CN113974383B

CN113974383B - Horizontal open air curtain cabinet with night curtain

Info

Publication number: CN113974383B
Application number: CN202111276157.3A
Authority: CN
Inventors: 海华; 毛志平
Original assignee: Zhejiang Xingxing Refrigeration Co Ltd
Current assignee: Zhejiang Xingxing Refrigeration Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2023-05-30
Anticipated expiration: 2041-10-29
Also published as: CN113974383A

Abstract

The invention discloses a horizontal open air curtain cabinet with a night curtain, which belongs to the technical field of air curtain cabinets and comprises a bottom box, wherein the edge of the bottom box is clamped with a connecting section bar, the connecting section bar is clamped with a cabinet body, the top of the cabinet body is clamped with a sealing section bar, an installation plate is fixedly installed on the inner wall of one side of the cabinet body, an air duct is formed between the installation plate and the inner wall of the cabinet body, an air deflector and a night curtain component are installed on the installation plate through bolts, a bottom plate is fixedly installed at the bottom of the installation plate, a net rack is placed on the bottom plate, and a wind deflector is installed between the bottom plate and the net rack. The wind channel is used for cold wind circulation, cold wind blows to the internal commodity of cabinet through the aviation baffle direction to stop circulation through the deep bead, thereby form the air curtain at cabinet body top, when the exhibition at ordinary times, night curtain subassembly is packed up, and cabinet body top is opened, is convenient for show commodity, and when market was closed at night, night curtain subassembly pulled out cabinet body top and joint banding section bar, thereby shelter from cabinet body top opening, reduce the air conditioning loss, reduce the power consumption, and avoid debris to fall into the cabinet body.

Description

Horizontal open air curtain cabinet with night curtain

Technical Field

The invention relates to the technical field of air curtain cabinets, in particular to a horizontal open air curtain cabinet with a night curtain.

Background

The air curtain cabinet is a refrigerated fresh-keeping showcase, is commonly used for selling in a market, the opening of the horizontal open air curtain cabinet is located right above the cabinet body, fresh keeping is achieved through the cold air curtain, the top of the current horizontal air curtain cabinet is in a normally open state, energy consumption is wasted easily in time periods of non-sales at night and the like, and market staff at night can leave the market and leave the market, sundries or mosquitoes are easily adjusted into the air curtain cabinet, no one can clean the air curtain cabinet at the moment, and the commodities in the air curtain cabinet are easily polluted.

Disclosure of Invention

In view of the above-mentioned technical shortcomings, the present invention aims to provide a horizontal open air curtain cabinet with a night curtain.

In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides a horizontal open air curtain cabinet with a night curtain, which comprises a bottom box, wherein the edge of the bottom box is clamped with a connecting section bar, the connecting section bar is clamped with a cabinet body, the top of the cabinet body is clamped with a sealing section bar, an installation plate is fixedly installed on the inner wall of one side of the cabinet body, an air duct is formed between the installation plate and the inner wall of the cabinet body, an air deflector and a night curtain component are installed on the installation plate through bolts, a bottom plate is fixedly installed at the bottom of the installation plate, a net rack is placed on the bottom plate, and a wind deflector is installed between the bottom plate and the net rack.

In a preferred embodiment, the bottom of the bottom box is fixedly provided with a plurality of universal wheels, the air duct at the bottom of the bottom plate is internally and fixedly provided with an evaporator, the bottom of the cabinet body, which is close to one side of the air deflector, is provided with a fan, the fan is positioned in the air duct, and the mounting plate at the bottom of the air deflector is provided with a plurality of air curtain holes.

In a preferred embodiment, the compressor and the condenser are fixedly arranged in the bottom box, and the evaporator is connected with the compressor and the condenser through pipelines.

The preferred embodiment, the connection section bar includes the laminating board, the top surface edge of close laminating base tank of laminating board, the top integrated into one piece of laminating board is equipped with the picture peg, joint cabinet body between the picture peg, the bottom integrated into one piece of laminating board is equipped with a plurality of fastening claws, fastening claw joint base tank.

