CN216796557U

CN216796557U - Medical mask

Info

Publication number: CN216796557U
Application number: CN202121651214.7U
Authority: CN
Inventors: 王洪福
Original assignee: Fengchunyuan Medical Device Shenzhen Co ltd
Current assignee: Fengchunyuan Medical Device Shenzhen Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-06-24
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a medical mask, which relates to the technical field of medical supplies and comprises an outer-layer mask, wherein an inner-layer mask is placed at the rear part of the back surface of the outer-layer mask, fixed blocks are fixedly connected to the left side and the right side of the back surface of the inner-layer mask, the front surfaces of the two fixed blocks are fixedly connected with the back surfaces respectively, a first lace is fixedly connected to each back surface, symmetrical air outlet pipes are fixedly communicated with the middle part of each front surface, the rear end of each air outlet pipe penetrates through and extends to the rear part of the back surface of the inner-layer mask, a first stop block is fixedly connected to the inner side wall of each air outlet pipe, and a baffle matched with the first stop block is hinged to the inner side wall of each first stop block through a pin shaft. This medical gauze mask through the third dog that sets up, can prevent that fixed knot from dropping to influence the straining in second frenulum, this medical gauze mask has solved current medical gauze mask and can not adjust according to the facial size of wearer, and gives vent to anger the problem that the effect is not good, easily drops.

Description

Medical mask

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a medical mask.

Background

The mask is a sanitary product, is generally worn at the mouth and nose part and is used for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, generally, a large number of patients with various diseases are concentrated in a hospital, so that people are easily infected by germs and viruses, particularly doctors need to be in a germ-intensive environment for a long time, and therefore the air entering the lung when wearing the mask has a certain filtering effect.

However, the size of the mask cannot be adjusted according to the size of the face of a wearer, so that the face of the wearer is not matched with the mask, and the existing medical mask has the problems of poor air outlet effect and easy falling off during wearing.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a medical mask, which solves the problems that the existing medical mask can not be adjusted according to the size of the face of a wearer, has poor air outlet effect and is easy to fall off.

In order to achieve the purpose, the utility model provides the following technical scheme: a medical mask comprises an outer layer mask, an inner layer mask is placed at the rear part of the back of the outer layer mask, fixed blocks are fixedly connected to the left side and the right side of the back of the inner layer mask, the front of the two fixed blocks are fixedly connected with the back of the inner layer mask respectively, a first lace is fixedly connected to the back of each fixed block, symmetrical air outlet pipes are fixedly communicated with the middle part of the front of the outer layer mask, the rear end of each air outlet pipe penetrates through and extends to the rear part of the back of the inner layer mask, a first stop block is fixedly connected to the inner side wall of each air outlet pipe, a baffle matched with the first stop block is hinged to the inner side wall of each first stop block through a pin shaft, an arc-shaped chute is formed between two surfaces, close to each other, of the inner layer mask and the outer layer mask, a middle layer mask is slidably connected to the inner part of the arc-shaped chute, and a clamping piece is hinged to the middle part of the front of the middle layer mask through a pin shaft, the upper part of the outer surface of the outer layer mask is fixedly connected with a second stop dog matched with the card.

As a further description of the above technical solution, the front portion of the bottom surface of the card is fixedly connected with a spring, the other end of the spring is fixedly connected with the front surface of the middle layer mask, and through the arranged spring, when the middle layer mask is pulled out, the card can be automatically clamped on the second stop block to fix the middle layer mask and prevent the middle layer mask from falling.

As a further description of the above technical solution, each of the baffles is located in front of each of the first stoppers, and the diameter of the first stopper is larger than that of the baffle, so that bacteria in the external air can be prevented from entering the inner mask when inhaling air by disposing the baffle in front of the first stopper.

As further description of the technical scheme, the inner layer mask is composed of active carbon and other disinfectant, bacteria can be filtered and disinfected through the arranged inner layer mask, and the practicability of the mask is enhanced.

As above-mentioned technical scheme's further description, two the symmetrical second frenulum of the equal fixedly connected with in middle part of the side that the fixed block was kept away from each other, every the buckle of a plurality of evenly distributed of positive fixedly connected with of one of them second frenulum, a plurality of evenly distributed's draw-in grooves are seted up at the back of another second frenulum, draw-in groove and buckle looks joint through the mating reaction of the draw-in groove that sets up and buckle, can make two second frenulums carry out the joint, have further avoided droing of gauze mask.

As the further description of above-mentioned technical scheme, the surface sliding connection in one of them second frenulum has fixed the knot, the briquetting has been placed to the inside of fixed knot, the positive middle part fixed mosaic of briquetting has the bearing, the positive middle part threaded connection of fixed knot has the threaded rod, the surface of threaded rod lower extreme and the inner circle fixed connection of bearing can make briquetting and fixed knot extrude two second frenulums through the mating reaction of the threaded rod that sets up and bearing to lock two second frenulums, prevent that the gauze mask from droing.

