CN108851937B

CN108851937B - Cooking utensil

Info

Publication number: CN108851937B
Application number: CN201810375135.4A
Authority: CN
Inventors: 丁金炬; 何国营; 王洪元; 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: 2020-09-08
Anticipated expiration: 2038-04-24
Also published as: CN108851937A

Abstract

A cooking utensil is provided with a pot cover and a pot body, wherein an exhaust assembly is arranged on the pot cover and comprises an upper exhaust pipe and a lower exhaust pipe, the upper exhaust pipe and the lower exhaust pipe are connected with each other to form an exhaust channel together, and the lower exhaust pipe drives the upper exhaust pipe to rotate when rotating. The last exhaust pipe of this application can be driven by lower exhaust pipe and rotate simple structure. The utility model provides an exhaust subassembly can utilize exhaust pipe down to drive the exhaust pipe and rotate, through the rotary motion of exhaust pipe on simple structure realization.

Description

Cooking utensil

Technical Field

The present invention relates to a cooking appliance, and more particularly, to a cooking appliance having an exhaust pipe.

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.

The electric pressure cooker has two working modes, one mode is that a pressure-limiting valve forms a pressure working environment, the other mode is that other exhaust holes which are not limited by the pressure-limiting valve are opened to form a non-pressure working environment, and the two modes are switched by a sectional exhaust assembly. The exhaust assembly comprises an upper exhaust pipe and a lower exhaust pipe which jointly form an exhaust channel, wherein the upper exhaust pipe is provided with an exhaust hole at the joint with the lower exhaust pipe; when the switching is needed, the handle on the pot cover is rotated, the handle drives a sliding block to push the upper exhaust pipe to move upwards, so that a gap is formed at the joint, the exhaust hole is communicated with the exhaust channel, and the exhaust is carried out outwards to form a non-pressure working environment. However, the mode of pushing the slider is not very reliable, and the structure of the handle driving the slider to move is also complex.

There is a need for improvements to the cooking appliance.

Disclosure of Invention

The application provides a cooking utensil, its upper exhaust pipe can be driven by lower exhaust pipe and rotate.

Specifically, the method is realized through the following technical scheme: a cooking utensil is provided with a pot cover and a pot body, wherein an exhaust assembly is arranged on the pot cover and comprises an upper exhaust pipe and a lower exhaust pipe, the upper exhaust pipe and the lower exhaust pipe are connected with each other to form an exhaust channel together, and the lower exhaust pipe drives the upper exhaust pipe to rotate when rotating. The last exhaust pipe of this application can be driven by lower exhaust pipe and rotate simple structure.

According to an embodiment of the application, this exhaust subassembly is equipped with the connecting rod, and this connecting rod is fixed on last exhaust pipe to this connecting rod with lower exhaust pipe is connected, drive this connecting rod when lower exhaust pipe rotates and rotate, and then drive go up the exhaust pipe and rotate. Through the connection of connecting rod, make down the trachea and can drive the upper exhaust pipe and rotate.

According to one embodiment of the application, the lower exhaust pipe is provided with a groove, and the tail end of the connecting rod is clamped in the groove so that the upper exhaust pipe rotates along with the lower exhaust pipe; the end of the connecting rod can also move in the groove along the up-down direction. The connection of the upper exhaust pipe and the lower exhaust pipe is realized by the connection of the groove and the tail end of the connecting rod, and the groove does not influence the up-and-down displacement of the upper exhaust pipe relative to the lower exhaust pipe.

According to one embodiment of the application, the connecting rod is fixed to the upper exhaust pipe by a threaded connection or by welding. The connecting rod is reliably fixed in a simple fixing mode.

According to an embodiment of the application, cooking utensil still is equipped with the protruding muscle that the top surface slope set up, go up the trachea and rotate the in-process, the connecting rod removes along the top surface of this protruding muscle, and then makes go up the displacement of trachea formation upper and lower direction. The displacement of the upper exhaust pipe in the vertical direction is realized by the connecting rod and the obliquely arranged convex rib, and the structure is simple.