In a preferred embodiment, the cabinet body comprises two outer plates, the outer plates are of a square frame structure, heat insulation cotton is fixedly filled between the outer plates, and sealing heads are fixedly bonded between the inner walls of the top and the bottom of the outer plates through sealant.

The preferred embodiment, banding section bar includes the cavity ring, the top of the closely laminating cabinet body of cavity ring, the lateral wall bottom fixed mounting cardboard of cavity ring, the lateral wall of the cardboard joint cabinet body, one side inner wall that the mounting panel was kept away from to the cavity ring is opened there is the mount table, install the separation blade through the bolt in the mount table, form the hanging groove between the inner wall of separation blade top and mount table.

The preferred embodiment case, night curtain subassembly includes the receiver, the receiver passes through bolt fixed mounting on the inner wall of mounting panel, the equal fixed mounting engaging lug of both sides inner wall of receiver, rotate between the engaging lug and install the receipts spool, and install clockwork spring between receipts spool and the engaging lug, the both ends of receipts spool are all fixed to cup joint the spacing ring, the winding has the curtain body on the receipts spool between the spacing ring, the curtain body is kept away from the one end fixed mounting of receipts spool and is bordured, through screw installation pull ring on the bordure, the bottom integrated into one piece of pull ring is equipped with the link plate, install reducing gear on the receipts spool of one side is kept away from mutually to the spacing ring.

The preferred embodiment case, the link plate is L type structure, the link plate is kept away from to the pull ring one side of link plate and is fixed to be equipped with the label, reduction gears includes the fixed plate, receiver inner wall fixed mounting fixed plate of one side that the spacing ring kept away from mutually, rotate between the roof of fixed plate and receiver and cup joint the double-screw bolt, the one end of double-screw bolt runs through the fixed plate and with the reel between install matched with bevel gear group, cup joint the slide through the helicitic texture on the double-screw bolt, the slide is close to one side that the spacing ring slides and cup joints the guide bar, the one end fixed mounting friction disc that the guide bar is close to the spacing ring, cup joint the spring on the guide bar between friction disc and the slide.

In a preferred embodiment, the spring is always in a compressed state, one end of the guide rod, which is far away from the friction plate, is fixedly provided with a baffle ring, and the friction plate is opposite to the circumferential outer wall of the limiting ring.

In a preferred embodiment, the top of the air deflector is fixedly provided with a limiting plate, a plurality of vertical rods are fixedly arranged on the bottom plate, the vertical rods penetrate through meshes of the net rack and are bound with the air deflector through a binding belt, and the bottom of the air deflector is provided with a plurality of slots for clamping the net rack.

The invention has the beneficial effects that:

1. when the market is closed at night, the wrapping edge is pulled through the pull ring, so that the curtain body is pulled out from the winding shaft, then the hanging plate is clamped with the baffle plate, the curtain body is fixed, the purpose of rapidly shielding the opening at the top of the cabinet body is achieved, when the winding shaft rotates, the stud is driven to rotate through the bevel gear set, the stud drives the sliding plate to lift through the threaded structure, when the curtain body is pulled out, the sliding plate is far away from the limiting ring, the friction plate is far away from the limiting ring, the curtain body is conveniently and rapidly pulled out, the top of the cabinet body is closed, and energy consumption and sundries drop are reduced;

2. when a market is in business, the hanging plate is pulled away from the baffle plate, the pull ring is loosened, the rolling shaft winds the curtain body under the action of the spring coil spring, the sliding plate moves downwards, the friction plate is gradually close to the limiting ring, when the friction plate contacts the limiting ring, the friction force is increased, the rolling shaft is decelerated, the more the curtain body is rolled, the larger the friction force is, the stable ending of the curtain body is realized, the collision between the pull ring and the storage box is avoided, and the use is convenient;

3. the bottom plate is fixedly provided with a plurality of vertical rods, the vertical rods penetrate through meshes of the net rack and are connected with the wind shield through the binding belts, the bottom of the wind shield is provided with a plurality of slots for clamping the net rack, the wind shield is convenient to fix, the air duct is used for circulating cold air, the cold air is guided to blow to commodities in the cabinet body through the wind deflector and is blocked from circulating through the wind shield, so that an air curtain is formed at the top of the cabinet body, refrigeration is stable, and loss of the air curtain is reduced;

4. the cabinet body is connected with the bottom box through the connecting section bar, the installation is convenient, and the banding section bar at the top of the cabinet body is convenient for link plate joint, realizes the quick fixation of the curtain body.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a horizontal open air curtain cabinet with a night curtain according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present invention.

