CN108185804B

CN108185804B - High-safety steam box applied to high-temperature and high-pressure cooking of food

Info

Publication number: CN108185804B
Application number: CN201810157761.6A
Authority: CN
Inventors: 张勤
Original assignee: Liang Cangping
Current assignee: LU'AN YONGZHEN GRIZZLY ELECTRICAL AND MECHANICAL TECHNOLOGY Co.,Ltd.
Priority date: 2018-02-24
Filing date: 2018-02-24
Publication date: 2019-12-24
Anticipated expiration: 2038-02-24
Also published as: CN108185804A

Abstract

The invention discloses a high-safety steam box applied to high-temperature and high-pressure cooking of food, which comprises a steam box body, wherein the steam box body is used for accommodating articles to be fumigated at high temperature and high pressure and can bear high pressure, and a sealing cover is provided with an opening and closing mechanism which can be connected with a box body and can realize switching of the sealing cover between a locking state and an opening state; the opening and closing mechanism comprises a power input mechanism for receiving power, a power output mechanism for outputting the power received by the power input mechanism, and a power transmission mechanism for transmitting the power received by the power input mechanism to the power output mechanism; when the steam box is used for fumigating an object at high temperature and high pressure, the steam box is in a self-locking state, the sealing cover of the steam box cannot be opened under the condition of misoperation of an operator or mistaken touch of a switch, so that the operation risk is reduced, the pressure can be quickly reduced after the object is steamed, and the temperature and the taste of the object when the object is taken out are ensured.

Description

High-safety steam box applied to high-temperature and high-pressure cooking of food

Technical Field

The invention relates to cooking equipment, in particular to a high-pressure steam box which adopts high-pressure self-locking and can quickly reduce pressure.

Background

At present, a steam box is popularized and enters a common household to become a kitchen ware for daily life of people, the steam box has a plurality of purposes, can steam desserts and can also be used for steaming various dishes, nutrient components in the dishes can be completely reserved by the steam box, the steam box can not be opened in the high-temperature and high-pressure fumigating process of an object at present, at the moment, when an operator opens the steam box by mistake or mistake, high-pressure steam in an inner cavity of the steam box is instantly flushed out from an opening of the steam box, the flushed high-pressure steam causes injury to the operator, the instant release of the high-pressure steam possibly causes explosion, extremely serious safety accidents are easily caused, the cooling time of the high-pressure steam in the steam box after the food is steamed is longer, the food can be cooled along with the cooling of the high-pressure steam, and the taste is influenced.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the high-pressure steam box which is provided with a high-pressure protection device and can quickly reduce the pressure.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

the high-safety steam box applied to high-temperature and high-pressure cooking of food comprises a steam box body, wherein the steam box body is used for accommodating articles to be fumigated at high temperature and high pressure and can bear high pressure, the steam box body comprises a box body and a sealing cover hinged to the open end of the box body and used for sealing the open end of the box body, and an opening and closing mechanism which can be connected with the box body and can realize switching of the sealing cover between a locking state and an opening state is arranged on the sealing cover;

the opening and closing mechanism comprises a power input mechanism for receiving power, a power output mechanism for outputting the power received by the power input mechanism, and a power transmission mechanism for transmitting the power received by the power input mechanism to the power output mechanism;

a locking mechanism which is switched from a separation state to a high-temperature braking state when the inner cavity of the box body is under high pressure and is switched from the high-temperature braking state to the separation state when the inner cavity of the box body is under low pressure or normal pressure is also arranged between the box body and the sealing cover, and the locking mechanism comprises an active locking mechanism which is arranged outside the box body and communicated with the inner cavity of the box body and a passive locking mechanism which is arranged on the sealing cover and is matched with the active locking mechanism;

the sealing cover comprises a sealing cover body, a pair of clamping sleeves matched with the opening and closing mechanism is arranged on one side wall part of the sealing cover body, which is far away from the opening of the box body, the two clamping sleeves are coaxially arranged up and down, two insertion holes coaxial with the clamping sleeves are further formed in the sealing cover body, and insertion holes corresponding to the insertion holes are formed in the box body;

the sealing cover body is provided with a sealing part which extends towards the inner cavity of the box body and is provided with an inner cavity and can seal the opening of the box body, the cutting sleeve is arranged on one side wall part of the sealing part, which is far away from the opening of the box body, the jack which is coaxial with the cutting sleeve is arranged on the sealing part, and the jack is communicated with the inner cavities of the box body and the sealing part;

the power input mechanism comprises a handle for receiving external power, and the handle is provided with a clamping part matched with the power transmission mechanism;

the power transmission mechanism comprises a rotary table arranged on the sealing cover and connected with the handle, and connecting rods hinged with one side opposite to the rotary table respectively, wherein the connecting rods are a shorter connecting rod and a longer connecting rod respectively;

the power output mechanism comprises an inserted link, one end of the inserted link is hinged to one end, far away from the rotary table, of the connecting rod, the direction of a core line of the hinged shaft is perpendicular to the sealing cover, the inserted link is sleeved inside the clamping sleeve, one end, far away from the connecting rod, of the inserted link penetrates through the jack and can be inserted into the jack, a first elastic part is arranged between the inserted link and the clamping sleeve, and the elastic force of the first elastic part pushes the inserted link to be far away from the clamping sleeve along the axis direction of the inserted link and stretch out.

The technical scheme is further improved and optimized.

The card interface is pentagon or hexagon.

The technical scheme is further improved and optimized.

The bolt hole has been seted up on the inserted bar and between being located cutting ferrule and jack, and the bolt hole stretches out the bolt hole along the radial wall thickness that runs through the inserted bar of inserted bar, the bolt hole at the both ends that the bolt is matched with in the bolt hole and bolt, and elastic component one is compression spring, and the inserted bar is located to the compression spring cover outside, and compression spring's one end is contradicted bolt, the cutting ferrule is contradicted to the other end, and compression spring's elasticity promotes the inserted bar and keeps away from the cutting ferrule and stretch out to the jack outside along its axis direction.

The technical scheme is further improved and optimized.

The active locking mechanism comprises an air guide mechanism used for communicating an inner cavity of the box body and a trigger mechanism arranged in the air guide mechanism and used for switching between a trigger state and an unfired state, and the trigger mechanism comprises a trigger receiving mechanism for receiving power, a trigger output mechanism for outputting the power received by the trigger receiving mechanism and a trigger transmission mechanism for transmitting the power received by the trigger receiving mechanism to the trigger output mechanism.

The technical scheme is further improved and optimized.

The air guide mechanism comprises an air guide sleeve fixedly connected with the box body and provided with openings at two ends, the direction of the central axis of the air guide sleeve is vertical to the sealing cover in a locking state, one end of the air guide sleeve, which is far away from the sealing cover, is connected with an air guide pipe communicated with the inner cavity of the box body, and the inner cavity of the air guide sleeve is communicated with the inner cavity of the box body through the air guide pipe;

a threaded connecting piece is arranged between the air guide sleeve and the air guide pipe and is in threaded connection with the air guide sleeve, and the threaded connecting piece is communicated with the inner cavities of the air guide sleeve and the air guide pipe;

the air guide sleeve comprises an air guide sleeve body, an air guide sliding groove is formed in the end portion, far away from the air guide tube, of the air guide sleeve body, the extending direction of the air guide sliding groove is the same as the direction of the central axis of the air guide sleeve body, the air guide sliding groove radially penetrates through the wall portion of the air guide sleeve body, the wall portions, located on the two sides of the air guide sliding groove, of the air guide sleeve body are provided with guide sliding grooves which correspond to each other and extend along the radial direction of the air guide sleeve body, and the guide sliding grooves divide the air guide sliding groove into a.

The technical scheme is further improved and optimized.

The trigger mechanism is arranged in the inner cavity of the air guide sleeve, the trigger transmission mechanism of the trigger mechanism comprises an annular valve core which is matched with the inner cavity of the air guide sleeve and is fixedly connected with the air guide sleeve, the valve core divides the inner cavity of the air guide sleeve into a left cavity close to the connecting piece and a right cavity far away from the connecting piece, communication holes which are communicated with the left cavity and the right cavity are formed in the valve core, and a plurality of communication holes are arrayed along the circumferential direction of the valve core;

the trigger receiving mechanism comprises a valve rod coaxially sleeved inside a valve core, an external step is arranged at one end, located in a right cavity, of the valve rod, a pushing block is sleeved on the valve rod and close to the external step, the pushing block comprises a valve sleeve sleeved outside the valve rod, a sliding block which is matched with a right air guide chute and can slide along the guide direction of the air guide chute is arranged on one side, opposite to the circumferential surface of the valve sleeve, of the valve rod, pressing inclined planes are arranged at one ends, facing the valve core, of the two sliding blocks, the distance between the two pressing inclined planes is gradually reduced from the left cavity to the right cavity, the trigger receiving mechanism further comprises a sliding valve core fixedly sleeved outside the valve rod and located between the valve core and the pushing block, the sliding valve core comprises a cylindrical sealing valve sleeve which is fixedly sleeved outside the valve rod and matched with an inner cavity of the air guide sleeve, a pressing boss fixedly connected with the sealing valve sleeve is located between the The valve rod is arranged into an extrusion inclined plane, an elastic piece II is arranged between the valve rod and the valve core, and the elastic force of the elastic piece II pushes the valve rod to be far away from the valve core along the axis direction of the valve rod;

the end part of the valve rod, which is positioned in the left cavity, is coaxially and fixedly sleeved with a resisting block, the resisting block protrudes out of the circumferential surface of the valve rod, the second elastic part is a spiral spring, the spiral spring is sleeved outside the valve rod, one end of the spiral spring is abutted against the resisting block, the other end of the spiral spring is abutted against the valve core, and the elastic force of the spiral spring pushes the valve rod to be far away from the valve core along the axis direction of;

the trigger output mechanism comprises a clamping plate arranged between the sliding valve core and the pushing block, the clamping plate is arranged oppositely along the radial direction of the air guide sleeve, a protruding piece which is matched with the guide chute and can drive the clamping plate to slide along the guide direction of the guide chute is arranged on the clamping plate, the clamping plate further comprises an upper guide inclined plane and a lower guide inclined plane, the upper guide inclined plane is parallel to the lower guide inclined plane, the upper guide inclined plane is matched with the pressure application inclined plane, and the lower guide inclined plane is matched with the extrusion inclined plane.

