CN216724161U - Pressure container with auxiliary opening and closing and pressure relief functions - Google Patents

Abstract

The utility model discloses a pressure container with functions of assisting opening and closing and pressure relief. The pressure container comprises a container body and a container cover, wherein the container cover is provided with calipers and a pressure limiting valve, the container cover is also provided with a driving mechanism, the driving mechanism is rotatably connected with the container cover through a shaft body, and the driving mechanism is provided with a first driving groove and a second driving groove; the pressure limiting valve is in transmission connection with the driving mechanism through a pressure relief rod, the first driving groove and the second driving groove can be respectively abutted against and pushed by the guide column and the driving part, so that the caliper is driven to move in a locking station and an unlocking station along a first direction, and the pressure relief rod is driven to move in a pressure relief station and a pressure limiting station along a second direction. The pressure container provided by the utility model has the advantages of simple structure, smaller space occupation ratio, lower manufacturing cost and more convenient operation and use.

Description

Pressure container with auxiliary opening and closing and pressure relief functions

Technical Field

The utility model relates to a pressure container, in particular to a pressure container with functions of assisting opening and closing and relieving pressure, and belongs to the technical field of pressure containers.

Background

Usually one is limited to the boiling temperature of the place of residence for boiling water heating, since the boiling temperature of water is related to the altitude of the place of use: the boiling temperature of water decreases by about 3 c for every 1000m rise in altitude, so that people can enjoy 100 c boiling water only at sea level. At present, the electric heating water boiling apparatus has begun to replace the glass thermos bottle in the family because of its convenience and rapidness and the rapid market development, but the existing household electric heating water boiling apparatus can not provide the boiling water with the temperature of 100 ℃ or more in the high altitude area, but some temperature control type electric heating water boiling apparatuses provide the boiling water which is lower than the boiling temperature of the using site water. Even if the water-boiling kettle is used in low-altitude areas, consumers can hardly obtain the boiling water with local boiling temperature, and the requirements of people on high-temperature boiled water for direct drinking and the like can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a pressure container with auxiliary opening and closing and pressure relief functions, so as to overcome the defects in the prior art.

In order to realize the purpose of the utility model, the technical scheme adopted by the utility model comprises the following steps:

the embodiment of the utility model provides a pressure container with auxiliary opening and closing and pressure relief functions, which comprises a container main body and a container cover, wherein the container cover is provided with calipers and a pressure limiting valve, the calipers are used for locking the container cover and the container main body,

the container cover is also provided with a driving mechanism, the driving mechanism is rotationally connected with the container cover through a shaft body, and the driving mechanism is provided with a first driving groove and a second driving groove;

the pressure limiting valve is in transmission connection with the driving mechanism through a pressure relief rod, a driving portion of the pressure relief rod is movably arranged in the second driving groove, and when the driving mechanism rotates by taking the shaft body as a shaft, the first driving groove and the second driving groove can be respectively abutted and pushed against the guide column and the driving portion, so that the caliper is driven to move in a locking station and an unlocking station along a first direction, and the pressure relief rod is driven to move in a pressure relief station and a pressure limiting station along a second direction.

Further, first drive groove and second drive groove are the arc wall, first drive groove and second drive groove are the angle setting, just calliper in the motion on the first direction with the pressure relief pole takes place in the motion on the second direction is not simultaneously.

Furthermore, the first driving groove is provided with a first driving section and a first concentric section, when the guide post is positioned at the first driving section, the first driving groove and the guide post are mutually pushed and synchronously move, and when the guide post is positioned at the first concentric section, the guide post is kept still;

the second driving groove is provided with a second driving section and a second concentric section, when the driving part is positioned at the second driving section, the second driving groove and the guide post are mutually pushed and generate synchronous motion, and when the driving part is positioned at the second concentric section, the driving part is kept still;

when the guide column is positioned at the first driving section, the driving part is positioned at the second concentric section; and when the driving part is positioned at the second driving section, the guide column is positioned at the first concentric section.

