CN111407030A

CN111407030A - Air automatic update filters isolation protective clothing

Info

Publication number: CN111407030A
Application number: CN202010332942.5A
Authority: CN
Inventors: 张仁利; 蔡汉锦; 潘李兴; 刘浩铭; 夏俊杰
Original assignee: Shenzhen Sanma Electrical Appliances Co ltd
Current assignee: Shenzhen Sanma Electrical Appliances Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-07-14

Abstract

The invention discloses an automatic air updating, filtering and isolating protective garment, and relates to the technical field of protective garment devices. The helmet comprises a helmet and a protective cover garment which are arranged in a split mode, a fixing ring is arranged between the helmet and the protective cover garment, the lower end of the helmet is connected with the upper end of the fixing ring, a neck opening is formed in the upper end of the protective cover garment, the neck opening is sleeved on the outer wall of the lower end of the fixing ring, air inlet holes and air outlet holes are formed in the fixing ring in parallel, the air inlet holes and the air outlet holes penetrate through the side wall of the fixing ring and the outer wall of the lower end of the fixing ring, the air inlet holes are connected. Air entering and exiting the helmet and the protective gown is strictly filtered by the first filter device and the second filter device.

Description

Air automatic update filters isolation protective clothing

Technical Field

The invention relates to the technical field of protective clothing devices, in particular to protective clothing with automatic air updating, filtering and isolating functions.

Background

Medical protective clothing refers to protective clothing used by medical staff and people who enter specific medical and health areas (such as patients, hospital visitors, people who enter infected areas, and the like). The function of the dust remover is to isolate germs, harmful ultrafine dust, acid-base solution, electromagnetic radiation and the like, ensure the safety of personnel and keep the environment clean.

The existing medical protective isolation clothes have the problems of difficult wearing and taking off, especially for the virus environment with high risk of infectious gas, the isolation is not reliable, and medical care personnel undertake very large risk. The existing protective clothing has poor air permeability, needs to wear a mask and wear goggles and other equipment, and seriously influences the working efficiency and the correctness and the accuracy of actions.

Therefore, an air automatic-updating filtering and isolating protective garment is urgently needed, which enables medical staff to realize reliable isolation, wide visual field, convenient action and easy taking off and wearing in toxic environment, creates a small comfortable environment such as space suit for the medical staff, and improves the medical treatment efficiency.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the protective clothing with the function of automatically updating, filtering and isolating air, so that the relative isolation of the air inside and outside the protective clothing is realized, and the human body is filtered before being inhaled into the outside air, so that the health of the human body is protected.

The invention specifically adopts the following technical scheme:

the invention relates to an automatic air updating, filtering and isolating protective garment which comprises a helmet and a protective cover garment which are arranged in a split mode, wherein a fixing ring is arranged between the helmet and the protective cover garment, the lower end of the helmet is connected with the upper end of the fixing ring, the upper end of the protective cover garment is provided with a neck opening, the neck opening is sleeved on the outer wall of the lower end of the fixing ring, the fixing ring is provided with air inlet holes and air outlet holes in parallel, the air inlet holes and the air outlet holes penetrate through the side wall and the outer wall of the lower end of the fixing ring, the air inlet holes are connected.

The present invention is further preferably: the air inlet system comprises an air inlet pipe, an air inlet pump, a first transfer box and a first filtering device, wherein the first transfer box is arranged in the protective cover, the first filtering device is arranged in the first transfer box and divides the first transfer box into a first air inlet cavity and a first air outlet cavity, the air inlet pump is arranged in the first air outlet cavity, an air outlet of the air inlet pump is communicated with the interior of the protective cover, and the first air inlet cavity is communicated with the air inlet hole through the air inlet pipe.

The present invention is further preferably: first air guide hole has still been seted up to the retainer plate, and first air guide hole runs through the inside wall and the lower extreme outer wall of retainer plate, and first air guide hole is connected with first air duct, the other end and the air inlet pump interconnect of first air duct.

