阅读说明：本技术 一种自泵气防护服 (Self-pumping gas protective clothing ) 是由 万延见 王宝根 卢锡龙 邓大勇 于 2020-04-20 设计创作，主要内容包括：一种自泵气防护服,包括防护服本体,所述防护服本体至少一个鞋底设有弹性踏板,所述弹性踏板底部转动连接有底板,所述弹性踏板端部与底板之间连接有第一气泵,所述第一气泵上连接有第一抽气管和第一回气管,所述第一抽气管远离第一气泵的一端与防护服本体内部连通,所述第一回气管远离第一气泵的一端连接有热交换管,所述热交换管设置在防护服本体内部,所述热交换管远离第一回气管的一端设于防护服本体头部位置,所述防护服本体外侧对应热交换管处设有冷却部。本发明无需额外安装电池或外接电源,靠自身踩踏泵气实现防护服内气流循环降温并提供负氧离子,提高舒适度；设置刮雾装置方便刮雾；通过设置水凝胶夹层增加使用寿命。(The utility model provides a from pump gas protective clothing, includes the protective clothing body, at least one sole of protective clothing body is equipped with the elasticity footboard, elasticity footboard bottom is rotated and is connected with the bottom plate, be connected with first air pump between elasticity footboard tip and the bottom plate, be connected with first exhaust tube and first muffler on the first air pump, the one end and the inside intercommunication of protective clothing body that first air pump was kept away from to first exhaust tube, the one end that first air pump was kept away from to first muffler is connected with hot exchange pipe, hot exchange pipe sets up inside the protective clothing body, the one end that first muffler was kept away from to hot exchange pipe is located protective clothing body head position, the protective clothing body outside corresponds hot exchange pipe department and is equipped with the cooling portion. According to the invention, an extra battery or an external power supply is not required to be installed, the air flow in the protective clothing is circularly cooled and negative oxygen ions are provided by treading the pump air by the protective clothing, and the comfort level is improved; the fog scraping device is arranged to facilitate fog scraping; the service life is increased by arranging the hydrogel interlayer.)

1. The utility model provides a from pump gas protective clothing, includes the protective clothing body, characterized by, at least one sole of protective clothing body is equipped with the elasticity footboard, elasticity footboard bottom is rotated and is connected with the bottom plate, be connected with first air pump between elasticity footboard tip and the bottom plate, be connected with first exhaust tube and first muffler on the first air pump, the one end and the inside intercommunication of protective clothing body that first air pump was kept away from to first exhaust tube, the one end that first air pump was kept away from to first muffler is connected with hot exchange pipe, hot exchange pipe sets up inside the protective clothing body, protective clothing body head position is located to the one end that first muffler was kept away from to hot exchange pipe, the protective clothing body outside corresponds hot exchange pipe department and is equipped with the cooling portion.

2. The self-pumping gas protection suit according to claim 1, wherein the first gas pump comprises a sleeve, a rotating shaft, a speed increaser, a fan and a gas box, the bottom plate is elastically connected with the sleeve, the inner wall of the sleeve is provided with a rotary groove, the rotary groove is a zigzag chute which is circumferentially connected end to end, a lug is arranged on the outer side of the rotating shaft and is slidably connected with the rotary groove, the bottom of the rotating shaft is rotatably connected with the bottom plate, a central shaft is arranged in the rotating shaft, the central shaft is fixedly connected with the rotating shaft in the circumferential direction and is axially slidably connected with the rotating shaft, the central shaft is connected with the fan through the speed increaser, the fan is arranged in the gas box, the gas box is connected with a first gas suction pipe and a first gas return pipe, and the interfaces of the first gas suction.

3. The self-pumping protective suit of claim 2, wherein the rotary chute comprises a plurality of first chutes and second chutes connected end to end, and a transition chute is arranged at the joint of the first chute and the second chute.

4. A self-pumping gas protective garment as claimed in claim 1, 2 or 3, wherein said heat exchange tubes are of serpentine disk-like configuration.

