CN211751913U

CN211751913U - Cover seat locking device of dustproof half mask

Info

Publication number: CN211751913U
Application number: CN202020195088.8U
Authority: CN
Inventors: 陈思维; 陈思敏; 陈绍南; 朱科
Original assignee: Jingzhou Science And Technology Development Ltd
Current assignee: Jingzhou Science And Technology Development Ltd
Priority date: 2020-02-22
Filing date: 2020-02-22
Publication date: 2020-10-27
Anticipated expiration: 2030-02-22

Abstract

The utility model relates to a cover seat locking device of a dustproof half mask, which belongs to the technical field of dustproof mask manufacturing. It comprises wane button device, button mounting groove and couple, and wane button device comprises wane button, button pivot and locking dog, and the preparation of button mounting groove is in one side of enclosing cover, and the couple preparation is in the same one side of pedestal, and wane button device passes through button pivot and pivot hole movable mounting in the button mounting groove of enclosing cover. The utility model discloses a locking claw and couple cooperation locking that dustcoat and pedestal pass through wane button device, and the wane button that only needs to press wane button device gently when closing and opening can be opened or lock, and the locking process is reliable, convenience simple to use. The problem of current protective face mask's locking fastener all utilize the elastic deformation of fastener claw to withhold locking, not only open and waste time and energy, use moreover after the more time because the elastic deformation of material is tired and lose the locking function, lead to protective face mask's enclosing cover can not lock is solved.

Description

Cover seat locking device of dustproof half mask

Technical Field

The utility model relates to a cover seat locking device of a dustproof half mask, which belongs to the technical field of dustproof mask manufacturing.

Background

People move or work in places with serious air pollution, such as dust environment or places with biochemical pollution, generally need to be provided with a breathing device or a mask in order to ensure the health of people, and avoid the occurrence of poisoning and other accidents caused by the inhalation of polluted air; when the breathing device or the dustproof half mask is used, in order to ensure fresh air to be sucked, the filter element inside is frequently replaced, when the filter element is replaced, the locking fasteners of the shell and the base of the protective mask are opened, and the filter element inside can be taken out only after the shell is opened; but the locking fastener of current protective face mask all utilizes the elastic deformation of fastener claw to buckle locking, also breaks out the fastener claw from the catching groove by force when opening, and this kind of structure is first to open hard, still is difficult to open sometimes, and second uses the more back of number of times because the elastic deformation of material is tired and loses the locking function, leads to protective face mask's enclosing cover and base can not lock, can not push down the filter core for dustproof effect reduces or even does not play dustproof effect.

Disclosure of Invention

An object of the utility model is to provide a shell and the base to protective face mask lock through the locking pawl on couple and the wane button, only need press locking device's wane button gently when closing and opening and can easily open or lock, and the locking process is reliable, convenient to use's the lid seat locking device of dustproof half face mask.

The utility model discloses a realize above-mentioned purpose through following technical scheme:

the utility model provides a lid seat locking device of dustproof half face guard, it comprises wane button device, button mounting groove and couple, its characterized in that: the rocker button device consists of a rocker button, a button rotating shaft and locking claws, wherein the button rotating shaft is manufactured on two sides of the middle part of the rocker button, and the locking claws are manufactured at one end of the rocker button; button mounting groove preparation in one side of enclosing cover, the couple preparation in the same one side that corresponds with the button mounting groove of pedestal, rocker button device passes through the button pivot of rocker button both sides and the pivot hole movable mounting on the button mounting groove both sides in the button mounting groove of enclosing cover.

The lower part of the button mounting groove is provided with an embedded groove of a hook.

The hook is of a hollow frame structure, a lock rod is arranged at the hook end part of the hook, and a convex rib is arranged at the lower part of the lock rod.

The outer cover is movably hinged with one side of the seat body through the turnover shaft, and the other side of the outer cover is buckled through the wane button device.

The locking claw is provided with a groove matched with the convex rib at the lower part of the locking rod.

Compared with the prior art, the utility model beneficial effect lie in:

this lid seat locking device of dustproof half face guard locks the dustcoat and the pedestal of protective face guard through the locking pawl of wane button device and the cooperation of couple, only needs to press the wane button of wane button device gently when closing and opening and can easily open or lock, and the locking process is reliable, convenience simple to use. The locking fastener who has solved current protective face mask all utilizes the elastic deformation of fastener claw to buckle locking, also breaks out the fastener claw from the catching groove by force when opening, not only opens and wastes time and energy, still is difficult to open sometimes, uses the more back of number of times moreover because the elastic deformation of material is tired and lose the locking function, leads to protective face mask's enclosing cover can not lock for dustproof effect reduces the problem that can not play dustproof effect even.

Drawings

FIG. 1 is a schematic view of a dust-proof half-mask with a cover and base locking device installed;

FIG. 2 is an exploded view of a dust half mask with the cover and base locking mechanism installed;

FIG. 3 is a schematic view of the cover and base locking mechanism of the dustproof half mask in a locked state;

FIG. 4 is a schematic view of the cover and base locking mechanism of a dust half mask in an unlocked state;

fig. 5 is a schematic structural view of the dust-proof half mask with the outer cover opened after the cover seat locking device is unlocked.

