CN209863374U - Electric pressure cooker with safety cover - Google Patents

Abstract

The utility model discloses an electric pressure cooker with a safe cover, which belongs to the field of kitchen appliances and solves the safety problem caused by the false cover opening of the prior electric pressure cooker under the cooking state, the electric pressure cooker with the safe cover opening comprises a cooker body and a cooker cover, one side of the cooker cover is hinged with the cooker body, the other side of the cooker cover is detachably buckled with the cooker body, the cooker cover is provided with a locking piece and a rotating seat used for driving the locking piece to lock the cooker body or unlock, the cooker cover is also provided with an opening stopping component, the locking piece is used for locking the cooker cover and the cooker body under the locking state, the opening stopping component comprises an opening stopping sliding plate which is opposite to the translational motion of the cooker cover, one side of the opening stopping sliding plate is provided with an opening stopping guide groove, the rotating seat is provided with a transmission column, the rotating motion of the rotating seat drives the transmission column to move in the opening, so as to drive the opening stopping sliding plate to do translational motion.

Description

Electric pressure cooker with safety cover

[ technical field ] A method for producing a semiconductor device

The utility model relates to a kitchen appliance field especially relates to an electric pressure cooker that uncaps safely.

[ background of the invention ]

In the known integral electric pressure cooker, one side of a cooker cover is hinged to a cooker body, the other side of the cooker cover is buckled with the cooker body to keep the cooker cover in a closed state, and a locking member is arranged on the cooker cover and used for locking the cooker body so as to enable the cooker cover and the cooker body to form a closed cooking cavity. For the integrated electric pressure cooker, before cooking, the cooker cover firstly covers the cooker body, then the cooker body is locked by the locking part, when the cooker is opened after cooking, the locking state of the locking part is firstly released, then the cover opening button is pressed, and the cooker cover is bounced open under the action of the hinge spring. At culinary art in-process, the culinary art chamber is high pressure environment, if at this moment press the button of uncapping, because the retaining member still is in the closure state, the elasticity of hinge spring can make the pot cover upwards beat, not only leads to producing obvious gap between pot cover and the pot body, still can appear a series of problems such as interior pot slope, retaining member unblock difficulty, reduces product safety in utilization and user experience.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide an electric pressure cooker that uncaps safely, can restrict the operation of uncapping under the condition of the pot cover closure pot body, promote product safety in utilization and user experience.

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

electric pressure cooker who uncaps safely, including the pot body and pot cover, pot cover one side is articulated to be connected the pot body, the detachable lock of pot cover opposite side detachable the pot body, be equipped with the retaining member on the pot cover and be used for driving the retaining member closure the roating seat of pot body or unblock, still be equipped with on the pot cover and end the subassembly, under the retaining member closure state, end the subassembly and be used for the locking the pot cover with the lock state of the pot body, it is including relative to end the subassembly the slide of opening of pot cover translational motion, it is equipped with and ends the guide slot to end slide one side, be equipped with the transmission post on the roating seat, the rotary motion of roating seat drives the transmission post is in end the guide slot internal motion, in order to drive end the slide of opening and.

In the electric pressure cooker with the safety cover, an exhaust push rod for exhaust switching is further arranged on the cooker cover, an exhaust guide groove in sliding fit with the exhaust push rod is arranged on the rotary base and comprises an exhaust driving stroke section and an exhaust maintaining stroke section, the open-stopping guide groove comprises an open-stopping driving stroke section and an open-stopping maintaining stroke section, the exhaust push rod is located in the exhaust driving stroke section, the transmission column is located in the open-stopping maintaining stroke section, and when the exhaust push rod is located in the exhaust maintaining stroke section, the transmission column is located in the open-stopping driving stroke section.

In the electric pressure cooker of above-mentioned safety cover, the retaining member is calliper, be equipped with the spliced pole on the calliper, be equipped with on the roating seat with spliced pole sliding fit's calliper guide slot, the calliper guide slot includes calliper drive stroke section and calliper and keeps the stroke section, the spliced pole is located during calliper drive stroke section, the transmission post is located end drive stroke section, the spliced pole is located when calliper keeps the stroke section, the transmission post is located end and open and keep the stroke section.

In the electric pressure cooker with the safety cover, the opening stopping assembly further comprises an opening stopping sliding block which moves up and down relative to the cooker cover, and the translational motion of the opening stopping sliding block enables the opening stopping sliding block to move up and down so as to lock the buckling state or unlock the cooker cover and the cooker body.

In the electric pressure cooker with the safety cover, the opening stopping sliding plate is provided with a first inclined table, the opening stopping sliding block is provided with a stop dog, and the stop dog slides along the inclined plane of the first inclined table by the translational motion of the opening stopping sliding plate.

