阅读说明：本技术 一种自动调节隔热的家用窗户 (Automatic adjust thermal-insulated domestic window ) 是由 尤甘甜 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种自动调节隔热的家用窗户,涉及建筑以及家用装修装饰设备的技术领域,其技术方案要点是包括框架,所述的框架内设有由外玻璃板和内玻璃板隔成的安装腔,所述的安装腔内安装有折叠隔热板装置,所述的安装腔靠近所述的外玻璃板一侧设有通过水平滑移限制所述的折叠隔热板装置伸缩的限位杆装置,所述的限位杆装置由于所述的外玻璃板供给的热量以及自身的弹性力进行驱动,技术效果是具有能够直接利用光照在玻璃上产生的热量控制折叠隔热板的伸出遮阳、隔热的优点。(The invention discloses a household window capable of automatically adjusting heat insulation, which relates to the technical field of building and household decoration equipment.)

1. The utility model provides an automatically regulated thermal-insulated domestic window, includes frame (1), frame (1) in be equipped with installation cavity (13) that separate by outer glass board (11) and interior glass board (12), its characterized in that: the installation cavity (13) in install folding heat insulating board device (2), installation cavity (13) be close to outer glass board (11) one side be equipped with through the restriction of horizontal slip folding heat insulating board device (2) flexible gag lever post device (3), gag lever post device (3) because outer glass board (11) the heat and the elastic force of self of supplying with drive.

2. A self-adjusting insulating home window as claimed in claim 1, wherein: the upper end of the frame (1) is also provided with a water spraying device (4) which is pushed by the folding heat insulation plate device (2) to supply air so as to spray water to the outer glass plate (11) for cooling; and water sprayed on the outer glass plate (11) flows into the folding heat insulation plate device (2) and drives the folding heat insulation plate device (2) to slide downwards and then be folded and stored.

3. A self-adjusting insulating home window as claimed in claim 2, wherein: the folding heat insulation plate device (2) comprises a plurality of folding plates (21) which are hinged with each other, the folding plate (21) at the lowest end is hinged with the lower end of the mounting cavity (13), and the folding plate (21) at the uppermost end is hinged with the lower end of the horizontal push plate (22); one side of each folding plate (21) facing the outer glass plate (11) is provided with a water-absorbing sponge (23), and the water-absorbing sponge (23) absorbs water sprayed on the outer glass plate (11) to cool the outer glass plate, so that the self weight of the folding plate (21) is increased; and first driving parts (20) for driving the horizontal push plate (22) to stably slide are symmetrically arranged on two sides of the horizontal push plate.

4. A self-adjusting insulating home window as claimed in claim 3, wherein: the first driving piece (20) comprises a sliding block (202) connected with the horizontal push plate (22) through a supporting rod (201), the supporting rod (201) and the sliding block (202) are installed in a sliding groove (203) formed in the frame (1) in a sliding mode, and a compression spring (204) for driving the horizontal push plate (22) to slide upwards when not pressed is arranged at the lower end of the sliding block (202).

5. A self-adjusting insulating home window as claimed in claim 3, wherein: the lower end of the installation cavity (13) is provided with a containing cavity (14) for folding and containing the folding and heat insulation plate device (2), the upper end of the containing cavity (14) is lower than the lower end faces of the outer glass plate (11) and the inner glass plate (12), and the limiting rod device (3) is arranged on the end face of one side of the containing cavity (14); the upper end face of the mounting cavity (13) is fixedly provided with a piston bin (16) separated by a partition plate (15), and the projection of the piston bin (16) on the horizontal plane is superposed with the projection of the horizontal push plate (22) on the horizontal plane.

6. A self-adjusting insulating home window as claimed in claim 5, wherein: the limiting rod device (3) comprises a limiting rod (32) which is horizontally arranged in the sliding cavity (31) in a sliding mode, an elastic part (33) which is arranged on one side of the sliding cavity (31) and drives the limiting rod (32) to extend out of the sliding cavity (31) through self restoring force, and a second driving part (30) which is arranged on the other side of the sliding cavity (31) and converts heat of the outer glass plate (11) into heat for driving the limiting rod (32) to retract; the upper end of the limiting rod (32) is provided with an inclined plane (34) which does not limit the downward sliding of the horizontal push plate (22).

