CN214512319U

CN214512319U - Gas mask with built-in defogging function

Info

Publication number: CN214512319U
Application number: CN202120341748.3U
Authority: CN
Inventors: 叶晓林
Original assignee: Xiamen Anjianhuan Industry And Trade Co ltd
Current assignee: Xiamen Anjianhuan Industry And Trade Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-10-29
Anticipated expiration: 2031-02-06

Abstract

The utility model relates to the technical field of gas masks, in particular to a gas mask with a built-in defogging function, which comprises a mask body and a lens, wherein the lens is arranged at the inner side of the front end of the mask body, the puller is pulled to drive a second stay cord to be put outside so as to drive a second rotating shaft to rotate, a clockwork spring contracts, the second rotating shaft drives the first rotating shaft at the front end to rotate so as to roll a first stay cord, the first spring is compressed, meanwhile, the first spring drives a wiping layer to wipe the lens through a fixed plate, when the second stay cord is pulled until the lens cannot be pulled, the puller is loosened, the first spring in a compressed state resets to push the fixed plate to drive the wiping layer to return, thereby realizing the back-and-forth wiping of the lens, the clockwork spring resets simultaneously, the second rotating shaft and the first rotating shaft thereby conveniently roll the second stay cord, simultaneously, the first stay cord is put outside, the puller is repeatedly pulled and loosened, realize the reliable defogging of having the fog lens, avoid the staff to take off the face guard and carry out the defogging, increase the practicality of device.

Description

Gas mask with built-in defogging function

Technical Field

The utility model relates to a respirator technical field specifically is a respirator of built-in defogging function.

Background

The gas mask is used as a personal protective device and is used for providing effective protection for respiratory organs, eyes and facial skin of a person, the gas mask is an important component of the gas mask and is a component for isolating the face of the person from outside toxic air, the gas mask consists of a mask, a gas guide pipe and a canister, the mask can be directly connected with the canister for use or connected with the canister for use by the gas guide pipe, and the gas mask can be respectively selected from canisters of various types according to the protection requirements and applied to chemical industry, warehouses, scientific research and various toxic and harmful operating environments.

The gas mask is influenced by breathing of workers during use, water mist is generated, the lenses become fuzzy, the gas mask is not beneficial to the workers to work, the gas mask is easily taken down to demist the lenses, the possibility of poisoning is increased, the health of the workers is influenced, the facial features of the workers are different, and the nose pads with fixed sizes are not beneficial to the gas mask to be worn by different workers, so that the application range of the gas mask is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas mask of built-in defogging function to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a gas mask with a built-in defogging function comprises a mask body and lenses, wherein the lenses are arranged on the inner side of the front end of the mask body, one end of each lens is fixedly connected with a second connecting rod, the rear end of each second connecting rod is fixedly connected with a first connecting rod, the rear end of each first connecting rod is fixedly connected with a connecting plate, the inner side of each connecting plate is slidably connected with a clamping block, the bottom end of each clamping block is fixedly connected with a connecting block, the bottom end of each connecting block is fixedly connected with a nose support, the inner side of each connecting plate is provided with a second sliding rod which is slidably connected with the connecting block, the outer side of each second sliding rod is provided with a second spring, the two ends of each second spring are respectively fixedly connected with the connecting plate and the connecting block, the inner side of the rear end of the mask body is rotatably connected with a first rotating shaft, the outer side of the first rotating shaft is fixedly connected with a first clamping plate, and the outer side of the first rotating shaft is provided with a first pull rope, the inner side of the front end of the face mask is fixedly connected with a second fixed block, one end of the second fixed block is fixedly connected with a first sliding rod, the outer side of the first sliding rod is slidably connected with a fixed plate, the front end of the fixed plate is fixedly connected with a wiping layer, the wiping layer is positioned between the lens and the connecting plate, the outer side of the first sliding rod is provided with a first spring, the two ends of the first spring are respectively fixedly connected with the fixed plate and the second fixed block, the top end of the fixed plate is fixedly connected with a first fixed block, one end of the first fixed block is fixedly connected with a first pull rope, the rear end of the first rotating shaft is fixedly connected with a second rotating shaft, the outer side of the second rotating shaft is fixedly connected with a second clamping plate, the outer side of the second rotating shaft is fixedly connected with a clockwork spring, the other end of the clockwork spring is fixedly connected with the face mask, and the outer side of the second rotating shaft is provided with a second pull rope, and the bottom end of the second pull rope is fixedly connected with a pull head.

