CN209863351U - Pressure cooking appliance - Google Patents

Abstract

The utility model discloses a pressure cooking utensil belongs to kitchen cooking appliances technical field, has solved among the prior art pressure cooking utensil hot state and has closed the more hard technical problem of lid, the utility model provides an including pot body and pot cover, the pot cover can be covered and establish on the pot body, the pot cover includes upper cover and removable inner cup, the removable inner cup is covered and is equipped with the pressure limiting valve, the pressure limiting valve includes the blast pipe and detains the weight on the blast pipe, the weight includes the exhaust position of blast pipe and external intercommunication, with blast pipe and external isolated shutoff position still include weight control and reset, the weight control sets up and covers in removable, the weight control is in make under the effect of reset the piece the weight is in exhaust position.

Description

Pressure cooking appliance

[ technical field ] A method for producing a semiconductor device

The utility model relates to a kitchen cooking utensil technical field especially relates to pressure cooking utensil.

[ background of the invention ]

Current pressure cooking utensil includes the pot body and pot cover, and the pot cover lid closes and forms sealed culinary art chamber in order to realize pressure cooking on the pot body, and when the pot cover closed under hot state, great pressure can be formed in the culinary art intracavity, causes the user to use and needs the great strength just can accomplish the lid of pot cover and close, has reduced user's use from this and has experienced.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a pressure cooking utensil, can make the user close under the hot state and cover more laborsavingly, promote the user and use experience.

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

pressure cooking utensil, including the pot body and pot cover, the pot cover can be covered and establish on the pot body, and the pot cover includes upper cover and removable inner cup, be equipped with the pressure limiting valve in the removable inner cup, the pressure limiting valve includes blast pipe and detains the weight of putting on the blast pipe, the weight includes the exhaust position of blast pipe and external intercommunication, and blast pipe and external isolated shutoff position still include weight control and reset, the weight control sets up and covers in removable, the weight control is in reset and make under the effect of piece the weight is in the exhaust position.

In the pressure cooking appliance, the detachable inner cover is further provided with a valve seat, and the heavy hammer control part is a warped plate rotatably mounted on the valve seat.

In the above pressure cooking appliance, the detachable inner cover is further provided with a valve seat, and the weight control member is a sliding plate which can slide on the valve seat in a translation manner.

In the above pressure cooking appliance, one end of the seesaw is provided with a top portion which extends upward and jacks up the weight, and the other end of the seesaw is provided with a pushing portion which extends upward and forms.

In the above pressure cooking appliance, one end of the sliding plate is provided with a lifting part which extends upwards and lifts the weight, and the other end of the sliding plate is provided with a pushing part which extends upwards.

In the above pressure cooking appliance, when one end of the seesaw is tilted, the side surface of the pushing part is a vertical plane.

In the pressure cooking appliance, the heavy hammer is provided with a hollow cavity with an open lower end and a sealing plug which is arranged at the top of the hollow cavity and is inserted into the exhaust pipe, and an avoiding space for accommodating the top is arranged between the inner side surface of the hollow cavity and the exhaust pipe.

In the pressure cooking appliance, the valve seat is further provided with a limiting plate, the limiting plate is provided with a through hole for the top part to penetrate through, and the limiting plate abuts against the warping plate to limit the warping amplitude of the top part; and/or a limiting boss is arranged on the valve seat, and the other end of the wane abuts against the limiting boss to limit the tilting amplitude of the tilting top.

In the pressure cooking utensil, the valve seat is provided with a guide post extending along the sliding direction of the sliding plate, the sliding plate is provided with a lower push plate extending downwards, and the resetting piece is sleeved on the guide post and is abutted against the lower push plate.

In above-mentioned pressure cooking utensil, the one end of wane is equipped with the last location arch that downwardly extending formed, be equipped with down the location arch on the disk seat, the both ends of piece that resets are fixed respectively on last location arch and lower location arch.

The utility model has the advantages that:

in the pressure cooking appliance, the heavy hammer and the exhaust pipe are arranged on the detachable inner cover, meanwhile, the heavy hammer control part is arranged on the detachable inner cover, the heavy hammer control part is provided with the reset part, and the heavy hammer is positioned at the exhaust position through the reset part, so that the exhaust position of the detachable inner cover can be kept for a long time even if the detachable inner cover is detached from the upper cover; the return member may be a spring or a torsion spring, etc. This weight control spare can make the weight on the removable inner cup maintain the steam extraction position that lies in external intercommunication, and then open the upper end export of blast pipe, so, when the pot cover lid closes on the pot body, the steam of culinary art intracavity just can be through the blast pipe discharge to reduce the pressure of culinary art intracavity, and then make the pot cover more laborsaving at closing under the hot state, promote user's use and experience. Through setting up weight control spare can make removable inner cup all keep the exhaust state when pulling down and install, solve the problem that the lid was closed to the hot state. Reset the piece and reset the one end that warp can be driven through self deformation that resets and keep in the perk state, compare other drive structure, its reaction is faster, and the structure is also simpler, easily machine-shaping.

