CN212036138U

CN212036138U - Protective mask

Info

Publication number: CN212036138U
Application number: CN202020466378.1U
Authority: CN
Inventors: 许志明; 李紫沿; 韦仲毅
Original assignee: C&s Paper Yunfu Co ltd
Current assignee: C&s Paper Yunfu Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-01
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to the technical field of masks, in particular to a protective mask, two ear belts are respectively fixed on two sides of a mask body; c-shaped ear hooks are arranged on the ear belts; a circular hole is arranged on one end surface of the C-shaped ear hook; the other end of the C-shaped ear hook is provided with a bottom hole; a movable shaft is arranged in the guide hole; one end of the movable shaft is provided with a convex ring; a spring is arranged inside the round hole; the spring is sleeved on the shaft body of the movable shaft; one end of the spring is tightly pressed on the inner bottom wall of the round hole; the other end of the spring is tightly pressed on the convex ring; the pressing strip is pressed on the ear belt; the C-shaped ear hook is made of silicon rubber material. Use the utility model discloses the time, the length of ear area can be adjusted according to the user demand to this structure, reduces the pain that the ear area brought for the ear, and the C type ear-hang of silicon rubber material can further reduce the pressure of ear area to the ear moreover for the face guard body more with the laminating of face.

Description

Protective mask

Technical Field

The utility model relates to a gauze mask technical field, in particular to protective mask.

Background

The protective mask uses the ear-hanging type head band, the head band is not easy to fall off, the nose strip is embedded, the sealing performance is stronger, in the process of using the protective mask, the ear band of the protective mask cannot be firmly worn on the ear band due to the small face shape, the ear band is often loosened, the protective mask falls off, the peculiar smell in the air cannot come from the protective mask, so that the peculiar smell in the air enters the respiratory system of a person through the filter port of the protective mask, and certain influence exists; if the ear band is tightened too tightly, the ear band is stretched while tightening the ear, so that the contact area of the ear band and the ear is reduced, the pressure is increased, and the pain of the ear is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protective facial mask to prior art's defect and not enough.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model relates to a protective mask, which comprises a mask body and two ear belts; the two ear belts are respectively fixed on the two sides of the mask body; c-shaped ear hooks are arranged on the ear belts; the outer surface of the C-shaped ear hook is provided with two open slots; the body of the ear belt is embedded into the two open grooves; a circular hole is formed in one end face of the C-shaped ear hook; the other end of the C-shaped ear hook is provided with a bottom hole; a guide hole is arranged between the bottom hole and the round hole; a movable shaft is arranged in the guide hole; the movable shaft is matched with the guide hole; one end of the movable shaft is provided with a convex ring; a spring is arranged inside the round hole; the spring is sleeved on the shaft body of the movable shaft; one end of the spring is tightly pressed on the inner bottom wall of the round hole; the other end of the spring is tightly pressed on the convex ring; two pressing strips are fixed at one end of the movable shaft extending into the bottom hole; the two pressing strips respectively extend into two open slots on the same C-shaped ear hook; the pressing strip is pressed on the ear belt; the C-shaped ear hook is made of silicon rubber materials.

Furthermore, the cross section of the open slot is in a T shape.

Furthermore, the tail ends of the pressing strips are provided with teeth.

After the structure is adopted, the utility model discloses beneficial effect does: in the protective mask of the utility model, two ear belts are respectively fixed on two sides of the mask body; c-shaped ear hooks are arranged on the ear belts; the outer surface of the C-shaped ear hook is provided with two open slots; the body of the ear belt is embedded into the two open grooves; a circular hole is arranged on one end surface of the C-shaped ear hook; the other end of the C-shaped ear hook is provided with a bottom hole; a guide hole is arranged between the bottom hole and the round hole; a movable shaft is arranged in the guide hole; the movable shaft is matched with the guide hole; one end of the movable shaft is provided with a convex ring; a spring is arranged inside the round hole; the spring is sleeved on the shaft body of the movable shaft; one end of the spring is tightly pressed on the inner bottom wall of the round hole; the other end of the spring is tightly pressed on the convex ring; two pressing strips are fixed at one end of the movable shaft extending into the bottom hole; the two pressing strips respectively extend into two open slots on the same C-shaped ear hook; the pressing strip is pressed on the ear belt; the C-shaped ear hook is made of silicon rubber material. When the utility model is used, the inner side surface of the C-shaped ear hook is designed into an ergonomic structure and can be attached to the back of the ear as far as possible, and the C-shaped ear hook is made of a silicon rubber material with lower hardness, so that the pressure on the ear is reduced, and the comfort level is improved; after the ear belt is embedded into the open slot, the ear belt is tensioned and attached to the inner side surface of the open slot; the ear belt is pressed tightly on the side wall of the open slot and fixed through the two pressing strips; the tightness of the ear band can be adjusted according to the size of the head circumference; the movable shaft is pressed to overcome the acting force of the spring, so that the pressing strip loosens the pressing on the ear belt, and the ear belt can slide in the open slot to realize the tightness adjustment of the ear belt; the length of ear area can be adjusted according to the user demand to this structure, reduces the pain that ear area brought for the ear, and the C type ear-hang of silicon rubber material can further reduce the pressure of ear area to the ear moreover for the face guard body more with the laminating of face.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a C-shaped ear hook;

FIG. 3 is an enlarged view of section A of FIG. 2;

description of reference numerals:

