion relieve the joint state, makes things convenient for the unblock of upper cover and second joint portion or first joint portion, reduces the inner cup dismouting degree of difficulty, and when second joint portion or first joint portion are in and relieve the joint state, because the cup joint of pilot hole and spliced pole, thereby make the inner cup can not cause the inner cup directly to drop because the joint is relieved with the upper cover to first joint portion or second joint portion, but still hang with on covering, both made things convenient for user's dismouting inner cup, can not cause the risk that the inner cup dropped yet, so that user's one-hand is torn open and is covered, improvement convenience in use.

Furthermore, the connecting column is a temperature measuring probe. The temperature probe is used for adopting the steam temperature in the cooking space, and the control unit of the pressure cooking utensil with safe cover disassembly controls the cooking program according to the temperature information collected by the temperature probe, such as adjusting the heating power, the heating time and the like.

Furthermore, a boss is arranged on the temperature measuring probe and is stopped at the lower end of the sealing element. The boss stops the lower end of the sealing element, so that the sealing element is prevented from sliding off from the temperature measuring probe to cause the inner cover to fall off when the inner cover is detached.

Furthermore, a cylindrical inner cover handle is arranged on the inner side of the inner cover, the inner cover handle forms the lifting button, and the temperature measuring probe extends into the inner cover handle. The inner cover handle is arranged to provide a force application part when a user assembles and disassembles the inner cover, so that the operation is more convenient; the temperature probe stretches into the inner cover handle, and the inner cover handle plays a role in protecting the temperature probe and prevents the temperature probe from being impacted by external force.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic view of the external structure of a pressure cooking appliance with a safety cover removed according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a lid for a pot in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a partial enlarged view of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is a schematic view of the construction of the inner lid in one embodiment of the present invention;

fig. 7 is a schematic structural view of the inner side of the upper cover in one embodiment of the present invention.

Reference numerals:

100 pan bodies;

200 pot covers, 210 upper covers, 211 avoidance grooves, 212 avoidance holes, 213 button holes, 220 inner covers, 221 assembly holes, 222 sealing elements and 223 lifting buttons; 240 connecting column;

300 clamping seats and 310 second clamping parts;

400 valve seat, 410 first clamping part;

500 weight hammers;

600 sealing ring.

[ detailed description ] embodiments

The utility model provides a pressure cooking appliance with safe cover disassembly, which comprises a pot body and a pot cover, wherein the pot cover comprises an upper cover and an inner cover arranged on the inner side of the upper cover, the inner cover is provided with a lifting button assembly hole and a first clamping part, and the inner cover is provided with an assembly hole corresponding to the lifting button; the pilot hole or carry and be equipped with the sealing member in the button, on cover and be equipped with the spliced pole, first joint portion joint the upper cover, the sealing member interference cup joints the spliced pole is in order to correct the inner cup is relative the radial off normal of upper cover.

The inner cover is provided with a lifting button and a first clamping part, and an assembling hole is formed in the position, corresponding to the lifting button, of the inner cover; a sealing element is arranged in the assembly hole or the lifting button, a connecting column is arranged on the upper cover, the first clamping part is clamped with the upper cover, the connecting column is sleeved with the sealing element in an interference manner, the positioning and the installation of the inner cover can be realized, the assembly stability of the inner cover is good, and the inner cover is not easy to deflect; the sealing element cup joints the spliced pole and can correct the radial off normal of inner cup relative upper cover, specifically: reasonable movement allowance can be reserved at the clamping part of the first clamping part and the upper cover so that a user can conveniently disassemble and assemble the inner cover, however, the positioning and installation of the inner cover are met, a connecting column of the upper cover must be aligned to an assembling hole of the inner cover, the sealing element is usually sleeved with the connecting column in an interference fit manner such as a tight fit manner in consideration of sealing performance, as long as the sealing element is sleeved on the connecting column, the inner cover basically has no movement allowance in the radial direction, radial deviation generated when the inner cover is installed can be corrected by sleeving the connecting column through the sealing element, and the position of the inner cover is kept during cooking; the inner cover with corrected radial deviation can achieve the expected sealing matching effect with the pot body, thereby avoiding the problem of air leakage caused by the weakening of local sealing strength due to the radial deviation of the inner cover.

In addition, the inner cover is positioned and arranged on the upper cover, and when the clamping state of the first clamping part is released in the process of disassembling the inner cover, the connecting column is sleeved with the sealing element, so that the inner cover is kept in a state that one end of the inner cover is separated from the upper cover and does not fall off, a user can conveniently take the inner cover by providing a force applying part through the lifting button, the cover can be disassembled by one hand, and the use convenience is improved.

