CN115191794A

CN115191794A - Automatic three-dimensional refrigerator adopting all-air primary return air refrigerating system

Info

Publication number: CN115191794A
Application number: CN202210852400.XA
Authority: CN
Inventors: 撒厚颋; 张少杰; 刘金龙
Original assignee: Beijing Jiade Shichuang Refrigeration Technology Co ltd
Current assignee: Beijing Jiade Shichuang Refrigeration Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-10-18

Abstract

The invention discloses an automatic three-dimensional refrigerator adopting an all-air primary return air refrigerating system, which comprises a cabinet body, a plurality of supporting platforms, a refrigerating system, a fan and a control device, wherein a gap space outside the cabinet body is a refrigerating room, a glass side plate is respectively fixed on the left side wall and the right side wall of the refrigerating room, a roller shutter device is arranged at the front part of a top cabinet of the cabinet body, and a rod releasing device is arranged at the front upper part of a bottom cabinet of the cabinet body; a positioning assembly is arranged in the plate groove of each support platform, a support is respectively arranged on the left side wall and the right side wall of each support platform, and a plurality of support platforms are vertically arranged and installed on the rear side wall of the refrigerated cabinet; the refrigerating system and the fan are both arranged in the inner cavity of the bottom cabinet of the cabinet body; the control device is electrically connected with the refrigerating system and the fan and is arranged in a groove on the left wall of the cabinet body. The angle of the supporting platform can be adjusted, so that the food can be conveniently displayed in a wide angle; and moreover, the charging transparent film is arranged, so that the problem of troublesome disassembly and assembly of the door curtain is avoided.

Description

Automatic three-dimensional refrigerator adopting full-air primary return air refrigerating system

Technical Field

The invention relates to the technical field of vertical refrigerated cabinets, in particular to an automatic three-dimensional refrigerator adopting a full-air primary return air refrigerating system.

Background

The vertical refrigerator is used for refrigerating beverage, food, sour milk, lunch box, industrial articles, etc. and has computerized digital precise temperature control system with temperature regulating range of 0-10 deg.c. Vertical refrigerated cabinets are typically air cooled using an all-air primary return air refrigeration system. The vertical refrigerated cabinet is commonly used in restaurants, supermarkets and other places for storing and displaying foods needing refrigeration, such as fruits, vegetables, balls and the like, so that a cabinet door is not arranged generally, and the vertical refrigerated cabinet is a semi-closed cabinet body.

The supporting platforms of the vertical refrigerated cabinets in the prior art are usually horizontally fixed, the angle cannot be adjusted, the commodities are displayed at a large angle, and the supporting platforms above the supporting platforms are inconvenient to clean; in addition, the semi-enclosed refrigerator is equipped with a detachable transparent door curtain, so that the disassembly and assembly process is very troublesome, and another place needs to be specially found for storing the door curtain. Accordingly, one skilled in the art has provided an automated stereo freezer that employs an all-air primary return air refrigeration system to address the problems set forth above in the background.

Disclosure of Invention

In order to solve the technical problems, the invention provides an automatic three-dimensional refrigerator adopting an all-air primary return air refrigerating system, which comprises a refrigerator body, a plurality of supporting platforms, a refrigerating system, a fan and a control device, wherein a strip-shaped notch arranged on the front side wall of a bottom cabinet of the refrigerator body is a bayonet, a gap space outside the refrigerator body is a refrigerating room, a glass side plate is respectively fixed on the left side wall and the right side wall of the refrigerating room, a roller shutter device is arranged at the front part of a top cabinet of the refrigerator body, and a rod releasing device is arranged at the front upper part of the bottom cabinet of the refrigerator body; each support is of an inverted plate groove structure, a label flange is arranged at the front end of each support, grooves formed in the left side edge and the right side edge of the plate groove of each support are side grooves, strip-shaped through holes formed in the outer side wall of each side groove are sliding holes, a positioning assembly is arranged in the plate groove of each support, a support is arranged on the left side wall and the right side wall of each support, and a plurality of supports are arranged up and down and are mounted on the rear side wall of the refrigerated cabinet; the refrigerating system and the fan are both arranged in the inner cavity of the bottom cabinet of the cabinet body; the control device is electrically connected with the refrigerating system and the fan and is arranged in a groove on the left wall of the cabinet body.

