CN216931339U

CN216931339U - Case is fed to multi-functional feeding of poultry animal doctor usefulness

Info

Publication number: CN216931339U
Application number: CN202122381974.7U
Authority: CN
Inventors: 白明
Original assignee: Individual
Current assignee: Ili Mapeng Animal Husbandry Technology Service Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-07-12
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to a feeding box, in particular to a multifunctional feeding box for livestock and poultry. The utility model provides a multifunctional feeding box for a livestock veterinarian, which can automatically clean a mechanism and open a door, and can quickly add water and blow dry. The utility model provides a multifunctional feeding box for livestock raising and beast raising, which comprises a box body, a bottom cover, a glass cover, a first torsion spring, a drawing mechanism, a rotating mechanism and the like; bottom half slidingtype is equipped with the bottom, and box top rear side rotation formula is equipped with the glass lid, and the glass lid all around having first torsional spring with box contact cooperation, both sides around the glass lid rear side, and first torsional spring both ends are equallyd divide and are do not connected with glass lid and box, and the right part is equipped with pull mechanism in the box, and left part and antetheca left side all are equipped with rotary mechanism in the box. According to the utility model, the rotating mechanism is arranged, so that water can rapidly flow into the left side in the box body, and the small animals can drink water at any time, thereby achieving the effect of rapid water addition.

Description

Case is fed to multi-functional feeding of poultry animal doctor usefulness

Technical Field

The utility model relates to a feeding box, in particular to a multifunctional feeding box for livestock and poultry.

Background

The feeding box is used for breeding animals, the veterinary uses is a feeding box with multifunctional observation performance, the specific appearance is approximately the same, only some observation windows are added, so that the animals can be conveniently observed when being treated, but the prior multifunctional feeding box for the animal husbandry and the veterinary use is difficult to clean because the excrement and the food residues of the animals fall in the feeding box, so that the secondary injury can be caused to the animals for a long time.

Therefore, the need to design a multifunctional feeding box for animal husbandry and veterinary use, which can automatically clean the mechanism and open the door, and can rapidly add water and dry the air, has become a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

In order to overcome present poultry animal doctor with multi-functional case of feeding in use, because of the excrement and urine of animal and food waste drop at the inside difficult clearance of case of feeding to can cause the shortcoming of secondary damage, technical problem to the animal for a long time: the utility model provides a but self-cleaning mechanism and open the door to but the poultry animal doctor who adds water fast and weather uses multi-functional feeding case.

The technical scheme is as follows: the utility model provides a case is fed to poultry animal doctor with multi-functional, which comprises a box body, the bottom, glass lid and first torsional spring, the bottom of the box slidingtype is equipped with the bottom, box top one side rotary type is equipped with the glass lid, glass lid and box contact cooperation, the both sides of glass lid one side are all around having first torsional spring, first torsional spring both ends are equallyd divide do not with glass lid and box connection, a serial communication port, still including pull mechanism and rotary mechanism, one is equipped with pull mechanism in the box, another and outer wall one side all are equipped with rotary mechanism in the box.

Preferably, the drawing mechanism comprises a drawer, a first guide rail and a first drawing plate, the drawer is arranged on the lower side of the side wall of the box body in an inward sliding mode, the first guide rail is symmetrically arranged on one part of the two walls in the box body, the first drawing plate is arranged between the two first guide rails in a sliding mode, and the first drawing plate is in contact fit with the drawer.

Preferably, rotary mechanism is including the water catch bowl, the knob, the second torsional spring, the second guide rail, the board is taken out to the second and changes the board, there is the water catch bowl box lateral wall one side through two screwed connection, another lateral wall downside rotary type of box is equipped with the knob, it has the second torsional spring to wind on the knob, the second torsional spring both ends are connected with knob and box respectively, knob one end is equipped with changes the board, change board and box contact cooperation, two wall downside symmetries in the box are equipped with the second guide rail, it takes out the board to be equipped with the second between two second guide rails.

