CN220530529U

CN220530529U - Rotary and fastening comprehensive interface of protective mask

Info

Publication number: CN220530529U
Application number: CN202322055443.8U
Authority: CN
Inventors: 陈思维; 陈思敏; 陈绍南
Original assignee: Jingzhou Science And Technology Development Ltd
Current assignee: Jingzhou Science And Technology Development Ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-02-27
Anticipated expiration: 2033-08-02

Abstract

The utility model relates to a rotary and fastening integrated interface of a protective mask, belonging to the technical field of interfaces of protective masks. The integrated interface comprises an integrated interface body, wherein the integrated interface body consists of an inner rotary interface and an outer clamping interface, and an inner fixing buckle and an inner balancing bayonet are manufactured on the inner wall of the inner rotary interface; the outer wall of the outer clamping interface is provided with a buckling groove. The utility model adopts the structure that the inner wall of the inner rotary interface of the integrated interface body is provided with the inner fixed buckle and the inner balance bayonet, and the outer wall of the outer clamping interface is provided with the buckling groove, so that one interface of the half mask can be provided with the filter cartridge of the rotary interface and the filter mask of the buckling interface. The problem of current half face guard on the market can not exchange when being connected with rotatory and the filter element of lock joint, lead to the user to be equipped with half face guard and the filter element of two kinds of structures, not only increase the cost of purchasing equipment of enterprise, and the user has certain risk when changing half face guard on site is solved.

Description

Rotary and fastening comprehensive interface of protective mask

Technical Field

The utility model relates to a rotary and fastening integrated interface of a protective mask, belonging to the technical field of interfaces of protective masks.

Background

The protective half mask has the protective function that the half mask is used in the polluted environment by installing the filter element (such as dust prevention or gas prevention), but the filter element arranged on the half mask has the use time effect and needs to be replaced for a period of time; the two common structural forms of connection and installation of the half mask and the filter element on the market at present are rotation installation and buckling connection installation, the filter elements configured by the two connection installation are a filter cartridge and a filter mask respectively, the two connection installation structures are suitable for being used in different occasions or under different conditions, such as dust or smoke and other places, and the structure of the filter mask installed in the buckling connection mode is adopted; for example, in the case of toxic and harmful gases, a filter cartridge structure is rotatably installed. If the half mask and the filter element are rotatably installed, the filter element of the rotary interface can only be connected in a matching way; if the half mask and the filter element are in a buckling installation mode, only the filter element of the buckling interface can be matched and matched, and the two structural modes cannot be used interchangeably; however, this would lead to the user having to equip the half mask and the filter element with two structures when using them in different situations or under different conditions, which not only increases the cost of purchasing the equipment by the enterprise, but also presents a certain risk of sucking toxic gases into the human body when the user replaces the half mask on site. Therefore, a comprehensive interface capable of being used for rotation and buckling must be designed to solve the problem.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a rotary and buckling integrated interface for a protective mask, which is convenient to replace and use, wherein a filter element which can be matched with a buckling interface and a filter element which can be matched with a rotary interface are arranged on a half mask.

The utility model realizes the aim through the following technical scheme:

the utility model provides a rotatory and comprehensive interface of lock joint of protective mask, includes comprehensive interface body, its characterized in that: the comprehensive interface body consists of an inner rotary interface and an outer clamping interface, wherein an inner fixed buckle and an inner balance bayonet are manufactured on the inner wall of the inner rotary interface, and the inner fixed buckle and the inner balance bayonet are distributed at intervals; the inner fixing buckle and the inner balancing bayonet are in screwed connection with the outer fixing buckle and the outer balancing bayonet on the outer surface of the filter cylinder rotary opening on the filter cylinder; the outer wall of the outer clamping interface is provided with a buckling groove which is clamped with the buckling inner flange of the filtering face mask clamping interface on the filtering face mask.

And the inner fixing buckle is provided with a limiting boss.

The inner balance bayonet is provided with a guide plane.

The number of the inner fixing buckles and the number of the inner balancing bayonets are at least two.

The buckling groove is of a whole circle structure.

And a sealing ring is arranged on the outer surface of the integrated interface body.

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

the rotary and fastening comprehensive interface of the protective mask is characterized in that an inner fixing buckle and an inner balance bayonet are manufactured on the inner wall of an inner rotary interface of the comprehensive interface body, and a fastening groove is manufactured on the outer wall of an outer fastening interface, so that one interface of one half mask can be provided with a filter cartridge of the rotary interface and a filter mask of the fastening interface, and a user only needs to use one half mask in different occasions or under different conditions. The problem of can not exchange the cooperation when half face guard and rotatory and lock joint's filter element on the existing market are connected and use, lead to the user to use under different occasions or different circumstances, must be equipped with half face guard and filter element of two kinds of structures, not only increase the cost of purchasing equipment of enterprise like this, have certain when half face guard is changed on site to the user moreover and inhale human internal risk with poisonous gas is solved. And the structure is simple, and the use is convenient and quick.