As a further description of the above technical solution, a third block is placed on the right side of the fixing buckle, the left side surface of the third block is fixedly connected with the right side surface of one of the second belts, and the fixing buckle can be prevented from falling through the arranged third block, thereby affecting the fastening of the second belts.

Compared with the prior art, the utility model has the following beneficial effects:

1. this medical gauze mask through the spring that sets up, can be when pulling out the middle level gauze mask, the card can be automatic card on the second dog, fixes for the middle level gauze mask, prevents that it from dropping, through setting up the baffle in the front portion of first dog, can prevent when breathing in during the bacterium among the external gas gets into the inlayer gauze mask, through the inlayer gauze mask that sets up, can filter and disinfect the bacterium, has strengthened the practicality of gauze mask.

2. This medical gauze mask, cooperation through the draw-in groove that sets up and buckle, can make two second frenulums carry out the joint, further avoided droing of gauze mask, cooperation through the threaded rod that sets up and bearing, can make briquetting and fixed knot extrude two second frenulums, thereby lock two second frenulums, prevent that the gauze mask from droing, third dog through setting up, can prevent that fixed knot from dropping, thereby influence the straining of second frenulum, this medical gauze mask, it can not adjust according to the facial size of wearer to have solved current medical gauze mask, and it is not good to give vent to anger the effect, the problem that easily drops.

Drawings

FIG. 1 is a front view of an inner mask of the present invention;

FIG. 2 is a front view of the outer mask of the present invention;

FIG. 3 is a cross-sectional view of a front view of the holder buckle of the present invention;

FIG. 4 is a cross-sectional view of the left side view of the outlet tube of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1-outer layer mask; 2-inner layer mask; 3, fixing blocks; 4-a first strap; 5-air outlet pipe; 6-a first stop block; 7-a baffle plate; 8-arc chute; 9-middle layer mask; 10-card; 11-a spring; 12-a second strap; 13-buckling; 14-a card slot; 15-fixing buckle; 16-briquetting; 17-a bearing; 18-a threaded rod; 19-a second stop; 20-third stop.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a medical mask comprises an outer layer mask 1, an inner layer mask 2 is placed at the rear part of the back surface of the outer layer mask 1, fixed blocks 3 are fixedly connected to the left side and the right side of the back surface of the inner layer mask 2, the front surfaces of the two fixed blocks 3 are fixedly connected with the back surface of the outer layer mask 1 respectively, a first lace 4 is fixedly connected to the back surface of each fixed block 3, symmetrical air outlet pipes 5 are fixedly communicated with the middle part of the front surface of the outer layer mask 1, the rear end of each air outlet pipe 5 penetrates through and extends to the rear part of the inner layer mask 2, a first stop block 6 is fixedly connected to the inner side wall of each air outlet pipe 5, a baffle 7 matched with the first stop block 6 is hinged to the inner side wall of each first stop block 6 through a pin shaft, an arc-shaped chute 8 is formed between two surfaces, which are close to the outer layer mask 1 and the inner layer mask 2, a middle layer mask 9 is connected to the inside of the arc-shaped chute 8 in a sliding manner, the middle part of the front surface of the middle layer mask 9 is hinged with a card 10 through a pin shaft, the upper part of the outer surface of the outer layer mask 1 is fixedly connected with a second stop dog 19 matched with the card 10, the front part of the bottom surface of the card 10 is fixedly connected with a spring 11, the other end of the spring 11 is fixedly connected with the front surface of the middle layer mask 9, through the arranged spring 11, when the middle layer mask 9 is pulled out, the card 10 can be automatically clamped on the second stop dog 19 to fix the middle layer mask 9 and prevent the middle layer mask 9 from falling off, each baffle 7 is positioned at the front part of each first stop dog 6, the diameter of each first stop dog 6 is larger than that of each baffle 7, through arranging the baffles 7 at the front parts of the first stop dogs 6, bacteria in external gas can be prevented from entering the inner layer mask 2 when air is inhaled, the inner layer mask 2 is composed of disinfectant such as activated carbon, through the arranged inner layer mask 2, the bacteria can be filtered and disinfected, the practicability of the mask is enhanced, symmetrical second laces 12 are fixedly connected to the middle of one side face, far away from each other, of each two fixing blocks 3, a plurality of buckles 13 which are uniformly distributed are fixedly connected to the front face of one second lace 12, a plurality of clamping grooves 14 which are uniformly distributed are formed in the back face of the other second lace 12, the clamping grooves 14 are clamped with the buckles 13, the two second laces 12 can be clamped through the matching effect of the arranged clamping grooves 14 and the buckles 13, the mask is further prevented from falling off, a fixing buckle 15 is slidably connected to the outer surface of one second lace 12, a pressing block 16 is placed inside the fixing buckle 15, a bearing 17 is fixedly embedded in the middle of the front face of the pressing block 16, a threaded rod 18 is connected to the middle of the front face of the fixing buckle 15 through threads, the outer surface of the lower end of the threaded rod 18 is fixedly connected with the inner ring of the bearing 17, and through the matching effect of the arranged threaded rod 18 and the bearing 17, can make 16 and the fixed knot 15 of briquetting extrude two second frenulum 12 to locking two second frenulum 12, preventing that the gauze mask from droing, third dog 20 has been placed on the right side of fixed knot 15, and the left surface of third dog 20 and the right flank fixed connection of one of them second frenulum 12 can prevent that fixed knot 15 from dropping through the third dog 20 that sets up, thereby influences the straining of second frenulum 12.

