CN203315579U

CN203315579U - Mining air supply type dustproof mask

Info

Publication number: CN203315579U
Application number: CN2013204162612U
Authority: CN
Inventors: 王宽
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-15
Filing date: 2013-07-15
Publication date: 2013-12-04
Anticipated expiration: 2023-07-15

Abstract

A mining air supply type dustproof mask comprises a pneumatic joint, a dust filter, a valve, an air guide hose, a mask body and the like and is suitable for being worn by fixed point operators such as a heading machine driver of a press-in type ventilation heading operation face of a mine, a conductor, an air drilling worker and an anchoring and shotcreting worker. The pneumatic joint is installed on the air duct wall of a press-in type air supply air duct. Under the condition that the air duct is connected with the air guide hose, part of fresh air flow in the air duct is guided into the air guide hose. The fresh air flow passes through the dust filter, the valve and an air inlet hose of the mask body and finally is guided into a respiration cavity of the mask body and supplied to a wearer. Two rows of small vent holes are formed in the lower portion of the mask body and used for ventilation. When the mask is worn by the operator, the opening and closing degree of the valve is appropriately adjusted and the appropriate positive pressure in the respiration cavity of the mask is maintained so that external air containing dust can be prevented from entering the respiration cavity of the mask and the health of the operator can be effectively protected. According to the mining air supply type dustproof mask, compressed air and electric power are not needed, the mask is safe and reliable, a pressure reducing valve and an oil filter are not needed, the structure is simple, operation is convenient, practicality is high, and the dustproof effect is ideal.

Description

A kind of mining air-feeding type anti-dust respirator

Technical field

The utility model relates to a kind of mining air-feeding type anti-dust respirator, and distributing in heading face with forced ventilation fixed point in especially a kind of mine is produced the air-feeding type anti-dust respirator that the dirt operation is used.

Background technology

Mine dust is one of mine major casualty.Anti-dust respirator, as last one dust prevention of mine down-hole operating personnel, is being taken on the important mission of protecting operating personnel's health to avoid the dust infringement.Wear anti-dust respirator and be one of major measure that the mine down-hole operating personnel prevents pneumoconiosis, anthraco-silicosis.

At present, mine anti-dust respirator commonly used mainly contains: two kinds of self-priming and blast types.The respiratory cavity of self-suction dustproof mouth mask is enclosed dead space, when wearing, the operating personnel can contain certain density carbon dioxide all the time in respiratory cavity, and while wearing in the operating environment of high dust concentration for a long time, on filtrate, Dust Capacity extends in time and increases, the corresponding increase of respiratory resistance, cause the operating personnel to produce certain sense of feeling oppressed, and this mouth mask has certain soundproof effect, even while closely exchanging with other operating personnel, also often need to extract mouth mask, be unfavorable for individual dustproof, air-supplying type dust mask mainly is divided into: power blast type and the blast type etc. of calming the anger, although air-supplying type dust mask is better than the self-suction dustproof mouth mask, the mouth mask respiratory cavity is the part open type, constantly keeping fresh distinguished and admirable supply in chamber, fundamentally eliminated the sense of feeling oppressed, and acoustic is effective, being convenient to the workman closely exchanges, the part but it still comes with some shortcomings: as power blast type mouth mask needs the miniature explosion-proof motor, provide power, equipment needs electricity consumption, have certain potential safety hazard, its weight is bigger than normal, operating personnel's operation of need bearing a heavy burden, when the workman of full coal or half coal petrography driving face work wears this mouth mask, likely can contain finite concentration hydrogen sulfide or gas etc. in the air of its suction poisonous, pernicious gas, calm the anger the blast type mouth mask due to the pressure wind air feed utilized in air line, need in air-supply pipeline, install special pressure-reducing valve to pressing the wind decompression, also need to establish oil filter and water filter etc. and compressed air is carried out to oil strain, drainage, the structure slightly complicated.

Summary of the invention

Weak point for the existing anti-dust respirator in mine, the utility model provides a kind of safe and reliable, comparatively simple mining air-feeding type anti-dust respirator of structure, is suitable for the development machine driver of distributing in heading face with forced ventilation and commanding, drifter, shotcrete operation work is worn.