Preferably, the first sliding rod and the second sliding rod are both rectangular in cross section.

Preferably, the second rotating shaft is located on the outer side of the mask, and the first rotating shaft seals at the rotation position of the mask.

Preferably, the inner side of the bottom end of the connecting plate is provided with a sliding groove, and the clamping block is in sliding connection with the connecting plate through the sliding groove.

Preferably, the wipe layer is made of a sponge.

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

1. in the utility model, the water mist on the lens can be conveniently cleaned through the arranged first pull rope, the second pull rope, the first spring, the first sliding rod, the first rotating shaft, the second rotating shaft, the fixed plate, the cleaning layer, the first clamping plate, the second clamping plate and the pull head, the pull head is pulled, the pull head drives the second pull rope outside the second rotating shaft to be placed outside so as to drive the second rotating shaft to rotate, the clockwork spring contracts, the second rotating shaft drives the first rotating shaft at the front end to rotate, thereby the first pull rope outside the first rotating shaft is wound, the first spring is compressed, simultaneously the first spring drives the cleaning layer to clean the lens through the fixed plate under the limit of the sliding connection of the fixed plate and the first sliding rod, the pull head is loosened when the second pull rope cannot be pulled, the first spring in a compressed state resets, the fixed plate is pushed to drive the cleaning layer to return, thereby realizing the back-and forth cleaning of the lens, simultaneously clockwork spring resets, thereby second axis of rotation and first axis of rotation rotate convenient rolling second stay cord under the combined action of first spring and clockwork spring, put first stay cord outward simultaneously, stimulate repeatedly and loosen the pull head, realize the reliable defogging of having the fog lens, avoid the staff to take off the face guard and carry out the defogging, guarantee staff's security, increase the practicality of device.

2. The utility model discloses in, fixture block through setting up, the second slide bar, the second spring, the connecting plate, nose holds in the palm and the connecting block, can guarantee that gas mask satisfies wearing of different staff, when the staff of different nose bridge widths wears the face guard during the use, gas mask makes its laminating staff's nose bridge because self weight pushes down the nose support, the second spring compression, under fixture block and connecting plate sliding connection and second slide bar and connecting block sliding connection's spacing, the nose holds in the palm reliably shifts up and makes its interval increase, reliable laminating staff's the bridge of the nose, satisfy wearing of different nose bridge width staff, and wear the back that finishes, the second spring of compression state resets, drive the nose and hold in the palm the downward movement, thereby satisfy the reliable wearing of different staff to the face guard, increase the practicality of device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the installation structure of the clockwork spring of the present invention;

fig. 5 is a schematic structural diagram of the point C in fig. 4 according to the present invention.

