CN218009312U - Pressure cooking appliance safe to use - Google Patents

Abstract

The utility model discloses a pressure cooking utensil safe in utilization, including utensil body and lid, the lid includes enclosing cover, inner cup and closes and covers locking device, closes and covers locking device and includes calliper and slide, and the slide slides and switches at the latched position of drive calliper closure utensil body and the unblock position of drive calliper release utensil body, is equipped with the ejector pin on the enclosing cover and ends the piece of opening, and inner cup pressurized come-up drive ejector pin action, and the ejector pin drive is ended and is opened a restriction slide and remove to the unblock position. The problem of need cover the trompil including at present and set up the metal pole, cause sealed difficulty is solved, and the weight required precision to the ejector pin reduces, is favorable to reducing the manufacturing accuracy of ejector pin, because in addition through inner cup with the ejector pin jack-up, just also need not to cover the trompil including, as long as keep normal inner cup sealed with the utensil body can, also greatly reduced the requirement of many whole gas tightness.

Description

Pressure cooking appliance safe to use

Technical Field

The utility model relates to a kitchen appliances field, concretely relates to safe in utilization's pressure cooking utensil.

Background

The existing pressure cooking utensil, such as a pressure cooker, comprises a cooker body, an inner container and a cover body, wherein the inner container is arranged in the cooker body, the cover body covers the cooker body, the cover body comprises an inner cover and an outer cover, and the inner cover and the inner container are connected in a sealing manner, so that the pressure of food in the inner container is increased when the food is cooked. In order to ensure the use safety, the existing pressure cooker is provided with metal rods with different weights on the inner cover, after the pressure in the inner container rises, the metal rods are jacked up, and the purpose of preventing the outer cover from being unlocked is achieved through the blocking effect of the metal rods. However, the weight requirement of the structure on the metal rod is higher, if the metal rod is too heavy, the metal rod can be jacked up by high pressure in the inner container, the pressure in the inner container is still higher when a user opens the cover accidentally, the influence on the safety of the user can be caused, the metal rod is too light, the cover cannot be opened by slight pressure in the inner container, and the cover can be opened by reducing the pressure in the cooker for a long time after the cooking is finished. In addition, the structure of the metal rod needs to be provided with a through hole matched with the metal rod on the inner cover, the requirement on the precision of the matched size is high, sufficient sealing performance needs to be ensured, corresponding sealing treatment needs to be carried out on the outer cover, and the limitation is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure cooking utensil safe in utilization can effectively solve current pressure cooking utensil and need trompil on the inner bag and set up the problem that the metal pole influences the leakproofness.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the pressure cooking utensil safe in use comprises an utensil body and a cover body, wherein the cover body comprises an outer cover, an inner cover and a cover closing locking device, the cover closing locking device comprises calipers and a sliding plate, the sliding plate is in sliding switching between a locking position for driving the calipers to lock the utensil body and an unlocking position for driving the calipers to release the utensil body, an ejector rod and an opening stopping piece are arranged on the outer cover, the inner cover is pressed to float upwards to drive the ejector rod to act, and the ejector rod drives the opening stopping piece to limit the sliding plate to move to the unlocking position.

In foretell safe in utilization pressure cooking utensil, be equipped with the part of opening stopping on the slide, the part of opening stopping includes rotation end and locking end, the rotation end of the part of opening stopping with the enclosing cover is rotated and is connected, the locking end of the part of opening stopping with the cooperation of the part of opening stopping, the ejector pin sets up the part of opening stopping with between the inner cup.

In the above-mentioned pressure cooking appliance safe in use, the opening stopping part is a groove provided on the slide plate; or, the opening stopping part is a lug arranged on the sliding plate, and the lug protrudes towards the opening stopping piece.

In the above pressure cooking appliance safe in use, the rotating end is rotatably connected with the outer cover through a rotating shaft, and an elastic return mechanism is arranged between the opening stopping piece and the outer cover.

In foretell pressure cooking utensil safe in utilization, elasticity return mechanism is the torsional spring, elasticity return mechanism cover is established in the pivot, elasticity return mechanism one end butt is in on ending the piece, the other end butt of elasticity return mechanism is covered outward.

