CN213487040U - Removable industry dust mask of filter core - Google Patents

Abstract

The utility model discloses an industrial dustproof mask with replaceable filter element, which comprises a mask body covered on the face of a user, wherein the side surface of the mask body is provided with a through hole and is fixedly connected with a sleeve through the through hole, the inner wall of the sleeve is provided with a truncated cone-shaped groove, the inner wall of the truncated cone-shaped groove is connected with the truncated cone-shaped sleeve in a sliding way, the inner wall of the truncated cone-shaped sleeve is fixedly connected with the filter element, the surface of the sleeve is provided with a through groove, the inner wall of the through groove is connected with an inclined block in a sliding way, the side surface of the inclined block is fixedly connected with a connecting plate, the surface of the connecting plate is fixedly connected with a tension spring, and one; the utility model discloses, use through the cooperation between the above-mentioned structure, solved in the in-service use, the filter core after changing is difficult to carry out good laminating with the gauze mask body, causes sealed effect not enough, appears leaking gas scheduling problem easily, gives the problem of using inconvenience.

Description

Removable industry dust mask of filter core

Technical Field

The utility model relates to a work protective articles for use technical field specifically is a removable industry dust mask of filter core.

Background

With the rapid development of economy, the physical health of workers is widely concerned by society, and meanwhile, continuous innovation and development in the field of labor protection articles are driven. At present, certain workplaces have severe environments, such as mineral powder processing, cement loading and unloading and other workplaces, and dust with high concentration is in the air, so that the health of workers is seriously harmed; the conventional mask, no matter be the use of oneself or professional medical care, even professional prevent haze gauze mask, the filtration of its gauze mask is disposable, and can not change, abandons or carries out innocent treatment usually after using. The waste of resources is caused greatly by the use of a large amount of disposable masks, and the problem of higher cost is caused to the consuming applicable population or unit; the existing replaceable traveling mask has a complex structure, a replaceable filter element needs to be specially matched, and the use cost is higher; therefore, an industrial dustproof mask with a replaceable filter element is provided, for example, a haze-proof mask with a replaceable filter element disclosed in chinese patent CN205456251U, which belongs to medical supplies. The utility model adopts the technical proposal that the haze-proof mask with a replaceable filter element comprises a mask covering nostrils and mouth of a human body, the face of the mask is provided with a filter element hole, the filter element hole is provided with the replaceable filter element, the lower part of the mask is provided with an exhaust hole, the exhaust hole is provided with a soft veneering part close to the face part at the side close to the face part of the human body, the section of the veneering part is an acute angle, and the exhaust hole is provided with a plurality of one-way air valves arranged up and down;

but in the in-service use process, the filter core after the change is difficult to carry out good laminating with the gauze mask body, causes sealed effect not enough, and the easy gas leakage scheduling problem that appears brings the inconvenience for the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a removable industry dust mask of filter core improves traditional device, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a removable industry dust mask of filter core, includes the gauze mask body of cover on user's face, the through-hole has been seted up and has been passed through hole fixedly connected with sleeve pipe to the side of gauze mask body.

The utility model discloses a filter, including sheathed tube, telescopic inner wall, circular truncated cone shape recess, the inner wall sliding connection of circular truncated cone shape recess has the circular truncated cone shape sleeve pipe, circular truncated cone shape sheathed tube inner wall fixedly connected with filter core, logical groove has been seted up on the sheathed tube surface, the inner wall sliding connection who leads to the groove has the bevel piece, the side fixedly connected with connecting plate of bevel piece, the fixed surface of connecting plate is connected with the extension spring, keep away from the one end and the sheathed tube fixed surface of connecting plate on the extension spring and be connected.

Preferably, the edges of the sleeve are all subjected to arc transition treatment.

Preferably, the surface of the sleeve pipe close to the right end is provided with air holes, and the number of the air holes is not less than ten.

Preferably, the arc-shaped profile of the circular truncated cone-shaped sleeve is fixedly sleeved with a rubber sleeve, and the surface of the rubber sleeve is movably connected with the inner wall of the sleeve.

Preferably, the number of the bevel blocks is two, and the two bevel blocks are symmetrically arranged with respect to the horizontal center line of the casing.

Preferably, the surface of the inclined plane block is fixedly connected with a handle, and the surface of the handle is provided with anti-skid grains.