The one end of wane is equipped with the last location arch that downwardly extending formed, is equipped with down the location arch on the disk seat, and the both ends that reset the piece are fixed respectively at last location arch under and on the location arch. So design can avoid the piece that resets to take place to break away from to the one end that makes the wane keeps in the perk state under the drive that resets, and then makes the blast pipe be in the exhaust state under closure unblock state.

One end of the wane is provided with a top part which extends upwards to form and jack the heavy hammer, the top part is provided with an arc-shaped surface used for jacking the heavy hammer, and the circle center of the arc-shaped surface is collinear with the rotation center line of the wane. By the design, when one end of the seesaw is tilted, the top lifting part can smoothly jack the heavy hammer, and the clamping stagnation between the top lifting part and the heavy hammer is avoided.

The valve seat is also provided with a limiting plate, the limiting plate is provided with a through hole for the top to penetrate through, and the limiting plate abuts against the wane to limit the tilting amplitude of the top; and/or a limiting boss is arranged on the valve seat, and the other end of the wane is propped against the limiting boss to limit the tilting amplitude of the top. By the design, the situation that the jacked heavy hammer falls back again due to the transition tilting of one end of the tilting plate can be avoided, so that the exhaust pipe cannot exhaust steam or the exhaust amount is influenced.

Through holes for the exhaust pipes to sequentially penetrate through are respectively arranged on the valve seat and the limiting plate. By the design, the pressure limiting valve, the valve seat and the limiting plate on the inner cover can be more compact in structure, and the arrangement and installation of the sealing element at the later stage are facilitated.

When one end of the seesaw is tilted, the side surface of the pushing part is a vertical plane. By the design, one face of the pushing part, facing the push rod, can be kept to be a vertical plane in the original state, so that the situation that the inner cover cannot be installed in place due to interference between the pushing part and the push rod when the inner cover is installed on the upper cover is avoided.

One side that promotion portion deviates from the push rod still is equipped with the reinforcing plate, and the limiting plate is equipped with first spigot surface towards one side of reinforcing plate, and the reinforcing plate is equipped with the second spigot surface with first spigot surface complex. So design, can strengthen the structural strength of promotion portion, avoid promotion portion to take place to buckle, can also guarantee that the wane smoothly rotates simultaneously.

The valve seat is provided with a guide post extending along the sliding direction of the sliding plate, the sliding plate is provided with a lower push plate extending downwards, and the elastic piece is sleeved on the guide post and is abutted to the lower push plate. So design, can take place the extension deformation along the guide post direction when the elastic component resets to through promoting the lower push plate drive slide, the elastic component back that resets can make the slide stably keep in the reset state, and then has guaranteed that the blast pipe can be in the exhaust state all the time under closure unblock state.

The top of the lifting part is formed by the upward protrusion of the top surface of the sliding plate, the top of the lifting part is provided with a guide inclined plane for jacking the heavy hammer, and the guide inclined plane inclines from high to low towards the center direction of the pot cover. By such design, the top part can smoothly jack the weight.

The heavy hammer is provided with a hollow cavity with an open lower end and a sealing plug which is arranged at the top of the hollow cavity and is inserted into the exhaust pipe, an avoiding space for accommodating the top is arranged between the inner side surface of the hollow cavity and the exhaust pipe, and a chamfer matched with the guide inclined plane is arranged at the bottom of the inner side surface of the heavy hammer. So design, the chamfer can further promote the smooth and easy nature of top jack-up weight, plays the top simultaneously and lies in when dodging the weight and dodge the space in can further make overall structure compacter to reduce the radial dimension of pot cover.

Through holes for the exhaust pipes to sequentially penetrate are respectively formed in the valve seat and the sliding plate, and the aperture of the through hole formed in the sliding plate is larger than the outer diameter of the exhaust pipe, so that the sliding plate can horizontally slide relative to the exhaust pipe. So design, can carry on spacingly through the slip distance of blast pipe to the slide to avoid jack-up portion transition to slide and lead to unable jack-up weight, can also save extra limit structure simultaneously.

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 invention will be further explained with reference to the drawings:

fig. 1 is an exploded view of a medium pressure cooking device according to an embodiment of the present invention;

fig. 2 is a top view of the lining cover when the locking element is unlocked according to the first embodiment of the present invention;

FIG. 3 is a top view of the lining cover when the locking element is locked according to an embodiment of the present invention;

FIG. 4 is a schematic view of a structure of a pot body covered by an inner cover in an embodiment of the present invention;

fig. 5 is an exploded view of an inner lid according to a first embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a top-lifting weight according to an embodiment of the present invention;

FIG. 7 is a schematic structural view illustrating a situation when a top of the lifting device is lifted to avoid the weight according to an embodiment of the present invention;

fig. 8 is a schematic structural view of the inner lid when the locking element is unlocked according to the second embodiment of the present invention;

fig. 9 is a schematic structural view of a valve seat according to a second embodiment of the present invention;

fig. 10 is a schematic structural view of a seesaw according to a second embodiment of the present invention;

fig. 11 is a schematic structural view of a limiting plate according to a second embodiment of the present invention;

fig. 12 is a sectional view of the inner lid and the lining lid assembled together when the locking element is unlocked according to the second embodiment of the present invention;

fig. 13 is a schematic structural view of the inner lid when the locking element is locked according to the second embodiment of the present invention;

fig. 14 is a sectional view of the inner cap and the lining cap assembled together when the locking element is locked according to the second embodiment of the present invention.