In the electric pressure cooker of the above safety cover, the opening stopping slider is installed on the cooker cover through the pressing plate, the opening stopping slider comprises a connecting rod and an opening stopping rod, the connecting rod and the opening stopping rod are arranged in a staggered mode in the vertical direction, the stop block is arranged at the upper end of the connecting rod, a through hole is formed in the pressing plate, and the opening stopping rod penetrates through the through hole.

In the electric pressure cooker with the safety cover, the opening stopping slide block is provided with a second inclined table, and the translational motion of the opening stopping slide block pushes and presses the second inclined table so as to enable the opening stopping slide block to move downwards.

In the electric pressure cooker with the safety cover, the cover is provided with the guide post, the opening stopping slide block is provided with the guide hole, and the guide post is inserted into the guide hole.

In the electric pressure cooker with the safety cover, the opening stopping sliding plate is provided with a guide groove, the guide post is inserted into the guide groove, and the opening stopping sliding plate and the opening stopping sliding block are limited on the guide post together.

In the electric pressure cooker with the safety cover, the cover is provided with a fixed buckle, the body is provided with a movable buckle and a cover opening button, and the opening stopping slider locks the buckling state of the cover and the body by limiting the action of the movable buckle or the cover opening button.

The utility model has the advantages that:

the utility model discloses electric pressure cooker that uncaps safely, including the pot body and pot cover, pot cover one side is articulated to be connected the pot body, the detachable lock of pot cover opposite side liftoff lock the pot body, be equipped with the retaining member on the pot cover and be used for driving the retaining member closure the roating seat of the pot body or unblock, still be equipped with on the pot cover and can be in locking under the retaining member closure state the pot cover with the subassembly that ends of the lock state of the pot body, it is including relative to end the subassembly the slide that ends of pot cover translational motion, it is equipped with the guide slot that ends to open slide one side, be equipped with the transmission post on the roating seat, the rotary motion of roating seat drives the transmission post is in end the guide slot internal motion, in order to drive end the slide and.

Electric pressure cooker, can close the lid for revolving the knot formula, the retaining member is for taking the metal covering or the lock collar of covering the tooth promptly, through the rotary motion lock to the pot body on, also can close the lid for the caliper formula, the retaining member is calliper, utilizes the calliper closure pot body. The cooker body and the cooker cover are mutually buckled through a pair of buckles, one buckle is linked with the cover opening button, and the pair of buckles can be separated by pressing the cover opening button. According to the technical scheme of the utility model, when the retaining member is in the closure state, because the lock state of the subassembly locking pot cover and the pot body of only opening, the lock state of locking the buckle promptly, even the user presses the button of uncapping, also can't remove this lock state, has restricted the operation of uncapping under the condition of the retaining member closure pot body, has avoided the safety problem that the culinary art in-process mistake uncapped and to the damage of product, promotes product safety in utilization and user experience.

Because the opening stopping sliding plate and the locking member are both provided with driving force by the rotating seat, the translational motion of the opening stopping sliding plate is related to the locking and unlocking motion of the locking member, namely, the opening stopping sliding plate is translated to a position enabling the opening stopping assembly to lock the buckling state of the pot cover and the pot body, the locking member is in a locking position, the opening stopping sliding plate is translated to a position enabling the opening stopping assembly to release the locking state, the locking member is in an unlocking position, if the opening stopping assembly cannot lock the buckling state of the pot cover and the pot body, the locking member is not locked in place, on a production line, whether the function of the locking member is abnormal or not can be checked through the opening stopping assembly, the product quality inspection cost is reduced, and the quality safety of products leaving the.

The pot cover is further provided with an exhaust push rod for exhaust switching, the rotating seat is provided with an exhaust guide groove in sliding fit with the exhaust push rod, the exhaust guide groove comprises an exhaust driving stroke section and an exhaust retaining stroke section, the open-stopping guide groove comprises an open-stopping driving stroke section and an open-stopping retaining stroke section, the exhaust push rod is located in the exhaust driving stroke section, the transmission column is located in the open-stopping retaining stroke section, and the exhaust push rod is located in the exhaust retaining stroke section, the transmission column is located in the open-stopping driving stroke section.

