CN219366789U - Automatic uncapping device for pressure container - Google Patents

Abstract

The utility model provides an automatic cover opening device for a pressure container, and relates to the technical field of pressure containers. The automatic cover opening device of the pressure container is used for being arranged on the grain steaming pot and comprises an electric push rod, a curved connecting rod, a cover plate and a cover plate pressing plate, wherein the electric push rod is hinged on the grain steaming pot and is in driving connection with the curved connecting rod, one end of the curved connecting rod is hinged with the grain steaming pot, the other end of the curved connecting rod is in driving connection with the cover plate, the electric push rod is used for driving the cover plate to rotate through the curved connecting rod so that the cover plate moves between the opening part of the grain steaming pot and the inside of the grain steaming pot, and when the cover plate reaches the opening part of the grain steaming pot, the cover plate is in sealing connection with the cover plate pressing plate. Can realize that the apron is in evaporating the grain pot internal rotation to when electric putter passes through bent connecting rod drive apron and rotates towards the oral area position of evaporating the grain pot, apron and apron clamp plate sealing connection make the mode of uncapping of apron be interior open type, like this, when the apron is closed, evaporate and fill gas in the grain pot, the pressure effect is on the apron, improves the leakproofness of apron.

Description

Automatic uncapping device for pressure container

Technical Field

The utility model relates to the technical field of pressure containers, in particular to an automatic cover opening device for a pressure container.

Background

The existing pressure container uncovering mode of steaming Liang Guo is divided into two modes, namely manual uncovering and automatic uncovering; the labor intensity of manual uncovering is high, the production beat is slow, and the safety risk of hurting people by high-temperature high-pressure gas exists; the existing automatic cover opening device adopts a cover to turn outwards, and after the pressure vessel is filled with gas, the pressure acts on the cover body, so that the risk of loose sealing exists.

Disclosure of Invention

The utility model solves the problems that: how to improve the tightness of the automatic cover opening device in the related art.

In order to solve the problems, the utility model provides an automatic cover opening device of a pressure container, which is arranged on a grain steaming pot and comprises an electric push rod, a curved connecting rod, a cover plate and a cover plate pressing plate, wherein the electric push rod is hinged on the grain steaming pot and is in driving connection with the curved connecting rod, one end of the curved connecting rod is hinged with the grain steaming pot, the other end of the curved connecting rod is in driving connection with the cover plate, the electric push rod is used for driving the cover plate to rotate through the curved connecting rod so as to enable the cover plate to move between the opening part of the grain steaming pot and the inside of the grain steaming pot, and when the cover plate reaches the opening part of the grain steaming pot, the cover plate is in sealing connection with the cover plate pressing plate.

Optionally, the automatic pressure vessel uncapping device further comprises a cover plate stop lever, the cover plate stop lever is connected with the inner wall of the grain steaming pot, the curved connecting rod is hinged with the outer wall of the grain steaming pot, the cover plate is rotationally connected with the curved connecting rod, the electric push rod drives the cover plate to be far away from when the opening part of the grain steaming pot rotates in place through the curved connecting rod, one end of the curved connecting rod extending into the grain steaming pot is located below the cover plate stop lever, and the cover plate stop lever is clamped with the curved connecting rod to be arranged on the cover plate.

Optionally, the curved connecting rod is provided with the arch towards on the one side of apron pin, the arch is followed keep away from extend the setting in the direction of curved connecting rod, the curved connecting rod stretches into when the one end in the grain steaming pot is located the below of apron pin, the curved connecting rod passes through the arch with the apron pin presss from both sides tightly the apron setting.

Optionally, the apron clamp plate is followed the oral area border of steaming grain pot sets up, the inboard of apron clamp plate is equipped with the orientation steaming grain pot's inside first inclined plane structure, the apron is provided with the second inclined plane structure, electric putter passes through curved connecting rod drive the apron reaches when steaming grain pot's oral area, first inclined plane structure with second inclined plane structure cooperation sealing connection.