The present invention is further preferably: first filter equipment includes installing frame, PM2.0 filter layer and active carbon filter layer, the overall dimension of installing frame and the mutual adaptation of inner wall of first transfer case, PM2.0 filter layer and active carbon filter layer are installed in the installing frame in proper order. The PM2.0 filter layer and the activated carbon filter layer are not compact, air can penetrate through the PM2.0 filter layer and the activated carbon filter layer, the filter grade of the filter layer can be customized according to actual conditions, and dust viruses and the like in the air can be adsorbed by the PM2.0 filter layer and the activated carbon layer.

The present invention is further preferably: the air outlet system comprises an air outlet pipe, an air outlet pump, a second transfer box and a second filtering device, the second transfer box is arranged in the protective cover garment, the second filtering device is arranged in the second transfer box and divides the second transfer box into a second air inlet cavity and a second air outlet cavity, the air outlet pump is arranged in the second air outlet cavity, an air outlet of the air outlet pump is communicated with an air outlet hole through the air outlet pipe, and a through hole communicated with the protective cover garment is formed in the side wall of the second air outlet cavity. The structure of the second filter device is identical to that of the first filter device.

The present invention is further preferably: a plurality of second air guide holes are further formed in the fixing ring, the second air guide holes penetrate through the inner side wall and the lower end outer wall of the fixing ring, second air guide holes are connected with second air guide pipes, and the second air guide pipes are communicated with the second air outlet cavity.

The present invention is further preferably: the upper end inside wall of retainer plate is provided with annular location step, the top circle circumferencial direction interval of location step is provided with a plurality of location strip, form the constant head tank between location strip and the location step, the lower extreme lateral wall of helmet is provided with a plurality of spacing along the circumferencial direction interval, the height of spacing and the high mutual adaptation of constant head tank, the length of spacing is less than the interval of adjacent location strip, be provided with annular first sealed rubber ring in the constant head tank, first sealed rubber ring is located between spacing and the location step.

The present invention is further preferably: the lower extreme outer wall of retainer plate is provided with the holding ring, annular standing groove has been seted up to the upper end of holding ring, the lateral wall inward buckling of standing groove forms spacing snap ring, be provided with the dustcoat clamping ring in the standing groove, the annular recess has been seted up to the upper end of carrying the dustcoat clamping ring, the dustcoat clamping ring is provided with a plurality of elasticity locating parts, the lateral wall interval of recess is equipped with logical groove, two parts that lead to between the groove are elastic locating part, elastic locating part's outer wall is provided with the baffle that is located spacing snap ring lower extreme, the lower extreme width of dustcoat clamping ring reduces gradually, be provided with the second packing ring in the standing groove, the second packing ring is located between the inner wall of dustcoat.

The present invention is further preferably: the fixed ring is provided with an outer microphone, an outer speaker, an inner microphone and an inner loudspeaker.

The present invention is further preferably: the fixing ring is provided with a mounting hole for mounting the stethoscope in a penetrating manner.

The invention has the beneficial effects that:

1. the helmet and the protective dustcoat are designed in a split mode, the helmet is connected with the protective dustcoat through the fixing ring, the fixing ring is detachably connected with the helmet and the protective dustcoat, and the helmet and the protective dustcoat are convenient to detach and mount and convenient to wear. The protective outer garment comprises a main body and four limbs which are connected in a closed mode, the main body is further provided with an airtight zipper, a user can conveniently wear the protective outer garment, relative isolation of the interior of the protective outer garment is guaranteed, and the helmet and the protective outer garment form a cavity communicated with each other. An air inlet hole and an air outlet hole are formed in the fixing ring, and the air inlet hole and the air outlet hole are respectively connected with an air inlet system and an air outlet system. Realize the inside gaseous change of protective dustcoat through air intake system and air outlet system, air intake system and air outlet system are provided with the first filtration and the second filter equipment of filtering usefulness respectively, effectively avoid the human direct harmful air that inhales. The helmet is made of transparent materials, the transparent materials are one of polyvinyl chloride plastics, rubber or organic glass, and further preferably, anti-fogging coating processing can be carried out inside the helmet; the user does not need to additionally wear equipment such as a mask and goggles, discomfort caused by wearing the mask and the goggles is reduced, and the visual field of the user is wide.

