CN113558950A

CN113558950A - Wear-type multiple spot independent design's supplementary massage device of department of neurology migraine headache

Info

Publication number: CN113558950A
Application number: CN202110861078.2A
Authority: CN
Inventors: 邹静蓉
Original assignee: Suzhou Xintong Machinery Technology Co ltd
Current assignee: Suzhou Xintong Machinery Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-10-29

Abstract

The invention relates to the technical field of auxiliary massage, in particular to a head-mounted type multipoint independently designed neurology migraine auxiliary massage device. It at least comprises: the multi-point massage device comprises a fixing ring and a multi-point massage mechanism, wherein the end part of the arc plate is provided with a connecting plate, the bottom of the connecting plate is provided with an adjusting fork, the adjusting fork is rotatably arranged on the outer wall of the rotating block, the bottom of the arc plate is provided with a fixing cavity, the inside of the fixing cavity is in equidistant clamping fit with a massage auxiliary device, the massage auxiliary device comprises a fixing cylinder, the fixing cylinder is in clamping fit with the inside of the fixing cavity, a rotating disc is rotatably arranged inside the fixing cylinder, the top of the rotating disc is fixedly connected with a rotating motor output shaft, the bottom of the rotating disc is fixedly provided with a heating cavity, and the bottom of the heating cavity is fixedly connected with a massage head.

Description

Wear-type multiple spot independent design's supplementary massage device of department of neurology migraine headache

Technical Field

The invention relates to the technical field of auxiliary massage, in particular to a head-mounted type multipoint independently designed neurology migraine auxiliary massage device.

Background

Neurology is the clinical medicine for studying nervous system diseases and skeletal muscle diseases, the nervous system consists of brain, spinal cord and peripheral nerves, patients in neurology are prone to migraine, therefore, the head needs to be massaged to relieve pain, and the head of a patient is frequently massaged manually at present, although migraine can be reduced, the labor intensity is high, the cost is high, and when the head massage device is used, the head of the patient can not be massaged at multiple points, so that the position of the head massage is limited and is inconvenient to adjust, the auxiliary treatment efficiency of the patient is low, in addition, the existing massage device is lack of functionality and does not have a heating function, so that the forehead of a patient is exposed outside, heat cannot be transferred to the forehead, blood circulation of the patient is not facilitated, and the treatment effect of migraine of the patient is poor.

Disclosure of Invention

The invention aims to provide a head-mounted type neurological migraine auxiliary massage device with a multipoint independent design, so as to solve the problems in the background technology.

In order to achieve the above object, the present invention provides a head-mounted multi-point independently designed auxiliary massage device for migraine in neurology, which at least comprises:

the two symmetrical fixing rings are arranged and are made of silicon rubber, and a rotating block is fixedly connected between the two fixing rings;

multipoint massage mechanism, multipoint massage mechanism includes the arc, the arc tip is provided with the connecting plate, the connecting plate bottom is provided with the regulation fork, it rotates the setting to adjust the fork and is in the turning block outer wall, fixed chamber has been seted up to the arc bottom, the equidistant joint cooperation of fixed intracavity portion has massage auxiliary device, massage auxiliary device includes the solid fixed cylinder, the solid fixed cylinder with the cooperation of the inside joint of fixed intracavity portion, the inside rotation of solid fixed cylinder is provided with the rolling disc, rolling disc top fixedly connected with rotates the motor output shaft, convenient operation, the fixed heating chamber that is provided with in rolling disc bottom, heating chamber bottom fixedly connected with massage head.

When the multipoint massage mechanism is used specifically, the arc-shaped plate is rotated, the adjusting fork is rotated on the outer wall of the rotating block, the arc-shaped plate is adjusted to be positioned at the top of the head, so that the end part of the massage head is tightly attached to the head of a patient, then the rotating disc is driven by the output shaft of the rotating motor to rotate in the fixed cavity, the heating cavity is driven, the massage head is rotated at the top of the head of the patient, and multipoint massage can be carried out on the head of the patient.

