CN215653492U

CN215653492U - Gauze mask convenient to change filter cotton bag

Info

Publication number: CN215653492U
Application number: CN202122100457.8U
Authority: CN
Inventors: 李鹏; 刘庆功
Original assignee: Yantai Lisong Safety Technology Co ltd
Current assignee: Yantai Lisong Safety Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-28
Anticipated expiration: 2031-09-01

Abstract

The invention discloses a mask convenient for replacing a filter cotton bag, which belongs to the field of protective articles and comprises a mask body, wherein an air inlet hole is formed in the side wall of the mask body, an air inlet pipe is arranged at the position, close to the air inlet hole, of the mask body, and the filter cotton bag is detachably connected to the position, close to the outer surface of the mask body, of the air inlet pipe. This application has when using up the back, can directly dismantle and change the filtration cotton bag, just can reuse the gauze mask, and it is convenient to change the filtration cotton bag, practices thrift the material of preparation gauze mask, reduces the extravagant effect of resource.

Description

Gauze mask convenient to change filter cotton bag

Technical Field

The invention relates to the field of protective articles, in particular to a mask with a filter cotton bag convenient to replace.

Background

The mask is generally fixed on the face of a patient through a mask belt, a user inhales air into the mask through breathing, and harmful substances in the air are filtered through a filter layer.

The prior art can refer to the Chinese utility model with the publication number of CN 212088260U. It discloses a mask, which comprises a main body part, two fixed wearing parts and a limiting part. The main body part comprises a first spun-bonded non-woven fabric layer, a second spun-bonded non-woven fabric layer and a polytetrafluoroethylene microporous membrane arranged between the first spun-bonded non-woven fabric layer and the second spun-bonded non-woven fabric layer. The two ends of each fixed belt are respectively fixed near two corners of the main body part and are parallel to the longer side of the main body part. The two fixed belts respectively pass through the upper part and the lower part of the limiting part in a sliding way.

In view of the above-mentioned related technologies, the inventor believes that when the mask is replaced, the filter layer and the mask are required to be discarded integrally, which results in resource waste.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the change filter cotton bag, resources are saved, this application provides a gauze mask convenient to change filter cotton bag.

The application provides a gauze mask convenient to change filter cotton bag adopts following technical scheme:

the utility model provides a gauze mask convenient to change filter cotton bag, includes the cover body, the inlet port has been seted up to cover body lateral wall, the cover body is close to the inlet port position and is provided with the intake pipe, the intake pipe is close to cover body surface releasable connection has filter cotton bag.

By adopting the technical scheme, after the mask is used up, the filtering cotton bag can be directly detached and replaced, the mask can be reused, the filtering cotton bag is convenient to replace, the material for manufacturing the mask is saved, and the resource waste is reduced.

Optionally, the inlet pipe outer wall is provided with a plurality of fixture blocks, it is close to filter the cotton bag cover body one side center fixedly connected with collar, the intake pipe is inserted and is advanced in the collar, collar inner wall fixedly connected with snap ring, a plurality of draw-in grooves have been seted up on the snap ring, the draw-in groove with fixture block looks adaptation a plurality of draw-in grooves have been seted up to the snap ring, draw-in groove and book card express delivery looks adaptation.

Through adopting above-mentioned technical scheme, when changing the filtration cotton bag, in the installing ring of pegging graft the new filtration cotton bag with the intake pipe, the installing ring inner wall is provided with the snap ring, in the draw-in groove on the snap ring is pegged graft to the fixture block in the intake pipe and with intake pipe and installing ring rotation each other, it is more firm that filtration cotton bag is fixed in intake pipe department.

Optionally, one side of the mounting ring close to the filtering cotton bag is covered with a cotton sheet.

Through adopting above-mentioned technical scheme, during the use, the cotton piece covers the collar, and in the installation of intake pipe and collar, the cotton piece can receive the extrusion and take place deformation, has played the effect of sealing up collar department.