2. An air intake system: the air inlet hole runs through the outer wall and the lower extreme outer wall of retainer plate, and the lower extreme outer wall at the retainer plate is established to the last pot head of protective cover clothing, and the one end that the air inlet hole is located the retainer plate outer wall is located the protective cover clothing promptly, and the one end that the air inlet hole is located the retainer plate lower extreme outer wall is located the protective cover clothing, and the inside and outside intercommunication of fixed cover clothing has been realized to the air inlet hole. Be provided with first transfer case in the protective cover clothing, first filter equipment divides first transfer incasement into first air inlet chamber and first air outlet chamber, and the air inlet pump is located the first intracavity of giving vent to anger, and first air inlet chamber communicates each other with the inlet port through intake pipe. When the air inlet pump works, air outside the protective cover garment enters the first air inlet cavity through the air inlet hole, then enters the first air outlet cavity through the first filtering, and is discharged into the protective cover garment through the first air outlet cavity for human breathing. It should be noted that the first transfer box and the second transfer box can be provided with straps, and when the protective clothing is worn by a human body, the shoulders of the human body bear the gravity of the first transfer box and the second transfer box. Set up first inlet port at the retainer plate outer wall, first inlet port and intake air pump intercommunication each other guarantee that gaseous direct transport people's mouth nose department when entering into the protective cover clothing reduces the elegant time of air, avoids human oxygen deficiency discomfort.

3. The air outlet system is similar to the air inlet system. The difference lies in that the air outlet hole is directly communicated with the air outlet pump through the air outlet pipe, and the air in the protective cover garment enters the second air inlet cavity through the second air guide hole, then enters the second air outlet cavity and is discharged out of the protective cover garment through the air outlet pump. The air inlet system and the air outlet system are provided with flow control systems, so that the air pressure in the protective clothing is approximately equal to the external air pressure, people can breathe normally and freely in the protective clothing, or the air flow of the air inlet pressure and the air outlet pressure is regulated and controlled according to requirements, and the control systems have abnormal alarm functions of faults, undersize air flow and the like. The dust particles, bacteria, viruses and the like of the air can be effectively filtered through the air inlet system and the air outlet system.

4. The connection of retainer plate and helmet: set up the location step at the inside wall of retainer plate, among the helmet installation, spacing on the helmet is located between the adjacent location strip of retainer plate, and spacing enters into the constant head tank behind the strip through adjacent location, then rotates the helmet, makes spacing relative positioning strip rotate, and spacing rotates the lower extreme of location strip, and the location strip plays spacing fixed effect to spacing. Be provided with first joint strip in the constant head tank, first joint strip is located between location step and the helmet lower extreme outer wall, plays inclosed effect, guarantees the seal of retainer plate and helmet installation. The helmet and the fixing strip are convenient and quick to install.

5. The retainer plate is connected with the protective overcoat: retainer plate and holding ring integrated into one piece, annular standing groove is seted up to the holding ring upper end, and the upper end of holding ring inwards buckles and forms spacing snap ring. After the neck opening formed in the upper end of the protective outer garment is sleeved on the outer wall of the lower end of the fixing ring, the outer garment pressing ring is installed in the placing groove, and the lower end of the outer garment pressing ring plays a role in fixing and pressing the protective outer garment. The overclothes clamping ring is provided with elasticity locating part, elasticity locating part is provided with the baffle that is located spacing snap ring lower extreme, annular recess has been seted up to the overclothes clamping ring, make elasticity locating part can remove along the direction that is close to the recess, spacing snap ring can be crossed to elasticity locating part's baffle, after the overclothes clamping ring is installed to the standing groove, baffle and spacing snap ring play limiting displacement, guarantee the wholeness of overclothes clamping ring and retainer plate, avoid the overclothes clamping ring to break away from the retainer plate and lose the fixed action to the protective clothing. The elastic limiting parts are separated from the outer walls of the grooves at the left side and the right side, the lower ends of the elastic limiting parts are still connected with the outer wall of the dustcoat pressing ring, and the elastic limiting parts belong to one part of the outer wall of the dustcoat pressing ring, so that the integration of the elastic limiting parts and the dustcoat pressing ring is ensured, and the elastic limiting parts are effectively prevented from being separated from the dustcoat pressing ring and losing the compression effect on the protective dustcoat. Through set up the sealed rubber ring of second between dustcoat clamping ring and standing groove inner wall, guarantee the leakproofness after the protection dustcoat is installed on the stationary ring. When wearing, wear retainer plate, first transfer case and second transfer case earlier on the back, then wear the protective clothing again, with the protective clothing fixed to the retainer plate on the back, install the helmet again on the retainer plate, dress convenient and fast.

