CN211158244U

CN211158244U - Gas mask capable of conveniently demisting

Info

Publication number: CN211158244U
Application number: CN201921975096.8U
Authority: CN
Inventors: 韩非; 韩彬; 肖曙
Original assignee: Anhui Qianlong Electromechanical Technology Co ltd
Current assignee: Anhui Qianlong Electromechanical Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-04
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a can make things convenient for gas mask of defogging, including the face guard body, two observation lens barrels of fixedly connected with on the face guard body, fixedly connected with lens in the observation lens barrel, fixedly connected with installation cover between the top of two observation lens barrels, rotate through the pivot in the installation cover and install two dwangs, two dwangs extend to in two observation lens barrels respectively and mobile, one side that the dwang is close to the lens has the defogging brush hair, the defogging brush hair contacts with the lens, still fixedly connected with gear in the pivot, slidable mounting has the horizontal slip strip in the installation cover, the first rack of the equal fixedly connected with in bottom both sides of horizontal slip strip, two first racks mesh with two corresponding gears respectively. The utility model discloses the structure is ingenious, and convenient to use can be convenient take out water smoke, compares with prior art, and this gas mask uses more conveniently, can not take place to influence the condition of sight because of having too much water smoke on the lens.

Description

Gas mask capable of conveniently demisting

Technical Field

The utility model belongs to the gas mask field, concretely relates to gas mask that can make things convenient for defogging.

Background

Gas masks are used as personal protective equipment to provide effective protection to the respiratory organs, eyes and facial skin of a person. The mask is an important component of a gas mask and is a component that isolates the face of a person from the outside contaminated air. The gas mask consists of a face mask, a gas-guide tube and a canister, and the face mask can be directly connected with the canister for use or connected with the canister for use by the gas-guide tube. The gas mask can be applied to chemical industry, warehouses, scientific research and various toxic and harmful operating environments by respectively selecting various types of gas canisters according to protection requirements.

Most of the existing gas masks do not have a demisting mechanism, and the exhaled hot air can generate water mist on the inner wall of the observation lens of the gas mask when the gas mask is worn, so that the sight of a wearer is influenced, and inconvenience is caused to the use of the gas mask.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can make things convenient for gas mask of defogging to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a mask body, two observation lens barrels are fixedly connected on the mask body, lenses are fixedly connected in the observation lens barrels, a mounting cover is fixedly connected between the top ends of the two observation lens barrels, two rotating rods are rotatably mounted in the mounting cover through a rotating shaft and respectively extend into the two observation lens barrels and can move, demisting bristles are arranged on one side of the rotating rods close to the lenses and are in contact with the lenses, gears are also fixedly connected on the rotating shaft, a horizontal sliding strip is slidably mounted in the mounting cover, first racks are fixedly connected on two sides of the bottom end of the horizontal sliding strip and are respectively meshed with the corresponding two gears, a first fixing plate and a second fixing plate are respectively fixedly connected on two sides of the top end of the horizontal sliding strip, and a first reset spring and a second reset spring are respectively fixedly connected on one side, far away from each other, of the first fixing plate and the, one end of the first return spring and one end of the second return spring are fixedly connected with the inner walls of the two sides of the mounting cover respectively, a driving mechanism of the horizontal sliding strip is mounted in the mounting cover, and the mounting cover is designed in a sealing mode.

Preferably, the driving mechanism comprises a speed reducing motor, an output shaft of the speed reducing motor is fixedly connected with an incomplete gear, a second rack is fixedly connected to the top end of the horizontal sliding strip, and the second rack is meshed with the incomplete gear.

Preferably, actuating mechanism has seted up the mounting hole including the slide bar that the level set up on the installation cover, and fixed mounting has sliding sleeve in the mounting hole, and slide bar slidable mounting is in sliding sleeve's inside, and the slide bar extend to in the installation cover and with second fixed plate fixed connection, the other end of slide bar extends to the outside of installation cover.

Preferably, one end of the sliding rod extending to the outside of the mounting cover is fixedly connected with a pull ring, and a sealing elastic sleeve is fixedly connected between the outer side of the sliding rod and the outer wall of the mounting cover.

