CN108851967B

CN108851967B - Cooking utensil

Info

Publication number: CN108851967B
Application number: CN201810375400.9A
Authority: CN
Inventors: 丁金炬; 王洪元; 何国营; 李建; 孟城城
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2018-04-24
Filing date: 2018-04-24
Publication date: 2020-11-06
Anticipated expiration: 2038-04-24
Also published as: CN108851967A

Abstract

A cooking utensil is provided with a pot cover and a pot body, wherein a pressure limiting valve and an exhaust assembly are arranged on the pot cover, the exhaust assembly comprises an upper exhaust pipe and a lower exhaust pipe, an exhaust port at the upper end of the upper exhaust pipe is blocked by the pressure limiting valve, the lower end of the upper exhaust pipe is connected with the lower exhaust pipe to form an exhaust channel together, the exhaust assembly is further provided with an exhaust hole, the lower exhaust pipe drives the upper exhaust pipe to rotate, the upper exhaust pipe generates vertical displacement in the rotating process, a gap is generated between the top end of the upper exhaust pipe and the lower exhaust pipe, and the gap is communicated with the exhaust hole and the exhaust channel, so that the exhaust hole exhausts outwards. The last blast pipe of this application cooking utensil rotates and reciprocates with the help of the drive of lower blast pipe, and produce the clearance between the lower blast pipe so that the exhaust hole can outwards exhaust to can switch this cooking utensil to non-pressure mode by the mode of operation that presses.

Description

Cooking utensil

Technical Field

The present invention relates to a cooking appliance, and more particularly, to a cooking appliance having a pressure limiting valve and a vent hole.

Background

The electric pressure cooker and the rice cooker are two common household small household appliances in a household kitchen, the electric pressure cooker can be used for cooking food which is difficult to cook due to the fact that the electric pressure cooker can be used for pressing upwards, and the cooked rice is basically stewed due to the fact that the problem that the cooked rice is easy to overflow, and the taste of the cooked rice is poor. The rice cooker is cooking without pressure, can be fully boiled and heated, and is mainly used for cooking rice. In order to meet the cooking requirement comprehensively, some families have both an electric pressure cooker and an electric cooker, and two products occupy a lot of space in a kitchen.

There is also an electric pressure cooker which has two working modes, one is a working environment with pressure formed by a pressure limiting valve, and the other is a working environment without pressure formed by opening other exhaust holes which are not limited by the pressure limiting valve, but the switching structure for realizing the two working modes is complex.

There is a need for improvements to the cooking appliance.

Disclosure of Invention

The application provides a cooking utensil, it can realize having pressure and two kinds of mode of non-pressure and mode switch easily operates.

Specifically, the method is realized through the following technical scheme: a cooking utensil is provided with a pot cover and a pot body, wherein the pot cover is provided with a pressure limiting valve and an exhaust assembly, the pressure limiting valve is provided with a containing cavity and a valve core positioned in the containing cavity, the exhaust assembly comprises an upper exhaust pipe and a lower exhaust pipe, the upper end of the upper exhaust pipe extends into the containing cavity of the pressure limiting valve, an exhaust port at the upper end of the upper exhaust pipe is blocked by the valve core, the lower end of the upper exhaust pipe is connected with the lower exhaust pipe to form an exhaust channel together with the lower exhaust pipe, the exhaust assembly is also provided with an exhaust hole, the lower exhaust pipe drives the upper exhaust pipe to rotate, the upper exhaust pipe generates vertical displacement in the rotation process, a gap is generated between the top end of the upper exhaust pipe and the lower exhaust pipe, and the gap is communicated with the exhaust hole and the. Last exhaust pipe in this application rotates and reciprocates with the help of the drive of lower exhaust pipe, and produce the clearance between the lower exhaust pipe and make the exhaust hole to outer exhaust, switch over this cooking utensil to non-pressure mode by the mode of operation that presses.