5. The self-pumping protective clothing as claimed in claim 1, 2 or 3, wherein a second air pump is further arranged between the end of the elastic pedal and the bottom plate, the second air pump comprises a telescopic cavity, a second air pumping pipe and a second air returning pipe are connected to the telescopic cavity, one ends of the second air pumping pipe and the second air returning pipe, which are far away from the second air pump, are communicated with the interior of the protective clothing body, a negative oxygen ion brush and a friction piece are arranged in the telescopic cavity, the negative oxygen ion brush rubs on the friction piece along with the telescopic cavity, and a check valve is arranged at a joint of the second air pumping pipe and the second air returning pipe.

6. The self-pumping gas protection suit of claim 5, wherein the friction member is fixed at the bottom of the telescopic cavity, the friction member protrudes upwards, one end of the negative oxygen ion brush is connected to the top of the telescopic cavity, and the other end of the negative oxygen ion brush extends towards the friction member.

7. The self-pumping protective clothing as claimed in claim 5, wherein the end of the negative oxygen ion brush is covered with a tourmaline negative ion layer, and the friction member is made of acrylic fiber.

8. The self-pumping protective clothing as claimed in claim 1, 2 or 3, wherein a transparent window is arranged at the face of the protective clothing body, a magnetic sliding groove is formed in the edge of the transparent window, a mist scraper is arranged on the inner side of the transparent window, a magnetic sliding block is fixedly connected to the mist scraper and is arranged in the magnetic sliding groove in a sliding manner, and a magnetic stirring block corresponding to the magnetic sliding block is arranged on the outer side of the transparent window.

9. The self-pumping protective clothing as claimed in claim 9, wherein a neck sleeve is arranged on the outer side of the neck of the protective clothing body, the bottom of the neck sleeve is fixedly connected with the protective clothing body, the top edge of the neck sleeve is in circumferential sliding connection with the protective clothing body, and the neck sleeve is detachably connected with the magnetic poking block.

10. The self-pumping protective garment according to claim 1, 2 or 3, wherein the protective garment body is provided with an interlayer which is a net structure, and the net structure is coated with a hydrogel containing silver ions.

Technical Field

The invention relates to the technical field of protective clothing, in particular to self-pumping protective clothing.

Background

The protective clothing is a human body protective device commonly used in the chemical industry and the pharmaceutical industry at present. At present, special protective clothing for hospitals, laboratories and other places realize power supply and air pumping operation either without a power source or by a battery or an external power supply. The exhaust dehumidification effect of the power-source-free protective clothing is poor, the clothing feels very stuffy when being worn for a long time, and the comfort level is greatly reduced; the battery supplies power to pump air to exhaust and dehumidify, the small battery has limited power, and the large battery is too heavy; the external power supply is greatly limited by the external environment and cannot move freely in a large range.

For example, a "biosafety protective garment" disclosed in chinese patent literature, whose publication number is CN206251965U, includes a protective garment main body, a transparent head cover, protective boots, protective gloves, an airtight zipper, an air supply system, and an air duct; the protective gloves and the protective boots are respectively connected with the protective suit main body into a whole; the transparent head cover is directly connected with the protective clothing body in a heat seal mode in a high-frequency heat seal mode; the protective clothing body is provided with an airtight zipper; the biological safety protective clothing also comprises a layered filter disc; the protective clothing main body is respectively provided with an armpit air outlet and a crotch air outlet under the armpit and the crotch; the top of the transparent hood is provided with a top exhaust port; laminated filter sheets are attached to the armpit air outlet, the crotch air outlet and the top air outlet; the air supply system is fixed outside the protective boot; one section of the air pipe extends into the protective boot, and the other end of the air pipe is connected with an air supply system. The utility model has the disadvantages that the utility model has a power source, the power of the small battery is limited, and the large battery is too heavy; the external power supply is greatly limited by the external environment and cannot move freely in a large range.

