CN213252669U - Positive pressure mask - Google Patents

Abstract

The utility model provides a positive pressure respirator, which relates to the field of medical protection and comprises a respirator main body, two groups of elastic ear belts, a one-way air outlet valve and a detachable air blowing mechanism, wherein the air blowing mechanism of the utility model comprises a fan and a storage battery, the storage battery drives the fan to rotate, the fan pressurizes and blows external air into the respirator, the exchange speed of the air in the respirator is increased, the breathing difficulty of a human body is greatly reduced, and the breathing requirement of the human body is further met; under the effect of fan, atmospheric pressure in the gauze mask is greater than external atmospheric pressure, consequently can prevent effectively that the outside gas of gauze mask from passing through the clearance and getting into in the gauze mask, and then the protective effect of reinforcing gauze mask.

Description

Positive pressure mask

Technical Field

The utility model relates to a medical treatment protection field especially relates to a malleation gauze mask.

Background

The mask is a sanitary article, is generally worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, is made of gauze or paper and the like, has a certain filtering effect, and can effectively prevent the spray from infecting when respiratory infectious diseases are prevalent.

The existing mask generally comprises a waterproof layer, a filter layer and a moisture absorption layer in sequence, wherein the functions of each layer of cloth are different, but no matter which mask increases the breathing difficulty of a human body inevitably due to the filtering function, particularly, after people wear the mask, the people are difficult to do strenuous activities such as running and the like, because the breathing oxygen consumption is increased sharply in the process of the activities, but enough oxygen is difficult to be inhaled under the blocking function of the mask, so that the oxygen deficiency of the body is easily caused; moreover, the existing mask sealing completely depends on the fit degree of the mask and the face, but a gap exists between the mask and the face inevitably, and outside air can still be directly inhaled by a human body through the gap, so that the protection effect is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a malleation gauze mask, the air-blast mechanism can form the pressure-fired environment a little that is greater than external atmospheric pressure in the gauze mask, not only can satisfy the person's of wearing breathing demand, effectively strengthens the protecting effect moreover.

The utility model discloses a realize through following technical scheme: a positive pressure mask comprises a mask main body and two groups of elastic ear bands, one-way air outlet valve and detachable blast mechanism, the inner wall of gauze mask main part is laminated with the face mutually, the both ends of elasticity ear area are connected with the tie-up point of the outer wall of gauze mask main part respectively, the gauze mask divide into two sets of bilateral symmetry's first laminating portion and second laminating portion, the outer wall fixedly connected with of first laminating portion and the cassette of blast mechanism looks adaptation, blast mechanism includes the framework main part, fan and battery, the framework main part can be dismantled with the cassette and be connected, the fan is located the framework main part, battery and framework main part fixed connection, the battery is connected with the fan electricity, one-way air outlet valve is located second laminating portion, be equipped with the through-hole with one-way air outlet valve looks adaptation in the second laminating portion, one-way air outlet valve is including the valve body of sealing in the through-hole and be located the elastic catch in the valve body.

The blower mechanism of the utility model comprises a fan and a storage battery, the storage battery drives the fan to rotate, the fan pressurizes and blows the outside air into the mask, the exchange speed of the gas in the mask is increased, the breathing difficulty of the human body is greatly reduced, and the breathing requirement of the human body is further met; under the effect of fan, atmospheric pressure in the gauze mask is greater than external atmospheric pressure, consequently can prevent effectively that the outside gas of gauze mask from passing through the clearance and getting into in the gauze mask, and then the protective effect of reinforcing gauze mask.

According to the technical scheme, preferably, an elastic connecting band is arranged between the two groups of elastic ear bands and can be sleeved on the head bag, so that the elastic ear bands are prevented from tightening ears for a long time.

According to the technical scheme, preferably, a plurality of groups of permanent magnets are arranged on the clamping seat, metal blocks which are mutually attracted with the permanent magnets are arranged on the inner side of the frame body, and the permanent magnets and the metal blocks are mutually attracted, so that a user can conveniently and quickly assemble or disassemble the blowing mechanism.

According to the above technical means, preferably, the inner wall of the holder is provided with an internal thread portion, the outer wall of the housing main body is provided with an external thread portion adapted to the internal thread portion, and the housing main body is screwed to the holder, thereby further enhancing the locking effect of the blower mechanism.

According to the above technical scheme, preferably, the frame body is provided with the charging socket electrically connected with the storage battery, so that a user can conveniently charge the storage battery through the charging socket.

According to the technical scheme, preferably, the elastic sealing ring made of silica gel is arranged on the periphery of the mask body and used for enhancing the sealing effect of the mask body.

The utility model has the advantages that: the blower mechanism of the utility model comprises a fan and a storage battery, the storage battery drives the fan to rotate, the fan pressurizes and blows the outside air into the mask, the exchange speed of the gas in the mask is increased, the breathing difficulty of the human body is greatly reduced, and the breathing requirement of the human body is further met; under the effect of fan, atmospheric pressure in the gauze mask is greater than external atmospheric pressure, consequently can prevent effectively that the outside gas of gauze mask from passing through the clearance and getting into in the gauze mask, and then the protective effect of reinforcing gauze mask.

Drawings

Fig. 1 shows a schematic structural diagram according to an embodiment of the present invention.

Fig. 2 shows a schematic structural diagram of the blower mechanism in an embodiment according to the present invention.

Fig. 3 shows a schematic structural diagram of a one-way air outlet valve according to an embodiment of the present invention.

