CN214547333U

CN214547333U - Simple positive-pressure ventilation type medical protective clothing

Info

Publication number: CN214547333U
Application number: CN202120676678.7U
Authority: CN
Inventors: 孙济宇; 罗晓庆
Original assignee: Third Affiliated Hospital of Qiqihar Medical University
Current assignee: Third Affiliated Hospital of Qiqihar Medical University
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-02
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a medical protective clothing of simple and easy malleation ventilation formula belongs to protective clothing technical field. The waist position of the protective clothing is sleeved with a waistband, the back of the protective clothing is provided with a waterproof zipper along the spine position, one side of the waterproof zipper is provided with a sealing tape, the sealing tape seals the waterproof zipper through the sealing tape, a cap body with a brim is lined inside the head cover of the protective clothing, an eye window is arranged at the protective clothing below the brim, a thin semi-hard transparent plate integrally connected with the protective clothing is arranged at the eye window, the plate body is connected with the outer edge of the brim, the head cover under the eyewindow is provided with an air guide pipe interface communicated with the interior of the eyewindow, the arms and the legs of the protective suit are provided with inner membrane one-way breather valves for discharging the air in the protective suit outside, the waistband is sleeved with an electric blower which is connected with the air guide pipe interface through an air guide pipe, the back of the sealing belt is provided with a plurality of catheter belts at equal intervals, and the air guide pipe is fixed through the catheter belts and is positioned at the spine of the protective clothing, so that the operation of a wearer is not influenced.

Description

Simple positive-pressure ventilation type medical protective clothing

Technical Field

The utility model relates to a medical protective clothing of simple and easy malleation ventilation formula belongs to protective clothing technical field.

Background

Since this century, from ebola virus in africa, middle east respiratory syndrome in the middle east region to SARS in 2003 and cove-19 virus starting at the end of 2019, many outbreaks of virulent infectious diseases have occurred worldwide, and pathogenic microorganisms with high infectivity and fatality pose serious threats to the life health of medical staff, police staff and logistics support staff in the disposal of the outbreaks, and have raised strict requirements on personal protection equipment of the above-mentioned personnel. However, most of the existing solutions are split type protection methods, respiratory protection relies on a mask or a filtering mask, the face splash prevention protection relies on a simple protective face screen, the protection of the rest parts of the body relies on a one-piece protective garment, due to the adoption of split type protection, the joint of various protective devices inevitably has gaps to influence the protection effect, (for example, when a medical protective mask is required to ensure good fit and sealing with the face skin, the pulling force of a mask head band or an ear band has to be increased, the edge of the mask is tightly pressed on the face skin, the wearing experience is very uncomfortable and even causes skin pressure sore), most of protective garments are made of non-woven fabrics due to cost consideration, in order to meet the anti-seepage performance, an anti-seepage glue layer is coated inside, the self air permeability is very poor, and water vapor evaporated on the body surface is accumulated in the protective garment and is difficult to discharge after long-time wearing, the poor comfort of the damp and stuffy feeling seriously consumes the physical strength and energy of the user. The whole body protection equipment with light weight, sealing performance and comfort is urgently needed at the first line of epidemic prevention work.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies existing in the prior art, the utility model provides a medical protective clothing of simple and easy malleation ventilation formula, low cost has head and face portion protection and health safeguard function concurrently, and the leakproofness is good, satisfies the requirement that the user breathes and discharge the interior humid steam of protective clothing, improves under the prerequisite that satisfies the security and dresses the travelling comfort, for the user creates safe comfortable operating condition, lets them practice thrift physical power and energy and drop into this work better.

