CN115227109A - Upper cover and cooking utensil with same - Google Patents

Abstract

The invention provides an upper cover and a cooking utensil with the upper cover, wherein the upper cover comprises a cover body, a pressure limiting assembly and a pressure relief assembly, the pressure relief assembly comprises a pressure relief key, a reset key, a bolt and an exhaust lever, the pressure relief key is in driving connection with a first end of the exhaust lever, a second end of the exhaust lever is in driving connection with a pressure limiting valve, the bolt is provided with a limiting position for limiting the movement of the pressure relief key and an avoiding position capable of releasing the pressure relief key, the reset key drives the bolt to move from the limiting position to the avoiding position, and an elastic reset piece is arranged between each of the pressure relief key, the reset key and the bolt and the cover body; the moving directions of the pressure relief key and the reset key are the same, the pressure relief key is provided with a pressure relief position for jacking the pressure limiting valve through the exhaust lever and an initial position for releasing the exhaust lever, and the bolt is positioned at a limiting position under the condition that the pressure relief key is positioned at the pressure relief position. Through the technical scheme that this application provided, can solve the problem that the structure of the pressure release structure is complicated among the correlation technique.

Description

Upper cover and cooking utensil with same

Technical Field

The invention relates to the technical field of small household appliances, in particular to an upper cover and a cooking utensil with the upper cover.

Background

The electric pressure cooker comprises a cooker body and an upper cover, wherein the cooking cavity of the cooker body can be sealed by the upper cover, food is placed in the cooking cavity of the cooker body, and the electric pressure cooker can be used for performing pressure cooking on the food.

In the related art, the upper cover is provided with an exhaust pipe and a pressure limiting valve, the exhaust pipe penetrates through the cover body of the upper cover, and the pressure limiting valve is arranged at the upper end of the exhaust pipe. The pressure limiting valve can limit the cooking cavity of the cooker body under higher pressure, thereby realizing pressure cooking. After the electric pressure cooker finishes cooking, the cooking cavity of the pot body is continuously under higher pressure, the pressure drop speed of the cooking cavity is lower, the cover can be opened only by waiting for a longer time, and the problem of overlong pressure cooking time exists, so that the use experience of a user is influenced.

In order to solve the problem that the cover of the cooking appliance can be opened only after the cooking is finished and a long time is needed to wait, a pressure relief structure for jacking a pressure limiting valve is arranged in the related technology, but the pressure relief structure in the related technology has the problem of complex structure.

Disclosure of Invention

The invention provides an upper cover and a cooking utensil with the upper cover, and aims to solve the problem that a pressure relief structure in the related art is complex in structure.

According to an aspect of the present invention, there is provided an upper cover, including: a cover body; the pressure limiting assembly comprises an exhaust pipe and a pressure limiting valve, the exhaust pipe penetrates through the cover body, and the pressure limiting valve is arranged at the upper end of the exhaust pipe; the pressure relief assembly comprises a pressure relief key, a reset key, a bolt and an exhaust lever, the pressure relief key is in driving connection with a first end of the exhaust lever, a second end of the exhaust lever is in driving connection with the pressure limiting valve, the bolt is provided with a limiting position for limiting the movement of the pressure relief key and an avoiding position capable of releasing the pressure relief key, the reset key drives the bolt to move from the limiting position to the avoiding position, and an elastic reset piece is arranged between the pressure relief key, the reset key and the bolt and the cover body; the pressure relief key has a pressure relief position for jacking the pressure limiting valve through the exhaust lever and an initial position for releasing the exhaust lever, and the bolt is located at a limiting position under the condition that the pressure relief key is located at the pressure relief position.