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

the mask body is covered on the face of a patient, so that the mask can be used daily; when the filter element needs to be replaced, the inclined plane block is manually pulled towards the direction far away from the sleeve, so that the extrusion of the inclined plane block on the circular truncated cone-shaped sleeve is gradually reduced;

secondly, after the inclined plane block thoroughly removes the extrusion to the circular truncated cone-shaped sleeve through traction, the circular truncated cone-shaped sleeve can be manually pushed rightwards from the left end of the circular truncated cone-shaped sleeve, the circular truncated cone-shaped sleeve gradually moves rightwards in the sleeve, and finally the circular truncated cone-shaped sleeve is separated from the sleeve, so that the filter element is disassembled;

similarly, when the filter element needs to be installed, the inclined plane block is manually drawn, then the orientation of the circular truncated cone-shaped sleeve is adjusted, so that the circular truncated cone-shaped sleeve smoothly moves leftwards in the sleeve and finally forms complete attachment with the inner wall of the sleeve, then the drawing of the inclined plane block is removed, under the action of the elastic force of the tension spring, the inclined plane on the inclined plane block is contacted with the right end of the circular truncated cone-shaped sleeve and is extruded, the attachment tightness between the circular truncated cone-shaped sleeve and the inner wall of the sleeve is further enhanced, the sealing effect is improved, meanwhile, the installation of the circular truncated cone-shaped sleeve in the sleeve is reinforced, and the circular truncated cone-shaped sleeve is prevented from falling off in the daily use process;

thirdly, the utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use process, and the filter core after changing is difficult to carry out good laminating with the gauze mask body, causes sealed effect not enough, and gas leakage scheduling problem appears easily, the problem of bringing inconvenience for the use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front sectional view of the sleeve of the present invention;

fig. 3 is a perspective view of the truncated cone shaped sleeve of the present invention.

In the figure: 1-a mask body, 2-a sleeve, 3-a truncated cone-shaped groove, 4-a truncated cone-shaped sleeve, 5-a filter element, 6-a through groove, 7-a slope block, 8-a connecting plate, 9-a tension spring, 10-an air hole, 11-a rubber sleeve and 12-a handle.

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 to 3, the present invention provides a technical solution: an industrial dustproof mask with a replaceable filter element comprises a mask body 1 covering the face of a user, wherein the mask body 1 is covered on the face of the patient, so that daily use can be met; the side surface of the mask body 1 is provided with a through hole and is fixedly connected with the sleeve 2 through the through hole, the edges of the sleeve 2 are all subjected to arc transition treatment, and through the arc transition treatment of the edges of the sleeve 2, the accidental situations such as scratches can be avoided in daily use, and the mask plays a role in protecting users;

the surface of the sleeve 2 close to the right end is provided with the air holes 10, the number of the air holes 10 is not less than ten, and the air holes 10 in the truncated cone-shaped groove 3 are provided, so that the entering air can flow through the air holes 10, the upper limit of the flowing flow of the air during air suction is improved, and the requirements on the sucked air under different conditions can be met;

the inner wall of the sleeve 2 is provided with a truncated cone-shaped groove 3, the inner wall of the truncated cone-shaped groove 3 is connected with a truncated cone-shaped sleeve 4 in a sliding manner, a rubber sleeve 11 is fixedly sleeved on the arc-shaped contour of the truncated cone-shaped sleeve 4, the surface of the rubber sleeve 11 is movably connected with the inner wall of the sleeve 2, and the sealing effect between the truncated cone-shaped sleeve 4 and the inner wall of the sleeve 2 can be further improved through the arrangement of the rubber sleeve 11 on the arc-shaped contour of the truncated cone-shaped sleeve 4, so that the sucked gas can enter after being filtered by the filter element 5 when the gas filter is used;

the filter element 5 is fixedly connected to the inner wall of the circular truncated cone-shaped sleeve 4, the through groove 6 is formed in the surface of the sleeve 2, the inclined plane block 7 is connected to the inner wall of the through groove 6 in a sliding mode, and when the filter element 5 needs to be replaced, the inclined plane block 7 is manually pulled towards the direction far away from the sleeve 2, so that the extrusion of the circular truncated cone-shaped sleeve 4 by the inclined plane block 7 is gradually reduced;

after the frustum-shaped sleeve 4 is completely extruded by the inclined plane block 7 through traction, the frustum-shaped sleeve 4 can be manually pushed rightwards from the left end of the frustum-shaped sleeve 4, the frustum-shaped sleeve 4 gradually moves rightwards in the sleeve 2 and finally breaks away from the sleeve 2, and therefore the filter element 5 is disassembled;

when the filter element 5 needs to be installed, the inclined plane block 7 is pulled manually, then the orientation of the truncated cone-shaped sleeve 4 is adjusted, so that the truncated cone-shaped sleeve 4 smoothly moves to the left in the sleeve 2 and finally forms complete attachment with the inner wall of the sleeve 2, then the pulling of the inclined plane block 7 is released, under the action of the elastic force of the tension spring 9, the inclined plane on the inclined plane block 7 is contacted with the right end of the truncated cone-shaped sleeve 4 and is extruded, the close degree of attachment between the truncated cone-shaped sleeve 4 and the inner wall of the sleeve 2 is further enhanced, the sealing effect is improved, meanwhile, the installation of the truncated cone-shaped sleeve 4 in the sleeve 2 is also reinforced, and the filter element 5 is prevented from falling in the daily use process;