7. A self-adjusting insulating home window as claimed in claim 6, wherein: the second driving piece (30) comprises an expansion gas bin (301) which expands through the volume thereof and then drives the limiting rod (32) to retract into the sliding cavity (31), the expansion gas bin (301) is communicated with a heated gas cavity (303) through at least one gas pipe (302), the heated gas cavity (303) is arranged on the inner side of the outer glass plate (11), and the heated gas cavity (303) is filled with thermally expanded gas; the expansion air bin (301), the air pipe (302) and the heated air cavity (303) are in sealed connection.

8. A self-adjusting insulating home window as claimed in claim 5, wherein: the water spraying device (4) comprises a water bin (41) arranged at the upper end of the frame (1), a water supply pipe (42) arranged at the upper end of the water bin (41), a bent pipe (43) for communicating the upper end of the water bin (41) with the upper end of the piston bin (16), and a plurality of telescopic spraying components (40) for communicating the lower end of the water bin (41); the water spraying device (4) also comprises a drain pipe (17) connected with the lower end of the containing cavity (14).

9. A self-adjusting insulating home window as claimed in claim 8, wherein: the telescopic spraying assembly (40) comprises a telescopic pipe (401) which extends into the space between the partition plate (15) and the outer glass plate (11) when the telescopic spraying assembly is under the pressure of water, and a plurality of spraying holes (402) facing the outer glass plate (11) are formed in the telescopic pipe (401).

Technical Field

The invention relates to the technical field of building and household decoration equipment, in particular to a household window capable of automatically adjusting heat insulation.

Background

Temperature and sunshine shine can directly lead to indoor temperature to rise, consequently, window sunshade is thermal-insulated one of the indispensable structure in the present home decoration, and the quality of thermal-insulated effect and the time of sheltering from the device and opening can directly influence the temperature in the room.

The existing heat insulation and sun shading effects are mostly set by adopting double-layer glass for vacuumizing or filling heat insulation materials, the design usually influences the visual field, and in order to achieve the effect of controlling according to the ambient temperature, an electric control curtain is usually adopted, namely, a temperature sensor, a controller, a motor and a curtain structure are adopted for realizing, and the opening and closing of the curtain are controlled by utilizing the detected ambient temperature.

Although the mode can realize control through temperature, the temperature of the environment of the curtain can easily influence the control of the curtain, for example, in cloudy days with higher temperature, no direct sunlight can be caused under the condition of the mode, but the temperature of the environment is higher, and at the moment, whether the curtain is closed or not is not directly related to illumination, so that the curtain can cover a window to influence lighting, and the electric-controlled curtain needs to be supplied with power for a long time, so that the manufacturing cost and the use cost of the equipment are higher.

Disclosure of Invention

The invention aims to provide a household window capable of automatically adjusting heat insulation, which has the advantages of being capable of directly utilizing heat generated by illumination on glass to control the extension of a folding heat insulation plate to shade and insulate heat.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides an automatic thermal-insulated domestic window of regulation, includes the frame, the frame in be equipped with the installation cavity that separates by outer glass board and interior glass board, the installation cavity in install folding heat insulating board device, the installation cavity be close to outer glass board one side be equipped with through the horizontal restriction that slides folding heat insulating board device flexible gag lever post device, the gag lever post device because outer glass board heat and the elastic force of self of supplying with drive.

By adopting the technical scheme, the folding heat insulation plate device is accommodated by utilizing the installation cavity between the outer layer glass plate and the inner layer glass plate, so that the folding heat insulation plate device is packaged, and the operation of the folding heat insulation plate device is not dangerous; and the gag lever post device cooperation folding heat insulating board device uses each other, can directly be used for driving the gag lever post device with the heat of outer glass board on the one hand, and then whether limited through the folding heat insulating board device of actuating lever means control, control popping out of folding heat insulating board device, and on the other hand, when outer glass board temperature is low not high, the gag lever post device can restrict folding heat insulating board device elasticity and stretch out, and then makes folding heat insulating board device accomodate at the installation cavity lower extreme, can not influence the field of vision of window.

Further setting: the upper end of the frame is also provided with a water spraying device which is pushed by the folding heat insulation plate device to supply air so as to spray water to the outer glass plate for cooling; and water sprayed on the outer glass plate flows into the folding heat insulation plate device and drives the folding heat insulation plate device to slide downwards and then be folded and stored.