Optionally, a sealing ring is arranged on the second inclined plane structure, and when the electric push rod drives the cover plate to reach the opening of the grain steaming pot through the curved connecting rod, the second inclined plane structure is in sealing connection with the first inclined plane structure through the sealing ring.

Optionally, a groove is formed in the second inclined plane structure, and the sealing ring is embedded into the groove.

Optionally, the cover plate is provided with a cover plate guide block, and the electric putter passes through the curved connecting rod drives when the cover plate is towards the oral area rotation of steaming grain pot, the cover plate guide block with first inclined plane structure sliding fit.

Optionally, the automatic cover opening device of the pressure container further comprises an annular sealing gasket, and the annular sealing gasket is arranged between the cover plate pressing plate and the mouth part of the grain steaming pot.

Optionally, the cover plate pressing plate is connected with the grain steaming pot through a bolt, and a sealing plate is arranged between the cover plate pressing plate and the grain steaming pot.

Optionally, the electric push rod and the curved connecting rod are hinged with the grain steaming pot through oil-free bushings.

Compared with the prior art, the automatic cover opening device of the pressure container is hinged on the grain steaming pot through the electric push rod and is in driving connection with the curved connecting rod, the electric push rod provides power for opening and closing the cover plate, one end of the curved connecting rod is hinged with the grain steaming pot, the other end of the electric push rod extends into the opening position of the grain steaming pot and is in driving connection with the cover plate, so that the cover plate rotates in the grain steaming pot, and when the electric push rod drives the cover plate to reach the opening position of the grain steaming pot through the curved connecting rod, the cover plate is in sealing connection with the cover plate pressing plate, so that the cover opening mode of the cover plate is internal opening, after the cover plate is closed, gas is filled into the grain steaming pot, the pressure acts on the cover plate, and the sealing property of the cover plate is improved; meanwhile, when the cover is opened, the cover plate rotates in the grain steaming pot, so that the occupation of the cover plate on the space when the cover plate is opened can be saved.

Drawings

FIG. 1 is a schematic diagram of the working conditions of an automatic pressure vessel uncapping device in an embodiment of the present utility model;

fig. 2 is an enlarged view at a in fig. 1.

Reference numerals illustrate:

1-a grain steaming pot; 2-an electric push rod; 3-curved connecting rod; 31-bulge; 4-cover plate; 41-a second ramp structure; 42-sealing rings; 43-groove; 44-cover plate guide blocks; 5-a cover plate pressing plate; 51-a first ramp structure; 6-cover plate stop lever; 7-an annular gasket; 8-sealing plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, descriptions of the terms "embodiment," "one embodiment," "some embodiments," "illustratively," and "one embodiment" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or implementation of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. As such, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

The Z-axis in the drawing represents vertical, i.e., up-down position, and the positive direction of the Z-axis (i.e., the arrow of the Z-axis points) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; the X-axis in the drawing indicates a horizontal direction and is designated as a left-right position, and the positive direction of the X-axis (i.e., the arrow of the X-axis is directed) indicates a right side, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) indicates a left side; it should also be noted that the foregoing Z-axis and X-axis representations are only for convenience and the purpose of simplifying the description, and are not intended to indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

Referring to fig. 1, the embodiment of the utility model provides an automatic cover opening device of a pressure container, which is used for being arranged on a grain steaming pot 1 and comprises an electric push rod 2, a curved connecting rod 3, a cover plate 4 and a cover plate pressing plate 5, wherein the electric push rod 2 is hinged on the grain steaming pot 1 and is in driving connection with the curved connecting rod 3, one end of the curved connecting rod 3 is hinged with the grain steaming pot 1, the other end of the curved connecting rod is in driving connection with the cover plate 4, the electric push rod 2 is used for driving the cover plate 4 to rotate through the curved connecting rod 3 so that the cover plate 4 moves between the mouth of the grain steaming pot 1 and the inside of the grain steaming pot 1, and when the cover plate 4 reaches the mouth of the grain steaming pot 1, the cover plate 4 is in sealing connection with the cover plate pressing plate 5.