Disclosure of Invention

The invention provides the self-pumping protective clothing, aiming at overcoming the problems of internal sultriness and poor comfort of the passive protective clothing in the prior art, as well as the problems that the active protective clothing is greatly influenced by the size of a battery and an external power supply, and is easy to have insufficient power or difficult to move, and the self-pumping protective clothing does not need to additionally install the battery or the external power supply, realizes the circulating cooling of air flow in the protective clothing by treading on pumping air by self, and improves the comfort.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a from pump gas protective clothing, includes the protective clothing body, at least one sole of protective clothing body is equipped with the elasticity footboard, elasticity footboard bottom is rotated and is connected with the bottom plate, be connected with first air pump between elasticity footboard tip and the bottom plate, be connected with first exhaust tube and first muffler on the first air pump, the one end and the inside intercommunication of protective clothing body that first air pump was kept away from to first exhaust tube, the one end that first air pump was kept away from to first muffler is connected with hot exchange pipe, hot exchange pipe sets up inside the protective clothing body, the one end that first muffler was kept away from to hot exchange pipe is located protective clothing body head position, the protective clothing body outside corresponds hot exchange pipe department and is equipped with the cooling portion.

The sole is provided with the first air pump, the elastic pedal is driven to move up and down by self treading, the space between the elastic pedal and the bottom plate continuously stretches along with the treading to drive the first air pump to operate, the first air pump pumps damp and hot air in the protective clothing into the first air pump through the first air pumping pipe and leads to the heat exchange pipe through the first air return pipe, the heat exchange pipe is tightly attached to the cooling part, after the damp and hot air in the heat exchange pipe exchanges heat with the cooling part, the air temperature is reduced, and the damp and hot air is led to the position of the head in the protective clothing, so that the environmental temperature of the head of a wearer is reduced, the stuffiness of the wearer is reduced, and the. The invention does not need to be provided with a power supply, and the air pump can be driven to operate and circulate air to cool by continuously treading the feet of the wearer when the wearer walks or actively treading the wearer when the wearer is static. The first air pump can be arranged on one shoe or can be arranged on two shoes.

Preferably, the air pump device comprises a sleeve, a rotating shaft, a speed increaser, a fan and an air box, the bottom plate is elastically connected with the sleeve, a rotating groove is formed in the inner wall of the sleeve, the rotating groove is a zigzag chute which is circumferentially connected end to end, a bump is arranged on the outer side of the rotating shaft and is in sliding connection with the rotating groove, the bottom of the rotating shaft is rotatably connected with the bottom plate, a center shaft is arranged in the rotating shaft and is fixedly connected with the rotating shaft in the circumferential direction and in axial sliding connection with the rotating shaft in the circumferential direction, the center shaft is connected with the fan through the speed increaser, the fan is arranged in the air box, a first air exhaust pipe and a first air return pipe are connected to the air box, and connectors of.

When a user treads the pedal, the elastic pedal is pressed downwards to drive the sleeve to be pressed downwards, the lug of the rotating shaft is driven to slide upwards along the chute, the sleeve and the rotating shaft form relative displacement, the rotating shaft is driven to rotate for a certain angle in the sleeve, the middle shaft is driven to synchronously rotate, the middle shaft drives the speed increaser to rotate through the input shaft, and after the speed increaser is accelerated, the rotating speed of the output shaft is increased to drive the fan to rotate; when a user lifts the foot, the elastic pedal is lifted and restored, the sleeve is lifted under the driving of the elastic piece and the elastic pedal, the lug of the rotating shaft is driven to slide downwards along the inclined groove, the sleeve and the rotating shaft form relative displacement, the rotating shaft is driven to continue to rotate for a certain angle in the same direction in the sleeve, and the middle shaft is driven to synchronously rotate; when the fan rotates, pass through in the first exhaust tube suction gas box with one side air to discharge the opposite side air through first muffler, realized trampling gaseous circulation and cooling in-process protective clothing, fan drive air current is softer, and the user experiences comfortablely.

Preferably, the rotary groove comprises a plurality of first inclined grooves and second inclined grooves which are connected end to end, and transition grooves are arranged at the joints of the first inclined grooves and the second inclined grooves.

