CN2074192U - Dust-proof unsuffocative mouthpiece - Google Patents

Abstract

The dust-proof unsuffocative mouthpiece of the utility model comprises an exhalation hole, an exhalation valve, an exhalation valve blouse, a filtering chamber in a clam-shaped arc case, and an inner interlayer with the suction holes and a suction valves is arranged in the case, the eraser parcel sponges strips are arranged on the flange of the case, the mask prevents the dust fixedly attaching the face with a good feeling. The utility model has the advantages of little dead space, air freshness and fluency, non suffocation sensation as a poison proof respirator, in particular to the high dust density labor places such as the coal mine, the tungsten ore, the cement mill and the board mill, etc.

Description

Dust-proof unsuffocative mouthpiece

The utility model is that materials such as a kind of non-toxic plastic are the dust proof and gas defence respiratory protection mouth mask of main body.

Mouth mask adularescent multilayer cotton cloth respirator commonly used, simple anti-dust respirator and band are breathed the anti-dust respirator of valve etc. on the existing market.The multilayer cotton cloth respirator is inexpensive, simple and have to a certain degree dust proof and gas defence function, but easily dirty, dust proof and gas defence power is little, only is applicable to medical and health department.Though simple anti-dust respirator has polyurethane sponge and calico layer dustproof, the gas of breathing out rests in the dead space, sucks again when air-breathing, and air is stale, and cavity temperature raises simultaneously, and the time is long slightly then to make very uncomfortable, stuffy, the sense of feeling suffocated of people.Band is breathed the anti-dust respirator of valve, then based on plastic casing, there is the expiration valve in central authorities, there is inlet valve both sides and filter are housed, air enters behind the inner chamber again to nasal cavity through filtering when air-breathing, but this kind mouth mask dead space is excessive, and the gas of exhalation rests in the dead space, there is considerable waste gas to enter in the body again along with air-breathing, causes air stale, uncomfortable gas sensation to be arranged, make the number of people dizzy.

The utility model is structurally upgraded, and has solved the common fault of above product, reduces dead space and makes fresh, smooth, the no stuffy nothing of the air sensation of feeling suffocated, and strengthened dust reduction capability widely, also can make anti-poison respirator and use.

The utility model is to suppress a freshwater mussel shape arc shell with materials such as non-toxic plastics.According to face, nose chew and chin in the recess shaped design go out the arc shell edge, stud with rubber bag sponge strip on the edge, make its closely connected face.There is the exhaling hole of a diameter 5 millimeter at the center of nose place triangle projective planum on housing; smooth one outside rubber tissue is made the expiration valve outside the hole, and waste gas is gone out the outlet valve discharge during expiration, seals automatically when air-breathing; prevent that dust from entering, valve is equipped with multi-orifice valve outward and covers outdoors and protected.The following 3 millimeters places of exhaling hole are provided with arcuation filter chambers such as 8 millimeters high rectangles of projection or ellipse garden shape, the chamber is about about 6 centimetres, the chamber is wide about about 3 centimetres, be that many pores are arranged on the housing wall at the bottom of the chamber, indoor have filter courses such as sponge calico, and outdoor filter chamber's lid that same shape is arranged also has many pores on the lid, air enters filter courses such as sponge calico from the pore of arcuation filter chamber lid when air-breathing, enters in the freshwater mussel shape housing by the inwall pore again.A vital arcuation internal portioning layer triangular in shape is established in position, exhaling hole lower edge in freshwater mussel shape housing, is clam shell body separated into two parts (see figure 3) top outlet chamber, and the bottom is an inlet chamber.The arc edge is closely connected goes up Hubei Province portion (nose with mouthful in the middle of), low and tilt from high to low to exhaling hole between the senior middle school of internal portioning layer both sides, and the condensed water that produces in the outlet chamber of top can be discharged voluntarily from exhaling hole.Be provided with the suction hole of two diameter 4 millimeter on the internal portioning layer over against the place, nostril, post thin rubber tissue by nose one side on the hole and make air intake valve, air in the inspiration freshwater mussel shape housing is washed intake valve inside on the internal portioning layer open and is closed automatically, and two valves are closed automatically by expiration and go out outside the outlet valve discharge side on the upper cavity wall during expiration.Because internal portioning layer is located at Hubei Province, freshwater mussel shape housing inner chamber separated into two parts, upper cavity is little, and the waste gas of exhalation is almost all discharged.During breathing, air inlet passes in and out from each bar road respectively with expiration.The air of inspiration enters the intake valve of going out after the lower cavity on the internal portioning layer through filter course, enter nasal cavity, outlet valve is closed simultaneously, extraneous dust must not enter, and waste gas is closed the internal portioning layer upper inlet valve during expiration, and the outlet valve from the upper cavity wall is in time discharged, it is few that dead space reduces the waste gas that makes in the upper cavity widely, feel the fresh smoothness of air when air-breathing, the time, the long temperature that also can not cause raise, and made the people uncomfortable, stuffy and feel suffocated.