Fig. 3 is an enlarged schematic view of the structure of fig. 1 at B according to the present invention.

FIG. 4 is a schematic view of a night shade assembly according to the present invention.

Fig. 5 is a schematic view of the structure of the speed reducing mechanism of the present invention.

Fig. 6 is a schematic view of the structure of the wind guard of the present invention.

FIG. 7 is a schematic view of the night shade assembly of the present invention when retracted.

Fig. 8 is an enlarged view of fig. 7 at C according to the present invention.

Reference numerals illustrate: 1. a bottom box; 2. a connecting section bar; 21. bonding plates; 22. inserting plate; 23. a fastening claw; 3. a cabinet body; 31. an outer plate; 32. thermal insulation cotton; 33. a seal head; 4. edge banding section bar; 41. a hollow ring; 42. a clamping plate; 43. a mounting table; 5. a mounting plate; 6. an air duct; 7. an air deflector; 8. a night shade assembly; 81. a storage box; 82. a connecting lug; 83. a winding shaft; 84. a curtain body; 85. wrapping edges; 86. a pull ring; 87. a hanging plate; 88. a limiting ring; 89. a speed reducing mechanism; 891. a bevel gear set; 892. a fixing plate; 893. a stud; 894. a friction plate; 895. a spring; 896. a guide rod; 897. a slide plate; 9. a bottom plate; 10. a net rack; 11. a wind deflector; 12. an evaporator; 13. a fan; 14. a baffle; 15. a hanging groove; 16. a vertical rod; 17. a slot; 18. and a limiting plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples: as shown in fig. 1 to 8, the invention provides a horizontal open air curtain cabinet with a night curtain, which comprises a bottom box 1, wherein the edge of the bottom box 1 is clamped with a connecting section bar 2, the connecting section bar 2 is clamped with a cabinet body 3, the top of the cabinet body 3 is clamped with a sealing section bar 4, an installation plate 5 is fixedly installed on the inner wall of one side of the cabinet body 3, an air duct 6 is formed between the installation plate 5 and the inner wall of the cabinet body 3, an air deflector 7 and a night curtain component 8 are installed on the installation plate 5 through bolts, a bottom plate 9 is fixedly installed at the bottom of the installation plate 5, a net rack 10 is placed on the bottom plate 9, and a wind deflector 11 is installed between the bottom plate 9 and the net rack 10. The wind channel 6 is used for cold wind circulation, cold wind blows to the commodity in the cabinet body 3 through the direction of aviation baffle 7 to block circulation through deep bead 11, thereby form the air curtain at cabinet body 3 top, when the exhibition is sold at ordinary times, night curtain subassembly 8 is packed up, cabinet body 3 top is opened, be convenient for show commodity, when the market is closed at night, night curtain subassembly 8 pulls out cabinet body 3 top and joint banding section bar 4, thereby shelter from cabinet body 3 top opening, reduce the air conditioning loss, reduce the power consumption, and avoid debris to fall into in the cabinet body 3.

The bottom of the bottom box 1 is fixedly provided with a plurality of universal wheels, an evaporator 12 is fixedly arranged in an air duct 6 at the bottom of a bottom plate 9, a fan 13 is arranged at the bottom of one side of the cabinet body 3 close to the air deflector 7, the fan 13 is positioned in the air duct 6, a plurality of air curtain holes are formed in a mounting plate 5 at the bottom of the air deflector 7, a compressor and a condenser are fixedly arranged in the bottom box 1, the evaporator 12 is connected with the compressor and the condenser through pipelines, the evaporator 12, the compressor and the condenser are the same as the existing refrigeration equipment in principle, cold air is formed after the evaporator 12 exchanges heat with air in the cabinet body 3, and the fan 13 blows the cold air into the cabinet body 3 along the air duct 6 and the air curtain holes.

