CN112890623B

CN112890623B - Intelligent heat-preserving disinfection cover

Info

Publication number: CN112890623B
Application number: CN202110048794.9A
Authority: CN
Inventors: 崔广星
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2023-07-18
Anticipated expiration: 2041-01-14
Also published as: CN112890623A

Abstract

The invention discloses an intelligent heat-preserving disinfection cover, which belongs to the technical field of intelligent household appliances and comprises an outer shell and a sliding plate which is connected in the outer shell in a sliding way; the sliding plate is fixedly connected with a flexible cover; the sliding plate is provided with a connecting hole; the flexible cover is internally formed with a plurality of internal discharge ports; an upper air inlet is formed on the outer wall of the outer shell; a fan is rotationally connected in the outer shell; a motor and a heater are arranged in the outer shell; when the fan rotates positively, the flexible cover can be inflated to sterilize or keep warm; when the fan rotates in the reverse direction, the flexible cover is exhausted and can be plugged into the outer shell. The invention can cover food, and the flexible cover forms a hemispherical cover body after being inflated to isolate mosquito dust; the air can be heated, so that the food keeps the temperature and the frozen food can be quickly thawed; the sterilizing device can sterilize articles, and air is heated to kill bacteria, so that the sanitation degree and safety of the articles are improved; the storage and arrangement are easy, the occupied volume is small, the storage cavity can be conveniently filled, the appearance is regular, and the storage are convenient.

Description

Intelligent heat-preserving disinfection cover

Technical Field

The invention belongs to the technical field of intelligent household appliances, and particularly relates to an intelligent heat-preservation disinfection cover.

Background

The Chinese patent document with the document number of CN102138749A discloses a dining table cover for preserving food, which belongs to the field of household appliances and is provided with a vent hole. The invention can force air to flow inside and outside the dining table cover, so that the dining table cover keeps good ventilation, and the sterilizing device is arranged in the dining table cover, so that bacterial viruses in the surrounding environment of food in the dining table cover can be killed, the effect of preventing or delaying food deterioration is achieved, the waste of food is reduced, and the diet health of a user is ensured.

When the dining table cover is not used, the dining table cover is large in size and occupies a large storage space, so that the dining table cover is inconvenient to store, meanwhile, heat sources generated by the dining table cover are transmitted from top to bottom, so that more heat is concentrated at the top of the dining table cover, food cannot be heated uniformly, heat preservation of the food is not facilitated, and the practical use requirements cannot be met to a certain extent.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: aiming at the defects in the prior art, the intelligent heat-preservation disinfection cover is provided.

The invention is realized by adopting the following technical scheme: an intelligent heat-preservation disinfection cover comprises an outer shell and a sliding plate which is connected inside the outer shell in a sliding way; the sliding plate is fixedly connected with a flexible cover which can form a cover body outside the shell; one end of the sliding plate, which is far away from the flexible cover, is formed with a connecting hole communicated with the inside of the flexible cover; the inner wall of the flexible cover is uniformly formed with a plurality of inner discharge ports communicated with the inner space of the cover body.

An upper air inlet communicated with the inside of the outer shell body is formed in the outer wall of the outer shell body; a fan for driving air to circulate is rotatably connected in the outer shell body close to the upper air inlet; a motor for driving the fan to rotate is arranged in the outer shell; a heater for heating air is arranged in the outer shell.

When the fan rotates positively, the flexible cover is inflated to cover the food, so that the objects in the cover can be disinfected or insulated.

When the fan rotates reversely, air in the flexible cover is pumped out, and the flexible cover is in a sheet shape easy to store, so that the air can be plugged into the outer shell.

As a preferable scheme: the outer shell is rotationally connected with a screw rod for driving the sliding plate to slide; an input gear in transmission connection with the screw rod is rotationally connected in the outer shell; the input gear is connected with the fan in a unidirectional transmission way.

A screw rod hole penetrating through the sliding plate is formed in the periphery of the screw rod on the sliding plate; an upper jacking column which can be in sliding connection with the spiral groove of the screw rod is connected in a sliding manner in the sliding plate; and an adjusting rod for driving the upper jacking column to move towards the direction of the screw rod is connected in the outer shell in a sliding manner.

When the fan rotates in the forward direction, the screw rod does not rotate; when the fan reversely rotates, the screw rod rotates, and the upper jacking column can drive the sliding plate to slide in a direction away from the flexible cover under the guiding action of the screw rod.

As a preferable scheme: a lower pressing plate capable of propping against the upper jacking column is connected in the outer shell in a sliding manner; one end of the lower pressing plate, which is far away from the upper jacking column, is formed with a driven inclined plane which is obliquely arranged; the adjusting rod is provided with a driving inclined plane which can prop against the driven inclined plane to drive the lower pressing plate to move.

In a natural state, the upper jacking column is not contacted with the screw rod; when the adjusting rod is pressed down, the upper jacking column is abutted against the screw rod.

As a preferable scheme: the outer wall of the outer shell is provided with a display screen for displaying control parameters and a plurality of buttons for adjusting the parameters.