Optionally, the cover body is close to the position of filtering cotton bag has set firmly the dead lever, it is close to filter cotton bag the fixed orifices has been seted up to the position of dead lever, the dead lever is kept away from cover body one end both sides articulate the movable block that the cuboid set up, the movable block is in dead lever axis place in-plane rotation, the movable block by being close to the cover body and being on a parallel with rotate within the position angle of position to the perpendicular to dead lever of dead lever, work as the movable block is on a parallel with during the cover body, the movable block with the dead lever is followed take out in the fixed orifices, be provided with the retaining ring on the dead lever, the retaining ring with dead lever threaded connection.

Through adopting above-mentioned technical scheme, inject the dead lever in the fixed orifices during the use, the movable block on the dead lever rotates the perpendicular to dead lever gradually to filtering cotton bag direction on the dead lever through the rotation of retaining ring, will filter cotton pad edge centre gripping and fix between retaining ring and movable block, improves the stability of filtering cotton pad, filters the cotton bag edge and can't fix and damage when reducing the use.

Optionally, the filtering cotton bag is provided with an elastic sealing ring near the edge of the fixing hole.

Through adopting above-mentioned technical scheme, after the dead lever injects the fixed orifices during the use, the elasticity sealing washer utilizes elasticity to seal the clearance between fixed orifices and the dead lever, reduces the not filterable harmful substance and leaks from fixed orifices department.

Optionally, the retainer ring has elasticity.

Through adopting above-mentioned technical scheme, when through rotatory retaining ring with the movable block during perpendicular and dead lever gradually, the retaining ring extrudees the cotton bag of filtration between dead lever and the retaining ring gradually, utilizes the elasticity of retaining ring to seal.

Optionally, the cover body surface one end has set firmly the subassembly of giving vent to anger, the subassembly of giving vent to anger includes the venthole, the venthole is kept away from cover body one end and is provided with the baffle.

By adopting the technical scheme, the baffle can prevent external liquid from entering the mask body through the expiration hole when in use.

Optionally, adjusting plates are fixedly arranged on two sides of the air outlet assembly, each adjusting plate is provided with a hole, and a mask belt penetrates through the hole.

By adopting the technical scheme, the user can adjust the length of the mask belt through the belt holes, and find the length of the mask belt suitable for the user.

To sum up, the application comprises the following beneficial technical effects:

1. after the mask is used up, the filtering cotton bag can be directly detached and replaced, so that the mask can be reused, the filtering cotton bag is convenient to replace, the material for manufacturing the mask is saved, and the resource waste is reduced;

2. when the filtering cotton bag is replaced, the air inlet pipe is inserted into the mounting ring of a new filtering cotton bag, the inner wall of the mounting ring is provided with a clamping ring, a clamping block on the air inlet pipe is clamped into a clamping groove in the clamping ring, and the filtering cotton bag is more firmly fixed at the air inlet pipe;

3. during the use injects the dead lever in the fixed orifices, the movable block on the dead lever rotates perpendicular to dead lever gradually to filtering cotton bag orientation on the dead lever through the rotation of retaining ring, will filter cotton pad edge centre gripping and fix between retaining ring and movable block, improves the stability of filtering cotton pad, and it can't be fixed and damage to filter cotton bag edge when reducing the use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment of the present application.

Fig. 3 is a partial view of a highlighted filter cotton bag of an embodiment of the present application.

Fig. 4 is a partial cross-sectional view of an embodiment of the present application.

Description of reference numerals:

1. a cover body; 11. an air inlet; 12. fixing the rod; 121. a movable block; 122. a retainer ring; 13. an air outlet assembly; 131. an air outlet; 132. a baffle plate; 133. a one-way valve; 2. an air inlet pipe; 21. a clamping block; 3. a filtering cotton bag; 31. mounting holes; 32. a mounting ring; 321. a snap ring; 3211. a card slot; 33. cotton sheets; 34. a fixing hole; 341. an elastic sealing ring; 4. a mask band; 5. an adjustment plate; 51. the holes are arranged.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses gauze mask convenient to change filter cotton bag.

Referring to fig. 1 and 2, the mask convenient for replacing the filter cotton bag comprises a mask body 1, wherein two side walls of the mask body 1 are symmetrically provided with circular air inlets 11, an air inlet pipe 2 is arranged at a position, close to the air inlets 11, of the mask body 1, and one end, close to the mask body 1, of the air inlet pipe 2 is fixedly connected with the edges of the air inlets 11. When a user inhales, air enters the cover body 1 through the air inlet pipe 2.