The utility model provides a technical scheme that its technical problem adopted is: a simple positive pressure ventilation type medical protective clothing comprises a protective clothing, a brim, an eye window, a sealing belt, a waterproof zipper, a sealing belt, an inner membrane one-way breather valve, a sleeve belt, an air guide pipe connector, an electric blower, an air guide pipe, a guide pipe binding belt and a waistband, wherein the protective clothing is provided with an integrated headgear, a waist position of the protective clothing is provided with a circle of a plurality of sleeve belts, the waistband is fixed on the protective clothing after penetrating through the sleeve belts, the back of the protective clothing is provided with a waterproof zipper along the spinal column position, one side of the waterproof zipper is provided with the sealing belt fixedly connected with the protective clothing, the length of the sealing belt is longer than that of the waterproof zipper, the sealing belt is arranged around the sealing belt, the protective clothing at the other side of the waterproof zipper is also provided with the sealing belt, after the sealing belt buckles the waterproof zipper, the waterproof zipper is sealed by mutually sticking the two sealing belts, the sealing belt is sticky and can block water vapor, wherein a cap with a normal structure of a cap is lined on the inside the headgear, the front end of the hat is provided with a brim which is slightly shorter and wider than the traditional hat shade, the hat brim is supported by a hat body of a lining, the front end of the hat brim supports the protective clothing to enable the front end of the protective clothing to be suspended with a certain distance from the face of a user, an eye window is arranged at the protective clothing position below the hat brim, a thin-layer semi-hard transparent plate which is integrally connected with the protective clothing is arranged at the eye window, a plate body is consistent with the radian of the hat brim and is connected with the outer edge of the hat brim, the hat brim is used as a support to provide a large-visual-field transparent protective barrier for a wearer, a wind guide pipe interface which is communicated with the inside of the protective clothing is arranged at a head sleeve of the protective clothing below the eye window, inner membrane one-way breather valves which discharges the gas inside of the protective clothing outside are arranged at the arms and the legs of the protective clothing, an electric blower is sleeved on a waistband and connected with the wind guide pipe interface, a plurality of equally-spaced pipe bridles are arranged at the back of the sealing band, and the wind guide pipe is fixed by the pipe bridles, is positioned at the spine of the protective clothing, and does not influence the operation of the wearer.

Further, the electric blower consists of a blower barrel, a battery barrel, a slot, a belt sleeve, a blower cover, a blowing interface, an electric quantity indicator lamp, a switch, a charging joint, a motor electric copper sheet, a plugboard, a lithium battery electric copper sheet, a fixed plate, a centrifugal fan, a screen plate, a cotton filter sheet, a cotton filter pressing ring, a lithium battery and a rechargeable battery driving plate, wherein the right end of the blower barrel is not provided with a sealing cover, the left end of the blower barrel is provided with the slot, the left end of the blower barrel is provided with the battery barrel which is fixed after being inserted into the slot through the plugboard, the side wall of the blower barrel is provided with the belt sleeve which is fixedly connected with the blower barrel, the belt sleeve can be sleeved on the belt, the leftmost part of the blower barrel is a high-pressure air chamber, the right side of the blower barrel is provided with the fixed plate, the right side of the fixed plate is provided with the centrifugal fan, the right side of an impeller at the end part of the centrifugal fan is provided with a retaining ring which is provided with the screen plate, and the replaceable cotton filter sheet is laid at the position, the right side of the filter cotton sheet is provided with a fan cover which is screwed into the fan barrel through threads and seals the fan barrel, the outer surface of the rightmost end of the fan barrel is provided with external threads matched with the internal threads of the fan cover, the end surface of the fan cover is provided with a plurality of breathable belts, a filter cotton compression ring is arranged between the fan cover and the filter cotton sheet, the filter cotton compression ring 1018 and the fan cover 105 can slide, the side edge of the fan barrel is provided with an air supply interface communicated with the inside of the fan barrel, the air supply interface is positioned at the top of a high-pressure air chamber on the left side of the impeller, wherein the centrifugal fan is connected with a motor power connection copper sheet fixed in a slot through a lead, a lithium power transmission copper sheet in contact with the motor power transmission copper sheet is arranged at the plug board of the battery barrel, the tail end of the lithium power transmission copper sheet is positioned in the battery barrel, a lithium battery and a charging battery driving board connected with the lithium power transmission copper sheet are arranged in the battery barrel, and a charging head extending out from the side wall of the battery barrel is arranged on the charging battery driving board, be equipped with switch and electric quantity pilot lamp on the battery barrel lateral wall, lithium cell, switch and electric quantity pilot lamp all are connected with rechargeable battery drive plate through the wire.