The working principle is as follows: when the mask needs to be worn, the mask is fixed on ears and the face of a wearer through the two first laces 4, at the moment, one second lace 12 is inserted into the fixing buckle 15, the two second laces 12 are attached through the clamping groove 14 and the buckle 13, the distance between the two second laces 12 is adjusted according to the comfort degree of the wearer, after the wearer feels appropriate, the threaded rod 18 is screwed, the threaded rod 18 rotates to drive the pressing block 16 to move downwards, so that the two second laces 12 are pressed tightly, when the face of the wearer is not appropriate with the caliber of the mask, the middle-layer mask 9 is pulled upwards, at the moment, the clamping piece 10 automatically bounces under the action of the spring 11 and is clamped with the second stop block 19, the middle-layer mask 9 is fixed, when the wearer exhales, the stop plate 7 is blown up, exhaled air is exhaled from the air outlet pipe 5, the stop plate 7 is blocked by the first stop block 6 when inhaling air, in external bacterium can not get into the gauze mask along with gaseous, this medical gauze mask can adjust according to wearer's face size, and give vent to anger effectually, be difficult for droing when wearing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medical mask, includes outer layer gauze mask (1), its characterized in that: inner layer gauze mask (2) has been placed at the rear portion at outer gauze mask (1) back, the left side and the equal fixedly connected with fixed block in right side (3), two of the front of fixed block (3) respectively with the back fixed connection of outer gauze mask (1), every the equal fixedly connected with in back of fixed block (3) takes (4), the positive middle part fixed intercommunication of outer gauze mask (1) has symmetrical outlet duct (5), every the rear end of outlet duct (5) all runs through and extends to the rear portion at inner layer gauze mask (2) back, every the equal fixedly connected with first dog (6) of inside wall of outlet duct (5), every the inside wall of first dog (6) all articulates through the round pin axle has baffle (7) with first dog (6) looks adaptation, arc spout (8) have been seted up between two faces that inner layer gauze mask (2) and outer gauze mask (1) are close to each other, the inner sliding connection of the arc-shaped sliding groove (8) is provided with a middle layer mask (9), the middle of the front surface of the middle layer mask (9) is hinged with a card (10) through a pin shaft, and the upper part of the outer surface of the outer layer mask (1) is fixedly connected with a second stop block (19) matched with the card (10).

2. The medical mask according to claim 1, wherein: the front part of the bottom surface of the card (10) is fixedly connected with a spring (11), and the other end of the spring (11) is fixedly connected with the front surface of the middle layer mask (9).

3. The medical mask according to claim 1, wherein: each baffle plate (7) is positioned in front of each first baffle plate (6), and the diameter of each first baffle plate (6) is larger than that of each baffle plate (7).

4. The medical mask according to claim 1, wherein: the inner layer mask (2) is composed of activated carbon.

5. The medical mask according to claim 1, wherein: two the symmetrical second frenulum (12) of the equal fixedly connected with in middle part of the side that fixed block (3) kept away from each other, every buckle (13) of a plurality of evenly distributed of front fixedly connected with of one of them second frenulum (12), a plurality of evenly distributed's draw-in groove (14) have been seted up at the back of another second frenulum (12), draw-in groove (14) and buckle (13) looks joint.

6. The medical mask as set forth in claim 5, wherein: the surface sliding connection of one of them second frenulum (12) has fixed knot (15), briquetting (16) have been placed to the inside of fixed knot (15), the positive middle part of briquetting (16) is fixed to be inlayed and is had bearing (17), the positive middle part threaded connection of fixed knot has threaded rod (18), the surface of threaded rod (18) lower extreme and the inner circle fixed connection of bearing (17).

7. The medical mask as set forth in claim 6, wherein: a third block (20) is arranged on the right side of the fixing buckle (15), and the left side surface of the third block (20) is fixedly connected with the right side surface of one of the second laces (12).