CN217854213U

CN217854213U - Empty breathing mask capable of replacing myopia lens

Info

Publication number: CN217854213U
Application number: CN202221876169.XU
Authority: CN
Inventors: 王军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-22
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a respirator technical field especially relates to a can change sky of near-sighted lens and exhale face guard. Including the face guard body, threaded connection is equipped with the breathing filter core on the face guard body, face guard body one side corresponds eye position symmetry and is equipped with the through-hole, the face guard body opposite side corresponds the through-hole and is equipped with the recess, recess and the mutual UNICOM of through-hole, be equipped with the removable mechanism of lens on the recess. The utility model discloses a to the design that the myopia crowd goes on, can conveniently change the myopia lens of various numbers of degrees, do not influence the normal use of the face guard of exhaling simultaneously, whole easy operation, convenient to use.

Description

Empty breathing mask capable of replacing myopia lens

Technical Field

The utility model relates to a respirator technical field especially relates to a can change sky of near-sighted lens and exhale face guard.

Background

Respiratory protection devices often include a mask body and one or more filter cartridges attached to the mask body. The mask body is worn on the face, nose, and mouth of an individual and may include portions that cover the head, neck, or in some cases other body parts. The lenses on the breathing mask generally adopt plane mirrors, so the breathing mask is only suitable for people who can not have myopia, is not friendly to the myopia people, is inconvenient to wear eyes in the breathing mask, and can be used for designing an empty breathing mask capable of replacing a myopia piece.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, the utility model provides a can change the empty face guard of exhaling of near-sighted lens, the utility model discloses a design to what the near-sighted crowd went on can conveniently change the near-sighted lens of various number of degrees, does not influence the normal use of the empty face guard of exhaling simultaneously, whole easy operation, convenient to use.

In order to solve the problems, the provided technical scheme is as follows: the utility model provides a can change sky breathing face guard of myopia lens, includes the face guard body, threaded connection is equipped with the breathing filter core on the face guard body, face guard body one side corresponds eye position symmetry and is equipped with the through-hole, face guard body opposite side corresponds the through-hole and is equipped with the recess, recess and the mutual UNICOM of through-hole, be equipped with the removable mechanism of lens on the recess, the removable mechanism of lens includes the frame of being connected with groove opening is articulated, frame bilateral symmetry is equipped with the buckle, be equipped with the cavity in the frame, the interpolation is equipped with the lens in the cavity, be equipped with the bar through-hole on the frame, the lens upper end extends into in the bar through-hole, frame one side central point puts threaded connection and is equipped with the screw rod, it is equipped with the fixed plate to slide in the bar through-hole, the screw rod extends into one end and fixed plate fixed connection in the bar through-hole, the screw rod other end extends outside the frame.

Furthermore, the mask body is provided with a bandage, and the bandage is made of an elastic material.

Furthermore, a protective cushion is arranged on one side, close to the face, of the mask body.

Furthermore, a knob is arranged at one end of the screw rod extending out of the frame.

Furthermore, a clamping groove is formed in the bottom surface of the cavity, and the lens is matched with the clamping groove.

Furthermore, the upper ends of the lenses extend out of the frame through the strip-shaped through holes.

Furthermore, a sealing ring is arranged on the upper side face of the frame.

The utility model has the advantages that:

the utility model discloses a to the design that the myopia crowd goes on, can conveniently change the myopia lens of various numbers, do not influence the normal use of the face guard is exhaled to the sky simultaneously, whole easy operation, convenient to use.

Drawings

Fig. 1 is a front view of the air breathing mask with replaceable myopia lenses of the present invention.

Fig. 2 is a schematic view of the overlooking structure of the air breathing mask with replaceable myopia lenses of the present invention.

Fig. 3 is a side view schematic diagram of the frame of the air breathing mask capable of replacing the myopia lens of the utility model.

As shown in the figure:

1. face guard body, 2, breathe the filter core, 3, through-hole, 4, recess, 5, frame, 6, buckle, 7, cavity, 8, lens, 9, bar through-hole, 10, screw rod, 11, fixed plate, 12, bandage, 13, protection pad, 14, knob, 15, draw-in groove, 16, sealing washer.