Furthermore, the air guide pipe consists of a hose, an inner sleeve, an outer sleeve, a rubber pad, a sealing ring, a spacer ring, a one-way valve block, a slide rod and a limit head, the inner sleeve is sleeved at both ends of the hose, the outer sleeve is sleeved at the end part of the inner sleeve, a convex ring for preventing the outer sleeve from slipping is arranged at the end part of the inner sleeve, the rubber pad is arranged between the convex ring and the outer sleeve, the inner wall of the outer sleeve is provided with internal threads screwed in the air guide pipe interface and the air supply interface, the sealing ring is arranged at the end part of the inner sleeve in the outer sleeve, wherein the spacer ring is fixedly connected inside the inner sleeve connected with one side of the protective clothing, the inner diameter of the spacer ring is slightly smaller than that of the inner sleeve, the one-way valve block with the inner diameter larger than that of the inner sleeve is arranged outside the spacer ring, the slide rod is fixedly connected on the inner end surface of the one-way valve block, the limit head is fixedly connected with the limit head, and the limit head is provided with the limit rod for preventing the limit head from slipping outwards, the baffle rod is fixedly connected with the inner wall of the inner sleeve, air enters the spacer ring from the side edge of the baffle rod and is sent out from a gap between the one-way valve block and the inner wall of the inner sleeve, and when the air flows back outside the inner sleeve, the air impacts the one-way valve block to enable the one-way valve block to seal the spacer ring and prevent the air from leaking.

Furthermore, the protective clothing is made of non-woven fabrics.

Furthermore, the inner membrane one-way breather valve is of a hard hollow short pipe-shaped structure, the side wall of the inner membrane one-way breather valve is in sealing connection with the protective clothing, the middle part of the inner membrane one-way breather valve is of a valve plate body structure capable of exhausting air outwards in a one-way mode, and filter cotton is arranged at the free end of the inner membrane one-way breather valve.

Furthermore, the waistband is a common belt or a rope belt and is mainly used for bearing the electric blower.

Furthermore, the sealing tape is used for protecting the waterproof zipper in two layers, so that pathogenic microorganisms can be prevented from directly being infected on the waterproof zipper. The user need come out from waterproof zip fastener when taking off protective clothing, and this in-process is most likely to touch waterproof zip fastener surface, if waterproof zip fastener surface is contaminated then probably cause the user direct contact pathogen to infect, and the tape size is wide big, can shelter from waterproof zip fastener peripheral radius after the tape is pasted and be greater than 10cm, makes it form a clean contamination free area around waterproof zip fastener, prevents that the user from touching near the zip fastener and being infected when drilling out from the protective clothing inside.

The utility model has the advantages that: the utility model provides a medical protective clothing of disjunctor malleation ventilation formula prevention of seepage of low cost, have head and face protection and health safeguard function concurrently, the few leakproofness in gap is good, do not produce direct oppression to facial skin, use special filtration formula electric blower, filter external air in the protective clothing and at the inside natural circulation of protective clothing in the pressurization is sent into through removable filter pulp, discharge through the one-way discharge valve that is located four limbs end at last, satisfy the requirement that the user breathes and discharges the interior damp steam of protective clothing simultaneously, improve the travelling comfort of dressing under the prerequisite that satisfies the security, create safe comfortable operating condition for the user, let them practice thrift energy and put into the work of this job better. The electric air blower and the air guide pipe can be conveniently detached for sterilization and can be reused after filter cotton is replaced by threaded connection after being used each time, and the main body part of the protective clothing has no high-value parts and is low in cost, disposable and disposable. The economic burden is small when the product is used for a long time.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the protective clothing of the present invention.