By applying the technical scheme of the invention, the upper cover comprises a cover body, a pressure limiting assembly and a pressure relief assembly. When pressure cooking is carried out with the cooking appliance, the pressure limiting valve can limit the cooking chamber at a higher pressure. After cooking is finished, the pressure relief key is pressed and jacks up the pressure limiting valve through the exhaust lever, so that the pressure in the cooking cavity is quickly reduced. At this moment, the pressure release button is located the pressure release position, and the bolt is located limit position, utilizes the bolt can be with the restriction of pressure release button in the pressure release position, need not to press the pressure release button all the time and can realize lasting pressure release. After the pressure release in the culinary art chamber is accomplished, through pressing the button that resets, utilize the button that resets drive bolt to move to dodging the position by limiting position, the bolt can separate with the pressure release button, and the pressure release button realizes resetting under the effect that the elasticity resets. After the reset key is released, the reset key and the bolt can also reset under the action of the elastic reset piece. By adopting the structure, the pressure relief key and the reset key are matched to realize the quick pressure relief of the cooking utensil, and the cooker has the advantage of simple structure. Because the pressure relief key and the reset key have the same moving direction, a user can conveniently press the pressure relief key and the reset key, and the pressure relief key and the reset key have the advantage of convenience in operation. And adopt the bolt to carry out spacing mode to the pressure release button, have spacing reliability height, long service life's advantage.

Furthermore, the pressure relief key and the reset key are movably arranged along the vertical direction, and the bolt is movably arranged along the transverse direction. By adopting the arrangement, the pressure relief key and the reset key are convenient for a user to press because the pressure relief key and the reset key have the same moving direction.

Furthermore, the bolt has a driving hole, and the button that resets is movably worn to locate the driving hole, and the pore wall of driving hole is provided with first drive inclined plane, and the lateral wall of the button that resets is provided with the second drive inclined plane with first drive inclined plane matched with. The first driving inclined plane and the second driving inclined plane are used for driving and matching, the reset key drives the bolt to move from the limiting position to the avoiding position, and the reset key has the advantage of simple driving structure.

Furthermore, a clamping groove is formed in the side wall of the pressure release button, a clamping boss is arranged at one end of the bolt, and the clamping groove is clamped by the clamping boss under the condition that the pressure release button is located at the pressure release position. Utilize the joint cooperation of joint boss and draw-in groove, have the firm advantage of joint, be located the pressure release button under the condition of pressure release position, the bolt can play firm spacing to the pressure release button.

Furthermore, the lower end of the pressure release key is provided with an avoidance notch, and the clamping boss is inserted into the avoidance notch under the condition that the pressure release key is located at the initial position. Utilize and dodge the breach and dodge the pressure release button, be located under the condition of initial position at the pressure release button, in the joint boss of bolt stretched into dodges the breach, the bolt can not take place to interfere with the pressure release button.

Furthermore, the upper end face of the clamping boss is a first guide inclined face, the upper end face of the avoiding notch is a second guide inclined face, and the upper end face of the clamping groove is a third guide inclined face. In the process of pressing the pressure release key from the initial position to the pressure release position, the first guide inclined plane and the second guide inclined plane are matched, so that the bolt moves to the avoidance position from the limiting position smoothly, and the bolt cannot interfere with the pressure release key in the process.

Furthermore, the cover body is provided with two installation buckles, the two installation buckles are located on two sides of the bolt respectively, the side walls of the two installation buckles are provided with limiting sliding grooves, and two sides of the bolt are slidably inserted into the two limiting sliding grooves respectively. When the bolt moves between the limiting position and the avoiding position, the limiting sliding groove can guide the bolt to move. And, under the limiting displacement of spacing spout, the bolt can not drop from the lid, and the assembly fastness of bolt is higher.

Furthermore, the bolt is provided with a limit boss, and the limit boss is abutted against the mounting buckle under the condition that the bolt is located at a limit position. Utilize spacing boss to carry on spacingly to the bolt, avoid bolt and pressure release button direct impact collision.

Furtherly, the lid is including sheltering from the lid and being located the lock lid that shelters from the below of lid, blast pipe and lock lid fixed connection, shelter from the lid including the face lid and set up the handle on the face is covered, pressure release button, the button that resets and the equal movably setting of bolt are in the handle. By adopting the structure, the integration level of the pressure relief key, the reset key and the plug pin is higher. And, because pressure release button, reset button all set up on hand, be convenient for the user to look for the button and press.