As a further improvement of the technical scheme, the outer surfaces of the two connecting plates are respectively provided with a binding belt and a Chinese character 'ri' button, the cross section size of the binding belt is matched with the inside of the Chinese character 'ri' button, and the surface of the binding belt is provided with a magic tape.

As a further improvement of the technical scheme, a sliding groove is formed in the outer wall of the connecting plate, a movable block is arranged inside the sliding groove in a sliding mode, and the end portion of the movable block is fixedly connected with the end portion of the arc-shaped plate.

As a further improvement of the technical scheme, the sliding groove is internally provided with a linkage gear near the corner in a rotating mode, the side wall of the movable block is provided with a rack, the rack is meshed with the outer wall of the linkage gear and is connected with a linkage rod fixedly connected with the end part of the linkage gear, and the end part of the linkage rod is fixedly connected with an adjusting turntable.

As a further improvement of the technical scheme, a plurality of rotating grooves are formed in the outer wall, close to the end portion, of the rotating disc, a roller is rotatably arranged in each rotating groove, and the outer wall of the roller is tightly attached to the inner wall of the fixed cylinder.

As a further improvement of the technical scheme, the outer wall of the fixed cylinder is provided with a clamping cylinder, a clamping column is arranged inside the clamping cylinder in a sliding mode, and the end part of the clamping column is fixedly connected with a limiting spring between the inside of the clamping cylinder.

As a further improvement of the technical scheme, a plurality of clamping grooves are formed in the outer wall of the arc plate at equal intervals, the clamping grooves are communicated with the inner portion of the fixed cavity, and the clamping grooves are matched with the clamping columns in size.

As a further improvement of the technical scheme, the heating chamber is made of a PP material, the outer wall of the heating chamber is communicated with a water filling port, and a sealing cover is sleeved at the end part of the water filling port.

As a further improvement of the technical scheme, a convex block is arranged on the outer wall of one of the fixing rings, a fumigation cover is hinged to the outer wall of the convex block, a rotating fork is arranged on the inner surface, close to the top, of the fumigation cover, the rotating fork rotates on the outer wall of the convex block, and an electric heating net is arranged in the inner cavity of the fumigation cover.

As a further improvement of the technical scheme, the inner surface of the fumigation cover is communicated with a plurality of ventilation openings at equal intervals, a fixing plate is fixedly arranged inside each ventilation opening, a motor is arranged at the end part of each fixing plate, and a fan is fixedly connected to an output shaft of the motor.

Compared with the prior art, the invention has the beneficial effects that:

1. in this department of neurology migraine headache supplementary massage device of wear-type multiple spot independent design, through rotating the arc, adjust the fork and rotate at the turning block outer wall, adjust the position that the arc is located the top of the head, make massage head end portion hug closely patient's head, then drive the rolling disc by rotating motor output shaft and rotate inside fixed intracavity portion, drive the heating chamber and make the massage head rotate at patient top of the head, can carry out the multiple spot massage to patient's head, be favorable to patient's quick recovery.

2. In the department of neurology migraine auxiliary massage device of this wear-type multiple spot independent design, slide about sliding tray is inside through setting up the movable block to change the arc to solid fixed ring's distance, can adjust the massage head to the distance on top of the head according to different patients' head types, can be suitable for different patients.

3. In this department of neurology migraine headache auxiliary massage device of wear-type multiple spot independent design, through pulling out sealed lid, heat the inside injection hot water of chamber from the water filling port, make hot water heat intracavity portion, make and heat chamber outer wall temperature rise, then when massage head contact patient head massage, heat chamber outer wall's temperature contact patient top makes patient top feel the heat, is favorable to promoting blood circulation, improves the quality efficiency of migraine.

4. Among this department of neurology migraine auxiliary massage device of wear-type multiple spot independent design, through when patient migraine, it smokes the cover to rotate, it rotates at the lug outer wall to rotate the fork, it is peripheral to make stifling cover be located patient's forehead, the electric heat net circular telegram generates heat, it generates heat to make stifling cover generate heat, it rotates to drive the fan by motor output shaft, thereby blow off stifling steam of cover inner chamber from ventilative mouthful, can be to patient's forehead department transmission heat, make patient's forehead blood circulation, it is more comfortable to make the head heat smoke, improve the treatment effeciency of migraine, the functionality is stronger.