In the figure: 1-face mask, 2-first connecting rod, 3-fixing plate, 4-wiping layer, 5-second connecting rod, 6-first pull rope, 7-first splint, 8-first rotating shaft, 9-lens, 10-first sliding rod, 11-first spring, 12-first fixing block, 13-second sliding rod, 14-nose support, 15-second spring, 16-connecting plate, 17-clamping block, 18-connecting block, 19-second splint, 20-clockwork spring, 21-second pull rope, 22-pull head, 23-second rotating shaft and 24-second fixing block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a gas mask with a built-in demisting function comprises a mask 1 and lenses 9, wherein the inner side of the front end of the mask 1 is provided with the lenses 9, one end of each lens 9 is fixedly connected with a second connecting rod 5, the rear end of each second connecting rod 5 is fixedly connected with a first connecting rod 2, the rear end of each first connecting rod 2 is fixedly connected with a connecting plate 16, the inner side of each connecting plate 16 is slidably connected with a fixture block 17, the bottom end of each fixture block 17 is fixedly connected with a connecting block 18, the bottom end of each connecting block 18 is fixedly connected with a nose support 14, the inner side of each connecting plate 16 is provided with a second sliding rod 13, the second sliding rods 13 are slidably connected with the connecting blocks 18, the outer side of each second sliding rod 13 is provided with a second spring 15, the two ends of each second spring 15 are respectively fixedly connected with the connecting plates 16 and the connecting blocks 18, the inner side of the rear end of the mask 1 is rotatably connected with a first rotating shaft 8, the outer side of the first rotating shaft 8 is fixedly connected with a first clamping plate 7, a first pull rope 6 is arranged on the outer side of the first rotating shaft 8, a second fixed block 24 is fixedly connected on the inner side of the front end of the face mask 1, a first sliding rod 10 is fixedly connected at one end of the second fixed block 24, a fixed plate 3 is slidably connected on the outer side of the first sliding rod 10, a wiping layer 4 is fixedly connected at the front end of the fixed plate 3, the wiping layer 4 is positioned between the lens 9 and the connecting plate 16, a first spring 11 is arranged on the outer side of the first sliding rod 10, two ends of the first spring 11 are respectively fixedly connected with the fixed plate 3 and the second fixed block 24, a first fixed block 12 is fixedly connected at the top end of the fixed plate 3, one end of the first fixed block 12 is fixedly connected with the first pull rope 6, a second rotating shaft 23 is fixedly connected at the rear end of the first rotating shaft 8, a second clamping plate 19 is fixedly connected on the outer side of the second rotating shaft 23, a clockwork spring 20 is fixedly connected on the outer side of the second rotating shaft 23, and the other end of clockwork spring 20 and face guard 1 fixed connection, the outside of second axis of rotation 23 is provided with second stay cord 21, and the bottom fixedly connected with pull head 22 of second stay cord 21, pull head 22 realizes the convenient pulling of first stay cord 6 and second stay cord 21 in the use, clockwork spring 20 resets with first spring 11 and drives second axis of rotation 23 and the convenient rotation of first axis of rotation 8, second spring 15 resets and drives nose support 14 and return to the starting point department, realize different staff's reliable wearing, first connecting rod 2 realizes the reliable connection of nose support 14 and second connecting rod 5, avoid fixed plate 3 to drive to wipe taking place when layer 4 removes to interfere simultaneously.

The cross sections of the first sliding rod 10 and the second sliding rod 13 are rectangular, the first sliding rod 10 with the rectangular cross section ensures the stable sliding of the fixing plate 3 in the use process, and the second sliding rod 13 with the rectangular cross section ensures the stable movement of the nose support 14; the second rotating shaft 23 is positioned on the outer side of the face mask 1, the rotating positions of the first rotating shaft 8 and the face mask 1 are sealed, so that the outside air is prevented from entering the face mask 1 in the using process to influence the safety of workers, and meanwhile, the first rotating shaft 8 and the second rotating shaft 23 are fixedly connected to ensure that the first pull rope 6 and the second pull rope 21 drive the wiping layer 4 to reliably wipe the lens 9; a sliding groove is formed in the inner side of the bottom end of the connecting plate 16, the clamping block 17 is connected with the connecting plate 16 in a sliding mode through the sliding groove, and the nose support 14 can slide stably in the using process; the wiping layer 4 is made of sponge, and ensures the reliable wiping of the lens 9 in the using process.