Preferably: the rear side wall of the refrigerating room is fixedly provided with a plurality of parallel shunt tubes, the fixed end of each shunt tube is fixedly provided with an LED lamp tube, each shunt tube is arranged on the upper side of one supporting platform, and each LED lamp tube is connected with the control device.

Preferably: the cavity that sets up in the top cabinet of the cabinet body is the wind chamber, be provided with the filter screen in the diapire through-hole in wind chamber.

Preferably: the structure of the support comprises a first supporting rod, a second supporting rod, a first fixing block, a second fixing block and a guide pillar, wherein the first fixing block and the second fixing block are fixed on the rear side wall of the refrigeration room, a circular through hole formed in the first fixing block is a connecting hole, and the connecting hole is aligned with a top pipe hole of the first supporting rod; the second fixing block is coaxially and rotatably connected with the bottom of the first supporting rod and the bottom of the second supporting rod; the guide post is fixed at the front part of the side groove, and a sliding block is sleeved on the guide post; the top of the first supporting rod is tubular, and is rotatably connected with the through hole of the left wall or the right wall at the rear end part of the supporting platform; the top of the second supporting rod is connected with the sliding block in a rotating mode after extending into the sliding hole.

Preferably: the structure of the positioning assembly comprises three fixing blocks, a first handle rod and a second handle rod, wherein the three fixing blocks are two, the two fixing blocks are respectively fixed at the rear end parts of left and right side grooves, a connecting column is slidably connected in the transverse through hole of each three fixing blocks after left, a first screw column falls into a threaded hole at the inner side end of the connecting column, the inner side end part of the first screw column is rotatably connected at the inner side end part of the transverse through hole, a first gear is fixed at the inner side end of the first screw column, and the two third fixing block connecting columns are inserted into connecting holes of the first fixing blocks of the two supports after passing through top tube holes of first supporting rods of the two supports respectively; the first handle rod is arranged at the rear part of the plate groove of the supporting platform, two ends of the first handle rod are respectively and rotatably connected with the two third fixed blocks, two second gears are respectively fixed at two end parts of the first handle rod, and the two second gears are respectively meshed with the first gears on the two third fixed blocks; no. two handle bars set up in the front portion of the board groove of a platform, screw in two reverse No. two screw posts respectively in the both ends hole of No. two handle bars, the outside end of two screw posts respectively with the slider fixed connection of two supports.

Preferably: the structure of the roller shutter device comprises a scroll, a vertical rod and an outer cover, wherein the scroll is rotatably connected in a groove on the bottom side wall of a top cabinet of the cabinet body, and a transparent film is wound on the scroll; the vertical rod is fixedly connected with the bottom edge of the transparent film; the multifunctional wardrobe is characterized in that a chain wheel is arranged in the outer cover, the chain wheel is matched with a chain, the chain extends out of the outer cover, the chain wheel is fixedly connected with the right end of the scroll, and the outer cover is fixed on the right side wall of a top cabinet of the wardrobe body.

Preferably: the structure of the rod releasing device comprises a guide sleeve, a press head, a plurality of abutting columns and a plurality of guide blocks, wherein each abutting column is arranged in a through hole in the rear side wall of the bayonet; the guide blocks are fixed on the inner wall of the cabinet body, and each guide block is connected to the left side wall of one wedge-shaped block in a front-back sliding mode; the guide sleeve is fixed in an inner cavity of a bottom cabinet of the cabinet body, a sliding rod is arranged in a tube hole of the guide sleeve, a plurality of push blocks are fixed on the front side wall of the sliding rod, each push block extends out of a strip-shaped through hole in the guide sleeve and is matched with a wedge-shaped block, and the right end part of the sliding rod extends out of the right wall of the cabinet body; the press head is fixed at the right end of the sliding rod, a second spring is sleeved at the right end of the sliding rod, and two ends of the second spring are respectively abutted to the outer side wall of the cabinet body and the press head.

Preferably: a plurality of outlets of the refrigerating system are respectively communicated with a plurality of shunt tubes through an air supply pipe; the outlet of the fan is communicated with an air inlet pipeline of the refrigerating system, and the inlet of the fan is communicated with the air cavity through an air suction pipe.