Referring to fig. 2 and 3, the lateral wall that the cover body 1 one end was kept away from to intake pipe 2 has set firmly a plurality of fixture blocks 21, intake pipe 2 is kept away from cover body 1 one end and can be dismantled and be connected with and be the cotton bag of circular shape 3, it has seted up mounting hole 31 to filter cotton bag 3 to be close to intake pipe 2 one side center, the position that filters cotton bag 3 and be close to mounting hole 31 has set firmly collar 32, collar 32 inner wall has set firmly snap ring 321, a plurality of draw-in grooves 3211 have been seted up on the snap ring 321, draw-in groove 3211 and fixture block 21 looks adaptation. The mounting ring 32 is provided with a cotton sheet 33 on one side close to the filtering cotton bag 3, and the cotton sheet 33 completely covers the mounting ring 32. In the installation was filtered cotton bag 3 in the intake pipe 2 go up fixture block 21 and is gone into intake pipe 2 through draw-in groove 3211 on the snap ring 321 and inject installing ring 32, fixture block 21 joint is fixed through the rotation in draw-in groove 3211, and cotton piece 33 receives the extrusion in the installation and takes place to warp, seals installing ring 32 department.

Referring to fig. 2 and 4, a fixing rod 12 is fixedly arranged at a position of the cover body 1 close to the filtering cotton bag 3, and an elastic retaining ring 122 is connected to the fixing rod 12 in a threaded manner. The fixed rod 12 is far away from cover body 1 one end both sides and is provided with the movable block 121 of cuboid, and movable block 121 is articulated with fixed rod 12, and movable block 121 rotates in the plane of fixed rod 12 axis place, and movable block 121 is by being close to cover body 1 and being on a parallel with the position angle of fixed rod 12 within the position angle of perpendicular to fixed rod 12. One side of the filtering cotton bag 3 close to the fixed rod 12 is provided with a fixed hole 34, and the edge of the fixed hole 34 is fixedly provided with an elastic sealing ring 341. When the fixing rod 12 is used, the fixing rod 12 is inserted into the fixing hole 34, the movable block 121 moves towards the filtering cotton bag 3 along the length direction of the fixing rod 12 through the retainer ring 122 and gradually rotates to be perpendicular to the fixing rod 12, the retainer ring 122 gradually extrudes and fixes the filtering cotton bag 3 between the fixing rod 12 and the retainer ring 122, and the elastic performance of the retainer ring 122 is utilized for sealing. The elastic packing 341 elastically seals a gap between the fixing hole 34 and the fixing rod 12.

Referring to fig. 1 and 2, an air outlet assembly 13 is fixedly arranged at one end of the outer surface of the cover body 1, the air outlet assembly 13 includes an air outlet hole 131, a circular baffle 132 is fixedly arranged at the edge of the cover body 1 close to the air outlet hole 131, and the baffle 132 covers the check valve 133. The adjusting plate 5 is fixedly arranged on two sides of the air outlet assembly 13, two belt holes are formed in two sides of the adjusting plate 5, and the mask belt 4 penetrates through the belt holes. The holes of each side wall are arranged at two ends of the side wall. The mask is fixed on the face of the user by using the mask belt 4, when the user exhales, gas enters the one-way valve 133 through the air outlet 131, the gas is discharged from the opening through the one-way valve 133, and when the outside splashes liquid to the opening, the baffle 132 blocks the liquid.

