CN210674044U

CN210674044U - Industrial mask

Info

Publication number: CN210674044U
Application number: CN201921711826.3U
Authority: CN
Inventors: 吴福全
Original assignee: Jiangxi Qiaowei Chemical Co ltd
Current assignee: Jiangxi Qiaowei Chemical Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-05
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an industrial mask relates to dust keeper technical field. The utility model discloses a stereoplasm gauze mask casing, the both sides on stereoplasm gauze mask casing upper portion all rotate and install the rotation axis, the outside of rotation axis one end is rotated and is connected with the bandeau, the outside of the rotation axis other end is rotated and is connected with the eye-shade, the equal fixed mounting in middle part of stereoplasm gauze mask casing both sides has the knob, the output fixed mounting of knob has the gear, the one end swing joint of stereoplasm gauze mask casing has the take-up band, the inside fixed mounting of the other end of stereoplasm gauze mask casing has filter equipment, filter equipment includes the mounting bracket framework, the pull board, the filter screen, the fixed plate, the bolt, compression spring. The utility model discloses a series of structural transformation make the device dress more firm, improved dustproof effect, and the change filter screen that the device can be swift, made things convenient for the dust on the intermittent type nature washing filter screen greatly.

Description

Industrial mask

Technical Field

The utility model relates to a dust keeper technical field, more specifically say, relate to an industrial mask.

Background

Industry dust mask has various, must be to different operation demands and operating condition during the selection, as half face guard, all industry dust mask all are fit for the environment that harmful concentration is no longer than ten times occupation contact limit value, otherwise just should use full face guard or the higher respirator of protection level, and current device dresses more firmly inadequately, and dustproof effect is relatively poor, and the change filter screen that the device can not be swift is unfavorable for the dust on the intermittent type nature washing filter screen, the utility model discloses a new solution is proposed to above problem.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an industrial mask to solve the technical problem who mentions in the background art.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An industrial mask comprises a hard mask shell, wherein rotating shafts are rotatably arranged on two sides of the upper portion of the hard mask shell, a head band is rotatably connected to the outer side of one end of each rotating shaft, a protective eye shield is rotatably connected to the outer side of the other end of each rotating shaft, knobs are fixedly arranged in the middles of two sides of the hard mask shell, gears are fixedly arranged at output ends of the knobs, a tightening belt is movably connected to one end of the hard mask shell, and a filtering device is fixedly arranged inside the other end of the hard mask shell;

the filter device comprises a mounting frame framework, a pull plate, a filter screen, a fixing plate, a bolt, a compression spring and a fixing ring, wherein the pull plate is fixed to the top of the mounting frame framework in a welded mode, the filter screen is fixedly mounted inside the mounting frame framework, the fixing plate is arranged on each of the two sides of the mounting frame framework, the bolt is connected to the inner side of the lower portion of the fixing plate in a penetrating mode, the compression spring is fixedly sleeved on the outer side of the middle portion of the bolt, and the fixing ring is fixed to one end of the.

Preferably, the bolt is coaxial with the fixed ring, and the bolt is connected with the fixed ring through welding.

In any of the above schemes, preferably, the two sides of the drawing plate are provided with anti-slip corrugations.

In any of the above schemes, preferably, the tightening belt is provided with rack teeth inside of both ends, and the rack teeth are engaged with the gear.

In any of the above aspects, the hard mask shell is preferably made of plastic.

In any of the above aspects, the headband and the tightening band are preferably made of flexible rubber.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the utility model discloses a both sides of handing stereoplasm gauze mask casing dress the head with stereoplasm gauze mask casing, rotate the bandeau and rotate around the rotation axis, make the bandeau place the appropriate position at top of the head, thereby adjust stereoplasm gauze mask casing to appropriate height, make filter equipment aim at the oronasal position of human body, twist reverse the knob simultaneously, make the knob drive gear revolve, make the gear can drive the take-up belt and carry out the elasticity regulation, accomplish the dress to stereoplasm gauze mask casing, make the device wear more firm, improved dustproof effect;

(2) the utility model discloses an one end of pulling bolt for the other end of bolt breaks away from with the both sides draw-in groove of mounting bracket framework, handheld pull board pulls the mounting bracket framework downwards simultaneously, wash or change the mounting bracket framework, insert the inside of stereoplasm gauze mask casing with the mounting bracket framework again, make compression spring's elasticity can promote the bolt to a side motion of mounting bracket framework, lock the mounting bracket framework through the bolt, make the change filter screen that the device can be swift, made things convenient for the dust on the intermittent type nature washing filter screen greatly.

Drawings

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

FIG. 2 is an overall isometric view of the present invention;

fig. 3 is a schematic structural view of the wearing mechanism of the present invention;

fig. 4 is a schematic structural diagram of the filtering apparatus of the present invention.

The reference numbers in the figures illustrate:

1. a hard mask shell; 2. a rotating shaft; 3. a headband; 4. protective eye covers; 5. a knob; 6. tightening the belt; 7. a filtration device; 8. a gear; 9. a mounting frame body; 10. a drawing plate; 11. a filter screen; 12. a fixing plate; 13. a bolt; 14. a compression spring; 15. and (4) fixing the ring.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.