Further, the first driving section of the first driving groove faces the second driving groove.

Furthermore, the container cover is further provided with a positioning rod and an elastic piece, the positioning rod is fixedly connected with the elastic piece, a plurality of positioning grooves are distributed at intervals on the peripheral edge of the driving mechanism, and the positioning rod can be embedded into the positioning grooves under the compression of the elastic force provided by the elastic piece.

Furthermore, the container cover is fixedly provided with a caliper guide piece, a guide channel for the local entering of the caliper is arranged between the caliper guide piece and the container cover, a caliper guide groove arranged along a first direction is further formed in the caliper guide piece, and the guide column is movably arranged in the caliper guide groove.

Furthermore, the calipers are further provided with calipers limiting grooves arranged along the first direction, the container cover is fixedly provided with calipers limiting columns, and the calipers limiting columns are movably arranged in the calipers limiting grooves.

Furthermore, the pressure limiting valve comprises a valve body and an exhaust rod, the exhaust rod is fixedly arranged on the container cover, the valve body is movably arranged at one end of the exhaust rod, a first air guide channel in the valve body can be communicated with a second air guide channel in the exhaust rod, a sealing gasket on the valve body can open and block the opening of the second air guide channel,

the driven part of the pressure relief rod is positioned between the valve body and the container cover, and when the driven part moves in the pressure relief station and the pressure limiting station along the second direction, the valve body can move along the third direction under the pushing of the driven part, so that the sealing gasket opens or blocks the opening of the second air guide channel, wherein the first direction and the second direction are parallel to the surface of the container cover, and the third direction is parallel to the axial direction of the air exhaust rod or the container cover.

Furthermore, the thickness of the driven part is gradually increased along the direction close to the driving part, and the driven part and the valve body are respectively provided with guide inclined planes which are mutually contacted.

Further, the driving mechanism is fixedly connected with a handle assembly, the handle assembly can synchronously rotate with the driving mechanism, and the rotating direction of the driving mechanism is parallel to the surface of the container cover.

Compared with the prior art, the utility model has the advantages that: the pressure container provided by the embodiment of the utility model has the advantages of simple structure, smaller space occupation ratio and lower manufacturing cost; according to the pressure container provided by the embodiment of the utility model, the actions of closing, releasing and opening the cover of the pressure container can be realized by simply rotating the driving mechanism left and right, the container cover is also provided with the positioning rod matched with the driving mechanism, and the indication reminding of the states of closing, releasing and opening the cover can be realized by corresponding the positioning rod to different positioning grooves on the driving mechanism, so that the operation and the use are more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be 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 described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram of the overall construction of a pressure vessel provided in an exemplary embodiment of the present invention;

FIG. 2 is a schematic top view of a pressure vessel provided in an exemplary embodiment of the present invention;

FIG. 3 is a schematic structural view of a caliper provided in an exemplary embodiment of the present invention;

FIG. 4 is a schematic diagram of a drive mechanism provided in an exemplary embodiment of the present invention;

FIG. 5 is a schematic diagram of a pressure relief stem provided in an exemplary embodiment of the present invention;

FIG. 6 is a schematic top view of a pressure vessel with a locked vessel lid according to an exemplary embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view taken at A-A of FIG. 6;

fig. 8 is a schematic view of an internal structure of a pressure vessel in a locked state of a vessel lid according to an exemplary embodiment of the present invention;

FIG. 9 is a schematic diagram illustrating a top view of a pressure vessel with pressure relief provided in accordance with an exemplary embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view taken at B-B of FIG. 9;

FIG. 11 is an enlarged partial schematic view of structure A of FIG. 10;

FIG. 12 is a schematic view of the internal structure of a pressure vessel lid in a depressurized state according to an exemplary embodiment of the present invention;

FIG. 13 is a schematic top view of a pressure vessel illustrating an unlocked vessel lid in accordance with an exemplary embodiment of the present invention;

FIG. 14 is a schematic cross-sectional view at C-C of FIG. 13;

fig. 15 is a schematic view of an inner structure of a pressure container in a container lid unlocked state according to an exemplary embodiment of the present invention.