The connecting section bar 2 includes the laminating board 21, the top surface edge of the close laminating base tank 1 of laminating board 21, the top integrated into one piece of laminating board 21 is equipped with picture peg 22, joint cabinet body 3 between picture peg 22, the bottom integrated into one piece of laminating board 21 is equipped with a plurality of fastening claws 23, fastening claw 23 joint base tank 1, cabinet body 3 includes two planking 31, planking 31 is square frame dress structure, fixed packing heat insulation cotton 32 between planking 31, pass through the fixed bonding head 33 of sealant between planking 31's top and bottom inner wall, then the filler in the fastening claw 23 joint base tank 1 of connecting section bar 2 bottom, top picture peg 22 joint cabinet body 3, the installation is convenient, the heat insulation cotton 32 in the cabinet body 3 improves the heat preservation effect.

The banding section bar 4 includes cavity ring 41, the top of the inseparable laminating cabinet body 3 of cavity ring 41, the lateral wall bottom fixed mounting cardboard 42 of cavity ring 41, the lateral wall of cardboard 42 joint cabinet body 3, the one side inner wall that the mounting panel 5 was kept away from to cavity ring 41 is opened there is mount table 43, install separation blade 14 through the bolt in the mount table 43, form hanging groove 15 between the inner wall of separation blade 14 top and mount table 43, then can block into in hanging groove 15 after the link 87 on the night curtain subassembly 8 pulls out, through the link 87 joint separation blade 14 of L type structure, realize the fixed of curtain 84.

Further, night curtain subassembly 8 includes receiver 81, receiver 81 passes through bolt fixed mounting on the inner wall of mounting panel 5, the equal fixed mounting engaging lug 82 of both sides inner wall of receiver 81, rotate the installation receipts spool 83 between engaging lug 82, and install the clockwork spring between receive spool 83 and the engaging lug 82, the both ends of receive spool 83 are all fixed cup joint spacing ring 88, the winding has curtain 84 on the receive spool 83 between spacing ring 88, curtain 84 keeps away from the one end fixed mounting of receipts spool 83 and bordures 85, bordure and pass through screw installation pull ring 86 on 85, the bottom integrated into one piece of pull ring 86 is equipped with link 87, install reduction gears 89 on the receipts spool 83 of one side is kept away from mutually to spacing ring 88, then pull the bordure 85 through pull ring 86, thereby pull curtain 84 from receive spool 83, then with link 87 joint separation blade 14, realize curtain 84's fixed, realize quick shelter from cabinet body 3 open-ended purpose, and when pulling out curtain 84, reduction gears 89 and spacing ring 88, be convenient for quick pull out, keep away from baffle 87 and keep away from separation blade 14, and release gears 86 drive the speed-down mechanism 89, and finally, the winding up mechanism is kept away from the speed-down mechanism 84, and finally, the winding is kept up at 84, and is convenient for winding up and is kept up to take up the speed down mechanism 84, and is contacted with the speed-up mechanism 84 on the receive spool 84, and is kept up at the speed-down mechanism, and is at the speed-up mechanism.

The hanging plate 87 is of an L-shaped structure, a label is fixedly arranged on one side, far away from the hanging plate 87, of the pull ring 86, the speed reducing mechanism 89 comprises a fixed plate 892, the fixed plate 892 is fixedly arranged on the inner wall of the storage box 81 on the side, far away from the limiting ring 88, a stud 893 is rotatably sleeved between the fixed plate 892 and a top plate of the storage box 81, one end of the stud 893 penetrates through the fixed plate 892 and is provided with a bevel gear group 891 matched with the winding shaft 83, a sliding plate 897 is sleeved on the stud 893 through a thread structure, a guide rod 896 is sleeved on one side, close to the limiting ring 88, of the sliding plate 897 in a sliding manner, a friction plate 894 is fixedly arranged on one end, close to the limiting ring 88, of the guide rod 896 is sleeved with a spring 895, the spring 895 is always in a compressed state, one end fixed mounting baffle ring that friction disc 894 was kept away from to guide bar 896, friction disc 894 just is to the circumference outer wall of spacing ring 88, then when reel 83 rotated, drive double-screw bolt 893 through bevel gear group 891 and rotate, double-screw bolt 893 passes through the helicitic texture and drives slide 897 lift, then when pulling out curtain 84, slide 897 keeps away from spacing ring 88, friction disc 894 keeps away from spacing ring 88 this moment, be convenient for pull out curtain 84 fast, when curtain 84 rolling, slide 897 moves down, then friction disc 894 is close to spacing ring 88 gradually, when friction disc 894 contacts spacing ring 88, increase frictional force, make reel 83 slow down, and the more the curtain 84 rolling, the frictional force is big, realize the stable end closure of curtain 84.