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

Fig. 4 is a schematic structural view of the electric blower of the present invention.

Fig. 5 is a schematic structural view of the electric blower of the present invention.

Fig. 6 is a sectional view of the electric blower according to the present invention.

Fig. 7 is a partial structural sectional view of the electric blower of the present invention.

Reference numbers in the figures:

1. protective clothing, 2, a brim, 3, an eye window, 4, a sealing belt, 5, a waterproof zipper, 6, a sealing belt, 7, an inner membrane one-way breather valve, 8, a sleeve belt, 9, an air guide pipe interface, 10, an electric blower, 11, an air guide pipe, 12, a guide pipe belt, 13, a waistband, 101, a fan cylinder, 102, a battery cylinder, 103, a slot, 104, a waistband sleeve, 105, a fan cover, 106, an air supply interface, 107, an electricity indicator lamp, 108, a switch, 109, a charging connector, 1010, a motor electric copper sheet, 1011, a plug board, 1012, a lithium electric copper sheet, 1013, a fixing plate, 1014, a centrifugal fan, 1015, an impeller, 1016, a screen board, 1017, a cotton filter sheet, 1018, a cotton filter pressing ring, 1019, a lithium battery, 1020, a charging battery driving board, a hose, 1102, an inner sleeve, 1103, an outer sleeve, 1104, a rubber pad, 1105, a sealing ring, 1106, a spacer ring, 1107 and a one-way valve sheet, 1108. a sliding rod, 1109 and a limiting head.

Detailed Description

As shown in figures 1-7, a simple positive pressure ventilation type medical protective clothing comprises a protective clothing 1, a brim 2, an eye window 3, a sealing tape 4, a waterproof zipper 5, a sealing tape 6, an inner membrane one-way breather valve 7, a sleeve tape 8, an air guide pipe interface 9, an electric blower 10, an air guide pipe 11, a guide pipe strap 12 and a waistband 13, wherein the protective clothing 1 is provided with an integrated headgear, a circle of a plurality of sleeve tapes 8 are arranged at the waist position of the protective clothing 1, the waistband 13 is fixed on the protective clothing 1 after penetrating through each sleeve tape 8, a waterproof zipper 5 is arranged at the back of the protective clothing 1 along the spinal column position, one side of the waterproof zipper 5 is provided with the sealing tape 4 fixedly connected with the protective clothing 1, the length of the sealing tape 4 is longer than that of the waterproof zipper 5, the sealing tape 6 is arranged around the sealing tape 4, the sealing tape 6 is also arranged on the protective clothing 1 at the other side of the waterproof zipper 5, the waterproof zipper 5 is stuck with the two sealing tapes 6 to seal the waterproof zipper 5, the sealing belt 6 is an adhesive belt body which can block water vapor, wherein a cloth cap with a normal structure is lined in the head cover, the front end of the cap is provided with a brim 2 which is slightly shorter and wider than the traditional cap, the cap brim 2 is supported by the cap body of the lining, the brim 2 supports the protective suit 1 to lead the front end thereof to be suspended with a certain distance with the face of a user, the protective suit 1 below the brim 2 is provided with an eye window 3, the eye window 3 is provided with a thin semi-hard transparent plate which is integrally connected with the protective suit 1, the plate body is consistent with the radian of the brim 2 and is connected with the outer edge of the brim 2, the brim 2 is used as a support to provide a large-view transparent protective barrier for a wearer, the head cover of the protective suit 1 below the eye window 3 is provided with a wind guide pipe interface 9 communicated with the interior thereof, the arm part and the shank part of the protective suit 1 are provided with an inner membrane one-way breather valve 7 for discharging gas inside, the waistband 13 is sleeved with an electric blower 10, the electric blower 10 is connected with an air guide pipe interface 9 through an air guide pipe 11, the back of the sealing belt 4 is provided with a plurality of equally spaced guide pipe belts 12, and the air guide pipe 11 is fixed through the guide pipe belts 12 and is positioned at the spinal column of the protective clothing 1, so that the operation of a wearer is not influenced.

