CN217644996U

CN217644996U - Pressure-limiting valve controller for pressure cooker

Info

Publication number: CN217644996U
Application number: CN202220318467.0U
Authority: CN
Inventors: 薛明
Original assignee: Shenzhen Chenbei Technology Co Ltd
Current assignee: Shenzhen Chenbei Technology Co Ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-10-25
Anticipated expiration: 2032-02-16

Abstract

The embodiment of the utility model discloses a pressure cooker pressure limiting valve control device, which comprises a cooker body, a cover body, a pressure limiting valve, a reset component and a control component, wherein the control component comprises a rotating rod and a transmission part; the first end of dwang is equipped with spacing post, reset assembly includes the moving member, and butt structure and limit structure of setting on the moving member, close the in-process of lid on the pot body at the lid, the pot tooth of butt structure butt pot body drives the moving member and slides, limit structure can control spacing post removal simultaneously, in order to be in the primary importance with the dwang, with the release pressure limiting valve, therefore the pressure limiting valve can move down under the effect of gravity and reset, switch over to the closed condition from the exhaust state, through closing the lid action on the pot body, with reset assembly coordinated control, realize that the resetting of pressure limiting valve is closed, the control of pressure limiting valve has been simplified.

Description

Pressure-limiting valve controller for pressure cooker

Technical Field

The utility model relates to the technical field of household appliances, in particular to a pressure limiting valve control device of a pressure cooker.

Background

After the electric pressure cooker cooks food, if through natural cooling, then need longer latency, under the ordinary condition, can jack up the pressure limiting valve and carry out manual exhaust pressure release, after exhaust pressure release is accomplished, uncap in order to accelerate the cooling to the electric pressure cooker, when cooking the use to the electric pressure cooker once more, because the pressure limiting valve still is in the exhaust state, therefore need manual control to make the pressure limiting valve reset, if forget to control the pressure limiting valve and reset, then can influence the work of cooking of electric pressure cooker, user experience is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure cooker pressure limiting valve controlling means, when aiming at solving current electric pressure cooker and cooking the use, because the pressure limiting valve is still in the exhaust state, therefore need manual control to make the pressure limiting valve reset, if forget to control the pressure limiting valve and reset, then can influence the technical problem of the work of cooking of electric pressure cooker.

The utility model provides a pressure cooker pressure limiting valve controlling means, include: the pressure limiting valve, the reset assembly and the control assembly are movably arranged on the cover body, the control assembly comprises a rotating rod and a transmission piece, the rotating rod comprises a first end and a second end which are oppositely arranged, and a rotating end positioned between the first end and the second end, the rotating end is rotatably connected with the cover body, the first end is in transmission connection with the pressure limiting valve through the transmission piece, and when the rotating rod is at the first position or the second position, the first end controls the transmission piece to limit the pressure limiting valve to be in a closed state or an exhaust state;

the first end is provided with a limiting column, the reset assembly comprises a moving piece, and an abutting structure and a limiting structure which are arranged on the moving piece, and the moving piece is connected with the cover body in a sliding manner;

the lid is in close the in-process of lid on the pot body, butt structure butt the pot tooth of the pot body drives the moving member slides, simultaneously limit structure can control spacing post removes, in order to incite somebody to action the dwang is in the primary importance.

In one embodiment, the reset assembly further comprises an elastic member, the moving member further comprises a mounting post, the cover body is further provided with a mounting opening for inserting the mounting post, and the elastic member is sleeved on the mounting post and arranged between the moving member and the cover body;

the pressure limiting valve control device of the pressure cooker further comprises a fixing piece, a fixing hole is formed in the cover body, a sliding groove is formed in the moving piece, and the fixing piece penetrates through the sliding groove and is connected with the hole wall of the fixing hole.

In one embodiment, after the cover body is completely covered on the pot body, the abutting structure leaves the pot teeth of the pot body and drives the moving member to slide, and the limiting structure is far away from the limiting column.

In one embodiment, the limiting structure is in a hook shape, and the limiting column is in a column shape.

In one embodiment, the transmission member includes a movable end and a transmission end, the movable end and the cover are movably connected, and a first portion and a second portion of the transmission end are respectively abutted to the first end of the rotating rod and the pressure limiting valve.