Reference numerals:

100. a pan body; 200. a pot cover; 210. an upper cover; 211. a lining cover; 212. an outer cover; 213. a push rod; 2131. a vertical rod; 2132. a horizontal bar; 214. a valve cavity; 300. a locking member; 400. a turntable; 410. a drive slot; 220. an inner cover; 221. a seal ring; 411. a guide groove; 500. an exhaust pipe, 600 and a heavy hammer; 610. a hollow cavity; 611. a sealing plug; 700. a valve seat; 710. a guide post or mounting groove; 800. a skateboard or rocker; 810. starting the top; 8101. a guide slope; 811. pushing the plate; 812. a pushing part; 813. a slider; 900. a reset member; 4100. a first variable diameter section; 4101. a first diameter section; 4110 a second variable diameter section; 4111. a second equal-diameter section; 820. an upper positioning bulge; 840. a reinforcing plate; 841. a second guide surface.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

referring to fig. 1 to 7, the pressure cooking appliance in the preferred embodiment includes a pot body 100 and a pot cover 200, the pot cover 200 covers the pot body 100 to form a cooking cavity, the pot cover 200 includes an upper cover 210 and an inner cover 220 detachably mounted on the upper cover 210, the upper cover 210 includes a lining cover 211 and an outer cover 212, a locking element 300 is disposed on the lining cover 211, the locking element 300 is a caliper, and the upper cover 210 is further provided with a driving mechanism for driving the caliper to open and close to lock or unlock the caliper with the pot body 100. Specifically, the method comprises the following steps: the driving mechanism drives the calipers to perform translational motion in the radial direction of the pot cover 200, so that the calipers can be switched back and forth between a locking state for locking the inner cover 220 and the pot body 100 (a heat preservation cover or an inner container of the pot body 100) and an unlocking state for releasing the pot body 100; the driving mechanism of the embodiment comprises a motor (not shown in the figure) and a turntable 400, wherein the turntable 400 is installed at the center of the lining cover 211, a driving gear is installed on an output shaft of the motor, and the driving gear is in meshing transmission with the turntable 400; the rotating disc 400 is symmetrically provided with two driving grooves 410 by the rotation center, one end of the caliper is provided with a driving column, the driving column is inserted into the driving groove 410 and can slide along the driving groove 410, the rotation motion of the rotating disc 400 can be converted into the radial linear reciprocating motion of the driving column through the driving groove 410, namely the linear reciprocating motion of the caliper is driven, as the rotating disc 400 is driven by a motor to rotate in the embodiment, the electric cover opening and closing is realized, the user experience is enhanced, in other embodiments, a handle can be also arranged on the pot cover 200 and is in transmission connection with the rotating disc 400, so that the manual cover opening and closing is realized; according to the concept of the above solution, a driving structure such as a cam and a gear may be used instead of the turntable 400, and the specific arrangement manner is well known to those skilled in the art, and the detailed description of this embodiment is omitted.

In addition, in the modified embodiment of the embodiment, the locking piece can be a locking ring or a locking cover, a plurality of cover teeth are arranged on the locking ring or the locking cover, a plurality of pot teeth are arranged on the inner pot or the heat-preservation cover, the pot teeth and the cover teeth are engaged or disengaged by rotating the locking ring, so that the locking and unlocking of the pot body and the pot cover are realized, when the locking cover is adopted and the handle is arranged in the middle of the cooking appliance, the rotation of the locking cover can be realized by connecting the rotating shaft of the handle with the locking cover, when the locking ring is adopted or the handle is arranged at an eccentric position, the locking ring or the locking cover can be rotated by stirring rod, one end of the stirring rod is connected with the locking cover or the locking ring, and the other end of the stirring; of course, the handle may be a motor. The driving part rotates no matter the pressure cooker is a caliper pressure cooker or a locking ring or a locking cover pressure cooker, so that the cooker cover is driven to realize unlocking and locking with the cooker body.

The inner lid 220 in this embodiment is further provided with a pressure limiting valve, the pressure limiting valve includes an exhaust pipe 500 and a weight 600 buckled on the exhaust pipe 500, the exhaust pipe 500 is communicated with the cooking cavity, the weight includes an exhaust position where the exhaust pipe is communicated with the outside and a blocking position where the exhaust pipe is isolated from the outside, as shown in fig. 6, when the weight is located at the exhaust position, the cooking cavity can exhaust through the exhaust pipe, as shown in fig. 7, when the weight is located at the blocking position, only when the pressure in the cooking cavity reaches a certain pressure value, the gravity of the weight can be overcome to realize the exhaust. In this embodiment, as shown in fig. 6, the exhaust position is a position where the weight is inclined relative to the exhaust pipe; in other embodiments of the present invention, the exhaust position may be a position where the weight is moved upward relative to the exhaust pipe as a whole.

