CN103876615B - Pressure cooker and regulator thereof - Google Patents

Abstract

The invention discloses a pressure cooker and its pressure regulating device. The pressure cooker includes a pot body, a pot cover and a mounting seat. The pressure regulating device is arranged on the pot cover and includes: an exhaust valve, the exhaust valve The valve has a valve body and a valve core. The valve body is connected to the valve core. The spool is movably arranged on the spool in the axial direction; the operation key is movably arranged on the pot cover and passes through the installation seat, and the operation key is driven when touched. The magnet part moves downward; the self-locking part is arranged on the pot cover to lock the operation key after the operation key is touched. According to the pressure regulating device used in the pressure cooker of the present invention, the pressure in the pot body can be adjusted, and the cooking needs of various foods can be met, and the reliability is strong, the structure is simple and the cost is low.

Description

Pressure cooker and its pressure regulating device

technical field

The invention relates to the field of household electrical appliances, in particular to a pressure regulating device for a pressure cooker and a pressure cooker with the pressure cooker.

Background technique

Electric pressure cookers are loved by consumers because of their automated cooking. But what most electric pressure cooker adopts at present is the gravity pressure limiting valve of single pressure limiting value, can't adjust with the needs of food, can only realize single pressure control, can't satisfy the various needs of consumers.

Existing pressure cookers also realize pressure regulation by pushing a pressure limiting valve through a solenoid valve, but this technology can only be used in intelligently controlled high-end electric pressure cooker products, and the product cost is high.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a pressure regulating device for a pressure cooker with a simple structure and low cost.

Another object of the present invention is to provide a pressure cooker with the above-mentioned pressure regulating device.

According to the pressure regulating device for a pressure cooker in the embodiment of the first aspect of the present invention, the pressure cooker includes a pot body, a pot cover and a mounting seat, the pressure regulating device is arranged on the pot cover and includes: an exhaust valve, the The exhaust valve has a valve body and a valve core, the valve body is connected on the valve core, the two ends of the valve core pass through the pot cover and the mounting seat respectively, and the valve body has a steel part; a magnet part, the magnet The component is movably arranged on the valve core along the axial direction of the valve core; the operation key is movably arranged on the pot cover and passes through the mounting seat, and the operation key is activated When driving the magnet part to move away from the steel part; self-locking part, the self-locking part is arranged on the pot cover to lock the operation key after the operation key is touched.

According to the pressure regulating device for pressure cooker of the present invention, when the pressure in the pot body of the pressure cooker needs to be adjusted, the operation key is touched, and the operation key drives the magnet to move away from the iron and steel. At this time, the magnetic attraction between the magnet and the iron and steel works It is very small, so the sealing of the valve body on the mounting seat is realized by its own gravity, so that when the pressure in the pot body reaches a lower pressure value, the valve body rises and starts to exhaust, thus realizing the pressure reduction in the pot body. The adjustment can meet the cooking needs of various foods. In addition, by providing the self-locking part, the pressure regulating device has high reliability, simple structure and low cost.

In addition, the pressure regulating device according to the present invention also has the following additional technical features:

The pressure regulating device for a pressure cooker further includes: a circlip sleeved on the valve core and located between the magnet piece and the valve body.

The operation key includes: a cylinder extending in the axial direction of the valve core; and a side lever arranged on the side wall of the cylinder and extending outward to the snap ring above.

The magnet part includes: a main body, the main body is movably sleeved on the outside of the valve core; and at least one support ear, the at least one support ear is provided on at least one side of the main body, wherein the clamp A spring is supported on the at least one support ear.

Optionally, the magnet member has two supporting ears, which are respectively arranged opposite to each other on the main body.

The operation key further includes: a hook, the hook is arranged on the side wall of the main body and is spaced from the side bar;

The self-locking part includes: a lower section, the lower end of which is connected to the pot cover and arranged vertically; an upper section, which is connected to the lower section through a connecting section extending obliquely, and A through hole is formed on the upper part, wherein the float seat provided on the pot cover passes through the through hole, and the hook is fastened to the free end of the upper part after the operation key is touched superior.