Preferably, the automatic door opening mechanism comprises a first supporting plate, a first spring, first guide rods, a door, a third torsion spring, a first rotating shaft and a pressing plate, the first supporting plate is arranged on one side of the middle part of the side wall of the box body, the first guide rods are symmetrically arranged on two sides of the top of the first supporting plate, the pressing plate is arranged between the four first guide rods in a sliding mode, the first spring is wound on the first guide rods, two ends of the four first springs are equally divided and are respectively connected with the first supporting plate and the pressing plate, the first rotating shaft is arranged in the middle of the side wall of the box body in a symmetrical mode, the door is arranged on the two first rotating shafts, the two doors are in contact fit with the box body and the pressing plate, the third torsion spring is wound on the upper side and the lower side of the first rotating shaft, and two ends of the four third torsion springs are respectively connected with the door and the box body at the same side.

Preferably, the support mechanism comprises a stop block, a fixed base, a second support plate, a fourth torsion spring and a second rotating shaft, wherein the stop block is symmetrically arranged on two sides of the bottom of the box body, the fixed base is symmetrically arranged on the upper portions of the two inner sides of the stop block, the second rotating shaft is arranged between the two fixed bases on the same side in a rotating mode, the second support plate is arranged on the two second rotating shafts, the fourth torsion spring is wound on two sides of the second rotating shaft, two ends of the four fourth torsion springs are connected with the fixed base and the second support plate on the same side respectively, and the second support plate is matched with the stop block on the same side respectively.

Preferably, the cleaning device further comprises a manual cleaning mechanism, the manual cleaning mechanism comprises a cleaning rod, a second guide rod and a second spring, the second guide rod is arranged in the lower portion of the other side wall of the box body, the cleaning rod is arranged on the second guide rod in a sliding mode, a cleaning brush capable of being cleaned is arranged on the cleaning rod, the lower end of the brush is in contact fit with the box body, the second spring is wound on the second guide rod, and two ends of the second spring are respectively connected with the cleaning rod and the box body.

Preferably, the automatic cleaning mechanism comprises a fixing ring, a motor, a first gear, a rack, a first supporting slide rail and a second supporting slide rail, the middle of the lower side of the other wall of the box body is provided with the fixing ring, the motor is installed in the upper portion of the fixing ring, the upper portion of the same side wall of the box body is rotatably provided with the first gear, one end of the first gear is connected with an output shaft of the motor, one side of the lower portion of the same side wall of the box body is provided with the first supporting slide rail, the other side of the lower portion of the same side wall of the box body is provided with the second supporting slide rail, the rack is slidably arranged between the second supporting slide rail and the first supporting slide rail, the rack is meshed with the first gear, and the rack is connected with the cleaning rod.

Preferably, the drying device comprises a drying mechanism, the drying mechanism comprises a second gear, a fan and a protective cover, the second gear is rotatably arranged in the middle of the other wall of the box body and meshed with the first gear, the fan is arranged at one end of the second gear, the protective cover is arranged in the middle of the other wall of the box body, and the fan is located inside the protective cover.

The utility model has the beneficial effects that: 1. according to the utility model, the rotating mechanism is arranged, so that water can quickly flow into the left side in the box body, and small animals can drink water at any time, so that the effect of quickly adding water is achieved;

2. through the automatic door opening mechanism, the two box doors can be driven to automatically rotate outwards to be flicked under the action of the third torsion spring, so that the effect of automatically opening the doors is achieved;

3. the supporting mechanism is arranged, so that the baffle block can be in contact with the ground to support the whole box body, the supporting effect is achieved, and the veterinarian can conveniently treat sewage stains in the box body;

4. through the automatic cleaning mechanism, the cleaning rod drives the brush to move rightwards to automatically clean the inner bottom of the box body, so that the automatic cleaning effect is achieved;

5. through being equipped with and weather the mechanism for the fan can weather the inside moisture of box fast, reaches the effect of automatic weathering.

Drawings

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

Fig. 2 is a schematic perspective view of a first embodiment of the present invention.

Fig. 3 is a schematic perspective view of a second embodiment of the present invention.

Fig. 4 is a schematic perspective view of the drawing mechanism of the present invention.

Fig. 5 is a schematic perspective view of the rotating mechanism of the present invention.

Fig. 6 is a schematic perspective view of the automatic door opening mechanism of the present invention.

Fig. 7 is a schematic perspective view of the supporting mechanism of the present invention.

Fig. 8 is a perspective view of the manual cleaning mechanism of the present invention.

Fig. 9 is a schematic perspective view of the automatic cleaning mechanism of the present invention.