In the above-mentioned safety pressure cooking appliance, the locking end is provided with a locking hook.

In the above-mentioned safety pressure cooking utensil, the push rod is pressed against the side of the opening stopping piece close to the rotating end.

In the above safety pressure cooking appliance, the outer cover is provided with a guide hole, and the push rod is vertically and slidably arranged in the guide hole.

In the above-mentioned safe in utilization pressure cooking utensil, the utensil body includes interior pot, the inner cup with be equipped with the sealing washer between the interior pot, the sealing washer follows the circumference setting of inner cup.

In the above-mentioned safe in utilization pressure cooking utensil, the utensil body includes interior pot, the top of interior pot is equipped with the protruding eaves of outwards bending, be equipped with on the calliper with protruding eaves complex draw-in groove.

Compared with the prior art, the utility model has the advantages that:

the pressure cooking utensil is safe to use and comprises an utensil body and a cover body, wherein the cover body comprises an outer cover, an inner cover and a cover closing locking device, the cover closing locking device comprises calipers and a sliding plate, the sliding plate is in sliding switching between a locking position for driving the calipers to lock the utensil body and an unlocking position for driving the calipers to release the utensil body, an ejector rod and an opening stopping piece are arranged on the outer cover, the inner cover is pressed to float upwards to drive the ejector rod to act, and the ejector rod drives the opening stopping piece to limit the sliding plate to move to the unlocking position. Adopt ejector pin and opening stopping piece, through the action of inner cup pressurized come-up drive ejector pin, thereby it sets up the metal pole to cover the trompil including solving present needs, cause the problem of sealed difficulty, come-up after being compressed through the inner cup, promote the ejector pin action, utilize ejector pin drive opening stopping piece restriction slide to unblock displacement, because the inner cup area is great, consequently, it is a lot bigger to promote the pressure that floats on the inner cup compared with the weight of ejector pin, the influence greatly reduced that the inner cup pressurized shifts up is influenced to the ejector pin weight, consequently, the weight precision requirement to the ejector pin reduces, be favorable to reducing the manufacturing accuracy of ejector pin, in addition because be through the inner cup with the ejector pin jack-up, just also need not to cover the trompil including, as long as keep normal inner cup sealed with the utensil body can, also greatly reduced the requirement of many whole gas tightness.

In a further scheme, an opening stopping part is arranged on the sliding plate and comprises a rotating end and a locking end, the rotating end of the opening stopping part is rotatably connected with the outer cover, the locking end of the opening stopping part is matched with the opening stopping part, and the ejector rod is arranged between the opening stopping part and the inner cover. The opening stopping part is rotatably connected with the outer cover through the rotating end to form a lever, the locking end is matched with the opening stopping part on the sliding plate and used for preventing the sliding plate from moving, the ejector rod is abutted between the inner cover and the opening stopping part, and the locking end of the opening stopping part can be effectively driven to swing around the rotating end when the inner cover is pressed to float, so that the purpose of limiting the sliding plate to move to an unlocking position is achieved through matching with the opening stopping part.

In a further scheme, the opening stopping part is a groove formed in the sliding plate; or, the opening stopping part is a lug arranged on the sliding plate, and the lug protrudes towards the opening stopping piece. When the opening stopping part is a groove on the sliding plate, the locking end can abut against the inner side wall of the groove after tilting around the rotating end, so that the sliding plate is prevented from sliding; when the opening stopping part is a convex block, the locking end can be abutted against the convex block after tilting, so that the sliding of the sliding plate is prevented, and the process for manufacturing the groove or the convex block on the sliding plate is relatively simple, so that the cost is reduced.

In a further scheme, the rotating end is rotatably connected with the outer cover through a rotating shaft, and an elastic return mechanism is arranged between the opening stopping piece and the outer cover. The pressure that needs when ending through the regulation of elasticity return mechanism reduces the pressure adjustment degree of difficulty to the regulation of elasticity return mechanism can be controlled more easily, guarantees that this internal pressure value of utensil just can start in certain extent and ends the piece of opening, perhaps unlocks the slide automatically after pressure reduces to a definite value.