Detailed Description

In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.

The embodiment of the utility model provides a pressure container with auxiliary opening and closing and pressure relief functions, which comprises a container main body and a container cover, wherein the container cover is provided with calipers and a pressure limiting valve, the calipers are used for locking the container cover and the container main body,

the container cover is also provided with a driving mechanism, the driving mechanism is rotationally connected with the container cover through a shaft body, and the driving mechanism is provided with a first driving groove and a second driving groove;

the caliper is fixedly provided with a guide post, part of the guide post is movably arranged in the first driving groove, the pressure limiting valve is in transmission connection with the driving mechanism through a pressure relief rod, a driving part of the pressure relief rod is movably arranged in the second driving groove, and when the driving mechanism rotates by taking the shaft body as a shaft, the first driving groove and the second driving groove can be respectively abutted against and pushed against the guide post and the driving part, so that the caliper is driven to move in a locking station and an unlocking station along a first direction, and the pressure relief rod is driven to move in a pressure relief station and a pressure limiting station along a second direction;

when the calipers are positioned at a locking station, the calipers are respectively in a locking state with the container cover and the container body 100, and when the calipers are positioned at an unlocking station, the calipers are respectively in an unlocking state with the container cover and the container body 100, and the container cover and the container body 100 can be opened; when the pressure relief rod is positioned at the pressure relief station, the pressure limiting valve is in an open pressure relief state, and when the pressure relief rod is positioned at the pressure limiting station, the pressure limiting valve is in a closed pressure limiting state.

As will be described in further detail with reference to the accompanying drawings, the container body, the container cover, the clamp, the pressure limiting valve, and the like in the embodiments of the present invention may be those known to those skilled in the art, unless otherwise specified.

Referring to fig. 1, a pressure vessel includes a vessel body 100 and a vessel cover 200, a caliper 300 and a pressure limiting valve 500 are movably disposed on the vessel cover 200, the caliper 300 is movably matched with the container cover 200 through a guiding and limiting structure, and can move in a locking station and an unlocking station along a first direction under the driving of external force, when the calipers 300 are located at the locking station, the calipers 300 are respectively in a locking state with the container cover 200 and the container body 100 (for example, the flanges of the container cover 200 and the container body 100 are clamped in the limiting grooves of the calipers), when the calipers 300 are located at the unlocking station, the calipers 300 are respectively in an unlocking state with the container cover 200 and the container body 100 (for example, the flanges of the container cover 200 and the container body 100 are separated from the limiting grooves of the calipers), and the container cover and the container body 100 can be opened; the pressure limiting valve 500 is movably arranged in a pressure relief hole formed in the container cover 200 and communicated with the inner cavity of the container body 100, the pressure limiting valve 500 is matched with the pressure relief rod 400, the pressure relief rod 400 can move in a pressure relief station and a pressure limiting station along a second direction under the drive of external force, when the pressure relief rod is positioned in the pressure relief station, the pressure relief rod 400 opens the pressure limiting valve 500, so that the pressure limiting valve 500 is in an open pressure relief state, and when the pressure relief rod 400 is positioned in the pressure limiting station, the pressure limiting valve 500 is in a closed pressure limiting state, wherein the caliper 300 and the pressure relief rod 400 are simultaneously in transmission connection with the driving mechanism 600, and the driving mechanism 600 is used for driving the caliper and the pressure relief rod to move.