In one embodiment, the first part of the transmission member has a locking surface and an inclined surface, and the rotating rod can drive the first end of the rotating rod to slide to the locking surface from the inclined surface in the process of rotating from the first position to the second position, so that the second part jacks up the pressure limiting valve.

In one embodiment, the movable end is provided with an arc groove, the cover body is provided with a supporting head, and the arc groove is movably connected to the supporting head.

In one of them embodiment, the control assembly is still including locating the control button of the lateral wall of lid and locating the control panel of the inside wall of lid, the lid is equipped with the intercommunication the lid lateral wall with the through channel of lid inside wall, the control button pass through the through channel with the control panel is connected, the control panel with the dwang the second end swing joint.

In one embodiment, the outer side wall of the cover body is provided with a groove, the control button is arranged in the groove, and the control button slides or rotates in the groove.

In one embodiment, the control plate is provided with a traction column, the second end of the rotating rod is provided with a traction groove, and the traction column is arranged in the traction groove and is in sliding connection with the groove wall of the traction groove.

Adopt the embodiment of the utility model provides a, following beneficial effect has:

adopt the utility model discloses a pressure cooker pressure limiting valve controlling means, close the in-process of lid on the pot body at the lid, the pot tooth of the butt structure butt pot body drives the moving member and slides, limit structure can control spacing post and remove simultaneously, in order to be in the first position with the dwang, with the release pressure limiting valve, therefore the pressure limiting valve can move downwards under the effect of gravity and reset, switch over to the off-state from exhaust state, act on the pot body through closing the lid, with reset block coordinated control, realize that the reseing of pressure limiting valve closes, the control of pressure limiting valve has been simplified, reduce user manual operation, user experience is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

FIG. 1 is a schematic view of a control device for a pressure-limiting valve of a pressure cooker in one embodiment.

Fig. 2 is another angle view schematically showing the control means for the pressure-limiting valve of the pressure cooker shown in fig. 1.

FIG. 3 is an enlarged view of the part A of the pressure-limiting valve control device of the pressure cooker shown in FIG. 1.

Fig. 4 is an enlarged schematic view of the part B of the pressure-limiting valve control device of the pressure cooker shown in fig. 1.

Fig. 5 is a schematic view showing a rotary rod in the valve control device for pressure limitation of the pressure cooker shown in fig. 1.

Fig. 6 is a schematic view showing the installation of the control knob, the control panel and the locking member in the valve control apparatus for pressure cooker shown in fig. 1.

Fig. 7 is a schematic view of a transmission member in the pressure-limiting valve control device of the pressure cooker shown in fig. 1.

Fig. 8 is another angle schematic view of the transmission member in the valve control device for pressure cooker shown in fig. 1.

Fig. 9 is a schematic view of a pressure-limiting valve control means of a pressure cooker in another embodiment.

Fig. 10 is another angle view schematically showing the control means for the pressure-limiting valve of the pressure cooker shown in fig. 9.

FIG. 11 is a schematic view of a pot body with pot teeth in a pressure-limiting valve control device of a pressure cooker according to an embodiment.

Reference numbers: 100. a cover body; 110. an installation port; 120. a fixing hole; 130. mounting grooves; 140. a groove; 310. a moving member; 311. a limiting structure; 312. an abutting structure; 313. mounting a column; 314. a sliding groove; 410. rotating the rod; 411. a first end; 412. a second end; 4121. a traction groove; 413. a rotating end; 4131. a circular hole; 414. a limiting column; 420. a transmission member; 421. a movable end; 4211. an arc groove; 4212. connecting holes; 4213. a lateral ear; 422. a transmission end; 4221. a first portion; 4222. a second portion; 4223. a locking surface; 4224. an inclined surface; 430. a mounting member; 440. a control button; 450. a control panel; 451. a traction column; 460. a locking member; 470. a connecting member; 480. an elastic pad; 490. a support; 500. a pan body; 510. and (4) cooking teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components in a specific posture (as shown in the attached drawings), the movement, etc., and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature described. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The embodiment of the utility model provides a pressure cooker, this pressure cooker is the pan in kitchen. The pressure cooker applies pressure to water by the physical phenomenon that the boiling point of liquid can be increased under higher air pressure, so that the water can reach higher temperature without boiling, and the efficiency of stewing food is accelerated. The pressure cooker pressure limiting valve control device is one of important components of the pressure cooker, the pressure cooker pressure limiting valve control device can be switched between a closed state and an exhaust state, the pressure limiting valve in the exhaust state can exhaust and release pressure, and after the exhaust and release pressure is completed, the pressure cooker is opened to accelerate the cooling of food.