Still be equipped with discharge valve on the pot cover usually, utilize the discharge push rod to switch discharge valve's switching state, the utility model discloses a roating seat drives the discharge push rod, need not to set up electric drive device (like solenoid valve etc.) alone for realizing exhausting among the prior art, has further reduced the utility model discloses an implementation cost. When the exhaust push rod is positioned in the exhaust driving stroke section, the rotary seat can drive the exhaust push rod to act, and when the exhaust push rod is positioned in the exhaust maintaining stroke section, the position of the exhaust push rod relative to the rotary seat is kept unchanged, and the exhaust valve keeps an exhaust state; when the transmission column is positioned in the opening stopping driving stroke section, the rotating seat can drive the opening stopping sliding plate to make translational motion, and when the transmission column is positioned in the opening stopping maintaining stroke section, the position of the opening stopping sliding plate relative to the rotating seat is kept unchanged, and the opening stopping assembly locks and maintains the buckling state of the pot cover and the pot body. When the exhaust push rod is positioned in the exhaust driving stroke section, the transmission column is positioned in the opening stopping keeping stroke section, and in the process of switching the exhaust valve into the exhaust state, the opening stopping assembly still locks the buckling state of the cooker cover and the cooker body, so that on one hand, the cooker cover can not be opened under the condition of residual pressure in the cooker, the use safety is ensured, and on the other hand, the problems of inclination and shaking of the exhaust valve and unsmooth exhaust caused by the fact that the cooker cover and the cooker body are released from the buckling state can be avoided; when the exhaust push rod is positioned in the exhaust retaining stroke section, the transmission column is positioned in the opening stopping driving stroke section, when the opening stopping assembly acts, the exhaust valve keeps an exhaust state, the pressure inside and outside the cooking space is balanced, the movement resistance of the locking piece is reduced, and the problem that the pot cover cannot be locked in a hot state is solved.

The retaining member is calliper, be equipped with the spliced pole on the calliper, be equipped with on the roating seat with spliced pole sliding fit's calliper guide slot, the calliper guide slot includes calliper drive stroke section and calliper and keeps the stroke section, and when the spliced pole was located calliper drive stroke section, the roating seat can drive calliper and open and shut the action on the pot cover radial direction, and when the spliced pole was located calliper and keeps the stroke section, the calliper closure pot body and relative roating seat position remained unchanged. When the connecting column is positioned in the caliper driving stroke section, the transmission column is positioned in the opening stopping driving stroke section, when the connecting column is positioned in the caliper keeping stroke section, the transmission column is positioned in the opening stopping keeping stroke section, under the driving of the rotating seat, the opening stopping sliding plate and the calipers synchronously act, namely, when the opening stopping sliding plate is translated to a position enabling the opening stopping assembly to lock the pot cover and the pot body in a buckling state, the calipers are locked in place, and when the opening stopping sliding plate is translated to a position enabling the opening stopping assembly to release the locking state, the calipers are completely unlocked; and when the spliced pole was located calliper and keeps the stroke section, the roating seat can drive the action of exhaust push rod to calliper can keep the closure state when making the push rod action switch exhaust state, and only the spliced pole gets into calliper drive stroke section, just can drive calliper unblock, and discharge valve keeps open mode during calliper unblock, reduces the inside and outside pressure differential in the culinary art space, reduces the resistance of uncapping, and calliper unblock is more smooth and easy.

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 a schematic view of a three-dimensional structure of an electric pressure cooker in an embodiment of the present invention;

fig. 2 is a schematic view of an explosion structure of an electric pressure cooker according to a first embodiment of the present invention;

fig. 3 is a schematic view of a lining structure of a pot cover according to a first embodiment of the present invention;

fig. 4 is an exploded view of a break-away module according to an embodiment of the present invention;

fig. 5 is a schematic partial cross-sectional view of an electric pressure cooker according to a first embodiment of the present invention (locking state of the locking assembly);

fig. 6 is a top view of a liner cover according to a first embodiment of the present invention (locked state of the opening stop assembly);

fig. 7 is a schematic partial cross-sectional view of an electric pressure cooker according to a first embodiment of the present invention (an unlocked state of the locking assembly);

fig. 8 is a top view of a liner cover according to an embodiment of the present invention (an unlocked state of the opening stop assembly);

fig. 9 is a schematic structural view of an electric pressure cooker in the second embodiment of the present invention;

fig. 10 is a schematic structural view of a second embodiment of the present invention showing a stop slider;

fig. 11 is a schematic view illustrating a connection between the disconnecting member and the rotary base according to a second embodiment of the present invention;

fig. 12 is a schematic partial cross-sectional view of an electric pressure cooker according to a second embodiment of the present invention (locking state of the locking assembly);

fig. 13 is a schematic partial cross-sectional view of an electric pressure cooker according to a second embodiment of the present invention (an unlocked state of the locking assembly);

reference numerals:

100 pot covers, 110 surface covers, 120 lining covers, 121 guide posts, 130 inner covers and 140 fixing buckles;

200 pan bodies, 210 cover opening buttons and 220 movable buckles;

300 calipers, 310 connecting column;

400 rotating seats, 410 caliper guide grooves, 411 caliper holding stroke sections, 412 caliper driving stroke sections, 420 transmission columns, 430 exhaust guide grooves, 431 exhaust holding stroke sections and 432 exhaust driving stroke sections;

500 stop slide plate, 510 stop guide groove, 511 stop keeping stroke section, 512 stop driving stroke section, 520 first inclined platform, 521 sliding groove, 530 slide plate, 531 guide groove, 532 curling edge, 533 groove and 540 slide plate bracket;

600 stop sliding blocks, 610 pressing plates, 620 stop rods, 611 through holes, 630 connecting rods, 640 stoppers, 650 first return springs, 660 second inclined platforms, 670 guide holes and 680 second return springs;

700 exhausting the pushrod.