Drawings

FIG. 1 is a first schematic view of the overall structure of embodiment 1;

FIG. 2 is a second drawing showing the overall structure of embodiment 1;

FIG. 3 is a schematic view of the structure of the fixing ring according to embodiment 1;

FIG. 4 is a schematic view showing the structure of the multipoint massaging mechanism of embodiment 1;

FIG. 5 is a schematic view of the structure at A in example 1;

FIG. 6 is a schematic view of the structure of an arc plate according to example 1;

FIG. 7 is a schematic view of the structure of the fixing frame of embodiment 1;

FIG. 8 is a cut-away view of the massage assisting device in accordance with embodiment 1;

FIG. 9 is an exploded view of the rotary disk of embodiment 1;

FIG. 10 is a schematic view of the fumigation cover of embodiment 1;

fig. 11 is an exploded view of the vent in example 1.

The various reference numbers in the figures mean:

100. a fixing ring; 110. rotating the block; 120. a bump; 121. a fumigation cover; 1210. an electric heating net; 1211. a rotating fork; 1212. a ventilation opening; 1213. a fixing plate; 1214. a motor; 1215. a fan;

200. a multi-point massage mechanism; 210. an arc-shaped plate; 211. a fixed cavity; 212. a card slot; 220. a connecting plate; 221. an adjusting fork; 222. a sliding groove; 223. a movable block; 2231. a rack; 2232. a linkage gear; 2233. a linkage rod; 2234. adjusting the turntable; 230. a massage assisting device; 231. a fixed cylinder; 2311. a clamping cylinder; 2312. clamping the column; 2313. a limiting spring; 232. rotating the disc; 2320. rotating the motor; 2321. a rotating groove; 2322. a drum; 233. a heating cavity; 2331. a water injection port; 2332. a sealing cover; 234. a massage head; 240. a binding band; 241. a Chinese character 'ri' button.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to fig. 11, the present embodiment provides a head-mounted multi-point independently designed auxiliary massage device for migraine in neurology, which at least includes:

the fixing rings 100 are symmetrically arranged, the fixing rings 100 are made of silicon rubber, the silicon rubber is a high polymer elastic material with inorganic and organic properties, a main molecular chain of the silicon rubber is formed by silicon atoms and oxygen atoms in an alternating mode (-Si-O-Si-), a side chain of the silicon rubber is a hydrocarbon or substituted hydrocarbon organic group connected with the silicon atoms, the group can be methyl, unsaturated vinyl or other organic groups, the silicon rubber has excellent heat aging resistance and weather aging resistance due to the low-unsaturation molecular structure, ultraviolet and ozone corrosion resistance is achieved, the flexibility of the molecular chains is large, the interaction force between the molecular chains is weak, vulcanized rubber is soft and elastic due to the structural characteristics, the vulcanized rubber can be worn on the head of a patient, the elastic fixing rings 100 are more comfortable when contacting the patient, and the rotating block 110 is fixedly connected between the two fixing rings 100;

the multi-point massage mechanism 200, the multi-point massage mechanism 200 includes the arc 210, the end of the arc 210 has a connection plate 220, there is a regulation fork 221 at the bottom of the connection plate 220, the regulation fork 221 rotates and sets up in the outer wall of the turning block 110, can rotate the arc 210, make the regulation fork 221 rotate on the outer wall of the turning block 110, facilitate the regulation arc 210 to locate at the position of the top of the head, facilitate the subsequent regulation massage head position, the bottom of the arc 210 has fixed cavities 211, the equidistant joint fit has massage auxiliary devices 230 in the fixed cavities 211, the massage auxiliary devices 230 include the fixed cylinder 231, the fixed cylinder 231 is in joint fit with the fixed cavity 211, there is a rotating disc 232 in the fixed cylinder 231, the top of the rotating disc 232 is fixedly connected with the output shaft of the rotating motor 2320, connect the power to the rotating motor 2320, make it work, the output shaft of the rotating motor 2320 drives the rotating disc 232 to rotate in the fixed cavity 211, convenient operation, the fixed heating chamber 233 that is provided with in rolling disc 232 bottom, heating chamber 233 bottom fixedly connected with massage head 234, when rolling disc 232 rotated, drive heating chamber 233 and make massage head 234 rotate at patient's top of the head, can carry out the multiple spot massage to patient's head, be favorable to patient's quick recovery.