As a preferable scheme: the outer wall of the outer shell is formed with a communication port for enabling the flexible cover to extend outwards; and the outer shell is detachably connected with a sealing cover for sealing the communication port.

Compared with the prior art, the invention has the beneficial effects that: when the product is used, the hand holds the outer shell body to place the product at the open position, the sealing cover is removed, the flexible cover is pulled out of the storage cavity, the sliding plate is also driven to slide outwards to the limit position close to the communication port while the flexible cover is pulled out, and then the flexible cover is unfolded and paved. The power plug is inserted into the socket, the switch button is pressed down, the controller starts to work, the motor is controlled to rotate forward to drive the fan to rotate forward, the fan rotates forward to enable the blades to drive air, and external air enters the storage cavity through the upper air inlet, the air guide pipe and the lower air outlet in sequence. Along with the continuous forward rotation of the fan, air in the storage cavity sequentially enters the flexible cover through the connecting hole and the connecting pipe, so that the flexible cover is gradually expanded and unfolded to be a hemispherical cover body.

When food needs to be protected and mosquito dust is blocked, the outer shell and the flexible cover are held to move the product until the hemispherical cover body completely covers the food needing to be protected, and the flexible cover is flatly attached to the lower plane. At this time, the fan continuously rotates, and air is continuously filled into the flexible cover, so that the shape of the flexible cover is kept unchanged, excessive air is discharged outwards to the inner part of the hemispherical cover body through the inner discharge port, and then excessive air is discharged outwards through the outer discharge port. The flexible cover covers the food top, prevents that dust etc. from dropping to the food, and outer discharge port outwards exhausts, has also prevented that mosquito etc. from entering into the hemisphere cover is internal, pollutes the food to make the food keep clean sanitary state.

When food needs to be insulated, the product is moved until the hemispherical cover body completely covers the food needing to be insulated, the heating button is pressed, the controller controls the heater to work, air flowing through the air guide pipe is heated to a first temperature by the heater, and gas flowing into the flexible cover is changed into hot air. The hot air is sprayed outwards through the inner discharge openings uniformly arranged in the flexible cover, so that the inside of the hemispherical cover body is uniformly heated, the food positioned in the hemispherical cover body is kept at a relatively constant temperature, the fresh and delicious food is ensured, the cold rice and the cold dish can be eaten at any time, and convenience is added for life. Similarly, when the frozen food needs to be defrosted, the product is moved to the hemispherical cover body to completely cover the food needing to be defrosted, the hot air in the hemispherical cover body enables the frozen food to be heated uniformly, the food is defrosted gradually from outside to inside, long waiting is not needed, and the frozen food is defrosted quickly, and is convenient and fast. The "heat" button is pressed again and the heater stops heating.

When the tableware and other articles are required to be disinfected, the product is moved to the hemispherical cover body to completely cover the articles to be disinfected, the disinfection button is pressed down, and the controller controls the heater to work so that air flowing through the air guide pipe is heated to a second temperature which is higher than the first temperature. The high-temperature air enters the hemispherical cover body through the inner discharge port and heats the inside of the hemispherical cover body, and the high-temperature air kills bacteria microorganisms and the like attached to the articles to be disinfected, so that the aim of disinfection is fulfilled, the articles are more sanitary and safe to use, and the operation is simple and convenient. The "sterilize" button is pressed again and the heater stops heating.

After the use, when the product needs to be stored, a storage button is pressed down, the controller controls the motor to reversely rotate, the fan reversely rotates to enable air to reversely circulate, the air in the flexible cover is outwards extracted, and if the heater is in a working state at this time, the controller synchronously controls the heater to stop heating. The fan continuously rotates, so that the flexible cover is gradually atrophic into a sheet shape, meanwhile, the reverse rotation of the fan drives the outer ring gear to drive the unidirectional transmission gear to reversely rotate, a ratchet pawl mechanism is arranged between the unidirectional transmission gear and the input gear, the unidirectional transmission gear can drive the input gear to rotate only by reversely rotating, and the input gear does not rotate when the fan positively rotates to charge air in the flexible cover. The input gear rotates to drive the output gear through a gear set in the gearbox, and the output gear rotates to drive the synchronous belt to rotate so as to enable the screw rod to rotate.

When the flexible cover is not atrophic any more, the adjusting rod is pressed down to move to the limit position of the inner side, the adjusting rod moves inwards to drive the driven inclined plane to move, the lower pressing plate moves downwards to the limit position, and meanwhile the first spring is compressed. The lower pressing plate moves downwards to drive the upper jacking column to move downwards, then the sliding head is propped against the screw rod, the second spring is compressed, the screw rod which rotates simultaneously enables the sliding head to slide into the spiral groove, and the sliding head moves towards and away from the direction of the communication port under the guiding action of the screw rod. The sliding head moves to enable the upper jacking column to slide along the lower through groove, and meanwhile the upper jacking column drives the sliding plate to move in the direction away from the communication port. Along with the continuous movement of the upper jacking column, when the sliding plate moves to a limit position far away from the communication port, the upper jacking column does not prop against the lower end of the lower pressing plate, the upper jacking column moves towards the upper end under the action of the elastic force of the second spring, the sliding head is further separated from the screw rod, and the screw rod rotates to prevent the sliding plate from moving. Immediately, the adjusting rod is released, the lower pressing plate moves upwards to the limit position under the action of the elastic force of the first spring, the lower pressing plate moves upwards to enable the driven inclined surface to drive the driving inclined surface to move, and then the adjusting rod moves to the original position, and at the moment, the upper jacking column can slide to the position right below the lower pressing plate again.