Compared with the prior art, the detachable inner cover of the embodiment is also provided with a heavy hammer control element, and the heavy hammer is positioned at the exhaust position under the action of the heavy hammer control element. The weight control member of this embodiment is slidably disposed on the valve seat, referring to fig. 5, a valve seat 700 and a sliding plate 800 are further disposed on a top surface of the inner cover 220, the sliding plate 800 is the weight control member, the valve seat 700 is fixed on the inner cover 220 by a screw and a nut, the sliding plate 800 can reciprocate on the valve seat 700 along a radial direction of the inner cover 220, the sliding plate 800 is located below the weight 600, a lifting portion 810 for lifting the weight 600 is disposed on the sliding plate 800, specifically, a reset member 900 is disposed between the sliding plate 800 and the valve seat 700 in this embodiment, the reset member 900 is a pressure spring or a silicone sleeve or a rubber sleeve, the reset member 900 in this embodiment is preferably a pressure spring, a guide post 710 extending along a horizontal direction is disposed on the valve seat 700, a push plate 811 extending downward is disposed on the sliding plate 800, and the pressure spring is.

The upper cover is provided with an exhaust control part, and the exhaust control part is used for controlling the movement of the heavy hammer control part so that the heavy hammer is switched to a plugging position. Specifically, the exhaust control member is a push rod connected to the turntable, referring to fig. 6 and 7, the push rod 213 is disposed on the liner cover 211, the turntable 400 is disposed with a guide slot 411, the push rod 213 includes a vertical rod 2131 and a horizontal rod 2132, the upper end of the vertical rod 2131 is inserted into the guide slot 411 and can slide along the guide slot 411, the lower end of the vertical rod 2131 is connected to the horizontal rod 2132, the horizontal rod 2132 can push the slide plate 800 to slide after moving radially outward, and the rotational motion of the turntable 400 can be converted into a radial linear reciprocating motion of the vertical rod 2131 through the guide slot 411, that is, the horizontal rod 2132 is driven to perform a radial linear reciprocating motion. It should be noted that, when the rotary disc 400 rotates to drive the caliper to move radially inward through the driving slot 410, so that the caliper is locked with the pot body 100, at this time, the guiding slot 411 does not drive the pushing rod 213 to move radially outward, the horizontal rod 2132 does not move toward the pushing portion 812, and the top portion jacks up the weight; when the rotary disc 400 completely moves inward in the radial direction by the rotation of the caliper, and the caliper is locked with the pot body, the rotary disc is further rotated, at this time, the guide groove 411 drives the push rod 213 to move outward in the radial direction, so that the horizontal rod 2132 moves toward the pushing part 812 and pushes the sliding plate to move outward in the radial direction, the top lifting part 810 enters the avoiding space to avoid the heavy hammer 600, and the pressure spring is compressed, at this time, the heavy hammer 600 falls back and seals the upper end outlet of the exhaust pipe 500, and the pressure cooking is realized (as shown in fig. 7); when the turntable 400 rotates reversely, within a certain rotation angle, the caliper does not move radially outward under the action of the driving groove 410, but at this time, the guiding groove 411 drives the push rod 213 to move radially inward, so that the horizontal rod 2132 moves in a direction away from the sliding plate 800, i.e., moves radially inward, at this time, the compression spring extends and drives the sliding plate to move so as to keep the sliding plate in a reset state, so that the top part 810 jacks up the heavy hammer 600, and the exhaust of steam of the exhaust pipe 500 is realized (as shown in fig. 6); when the rotating disc 400 continues to rotate reversely, the driving slot 410 drives the caliper to move radially outward to unlock the caliper from the pot body 100, and the guiding slot 411 does not drive the push rod 213 to move radially inward, so that the weight continues to maintain the exhaust position. In this embodiment, since the top 810 is located in the avoiding space when avoiding the weight 600, the overall structure can be further made more compact to reduce the radial size of the pot cover 200; in addition, when the pot body and the pot cover are not completely locked, the push rod 213 is far away from the push part 812, so that when the inner cover 220 is assembled, the push part 812 and the push rod 213 can be prevented from interfering, thereby facilitating the assembly of the inner cover 220.

In some embodiments, the exhaust control member may be a solenoid valve, and a valve rod of the solenoid valve is a push rod, and the push rod extends or retracts under the control of the control circuit, so as to switch the exhaust position and the blocking position of the weight. After the electromagnetic valve is arranged, the structure of the upper cover can be simpler, and the control of the locking ring and the pressure cooker of the locking cover on the heavy punch can be more conveniently realized.

In order to improve the reliability of the push rod 213 pushing the slide plate 800, the slide plate 800 in this embodiment is provided with a push portion 812 extending upward at an end close to the push rod 213, and the horizontal rod 2132 drives the slide plate 800 to move by driving the push portion 812.

Therefore, in the unlocked state of the locking element 300, the compression spring can be compressed and reset and then can be extended and deformed along the direction of the guide post 710, so that the sliding plate 800 is driven to slide by pushing the push plate 811, the sliding plate 800 is stably kept in the reset state, the top part 810 can jack the weight 600, and the exhaust pipe 500 can be always in the exhaust state. The deformation drive slide plate 800 that resets through piece 900 self resets in this embodiment keeps at the state that resets, compares other drive structures, and its reaction is faster, and the structure is also simpler, easily machine-shaping. When the reset piece is not arranged, the heavy hammer can be maintained at the exhaust position in various ways, such as repulsion and attraction of the magnets, so as to overcome the gravity of the heavy hammer and realize communication with the outside.