Preferably, a guide strip is fixedly connected between the inner walls of the two sides of the mounting cover, a guide through hole is formed in the horizontal sliding strip, and the guide strip penetrates through the horizontal sliding strip through the guide through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the horizontal sliding strip can be driven to horizontally reciprocate through the matching of the driving mechanism and the first return spring and the second return spring, so that the rotating rod is driven to reciprocate through the meshing of the first rack and the gear, and the defogging bristles are driven to reciprocate to erase water mist;

2. the incomplete gear is driven to rotate by the speed reducing motor, and the rotating rod can be driven to rotate clockwise by the engagement of the incomplete gear and the second rack, so that the water mist can be continuously erased by the reciprocating swing of the elastic rotating rod matched with the second return spring and the first return spring, the effect of automatically erasing the water mist can be achieved, and the use is convenient;

3. the sliding rod is additionally arranged, so that the horizontal sliding strip can be manually driven to move rightwards, the water mist can be continuously erased by reciprocating swing of the elastic rotating rod matched with the second return spring and the first return spring, the effect of automatically erasing the water mist can be achieved, the operation is simple and convenient, the operation can be carried out at any time, and a power supply does not need to be worn;

the utility model discloses the structure is ingenious, and convenient to use can be convenient take out water smoke, compares with prior art, and this gas mask uses more conveniently, can not take place to influence the condition of sight because of having too much water smoke on the lens.

Drawings

Fig. 1 is a front view of a lower mask body of a first driving mechanism of the present invention;

FIG. 2 is an enlarged schematic view of the position A of the present invention;

fig. 3 is a front view of a lower mask body of a second driving mechanism of the present invention;

fig. 4 is an enlarged schematic view of the position B of the present invention;

fig. 5 is a cross-sectional view of the horizontal sliding strip left view sheet of the present invention.

In the figure: 1. a mask body; 2. an observation lens barrel; 3. mounting a cover; 4. a rotating shaft; 5. rotating the rod; 6. a horizontal sliding bar; 7. a first rack; 8. a first fixing plate; 9. a second fixing plate; 10. a second return spring; 11. a first return spring; 12. a gear; 13. an incomplete gear; 14. a second rack; 15. demisting bristles; 16. a guide strip; 17. a lens; 18. a sliding sleeve; 19. a slide bar; 20. sealing the elastic sleeve; 21. and (4) a pull ring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-5, the present invention provides a respirator with convenient demisting function, which comprises: comprises a mask body 1, two observation lens barrels 2 are fixedly connected to the mask body 1, lenses 17 are fixedly connected to the inside of the observation lens barrels 2, the outside of the mask body 1 can be observed through the observation lens barrels 2 when a user wears the mask, an installation cover 3 is fixedly connected between the top ends of the two observation lens barrels 2, two rotating rods 5 are rotatably installed in the installation cover 3 through a rotating shaft 4, the two rotating rods 5 respectively extend into the two observation lens barrels 2 and can move, demisting bristles 15 are arranged on one sides of the rotating rods 5 close to the lenses 17, the demisting bristles 15 are in contact with the lenses 17, water mist generated by exhaled hot air on the lenses 17 can be erased through the movement of the demisting bristles 15, gears 12 are also fixedly connected to the rotating shaft 4, horizontal sliding strips 6 are slidably installed in the installation cover 3, first racks 7 are fixedly connected to two sides of the bottom ends of the horizontal sliding strips 6, and, when the horizontal sliding bar 6 moves horizontally, the first rack 7 can be driven to move horizontally, the first rack 7 can drive the rotating rod 5 to rotate through meshing with the gear 12, so as to drive the demisting brush 15 to move back and forth to wipe water mist, two sides of the top end of the horizontal sliding bar 6 are respectively and fixedly connected with the first fixing plate 8 and the second fixing plate 9, one sides of the first fixing plate 8 and the second fixing plate 9, which are far away from each other, are respectively and fixedly connected with the first return spring 11 and the second return spring 10, one end of the first return spring 11 and one end of the second return spring 10 are respectively and fixedly connected with the inner walls of two sides of the mounting cover 3, when the horizontal sliding bar 6 moves rightwards, one of the first return spring 11 and the second return spring 10 is compressed and stretched, so that the horizontal sliding bar 6 can return under the elastic force of the first return spring 11 and the second return spring 10, and a driving mechanism of the horizontal sliding bar 6 is, the mounting cup 3 is of a sealed design.

Wherein, the driving mechanism comprises a gear motor, an output shaft of the gear motor is fixedly connected with an incomplete gear 13, the top end of the horizontal sliding strip 6 is fixedly connected with a second rack 14, the second rack 14 is meshed with the incomplete gear 13, when the gear motor drives the incomplete gear 13 to rotate anticlockwise, the horizontal sliding strip 6 can be driven to move rightwards through the meshing of the incomplete gear 13 and the second rack 14, thereby driving the rotating rod 5 to rotate clockwise to erase the water mist, when the position of the incomplete gear 13 without gear teeth rotates to one side of the second rack 14, the horizontal sliding strip 6 can move leftwards to reset by the elasticity of the first return spring 11 and the second return spring 10, then the rotating rod 5 can be driven to rotate anticlockwise to erase the water mist, the incomplete gear 13 can drive the rotating rod 5 to swing to and fro to continuously erase the water mist, and the effect of automatically erasing the water mist can, is convenient to use.