Thereupon, pressing "switch" button, controller stop work makes the motor stop rotating, pushes down flaky flexible cover for residual air is extruded in the flexible cover, and afterwards in inserting into the collection chamber in order with the flexible cover, the recapping covers, makes the collection chamber be sealed, pulls out power plug and accomodates this product. The product is divided into a plurality of specifications according to the living situation of actual use and the different sizes of the formed hemispherical cover body, and when the product is specifically used, the proper specifications can be selected for use according to the actual situation. The display screen and the button are arranged on the outer shell of the product, the first temperature and the second temperature can be adjusted to meet different use requirements, meanwhile, the disinfection time can be set, and after disinfection is finished, the controller can automatically control the heater to stop heating.

According to the invention, the flexible cover is arranged, when the air is filled in the flexible cover, the flexible cover expands into the hemispherical cover body capable of covering food, mosquito dust and the like can be isolated, meanwhile, hot air can be uniformly sprayed out from the periphery of the inner wall of the hemispherical cover body, so that the temperature in the hemispherical cover body is uniform, the temperature and freshness of the food are kept, frozen food can be quickly thawed, and after the air temperature is raised, articles such as tableware and the like can be disinfected, clean and sanitary; when the flexible cover is completely exhausted, the flexible cover can be conveniently plugged into the accommodating cavity, so that the occupied volume is reduced, the appearance is regular, and the accommodating and storage are convenient.

According to the invention, the fan is arranged, so that the fan rotates forward to enable external air to enter the accommodating cavity and further enter the flexible cover, and the flexible cover is expanded into the hemispherical cover body, so that food can be covered, mosquito dust and the like are isolated or heat-preserving food is clean and sanitary; the reverse rotation of the fan enables the gas in the flexible cover to be extracted, meanwhile, the reverse rotation of the fan enables the unidirectional transmission gear to drive the input gear to rotate, the screw rod is further enabled to rotate, the adjusting rod is pressed down to enable the sliding head to be abutted against the screw rod, the reverse rotation of the fan enables the screw rod to drive the sliding head to move, the sliding plate is further enabled to move in the direction away from the communication port, the flexible cover can be plugged into the receiving cavity, and accordingly the flexible cover is regular in appearance, small in size and easy to store.

According to the invention, the upper jacking column is arranged, the sliding head is not propped against the screw rod in a natural state, the sliding plate can conveniently slide to be close to the limit position of the communication port, so that the flexible cover is conveniently taken out from the storage cavity, and then the flexible cover is inflated into the hemispherical cover body capable of isolating mosquito dust, so that clean and sanitary food or heat-insulating food is kept; when adjusting the pole and being pressed down, the holding down plate down moves for the slider moves down to offset with the lead screw, and the lead screw rotates and can make the slider remove to accomodate the inboard extreme position of chamber under the guide effect, is convenient for accomodate the arrangement to the flexible cover, and simultaneously when the slider moved to the extreme position who keeps away from the intercommunication mouth, go up the jack-prop and no longer offset with the holding down plate, the holding down plate moves to no longer offset with the lead screw under the elasticity effect of first spring, prevents excessive motion, produces the damage to the structure, safe and reliable, the motion is stable.

The invention can cover food, and the flexible cover forms a hemispherical cover body after being inflated, thereby isolating mosquito dust, being clean and sanitary; the invention can heat air, so that the food covered by the invention can keep temperature, is convenient to use, can quickly defrost frozen food, and is convenient and sanitary; the invention can disinfect articles, and after the air is heated to a certain temperature, bacteria and the like attached to the articles can be killed, thereby improving the sanitation degree and the safety of the articles; the invention is easy to store and arrange, occupies small volume after the gas in the flexible cover is exhausted, can be conveniently plugged into the storage cavity, has regular appearance and is convenient to store and store.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a schematic view of an exploded structure of the present invention.

Fig. 4 and 5 are schematic structural views of the outer case of the present invention.

Fig. 6 is a schematic cross-sectional view of the flexible cover of the present invention.

Fig. 7 is a schematic view of the structure of the mounting frame of the present invention.

Fig. 8 is a schematic structural view of the fan of the present invention.

Fig. 9 is a schematic structural view of the transmission of the present invention.

Fig. 10 is a schematic cross-sectional structure of the sliding plate of the present invention.

Fig. 11 is a schematic view of the structure of the lower platen and the adjustment lever of the present invention.

Fig. 12 is a schematic view of the structure of the present invention when food is sterilized and thawed.