The invention has the technical effects and advantages that:

1. the invention is provided with the supporting platform, and the supporting platform of the vertical type refrigerated cabinet in the prior art is usually fixed and cannot be adjusted in angle; according to the invention, the second handle rod is pulled downwards to enable the second screw column to fall into the second handle rod, so that the sliding block slides back and forth after loosening, and the second handle rod rotates downwards or upwards, so that the supporting platform rotates downwards or upwards around the first fixing block to adjust the inclination angle of the supporting platform, and commodities can be displayed at a lighting angle; according to the invention, the first screw column is driven to rotate by pulling the first handle rod downwards so as to control the connecting column to retract into the supporting platform and then leave the connecting hole, so that the supporting platform can rotate forwards and downwards around the second fixing block after being separated from the first fixing block, and the supporting platform can be tilted forwards and conveniently cleaned.

2. The invention is provided with the roller shutter device, and the door curtain of the vertical refrigerator in the prior art is detachable, which is not beneficial to disassembly, assembly and storage; according to the invention, the transparent film is wound on the top cabinet of the cabinet body through the winding shaft, and the rotation of the winding shaft is controlled through the chain, so that after the transparent film is wound and unwound by the winding shaft, the hanging rod drives the transparent film to naturally hang down and cover the front of the refrigerating room.

3. The invention is provided with the rod-releasing device, and the door curtain of the vertical refrigerator in the prior art usually naturally falls, but inevitably has larger gaps due to folds and is not beneficial to storage; according to the invention, the hanging rod is clamped into the bayonet, so that the transparent film is tensioned and tightly covers the front of the refrigerating chamber; according to the invention, the sliding rod is pressed leftwards, so that the pushing block pushes the wedge block forwards to drive the abutting column to extend forwards into the bayonet, the vertical rod in the bayonet can be pushed forwards out, and the vertical rod can be conveniently taken out of the bayonet.

Drawings

Fig. 1 is a perspective view of an automated freezer incorporating an all-air primary return air refrigeration system according to an embodiment of the present disclosure;

fig. 2 is a perspective view of a support platform in an automatic stereo refrigerator using an all-air primary return air refrigeration system according to an embodiment of the present application;

fig. 3 is a perspective view of a support platform of an automatic stereo freezer using an all-air primary return air refrigeration system according to an embodiment of the present application after being turned over;

fig. 4 is a top cross-sectional view of a left rear corner portion of a support stand in an automatic stereo freezer using an all-air primary return air refrigeration system according to an embodiment of the present application;

fig. 5 is a cross-sectional view of a left end portion of a supporting platform in an automatic stereo refrigerator adopting an all-air primary return air refrigeration system according to an embodiment of the present application;

fig. 6 is a left side sectional view of an automated freezer incorporating an all-air primary return air refrigeration system as provided by an embodiment of the present application;

fig. 7 is a top cross-sectional view of a front portion of a top cabinet of a cabinet body of an automated freezer that utilizes an all-air primary return air refrigeration system according to an embodiment of the present disclosure;

fig. 8 is a top cross-sectional view of the upper right corner of the bottom cabinet of the cabinet body of an automated freezer incorporating an all-air once-return-air refrigeration system as provided by an embodiment of the present application;

in the figure: the refrigerator comprises a cabinet body 10, a refrigerating room 11, a glass side plate 12, a bayonet 13, a supporting platform 14, a side groove 15, a sliding hole 16, a first supporting rod 17, a first fixing block 18, a second supporting rod 19, a second fixing block 20, a third fixing block 21, a connecting column 22, a first screw column 23, a first gear 24, a first handle rod 25, a second gear 26, a sliding block 27, a guide column 28, a second screw column 29, a second handle rod 30, a label blocking edge 31, an air supply pipe 32, a fan 33, an air suction pipe 34, a shunt pipe 35, an LED lamp tube 36, an air cavity 37, a filter screen 38, a scroll 39, a transparent film 40, a hanging rod 41, a chain wheel 42, an outer cover 43, a zipper 44, a support column 45, a wedge-shaped block 46, a first spring 47, a guide block 48, a guide sleeve 49, a sliding rod 50, a pushing block 51, a pressing head 52, a second spring 53 and a refrigerating system 54.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 8, in the present embodiment, an automatic three-dimensional freezer using an all-air primary return air refrigeration system is provided, including a cabinet body 10, a strip notch provided on a front side wall of a bottom cabinet of the cabinet body 10 is a bayonet 13, a gap space outside the cabinet body 10 is a refrigerating room 11, a glass side plate 12 is respectively fixed on a left side wall and a right side wall of the refrigerating room 11, a plurality of parallel shunt tubes 35 are fixed on a rear side wall of the refrigerating room 11 for transversely dispersing cold air, and a LED lamp tube 36 is fixed at a fixed end of each shunt tube 35 for illuminating that each shunt tube 35 is respectively provided on an upper side of a support 14; a cavity arranged in the top cabinet of the cabinet body 10 is an air cavity 37, and a filter screen 38 is arranged in a through hole in the bottom wall of the air cavity 37 and used for filtering air; a roller shutter device is arranged at the front part of the top cabinet of the cabinet body 10, and a rod releasing device is arranged at the front upper part of the bottom cabinet of the cabinet body 10;