Specifically, the present description will be made taking an example in which the electric push rod 2 drives the cover plate 4 to rotate clockwise through the curved link 3 to achieve the sealing of the pressure vessel. The electric push rod 2 is hinged on the outer wall of the grain steaming pot 1 through a hinge and is in driving connection with the curved connecting rod 3, the curved connecting rod 3 takes a C-shaped structure as an example, the right end of the curved connecting rod 3 is hinged with the outer wall of the grain steaming pot 1 through the hinge, the left end of the curved connecting rod 3 stretches into the opening position of the grain steaming pot 1 and is in transmission connection with the cover plate 4, the cover plate 4 is positioned at the lower end of the cover plate pressing plate 5, when the cover plate 4 is opened, the electric push rod 2 stretches, the electric push rod 2 drives the curved connecting rod 3 to rotate anticlockwise, the curved connecting rod 3 drives the cover plate 4 to rotate anticlockwise to the inside of the grain steaming pot 1, when the cover plate 4 is closed, the electric push rod 2 drives the curved connecting rod 3 to rotate anticlockwise, and the curved connecting rod 3 drives the cover plate 4 to rotate towards the opening position of the grain steaming pot 1, and the cover plate 4 is in sealing connection with the cover plate pressing plate 5. The device can also be applied to a pressure vessel with a mouth part position except the grain steaming pot 1.

In this embodiment, the electric push rod 2 is hinged on the grain steaming pot 1 and is in driving connection with the curved connecting rod 3, the electric push rod 2 provides power for opening and closing the cover plate 4, one end of the curved connecting rod 3 is hinged with the grain steaming pot 1, the other end of the electric push rod extends into the mouth of the grain steaming pot 1 and is in transmission connection with the cover plate 4, so that the cover plate 4 rotates in the grain steaming pot 1, and when the electric push rod 2 drives the cover plate 4 to reach the mouth position of the grain steaming pot 1 through the curved connecting rod 3, the cover plate 4 is in sealing connection with the cover plate pressing plate 5, so that the cover plate 4 is opened inwards, after the cover plate 4 is closed, gas is filled in the grain steaming pot 1, and pressure acts on the cover plate 4, so that the tightness of the cover plate 4 is improved; meanwhile, when the cover is opened, the cover plate 4 rotates in the grain steaming pot 1, so that the occupation of space when the cover plate 4 is opened can be saved.

Optionally, as shown in connection with fig. 1, the automatic cover opening device of the pressure container further comprises a cover plate stop lever 6, the cover plate stop lever 6 is connected with the inner wall of the grain steaming pot 1, the curved connecting rod 3 is hinged with the outer wall of the grain steaming pot 1, the cover plate 4 is rotationally connected with the curved connecting rod 3, when the electric push rod 2 drives the cover plate 4 to rotate in place away from the opening of the grain steaming pot 1 through the curved connecting rod 3, one end of the curved connecting rod 3 extending into the grain steaming pot 1 is located below the cover plate stop lever 6, and the cover plate stop lever 6 and the curved connecting rod 3 clamp the cover plate 4.