The working process is as follows: the utility model discloses a device can conveniently clean the water smoke on lens 9, pull head 22, pull head 22 drives the second stay cord 21 of second axis of rotation 23 outside and puts so as to drive second axis of rotation 23 and rotate, clockwork spring 20 contracts, second axis of rotation 23 drives the first axis of rotation 8 of front end and rotates, thereby roll up the first stay cord 6 of first axis of rotation 8 outside, first spring 11 compresses, first spring 11 drives through fixed plate 3 and cleans layer 4 and lens 9 under the spacing of fixed plate 3 and first slide bar 10 sliding connection simultaneously, when pulling second stay cord 21 and can not pulling, loosen pull head 22, the first spring 11 of compression state resets, promote fixed plate 3 and drive layer 4 and return, thereby realize wiping back and forth of lens 9, simultaneously clockwork spring 20 resets, second axis of rotation 23 and first axis of rotation 8 rotate under the combined action of first spring 11 and clockwork spring 20 thereby convenient rolling second stay cord 21, meanwhile, the first pull rope 6 is placed outside, the pull head 22 is pulled and loosened repeatedly, reliable demisting of the fogging lenses 9 is realized, demisting of workers when taking down the face mask 1 is avoided, safety of the workers is guaranteed, can ensure that the gas mask 1 can meet the wearing requirements of different workers, when the gas mask 1 is worn by the workers with different nose bridge widths, the gas mask 1 presses the nose support 14 downwards to be attached to the bridge of the nose of the worker due to the self weight, the second spring 15 is compressed, under the limit of the sliding connection of the fixture block 17 and the connecting plate 16 with the sliding connection of the second sliding rod 13 and the connecting block 18, the nose support 14 can reliably move upwards to increase the distance between the nose support and the nose bridge of the worker, so that the nose support can reliably fit the nose bridge of the worker, the wearing requirements of the workers with different nose bridge widths can be met, after the mask 1 is worn, the second spring 15 in the compressed state resets to drive the nose support 14 to move downwards, so that the mask 1 can be worn reliably by different workers.

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 built-in defogging function's respirator, includes face guard (1) and lens (9), its characterized in that: the mask is characterized in that a lens (9) is arranged on the inner side of the front end of the mask (1), a second connecting rod (5) is fixedly connected to one end of the lens (9), a first connecting rod (2) is fixedly connected to the rear end of the second connecting rod (5), a connecting plate (16) is fixedly connected to the rear end of the first connecting rod (2), a clamping block (17) is slidably connected to the inner side of the connecting plate (16), a connecting block (18) is fixedly connected to the bottom end of the clamping block (17), a nose support (14) is fixedly connected to the bottom end of the connecting block (18), a second sliding rod (13) is arranged on the inner side of the connecting plate (16), the second sliding rod (13) is slidably connected with the connecting block (18), a second spring (15) is arranged on the outer side of the second sliding rod (13), and two ends of the second spring (15) are fixedly connected with the connecting plate (16) and the connecting block (18) respectively, the inner side of the rear end of the face mask (1) is rotatably connected with a first rotating shaft (8), the outer side of the first rotating shaft (8) is fixedly connected with a first clamping plate (7), the outer side of the first rotating shaft (8) is provided with a first pull rope (6), the inner side of the front end of the face mask (1) is fixedly connected with a second fixing block (24), one end of the second fixing block (24) is fixedly connected with a first sliding rod (10), the outer side of the first sliding rod (10) is slidably connected with a fixing plate (3), the front end of the fixing plate (3) is fixedly connected with a wiping layer (4), the wiping layer (4) is positioned between a lens (9) and a connecting plate (16), the outer side of the first sliding rod (10) is provided with a first spring (11), and the two ends of the first spring (11) are respectively fixedly connected with the fixing plate (3) and the second fixing block (24), the utility model discloses a mask, including fixed plate (3), the first fixed block of top fixedly connected with (12), and the one end and the first stay cord (6) fixed connection of first fixed block (12), the rear end fixedly connected with second axis of rotation (23) of first axis of rotation (8), the outside fixedly connected with second splint (19) of second axis of rotation (23), the outside fixedly connected with clockwork spring (20) of second axis of rotation (23), and the other end and face guard (1) fixed connection of clockwork spring (20), the outside of second axis of rotation (23) is provided with second stay cord (21), and the bottom fixedly connected with pull head (22) of second stay cord (21).

2. A respirator with built-in defogging function as recited in claim 1, wherein: the cross sections of the first sliding rod (10) and the second sliding rod (13) are rectangular.

3. A respirator with built-in defogging function as recited in claim 1, wherein: the second rotating shaft (23) is positioned on the outer side of the face mask (1), and the rotating positions of the first rotating shaft (8) and the face mask (1) are sealed.

4. A respirator with built-in defogging function as recited in claim 1, wherein: the bottom end inner side of the connecting plate (16) is provided with a sliding groove, and the clamping block (17) is connected with the connecting plate (16) in a sliding mode through the sliding groove.

5. A respirator with built-in defogging function as recited in claim 1, wherein: the wiping layer (4) is made of sponge.