Referring to fig. 1, 2 and 11, an embodiment of a pressure limiting valve control device for a pressure cooker includes a cooker body 500, a cover body 100, a pressure limiting valve (not shown), a reset component and a control component, where the pressure limiting valve, the reset component and the control component are movably disposed on the cover body 100, the control component includes a rotation rod 410 and a transmission component 420, the rotation rod 410 includes a first end 411 and a second end 412 disposed opposite to each other, and a rotation end 413 located between the first end 411 and the second end 412, the rotation end 413 is rotatably connected to the cover body 100, the first end 411 is rotatably connected to the pressure limiting valve through the transmission component 420, when the rotation rod 410 is at the first position or the second position, the first end 411 controls the transmission component 420 to limit the pressure limiting valve to be in a closed state or an exhaust state, and when the pressure limiting valve is in the exhaust state, the pressure relief of the pressure cooker can be realized.

Referring to fig. 3 and fig. 5, in the present embodiment, the first end 411 is provided with a limiting post 414, the repositioning component includes a moving member 310, and an abutting structure 312 and a limiting structure 311 disposed on the moving member 310, the moving member 310 is slidably connected to the cover 100; in the process that the cover body 100 closes the cover on the pot body 500, the abutting structure 312 abuts against the pot teeth 510 of the pot body 500 and drives the moving member 310 to slide, meanwhile, the limiting structure 311 can control the limiting column 414 to move so as to enable the rotating rod 410 to be located at the first position to release the pressure limiting valve, therefore, the pressure limiting valve can move downwards under the action of gravity to reset, the exhaust state is switched to the closed state, the reset closing of the pressure limiting valve is realized by covering the cover body 100 on the pot body 500 to act and the reset assembly is in linkage control, the control of the pressure limiting valve is simplified, and the user experience is better.

After the cover body 100 is completely covered on the pot body 500, the abutting structure 312 leaves the pot teeth 510 of the pot body 500 and drives the moving member 310 to slide, and the limiting structure 311 leaves the limiting column 414 to release the limitation on the rotating rod 410.

In this embodiment, the pressure limiting valve is slidably connected to the cover 100, the pressure limiting valve is driven to move upward to switch from the closed state to the exhaust state, and in the free state, the pressure limiting valve moves downward under the action of gravity to switch from the exhaust state to the closed state.

With reference to fig. 2 and 5, in the present embodiment, the rotating end 413 of the rotating rod 410 is provided with a circular hole 4131, the cover 100 is provided with a connecting pillar, the pressure-limiting valve control apparatus of the pressure cooker further includes a mounting member 430, and the mounting member 430 penetrates through the circular hole 4131 of the rotating end 413 and is fixedly connected to the connecting pillar, so that the rotating end 413 is rotatably connected to the connecting pillar. The rotating rod 410 optionally extends along an arcuate trajectory. The cover body 100 is further provided with an installation groove 130, and the pressure limiting valve is arranged in the installation groove 130.

In an embodiment, with continued reference to fig. 2 and fig. 3, the restoring assembly further includes an elastic member, the elastic member elastically connects the moving member 310 and the cover body 100, after the cover body 100 is completely covered on the pot body 500, the elastic member can push the moving member 310 to slide, and the limiting structure 311 moves away from the limiting post 414 to release the rotating rod 410. The elastic member provides the driving force for the reset movement of the moving member 310, so that the action control influence of the reset assembly on the pressure limiting valve and the control assembly can be reduced.

It can be understood that, at the in-process that lid 100 closed on pot body 500, butt structure 312 butt pot body 500's pot tooth 510 and drive moving member 310 and slide, limit structure 311 can control spacing post 414 and remove simultaneously, so as to be in the primary importance with dwang 410, at this moment, elastic component elastic deformation, after lid 100 closed the lid completely on pot body 500, elastic component elastic reset drive moving member 310 slides, butt structure 312 leaves pot body 500's pot tooth 510 and drives moving member 310 and slide, limit structure 311 keeps away from spacing post 414 and removes, in order to release dwang 410.