The appearances of the phrases such as "exemplary," "some embodiments," and the like in the following text mean "serving as an example, embodiment, or illustration," and any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While specific details are set forth in the following description for the purpose of illustrating the utility model better, it will be apparent to those skilled in the art that the present disclosure may be practiced without some of these specific details.

Referring to fig. 1 and 2, a pressure cooking appliance with a detachable lid provided in an embodiment of the present invention includes a pot body 100 and a pot lid 200, wherein an inner container is disposed in the pot body 100, the pot lid 200 includes an upper lid 210 and an inner lid 220 disposed inside the upper lid 210, when the pot lid 200 is covered on the pot body 100, the inner lid 220 is in sealing fit with an opening of the inner container to form a pressure cooking cavity, the above components are substantially the same as those of a pressure cooking appliance with a detachable lid in the prior art, and a detailed description thereof is omitted. It should be noted that: the upper cap 210 generally includes a face cap and a liner cap, only of which is shown in the drawings, and the inner cap 220 is mounted on the inner side of the liner cap, and hereinafter, the upper cap 210 is referred to as a liner cap portion of the upper cap 210.

Referring to fig. 3-7, in this embodiment, the inner lid 220 is detachably connected to the upper lid 210, so that the inner lid 220 can be detached and washed independently, specifically: be equipped with on the inner cup 220 and carry button 223, inner cup 220 corresponds it is equipped with pilot hole 221, first joint portion 410 and second joint portion 310 to carry button 223 department, first joint portion 410 and second joint portion 310 are located the both sides of pilot hole 221, perhaps be equipped with in carrying button 223 and be equipped with sealing member 222 in the pilot hole 221, upper cover 210 inboard corresponds and sets up spliced pole 240, first joint portion 410 and second joint portion 310 block joint upper cover 210 respectively, connecting pole 240 is cup jointed to sealing member 222, realize the three point location installation of inner cup 220, inner cup 220 assembly stability is good, be difficult for the incline.

It should be noted that, in the embodiment and the drawings, the inner lid is fixed and positioned by three points, and the inner lid is more stable, but it can be understood that the inner lid can be fixed and positioned by the clamping connection of the first clamping portion 410 and the upper lid 210 and the clamping connection of the sealing element 222 and the connecting column 240 at two positions of the interference clamping connection, and the sealing element 222 and the connecting column 240 are in the interference clamping connection, so that it can be ensured that the radial deviation generated when the inner lid is installed is corrected by the sealing element 222 sleeving the connecting column 240, and the inner lid position is maintained during cooking; the inner cover with corrected radial deviation can achieve the expected sealing matching effect with the pot body, thereby avoiding the problem of air leakage caused by the weakening of local sealing strength due to the radial deviation of the inner cover.

Preferably, the inner lid 220 is provided with a vent valve assembly, the vent valve assembly comprises a valve seat 400, a vent pipe (not shown in the figure) and a weight 500, the valve seat 400 is fixed on the inner lid 220, the vent pipe penetrates through the valve seat 400 and the inner lid 220, the weight 500 is buckled on the vent pipe, after cooking is finished, the weight 500 is pushed open, and the pressure in the pressure cooking cavity is reduced through the pressure relief of the vent pipe, so as to ensure the safe opening of the lid. The discharge valve assembly is disposed on the inner lid 220, and the discharge valve assembly is also removed from the upper lid 210 when the inner lid 220 is removed, thereby facilitating cleaning of the discharge valve assembly. First joint portion 410 sets up on valve seat 400, and inner cup 220 need not additionally set up installation or connection structure for first joint portion 410, reduce cost, and is exemplary: the valve seat 400 has a valve seat sidewall extending upward, and the first clamping portion 410 is a clamping structure formed by extending outward from the upper end of the valve seat sidewall.

In order to realize the clamping connection between the first clamping portion 410 and the upper cover 210, the inner side of the upper cover 210 is provided with an avoiding hole 212 and a sealing ring 600 corresponding to the position of the exhaust valve assembly, the upper end of the sealing ring 600 is fixed on the upper cover 210 around the avoiding hole 212, the lower end of the sealing ring 600 is attached to the inner cover 220, so that the exhaust valve assembly is located in the sealing range of the sealing ring 600, after the inner cover 220 is installed on the upper cover 210, the upper end of the valve seat 400 extends into the avoiding hole 212, and the first clamping portion 410 is clamped on the sealing ring 600 around the avoiding hole 212.