The technical scheme is further improved and optimized.

The passive locking mechanism comprises a lock catch, the lock catch comprises a pinch plate fixedly connected with the sealing cover and fastening plates vertically arranged on two sides of the pinch plate and extending towards the locking mechanism, and the free end parts of the fastening plates are arranged to be matched with a clamping plate deviating from the center of the valve rod and lock the sealing cover by the locking mechanism.

Compared with the prior art, the invention has the beneficial effects that: when the steam box is used for fumigating an object at high temperature and high pressure, the steam box is in a self-locking state, the sealing cover of the steam box cannot be opened under the condition of misoperation of an operator or mistaken touch of a switch, so that the operation risk is reduced, the pressure can be quickly reduced after the object is steamed, and the temperature and the taste of the object when the object is taken out are ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a schematic structural view of the sealing cover and the opening and closing mechanism of the present invention.

Fig. 5 is a schematic structural view of the sealing cover of the present invention.

Fig. 6 is a schematic structural view of the opening and closing mechanism of the present invention.

Fig. 7 is a partial structural schematic view of the opening and closing mechanism of the present invention.

Fig. 8 is a schematic view of the turntable structure of the present invention.

Fig. 9 is a schematic structural diagram of the active locking mechanism of the present invention.

Fig. 10 is a schematic structural diagram of the passive locking mechanism of the present invention.

Fig. 11 is a schematic view of the structure of the air guide sleeve of the present invention.

Fig. 12 is a partial structural schematic view of the active locking mechanism of the present invention.

Fig. 13 is a partial structural schematic view of the active locking mechanism of the present invention.

FIG. 14 is a schematic diagram of a card-receiving structure according to the present invention.

FIG. 15 is a schematic view of a pusher block structure according to the present invention.

Fig. 16 is a schematic structural view of the pressure reducing mechanism of the present invention.

Fig. 17 is a schematic structural view of the pressure reducing mechanism of the present invention.

Fig. 18 is a schematic structural view of the switch mechanism of the present invention.

Fig. 19 is a schematic view of the gas cartridge according to the present invention.

Fig. 20 is a schematic structural view of the switch mechanism of the present invention.

Fig. 21 is a schematic structural diagram of the control mechanism of the present invention.

Fig. 22 is a partial structural schematic view of the control mechanism of the present invention.

Fig. 23 is a partial structural schematic view of the control mechanism of the present invention.

Fig. 24 is a partial structural view of the kinetic energy receiving mechanism of the present invention.

Figure 25 is a cross-sectional view of a mating member of the present invention.

Fig. 26 is a schematic structural view of the kinetic energy storage mechanism of the present invention.

Fig. 27 is a schematic structural diagram of a control mechanism of the present invention.

Fig. 28 is a structural schematic view of the detent mechanism of the present invention.

Fig. 29 is a schematic structural view of a trigger switch mechanism of the present invention.

FIG. 30 is a schematic view of the structure of the reaction mechanism of the present invention.

FIG. 31 is a schematic view of the structure of the reaction mechanism of the present invention.

Fig. 32 is a schematic structural view of the trigger transmitting mechanism of the present invention.

Fig. 33 is a schematic structural view of the trigger transmitting mechanism of the present invention.

Detailed Description

As shown in fig. 1-2, the high-safety steam box applied to high-temperature and high-pressure steaming of food comprises a steam box body 10, wherein the steam box body 10 is used for accommodating articles to be fumigated at high temperature and high pressure and can bear high pressure, the steam box body 10 comprises a box body 110 and a sealing cover 120 hinged to an opening end of the box body 110 and used for sealing an opening of the box body 110, and an opening and closing mechanism 20 which can be connected with the box body 110 and can realize switching of the sealing cover 120 between a locking state and an opening state is arranged on the sealing cover 120.

As shown in fig. 5, the sealing cover 120 includes a sealing cover body 121, a pair of clamping sleeves 122 matched with the opening and closing mechanism 20 is disposed on a side wall portion of the sealing cover body 121 away from the opening of the box body 110, the two clamping sleeves 122 are coaxially disposed from top to bottom, two insertion holes 123 coaxial with the clamping sleeves 122 are further disposed on the sealing cover body 121, and the box body 110 is provided with insertion holes corresponding to the insertion holes 123.

More optimally, in order to enhance the sealing performance of the sealing cover 120, a sealing portion which extends towards the inner cavity of the box body 110 and is provided with an inner cavity and can seal the opening of the box body 110 is arranged on the sealing cover body 121, the ferrule 122 is arranged on a side wall portion of the sealing portion departing from the opening of the box body 110, a jack 123 coaxial with the ferrule 122 is arranged on the sealing portion, and the jack 123 is communicated with the inner cavities of the box body 110 and the sealing portion.

As shown in fig. 4 and 6-8, the opening and closing mechanism 20 includes a power input mechanism for receiving power, a power output mechanism for outputting the power received by the power input mechanism, and a power transmission mechanism for transmitting the power received by the power input mechanism to the power output mechanism, the power input mechanism receives external power and transmits the external power to the power output mechanism through the power transmission mechanism, when the power input mechanism receives the external power, the power input mechanism controls the power output mechanism through the power transmission mechanism and controls the sealing cover 120 to switch from the locking state to the opening state through the power output mechanism, and when the power input mechanism stops receiving the external power, the sealing cover 120 switches from the opening state to the locking state through the power output mechanism.

Specifically, the power input mechanism includes a handle 210, the handle 210 is used for receiving external power, and the handle 210 is provided with a clamping portion matched with the power transmission mechanism.

The power transmission mechanism comprises a rotary table 220 which is arranged in an inner cavity of the sealing part and connected with a handle 210, two ends of the rotary table 220 are respectively hinged with a connecting rod 230, a hinged shaft core line is perpendicular to the sealing cover 120, a clamping interface matched with the clamping part is formed in the center of the rotary table 220, the handle 210 is connected with the rotary table 220 through the matching of the clamping part and the clamping interface, the clamping interface has various expression forms, such as pentagon and hexagon, in the invention, the following scheme is preferably adopted, the shape of the clamping interface is square, the clamping part matched with the clamping interface is also square, the handle 210 is pushed, and the handle 210 controls the rotary table 220 to rotate around the axis of the handle 220 and drives the two connecting rods 230 to move oppositely.

The power output mechanism includes a plunger 240, one end of the plunger 240 is hinged to one end of the connecting rod 230 far away from the turntable 220, the core line direction of the hinged shaft is perpendicular to the sealing cover 120, the plunger 240 is sleeved inside the sleeve 122, one end of the plunger 240 far away from the connecting rod 230 passes through the insertion hole 123 and can be inserted into the insertion hole, a first elastic member is arranged between the plunger 240 and the sleeve 122, and the elastic force of the first elastic member pushes the plunger 240 to be far away from the sleeve 122 along the axis direction thereof and to extend out of the insertion hole 123.

Preferably, a plug hole is formed in the plunger 240 and located between the ferrule 122 and the plug hole 123, the plug hole radially penetrates through the wall thickness of the plunger 240 along the plunger 240, the plug 260 is matched in the plug hole, two ends of the plug 260 extend out of the plug hole, the first elastic element is a compression spring 250, the compression spring 250 is sleeved outside the plunger 240, one end of the compression spring 250 abuts against the plug 260, the other end of the compression spring abuts against the ferrule 122, and the elastic force of the compression spring 250 pushes the plunger 240 to be away from the ferrule 122 along the axial direction and extend out of the plug hole 123.