According to an embodiment of the application, the lateral wall of the upper end of the lower exhaust pipe is provided with an outward protruding convex part or an inward concave groove, the upper exhaust pipe is correspondingly provided with a groove or a convex part, and the lower exhaust pipe drives the upper exhaust pipe to rotate by means of the mutual matching of the concave-convex structures. The upper exhaust pipe and the lower exhaust pipe rotate together by means of concave-convex mutual matching, and the structure is simple and reliable.

According to an embodiment of the application, pot cover outside-in includes upper cover, lining lid and stainless steel inner cup in proper order, the upper cover fixed surface has the handle, exhaust subassembly fixes on this lining lid, and the bottom of lower exhaust pipe passes the lining lid with the stainless steel inner cup is connected, rotates the handle drives the stainless steel inner cup rotates, the stainless steel inner cup rotates and further drives lower exhaust pipe rotates. The user can make lower exhaust pipe rotate through rotating the handle, and the structure is simple and reasonable.

According to one embodiment of the application, the exhaust assembly is further provided with a lifting rod which is fixed on the side wall of the upper exhaust pipe and extends outwards; and the lining cover is provided with a convex rib, and the lifting rod climbs along the top surface of the convex rib and drives the upper exhaust pipe to move upwards in the rotating process of the upper exhaust pipe. This application realizes the displacement upwards of last exhaust pipe with the help of lifting rod and protruding muscle to produce the intercommunication exhaust hole reaches exhaust passage's aforementioned clearance realizes this cooking utensil by the switching of having pressure mode to non-pressure mode.

According to one embodiment of the application, the lining cover is provided with a through hole for the exhaust component to pass through, the convex rib is arranged around the through hole in an arc shape, and the part of the lifting rod extending out of the upper exhaust pipe is pressed against the top surface of the convex rib; and the exhaust assembly is provided with a plurality of lifting rods, and the lining cover is correspondingly provided with a plurality of convex ribs. The utility model provides a protruding muscle and lifting rod are a plurality of settings, make upward shift movement among the exhaust pipe rotation process is more steady.

According to one embodiment of the present application, the lifting rod is fixed to the upper exhaust pipe side wall by a screw connection. The lifting rod of this application is fixed reliable.

According to one embodiment of the present application, the lifting bar is fixed to the upper exhaust pipe side wall by welding. The lifting rod of this application is fixed reliable.

According to an embodiment of the application, this exhaust subassembly still is equipped with fixation nut, after lower exhaust pipe upper end stretched into in this upper exhaust pipe, this fixation nut from bottom to top assemble with the bottom screw thread closure of upper exhaust pipe to still press from both sides between this lower exhaust pipe's top and this fixation nut and be equipped with the spring. The lower exhaust pipes are movably fixed in the upper exhaust pipes by nuts and springs.

According to one embodiment of the application, the exhaust assembly further comprises an exhaust sealing ring, the lower end of the upper exhaust pipe is sleeved outside the upper end of the lower exhaust pipe, the joint of the upper exhaust pipe and the lower exhaust pipe is in sealing connection through the exhaust sealing ring, and the exhaust hole and the exhaust channel are sealed and separated through the exhaust sealing ring; the upper exhaust pipe leaves the exhaust sealing ring through upward displacement and generates the gap, so that the exhaust hole is communicated with the exhaust channel. The upper exhaust pipe and the lower exhaust pipe are connected in a sealing way through the sealing ring, so that a pressure working environment is ensured; when the upper exhaust pipe moves upwards, the sealing state is released, and the cooking utensil is switched to a non-pressure working environment.

According to one embodiment of the present application, the upper vent pipe includes an upper portion and a widened lower portion forming a transition wall therebetween; the exhaust sealing ring is fixed at the top end of the lower exhaust pipe and positioned between the transition wall and the top surface of the lower exhaust pipe, and the exhaust hole is arranged on the transition wall in a penetrating way; before the clearance is produced, the exhaust sealing ring blocks the exhaust hole. The exhaust hole is formed in the transition wall of the upper exhaust pipe and is blocked by the sealing ring fixed at the top end of the lower exhaust pipe, and the structure is simple and reasonable.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 illustrates a perspective assembly view of a cooking appliance according to an embodiment of the present application.