Fig. 13 is a schematic view of the structure of the present invention during storage of the flexible cover.

Fig. 14 and 15 are schematic views showing the structure of the flexible cover of the present invention after being accommodated.

10. An outer housing; 101. a communication port; 102. a guide opening; 103. an upper air inlet; 104. a steering column; 105. a rotation hole; 11. a power plug; 12. an inner mounting rack; 121. a sliding groove; 1211. a lower through groove; 122. a guide post; 123. a gear seat; 124. an air guide pipe; 1241. positioning columns; 1242. a lower air outlet; 125. a storage chamber; 13. a cover; 14. a button; 15. a display screen; 2. a flexible cover; 21. a connecting pipe; 22. an outer discharge port; 23. an inner discharge port; 24. a support block; 31. a fan; 311. an outer ring gear; 32. a motor; 41. a gearbox; 42. an output gear; 43. an input gear; 44. a unidirectional transmission gear; 51. a heater; 52. a support frame; 61. a lower pressing plate; 611. a guide groove; 612. a driven inclined plane; 62. an adjusting rod; 621. a limiting block; 622. a driving inclined plane; 63. a first spring; 71. a screw rod; 72. a linkage gear; 81. a sliding plate; 811. a screw hole; 812. a connection hole; 813. an upper sliding hole; 8131. a lower sliding hole; 82. an upper prop; 821. a slider; 83. and a second spring.

Detailed Description

According to fig. 1 to 15, the intelligent heat-preserving sterilizing cover according to the present embodiment includes an outer housing 10 and a sliding plate 81 horizontally slidably connected to the inside of the outer housing 10; the sliding plate 81 is fixedly connected with a flexible cover 2 which can form a hemispherical cover body outside the outer shell 10; one end of the sliding plate 81, which is far away from the flexible cover 2, is formed with a connecting hole 812 which is communicated with the inside of the flexible cover 2; the inner wall of the flexible cover 2 is uniformly formed with a plurality of inner discharge ports 23 communicated with the inner space of the hemispherical cover.

The inner bottom end of the outer shell 10 is fixedly connected with a rectangular mounting frame 12; a receiving cavity 125 penetrating the mounting frame 12 and slidably connected to the sliding plate 81 is formed in the mounting frame 12 along the sliding direction of the sliding plate 81; one end of the flexible cover 2, which is close to the sliding plate 81, is fixedly connected with a connecting pipe 21 communicated with the inside of the flexible cover 2; the connecting pipe 21 is fixedly inserted into the connecting hole 812 in a sealing way; the flexible cover 2 is formed by an inner arc top and an outer arc top, and a supporting block 24 for connecting the inner arc top and the outer arc top is formed in the flexible cover 2; the inner discharge port 23 is uniformly formed on the inner arc top; the lower end of the flexible cover 2 is uniformly formed with a plurality of outer discharge openings 22 with lower end openings along the circumferential direction for discharging the gas outwards from the hemispherical cover body.

An upper air inlet 103 communicated with the inside of the outer shell 10 is formed on the outer wall of the upper end of the outer shell 10; a fan 31 which is longitudinally arranged and used for driving air circulation and is connected with a rotating shaft is rotatably connected in the outer shell 10 near the upper air inlet 103; a motor 32 for driving the fan 31 to rotate is arranged in the outer casing 10; a heater 51 for heating air is provided in the outer case 10.

The upper end of the mounting frame 12 is positioned right below the upper air inlet 103 and is provided with a longitudinally arranged air guide pipe 124; a positioning column 1241 coaxially arranged with the air guide pipe 124 is formed at the central position of the bottom end of the air guide pipe 124; a lower air outlet 1242 communicated with the accommodating cavity 125 is uniformly formed at the inner bottom end of the air guide pipe 124 along the circumferential direction outside the positioning column 1241; the fan 31 is rotatably connected to the upper part of the air guide pipe 124; the motor 32 is fixedly connected to the upper end of the positioning column 1241; the positioning posts 1241 are provided with a mounting bracket 52 for mounting the heater 51, at the outer periphery thereof, just below the fan 31.

When the fan 31 rotates forward, external air enters the accommodating cavity 125 through the upper air inlet 103, the air guide pipe 124 and the lower air inlet 1242, and then enters the flexible cover 2 through the connecting hole 812 and the connecting pipe 21 in sequence, so that the flexible cover 2 is inflated into a hemispherical cover body capable of covering food, and the heater 51 heats the air entering the hemispherical cover body, so that a certain temperature can be kept in the hemispherical cover body, and then the articles in the hemispherical cover body can be disinfected or insulated.

When the fan 31 rotates reversely, air in the flexible cover 2 is pumped out, the flexible cover 2 is exhausted into a sheet shape which is easy to store, and then can be plugged into the outer shell 10, so that the air-cooling device is small in occupied volume, regular in appearance and convenient to store and store.

Two symmetrically arranged screw rods 71 which are used for driving the sliding plate 81 to slide are rotatably connected in the housing body 10 and positioned in the accommodating cavity 125; the rotation shaft of the screw 71 is arranged along the sliding direction of the sliding plate 81; an input gear 43 in transmission connection with the screw 71 is rotatably connected to the outer casing 10; the input gear 43 is in unidirectional transmission connection with the fan 31.