The process of switching the sealing cover 120 from the locking state to the opening state, the handle 210 is rotated, the handle 210 drives the rotating disc 220 to rotate around the axis of the handle 210 through the clamping portion, the rotating disc 220 drives the two connecting rods 230 to move towards each other and contract towards the center of the rotating disc 220, the connecting rods 230 pull the inserted rods 240 to separate from the inserting holes, meanwhile, the free ends of the inserted rods 240 separate from the inserting holes, the compression springs 250 are compressed and contracted by the bolts 260 and the clamping sleeves 122 to accumulate elastic potential energy, at the moment, the sealing cover 120 can be freely rotated and the opening size of the box body 110 is controlled, the acting force pushing the handle 210 is removed, the elastic potential energy accumulated by the compression springs 250 is released, and the compression springs 250 push the inserted rods 240 to deviate from the clamping sleeves 122 along.

The process of switching the sealing cover 120 from the open state to the locked state, the handle 210 is rotated, the handle 210 drives the rotating disc 220 to rotate around the axis of the handle 210 through the clamping portion, the rotating disc 220 drives the two connecting rods 230 to move oppositely and contract towards the center of the rotating disc 220, the connecting rods 230 pull the free end portions of the inserted rods 240 to retract into the insertion holes 123, the compression springs 250 are squeezed and contracted by the inserted pins 260 and the clamping sleeves 122 to accumulate elastic potential energy, at the moment, the sealing cover 120 is rotated freely and the opening of the box body 110 is sealed, the acting force for pushing the handle 210 is removed, the elastic potential energy accumulated by the compression springs 250 is released, and the compression springs 250 push the inserted rods 240 to deviate from the clamping sleeves 122 along the extending.

In order to prevent the above situation, the present invention further designs a safety protection mechanism, specifically, the safety protection mechanism is a locking mechanism 30 disposed between the box body 110 and the sealing cover 120, wherein the locking mechanism is a locking mechanism 30, and the locking mechanism is disposed between the box body 110 and the sealing cover 120.

The locking mechanism 30 is connected to the inner cavity of the box body 110, when the inner cavity of the box body 110 is in a high pressure state, the locking mechanism 30 can be switched from a separated state to a high temperature braking state, and the box body 110 and the sealing cover 120 can be locked, and when the inner cavity of the box body 110 is in a normal pressure state, the locking mechanism 30 can be switched from the high temperature braking state to the separated state, and the box body 110 and the sealing cover 120 can be separated.

As shown in fig. 9-11, the locking mechanism 30 includes an active locking mechanism 310 disposed outside the case 10 and communicated with the inner cavity of the case 110, and a passive locking mechanism 320 disposed on the sealing cover 120 and engaged with the active locking mechanism 310, when the inner cavity of the case 110 is in a high pressure state, the active locking mechanism 310 can receive a high pressure air source in the inner cavity of the case 10 as power to switch the locking mechanism 30 from the separated state to the high temperature braking state and lock the case 110 and the sealing cover 120, and when the inner cavity of the case 110 is in a normal pressure state, the active locking mechanism 310 is separated from the passive locking mechanism 320 and switch the locking mechanism 30 from the high temperature braking state to the separated state and separate the case 110 and the sealing cover 120.

The active locking mechanism 310 includes an air guide mechanism for communicating the inner cavity of the box body 110, and a trigger mechanism disposed in the air guide mechanism and used for switching between a triggered state and an un-triggered state, the trigger mechanism includes a trigger receiving mechanism for receiving power, a trigger output mechanism for outputting the power received by the trigger receiving mechanism, and a trigger transmission mechanism for transmitting the power received by the trigger receiving mechanism to the trigger output mechanism, when the inner cavity of the box body 110 is in a high-pressure state, the high-pressure gas triggers the trigger mechanism through the air guide mechanism, the high-pressure gas pushes the trigger receiving mechanism to extrude the trigger output mechanism and realize locking of the trigger output mechanism and the passive locking mechanism 320, when the inner cavity of the box body 110 is in a normal-pressure state, the trigger receiving mechanism pulls the trigger transmission mechanism, the trigger output mechanism resets, and the trigger output mechanism is.

The air guide mechanism comprises an air guide sleeve 313 which is fixedly connected with the box body 110 and is provided with two open ends, the central axis direction of the air guide sleeve 313 is vertical to the sealing cover 120 in a locking state, one end of the air guide sleeve 313, which is far away from the sealing cover 120, is connected with an air guide pipe 311 communicated with the inner cavity of the box body 110, and the inner cavity of the air guide sleeve 313 is communicated with the inner cavity of the box body 110 through the air guide pipe 311.

Preferably, a threaded connecting piece 312 is arranged between the air guide sleeve 313 and the air guide tube 311, the threaded connecting piece 312 is in threaded connection with the air guide sleeve 313, the threaded connecting piece 312 is communicated with the inner cavities of the air guide sleeve 313 and the air guide tube 311, and the threaded connecting piece 312 has the advantages of simple structure, reliable connection, convenience in assembly and disassembly and the like.

Air guide sleeve 313 comprises an air guide sleeve body 313a, an air guide chute 313b is formed in the end portion, far away from air guide tube 311, of air guide sleeve body 313a, the extending direction of air guide chute 313b is the same as the central axis direction of air guide sleeve body 313a, air guide chute 313b radially penetrates through the wall portion of air guide sleeve body 313a along the air guide sleeve body 313a, guide chutes 313c which correspond to each other and radially extend along air guide sleeve body 313a are arranged on the wall portion, located on the two sides of air guide chute 313b, of air guide sleeve body 313a, and guide chutes 313c divide air guide chute 313b into a left air guide chute close to air guide tube 311 and a right air guide chute far away.

As shown in fig. 12 to 15, the triggering mechanism is disposed in the inner cavity of the air guide sleeve 313, the triggering transmission mechanism of the triggering mechanism includes an annular valve core 316 matched with the inner cavity of the air guide sleeve 313 and fixedly connected with the air guide sleeve 313, the valve core 316 divides the inner cavity of the air guide sleeve 313 into a left chamber close to the connecting piece 312 and a right chamber far from the connecting piece 312, and communication holes communicating the left chamber and the right chamber are formed in the valve core 316, and preferably, a plurality of communication holes are arranged in an array along the circumferential direction of the valve core 316.

The trigger receiving mechanism comprises a valve rod coaxially sleeved inside the valve core 316, an external step is arranged at one end part of the valve rod positioned in the right chamber, a pushing block 319 is sleeved on the valve rod close to the external step, the pushing block 319 comprises a valve sleeve 319a sleeved outside the valve rod, a sliding block 319b matched with the right air guide chute and capable of sliding along the guide direction of the air guide chute 313b is arranged at one side opposite to the circumferential surface of the valve sleeve 319a, a pressing inclined plane is arranged at one end of the two sliding blocks 319b facing the valve core 316, the distance between the two pressing inclined planes is gradually reduced from the left chamber to the right chamber, the trigger receiving mechanism further comprises a valve core sliding 317 fixedly sleeved outside the valve rod and positioned between the valve core 316 and the pushing block 319, the sliding valve core 317 comprises a cylindrical sealing valve sleeve fixedly sleeved outside the valve rod and matched with the inner cavity of, And a pressure boss fixedly connected with the sealing valve sleeve, wherein the pressure boss is positioned between the sealing valve sleeve and the pushing block 319, the surface of the pressure boss corresponding to the pressure inclined surface of the pushing block 319 is provided with a squeezing inclined surface, a second elastic element is arranged between the valve rod and the valve core 316, and the elastic force of the second elastic element pushes the valve rod to be far away from the valve core 316 along the axial direction of the second elastic element.

Preferably, the end of the valve rod located in the left chamber is coaxially and fixedly sleeved with a resisting block 314, the resisting block 314 protrudes out of the circumferential surface of the valve rod, the second elastic member is a spiral spring 315, the spiral spring 315 is sleeved outside the valve rod, one end of the spiral spring 315 is abutted against the resisting block 314, the other end of the spiral spring 315 is abutted against the valve core 316, and the elastic force of the spiral spring 315 pushes the valve rod to be away from the valve core 316 along the axial direction thereof.

The trigger output mechanism comprises two clamping plates 318 arranged between a sliding valve core 317 and a pushing block 319, the two clamping plates 318 are oppositely arranged along the radial direction of the air guide sleeve 313, a protruding piece which is matched with the guide sliding groove 313c and can drive the clamping plates 318 to slide along the guide direction of the guide sliding groove 313c is arranged on the clamping plates 318, the clamping plates 318 further comprise an upper guide inclined plane and a lower guide inclined plane, the upper guide inclined plane is parallel to the lower guide inclined plane, the upper guide inclined plane is matched with the pressure applying inclined plane, the lower guide inclined plane is matched with the extrusion inclined plane, the upper guide inclined plane can receive the acting force of the pressure applying inclined plane and can drive the clamping plates 318 to move towards the center of the valve rod along the guide direction of the guide sliding; the lower guide inclined surface can receive the acting force of the pressing boss and realize that the pressing boss drives the clamping plates 318 to move away from the center of the valve rod along the guide direction of the guide sliding groove 313c, the clamping plates 318 are pushed by the pressing inclined surface of the sliding valve core 317 and move away from each other along the radial direction of the valve rod under the guide action of the guide sliding groove 313c, and the clamping plates 318 are pushed by the pressing inclined surface of the pushing block 319 and move close to each other along the radial direction of the valve rod under the guide action of the guide sliding groove 313 c.