In a further scheme, the elastic return mechanism is a torsion spring, the elastic return mechanism is sleeved on the rotating shaft, one end of the elastic return mechanism is abutted to the opening stopping piece, and the other end of the elastic return mechanism is abutted to the outer cover. The installation and the control of torsional spring are comparatively ripe, can ensure the long-term stable work of elasticity return mechanism to with torsional spring one end butt on ending the opening piece, the other end butt is on the enclosing cover, lets the torsional spring have the impetus, provides elasticity return power when ending opening piece and rotating along the pivot.

In a further scheme, the locking end is provided with a locking hook. Can effectively prevent through the latch hook that locking end and the portion pine of stopping opening from taking off, ensure locking end and the cooperation validity of the portion of stopping opening.

In a further scheme, the ejector rod is abutted against one side, close to the rotating end, of the opening stopping piece. The ejector rod is abutted against one side close to the rotating end, and when the ejector rod generates small displacement, the locking end can be promoted to move greatly, and the pressure change in the appliance body can be responded to more quickly.

In a further scheme, a guide hole is formed in the outer cover, and the ejector rod is vertically arranged in the guide hole in a sliding mode. The movement direction of the ejector rod is limited through the guide hole, and the vertical movement of the ejector rod can reflect the floating action of the inner cover to the greatest extent to stop the opening piece.

In a further scheme, the utensil body comprises an inner pot, a sealing ring is arranged between the inner cover and the inner pot, and the sealing ring is arranged along the outer circumference of the inner cover. Through the sealing washer, strengthen the leakproofness between inner cup and the interior pot to the sealing washer has certain elasticity, also does benefit to the floating action of realization inner cup after the pressurized.

In a further scheme, the utensil body includes interior pot, the top of interior pot is equipped with the protruding eaves of outwards bending, be equipped with on the calliper with protruding eaves complex draw-in groove. Through the convex brim of the outward bending of the inner pot, the calipers can be easily clamped with the inner pot, so that the inner pot is ensured to be airtight in the cooking process.

Drawings

FIG. 1 is a first cross-sectional view of a pressure cooking appliance of the present invention;

FIG. 2 is a bottom view of the lid of the cooking device of the present invention;

FIG. 3 is a second sectional view of the pressure cooking device of the present invention;

FIG. 4 is a schematic structural view of the slide plate unlocking mechanism in the cooking appliance of the present invention;

FIG. 5 is a schematic structural view of the stem, the opening stopper and the sliding plate of the pressure cooking device of the present invention in a non-pressure state;

FIG. 6 is a schematic structural view of the top bar, the opening stopping member and the sliding plate when the pressure cooker of the present invention is in a pressure state;

FIG. 7 is a top view of the opening stop member of the cooking appliance of the present invention;

fig. 8 is a schematic structural diagram of the open-stopping piece and the ejector rod matched in the cooking utensil with safe use of the invention.

The reference signs are:

the cooker comprises a cooker body 100, an inner pan 110 and a convex brim 111;

the cover body 200, the outer cover 210, the guide hole 211, the inner cover 220, the sealing ring 221, the caliper 230, the third slide bar 231, the slide plate 240, the opening stop portion 241, the guide groove 242, the push rod 250, the opening stop member 260, the rotating end 261, the locking end 262, the rotating shaft 263, the elastic return mechanism 264, the cover opening push rod 270, the first fixed shaft 271, the first slide bar 272, the rotating piece 280, the sliding groove 281, the second fixed shaft 282, and the second slide bar 283.

