CN212067498U

CN212067498U - Gas mask with good ventilation effect

Info

Publication number: CN212067498U
Application number: CN201922481253.6U
Authority: CN
Inventors: 徐建红
Original assignee: Jiangsu Jianxiang Police Equipment Manufacturing Co ltd
Current assignee: Jiangsu Jianxiang Police Equipment Manufacturing Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-04
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a gas mask that ventilation effect is good, including the face guard body, the air inlet has been seted up to face guard body one side outer wall, and the inner wall of air inlet is fixed with breathing passageway, breathing passageway's import inner wall and export inner wall all are fixed with the cross, and the clearance between cross and the breathing passageway is fixed with the dust screen, breathing passageway is located the first filtration cotton that is fixed with two symmetric distributions between two cross, and breathing passageway is located two first filtration cotton and is fixed with the first active carbon filter layer of two symmetric distributions, the breathing passageway outer wall has cup jointed annular gas storage tank. The utility model discloses it has annular gas storage cylinder to cup joint outside the breathing passage, set up in the annular gas storage cylinder with breathing the same filtration material in the passage, when the discovery was breathed comparatively hard, can open the control valve on two connecting pipes and cooperate fixed cover and breathing pipe to breathe, can keep operating personnel to breathe unobstructed effect to a very big extent.

Description

Gas mask with good ventilation effect

Technical Field

The utility model relates to a respirator technical field especially relates to a respirator that ventilation effect is good.

Background

The gas mask is used as a personal protection device for providing effective protection for respiratory organs, eyes and facial skin of people, the existing anti-blocking mask is used for a long time, the filtering material in a breathing passage can be blocked, the breathing of an operator can be forcefully caused, the anti-blocking mask needs to be replaced in time, and the operator can directly inhale dust easily during replacement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the gas mask with good ventilation effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gas mask with good ventilation effect comprises a mask body, wherein an air inlet is formed in the outer wall of one side of the mask body, a breathing passage is fixed on the inner wall of the air inlet, cross plates are fixed on the inlet inner wall and the outlet inner wall of the breathing passage, a dust screen is fixed in the gap between each cross plate and the breathing passage, two first filter cottons which are symmetrically distributed are fixed between the two cross plates of the breathing passage, two first activated carbon filter layers which are symmetrically distributed are fixed between the two first filter cottons of the breathing passage, an annular gas storage cylinder is sleeved on the outer wall of the breathing passage, two second filter cottons which are symmetrically distributed are fixed on the inner wall of the annular gas storage cylinder, two second activated carbon filter layers which are symmetrically distributed are fixed between the two second filter cottons of the annular gas storage cylinder, and two connecting pipes which are symmetrically distributed are arranged on the outer wall of the breathing passage at the inlet, and the connecting pipe is communicated with the annular gas storage cylinder, an opening is formed in the middle upper part of the outer wall of one side of the mask body, a fixed cover is fixed on the inner wall of the opening, a round opening is formed in the fixed cover, a gas suction pipe is fixed on the inner wall of the round opening and is communicated with the annular gas storage cylinder, a through opening is formed in the outer wall of the bottom of the mask body, a gas exhaust pipe is fixed on the inner wall of the through opening, and the gas exhaust pipe is connected with a gas.

Preferably, the exhaust mechanism comprises a ring pipe and an exhaust box, a connector is arranged at one end of the outer wall of the top of the ring pipe, and the exhaust pipe is fixedly connected with the connector.

Preferably, the annular pipe is provided with an air outlet far away from the outer wall of one end of the exhaust pipe, the inner wall of the air outlet is fixedly connected with a fixed pipe, and the fixed pipe is fixedly connected with an exhaust box.

Preferably, the exhaust box is internally fixed with an exhaust fan, and the exhaust box is kept away from one side outer wall of annular tube and is seted up the export, the inner wall of export is fixed with the filter screen.

Preferably, the connecting pipe is provided with a control valve.

Preferably, the outer wall of one side of the mask body is fixed with mounting blocks at two sides of the breathing passage, and the mounting blocks are fixed with rubber belts.

Preferably, the exhaust fan is connected with a switch through a wire, and the switch is connected with a power supply through a wire.