When the locking piece 300 is unlocked, the sliding plate jacks up the heavy hammer 600 through the jacking top 810, so that the heavy hammer 600 is inclined, and an outlet at the upper end of the exhaust pipe 500 is opened, therefore, when the pot cover 200 is covered on the pot body 100, steam in the cooking cavity is exhausted through the exhaust pipe 500, so that the pressure in the cooking cavity is reduced, the cover closing of the pot cover 200 in a hot state is more forceful, and the use experience of a user is improved; in addition, the sliding plate 800 in the embodiment is installed on the valve seat 700 in a sliding manner in a translation manner, so that the problem that the height of the pot cover 200 is large when the sliding plate 800 is installed in a longitudinal sliding manner is avoided.

The weight 600 in this embodiment is provided with a hollow cavity 610 with an open lower end and a sealing plug 611 arranged at the top of the hollow cavity 610 and inserted into the exhaust pipe 500, an avoiding space for accommodating the top 810 is arranged between the inner side surface of the hollow cavity 610 and the exhaust pipe 500, the pressure spring is compressed under the action of the exhaust control member, the top 810 is located in the avoiding space, and the weight 600 falls back under the action of self weight to make the sealing plug 611 plug the upper end outlet of the exhaust pipe 500, so that pressure cooking is realized.

In order to make the top part 810 smoothly lift the weight 600, the top part 810 in this embodiment is formed by the top surface of the sliding plate protruding upward, the top part 810 is located on the connecting line of the center of the inner lid 220 and the center of the exhaust pipe 500, the top part 810 is provided with a guide inclined surface 8101 for lifting the weight 600, the guide inclined surface 8101 inclines from high to low toward the center of the inner lid 220, and the bottom of the inner side surface of the weight 600 is provided with a chamfer matching with the guide inclined surface 8101. Thus, the chamfer and the guiding inclined surface 8101 cooperate to further improve the smoothness of the top 810 for jacking up the weight 600.

In order to avoid the occurrence of the phenomenon that the lifting top 810 is shifted when sliding and cannot lift the weight 600, in this embodiment, sliding grooves extending along the radial direction of the inner cover 220 are respectively formed on both sides of the push plate 811 of the valve seat 700, and a slider 813 inserted in the sliding grooves in a sliding manner is formed on the sliding plate 800. In this way, the sliding block 813 moves along the sliding groove, so as to play a role of guiding the sliding plate 800 to slide along the radial direction of the inner cover 220, thereby ensuring that the lifting top 810 can lift the heavy punch 600 in the state that the locking member 300 is unlocked, and enabling the exhaust pipe 500 to exhaust steam; meanwhile, the sliding groove can limit the sliding plate 800 in the vertical direction and the direction perpendicular to the sliding direction.

In order to further limit the sliding distance of the inner cover 220 in the radial direction of the sliding plate 800 and avoid the sliding plate 800 from sliding excessively, through holes for the exhaust pipe 500 to sequentially penetrate through are respectively arranged on the valve seat 700 and the sliding plate 800 in the embodiment, the bottom end of the exhaust pipe 500 penetrates through the sliding plate 800 and the valve seat 700 and then extends into the cooking cavity, and then the exhaust pipe is locked and fixed on the inner cover 220 through nuts. In this embodiment, the aperture of the through hole formed in the sliding plate 800 is larger than the outer diameter of the exhaust pipe 500, and the through hole formed in the sliding plate 800 is a slotted hole or a circular hole, so that the sliding plate 800 can slide in a translational manner relative to the exhaust pipe 500. Therefore, the through holes formed on the sliding plate 800 are contacted with the exhaust pipe 500 to limit the sliding distance of the sliding plate 800, so as to prevent the top 810 from sliding excessively to jack up the weight 600, and meanwhile, due to the design, an additional limit structure can be omitted, thereby further simplifying the overall structure of the inner lid 220.