According to an embodiment of the application, cooking utensil's 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 and covers at this lining, and lower exhaust pipe's bottom 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 structure that the stainless steel inner cover is driven to rotate by the original handle is used for driving the lower exhaust pipe to rotate, and the structure is simple.

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 one end of the connecting rod extends out of the upper exhaust pipe and is pressed against the top surface of the convex rib; the cooking utensil is provided with a plurality of connecting rods and a plurality of convex ribs. The connecting rods and the convex ribs are multiple, so that the upper exhaust pipe can move more stably.

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 upper exhaust pipe and the lower exhaust pipe are movably connected with each other through a nut and a spring.

According to an embodiment of the present application, the exhaust assembly is further provided with an exhaust hole communicated with the outside, the upper exhaust pipe generates vertical displacement relative to the lower exhaust pipe in the rotation process of the lower exhaust pipe, a gap is formed between the connection positions of the lower exhaust pipe and the upper exhaust pipe, and the gap is respectively communicated with the exhaust hole and the exhaust channel, so that the exhaust hole is communicated with the exhaust channel to exhaust the outside. This application is equipped with the exhaust hole, goes up the exhaust pipe and produces the displacement back along upper and lower direction when rotating, and this exhaust hole can be to outer exhaust, switches this cooking utensil to the non-pressure mode.

According to one embodiment of the application, a pressure limiting valve is arranged on the cooker cover, the pressure limiting valve is provided with an accommodating cavity and a valve core positioned in the accommodating cavity, the upper end of the upper exhaust pipe extends into the accommodating cavity of the pressure limiting valve, and an exhaust port at the upper end of the upper exhaust pipe is blocked by the valve core; the exhaust assembly also comprises an exhaust sealing ring positioned at the top of the upper exhaust pipe, the upper exhaust pipe comprises an upper part and a widened lower part, a transition wall is formed between the upper part and the lower part, the lower part covers the outer side of the top of the lower exhaust pipe, the exhaust sealing ring is 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; when the transition wall is pressed against the sealing ring, the exhaust hole is not communicated with the exhaust channel; when the upper exhaust pipe is displaced upward, the transition wall is separated from the seal ring and thus the above gap is created at the junction of the lower exhaust pipe and the upper exhaust pipe, so that the exhaust hole communicates with the exhaust passage. The pressure limiting valve and the sealing ring form a pressure working environment; and when the upper exhaust pipe moves upwards, the sealing state is released, and the mode is switched to the non-pressure mode.

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 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. 5 is similar to fig. 4, taken from a different angle.

Fig. 6 is a sectional view taken along line a-a in fig. 5.

Fig. 7 is a partially enlarged view of the circle in fig. 6.

Figure 8 is similar to figure 4 except that the exhaust assembly on the lid is in a second state.

FIG. 9 is similar to FIG. 7, 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 lower exhaust pipe 52, a top end 520, a flange 521, a matching portion 522, a groove 524, an exhaust sealing ring 53, a fixing nut 55, a spring 56, a connecting rod 57 and a tail end 570.

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. 4-7, the exhaust assembly 5 includes an upper exhaust pipe 51, a lower exhaust pipe 52, and an exhaust gasket 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. 7, 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, an exhaust port 501 at the upper end of the upper exhaust pipe is blocked by the valve core 42, 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. 7, 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. 4 to 7 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. 8 and 9, 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. 7, 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 and blocks 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 9, a plurality of connecting rods 57 are fixed to the side wall of the upper exhaust pipe 51, and one end of each connecting rod 57 is fixed to the side wall of the upper exhaust pipe 51, and the fixing manner may be threaded connection or welding, so that the connecting rods 57 are reliably fixed. The connecting rod 57 further extends inwardly through the sidewall of the upper exhaust pipe 51, and has a distal end 570 that engages the sidewall of the lower exhaust pipe 52 located within the upper exhaust pipe 51. The lower exhaust pipe 52 has a groove 524 formed in a sidewall thereof, and the end 570 of the connecting rod 57 protrudes into the groove 524, so that the lower exhaust pipe 52 can rotate together with the upper exhaust pipe 51 by means of the snap-fit interaction of the end 570 and the groove 524. And the groove 524 is formed to have a length in the up-down direction so that the distal end 570 of the connection rod 57 can also move in the up-down direction within the groove 524.