Preferably, the inner lid 220 is further provided with a clamping seat 300, and the second clamping portion 310 is a clamping structure formed by extending the upper end of the clamping seat 300 outwards.

In order to realize the clamping connection between the second clamping portion 310 and the upper cover 210, the upper cover 210 is provided with an avoiding groove 211 and a movable lock catch 230, the avoiding groove 211 is arranged inside the upper cover 210 corresponding to the clamping seat 300, one end of the movable lock catch 230 extends into the avoiding groove 211, after the inner cover 220 is mounted on the upper cover 210, the clamping seat 300 extends into the avoiding groove 211, and the second clamping portion 310 is clamped on the movable lock catch 230. The movable lock catch 230 is driven to enable the second clamping portion 310 to be released from the clamping state relative to the upper cover 210, and when the second clamping portion 310 is in the clamping release state, the inner cover 220 is hung on the upper cover 210 due to the sleeving connection of the assembly hole 221 and the connecting column 240; preferably, the fitting hole 221 and the connecting column 240 are tightly connected or the sealing member 222 is disposed between the fitting hole 221 and the connecting column 240, so that when the second clamping portion 310 is in the clamping-released state, the fitting of the fitting hole 221 and the connecting column 240 enables the inner lid 220 to be hung on the upper lid 210.

Here, it should be noted that: be equipped with the activity hasp 230 that is used for joint second joint portion 310 on the upper cover 210, when through the drive activity hasp 230 so that second joint portion 310 is relative the upper cover 210 removes the joint state, just second joint portion 310 is in when removing the joint state, the pilot hole 221 with connecting post 240 cup joint the messenger the inner cup hang in on the upper cover, first joint portion 410 and upper cover 210 can have two kinds of states this moment:

the first state is, when second joint portion 310 with the upper cover is in when removing the joint state, first joint portion 410 and upper cover 210 also are in and remove the joint state, and at this moment, only with the bell and spigot joint of pilot hole 221 and spliced pole 240 make inner cup 220 hang on the upper cover to make inner cup 220 can not drop, the user can accomplish the aforesaid with one hand and tear open the operation of covering, improves the convenience of use.

The second state is, when second joint portion 310 and upper cover 210 are in the state of releasing the joint, first joint portion 410 and upper cover 210 still are in the joint state, namely under this kind of state, only be in with second joint portion 310 and upper cover 210 and release the joint state, pilot hole 221 cup joints with spliced pole 240, first joint portion 410 and upper cover joint to make inner cup 220 can not drop, the user can accomplish the above-mentioned operation of uncapping by one hand, improve the convenience of use.

Of course, it should be understood that the movable lock catch can be set as being used for the first joint portion 410, when through the drive the movable lock catch is so that the first joint portion 410 is relative the joint state is relieved to the upper cover 210, just when the joint state is relieved to the first joint portion 310, the pilot hole 221 with the cup joint of spliced pole 240 makes the inner cup hang in on the upper cover. At this time, the second clamping portion 410 and the upper cover 210 may also be in one of the two states, which is not described herein again.

More preferably, the movable latch 230 is configured to slide laterally along the upper cover 210, a cover removing button (the cover removing button is installed in the button hole 213 shown in fig. 7) is disposed on one side of the upper cover 210, and the cover removing button is pressed to drive the movable latch 230 to move in a direction away from the avoiding groove 211, so that the engagement state between the second engaging portion 310 and the movable latch 230 is released, the cover removing by one key is realized, and the difficulty in attaching and detaching the inner cover 220 is reduced.

In other embodiments, under the condition that the cover dismounting button is not arranged, one of the movable lock catch and the second clamping portion is an elastic component which can be deformed under stress, and when the inner cover is dismounted, the movable lock catch and the second clamping portion generate elastic deformation to complete clamping or release clamping by means of interaction force between the movable lock catch and the second clamping portion.

According to the pressure cooking utensil with safe cover removal of the embodiment, in the process of removing the inner cover 220, the cover removal button is firstly pressed, the second clamping portion 310 releases the clamping state, the part of the inner cover 220 provided with the second clamping portion 310 is firstly separated from the upper cover 210, but at the moment, because the sealing element 222 is still sleeved on the connecting column 240, the first clamping portion 410 and the upper cover 210 keep the clamping state, and the inner cover 220 keeps the state that one end is separated from the upper cover 210 and does not fall; an acting force is applied to the inner cover 220 in the direction away from the upper cover 210, so that the sealing element 222 is separated from the connecting column 240, the inner cover 220 loses the positioning of the connecting column 240, the part of the inner cover 220, which is provided with the assembling hole 221, is separated from the upper cover 210, the first clamping part 410 and the upper cover 210 are in a clamping state, the inner cover 220 is integrally separated from the upper cover 210, and a user can finish the cover dismounting operation with one hand based on the sleeving connection of the sealing element 222 and the connecting column 240, thereby improving the use convenience.