Specifically, the cover plate stop lever 6 is located on the rotation path of the cover plate 4, the left end of the cover plate stop lever 6 is welded on the left inner wall of the whole grain pot 1, the cover plate 4 can be rotationally connected with one end of the curved connecting rod 3 extending into the opening position of the grain pot 1 in a pin shaft mode and the like, and can rotate around the axis of the rotation connection position of the cover plate 4 and the curved connecting rod 3, when the electric push rod 2 drives the cover plate 4 to rotate in place away from the opening position of the grain pot 1 through the curved connecting rod 3, the cover plate 4 deflects under the action of self gravity, and along with the continuous rotation of the cover plate 4, the lower end of the cover plate 4 is abutted with the right end of the cover plate stop lever 6, and after one end of the curved connecting rod 3 extending into the grain pot 1 is located below the cover plate stop lever 6, the cover plate stop lever 6 and the curved connecting rod 3 clamp the cover plate 4. Namely, when the opening part of the grain steaming pot 1 is upward, after materials enter the grain steaming pot 1, the electric push rod 2 retracts to drive the curved connecting rod 3 to do rotary motion, the cover plate 4 automatically closes the cover along with the curved connecting rod 3, and after the cover plate 4 is separated from the cover plate ejector rod 6, the cover plate 4 rotates and is reset through self weight; closing the cover under the action of the cover plate pressing plate 5 slowly, and pressurizing the grain steaming pot 1 to further strengthen the tightness; when the material needs to be poured out, the steaming grain pot 1 rotates to an opening position upwards, after the pressure release of the steaming grain pot 1 is finished, the electric push rod 2 stretches out to drive the curved connecting rod 3 to do rotary motion, the cover plate 4 automatically uncovers along with the curved connecting rod 3, when the cover plate 4 contacts the cover plate push rod 6, the cover plate push rod 6 enables the cover plate 4 to rotate, and finally the cover plate stop rod 6 and the curved connecting rod 3 clamp the cover plate 4 to form an included angle with the opening position of the steaming grain pot 1.

So, be located the rotation route of apron pin 6 and be connected with the inner wall of steaming grain pot 1 through apron pin 4 for apron pin 6 keeps stable in steaming grain pot 1, and rotate with curved connecting rod 3 at apron 4, when electric putter 2 is kept away from the oral area position rotation of steaming grain pot 1 through curved connecting rod 3 drive apron 4 and is put in place, the one end that curved connecting rod 3 stretches into in steaming grain pot 1 is located the below of apron pin 6, and apron pin 6 and curved connecting rod 3 clamp cover plate 4, in this way, apron 4 is certain angle slope under the clamping action of apron pin 6 and curved connecting rod 3, thereby when the ejection of compact, avoid apron 4 to keep off the oral area position of steaming grain pot 1 or can't go out smoothly, thereby improve the reliability of use of apron 4.

Optionally, as shown in connection with fig. 2, a protrusion 31 is provided on a side of the curved connecting rod 3 facing the cover plate stop lever 6, the protrusion 31 extends in a direction away from the curved connecting rod 3, and when one end of the curved connecting rod 3 extending into the grain steaming pot 1 is located below the cover plate stop lever 6, the curved connecting rod 3 is arranged by clamping the cover plate 4 with the cover plate stop lever 6 through the protrusion 31.

Specifically, the protrusion 31 may be disposed on an end of the curved link 3 facing the cover bar 6 through an integrally formed mold, and extend in a direction away from the curved link 3, wherein a distance that the boss 31 extends may be adjusted according to actual needs. When one end of the curved connecting rod 3 extending into the grain steaming pot 1 is located below the cover plate stop lever 6, the cover plate stop lever 6 pushes the left end of the cover plate 4 to rotate anticlockwise, when the cover plate 4 is abutted with the protrusion 31, the cover plate 4 is inclined, and the protrusion 31 and the cover plate stop lever 6 clamp the cover plate 4.

Like this, be provided with protruding 31 on the one end through bent type connecting rod 3 towards apron pin 6, and protruding 31 extends along the direction that keeps away from bent type connecting rod 3 and sets up, when the one end that rethread bent type connecting rod 3 stretched into in the grain steaming pot 1 is located apron pin 6's below, bent type connecting rod 3 is through protruding 31 and apron pin 6 clamp closure plate 4, like this, closure plate 4 makes closure plate 4 stable in the inclination under protruding 31 and bent type connecting rod 3's combined action, and can avoid closure plate 4 directly to the impact of bent type connecting rod 3 when 3 butt of bent type connecting rod, and then improve the structural strength of bent type connecting rod 3.