Through adopting above-mentioned technical scheme for when outer glass board is heated, folding heat insulating board device can drive water jet equipment and supply water at the in-process that pops out, and then carries out the cooling with water injection on outer glass board, and meanwhile, water sprays a period and can also utilize water drive folding heat insulating board device to fold.

Further setting: the folding heat insulation plate device comprises a plurality of mutually hinged folding plates, the lowermost folding plate is hinged to the lower end of the mounting cavity, and the uppermost folding plate is hinged to the lower end of the horizontal push plate; one side of each folding plate, which faces the outer glass plate, is provided with a water-absorbing sponge, and the water-absorbing sponge absorbs water sprayed on the outer glass plate to cool the outer glass plate, so that the self weight of the folding plate is increased; and first driving pieces for driving the horizontal push plate to stably slide are symmetrically arranged on two sides of the horizontal push plate.

Through adopting above-mentioned technical scheme, the sponge that absorbs water that the water jet equipment supplied with can be absorbed to the sponge that sets up, and then increase the dead weight of each folded sheet alone for can interact between the folded sheet, and then be favorable to driving whole folding heat-proof device's accomodating more, meanwhile, extrusion force between the folded sheet can also extrude the sponge that absorbs water, and then extrude the recovery and recycle with the thermal water that has absorbed outer glass board, and then realize thermal recycle on the outer glass board.

Further setting: the first driving piece comprises a sliding block connected with the horizontal push plate through a supporting rod, the supporting rod and the sliding block are slidably installed in a sliding groove formed in the frame, and a compression spring for driving the horizontal push plate to slide upwards when not pressed is arranged at the lower end of the sliding block.

Through adopting above-mentioned technical scheme, through the cooperation of slider with the spout for horizontal push pedal can remain the horizontality throughout and slide in vertical direction, and compression spring is provided with and does benefit to when folding heat insulating board device is unrestricted, can bounce automatically.

Further setting: the lower end of the installation cavity is provided with a containing cavity for folding and containing the folding heat insulation plate device, the upper end of the containing cavity is lower than the lower end surfaces of the outer glass plate and the inner glass plate, and the limiting rod device is arranged on the end surface of one side of the containing cavity; the upper end face of the mounting cavity is fixedly provided with a piston chamber separated by a partition plate, and the projection of the piston chamber on the horizontal plane is superposed with the projection of the horizontal push plate on the horizontal plane.

Through adopting above-mentioned technical scheme, accomodate the upper end in chamber and be less than outer glass board with interior glass board terminal surface down, and the gag lever post device sets up in the one side of accomodating the chamber for folding heat insulating board device can hide in the frame, and then can not influence the field of vision of this equipment, utilizes the baffle to keep apart out the piston storehouse and makes horizontal push pedal upwards slide can be with the gas supply water jet equipment in the piston storehouse, can spray the cooling to outer glass board when making folding heat insulating board device stretch out.

Further setting: the limiting rod device comprises a limiting rod horizontally arranged in the sliding cavity in a sliding mode, an elastic piece arranged on one side of the sliding cavity and used for driving the limiting rod to extend out of the sliding cavity through self restoring force, and a second driving piece arranged on the other side of the sliding cavity and used for converting the heat of the outer glass plate into heat for driving the limiting rod to retract; the upper end of the limiting rod is provided with an inclined plane which does not limit the downward sliding of the horizontal push plate.

Through adopting above-mentioned technical scheme, the setting up on inclined plane makes outer glass board by the cooling back, and stretching out of gag lever post can not influence folding heat insulating board device's folding, and then makes horizontal push pedal can slide into accomodate the chamber, reaches the purpose that prevents the heat and get into the room.

Further setting: the second driving piece comprises an expansion gas bin which is used for driving the limiting rod to retract into the sliding cavity through volume expansion of the second driving piece, the expansion gas bin is communicated with a heated gas cavity through at least one gas pipe, the heated gas cavity is arranged on the inner side of the outer glass plate, and the heated gas cavity is filled with thermally expanded gas; the expansion air bin, the air pipe and the heated air cavity are in sealing connection.

