CN218869479U

CN218869479U - Size-adjustable protective mask

Info

Publication number: CN218869479U
Application number: CN202223043803.4U
Authority: CN
Inventors: 吴特鑫
Original assignee: Guangzhou Nanbeiren Biomedical Technology Co ltd
Current assignee: Guangzhou Nanbeiren Biomedical Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-18
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a protective face mask of adjustable size, including two elastic webbing, two rear end between the elastic webbing is connected with flexible knot, two front end swing joint between the elastic webbing has the connection semi-ring, the lower extreme fixed melting of connection semi-ring is connected with transparent protection casing, it is provided with the fixed column to run through between connection semi-ring and the elastic webbing, both sides all run through around the fixed column and are provided with and press the post, fixed the connection of inlaying between fixed column medial extremity and the elastic webbing, the both sides of connection semi-ring all run through and are provided with the cartridge hole. The utility model provides an elastic webbing can be fixed in flexible hungry flexible the knot of detaining one end, and this elastic webbing one end can be in flexible the knot one side extension or shorten of detaining, and the flexible knot through the elastic webbing inside surface and the nylon cushion of elastic webbing outside surface laminate the cooperation, and the length of the adjustable elastic webbing of principle more than through to make its size that adapts to different people's heads.

Description

Size-adjustable protective mask

Technical Field

The utility model relates to a protective facial mask technical field specifically is a protective facial mask of adjustable size.

Background

The protective mask is a tool for protecting the face and the neck from flying metal debris, harmful gas, liquid splash, metal and high-temperature solvent flying powder, and particularly a medical protective mask is usually required to be recycled and disinfected;

the protective face mask is usually fixed on the head through elastic bands to realize the fixation of the face mask, but the heads of different people are different in size, the length of the elastic bands is fixed, the elastic bands cannot be adjusted to adapt to the sizes of the heads of different people, and most of the elastic bands and the protective face mask are of a fixed integrated structure, the protective face mask is connected with the elastic bands in a recovery and disinfection treatment mode, and therefore resource waste is caused;

in order to solve the problems that the elastic band and the protective face mask can adapt to the sizes of the heads of different people and the length of the elastic band is adjusted, the protective face mask with the adjustable size is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protective facial mask of adjustable size to but the different people head variation in size that proposes in solving above-mentioned background art, the length of general elastic cord is fixed, thereby it can't adjust the size that can't adapt to different people's heads, and most be fixed body structure between elastic cord and the protective facial mask, the recovery disinfection of protective facial mask handles the elastic cord jointly, this waste scheduling problem that has led to the fact the resource.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protective facial mask of adjustable size, includes two elastic webbing, two rear end between the elastic webbing is connected with flexible knot, two front end swing joint between the elastic webbing has the connection semi-ring, the lower extreme fixed melting of connection semi-ring is connected with transparent protection casing, it is provided with the fixed column to run through between connection semi-ring and the elastic webbing, both sides all run through to be provided with around the fixed column and press the post, fixed the connection of inlaying between fixed column medial extremity and the elastic webbing, the both sides of connection semi-ring all run through and are provided with the cartridge hole, the fixed slot that is provided with in both sides of cartridge downthehole portion, the inside of fixed column is fixed and is provided with fixed inner chamber, press post medial surface and be connected with the cartridge piece, two press and all to connect between the post and be provided with the spring.

Preferably, through holes are formed in the two sides of the outer end inside the fixed inner cavity in a penetrating mode, and the pressing column is transversely movably located in the through holes.

Preferably, a through hole penetrates through the two sides of the inner end in the fixed inner cavity and the slot, the insertion block is transversely movably located in the through hole, and one end of the insertion block is inserted in the slot.

Preferably, a connecting plate is connected between the pressing column and the inserting block, the pressing column, the inserting block and the connecting plate are movably located in the fixed inner cavity, and the two connecting plates are connected through two springs.

Preferably, one end of the fixing column is fixedly connected with the elastic belt, and one section of the fixing column is connected with the inserting hole in the connecting semi-ring in an inserting mode.

Preferably, telescopic holes are formed in the two sides of the telescopic buckle in a penetrating mode, one of the elastic belts and the telescopic hole in the telescopic buckle are fixedly connected in a penetrating mode, and the other elastic belt and the other telescopic hole in the telescopic buckle are movably connected in a penetrating mode.

Preferably, the interior fixed surface of elastic webbing laminates and has the nylon button, the exterior fixed surface laminating of elastic webbing one side has the nylon pad.