Further, the electric blower 10 is composed of a fan cylinder 101, a battery cylinder 102, a slot 103, a belt sleeve 104, a fan cover 105, an air supply interface 106, an electric quantity indicator light 107, a switch 108, a charging connector 109, a motor power connection copper sheet 1010, a plug board 1011, a lithium battery power transmission copper sheet 1012, a fixing plate 1013, a centrifugal fan 1014, a screen 1016, a filter cotton sheet 1017, a filter cotton clamp ring 1018, a lithium battery 1019 and a charging battery drive plate 1020, the right end of the fan cylinder 101 is not provided with a sealing cover, the left end of the fan cylinder 101 is provided with the slot 103, the left end of the fan cylinder 101 is provided with the battery cylinder 102 which is inserted into the slot 103 through the plug board 1011 and fixed, the side wall of the fan cylinder 101 is provided with the belt sleeve 104 which is fixedly connected with the fan cylinder 101, the belt sleeve 104 can be sleeved on the belt 13, the leftmost part of the fan cylinder is a high-pressure air chamber, the fixing plate 1013 is arranged in the fan cylinder 101 on the right side, the centrifugal fan cylinder 1014 is arranged on the right side of the fixing plate 1013, and the air guide duct 11 is longer in size, the wind resistance is large, the wind pressure of the traditional axial flow fan is low, the wind pressure of the centrifugal fan 1014 is relatively large and can be used satisfactorily, the right side of an impeller 1015 at the end part of the centrifugal fan 1014 is provided with a retainer ring fixedly connected with the inner wall of a fan cylinder 101, the right side of the retainer ring is provided with a screen plate 1016, the screen plate 1016 is paved with a replaceable filter cotton sheet 1017, the right side of the filter cotton sheet 1017 is provided with a fan cover 105 screwed into the fan cylinder 101 and sealing the fan cylinder 101, the outer surface of the rightmost end of the fan cylinder 101 is provided with external threads matched with the internal threads of the fan cover 105, the end surface of the fan cover 105 is provided with a plurality of breathable belts, a filter cotton pressing ring 1018 is arranged between the fan cover 105 and the filter cotton sheet 1017, the filter cotton pressing ring 1018 and the fan cover 105 can slide, the side of the fan cylinder 101 is provided with an air supply interface 106 communicated with the inside of the fan cylinder 1015, the air supply interface 106 is positioned at the top of a high-pressure air chamber at the left side of the impeller 1015, the diameter of the impeller 1015 is smaller than the inner diameter of the fan cylinder 101, so that the high-pressure air flow at the edge of the impeller 1015 can flow to the rear high-pressure air chamber from the gap between the impeller 1015 and the fan barrel 101, and the retainer ring plays a role in blocking the high-pressure air from flowing back and supporting the screen 1016, wherein the centrifugal fan 1014 is connected with the motor power connection copper sheet 1010 fixed in the slot 103 through a wire, a lithium power transmission copper sheet 1012 in contact with the motor power connection copper sheet 1010 is arranged at the plug board 1011 of the battery barrel 102, the tail end of the lithium power transmission copper sheet 1012 is positioned in the battery barrel 102, a lithium battery 1019 and a charging battery drive board 1020 connected with the lithium power transmission copper sheet 1012 are arranged in the battery barrel 102, a charging connector 109 extending out from the side wall of the battery barrel 102 is arranged on the charging battery drive board 1020, a switch 108 and an electric quantity indicator lamp 107 are arranged on the side wall of the battery barrel 102, and the lithium battery 1019, the switch 108 and the electric quantity indicator lamp 107 are all connected with the charging battery drive board 1020 through wires.

