CN212522760U

CN212522760U - Mask

Info

Publication number: CN212522760U
Application number: CN202021068491.0U
Authority: CN
Inventors: 陈锦昭; 刘臻
Original assignee: Guangdong Welland Life Technology Co ltd; Guangdong Wapu Technology Co Ltd
Current assignee: Guangdong Welland Life Technology Co ltd; Guangdong Wapu Technology Co Ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-12
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a mask, which comprises a mask body with a breathing cavity and a blower, wherein the mask body is provided with an air inlet hole, and the air inlet hole and the air outlet end of the blower are connected with a gas pipe; the mask is characterized in that the mask body is provided with a ventilation port, and the ventilation port is provided with a filtering component. The mask body of this scheme makes when wearing the gauze mask through the filtering component who sets up, and it breathes more smoothly and sound transmission is good. The filter assembly of this scheme face guard body is the filter media that can wash, and the detachable is changed or is washd, and its reusability is better. The mask body of this scheme adopts hard material and the design of soft laminating layer of moulding, and the leakproofness of gauze mask is good, protective capacities is strong. The mask of the scheme adopts a mask body, a gas pipe and a blower structure, and is simple in structure, convenient to carry and convenient to use.

Description

Mask

Technical Field

The utility model relates to a protective facial mask field specifically, relates to a gauze mask.

Background

The mask is a sanitary article, and generally refers to an appliance which is worn at the mouth and nose part and used for filtering air sucked into the mouth and nose so as to prevent harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer; the mask also has a certain filtering function on air entering the lung, and has a very good effect when the mask is worn when respiratory infectious diseases are prevalent and the mask is used in an environment polluted by dust and the like.

The mask may be classified into an air filtration type mask and an air supply type mask, and the mask is generally made of gauze, paper, or the like.

The existing mask has the following defects: 1. the breathing of the user is easy to be unsmooth after wearing the mask; 2. the speaking voice is difficult to transmit after wearing; 3. the protective performance is not high enough; 4. it is difficult to reuse.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mask for overcoming the defects of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mask comprises a mask body with a breathing cavity and a blower, wherein the mask body is provided with an air inlet, and the air inlet and the air outlet end of the blower are connected with a gas delivery pipe; particularly, the mask body is provided with a ventilation port, and the ventilation port is provided with a filtering component.

In order to facilitate cleaning or replacement of the filter assembly, it is preferable that the filter assembly is detachably disposed on the air vent.

In order to realize that the filtering component can be assembled and disassembled on the ventilation port, preferably, the ventilation port is provided with a fixed bracket; the filter component comprises a filter material bracket and filter materials arranged on the filter material bracket; the filter material bracket and the fixed bracket are detachably buckled, matched and connected. Furthermore, the fixed bracket comprises an installation and connection wall arranged corresponding to the position of the ventilation opening, an installation and connection block used for positioning and installing the mask body is arranged on the outer peripheral side of the installation and connection wall in an extending mode corresponding to the position of the breathing cavity, and a buckling position is arranged on the inner peripheral side of the installation and connection wall; the shape of the outer periphery of the filter material bracket is matched with the shape of the inner periphery of the mounting wall in a mounting way, and the position of the outer periphery of the filter material bracket is provided with a clamping block matched with the buckling position.

In order to improve the sealing performance between the attachment wall and the filter material support, it is preferable that a mounting plate extends from an inner peripheral side of the attachment wall, and a sealing cotton assembly is attached and arranged between the mounting plate and the filter material support.

In order to make the filter assembly reusable for many times, it is preferable that the filter material is a water washable filter net.

In order to increase the air circulation speed in the breathing cavity, preferably, the mask body is further provided with a one-way exhaust valve for guiding the air to be exhausted from the breathing cavity to the outside of the mask body in a one-way manner.

In order to improve the comfort of the mask body and prevent the air in the air inlet hole from directly blowing to the face of a user, preferably, an air flow adjusting part for adjusting the air flow direction of the air inlet hole is arranged in the breathing cavity. Furthermore, the airflow adjusting part comprises a wind shield arranged at the position corresponding to the air inlet side of the air inlet hole, and an air inlet space for air circulation is arranged between the wind shield and the air inlet hole. Furthermore, the extending direction of the wind shield is perpendicular to the air inlet direction of the air inlet hole.

The utility model discloses the implementation provides effective effect:

1. the mask body of this scheme makes when wearing the gauze mask through the filtering component who sets up, and it breathes more smoothly and sound transmission is good.

2. The filter assembly of this scheme face guard body is the filter media that can wash, and the detachable is changed or is washd, and its reusability is better.

3. The mask body of this scheme adopts hard material and the design of soft laminating layer of moulding, and the leakproofness of gauze mask is good, protective capacities is strong.

4. The mask of the scheme adopts a mask body, a gas pipe and a blower structure, and is simple in structure, convenient to carry and convenient to use.

Drawings

Fig. 1 is a schematic structural view of a mask body according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a mask body according to an embodiment of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is an exploded schematic view of a blower according to an embodiment of the present invention.