Optionally, as shown in connection with fig. 2, the cover plate pressing plate 5 is disposed along the edge of the mouth of the grain steaming pot 1, a first inclined surface structure 51 facing the interior of the grain steaming pot 1 is disposed on the inner side of the cover plate pressing plate 5, a second inclined surface structure 41 is disposed on the cover plate 4, and when the electric push rod 2 drives the cover plate 4 to reach the mouth of the grain steaming pot 1 through the curved connecting rod 3, the first inclined surface structure 51 is in fit and sealing connection with the second inclined surface structure 41.

Specifically, the first inclined surface structure 51 is arranged at one end of the cover plate pressing plate 5 facing the opening position of the grain steaming pot 1, the second inclined surface structure 41 is arranged at one end of the cover plate 4 facing the curved connecting rod 3, and when the electric push rod 2 drives the cover plate 4 to rotate towards the opening position of the grain steaming pot 1 through the curved connecting rod 3, the first inclined surface structure 51 is in sealing connection with the second inclined surface structure 41.

So, be provided with first inclined plane structure 51 on the one end through apron clamp plate 5 towards the oral area position of steaming grain pot 1, the one end of apron 4 towards bent type connecting rod 3 is provided with second inclined plane structure 41, when electric putter 2 passes through bent type connecting rod 3 drive apron 4 and rotates towards the oral area position of steaming grain pot 1, first inclined plane structure 51 and second inclined plane structure 41 sealing connection, the sealing area between first inclined plane structure 51 and second inclined plane structure 41 increase apron 4 and the apron clamp plate 5, like this, after first inclined plane structure 51 and the sealing laminating of second inclined plane structure 41, can improve the leakproofness between apron 4 and the apron clamp plate 5.

Optionally, as shown in fig. 2, a sealing ring 42 is disposed on the second inclined surface structure 41, and when the electric push rod 2 drives the cover plate 4 to reach the mouth of the grain steaming pot 1 through the curved connecting rod 3, the second inclined surface structure 41 is in sealing connection with the first inclined surface structure 51 through the sealing ring 42.

Specifically, the sealing ring 42 is sleeved on the second inclined surface structure 41, and when the electric push rod 2 drives the cover plate 4 to rotate towards the opening position of the grain steaming pot 1 through the curved connecting rod 3, the sealing ring 42 is in sealing connection with the washing inclined surface structure 51 while the second inclined surface structure 41 is in sealing fit with the first inclined surface structure 51.

In this way, the sealing ring 42 is arranged on the second inclined surface structure 41, and when the electric push rod 2 drives the cover plate 4 to rotate towards the opening position of the grain steaming pot 1 through the curved connecting rod 3, the second inclined surface structure 41 is in sealing connection with the first inclined surface structure 51 through the sealing ring 42, so that the sealing ring 42 improves the sealing performance between the first inclined surface structure 51 and the second inclined surface structure 41.

Optionally, as shown in connection with fig. 2, a groove 43 is provided on the second bevel structure 41, and a sealing ring 42 is embedded in the groove 43.

Specifically, the groove 43 has an annular structure, and the seal ring 42 is placed in the groove 43.

So, be provided with recess 43 on through second inclined plane structure 41, and sealing washer 42 embedding recess 43 sets up for recess 43 carries out spacingly to sealing washer 42, and in this way, at the rotation in-process of apron 4, recess 43 improves the stability of sealing washer 42 on apron 4.

Optionally, as shown in connection with fig. 2, the cover plate 4 is provided with a cover plate guide block 44, and when the electric push rod 2 drives the cover plate 4 to rotate towards the mouth of the grain steaming pot 1 through the curved connecting rod 3, the cover plate guide block 44 is in sliding fit with the first inclined surface structure 51.