Structure of the present utility model has greatly been dwindled dead space, and it is more to have solved the interior waste gas that stops of common anti-dust respirator dead space, and air is stale, and uncomfortable common fault of feeling suffocated has strengthened dustproof anti-pollution function simultaneously.Can be widely used in the high site for labours of dirt count such as industry, agricultural, particularly colliery, tungsten ore, cement plant, board mill, be the desirable articles for use of labour protection, dustproof, gas defence.

Accompanying drawing 1 is not have the front view of suppressing anti-dust respirator;

Accompanying drawing 2 is not have the side view of suppressing anti-dust respirator;

Accompanying drawing 3 is not have the A-A cross-sectional schematic of suppressing anti-dust respirator;

Accompanying drawing 4 is not have to suppress on the anti-dust respirator internal chamber wall arcuation internal portioning layer P triangular in shape to vertical view.

The utility model is to see Fig. 1 with the freshwater mussel shape arc shell 1(that non-toxic plastic suppresses thick 2 millimeter, 2,3), shell rim then goes out the arc shell edge according to nose, the shaped design of chewing side and chin concave, edge pastes rubber bag sponge strip 4 on the edge, can smooth face 8 millimeter, and can closely connected face when using like this, do not have protruding pain, relax soft and strengthened antifouling ability.The top of freshwater mussel shape arc shell, be positioned at the nose place one triangle projective planum is arranged, planar central is provided with the exhaling hole 8 of a diameter 5 millimeter, a smooth sticking rubber valve 7 outside the hole, (being affixed on the top in this hole during stickup), make it breath and wash rubber valve discharge on the exhaling hole 8 open, automatically close when air-breathing, prevent that dust from entering, valve is installed a porous outlet valve outer cover 2 outward again and is protected it, 3 millimeter places have one to protrude arcuation filter chambers such as the rectangle of high about 8 millimeter or ellipse garden shape under the exhaling hole, the chamber is long about 6 centimetres, and the chamber is wide about 3 centimetres, and outdoor have together that shape filter chamber lid 3 protects the filter chamber, many holes are arranged on the lid, indoor have a sponge, filter courses such as calico 5 are that many apertures are arranged on the housing wall at the bottom of the chamber, when air-breathing, air enters filter courses such as sponge from the pore of arcuation filter chamber lid, enters in the freshwater mussel shape housing by the inwall pore again.The both sides that are provided with a shape triangular in shape in the position freshwater mussel shape housing under exhaling hole are slightly high, the middle low slightly internal portioning layer 6(that tilts to exhaling hole from high to low sees Fig. 3,4), internal portioning layer is divided into two parts up and down to the clam shell intracoelomic cavity, the bottom is an inlet chamber, and top is outlet chamber.Condensed water in the outlet chamber is discharged exhaling hole along the gesture of inclining.Have over against nostril place on the internal portioning layer on suction hole 9 holes of two diameter 4 millimeter when pasting rubber tissue and can only stick on half by nostril one side album leave rubber valve 7(, second half can be movable), wash rubber valve on the internal portioning layer open and enter in the nasal cavity from lower cavity through the air of filter chamber when air-breathing, during expiration then on the internal portioning layer two valves close automatically and wash outlet valve on the upper cavity wall open.Arc triangle internal portioning layer arc edge is close to Hubei Province, and the edge pastes with rubber bag sponge strip edge equally and makes soft welt, makes it closely connected in last Hubei Province portion (nose is middle with mouth).Dwindled dead space so widely, the waste gas of exhalation is almost discharged upper cavity entirely, and air-breathing and expiration passes in and out from each bar road respectively again, and it is stale to have solved air, the uncomfortable sensation of feeling suffocated.Sponge, calico filter course water glue and wet during use, dustproof Li Gengjia, and moistening, pure and fresh sense is arranged.During water changed into and the various neutralization solutions such as acidity, alkalescence or suds of poison gas then have the gas defence effect.Chamber cap is movable to be taken off owing to filter, so filter courses such as sponge, calico will often be changed and keep hygienically clean and be used for various different situations.Mix the fixedly telescopic band 10 of usefulness up and down at housing, can wear and be enclosed within face and use.

Claims (2)

1, a kind of nothing is suppressed anti-dust respirator and is comprised: freshwater mussel shape arc shell 1, outlet valve outer cover 2, filter chamber's lid 3, rubber bag sponge strip 4, filter course 5, internal portioning layer 6, rubber valve 7, exhaling hole 8, suction hole 9, telescopic band 10 is characterized in that the position of exhaling facing to nose on the freshwater mussel shape arc shell 1 has exhaling hole 8 and is provided with outside rubber valve 7, and valve is equipped with outlet valve outer cover 2 with holes outward, position facing to the oral cavity on the housing 1 has some apertures, the filter chamber is housed outside the hole, the indoor filter course 5 that is lined with, outdoor have with shape filter chamber's lid 3 with holes, position in the housing under the exhaling hole 8 is equipped with the low internal portioning layer 6 that tilts to exhaling hole between the both sides senior middle school of arcuation triangular in shape, position over against the nostril on the internal portioning layer 6 has suction hole 9, and the hole is provided with rubber valve 7, internal portioning layer 6 edges and shell rim edge rubber bag sponge strip 4.

2, nothing according to claim 1 is suppressed anti-dust respirator, it is characterized in that housing mixes the fixedly telescopic band 10 of usefulness up and down.