The passive locking mechanism 320 includes a latch, and the latch cooperates with the two engagement plates 318 to control the locking mechanism 30 to switch between the separated state and the high-temperature braking state, specifically, the latch includes a buckle plate fixedly connected to the sealing cover 120, and fastening plates vertically disposed on both sides of the buckle plate and extending toward the locking mechanism 30, and free ends of the fastening plates are configured to match with the engagement plates 318 deviated from the center of the valve stem and to lock the sealing cover 120 by the locking mechanism 30.

When the inner cavity of the box 110 is in a high-pressure state, the high-pressure steam pushes the sliding valve core 317 to move towards the direction close to the snap-in plate 318 along the central axis direction of the valve rod, the sliding valve core 317 drives the abutting block 314 to move towards the direction close to the valve core 316 along the central axis direction of the valve rod through the valve rod, the spiral spring 315 is squeezed and contracted by the valve core 316 and the abutting block 314 to accumulate elastic potential energy, the sliding valve core 317 squeezes the snap-in plate 318 to enable the two snap-in plates 318 to move away from each other along the radial direction of the air guide sleeve 313 under the guiding action of the guide sliding groove 313c, meanwhile, the two snap-in plates 318 are locked with the lock catch, and.

When the inner cavity of the box body 110 is in a normal pressure state, the elastic potential energy accumulated by the coil spring 315 is released, the elastic force of the coil spring 315 drives the valve rod to move towards the direction away from the valve core 316 along the axis direction through the abutting block 314, the valve rod pushes the pushing block 319 to extrude the clamping plates 318 through the external step, the two clamping plates 318 are extruded by the pushing block 319 and move close to each other along the radial direction of the air guide sleeve 313 under the guiding action of the guide sliding groove 313c, the clamping plates 318 are separated from the lock catch, and the locking mechanism 30 is switched from a high-temperature braking state to a separation state.

When the steam generation in the box body 110 is stopped or the steam injection into the box body 110 is stopped, the high-pressure steam in the inner cavity of the box body 110 is gradually cooled and depressurized along with the increase of time, but the automatic cooling time of the high-pressure steam is long, a large amount of time is consumed by people, and the steamed articles in the box body 110 are also cooled along with the high-pressure steam in the inner cavity of the box body 110 in the cooling and depressurization process, so that the taste is influenced.

When the articles in the inner cavity of the box body 110 are steamed, the inner cavity of the box body 110 is still in a high-pressure state, at the moment, the handle 210 is rotated, the handle 210 drives the turntable 220 to rotate around the axis of the handle 210 through the clamping part, the turntable 220 drives the two connecting rods 230 to move back and forth and to be away from the center of the turntable 220, the connecting rods 230 push the inserted rods 240 to deviate from the cutting sleeves 122 along the extending direction of the inserted rods and realize that the free ends of the inserted rods 240 extend out of the insertion holes 123, the free ends of the inserted rods 240 trigger the pressure reducing mechanism 40, then the handle 210 is rotated reversely, the connecting rods 230 pull the inserted rods 240 to return to the original position, the pressure reducing mechanism 40 carries out rapid pressure reduction on the inner cavity of the box body 110, when the inner cavity of the box body 110 is reduced to normal temperature and normal pressure, the locking mechanism 30 is switched from a high-, the connecting rod 230 pulls the inserting rod 240 to be separated from the inserting hole, the compression spring 250 is compressed and contracted by the inserting pin 260 and the clamping sleeve 122 to accumulate elastic potential energy, at the moment, the sealing cover 120 can be freely rotated and the opening size of the box body 110 is controlled, and the high-pressure fumigated articles are taken out from the inner cavity of the box body 110.

As shown in fig. 6, the connecting rods 230 on both ends of the rotary plate 220 are different in length and are respectively a shorter connecting rod and a longer connecting rod, the handle 210 is rotated, the shorter connecting rod moves away from the longer connecting rod and is away from the center of the rotary plate 220, the shorter connecting rod pushes the plunger 240 to deviate from the ferrule 122 along the extending direction thereof and realize that the free end of the plunger 240 extends out of the insertion hole 123, and the free end of the plunger 240 extending out of the insertion hole 123 triggers the pressure reducing mechanism 40.

As shown in fig. 16 to 17, the pressure reducing mechanism 40 includes a mounting bracket 410 fixedly connected to the box body 110, an air duct network 420 for guiding air and communicating with an inner cavity of the box body 110 is disposed on the mounting bracket 410, a switch mechanism 430 for switching between an on state and an off state and a trigger switch mechanism 450 for switching between an activated state and an inactivated state are disposed on the air duct network 420, a control mechanism 440 for controlling the switch mechanism 430 to switch between the on state and the off state is further disposed on the air duct network 420, and the switch mechanism 430, the control mechanism 440 and the trigger switch mechanism 450 are all fixedly disposed on the mounting bracket 410 and are all communicated with the air duct network 420.

When the articles are steamed, the inner cavity of the box body 110 is in a high-pressure state, the locking mechanism 30 is in a high-temperature braking state, the trigger switch mechanism 450 is in an unexcited state, the switch mechanism 430 is in a closed state, the handle 210 is rotated, the free end of the inserted rod 240 excites the trigger switch mechanism 450, the trigger switch mechanism 450 is switched from the unexcited state to an excited state, high-pressure steam circulates in the air guide pipe network 420, the high-pressure steam pushes the control mechanism 440 to switch the switch mechanism 430 from the closed state to the open state, the handle 210 is rotated reversely, the inserted rod 240 retracts into the inserting hole, the trigger switch mechanism 450 is switched from the excited state to the unexcited state, the high-pressure steam further pushes the control mechanism 440 and controls the switch mechanism 430 to keep the open state through the air guide pipe network 420 via the switch mechanism 430, the high-pressure steam is discharged through the air guide pipe network 420 communicated with the, the switch mechanism 430 is switched from the on state to the off state, the locking mechanism 30 is switched from the high-temperature braking state to the off state, the handle 210 is rotated, the sealing cover 120 is switched from the locking state to the opening state, the sealing cover 120 is rotated, and the high-pressure fumigated article is taken out from the inner cavity of the box body 110.

As shown in fig. 18 to 20, the switch mechanism 430 includes an air cylinder 433 fixedly connected to the mounting frame 410, a central axis of the air cylinder 433 is perpendicular to a horizontal plane, an air cylinder cap 434 sealing an inner cavity of the air cylinder 433 is disposed on a top of the air cylinder 433, a connection nozzle a and a connection nozzle b communicating with the inner cavity of the air cylinder 433 are disposed on a bottom of the air cylinder 433, a valve mechanism controlling the switch mechanism 430 to switch between an on state and an off state is disposed in the inner cavity of the air cylinder 433, when the valve mechanism controlling the switch mechanism 430 is switched from the off state to the on state, the connection nozzle a communicates with the connection nozzle b through the inner cavity of the air cylinder 433, and when the valve mechanism controlling the switch mechanism 430 is switched from the on state to the off state, the connection nozzle a and the connection nozzle b are in an.

The valve mechanism comprises a threaded rod 431 which is coaxially arranged with the gas cylinder 433 and penetrates through the inner part of the gas cylinder cover 434, the threaded rod 431 can rotate around the axis of the threaded rod 431, one end of the threaded rod 431 is positioned in the inner cavity of the gas cylinder 433, the other end of the threaded rod 431 is positioned outside the gas cylinder 433, and one end of the threaded rod 431 positioned in the inner cavity of the gas cylinder 433 is connected with a piston 435 which is matched with the inner cavity of the gas cylinder 433 and can move along the central axis direction of the gas cylinder 433.

When the threaded rod 431 receives external acting force and realizes rotation around the axis of the threaded rod 431, the threaded rod 431 vertically moves upwards along the direction of the central axis of the threaded rod 431 and drives the piston 435 to vertically move upwards along the direction of the central axis of the gas cylinder 433, the switch mechanism 430 is switched to the on state from the off state, the connection nozzle a is communicated with the connection nozzle b through the inner cavity of the gas cylinder 433, when the power output part 432 drives the threaded rod 431 to reversely rotate around the axis of the threaded rod 431, the threaded rod 431 vertically moves downwards along the direction of the central axis of the threaded rod 431 and drives the piston 435 to vertically move downwards along the direction of the central axis of the gas cylinder 433, the switch mechanism 430 is switched to the off state from the on state.

As shown in fig. 29-33, the trigger switch mechanism 450 includes a reaction mechanism 451 for controlling the trigger switch mechanism 450 to switch between an activated state and an inactivated state, the reaction mechanism 451 includes a trigger housing 451a having an inner cavity, the central axis direction of the inner cavity of the trigger housing 451a is perpendicular to the sealing cover 120 in the locked state, one end of the trigger housing 451a is provided with a trigger cover 451f for sealing the inner cavity of the trigger housing 451a, the other end of the trigger housing 451a is provided with a connection nozzle c451b and a connection nozzle d451e for communicating with the inner cavity of the trigger housing 451a, the inner cavity of the trigger housing 451a is provided with a blocking mechanism for switching between the blocking state and the unblocking state, when the blocking mechanism is switched from the blocking state to the unblocking state by an external force, the connection nozzle c451b is communicated with the connection nozzle d451e through the inner cavity of the trigger housing 451a, when the blocking mechanism is switched from the unblocking state to the blocking, the connection nozzle c451b is disconnected from the connection nozzle d451 e.