Further, the pressure release button includes the pressure release key cap and the pressure release pole of being connected with the lower extreme of pressure release key cap, and the button that resets includes the reset key cap and the release link of being connected with the lower extreme of the key cap that resets, and the handle has the mounting hole, and pressure release key cap and the key cap that resets splice mutually and lie in the mounting hole. Because pressure release key cap and reset key cap concatenation are in the same place, the wholeness of button is higher. And after one of the pressure release key and the reset key is pressed down, a user can conveniently observe the pressing states of the pressure release key and the reset key, so that the user can conveniently operate according to the use requirement.

Further, the elastic restoring member includes: the first reset spring is sleeved on the pressure relief rod, one end of the first reset spring is abutted with the pressure relief keycap, and the other end of the first reset spring is abutted with the handle; the second reset spring is sleeved on the reset rod, one end of the second reset spring is abutted with the reset key cap, and the other end of the second reset spring is abutted with the handle; and one end of the third reset spring is abutted against the bolt, and the other end of the third reset spring is abutted against the handle. After the bolt releases the pressure relief key, the pressure relief key can reset to the initial position under the elastic force of the first reset spring. Utilize the button that resets drive bolt to remove to dodging after the position by limiting position, the button that resets can reset to the initial position that is not pressed under second reset spring's elastic force, and the bolt can reset to limiting position by dodging the position under third reset spring's elastic force, and in the joint boss of bolt stretched into the breach of dodging of pressure release button this moment, the bolt can not take place to interfere with the pressure release button. Utilize two buttons, bolt and three reset spring to cooperate and realize cooking utensil's quick exhaust or the switching of culinary art state (there is pressure culinary art state and non-pressure culinary art state), have simple structure, the reliability is high and the advantage of the maintenance of being convenient for.

Furthermore, the handle comprises a handle seat and a handle cover connected with the upper end of the handle seat, so that the pressure relief key, the reset key, the bolt and other parts can be assembled in the handle conveniently; the handle cover is provided with the sinking platform, and the inner hole of the sinking platform forms a mounting hole, so that the pressure relief key and the reset key do not protrude out of the handle, and the integrity of the cooking utensil can be improved; a first avoidance hole and a second avoidance hole are formed in the bottom wall of the sinking platform, the pressure relief rod penetrates through the first avoidance hole and extends into the handle seat, and the reset rod penetrates through the second avoidance hole and extends into the handle seat; the bolt is movably arranged in the handle seat. The pressure relief rod is used for pressing the exhaust lever, and the exhaust lever is further used for jacking the pressure limiting valve. And the bolt is driven by the reset rod to move from the limiting position to the avoiding position.

According to another aspect of the present invention, there is provided a cooking appliance including: a pan body; the upper cover can be covered on the pot body in an opening and closing manner, and is the upper cover provided by the above. Therefore, the cooking utensil can utilize the pressure relief key and the reset key to be matched with each other to realize the quick pressure relief of the cooking utensil, and the cooking utensil has the advantage of simple structure. And, adopt the bolt to carry out spacing mode to the pressure release button, have spacing reliability height, long service life's advantage.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram illustrating that neither a pressure release key nor a reset key of an upper cover is pressed according to an embodiment of the present invention;

FIG. 2 shows a partial enlarged view at A in FIG. 1;

FIG. 3 is a schematic diagram illustrating a structure of an upper cover in which a pressure release button is pressed according to an embodiment of the present invention;

FIG. 4 shows a partial enlarged view at B in FIG. 3;

fig. 5 is a schematic structural diagram illustrating that a reset key of an upper cover is pressed according to an embodiment of the present invention;

FIG. 6 shows a partial enlarged view at C in FIG. 5;

FIG. 7 is a schematic structural diagram of an upper cover according to an embodiment of the present invention;

FIG. 8 shows a partial enlarged view at D in FIG. 7;

FIG. 9 is a schematic diagram of another perspective structure of the upper cover provided in accordance with the embodiment of the present invention;

FIG. 10 shows a partial enlarged view at E in FIG. 9;

fig. 11 illustrates an exploded view of an upper cover provided in accordance with an embodiment of the present invention;

FIG. 12 is a schematic view showing the structure of the handle cover of FIG. 1;

FIG. 13 is a schematic view showing the structure of the handle holder of FIG. 1;

fig. 14 is a schematic structural view of the pressure release key and the reset key in fig. 1.

