CN218636502U

CN218636502U - Positive pressure type air purification dust mask

Info

Publication number: CN218636502U
Application number: CN202222684074.4U
Authority: CN
Inventors: 彭哲; 梅良英; 姚永祥; 张海; 卫婷婷; 江中发; 黄健; 刘盛; 镇重; 熊欣; 李艳
Original assignee: HUBEI PROVINCIAL CENTER FOR DISEASE CONTROL AND PREVENTION
Current assignee: HUBEI PROVINCIAL CENTER FOR DISEASE CONTROL AND PREVENTION
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-17
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a positive pressure type air purification dust mask, which comprises a mask main body, two hangers, a neck-hanging type air filtration purifier, a one-way valve and two gas pipes; the neck-hung air filtration purifier comprises a neck-hung shell, filter screens and filter elements, wherein the neck-hung shell is integrally U-shaped, air inlets are formed in two ends of the neck-hung shell, the filter screens are respectively arranged at each end of the neck-hung shell, and the filter elements are respectively arranged in the inner cavity of the neck-hung shell at the positions corresponding to the filter screens; for each gas pipe, one end of the gas pipe is connected to the neck hanging shell and communicated with the inner cavity of the neck hanging shell, and the other end of the gas pipe is connected to the mask main body; the one-way valve is installed on the mask body to discharge exhaled air. The utility model discloses take the hanging empty clean device of neck, hang neck formula filtration clarifier and last air-purifying and carry clean air to the face guard through the gas-supply pipe, play and reduce the dust and inhale, reduce the effect that pneumoconiosis takes place.

Description

Positive pressure type air purification dust mask

Technical Field

The utility model belongs to the gauze mask field, more specifically relates to a positive pressure formula air purification dust mask.

Background

In dust operation places, such as stone processing, mining, cement processing and manufacturing places, the dust operation places are inevitably exposed to dust environment in the operation process of workers due to the limitation of production process, and respiratory system diseases such as pneumoconiosis can be caused by long-term dust contact, thus seriously affecting the health of operators.

The existing dustproof mask such as N95 has good filtering and protecting performance, but uncomfortable symptoms such as breath holding, chest distress and the like can be caused after long-time wearing, particularly, when the mask is used at high temperature or has heavy load, workers usually prefer to be exposed to a dust environment and also prefer to wear the mask, so that the protective mask cannot fully exert the function, and the incidence rate of pneumoconiosis is high.

Some current silica gel dust mask, the filter is installed in the outside of the gauze mask main part of its silica gel, and the filter is heavier, and the workman is at the low head during operation, and silica gel dust mask wears the back and rocks the range great, influences its dustproof effect, wears also easy scotch ear and facial for a long time moreover.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve the demand, the utility model provides a positive pressure formula air purification dust mask, it takes the hanging empty clean device of neck, hangs neck formula filtration clarifier and lasts air-purifying and carry clean air to the face guard through the gas-supply pipe, plays the reduction dust and inhales, reduces the effect that pneumoconiosis takes place.

In order to achieve the above object, according to an aspect of the present invention, there is provided a positive pressure air purification dust mask, which is characterized in that it comprises a mask main body, a hanging loop rope, a hanging neck type air filtration purifier, a check valve and a gas pipe, wherein:

the left side and the right side of the mask body are respectively provided with one ear hanging rope;

the neck-hung air filtering purifier comprises a neck-hung shell and two groups of filtering and purifying components, wherein each group of filtering and purifying components comprises a filter screen, a filter element and an exhaust fan, the neck-hung shell is integrally U-shaped, air inlets are formed in two ends of the neck-hung shell, one filter screen is arranged at each air inlet at each end of the neck-hung shell, the exhaust fan and the filter element are respectively arranged in the inner cavity of the neck-hung shell at the position corresponding to each filter screen, and an air outlet for allowing purified air to flow out of the neck-hung shell is formed in the neck-hung shell;

one end of the gas pipe is connected to the gas outlet of the neck hanging shell, and the other end of the gas pipe is connected to the mask main body, so that purified air can be sucked by a user;

the one-way valve is installed on the mask body to discharge the gas exhaled by the user.

Preferably, each end of the neck hanging shell is connected with a connecting wire respectively, the two connecting wires are connected together through a lock catch, the lock catch comprises a male buckle and a female buckle which are matched for use, the male buckle is installed on one connecting wire, and the female buckle is installed on the other connecting wire.

Preferably, the mask body is made of silica gel.

Preferably, the mask body is provided with a through hole, and the end part of each air pipe is hermetically arranged at the through hole of the mask body.

Preferably, the filter screen, the exhaust fan and the filter element are respectively detachably mounted on the neck hanging shell.

Preferably, the air conveying pipe is a hose.