Fig. 10 is a schematic perspective view of the blow-drying mechanism of the present invention.

Description of reference numerals: 1_ box, 2_ bottom, 3_ glass lid, 4_ first torsion spring, 5_ drawing mechanism, 51_ drawer, 52_ first rail, 53_ first drawing plate, 6_ rotating mechanism, 61_ water catch tank, 62_ knob, 63_ second torsion spring, 64_ second rail, 65_ second drawing plate, 66_ rotating plate, 7_ automatic door opening mechanism, 71_ first support plate, 72_ first spring, 73_ first guide rod, 74_ door, 75_ third torsion spring, 76_ first rotating shaft, 77_ pressing plate, 8_ support mechanism, 81_ stopper, 82_ fixing seat, 83_ second support plate, 84_ fourth torsion spring, 85_ second rotating shaft, 9_ manual cleaning mechanism, 91_ cleaning rod, 92_ second guide rod, 93_ second spring, 10_ automatic cleaning mechanism, 101_ fixing ring, 102_ motor, 103_ first gear, 104_ rack, 105_ first support rail, 106_ second supporting slide rail, 11_ blow-dry mechanism, 111_ second gear, 112_ fan, 113_ protective cover.

Detailed Description

The utility model is further described below with reference to the figures and examples.

Example 1

The utility model provides a case is fed to poultry animal doctor with multi-functional, as shown in fig. 1-5, including box 1, bottom 2, glass lid 3, first torsion spring 4, pull mechanism 5 and rotary mechanism 6, box 1 bottom slidingtype is equipped with bottom 2, box 1 top rear side is rotated and is equipped with glass lid 3, glass lid 3 and box 1 contact cooperation, first torsion spring 4 has all been around the front and back both sides of glass lid 3 rear side, first torsion spring 4 both ends are equallyd divide and are connected with glass lid 3 and box 1 respectively, the right part is equipped with pull mechanism 5 in the box 1, left part and antetheca left side all are equipped with rotary mechanism 6 in the box 1.

In animal husbandry breeding, the toy is inevitable sick, when the animal doctor need feed the sick toy, can use this animal husbandry animal doctor to use multi-functional case of feeding, at first animal doctor manually clockwise upset glass lid 3, open glass lid 3, first torsion spring 4 twists reverse deformation, then put into box 1 with the toy that is sick, loosen the hand afterwards, first torsion spring 4 resets, thereby drive glass lid 3 anticlockwise upset to reset, manual operation pull mechanism 5 is down afterwards, put into pull mechanism 5 with food and feed for the toy, pour water into rotary mechanism 6 in afterwards, manual operation rotary mechanism 6 part again, make in the rotary mechanism 6 of water inflow box 1, the toy can drink water at any time, the animal doctor can see through glass lid 3 at any time and observes the condition of toy.

The drawing mechanism 5 comprises a drawer 51, a first guide rail 52 and a first drawing plate 53, the drawer 51 is arranged on the lower side of the right wall of the box body 1 in an inward sliding manner, the first guide rail 52 is symmetrically arranged on the right parts of the front wall and the rear wall in the box body 1, the first drawing plate 53 is arranged between the two first guide rails 52 in a sliding manner, and the first drawing plate 53 is in contact fit with the drawer 51.

When a sick small animal needs to be fed, the veterinarian opens the glass cover 3, draws out the first drawing plate 53 by hand, covers the glass cover 3, pulls out the drawer 51 to the right by hand, namely, food can be put into the drawer 51, then pushes the drawer 51 to the left, and the small animal can start to enjoy the food, so that the effect of adding the food can be realized.

The rotating mechanism 6 comprises a water collecting groove 61, a knob 62, a second torsion spring 63, a second guide rail 64, a second drawing plate 65 and a rotating plate 66, the left side of the front wall of the box body 1 is connected with the water collecting groove 61 through two screws, the knob 62 is rotatably arranged on the front lower side of the left wall of the box body 1, the knob 62 is wound with the second torsion spring 63, two ends of the second torsion spring 63 are respectively connected with the knob 62 and the box body 1, the rotating plate 66 is arranged on the right end of the knob 62, the rotating plate 66 is in contact fit with the front wall of the box body 1, the second guide rails 64 are symmetrically arranged on the left lower sides of the front wall and the rear wall in the box body 1, and the second drawing plate 65 is arranged between the two second guide rails 64.