In one embodiment of the present invention, the exhaust valve is a gravity ball pressure limiting valve, wherein the valve body includes: a valve cap, the bottom of which is open; a valve seat, which is arranged on the the bottom of the bonnet and defines an inner cavity with the inside of the bonnet; and a steel ball, the steel ball is arranged in the inner cavity and constitutes the steel part, wherein the valve core is arranged at the bottom of the steel ball and The lower end protrudes from the valve seat.

One of the valve cap and the valve seat is provided with a tab, and the other is provided with a bayonet fitting with the tab.

In another embodiment of the present invention, the exhaust valve is a gravity pressure limiting valve.

A pressure cooker according to the embodiment of the second aspect of the present invention, comprising: a pot body; a pot cover, the pot cover is arranged on the top of the pot body; a mounting seat, the mounting seat is covered on the pot cover; according to The pressure regulating device for a pressure cooker described in the embodiment of the first aspect of the present invention.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is according to an embodiment of the present invention, is used for the pressure regulating device of pressure cooker and the explosion schematic diagram of pot cover and mount;

Fig. 2 is a schematic diagram of the valve body of the exhaust valve in the pressure regulating device shown in Fig. 1;

Fig. 3 is a schematic diagram of the operation keys in the pressure regulating device shown in Fig. 1;

Fig. 4 is an explosion schematic diagram of a pressure regulating device for a pressure cooker, a pot cover and a mounting seat according to another embodiment of the present invention;

Fig. 5 is a sectional view of the button position of the pressure regulating device shown in Fig. 1, and at this moment, the pot body is in a high-pressure state;

Fig. 6 is a sectional view of the button position of the pressure regulating device shown in Fig. 1, and at this moment, the pot body is in a low pressure state;

Fig. 7 is a cross-sectional view of the pressure regulating device shown in Fig. 1 when it was in the initial position, and it was a high-pressure state in the pot body at this moment;

Fig. 8 is a sectional view along A-A in Fig. 7; and

Fig. 9 is a cross-sectional view of the pressure regulating device shown in Fig. 1 when it is in the pressure regulating position, and the pot body is in a low pressure state at this moment.

Reference signs:

100. Pressure regulating device; 1. Exhaust valve; 11. Valve body; 111. Valve cap; 112. Valve seat; 113. Steel ball;

11a, tongue; 11b, bayonet; 12, spool;

2. Magnet parts; 21. Main body; 22. Support ears;

3. Operation key; 31. Cylinder; 32. Side lever; 33. Hook;

4. Resetting part; 41, lower part; 41, upper part; 41A, free end;

43. Connecting part; 44. Through hole; 5. Circlip;

200, pot cover; 210, float seat; 300, installation seat; 310, valve hole; 320, operation hole

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

The pressure regulating device 100 for the pressure cooker according to the embodiment of the first aspect of the present invention is described below with reference to Fig. 1-Fig. (not shown) to adjust the pressure inside. Those skilled in the art can understand that the installation seat 300 can be integrally formed with the surface cover (not shown) of the pressure cooker.

The pressure regulating device 100 for a pressure cooker according to an embodiment of the present invention includes: an exhaust valve 1 , a magnet part 2 , an operation key 3 and a self-locking part 4 .

The exhaust valve 1 has a valve body 11 and a valve core 12, the valve body 11 is connected on the valve core 12, and the two ends of the valve core 12 pass through the pot cover 200 and the mounting seat 300 respectively, that is to say, the valve body 11 passes through the valve core 12 The hole 310 is located above the installation seat 300 , and the valve body 11 has steel parts.