Specifically, referring to fig. 2 to 5, the caliper 300 is fixedly provided with a guide post 320, the pressure relief rod 400 has a driving portion 410 and a driven portion 420, the driving portion 410 and the driven portion 420 are disposed at an angle (for example, vertically disposed), the driving mechanism 600 is rotatably connected to the container cover 200 through a shaft 630, and the driving mechanism 600 is provided with a first driving groove 610 and a second driving groove 620; the guide post 320 is partially movably arranged in the first driving groove 610, the pressure limiting valve 500 is in transmission connection with the driving mechanism 600 through the pressure relief rod 400, the driving portion 410 of the pressure relief rod 400 is movably arranged in the second driving groove 620, and when the driving mechanism 600 rotates with the shaft body 630 as an axis, the first driving groove 610 and the second driving groove 620 can respectively abut against and push against the guide post 320 and the driving portion 410 (mainly, the groove wall of the driving groove abuts against and pushes against the guide post 320 and the driving portion 410), so that the caliper 300 is driven to move in the locking station and the unlocking station along a first direction, and the pressure relief rod 400 is driven to move in the pressure relief station and the pressure limiting station along a second direction.

Specifically, referring to fig. 4 again, the first driving groove 610 and the second driving groove 620 are both arc-shaped grooves, the first driving groove 610 and the second driving groove 620 are disposed at an angle, and the movement of the caliper 300 in the first direction and the movement of the pressure relief rod 400 in the second direction do not occur simultaneously.

Specifically, the first driving slot 610 has a first driving section 611 and a first concentric section 612, when the guiding column 320 is located at the first driving section 611, the first driving slot 610 and the guiding column 320 are pushed against each other and perform synchronous movement, and when the guiding column 320 is located at the first concentric section 612, the guiding column 320 is kept still; the second driving groove 620 has a second driving section 621 and a second concentric section 622, when the driving part 410 is located at the second driving section 621, the second driving groove 620 and the guiding column 320 are pushed against each other and perform synchronous movement, and when the driving part 410 is located at the second concentric section 622, the driving part 410 is kept still; and when the guide post 320 is located at the first driving section 611, the driving part 410 is located at the second concentric section 622; and when the driving part 410 is located at the second driving section 621, the guiding post 320 is located at the first concentric section 612.

Specifically, the first driving segment 611 of the first driving groove 610 faces the second driving groove 620.

It should be noted that the specific dimensions of the first driving groove 610 and the second driving groove 620, the length and width of the driving segment, the length and width of the concentric segment, the radius of curvature of the inner sidewall surface, the angle and the interval between the first driving groove 610 and the second driving groove 620, etc. are not specifically limited herein, and these parameters are matched with the size, shape, etc. of the driving portion of the guide post and the pressure relief lever, so that when the driving portion of the guide post and the pressure relief lever having different shapes and sizes is used, or when the layout state of the guide post and the pressure relief lever is changed, it is necessary to correspondingly set the parameters of the length and width of the first driving groove 610 and the second driving groove 620, the radius of curvature of the inner sidewall surface, etc. according to specific situations, and no specific limitation and description are made herein.

Specifically, the driving mechanism 600 may include a first main body portion and a second main body portion, the second main body portion is fixedly disposed at one side of the first main body portion, an area or a volume of the second main body portion is smaller than that of the first main body portion, a central position of the driving mechanism is located on the first main body portion, the shaft body 630 is connected with the first main body portion, wherein the first driving groove 610 is disposed on a side surface of the first main body portion facing the container cover, and the second driving groove 620 is disposed on the second main body portion.

Specifically, referring to fig. 8, the container cover 200 further includes a positioning rod 800 and an elastic member (e.g., a spring), the positioning rod 800 is fixedly connected to the elastic member, a plurality of positioning grooves 640 are formed at the peripheral edge of the driving mechanism 600, the positioning rod 800 can be inserted into the positioning groove 640 under the pressure of the elastic member, so as to fix the driving mechanism 600 and prevent the driving mechanism 600 from rotating.

Specifically, referring to fig. 2 and 3, a caliper guide 220 is further fixedly disposed on the container cover 200, a guide channel for allowing a part of the caliper 300 to enter is disposed between the caliper guide 220 and the container cover 200, a caliper guide groove 221 disposed along a first direction is further disposed on the caliper guide 220, and the guide post 320 is movably disposed in the caliper guide groove 221.

Specifically, the caliper 300 is further provided with a caliper limiting groove 310 arranged along a first direction, the container cover 200 is fixedly provided with a caliper limiting post 210, and the caliper limiting post 210 is movably arranged in the caliper limiting groove 310.