When the needs were fed water to the toy of illness, the animal doctor poured the water catch bowl 61 into with water earlier, then rotated knob 62 with the hand to make and change the rotatory 90 degrees of board 66, second torsional spring 63 twists reverse deformation, thereby make water can flow into box 1 in the left side, reach quick watered effect, the toy can drink water at any time.

Example 2

On the basis of embodiment 1, as shown in fig. 2 and fig. 6 to 10, the automatic door opening mechanism 7 is further included, the automatic door opening mechanism 7 includes a first support plate 71, first springs 72, first guide rods 73, a door 74, third torsion springs 75, first rotating shafts 76 and a pressing plate 77, the first support plate 71 is disposed on the lower side of the left middle portion of the front wall of the box body 1, the first guide rods 73 are symmetrically disposed on the left and right sides of the top of the first support plate 71, the pressing plate 77 is slidably disposed between the four first guide rods 73, the first springs 72 are wound on the first guide rods 73, two ends of the four first springs 72 are respectively connected with the first support plate 71 and the pressing plate 77, the first rotating shafts 76 are symmetrically disposed on the left and right in the left middle portion of the front wall of the box body 1, the door 74 is disposed on the two first rotating shafts 76, the two door 74 are respectively in contact with the box body 1 and the pressing plate 77, the third torsion springs 75 are wound on the upper and lower sides of the first rotating shafts 76, two ends of the four third torsion springs 75 are respectively connected with the box door 74 and the box body 1 on the same side.

When a sick small animal needs to be fed, the veterinarian enables the small animal to stand on the pressing plate 77 and is subjected to the self weight of the small animal, so that the pressing plate 77 is driven to move downwards, the first spring 72 is compressed, the pressing plate 77 is separated from the box door 74, the third torsion spring 75 is reset, the two box doors 74 are driven to automatically rotate outwards to bounce, the pressing plate 77 is clamped by the convex blocks at the bottoms of the two box doors 74, the automatic door opening effect is achieved, the small animal can move backwards into the box body 1, the two box doors 74 are then rotated inwards to be closed by the veterinarian, the third torsion spring 75 is twisted and deformed, the convex blocks at the bottoms of the two box doors 74 are clamped into the grooves of the pressing plate 77, the first spring 72 is reset, the pressing plate 77 is driven to move upwards to reset, and the two box doors 74 are clamped and fixed by the pressing plate 77.

Still including supporting mechanism 8, supporting mechanism 8 is including dog 81, fixing base 82, second backup pad 83, fourth torsional spring 84 and

second pivot

85, 1 bottom left and right sides symmetry of box is equipped with dog 81, the equal longitudinal symmetry in the upper portion of two dogs 81 inboard is equipped with fixing base 82, equal rotary type is equipped with second pivot 85 between two fixing bases 82 of homonymy, all be equipped with second backup pad 83 on two second pivot 85, both sides are all around having fourth torsional spring 84 around the second pivot 85, four fourth torsional spring 84 both ends are connected with fixing base 82 and the second backup pad 83 of homonymy respectively, second backup pad 83 cooperates with dog 81 of homonymy respectively.

When the water spot in the box 1 needs to be handled, the manual downward upset second backup pad 83 of animal doctor, fourth torsional spring 84 twists reverse deformation, thereby make two second backup pads 83 turn over outwards downwards and contact with dog 81, can make dog 81 contact ground support whole box 1, reach the effect of support, bottom 2 is taken out manually afterwards, let the water spot in the box 1 flow out, make things convenient for the animal doctor to handle the sewage spot in the box 1, the back has been handled, go up bottom 2, after that, upwards move box 1, fourth torsional spring 84 resets, thereby drive two second backup pads 83 and inwards overturn to reseing, it can to put down box 1 afterwards, make two dogs 81 contact ground.

Still including manual clean mechanism 9, manual clean mechanism 9 is equipped with second guide arm 92 in the lower part of the wall behind box 1 including cleaning rod 91, second guide arm 92 and second spring 93, and the gliding formula of second guide arm 92 is equipped with cleaning rod 91, is equipped with the brush that can clean on cleaning rod 91, and the brush lower extreme cooperates with the contact of box 1, and it has second spring 93 to wind on the second guide arm 92, and second spring 93 both ends are connected with cleaning rod 91 and box 1 respectively.