the structure of the rolling blind device comprises a rolling shaft 39, a vertical rod 41 and an outer cover 43, wherein the rolling shaft 39 is rotatably connected in a groove on the bottom side wall of the top cabinet of the cabinet body 10, and a transparent film 40 is wound on the rolling shaft 39; the hanging rod 41 is fixedly connected with the bottom edge of the transparent film 40; a chain wheel 42 is arranged in the outer cover 43, the chain wheel 42 is matched with a chain 44, the chain 44 extends out of the outer cover 43, the chain wheel 42 is fixedly connected with the right end of the reel 39, and the outer cover 43 is fixed on the right side wall of the top cabinet of the cabinet body 10;

when the refrigerating chamber 11 is closed, the zipper 44 is pulled forward to drive the chain wheel 42 to rotate, the chain wheel 42 drives the scroll 39 to rotate, the transparent film 40 is reeled and placed on the scroll 39, the hanging rod 41 drives the transparent film 40 to naturally hang down, and after the transparent film 40 is completely reeled and placed, the hanging rod 41 can be clamped into the bayonet 13 to stretch the transparent film 40, so that the transparent film 40 covers the front face of the refrigerating chamber 11, and the food can be prevented from being polluted by flying insects; when the refrigerating room 11 is opened, the rod 41 is pushed out of the bayonet 13 by the rod-releasing device, then the chain 44 is pulled reversely to drive the reel 39 to reel the transparent film 40, and the transparent film 40 is reeled and stored in the top cabinet of the cabinet body 10;

the structure of the rod releasing device comprises a guide sleeve 49, a press head 52, a plurality of abutting columns 45 and a plurality of guide blocks 48, wherein each abutting column 45 is arranged in a through hole in the rear side wall of the bayonet 13, a wedge-shaped block 46 is fixed at the rear end of each abutting column 45, a first spring 47 is sleeved on each abutting column 45, and two ends of the first spring 47 are respectively abutted against the wedge-shaped block 46 and the inner wall of the cabinet body 10 to provide backward thrust for the wedge-shaped block 46; a plurality of guide blocks 48 are fixed on the inner wall of the cabinet 10, and each guide block 48 is connected to the left side wall of one wedge block 46 in a front-back sliding manner, so as to guide the wedge blocks 46 front and back; the guide sleeve 49 is fixed in an inner cavity of a bottom cabinet of the cabinet body 10, a sliding rod 50 is arranged in a tube hole of the guide sleeve 49, a plurality of push blocks 51 are fixed on the front side wall of the sliding rod 50, each push block 51 protrudes out from a strip-shaped through hole on the guide sleeve 49 and is matched with one wedge block 46, and the right end part of the sliding rod 50 protrudes out from the right wall of the cabinet body 10; the press head 52 is fixed at the right end of the sliding rod 50, a second spring 53 is sleeved at the right end of the sliding rod 50, and two ends of the second spring 53 are respectively abutted against the outer side wall of the cabinet body 10 and the press head 52 to provide right thrust for the press head 52;

when the hanging rod 41 is pushed out of the bayonet 13, the sliding rod 50 is pushed leftwards through the press head 52, the sliding rod 50 pushes the wedge block 46 forwards through the push block 51, the wedge block 46 drives the prop 45 to move forwards, so that the prop 45 is inserted into the bayonet 13, and the hanging rod 13 in the bayonet 13 is pushed forwards; then, the press head 52 is released, the sliding rod 50 slides rightwards under the action of the second spring 53 and then resets, and the support pillar 45 and the wedge block 46 slide backwards under the thrust of the first spring 47 and reset.