Fig. 2 is an exploded perspective view of a pot cover of the cooking appliance shown in fig. 1.

Fig. 3 is an exploded perspective view of the exhaust assembly of the cooking appliance of fig. 2.

Fig. 4 is a top view of the lower exhaust duct of the exhaust assembly shown in fig. 3.

Fig. 5 is a bottom view of the upper exhaust pipe of the exhaust assembly shown in fig. 3.

Fig. 6 is a perspective view of the lid of the cooking appliance of fig. 1 with the upper lid and handle removed for ease of viewing, wherein the exhaust assembly is in a first state.

FIG. 7 is similar to FIG. 6, taken from a different angle.

Fig. 8 is a sectional view taken along line a-a in fig. 7.

Fig. 9 is a partially enlarged view of a circle in fig. 8.

Figure 10 is similar to figure 6 except that the exhaust assembly on the lid is in a second state.

FIG. 11 is similar to FIG. 9, but with the exhaust assembly also in a second state.

The reference numbers illustrate:

the stainless steel inner cover comprises an upper cover 1, a handle 10, a handle seat 12, a lining cover 2, a convex rib 21, a top surface 23, a stainless steel inner cover 3, a mounting hole 32, a fixing piece 33, a pressure limiting valve 4, a containing cavity 40, a valve core 42, an exhaust assembly 5, an exhaust channel 500, an exhaust port 501, a gap 502, an upper exhaust pipe 51, an upper portion 511, a lower portion 512, a transition wall 513, an exhaust hole 514, a groove 516, a lower exhaust pipe 52, a top end 520, a flange 521, a matching portion 522, a protruding portion 524, an exhaust sealing ring 53, a fixing nut 55, a spring 56 and a lifting rod 57.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of devices, systems, apparatuses, and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The application provides a cooking utensil, this cooking utensil can be provided with and presses two kinds of mode of operation of non-pressure. Please refer to fig. 1 and 2, the cooking device includes a pot cover and a pot body, the pot cover of the cooking device sequentially includes an upper cover 1, a lining cover 2 and a stainless steel inner cover 3 from outside to inside, the upper cover 1 is further provided with a handle 10, and the lining cover 2 is provided with a handle seat 12 matched with the handle 10. The cooker cover is also provided with a pressure limiting valve 4 and an exhaust assembly 5, the exhaust assembly 5 is fixed on the lining cover 2, and the pressure limiting valve 4 is fixed on the upper cover 1 and blocks the top end of the exhaust assembly 5.

Referring to fig. 3 in conjunction with fig. 6 to 9, the exhaust assembly 5 includes an upper exhaust pipe 51, a lower exhaust pipe 52 and an exhaust sealing ring 53. The exhaust assembly 5 is mounted on the cap 2 with the upper end of the upper exhaust pipe 51 protruding from the upper surface of the cap 2. Referring to fig. 9, the pressure limiting valve 4 on the upper cover 1 is provided with an accommodating cavity 40 and a valve core 42 in the accommodating cavity 40, the upper end of the upper exhaust pipe 51 extends into the accommodating cavity 40 of the pressure limiting valve 4, the valve core 42 blocks an exhaust port 501 at the upper end, and the lower end of the upper exhaust pipe 51 is connected with the lower exhaust pipe 52 to form an exhaust channel 500 together with the lower exhaust pipe 52.

The joint of the upper exhaust pipe 51 and the lower exhaust pipe 52 is hermetically connected by the exhaust sealing ring 53. With continued reference to FIG. 9, the upper vent tube 51 includes an upper portion 511 and a widened lower portion 512, wherein the upper portion 511 and the lower portion 512 are both cylindrical and define a transition wall 513 therebetween. The lower end of the upper exhaust pipe 51, i.e. the lower part 512, is sleeved outside the upper end of the lower exhaust pipe 52, and the exhaust sealing ring 53 is fixed at the top end 520 of the lower exhaust pipe 52.