The top fixed mounting of aviation baffle 7 has limiting plate 18, blocks link 87 through limiting plate 18, avoids pull ring 86 to be pulled into receiver 81, and fixed mounting is a plurality of pole settings 16 on bottom plate 9, and pole setting 16 runs through the mesh of rack 10 and ties up deep bead 11, and open the bottom of deep bead 11 has the slot 17 of a plurality of joint racks 10, is convenient for the fixed of deep bead 11.

During the use, wind channel 6 is used for cold wind circulation, cold wind passes through the guide of aviation baffle 7 and blows to the commodity in the cabinet body 3, and stop the circulation through deep bead 11, thereby form the air curtain at cabinet body 3 top, when the market is closed at night, through pull ring 86 pulling bordure 85, thereby pull out curtain 84 from winding shaft 83, then with link 87 joint separation blade 14, realize the fixed of curtain 84, realize quick shielding cabinet body 3 open-top's purpose, winding shaft 83 rotates, drive double-screw bolt 893 through cone gear train 891 and rotate, the double-screw bolt 893 passes through the helicitic texture and drives slide 897 lift, then when pulling out curtain 84, slide 897 keeps away from spacing ring 88, friction disc 894 keeps away from spacing ring 88 this moment, be convenient for pull out curtain 84 fast, during the market business, with link 87 pull away from separation blade 14, and loosen pull ring 86, winding shaft 84 under the effect of spring winding at this moment, slide 897 moves down, then friction disc 894 is close to spacing ring 88 gradually, when friction disc 894 contacts spacing ring 88, increase friction disc 894 friction 84, when the friction disc contacts spacing ring 88, when the friction disc 894 increases friction disc 84, when the speed of the speed reducing shaft 84, more the realization is more, and the more stable collision with curtain 84, and the realization of the more wind box 81.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. Horizontal open air curtain cabinet with night curtain, including base box (1), its characterized in that: the edge clamping connection section bar (2) of the bottom box (1), the upper clamping connection cabinet body (3) of the connection section bar (2), the top clamping connection banding section bar (4) of the cabinet body (3), a mounting plate (5) is fixedly mounted on one side inner wall of the cabinet body (3), an air duct (6) is formed between the mounting plate (5) and the inner wall of the cabinet body (3), an air deflector (7) and a night curtain component (8) are mounted on the mounting plate (5) through bolts, a bottom fixed mounting bottom plate (9) of the mounting plate (5), a net rack (10) is placed on the bottom plate (9), and a wind deflector (11) is mounted between the bottom plate (9) and the net rack (10);

the night curtain assembly (8) comprises a storage box (81), the storage box (81) is fixedly arranged on the inner wall of the mounting plate (5) through bolts, connecting lugs (82) are fixedly arranged on the inner walls of the two sides of the storage box (81), a winding shaft (83) is rotatably arranged between the connecting lugs (82), spring coil springs are arranged between the winding shaft (83) and the connecting lugs (82), limiting rings (88) are fixedly sleeved at the two ends of the winding shaft (83), a curtain body (84) is wound on the winding shaft (83) between the limiting rings (88), one end of the curtain body (84) far away from the winding shaft (83) is fixedly provided with a wrapping edge (85), a pull ring (86) is arranged on the wrapping edge (85) through bolts, a hanging plate (87) is integrally formed at the bottom of the pull ring (86), and a speed reducing mechanism (89) is arranged on the winding shaft (83) on the side, far away from the limiting rings (88);

