CN106512251B

CN106512251B - Face mask and method of assembling the same

Info

Publication number: CN106512251B
Application number: CN201610966713.2A
Authority: CN
Inventors: 冯斌
Original assignee: Antra Technologies Co ltd
Current assignee: Antra Technologies Co ltd
Priority date: 2016-10-28
Filing date: 2016-10-28
Publication date: 2022-07-01
Anticipated expiration: 2036-10-28
Also published as: CN106512251A

Abstract

The invention relates to a mask, which comprises a mask main body, a protective sheet and a rear cover component, wherein the protective sheet and the rear cover component are arranged on a front side window of the mask main body; a bayonet is arranged at one end of the window, and fixing shafts are arranged at two sides of the other end of the window; one end of the rear cover is provided with a bayonet boss matched with the bayonet, and two sides of the other end are provided with rotary lock catches matched with the fixed shaft. The invention also provides an assembly method of the mask, which comprises the following steps: securing a protective sheet to the front window of the mask body; assembling the filter and the rear cover together to form a rear cover assembly; after a bayonet projection at one end of a rear cover in the rear cover assembly is obliquely inserted into a bayonet on a front side window, the other end of the rear cover is pressed, and a rotary lock catch is buckled on the fixed shaft; and rotating the rotary lock catch clockwise to lock the rotary lock catch with the fixed shaft, thereby completing the assembly operation. The invention has reasonable structural design, simple and quick whole assembly operation and convenient disassembly.

Description

Face mask and method of assembling the same

Technical Field

The invention relates to the technical field of masks and mask assembly.

Background

Among the prior art, need install the back shroud subassembly on the front side window of face guard, the back shroud subassembly includes filter and back lid, because structural design is reasonable inadequately, assembly complex operation between back shroud subassembly and the face guard to after the assembly, also not quick detachable, inconvenient change.

Disclosure of Invention

In view of the above problems in the prior art, the applicant has conducted research and improvement to provide a mask and an assembling method thereof, which can rapidly assemble a rear cover assembly and a mask together by using a new connecting structure, and which is very convenient to disassemble.

In order to solve the problems, the invention adopts the following scheme:

a mask comprises a mask body, a protection sheet and a rear cover component, wherein the protection sheet and the rear cover component are arranged on a front window of the mask body; a bayonet is arranged at one end of the window, and fixing shafts are arranged at two sides of the other end of the window; one end of the rear cover is provided with a bayonet boss matched with the bayonet, and two sides of the other end are provided with rotary lock catches matched with the fixed shaft.

As a further improvement of the technical scheme:

one end of the fixed shaft is provided with a clamping seat, the side surface of the clamping seat is provided with a bulge, the rear cover is provided with a clamping seat, a clamping hole is formed in the clamping seat, and the clamping seat is clamped on the clamping seat.

The upper end of the buckle seat is provided with a clamping groove, the protrusion comprises an upper protrusion and a lower protrusion, the lower side of the end part of the lower protrusion is provided with a hook part, the clamping groove is buckled at the upper end of the clamping seat after the buckle seat is installed on the clamping seat, and the upper protrusion and the lower protrusion are buckled in the clamping hole.

The rotary lock catch comprises a rotary shaft rotatably arranged in a shaft sleeve at the end part of the rear cover and a clamping sleeve arranged at the end part of the rotary shaft, and the clamping sleeve is provided with a handle and a U-shaped clamping groove matched with the fixed shaft.

A method of assembling the mask of claim 1, comprising the steps of:

firstly, fixing a protection sheet on a front window of a mask body;

secondly, assembling the filter and the rear cover together to form a rear cover assembly;

thirdly, after a bayonet projection at one end of a rear cover in the rear cover assembly is obliquely inserted into a bayonet on the front side window, the other end of the rear cover is pressed, and the rotary lock catch is buckled on the fixed shaft;

and fourthly, rotating the rotary lock catch clockwise to lock the rotary lock catch with the fixed shaft, and finishing assembly operation.

The invention has the technical effects that:

the mask main body and the rear cover component are reasonable in structural design, can be assembled together by adopting three steps of inclined insertion, pressing and locking, and are simple and quick in whole operation and convenient to disassemble.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is an exploded structural view of the present invention.

FIG. 3 is a block diagram of the mask body of the present invention.

Fig. 4 is a schematic view of a fixed shaft mounted to a mask body in accordance with the present invention.

Fig. 5 is a structural view of the mask body of the present invention with a fixed shaft attached thereto.

Fig. 6 is a partially enlarged view of fig. 5 at a.

FIG. 7 is a structural view of a rear cover assembly according to the present invention.

Fig. 8 is an exploded view of the rear cover assembly of the present invention.

FIG. 9 is a block diagram of the angled insertion of the rear cover assembly into the mask body.

FIG. 10 is a block diagram of the pressing of the rear cover assembly against the mask body.

Fig. 11 is a block diagram of the locking of the rear cover assembly to the mask body using the rotating buckle 6.

FIG. 12 is a block diagram of the assembly of the rear cover assembly to the mask body.

In the figure: 1. a mask body; 101. a window; 102. a bayonet; 2. a protective sheet; 3. a rear cover; 301. a bayonet projection; 302. a shaft sleeve; 4. a filter; 5. a fixed shaft; 6. rotating the lock catch; 601. a rotating shaft; 602. a card sleeve; 603. a handle; 604. a U-shaped clamping groove; 7. a buckle seat; 701. a card slot; 8. a protrusion; 801. an upper bulge; 802. a lower bulge; 803. a hook portion; 9. a card holder; 901. and (4) clamping the hole.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, 2 and 3, the mask of the present embodiment includes a mask body 1, a protective sheet 2 and a rear cover assembly mounted on a front window 101 of the mask body 1, wherein the protective sheet is made of PC material, and the rear cover assembly includes a rear cover 3 and a filter 4 assembled together; one end of the window 101 is provided with a bayonet 102, and two sides of the other end are provided with fixed shafts 5; one end of the rear cover 3 is provided with a bayonet bulge 301 matched with the bayonet 102, and two sides of the other end are provided with rotary lock catches 6 matched with the fixed shaft 5.