The exhaust assembly 5 further includes a retaining nut 55 and a spring 56. After the upper end of the lower exhaust pipe 52 extends into the lower part 512 of the upper exhaust pipe 51, the spring 56 is looped around the lower exhaust pipe 52 and is plugged into the lower part 512 of the upper exhaust pipe 51 from bottom to top, and the top of the lower exhaust pipe 52 is provided with a ring of flange 521 for the top end of the spring 56 to abut against. Finally, the fixing nut 55 is sleeved on the lower exhaust pipe 52 and is in threaded locking with the bottom of the upper exhaust pipe 51 from bottom to top, after the fixing nut 55 is fixed, the top end of the spring 56 abuts against the lower exhaust pipe 52, and the bottom end abuts against the fixing nut 55. The upper exhaust duct 51 of the assembled rear exhaust assembly 5 cannot move downward because its transition wall 513 abuts against the lower exhaust duct 52, but can move upward as long as the elastic force of the spring 56 is overcome. The upper exhaust pipe 51 and the lower exhaust pipe 52 are movably connected through a fixing nut 55 and a spring 56.

The exhaust assembly 5 has 2 states, and the exhaust assembly 5 in fig. 6 to 9 is in the first state, in which the sealing ring 53 is clamped by the transition wall 513 and the top surface of the lower exhaust pipe 52, so as to achieve the sealing connection therebetween. In this state, the air in the pot of the cooking appliance enters from the bottom air inlet of the lower air outlet pipe 52 and exits from the air outlet 501 of the upper air outlet pipe 51. Because the valve core 42 of the pressure limiting valve 4 is blocked at the exhaust port 501, as long as the valve core 42 is moved away when the pressure reaches a threshold value, the exhaust port 501 can exhaust air outwards, and the pressure in the cooker is in a pressure working state before the pressure in the cooker reaches the threshold value, so that the cooker is more suitable for cooking food which is difficult to cook.

Referring to fig. 10 and 11, the exhaust assembly 5 is in the second state, providing a pressureless operating state for the cooking appliance of the present application. The lower exhaust pipe 52 can drive the upper exhaust pipe 51 to rotate, and the upper exhaust pipe 51 can move upwards relative to the lower exhaust pipe 52 in the rotating process, so that the transition wall 513 is separated from the exhaust sealing ring 53, and a gap 502 is formed between the transition wall 513 and the top end of the lower exhaust pipe 52. The transition wall 513 is provided with an exhaust hole 514, when the exhaust assembly 5 is in the first state shown in fig. 9, the exhaust hole 514 and the exhaust channel 500 are sealed and separated by the exhaust sealing ring 53, and the exhaust cannot be exhausted, in this embodiment, the exhaust sealing ring 53 directly seals the exhaust hole 514; when the upper exhaust pipe 51 is displaced away from the exhaust gasket 53 to form the gap 502, the exhaust hole 514 communicates with the exhaust passage 500 through the gap 502 to exhaust the air. The pressure-limiting valve 4 of the upper lid 1 is deactivated, and the cooking appliance is in a non-pressure working state by means of the vent hole 514.

The upper exhaust pipe 51 is driven to rotate and move upwards by the lower exhaust pipe 52, a gap 502 is generated, the exhaust hole 514 exhausts outwards, the corresponding cooking utensil has 2 working states, one does not exhaust, is limited by the pressure limiting valve and is in a pressure working state, the other exhausts, the pressure limiting valve does not work and is in a non-pressure working state, and the cooking utensil is more suitable for cooking rice.

Please note that, in the present embodiment, the upper exhaust pipe 51 moves upward, it is understood that the formation of the gap is not limited to the upper exhaust pipe 51 moving upward, the upper exhaust pipe 51 moving downward may also be used, as long as the top end of the lower exhaust pipe 52 is adjusted to cover the outer side of the upper exhaust pipe 51, the structure of the connection between the upper exhaust pipe and the lower exhaust pipe 52 is that the lower exhaust pipe 52 is above, the upper exhaust pipe 51 is below, the upper exhaust pipe 51 cannot move upward but moves downward, the gap appears after the downward movement, the exhaust hole 514 is adjusted to the top end of the lower exhaust pipe 52 located outside, and other manners are also possible, which are not described herein again.