In some examples of the present invention, the exhaust valve 1 is a gravity ball pressure limiting valve, wherein the valve body 11 includes: a valve cap 111, a valve seat 112 and a steel ball 113, as shown in Figure 1, the bottom of the valve cap 111 is open, The valve seat 112 is arranged on the bottom of the valve cap 111 and defines an inner cavity with the inside of the valve cap 111. The steel ball 113 is arranged in the inner cavity and constitutes a steel part, wherein the valve core 12 is arranged on the bottom of the steel ball 113 and the lower end extends out of the valve. Seat 112. Optionally, one of the valve cap 111 and the valve seat 112 is provided with a tongue 11a, and the other is provided with a bayonet 11b that cooperates with the tongue 11a, for example, as shown in Figures 1 and 2, the tongue 11 a is provided on the valve cap 111 and a bayonet 11 b is formed on the valve seat 112 . In some other examples of the present invention, the exhaust valve 1 is a gravity pressure limiting valve, as shown in FIG. 4 . In the following descriptions of this application, the exhaust valve 1 is used as an example of a gravity ball pressure limiting valve, and when the exhaust valve 1 is a gravity pressure limiting valve, the structural principle and working process of the pressure regulating device 100 are related to the exhaust gas When the valve 1 is a gravity ball pressure limiting valve, the structural principle and working process of the pressure regulating device 100 are consistent. Therefore, the structure and working process of the pressure regulating device when the exhaust valve 1 is a gravity pressure limiting valve as shown in Figure 4 will not be described in detail, and those skilled in the art can fully understand it according to the description of this application specification.

The magnet part 2 is movably arranged on the valve core 12 along the axial direction of the valve core 12 , and magnetically cooperates with the steel part, that is, the steel ball 113 . The operation key 3 is movably arranged on the pot cover 200 and passes through the mounting base 300 , for example, as shown in FIG. Those skilled in the art can understand that the operation key 3 can also pass through the cover (not shown in the figure) of the pressure cooker, and the cover can be integrated with the mounting base 300 . The following description takes the operation key moving up and down as an example when it is touched. However, those skilled in the art can also understand that the operation key can also be operated in a horizontal direction.

The self-locking part 4 is arranged on the pot cover 200 to lock the operation key 3 after the operation key 3 is touched.

When the pressure in the pot body (not shown) of the pressure cooker needs to be adjusted, the operation key 3 is touched, and the operation key 3 drives the magnet part 2 to move downward. At this time, the magnetic attraction force between the magnet part 2 and the steel part is very small Therefore, the sealing of the valve body 11 on the mounting seat 300 is realized by its own gravity, so that when the pressure in the pot body reaches a lower pressure value, the valve body 11 rises and starts to exhaust, so that the pressure in the pot body remains at A predetermined lower value, the pressure value is lower than the pre-control pressure of the pressure switch in the pot, that is, the adjustment of the pressure in the pot is completed. When the operation key 3 is touched in place, the self-locking part 4 locks the operation key 3 .

According to the pressure regulating device 100 for the pressure cooker of the embodiment of the present invention, the pressure in the pot body can be adjusted to meet the cooking needs of various foods. In addition, by providing the self-locking part, the pressure regulating device has high reliability, simple structure and low cost.

According to an embodiment of the present invention, as shown in FIG. 1 , the pressure regulating device 100 further includes a snap ring 5 sleeved on the valve core 12 and located between the magnet member 2 and the valve body 11 . Specifically, as shown in FIGS. 1 and 3 , the operation key 3 includes a cylinder 31 and a side rod 32 , the cylinder 31 extends in the axial direction of the valve core 12 , and the side rod 32 is arranged on the side wall of the cylinder 31 and extends toward the Outwardly extending to jumper 5 tops. Thus, pressing the operation key 3 downward makes the side bar 32 press the clip spring 5 downward, thereby driving the magnet part 2 downward.