Preferably, the second clamping portion 310 is disposed on one side of the clamping seat 300 far away from the assembling hole 221, and since the cover-removing button is disposed at the edge of the upper cover 210, the second clamping portion 310 is disposed to facilitate installation of the inner cover lock catch 230; the first clamping portion 410 is disposed on one side of the valve seat 400 far away from the assembling hole 221, and when the second clamping portion 310 of the inner cap 220 releases the clamping state and loses the positioning of the connecting post 240, the first clamping portion 410 and the upper cap 210 release the clamping state along the trend, so that the cap removing operation is simpler.

Referring to fig. 3-5, in order to ensure the convenience of disassembly and assembly, a movement margin of H1 is reserved between the first clamping portion 410 and the sealing ring 600, a movement margin of H2 is reserved between the second clamping portion 310 and the inner cap lock catch 230, and the movement margins enable the inner cap 220 to generate radial deviation relative to the upper cap 210 when the assembly and the disassembly are performed, so that the first clamping portion 410 and the sealing ring 600, and the second clamping portion 310 and the inner cap lock catch 230 can be clamped or released from clamping, however, in the cooking process, the radial deviation can cause the axial line of the inner cap 220 to deviate from the axial line of the inner container, the circumferential uniform sealing between the inner cap 220 and the inner container mouth cannot be maintained, and the problem of air leakage caused by weakening of local sealing strength occurs.

In view of the above problems, in the embodiment of the present invention, in order to satisfy the three-point positioning installation of the inner lid 220, the connection post 240 of the upper lid 210 must be aligned with the assembly hole 221 of the inner lid 220, since the sealing element 222 is usually sleeved with the connection post 240 in a tight fit manner in consideration of the sealing property, as long as the sealing element 222 is sleeved on the connection post 240, the inner lid 220 has substantially no movement margin in the radial direction thereof, the radial offset generated when the inner lid 220 is installed can be corrected by the sealing element 222 being sleeved on the connection post 240, and the position of the inner lid 220 is maintained during cooking; the inner cover 220 corrected for radial deviation can achieve the expected sealing matching effect with the pot body 100, thereby avoiding the problem of air leakage caused by the reduction of local sealing strength due to the radial deviation of the inner cover 220.

The sealing ring 600 is preferably made of silica gel, and the silica gel has good compression deformation resistance, so that the sealing ring 600 is tightly matched with the connecting column 240, and the sealing performance and the correction effect on the radial deviation of the inner cover 220 are improved. In other embodiments of the present invention, the sealing ring 600 may also be made of other materials with sealing function, such as rubber, graphite, or teflon.

Referring to fig. 6, in an embodiment of the present invention, a cooking appliance according to the above embodiment: set up the pilot hole 221 in the middle part of inner cup 220, when the pilot hole 221 set up in the middle part of inner cup 220, first joint portion 410 and second joint portion 310 are located the both sides at inner cup 220 middle part, and the design can realize the three point location at inner cup 220 middle part and both sides position like this, and inner cup 220 assembly stability is better. Here, it should be noted that: the assembly hole 221 is disposed in the middle of the inner cover 220, and the axis of the assembly hole 221 may coincide with the axis of the inner cover 220, or the axis of the assembly hole 221 may be deviated from the axis of the inner cover 220, but the axis of the inner cover 220 still is within the range of the assembly hole 221.

It should be noted that the assembling hole 221 is disposed in the middle of the inner lid 220, wherein the middle may be the middle of the inner lid 220, or on the area of the inner lid 220 near the middle, or in the middle area of the inner lid opposite to the first clamping portion 410 and the second clamping portion 310.

Preferably, the assembly hole 221, the first clamping portion 410 and the second clamping portion 310 are located on the same straight line, that is, the three positioning points on the inner cover 220 are located on the same straight line, so as to ensure the stress balance of the inner cover 220 and better prevent the inner cover 220 from tilting.