Furthermore, the moving member 310 further has an installation post 313, the cover 100 is further provided with an installation opening 110 for inserting the installation post 313, and the elastic member is sleeved on the installation post 313 and is arranged between the moving member 310 and the cover 100 to realize installation of the elastic member. In particular, the resilient member is a spring.

Preferably, limiting structure 311 is hook-shaped, and spacing post 414 is the column, and hook-shaped limiting structure 311 does benefit to the spacing cooperation with spacing post 414, and butt structure 312 is the column to make butt structure 312 stand out the main part setting of moving part 310, more do benefit to butt structure 312 and pot tooth 510's butt cooperation.

Specifically, the pressure-limiting valve control device of the pressure cooker further comprises a fixing member, the cover body 100 is provided with a fixing hole 120, the moving member 310 is provided with a sliding groove 314, and the fixing member penetrates through the sliding groove 314 and is connected with the hole wall of the fixing hole 120 to realize the sliding connection of the moving member 310 on the cover body 100.

This mounting can be float or stop opening the valve rod, and this mounting not only can be used to install moving member 310, still can be used to prevent under the high pressure state uncapping, therefore can reduce extra accessories, improves original float safety structure, saves the cost.

In an embodiment, referring to fig. 6, the control assembly further includes a control button 440 and a control panel 450, the control panel 450 is disposed on the inner sidewall of the cover body 100, the control button 440 is disposed on the outer sidewall of the cover body 100, the cover body 100 is provided with a through channel for communicating the outer sidewall of the cover body 100 and the inner sidewall of the cover body 100, the control button 440 is connected to the control panel 450 through the through channel, the control panel 450 is movably connected to the second end 412 of the rotation rod 410, so that the control panel 450 can move to drive the rotation rod 410 to rotate from the first position to the second position. The connection between the control knob 440 and the control panel 450 is realized by the arrangement of the through channel, so that the user can control the control panel 450 located inside the pressure cooker to act through the control knob 440 outside the pressure cooker, and further realize the related control command through the movement of the control panel 450.

Specifically, the control panel 450 is square, the pressure-limiting valve control device of the pressure cooker further comprises a locking member 460, the locking member 460 penetrates through the control panel 450 and is connected with the control button 440 so as to realize the connection and fixation of the control button 440 and the control panel 450,

further, referring to fig. 1 and 9, a groove 140 is formed on an outer side wall of the cover body 100, the control button 440 is disposed in the groove 140, and the control button 440 slides or rotates in the groove 140.

By sliding the control knob 440 in the groove 140, the control plate 450 can be driven to rotate the rotation lever 410 between the first position and the second position and switch the pressure limiting valve between the closed state and the exhaust state. Wherein the control knob 440 can slide in a straight line or in an arc in the groove 140.

By rotating the control knob 440 in the groove 140, the control plate 450 can be driven to rotate the rotation lever 410 between the first position and the second position and switch the pressure limiting valve between the closed state and the exhaust state. For example, the control button 440 can rotate 90 degrees clockwise to drive the control board 450 to rotate the rotation rod 410 from the first position to the second position, and the control button 440 can also rotate 90 degrees counterclockwise to drive the control board 450 to rotate the rotation rod 410 from the second position to the first position.

Specifically, recess 140's diapire is linked together with the through channel, and control button 440's lateral surface equipartition has protruding granule, and control button 440's the outside still is equipped with strip arch, and this strip arch does benefit to user's promotion and controls, and when recess 140 was the arc wall, control button 440's lateral wall had the inside wall matched with arcwall face with recess 140.

Preferably, the control plate 450 is provided with a pulling column 451, the second end 412 of the rotating rod 410 is provided with a pulling groove 4121, and the pulling column 451 is arranged in the pulling groove 4121 and slidably connected with the groove wall of the pulling groove 4121. During the movement of the control plate 450, the pulling column 451 can slide in the pulling groove 4121 and push the groove wall of the pulling groove 4121, so that the second end 412 of the rotating rod 410 moves and the rotating rod 410 rotates from the first position to the second position.