In the embodiment, the driving mechanism is used as a power source of the rotary disc 400, namely, exhaust and pressure relief are required, the driving mechanism needs to be started, in order to prevent the calipers from generating unlocking action due to the starting of the driving mechanism in the exhaust process, a rotation track of the rotary disc 400 in the opening process of the calipers is designed to be two-section, the two-section sequentially comprises a first stroke and a second stroke, the pressure cooking appliance executes an uncovering procedure, the rotary disc 400 must firstly complete the first stroke, the push rod 213 is driven to move radially inwards in the first stroke, so that the pressure spring pushes the sliding plate 800 to reset, the heavy punch 810 jacks up the heavy punch 600 to realize exhaust and pressure relief, the calipers keep a locked state, the calipers are prevented from generating potential safety hazard due to the unlocking action, even if the calipers generate displacement, the calipers can be opened by the rotary disc 400, at this time, the radial position of the push rod 213 in the second stroke remains unchanged, so that even though the exhaust pipe 500 remains in an open state, the pressure difference inside and outside the cooking cavity is reduced, the cover opening resistance is reduced, and the caliper is opened more smoothly. Referring to fig. 2 and 3, the specific scheme is as follows: the driving slot 410 on the rotary table 400 comprises a first diameter-changing section 4101 and a first diameter-changing section 4100, one end of the first diameter-changing section 4100 connected with the first diameter-changing section 4101 is closer to the center of the rotary table than the other end of the first diameter-changing section 4100, the transmission column of the caliper is in a first stroke when relatively sliding in the first diameter-changing section 4101, at this time, the rotary table 400 does not drive the caliper to move, the transmission column of the caliper is in a second stroke when relatively sliding in the first diameter-changing section 4100, at this time, the rotary table 400 can drive the caliper to linearly reciprocate, and the unlocking or locking of the caliper is realized. The guide groove 411 comprises a second equal-diameter section 4111 and a second reducing section 4110, one end of the second reducing section 4110, which is connected with the second equal-diameter section 4111, is closer to the center of the turntable than the other end of the second reducing section 4110, the vertical rod 2131 is in a first stroke when sliding relatively in the second reducing section 4110, and at the moment, the turntable 400 can drive the push rod 213 to move radially and reciprocally and is matched with a pressure spring to realize the opening and closing of the pressure limiting valve; the vertical rod 2131 has a second stroke when sliding relatively in the second equal-diameter section 4111, at this time, the rotating disc 400 does not drive the push rod 213 to move, and the pressure spring keeps the opening state of the pressure limiting valve. Therefore, in the cooking process, if the air exhaust and pressure relief are to be realized, only the rotary table 400 needs to be driven to complete the first stroke, at the moment, the caliper keeps the locking state, the pressure limiting valve is switched from the closing state to the opening state, and after the pressure relief is completed, the rotary table 400 is driven to complete the second stroke, so that the caliper is unlocked from the pot body 100, and meanwhile, the opening state of the pressure limiting valve is kept. The guide groove can be arranged on the push rod, the vertical rod is arranged on the turntable, and the functions can be realized.

In the embodiment, the push rod 213 is linked with the driving mechanism for driving the caliper, so that the pressure limiting valve can be opened while the caliper and the pot body 100 are unlocked, the pressure limiting valve can be closed while the caliper and the pot body 100 are locked, other electromagnetic valve component driving mechanisms are not needed to drive the sliding plate to move, and the structure is simple and compact.

The upper cover 210 in this embodiment is provided with a valve cavity 214 for accommodating the weight 600, the top surface of the valve cavity 214 is provided with an air outlet communicated with the outside, the top surface of the inner cover 220 is further provided with a sealing ring 221 which is matched with the valve cavity 214 to form a sealing cavity, and the valve seat 700 and the sliding plate are located in the sealing cavity. Thus, the steam discharged from the exhaust pipe 500 can be guided to be discharged out of the pot body 100, and the steam is prevented from being discharged to other parts of the pot cover 200 to cause contamination.

It can be understood that, in this embodiment, the guiding inclined plane at the top of the lifting part is an inclined plane inclined from high to low in a direction away from the center of the inner cap, the bottom of the outer side surface of the heavy punch is provided with a chamfer matched with the guiding inclined plane, when the pressure spring is in a normal state, the pressure spring drives the top of the lifting part to be away from the heavy punch, so that the lifting part is located outside the heavy punch to avoid the heavy punch, one end of the second reducing section 4110 connected with the second equal-diameter section 4111 is far away from the center compared with the other end of the second reducing section 4110, the vertical rod is in a first stroke when sliding relatively in the second reducing section 4110, at this time, the turntable can drive the push rod 213 to reciprocate radially, the caliper is in a locked state, the vertical rod slides in the second reducing section 4110 in a direction close to the second equal-diameter section 4111, at this time, the push rod pushes the; when the vertical rod slides in the second reducing section towards the direction far away from the second equal-diameter section 4111, the push rod moves inwards in the radial direction, the slide plate is reset by the pressure spring, the top part of the push rod avoids a heavy hammer, the pressure limiting valve is closed, and pressure cooking is realized; the vertical rod has a second stroke when sliding relatively in the second equal-diameter section, the rotating disc cannot drive the push rod to act, the push rod keeps the opening state of the pressure limiting valve, and the calipers are unlocked. Therefore, in the cooking process, if the exhaust and pressure relief are realized, the turntable is only required to be driven to complete the first stroke, the caliper keeps the locking state, the pressure limiting valve is switched from the closing state to the opening state, and after the pressure relief is completed, the turntable is driven to complete the second stroke, so that the caliper is unlocked from the pot body, and meanwhile, the opening state of the pressure limiting valve is kept.

It can be understood that, a person skilled in the art can also adopt the electromagnetic valve to drive the pushing part to do radial reciprocating motion, when the calipers are unlocked, the electromagnetic valve is powered off, the valve rod of the electromagnetic valve moves towards the center direction of the pot cover and is far away from the pushing part, and at the moment, the pressure spring resets and drives the sliding plate to be kept in a reset state, so that the top lifting part jacks the heavy hammer; when the calipers are locked, the electromagnetic valve is electrified, a valve rod of the electromagnetic valve pushes the jacking portion to move radially outwards, so that the jacking portion is located in the avoidance space, the heavy hammer falls back under the action of self weight, and the pressure limiting valve is closed.