Specifically, the cover plate guide block 44 is arranged at one end of the cover plate 4, which faces the curved connecting rod 3, namely, the cover plate guide block 44 is arranged at the upper end of the cover plate 4, when the electric push rod 2 drives the cover plate 4 to rotate towards the opening position of the grain steaming pot 1 through the curved connecting rod 3, namely, when the cover plate 4 rotates upwards, the cover plate guide block 44 slides upwards along the first inclined surface structure 51, and when the cover plate guide block 44 slides out of the first inclined surface structure 51, the first inclined surface structure 51 and the second inclined surface structure 41 are fully attached and sealed.

So, set up apron guide block 44 through apron 4, and when electric putter 2 passes through curved connecting rod 3 drive apron 4 and rotates towards the oral area of steaming grain pot 1, apron guide block 44 and first inclined plane structure 51 sliding fit, apron guide block 44 realizes the rotation direction of apron 4 in steaming grain pot 1's oral area position to correct the direction of rotation of apron 4, like this, can guarantee that first inclined plane structure 51 and second inclined plane structure 41 fully laminate, in order to improve the leakproofness between first inclined plane structure 51 and the second inclined plane structure 41.

Optionally, as shown in connection with fig. 2, the automatic lid opening device of the pressure vessel further comprises an annular gasket 7, the annular gasket 7 being arranged between the cover plate 5 and the mouth of the steaming cooker 1. Specifically, the upper end of the annular sealing gasket 7 is in sealing fit with the lower end of the cover plate pressing plate 5, and the lower end of the annular sealing gasket 7 is in sealing fit with the top end of the opening position of the grain steaming pot 1.

In this way, the annular sealing gasket 7 is arranged between the cover plate 5 and the opening position of the grain steaming pot 1, so that the sealing between the cover plate 5 and the opening position of the grain steaming pot 1 is realized, and the sealing performance of the opening position of the grain steaming pot 1 can be improved.

Alternatively, as shown in connection with fig. 2, the cover plate pressing plate 5 is connected with the grain steaming pot 1 by bolts, and a sealing plate 8 is arranged between the cover plate pressing plate 5 and the grain steaming pot 1.

Specifically, all be provided with the connecting hole on apron clamp plate 5, closing plate 8 and the steaming grain pot 1, closing plate 8 is located between apron clamp plate 5 and the steaming grain pot 1, and the bolt passes apron clamp plate 5, closing plate 8 and steaming grain pot 1 in proper order through this connecting hole from the top of apron clamp plate 5 after, and the lower extreme of bolt stretches out from steaming grain pot 1 and is connected with the nut.

So, be connected with evaporating grain pot 1 through the apron clamp plate 5 through the bolt, and be provided with closing plate 8 between apron clamp plate 5 and the evaporating grain pot 1 for closing plate 8 is connected with evaporating grain pot 1 through bolt 1's in-process, along with the screw of bolt, and apron clamp plate 5 presss from both sides closing plate 8 tightly, and in this way, apron clamp plate 5 and annular seal 7 form multistage sealedly, further improves the leakproofness between apron clamp plate 5 and the evaporating grain pot 1.

Optionally, the electric push rod 2 and the curved connecting rod 3 are hinged with the grain steaming pot 1 through oil-free bushings.

Specifically, the oil-free bushing has a characteristic of strong lubricating ability. During installation, the positions of the outer wall of the grain steaming pot 1, which correspond to the electric push rod 2 and the curved connecting rod 3, are respectively welded with an installation seat, the electric push rod 2, the curved connecting rod 3 and the installation seat are all provided with through holes, oil-free bushings are matched with the through holes, and the hinge between the electric push rod 2 and the installation seat and the hinge between the curved connecting rod 3 and the installation seat are realized through pin shafts.