The blocking mechanism comprises a movable valve element 451d which is arranged in the inner cavity of the trigger housing 451a and is coaxial with the inner cavity of the trigger housing 451a, the movable valve element 451d is arranged through the trigger cover 451f, the movable valve element 451d comprises a rod section which is coaxial with the inner cavity of the trigger housing 451a, one end of the rod section of the movable valve element 451d is arranged in the inner cavity of the trigger housing 451a, the other end is arranged outside the trigger housing 451a, one end of the rod section of the movable valve element 451d, which is arranged in the inner cavity of the trigger housing 451a, is arranged to be a cylindrical boss matched with the inner cavity of the trigger housing 451a, the movable valve element 451d can move along the central axis direction of the inner cavity of the trigger housing 451a under the action of external force, when the movable valve element 451d moves along the central axis direction of the inner cavity of the trigger housing 451a towards the direction far away from the connecting nozzle 451c 451b under, when the movable valve element 451d is moved by an external force in a direction approaching the connection nozzle c451b along the center axis of the inner cavity of the trigger case 451a, the trigger switch mechanism 450 is switched from the activated state to the inactivated state.

Preferably, a third elastic member is provided between the cover plate 451f and the movable valve element 451d, and the elastic force of the third elastic member pushes the movable valve element 451d to approach the connection mouth c451b in the axial direction thereof, so that the closing mechanism is kept in the normally closed state.

More optimally, the third elastic element is a return spring 451c, the return spring 451c is sleeved outside the rod section of the movable valve element 451d, one end of the return spring 451c abuts against the cover plate 451f, the other end of the return spring 451c abuts against the cylindrical boss of the movable valve element 451d, and the elastic force of the return spring 451c pushes the movable valve element 451d to be close to the connecting nozzle c451b along the axis direction thereof.

More perfectly, the external force providing the movement of the movable valve element 451d is the insertion rod 240 hinged to the shorter connection rod, a trigger transmission mechanism 452 for transmitting the power provided by the insertion rod 240 to the movable valve element 451d is arranged between the insertion rod 240 and the movable valve element 451d, the trigger transmission mechanism 452 includes a transmission housing 452a which is fixedly connected to the box body 110 and is located above the insertion hole and has two open ends, the extending direction of the inner cavity of the transmission housing 452a coincides with the central axis direction of the inner cavity of the trigger housing 451a, the inner cavity of the transmission housing 452a is provided with a force-receiving valve element 452b which is matched with the transmission housing 452a and can move along the central axis direction of the inner cavity of the trigger housing 451a, one end of the force-receiving valve element 452b close to the movable valve element 451d is hinged to one end of the movable valve element 451d extending out of the trigger housing 451a, the central axis direction of the hinge shaft is perpendicular to the horizontal plane, the center of the force-receiving A stress inclined plane, the distance between the stress inclined plane and the top cavity wall of the transmission housing 452a gradually increases from the top to the bottom, a through hole penetrating the wall thickness of the transmission housing 452a and coaxial with the plug hole is formed in the cavity wall of the transmission housing 452a below the stress inclined plane, a stress rod 452d is coaxially sleeved in the through hole, one end of the stress rod 452d is positioned in the inner cavity of the transmission housing 452a and extends into the stress cavity, the other end of the stress rod is inserted into the plug hole, a pushing inclined plane matched with the stress inclined plane is arranged at one end of the stress rod 452d positioned in the inner cavity of the transmission housing 452a, an elastic member IV is arranged between the transmission housing 452a and the stress rod 452d, the elastic force of the elastic member IV pushes the stress rod 452d to deviate from the stress inclined plane along the axis direction of the elastic member IV, and when the stress rod 452d overcomes, the stressed valve core 452b pulls the movable valve core 451d to move towards the trigger transmission mechanism 452; when the acting force applied to the force bearing rod 452d is removed, the elastic member IV releases elastic potential energy and pushes the force bearing rod 452d to reset, and the movable valve core 451d moves towards the bottom of the inner cavity groove of the trigger shell 451a under the action of the elastic member III and realizes the reset.

Preferably, one end of the stress rod 452d located in the insertion hole is provided with a limiting boss 452c, the elastic element four is a power spring 452e, the power spring 452e is sleeved outside the stress rod 452d, one end of the power spring 452e abuts against the transmission housing 452a, the other end of the power spring 452e abuts against the limiting boss 452c, and the elastic force of the power spring 452e pushes the stress rod 452d to deviate from the stress inclined plane along the axis direction thereof.

When the trigger switch mechanism 450 is switched from the non-excited state to the excited state, the handle 210 is rotated, the plunger 240 is away from the ferrule 122 along the axial direction thereof and pushes the force-bearing rod 452d to move vertically upwards, the force-bearing rod 452d drives the limit boss 452c to move vertically upwards and presses the power spring 452e to enable the power spring 452e to accumulate elastic potential energy, the push inclined surface of the force-bearing rod 452d presses the force-bearing inclined surface of the force-bearing valve core 452b and enables the force-bearing valve core 452b to move along the central axis direction of the inner cavity of the trigger housing 451a towards the direction away from the trigger housing 451a, the force-bearing valve core 452b drives the movable valve core 451d to move along the central axis direction of the inner cavity of the trigger housing 451a towards the direction away from the connection nozzle c451b, and the movable valve core 451.

When the trigger switch mechanism 450 is switched from the excited state to the non-excited state, the handle 210 is rotated in a reverse direction, the plunger 240 retracts to the original position along the axial direction thereof, the elastic potential energy accumulated by the power spring 452e is released, the power spring 452e pushes the stressed rod 452d to move towards the direction close to the plunger 240 along the axial direction thereof, the elastic potential energy accumulated by the return spring 451c is released, the elastic force of the return spring 451c pushes the movable valve core 451d to move towards the direction close to the connecting nozzle c451b along the axial direction thereof and isolates the connecting nozzle c451b, the connecting nozzle d451e from communicating with the inner cavity of the trigger housing 451a, and the movable valve core 451d drives the stressed valve core 452b to move towards the direction close to the connecting nozzle c451b along the central axis direction of the inner cavity of the trigger housing.

As shown in fig. 21, the control mechanism 440 includes a kinetic energy receiving mechanism 442 for receiving the high-pressure steam as the driving energy, a kinetic energy output mechanism 446 for outputting the kinetic energy received by the kinetic energy receiving mechanism, a kinetic energy storage mechanism 444 for storing and reusing the kinetic energy, and a control release mechanism 443 for controlling the kinetic energy storage mechanism to release the kinetic energy.

The kinetic energy output mechanism 446 includes a rotating shaft rotatable around its axis, and the central axis direction of the rotating shaft is parallel to the sealing cover 120 in the locked state.

As shown in fig. 22 to 25, the kinetic energy receiving mechanism 442 includes a kinetic energy receiving bracket with a cavity fixedly connected to the mounting bracket 410, the rotating shaft is coaxially sleeved inside the kinetic energy receiving bracket and penetrates through two ends of the kinetic energy receiving bracket in the axial direction, the kinetic energy receiving bracket includes a kinetic energy receiving bracket a442b fixedly connected to the mounting bracket 410, and a kinetic energy receiving bracket b442a cooperating with the kinetic energy receiving bracket a442b, an exhaust nozzle communicating with the cavity of the kinetic energy receiving bracket is disposed at the top of the kinetic energy receiving bracket a442b, a connecting nozzle e442d and a connecting nozzle f442e communicating with the cavity of the kinetic energy receiving bracket are further disposed on the kinetic energy receiving bracket a442b, a drain nozzle communicating with the cavity of the kinetic energy receiving bracket is disposed at the bottom of the kinetic energy receiving bracket b442a, a rotating blade 442c for receiving kinetic energy of high-pressure steam is coaxially sleeved in the interior of the kinetic energy, the rotary blade 442c is driven by the high pressure steam to rotate around its axis and drive the rotary shaft to rotate around its axis, and a kinetic energy transmission mechanism for transmitting the power of the rotary shaft to the threaded rod 431 and driving the threaded rod 431 to rotate around its axis is provided between the rotary shaft and the threaded rod 431.

The kinetic energy transmission mechanism comprises a power output part 432, the power output part 432 is arranged at one end of the threaded rod 431 outside the gas cylinder 433 and can drive the threaded rod 431 to rotate around the axis of the power output part 432, and the rotating shaft can transmit rotating force to the power output part 432 and drive the threaded rod to rotate around the axis of the power output part 432.

More perfectly, above-mentioned kinetic energy transfer mechanism is a turbine worm mechanism, power take off part 432 be the turbine and coaxial the cover locate the outside of threaded rod 431, the rotation axis sets up to the worm near the one end of threaded rod 431, the worm can transmit the power of rotation axis to threaded rod 431 and promote threaded rod 431 to rotate around self axis with the turbine cooperation.