As shown in fig. 4, 5 and 6, one end of the fixing shaft 5 is provided with a fastening seat 7, a protrusion 8 is arranged on a side surface of the fastening seat 7, a fastening seat 9 is installed on the rear cover 3, a fastening hole 901 is arranged in the fastening seat 9, and the fastening seat 7 is fastened on the fastening seat 9. The fixing shaft 5 can be detached from the mask main body 1 by using the buckle seat 7, and is convenient to assemble, namely, the fixing shaft 5 and the mask main body 1 are in a split structure, so that the fixing shaft and the mask main body are convenient to machine and form.

As shown in fig. 4 and 6, a clamping groove 701 is provided at the upper end of the buckle seat 7, the protrusion 8 includes an upper protrusion 801 and a lower protrusion 802, a hook 803 is provided at the lower side of the end portion of the lower protrusion 802, after the buckle seat 7 is mounted on the clamping seat 9, the clamping groove 701 is buckled at the upper end of the clamping seat 9, and the upper protrusion 801 and the lower protrusion 802 are buckled in the clamping hole 901. The T-shaped structure of the upper bulge 801 and the lower bulge 802 is adopted, and the hook part 803 is arranged, so that the connection stability of the clamping seat 7 and the clamping seat 9 can be effectively improved.

As shown in fig. 2, 7 and 8, the rotary latch 6 includes a rotary shaft 601 rotatably mounted in the shaft sleeve 302 at the end of the rear cover 3, and a clamp sleeve 602 disposed at the end of the rotary shaft 601, wherein the clamp sleeve 602 is provided with a handle 603 and a U-shaped slot 604 adapted to the fixed shaft 5. After the U-shaped slot 604 of the rotary lock catch is engaged with the fixed shaft 5, the engaging sleeve 602 is rotated clockwise, so that the open end of the U-shaped slot 604 is changed to be horizontal, thereby preventing the fixed shaft 5 from being disengaged from the rotary lock catch 6.

As shown in fig. 9-12, this embodiment is a method of assembling a mask, comprising the steps of:

firstly, fixing a protection sheet 2 on a front window 101 of a mask body 1;

secondly, assembling the filter 4 and the rear cover 3 together to form a rear cover component;

thirdly, inserting a bayonet projection 301 at one end of a rear cover 3 in the rear cover assembly into a bayonet 102 on a front side window 101 in an inclined manner, pressing the other end of the rear cover 3, and buckling a rotary lock catch 6 on a fixed shaft 5;

and fourthly, rotating the rotary lock catch 6 clockwise to lock the rotary lock catch with the fixed shaft 5, and finishing assembly operation.

The assembly operation of the invention is very simple, the locking is carried out by adopting the mode of the rotating lock catch 6, and the rotating lock catch 6 only needs to be reversely rotated when the lock is disassembled.

The above-mentioned embodiments are only for convenience of description of the invention, and are not intended to limit the invention in any way, and those skilled in the art will understand that the technical features of the invention can be modified or modified by the equivalent embodiments without departing from the scope of the invention.

Claims

1. The utility model provides a mask, includes mask body (1), installs protecting sheet (2) and back lid subassembly on mask body (1) front side window (101), its characterized in that: the rear cover assembly comprises a rear cover (3) and a filter (4) which are assembled together; a bayonet (102) is arranged at one end of the window (101), and a fixed shaft (5) is arranged at two sides of the other end of the window; one end of the rear cover (3) is provided with a bayonet boss (301) matched with the bayonet (102), and two sides of the other end are provided with rotary lock catches (6) matched with the fixed shaft (5); one end of the fixed shaft (5) is provided with a buckle seat (7), the side surface of the buckle seat (7) is provided with a bulge (8), a clamp hole (901) is formed in the clamp seat (9), and the buckle seat (7) is buckled on the clamp seat (9); a clamping groove (701) is formed in the upper end of the clamping seat (7), the protrusion (8) comprises an upper protrusion (801) and a lower protrusion (802), a hook portion (803) is arranged on the lower side of the end portion of the lower protrusion (802), the clamping seat (7) is arranged on the clamping seat (9), the clamping groove (701) is buckled on the upper end of the clamping seat (9), and the upper protrusion (801) and the lower protrusion (802) are buckled in the clamping hole (901); the rotary lock catch (6) comprises a rotary shaft (601) rotatably arranged in a shaft sleeve (302) at the end part of the rear cover (3) and a clamping sleeve (602) arranged at the end part of the rotary shaft (601), wherein a handle (603) and a U-shaped clamping groove (604) matched with the fixed shaft (5) are arranged on the clamping sleeve (602); the assembly method of the mask comprises the following steps:

firstly, fixing a protection sheet (2) on a front side window (101) of a mask body (1);

secondly, assembling the filter (4) and the rear cover (3) together to form a rear cover assembly;

thirdly, inserting a bayonet projection (301) at one end of a rear cover (3) in the rear cover component into the front side window (101) in an inclined way

After the bayonet (102) is arranged, the other end of the rear cover (3) is pressed, and the rotary lock catch (6) is buckled on the fixed shaft (5);

and fourthly, rotating the rotary lock catch (6) clockwise to lock the rotary lock catch with the fixed shaft (5) to finish the assembly operation.