The inner wall of the outer casing 10 is provided with rotation holes 105 which are respectively formed at two ends of the screw rod 71 and are in rotation connection with the corresponding screw rod 71; a linkage gear 72 with a rotating shaft parallel to the rotating shaft of the screw rod 71 is rotatably connected to the upper end of the mounting frame 12 in the outer shell 10; the upper end of the mounting frame 12 is formed with a gear seat 123 which is rotationally connected with the linkage gear 72 and is used for supporting the linkage gear 72; synchronous belts are respectively arranged between the linkage gear 72 and the two screw rods 71; a plurality of steering columns 104 for steering the synchronous belt are respectively formed on the inner wall of the outer casing 10; the linkage gear 72 rotates so that the two screw rods 71 rotate synchronously.

A gear box 41 for decelerating is arranged in the outer shell 10 and positioned at the upper end of the mounting frame 21; a gear set in transmission connection with the input gear 43 is arranged in the gearbox 41; the outside of the gearbox 41 is rotatably connected with an output gear 42 which is in transmission connection with the gear set and the linkage gear 72; an outer ring gear 311 is formed on the outer wall of the fan 31 near the upper end along the circumferential direction; the upper end of the output gear 42 is rotatably connected with a unidirectional transmission gear 44 which is coaxially arranged with the output gear 42 and is in transmission connection with the outer ring gear 311; a ratchet and pawl mechanism is arranged between the unidirectional transmission gear 44 and the input gear 43; when the fan 31 rotates in the forward direction, the input gear 43 does not rotate; when the fan 31 rotates in the reverse direction, the input gear 43 rotates, and thus the screw 71 rotates.

Screw holes 811 penetrating the sliding plate 81 are formed in the outer circumferences of the two screw rods 71 on the sliding plate 81; two upper jacking posts 82 which can be in sliding connection with the corresponding spiral grooves of the screw rods 71 are longitudinally and slidably connected in the sliding plate 81; an adjusting rod 62 for driving the upper jack 82 to move toward the screw 71 is slidably connected to the outer case 10.

The connecting hole 812 is located between the two screw holes 811; an upper sliding hole 813 longitudinally slidably connected with the upper jack post 82 is formed at the upper end of the sliding plate 81; a sliding head 821 which is smaller than the upper prop 82 in diameter and can be slidably connected with the screw groove of the screw rod 71 is formed at the central position of the lower end of the upper prop 82; a lower sliding hole 8131 communicating with the corresponding screw rod hole 811 and allowing the sliding head 821 to penetrate downward is formed at the central position of the bottom in the upper sliding hole 813; a second spring 83 for moving the upper post 82 upward is provided between the upper post 82 and the upper slide hole 813; in a natural state, the sliding head 821 is not in contact with the screw 71.

When the fan 31 rotates in the forward direction, the screw 71 does not rotate; when the fan 31 rotates reversely, the outer ring gear 311 drives the unidirectional transmission gear 44 to rotate, so that the linkage gear 72 drives the screw rod 71 to rotate, and the upper jack post 82 can drive the sliding plate 81 to slide away from the flexible cover 2 under the guiding action of the screw rod 71, so that the flexible cover 2 can be plugged into the accommodating cavity 125, the occupied volume of the flexible cover 2 is reduced, and the accommodating and storage are facilitated.

Two lower pressing plates 61 capable of propping against the corresponding upper jacking columns 82 are longitudinally and slidably connected in the outer shell 10; one end of the lower pressing plate 61 far away from the upper jacking column 82 is formed with a driven inclined plane 612 which is obliquely arranged; the adjusting lever 62 is formed with a driving inclined surface 622 capable of abutting against the corresponding driven inclined surface 612 to further drive the lower platen 61 to move.

The upper ends of the mounting frames 12 are respectively formed with sliding grooves 121 longitudinally and slidably connected with the corresponding lower pressure plates 61; the sliding grooves 121 are positioned right above the corresponding screw rods 71; the inner bottom of the sliding groove 121 is respectively formed with a lower through groove 1211 connected with the corresponding upper jack post 82 and penetrating into the accommodating cavity 125; the upper jack post 82 is capable of sliding in the corresponding lower through groove 1211 along the rotation axis direction of the screw 71, and is capable of sliding longitudinally relative to the screw.

A plurality of guide grooves 611 are uniformly formed near the periphery at the upper end of the lower pressure plate 61; the upper end of the mounting frame 12 is respectively formed with a plurality of guide posts 122 longitudinally slidably connected with the corresponding guide grooves 611; a plurality of first springs 63 for moving the lower pressure plate 61 upward are uniformly arranged between the lower pressure plate 61 and the upper end of the mounting frame 12; in a natural state, the first spring 63 makes the lower pressure plate 61 be located at an upper limit position.