The utility model has the advantages that:

1. this gas mask that ventilation effect is good has cup jointed annular gas storage cylinder outside breathing the passageway, set up in the annular gas storage cylinder with breathe the passageway in the same filtration material, when the discovery is breathed comparatively labouriously, can open the control valve on two connecting pipes and cooperate fixed cover and breathing pipe to breathe, can keep operating personnel to breathe unobstructed effect to a very big extent.

2. This gas mask that ventilation effect is good has set up the toroidal tube, can overlap on operating personnel's neck, and the toroidal tube is connected with the exhaust box through the fixed pipe, is provided with the exhaust fan in the exhaust box, and the exhaust fan constantly moves, can be through the continuous carbon dioxide discharge in the face guard of fixed pipe, toroidal tube and blast pipe, the effect of face guard ventilation with higher speed.

Drawings

FIG. 1 is a schematic view of a side-view vertical cross-sectional structure of a gas mask with good ventilation effect according to the present invention;

FIG. 2 is a schematic view of a gas mask with good ventilation effect;

fig. 3 is a schematic view of the cross-sectional structure of the annular tube of the respirator with good ventilation effect according to the present invention.

In the figure: the mask comprises a mask body 1, a breathing passage 2, a first filter cotton 3, a first active carbon filter layer 4, a cross plate 5, a dust screen 6, a connecting pipe 7, a control valve 8, an annular gas storage cylinder 9, a second filter cotton 10, a second active carbon filter layer 11, a gas suction pipe 12, a fixed cover 13, a gas exhaust pipe 14, a fixed pipe 15, an annular pipe 16, a gas exhaust box 17, an exhaust fan 18, a filter screen 19 and a rubber belt 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a gas mask with good ventilation effect comprises a mask body 1, an air inlet is arranged on the outer wall of one side of the mask body 1, a breathing passage 2 is fixed on the inner wall of the air inlet, cross plates 5 are fixed on the inner wall of an inlet and the inner wall of an outlet of the breathing passage 2, a dust screen 6 is fixed in the gap between the cross plates 5 and the breathing passage 2, two first filter cottons 3 which are symmetrically distributed are fixed between the two cross plates 5 of the breathing passage 2, two first activated carbon filter layers 4 which are symmetrically distributed are fixed between the two first filter cottons 3 of the breathing passage 2, an annular gas storage cylinder 9 is sleeved on the outer wall of the breathing passage 2, two second filter cottons 10 which are symmetrically distributed are fixed on the inner wall of the annular gas storage cylinder 9, two second activated carbon filter layers 11 which are symmetrically distributed are fixed between the two second filter cottons 10 of the annular gas storage cylinder 9, the outer wall of the breathing passage 2 at the inlet is provided with two connecting pipes 7 which are symmetrically distributed, the connecting pipes 7 are communicated with an annular gas storage cylinder 9, the middle upper part of the outer wall of one side of the mask body 1 is provided with an opening, the inner wall of the opening is fixed with a fixed cover 13, the fixed cover 13 is provided with a round opening, the inner wall of the round opening is fixed with a gas suction pipe 12, the gas suction pipe 12 is communicated with the annular gas storage cylinder 9, the outer wall of the bottom of the mask body 1 is provided with an opening, the inner wall of the opening is fixed with a gas exhaust pipe 14, the gas exhaust pipe 14 is connected with an exhaust mechanism, the exhaust mechanism comprises a ring pipe 16 and a gas exhaust box 17, one end of the outer wall of the top of the ring pipe 16 is provided with a connecting port, the gas exhaust pipe 14 is fixedly connected with the, exhaust box 17 is inside to be fixed with exhaust fan 18, and exhaust box 17 keeps away from one side outer wall of toroidal tube 16 and has seted up the export, and the inner wall of export is fixed with filter screen 19, and connecting pipe 7 is provided with control valve 8 to pressing from both sides, and 1 one side outer wall of face guard body is located 2 both sides of breathing passage and is fixed with the installation piece, and the installation piece is fixed with rubber tape 20, and exhaust fan 18 is connected with the switch through the wire, and the switch is connected with the power through the wire.