The groove wall on one side of the transition groove is an arc-shaped wall and is arranged on one side far away from the advancing direction of the convex block, so that the convex block is smoothly transited from one inclined groove to the other inclined groove; the groove wall on the other side of the transition groove is a vertical surface and is arranged on one side close to the advancing direction of the convex block, and the advancing direction of the convex block is limited so that the convex block can quickly enter the next inclined groove.

Preferably, the heat exchange tube has a serpentine disk-like structure.

The heat exchange tube with the serpentine disc-shaped structure improves the heat exchange efficiency of gas in the tube and the cooling part.

Preferably, a second air pump is further arranged between the end portion of the elastic pedal and the bottom plate and comprises a telescopic cavity, a second air pumping pipe and a second air return pipe are connected to the telescopic cavity, one ends, far away from the second air pump, of the second air pumping pipe and the second air return pipe are communicated with the inside of the protective clothing body, a negative oxygen ion brush and a friction piece are arranged in the telescopic cavity, the negative oxygen ion brush rubs on the friction piece along with the telescopic cavity, and a check valve is arranged on an interface with the second air pumping pipe and an interface with the second air return pipe.

When only one shoe is provided with the first air pump, the other shoe can be provided with the second air pump, the flexible cavity is compressed by stepping on the elastic pedal, the negative oxygen ion brush is contacted with the friction piece and mutually rubs to generate static electricity, and electrons generated by the static electricity can cause the surrounding air to generate an ion migration effect, so that the structure of the surrounding electron layer is changed to generate O +, H + and OH negative oxygen ions; when the elastic pedal is lifted, the telescopic cavity is recovered, the negative oxygen ion brush continuously and reversely rubs with the friction piece to generate negative oxygen ions, gas in the protective clothing enters the telescopic cavity to the second exhaust pipe through the one-way valve, and a certain amount of negative oxygen ions can be continuously generated under the continuous friction of the negative oxygen ion brush and the friction piece. Because one foot is always pressed down and the other foot is lifted up when the protective clothing is walked, the ventilation on one side and the air suction on the other side can be always ensured, the internal environment of the protective clothing is always kept in a better state, and the two feet are provided with devices, so that the balance and the stepping comfort level are improved.

Preferably, the friction piece is fixed at the bottom of the telescopic cavity, the friction piece protrudes upwards, one end of the negative oxygen ion brush is connected to the top of the telescopic cavity, and the other end of the negative oxygen ion brush extends towards the friction piece.

The structure ensures that the negative oxygen ion brush is fully contacted with the friction piece to generate sufficient negative oxygen ions.

Preferably, the end part of the negative oxygen ion brush is covered with a tourmaline negative ion layer, and the friction piece is made of acrylic fiber.

When the tourmaline negative ion layer is rubbed with the acrylic fiber friction piece, the end part of the negative oxygen ion brush discharges electricity to generate static electricity, and air is ionized to generate negative oxygen ions.

Preferably, the protective clothing body is provided with a transparent window at the face position, a magnetic sliding groove is formed in the edge of the transparent window, a mist scraper is arranged on the inner side of the transparent window, a magnetic sliding block is fixedly connected to the mist scraper and is arranged in the magnetic sliding groove in a sliding mode, and a magnetic stirring block corresponding to the magnetic sliding block is arranged on the outer side of the transparent window.

When a user exhales, water mist is extremely easily generated on the transparent window, the magnetic stirring block is stirred by hands, the mist scraper in the protective clothing is driven to slide in the magnetic sliding groove, and the mist is scraped on the inner surface of the transparent window, so that the influence of the water mist is eliminated.

Preferably, the neck sleeve is arranged on the outer side of the neck of the protective garment body, the bottom of the neck sleeve is fixedly connected with the protective garment body, the top edge of the neck sleeve is connected with the protective garment body in a circumferential sliding mode, and the neck sleeve is detachably connected with the magnetic stirring block.