[ detailed description ] embodiments

The utility model provides an electric pressure cooker that safety was uncapped, including the pot body and pot cover, pot cover one side is articulated to be connected the pot body, the detachable lock of pot cover opposite side liftoff lock the pot body, be equipped with the retaining member on the pot cover and be used for driving the retaining member closure the roating seat of the pot body or unblock, still be equipped with on the pot cover and can be in locking under the retaining member closure state the pot cover with the subassembly that ends of pot body closure state, it is including relative to end the subassembly the slide that ends of pot cover translational motion, it is equipped with the guide slot that ends to open slide one side, be equipped with the transmission post on the roating seat, the rotary motion of roating seat drives the transmission post is in end the guide slot internal motion, in order to drive end the slide and make translational. When the retaining member is in the closure state, owing to the lock state of the subassembly locking pot cover and the pot body of stopping opening, even the user presses the button of uncapping, also can't remove this lock state, restricted the operation of uncapping under the condition of the retaining member closure pot body, avoided the safety problem that the culinary art in-process mistake was uncapped and is led to and the damage to the product, promote product safety in utilization and user experience. In addition, the opening stopping sliding plate and the locking member are both provided with driving force by the rotating seat, so that the translational motion of the opening stopping sliding plate is related to the locking and unlocking motion of the locking member, namely, the opening stopping sliding plate is translated to a position enabling the opening stopping assembly to lock the buckling state of the pot cover and the pot body, the locking member is in a locking position, the opening stopping sliding plate is translated to a position enabling the opening stopping assembly to release the locking state, the locking member is in an unlocking position, if the opening stopping assembly cannot lock the buckling state of the pot cover and the pot body, the locking member on the surface is not locked in place, on a production line, whether the function of the locking member is abnormal can be checked through the opening stopping assembly, the product quality checking cost is reduced, and the quality safety of.

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.

Example one

Referring to fig. 1-3, an electric pressure cooker with a safe cover according to an embodiment of the present invention includes a cooker body 200 and a cover 100, wherein one side of the cover 100 is hinged to the cooker body 200, the other side of the cover 100 detachably fastens the cooker body 200, the cover 100 is provided with a locking member and a rotary seat 400 for driving the locking member to lock or unlock the cooker body 200, specifically, the cover 100 of the present embodiment includes an upper cover assembled by a lining cover 120 and a surface cover 110 and an inner cover 130 installed inside the upper cover, the locking member is a caliper 300 and is disposed on the lining cover 120 in pairs, the rotary seat 400 is rotatably connected to the lining cover 120, the rotary motion of the rotary seat 400 can be converted into the linear reciprocating motion of the caliper 300, so as to correspondingly lock or unlock the cooker body 200, for example, the caliper 300 is provided with a connecting column 310, the rotary seat 400 is provided with a caliper guide slot 410 slidably engaged with the connecting column 310, the rotary motion, thereby driving the calipers 300 to open and close in the radial direction of the pot cover 100. In an actual product, the rotary base 400 is driven to rotate by rotating a handle or a motor and the like, so that the locking and unlocking of the caliper 300 can be switched.

Referring to fig. 7, the other end of the lid 100 opposite to the hinged end thereof is provided with a fixed buckle 140, the pot body 200 is correspondingly provided with a movable buckle 220 and a lid opening button 210, the fixed buckle 140 and the movable buckle 220 are mutually buckled when the lid 100 is closed to keep the lid 100 in a closed state, and when the lid opening button 210 is pressed after the caliper 300 is unlocked, the lid opening button 210 drives the movable buckle 220 to be disengaged from the fixed buckle 140, so that the lid 100 can be opened.

If the cover opening button is mistakenly pressed in the cooking process of the electric pressure cooker, the cooker cover can jump upwards under the elastic action of the hinge spring, so that an obvious gap is generated between the cooker cover and the cooker body, a series of problems such as inclination of the inner cooker and difficulty in unlocking the locking part can also occur, and the use safety of products and the user experience are reduced. In order to solve the problem, in the embodiment, the liner cover 120 is provided with the opening stopping component, the opening stopping component can lock the buckling state of the pot cover 100 and the pot body 200 in the locking state of the caliper 300, that is, the buckling state of the fixed buckle 140 and the movable buckle 220 is also locked, even if a user presses the opening button 210, the buckling state cannot be released, the opening operation is limited under the condition that the caliper 300 locks the pot body 200, the safety problem caused by mistaken opening of the cover in the cooking process and the damage to the product are avoided, and the use safety and the user experience of the product are improved.