The specific embodiment is as follows:

referring to fig. 1-4, an industrial mask comprises a hard mask shell 1, wherein two sides of the upper part of the hard mask shell 1 are respectively and rotatably provided with a rotating shaft 2, the outer side of one end of the rotating shaft 2 is rotatably connected with a head band 3, the outer side of the other end of the rotating shaft 2 is rotatably connected with a protective eye mask 4, the middle parts of two sides of the hard mask shell 1 are respectively and fixedly provided with a knob 5, the output end of the knob 5 is fixedly provided with a gear 8, one end of the hard mask shell 1 is movably connected with a tightening belt 6, and the inside of the other end of the hard mask shell 1 is;

filter device 7 includes mounting bracket framework 9, pull board 10, filter screen 11, fixed plate 12, bolt 13, compression spring 14 and solid fixed ring 15, mounting bracket framework 9's top welded fastening has pull board 10, mounting bracket framework 9's inside fixed mounting has filter screen 11, mounting bracket framework 9's both sides all are provided with fixed plate 12, the inboard through connection of fixed plate 12 lower part has bolt 13, the outside at bolt 13 middle part is cup jointed and is fixed with compression spring 14, compression spring 14's one end welded fastening has solid fixed ring 15.

In this embodiment, in order to push the latch 13 to move toward the side of the mount frame 9 by the elastic force of the compression spring 14, the latch 13 is coaxial with the fixing ring 15, and the latch 13 is connected to the fixing ring 15 by welding.

In this embodiment, in order to more conveniently pull out the mounting frame body 9 from the interior of the hard mask shell 1, the two sides of the pulling plate 10 are provided with anti-slip corrugations.

In this embodiment, in order that the gear 8 can drive the tightening belt 6 to perform tightness adjustment, the insides at both ends of the tightening belt 6 are provided with rack teeth, and the rack teeth are meshed with the gear 8 and connected.

In this embodiment, the hard mask shell 1 is made of plastic to reduce the weight of the whole device.

In this embodiment, in order to prevent the headband 3 and the tightening belt 6 from damaging the human body, the headband 3 and the tightening belt 6 are made of flexible rubber.

The working principle is as follows:

when the device is used, the conditions of each mechanism of the device are firstly checked, after no special condition is confirmed, the hard mask shell 1 is worn to the head by holding two sides of the hard mask shell 1, the headband 3 is rotated around the rotating shaft 2, the headband 3 is placed at a proper position of the top of the head, the hard mask shell 1 is adjusted to a proper height, the filtering device 7 is aligned to the mouth and nose position of a human body, the knob 5 is simultaneously twisted, the knob 5 drives the gear 8 to rotate, because the strip teeth are arranged inside two ends of the tightening belt 6 and are meshed and connected with the gear 8, the gear 8 can drive the tightening belt 6 to carry out tightness adjustment, the hard mask shell 1 is worn, after the device is used for a period of time, a large amount of dust can be attached to the filtering net 11, one end of the bolt 13 is pulled, the other end of the bolt 13 is separated from clamping grooves on two sides of the mounting frame, meanwhile, the mounting frame body 9 is pulled out downwards by the aid of the handheld pulling plate 10, the mounting frame body 9 is cleaned or replaced, the mounting frame body 9 is inserted into the hard mask shell 1, the bolt 13 is coaxial with the fixing ring 15, and the bolt 13 is connected with the fixing ring 15 in a welded mode, so that the bolt 13 can be pushed by the elastic force of the compression spring 14 to move to one side of the mounting frame body 9, and the mounting frame body 9 is locked through the bolt 13.

The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The industrial mask comprises a hard mask shell (1) and is characterized in that rotating shafts (2) are rotatably mounted on two sides of the upper portion of the hard mask shell (1), a head band (3) is rotatably connected to the outer side of one end of each rotating shaft (2), a protective eye shield (4) is rotatably connected to the outer side of the other end of each rotating shaft (2), knobs (5) are fixedly mounted in the middles of two sides of the hard mask shell (1), gears (8) are fixedly mounted at output ends of the knobs (5), a tightening belt (6) is movably connected to one end of the hard mask shell (1), and a filtering device (7) is fixedly mounted inside the other end of the hard mask shell (1);

filter equipment (7) are including mounting bracket framework (9), pull board (10), filter screen (11), fixed plate (12), bolt (13), compression spring (14) and solid fixed ring (15), the top welded fastening of mounting bracket framework (9) has pull board (10), the inside fixed mounting of mounting bracket framework (9) has filter screen (11), the both sides of mounting bracket framework (9) all are provided with fixed plate (12), the inboard through connection of fixed plate (12) lower part has bolt (13), the outside at bolt (13) middle part is cup jointed and is fixed with compression spring (14), the one end welded fastening of compression spring (14) has solid fixed ring (15).

2. The industrial mask according to claim 1, wherein: bolt (13) are coaxial with solid fixed ring (15), bolt (13) pass through welded connection with solid fixed ring (15).

3. The industrial mask according to claim 1, wherein: anti-skid corrugations are arranged on two sides of the drawing plate (10).

4. The industrial mask according to claim 1, wherein: the inside at tightening belt (6) both ends is provided with the rack tooth, the rack tooth is connected with gear (8) meshing.

5. The industrial mask according to claim 1, wherein: the hard mask shell (1) is made of plastic.

6. The industrial mask according to claim 1, wherein: the headband (3) and the tightening belt (6) are made of flexible rubber.