Further, the air duct 11 is composed of a hose 1101, an inner sleeve 1102, an outer sleeve 1103, a rubber pad 1104, a sealing ring 1105, a spacer ring 1106, a one-way valve sheet 1107, a sliding rod 1108 and a limiting head 1109, the inner sleeve 1102 is sleeved at both ends of the hose 1101, the outer sleeve 1103 is sleeved at the end of the inner sleeve 1102, a convex ring for preventing the outer sleeve 1103 from slipping is arranged at the end of the inner sleeve 1102, the rubber pad 1104 is arranged between the convex ring and the outer sleeve 1103, the inner wall of the outer sleeve 1103 is provided with an internal thread screwed into the air duct connector 9 and the air supply connector 106, the sealing ring 1105 is arranged at the end of the inner sleeve 1102 in the outer sleeve 1103, wherein the spacer ring 1106 is fixedly connected inside the inner sleeve 1102 connected to one side of the protective clothing, the inner diameter of the spacer ring 1106 is slightly smaller than the inner diameter of the inner sleeve 1102, the one-way valve sheet 1107 is arranged outside the spacer ring 1106 and is larger than the inner diameter of the inner sleeve 1102, the sliding rod 1108 is fixedly connected to the inner end surface of the one-way valve sheet 1107, the end of the sliding rod 1108 is fixedly connected with a limiting head 1109, a blocking rod for blocking the limiting head 1109 from slipping outwards is arranged between the limiting head 1109 and the spacer ring 1106, the blocking rod is fixedly connected with the inner wall of the inner sleeve 1102, air enters the spacer ring 1106 from the side edge of the blocking rod and is sent out from a gap between the one-way valve sheet 1107 and the inner wall of the inner sleeve 1102, and when the air on the outer side of the inner sleeve 1102 flows back, the one-way valve sheet 1107 is impacted to seal the spacer ring 1106 and block the air from leaking outwards.

Further, the protective suit 1 is made of non-woven fabrics.

Furthermore, the inner membrane one-way breather valve 7 is a hard hollow short pipe-shaped structure, the side wall of the inner membrane one-way breather valve is hermetically connected with the protective clothing 1, the middle part of the inner membrane one-way breather valve is of a valve plate body structure which can exhaust air outwards in a one-way mode, and the free end of the inner membrane one-way breather valve is provided with filter cotton.

Further, the belt 13 is a common belt or a rope belt, and is mainly used for carrying the electric blower 10.

Furthermore, the sealing tape 4 is used for protecting the waterproof zipper 5 at two layers, so that pathogenic microorganisms can be prevented from directly being infected on the waterproof zipper 5. The user need come out from waterproof zip fastener 5 when taking off protective clothing 1, and this in-process is most likely to touch waterproof zip fastener 5 surface, if the waterproof zip fastener 5 surface is contaminated then probably cause the user to directly contact the pathogen infection, and the tape 4 size is wide, can shelter from waterproof zip fastener 5 peripheral radius after the tape 4 pastes and be greater than 10cm, makes it form a clean contamination free area around waterproof zip fastener 5, prevents that the user from touching near the zip fastener and being infected when drilling out from the protective clothing inside.