The clamp 300 may include a guide portion having a limiting groove, and a locking portion having a limiting post 320 and a clamp limiting groove 310 fixed to the guide portion, wherein when the clamp 300 is located at the locking position, a part of the peripheral outer edges of the container body 100 and the container cover 200 is clamped in the limiting groove, and the limiting groove may limit the movement of the container cover 200 and the container body 100 in the axial direction thereof, so that the container body 100 and the container cover 200 are locked.

Specifically, the locking part comprises a connecting plate, a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are respectively and fixedly arranged at two ends of the connecting plate, and the first limiting plate, the connecting plate and the second limiting plate are enclosed to form the limiting groove; the opening part of container main body 100 has the first turn-ups of turning over the formation outward from the edge of container main body, the edge of container lid 200 has the second turn-ups, works as when container lid 200 lid closes on container main body 100, the second turn-ups sets up the outside of first turn-ups, and works as when calliper 300 is located the locking station, first turn-ups and second turn-ups be spacing in spacing inslot between first limiting plate and the second limiting plate, wherein, the sticking department can be followed the arc part of container main body 100's circumference setting.

Specifically, the first direction and the second direction are both arranged along the surface of the container cover, and the first direction and the second direction are arranged at an angle, and the specific angle can be set according to specific conditions, and is not specifically limited herein.

Specifically, referring to fig. 5, 7, 10 and 11, the pressure limiting valve 500 includes a valve body 510 and an exhaust rod 520, the exhaust rod 520 is fixedly disposed on the container cover 200, the valve body 510 is movably disposed at one end of the exhaust rod 520, a first air guide channel in the valve body 510 can be communicated with a second air guide channel in the exhaust rod 520, a gasket 530 on the valve body 510 can open and block an opening of the second air guide channel,

the driven part 420 of the pressure release lever 400 is located between the valve body 510 and the container cover 200, and when the driven part 420 moves in the pressure release station and the pressure limiting station along the second direction, the valve body 510 can move along the third direction under the pushing of the driven part 420, so that the sealing gasket 530 opens or blocks the opening of the second air guide channel, wherein the first direction and the second direction are parallel to the surface of the container cover 200, and the third direction is parallel to the axial direction of the air release lever 520 or the container cover 200.

Specifically, the thickness of the driven part 420 is gradually increased in a direction approaching the driving part 410, and the driven part 420 and the valve body 510 have guide slopes contacting each other, respectively.

Specifically, the driving mechanism 600 is further fixedly connected to a handle assembly 700, and the handle assembly 700 can rotate synchronously with the driving mechanism 600, wherein the rotation direction of the driving mechanism 600 is parallel to the surface of the container cover 200.

Specifically, a sealing ring 110 for maintaining the sealing performance between the container cover and the container body is further provided between the container cover and the container body, but the pressure container may further include other functional components or structures for implementing its own function or additional functions, and is not particularly limited herein.

Specifically, the number of the calipers in the embodiment of the present invention may be one or more, wherein the figure in the embodiment of the present invention shows that two calipers are provided, and of course, the shape, structure and number of the calipers can be adjusted by those skilled in the art according to specific requirements.

Specifically, the pressure container in the embodiment of the utility model can be an electric kettle or an electric pressure cooker and the like.

In some more specific embodiments, referring to fig. 7 and 10, the driving mechanism 600 can rotate around the shaft 630 at an angle under the driving of the handle assembly 700, the first driving groove 610 is engaged with the guiding post 320 of the caliper 300, the second driving groove 620 is engaged with the driving portion 410 of the pressure relief rod 400, and when the driving mechanism 600 rotates left and right under the action of the handle assembly 700, the caliper 300 and the pressure relief rod 400 can perform corresponding reciprocating motions.