Detailed Description

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

The utility model provides a pair of can change sky breathing face guard of myopia lens, including face guard body 1, threaded connection is equipped with breathing filter core 2 on the

face guard body

1, 1 one side of face guard body corresponds eye position symmetry and is equipped with through-

hole

3, 1 opposite side of face guard body corresponds through-hole 3 and is equipped with recess 4, recess 4 and the mutual UNICOM of through-hole 3, be equipped with the removable mechanism of lens on the recess 4, the removable mechanism of lens includes the frame 5 of being connected with recess 4 opening is articulated, 5 bilateral symmetry of frame is equipped with buckle 6,

buckle

6 and 1 reciprocal anchorage of face guard body make things convenient for opening of frame 5 to close, be equipped with cavity 7 in the frame 5, cavity 7 interpolation is equipped with lens 8, be equipped with bar through-hole 9 on the

frame

5, 8 upper ends of lens extend into in the bar through-hole 9, 5 one side central point threaded connection of frame is equipped with screw rod 10, it is equipped with fixed plate 11 to slide in the bar through-hole 9, screw rod 10 extends into one end and fixed plate 11 fixed connection in the bar through-hole 9, the screw rod 10 other end extends outside the frame 5.

Further, the mask body 1 is provided with a strap 12, and the strap 12 is made of an elastomer material and can be effectively fixed on the head of a user.

Furthermore, the face guard body 1 is equipped with protection pad 13 near facial one side, can provide comfortable sensation of wearing for the user.

Further, a knob 14 is disposed at one end of the screw 10 extending out of the frame 5, so as to facilitate controlling the rotation of the screw 10.

Furthermore, a clamping groove 15 is formed in the bottom surface of the cavity 7, and the lens 8 is matched with the clamping groove 15, so that the lens 15 can be fixed after entering the cavity 7.

Furthermore, the upper end of the lens 8 extends out of the frame 5 through the strip-shaped through hole 9, so that a user can conveniently take and replace the lens 8.

Furthermore, the sealing ring 16 is arranged on the upper side surface of the frame 5, so that the sealing performance between the groove 4 and the frame 5 can be improved.

The working principle is as follows:

the user wears to wear face guard body 1 overhead through bandage 12, be near-sighted personnel, can satisfy daily use through changing near-sighted lens, when needs are changed, open buckle 6, turn out frame 5 outside recess 4, rotatory knob 14, it is rotatory to drive screw rod 10, transfer fixed plate 11 and remove, the lens 8 that will accord with 7 big or small shapes of cavity inserts in cavity 7 through bar through-hole 9, after the installation, rotatory knob 14, it is rotatory to drive screw rod 10, press fixed plate 11 on lens 8, the change to lens 88 has just been accomplished, in upset frame 5 gets into recess 4, buckle 6 is buckled, the user watches through-hole 3.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a can change face guard is exhaled to sky of myopia lens which characterized in that: including the face guard body, threaded connection is equipped with the breathing filter core on the face guard body, face guard body one side corresponds eye position symmetry and is equipped with the through-hole, face guard body opposite side corresponds the through-hole and is equipped with the recess, recess and the mutual UNICOM of through-hole, be equipped with lens interchangeable mechanism on the recess, lens interchangeable mechanism includes the articulated frame of being connected with the recess opening, frame bilateral symmetry is equipped with the buckle, be equipped with the cavity in the frame, the interpolation is equipped with the lens in the cavity, be equipped with the bar through-hole on the frame, the lens upper end extends into in the bar through-hole, frame one side central point puts threaded connection and is equipped with the screw rod, it is equipped with the fixed plate to slide in the bar through-hole, the screw rod extends into one end and fixed plate fixed connection in the bar through-hole, the screw rod other end extends outside the frame.

2. An empty breathing mask with replaceable near vision lens as claimed in claim 1, characterized in that: the mask is characterized in that a bandage is arranged on the mask body and is made of elastomer materials.

3. An empty breathing mask with replaceable near vision lens as claimed in claim 1, characterized in that: one side of the mask body, which is close to the face, is provided with a protective cushion.

4. An empty breathing mask with replaceable near vision lens as claimed in claim 1, characterized in that: and a knob is arranged at one end of the screw rod extending out of the frame.

5. An empty breathing mask with replaceable near vision lens as claimed in claim 1, characterized in that: the bottom surface in the cavity is provided with a clamping groove, and the lens is matched with the clamping groove.

6. An empty breathing mask with replaceable near vision lens as claimed in claim 1, characterized in that: the upper end of the lens extends out of the frame through the strip-shaped through hole.

7. An empty breathing mask capable of replacing a myopia lens according to claim 1, wherein: and a sealing ring is arranged on the upper side surface of the frame.