The length of the guide groove 611 is longer than that of the lower pressure plate 61, when the sliding plate 81 slides to a limit position in a direction away from the flexible cover 2, the upper prop 82 no longer abuts against the lower pressure plate 61, the upper prop 82 moves towards the upper end under the action of the elastic force of the second spring 83, so that the sliding head 821 is separated from the screw rod 71, and the screw rod 71 rotates to prevent the sliding plate 81 from moving, thereby preventing the mechanism from being damaged due to excessive movement of the sliding plate 81.

The side wall of the outer shell 10 is formed with a guide opening 102 which is used for enabling the adjusting rod 62 to extend outwards and is connected with the adjusting rod 62 in a sliding manner; the outer wall of the adjusting rod 62 is located in the outer housing 10, and a stopper 621 that can abut against the inner wall of the outer housing 10 and is used for preventing the adjusting rod 62 from sliding out of the outer housing 10 is formed.

In a natural state, the upper jack post 82 is not in contact with the screw 71; when the adjusting lever 62 is pressed down, the driving inclined surface 622 drives the driven inclined surface 612 to move, so that the lower pressing plate 61 moves downward to a limit position, and the lower pressing plate 61 presses down the upper jacking column 82, so that the upper jacking column 82 abuts against the screw rod 71, and the flexible cover 2 can be retracted into the accommodating cavity 125, and the operation is simple and convenient, time-saving and labor-saving.

The outer wall of the outer housing 10 is provided with a display screen 15 for displaying control parameters and a plurality of buttons 14 for adjusting the parameters. A controller is arranged in the outer shell 10; a power plug which extends out of the outer shell 10 is arranged in the outer shell 10; the power plug, the display 15, the button 14, the motor 32, and the heater 51 are electrically connected to the controller; through the button 14, the heat preservation temperature and the disinfection temperature can be adjusted to meet different use demands, meanwhile, the disinfection time can be set, and when the disinfection is finished, the controller can automatically control the heater 51 to stop heating, so that the device is simple and convenient.

The outer wall of the outer shell 10 is formed with a communication port 101 for making the flexible cover 2 extend outwards; the communication port 101 is opposite to and communicated with the accommodating cavity 125; the outer casing 10 is detachably connected with a cover 13 for closing the communication port 101. When the product is stored, the sliding plate 81 slides to the limit position in the direction away from the flexible cover 2, the flexible cover 2 is orderly plugged into the storage cavity 125, the sealing cover 13 is covered immediately, the flexible cover 2 is stored in the storage cavity 125, the storage is clean and sanitary, and meanwhile, the outer shell 10 is regular in appearance and convenient to store.

When the product is used, the hand holds the outer shell 10 to place the product at the open position, removes the sealing cover 13, pulls the flexible cover 2 out of the accommodating cavity 125, and drives the sliding plate 81 to slide outwards to the limit position close to the communication port 101 when the flexible cover 2 is pulled out, and then spreads the flexible cover 2. The power plug 11 is inserted into the socket, the switch button is pressed, the controller starts to work, the motor 32 is controlled to rotate forward to drive the fan 31 to rotate forward, the fan 31 rotates forward to drive air by the blades, and the outside air enters the storage cavity 125 through the upper air inlet 103, the air guide pipe 124 and the lower air outlet 1242 in sequence. Along with the continuous forward rotation of the fan 31, the air in the accommodating cavity 125 sequentially enters the flexible cover 2 through the connecting hole 812 and the connecting pipe 21, so that the flexible cover 2 is gradually expanded and unfolded into a hemispherical cover body.

When food needs to be protected and mosquito dust is blocked, the outer shell 10 and the flexible cover 2 are held to move the product until the hemispherical cover completely covers the food to be protected, and the flexible cover 2 is flatly attached to the lower plane. At this time, the fan 31 is continuously rotated, and air is continuously filled into the flexible cover 2, so that the shape of the flexible cover 2 is kept unchanged, and excessive air is discharged outwards to the inner part of the hemispherical cover body through the inner discharge port 23, and then the excessive air is discharged outwards through the outer discharge port 22. The flexible cover 2 covers over the food to prevent dust and the like from falling onto the food, and the outer discharge port 22 is externally exhausted to prevent mosquitoes and the like from entering the inside of the hemispherical cover body to pollute the food, thereby keeping the food in a clean and sanitary state.

When the food needs to be insulated, the product is moved until the hemispherical cover body completely covers the food needing to be insulated, the heating button is pressed, the controller controls the heater 51 to work, the air flowing through the air guide pipe 124 is heated to the first temperature by the heater 51, and the air flowing into the flexible cover 2 is changed into hot air. The hot air is sprayed outwards through the inner discharge openings 23 uniformly arranged in the flexible cover 2, so that the inside of the hemispherical cover body is uniformly heated, the food in the hemispherical cover body is kept at a relatively constant temperature, the freshness and the delicacy of the food are ensured, the cold rice and the cold dish can be eaten at any time, and convenience is added for life. Similarly, when the frozen food needs to be defrosted, the product is moved to the hemispherical cover body to completely cover the food needing to be defrosted, the hot air in the hemispherical cover body enables the frozen food to be heated uniformly, the food is defrosted gradually from outside to inside, long waiting is not needed, and the frozen food is defrosted quickly, and is convenient and fast. The "heat" button is pressed again and the heater 51 stops heating.