Referring to fig. 6 to 8, the container cover 200 is covered on the container body 100, and the driving mechanism 600 is driven to rotate left and right by operating the handle assembly 700 with the shaft body 630 as an axis (specific angles are not specifically limited), so that the caliper 300 moves in a direction close to the container cover along a first direction and locks the container cover 200 and the container body 100, and the pressure container is in a cover closing state, the pressure limiting valve 500 is in a free state, and the sealing gasket 530 abuts against the air exhaust rod 520 to enable the pressure limiting valve 500 to be in a pressure limiting state.

Specifically, referring to fig. 9 to 12, when the pressure inside the pressure vessel reaches a specified requirement, the driving mechanism 600 is driven to rotate left and right about the shaft body 630 by operating the handle assembly 700, and at this time, the guide post 320 of the caliper is located at the first concentric section 612 of the first driving groove 610 and remains stationary, and at this time, the caliper 300 remains locked with the vessel cover 200 and the vessel body 100, and the vessel cover 200 is tightly buckled on the vessel body 100; the driving portion 410 of the pressure relief rod 400 is located at the second driving section 621 of the second driving groove 620 of the driving mechanism 600, the driving portion 410 and the second driving section 621 of the second driving groove are pushed against each other, so as to drive the pressure relief rod 400 to move towards the pressure limiting valve 500 along the second direction, under the mutual matching of the guiding inclined plane 421 of the driven portion 420 of the pressure relief rod and the guiding inclined plane of the valve body 510, the valve body 510 is jacked up along the axial direction of the air exhaust rod 520, at this time, the sealing gasket 530 and the air exhaust rod 520 are separated from each other, so that the inner cavity of the container body is communicated with the outside through the air exhaust channel on the container cover, and the pressure container is in a pressure relief state.

Specifically, referring to fig. 13-15, after a certain time of pressure relief, the driving mechanism 600 is driven by operating the handle assembly 700 to rotate left and right around the shaft body 630 in a counterclockwise direction (specific angle is not specifically limited), the driving portion 410 of the pressure relief rod 400 is located at the second concentric section 622 of the second driving groove 620 and remains stationary, while the guiding post 320 of the caliper is located at the first driving section 611 of the first driving groove 610, the guiding post 320 and the first driving section 611 of the first driving groove push against each other, so as to drive the caliper 300 to move away from the container cover in the first direction and to be separated from at least the container body 100, at this time, the container body and the container cover can be opened, and the pressure container is in an open state.

Specifically, when the pressure container is in a box cover, pressure relief, or cover opening state, the positioning rod 800 is respectively inserted into the different positioning grooves 640 on the outer peripheral edge of the driving mechanism, thereby realizing positioning reminding.

The pressure container provided by the embodiment of the utility model has the advantages of simple structure, smaller space occupation ratio and lower manufacturing cost; according to the pressure container provided by the embodiment of the utility model, the actions of closing, releasing and opening the cover of the pressure container can be realized by simply rotating the driving mechanism left and right, the container cover is also provided with the positioning rod matched with the driving mechanism, and the indication reminding of the states of closing, releasing and opening the cover can be realized by corresponding the positioning rod to different positioning grooves on the driving mechanism, so that the operation and the use are more convenient.

It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and therefore, the protection scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a pressure vessel with supplementary function of opening and shutting and pressure release, includes container body (100) and container lid (200), be provided with calliper (300) and pressure limiting valve (500) on container lid (200), calliper (300) are used for locking container lid (200) and container body (100), its characterized in that:

the container cover (200) is also provided with a driving mechanism (600), the driving mechanism (600) is rotatably connected with the container cover (200) through a shaft body (630), and the driving mechanism (600) is provided with a first driving groove (610) and a second driving groove (620);

the pressure limiting valve is characterized in that a guide post (320) is fixedly arranged on the caliper (300), the local activity of the guide post (320) is arranged in the first driving groove (610), the pressure limiting valve (500) is in transmission connection with the driving mechanism (600) through a pressure relief rod (400), a driving part (410) of the pressure relief rod (400) is movably arranged in the second driving groove (620), and when the driving mechanism (600) rotates by taking the shaft body (630) as a shaft, the first driving groove (610) and the second driving groove (620) can be respectively abutted against and pushed against the guide post (320) and the driving part (410), so that the caliper (300) is driven to move in a locking station and an unlocking station along a first direction, and the pressure relief rod (400) is driven to move in a pressure relief station and a pressure limiting station along a second direction.