6. The fixed ring is provided with an outer microphone, an outer speaker, an inner microphone and an inner loudspeaker; the speaker can send the speaking of the wearer to the outside, and can hear the sound around the outside, thereby facilitating the barrier-free communication between the wearer and other people.

7. The retainer plate runs through and is provided with the mounting hole that is used for installing the stethoscope, and the medical personnel of being convenient for use the stethoscope, can block up the mounting hole when need not use the stethoscope formula.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the attachment of the retainer ring to the helmet;

FIG. 3 is a schematic view of the connection between the fixing ring and the air inlet system and the air outlet system;

FIG. 4 is a perspective view of FIG. 3;

FIG. 5 is a schematic view of the filter assembly of FIG. 4 with the first and second filter assemblies installed;

FIG. 6 is a schematic cross-sectional view of FIG. 2;

FIG. 7 is an enlarged view of the structure at A in FIG. 6;

FIG. 8 is an enlarged view of the structure at B in FIG. 6;

FIG. 9 is a partial schematic view of an elastic limiting element;

FIG. 10 is a perspective view of the retaining ring;

FIG. 11 is a bottom schematic view of FIG. 10;

FIG. 12 is a schematic cross-sectional view of a first filter device;

in the attached drawings, 1-helmet, 110-spacing strip, 120-first sealing rubber ring, 2-fixing ring, 3-air inlet hole, 4-air inlet system, 410-air inlet pipe, 420-first transfer box, 430-air inlet air pump, 440-first filtering device, 441-first air inlet cavity, 442-first air outlet cavity, 443-mounting frame, 444-PM2.0 filtering layer, 445-activated carbon filtering layer, 5-air outlet hole, 6-air outlet system, 610-air outlet pipe, 620-second transfer box, 630-air outlet air pump, 640-second filtering device, 641-second air inlet cavity, 642-second air outlet cavity, 7-positioning step, 710-positioning strip, 720-positioning groove, 8-cover pressing ring, 810-groove, 820-a second sealing rubber ring, 9-a positioning ring, 910-a placing groove, 920-a limiting snap ring, 10-a protective cover coat, 11-an elastic limiting piece, 12-a baffle, 13-a first air guide hole, 14-a second air guide hole, 15-a first air guide pipe and 16-a second air guide pipe.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

Example 1

The invention relates to an automatic air updating, filtering and isolating protective garment, which comprises a helmet 1 and a protective cover garment 10 which are arranged in a split mode, wherein a fixing ring 2 is arranged between the helmet 1 and the protective cover garment 10, the lower end of the helmet 1 is mutually connected with the upper end of the fixing ring 2, the upper end of the protective cover garment 10 is provided with a neck opening, the neck opening is sleeved on the outer wall of the lower end of the fixing ring 2, the fixing ring 2 is provided with an air inlet hole 3 and an air outlet hole 5 in parallel, the air inlet hole 3 and the air outlet hole 5 penetrate through the side wall and the outer wall of the lower end of the fixing ring 2, the air inlet hole 3 is.

After the technical scheme is adopted: the helmet 1 and the protective overcoat 10 are designed in a split manner, the helmet 1 is connected with the protective overcoat 10 through the fixing ring 2, and the fixing ring 2 is detachably connected with the helmet 1 and the protective overcoat 10, so that the helmet is convenient to detach and mount and convenient to wear. The protective outer garment 10 comprises a main body and four limbs which are connected in a closed mode, the main body is further provided with an airtight zipper, a user can conveniently wear the protective outer garment, relative isolation inside the protective outer garment 10 is guaranteed, and the helmet 1 and the protective outer garment 10 form cavities which are communicated with each other. An air inlet hole 3 and an air outlet hole 5 are formed in the fixing ring 2, and the air inlet hole 3 and the air outlet hole 5 are respectively connected with an air inlet system 4 and an air outlet system 6. The gas inside the protective dustcoat 10 is replaced through the gas inlet system 4 and the gas outlet system 6, the gas inlet system 4 and the gas outlet system 6 are respectively provided with a first filtering device 640 and a second filtering device 640 for filtering, and therefore the situation that a human body directly inhales harmful air is effectively avoided. The helmet 1 is made of a transparent material, the transparent material is one of polyvinyl chloride plastics, rubber or organic glass, and further preferably, the interior of the helmet 1 can be subjected to anti-fogging coating processing; the user does not need to additionally wear equipment such as a mask and goggles, discomfort caused by wearing the mask and the goggles is reduced, and the visual field of the user is wide.