The opening stopping assembly of the present embodiment includes an opening stopping sliding plate 500 moving in a translational manner relative to the pot cover 100, an opening stopping guide groove 510 is disposed on one side of the opening stopping sliding plate 500, a transmission column 420 is disposed on the rotary base 400, and the rotary movement of the rotary base 400 drives the transmission column 420 to move in the opening stopping guide groove 510, so as to drive the opening stopping sliding plate 500 to move in a translational manner. Because the opening-stopping sliding plate 500 and the caliper 300 are both provided with driving force by the rotating base 400, the translational motion of the opening-stopping sliding plate 500 is related to the locking and unlocking motion of the caliper 300, namely when the opening-stopping sliding plate 500 is translated to a position enabling the opening-stopping assembly to lock the buckling state of the pot cover 100 and the pot body 200, the caliper 300 is in the locking position, when the opening-stopping sliding plate 500 is translated to a position enabling the opening-stopping assembly to release the locking state, the caliper 300 is in the unlocking position, if the opening-stopping assembly cannot lock the buckling state of the pot cover 100 and the pot body 200, the caliper 300 is not locked in place, on a production line, whether the function of the caliper is abnormal or not can be checked through the opening-stopping assembly, the product quality inspection cost is reduced, and the quality safety of. The following description is made in conjunction with the specific structure of the opening stop assembly:

referring to fig. 3 and 4, the opening stop assembly of this embodiment further includes an opening stop slider 600 moving up and down with respect to the lid 100, and the translational movement of the opening stop slider 500 causes the opening stop slider 600 to move up and down to lock the lid 100 and the body 200 in the engaged state or unlock the lid. Specifically, the method comprises the following steps: the opening stopping sliding plate 500 is provided with a first inclined platform 520, the inclined surface of the first inclined platform 520 is inclined from the end of the first inclined platform 520 far away from the center of the pot cover 100 to the end of the first inclined platform 520 close to the center of the pot cover 100 from high to low, the upper end of the opening stopping sliding block 600 is provided with a stop block 640, the translational motion of the opening stopping sliding plate 500 causes the stop block 640 to slide along the inclined surface of the first inclined platform 520, and because the opening stopping sliding plate 500 is limited to be translational motion, when the opening stopping sliding plate 500 is translated towards the center of the pot cover 100, the inclined surface of the first inclined platform 520 pushes up the stop block 640, so that the opening stopping sliding block 600 moves upwards (as shown in fig. 7); when the opening stop sliding plate 500 is translated away from the center of the pot cover 100, the stopper 640 slides down along the inclined surface of the first inclined platform 520, so that the opening stop slider 600 moves downward (as shown in fig. 5).

The opening stopping slider 600 comprises a connecting rod 630 and an opening stopping rod 620, the opening stopping slider 600 is mounted on the lining cover 120 through a pressing plate 610, the pressing plate 610 is provided with a through hole 611, the upper part of the opening stopping rod 620 penetrates through the through hole 611, the lower part of the opening stopping rod 620 penetrates through the lining cover 120, the pressing plate 610 can ensure that the opening stopping slider 600 only moves up and down, meanwhile, the opening stopping slider 600 can be limited and the deviation of the opening stopping slider 600 is prevented, a first return spring 650 is sleeved on the upper part of the opening stopping rod 620, the upper end of the first return spring 650 abuts against the pressing plate 610, the elastic force of the first return spring 650 acts on the opening stopping rod 620, the acting force of the downward movement of the opening stopping slider 600 is provided, and the opening stopping. The stopper 640 is arranged at the upper end of the connecting rod 630, the sliding groove 521 is arranged on the first inclined platform 520, and the connecting rod 630 penetrates through the sliding groove 521, so that the stopper 640 is suspended on the inclined surface of the first inclined platform 520; the connecting rod 630 and the opening stopping rod 620 of the present embodiment are disposed in a staggered manner in the vertical direction, so as to form a space for avoiding other lining cover components, for example, an inner cover buckle installed on the lining cover for clamping the inner cover 130.

Referring to fig. 5, when the stopper 640 is located at a relatively low position of the first ramp 520, the opening stop lever 620 of the opening stop slider 600 blocks the outer side of the movable catch 220, so that the movable catch 220 cannot move outward or the moving amount of the movable catch 220 is not enough to disengage from the fixed catch 140, the opening stop slider 600 locks the engaged state of the pot cover 100 and the pot body 200 by restricting the movement of the movable catch 220, and even if the user presses the cover opening button 210, the engaged state cannot be released; referring to fig. 7, after the opening stopping sliding plate 500 translates toward the center of the lid 100, the inclined surface of the first inclined platform 520 pushes up the stopper 640, the stopper 640 is located at a relatively high position of the first inclined platform 520, the opening stopping rod 620 of the opening stopping slider 600 exits from the above-mentioned stopping position, and the user presses the opening button 210 to disengage the movable catch 220 from the fixed catch 140, thereby opening the lid.