2. The pressure vessel of claim 1, wherein: first drive groove (610) and second drive groove (620) are the arc wall, first drive groove (610) and second drive groove (620) are the angle setting, just calliper (300) in the motion on first direction with pressure relief pole (400) do not take place simultaneously in the motion on the second direction.

3. The pressure vessel of claim 2, wherein: the first driving groove (610) is provided with a first driving section (611) and a first concentric section (612), when the guide post (320) is positioned at the first driving section (611), the first driving groove (610) and the guide post (320) are mutually pushed and generate synchronous movement, and when the guide post (320) is positioned at the first concentric section (612), the guide post (320) is kept still;

the second driving groove (620) is provided with a second driving section (621) and a second concentric section (622), when the driving part (410) is positioned at the second driving section (621), the second driving groove (620) and the guide post (320) are mutually abutted and generate synchronous movement, and when the driving part (410) is positioned at the second concentric section (622), the driving part (410) is kept still;

and when the guide post (320) is located at the first drive section (611), the drive portion (410) is located at the second concentric section (622); and when the driving part (410) is located at the second driving section (621), the guide post (320) is located at the first concentric section (612).

4. The pressure vessel of claim 3, wherein: the first drive segment (611) of the first drive slot (610) faces the second drive slot (620).

5. The pressure vessel of claim 1, wherein: the container cover (200) is further provided with a positioning rod (800) and an elastic piece, the positioning rod (800) is fixedly connected with the elastic piece, a plurality of positioning grooves (640) are distributed at intervals on the peripheral edge of the driving mechanism (600), and the positioning rod (800) can be embedded into the positioning grooves (640) under the compression of the elastic force provided by the elastic piece.

6. The pressure vessel of claim 1, wherein: the container cover (200) is further fixedly provided with a caliper guide piece (220), a guide channel for allowing a part of the caliper (300) to enter is formed between the caliper guide piece (220) and the container cover (200), a caliper guide groove (221) arranged along a first direction is further formed in the caliper guide piece (220), and the guide column (320) is movably arranged in the caliper guide groove (221).

7. The pressure vessel of claim 1 or 6, wherein: still set up calliper spacing groove (310) that set up along the first direction on calliper (300), fixed calliper spacing post (210) that are provided with on container lid (200), calliper spacing post (210) activity sets up in calliper spacing groove (310).

8. The pressure vessel of claim 1, wherein: the pressure limiting valve (500) comprises a valve body (510) and an exhaust rod (520), the exhaust rod (520) is fixedly arranged on the container cover (200), the valve body (510) is movably arranged at one end of the exhaust rod (520), a first air guide channel in the valve body (510) can be communicated with a second air guide channel in the exhaust rod (520), a sealing gasket (530) on the valve body (510) can open and block the opening of the second air guide channel,

the driven part (420) of pressure release pole (400) is located between valve body (510) and container lid (200), just when driven part (420) move in pressure release station and pressure limiting station along the second direction, valve body (510) can be in the support of driven part (420) pushes down along the third direction motion, and makes sealed pad (530) open or block up the opening of second air guide channel, wherein, first direction and second direction are parallel with the surface of container lid (200), the third direction is parallel with the axial direction of air release pole (520) or container lid (200).

9. The pressure vessel of claim 8, wherein: the thickness of the driven part (420) is gradually increased along the direction close to the driving part (410), and the driven part (420) and the valve body (510) are respectively provided with guide inclined planes which are mutually contacted.

10. The pressure vessel of claim 1, wherein: the driving mechanism (600) is also fixedly connected with a handle assembly (700), the handle assembly (700) can synchronously rotate with the driving mechanism (600), and the rotating direction of the driving mechanism (600) is parallel to the surface of the container cover (200).

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