Through adopting above-mentioned technical scheme, utilize to set up and fill in the outer glass board and receive thermal energy gas for gas is heated the inflation and can get into inflation gas storehouse through the trachea, and then drives the gag lever post and withdraw and slide the chamber, and then when making outer glass board be heated, the gag lever post does not restrict folding heat insulating board device, makes folding heat insulating board device auto-eject carry out the sunshade thermal-insulated.

Further setting: the water spraying device comprises a water bin arranged at the upper end of the frame, a water supply pipe arranged at the upper end of the water bin, a bent pipe for communicating the upper end of the water bin with the upper end of the piston bin, and a plurality of telescopic spraying components communicated with the lower end of the water bin; the water spraying device also comprises a drain pipe connected with the lower end of the containing cavity.

Further setting: the telescopic spraying assembly comprises a telescopic pipe which extends into the space between the partition plate and the outer glass plate when the telescopic spraying assembly is under the pressure of water, and the telescopic pipe is provided with a plurality of spraying holes which face the outer glass plate.

Through adopting above-mentioned technical scheme, utilize the delivery pipe that sets up in the sump upper end to carry out the water injection, utilizing the return bend to pour gas into the up end of sump internal water, pressurize water, and then make hydroenergy enough push flexible pipe, and then make the hole that sprays open and supply water, and when not compressed, flexible pipe can be accomodate, and then can restrict to spray and supply water, and then reach the purpose that prevents to leak, and the setting of drain pipe can carry out recycle with the water after the cooling of spun right outer glass board.

Drawings

FIG. 1 is a block diagram of the apparatus of the present invention;

FIG. 2 is a side cut-away schematic view of the present invention;

FIG. 3 is an enlarged view of position A of FIG. 2;

FIG. 4 is a schematic view of the first drive member;

FIG. 5 is a schematic cross-sectional view of the apparatus of the present invention at the location of the stop bar assembly;

fig. 6 is an enlarged view of the position B in fig. 5.

In the figure, a frame 1, an outer glass plate 11, an inner glass plate 12, an installation cavity 13, a storage cavity 14, a partition plate 15, a piston bin 16, a water drainage pipe 17, a folding heat insulation plate device 2, a folding plate 21, a horizontal push plate 22, a water absorption sponge 23, a first driving piece 20, a support rod 201, a slide block 202, a sliding chute 203, a compression spring 204, a limiting rod device 3, a sliding cavity 31, a limiting rod 32, an elastic piece 33, an inclined plane 34, a second driving piece 30, an expansion air bin 301, an air pipe 302, a heated air cavity 303, a water spraying device 4, a water bin 41, a water supply pipe 42, a bent pipe 43, a telescopic spraying component 40, a telescopic pipe 401 and a spraying hole 402.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An automatically-adjusted heat-insulating household window comprises a frame 1, wherein the frame 1 is rectangular, one side of the frame 1 can be hinged on a window frame, the frame 1 can also be directly used as the window frame, and further the whole equipment is fixed on a wall, an outer glass plate 11 and an inner glass plate 12 are respectively arranged on two side surfaces of the frame 1, the outer glass plate 11, the inner glass plate 12 and vertical rods on two sides of the frame 1 are separated into an installation cavity 12, a folding heat-insulating plate device 2 is arranged in the installation cavity 13, a telescopic limiting rod device 3 is arranged on one side of the installation cavity 13, which is close to the outer glass plate 11, the limiting rod device 3 props against the folded folding heat-insulating plate device 2 when extending out, and further the folding heat-insulating plate device 2 is accommodated in an accommodation cavity 14, the accommodation cavity 14 is arranged at the lower end of the installation cavity 13, the upper end of the accommodation cavity 14 is lower than the lower end surfaces of the outer glass plate 11 and the inner glass plate 12, so that the view of the window is not influenced after the folding heat-insulating plate device 2 is accommodated, the limiting rod device 3 is arranged on one side end face of the containing cavity 14, the upper end face of the mounting cavity 13 is fixedly provided with a piston bin 16 separated by a partition plate 15, and the projection of the piston bin 16 on the horizontal plane and the projection of the horizontal push plate 22 on the horizontal plane coincide with each other, so that the horizontal push plate 22 can supply air for the water spraying device 4 when moving upwards, and the water spraying device 4 is driven to spray water on the outer glass plate 11.

