CN211584961U - Dustproof mask for constructional engineering - Google Patents

Abstract

The utility model discloses a building engineering dust mask, including filter cartridge, lid and connecting pipe, the shaping has ventilative net on the filter cartridge lateral wall, be connected with the filter screen through the draw-in groove in the filter cartridge, there is the lid filter cartridge upper end through the screw connection, the shaping has on another lateral wall of filter cartridge the connecting pipe. Has the advantages that: the utility model discloses a set up filter cartridge, lid, filter screen and connecting pipe, make the filter screen can be by convenient clearing up maintenance or change, and filter cartridge accessible connecting pipe takes off so that clear up the maintenance from the respiratory tube, and is very convenient, makes the use cost and the maintenance cost greatly reduced of dust mask.

Description

Dustproof mask for constructional engineering

Technical Field

The utility model relates to a dust mask technical field, concretely relates to building engineering dust mask.

Background

At present, the dustproof mask in China adopts various latest standard quality requirements consistent with international current standards, and the new standard divides the protection grade of the dustproof mask (for preventing non-oily particles) into three types: n100 (dust-proof rate is more than 99.97%), N95 (more than 95%), N90 (more than 90%), under high dust, if a positive pressure respirator (with an air supply pipe or an oxygen bottle) is selected under the condition, or a half mask is selected, the dust-proof mask is an individual protection article for preventing or reducing dust in the air from entering respiratory organs of a human body so as to protect life safety.

The filtering part of the existing dustproof mask for construction engineering is difficult to disassemble and replace, so that the dustproof mask is difficult to clean and maintain after being used, and the use cost and the maintenance cost of the dustproof mask are higher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the building engineering dust mask is provided, and the problems that the filtering part of the existing building engineering dust mask is difficult to disassemble and replace, the dust mask is difficult to clean and maintain after being used, and the use cost and the maintenance cost of the dust mask are high are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a building engineering dust mask, including filter cartridge, lid and connecting pipe, the shaping has ventilative net on the filter cartridge lateral wall, be connected with the filter screen through the draw-in groove in the filter cartridge, there is the lid filter cartridge upper end through the screw connection, the shaping has on another lateral wall of filter cartridge the connecting pipe.

Further, be provided with the respiratory tube in the connecting pipe, respiratory tube one end is provided with respirator, respirator is last to be provided with the fixed band, the filter cartridge below is provided with the shoulder and encloses, the shoulder encloses the upper end and is provided with the neck and encloses, be provided with the shrink rope in the neck encloses, the neck encloses the upper end and is provided with the hood, be provided with the goggles on a hood lateral wall.

By adopting the technical scheme, through ventilative net, the user of dust mask can breathe, the filter screen can filter the dust in the air and adsorb, will after the lid is opened, can with the filter screen is followed take out in the filter cartridge to clear up and maintain or change.

Further, the filter screen with the lid passes through the draw-in groove and is connected, the breathing pipe with the connecting pipe passes through threaded connection, respirator with the breathing pipe passes through threaded connection.

Through adopting above-mentioned technical scheme, through the connecting pipe can make the filter cartridge can be convenient with the respiratory tube carries out the split, so that it is right the filter cartridge clears up and maintains.

Further, the fixed band with respirator splices, the breathing pipe with hood sewing connection.

By adopting the technical scheme, the mouth and the nose of a user can be attached to the breathing mask when the user wears the dust mask, and then the fixing band is tightly bound behind the brain of the user, so that the breathing mask can be fixed on the mouth and the nose of the user.

Furthermore, the shoulder girth is connected with the neck girth in a sewing mode, and the neck girth is connected with the head cover in a sewing mode.

Furthermore, the contraction rope is in sliding connection with the neck circumference, and the goggles are glued with the head cover.

Through adopting above-mentioned technical scheme, will the shrink rope tightens up and can make after tying up the neck encloses and pastes tightly with user's neck to in dust in the prevention air gets into the dust mask from the dust mask below, the user passes through the goggles can be observed the external world, the goggles can prevent that the dust from causing the influence to user's eyes.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for solving current building engineering dust mask's filter segment is difficult to dismantle the change, makes dust mask be difficult to clear up after the use and maintains, makes dust mask's use cost and the higher problem of maintenance cost, the utility model discloses a set up filter box, lid, filter screen and connecting pipe, make the filter screen can be by convenient clear up maintain or change, and filter box accessible connecting pipe take off so that clear up the maintenance from the respiratory tube, it is very convenient, make dust mask's use cost and maintenance cost greatly reduced.

Drawings

Fig. 1 is a schematic structural view of a dust mask for construction engineering according to the present invention;

FIG. 2 is a left side sectional view of a head cover of a dust mask for construction engineering;

fig. 3 is the utility model discloses a left side cut-away view of filter cartridge among building engineering dust mask.

The reference numerals are explained below:

1. a filter cartridge; 2. a breathable net; 3. a filter screen; 4. a box cover; 5. a connecting pipe; 6. a breathing tube; 7. a respiratory mask; 8. fixing belts; 9. shoulder girdling; 10. neck circumference; 11. retracting the cord; 12. a head cover; 13. goggles.

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.