In order to realize air exhaust and pressure relief, the lid 100 of the present embodiment further has an air exhaust valve and an air exhaust push rod 700 for switching air exhaust, the air exhaust valve is mounted on the inner lid 130, and is detached together with the inner lid 130, and under the condition of no external force driving, the air exhaust valve is kept in an open state, and when an external force is applied by the air exhaust push rod 700, the air exhaust valve can be switched to a closed state. The rotary base 400 of this embodiment is provided with an exhaust guide groove 430 in sliding fit with the exhaust push rod 700, and the rotary motion of the rotary base 400 can be converted into a linear reciprocating motion of the exhaust push rod 700 for opening or closing the exhaust valve.

According to the above solution, the rotary base 400 of the present embodiment provides driving force to the stop slide plate 500, the caliper 300, and the exhaust push rod 700, respectively, so as to implement the stop function, the caliper opening and closing, and the exhaust control, and in order to coordinate the stop slide plate 500, the caliper 300, and the exhaust push rod 700, ensure that the respective functions are reliably implemented, the present embodiment adopts the following solution:

the exhaust guide 430 includes an exhaust drive stroke section 432 and an exhaust hold stroke section 431: when the exhaust push rod 700 is located in the exhaust driving stroke section 432, the rotary base 400 can drive the exhaust push rod 700 to act; when the exhaust push rod 700 is located at the exhaust maintaining stroke section 431, the position of the exhaust push rod 700 relative to the rotary seat 400 is kept unchanged, and the exhaust valve maintains the exhaust state.

The open-stop guide groove 510 includes an open-stop driving stroke section 512 and an open-stop holding stroke section 511: when the transmission column 420 is located in the opening stop driving stroke section 512, the rotation base 400 can drive the opening stop sliding plate 500 to perform a translational motion; when the driving post 420 is located at the opening stop keeping stroke section 511, the opening stop sliding plate 500 keeps the same position with respect to the rotary base 400, and the opening stop assembly locks and keeps the buckling state of the pot cover 100 and the pot body 200.

The caliper guide groove 410 includes a caliper driving stroke section 412 and a caliper holding stroke section 411: when the connecting column 310 is located in the caliper driving stroke section 412, the rotary base 400 can drive the caliper 300 to open and close in the radial direction of the pot cover 100; when connecting column 310 is located in caliper holding stroke section 411, caliper 300 locks pot body 200 and the position of relative rotary base 400 remains unchanged.

In the state shown in fig. 6, the transmission column 420 is located in the opening stop holding stroke section 511, the exhaust push rod 700 is located in the exhaust driving stroke section 432, and the connection column 310 is located in the caliper holding stroke section 411, at this time, the opening stop slider 600 of the opening stop assembly limits the action of the movable buckle 220 to lock the buckling state of the pot cover 100 and the pot body 200, and the cover cannot be opened.

In the state shown in fig. 6, the rotary base 400 is driven to rotate counterclockwise, the transmission column 420 moves in the direction close to the stop-open driving stroke section 512 in the stop-open keeping stroke section 511, but the position of the stop-open sliding plate 500 relative to the rotary base 400 remains unchanged, the stop assembly locks and keeps the fastened state of the pot cover 100 and the pot body 200, and at the same time, the exhaust push rod 700 moves in the direction close to the exhaust keeping stroke section 431 in the exhaust driving stroke section 432 until the exhaust valve is switched to the open state, but the connection column 310 moves in the direction close to the caliper keeping stroke section 412 in the caliper keeping stroke section 411, and the caliper 300 locks the pot body 200 and keeps the position relative to the rotary base 400 unchanged, so as to prevent the caliper 300 from unlocking and generating potential safety hazards; because the opening stopping component still locks the buckling state of the pot cover 100 and the pot body 200, on one hand, the situation that the pot is under the condition of excess pressure can be guaranteed, the use safety is guaranteed, and on the other hand, the problems that the exhaust valve inclines and shakes and the exhaust is not smooth due to the fact that the buckling state of the pot cover 100 and the pot body 200 is relieved can be avoided.