The neck is provided with a neck sleeve, when the neck rotates, the bottom of the neck sleeve is fixed with the protective clothing, the top of the neck sleeve is driven to rotate by a certain angle, and the neck sleeve drives the magnetic stirring block to move. Through setting up the neck cover, need not manual stirring magnetism and dial the piece, only need rotate the neck and just can accomplish and scrape the fog action, liberation both hands, when need not scrape the fog, dial the piece with the magnetism with the neck cover and break away from the connection can.

Preferably, the neck sleeve is arranged on the outer side of the neck of the protective clothing body, the protective clothing body is provided with an interlayer, the interlayer is of a net-shaped structure, and hydrogel containing silver ions is coated on the net-shaped structure.

The hydrogel material is mixed with ionic materials with a disinfection function, such as silver ions, and the hydrogel is attached to the net structure, so that the protective clothing is breathable and has the disinfection function, and the service life is prolonged.

Therefore, the invention has the following beneficial effects: (1) the first air pump is arranged, air circulation in the protective clothing can be realized by pedaling the air pump, and an additional power supply is not needed; (2) the heat exchange pipe and the cooling part are arranged to cool the air in the protective clothing, so that the use comfort is improved; (3) the second air pump is arranged, negative oxygen ions are generated by the foot-operated air pump, so that the quality of air in the protective clothing is improved, and the comfort level is further improved; (4) the air pumps are respectively arranged on the two feet, so that air suction and air exhaust are realized simultaneously when the person walks, and the balance and the internal environment of the protective clothing are improved; (5) the fog wiper and the magnetic stirring block are arranged, so that the fog wiping function on the interior of the transparent window outside the protective clothing is realized; (6) through the arrangement of the neck sleeve, mist scraping is realized by rotating the neck part, and hands are liberated; (7) the hydrogel interlayer is arranged to ensure that the protective clothing is breathable and has a disinfection function, and the service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the structure of the first air pump of the present invention.

Fig. 3 is a sectional view of the first air pump of the present invention.

FIG. 4 is a cross-sectional view of the sleeve of the present invention

Fig. 5 is a schematic view of the structure of a second air pump according to the present invention.

Fig. 6 is a sectional view of a second air pump of the present invention.

FIG. 7 is a cross-sectional view of a transparent window in accordance with the present invention.

In the figure: 1. the protective suit comprises a protective suit body, 11, an interlayer, 12, a transparent window, 13, a neck sleeve groove, 2, shoe covers, 21, a bottom plate, 211, an elastic pedal, 212, a first spring, 213, a second spring, 22, a sealing zipper, 3, a neck sleeve, 31, a neck sleeve sliding block, 4, a first air pump, 41, a sleeve, 411, a first chute, 412, a second chute, 413, a transition groove, 42, a rotating shaft, 421, a bump, 422, a convex strip, 43, a middle shaft, 431, a chute, 44, a speed increaser, 441, an input shaft, 442, an output shaft, 45, a fan, 46, an air chamber, 461, an air suction interface, 462, an air return interface, 47, a first air suction pipe, 48, a second air suction pipe, 5, a second air pump, 51, a top plate, 52, a bottom plate, 53, a telescopic cavity, 54, an oxygen ion brush, 541, a brush head, 55, a friction piece, 56, a second air return pipe, 57, a second air return pipe, 58 and a one-way, 6. the fog scraping device comprises a fog scraping device 61, a fog scraping strip 611, a magnetic sliding block 62, a magnetic sliding groove 63, a magnetic stirring block 631 and a connecting strip.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