It can be understood that the locking piece can also be a locking ring, the motor or the handle drives the locking ring to rotate so as to be locked or unlocked with the pot teeth of the pot body, the locking ring is provided with the guide groove, and in the process that the locking teeth are locked or unlocked with the pot teeth of the pot body through rotation of the locking ring, the guide groove drives the push rod to do radial reciprocating motion and the pressure spring to cooperate, so that the opening and closing of the pressure limiting valve can be realized. So that the sliding plate jacks up the heavy punch through the top lifting part to exhaust steam when the lock ring is in an unlocked state. The detailed implementation of the present solution will be readily apparent to those skilled in the art from the description of the preferred embodiments, and will not be described in detail herein.

Example two:

compared with the first embodiment, referring to fig. 8-11, the main difference of the present embodiment is that the weight control element is rotatably disposed on the valve seat, specifically, the weight control element is a rocker 800, the valve seat 700 is provided with an installation groove 710, two rotation shaft holes are disposed in the installation groove 710, a rotation shaft matched with the rotation shaft holes is disposed in the middle of two sides of the rocker 800, the rocker 800 is rotatably mounted on the valve seat 700 through the matching of the rotation shaft and the rotation shaft holes, one end of the rocker 800 is located below the weight 600, a reset element 900 is mounted between one end of the rocker 800 and the bottom wall of the installation groove 710, the reset element 900 is a compression spring, a torsion spring, a silicone sleeve or a rubber sleeve, in the present embodiment, the reset element 900 is preferably a compression spring, and when the locking element 300 is in the unlocking state, the compression spring is in a normal state and drives one end of the rocker 800 to tilt up the weight 600, when the pot cover 200 is covered on the pot body 100, steam in the cooking cavity is exhausted through the exhaust pipe 500, so that the pressure in the cooking cavity is reduced, the cover closing of the pot cover 200 in a hot state is more labor-saving, and the use experience of a user is improved; in addition, the piece 900 that resets through self the one end that the deformation can drive the wane keep in the perk state, compares other drive structures, and its reaction is faster, and the structure is also simpler, easily machine-shaping.

Referring to fig. 12, in this embodiment, an upper positioning protrusion 820 extending downward is further disposed at one end of the rocker, a lower positioning protrusion 720 is disposed on the valve seat 700, and two ends of the compression spring are respectively fixed on the upper positioning protrusion 820 and the lower positioning protrusion 720. Therefore, the pressure spring can be prevented from being separated, and one end of the warping plate is kept in a tilting state under the driving of the pressure spring.

Referring to fig. 10, in order to enable one end of the rocker 800 to smoothly lift the weight 600, in the embodiment, one end of the rocker is provided with a top portion 810 formed by extending upward, the top portion 810 has an arc surface for lifting the weight 600, and a center of the arc surface is collinear with a rotation center line of the rocker, so that when one end of the rocker is lifted, the arc surface can smoothly lift the weight 600, and the top portion 810 and the weight 600 are prevented from being stuck. Preferably, the top portion 810 in this embodiment is a cylinder with an arc line as its axis, and the center of the arc line is collinear with the rotation axis.

In order to avoid that the lifted-up weight 600 falls back again due to the transition tilting of the top portion 810, so that the exhaust pipe 500 cannot exhaust steam or influence the exhaust amount, a limiting plate 730 is further installed on the valve seat 700 in the embodiment, the limiting plate 730 is fixed on the valve seat 700 through a screw, the tilting plate 800 is located in a space defined by the limiting plate 730 and the installation groove 710, a through hole 731 for the top portion 810 to penetrate through is formed in the limiting plate 730, when the top portion 810 tilts up, the tilting amplitude of the top portion 810 can be limited by the tilting plate 800 abutting against the limiting plate 730, so that the top portion 810 keeps the state of the lifted-up weight 600, and the exhaust amount of the exhaust pipe 500 is further ensured. In order to make the entire structure of the inner lid 220 more compact, through holes for the exhaust pipe 500 to pass through are formed in both the valve seat 700 and the stopper plate 730 in this embodiment.

It can be understood that, in other embodiments, the valve seat may further be provided with a limit boss, and the other end of the rocker abuts against the limit boss to limit the tilting amplitude of the tilting top; or the two structures of the limiting boss and the limiting plate are adopted to limit the tilting amplitude of the top part together.