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

1. the utility model discloses the elasticity of stretching of two springs inside the fixed cavity in can be with holistic pressing post and cartridge piece to the outside to support and press, and then make the inboard cartridge piece of pressing post can insert in the slot in connecting the half-ring, holistic fixed column also fixes on the elastic webbing simultaneously, connect through the cartridge between cartridge piece and slot, make connecting one end of half-ring and fix on the elastic webbing, then holistic connecting half-ring can connect and fix between two elastic webbings; if the connecting semi-ring and the elastic band are disassembled, the pressing columns on two sides are transversely pressed towards the inner side of the fixed inner cavity, so that the pressing columns drive the connecting plate and the inserting block to transversely move towards the inner part of the fixed inner cavity, the connecting plate on the inner side of the pressing columns can have an extrusion effect on the stretching elasticity of the fixed inner cavity, at the moment, the inserting block connected with the inner side of the pressing columns can be separated from the inserting slot, further, the inserting hole in the integral connecting semi-ring is separated from one section of the fixed column, the fixation between the elastic band and the connecting semi-ring is released, the transparent protective cover is disassembled, and the used transparent protective cover and the elastic band can be separated and disinfected;

2. the utility model discloses in, one of them elastic webbing can be fixed in the hungry flexible of flexible knot one end is detained, and wherein another flexible of the mobile cartridge of another elastic webbing on the flexible knot is detained, this elastic webbing one end can be in flexible knot one side extension or shorten of detaining, and the cooperation of laminating is detained through the flexible of the interior surface of elastic webbing and the nylon pad of the outside surface of elastic webbing, and then carry out the fixed of length to holistic elastic webbing, and the length of the adjustable elastic webbing of principle more than through, and make its size that adapts to different people's heads.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall rear side of the present invention;

fig. 3 is an enlarged view of a three-dimensional structure at a in fig. 2 according to the present invention;

fig. 4 is a top cut-away view of the utility model as a whole as shown in fig. 3.

In the figure: 1. a transparent protective cover; 2. connecting the half-rings; 3. an elastic band; 4. a telescopic buckle; 5. nylon buttons; 6. a nylon pad; 7. fixing a column; 8. pressing the column; 9. a through hole; 10. fixing the inner cavity; 11. a spring; 12. inserting a block; 13. inserting slots; 14. inserting the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1 to 4, the present invention provides an embodiment: in the size-adjustable protective mask, the rear end between two elastic belts 3 is connected with a telescopic buckle 4, the front end between two elastic belts 3 is movably connected with a connecting semi-ring 2, the lower end of the connecting semi-ring 2 is fixedly fused and connected with a transparent protective cover 1, a fixing column 7 is arranged between the connecting semi-ring 2 and the elastic belt 3 in a penetrating mode, pressing columns 8 are arranged on the front side and the rear side of each fixing column 7 in a penetrating mode, the inner side end of each fixing column 7 is fixedly embedded and connected with the elastic belt 3, inserting holes 14 are arranged on the two sides of the connecting semi-ring 2 in a penetrating mode, inserting slots 13 are fixedly arranged on the two sides inside the inserting holes 14, a fixing inner cavity 10 is fixedly arranged inside each fixing column 7, inserting blocks 12 are connected to the inner side end faces of the pressing columns 8, springs 11 are arranged between the two pressing columns 8 in a penetrating mode, and the elasticity of the springs 11 is beneficial to outward movement of the pressing columns 8 on the two sides.

Furthermore, both sides of the inner outer end of the fixed inner cavity 10 are provided with through holes 9 in a penetrating mode, the pressing column 8 is located in the through holes 9 in a transverse moving mode, through holes are formed between both sides of the inner end of the fixed inner cavity 10 and the inserting grooves 13 in a penetrating mode, the inserting block 12 is located in the through holes in a transverse moving mode, one end of the inserting block 12 is inserted into the inserting grooves 13, through the adoption of the technical scheme, the through holes 9 are beneficial to the pressing column 8 in the transverse moving mode, and the through holes are beneficial to the transverse moving of the inserting block 12.

Furthermore, a connecting plate is arranged between the pressing column 8 and the inserting block 12 in a connected mode, the pressing column 8, the inserting block 12 and the connecting plate are movably located in the fixed inner cavity 10, the two connecting plates are connected through two springs 11, one end of the fixing column 7 is fixedly connected with the elastic belt 3, and one section of the fixing column 7 is connected with the inserting hole 14 in the connecting semi-ring 2 in an inserting mode.