Description of reference numerals:

a mask body 1; a breathing cavity 2; an air inlet 3; a blower 4; a filter assembly 5; a one-way exhaust valve 6; an airflow adjusting section 7; a wind deflector 8; a bonding layer 9; a rope hanging part 10; a housing 11; an air inlet 12; an air supply hole 13; control keys 14; a circuit board 15; a fan 16; a battery 17; a fan filter portion 18; a fixed bracket 19; a fastening position 20; a latch block 21; a sealing cotton assembly 22; a filter material holder 23; a filter material 24; a filter screen 25; an attachment wall 26; a mounting block 27; a mounting plate 28; the ventilation openings 29.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, a mask comprises a mask body 1 with a breathing cavity 2 and a blower 4, wherein the mask body 1 is provided with an air inlet 3, and the air inlet 3 and the air outlet end of the blower 4 are connected with a gas pipe; the mask body 1 is provided with a ventilation port 29, and the ventilation port 29 is provided with a filtering component 5. The filter assembly 5 is detachably mounted on the ventilation port 29. The mask body 1 is also provided with a one-way exhaust valve 6 for guiding the gas to be exhausted from the breathing cavity 2 to the outside of the mask body 1 in one direction. An airflow adjusting part 7 for adjusting the airflow direction of the air inlet 3 is arranged in the breathing cavity 2.

The mask body 1 is made of hard plastic materials, an attaching layer 9 is arranged on the edge of the mask body 1 used for attaching to the face of a human body, and the attaching layer 9 is soft colloid; in order to wear the mask, the two sides of the mask body 1 may be extended outward to form a hanging rope portion 10 for installing a mask hanging rope.

The mask body 1 is designed by matching a hard plastic material with the soft attaching layer 9, the sealing performance is good, the mask body has a good protection function, when a user wears the mask body 1, sound and air are difficult to penetrate due to the sealing performance of the mask body 1, the arranged filtering component 5 plays a role in transmitting sound and breathing, and the filtering component 5 can be detachably arranged on the ventilation port 29, so that the filtering component 5 is convenient to detach, clean or replace; the one-way exhaust valve 6 can play a role of one-way exhausting gas in the breathing cavity 2 when the blower 4 conveys gas to the breathing cavity 2 so as to improve the air circulation speed in the breathing cavity 2.

Specifically, the fixing bracket 19 is arranged on the ventilation port 29, the fixing bracket 19 comprises an attachment wall 26 which is arranged corresponding to the ventilation port 29, and an attachment block 27 which is used for positioning and installing on the mask body 1 is arranged on the outer peripheral side of the attachment wall 26 corresponding to the position of the breathing cavity 2 in an extending manner, and in the prior art, the attachment block 27 is welded on the mask body 1; the fastening position 20 is arranged at the inner peripheral side position of the mounting wall 26; the filter unit 5 includes a filter material holder 23 and a filter material 24 provided on the filter material holder 23, and the filter material 24 is a water-washable filter net 25. The screen 25 may be a HEPA screen of the prior art, and may be of the H13 type. In the prior art, the filter screen 25 is welded on the filter material bracket 23; the shape of the outer periphery of the filter material bracket 23 is matched with the shape of the inner periphery of the mounting wall 26 in a mounting manner, the position of the outer periphery of the filter material bracket 23 is provided with a clamping block 21 matched with the buckling position 20, the filter material bracket 23 and the fixed bracket 19 are detachably buckled, matched and mounted, the clamping block 21 is clamped into the buckling position 20 corresponding to the buckling position 20 during mounting, the filter material bracket 23 is fixed on the fixed bracket 19, and during dismounting, the clamping block 21 can be separated from the buckling position 20 to dismount the filter material bracket 23 under the action of external force on the filter material bracket 23. In this embodiment, two sets of the filtering components 5 and the fixing brackets 19 are provided, each set of the filtering components 5 is provided with two filter screens 25, each set of the fixing brackets 19 is provided with six fastening positions 20, and the fastening blocks 21 are provided with the same number corresponding to the fastening positions 20.

The mounting plate 28 extends from the inner peripheral side of the mounting wall 26, and the sealing cotton assembly 22 is mounted between the mounting plate 28 and the filter material bracket 23 to improve the connection sealing performance between the mounting plate 28 and the filter material bracket 23, so that the sealing performance of the whole mask body 1 is improved. The sealing cotton assembly 22 may be applied as a prior art cotton block.

The air flow regulating part 7 comprises a wind shield 8 arranged corresponding to the air inlet side position of the air inlet hole 3, and an air inlet space for air circulation is arranged between the wind shield 8 and the air inlet hole 3. The extending direction of the wind deflector 8 is perpendicular to the air intake direction of the air intake 3.

Air feeder 4 is carried the gaseous toward the breather valve in through inlet port 3 air-supply pipe after filtering, this gas delivery can directly blow to user's face or produce obvious air current and can let the user experience not good, 8 messenger's air that carry in the breathing chamber 2 from inlet port 3 through the deep bead that sets up blow on the baffle, and adopt mutually perpendicular's the biggest gas that blocks of mode of setting and slow down the air current, thereby avoid gas directly to blow to user's face or let the user can not experience obvious air current process, improve the use comfort of the face guard body 1.