More preferably, the distance between the first clamping portion 410 and the second clamping portion 310 is greater than the radius of the inner cover 220, when the assembly hole 221 is formed in the middle of the inner cover 220, because the first clamping portion 410 and the second clamping portion 310 are located on two sides of the assembly hole 221 and the distance between the two is greater than the radius of the inner cover 220, at least one of the first clamping portion 410 and the second clamping portion 310 is closer to the edge of the inner cover 220, the middle and the edge of the inner cover 220 can be effectively positioned, and the inner cover 220 can be installed more stably.

Referring to fig. 4, in an embodiment of the present invention, a cooking appliance according to the above embodiment: the temperature probe is arranged on the upper cover 210, penetrates through the inner cover 220 and extends into the pressure cooking cavity, and is used for adopting the steam temperature in the pressure cooking cavity during cooking, the control unit of the pressure cooking appliance with safe cover disassembly controls the cooking program according to the temperature information collected by the temperature probe, for example, the heating power, the heating time and the like are adjusted, for the embodiment, the temperature probe belongs to the existing part of the upper cover 210, and the temperature probe is used as the connecting column 240, so that the cost can be reduced.

Preferably, an annular boss 241 is provided on the temperature probe near the lower end, and after the inner lid 220 is mounted on the upper lid 210, the temperature probe penetrates the sealing member 222, and the boss 241 is stopped at the lower end of the sealing member 222, thereby preventing the inner lid 220 from falling off due to the sealing member 222 slipping off from the temperature probe when the inner lid 220 is removed.

Preferably, a cylindrical inner cover handle 223 is arranged on the inner side of the inner cover 220, the upper end of the inner cover handle 223 is fixed on the inner cover 220 around the assembly hole 221, the lower end of the inner cover handle 223 is open, and the inner cover handle 223 is arranged to provide a force application part when a user assembles and disassembles the inner cover 220, so that the operation is more convenient; after the inner cover 220 is installed on the upper cover 210, the temperature measuring probe extends into the inner cover handle 223, and the inner cover handle 223 plays a role in protecting the temperature measuring probe and prevents the temperature measuring probe from being impacted by external force.

While the utility model has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the utility model is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the utility model as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. A pressure cooking utensil with a safe cover dismounting function comprises a pot body and a pot cover, wherein the pot cover comprises an upper cover and an inner cover arranged on the inner side of the upper cover; the pilot hole or be equipped with the sealing member in carrying the button, on cover and be equipped with the spliced pole, first joint portion joint the upper cover, the sealing member interference cup joints the spliced pole is in order to correct the inner cup is relative the radial off normal of upper cover.

2. The pressure cooking appliance of claim 1, wherein the inner cover further comprises a second clamping portion for clamping the upper cover; the first clamping portion and the second clamping portion are located on two sides of the assembling hole.

3. The lid-opening safety pressure cooking appliance of claim 1, wherein said fitting hole is provided in the middle of said inner lid.

4. The lid opening safety pressure cooking appliance of claim 2, wherein said fitting hole, said first snap portion and said second snap portion are located on the same line.

5. The lid release safety pressure cooking appliance of claim 4, wherein the distance between said first snap-fit portion and said second snap-fit portion is greater than the radius of said inner lid.

6. The lid-opening safety pressure cooking utensil of claim 1 wherein the inner lid has a vent valve assembly mounted thereon, the vent valve assembly including a valve seat, a vent tube extending through the valve seat and the inner lid, and a weight that is retained on the vent tube, the first catch being disposed on the valve seat.

7. The cover-opening safety pressure cooking utensil of claim 2, 4 or 5, wherein the upper cover is provided with a movable lock catch for locking the second clamping portion, the second clamping portion is unlocked relative to the upper cover by driving the movable lock catch, and when the second clamping portion is unlocked, the inner cover is hung on the upper cover by the sleeve connection of the assembly hole and the connecting column; or, cover on and be equipped with the activity hasp that is used for the first joint portion of joint, through the drive activity hasp so that first joint portion is relative the joint state is relieved to the upper cover, just when first joint portion is in and relieves the joint state, the pilot hole with cup jointing of spliced pole makes the inner cup hang in cover on.

8. A lid release safety pressure cooker of any of claims 1 to 6, wherein said connecting column is a temperature probe.

9. The lid-opening safety pressure cooker as claimed in claim 8, wherein said temperature probe is provided with a boss which is stopped at the lower end of said sealing member.

10. The lid-opening safety pressure cooking appliance of claim 8, wherein a cylindrical inner lid handle is provided inside the inner lid, the inner lid handle forming the knob, and the temperature probe extends into the inner lid handle.

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