Through the arrangement scheme, the stretching elasticity of the two springs 11 in the fixed inner cavity 10 can press the whole pressing column 8 and the inserting block 12 outwards, so that the inserting block 12 on the inner side of the pressing column 8 can be inserted into the inserting groove 13 in the connecting semi-ring 2, meanwhile, the whole fixed column 7 is also fixed on the elastic belt 3, one end of the connecting semi-ring 2 is fixed on the elastic belt 3 through the inserting connection between the inserting block 12 and the inserting groove 13, and the whole connecting semi-ring 2 can be connected and fixed between the two elastic belts 3; if the connecting semi-ring 2 and the elastic band 3 are disassembled, the pressing columns 8 on two sides are transversely pressed towards the inner side of the fixed inner cavity 10, so that the pressing columns 8 drive the connecting plates and the inserting blocks 12 to transversely move towards the inner part of the fixed inner cavity 10, the connecting plates on the inner sides of the pressing columns 8 can extrude the stretching elasticity of the fixed inner cavity 10, the inserting blocks 12 connected with the inner sides of the pressing columns 8 can be separated from the inserting grooves 13, further the inserting holes 14 in the integral connecting semi-ring 2 are separated from one section of the fixed column 7, the fixation between the elastic band 3 and the connecting semi-ring 2 is released, the transparent protective cover 1 is disassembled, and the used transparent protective cover 1 and the elastic band 3 can be separated and disinfected.

Furthermore, the both sides of flexible knot 4 all run through and are provided with the telescopic hole, run through fixed connection between the telescopic hole on one of them elastic webbing 3 and the flexible knot 4, run through swing joint between another telescopic hole on one of them elastic webbing 3 and the flexible knot 4, the internal surface of elastic webbing 3 is fixed to be laminated with nylon buckle 5, the external surface of elastic webbing 3 one side is fixed to be laminated with nylon pad 6, make one of them elastic webbing 3 can fix in the hungry flexible knot of flexible knot 4 one end through this setting, and wherein the movable cartridge of another elastic webbing 3 is in another flexible knot on flexible knot 4, this elastic webbing 3 one end can stretch out or shorten on flexible knot one side on flexible knot 4, and carry out laminating cooperation through flexible knot 4 and the nylon pad 6 of the elastic webbing 3 outside surface of 3 of the inboard surface of elastic webbing 3, and then carry out the fixed of length to holistic elastic webbing 3, and through the adjustable elastic webbing 3's of above principle length, and make it adapt to the size of different people's heads.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A size-adjustable protective mask, comprising two elastic bands (3), characterized in that: the elastic belt fixing device is characterized in that a telescopic buckle (4) is connected to the rear end between the two elastic belts (3), a connecting semi-ring (2) is movably connected to the front end between the two elastic belts (3), a transparent protective cover (1) is fixedly connected to the lower end of the connecting semi-ring (2) in a melting mode, a fixing column (7) penetrates through the connecting semi-ring (2) and the elastic belts (3), pressing columns (8) are arranged on the front side and the rear side of the fixing column (7) in a penetrating mode, the inner side end of the fixing column (7) is fixedly connected with the elastic belts (3) in an embedding mode, inserting holes (14) are arranged on the two sides of the connecting semi-ring (2) in a penetrating mode, inserting grooves (13) are fixedly arranged on the two inner sides of the inserting holes (14), a fixing inner cavity (10) is fixedly arranged inside the fixing column (7), an inserting block (12) is connected to the inner side end face of the pressing columns (8), and springs (11) are arranged between the pressing columns (8) in a connecting mode.

2. A size-adjustable protective mask according to claim 1, wherein: both sides of the inner outer end of the fixed inner cavity (10) are provided with through holes (9) in a penetrating mode, and the pressing column (8) is located in the through holes (9) in a transverse moving mode.

3. A size-adjustable protective mask according to claim 2, wherein: a through hole penetrates through the inner end of the fixed inner cavity (10) and the slot (13), the insertion block (12) is transversely movably located in the through hole, and one end of the insertion block (12) is inserted into the slot (13).

4. A size-adjustable protective mask according to claim 1, wherein: the pressing column (8) and the insertion block (12) are connected through a connecting plate, the pressing column (8), the insertion block (12) and the connecting plate are movably located in the fixed inner cavity (10), and the two connecting plates are connected through two springs (11).

5. A size-adjustable protective mask according to claim 1, wherein: one end of the fixing column (7) is fixedly connected with the elastic belt (3), and one section of the fixing column (7) is connected with the insertion hole (14) in the connecting semi-ring (2) in an insertion mode.

6. A size-adjustable protective mask according to claim 1, wherein: the two sides of the telescopic buckle (4) are provided with telescopic holes in a penetrating mode, one of the telescopic holes in the elastic band (3) and the telescopic buckle (4) is fixedly connected in a penetrating mode, and the other telescopic hole in the other elastic band (3) and the telescopic buckle (4) is movably connected in a penetrating mode.

7. A size-adjustable protective mask according to claim 1, wherein: the fixed laminating of internal surface of elastic webbing (3) has nylon fastener (5), the fixed laminating of external surface of elastic webbing (3) one side has nylon cushion (6).