Wherein the figures include the following reference numerals:

10. a cover body; 11. installing a buckle; 111. a limiting chute; 12. a shielding cover; 121. a face cover; 122. a handle; 1221. mounting holes; 1222. a handle base; 1223. a handle cover; 1224. sinking a platform; 1225. a first avoidance hole; 1226. a second avoidance hole; 13. a snap-fit cover;

20. a voltage limiting component; 21. an exhaust pipe; 22. a pressure limiting valve;

30. a pressure relief assembly; 31. a pressure relief key; 311. a card slot; 3111. a third guide slope; 312. avoiding the notch; 3121. a second guide slope; 313. releasing the keycaps; 314. a pressure relief lever; 32. resetting the key; 321. a second drive ramp; 322. resetting the keycap; 323. a reset lever; 33. a bolt; 331. a drive aperture; 332. a first drive ramp; 333. clamping the boss; 3331. a first guide slope; 334. a limiting boss; 34. an exhaust lever;

40. an elastic restoring member; 41. a first return spring; 42. a second return spring; 43. a third return spring;

50. and a seal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 14, an embodiment of the present invention provides an upper cover, which includes a cover 10, a pressure limiting assembly 20, and a pressure relief assembly 30. The pressure limiting assembly 20 comprises an exhaust pipe 21 and a pressure limiting valve 22, the exhaust pipe 21 penetrates through the cover body 10, the pressure limiting valve 22 is arranged at the upper end of the exhaust pipe 21, the lower end of the exhaust pipe 21 is communicated with the cooking cavity, the pressure limiting valve 22 is used for controlling the opening and closing of the upper end of the exhaust pipe 21, and the cooking cavity can be limited under high pressure in the pressure cooking process. In this embodiment, the pressure releasing assembly 30 includes a pressure releasing button 31, a reset button 32, a latch 33 and an exhaust lever 34, the pressure releasing button 31 is connected to a first end of the exhaust lever 34, a second end of the exhaust lever 34 is connected to the pressure limiting valve 22, the latch 33 has a limiting position for limiting the movement of the pressure releasing button 31 and an avoiding position for releasing the pressure releasing button 31, the reset button 32 drives the latch 33 to move from the limiting position to the avoiding position, and an elastic reset member 40 is disposed between the pressure releasing button 31, the reset button 32 and the latch 33 and the cover 10. The pressure relief key 31 and the reset key 32 have the same moving direction, the pressure relief key 31 has a pressure relief position for jacking the pressure limiting valve 22 through the exhaust lever 34 and an initial position for releasing the exhaust lever 34, and the latch 33 is located at a limit position under the condition that the pressure relief key 31 is located at the pressure relief position.

With the upper cover provided by the embodiment, after cooking is completed, the pressure relief key 31 is pressed, the pressure relief key 31 drives the first end of the exhaust lever 34 to move downwards, so that the second end of the exhaust lever 34 lifts up the pressure limiting valve 22, and further, the pressure in the cooking cavity is rapidly reduced. At this moment, the pressure relief key 31 is located the pressure relief position, and the bolt 33 is located limit position, utilizes the bolt 33 to restrict the pressure relief key 31 at the pressure relief position, need not to press the pressure relief key 31 all the time and can realize lasting pressure relief. After the pressure relief of the cooking cavity is completed, the reset key 32 is pressed, the bolt 33 is driven by the reset key 32 to move from the limiting position to the avoiding position, the bolt 33 can be separated from the pressure relief key 31, and the pressure relief key 31 is reset under the action of the elastic reset piece 40. After release of reset button 32, reset button 32 and latch 33 are also reset by resilient reset element 40. By adopting the structure, the pressure relief key 31 and the reset key 32 are matched to realize the quick pressure relief of the cooking utensil, and the pressure relief device has the advantage of simple structure. Since the pressure release button 31 and the reset button 32 move in the same direction, the user can conveniently press the pressure release button 31 and the reset button 32, which is advantageous in operation. In addition, the mode that the bolt 33 is used for limiting the pressure relief key 31 has the advantages of high limiting reliability and long service life.