The refrigerator shelf further comprises a plurality of supporting platforms 14, each supporting platform 14 is of an inverted plate groove structure, a label flange 31 is arranged at the front end of each supporting platform 14, grooves formed in the left side and the right side of the plate groove of each supporting platform 14 are side grooves 15, strip-shaped through holes formed in the outer side wall of each side groove 15 are sliding holes 16, a positioning assembly is arranged in the plate groove of each supporting platform 14, a support is arranged on the left side wall and the right side wall of each supporting platform 14, and the supporting platforms 14 are arranged up and down and are installed on the rear side wall of the refrigerator shelf 11;

the structure of the support comprises a first supporting rod 17, a second supporting rod 19, a first fixing block 18, a second fixing block 20 and a guide post 28, wherein the first fixing block 18 and the second fixing block 20 are fixed on the rear side wall of the refrigeration room 11, a circular through hole formed in the first fixing block 18 is a connecting hole, and the connecting hole is aligned with a top pipe hole of the first supporting rod 17; the second fixing block 20 is coaxially and rotatably connected with the bottom of the first supporting rod 17 and the bottom of the second supporting rod 19; the guide post 28 is fixed at the front part of the side groove 15, and a sliding block 27 is sleeved on the guide post 28; the top of the first supporting rod 17 is tubular, and is rotatably connected with a through hole in the left wall or the right wall of the rear end part of the supporting platform 14; the top of the second support rod 19 is inserted into the sliding hole 16 and then is rotatably connected with the sliding block 27;

when the inclination angle of the supporting platform 14 is adjusted, the sliding block 27 can slide forwards along the guide post 28 to drive the front end of the second supporting rod 19 to rotate forwards and downwards, so that the rear end part of the supporting platform 14 rotates downwards around the first fixing block 17, the supporting platform 14 is inclined downwards, and commodities can be displayed at a light angle; when the supporting table 14 is cleaned, the positioning assembly can be adjusted, so that the supporting table 14 is separated from the first fixing block 18, the supporting table 14 can be turned forwards through the bracket, the supporting table 14 is enabled to extend forwards to the front part of the refrigerating room 11 and incline downwards, and the top surface of the supporting table 14 is convenient to clean;

the structure of the positioning assembly comprises a third fixing block 21, a first handle rod 25 and a second handle rod 30, wherein the third fixing block 21 is provided with two fixing blocks which are respectively fixed at the rear end parts of left and right side grooves 15, a connecting column 22 is slidably connected in a transverse through hole of each third fixing block 21 from left to right, a first screw column 23 falls into a threaded hole at the inner side end of the connecting column 22, the inner side end part of the first screw column 23 is rotatably connected at the inner side end part of the transverse through hole, a first gear 24 is fixed at the inner side end of the first screw column 23, and the connecting columns of the two third fixing blocks 21 are inserted into connecting holes of first fixing blocks 18 of the two supports after passing through top tube holes of first supporting rods 17 of the two supports respectively; the first handle rod 25 is arranged at the rear part of the plate groove of the supporting platform 14, two ends of the first handle rod 25 are respectively rotatably connected with the two third fixed blocks 21, two second gears 26 are respectively fixed at two end parts of the first handle rod 25, and the two second gears 26 are respectively meshed with the first gears 24 on the two third fixed blocks 21; the second handle rod 30 is arranged at the front part of the plate groove of the supporting platform 14, two opposite second screw posts 29 are screwed into holes at two ends of the second handle rod 30 respectively, and the outer side ends of the two screw posts 29 are fixedly connected with the sliding blocks 27 of the two supports respectively;

when the angle of the supporting platform 14 is adjusted, the second handle 30 needs to be rotated downwards, so that the second screw post 29 is screwed into the second handle 30, no pressure is applied to the sliding block 27, the sliding block 27 can slide back and forth along the guide post 28, after the adjustment is completed, the second handle 30 is rotated upwards, so that the second screw post 29 is screwed outwards, the sliding block 27 is pressed outwards, and the sliding block 27 can be prevented from sliding by pressing the sliding block 27; when the supporting table 14 is cleaned, the first handle rod 25 needs to be rotated downwards, the second gear 26 drives the first gear 24 to rotate after rotating along with the first handle rod 25, the first gear 24 drives the first screw post 23 to rotate, the connecting post 22 is screwed inwards and then retracts into the supporting table 14, the connecting post leaves the connecting hole of the first fixing block 18, and the supporting table 14 is separated from the connection of the first fixing block 18.