Example 2

The present embodiment is further optimized on the basis of embodiment 1 as follows: the air intake system 4 includes an air intake pipe 410, an air intake pump 430, a first transfer box 420 and a first filtering device 440, the first transfer box 420 is disposed in the protective outer garment 10, the first filtering device 440 is disposed in the first transfer box 420 and divides the first transfer box 420 into a first air intake chamber 441 and a first air outlet chamber 442, the air intake pump 430 is disposed in the first air outlet chamber 442, an air outlet of the air intake pump 430 is communicated with the interior of the protective outer garment 10, and the first air intake chamber 441 is communicated with the air intake hole 3 through the air intake pipe 410. First air guide hole 13 has still been seted up to retainer plate 2, and first air guide hole 13 runs through the inside wall and the lower extreme outer wall of retainer plate 2, and first air guide hole 13 is connected with first air duct 15, and the other end and the air inlet pump 430 interconnect of first air duct 15.

After the technical scheme is adopted: the air intake system 4: the air inlet 3 runs through the outer wall and the lower extreme outer wall of retainer plate 2, and the lower extreme outer wall at retainer plate 2 is established to the last pot head of protective cover clothing 10, and the one end that the air inlet 3 is located the outer wall of retainer plate 2 is located outside protective cover clothing 10 promptly, and the one end that air inlet 3 is located the outer wall of 2 lower extremes of retainer plate is located protective cover clothing 10, and the intercommunication inside and outside the fixed cover clothing has been realized to air inlet 3. A first transfer box 420 is provided in the protective outer garment 10, the first filter device 440 divides the interior of the first transfer box 420 into a first inlet chamber 441 and a first outlet chamber 442, the inlet air pump 430 is located in the first outlet chamber 442, and the first inlet chamber 441 is communicated with the inlet port 3 through the inlet duct 410. When the intake air pump 430 operates, air outside the protective gown 10 enters the first intake chamber 441 through the intake hole 3, then enters the first exhaust chamber 442 through the first filtering, and is discharged into the protective gown 10 through the first exhaust chamber 442 for human breathing. It should be noted that the first transfer box 420 and the second transfer box 620 can be provided with straps, so that the shoulders of the person can bear the weight of the first transfer box 420 and the second transfer box 620 when the person wears the protective clothing. The outer wall of the fixing ring 2 is provided with the first air inlet holes 3, the first air inlet holes 3 are communicated with the air inlet pump 430, gas is directly conveyed to the mouth and nose of a person when entering the protective cover garment 10, the air flowing time is shortened, and the discomfort of oxygen deficiency of the human body is avoided.

Example 3

The present embodiment is further optimized on the basis of embodiment 1 as follows: the air outlet system 6 comprises an air outlet pipe 610, an air outlet pump 630, a second transfer box 620 and a second filtering device 640, the second transfer box 620 is arranged in the protective cover 10, the second filtering device 640 is arranged in the second transfer box 620 and divides the second transfer box 620 into a second air inlet cavity 641 and a second air outlet cavity 642, the air outlet pump 630 is arranged in the second air outlet cavity 642, an air outlet of the air outlet pump 630 is communicated with the air outlet 5 through the air outlet pipe 610, and a through hole communicated with the protective cover 10 is formed in the side wall of the second air outlet cavity 642. A plurality of second air guide holes 14 are further formed in the fixing ring 2, the second air guide holes 14 penetrate through the inner side wall and the lower end outer wall of the fixing ring 2, the second air guide holes 14 are connected with second air guide pipes 16, and the second air guide pipes 16 are communicated with the second air outlet cavity 642.