When the multipoint massage mechanism 200 is used specifically, the arc-shaped plate 210 is rotated, the adjusting fork 221 rotates on the outer wall of the rotating block 110, the adjusting arc-shaped plate 210 is positioned at the top of the head, so that the end part of the massage head 234 is tightly attached to the head of a patient, then the rotating disc 232 is driven by the output shaft of the rotating motor 2320 to rotate inside the fixed cavity 211, the heating cavity 233 is driven, so that the massage head 234 rotates at the top of the head of the patient, and the head of the patient can be massaged at multiple points.

In this embodiment, in order to avoid dropping off during the massage process, two connecting plates 220 outer surfaces are provided with the binding belt 240 and the fastener 241, the cross-sectional dimension of the binding belt 240 is matched with the inside of the fastener 241, the surface of the binding belt 240 is provided with the magic tape, the primary and secondary surfaces of the magic tape are provided with fine and soft fibers, the other surface is the bristles with hooks, the primary and secondary surfaces can be in bonding fit, when the fixing ring 100 is worn on the head of a patient, the binding belt 240 slides over the chin of the patient, the end of the binding belt 240 passes through the inside of the fastener 241, the binding belt 240 is pulled, the magic tape on the surface is bonded and matched, the fixing ring 100 is limited and fixed on the head of the patient, the shaking and dropping off are avoided, and the stability of the massage is ensured.

Further, in order to adjust the distance from the massage head 234 to the top of the head according to the head types of different patients, the outer wall of the connecting plate 220 is provided with a sliding groove 222, the sliding groove 222 is internally provided with a movable block 223 in a sliding manner, the end part of the movable block 223 is fixedly connected with the end part of the arc-shaped plate 210, the movable block 223 can slide up and down in the sliding groove 222, the distance from the arc-shaped plate 210 to the fixed ring 100 can be changed, the distance from the massage head 234 to the top of the head can be adjusted according to the head types of different patients, and the massage head can be suitable for different patients.

Specifically, for the sliding of the movable block 223 to be more stable and convenient, the inside corner that is close to of the sliding groove 222 rotates and is provided with the linkage gear 2232, the side wall of the movable block 223 is provided with the rack 2231, the rack 2231 is engaged with the outer wall of the linkage gear 2232, the linkage rod 2233 is fixedly connected with the end of the linkage gear 2232, the adjusting turntable 2234 is fixedly connected with the end of the linkage rod 2233, the adjusting turntable 2234 is held to rotate, thereby the linkage rod 2233 drives the linkage gear 2232 to rotate, the outer wall of the rack 2231 moves up and down along the engagement of the linkage gear 2232, the movable block 223 is driven to slide up and down in the sliding groove 222, the operation is convenient, and the sliding of the movable block 223 is more stable and convenient.

Further, in order to reduce the frictional resistance of rolling disc 232 inner wall and fixed section of thick bamboo 231 inner wall, alleviate wearing and tearing, a plurality of rotation grooves 2321 have been seted up to the outer wall that rolling disc 232 is close to the tip, it is provided with cylinder 2322 to rotate the inside rotation of groove 2321, cylinder 2322 outer wall and the inseparable laminating of fixed section of thick bamboo 231 inner wall, rotate at rolling disc 232 when fixed section of thick bamboo 231 is inside, drive a plurality of cylinders 2322 and rotate inside rotation groove 2321, make cylinder 2322 roll along the inner wall of fixed section of thick bamboo 231, reduce the frictional resistance of rolling disc 232 inner wall and fixed section of thick bamboo 231 inner wall, avoid long-time rotation wearing and tearing serious damage, and the service life is prolonged.

