Industrial dustproof mask

Abstract

The utility model discloses an industrial dust mask which comprises a mask body, breathing holes are formed in the outer wall of the mask body and located on the two sides, connecting pipes are fixedly arranged at the outer ends of the breathing holes and located on the outer wall of the mask body, check rings are fixedly arranged on the inner walls of the connecting pipes, and adsorption cotton is arranged on the upper end faces of the check rings. An activated carbon adsorption plate is arranged on the upper end face of the adsorption cotton, a filter plate is arranged on the upper end face of the activated carbon adsorption plate, a threaded buckle cover is arranged at the upper end of the filter plate, and the threaded buckle cover is in threaded connection with the connecting pipe, so that a user can disassemble the adsorption cotton, the activated carbon adsorption plate and the filter plate through the threaded buckle cover; and later cleaning and replacement are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of masks, and more specifically, to an industrial dust mask. Background Art

[0002] The health of working people has received widespread attention from the society. However, the current working environment is relatively poor, with a high concentration of dust in the air, which seriously threatens the health of workers. However, after long-term use, the air intake of current industrial dust masks decreases seriously, making it inconvenient to clean the inside, resulting in the masks being uncomfortable to wear in the later stage. In addition, the tensioning straps and masks of traditional dust masks are mostly integrated structures, so when the tensioning straps are damaged, they need to be replaced as a whole, which results in high cost of use. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the problems existing in the prior art, the utility model provides an industrial dust mask to solve the technical problem mentioned in the background technology that the air intake of the current industrial dust mask decreases seriously after long-term use, and it is inconvenient to clean the inside, resulting in the mask being uncomfortable to wear in the later stage.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an industrial dust mask, comprising a mask body, breathing holes are opened on the outer wall of the mask body and on both sides, connecting pipes are fixedly provided at the outer ends of the breathing holes and on the outer wall of the mask body, a retaining ring is fixedly provided on the inner wall of the connecting pipe, the upper end face of the retaining ring is provided with adsorption cotton, the upper end face of the adsorption cotton is provided with an activated carbon adsorption plate, the upper end face of the activated carbon adsorption plate is provided with a filter plate, the upper end of the filter plate is provided with a threaded buckle cover, the threaded buckle cover is threadedly connected to the connecting pipe, a connecting frame is provided on the outer wall of the mask body, the connecting frame is provided with four groups and arranged in a rectangular shape, connecting blocks are slidably provided inside the connecting frame, and elastic bands are fixedly provided between two of the connecting blocks.

[0007] The utility model is further configured such that locking pins are slidably provided on the connecting frame, locking holes are opened on the connecting blocks, and the lower ends of the locking pins pass through the connecting frame and are located inside the locking holes, so as to facilitate fixing of the elastic band.

[0008] The utility model is further configured that a pull block is fixedly provided at the upper end of the locking pin, and a spring is fixedly provided between the pull block and the connecting frame to facilitate the locking pin to enter the locking hole.

[0009] The utility model is further configured such that a mounting block is provided on the lower end surface of the mask body, a triangular pocket is fixedly provided on the lower end surface of the mounting block, and a first strap and a second strap are fixedly provided on the inner wall of the triangular pocket and on both sides, so as to increase the firmness of the mask body when worn.

[0010] The utility model is further configured such that a first Velcro is provided on the outer wall of the first strap, and a second Velcro is provided on the inner wall of the second strap, and the first Velcro and the second Velcro are correspondingly arranged to facilitate fixing the first strap and the second strap.

[0011] The utility model is further configured such that the triangular pocket is made of soft cloth material, so as to increase the comfort when being worn.

[0012] The utility model is further configured that a vent hole is opened on the outer wall of the threaded buckle cover, and the vent hole is connected with the breathing hole to facilitate the wearer to breathe normally.

[0013] The utility model is further configured such that a contact plate is provided on the lower end face of the retaining ring, the outer wall of the contact plate is flush with the inner wall of the mask body, and is threadedly mounted with the inner wall of the breathing hole, and a through hole is opened on the contact plate to facilitate shielding the bottom of the breathing hole, making it more comfortable to wear.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an industrial dust mask with the following beneficial effects:

[0016] 1. By setting the mask body, breathing holes, connecting tube, retaining ring, adsorbent cotton, activated carbon adsorption plate, filter plate and threaded buckle cover, the user can disassemble the adsorbent cotton, activated carbon adsorption plate and filter plate inside the connecting tube by removing the threaded buckle cover, so as to facilitate later cleaning and replacement to prevent blockage.