When needs clean box 1, the animal doctor is taken out board 53 and second with first taking out and is taken out board 65, only needs manual right afterwards to promote clean pole 91, and second spring 93 is compressed to the brush that drives on the clean pole 91 removes left, makes the brush clean 1 inner bottom of box, can reach quick clear effect, unclamps the hand after, second spring 93 resets, thereby drives clean pole 91 and brush and removes right to reseing.

Still including self-cleaning mechanism 10, self-cleaning mechanism 10 is including solid fixed ring 101, motor 102, first gear 103, rack 104, first support slide rail 105 and second

support slide rail

106, 1 rear wall downside middle part of box is equipped with solid fixed ring 101, install motor 102 in the solid fixed ring 101 upper portion, upper portion rotary type is equipped with first gear 103 in the box 1 rear wall, first gear 103 rear end and motor 102 output shaft, 1 rear wall lower part left side of box is equipped with first

support slide rail

105, 1 rear wall lower part right side of box is equipped with second support slide rail 106, slidingtype is equipped with rack 104 between second support slide rail 106 and the first support slide rail 105, rack 104 and the meshing of first gear 103, rack 104 right side downside is connected with cleaning rod 91.

When the box body 1 needs to be cleaned, the motor 102 is started, an output shaft of the motor 102 drives the first gear 103 to rotate, so that the rack 104 is driven to move rightwards, the cleaning rod 91 is driven to move rightwards, the automatic cleaning effect is achieved, and after cleaning is finished, the motor 102 is turned off.

The drying device comprises a drying mechanism 11, wherein the drying mechanism 11 comprises a second gear 111, a fan 112 and a protective cover 113, the second gear 111 is rotatably arranged in the middle left of the rear wall of the box body 1, the second gear 111 is meshed with the first gear 103, the fan 112 is arranged at the front end of the second gear 111, the protective cover 113 is arranged in the middle left of the rear wall in the box body 1, and the fan 112 is located inside the protective cover 113.

After the motor 102 is started, the first gear 103 drives the second gear 111 to rotate, so as to drive the fan 112 to rotate, so that the fan 112 can blow dry the moisture in the box body 1 quickly, and the automatic blow-drying effect is achieved.

It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.

Claims

1. The utility model provides a case is fed to poultry animal doctor with multi-functional, including box (1), bottom (2), glass lid (3) and first torsional spring (4), box (1) bottom slidingtype is equipped with bottom (2), box (1) top one side rotary type is equipped with glass lid (3), glass lid (3) and box (1) contact cooperation, the both sides of glass lid (3) one side are all around having first torsional spring (4), first torsional spring (4) both ends are equallyd divide and are do not connected with glass lid (3) and box (1), a serial communication port, still including pull mechanism (5) and rotary mechanism (6), one is equipped with pull mechanism (5) in box (1), another and outer wall one side all is equipped with rotary mechanism (6) in box (1).

2. The multi-functional feeding box for livestock and poultry according to claim 1, characterized in that the drawing mechanism (5) comprises a drawer (51), a first guide rail (52) and a first drawing plate (53), the drawer (51) is slidably arranged on the lower side of the side wall of the box body (1), the first guide rail (52) is symmetrically arranged on one part of the two inner walls of the box body (1), the first drawing plate (53) is slidably arranged between the two first guide rails (52), and the first drawing plate (53) is in contact fit with the drawer (51).

3. The multifunctional feeding box for the livestock and poultry medical purpose according to claim 2, characterized in that the rotating mechanism (6) comprises a water collecting groove (61), a knob (62), a second torsion spring (63), a second guide rail (64), a second drawing plate (65) and a rotating plate (66), one side of the side wall of the box body (1) is connected with the water collecting groove (61) through two screws, the knob (62) is rotatably arranged on the lower side of the other side wall of the box body (1), the second torsion spring (63) is wound on the knob (62), two ends of the second torsion spring (63) are respectively connected with the knob (62) and the box body (1), the rotating plate (66) is arranged at one end of the knob (62), the rotating plate (66) is in contact fit with the box body (1), the second guide rails (64) are symmetrically arranged on the lower sides of the two walls in the box body (1), and the second drawing plate (65) is arranged between the two second guide rails (64).