The blower 4 includes a casing 11, an air inlet 12, an air supply hole 13 and a control button 14 are disposed on the casing 11, a circuit board 15, a blower 16 and a battery 17 for providing power to the blower 16 are disposed in the casing 11, and a blower filter 18 for filtering input air is disposed in the casing 11 corresponding to the air inlet 12.

The air inlet 12 is arranged for allowing air to enter the machine shell 11, the air supply hole 13 is arranged for outputting air from the machine shell 11, the circuit board 15 and the control button 14 are arranged for controlling the fan 16 to work, the fan 16 is arranged for conveying air, the battery 17 is arranged for providing power for the fan 16, the fan filtering part 18 is arranged for filtering air, and in the prior art, the fan filtering part 18 can be provided with different filtering materials 24 according to different use environments and requirements.

The casing 11 is further provided with a clamping part for clamping and fixing the blower 4. The arranged clamping and buckling part can be used for clamping and fixing the air feeder 4 and can be hung at the waist and other positions, thereby being convenient to carry about.

The housing 11 is also provided with a charging port electrically connected to the battery 17. The charging port is used for charging the blower 4, so that the repeated use is facilitated.

The casing 11 is further provided with a hanging ring for hanging the blower 4. The arranged hanging ring can be used for hanging the air feeder 4, and is convenient to carry.

The casing 11 is further provided with a panel, the panel is provided with an array type clearance hole, and the clearance hole is provided with an air inlet 12.

The working principle of the utility model is as follows: a user wears the mask body 1 with one side provided with the breathing cavity 2 facing the face, the blower 4 is hung at the waist, the user opens (closes/adjusts the speed) the blower 4 through the control button 14, at the moment, the fan 16 works, the air is sucked into the shell 11 from the air inlet 12, the air is filtered by the fan filtering part 18 to obtain filtered air, the air is output out of the shell 11 from the air supply hole 13 under the driving of the fan 16 and is conveyed into the breathing cavity 2 through the air supply pipe through the air inlet 3 for the user to breathe, when the user breathes, under the condition that the blower 4 continuously conveys the air, the air in the breathing cavity 2 is mainly discharged out of the mask body 1 through the one-way exhaust valve 6 in one way, and part of the air can be discharged out of the mask body 1 from the filtering component 5; when the user speaks, the sound is transmitted to the outside of the mask body 1 through the filter assembly 5.

It should be noted that, when the blower 4 is turned off, the user can still inhale and exhale through the filter assembly 5 while wearing the mask.

The preferred embodiment of the present invention is only listed in the present specification, and all the technical changes equivalent to those made under the working principle and thought of the present invention are considered as the protection scope of the present invention.

Claims

1. A mask comprises a mask body (1) with a breathing cavity (2) and a blower (4), wherein an air inlet (3) is formed in the mask body (1), and air pipes are connected to the air inlet (3) and the air outlet end of the blower (4); the mask is characterized in that the mask body (1) is provided with a ventilation port (29), and the ventilation port (29) is provided with a filtering component (5).

2. Mask according to claim 1, characterized in that said filtering means (5) are removably arranged on said ventilation opening (29).

3. Mask according to claim 2, characterized in that said ventilation opening (29) is provided with a fixing bracket (19); the filter assembly (5) comprises a filter material bracket (23) and a filter material (24) arranged on the filter material bracket (23); the filter material bracket (23) and the fixing bracket (19) are detachably buckled, matched and connected.

4. Mask according to claim 3, characterized in that the fixing bracket (19) comprises an attachment wall (26) installed corresponding to the position of the ventilation opening (29), the outer peripheral side of the attachment wall (26) is provided with an attachment block (27) extending corresponding to the position of the breathing cavity (2), and the inner peripheral side of the attachment wall (26) is provided with a fastening position (20); the shape of the outer periphery of the filter material bracket (23) is matched with the shape of the inner periphery of the mounting wall (26) in a mounting mode, and a clamping block (21) matched with the buckling position (20) is arranged at the position of the outer periphery of the filter material bracket (23).

5. Mask according to claim 4, wherein a mounting plate (28) extends from the inner peripheral side of the attachment wall (26), and a sealing cotton assembly (22) is attached between the mounting plate (28) and the filter material bracket (23).

6. Mask according to claim 3, characterized in that said filtering material (24) is a water washable filter (25).

7. Mask according to claim 1, wherein the mask body (1) is further provided with a one-way exhaust valve (6) for guiding the air from the breathing chamber (2) to the outside of the mask body (1) to be exhausted in one direction.

8. Mask according to claim 1, characterized in that an air flow regulating part (7) for regulating the air flow direction of the air inlet (3) is arranged in the breathing cavity (2).

9. Mask according to claim 8, characterized in that the air flow regulating part (7) comprises a wind deflector (8) arranged corresponding to the air inlet side position of the air inlet hole (3), and an air inlet space for air circulation is arranged between the wind deflector (8) and the air inlet hole (3).

10. Mask according to claim 9, characterized in that the direction of extension of the wind deflector (8) is orthogonal to the direction of intake of the air intake holes (3).