As shown in fig. 26, the kinetic energy storage mechanism 444 includes a storage holder 444a having a cavity and fixedly connected to a kinetic energy receiving holder 442b coaxially therewith, a coiled spring 444b is provided in the cavity of the storage holder 444a, one end of the spring 444b is fixedly connected to the rotation shaft, and the other end is fixedly connected to the storage holder 444a, and when the rotation shaft rotates around its own axis, the spring 444b is driven by the rotation shaft to wind and store elastic potential energy.

As shown in fig. 27-28, the control release mechanism 443 includes a control release bracket 443a coaxially and fixedly connected with the storage bracket and having a cavity, a ratchet mechanism 443b disposed in the cavity of the control release bracket, and a pawl mechanism 441 engaged with the ratchet mechanism and controlling the rotation of the ratchet mechanism, wherein the control release mechanism 443 cooperates with the pawl mechanism 441 through the ratchet mechanism 443b to control the power storage and power release of the kinetic energy storage mechanism 444.

The ratchet mechanism 443b includes a ratchet wheel coaxially sleeved outside the rotating shaft and driven by the rotating shaft to rotate around its own axis.

The pawl mechanism 441 comprises a limiting pawl mechanism 441c, the limiting pawl mechanism 441c is arranged in a pawl sliding groove which is arranged on the control release bracket 443a, is communicated with the cavity of the control release bracket 443a and is arranged horizontally, the limiting pawl mechanism 441c comprises a pawl sliding block 441c1 which is arranged in the pawl sliding groove in a sliding manner and is provided with a cavity, the opening of the cavity of the pawl sliding block 441c1 faces to the ratchet wheel, a pawl piece 441c2 which can slide along the extending direction of the cavity is matched in the cavity of the pawl sliding block 441c1, the matching of the pawl piece 441c2 and the ratchet wheel can realize the unidirectional rotation of the ratchet wheel, the rotating direction of the ratchet wheel is the same as the direction of the rotating shaft, an elastic piece five is arranged between the pawl piece 441c2 and the pawl sliding block 441c1, the elastic force of the elastic piece five pushes the pawl piece 441c2 to bias towards the ratchet wheel along the extending direction of the cavity of the pawl sliding block 441c1, when the rotating, the ratchet wheel rotates in the same direction as the rotating shaft under the driving of the rotating shaft, when the elastic potential energy accumulated by the spring 444b reaches the maximum value, the rotating shaft stops rotating, the ratchet wheel stops rotating and is matched and clamped with the pawl piece 441c2, the pawl piece 441c2 limits reverse rotation of the ratchet wheel, the rotating shaft cannot rotate in the reverse direction due to the fixed connection of the ratchet wheel and the rotating shaft, and the elastic potential energy accumulated by the spring 444b is in an accumulated state; when the pawl piece 441c2 is disengaged from the ratchet by the external force, the elastic potential energy accumulated in the spring 444b is released, and the elastic potential energy of the spring 444b drives the rotation shaft to rotate reversely.

Preferably, the elastic member is a torsion spring 441c3, one end of the torsion spring 441c3 abuts against the pawl slider 441c1, the other end abuts against the pawl piece 441c2, the elastic force of the torsion spring 441c3 pushes the pawl piece 441c2 to bias towards the ratchet along the extending direction of the cavity of the pawl slider 441c1, preferably, in order to prevent the torsion spring 441c3 from falling off, a receiving hole for receiving the torsion spring 441c3 is disposed at the connection position of the pawl piece 441c2 and the torsion spring 441c3, and one end of the torsion spring 441c3 abutting against the pawl piece 441c2 is disposed in the receiving hole.

The external force receiving mechanism 441a on the pawl mechanism 441 is used for receiving the acting force generated in the closing process of the sealing cover 120, the external force receiving mechanism 441a comprises an external force receiving sleeve fixedly connected with the box body 110, an external force receiving inserted rod coaxially and movably arranged in the external force receiving sleeve in a penetrating manner, two ends of the external force receiving inserted rod extend to the outside of the inner cavity of the external force receiving sleeve, the axial direction of the external force receiving sleeve is perpendicular to the sealing cover 120 in a locking state, an elastic member six is arranged between the external force receiving inserted rod and the external force receiving sleeve, and the elastic force of the elastic member six pushes the external force receiving inserted rod to deviate from the sealing cover 120 along the central axial direction of the.

Preferably, the external force receiving inserted bar is provided with an external force receiving bolt hole between the external force receiving ferrule and the sealing cover 120, the external force receiving bolt hole radially penetrates through the wall thickness of the external force receiving inserted bar along the external force receiving inserted bar, the two ends of the external force receiving inserted bar, which are matched with the external force receiving bolt, extend out of the external force receiving bolt hole, the elastic part is an external force receiving spring, the external force receiving spring is sleeved outside the external force receiving inserted bar, one end of the external force receiving spring is abutted against the external force receiving bolt, the other end of the external force receiving spring is abutted against the external force receiving ferrule, and the external force receiving inserted bar is pushed by the elastic force of the external force receiving spring to deviate from the sealing cover 120.

The pawl mechanism 441 further comprises a pawl transmission mechanism 441b which transmits the power received by the external force receiving mechanism 441a to a limiting pawl mechanism 441c, wherein the pawl transmission mechanism 441b comprises a pawl pushing connecting rod hinged with the pawl sliding block 441c1, a pawl receiving connecting rod hinged with one end of the external force receiving inserted rod far away from the sealing cover 120, a pawl transmission connecting rod with one end hinged with the pawl pushing connecting rod and the suspension end of the pawl receiving connecting rod respectively, the two ends of the pawl transmission connecting rod are hinged with the control release bracket 443a, the directions of hinge axis lines on the pawl transmission mechanism 441b are the same as the central axis direction of the rotating shaft, and the limiting pawl mechanism 441c and the external force receiving mechanism 441a are located on one side of the pawl transmission connecting rod respectively.

When the sealing cover 120 is in a locked state, the external force receiving spring on the external force receiving mechanism 441a is compressed and accumulates elastic potential energy, the external force receiving inserted rod on the external force receiving mechanism 441a is far away from the sealing cover 120 along the direction of the axis of the external force receiving inserted rod and pushes the pawl transmission connecting rod to rotate around the circumferential direction of the hinge shaft connected with the control release bracket 443a through the pawl receiving connecting rod, the pawl transmission connecting rod drives the pawl pushing connecting rod and the pawl receiving connecting rod to move towards each other, the pawl pushing connecting rod drives the pawl sliding block 441c1 to move towards the direction close to the ratchet along the extending direction of the pawl sliding groove and enables the ratchet to rotate only in one direction through the clamping of the pawl sheet 441c2 and the ratchet, the ratchet pushes the pawl sheet 441c2 to move towards the direction far away from the ratchet and compresses the torsion spring 441c3, the torsion spring 441c3 elastically pushes the pawl sheet 441c2 to bias towards the, and the process is circulated.

When the sealing cover 120 is in an open state, the external force receiving mechanism 441a receives the elastic potential energy accumulated by the spring to release, the external force receiving mechanism pushes the external force receiving inserted rod to deviate towards the sealing cover 120 along the axial direction thereof by the elastic force of the external force receiving spring, at the moment, the pawl pushes the connecting rod to move opposite to the pawl receiving connecting rod, the pawl pushes the connecting rod to push the pawl sliding block 441c1 to slide along the extending direction of the pawl sliding chute towards the direction far away from the ratchet wheel, and the pawl piece 441c2 is separated from the ratchet wheel.

As shown in fig. 17 and 22-25, the airway tube network 420 comprises an airway tee 421, an exhaust tee 424, a first airway tube 422, a second airway tube 423, one end opening of the gas three-way pipe 421 is communicated with the inner cavity of the box body 110, the other two end openings of the gas three-way pipe 421 are respectively communicated with the connecting nozzle a and the connecting nozzle d451e, one end of the first gas guide pipe 422 is communicated with the connecting nozzle b, the other end is communicated with the connecting nozzle f442e, one end of the second gas guide pipe 423 is communicated with the connecting nozzle c451b, the other end is communicated with the connecting nozzle e442d, one end of the exhaust three-way pipe 424 is connected with the collecting device, the other two ends of the exhaust three-way pipe 424 are communicated with the exhaust nozzle and the drain nozzle, preferably, the exhaust nozzle is provided with two exhaust holes, and a matching piece 445 for matching the interface is arranged between the exhaust three-way pipe 424 and the exhaust nozzle, so that the exhaust three-way pipe 424 is conveniently connected with the exhaust nozzle.