the hanging plate (87) is of an L-shaped structure, a label is fixedly arranged on one side, far away from the hanging plate (87), of the pull ring (86), the speed reducing mechanism (89) comprises a fixed plate (892), a fixed plate (892) is fixedly arranged on the inner wall of a storage box (81) on one side, far away from the limit ring (88), of the storage box (81), a sleeved stud (893) is rotated between the fixed plate (892) and a top plate of the storage box (81), one end of the stud (893) penetrates through the fixed plate (892) and is provided with a matched bevel gear set (891) with the winding shaft (83), a sliding plate (897) is sleeved on the stud (893) through a threaded structure, a guide rod (896) is sleeved on one side, close to the limit ring (88), of the guide rod (896) is fixedly provided with a friction plate (894), and a spring (895) is sleeved on the guide rod (896) between the friction plate (894) and the guide rod (897);

the spring (895) is always in a compressed state, one end of the guide rod (896) far away from the friction plate (894) is fixedly provided with a baffle ring, and the friction plate (894) is opposite to the circumferential outer wall of the limit ring (88);

when the rolling shaft rotates, the stud is driven to rotate through the bevel gear group, the stud drives the sliding plate to lift through the threaded structure, when the curtain body is pulled out, the sliding plate is away from the limiting ring, the friction plate is away from the limiting ring at the moment, the curtain body is conveniently pulled out rapidly, when the curtain body is rolled up, the sliding plate moves downwards, the friction plate is gradually close to the limiting ring, when the friction plate contacts the limiting ring, the friction force is increased, the rolling shaft is decelerated, the more the curtain body is rolled up, the greater the friction force is, and stable rolling-up of the curtain body is realized.

2. A horizontal open air curtain cabinet having a night curtain as recited in claim 1 wherein: the bottom of base case (1) fixed mounting a plurality of universal wheels, fixed mounting evaporimeter (12) in wind channel (6) of bottom plate (9) bottom, bottom installation fan (13) that cabinet body (3) are close to aviation baffle (7) one side, fan (13) are located wind channel (6), it has a plurality of air curtain holes to open on mounting panel (5) of aviation baffle (7) bottom.

3. A horizontal open air curtain cabinet having a night curtain as set forth in claim 2 wherein: the bottom box (1) is internally and fixedly provided with a compressor and a condenser, and the evaporator (12) is connected with the compressor and the condenser through pipelines.

4. A horizontal open air curtain cabinet having a night curtain as recited in claim 1 wherein: the connecting section bar (2) comprises a bonding plate (21), the bonding plate (21) is tightly bonded with the top surface edge of the bottom box (1), the top integrated into one piece of bonding plate (21) is provided with a plugboard (22), joint cabinet body (3) between plugboards (22), the bottom integrated into one piece of bonding plate (21) is provided with a plurality of fastening claws (23), fastening claw (23) joint bottom box (1).

5. A horizontal open air curtain cabinet having a night curtain as recited in claim 1 wherein: the cabinet body (3) comprises two outer plates (31), the outer plates (31) are of square frame structure, heat insulation cotton (32) is fixedly filled between the outer plates (31), and sealing heads (33) are fixedly bonded between the top and bottom inner walls of the outer plates (31) through sealant.

6. A horizontal open air curtain cabinet having a night curtain as recited in claim 1 wherein: the edge sealing section bar (4) comprises a hollow ring (41), the top of a cabinet body (3) is tightly attached to the hollow ring (41), a clamping plate (42) is fixedly installed at the bottom of the side wall of the hollow ring (41), the clamping plate (42) is clamped with the side wall of the cabinet body (3), an installation table (43) is arranged on the inner wall of one side, far away from the installation plate (5), of the hollow ring (41), a baffle (14) is installed in the installation table (43) through a bolt, and a hanging groove (15) is formed between the top of the baffle (14) and the inner wall of the installation table (43).

7. A horizontal open air curtain cabinet having a night curtain as recited in claim 1 wherein: the top fixed mounting of aviation baffle (7) has limiting plate (18), fixed mounting is a plurality of pole settings (16) on bottom plate (9), pole setting (16) run through the mesh of rack (10) and tie up deep bead (11) through the ribbon, slot (17) that have a plurality of joint rack (10) are opened to the bottom of deep bead (11).