In a specific example of the present invention, the magnet member 2 includes: a main body 21 and at least one supporting ear 22, the main body 21 is movably sleeved outside the valve core 12, and at least one supporting ear 22 is provided on at least one side of the main body 21 , wherein the clip spring 5 is supported on at least one support ear 22 . Thus, the magnet part 2 is driven downward by pressing the operation key 3 downward, thereby reducing the magnetic attraction force between the magnet part 2 and the steel part. At this time, the sealing of the valve body 11 on the mounting seat 300 depends on its Self-gravity realizes, and then makes when the pressure in the pot body reaches a lower pressure value, valve body 11 rises and starts exhausting, makes the pressure in the pot body keep at a predetermined lower value, and this pressure value is lower than the pressure in the pot body The pre-control pressure of the switch has completed the regulation of the pressure in the pot. Preferably, two supporting ears 22 of the magnet part 2 are provided oppositely on the main body 21 , so that the structure of the magnet part 2 is simple and the cooperation with the retaining spring 5 is more reliable.

As shown in FIG. 1 , in a further embodiment of the present invention, the operation key 3 further includes a hook 33 disposed on the side wall of the main body 21 and spaced from the side bar 32 .

Correspondingly, the self-locking part 4 includes: a lower section 41 and an upper section 42 , as shown in FIG. 1 , the lower end of the lower section 41 is connected to the pot cover 200 and arranged vertically. The upper section 42 is connected to the lower section 41 through an obliquely extending connecting section 43, and a through hole 43 is formed on the upper section 42, wherein the float seat 210 provided on the pot cover 200 passes through the through hole 44, and the operation key 3 is After actuation, the hook 33 is fastened to the free end 41A of the upper portion 42 . For example, the hook 33 is formed as a hook with the bayonet face facing upwards, and the bayonet face is in contact with the lower end face of the free end 41A of the upper section 42 . In this way, when the user presses the operating key 3 to the right position, the hook 33 is fastened to the free end 41A of the upper section 42, so that the operating key 3 remains in place, thereby ensuring that the exhaust valve can continue to exhaust air.

The pressure regulating process of the pressure regulating device 100 for a pressure cooker according to the embodiment of the present invention will be described below with reference to FIGS.

The initial pressure regulation state of the pressure regulating device 100 is the high pressure mode in the pressure cooker. As shown in Fig. 5 and Fig. 7 and Fig. 8, the operation key 3 is located at its initial highest position, and the magnet part 2 is also located at its highest position under the action of the spring 7, and is closest to the steel ball 113. At this time, the steel ball 113 and the magnet The magnetic attraction between the parts 2 and the gravity of the steel ball 113 jointly seal the pot body, so that the pressure in the pot body is exhausted only when it reaches a higher pressure.

When it is necessary to adjust the high pressure to a low pressure, the user presses the operation key 3, and the side bar 32 of the operation key 3 presses the clip spring 5 downward, thereby driving the magnet part 2 downward, as shown in Fig. 6 and Fig. 9 , thereby The magnetic attraction between the magnet part 2 and the steel part is reduced. At this time, the sealing of the valve body 11 on the mounting seat 300 is realized by its own gravity, so that when the pressure in the pot body reaches a lower pressure value, The valve body 11 rises and begins to exhaust, so that the pressure in the pot remains at a predetermined lower value, which is lower than the pre-control pressure of the pressure switch in the pot, that is, the regulation of the pressure in the pot is completed.

When the operation key 3 is pressed in place, the hook 33 on the operation key 3 is fastened to the free end 41A of the section 42 of the upper self-locking part 4, so that the operation key 3 locks the position, thereby ensuring that the exhaust valve 1 can continue to operate. exhaust.

And after cooking finishes, the user opens pot lid, reset member 4 resets under the effect of torsion spring 45, can make the catch 33 on the operation key 3 break away from the free end 41A of the section portion 42 of upper self-locking member 4 like this, Thereby operation key 3 is reset, and magnet part 2 also resets thereupon, and the magnetic attraction effect between steel ball 113 and magnet part 2 and the gravity of steel ball 113 are sealed in pot body together like this, and then guaranteed when cooking next time pot body seal.