Detailed Description

The pressure cooking utensil safe in use comprises an utensil body and a cover body, wherein the cover body comprises an outer cover, an inner cover and a cover closing locking device, the cover closing locking device comprises calipers and a sliding plate, the sliding plate is in sliding switching between a locking position for driving the calipers to lock the utensil body and an unlocking position for driving the calipers to release the utensil body, an ejector rod and an opening stopping piece are arranged on the outer cover, the inner cover is pressed to float upwards to drive the ejector rod to act, and the ejector rod drives the opening stopping piece to limit the sliding plate to move to the unlocking position. Adopt ejector pin and opening stopping piece, through the action of inner cup pressurized come-up drive ejector pin, thereby it sets up the metal pole to cover the trompil including solving present needs, cause the problem of sealed difficulty, come-up after being compressed through the inner cup, promote the ejector pin action, utilize ejector pin drive opening stopping piece restriction slide to unblock displacement, because the inner cup area is great, consequently, it is a lot bigger to promote the pressure that floats on the inner cup compared with the weight of ejector pin, the influence greatly reduced that the inner cup pressurized shifts up is influenced to the ejector pin weight, consequently, the weight precision requirement to the ejector pin reduces, be favorable to reducing the manufacturing accuracy of ejector pin, in addition because be through the inner cup with the ejector pin jack-up, just also need not to cover the trompil including, as long as keep normal inner cup sealed with the utensil body can, also greatly reduced the requirement of many whole gas tightness.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and 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 to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 4, in order to implement the pressure cooking appliance of the present invention, the pressure cooking appliance includes an appliance body 100 and a lid body 200, the appliance body 100 includes an inner pan 110, the lid body 200 includes an outer lid 210, an inner lid 220 and a lid-closing locking device, the lid-closing locking device includes a lid-opening push rod 270, a rotating plate 280, a caliper 230 and a sliding plate 240, the lid-opening push rod 270 is rotatably connected to the outer lid 210 through a first fixing shaft 271 and one end of the lid-opening push rod extends out of the outer lid 210, so as to facilitate user operation, the lid-opening push rod 270 is rotated by pushing the lid-opening push rod 270 located outside the outer lid 210, the end of the lid-opening push rod 270 located inside the outer lid 210 is connected to the rotating plate 280, the other end of the lid-opening push rod 270 is provided with a first sliding rod 272, the rotating plate 280 is provided with a sliding slot 281 matched with the first sliding rod 272, the rotating plate 280 is rotatably connected to the outer lid 210 through a second fixing shaft 282, and a second sliding rod 283 is provided on the side of the rotating plate 280 opposite to the sliding plate 281, the sliding plate 240 is horizontally slidably provided in the outer lid 210, thereby pushing the sliding plate 270, the sliding plate 281, the sliding plate 270, and the sliding plate 281 is horizontally rotates the sliding plate 280 along the second sliding plate 282, and the second sliding plate 282.

As shown in fig. 2, a caliper 230 is further disposed in the outer cover 210 in a sliding manner, in this embodiment, the sliding direction of the caliper 230 is perpendicular to the sliding direction of the sliding plate 240, a third sliding rod 231 is disposed on the caliper 230, a guide groove 242 is disposed on the sliding plate 240, and one end of the third sliding rod 231 is slidably disposed in the guide groove 242, so that the caliper 230 is controlled to slide by the sliding of the sliding plate 240, thereby clamping the inner pot 110 by the caliper 230, and engaging the cover body 200 with the appliance body 100. Thereby, the slide plate 240 is slidingly switched between a locking position where the driving caliper 230 locks the appliance body 100 and an unlocking position where the driving caliper 230 releases the appliance body 100.

As shown in fig. 3, an outwardly bent protruding brim 111 is provided on the top of the inner pan 110, and the calipers 230 are provided with locking grooves which are engaged with the protruding brim 111, when in an unlocking position, the sliding plate 240 moves towards the center direction of the cover body 200, the two calipers 230 move towards the direction away from the center of the cover body 200 by using the guide grooves 242 on the sliding plate 240, and the locking grooves on the calipers 230 are separated from the protruding brim 111 on the inner pan 110, so that the cover body 200 and the appliance body 100 are separated to realize the opening of the cover.