In the figure: 1. the face guard comprises a face guard body, an outer cover, 2-1 parts of a button mounting groove, 2-2 parts of a rotating shaft hole, 2-3 parts of an embedded groove, 3 parts of a seat body, 3-1 parts of a hook, 3-2 parts of a locking rod, 3-3 parts of a turnover shaft, 4 parts of a rocker button device, 4-1 parts of a rocker button, 4-2 parts of a button rotating shaft, 4-3 parts of a locking claw.

Detailed Description

The outer cover 2 of the dustproof half mask is movably hinged with one side of the seat body 3 through a turnover shaft 3-3, and the other side of the outer cover 2 and the seat body 3 is buckled through a cover seat locking device. The cover seat locking device of the dustproof half mask comprises a rocker button device 4, a button mounting groove 2-1 and a hook 3-1, wherein the rocker button device 4 comprises a rocker button 4-1, a button rotating shaft 4-2 and a locking claw 4-3, the button rotating shaft 4-2 is manufactured on two sides of the middle part of the rocker button 4-1, and the locking claw 4-3 is manufactured at one end of the rocker button 4-1; the button mounting groove 2-1 is manufactured at one side of the outer cover 2, and the lower part of the button mounting groove 2-1 is provided with an embedded groove 2-3 of a hook 3-1. The hook 3-1 is manufactured on the same side of the seat body 3 corresponding to the button mounting groove 2-1, the hook 3-1 is of a hollow frame structure, the hook end part of the hook 3-1 is provided with a lock rod 3-2, and the lower part of the lock rod 3-2 is provided with a convex rib. The rocker button device 4 is movably arranged in the button mounting groove 2-1 of the outer cover 2 through the button rotating shaft 4-2 at two sides of the rocker button 4-1 and the rotating shaft holes 2-2 at two sides of the button mounting groove 2-1. The locking claw 4-3 is provided with a groove matched with the convex rib at the lower part of the locking rod 3-2.

The cover seat locking device of the dustproof half mask has the following working process:

when the outer cover 2 and the base body 3 of the dustproof half mask are opened, the filter element is placed on the base body 3, the outer cover 2 covers the base body 3, at the moment, the lock rod 3-2 on the hook 3-1 on one side of the base body 3 is just inserted into the embedded groove 2-3 of the hook 3-1 on one side of the outer cover 2, then the rocker button 4-1 of the rocker button device 4 is pressed down, the locking claw 4-3 on the rocker button 4-1 is just inserted into the lower part of the lock rod 3-2, the hook 3-1 is locked in the embedded groove 2-3 of the outer cover 2, and the outer cover 2 and the base body 3 are locked; in order to ensure the locking reliability, a convex rib is manufactured at the lower part of the locking rod 3-2, a groove is manufactured on the locking claw 4-3, and after the locking claw 4-3 is inserted below the locking rod 3-2, the convex rib at the lower part of the locking rod 3-2 is just clamped in the groove on the locking claw 4-3, so that the locking effect is further ensured. When the outer cover 2 and the base body 3 are to be opened, the cover base locking device can be easily opened only by pressing the other end of the rocker button 4-1, the outer cover 2 is opened at the moment, the used filter element is taken out, a new filter element is replaced, and the outer cover 2 and the base body 3 are locked.

The above description is only a preferred embodiment of the present invention, and the above illustration does not limit the essence of the present invention in any form, and any simple modification or variation of the above embodiments based on the technical essence of the present invention and equivalent embodiments which may be changed or modified to equivalent variations by using the technical essence of the present invention by those of ordinary skill in the art after reading the present description still belong to the technical solution of the present invention without departing from the essence and scope of the present invention.

Claims

1. The utility model provides a lid seat locking device of dustproof half face guard, it comprises wane button device (4), button mounting groove (2-1) and couple (3-1), its characterized in that: the rocker button device (4) consists of a rocker button (4-1), a button rotating shaft (4-2) and locking claws (4-3), wherein the button rotating shaft (4-2) is manufactured on two sides of the middle part of the rocker button (4-1), and the locking claws (4-3) are manufactured at one end of the rocker button (4-1); the button mounting groove (2-1) is manufactured on one side of the outer cover (2), the hook (3-1) is manufactured on the same side of the base body (3) corresponding to the button mounting groove (2-1), and the rocker button device (4) is movably mounted in the button mounting groove (2-1) of the outer cover (2) through the button rotating shaft (4-2) on two sides of the rocker button (4-1) and the rotating shaft holes (2-2) on two sides of the button mounting groove (2-1).

2. The cover-base locking device for a dust-proof half mask as claimed in claim 1, wherein: an embedded groove (2-3) of the hook (3-1) is formed at the lower part of the button mounting groove (2-1).

3. The cover-base locking device for a dust-proof half mask as claimed in claim 1, wherein: the hook (3-1) is of a hollow frame structure, the hook end part of the hook (3-1) is provided with a lock rod (3-2), and the lower part of the lock rod (3-2) is provided with a convex rib.

4. The cover-base locking device for a dust-proof half mask as claimed in claim 1, wherein: the outer cover (2) is movably hinged with one side of the seat body (3) through a turnover shaft (3-3), and the other side of the outer cover is buckled through a warping plate button device (4).

5. The cover-base locking device for a dust-proof half mask as claimed in claim 1, wherein: the locking claw (4-3) is provided with a groove matched with the convex rib at the lower part of the locking rod (3-2).