The process of switching the upper exhaust pipe 51 from the first state to the second state will be described, looking first at the manner of rotation of the upper exhaust pipe 51.

Referring to fig. 3 to 11, the lower exhaust pipe 52 is further provided with an outward protruding protrusion 524 on the flange 521, the upper exhaust pipe 51 is correspondingly provided with a groove 516, the groove 516 downwardly penetrates through the lower end surface of the upper exhaust pipe 51, and as shown in fig. 9, when the lower exhaust pipe 52 is upwardly assembled into the upper exhaust pipe 51, the protrusion 524 is clamped into the groove 516, and by means of the mutual matching of the concave-convex structures, the lower exhaust pipe 52 can drive the upper exhaust pipe 51 to rotate together. Of course, as a simple alternative, it is also possible to provide the lower exhaust duct 52 with a groove and the upper exhaust duct 51 with a projection, forming this male-female mating structure. The upper exhaust pipe 51 and the lower exhaust pipe 52 are matched with each other by means of the concave-convex to realize rotation together, and the structure is simple

The bottom of the lower exhaust pipe 52 is provided with a fitting portion 522, the fitting portion 522 is of a non-circular structure, and the fitting portion 522 is fixed to the stainless steel inner cover 3 by a fixing member 33 through the mounting hole 32 of the stainless steel inner cover 3. Therefore, when the handle 10 is rotated to rotate the stainless steel inner cover 3, the stainless steel inner cover 3 will rotate the lower exhaust pipe 52, and the rotation of the lower exhaust pipe 52 will drive the rotation of the upper exhaust pipe 51 as described in the previous paragraph. In this embodiment, the cooking appliance is an electric pressure cooker, and for the electric pressure cooker, the handle 10 driving the stainless steel inner cover 3 is a general technology of such products, and is not described again.

The upward movement of the upper exhaust pipe 51 will be described, please refer to fig. 3 and 7, and the exhaust assembly 5 further has a plurality of lifting rods 57, one end of each lifting rod 57 is fixed on the side wall of the upper exhaust pipe 51, and the fixing manner may be a threaded connection or welding, so that the lifting rods 57 are fixed reliably. The lining cover 2 is provided with a through hole for the exhaust component 5 to pass through, and a plurality of convex ribs 21 are arranged around the through hole and are arc-shaped. The lower exhaust pipe 52 drives the upper exhaust pipe 51 to rotate, and the rotation direction is actually the opening direction of the stainless steel inner cover 3, and is the counterclockwise direction in the embodiment. The top surface 23 of the rib 21 is inclined upward in the counterclockwise direction, and may be an inclined surface or an arc surface. The other end of the lifting rod 57 abuts against the top surface 23 of the rib 21. During the rotation of the upper exhaust pipe 51, the lifting rod 57 climbs along the top surface 23 of the rib 21 and drives the upper exhaust pipe 21 to move upwards to generate the gap 502, so that the exhaust hole 514 is communicated with the exhaust channel 500, and further, the exhaust can be exhausted through the exhaust hole 514. The ribs 21 and the lifting rods 57 are all arranged in a plurality of ways, so that the upward movement of the upper exhaust pipe 12 is more stable.