When the tableware and other articles need to be disinfected, the product is moved to the hemispherical cover body to completely cover the articles to be disinfected, the disinfection button is pressed down, and the controller controls the heater 51 to work so that the air flowing through the air guide pipe 124 is heated to a second temperature which is higher than the first temperature. The high-temperature air enters the hemispherical cover body through the inner discharge opening 23 and heats the inside of the hemispherical cover body, and the high-temperature air kills bacteria microorganisms and the like attached to the articles to be disinfected, so that the aim of disinfection is fulfilled, the articles are more sanitary and safe to use, and the operation is simple and convenient. The "sterilization" button is pressed again and the heater 51 stops heating.

After the use, when the product needs to be stored, the 'storage' button is pressed, the controller controls the motor 32 to reversely rotate, the fan 31 reversely rotates to reversely circulate air, the air in the flexible cover 2 is pumped out, and if the heater 51 is in a working state at this time, the controller synchronously controls the heater 51 to stop heating. The fan 31 continuously rotates, so that the flexible cover 2 is gradually atrophic into a sheet shape, meanwhile, the reverse rotation of the fan 31 enables the outer ring gear 311 to drive the unidirectional transmission gear 44 to reversely rotate, a ratchet pawl mechanism is arranged between the unidirectional transmission gear 44 and the input gear 43, the unidirectional transmission gear 44 can only reversely rotate to drive the input gear 43 to rotate, and when the fan 31 positively rotates to charge air into the flexible cover 2, the input gear 43 does not rotate. The rotation of the input gear 43 is transmitted through a gear set in the gearbox 41 to enable the output gear 42 to rotate, and the rotation of the output gear 42 drives the synchronous belt to rotate so as to enable the screw rod 71 to rotate.

When the flexible cover 2 is not further shrunken, the adjusting lever 62 is pressed down to move to the inner limit position, the adjusting lever 61 moves inwards to enable the driving inclined surface 622 to drive the driven inclined surface 612 to move, and then the lower pressing plate 61 moves downwards to the limit position, and meanwhile the first spring 63 is compressed. The lower pressing plate 61 moves downwards to drive the upper prop 82 to move downwards, so that the sliding head 821 is propped against the screw rod 71, the second spring 83 is compressed, meanwhile, the rotating screw rod 71 enables the sliding head 821 to slide into the spiral groove, and the sliding head 821 moves towards and away from the communication port 101 under the guiding action of the screw rod 71. The sliding head 821 moves to slide the upper jack 82 along the lower through groove 1211, and at the same time, the upper jack 82 drives the sliding plate 81 to move in a direction away from the communication port 101. With the continuous movement of the upper prop 82, when the sliding plate 81 moves to the limit position far away from the communication port 101, the upper prop 82 moves to the upper end under the elastic force of the second spring 83 when the upper prop 82 no longer abuts against the lower end of the lower pressure plate 61, so that the sliding head 821 is separated from the screw 71, and the screw 71 rotates to no longer move the sliding plate 81. Immediately, the adjusting rod 62 is released, the lower pressing plate 61 moves upwards to the limit position under the action of the elastic force of the first spring 63, the lower pressing plate 61 moves upwards to enable the driven inclined surface 612 to drive the driving inclined surface 622 to move, and then the adjusting rod 62 moves to the original position, and at the moment, the upper jacking column 82 can slide to the position right below the lower pressing plate 61 again.

Thereupon, the "switch" button is pressed down, the controller stops working, so that the motor 32 stops rotating, the sheet-shaped flexible cover 2 is pressed down, residual air in the flexible cover 2 is extruded, then the flexible cover 2 is orderly plugged into the accommodating cavity 125, the accommodating cavity 125 is closed by re-covering the sealing cover 13, and the power plug 11 is pulled out to accommodate the product. The product is divided into a plurality of specifications according to the living situation of actual use and the different sizes of the formed hemispherical cover body, and when the product is specifically used, the proper specifications can be selected for use according to the actual situation. The display screen 15 and the button 14 are arranged on the outer shell 10 of the product, the first temperature and the second temperature can be adjusted to meet different use requirements, meanwhile, the disinfection time can be set, and after disinfection is finished, the controller can automatically control the heater 51 to stop heating.

According to the invention, the flexible cover 2 is arranged, when the air is filled in the flexible cover 2, the flexible cover 2 expands into the hemispherical cover body capable of covering food, mosquito dust and the like can be isolated, meanwhile, hot air can be uniformly sprayed out from the periphery of the inner wall of the hemispherical cover body, so that the temperature in the hemispherical cover body is uniform, the temperature and freshness of the food are kept, frozen food can be quickly thawed, and after the air temperature is raised, articles such as tableware and the like can be disinfected, clean and sanitary; when the flexible cover 2 is completely exhausted, the flexible cover 2 can be conveniently plugged into the accommodating cavity 125, so that the occupied volume is reduced, the appearance is regular, and the accommodating and storage are convenient.