Preferably, the neck hanging shell is made of silica gel or plastic.

Preferably, the ear hanging rope is an elastic rope and is detachably mounted on the mask main body.

Preferably, the gas transmission pipe is provided with a plurality of gas transmission pipes.

Preferably, the exhaust fan is powered by a rechargeable battery, and the rechargeable battery is electrically connected with a charging interface arranged on the side wall of the neck hanging shell.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1) The utility model discloses unite two into one gauze mask main part and string neck formula filtration clarifier, take the string neck formula filtration clarifier that can hang the neck, it passes through the exhaust fan convulsions and at the inside malleation that forms of string neck shell to hang neck formula filtration clarifier, the continuous suction outside air of exhaust fan, it lasts air-purifying and carries clean air to the gauze mask main part through the gas-supply pipe to hang neck formula filtration clarifier, the waste gas that exhales the production with the user discharges through the check valve on the silica gel gauze mask together, the clean air of string neck formula filtration clarifier input has blockked the dust with the check valve in the gauze mask main part and has inhaled together, air cycle has been accelerated simultaneously, user's breathing load has been reduced, give the more comfortable experience of user, and then improve the gauze mask rate of utilization, play and reduce the dust and inhale, reduce the effect that pneumoconiosis takes place.

2) The utility model discloses hang the neck formula filtration clarifier that hangs that weight is great at the neck, be difficult to drop, hang the gauze mask main part that weight is lighter through the hangers rope on the ear can, the neck can bear the great weight of neck formula filtration clarifier, need not use the head to bear the weight of whole dust mask, can alleviate the head burden, promotes dust mask's the comfort level of wearing.

Drawings

Fig. 1 is a front view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, a positive pressure air purification dust mask, includes gauze mask main part 1, hangers rope 2, string neck formula filtration clarifier 3, check valve 4 and gas-supply pipe 5, wherein:

the mask comprises a mask body 1 and is characterized in that the number of the ear hanging ropes 2 is two, and the left side and the right side of the mask body 1 are respectively provided with one ear hanging rope 2 which can be hung on two ears of a user. The hangers 2 are elastic ropes and are detachably mounted on the mask main body 1, and adjustment and replacement are facilitated.

The neck-hung air filtering purifier 3 comprises a neck-hung shell 31 and two groups of filtering and purifying components, each group of filtering and purifying components comprises a filter screen 32, a filter element 33 and an exhaust fan 34 which are detachably mounted on the neck-hung shell 31, the exhaust fan 34 is preferably positioned between the filter screen 32 and the filter element 33, the neck-hung shell 31 is integrally U-shaped, air inlets are formed in two ends of the neck-hung shell 31, the shape and the structure of the neck-hung shell can refer to the neck-hung shell of the existing neck-hung earphone or neck-hung fan, and the neck-hung shell can be hung on the neck, and only the two ends of the neck-hung shell 31 are open to form the air inlets, and the inner cavity of the neck-hung shell is through so that air can flow into the neck-hung shell 31, the neck-hung shell 31 is preferably made of silica gel or plastic, has certain strength and hardness, and is convenient to wear on the neck and can improve the wearing comfort; hang the air inlet department of each end of neck shell 31 and set up a filter screen 32 respectively, can filter great granule, hang the inner chamber of neck shell 31 and install one respectively corresponding to every filter screen 32 position filter core 33 and one extraction fan 34, the work of extraction fan 34 can form the malleation at the inner chamber and the gas outlet of hanging neck shell 31, constantly with outside air to hanging neck shell 31 in suction and flow direction filter core 33, filter core 33 can filter the dust. The neck hanging shell 31 can enable the whole neck hanging type air filtering purifier 3 to be hung or clamped on the neck and can be well accepted by the neck, and the size of the inner cavity of the neck hanging shell 31 meets the requirements of both the neck hanging and the ventilation of the neck hanging shell 31. Of course, for further preventing to hang the neck shell 31 and drop, hang each end of neck shell 31 and connect a connecting wire 8 respectively, two connecting wire 8 links together through hasp 6, hasp 6 is including supporting pin thread and box that uses, one of them install on the connecting wire 8 the pin thread, another install on the connecting wire 8 the box, pin thread and box can be with two connecting wire 8 can be dismantled and link together, conveniently hang wearing and taking off of neck formula filtration purification ware 3. The neck shell 31 is provided with an air outlet for purified air to flow out of the neck shell 31.