The utility model provides a kind of mining air-feeding type anti-dust respirator, pneumatic joint, dirt catcher, valve, mask main body, collar extension frenulum, wind-guiding flexible pipe, snap joint, consists of.Pneumatic joint, dirt catcher, valve and mask main body use the wind-guiding flexible pipe with snap joint to connect by wind direction successively.Pneumatic joint can be installed, be fixed on the air duct wall of forced air feed air duct, and an end of joint is in the air duct wall, and the other end, outside the air duct wall, has the plug-in type fast interface, can be connected fast with the wind-guiding flexible pipe; Inside has connectivity structure, when pneumatic joint is inserted in the snap joint of wind-guiding flexible pipe one end, can make air duct and soft air-guide pipe be communicated with, when the snap joint of wind-guiding hose end when extracting in pneumatic joint, connectivity structure in pneumatic joint is airtight, has avoided air duct to leak out from here.

Need to consider the thought of staff's quantity of driving face and required minimum air quantity thereof when the utility model is based on mining excavation working face design wind supply quantity and design, can realize fresh distinguished and admirable each Fixed Point Operation personnel that are dispensed directly into driving face, make the operating personnel can breathe fresh distinguished and admirable in the air feed air duct.When the operating personnel wears, only need suitable control valve, make the operating personnel when air-breathing, still keep suitable malleation in the mouth mask respiratory cavity, can effectively avoid dust to enter in the mouth mask respiratory cavity, fundamentally solve distributing in heading face with forced ventilation Fixed Point Operation personnel's the dustproof problem of individuality.

The main body of described dirt catcher is made by the hard transparent plastic pipe, and the superfine polypropylene fiber of crossing through Electrostatic Treatment that inner filling is appropriate, can be to fresh air decontamination.There is the filter screen compressing tablet at the two ends of inside of plastic tubes, are press-fiting the filter screen of certain order number, prevent that the superfine polypropylene fiber from entering soft air-guide pipe.The dirt catcher two ends are the plug-in type fast interface.Plastic tube and plug-in type fast interface adopt helicitic texture to be connected, make dirt catcher be easy to dismantle, and change inner filtrate, and the two junction is equipped with sealing gasket, guarantee that dirt catcher has good air-tightness.

Described mask main body adopts senior organic silica gel material nontoxic, tasteless, not chafe mold pressing to make, lightweight, comfortable wearing, and laminating people's shape of face, good leak tightness, be easy to clean, and stability is strong.Two discharge pores are arranged at the mask main body bottom, for exhaust; Respectively there is a fresh air inlet both sides, top, and the fresh air inlet outside is connected with the air intake flexible pipe, and the breathing valve block is equipped with in inside, distinguished and admirable for disperseing, and avoids the distinguished and admirable sense of discomfort that people's face causes that directly blows to.Along wind direction, the wind-guiding flexible pipe at valve rear is divided into two-way air intake flexible pipe through a three-way connection with fast interface structure, with two fresh air inlets of mask main body, is connected respectively.The mask main body outside have two elasticity preferably the nylon elastic cord be respectively used to fixedly two-way air intake flexible pipe, make two-way air intake flexible pipe be close to the mask main body outside, in case the air intake flexible pipe affects the personnel's that wear sight line.

The utility model has the advantage of: simple in structure, without pressing wind, electric power, safe and reliable, the dust-proof effect ideal, easy to operate, practical, comfortable wearing in work is produced, breathe easily, what breathe is all provided by forced air feed air duct fresh distinguished and admirable, fundamentally solve distributing in heading face with forced ventilation Fixed Point Operation personnel's dustproof problem, for containing high hydrogen sulfide, high gas etc. are poisonous, the full coal of pernicious gas or half coal petrography driving face, while wearing this mouth mask during operating personnel's operation, can also effectively avoid sucking poisonous, pernicious gas, the protection workman's is healthy.

The accompanying drawing explanation

Fig. 1 is overall structure figure of the present utility model;

Fig. 2 is the structure chart of the utility model mask main body;

Fig. 3 is the structure chart of the utility model dirt catcher.