the number of the inclined plane blocks 7 is two, the two inclined plane blocks 7 are symmetrically arranged by the horizontal central line of the sleeve 2, and the upper and lower stress of the truncated cone-shaped sleeve 4 is more balanced through the symmetrical arrangement of the two inclined plane blocks 7, so that the sealing effect between the truncated cone-shaped sleeve and the sleeve 2 is also improved;

the surface of the inclined plane block 7 is fixedly connected with a handle 12, the surface of the handle 12 is provided with anti-skid grains, the inclined plane block 7 is conveniently drawn through the arrangement of the handle 12 on the surface of the inclined plane block 7, and the anti-skid grains are arranged on the inclined plane block to avoid the phenomenon of skidding in the drawing process;

the side fixedly connected with connecting plate 8 of sloping piece 7, the fixed surface of connecting plate 8 is connected with extension spring 9, and the one end of keeping away from connecting plate 8 on extension spring 9 is connected with the fixed surface of sleeve pipe 2.

The working principle is as follows: when the industrial dustproof mask with the replaceable filter element is used, the mask body 1 is covered on the face of a patient, so that daily use can be met; when the filter element 5 needs to be replaced, the inclined plane block 7 is manually pulled towards the direction far away from the sleeve 2, so that the extrusion of the inclined plane block 7 on the truncated cone-shaped sleeve 4 is gradually reduced; after the frustum-shaped sleeve 4 is completely extruded by the inclined plane block 7 through traction, the frustum-shaped sleeve 4 can be manually pushed rightwards from the left end of the frustum-shaped sleeve 4, the frustum-shaped sleeve 4 gradually moves rightwards in the sleeve 2 and finally breaks away from the sleeve 2, and therefore the filter element 5 is disassembled; when the filter element 5 needs to be installed, the inclined plane block 7 is pulled manually, then the orientation of the truncated cone-shaped sleeve 4 is adjusted, so that the truncated cone-shaped sleeve 4 smoothly moves to the left in the sleeve 2 and finally forms complete attachment with the inner wall of the sleeve 2, then the pulling of the inclined plane block 7 is released, under the action of the elastic force of the tension spring 9, the inclined plane on the inclined plane block 7 is contacted with the right end of the truncated cone-shaped sleeve 4 and is extruded, the close degree of attachment between the truncated cone-shaped sleeve 4 and the inner wall of the sleeve 2 is further enhanced, the sealing effect is improved, meanwhile, the installation of the truncated cone-shaped sleeve 4 in the sleeve 2 is also reinforced, and the filter element 5 is prevented from falling in the daily use process; through the cooperation use between the above-mentioned structure, solved in the in-service use process, the filter core after the change is difficult to carry out good laminating with the gauze mask body, causes sealed effect not enough, appears leaking gas scheduling problem easily, gives the problem of using inconvenience.

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 (6)

1. The utility model provides a removable industry dust mask of filter core, includes mask body (1) of cover on user's face, its characterized in that: a through hole is formed in the side surface of the mask body (1) and a sleeve (2) is fixedly connected with the through hole;

round platform shape recess (3) have been seted up to the inner wall of sleeve pipe (2), the inner wall sliding connection of round platform shape recess (3) has round platform shape sleeve pipe (4), the inner wall fixedly connected with filter core (5) of round platform shape sleeve pipe (4), logical groove (6) have been seted up on the surface of sleeve pipe (2), the inner wall sliding connection who leads to groove (6) has bevel piece (7), side fixedly connected with connecting plate (8) of bevel piece (7), the fixed surface of connecting plate (8) is connected with extension spring (9), the one end of keeping away from connecting plate (8) on extension spring (9) is connected with the fixed surface of sleeve pipe (2).

2. The industrial dust mask with a replaceable filter element according to claim 1, wherein: and the edges of the sleeve (2) are all subjected to arc transition treatment.

3. The industrial dust mask with a replaceable filter element according to claim 1, wherein: the surface of the sleeve (2) close to the right end is provided with air holes (10), and the number of the air holes (10) is not less than ten.

4. The industrial dust mask with a replaceable filter element according to claim 1, wherein: the arc-shaped profile of the circular truncated cone-shaped sleeve (4) is fixedly sleeved with a rubber sleeve (11), and the surface of the rubber sleeve (11) is movably connected with the inner wall of the sleeve (2).

5. The industrial dust mask with a replaceable filter element according to claim 1, wherein: the number of the inclined plane blocks (7) is two, and the two inclined plane blocks (7) are symmetrically arranged by the horizontal central line of the sleeve (2).

6. The industrial dust mask with a replaceable filter element according to claim 1, wherein: the surface of the inclined plane block (7) is fixedly connected with a handle (12), and anti-skid grains are arranged on the surface of the handle (12).

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