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, and referring to fig. 4 to 9, the lining cover 2 is provided with a through hole for the exhaust assembly 5 to pass through, and ribs 21 are provided around the through hole, and the ribs 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 connecting rod 57 extends outward and presses against the top surface 23 of the rib 21. In the rotation process of the upper exhaust pipe 51, the connecting 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 outwards through the exhaust hole 514. The ribs 21 and the connecting rods 57 are all provided in a plurality, 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 equipped with pot cover and pot body, be equipped with exhaust subassembly and pressure limiting valve on the pot cover, its characterized in that: the exhaust assembly comprises an upper exhaust pipe, a lower exhaust pipe and an exhaust sealing ring, wherein the upper end of the upper exhaust pipe is provided with an exhaust port blocked by the pressure limiting valve, the upper exhaust pipe and the lower exhaust pipe are connected in a sealing mode up and down to form an exhaust channel together, the lower exhaust pipe drives the upper exhaust pipe to rotate when rotating, the upper exhaust pipe leaves the exhaust sealing ring along with the vertical displacement of the lower exhaust pipe relative to the lower exhaust pipe in the rotating process of the lower exhaust pipe, and a gap communicated with the outside is formed between the lower exhaust pipe and the upper exhaust pipe.

2. A cooking appliance as claimed in claim 1, wherein: the exhaust assembly is provided with a connecting rod which is fixed on the upper exhaust pipe and is connected with the lower exhaust pipe, and the lower exhaust pipe drives the connecting rod to rotate when rotating, so as to drive the upper exhaust pipe to rotate.

3. A cooking appliance as claimed in claim 2, wherein: the lower exhaust pipe is provided with a groove, and the tail end of the connecting rod is clamped in the groove so that the upper exhaust pipe rotates along with the lower exhaust pipe; the end of the connecting rod can also move in the groove along the up-down direction.

4. A cooking appliance as claimed in claim 2, wherein: the connecting rod is fixed on the upper exhaust pipe through threaded connection or welding.

5. A cooking appliance as claimed in claim 2, wherein: the cooking utensil is further provided with a convex rib with the top surface obliquely arranged, and in the rotating process of the upper exhaust pipe, the connecting rod moves along the top surface of the convex rib, so that the upper exhaust pipe forms vertical displacement.

6. A cooking appliance as claimed in claim 5, wherein: the pot cover of the cooking utensil 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 is 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.

7. A cooking appliance as claimed in claim 6, wherein: 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 one end of the connecting rod extends out of the upper exhaust pipe and is pressed against the top surface of the convex rib; the cooking utensil is provided with a plurality of connecting rods and a plurality of convex ribs.

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 exhaust assembly is further provided with an exhaust hole communicated with the outside, and the gap is respectively communicated with the exhaust hole and the exhaust channel, so that the exhaust hole is communicated with the exhaust channel to exhaust the air outwards.

10. A cooking appliance as claimed in claim 9, wherein: the pressure limiting valve is provided with an accommodating cavity and a valve core positioned in the accommodating cavity, and the upper end of the upper exhaust pipe extends into the accommodating cavity of the pressure limiting valve and blocks the exhaust port by the valve core; the exhaust sealing ring is positioned at the top of the upper exhaust pipe, the upper exhaust pipe comprises an upper part and a widened lower part, a transition wall is formed between the upper part and the lower part, the lower part covers the outer side of the top of the lower exhaust pipe, the exhaust sealing ring is 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 manner; when the transition wall is pressed against the exhaust sealing ring, the exhaust hole is not communicated with the exhaust channel; when the upper exhaust pipe is displaced upwards, the transition wall is separated from the exhaust sealing ring, so that the gap is generated at the joint of the lower exhaust pipe and the upper exhaust pipe, and the exhaust hole is communicated with the exhaust channel.