It should be noted that, by adopting the way that the two keys of the pressure release key 31 and the reset key 32 are matched, the cooking device can be switched between the pressure cooking state and the non-pressure cooking state. Under the condition that the pressure relief key 31 is not pressed down, the pressure relief key 31 does not lift up the pressure limiting valve 22, at the moment, the upper end of the exhaust pipe 21 can be sealed by the pressure limiting valve 22, and the cooking utensil can cook under the pressure cooking state. Under the condition that will release button 31 and press, pressure relief button 31 can jack up pressure-limiting valve 22, and blast pipe 21 is open at this moment, and the culinary art chamber is linked together through blast pipe 21 and the external world, and cooking utensil can cook under the non-pressure culinary art state.

In this embodiment, the pressure release button 31 and the reset button 32 are both movably disposed in the vertical direction, and the latch 33 is movably disposed in the horizontal direction. With the above arrangement, since the pressure release button 31 and the reset button 32 have the same moving direction, it is convenient for the user to press the pressure release button 31 and the reset button 32.

In addition, the moving direction of the plug 33 is perpendicular to the moving direction of the reset button 32, so that a driving structure is conveniently arranged between the reset button 32 and the plug 33, the plug 33 is driven to move by the driving structure, the moving direction of the pressure relief button 31 is perpendicular to the moving direction of the plug 33, and the plug 33 is conveniently in limit fit with or separated from the pressure relief button 31.

As shown in fig. 2, the plug 33 has a driving hole 331, the reset button 32 is movably disposed through the driving hole 331, a first driving inclined surface 332 is disposed on a hole wall of the driving hole 331, and a second driving inclined surface 321 matched with the first driving inclined surface 332 is disposed on a side wall of the reset button 32. The first driving inclined surface 332 and the second driving inclined surface 321 are in driving fit, so that the reset key 32 drives the bolt 33 to move from the limiting position to the avoiding position, and the driving structure is simple.

In the present embodiment, on the moving path of the latch 33, the length dimension of the driving hole 331 is larger than the outer diameter dimension of the portion of the reset button 32 inserted into the driving hole 331.

As shown in fig. 2, a clamping groove 311 is formed in a side wall of the pressure release button 31, a clamping boss 333 is formed at one end of the plug 33, and the clamping boss 333 is clamped in the clamping groove 311 when the pressure release button 31 is located at the pressure release position. The clamping boss 333 and the clamping groove 311 are clamped and matched, so that the clamping is firm, and the bolt 33 can stably limit the pressure release key 31 under the condition that the pressure release key 31 is located at the pressure release position.

As shown in fig. 2, the lower end of the pressure release button 31 is provided with an escape notch 312, and the snap projection 333 is inserted into the escape notch 312 when the pressure release button 31 is located at the initial position. The pressure relief key 31 is avoided by the avoiding notch 312, and when the pressure relief key 31 is located at the initial position, the clamping boss 333 of the plug 33 extends into the avoiding notch 312, so that the plug 33 does not interfere with the pressure relief key 31.

In this embodiment, an upper end surface of the locking boss 333 is a first guide inclined surface 3331, an upper end surface of the escape notch 312 is a second guide inclined surface 3121, and an upper end surface of the locking slot 311 is a third guide inclined surface 3111. In the process of pressing the pressure relief key 31 from the initial position to the pressure relief position, the first guide inclined surface 3331 and the second guide inclined surface 3121 are matched, so that the pin 33 smoothly moves from the limiting position to the avoiding position, and in the process, the pin 33 does not interfere with the pressure relief key 31.