Claims

1. A simple positive pressure ventilation type medical protective clothing comprises a protective clothing (1), a brim (2), an eye window (3), a sealing belt (4), a waterproof zipper (5), a sealing belt (6), an inner membrane one-way breather valve (7), a sleeve belt (8), an air guide pipe interface (9), an electric air blower (10), an air guide pipe (11), a guide pipe belt (12) and a waistband (13), wherein the protective clothing (1) is provided with an integrated headgear, a circle of a plurality of sleeve belts (8) are arranged at the waist position of the protective clothing (1), the waistband (13) is fixed on the protective clothing (1) after penetrating through each sleeve belt (8), the back of the protective clothing (1) is provided with the waterproof zipper (5) along the spinal column position, one side of the waterproof zipper (5) is provided with the sealing belt (4) fixedly connected with the protective clothing (1), the length of the sealing belt (4) is longer than that of the waterproof zipper (5), the sealing belt (6) is arranged around the sealing belt (4), be equipped with sealing strip (6) on the protective clothing (1) of waterproof zip fastener (5) opposite side equally, after waterproof zip fastener (5) were buckled in sealing strip (4), it is sealed with waterproof zip fastener (5) through pasting each other of two sealing strip (6), and sealing strip (6) are the sticky tape body, can separate steam, its characterized in that: the cap with a normal structure is lined with a cloth cap inside a head cover, the front end of the cap is provided with a brim (2) which is slightly shorter and wider than the traditional cap, the cap body of the inner liner supports the brim (2), the brim (2) supports the protective clothing (1) to lead the front end thereof to be suspended with the face of a user for a certain distance, the protective clothing (1) below the brim (2) is provided with an eye window (3), the eye window (3) is provided with a thin semi-hard transparent plate which is integrally connected with the protective clothing (1), the plate body has the same radian with the brim (2) and is connected with the outer edge of the brim (2), the brim (2) is used as a support to provide a large-view transparent protective barrier for a wearer, the head cover of the protective clothing (1) below the eye window (3) is provided with an air guide pipe interface (9) communicated with the inside thereof, and the arms and the shank of the protective clothing (1) are provided with one-way breather valves (7) for guiding the air inside, an electric blower (10) is sleeved on the waistband (13), the electric blower (10) is connected with an air guide pipe connector (9) through an air guide pipe (11), a plurality of equally spaced guide pipe bridles (12) are arranged on the back of the sealing belt (4), and the air guide pipe (11) is fixed through the guide pipe bridles (12) and is positioned at the spinal column of the protective clothing (1).

2. The simple positive pressure ventilation type medical protective clothing as claimed in claim 1, wherein: the electric blower (10) consists of a blower barrel (101), a battery barrel (102), a slot (103), a belt sleeve (104), a blower cover (105), an air supply interface (106), an electric quantity indicator lamp (107), a switch (108), a charging joint (109), a motor electric connection copper sheet (1010), a plug board (1011), a lithium battery electric transmission copper sheet (1012), a fixing plate (1013), a centrifugal blower (1014), a screen board (1016), a cotton filter sheet (1017), a cotton filter pressing ring (1018), a lithium battery (1019) and a charging battery driving board (1020), wherein the right end of the blower barrel (101) is not provided with a sealing cover, the slot (103) is formed in the left end of the blower barrel (101), the battery barrel (102) which is inserted into the slot (103) through the plug board (1011) and then fixed is arranged at the left end of the blower barrel (101), the belt sleeve (104) fixedly connected with the side wall of the blower barrel (101) is arranged, and the belt sleeve (104) can be sleeved on a belt (13), the left-most part of the fan cylinder is a high-pressure air chamber, a fixing plate (1013) is arranged in the fan cylinder (101) on the right side of the fan cylinder, a centrifugal fan (1014) is arranged on the right side of the fixing plate (1013), a retainer ring fixedly connected with the inner wall of the fan cylinder (101) is arranged on the right side of an impeller (1015) at the end part of the centrifugal fan (1014), a screen plate (1016) is arranged on the right side of the retainer ring, a replaceable cotton filter sheet (1017) is laid at the screen plate (1016), a fan cover (105) screwed into the fan cylinder (101) and sealing the fan cover (101) is arranged on the right side of the fan cylinder (101), external threads matched with internal threads of the fan cover (105) are arranged on the outer surface of the right-most end part of the fan cylinder (101), a plurality of breathable belts are arranged on the end face of the fan cover (105), a cotton filter pressing ring (1018) is arranged between the fan cover (105) and the cotton filter sheet (1017), the cotton pressing ring (1018) is slidable between the fan cover (105), an air supply interface (106) which is communicated with the inside is arranged on the side of the fan cylinder (101), the air supply interface (106) is positioned at the top of the high-pressure air chamber at the left side of the impeller (1015), wherein the centrifugal fan (1014) is connected with a motor electric copper sheet (1010) fixed in the slot (103) through a lead, be equipped with lithium electricity transmission copper sheet (1012) that connects electric copper sheet (1010) contact with the motor in picture peg (1011) department of battery jar (102), lithium electricity transmission copper sheet (1012) tail end is located battery jar (102), be equipped with rechargeable battery drive plate (1020) that lithium cell (1019) and be connected with lithium electricity transmission copper sheet (1012) in battery jar (102), be equipped with on rechargeable battery drive plate (1020) from the joint (109) that charges that battery jar (102) lateral wall stretches out, be equipped with switch (108) and electric quantity pilot lamp (107) on battery jar (102) lateral wall, lithium cell (1019), switch (108) and electric quantity pilot lamp (107) all are connected with rechargeable battery drive plate (1020) through the wire.