As shown in fig. 1 and 7, a sealing ring 221 is disposed on the outer circumference of the inner lid 220 to form a seal between the inner lid 220 and the inner pot 110, so as to increase the pressure in the inner pot 110 during cooking to realize pressure cooking, and a gap is formed between the inner lid 220 and the outer lid 210, and the sealing ring 221 has a certain elasticity, so that the inner lid 220 can float upward relative to the initial position when the inner pot 110 is pressurized during cooking. The outer cover 210 is provided with a guide hole 211, the outer cover 210 is further provided with a push rod 250 and an opening stopping member 260, the push rod 250 is vertically and movably arranged in the guide hole 211 of the outer cover 210, the moving track of the push rod 250 is limited through the guide hole 211, the bottom of the push rod 250 is in contact with the inner cover 220, and when the inner cover 220 is pressed to float upwards, the push rod 250 is pushed to move upwards. The opening stopping member 260 includes a rotating end 261 and a locking end 262, the rotating end 261 penetrates through a rotating shaft 263 and is rotatably connected with the outer cover 210 through the rotating shaft 263, and the rotating shaft 263 is sleeved with an elastic return mechanism 264, in this embodiment, the elastic return mechanism 264 is a torsion spring, the elastic return mechanism 264 is sleeved on the rotating shaft 263, a convex stop block is arranged on the opening stopping member 260, one end of the elastic return mechanism 264 abuts against the stop block of the opening stopping member 260, and the other end of the elastic return mechanism 264 abuts against the outer cover 210. When the top rod 250 moves upwards, the opening stopping piece 260 is pushed to rotate around the rotating shaft 263, the elastic return mechanism 264 generates elastic deformation, the range of the safe pressure in the inner pot 110 can be adjusted by controlling the elastic force of the elastic return mechanism 264, and only enough pressure is generated in the inner pot 110 to push the top rod 250 to enable the opening stopping piece 260 to limit the sliding plate 240 to move to the unlocking position, so that the requirement of the prior art on the high precision of the weight of the metal rod is reduced. The top rod 250 can be designed to drive the opening stopping piece 260 to rotate as long as the top rod 250 does not directly abut against the rotating end 261 of the opening stopping piece 260, and the top of the top rod 250 can be close to the rotating end 261 as much as possible, so that the small-amplitude rising of the top rod 250 can be amplified to be that the locking end 262 moves upwards in a larger amplitude.

As shown in fig. 8, the rotation end 261 and the locking end 262 are respectively located at two ends of the opening stopping member 260, the locking end 262 is provided with a locking hook, the corresponding sliding plate 240 is provided with an opening stopping portion 241, the opening stopping portion 241 is a groove opened on the sliding plate 240, and when the locking end 262 is jacked up, the locking end is inserted into the groove on the sliding plate 240, so as to prevent the sliding plate 240 from moving to the unlocking position.

As shown in fig. 5 and 6, when the cooker is used, after food is put into the inner pot 110 according to a normal operation flow, the cover body 200 is covered, the calipers 230 are clamped with the convex brim 111 of the inner pot 110, so that the inner pot 110 and the inner cover 220 are matched to form a sealed cooking cavity, as the temperature rises, a pressure component in the cooking cavity rises, when sufficient pressure is reached, the inner cover 220 floats upwards under the action of the pressure in the cooking cavity, the ejector rod 250 is driven to move upwards, the ejector rod 250 pushes the opening stopping piece 260 to rotate around the rotating shaft 263 by overcoming the elastic force of the elastic return mechanism 264, and the locking end 262 of the opening stopping piece 260 upwards extends into the opening stopping portion 241 of the sliding plate 240, namely the locking end 262 extends into the groove. At this time, if the lid opening push rod 270 is pressed, if a gap exists between the locking end 262 and the end wall of the groove, the sliding plate 240 slides under the driving of the lid opening push rod 270 until the locking end 262 abuts against the end wall of the groove, so that the sliding plate 240 is prevented from moving to the unlocking position, that is, the sliding plate 240 moves slightly, but the caliper 230 and the inner pot 110 are not enough to be separated, and the cooking cavity still maintains a sealed state; alternatively, when the locking end 262 is inserted into the recess, the locking end 262 is already in contact with the end wall of the recess, and the slide 240 is not moved by pressing the lid release push rod 270, and is always kept in the locking position. That is, when the position of the opening stop member 260 is configured, the fit clearance between the locking end 262 and the opening stop portion 241 is considered, and the clearance is smaller than the moving stroke required by the combination of the caliper 230 and the inner pan 110, so that the opening stop member 260 and the sliding plate 240 can cooperate to effectively prevent the pressure in the inner pan 110 from being excessively high and accidentally uncovering, and the safety of a user is protected. After cooking, the pressure in the inner pot 110 is gradually reduced along with the action of the pressure reducing valve on the pot cover, the inner cover 220 loses the support of the pressure in the inner pot 110, when the pressure in the inner pot 110 is low enough, the locking end 262 is forced to move downwards to be separated from the opening stopping part 241 of the sliding plate 240 due to the action of the elastic return mechanism 264, meanwhile, the ejector rod 250 is driven to move downwards, at the moment, the sliding plate 240 is not blocked by the opening stopping part 260, and the cover body 200 can be normally opened after the opening-opening push rod 270 is pressed. Adopt the cooking utensil of above-mentioned structure, to the weight requirement greatly reduced of ejector pin 250, the elastic return mechanism 264 control of pressure control that prevents to uncap, can the controllability stronger relatively, make and set up degree of difficulty greatly reduced to inner cup 220 can drive only to stop opening piece 260 and prevent slide 240 to the unblock position removal as long as the pressurized back is small-amplitude come-up, makes overall structure compacter, and pressure cooking utensil's security also has sufficient assurance.