As shown in fig. 10 and 13, two mounting buckles 11 are disposed on the cover 10, the two mounting buckles 11 are respectively located at two sides of the plug pin 33, the side walls of the two mounting buckles 11 are both provided with limiting sliding grooves 111, and two sides of the plug pin 33 are respectively slidably inserted into the two limiting sliding grooves 111. When the bolt 33 moves between the limit position and the avoidance position, the limit chute 111 can guide the movement of the bolt 33. In addition, the latch 33 does not fall off from the lid body 10 by the limit action of the limit chute 111, and the assembling firmness of the latch 33 is high.

Specifically, the installation buckle 11 comprises a vertical section and a horizontal section arranged above the vertical section, the horizontal section protrudes out of the side wall of the vertical section, and the vertical section and the horizontal section jointly form the installation buckle 11.

As shown in fig. 10 and 13, the plug 33 is provided with a limit projection 334, and when the plug 33 is located at the limit position, the limit projection 334 abuts against the mounting buckle 11. The bolt 33 is limited by the limit boss 334, so that direct impact collision between the bolt 33 and the pressure relief key 31 is avoided.

As shown in fig. 1, the cover body 10 includes a shielding cover 12 and a fastening cover 13 located below the shielding cover 12, the exhaust pipe 21 is fixedly connected to the fastening cover 13, the shielding cover 12 includes a surface cover 121 and a handle 122 disposed on the surface cover 121, and the pressure releasing button 31, the reset button 32 and the latch 33 are movably disposed in the handle 122.

By adopting the structure, the integration level of the pressure relief key 31, the reset key 32 and the plug 33 is higher. In addition, the pressure relief key 31 and the reset key 32 are both arranged on the handle 122, so that a user can conveniently search for the keys and press the keys.

As shown in fig. 8, 12 and 14, the pressure relief key 31 includes a pressure relief key cap 313 and a pressure relief rod 314 connected to a lower end of the pressure relief key cap 313, the reset key 32 includes a reset key cap 322 and a reset rod 323 connected to a lower end of the reset key cap 322, the handle 122 has a mounting hole 1221, and the pressure relief key cap 313 and the reset key cap 322 are coupled to each other and located in the mounting hole 1221. The integrity of the key is higher because the pressure relief key cap 313 and the reset key cap 322 are spliced together. In addition, after one of the pressure relief key 31 and the reset key 32 is pressed down, a user can conveniently observe the pressing states of the pressure relief key 31 and the reset key 32, so that the user can conveniently operate according to the use requirement.

In this embodiment, the pressure relief key cap 313 and the reset key cap 322 are spliced into a circular key cap.

As shown in fig. 2, the elastic restoring member 40 includes a first restoring spring 41, a second restoring spring 42, and a third restoring spring 43.

The first return spring 41 is sleeved on the pressure relief rod 314, one end of the first return spring 41 abuts against the pressure relief key cap 313, and the other end of the first return spring 41 abuts against the handle 122. After the latch 33 releases the pressure release button 31, the pressure release button 31 is restored to the initial position by the elastic force of the first return spring 41.

The second return spring 42 is sleeved on the return rod 323, one end of the second return spring 42 is abutted with the return key cap 322, and the other end of the second return spring 42 is abutted with the handle 122. One end of the third return spring 43 abuts against the latch 33, and the other end of the third return spring 43 abuts against the handle 122.

After the reset key 32 is used to drive the latch 33 to move from the limiting position to the avoiding position, the reset key 32 will reset to the initial position which is not pressed under the elastic force of the second return spring 42, the latch 33 will reset to the limiting position from the avoiding position under the elastic force of the third return spring 43, at this moment, the clamping boss 333 of the latch 33 extends into the avoiding notch 312 of the pressure release key 31, and the latch 33 will not interfere with the pressure release key 31.