A pressure cooker according to an embodiment of the second aspect of the present invention includes: a pot body (not shown in the figure) for cooking food, a pot cover 200, a mounting seat 300 and a pressure regulating device 100, wherein the pressure regulating device 100 is The pressure regulating device 100 for a pressure cooker according to the embodiment of the first aspect of the present invention.

As shown in FIGS. 1 , 3-5 , the pot cover 200 is arranged on the top of the pot body, and the mounting base 300 covers the pot cover 200 . Other configurations and operations of the pressure cooker according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (11)

1. A pressure regulating device for a pressure cooker, said pressure cooker comprising a pot body, a pot cover and a mounting seat, characterized in that said pressure regulating device is located between said pot cover and said mounting seat, and comprises : An exhaust valve, the exhaust valve has a valve body and a valve core, the valve body is connected to the valve core, the two ends of the valve core pass through the pot cover and the mounting seat respectively, and the valve body has a steel piece; a magnet piece, the magnet piece is movably arranged on the valve core along the axial direction of the valve core and magnetically cooperates with the steel piece; An operation key, the operation key is movably arranged on the pot cover and passes through the installation seat, when the operation key is touched, the magnet part is driven to move away from the steel part; A self-locking part, the self-locking part is arranged on the pot cover to lock the operation key after the operation key is touched. 2. The pressure regulating device for pressure cooker according to claim 1, further comprising: A circlip, the circlip is sleeved on the valve core and located between the magnet piece and the valve body. 3. The pressure regulating device for pressure cooker according to claim 2, characterized in that, the operation keys comprise: a cylinder extending axially of the spool; and A side bar, the side bar is arranged on the side wall of the cylinder and extends outward to above the clamp spring. 4. The pressure regulating device for pressure cooker according to claim 3, characterized in that, the magnet member comprises: a main body movably sleeved on the valve core; and At least one supporting ear, the at least one supporting ear is provided on at least one side of the main body, wherein the clip spring is supported on the at least one supporting ear. 5 . The pressure regulating device for a pressure cooker according to claim 4 , characterized in that, the supporting ears of the magnet member comprise two, which are respectively arranged opposite to each other on the main body. 6 . 6. The pressure regulating device for a pressure cooker according to claim 3, wherein the operation key further comprises: a hook, the hook is arranged on the side wall of the main body and is spaced from the side bar ; The self-locking parts include: a lower section, the lower end of which is connected to the pot cover and arranged vertically; an upper section, the upper section is connected to the lower section through an obliquely extending connecting section, and a through hole is formed on the upper section, wherein the float seat provided on the pot cover passes through the through hole, And after the operation key is touched, the hook is fastened to the free end of the upper section. 7. The pressure regulating device for pressure cooker according to claim 1, further comprising: A spring, the two ends of the spring stop against the magnet piece and the pot cover respectively. 8. The pressure regulating device for pressure cooker according to any one of claims 1-7, characterized in that, the exhaust valve is a gravity ball pressure limiting valve, wherein the valve body comprises: a bonnet open at the bottom; a valve seat positioned at the bottom of the bonnet and defining a cavity therewithin the bonnet; and A steel ball, the steel ball is arranged in the inner cavity and constitutes the steel part, wherein the valve core is arranged at the bottom of the steel ball and the lower end protrudes from the valve seat. 9. The pressure regulating device for a pressure cooker according to claim 8, characterized in that, one of the valve cap and the valve seat is provided with a tab, and the other is provided with a tab that cooperates with the tab. Bayonet. 10. The pressure regulating device for a pressure cooker according to any one of claims 1-7, characterized in that the exhaust valve is a gravity pressure limiting valve. 11. A pressure cooker, characterized in that it comprises: Pot body; a pot cover, the pot cover is arranged on the top of the pot body; a mounting seat, the mounting seat is covered on the pot cover; The pressure regulating device for a pressure cooker according to any one of claims 1-10.