Wherein, actuating mechanism includes the slide bar 19 that the level set up, the mounting hole has been seted up on the installation cover 3, fixed mounting has sliding sleeve 18 in the mounting hole, 19 slidable mounting of slide bar is in sliding sleeve 18's inside, and slide bar 19 extend to in the installation cover 3 and with second fixed plate 9 fixed connection, slide bar 19's the other end extends to the outside of installation cover 3, can drive horizontal slip strip 6 and move right through pulling slide bar 19 right, thereby can drive dwang 5 clockwise turning and erase the water smoke, when loosening slide bar 19, horizontal slip strip 6 can receive the elasticity of first reset spring 11 and second reset spring 10 and remove the reduction left, then can drive dwang 5 anticlockwise turning and erase the water smoke, can manually drive dwang 5 reciprocal swings and erase the water smoke, can go on at any time, need not to wear the power.

Wherein, the one end fixedly connected with that the slide bar 19 extends to the installation cover 3 outside conveniently pulls the pull ring 21 of slide bar 19, fixedly connected with sealed elastic sleeve 20 between the outside of slide bar 19 and the outer wall of installation cover 3, sealed elastic sleeve 20 can guarantee the leakproofness of face guard body 1.

Wherein, fixedly connected with gib block 16 between the both sides inner wall of installation cover 3, the direction through-hole has been seted up on horizontal slip strip 6, and gib block 16 runs through horizontal slip strip 6 through the direction through-hole, can guarantee the horizontal slip strip 6 can be stable the horizontal slip.

The utility model discloses a theory of operation and use flow: face guard body 1 area is overhead back in the area, the person of wearing observes the place ahead through observation lens cone 2, the inside at face guard body 1 can be stayed to the gas part of person of wearing exhalation, can lead to the inside generation water smoke of lens 17, thereby influence the person's sight of wearing, cooperation through actuating mechanism and first reset spring 11 and second reset spring 10 can drive the horizontal reciprocating motion of horizontal slip strip 6, thereby drive dwang 5 reciprocating swing through the meshing of first rack 7 with gear 12, thereby drive defogging brush hair 15 reciprocating motion and erase the water smoke.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a respirator that can conveniently defogging which characterized in that: comprises a mask body (1), two observation lens barrels (2) are fixedly connected to the mask body (1), lenses (17) are fixedly connected to the inside of the observation lens barrels (2), an installation cover (3) is fixedly connected between the top ends of the two observation lens barrels (2), two rotating rods (5) are rotatably installed in the installation cover (3) through rotating shafts (4), the two rotating rods (5) respectively extend into the two observation lens barrels (2) and can move, demisting bristles (15) are arranged on one sides of the rotating rods (5) close to the lenses (17), the demisting bristles (15) are contacted with the lenses (17), gears (12) are fixedly connected to the rotating shafts (4), horizontal sliding strips (6) are slidably installed in the installation cover (3), first racks (7) are fixedly connected to two sides of the bottom ends of the horizontal sliding strips (6), and the two first racks (7) are respectively meshed with the corresponding two gears (12), the top both sides of horizontal slip strip (6) are first fixed plate (8) of fixedly connected with and second fixed plate (9) respectively, one side that first fixed plate (8) and second fixed plate (9) kept away from each other is first reset spring (11) of fixedly connected with and second reset spring (10) respectively, the one end of first reset spring (11) and second reset spring (10) respectively with the both sides inner wall fixed connection of installing cover (3), install the actuating mechanism of horizontal slip strip (6) in installing cover (3), installing cover (3) are sealed design.

2. A respirator as defined in claim 1 that facilitates defogging, wherein: the driving mechanism comprises a speed reducing motor, an output shaft of the speed reducing motor is fixedly connected with an incomplete gear (13), the top end of the horizontal sliding strip (6) is fixedly connected with a second rack (14), and the second rack (14) is meshed with the incomplete gear (13).

3. A respirator as defined in claim 1 that facilitates defogging, wherein: actuating mechanism has seted up the mounting hole including slide bar (19) that the level set up on installation cover (3), and fixed mounting has sliding sleeve (18) in the mounting hole, and slide bar (19) slidable mounting is in the inside of sliding sleeve (18), and slide bar (19) extend to in installation cover (3) and with second fixed plate (9) fixed connection, the other end of slide bar (19) extends to the outside of installation cover (3).

4. A respirator as set forth in claim 3 wherein: one end of the sliding rod (19) extending to the outside of the mounting cover (3) is fixedly connected with a pull ring (21), and a sealing elastic sleeve (20) is fixedly connected between the outer side of the sliding rod (19) and the outer wall of the mounting cover (3).

5. A respirator as defined in claim 1 that facilitates defogging, wherein: fixedly connected with gib block (16) between the both sides inner wall of installation cover (3), seted up the direction through-hole on horizontal slip strip (6), gib block (16) run through horizontal slip strip (6) through the direction through-hole.