As shown in fig. 1-3, the dust mask for construction engineering in this embodiment comprises a filter box 1, a box cover 4 and a connecting pipe 5, wherein a ventilation net 2 is formed on one side wall of the filter box 1, the filter box 1 is connected with a filter screen 3 through a clamping groove, the upper end of the filter box 1 is connected with the box cover 4 through a screw, the other side wall of the filter box 1 is formed with the connecting pipe 5, a breathing tube 6 is arranged in the connecting pipe 5, one end of the breathing tube 6 is provided with a breathing mask 7, the breathing mask 7 is provided with a fixing belt 8, a shoulder enclosure 9 is arranged below the filter box 1, the upper end of the shoulder enclosure 9 is provided with a neck enclosure 10, a contraction rope 11 is arranged in the neck enclosure 10, the upper end of the neck enclosure 10 is provided with a visor 12, one side wall of the hood 12 is provided with a visor 13, a user of the dust mask can breathe, after the box cover 4 is opened, the filter screen 3 can be taken out from the filter box 1 so as to be cleaned, maintained or replaced, the filter screen 3 is connected with the box cover 4 through a clamping groove, the breathing tube 6 is connected with the connecting pipe 5 through a thread, the breathing mask 7 is connected with the breathing tube 6 through a thread, the filter box 1 can be conveniently separated from the breathing tube 6 through the connecting pipe 5 so as to clean and maintain the filter box 1, the fixing belt 8 is connected with the breathing mask 7 in a gluing mode, the breathing tube 6 is connected with the hood 12 in a sewing mode, the mouth and the nose of a user are jointed with the breathing mask 7 when the user wears the dust mask, then the fixing belt 8 is tightly bound after the user feels, so that the breathing mask 7 can be fixed on the mouth and the nose of the user, the shoulder circumference 9 is connected with the neck circumference 10 in a sewing mode, the neck circumference 10 is connected with the hood 12 in a sewing mode, the contraction rope 11 is connected with the neck circumference 10 in a sliding mode, the contraction rope 11 is tightly bound, so, in order to prevent that the dust in the air from getting into the dust mask from the dust mask below, the user can observe the external world through goggles 13, and goggles 13 can prevent that the dust from causing the influence to user's eyes.

As shown in fig. 1-3, in this embodiment, a user of the dust mask can breathe through the ventilation net 2, the filter net 3 can filter and adsorb dust in the air, and after the box cover 4 is opened, the filter net 3 can be taken out from the filter box 1 so as to be cleaned and maintained or replaced, so that the use cost and the maintenance cost of the dust mask are greatly reduced.

The specific implementation process of this embodiment is as follows: when the dust mask is used, a hood 12 is required to cover the head of a user, the mouth and the nose of the user are attached to a breathing mask 7, then a fixing band 8 is tightly bound behind the brain of the user, so that the breathing mask 7 can be fixed on the mouth and the nose of the user, a contraction rope 11 is tightly bound, so that a neck enclosure 10 can be tightly attached to the neck of the user, dust in air is prevented from entering the dust mask from the lower part of the dust mask, the user can observe the outside through goggles 13, the goggles 13 can prevent the dust from influencing the eyes of the user, the user of the dust mask can breathe through a ventilation net 2 on a filter box 1, a filter net 3 can filter and adsorb the dust in the air, the filtered air is breathed by the user through a breathing tube 6 and the breathing mask 7, after a box cover 4 is opened, the filter net 3 can be taken out of the filter box 1 so as to be cleaned, maintained or replaced, the use cost and the maintenance cost of the dust mask are greatly reduced.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims (6)

1. The utility model provides a building engineering dust mask which characterized in that: the filter box comprises a filter box (1), a box cover (4) and a connecting pipe (5), wherein a breathable net (2) is formed on one side wall of the filter box (1), a filter screen (3) is connected in the filter box (1) through a clamping groove, the upper end of the filter box (1) is connected with the box cover (4) through a screw, and the connecting pipe (5) is formed on the other side wall of the filter box (1).

2. The dust mask for construction engineering according to claim 1, wherein: be provided with respiratory tube (6) in connecting pipe (5), respiratory tube (6) one end is provided with respirator (7), be provided with fixed band (8) on respirator (7), filter cartridge (1) below is provided with shoulder (9), shoulder (9) upper end is provided with neck (10), be provided with shrink rope (11) in neck (10), neck (10) upper end is provided with hood (12), be provided with goggles (13) on hood (12) a lateral wall.

3. The dust mask for construction engineering according to claim 2, wherein: filter screen (3) with lid (4) are connected through the draw-in groove, respiratory tube (6) with connecting pipe (5) pass through threaded connection, respiratory mask (7) with respiratory tube (6) pass through threaded connection.

4. The dust mask for construction engineering according to claim 3, wherein: fixed band (8) with respirator (7) splice, respiratory tube (6) with hood (12) sewing connection.

5. The dust mask for construction engineering according to claim 4, wherein: the shoulder girth (9) is connected with the neck girth (10) in a sewing mode, and the neck girth (10) is connected with the head cover (12) in a sewing mode.

6. The dust mask for construction engineering according to claim 5, wherein: the contraction rope (11) is in sliding connection with the neck circumference (10), and the goggles (13) are glued with the hood (12).

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