In figure, 1. air duct, 2. pneumatic joint, 3. sealing gasket, 4. snap joint, 5. wind-guiding flexible pipe, 6. dirt catcher, 7. valve, 8. mask main body air intake flexible pipe, 9. buckle, 10. collar extension frenulum, 11. mask main body, 12. the nylon elastic cord, 13. mask main body fresh air inlets, 14. mask main body ventholes, 15. three-way connections, 16. lucite pipe, 17. helicitic textures, 18. plug-in type fast interfaces, 19. the superfine polypropylene fiber, 20. filter screens, 21. filter screen compressing tablets.

The specific embodiment

By reference to the accompanying drawings the specific embodiment of the present utility model is described: the air duct work is before distributing in heading face with forced ventilation increases and connects every joint air duct 1, at first cut the suitably round mouth of size of a diameter at distance air duct front end or two to three meters of end, pneumatic joint 2 is installed, screw the nut at pneumatic joint two ends, the air duct fabric of sealing gasket 3 and joint periphery is compressed, guarantee not leak out.For neat, attractive in appearance, allow the unified installation of pneumatic joint in air duct 1 bottom as far as possible.

At first the user of service connects dirt catcher 6, valve 7 and three-way connection 15 with two ends with the wind-guiding flexible pipe 5 of snap joint 4 successively, and whether check valve 7 be closed condition, as locates opening state, needs to be adjusted to closed condition and connects.After intact with the upper member connection, the pneumatic joint 2 that the workman can insert the snap joint of wind-guiding flexible pipe 5 terminations 4 nearby.Hang wind-guiding flexible pipe 5, and reserved the length that is suitable for own job area.The outside of dirt catcher 6 and valve 7 is equipped with and is buckled 9, the two can be buckled on the personnel's of wearing waistband.Then collar extension frenulum 10 is adjusted to comfortable elasticity, wears mask main body 11, open valve 7, be adjusted to suitable air output.The operating personnel, after fulfiling assignment, need only take off the wind-guiding flexible pipe 5 be connected with pneumatic joint 2, wind-guiding flexible pipe 5, dirt catcher 6, valve 7, mask main body 11 etc. is put into to spectacle case and keep well.

The design of a kind of mining air-feeding type anti-dust respirator of the utility model is: air supply mode is by fresh distinguished and admirable the importing in the mouth mask respiratory cavity in forced air feed air duct.The utility model can be made the anti-dust respirator of different materials, specification and version according to material, specification, version etc., without departing from the concept of the premise utility, all should belong to protection domain of the present utility model.

Claims

1. a mining air-feeding type anti-dust respirator, by pneumatic joint, dirt catcher, valve, mask main body, wind-guiding flexible pipe, snap joint etc., formed, it is characterized in that: pneumatic joint is installed on the air duct wall of forced air feed air duct, fresh distinguished and admirable in air duct relatively is pressed into the wind-guiding flexible pipe be connected with pneumatic joint under the effect of malleation in air duct, through dirt catcher, valve, finally by force feed to the respiratory cavity of mask main body.

2. mining air-feeding type anti-dust respirator according to claim 1, it is characterized in that: the main body of described dirt catcher is made by the hard transparent plastic pipe, the superfine polypropylene fiber of crossing through Electrostatic Treatment that inner filling is appropriate; There is the filter screen compressing tablet at the two ends of inside of plastic tubes, are press-fiting the filter screen of certain order number; The dirt catcher two ends are the plug-in type fast interface, with plastic tube, adopt helicitic texture to be connected, and sealing gasket is equipped with in junction.

3. mining air-feeding type anti-dust respirator according to claim 1 is characterized in that: described mask main body adopts senior organic silica gel material nontoxic, tasteless, not chafe mold pressing to make, laminating people's shape of face; Two discharge pores are arranged at the mask main body bottom, for exhaust; Respectively there is a fresh air inlet both sides, top, and the breathing valve block is equipped with in the fresh air inlet inboard, and the outside is connected with the air intake flexible pipe; The air intake flexible pipe is fixed in the mask main body surface by the nylon elastic cord; The two-way blast pipe is connected with the wind-guiding flexible pipe by a three-way connection with fast interface structure.