In the embodiment shown in fig. 1, the self-pumping protective clothing comprises a protective clothing body 1, wherein an interlayer 11 is arranged on the lower half of the protective clothing body 1, the interlayer is of a net-shaped structure, and hydrogel containing silver ions is coated on the net-shaped structure. The protective clothing body 1 is connected with the shoe cover 2 through the sealing zipper 22, as shown in figure 2, the bottom of the shoe cover 2 is provided with a bottom plate 21, the upper part of the heel of the bottom plate 21 is rotatably connected with an elastic pedal 211, the middle part of the elastic pedal 211 is connected with the bottom plate 21 through a first spring 212, one of them elasticity footboard 211 is connected with first air pump 4 between rear end and the bottom plate 21, be connected with first exhaust tube 47 and first muffler 48 on the first air pump 4, the inside intercommunication of one end and protective clothing body 1 head that first air pump was kept away from to first exhaust tube 47, the one end that first air pump was kept away from to first muffler 48 is connected with snakelike discoid heat exchange pipe 481, heat exchange pipe 481 sets up inside protective clothing body 1, the position of protective clothing body 1 head is located to the one end that first muffler was kept away from to heat exchange pipe 481, the corresponding heat exchange pipe department in the protective clothing body 1 outside is equipped with the cooling portion, the cooling portion is the ice bag. As shown in fig. 3, the first air pump 4 includes a sleeve 41, a rotary shaft 42, a speed increaser 44, a fan 45 and an air box 46, and the bottom plate 21 is connected to the bottom of the sleeve 41 by a second spring 213. As shown in fig. 4, the inner wall of the sleeve 41 is provided with a revolving chute, the revolving chute is a zigzag chute that is circumferentially connected end to end, the revolving chute includes a plurality of first chutes 411 and second chutes 412 that are connected end to end, the junction of the first chute and the second chute is provided with a transition groove 413, a side wall of the transition groove 413 is an arc wall, another side wall of the transition groove 413 is a vertical surface, a revolving shaft 42 is movably connected in the sleeve 41, a projection 421 is arranged on the outer side of the revolving shaft 42, the projection 421 is connected with the revolving chute in a sliding manner, the bottom of the revolving shaft 42 is rotatably connected with the bottom plate 21, a middle shaft 43 is arranged in the revolving shaft 42, an inner wall of the revolving shaft is provided with a raised bar 422, a vertical chute 431 is arranged on the outer side of the middle shaft 43, the raised bar 422 is slidably connected with the chute 431, the middle shaft 43 is connected with an input shaft 441 of the speed increaser 44. The output shaft 442 of the speed increaser is connected to the fan 45, the fan 45 is disposed in the gas box 46, the gas box 46 on the lower side of the fan 45 is connected to the first suction pipe 47 through the suction port 461, and the gas box 46 on the upper side of the fan 45 is connected to the first return pipe 48 through the return port 462.

When a user treads the electric fan, the elastic pedal is pressed downwards to drive the sleeve to be pressed downwards, the lug of the rotating shaft is driven to slide upwards along the first chute, the sleeve and the rotating shaft form relative displacement to drive the rotating shaft to rotate for a certain angle in the sleeve, the raised strips drive the central shaft to synchronously rotate, the central shaft drives the speed increaser to rotate through the input shaft, and after the speed increaser accelerates, the rotating speed of the output shaft is increased to drive the fan to rotate; when a user lifts the foot, the elastic pedal is lifted and restored, the sleeve is lifted under the driving of the elastic piece and the elastic pedal, the lug which drives the rotating shaft slides downwards along the second chute through the transition groove, the sleeve and the rotating shaft form relative displacement, the rotating shaft is driven to continue to rotate for a certain angle in the same direction in the sleeve, the middle shaft is driven to synchronously rotate, the middle shaft drives the speed increaser to rotate through the input shaft, after the speed increaser accelerates, the rotating speed of the output shaft is increased, the fan is driven to rotate, and the lug moves in a zigzag type along the circumferential direction of the zigzag chute in the processes of repeated treading and lifting the foot, so that the fan continuously rotates; when the fan rotates, moist hot air on one side is pumped into the air box through the first exhaust pipe, air on the other side is exhausted through the first air return pipe, after the moist hot air is subjected to heat exchange with the cooling part through the heat exchange pipe, the air temperature is reduced, and the moist hot air is introduced into the head part of the protective clothing, so that the temperature of the environment where the head of a wearer is located is reduced, the stuffiness feeling of the wearer is reduced, the gas circulation and cooling in the protective clothing in the trampling process are realized, the fan driving air flow is soft, the user experiences comfortableness, the hydrogel interlayer has the sterilization and ventilation functions, and the hydrogel interlayer is arranged on the lower half body and places the center of gravity at.