In this embodiment, utilize two buttons, bolt and three reset spring to cooperate and realize cooking utensil's the switching of quick exhaust or culinary art state (there is pressure culinary art state and non-pressure culinary art state), have simple structure, the reliability is high and the advantage of the maintenance of being convenient for.

As shown in fig. 11, the handle 122 includes a handle holder 1222 and a handle cover 1223 coupled to an upper end of the handle holder 1222, so that the pressure release button 31, the reset button 32, and the latch 33 are assembled into the handle 122.

In this embodiment, the handle base 1222 and the handle cover 1223 are snap fit, which has the advantage of ease of assembly.

The handle cover 1223 is provided with a sinking platform 1224, and an inner hole of the sinking platform 1224 forms an installation hole 1221, so that the pressure relief key 31 and the reset key 32 do not protrude out of the handle 122, and the integrity of the cooking appliance can be improved.

Specifically, be provided with first hole 1225 and the second hole 1226 of dodging on the diapire of heavy platform 1224, pressure release pole 314 wears to locate first hole 1225 of dodging and stretches into in the handle seat 1222, and reset rod 323 wears to locate the second hole 1226 of dodging and stretches into in the handle seat 1222. The pressure relief lever 34 is pressed by the pressure relief rod 314, and the pressure limiting valve 22 is lifted up by the pressure relief lever 34. The latch 33 is driven by the reset lever 323 to move from the limit position to the escape position.

In this embodiment, the latch 33 is movably disposed in the handle seat 1222 to facilitate machining of the mounting buckle 11 for mounting the latch 33.

In this embodiment, the mounting buckle 11 is disposed on the bottom wall of the handle holder 1222.

In the present embodiment, the sealing member 50 at the exhaust lever 34 prevents the high-temperature steam exhausted from the exhaust pipe 21 from entering the cover body along the exhaust lever 34.

The invention further provides a cooking appliance, which comprises a pot body and an upper cover, wherein the upper cover can be covered on the pot body in an openable and closable manner, and is the upper cover. Therefore, the cooking appliance can also utilize the pressure relief key 31 and the reset key 32 to be matched with each other to realize the quick pressure relief of the cooking appliance, and the cooking appliance has the advantage of simple structure. In addition, the mode that the bolt 33 is used for limiting the pressure relief key 31 has the advantages of high limiting reliability and long service life.

Wherein, the cooking utensil comprises an electric pressure cooker or a multifunctional heating pot with the functions of baking, cooking and cooking.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. An upper cover, comprising:

a cover body (10);

the pressure limiting assembly (20) comprises an exhaust pipe (21) and a pressure limiting valve (22), the exhaust pipe (21) penetrates through the cover body (10), and the pressure limiting valve (22) is arranged at the upper end of the exhaust pipe (21);

the pressure relief assembly (30) comprises a pressure relief key (31), a reset key (32), a bolt (33) and an exhaust lever (34), the pressure relief key (31) is in driving connection with a first end of the exhaust lever (34), a second end of the exhaust lever (34) is in driving connection with the pressure limiting valve (22), the bolt (33) is provided with a limiting position for limiting the movement of the pressure relief key (31) and an avoiding position capable of releasing the pressure relief key (31), the reset key (32) drives the bolt (33) to move from the limiting position to the avoiding position, and an elastic reset piece (40) is arranged between each of the pressure relief key (31), the reset key (32) and the bolt (33) and the cover body (10);

the pressure relief key (31) and the reset key (32) are in the same moving direction, the pressure relief key (31) has a pressure relief position for jacking the pressure limiting valve (22) through the exhaust lever (34) and an initial position for releasing the exhaust lever (34), and the bolt (33) is located at the limiting position under the condition that the pressure relief key (31) is located at the pressure relief position.

2. The upper cover according to claim 1, wherein the pressure release button (31) and the reset button (32) are both movably arranged in a vertical direction, and the latch (33) is movably arranged in a transverse direction.