When the articles in the inner cavity of the box body 110 are steamed, the inner cavity of the box body 110 is still in a high-pressure state, the locking mechanism 30 is in a high-temperature braking state, the pawl piece 441c2 and the ratchet wheel are in a matching clamping state, the trigger switch mechanism 450 is in an unexcited state, the switch mechanism 430 is in a closed state, the handle 210 is rotated, the free end of the inserted link 240 hinged with the shorter connecting rod pushes the stressed rod 452d to move vertically upwards, the stressed rod 452d drives the limit boss 452c to move vertically upwards and presses the power spring 452e to accumulate elastic potential energy, the push inclined surface of the stressed rod 452d presses the stressed inclined surface of the stressed valve core 452b and enables the stressed valve core 452b to move along the direction of the central axis of the inner cavity of the trigger housing 451a towards the direction far away from the trigger housing 451a, and the stressed valve core 452b drives the movable valve core 451d to move along the direction of the central, the movable spool 451d presses the return spring 451c to cause the return spring 451c to accumulate elastic potential energy, thereby triggering the switching mechanism 450 to switch from the non-excited state to the excited state.

High-pressure steam in the inner cavity of the box body 110 enters the inner cavity of the kinetic energy receiving bracket through the air guide three-way pipe 421, the inner cavity of the trigger shell 451a and the second air guide 423, the high-pressure steam pushes the rotating blade 442c to rotate around the axis of the rotating blade 442c, the rotating blade 442c drives the rotating shaft to rotate around the axis of the rotating blade c, the high-pressure steam is discharged from the air discharge three-way pipe 424 through the air discharge nozzle, part of condensed water is discharged from the air discharge three-way pipe 424 through the water discharge nozzle, the rotating shaft drives the threaded rod 431 to rotate around the axis of the rotating shaft through the worm and gear mechanism, the threaded rod 431 vertically moves upwards along the central axis of the rotating shaft and drives the piston 435 to vertically move upwards along the central axis of the air guide cylinder 433, the switch mechanism 430 is switched from a closed state to an open state, the spring 444b is driven by the rotating shaft to be screwed and, the torsion spring 441c3 resiliently urges the pawl piece 441c2 to bias the ratchet wheel in the direction of extension of the cavity of the pawl slide block 441c 1.

After a period of time, preferably, 1 ~ 3 seconds, the rotation of the handle 210 is cancelled, and the plunger 240 hinged to the shorter connecting rod is restored to the original position, the elastic potential energy accumulated by the power spring 452e is released, the power spring 452e pushes the stressed rod 452d to move in the direction approaching the plunger 240 along the direction of the own axis, the elastic potential energy accumulated by the return spring 451c is released, the elastic force of the return spring 451c pushes the movable valve core 451d to move in the direction approaching the connecting nozzle c451b along the direction of the own axis and isolates the connecting nozzle c451b and the connecting nozzle d451e from communicating with the inner cavity of the trigger housing 451a, the movable valve core 451d drives the stressed valve core 452b to move in the direction approaching the connecting nozzle c451b along the direction of the central axis of the inner cavity of the trigger housing 451a, and the trigger switch mechanism 450 is switched from the excited state to the non-excited state.

The high-pressure steam in the inner cavity of the box body 110 continuously enters the inner cavity of the kinetic energy receiving bracket through the air guide three-way pipe 421 and the first air guide pipe 422, the high-pressure steam continuously pushes the rotating blade 442c to rotate around the axis of the high-pressure steam, the rest high-pressure steam continuously exits from the exhaust three-way pipe 424 through the exhaust nozzle, the condensed moisture exits from the exhaust three-way pipe 424 through the drain nozzle, the switch mechanism 430 is kept in a connected state, the spring 444b continuously accumulates elastic potential energy, when the elastic potential energy accumulated by the spring 444b reaches the maximum value, the rotating shaft stops rotating, the ratchet stops rotating and is matched and clamped with the pawl piece 441c2, the pawl piece 441c2 limits the reverse rotation of the ratchet, the rotating shaft cannot rotate reversely because the ratchet is fixedly connected with the rotating shaft, the elastic potential energy accumulated by the spring 444b is in an accumulated state, the rest high-pressure steam then exits from the exhaust three-way pipe 424 through the, when the inner cavity of the box body 110 is reduced to normal pressure, the locking mechanism 30 is switched from a high-temperature braking state to a separation state.

The handle 210 is rotated, the handle 210 drives the rotating disc 220 to rotate around the axis of the handle through the clamping portion, the rotating disc 220 drives the two connecting rods 230 to move in the opposite direction, the connecting rods 230 pull the inserted rods 240 to be separated from the inserting holes, meanwhile, the free end portions of the inserted rods 240 are separated from the inserting holes, the compression springs 250 are squeezed and contracted by the bolts 260 and the clamping sleeves 122 to accumulate elastic potential energy, at the moment, the sealing covers 120 can rotate freely and control the opening size of the box body 110, the external force is released by the elastic potential energy accumulated by the springs, the external force pushes the external force receiving inserted rods to deviate towards the sealing covers 120 along the axis direction of the external force receiving springs, at the moment, the pawl pushes the connecting rods to move opposite to the pawl receiving connecting rods, the pawl pushes the pawl sliding blocks 441c1 to slide along the extending direction of the pawl sliding grooves.

The elastic potential energy accumulated by the spiral spring 444b is released, the elastic potential energy of the spiral spring 444b drives the rotating shaft to rotate reversely, the rotating shaft drives the threaded rod 431 to rotate around the axis of the rotating shaft reversely through the worm gear mechanism, the threaded rod 431 moves vertically downwards along the central axis direction of the threaded rod 431 and drives the piston 435 to move vertically downwards along the central axis direction of the gas guide cylinder 433, and the switch mechanism 430 is switched from the on state to the off state.

As shown in fig. 3, it is more perfect, in order to improve the heat preservation effect of the box body 110, it is faster to prevent heat loss, the box body 110 set up to be double-shell structure, the box body 110 includes outer shell 111, interior casing 112, be formed with the cavity between outer shell 111 and the interior casing 112, the cavity is filled with insulation material, such as glass fiber insulation cotton, locking mechanism 30 sets up in the cavity that forms between outer shell 111 and interior casing 112, air duct 311 and air duct sleeve 313 overheat by people's mistake when the inner chamber of box body 110 is in high pressure, has reduced the risk.

The safe self-locking protection method for high-temperature and high-pressure cooking of food comprises the following steps:

s1: when the steam cooker is used, the handle 210 is rotated, the handle 210 drives the rotary table 220 to rotate around the axis of the rotary table through the clamping part, the rotary table 220 drives the two connecting rods 230 to move oppositely, the connecting rods 230 pull the free ends of the inserting rods 240 to be separated from the inserting holes, the compression spring 250 is squeezed and contracted by the inserting pins 260 and the clamping sleeves 122 and accumulates elastic potential energy, at the moment, the sealing cover 120 can be freely rotated and the opening size of the box body 110 is controlled, the acting force for pushing the handle 210 is removed, the elastic potential energy accumulated by the compression spring 250 is released, the compression spring 250 pushes the inserting rods 240 to deviate from the clamping sleeves 122 along the extending direction of the inserting rods and realizes that the free ends of the inserting rods 240 extend out of;

s2: rotating the handle 210, freely rotating the sealing cover 120 to seal the opening of the sealing cover 120 to the case 110, canceling the acting force applied to the handle 210 to lock the sealing cover 120 and the case 110, at this time, the external force receiving spring on the external force receiving mechanism 441a is compressed and accumulates elastic potential energy, the external force receiving inserted rod on the external force receiving mechanism 441a is far away from the sealing cover 120 along the self axis direction and pushes the pawl transmission connecting rod to rotate around the circumference direction of the hinge shaft connected with the control release bracket 443a through the pawl receiving connecting rod, the pawl transmission connecting rod drives the pawl pushing connecting rod and the pawl receiving connecting rod to move towards each other, the pawl pushing connecting rod drives the pawl sliding block 441c1 to move towards the direction close to the ratchet wheel along the extending direction of the pawl sliding groove and enables the ratchet wheel to rotate only in one direction through the engagement of the pawl piece 441c2 and the ratchet wheel, and the, the unidirectional movement of the ratchet causes the spring 444b to tend to accumulate elastic potential energy;

s3: high-temperature and high-pressure steam is output to the inner cavity of the box body 110 or the high-temperature and high-pressure steam is generated in the box body 110, when the inner cavity of the box body 110 is in a high-pressure state, the high-pressure steam pushes the sliding valve core 317 to move towards the direction close to the clamping plate 318 along the central axis direction of the valve rod, the sliding valve core 317 drives the abutting block 314 to move towards the direction close to the valve core 316 along the central axis direction of the valve rod through the valve rod, the spiral spring 315 is squeezed and contracted by the valve core 316 and the abutting block 314 to accumulate elastic potential energy, the sliding valve core 317 squeezes the clamping plate 318 to enable the two clamping plates 318 to move away from each other along the radial direction of the air guide sleeve 313 under the guiding action of the guide sliding groove 313c, meanwhile, the;