The refrigerator further comprises a refrigerating system 54 and a fan 33, wherein the refrigerating system 54 and the fan 33 are both arranged in the inner cavity of the bottom cabinet of the cabinet body 10; a plurality of outlets of the refrigerating system 54 are respectively communicated with a plurality of shunt tubes 35 through a blast pipe 32; the outlet of the fan 33 is communicated with an air inlet pipeline of the refrigerating system 51, and the inlet of the fan 33 is communicated with the air cavity 37 through an air suction pipe 34;

when the refrigeration room works, air in the refrigeration room 11 mixed with outside air is filtered by the filter screen 38 and enters the air cavity 37, the fan 33 sucks the air in the air cavity 37 through the air suction pipe 34 and sends the air into the refrigeration system 54, the refrigeration system 54 cools the air and sends the air into different branch pipes 35 through different air supply pipes 32, and the different branch pipes 35 transversely disperse and blow cold air onto different branch platforms 14 to cool food on the branch platforms 14.

The refrigerator further comprises a control device, wherein the control device is electrically connected with the refrigerating system, the fan and the LED lamp tubes 36, is installed in a groove in the left wall of the cabinet body 10 and is used for controlling the refrigerator to work.

The refrigeration system, the fan and the LED lamp tube in embodiment 1 can be purchased in the market of accessories of refrigerated cabinets, and belong to the prior art, and the control device thereof can also be provided by manufacturers, and can be fully realized by those skilled in the art, and needless to say, the protection content of the present invention does not relate to the improvement of the internal structure and the method.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. An automatic three-dimensional freezer adopting an all-air once-return air refrigerating system comprises a freezer body (10), a plurality of supporting platforms (14), a refrigerating system (54), a fan (33) and a control device, and is characterized in that a strip-shaped notch arranged on the front side wall of a bottom cabinet of the freezer body (10) is a bayonet (13), the outer clearance space of the freezer body (10) is a refrigerating room (11), a glass side plate (12) is respectively fixed on the left side wall and the right side wall of the refrigerating room (11), a roller shutter device is arranged at the front part of a top cabinet of the freezer body (10), and a rod releasing device is arranged at the front upper part of the bottom cabinet of the freezer body (10); each supporting platform (14) is of an inverted plate groove structure, the front end of each supporting platform is provided with a label flange (31), the left side and the right side of the plate groove of each supporting platform (14) are respectively provided with a side groove (15), the outer side wall of each side groove (15) is provided with a strip-shaped through hole (16), the plate groove of each supporting platform (14) is internally provided with a positioning assembly, the left side wall and the right side wall of each supporting platform (14) are respectively provided with a support, and a plurality of supporting platforms (14) are vertically arranged and installed on the rear side wall of the refrigerated cabinet (11); the refrigerating system (54) and the fan (33) are both arranged in the inner cavity of the bottom cabinet of the cabinet body (10); the control device is electrically connected with the refrigerating system and the fan and is arranged in a groove on the left wall of the cabinet body (10).

2. An automatic stereo refrigerator using an all-air once-return-air refrigerating system as claimed in claim 1, wherein a plurality of parallel shunt tubes (35) are fixed on the rear side wall of the refrigerating room (11), an LED lamp tube (36) is fixed at the fixed end of each shunt tube (35), each shunt tube (35) is respectively arranged on the upper side of a supporting platform (14), and each LED lamp tube (36) is connected with the control device.

3. The automatic three-dimensional refrigerator with the all-air once-return air refrigerating system according to claim 1, wherein the top cabinet of the cabinet body (10) is provided with a hollow cavity (37), and a filter screen (38) is arranged in a through hole of the bottom wall of the hollow cavity (37).

4. The automatic three-dimensional refrigerator adopting the all-air primary return air refrigerating system according to claim 1, wherein the bracket structure comprises a first support rod (17), a second support rod (19), a first fixing block (18), a second fixing block (20) and a guide post (28), the first fixing block (18) and the second fixing block (20) are both fixed on the rear side wall of the refrigerating room (11), a circular through hole formed in the first fixing block (18) is a connecting hole, and the connecting hole is aligned with a top pipe hole of the first support rod (17); the second fixing block (20) is coaxially and rotatably connected with the bottom of the first supporting rod (17) and the bottom of the second supporting rod (19); the guide post (28) is fixed at the front part of the side groove (15), and a sliding block (27) is sleeved on the guide post (28); the top of the first supporting rod (17) is tubular, and is rotatably connected with a through hole in the left wall or the right wall of the rear end part of the supporting platform (14); the top of the second support rod (19) is inserted into the sliding hole (16) and then is rotatably connected with the sliding block (27).