This application cooking utensil's exhaust subassembly 5 drives upper exhaust pipe 51 with the help of lower exhaust pipe 52 and rotates, and the displacement of upper and lower direction takes place for this upper exhaust pipe 51 when rotating, produces clearance 502, makes exhaust hole 514 and this exhaust subassembly 5's exhaust passage 500 communicate, and outside exhaust has realized this cooking utensil's 2 kinds of operating mode's simple switching.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A cooking utensil is provided with a pot cover and a pot body, the pot cover is provided with a pressure limiting valve and an exhaust assembly, the pressure limiting valve is provided with an accommodating cavity and a valve core positioned in the accommodating cavity, the exhaust assembly comprises an upper exhaust pipe, a lower exhaust pipe and an exhaust sealing ring, the upper end of the upper exhaust pipe extends into the accommodating cavity of the pressure limiting valve, the valve core blocks an exhaust port at the upper end of the upper exhaust pipe, the lower end of the upper exhaust pipe is connected with the lower exhaust pipe to form an exhaust channel together with the lower exhaust pipe, and the joint of the upper exhaust pipe and the lower exhaust pipe is in sealing connection through the exhaust sealing ring, and the cooking utensil is characterized in: the exhaust assembly is also provided with an exhaust hole, the lower exhaust pipe drives the upper exhaust pipe to rotate, the upper exhaust pipe generates vertical displacement in the rotating process, a gap is generated between the top end of the upper exhaust pipe and the lower exhaust pipe, and the gap is communicated with the exhaust hole and the exhaust channel, so that the exhaust hole exhausts outwards.

2. A cooking appliance as claimed in claim 1, wherein: the side wall of the upper end of the lower exhaust pipe is provided with an outward protruding convex part or an inward concave groove, the upper exhaust pipe is correspondingly provided with a groove or a convex part, and the lower exhaust pipe drives the upper exhaust pipe to rotate by means of the mutual matching of the concave-convex structures.

3. A cooking appliance as claimed in claim 1, wherein: the cooker cover sequentially comprises an upper cover, a lining cover and a stainless steel inner cover from outside to inside, wherein a handle is fixed on the surface of the upper cover, the exhaust assembly is fixed on the lining cover, the bottom of the lower exhaust pipe penetrates through the lining cover to be connected with the stainless steel inner cover, the handle is rotated to drive the stainless steel inner cover to rotate, and the stainless steel inner cover rotates to further drive the lower exhaust pipe to rotate.

4. A cooking appliance as claimed in claim 3, wherein: the exhaust assembly is also provided with a lifting rod which is fixed on the side wall of the upper exhaust pipe and extends outwards; and the lining cover is provided with a convex rib, and the lifting rod climbs along the top surface of the convex rib and drives the upper exhaust pipe to move upwards in the rotating process of the upper exhaust pipe.

5. A cooking appliance as claimed in claim 4, wherein: the lining cover is provided with a through hole for the exhaust assembly to pass through, the convex rib is arranged around the through hole in an arc shape, and the part of the lifting rod extending out of the upper exhaust pipe is pressed on the top surface of the convex rib; and the exhaust assembly is provided with a plurality of lifting rods, and the lining cover is correspondingly provided with a plurality of convex ribs.

6. A cooking appliance as claimed in claim 4, wherein: the lifting rod is fixed on the side wall of the upper exhaust pipe through threaded connection.

7. A cooking appliance as claimed in claim 4, wherein: the lifting rod is fixed on the side wall of the upper exhaust pipe through welding.

8. A cooking appliance as claimed in claim 1, wherein: the exhaust assembly is also provided with a fixing nut, after the upper end of the lower exhaust pipe extends into the upper exhaust pipe, the fixing nut is assembled from bottom to top and is in threaded locking with the bottom of the upper exhaust pipe, and a spring is clamped between the top end of the lower exhaust pipe and the fixing nut.

9. A cooking appliance as claimed in claim 1, wherein: the lower end of the upper exhaust pipe is sleeved on the outer side of the upper end of the lower exhaust pipe, the exhaust hole and the exhaust channel are sealed and separated by the exhaust sealing ring, the upper exhaust pipe leaves the exhaust sealing ring through upward displacement and generates the gap, and then the exhaust hole is communicated with the exhaust channel.

10. A cooking appliance as claimed in claim 9, wherein: the upper exhaust pipe comprises an upper part and a widened lower part, and a transition wall is formed between the upper part and the lower part; the exhaust sealing ring is fixed at the top end of the lower exhaust pipe and positioned between the transition wall and the top surface of the lower exhaust pipe, and the exhaust hole is arranged on the transition wall in a penetrating way; before the clearance is produced, the exhaust sealing ring blocks the exhaust hole.