The first filtering device 440 comprises an installation frame 443, a PM2.0 filtering layer 444 and an activated carbon filtering layer 445, the installation frame 443 is matched with the inner wall of the first transfer box 420 in shape and size, and the PM2.0 filtering layer 444 and the activated carbon filtering layer 445 are sequentially installed in the installation frame 443. The PM2.0 filter layer 444 and the activated carbon filter layer 445 are not dense, air can penetrate through the PM2.0 filter layer 444 and the activated carbon filter layer 445, the filter level of the filter layer can be customized according to actual conditions, and dust viruses and the like in the air can be adsorbed by the PM2.0 filter layer 444 and the activated carbon layer.

After the technical scheme is adopted: the air outlet system 6 is similar to the air inlet system 4. The difference is that the air outlet 5 is directly communicated with the air outlet pump 630 through the air outlet 610, and the air inside the protective gown 10 enters the second air inlet cavity 641 through the second air guide hole 14, then enters the second air outlet cavity 642 and is discharged outside the protective gown 10 through the air outlet pump 630. The air inlet system 4 and the air outlet system 6 are provided with a circulation control system, so that the air pressure in the protective clothing is approximately equal to the external air pressure, so that people can breathe normally and freely in the protective clothing, or the sizes of air flows of the air inlet pressure and the air outlet pressure are regulated and controlled according to requirements, the first transfer box 420 and the second transfer box 620 are matched with batteries, the air inlet pump and the air outlet pump are both electrically connected with the batteries, the batteries are also electrically connected with an alarm device, and the control system has abnormal alarm functions such as faults, undersize air flow and the like. The dust particles, bacteria and viruses and the like of the air are effectively filtered through the air inlet system 4 and the air outlet system 6.

Example 4

The present embodiment is further optimized on the basis of embodiment 1 as follows: the upper end inside wall of retainer plate 2 is provided with annular location step 7, the top circle circumferencial direction interval of location step 7 is provided with a plurality of location strips 710, form constant head tank 720 between location strip 710 and the location step 7, the lower extreme lateral wall of helmet 1 is provided with a plurality of spacing strips 110 along the circumferencial direction interval, spacing strip 110's height and constant head tank 720 high mutual adaptation, spacing strip 110's length is less than the interval of adjacent location strip 710, be provided with annular first sealed rubber ring 120 in the constant head tank 720, first sealed rubber ring 120 is located between spacing strip 110 and the location step 7.

After the technical scheme is adopted: connection of the retaining ring 2 to the helmet 1: set up location step 7 at the inside wall of retainer plate 2, in the installation of helmet 1, spacing 110 on the helmet 1 is located between the adjacent location strip 710 of retainer plate 2, and spacing 110 enters into the constant head tank 720 through adjacent location strip 710 in, then rotates helmet 1, makes spacing 110 relative location strip 710 rotate, and spacing 110 rotates the lower extreme of location strip 710, and location strip 710 plays spacing fixed effect to spacing 110. Be provided with first sealing rubber ring 120 in the constant head tank 720, first joint strip is located between location step 7 and the outer wall of helmet 1 lower extreme, plays inclosed effect, guarantees the seal of retainer plate 2 and helmet 1 installation. The helmet 1 and the fixing strip are convenient and quick to install.

Example 5

The present embodiment is further optimized on the basis of embodiment 1 as follows: the outer wall of the lower end of the fixing ring 2 is provided with a positioning ring 9, an annular placing groove 910 is formed in the upper end of the positioning ring 9, the outer side wall of the placing groove 910 is inwards bent to form a limiting snap ring 920, a overclothes pressing ring 8 is arranged in the placing groove 910, an annular groove 810 is formed in the upper end of the conveying overclothes pressing ring 8, the overclothes pressing ring 8 is provided with a plurality of elastic limiting parts 11, through grooves are formed in the outer side wall of the groove 810 at intervals, the parts between the two through grooves are elastic limiting parts 11, the outer wall of the elastic limiting parts 11 is provided with a baffle 12 located at the lower end of the limiting snap ring 920, the width of the lower end of the overclothes pressing ring 8 is gradually reduced, a second sealing rubber ring 820 is arranged in the placing.