When the rotary base 400 continues to rotate counterclockwise to the state shown in fig. 8, the transmission column 420 enters the opening stop driving stroke section 512 and moves away from the opening stop keeping stroke section 511, the rotary base 400 drives the opening stop sliding plate 500 to translate towards the center direction of the pot cover 100, the opening stop sliding block 600 moves upwards, the locking of the buckling state of the pot cover 100 and the pot body 200 is released, meanwhile, the connecting column 310 enters the caliper driving stroke section 412 and moves in a direction away from the caliper holding stroke section 411, the rotating base 400 drives the caliper 300 to open and unlock, at this time, the lid 100 can be opened by pressing the lid opening button 210, the exhaust push rod 700 enters the exhaust maintaining stroke section 431, the position of the exhaust push rod 700 relative to the rotary seat 400 is kept unchanged, the exhaust valve maintains the exhaust state, the internal pressure and the external pressure of the cooking space are balanced, the movement resistance of the caliper 300 is reduced, and the problem that the pot cover 100 cannot be locked in a hot state is solved.

Example two

Referring to fig. 9-12, compared with the technical solution of the first embodiment, the present embodiment mainly changes the connection relationship between the opening stop slider 600 and the opening stop slider 500 in the opening stop assembly: the opening stop slider 600 is provided with a second ramp, and the translational movement of the opening stop slider 500 pushes the second ramp to move the opening stop slider 600 downward. Specifically, the method comprises the following steps: the opening stopping slider 600 of the embodiment is in an inverted U shape, a protruding second sloping platform 660 is arranged on the upper end surface of the opening stopping slider 600, and the slope of the second sloping platform 660 slopes from high to low from one end of the second sloping platform 660 far away from the center of the pot cover 100 to one end of the second sloping platform 660 close to the center of the pot cover 100; the opening stopping sliding plate 500 of the embodiment includes a sliding plate 530 and a sliding plate support 540 which are separately arranged, an opening stopping guide groove 510 is arranged on the sliding plate support 540, one end of the sliding plate 530 is fixedly connected to the sliding plate support 540, for example, by screw connection, snap connection, etc., the sliding plate 530 can be made of a metal plate, and a groove 533 is bent on the sliding plate 530 to enhance the strength of the sliding plate. In an embodiment of the present invention, which is not shown, the slide plate and the slide plate support can be made into an integral structure.

When the rotating base 400 drives the opening stopping sliding plate 500 to move horizontally in the direction away from the center of the pot cover 100, one end of the sliding plate close to the opening stopping sliding block 600 pushes the second inclined platform 660 on the opening stopping sliding block 600, so that the opening stopping sliding block 600 moves downwards, preferably: the end of the slider 530 close to the opening stop slider 600 is bent upward to form a rolled edge 532, which can reduce the sliding resistance of the slider and push the opening stop slider 600 more easily. A second return spring 680 is arranged between the opening stop slider 600 and the lining cover 120, the second return spring 680 provides an acting force for the upward movement of the opening stop slider 600, and when the rotating base 400 drives the opening stop sliding plate 500 to move horizontally towards the center direction of the pot cover 100, the opening stop slider 600 moves upward under the action of the second return spring 680.

In order to ensure the linear translational motion of the opening stopping sliding plate 500, a plurality of guide grooves 531 are arranged on the sliding plate 530 along the length direction, a plurality of guide posts 121 are correspondingly arranged on the lining cover 120, the guide posts 121 and the guide grooves 531 are in one-to-one correspondence and are in sliding fit to limit the linear motion of the opening stopping sliding plate 500, and screws are arranged on the guide posts 121 to limit the position of the guide posts and prevent the guide posts from being separated from the opening stopping sliding plate 500. The opening stop slider 600 is provided with a guide hole 670, the guide hole 670 is in sliding fit with the outermost guide post 121, so that the opening stop slider 600 can only move up and down along the guide post, one end of the sliding plate 530 close to the opening stop slider 600 and the opening stop slider 600 are limited on the guide post 121 together, when one end of the sliding plate 530 close to the opening stop slider 600 pushes the second inclined table 660, the end of the sliding plate can be prevented from tilting upwards by the limitation of a screw on the guide post 121, thereby avoiding the deformation of the sliding plate, and simultaneously, the opening stop sliding plate 500 can provide stable and reliable thrust to drive the opening stop slider 600 to move down.

Referring to fig. 12, when the rotating base drives the opening stop sliding plate 500 to move horizontally in a direction away from the center of the pot cover, one end of the sliding plate close to the opening stop sliding block 600 pushes the second inclined platform 660 on the opening stop sliding block 600, so that the opening stop sliding block 600 moves downwards, the lower end of the opening stop sliding block 600 is blocked at the inner side of the cover opening button 210, the cover opening button 210 cannot move inwards, or the moving amount of the cover opening button 210 is not enough to enable the movable buckle to be separated from the fixed buckle, and the opening stop sliding block 600 locks the buckling state of the pot cover and the pot body by limiting the movement of. Referring to fig. 13, when the rotation seat drives the opening stopping sliding plate 500 to move horizontally towards the center of the pot lid, the opening stopping sliding block 600 moves upwards under the action of the second return spring, the opening stopping sliding block 600 exits from the blocking position, and the user presses the opening button 210 to separate the movable buckle from the fixed buckle, so as to open the pot lid.