As shown in fig. 5, a second air pump 5 is further disposed between the end of the elastic pedal 211 of the other shoe cover 2 and the bottom plate 21, as shown in fig. 6, the second air pump 5 includes a top plate 51, a bottom plate 52 and a telescopic cavity 53 disposed therebetween, the telescopic cavity 53 is connected with a second air pumping pipe 56 and a second air returning pipe 57 through a one-way valve 58, one end of the second air pumping pipe 56, which is far away from the second air pump 5, is communicated with the inside of the shoe cover 2, one end of the second air returning pipe 58, which is far away from the second air pump 5, is communicated with the inside of the head of the protective clothing body 1, a negative oxygen ion brush 54 and a friction member 55 are disposed in the telescopic cavity 53, the negative oxygen ion brush 54 is connected to the top plate 51, the brush head 541 extends downward and expands outward, a tourmaline negative ion layer is disposed on the surface of the brush head 541.

The other shoe cover is provided with a second air pump, the flexible cavity is compressed by treading the elastic pedal, the negative oxygen ion brush is pressed downwards, the brush head is contacted with the friction piece, the brush hair expands outwards, the tourmaline negative ion layer of the brush head of the negative oxygen ion brush is contacted with the acrylic fiber friction piece and mutually rubs to generate static electricity, and the electrons generated by the static electricity can cause the surrounding air to generate an ion migration effect, so that the structure of the surrounding electron layer is changed to generate O +, H + and OH negative oxygen ions; when the elastic pedal is lifted, the telescopic cavity is recovered, the brush head is contracted and continuously and reversely rubs with the friction piece to generate negative oxygen ions, gas in the protective suit enters the telescopic cavity to the second exhaust tube through the one-way valve, and a certain amount of negative oxygen ions can be continuously generated under the continuous friction of the negative oxygen ion brush and the friction piece. Because one foot is always pressed down and the other foot is lifted up when the protective clothing is walked, the ventilation on one side and the air suction on the other side can be always ensured, the internal environment of the protective clothing is always kept in a better state, and the two feet are provided with devices, so that the balance and the stepping comfort level are improved.

As shown in fig. 7, a transparent window 12 is arranged on the face of the protective clothing body 1, a mist scraping device 6 is arranged on the transparent window 12, a magnetic sliding groove 62 is arranged on the upper edge and the lower edge of the transparent window 12, a mist scraping strip 61 is arranged on the inner side of the transparent window, magnetic sliding blocks 611 are fixedly connected to the upper end and the lower end of the mist scraping strip 61, the magnetic sliding blocks 611 are slidably arranged in the magnetic sliding groove 62, a magnetic stirring block 63 corresponding to the magnetic sliding block 62 is arranged on the outer side of the lower portion of the transparent window 12, a neck sleeve 3 is arranged on the outer side of the neck of the protective clothing body 1, the bottom of the neck sleeve 3 is fixedly connected with the protective clothing body 1, a neck sleeve sliding block 31 is arranged on the inner side of the top edge of the neck sleeve 3, a neck sleeve groove 13 is arranged on the outer side of the protective clothing body 1.

The neck is provided with the neck sleeve, when the neck rotates, the bottom of the neck sleeve is fixed with the protective clothing, the top of the neck sleeve is driven to rotate by a certain angle, the neck sleeve drives the magnetic stirring block to move, the mist scraper in the protective clothing is driven to slide in the magnetic sliding groove, and the mist is scraped on the inner surface of the transparent window to eliminate the influence of water mist. Through setting up the neck cover, need not manual stirring magnetism and dial the piece, only need rotate the neck and just can accomplish and scrape the fog action, liberation both hands when need not scrape the fog, with the connecting strip with the neck cover break away from be connected can.