After the technical scheme is adopted: connection of the retainer ring 2 to the protective gown 10: the fixing ring 2 and the positioning ring 9 are integrally formed, an annular placing groove 910 is formed at the upper end of the positioning ring 9, and the upper end of the positioning ring 9 is bent inwards to form a limiting snap ring 920. After the neck opening formed at the upper end of the protective outer garment 10 is sleeved on the outer wall of the lower end of the fixing ring 2, the outer garment pressing ring 8 is installed in the placing groove 910, and the lower end of the outer garment pressing ring 8 plays a role in fixing and pressing the protective outer garment 10. The overclothes clamping ring 8 is provided with elasticity locating part 11, elasticity locating part 11 is provided with the baffle 12 that is located spacing snap ring 920 lower extreme, annular recess 810 has been seted up to overclothes clamping ring 8, make elasticity locating part 11 can be followed the direction removal that is close to recess 810, spacing snap ring 920 can be crossed to elasticity locating part 11's baffle 12, after overclothes clamping ring 8 is installed in standing groove 910, baffle 12 plays limiting displacement with spacing snap ring 920, guarantee the integrative nature of overclothes clamping ring 8 and retainer plate 2, avoid overclothes clamping ring 8 to break away from retainer plate 2 and lose the fixed action to protection overclothes 10. The elastic limiting pieces 11 are separated from the outer walls of the grooves 810 at the left side and the right side, the lower ends of the elastic limiting pieces are still connected with the overcoat pressing ring 8, and the elastic limiting pieces 11 belong to one part of the outer wall of the overcoat pressing ring 8, so that the integration of the elastic limiting pieces 11 and the overcoat pressing ring 8 is ensured, and the elastic limiting pieces 11 are effectively prevented from being separated from the overcoat pressing ring 8 to lose the compression effect on the protective overcoat 10. By providing the second airtight rubber ring 820 between the overcoat pressure ring 8 and the inner wall of the placement groove 910, the airtightness of the protective overcoat 10 after being mounted on the fixing ring 2 is ensured. When wearing, wear retainer plate 2, first transfer case 420 and second transfer case 620 earlier on the back, then wear protective clothing 10 again, with protective clothing 10 fixed to retainer plate 2 after, install helmet 1 on retainer plate 2 again, dress convenient and fast.

Example 6

The present embodiment is further optimized on the basis of embodiment 1 as follows: the fixed ring 2 is provided with an outer microphone, an outer speaker, an inner microphone, and an inner speaker.

After the technical scheme is adopted: the fixed ring 2 is provided with an outer microphone, an outer speaker, an inner microphone and an inner loudspeaker; the speaker can send the speaking of the wearer to the outside, and can hear the sound around the outside, thereby facilitating the barrier-free communication between the wearer and other people.

Example 7

The present embodiment is further optimized on the basis of embodiment 1 as follows: the fixing ring 2 is provided with a mounting hole for mounting a stethoscope in a penetrating manner.

After the technical scheme is adopted: the fixing ring 2 penetrates through a mounting hole for mounting a stethoscope, so that medical personnel can use the stethoscope conveniently, and the mounting hole can be blocked when the stethoscope does not need to be used.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides an air automatic update filters isolation protective clothing, includes helmet (1) and protective overcoat (10) that the components of a whole that can function independently set up, its characterized in that: be provided with retainer plate (2) between helmet (1) and protective cover clothing (10), the lower extreme of helmet (1) and the upper end interconnect of retainer plate (2), the neck mouth has been seted up to the upper end of protective cover clothing (10), the lower extreme outer wall at retainer plate (2) is established to the neck mouth cover, inlet port (3) and venthole (5) have been seted up in retainer plate (2), lateral wall and the lower extreme outer wall of retainer plate (2) are run through in inlet port (3) and venthole (5), inlet port (3) are connected with air intake system (4), venthole (5) are connected with air outlet system (6).

2. The air freshening, filtering, and insulating protective garment of claim 1, further comprising: the air inlet system (4) comprises an air inlet pipe (410), an air inlet pump (430), a first transfer box (420) and a first filtering device (440), the first transfer box (420) is arranged in the protective cover garment (10), the first filtering device (440) is arranged in the first transfer box (420) and divides the first transfer box (420) into a first air inlet cavity (441) and a first air outlet cavity (442), the air inlet pump (430) is arranged in the first air outlet cavity (442), an air outlet of the air inlet pump (430) is communicated with the interior of the protective cover garment (10), and the first air inlet cavity (441) is communicated with the air inlet hole (3) through the air inlet pipe (410).