As shown in fig. 2 and 3, the folding insulation board device 2 comprises a plurality of folding boards 21 hinged with each other, wherein the folding board 21 at the lowest end is hinged with the lower end of the mounting cavity 13, and the folding board 21 at the highest end is hinged with the lower end of the horizontal push plate 22; one side of each folding plate 21, which faces the outer glass plate 11, is provided with a water-absorbing sponge 23, and the water-absorbing sponge 23 absorbs water sprayed on the outer glass plate 11 to cool the outer glass plate, so that the self weight of the folding plate 21 is increased; the two sides of the horizontal push plate 22 are symmetrically provided with first driving parts 20 for driving the horizontal push plate to stably slide, the first driving parts 20 in the device can be arranged as electric push rods controlled by a single chip microcomputer or a PLC controller, the single chip microcomputer or the PLC controller can be electrically connected with a temperature sensor, and further the heat of the outer glass plate 11 is transferred to the single chip microcomputer or the PLC controller for controlling the expansion and contraction of the electric push rods, the folding plate 21 in the device can be made of light heat insulation materials, for example, heat insulation fibers or heat insulation surfaces and light rubber plates are used for making the folding plate, which does not influence heat absorption, is beneficial for the compression spring 204 to bounce the whole device, can ensure that when the water absorption sponge 23 absorbs water, the folding heat insulation plate device 2 can be driven to fold and store, the positions of the water absorption sponge 23 and the folding plate 21 are arranged according to the position of the outer glass plate 11, so that when the folding plate 21 extends out, the water absorption sponge 23 can be supported on the outer glass plate 11, and the water absorbing sponge 23 can absorb the water sprayed by the water spraying device 4 conveniently.

As shown in fig. 2 and 3, the water spraying device is arranged at the upper end of the frame 1, and is acted by the gas pressure supplied by pushing of the folded heat insulation board device 2, so as to spray water to the outer glass board 11 for cooling, and the water sprayed on the outer glass board 11 flows to the folded heat insulation board device 2, and can drive the folded heat insulation board device 2 to slide downwards and then be folded and stored, and the water spraying device 4 comprises a water bin 41 arranged at the upper end of the frame 1, a water supply pipe 42 arranged at the upper end of the water bin 41, a bent pipe 43 communicating the upper end of the water bin 41 with the upper end of the piston bin 16, and a plurality of telescopic spraying assemblies 40 communicating the lower end of the water bin 41; water jet 4 is still including connecting the drain pipe 17 of accomodating the chamber 14 lower extreme, cold water source can be connected to delivery pipe 42 in this device, and the water heater can be connected to the drain pipe or use the water pipe, and then make the warm water after the heating more satisfy daily use demand, delivery pipe 42 upper end adopts the rubber buffer to seal or directly sets up one-way conducting pressure check valve in the outside sump 41 in delivery pipe 42 during normal use, and then the feasible water supply that neither influences, can make the gas that folding heat insulating board device 2 supplied with again and can drive the aquatic and move down.

As shown in fig. 3, the retractable spray assembly 40 comprises a retractable tube 401 extending between the partition 15 and the outer glass plate 11 when receiving water pressure, the retractable tube 401 is provided with a plurality of spray holes 402 facing the outer glass plate 11, the retractable tube 401 in the device can be directly set as a retractable hose or can be set as a mode that the retractable hose and the retractable arc plate are matched in an arc direction, when the retractable tube 401 and the retractable arc plate are matched, deformation of the retractable tube 401 is favorably avoided, when the spray holes 402 are provided with a plurality of structures distributed in an annular array of arc-shaped rubber plates, thereby opening the retractable tube when being pressed, and when the retractable arc plate and the retractable hose are matched, the spray holes 402 can be arranged on the retractable arc plate, the spray holes 402 can be blocked by the overlapped retractable arc plate, when the spray holes 402 are arranged on the hard retractable arc plate, the inside of the retractable tube can be provided with a swivel ring for controlling pipe diameter or fan blades for controlling water refining, further controlling the water outlet speed, reducing the flow speed of water at the inner side of the outer glass plate 11, and ensuring better cooling and heat absorption effects.

As shown in fig. 4 and 5, the first driving member 20 includes a sliding block 202 connected to the horizontal pushing plate 22 through a supporting rod 201, the supporting rod 201 and the sliding block 202 are slidably mounted in a sliding slot 203 provided on the frame 1, and a compression spring 204 is provided at a lower end of the sliding block 202 for driving the horizontal pushing plate 22 to slide upward when not pressed.