[0017] 2. By providing a connecting frame, a connecting block, an elastic band, a locking pin, a locking hole, a pulling block and a spring, the user can pull the pulling block upward to disengage one end of the locking pin from the locking hole. At this time, the connecting block can be taken out from the inside of the connecting frame to facilitate the disassembly and replacement of the elastic band, thereby reducing the use cost of the device.

[0018] 3. By providing the triangular pocket, the first strap, the second strap, the first Velcro and the second Velcro, the user can first hold the chin with the triangular pocket, then wrap the first strap and the second strap behind the head, and fix them with the first Velcro and the second Velcro, so as to further increase the firmness of the mask body when worn. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is an overall schematic diagram of an industrial dust mask when not in use;

[0020] Figure 2 This is an exploded view of the installation of the adsorption cotton, activated carbon adsorption plate, filter plate and threaded buckle cover on the mask body;

[0021] Figure 3 This is a schematic diagram of the positions of the breathing hole, connecting pipe, retaining ring, connecting frame and spring on the mask body;

[0022] Figure 4 It is a schematic diagram of the position of the elastic band on the connecting block;

[0023] Figure 5 This is an exploded view of the installation of the connecting frame and locking pin on the mask body.

[0024] In the figure: 1. mask body; 2. breathing hole; 3. connecting pipe; 4. retaining ring; 5. adsorption cotton; 6. activated carbon adsorption plate; 7. filter plate; 8. threaded buckle cover; 9. connecting frame; 10. connecting block; 11. elastic band; 12. locking pin; 13. locking hole; 14. pull block; 15. spring; 16. mounting block; 17. triangle pocket; 18. first strap; 19. second strap; 20. first Velcro; 21. second Velcro; 22. vent; 23. contact plate; 24. through hole. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0028] See also Figure 1-5, an industrial dust mask, comprising a mask body 1, breathing holes 2 are opened on the outer wall of the mask body 1 and on both sides, connecting pipes 3 are fixedly provided at the outer ends of the breathing holes 2 and on the outer wall of the mask body 1, a retaining ring 4 is fixedly provided on the inner wall of the connecting pipe 3, an adsorption cotton 5 is provided on the upper end surface of the retaining ring 4, an activated carbon adsorption plate 6 is provided on the upper end surface of the adsorption cotton 5, a filter plate 7 is provided on the upper end surface of the activated carbon adsorption plate 6, a threaded buckle cover 8 is provided on the upper end of the filter plate 7, and the threaded buckle cover 8 is threadedly connected to the connecting pipe 3, a connecting frame 9 is provided on the outer wall of the mask body 1, and the connecting frame 9 is provided with four groups and arranged in a rectangular shape, and connecting blocks 10 are slidably provided inside the connecting frame 9, and an elastic belt 11 is fixedly provided between the two connecting blocks 10, and a vent 22 is opened on the outer wall of the threaded buckle cover 8, and the vent 22 is connected to the breathing hole 2.

[0029] In this embodiment, locking pins 12 are slidably provided on the connecting frame 9, locking holes 13 are opened on the connecting blocks 10, the lower ends of the locking pins 12 pass through the connecting frame 9 and are located inside the locking holes 13, the upper ends of the locking pins 12 are fixedly provided with pull blocks 14, and springs 15 are fixedly provided between the pull blocks 14 and the connecting frame 9.

[0030] More specifically, the user can remove the adsorption cotton 5, activated carbon adsorption plate 6 and filter plate 7 inside the connecting tube 3 by removing the threaded buckle cover 8, so as to facilitate their later cleaning and replacement to prevent clogging. When the elastic band 11 needs to be replaced, the pull block 14 can be pulled upward to disengage one end of the locking pin 12 from the locking hole 13. At this time, the connecting block 10 can be taken out from the inside of the connecting frame 9 to facilitate the disassembly and replacement of the elastic band 11, thereby reducing the use cost of the device.

[0031] See also Figure 1 As an implementation method for making the mask body 1 more secure to wear: a mounting block 16 is provided on the lower end surface of the mask body 1, and a triangular pocket 17 is fixedly provided on the lower end surface of the mounting block 16, and a first strap 18 and a second strap 19 are fixedly provided on the inner wall of the triangular pocket 17 and on both sides, a first Velcro 20 is provided on the outer wall of the first strap 18, and a second Velcro 21 is provided on the inner wall of the second strap 19, the first Velcro 20 and the second Velcro 21 are correspondingly arranged, and the triangular pocket 17 is made of soft cloth.