4. The multifunctional feeding box for the livestock and poultry department according to claim 3, characterized in that the box further comprises an automatic door opening mechanism (7), the automatic door opening mechanism (7) comprises a first supporting plate (71), first springs (72), first guide rods (73), a box door (74), a third torsion spring (75), first rotating shafts (76) and a pressing plate (77), the first supporting plate (71) is arranged on one side of the middle portion of the side wall of the box body (1), the first guide rods (73) are symmetrically arranged on both sides of the top of the first supporting plate (71), the pressing plate (77) is slidably arranged between the four first guide rods (73), the first springs (72) are wound on the first guide rods (73), both ends of the four first springs (72) are respectively connected with the first supporting plate (71) and the pressing plate (77), the first rotating shafts (76) are symmetrically and rotatably arranged in the middle portion of the side wall of the box body (1), the box doors (74) are arranged on the two first rotating shafts (76), two chamber doors (74) all with box (1) and clamp plate (77) contact cooperation, both sides all around there being third torsional spring (75) about first pivot (76), four third torsional spring (75) both ends are connected with chamber door (74) and box (1) of homonymy respectively.

5. The multi-functional feeding box for livestock and poultry according to claim 4, characterized in that it further comprises a supporting mechanism (8), the supporting mechanism (8) comprises a stop block (81) and a fixed seat (82), second backup pad (83), fourth torsional spring (84) and second pivot (85), box (1) bottom bilateral symmetry is equipped with dog (81), two inboard upper portions of dog (81) all symmetry are equipped with fixing base (82), equal rotary type is equipped with second pivot (85) between two fixing base (82) of homonymy, all be equipped with second backup pad (83) on two second pivot (85), second pivot (85) both sides have all been around fourth torsional spring (84), four fourth torsional spring (84) both ends are connected with fixing base (82) and second backup pad (83) of homonymy respectively, second backup pad (83) cooperate with dog (81) of homonymy respectively.

6. The multifunctional feeding box for the livestock and poultry farming department according to claim 5, characterized by further comprising a manual cleaning mechanism (9), wherein the manual cleaning mechanism (9) comprises a cleaning rod (91), a second guide rod (92) and a second spring (93), the second guide rod (92) is arranged in the lower portion of the other side wall of the box body (1), the cleaning rod (91) is arranged on the second guide rod (92) in a sliding mode, a brush capable of being cleaned is arranged on the cleaning rod (91), the lower end of the brush is in contact fit with the box body (1), the second spring (93) is wound on the second guide rod (92), and two ends of the second spring (93) are respectively connected with the cleaning rod (91) and the box body (1).

7. The multifunctional feeding box for the livestock and poultry department according to claim 6, characterized in that the multifunctional feeding box further comprises an automatic cleaning mechanism (10), the automatic cleaning mechanism (10) comprises a fixing ring (101), a motor (102), a first gear (103), a rack (104), a first supporting slide rail (105) and a second supporting slide rail (106), the fixing ring (101) is arranged in the middle of the lower side of the other wall of the box body (1), the motor (102) is installed in the upper portion of the fixing ring (101), the first gear (103) is rotatably arranged on the middle upper portion of the same side wall of the box body (1), one end of the first gear (103) is connected with an output shaft of the motor (102), the first supporting slide rail (105) is arranged on one side of the lower portion of the same side wall of the box body (1), the second supporting slide rail (106) is arranged on the other side of the lower portion of the same side wall of the box body (1), the sliding rack (104) is arranged between the second supporting slide rail (106) and the first supporting slide rail (105), the rack (104) is meshed with the first gear (103), and the rack (104) is connected with the cleaning rod (91).

8. The multifunctional feeding box for the livestock and poultry medical purpose according to claim 7, characterized by further comprising a drying mechanism (11), wherein the drying mechanism (11) comprises a second gear (111), a fan (112) and a protective cover (113), the second gear (111) is rotatably arranged in the middle of the other wall of the box body (1), the second gear (111) is meshed with the first gear (103), the fan (112) is arranged at one end of the second gear (111), the protective cover (113) is arranged in the middle of the other wall of the box body (1), and the fan (112) is located inside the protective cover (113).