5. The automatic three-dimensional refrigerator adopting the all-air primary return air refrigeration system is characterized in that the positioning assembly comprises two fixing blocks (21), two handle rods (25) and two handle rods (30), the two fixing blocks (21) are fixed at the rear end parts of the left side groove (15) and the right side groove (15) respectively, a connecting column (22) is connected in a sliding mode in the transverse through hole of each fixing block (21) from left to right, a first screw column (23) falls into a threaded hole in the inner side end of the connecting column (22), the inner side end part of the first screw column (23) is rotatably connected to the inner side end part of the transverse through hole, a first gear (24) is fixed at the inner side end of the first screw column (23), and the connecting columns of the two fixing blocks (21) are inserted into connecting holes in the first fixing blocks (18) of the two supports after passing through top tube holes in the first supporting rods (17) of the two supports respectively; the first handle rod (25) is arranged at the rear part of the plate groove of the supporting platform (14), two ends of the first handle rod (25) are respectively and rotatably connected with the two third fixing blocks (21), two second gears (26) are respectively fixed at two end parts of the first handle rod (25), and the two second gears (26) are respectively meshed with the first gears (24) on the two third fixing blocks (21); no. two handle pole (30) set up in the front portion in the board groove of a platform (14), two reverse No. two screw posts (29) are advanced in the both ends hole of No. two handle pole (30) respectively to the spiral shell, and the outside end of two screw posts (29) respectively with slider (27) fixed connection of two supports.

6. An automatic stereo refrigerator using an all-air once-return-air refrigerating system as claimed in claim 1, wherein the structure of the rolling curtain device comprises a rolling shaft (39), a vertical rod (41) and a cover (43), the rolling shaft (39) is rotatably connected in a groove on the bottom side wall of the top cabinet of the cabinet body (10), and a transparent film (40) is wound on the rolling shaft (39); the vertical rod (41) is fixedly connected with the bottom edge of the transparent film (40); the multifunctional wardrobe is characterized in that a chain wheel (42) is arranged in the outer cover (43), the chain wheel (42) is matched with a chain (44), the chain (44) extends out of the outer cover (43), the chain wheel (42) is fixedly connected with the right end of the reel (39), and the outer cover (43) is fixed on the right side wall of the top cabinet of the wardrobe body (10).

7. The automatic three-dimensional refrigerator adopting the all-air once-return air refrigerating system as claimed in claim 1, wherein the structure of the rod-releasing device comprises a guide sleeve (49), a pressing head (52), a plurality of abutting columns (45) and a plurality of guide blocks (48), each abutting column (45) is arranged in a through hole in the rear side wall of the bayonet (13), a wedge-shaped block (46) is fixed at the rear end of each abutting column (45), a first spring (47) is sleeved on each abutting column (45), and two ends of the first spring (47) abut against the wedge-shaped block (46) and the inner wall of the cabinet body (10) respectively; a plurality of guide blocks (48) are fixed on the inner wall of the cabinet body (10), and each guide block (48) is connected to the left side wall of one wedge-shaped block (46) in a front-back sliding manner; the guide sleeve (49) is fixed in an inner cavity of a bottom cabinet of the cabinet body (10), a sliding rod (50) is arranged in a tube hole of the guide sleeve (49), a plurality of push blocks (51) are fixed on the front side wall of the sliding rod (50), each push block (51) extends out of a strip-shaped through hole in the guide sleeve (49) and is matched with one wedge-shaped block (46), and the right end part of the sliding rod (50) extends out of the right wall of the cabinet body (10); the button (52) is fixed at the right end of the sliding rod (50), a second spring (53) is sleeved at the right end of the sliding rod (50), and two ends of the second spring (53) are respectively abutted against the outer side wall of the cabinet body (10) and the button (52).

8. An automatic stereo refrigerator using an all-air once-return-air refrigerating system as claimed in claim 1, wherein a plurality of outlets of the refrigerating system (54) are respectively communicated with a plurality of shunt tubes (35) through a blast pipe (32); the outlet of the fan (33) is communicated with an air inlet pipeline of the refrigerating system (51), and the inlet of the fan (33) is communicated with the air cavity (37) through an air suction pipe (34).