[0032] Specifically, when wearing the mask, the user can first hold the chin with the triangular pocket 17, then wrap the first strap 18 and the second strap 19 behind the head, and fix them with the first Velcro 20 and the second Velcro 21 to increase the firmness of the mask body 1.

[0033] Please refer to Figure 2As a further implementation method for making the mask body 1 more comfortable to wear: a contact plate 23 is provided on the lower end surface of the retaining ring 4, the outer wall of the contact plate 23 is flush with the inner wall of the mask body 1, and is threadedly installed with the inner wall of the breathing hole 2, and a through hole 24 is opened on the contact plate 23.

[0034] Specifically, the bottom of the breathing hole 2 can be blocked to prevent strangulation of the face.

[0035] To sum up, when the overall device is in use: when the mask body 1 is used for a long time, the user can remove the adsorption cotton 5, activated carbon adsorption plate 6 and filter plate 7 inside the connecting tube 3 by removing the threaded buckle cover 8, so as to facilitate later cleaning and replacement to prevent clogging. When the elastic band 11 is damaged, the pull block 14 can be pulled upward to disengage one end of the locking pin 12 from the locking hole 13. At this time, the connecting block 10 can be taken out from the inside of the connecting frame 9 to facilitate the disassembly and replacement of the elastic band 11, thereby reducing the use cost of the device. After wearing the device, the user can also support the chin with the triangular pocket 17, and then wrap the first strap 18 and the second strap 19 around the back of the head, and fix them with the first Velcro 20 and the second Velcro 21 to further increase the firmness of the mask body 1 when worn.

[0036] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. An industrial dust mask, comprising a mask body (1), characterized in that: Breathing holes (2) are provided on the outer wall of the mask body (1) and on both sides thereof; a connecting pipe (3) is fixedly provided at the outer ends of the breathing holes (2) and on the outer wall of the mask body (1); a retaining ring (4) is fixedly provided on the inner wall of the connecting pipe (3); an adsorption cotton (5) is provided on the upper end surface of the retaining ring (4); an activated carbon adsorption plate (6) is provided on the upper end surface of the adsorption cotton (5); a filter plate (7) is provided on the upper end surface of the activated carbon adsorption plate (6); a threaded buckle cover (8) is provided on the upper end of the filter plate (7); the threaded buckle cover (8) is threadedly connected to the connecting pipe (3); a connecting frame (9) is provided on the outer wall of the mask body (1); four groups of the connecting frames (9) are arranged in a rectangular shape; connecting blocks (10) are slidably provided inside the connecting frame (9); and an elastic band (11) is fixedly provided between two connecting blocks (10).

2. An industrial dust mask according to claim 1, characterized in that: The connecting frame (9) is slidably provided with a locking pin (12), the connecting block (10) is provided with a locking hole (13), and the lower end of the locking pin (12) passes through the connecting frame (9) and is located inside the locking hole (13).

3. An industrial dust mask according to claim 2, characterized in that: A pull block (14) is fixedly provided at the upper end of the locking pin (12), and a spring (15) is fixedly provided between the pull block (14) and the connecting frame (9).

4. An industrial dust mask according to claim 1, characterized in that: The lower end surface of the mask body (1) is provided with a mounting block (16), the lower end surface of the mounting block (16) is fixedly provided with a triangular pocket (17), and a first binding strap (18) and a second binding strap (19) are fixedly provided on the inner wall and on both sides of the triangular pocket (17).

5. An industrial dust mask according to claim 4, characterized in that: A first Velcro (20) is provided on the outer wall of the first binding strap (18), and a second Velcro (21) is provided on the inner wall of the second binding strap (19), and the first Velcro (20) and the second Velcro (21) are arranged correspondingly.

6. An industrial dust mask according to claim 4, characterized in that: The triangular pocket (17) is made of soft cloth.

7. An industrial dust mask according to claim 1, characterized in that: A vent hole (22) is provided on the outer wall of the threaded buckle cover (8), and the vent hole (22) is communicated with the breathing hole (2).

8. The industrial dust mask according to claim 1, characterized in that: A contact plate (23) is provided on the lower end surface of the retaining ring (4), the outer wall of the contact plate (23) is flush with the inner wall of the mask body (1) and is threadedly mounted on the inner wall of the breathing hole (2), and a through hole (24) is opened on the contact plate (23).

Images