1. a mask body; 2. an ear band; 3. c-shaped ear hooks; 301. an open slot; 302. a circular hole;

303. a guide hole; 304. a bottom hole; 4. a movable shaft; 401. a convex ring; 5. layering; 6. a spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 3, the protective mask of the present invention comprises a mask body 1 and two ear straps 2; the two ear belts 2 are respectively fixed on two sides of the mask body 1; the ear belts 2 are provided with C-shaped ear hooks 3; the outer surface of the C-shaped ear hook 3 is provided with two open grooves 301; the body of the ear belt 2 is embedded into the two open grooves 301; a round hole 302 is arranged on one end face of the C-shaped ear hook 3; the other end of the C-shaped ear hook 3 is provided with a bottom hole 304; a guide hole 303 is arranged between the bottom hole 304 and the round hole 302; a movable shaft 4 is arranged in the guide hole 303; the movable shaft 4 is matched with the guide hole 303; a convex ring 401 is arranged at one end of the movable shaft 4; a spring 6 is arranged inside the round hole 302; the spring 6 is sleeved on the shaft body of the movable shaft 4; one end of the spring 6 is pressed on the inner bottom wall of the round hole 302; the other end of the spring 6 is tightly pressed on the convex ring 401; two pressing strips 5 are fixed at one end of the movable shaft 4 extending into the bottom hole 304; the two pressing strips 5 respectively extend into two open grooves 301 on the same C-shaped ear hook 3; the pressing strip 5 is pressed on the ear belt 2; the C-shaped ear hook 3 is made of silicon rubber material; the inner side surface of the C-shaped ear hook 3 is designed into an ergonomic structure and can be attached to the back of the ear as far as possible, and the C-shaped ear hook 3 is made of a silicon rubber material with lower hardness, so that the pressure on the ear is reduced, and the comfort level is improved; after the ear belt 2 is embedded into the open slot 301, the ear belt 2 is tensioned and attached to the inner side surface of the open slot 301; the ear belt 2 is pressed tightly on the side wall of the open slot 301 and fixed through the two pressing strips 5; the tightness of the ear belt 2 can be adjusted according to the size of the head circumference; the movable shaft 4 is pressed to overcome the acting force of the spring 6, so that the pressing strip 5 loosens the pressing on the ear belt 2, the ear belt 2 can slide in the open slot 301, and the tightness adjustment of the ear belt 2 is realized; this structure can adjust the length of ear area 2 according to the user demand, reduces the pain that the ear area brought for the ear, and the C type ear-hang 3 of silicon rubber material can further reduce the pressure of ear area 2 to the ear moreover for face guard body 1 is laminated with the face more.

As a preferable mode of the present invention, the cross section of the open slot 301 is shaped like a "T".

As an optimized mode of the utility model, the end of layering 5 all is provided with tooth, and tooth can increase the frictional force between ear area 2 and layering 5, plays the antiskid.

When the utility model is used, the inner side surface of the C-shaped ear hook is designed into an ergonomic structure and can be attached to the back of the ear as far as possible, and the C-shaped ear hook is made of a silicon rubber material with lower hardness, so that the pressure on the ear is reduced, and the comfort level is improved; after the ear belt is embedded into the open slot, the ear belt is tensioned and attached to the inner side surface of the open slot; the ear belt is pressed and fixed on the side wall of the open slot through the teeth on the two pressing strips; the tightness of the ear band can be adjusted according to the size of the head circumference; the movable shaft is pressed to overcome the acting force of the spring, so that the teeth on the pressing strip are loosened to press the ear belt, and the ear belt can slide in the open slot to realize the tightness adjustment of the ear belt; the length of ear area can be adjusted according to the user demand to this structure, reduces the pain that ear area brought for the ear, and the C type ear-hang of silicon rubber material can further reduce the pressure of ear area to the ear moreover for the face guard body more with the laminating of face.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A protective mask comprises a mask body (1) and two ear belts (2); the two ear belts (2) are respectively fixed on the two sides of the mask body (1); the method is characterized in that: c-shaped ear hooks (3) are arranged on the ear belts (2); the outer surface of the C-shaped ear hook (3) is provided with two open slots (301); the body of the ear belt (2) is embedded into the two open grooves (301); a round hole (302) is arranged on one end face of the C-shaped ear hook (3); the other end of the C-shaped ear hook (3) is provided with a bottom hole (304); a guide hole (303) is arranged between the bottom hole (304) and the round hole (302); a movable shaft (4) is arranged in the guide hole (303); the movable shaft (4) is matched with the guide hole (303); one end of the movable shaft (4) is provided with a convex ring (401); a spring (6) is arranged inside the round hole (302); the spring (6) is sleeved on the shaft body of the movable shaft (4); one end of the spring (6) is pressed on the inner bottom wall of the round hole (302); the other end of the spring (6) is tightly pressed on the convex ring (401); two pressing strips (5) are fixed at one end of the movable shaft (4) extending into the bottom hole (304); the two pressing strips (5) respectively extend into two open slots (301) on the same C-shaped ear hook (3); the pressing strip (5) is pressed on the ear belt (2); the C-shaped ear hook (3) is made of silicon rubber material.

2. The protective mask according to claim 1, wherein: the cross section of the open slot (301) is in a T shape.

3. The protective mask according to claim 1, wherein: the tail ends of the pressing strips (5) are provided with teeth.