Furthermore, in order to facilitate the subsequent disassembly, maintenance and replacement of the massage assisting device 230, the outer wall of the fixing cylinder 231 is provided with the clamping cylinder 2311, the clamping cylinder 2311 is internally provided with the clamping column 2312 in a sliding manner, the end part of the clamping column 2312 is fixedly connected with the clamping cylinder 2311 through the limiting spring 2313, the outer wall of the arc-shaped plate 210 is provided with a plurality of clamping grooves 212 at equal intervals, the inner parts of the clamping grooves 212 are communicated with the inner part of the fixing cavity 211, the inner parts of the clamping grooves 212 are matched with the size of the clamping column 2312, the clamping column 2312 can be pressed to enable the clamping column 2312 to slide into the clamping cylinder 2311, the limiting spring 2313 is compressed, then the fixing cylinder 231 is inserted into the fixing cavity 211 to enable the clamping column 2312 to be aligned with the clamping grooves 212, the end part of the clamping column 2312 is driven to slide out of the inner part of the clamping cylinder 2311 to be inserted into the clamping groove 212 under the elastic force effect of the limiting spring 2313, so that the fixing cylinder 231 can be clamped and fixed in the fixing cavity 211, the massage assisting device 230 is convenient to install and when the massage assisting device 230 is disassembled, only need press card post 2312, make inside card post 2312 tip roll-off draw-in groove 212 stretched into joint section of thick bamboo 2311, can pull out massage auxiliary device 230, the follow-up dismantlement maintenance of being convenient for is changed, and the practicality is stronger.

Wherein, in order to promote the blood circulation of top of the head, heating chamber 233 adopts the PP material, convenient production, low cost, heating chamber 233 outer wall intercommunication has water filling port 2331, water filling port 2331 tip cover is equipped with sealed lid 2332, can pull out sealed lid 2332, from water filling port 2331 to the inside hot water of injection of heating chamber 233, make hot water inside heating chamber 233, make heating chamber 233 outer wall temperature rise, then when massage head 234 contacts the massage of patient's head, the temperature contact patient top of heating chamber 233 outer wall, make the patient top of the head feel the heat, be favorable to promoting blood circulation, improve the quality and efficiency of migraine.

In addition, in order to transfer heat to the forehead of the patient and improve the treatment efficiency of migraine, the outer wall of one of the fixing rings 100 is provided with a bump 120, the outer wall of the bump 120 is hinged with a fumigation cover 121, the inner surface of the fumigation cover 121 close to the top is provided with a rotary fork 1211, the rotary fork 1211 rotates on the outer wall of the bump 120, the inner cavity of the fumigation cover 121 is provided with an electric heating net 1210, when the patient has migraine, the fumigation cover 121 is rotated, the rotary fork 1211 rotates on the outer wall of the bump 120, the fumigation cover 121 is positioned on the periphery of the forehead of the patient, the electric heating net 1210 is powered on to work, the electric heating net 1210 is powered on to generate heat, the fumigation cover 121 generates heat, the heat can be transferred to the forehead of the patient, the forehead blood circulation of the patient is enabled, the head is heated to be fumigated more comfortably, the treatment efficiency of migraine is improved, and the functionality is stronger.

Concretely, be heated more evenly in order to make the forehead, improve blood circulation, stifling cover 121 internal surface equidistant intercommunication has a plurality of ventilative mouthful 1212, make the inside electric heat net 1210 of stifling cover 121 generate heat, steam is discharged in patient's forehead department from a plurality of ventilative mouthful 1212, guarantee structural integrity, ventilative mouthful 1212 inside fixed plate 1213 that is provided with, fixed plate 1213 tip is provided with motor 1214, motor 1214 output shaft fixedly connected with fan 1215, with motor 1214 switch-on, make its work, it rotates to drive fan 1215 by motor 1214 output shaft, thereby blow out the steam of stifling cover 121 inner chamber from ventilative mouthful 1212, can make the forehead be heated more evenly, be favorable to improving blood circulation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A wear-type multiple spot independent design's department of neurology migraine headache auxiliary massage device which characterized in that includes at least:

the fixing ring (100) is provided with two symmetrical fixing rings (100), the fixing rings (100) are made of silicon rubber, and a rotating block (110) is fixedly connected between the two fixing rings (100);

the multipoint massage mechanism (200), the multipoint massage mechanism (200) comprises an arc plate (210), a connecting plate (220) is arranged at the end of the arc plate (210), an adjusting fork (221) is arranged at the bottom of the connecting plate (220), the adjusting fork (221) is rotatably arranged on the outer wall of the rotating block (110), a fixed cavity (211) is formed at the bottom of the arc plate (210), a massage auxiliary device (230) is matched with the inside of the fixed cavity (211) in an equidistant clamping manner, the massage auxiliary device (230) comprises a fixed cylinder (231), the fixed cylinder (231) is matched with the inside of the fixed cavity (211) in a clamping manner, a rotating disc (232) is rotatably arranged inside the fixed cylinder (231), the top of the rotating disc (232) is fixedly connected with an output shaft of a rotating motor (2320), the operation is convenient, a heating cavity (233) is fixedly arranged at the bottom of the rotating disc (232), the bottom of the heating cavity (233) is fixedly connected with a massage head (234).

2. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 1, wherein: the outer surfaces of the two connecting plates (220) are respectively provided with a binding belt (240) and a Chinese character 'ri' button (241), the cross section size of the binding belt (240) is matched with the inside of the Chinese character 'ri' button (241), and the surface of the binding belt (240) is provided with a magic tape.

3. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 1, wherein: a sliding groove (222) is formed in the outer wall of the connecting plate (220), a movable block (223) is arranged in the sliding groove (222) in a sliding mode, and the end portion of the movable block (223) is fixedly connected with the end portion of the arc-shaped plate (210).

4. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 3, wherein: inside being close to the corner rotation of sliding tray (222) is provided with linkage gear (2232), movable block (223) lateral wall is provided with rack (2231), rack (2231) with linkage gear (2232) outer wall meshing is connected, linkage gear (2232) tip fixedly connected with gangbar (2233), carousel (2234) is adjusted to gangbar (2233) tip fixedly connected with.

5. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 1, wherein: the outer wall of the rotating disc (232) close to the end is provided with a plurality of rotating grooves (2321), the rotating grooves (2321) are internally and rotatably provided with rollers (2322), and the outer wall of each roller (2322) is tightly attached to the inner wall of the fixed cylinder (231).

6. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 1, wherein: the fixed cylinder (231) is provided with a clamping cylinder (2311) on the outer wall, a clamping column (2312) is arranged inside the clamping cylinder (2311) in a sliding mode, and a limiting spring (2313) is fixedly connected between the end portion of the clamping column (2312) and the inside of the clamping cylinder (2311).

7. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 6, wherein: a plurality of clamping grooves (212) are formed in the outer wall of the arc-shaped plate (210) at equal intervals, the inside of each clamping groove (212) is communicated with the inside of the corresponding fixed cavity (211), and the inside of each clamping groove (212) is matched with the corresponding clamping column (2312) in size.

8. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 1, wherein: the heating chamber (233) adopts the PP material, the outer wall intercommunication of heating chamber (233) has water filling port (2331), water filling port (2331) tip cover is equipped with sealed lid (2332).

9. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 1, wherein: the outer wall of one of the fixing rings (100) is provided with a convex block (120), the outer wall of the convex block (120) is hinged with a fumigation cover (121), the inner surface, close to the top, of the fumigation cover (121) is provided with a rotating fork (1211), the rotating fork (1211) rotates on the outer wall of the convex block (120), and an electric heating net (1210) is arranged in the inner cavity of the fumigation cover (121).

10. The head-mounted multi-point independently designed neurologic migraine auxiliary massage apparatus of claim 9, wherein: the inner surface of the fumigation cover (121) is communicated with a plurality of ventilation ports (1212) at equal intervals, a fixing plate (1213) is fixedly arranged in each ventilation port (1212), a motor (1214) is arranged at the end of each fixing plate (1213), and an output shaft of each motor (1214) is fixedly connected with a fan (1215).