According to the invention, the fan 31 is arranged, so that the fan 31 rotates forward to enable external air to enter the accommodating cavity 125 and then enter the flexible cover 2, and the flexible cover 2 is expanded into a hemispherical cover body, so that food can be covered, mosquito dust and the like or heat-insulating food can be isolated, and the multifunctional mosquito-repellent incense is clean and sanitary; the reverse rotation of the fan 31 enables the air in the flexible cover 2 to be extracted, meanwhile, the reverse rotation of the fan 31 enables the unidirectional transmission gear 44 to drive the input gear 43 to rotate, the screw rod 71 is further enabled to rotate, the adjusting rod 62 is pressed down to enable the sliding head 821 to be abutted against the screw rod 71, the reverse rotation of the fan 31 enables the screw rod 71 to drive the sliding head 821 to move, the sliding plate 81 is further enabled to move in the direction away from the communication port 101, and the flexible cover 2 can be plugged into the receiving cavity 125, so that the flexible cover is regular in appearance, small in size and easy to store.

According to the invention, the upper support column 82 is arranged, and in a natural state, the sliding head 821 is not propped against the screw rod 71, the sliding plate 81 can conveniently slide to be close to the limit position of the communication port 101, so that the flexible cover 2 can be conveniently taken out from the storage cavity 125, and the flexible cover 2 is inflated into a hemispherical cover body capable of isolating mosquito dust, so that clean and sanitary food or heat-preservation food can be kept; when the adjusting lever 62 is pressed down, the lower pressure plate 61 moves downwards, so that the sliding head 821 moves downwards to be propped against the screw rod 71, the screw rod 71 rotates to enable the sliding head 821 to move to the limit position of the inner side of the accommodating cavity 125 under the guiding effect, the accommodating and arrangement of the flexible cover 2 are facilitated, meanwhile, when the sliding plate 81 moves to the limit position far away from the communication port 101, the upper prop 82 does not prop against the lower pressure plate 61, the lower pressure plate 61 moves upwards to not prop against the screw rod 71 under the elastic force of the first spring 63, excessive movement is prevented, the structure is damaged, and the device is safe and reliable, and the movement is stable.

Claims

1. An intelligent heat preservation disinfection cover which is characterized in that: comprises an outer shell and a sliding plate which is connected inside the outer shell in a sliding way; the sliding plate is fixedly connected with a flexible cover which can form a cover body outside the shell; one end of the sliding plate, which is far away from the flexible cover, is formed with a connecting hole communicated with the inside of the flexible cover; the inner wall of the flexible cover is uniformly formed with a plurality of inner discharge ports communicated with the inner space of the cover body; an upper air inlet communicated with the inside of the outer shell body is formed in the outer wall of the outer shell body; a fan for driving air to circulate is rotatably connected in the outer shell body close to the upper air inlet; a motor for driving the fan to rotate is arranged in the outer shell; a heater for heating air is arranged in the outer shell; when the fan rotates forwards, the flexible cover is inflated to be a cover body capable of covering food, so that articles in the cover body can be disinfected or insulated; when the fan rotates reversely, air in the flexible cover is pumped out, and the flexible cover is in a sheet shape which is easy to store, so that the air can be plugged into the outer shell;

the outer shell is rotationally connected with a screw rod for driving the sliding plate to slide; an input gear in transmission connection with the screw rod is rotationally connected in the outer shell; the input gear is in unidirectional transmission connection with the fan; a screw rod hole penetrating through the sliding plate is formed in the periphery of the screw rod on the sliding plate; an upper jacking column which can be in sliding connection with the spiral groove of the screw rod is connected in a sliding manner in the sliding plate; the outer shell is internally and slidably connected with an adjusting rod for driving the upper jacking column to move towards the direction of the screw rod; when the fan rotates in the forward direction, the screw rod does not rotate; when the fan reversely rotates, the screw rod rotates, and the upper jacking column can drive the sliding plate to slide in a direction away from the flexible cover under the guiding action of the screw rod.

2. An intelligent thermal insulation disinfection cover as claimed in claim 1, wherein: a lower pressing plate capable of propping against the upper jacking column is connected in the outer shell in a sliding manner; one end of the lower pressing plate, which is far away from the upper jacking column, is formed with a driven inclined plane which is obliquely arranged; a driving inclined plane which can prop against the driven inclined plane and further drive the lower pressing plate to move is formed on the adjusting rod; in a natural state, the upper jacking column is not contacted with the screw rod; when the adjusting rod is pressed down, the upper jacking column is abutted against the screw rod.

3. An intelligent thermal insulation disinfection cover as claimed in claim 1, wherein: the outer wall of the outer shell is provided with a display screen for displaying control parameters and a plurality of buttons for adjusting the parameters.

4. An intelligent thermal insulation disinfection cover as claimed in claim 1, wherein: the outer wall of the outer shell is formed with a communication port for enabling the flexible cover to extend outwards; and the outer shell is detachably connected with a sealing cover for sealing the communication port.