3. The upper cover according to claim 1, wherein the bolt (33) has a driving hole (331), the reset button (32) is movably disposed through the driving hole (331), the wall of the driving hole (331) is provided with a first driving inclined surface (332), and the sidewall of the reset button (32) is provided with a second driving inclined surface (321) which is matched with the first driving inclined surface (332).

4. The upper cover according to claim 1, wherein a clamping groove (311) is formed in a side wall of the pressure relief key (31), a clamping boss (333) is arranged at one end of the plug pin (33), and the clamping boss (333) is clamped in the clamping groove (311) when the pressure relief key (31) is located at the pressure relief position.

5. The upper cover according to claim 4, wherein an avoiding gap (312) is formed at the lower end of the pressure relief key (31), and the clamping boss (333) is inserted into the avoiding gap (312) when the pressure relief key (31) is located at the initial position.

6. The upper cover according to claim 5, wherein the upper end surface of the locking boss (333) is a first guide inclined surface (3331), the upper end surface of the avoiding notch (312) is a second guide inclined surface (3121), and the upper end surface of the locking groove (311) is a third guide inclined surface (3111).

7. The upper cover according to claim 1, wherein two mounting buckles (11) are arranged on the cover body (10), the two mounting buckles (11) are respectively located at two sides of the bolt (33), the side walls of the two mounting buckles (11) are respectively provided with a limiting sliding groove (111), and two sides of the bolt (33) are respectively slidably inserted into the two limiting sliding grooves (111).

8. The upper cover according to claim 7, characterized in that the bolt (33) is provided with a limit projection (334), and the limit projection (334) abuts against the mounting buckle (11) when the bolt (33) is in the limit position.

9. The upper cover according to any one of claims 1 to 8, wherein the cover body (10) comprises a shielding cover (12) and a fastening cover (13) located below the shielding cover (12), the exhaust pipe (21) is fixedly connected with the fastening cover (13), the shielding cover (12) comprises a face cover (121) and a handle (122) arranged on the face cover (121), and the pressure relief button (31), the reset button (32) and the latch (33) are movably arranged in the handle (122).

10. The upper cover according to claim 9, wherein the pressure relief key (31) comprises a pressure relief key cap (313) and a pressure relief rod (314) connected to a lower end of the pressure relief key cap (313), the reset key (32) comprises a reset key cap (322) and a reset rod (323) connected to a lower end of the reset key cap (322), the handle (122) has a mounting hole (1221), and the pressure relief key cap (313) and the reset key cap (322) are spliced and located in the mounting hole (1221).

11. The upper cover according to claim 10, characterized in that the elastic return member (40) comprises:

the first return spring (41) is sleeved on the pressure relief rod (314), one end of the first return spring (41) is abutted with the pressure relief key cap (313), and the other end of the first return spring (41) is abutted with the handle (122);

the second reset spring (42) is sleeved on the reset rod (323), one end of the second reset spring (42) is abutted with the reset key cap (322), and the other end of the second reset spring (42) is abutted with the handle (122);

and one end of the third return spring (43) is abutted against the bolt (33), and the other end of the third return spring (43) is abutted against the handle (122).

12. The overcap of claim 10,

the handle (122) comprises a handle seat (1222) and a handle cover (1223) connected with the upper end of the handle seat (1222);

the handle cover (1223) is provided with a sinking platform (1224), and an inner hole of the sinking platform (1224) forms the mounting hole (1221);

a first avoidance hole (1225) and a second avoidance hole (1226) are formed in the bottom wall of the sinking platform (1224), the pressure relief rod (314) penetrates through the first avoidance hole (1225) and extends into the handle seat (1222), and the reset rod (323) penetrates through the second avoidance hole (1226) and extends into the handle seat (1222);

the bolt (33) is movably arranged in the handle seat (1222).

13. A cooking appliance, characterized in that it comprises:

a pan body;

the upper cover is arranged on the pot body in a covering and uncovering mode, and the upper cover is as defined in any one of claims 1 to 12.

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