s4: after the articles in the inner cavity of the box body 110 are steamed, the inner cavity of the box body 110 is still in a high-pressure state, the locking mechanism 30 is in a high-temperature braking state, the pawl piece 441c2 is in a matching clamping state with the ratchet wheel, the trigger switch mechanism 450 is in an unexcited state, the switch mechanism 430 is in a closed state, the handle 210 is rotated, the free end of the inserted link 240 hinged with the shorter connecting rod pushes the stressed rod 452d to move vertically and upwards, the stressed rod 452d drives the limit boss 452c to move vertically and upwards and presses the power spring 452e to accumulate elastic potential energy, the push inclined surface of the stressed rod 452d presses the stressed inclined surface of the stressed valve core 452b and enables the stressed valve core 452b to move along the direction of the central axis of the inner cavity of the trigger shell 451a towards the direction far away from the trigger shell 451a, and the stressed valve core 452b drives the movable valve core 451d to move along the direction of the, the movable spool 451d presses the return spring 451c to cause the return spring 451c to accumulate elastic potential energy, thereby switching the trigger switch mechanism 450 from the non-excited state to the excited state;

s5: high-pressure steam in the inner cavity of the box body 110 enters the inner cavity of the kinetic energy receiving bracket through the air guide three-way pipe 421, the inner cavity of the trigger shell 451a and the second air guide 423, the high-pressure steam pushes the rotating blade 442c to rotate around the axis of the rotating blade 442c, the rotating blade 442c drives the rotating shaft to rotate around the axis of the rotating blade c, the high-pressure steam is discharged from the air discharge three-way pipe 424 through the air discharge nozzle, part of condensed water is discharged from the air discharge three-way pipe 424 through the water discharge nozzle, the rotating shaft drives the threaded rod 431 to rotate around the axis of the rotating shaft through the worm and gear mechanism, the threaded rod 431 vertically moves upwards along the central axis of the rotating shaft and drives the piston 435 to vertically move upwards along the central axis of the air guide cylinder 433, the switch mechanism 430 is switched from a closed state to an open state, the spring 444b is driven by the rotating shaft to be screwed and, the torsion spring 441c3 elastically pushes the pawl piece 441c2 to bias the ratchet wheel along the extending direction of the cavity of the pawl slide block 441c 1;

s6, after a period of time, the period of time is 1 ~ 3 seconds, the rotation of the handle 210 is cancelled, the inserted rod 240 hinged with the shorter connecting rod is restored to the original position, the elastic potential energy accumulated by the power spring 452e is released, the power spring 452e pushes the stressed rod 452d to move towards the direction close to the inserted rod 240 along the self axis direction, the elastic potential energy accumulated by the reset spring 451c is released, the elastic force of the reset spring 451c pushes the movable valve core 451d to move towards the direction close to the connecting nozzle c451b along the self axis direction and isolates the connecting nozzle c451b and the connecting nozzle d451e from being communicated with the inner cavity of the trigger shell 451a, the movable valve core 451d drives the stressed valve core 452b to move towards the direction close to the connecting nozzle c451b along the central axis direction of the inner cavity of the trigger shell 451a, and the trigger switch mechanism 450 is switched to the non-excited state;

s7: the high-pressure steam in the inner cavity of the box body 110 continuously enters the inner cavity of the kinetic energy receiving bracket through the air guide three-way pipe 421 and the first air guide pipe 422, the high-pressure steam continuously pushes the rotating blade 442c to rotate around the axis of the high-pressure steam, the rest high-pressure steam continuously exits from the exhaust three-way pipe 424 through the exhaust nozzle, the condensed moisture exits from the exhaust three-way pipe 424 through the drain nozzle, the switch mechanism 430 is kept in a connected state, the spring 444b continuously accumulates elastic potential energy, when the elastic potential energy accumulated by the spring 444b reaches the maximum value, the rotating shaft stops rotating, the ratchet stops rotating and is matched and clamped with the pawl piece 441c2, the pawl piece 441c2 limits the reverse rotation of the ratchet, the rotating shaft cannot rotate reversely because the ratchet is fixedly connected with the rotating shaft, the elastic potential energy accumulated by the spring 444b is in an accumulated state, the rest high-pressure steam then exits from the exhaust three-way pipe 424 through the, when the inner cavity of the box body 110 is reduced to normal pressure, the elastic potential energy accumulated by the spiral spring 315 is released, the elastic force of the spiral spring 315 drives the valve rod to move towards the direction far away from the valve core 316 along the axis direction through the abutting block 314, the valve rod pushes the pushing block 319 to extrude the clamping plates 318 through the external steps, the two clamping plates 318 are extruded by the pushing block 319 and move close to each other along the radial direction of the air guide sleeve 313 under the guiding action of the guide sliding groove 313c, the clamping plates 318 are separated from the lock catch, and the locking mechanism 30 is switched from a high-temperature braking state to a separation state;

s8: the handle 210 is rotated to rotate the sealing cover 120, the external force is released by the elastic potential energy accumulated by the spring, the external force is pushed by the elastic force of the external force receiving spring to bias the external force receiving inserted rod towards the sealing cover 120 along the axial direction of the external force receiving inserted rod, at the moment, the pawl pushes the connecting rod to move back to the pawl receiving connecting rod, the pawl pushes the connecting rod to push the pawl sliding block 441c1 to slide along the extending direction of the pawl sliding groove towards the direction far away from the ratchet wheel, the pawl piece 441c2 is separated from the ratchet wheel, the ratchet wheel can rotate reversely, the elastic potential energy accumulated by the spring 444b is released, the elastic potential energy of the spring 444b drives the rotating shaft to rotate reversely, the rotating shaft drives the threaded rod 431 to rotate reversely around the axis of the rotating shaft through the worm gear mechanism, the threaded rod 431 moves vertically downwards, finally, the high-pressure fumigated product is taken out of the inner cavity of the box body 110.

Claims

1. The high-safety steam box applied to high-temperature and high-pressure cooking of food is characterized by comprising a steam box body, wherein the steam box body is used for accommodating articles to be fumigated at high temperature and high pressure and can bear high pressure;

the power output mechanism comprises an inserted link, one end of the inserted link is hinged to one end of the connecting rod far away from the rotary table, the direction of a core line of the articulated shaft formed by the hinged position of the inserted link and the connecting rod is perpendicular to the sealing cover, the inserted link is sleeved inside the clamping sleeve, one end of the inserted link far away from the connecting rod penetrates through the jack and can be inserted into the jack, a first elastic part is arranged between the inserted link and the clamping sleeve, and the elastic force of the first elastic part pushes the inserted link to be far away from the clamping sleeve along the axis direction of the inserted link and.

2. The high-safety steam box applied to high-temperature and high-pressure cooking of food according to claim 1, wherein the clamping interface is pentagonal or hexagonal.

3. The high-safety steam box applied to high-temperature and high-pressure cooking of food according to claim 2, wherein the inserted bar is provided with a plug pin hole between the sleeve and the jack, the plug pin hole radially penetrates through the wall thickness of the inserted bar along the inserted bar, the plug pin is matched with the plug pin in the plug pin hole, two ends of the plug pin extend out of the plug pin hole, the first elastic piece is a compression spring, the compression spring is sleeved outside the inserted bar, one end of the compression spring abuts against the plug pin, the other end of the compression spring abuts against the sleeve, and the elastic force of the compression spring pushes the inserted bar to be away from the sleeve along the axis direction of the inserted bar and.

4. The high-safety steam box for high-temperature and high-pressure steaming and boiling of food as claimed in claim 3, wherein the active locking mechanism comprises an air guide mechanism for communicating the inner cavity of the box body, and a trigger mechanism arranged in the air guide mechanism and used for switching between a triggered state and an un-triggered state, and the trigger mechanism comprises a trigger receiving mechanism for receiving power, a trigger output mechanism for outputting the power received by the trigger receiving mechanism, and a trigger transmission mechanism for transmitting the power received by the trigger receiving mechanism to the trigger output mechanism.

5. The high-safety steam box applied to high-temperature and high-pressure cooking of food according to claim 4, wherein the air guide mechanism comprises an air guide sleeve fixedly connected with the box body and provided with two open ends, the central axis direction of the air guide sleeve is vertical to the sealing cover in the locking state, one end of the air guide sleeve, which is far away from the sealing cover, is connected with an air guide pipe communicated with the inner cavity of the box body, and the inner cavity of the air guide sleeve is communicated with the inner cavity of the box body through the air guide pipe;

6. The high-safety steam box applied to high-temperature and high-pressure cooking of food according to claim 5, wherein the trigger mechanism is arranged in the inner cavity of the air guide sleeve, the trigger transmission mechanism of the trigger mechanism comprises an annular valve core which is matched with the inner cavity of the air guide sleeve and is fixedly connected with the air guide sleeve, the valve core divides the inner cavity of the air guide sleeve into a left cavity close to the connecting piece and a right cavity far away from the connecting piece, the valve core is provided with a plurality of communication holes for communicating the left cavity with the right cavity, and the communication holes are arrayed along the circumferential direction of the valve core;

7. The high safety steaming box as claimed in claim 6, wherein the passive locking mechanism comprises a latch, the latch comprises a buckle plate fixedly connected with the sealing cover, and a fastening plate vertically arranged at two sides of the buckle plate and extending towards the locking mechanism, and the free end of the fastening plate is arranged to match with the clamping plate deviated from the center of the valve rod and lock the sealing cover by the locking mechanism.