The implementation principle of the gauze mask convenient to change filter pulp bag of the embodiment of this application is: when the mask is used, the mask belt 4 is used for fixing the mask on the face of a user, when the user inhales, outside air is filtered by the filtering cotton bag 3 to enter the air inlet pipe 2, air enters the inner part of the mask body 1 through the air inlet pipe 2, when the user exhales, the air enters the one-way valve 133 through the air outlet hole 131, the air is discharged from the opening through the one-way valve 133, when the outside splashes liquid to the opening, the baffle 132 blocks the liquid, when the filtering cotton bag 3 needs to be replaced, the filtering cotton bag 3 is rotated to enable the clamping block 21 to pull out the air inlet pipe 2 from the mounting ring 32 through the clamping ring 321, then the retaining ring 122 is moved towards the mask body 1 along the length direction of the fixed rod 12 to enable the movable block 121 to rotate in the plane of the central axis of the fixed rod 12, when the movable block 121 is parallel to the fixed rod 12, the filtering cotton bag 3 can be taken down from the fixed rod 12, when a new filtering cotton bag 3 is installed, the clamping block 21 on the air inlet pipe 2 is inserted into the mounting ring 32 of the clamping groove 3211 on the clamping ring 321, the clamping block 21 is clamped in the clamping groove 3211 and fixed through rotation, the cotton piece 33 is extruded to deform in the installation process, the installation ring 32 is sealed, the fixing rod 12 is inserted into the fixing hole 34, the movable block 121 filters the cotton bag 3 through the retaining ring 122 along the length direction of the fixing rod 12 and moves to be gradually perpendicular to the fixing rod 12, the retaining ring 122 gradually extrudes the filtering cotton bag 3 between the fixing rod 12 and the retaining ring 122, and the elastic property of the retaining ring 122 is utilized for sealing. The elastic packing 341 is replaced by sealing the gap between the fixing hole 34 and the fixing rod 12 by elasticity.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a gauze mask convenient to change filter pulp bag which characterized in that: the novel mask comprises a mask body (1), wherein an air inlet (11) is formed in the side wall of the mask body (1), an air inlet pipe (2) is arranged at the position, close to the air inlet (11), of the mask body (1), and the air inlet pipe (2) is close to the outer surface of the mask body (1) and is detachably connected with a filtering cotton bag (3).

2. The mask of claim 1, wherein the filter cotton bag is replaceable, and the mask comprises: intake pipe (2) outer wall is provided with a plurality of fixture blocks (21), it is close to filter cotton bag (3) cover body (1) one side center fixedly connected with collar (32), intake pipe (2) are pegged graft and are advanced in collar (32), collar (32) inner wall fixedly connected with snap ring (321), a plurality of draw-in grooves (3211) have been seted up on snap ring (321), draw-in groove (3211) with fixture block (21) looks adaptation.

3. The mask as claimed in claim 2, wherein the filter cotton bag is replaced conveniently, and the mask comprises: one surface of the mounting ring (32) close to the filtering cotton bag (3) is covered with a cotton sheet (33).

4. The mask as claimed in claim 2, wherein the filter cotton bag is replaced by: a fixed rod (12) is fixedly arranged at the position of the cover body (1) close to the filtering cotton bag (3), a fixing hole (34) is arranged at the position of the filtering cotton bag (3) close to the fixing rod (12), both sides of one end of the fixed rod (12) far away from the cover body (1) are hinged with cuboid movable blocks (121), the movable block (121) rotates in the plane of the central axis of the fixed rod (12), the movable block (121) rotates within an angle from a position which is close to the cover body (1) and is parallel to the fixed rod (12) to a position which is vertical to the fixed rod (12), when the movable block (121) is parallel to the cover body (1), the movable block (121) and the fixed rod (12) are taken out of the fixed hole (34), the fixing rod (12) is provided with a retainer ring (122), and the retainer ring (122) is in threaded connection with the fixing rod (12).

5. The mask of claim 4, wherein the filter cotton bag is easy to replace, and the mask comprises: an elastic sealing ring (341) is fixedly arranged on the edge of the filtering cotton bag (3) close to the fixing hole (34).

6. The mask of claim 4, wherein the filter cotton bag is easy to replace, and the mask comprises: the retainer ring (122) has elasticity.

7. The mask of claim 1, wherein the filter cotton bag is replaceable, and the mask comprises: the cover body (1) surface one end sets firmly air outlet assembly (13), air outlet assembly (13) include venthole (131), venthole (131) are kept away from cover body (1) one end and are provided with baffle (132).

8. The mask of claim 7, wherein the filter cotton bag is replaceable by: adjusting plates (5) are fixedly arranged on two sides of the air outlet assembly (13), a hole (51) is formed in each adjusting plate (5), and a mask belt (4) penetrates through each hole (51).