3. The air freshening, filtering, and insulating protective garment of claim 2, further comprising: first air guide hole (13) have still been seted up in retainer plate (2), first air guide hole (13) run through the inside wall and the lower extreme outer wall of retainer plate (2), first air guide hole (13) are connected with first air duct (15), the other end and air inlet pump (430) interconnect of first air duct (15).

4. The air freshening, filtering, and insulating protective garment of claim 2, further comprising: the first filtering device (440) comprises an installation frame (443), a PM2.0 filtering layer (444) and an activated carbon filtering layer (445), the installation frame (443) is matched with the inner wall of the first transit box (420) in shape and size, and the PM2.0 filtering layer (444) and the activated carbon filtering layer (445) are sequentially installed in the installation frame (443).

5. The air freshening, filtering, and insulating protective garment of claim 1, further comprising: the air outlet system (6) comprises an air outlet pipe (610), an air outlet pump (630), a second transfer box (620) and a second filtering device (640), the second transfer box (620) is arranged in the protective cover garment (10), the second filtering device (640) is arranged in the second transfer box (620) and separates the second transfer box (620) into a second air inlet cavity (641) and a second air outlet cavity (642), the air outlet pump (630) is arranged in the second air outlet cavity (642), an air outlet of the air outlet pump (630) is communicated with the air outlet hole (5) through the air outlet pipe (610), and a through hole communicated with the protective cover garment (10) is formed in the side wall of the second air outlet cavity (642).

6. The air freshening, filtering, and insulating protective garment of claim 5, further comprising: a plurality of second air guide holes (14) are further formed in the fixing ring (2), the second air guide holes (14) penetrate through the inner side wall and the lower end outer wall of the fixing ring (2), second air guide pipes (16) are connected to the second air guide holes (14), and the second air guide pipes (16) are communicated with the second air outlet cavity (642) mutually.

7. The air freshening, filtering, and insulating protective garment of claim 1, further comprising: the utility model discloses a helmet, including helmet (1), the upper end inside wall of retainer plate (2) is provided with annular location step (7), the top of location step (7) is provided with a plurality of location strip (710) along the circumferencial direction interval, form constant head tank (720) between location strip (710) and location step (7), the lower extreme lateral wall of helmet (1) is provided with a plurality of spacing strip (110) along the circumferencial direction interval, the height of spacing strip (110) and the high mutual adaptation of constant head tank (720), the length of spacing strip (110) is less than the interval of adjacent location strip (710), be provided with annular first sealed rubber ring (120) in constant head tank (720), first sealed rubber ring (120) are located between spacing strip (110) and location step (7).

8. The air freshening, filtering, and insulating protective garment of claim 1, further comprising: the outer wall of the lower end of the fixing ring (2) is provided with a positioning ring (9), the upper end of the positioning ring (9) is provided with an annular placing groove (910), the outer side wall of the placing groove (910) is bent inwards to form a limiting clamping ring (920), a coat pressing ring (8) is arranged in the placing groove (910), an annular groove (810) is arranged at the upper end of the coat pressing ring (8), the overclothes pressing ring (8) is provided with a plurality of elastic limiting pieces (11), the outer side wall of the groove (810) is provided with through grooves at intervals, the part between the two through grooves is the elastic limiting piece (11), the outer wall of the elastic limiting piece (11) is provided with a baffle (12) positioned at the lower end of the limiting snap ring (920), the width of the lower end of the overclothes pressing ring (8) is gradually reduced, a second sealing rubber ring (820) is arranged in the placing groove (910), the second sealing rubber ring (820) is positioned between the overcoat pressing ring (8) and the inner wall of the placing groove (910).

9. The air freshening, filtering, and insulating protective garment of claim 1, further comprising: the fixed ring (2) is provided with an outer microphone, an outer speaker, an inner microphone and an inner loudspeaker.

10. The air freshening, filtering, and insulating protective garment of claim 1, further comprising: the fixing ring (2) penetrates through a mounting hole for mounting a stethoscope.