Therefore, the electric push rod 2 and the curved connecting rod 3 are hinged with the grain steaming pot 1 through the oilless bushing, and therefore the electric push rod 2 and the curved connecting rod 3 rotate smoothly relative to the grain steaming pot 1, and abrasion of the electric push rod 1 and the curved connecting rod 3 is reduced.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides an automatic device that uncaps of pressure vessel for set up on evaporating grain pot (1), its characterized in that includes electric putter (2), bent type connecting rod (3), apron (4) and apron clamp plate (5), electric putter (2) articulate on evaporating grain pot (1) and with bent type connecting rod (3) drive connection, one end of bent type connecting rod (3) with evaporate grain pot (1) articulated, the other end with apron (4) transmission connection, electric putter (2) are used for through bent type connecting rod (3) drive apron (4) rotate, so that apron (4) are in evaporate the oral area of grain pot (1) with evaporate between the inside of grain pot (1), work as apron (4) reach evaporate when the oral area of grain pot (1), apron (4) with apron clamp plate (5) sealing connection.

2. The automatic cover opening device of the pressure container according to claim 1, further comprising a cover plate stop lever (6), wherein the cover plate stop lever (6) is connected with the inner wall of the grain steaming pot (1), the curved connecting rod (3) is hinged with the outer wall of the grain steaming pot (1), the cover plate (4) is rotationally connected with the curved connecting rod (3), the electric push rod (2) drives the cover plate (4) to rotate in place far away from the opening of the grain steaming pot (1) through the curved connecting rod (3), one end of the curved connecting rod (3) extending into the grain steaming pot (1) is located below the cover plate stop lever (6), and the cover plate stop lever (6) and the curved connecting rod (3) are clamped to be arranged on the cover plate (4).

3. The automatic cover opening device of the pressure container according to claim 2, wherein a protrusion (31) is arranged on one side of the curved connecting rod (3) facing the cover plate stop lever (6), the protrusion (31) extends along a direction away from the curved connecting rod (3), and when one end of the curved connecting rod (3) extending into the grain steaming pot (1) is positioned below the cover plate stop lever (6), the curved connecting rod (3) is clamped with the cover plate stop lever (6) through the protrusion (31) to be arranged on the cover plate (4).

4. The automatic cover opening device of the pressure container according to claim 1, wherein the cover plate pressing plate (5) is arranged along the opening edge of the grain steaming pot (1), a first inclined surface structure (51) facing the inside of the grain steaming pot (1) is arranged on the inner side of the cover plate pressing plate (5), a second inclined surface structure (41) is arranged on the cover plate (4), and when the electric push rod (2) drives the cover plate (4) to reach the opening of the grain steaming pot (1) through the curved connecting rod (3), the first inclined surface structure (51) is in matched sealing connection with the second inclined surface structure (41).

5. The automatic cover opening device of the pressure container according to claim 4, wherein a sealing ring (42) is arranged on the second inclined surface structure (41), and when the electric push rod (2) drives the cover plate (4) to reach the opening part of the grain steaming pot (1) through the curved connecting rod (3), the second inclined surface structure (41) is in sealing connection with the first inclined surface structure (51) through the sealing ring (42).

6. The automatic cover opening device for pressure vessels according to claim 5, wherein a groove (43) is provided on the second inclined surface structure (41), and the sealing ring (42) is embedded in the groove (43).

7. The automatic cover opening device of the pressure container according to claim 4, wherein the cover plate (4) is provided with a cover plate guide block (44), and the cover plate guide block (44) is in sliding fit with the first inclined surface structure (51) when the electric push rod (2) drives the cover plate (4) to rotate towards the opening of the grain steaming pot (1) through the curved connecting rod (3).

8. The automatic lid opening device for pressure vessels according to claim 1, further comprising an annular gasket (7), wherein the annular gasket (7) is arranged between the cover plate (5) and the mouth of the steaming cooker (1).

9. The automatic cover opening device of the pressure container according to claim 1, wherein the cover plate (5) is connected with the grain steaming pot (1) through bolts, and a sealing plate (8) is arranged between the cover plate (5) and the grain steaming pot (1).

10. The automatic cover opening device of the pressure container according to claim 1, wherein the electric push rod (2) and the curved connecting rod (3) are hinged with the grain steaming pot (1) through oil-free bushings.