The working principle is as follows: when the mask is used, the annular tube 16 is sleeved on the neck, then the mask body 1 is clamped at the nose, two rubber belts 20 are clamped at the ear root, the mask body 1 can be fixed, during breathing, the cross plate 5 and the dust screen 6 can block larger dust particles, the two first filter cottons 3 can absorb and filter the smaller dust particles, the two first active carbon filter layers 4 can absorb the tiny dust particles and purify the smell in the inhaled air, finally the small dust particles are filtered again through the cross plate 5 and the dust screen 6 and then enter the mask body 1 to provide air for an operator to breathe, meanwhile, the exhaust fan 18 continuously operates to continuously exhaust the air in the exhaust box 17, the negative pressure is extracted from the annular tube 16, the carbon dioxide in the mask body 1 can be continuously exhausted from the exhaust box 17 through the fixing tube 15, the annular tube 16 and the exhaust tube 14, and the work of accelerating ventilation of the mask is completed, when the discovery was breathed comparatively labouriously, can open the control valve 8 of two connecting pipes 7 on the annular gas storage jar 9, can breathe through fixed cover 13 and breathing pipe 12, set up in the annular gas storage jar 9 and breathed the filtration material the same with breathing passageway 2, can keep operating personnel to breathe unobstructed in the very big degree.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gas mask with good ventilation effect comprises a mask body (1) and is characterized in that an air inlet is formed in the outer wall of one side of the mask body (1), a breathing passage (2) is fixed to the inner wall of the air inlet, cross plates (5) are fixed to the inner wall of an inlet and the inner wall of an outlet of the breathing passage (2), a dustproof net (6) is fixed to a gap between each cross plate (5) and the breathing passage (2), two first filter cottons (3) which are symmetrically distributed are fixed to the breathing passage (2) between the two cross plates (5), two first active carbon filter layers (4) which are symmetrically distributed are fixed to the breathing passage (2) between the two first filter cottons (3), an annular gas storage cylinder (9) is sleeved on the outer wall of the breathing passage (2), and two second filter cottons (10) which are symmetrically distributed are fixed to the inner wall of the annular gas storage cylinder (9), annular gas receiver (9) are located and are fixed with second active carbon filter layer (11) of two symmetric distributions between two second filter pulp (10), breathe the outer wall that passageway (2) are located import department and offer connecting pipe (7) of two symmetric distributions, and connecting pipe (7) are linked together with annular gas receiver (9), the opening has been seted up on upper portion in the outer wall of face guard body (1) one side, and the opening inner wall is fixed with fixed cover (13), the round mouth has been seted up to fixed cover (13), the inner wall of round mouth is fixed with breathing pipe (12), breathing pipe (12) are linked together with annular gas receiver (9), the opening has been seted up to face guard body (1) bottom outer wall, and the inner wall of opening is fixed with blast pipe (14), blast pipe (14) are connected with exhaust mechanism.

2. The respirator with good ventilation effect according to claim 1, wherein the exhaust mechanism comprises a ring-shaped pipe (16) and an exhaust box (17), a connection port is formed at one end of the outer wall of the top of the ring-shaped pipe (16), and the exhaust pipe (14) is fixedly connected with the connection port.

3. The respirator with good ventilation effect according to claim 2, wherein an exhaust port is formed in the outer wall of one end of the annular tube (16) away from the exhaust tube (14), a fixed tube (15) is fixedly connected to the inner wall of the exhaust port, and the fixed tube (15) is fixedly connected with the exhaust box (17).

4. The respirator with good ventilation effect according to claim 2, wherein the exhaust box (17) is internally fixed with an exhaust fan (18), an outlet is formed in the outer wall of one side of the exhaust box (17) far away from the annular pipe (16), and a filter screen (19) is fixed on the inner wall of the outlet.

5. A gas-breathing respirator according to claim 1, wherein the connection tube (7) is provided with a control valve (8) in a clamping arrangement.

6. The respirator with good ventilation effect according to claim 1, wherein the outer wall of one side of the respirator body (1) is fixed with mounting blocks at two sides of the breathing passage (2), and the mounting blocks are fixed with rubber belts (20).

7. The respirator of claim 4 wherein the exhaust fan (18) is connected to a switch by a wire and the switch is connected to a power source by a wire.