As shown in fig. 5 and 6, the limiting rod device 3 is driven by the heat supplied by the outer glass plate 11 and the elastic force of the limiting rod device itself, and the limiting rod device 3 includes a limiting rod 32 horizontally slidably installed in the sliding cavity 31, an elastic member 33 disposed at one side of the sliding cavity 31 and driving the limiting rod 32 to extend out of the sliding cavity 31 by the self-restoring force, and a second driving member 30 disposed at the other side of the sliding cavity 31 and converting the heat of the outer glass plate 11 into the heat driving the limiting rod 32 to retract; the upper end of the limiting rod 32 is provided with an inclined surface 34 which does not limit the downward sliding of the horizontal push plate 22, the elastic member 33 in the device can be set as a spring or an elastic rubber rod, and the second driving member 30 can also be set as an electric push rod mode controlled by a controller similar to the first driving member 20, so that the automatic control by temperature is realized.

As shown in fig. 5 and 6, the second driving member 30 includes an expansion chamber 301 for driving the limiting rod 32 to retract into the sliding chamber 31 by its volume expansion, the expansion chamber 301 is connected to a heated gas chamber 303 through at least one gas pipe 302, the heated gas chamber 303 is disposed inside the outer glass plate 11, and the heated gas chamber 303 is filled with thermally expanded gas; the expansion air bin 301, the air pipe 302 and the heated air cavity 303 are hermetically connected, and air in the expansion air bin 301 can be filled with air.

The working principle is as follows: during initial state, all devices are in quiescent condition, folding heat insulating board device 2 is in fold condition, and accomodate in accomodating chamber 14, gag lever post 32 of gag lever post device 3 stretches out in the chamber 31 that slides, and support the upper end of horizontal push pedal 22, inflation gas storehouse 301 is in minimum volume state, inflation gas storehouse 301, trachea 302, the sealed region that heated gas chamber 303 is constituteed is filled up with the thermal energy gas that receives, elastic component 33 is in the free state, compression spring 204 is in the compression state, flexible pipe 401 is in the contraction state, the hole 402 that sprays is closed, the water storehouse 41 is built-in to water, the upper end of delivery pipe 42 adopts check valve or removable piston block to seal.

When outer glass plate 11 is heated the temperature and risees, the gas in the gas chamber 303 that is heated expands along with the rising of temperature, and then make inflation gas storehouse 301, trachea 302, the gaseous volume inflation in the whole region that heated gas chamber 303 constitutes, inflation gas storehouse 301 volume and then increase, and then drive gag lever post 32 shrink back slide the chamber 31 in, horizontal push pedal 22 is unrestricted, slider 202 drives horizontal push pedal 22 and folded sheet 21 rebound under the compression spring effect, and then hides whole window, play sunshade and thermal-insulated effect.

When the horizontal push plate 22 slides upwards to the position of the piston bin 16, gas in the piston bin 16 can be pushed into the upper end of the water bin 41 through the bent pipe 43, water in the water bin 41 is further pushed into the telescopic pipe 401, the telescopic pipe 401 is pushed out, the spraying hole 402 is opened, water is sprayed onto the outer glass plate 11 from the spraying hole 402 and flows downwards along the outer glass plate 11 to cool the outer glass plate 11 and absorb heat on the outer glass plate 11, the flowing water falls on the water absorption sponge 23 and is absorbed by the water absorption sponge 23, the water absorption sponge 23 can increase the self weight of the folding plate 21, all the folding plates 21 are driven to move downwards, the horizontal push plate 22 is driven to move downwards at the same time until the storage state is reached, in the process, the telescopic pipe 401 is retracted and does not supply water, the water absorbed by the water absorption sponge is discharged through the drain pipe and supplied to a household, and meanwhile, water is supplied to the water bin 41 through the water supply pipe 42 (the water supply pipe 42 and the water supply and the drain pipe 17 and the water extraction pipe can be driven by the water pump ).

Because the temperature of the outer glass plate 11 is reduced, the volume of the gas in the closed cavity formed by the expansion gas bin 301, the gas pipe 302 and the heated gas cavity 303 is reduced, the volume of the expansion gas bin 301 is reduced, and the limiting rod 32 extends out again to limit the folding heat insulation plate device 2.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.