In this embodiment, the exhaust control member is arranged to act on the rocker 800, the rocker 800 rotates under the action of external force, so that the top 810 falls and compresses the compression spring, and at this time, the weight 600 falls back under the action of its own weight to make the sealing plug 610 block the upper end outlet of the exhaust pipe 500, thereby implementing pressure cooking (refer to fig. 13 and 14). Specifically, the other end of the rocker in this embodiment is provided with a pushing portion 812 extending upward to form, the rotation motion of the turntable 400 can be converted into a radial linear reciprocating motion of the vertical rod 2131 through the guide slot 411, that is, the horizontal rod 2132 is driven to perform a radial linear reciprocating motion, and the horizontal rod 2132 can push the pushing portion 812 to move toward a direction close to the exhaust pipe 500 after moving radially outward, so as to drive the other end of the rocker to tilt, so that the top portion 810 falls to avoid the heavy hammer 600. It should be noted that, when the rotary disc 400 rotates to drive the caliper to move radially inward through the driving slot 410, so that the caliper is locked with the pot body 100, at this time, the guiding slot 411 does not drive the pushing rod 213 to move radially outward, the horizontal rod 2132 does not move toward the pushing portion 812, and the top portion jacks up the weight; when the rotary disc 400 rotates to completely move the caliper radially inward, and the caliper is locked with the pot body, the rotary disc is further rotated, at this time, the guide slot 411 drives the push rod 213 to move radially outward, so that the horizontal rod 2132 moves toward the rocker 800 and pushes the pushing part 812 to move radially outward, the top 810 falls to avoid the heavy punch 600, and the pressure spring is compressed, at this time, the heavy punch 600 falls back and seals the upper end outlet of the exhaust pipe 500, and pressure cooking is realized (as shown in fig. 13 to 14); when the turntable 400 rotates in the opposite direction, the caliper does not move radially outward under the action of the driving groove 410 within a certain rotation angle, but at this time, the guiding groove 411 drives the push rod 213 to move radially inward, so that the horizontal rod 2132 moves toward a direction away from the rocker 800, i.e., moves radially inward, and at this time, the compression spring extends to drive one end of the rocker to tilt, so that the lifting top 810 lifts the weight 600, and the exhaust of the exhaust pipe 500 is realized (as shown in fig. 8 and 12). When the rotating disc 400 rotates reversely, the driving slot 410 drives the caliper to move radially outward to unlock the caliper from the pot body 100, and the guiding slot 411 does not drive the push rod 213 to move radially inward, so that the weight keeps on keeping the exhaust position.

In addition, since the push rod 213 is far away from the rocker 800 when the caliper and the pot body 100 are unlocked, when the inner lid 220 is assembled, in order to avoid the interference between the push portion 812 and the push rod 213 causing the inner lid 220 not to be assembled smoothly, in the embodiment, when the top portion 810 is tilted, one side of the push portion 812 facing the push rod 213 is a vertical plane.

In order to avoid the bending of the pushing part 812, a reinforcing plate 840 is further disposed on a side of the pushing part 812 departing from the push rod 213 in this embodiment, the reinforcing plate 840 is perpendicular to the pushing part 812, a first guiding surface 732 is disposed on a side of the limiting plate 730 facing the reinforcing plate 840, the reinforcing plate 840 is provided with a second guiding surface 841 matching with the first guiding surface 732, and the first guiding surface 732 and the second guiding surface 841 are both arc-shaped surfaces. In this way, the cooperation of the first guide surface 732 and the second guide surface 841 can ensure that the rocker 800 rotates smoothly, thereby preventing the rocker 800 from being stuck during rotation.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and 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 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. Pressure cooking utensil, including the pot body and pot cover, the pot cover can be established by the lid on the pot body, the pot cover includes upper cover and removable inner cup, be equipped with the pressure limiting valve in the removable inner cup, the pressure limiting valve includes blast pipe and detains the weight of putting on the blast pipe, the weight includes the exhaust position of blast pipe and external intercommunication, and blast pipe and the isolated shutoff position in external, its characterized in that still includes weight control spare and resets, weight control spare sets up in removable inner cup, weight control spare is in the effect that resets makes the weight is in exhaust position.

2. The pressure cooking appliance of claim 1, wherein said removable inner lid further comprises a valve seat, and said weight control member is a rocker pivotally mounted on said valve seat.

3. The pressure cooking appliance of claim 1, wherein said removable inner lid further comprises a valve seat, and wherein said weight control member comprises a slide plate that is translationally slidable on said valve seat.

4. The pressure cooking appliance according to claim 2, wherein one end of said seesaw is provided with a top portion formed to extend upward and push up said weight, and the other end of said seesaw is provided with a pushing portion formed to extend upward.

5. The pressure cooking appliance of claim 3, wherein one end of said slide plate is provided with a lifting portion formed to extend upward and lift said weight, and the other end of said slide plate is provided with a pushing portion formed to extend upward.

6. The pressure cooking appliance of claim 4, wherein a side of the pushing part is a vertical plane when one end of the seesaw is tilted.

7. The pressure cooking appliance according to claim 5, wherein the weight has a hollow cavity with an open lower end and a sealing plug provided on the top of the hollow cavity and inserted into the exhaust pipe, and an escape space for accommodating the top is provided between the inner side of the hollow cavity and the exhaust pipe.

8. The pressure cooking appliance of claim 4, wherein a limiting plate is further mounted on the valve seat, the limiting plate is provided with a through hole for the raised top to pass through, and the limiting plate abuts against the seesaw to limit the tilting amplitude of the raised top; and/or a limiting boss is arranged on the valve seat, and the other end of the wane abuts against the limiting boss to limit the tilting amplitude of the tilting top.

9. The pressure cooking appliance of claim 3, wherein said valve seat has a guide post extending along a sliding direction of said slide plate, said slide plate has a lower push plate extending downward, and said reset member is fitted over said guide post and abuts against said lower push plate.

10. The pressure cooking appliance of claim 2, wherein said rocker is provided at one end thereof with an upper positioning protrusion extending downward, said valve seat is provided with a lower positioning protrusion, and both ends of said returning member are respectively fixed to said upper positioning protrusion and said lower positioning protrusion.