Example two:

the difference from the first embodiment is that the opening stopping portion 241 is not a groove but a projection projecting toward the opening stopping member 260, after the inner lid 220 is pressed and floated, the locking end 262 of the opening stopping member 260 is driven to rotate upward, the locking end 262 will be stopped on the moving path of the projection when the sliding plate 240 moves to the unlocking position, so that the locking end 262 and the projection are abutted to prevent the sliding plate 240 from moving to the unlocking position, and the purpose of protecting the safety of a user when a certain pressure exists in the inner pot 110 and preventing the user from opening the inner pot accidentally can also be achieved.

Other contents not described in this embodiment may refer to embodiment one.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (10)

1. The pressure cooking utensil is characterized in that the outer cover is provided with an ejector rod and an opening stopping piece, the inner cover is driven by the inner cover to float upwards under the pressure, and the ejector rod drives the opening stopping piece to limit the sliding plate to move to the unlocking position.

2. A safety in use pressure cooking appliance as claimed in claim 1, wherein: be equipped with on the slide and end the portion of opening, end the piece of opening including rotating end and locking end, end the rotation end of opening with the enclosing cover rotates to be connected, end the locking end of opening with end the cooperation of portion of opening, the ejector pin sets up end the piece of opening with between the inner cup.

3. A safety in use pressure cooking appliance as claimed in claim 2, wherein: the opening stopping part is a groove formed in the sliding plate; or, the opening stopping part is a lug arranged on the sliding plate, and the lug protrudes towards the opening stopping piece.

4. A safety in use pressure cooking appliance as claimed in claim 2, wherein: the rotating end is rotatably connected with the outer cover through a rotating shaft, and an elastic return mechanism is arranged between the opening stopping piece and the outer cover.

5. A safety in use pressure cooking appliance as claimed in claim 4, wherein: the elastic return mechanism is a torsion spring, the elastic return mechanism is sleeved on the rotating shaft, one end of the elastic return mechanism is abutted to the opening stopping piece, and the other end of the elastic return mechanism is abutted to the outer cover.

6. A safety in use pressure cooking appliance as claimed in claim 2, wherein: the locking end is provided with a locking hook.

7. A safety in use pressure cooking appliance as claimed in claim 2, wherein: the ejector rod is abutted against one side, close to the rotating end, of the opening stopping piece.

8. A safety in use pressure cooking appliance as claimed in claim 1, wherein: the outer cover is provided with a guide hole, and the ejector rod is vertically arranged in the guide hole in a sliding manner.

9. A safety in use pressure cooking appliance as claimed in claim 1, wherein: the utensil body includes interior pot, the inner cup with be equipped with the sealing washer between the interior pot, the sealing washer is followed the outer circumference setting of inner cup.

10. A safety in use pressure cooking appliance as claimed in claim 1, wherein: the utensil body includes interior pot, the top of interior pot is equipped with the protruding eaves of outwards bending, be equipped with on the calliper with protruding eaves complex draw-in groove.

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