The air conveying pipe 5 is preferably a hose, is flexible and bendable, and is convenient to use; one end of the air pipe 5 is connected to the air outlet of the neck shell 31, and the other end of the air pipe 5 is connected to the mask body 1, so that purified air can be inhaled by a user; the outside air is filtered and purified by the filter screen 32 and the filter element 33, flows into the air pipe 5 from the inner cavity of the neck shell 31, and then flows into the space on the inner side of the mask body 1 from the air pipe 5. In order to facilitate the inhalation of the user, the inner diameter of the air delivery pipe 5 is proper, and a plurality of air delivery pipes 5 can be arranged. The exhaust fan 34 is preferably powered by a rechargeable battery, and the rechargeable battery is electrically connected with a charging interface arranged on the side wall of the neck hanging shell 31, so that the rechargeable battery is conveniently charged.

The check valve 4 is installed on the mask body 1 to discharge exhaled air, and the check valve 4 prevents external dirty air from being inhaled directly through the mask body 1.

Further, the mask main body 1, the gas pipe 5 and the connecting line 8 are all made of silica gel and are integrally formed, so that the mask is convenient to process and manufacture.

Further, be provided with through-hole 11 on the gauze mask main part 1, every the tip of gas-supply pipe 5 all seal installation be in the through-hole 11 department of gauze mask main part 1. Through-hole 11 sets up the position corresponding to user's mouth and nose on gauze mask main part 1, conveniently breathes in fast, through adopting gas-supply pipe 5 from the mode of 1 outside embedding gauze mask main part 1 of gauze mask main part, the design position is more reasonable, the port of gas-supply pipe 5 is direct towards user's face, can let gas-supply pipe 5 air feed well, can not make gas-supply pipe 5 moreover by pressing from both sides between user's face and gauze mask main part 1 and influence dustproof effect yet.

The utility model can continuously provide filtered clean air, solves the problem of unsmooth air circulation of the traditional mask, improves the wearing comfort, and the neck-hung air filtering purifier 3 is matched with the one-way valve 4 on the mask main body 1 to ensure the one-way circulation of the air in the mask main body 1, thereby not only ensuring the fresh air supply, but also reducing the possibility of dust suction; hang neck formula filtration clarifier 3 small and exquisite light, and filter core 33 can be regularly changed, and the rechargeable battery on the cooperation exhaust fan 34, the product can use repeatedly, green economy environmental protection.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a positive pressure air purification dust mask, its characterized in that, includes gauze mask main part (1), hangers rope (2), string neck formula filtration clarifier (3), check valve (4) and gas-supply pipe (5), wherein:

the left side and the right side of the mask body (1) are respectively provided with one ear hanging rope (2);

the neck-hung air filtering purifier (3) comprises a neck-hung shell (31) and two groups of filtering and purifying components, each group of filtering and purifying components comprises a filter screen (32), a filter element (33) and an air suction fan (34), the neck-hung shell (31) is integrally U-shaped, air inlets are formed in two ends of the neck-hung shell (31), the air inlet of each end of the neck-hung shell (31) is respectively provided with one filter screen (32), the position, corresponding to each filter screen (32), of an inner cavity of the neck-hung shell (31) is respectively provided with one air suction fan (34) and one filter element (33), and the neck-hung shell (31) is provided with an air outlet for purified air to flow out of the neck-hung shell (31);

one end of the air pipe (5) is connected to the air outlet of the neck hanging shell (31), and the other end of the air pipe (5) is connected to the mask main body (1) so that purified air can be sucked by a user;

the one-way valve (4) is arranged on the mask main body (1) and is used for discharging gas exhaled by a user.

2. The positive pressure air purification dust mask according to claim 1, wherein each end of the neck hanging shell (31) is connected with a connecting wire (8), the two connecting wires (8) are connected together through a lock catch (6), the lock catch (6) comprises a male buckle and a female buckle which are matched for use, the male buckle is installed on one connecting wire (8), and the female buckle is installed on the other connecting wire (8).

3. The positive pressure air-purifying dust mask according to claim 1, wherein the mask body (1) is made of silica gel.

4. The positive pressure air purification dust mask according to claim 1, wherein the mask body (1) is provided with through holes (11), and the end of each air pipe (5) is hermetically mounted at the through hole (11) of the mask body (1).

5. The positive pressure air-purifying dust mask according to claim 1, wherein the filter screen (32), the suction fan (34) and the filter element (33) are detachably mounted on the neck shell (31), respectively.

6. The positive pressure air purification dust mask according to claim 1, wherein the air pipe (5) is a hose.

7. The positive pressure air-purifying dust mask according to claim 1, wherein the neck shell (31) is made of silica gel or plastic.

8. The positive pressure air-purifying dust mask as claimed in claim 1, wherein the ear hanging cord (2) is an elastic cord and is detachably mounted on the mask body (1).

9. The positive pressure air purification dust mask according to claim 1, wherein the air pipe (5) is provided with a plurality of pipes.

10. The mask according to claim 1, wherein the suction fan (34) is powered by a rechargeable battery, and the rechargeable battery is electrically connected to a charging port mounted on the sidewall of the neck shell (31).