In the figure: 1. a mask body; 2. an elastic ear band; 3. a one-way air outlet valve; 4. a blower mechanism; 5. an elastic connecting band; 6. a first bonding portion; 7. a second bonding portion; 8. a card holder; 9. a frame body; 10. a fan; 11. a storage battery; 13. a valve body; 14. an elastic baffle plate; 15. a charging socket.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figures, the utility model provides a positive pressure respirator, which comprises a respirator main body 1, two groups of elastic ear belts 2, a one-way air outlet valve 3 and a detachable air blowing mechanism 4, wherein the inner wall of the respirator main body 1 is jointed with the face, two ends of the elastic ear belts 2 are respectively connected with binding points of the outer wall of the respirator main body 1, an elastic connecting belt 5 is arranged between the two groups of elastic ear belts 2, the elastic connecting belt 5 can be sleeved on a head bag, so as to avoid the elastic ear belts 2 from tightening the ears for a long time, the respirator is divided into two groups of first attaching parts 6 and second attaching parts 7 which are symmetrical left and right, the outer wall of the first attaching part 6 is fixedly connected with a clamping seat 8 which is matched with the air blowing mechanism 4, the air blowing mechanism 4 comprises a framework main body 9, a fan 10 and a storage battery 11, the framework main body 9 is detachably connected with the clamping seat 8, a plurality of groups of permanent, permanent magnetism piece and metal block inter attraction, and then the person of being convenient for assembles fast or dismantles blower mechanism 4, and then change the gauze mask main part, fan 10 is located framework main part 9, battery 11 and framework main part 9 fixed connection, battery 11 is connected with fan 10 electricity, the fan is used for with the outside air pressurization drum to the gauze mask main part, in the inlet cowling main part after filtering, one-way air outlet valve 3 is located second laminating portion 7, be equipped with the through-hole with 3 looks adaptations of one-way air outlet valve on the second laminating portion 7, one-way air outlet valve 3 is including the valve body 13 of sealing in the through-hole and the elastic catch 14 that is located valve body 13, elastic catch 14 is used for blockking that the outside air enters into gauze mask main part 1, consequently one-way air outlet valve 3 only can make the unidirectional outflow of air in the gauze mask main.

The working process is as follows:

the user adsorbs blower mechanism 4 on the cassette 8 of gauze mask main part 1, and battery 11 drive fan 10 rotates, and in fan 10 blasted the gauze mask with the outside air pressurization, can improve gaseous exchange rate in the gauze mask, atmospheric pressure in the gauze mask main part this moment is a little higher than outside atmospheric pressure simultaneously, consequently can prevent that the outside gas of gauze mask from passing through the gauze mask main part and entering into the gauze mask through the clearance between the face in.

According to the above embodiment, preferably, the inner wall of the holder 8 is provided with the female screw portion, the outer wall of the housing main body 9 is provided with the male screw portion adapted to the female screw portion, and the housing main body 9 is screwed to the holder 8, so that the locking effect of the blower mechanism 4 can be further enhanced.

Furthermore, a charging socket 15 electrically connected with the storage battery 11 is provided on the housing main body 9, so that the user can conveniently charge the battery through the charging socket 15.

Furthermore, the periphery of the mask body 1 is provided with an elastic sealing ring made of silica gel, and the elastic sealing ring is used for enhancing the sealing effect of the mask body 1.

The utility model has the advantages that: the blower mechanism 4 of the utility model comprises a blower 10 and a storage battery 11, the storage battery 11 drives the blower 10 to rotate, the blower 10 pressurizes and blows the outside air into the mask, the exchange speed of the air in the mask is increased, the breathing difficulty of the human body is greatly reduced, and the breathing requirement of the human body is further met; under the effect of fan 10, atmospheric pressure in the gauze mask is greater than external atmospheric pressure, consequently can prevent effectively that the outside gas of gauze mask from passing through the clearance and getting into in the gauze mask, and then the protective effect of reinforcing gauze mask.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A positive pressure mask is characterized by comprising a mask main body, two groups of elastic ear belts, a one-way air outlet valve and a detachable air blowing mechanism, wherein the inner wall of the mask main body is attached to the face, two ends of the elastic ear belts are respectively connected with binding points of the outer wall of the mask main body, the mask is divided into two groups of first attaching portions and second attaching portions which are bilaterally symmetrical, a clamping seat matched with the air blowing mechanism is fixedly connected to the outer wall of the first attaching portion, the air blowing mechanism comprises a frame main body, a fan and a storage battery, the frame main body is detachably connected with the clamping seat, the fan is positioned in the frame main body, the storage battery is fixedly connected with the frame main body, the storage battery is electrically connected with the fan, the one-way air outlet valve is positioned on the second attaching portion, a through hole matched with the one-way air outlet valve is arranged on the second attaching portion, the one-way air outlet valve comprises a valve body sealed in the, the elastic baffle is used for blocking outside air from entering the mask body.

2. The mask according to claim 1, wherein an elastic connecting band is provided between the two sets of elastic ear bands.

3. The positive pressure respirator according to claim 2, wherein the holder is provided with a plurality of groups of permanent magnets, and the inner side of the frame body is provided with metal blocks which attract the permanent magnets.

4. The mask according to claim 3, wherein the inner wall of the holder has an internal thread, and the outer wall of the frame body has an external thread adapted to the internal thread.

5. The mask according to claim 4, wherein the frame body is provided with a charging socket for electrically connecting to a battery.

6. The mask according to claim 5, wherein the mask body is provided with an elastic sealing ring made of silicone around the mask body.

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