3. The simple positive pressure ventilation type medical protective clothing as claimed in claim 1, wherein: the air duct (11) consists of a hose (1101), an inner sleeve (1102), an outer sleeve (1103), a rubber gasket (1104), a sealing ring (1105), a spacer ring (1106), a one-way valve sheet (1107), a sliding rod (1108) and a limiting head (1109), wherein the inner sleeve (1102) is sleeved at both ends of the hose (1101), the outer sleeve (1103) is sleeved at the end of the inner sleeve (1102), a convex ring for preventing the outer sleeve (1103) from slipping is arranged at the end of the inner sleeve (1102), the rubber gasket (1104) is arranged between the convex ring and the outer sleeve (1103), internal threads screwed into the air guide pipe connector (9) and the air supply connector (106) are arranged on the inner wall of the outer sleeve (1103) and are arranged at the end of the inner sleeve (1102) in the outer sleeve (1103), the spacer ring (1106) is fixedly connected inside the inner sleeve (1102) at one side of the protective clothing, and the inner diameter of the spacer ring (1106) is slightly smaller than that of the inner sleeve (1102), the outer side of the spacer ring (1106) is provided with a one-way valve plate (1107) of which the inner diameter is larger than that of the inner sleeve (1102), the inner end surface of the one-way valve plate (1107) is fixedly connected with a slide rod (1108), the end part of the slide rod (1108) is fixedly connected with a limiting head (1109), a stop lever for stopping the limiting head (1109) from slipping outwards is arranged between the limiting head (1109) and the spacer ring (1106), and the stop lever is fixedly connected with the inner wall of the inner sleeve (1102).

4. The simple positive pressure ventilation type medical protective clothing as claimed in claim 1, wherein: the protective clothing (1) is made of non-woven fabrics.

5. The simple positive pressure ventilation type medical protective clothing as claimed in claim 1, wherein: the inner membrane one-way breather valve (7) is of a hard hollow short pipe-shaped structure, the side wall of the inner membrane one-way breather valve is hermetically connected with the protective clothing (1), the middle part of the inner membrane one-way breather valve is of a valve plate body structure which can exhaust air outwards in a one-way mode, and filter cotton is arranged at the free end of the inner membrane one-way breather valve.

6. The simple positive pressure ventilation type medical protective clothing as claimed in claim 1, wherein: the waist belt (13) is a common belt or a rope belt and is mainly used for bearing the electric blower (10).

7. The simple positive pressure ventilation type medical protective clothing as claimed in claim 1, wherein: the sealing tape (4) is used for protecting the two layers of the waterproof zipper (5), the sealing tape (4) is large in size, and the sealing tape (4) can shield the periphery of the waterproof zipper (5) to be larger than 10cm after being pasted, so that a clean contamination-free area is formed around the waterproof zipper (5).