It is understood that the traction groove 4121 can be a through groove or a groove, and when the traction groove 4121 is a through groove, the traction column 451 is sleeved in the traction groove 4121, as shown in fig. 2, the traction groove 4121 extends from the middle of the second end 412 of the rotating rod 410 to the outer portion of the second end 412, as shown in fig. 10, and the traction groove 4121 extends from the middle of the second end 412 of the rotating rod 410 to the edge of the second end 412.

The extending track of the pulling groove 4121 needs to be matched with the moving track of the pulling column 451, so that the control board 450 can move to drive the rotating rod 410 to rotate from the first position to the second position, wherein the extending track of the pulling groove 4121 is disposed at an angle with the moving track of the control board 450.

Of course, in other embodiments, the pulling column 451 can be disposed at the second end 412 of the rotating rod 410, the pulling groove 4121 can be disposed on the control plate 450, and the movable connection between the control plate 450 and the second end 412 of the rotating rod 410 can be adjusted according to the application requirements.

In an embodiment, referring to fig. 4, fig. 7 and fig. 8 together, the transmission member 420 includes a movable end 421 and a transmission end 422, the movable end 421 is movably connected to the cover 100, and a first portion 4221 and a second portion 4222 of the transmission end 422 respectively abut against the first end 411 of the rotating rod 410 and the pressure limiting valve, so that the first end 411 of the rotating rod 410 can drive the first portion 4221 of the transmission end 422 to move, and the second portion 4222 of the transmission end 422 drives the pressure limiting valve to enter the air exhausting state from the closed state.

In this embodiment, the transmission connection between the first end 411 of the rotating rod 410 and the transmission member 420 can be implemented through various specific embodiments, so as to implement the exhaust control of the pressure limiting valve.

In an embodiment, with continued reference to fig. 2, 4, 7 and 8, the first portion 4221 of the transmission member 420 has a locking surface 4223 and an inclined surface 4224, and during the rotation of the rotation rod 410 from the first position to the second position, the first end 411 of the rotation rod 410 can be driven to slide from the inclined surface 4224 to the locking surface 4223, so that the second portion 4222 jacks up the pressure limiting valve, so that the pressure limiting valve enters the exhaust state from the closed state. Specifically, the inclined surface 4224 is inclined with respect to a horizontal position.

The horizontal displacement of the first end 411 of the rotating rod 410 is changed into the vertical displacement of the driving end 422 of the driving member 420 by the arrangement of the inclined surface 4224, and the pressure limiting valve is pushed to move upwards to release pressure by the second portion 4222 of the driving member 420.

Further, the movable end 421 is provided with an arc groove 4211, the cover body 100 is provided with a support head, and the arc groove 4211 is movably connected to the support head. The pressure limiting valve control device of the pressure cooker further comprises a connecting piece 470, the movable end 421 is further provided with a connecting hole 4212, the connecting hole 4212 is communicated with the arc groove 4211, the connecting piece 470 penetrates through the connecting hole 4212 and is connected with the supporting head, and the movable end 421 is rotatably connected with the supporting head through the arrangement. Specifically, the movable end 421 further has two oppositely disposed side ears 4213, a support 490 for mounting the two side ears 4213 is further disposed on the cover body 100, and the two side ears 4213 are rotatably connected with the support 490.

Preferably, the pressure-limiting valve control device of the pressure cooker further comprises an elastic pad 480, and the elastic pad 480 is arranged between the pressure-limiting valve and the transmission piece 420. Specifically, the second portion 4222 of the transmission member 420 extends into the elastic channel of the elastic pad 480, the second portion 4222 of the transmission member 420 is elastically matched with the elastic pad 480, when the second portion 4222 of the transmission member 420 pushes the pressure limiting valve to move upwards through the elastic pad 480, the elastic pad 480 is elastically deformed, when the second portion 4222 of the transmission member 420 is in a free state, the pressure limiting valve moves downwards under the action of gravity to reset, the elastic pad 480 elastically resets, and the second portion 4222 of the transmission member 420 is driven to reset.

Specifically, the elastic pad 480 is a silica gel sealing pad for sealing the pressure limiting valve. In addition, when the cover 100 is placed upside down on the desktop, i.e. the control button 440 of the cover 100 is facing downward, and the control panel 450 and the transmission member 420 are facing upward, the elastic pad 480 is disposed to prevent the transmission end 422 of the transmission member 420 from rotating in a direction approaching the cover 100 under the action of gravity.