In other some embodiments, the electric pressure cooker can adopt the turnbuckle type cover, the retaining member is a locking ring or a steel cover with cover teeth, pot teeth are arranged on the pot body, when the cover is closed, the retaining member is driven to rotate through the rotary seat, the pot teeth and the cover teeth are buckled with each other, when the cover is opened, the retaining member is driven to rotate reversely through the rotary seat, the pot teeth and the cover teeth are staggered, in the embodiment, the opening stopping assembly can also be applied to the turnbuckle type electric pressure cooker, and the problem that the cover of the electric pressure cooker is opened by mistake under the cooking state is solved.

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. Electric pressure cooker who uncaps safely, including the pot body and pot cover, pot cover one side is articulated to be connected the pot body, the detachable lock of pot cover opposite side detachable the pot body, be equipped with the retaining member on the pot cover and be used for driving the retaining member closure the roating seat of pot body or unblock, a serial communication port, still be equipped with on the pot cover and end the subassembly, under the retaining member closure state, end the subassembly and be used for the locking the pot cover with the lock state of the pot body, it includes relatively to end the subassembly the slide of opening of pot cover translational motion, it is equipped with and ends the guide slot to end slide one side, be equipped with the transmission post on the roating seat, the rotary motion of roating seat drives the transmission post is in end the guide slot internal motion, in order to drive it makes translational motion to end.

2. The electric pressure cooker with the safe cover opened according to claim 1, wherein an exhaust push rod for exhaust switching is further arranged on the cooker cover, an exhaust guide groove in sliding fit with the exhaust push rod is arranged on the rotary base, the exhaust guide groove comprises an exhaust driving stroke section and an exhaust maintaining stroke section, the open-stop guide groove comprises an open-stop driving stroke section and an open-stop maintaining stroke section, when the exhaust push rod is located at the exhaust driving stroke section, the transmission column is located at the open-stop maintaining stroke section, and when the exhaust push rod is located at the exhaust maintaining stroke section, the transmission column is located at the open-stop driving stroke section.

3. The electric pressure cooker with the safe cover opened according to claim 2, wherein the locking member is a caliper, a connecting column is arranged on the caliper, a caliper guide groove which is in sliding fit with the connecting column is arranged on the rotating seat, the caliper guide groove comprises a caliper driving stroke section and a caliper keeping stroke section, when the connecting column is positioned in the caliper driving stroke section, the transmission column is positioned in the opening-stopping driving stroke section, and when the connecting column is positioned in the caliper keeping stroke section, the transmission column is positioned in the opening-stopping keeping stroke section.

4. An electric pressure cooker with a safe cover as claimed in any one of claims 1 to 3, wherein the opening stopping assembly further comprises an opening stopping slider moving up and down relative to the lid, and the translational movement of the opening stopping slider causes the opening stopping slider to move up and down to lock or unlock the lid and the body.

5. An electric pressure cooker with a safe cover as claimed in claim 4, wherein the opening-stopping sliding plate is provided with a first inclined platform, the opening-stopping sliding block is provided with a stop dog, and the stop dog slides along the inclined surface of the first inclined platform by the translational motion of the opening-stopping sliding plate.

6. The electric pressure cooker with the safe cover opened according to claim 5, wherein the opening stopping slider is mounted on the cooker cover through a pressing plate, the opening stopping slider comprises a connecting rod and an opening stopping rod, the connecting rod and the opening stopping rod are arranged in a staggered mode in the vertical direction, the stop block is arranged at the upper end of the connecting rod, a through hole is formed in the pressing plate, and the opening stopping rod penetrates through the through hole.

7. An electric pressure cooker with a safe cover as claimed in claim 4, wherein said opening stop slider is provided with a second ramp, and translational movement of said opening stop slider pushes said second ramp to move said opening stop slider downward.

8. The electric pressure cooker with a safe cover as claimed in claim 7, wherein a guide post is provided on the cover, a guide hole is provided on the opening stopping slider, and the guide post is inserted into the guide hole.

9. An electric pressure cooker with a safe cover as claimed in claim 8, wherein the opening stop sliding plate is provided with a guide groove, the guide post is inserted into the guide groove, and the opening stop sliding plate and the opening stop sliding block are commonly limited on the guide post.

10. The electric pressure cooker with the safe cover opening as claimed in claim 4, wherein the cover is provided with a fixed buckle, the body is provided with a movable buckle and a cover opening button, and the opening stopping slider locks the buckling state of the cover and the body by limiting the action of the movable buckle or the cover opening button.