In another embodiment, the first end 411 of the rotating rod 410 has a locking surface 4223 and an inclined surface 4224, and during the rotation of the rotating rod 410 from the first position to the second position, the first portion 4221 of the transmission member 420 can slide from the inclined surface 4224 to the locking surface 4223, so that the first end 411 can drive the second portion 4222 of the transmission member 420 to jack up the pressure limiting valve, so that the pressure limiting valve enters the exhaust state from the closed state. Specifically, the inclined surface 4224 is inclined with respect to a horizontal position.

Of course, in other embodiments, other cooperating structures between the first end 411 of the rotating rod 410 and the first portion 4221 of the transmission member 420 may be implemented, the purpose of which is to change the horizontal displacement of the first end 411 of the rotating rod 410 into the vertical displacement of the transmission end 422 of the transmission member 420.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A pressure limiting valve control device for a pressure cooker, comprising: the pressure limiting valve, the reset assembly and the control assembly are movably arranged on the cover body, the control assembly comprises a rotating rod and a transmission piece, the rotating rod comprises a first end and a second end which are oppositely arranged, and a rotating end positioned between the first end and the second end, the rotating end is rotatably connected with the cover body, the first end is in transmission connection with the pressure limiting valve through the transmission piece, and when the rotating rod is at the first position or the second position, the first end controls the transmission piece to limit the pressure limiting valve to be in a closed state or an exhaust state;

the lid is in close the in-process of lid on the pot body, butt structure butt the pot tooth of the pot body drives the moving member slides, simultaneously limit structure can control the removal of spacing post, in order to incite somebody to action the dwang is in the primary importance.

2. The pressure cooker pressure limiting valve control device as claimed in claim 1, wherein the reset assembly further comprises an elastic member, the moving member further comprises a mounting post, the cover body is further provided with a mounting opening for inserting the mounting post, and the elastic member is sleeved on the mounting post and arranged between the moving member and the cover body;

3. The control device for the pressure limiting valve of the pressure cooker as claimed in claim 1, wherein after the cover body is completely covered on the cooker body, the abutting structure leaves the cooker teeth of the cooker body and drives the moving member to slide, and the limiting structure is far away from the limiting column.

4. The control device for the pressure limiting valve of a pressure cooker as claimed in claim 1, wherein the limiting structure is hook-shaped, and the limiting post is column-shaped.

5. The control device for the pressure limiting valve of a pressure cooker as claimed in claim 1, wherein the transmission member comprises a movable end and a transmission end which are oppositely arranged, the movable end is movably connected with the cover body, and a first part and a second part of the transmission end are respectively abutted against the first end of the rotating rod and the pressure limiting valve.

6. The control device for the pressure limiting valve of a pressure cooker as claimed in claim 5, characterized in that the first part of the transmission member has a locking surface and an inclined surface, and the rotating rod, during rotation from the first position to the second position, can drive the first end of the rotating rod to slide from the inclined surface to the locking surface, so that the second part jacks up the pressure limiting valve.

7. The control device for the pressure limiting valve of a pressure cooker as claimed in claim 5, wherein the movable end is provided with an arc groove, the cover body is provided with a supporting head, and the arc groove is movably connected with the supporting head.

8. The control device for the pressure-limiting valve of a pressure cooker as claimed in claim 1, wherein the control assembly further comprises a control knob disposed on the outer sidewall of the cover body and a control panel disposed on the inner sidewall of the cover body, the cover body is provided with a through channel for communicating the outer sidewall of the cover body and the inner sidewall of the cover body, the control knob is connected with the control panel through the through channel, and the control panel is movably connected with the second end of the rotating rod.

9. The control device for the pressure limiting valve of a pressure cooker as claimed in claim 8, wherein the outer side wall of the cover body is provided with a groove, the control knob is arranged in the groove, and the control knob slides or rotates in the groove.

10. The control device for the pressure-limiting valve of a pressure cooker as claimed in claim 8, wherein the control plate is provided with a traction post, the second end of the rotating rod is provided with a traction groove, and the traction post is arranged in the traction groove and is slidably connected with the groove wall of the traction groove.