Drawings

FIG. 1 is a schematic perspective view of a rotary and snap-fit integrated interface of a protective mask mounted on a half mask;

FIG. 2 is a schematic diagram of a front view of a rotary and snap-fit integrated interface of a protective mask mounted on a half mask;

FIG. 3 is a schematic side view of a rotary and snap-fit integrated interface of a protective mask mounted to a half mask;

FIG. 4 is a schematic diagram of a structure with a rotary interface formed inside the integrated interface;

FIG. 5 is a schematic view of the structure of the fastening interface on the outside of the integrated interface;

FIG. 6 is an enlarged schematic view of a rotary interface filter element;

FIG. 7 is an enlarged schematic view of a fastening filter element;

FIG. 8 is an exploded view of the integrated port fitted rotary port cartridge;

FIG. 9 is a cross-sectional view of the integrated port with a rotary port filter cartridge attached thereto;

FIG. 10 is an exploded view of a filter mask with a snap-on interface fitted to the integrated interface;

fig. 11 is a cross-sectional view of a filter mask with a snap-on interface fitted to the integrated interface.

In the figure: 1. the integrated interface body, 101, the inner rotary interface, 102, the inner fixed buckle, 103, the inner balance bayonet, 104, the outer clamping interface, 105, the buckling groove, 2, the sealing ring, 3, the half mask, 4, the filter cartridge, 401, the filter cartridge rotary port, 402, the outer fixed buckle, 403, the outer balance bayonet, 5, the filter mask, 501, the filter mask clamping interface, 502 and the buckling inner flange.

Detailed Description

(see figures 1-11):

the rotary and fastening integrated interface of the protective mask comprises an integrated interface body 1, wherein the integrated interface body 1 is formed by an inner rotary joint 101 and an outer fastening joint 104 and is of a cylindrical structure, an inner fixing buckle 102 and an inner balance bayonet 103 are manufactured on the inner wall of the inner rotary joint 101, the inner fixing buckle 102 and the inner balance Heng Kakou 103 are distributed at intervals, and the number of the inner fixing buckle 102 and the inner balance bayonet 103 is at least two, and the optimal scheme is three; the inner fixing buckle 102 is provided with a limiting boss which plays a role in positioning when rotating with the filter cartridge 4; the inner balance bayonet 103 is provided with a guide plane, so that the filter cartridge 4 can be stably screwed in during rotation. The inner fixing clip 102 and the inner balance clip 103 correspond to the outer fixing clip 402 and the outer balance clip 403 on the outer surface of the cartridge spin-on port 401 on the cartridge filter 4, and the cartridge filter 4 is spin-coupled to the integrated interface by rotation. The outer wall of the outer clamping interface 104 is provided with a buckling groove 105, and the buckling groove 105 has a whole circle structure. The buckling groove 105 corresponds to the buckling inner flange 502 on the filtering face mask clamping interface 501 on the filtering face mask 5, and the filtering face mask 5 is clamped with the comprehensive interface in a pressing mode. In order to prevent the problem that the integrated interface and the filtering surface device are not sealed after connection, the outer surface of the integrated interface body 1 is provided with a sealing ring 2.

The connection mode of the rotary and fastening comprehensive interface of the protective mask and the half mask 3 is the same as the common interface mode, and the rotary and fastening comprehensive interface of the protective mask is as follows in the use process: when the filter cartridge 4 is to be installed, the filter cartridge rotating opening 401 of the filter cartridge 4 is aligned with the inner rotary opening 101 on the half mask 3 and is inserted, then the filter cartridge 4 is rotated clockwise, so that the outer fixing buckle 402 and the outer balance bayonet 403 on the filter cartridge rotating opening 401 are in clamping connection with the inner fixing buckle 102 and the inner balance bayonet 103 on the inner rotary opening 101; when the filter cartridge 4 is to be removed, the filter cartridge 4 can be removed by only rotating the filter cartridge counterclockwise. When the filtering face mask 5 is to be installed, the filtering face mask clamping interface 501 of the filtering face mask 5 is aligned to the buckling groove 105 on the outer clamping interface 104 of the half face mask 3, and then the filtering face mask 5 is pressed, so that the buckling inner flange 502 is clamped in the buckling groove 105 on the outer clamping interface 104 for clamping connection; when the filtering face mask 5 is to be removed, the clamping jaw for clamping the half face mask 3 by the index finger and the middle finger of the hand is pulled upwards in the arrow direction, so that the filtering face mask 5 can be removed.

The above description is merely a preferred embodiment of the present utility model, and the above illustration is not to be construed as limiting the spirit of the present utility model in any way, and any simple modification or variation of the above embodiments according to the technical spirit of the present utility model, and equivalent embodiments that may be changed or modified to equivalent variations using the above disclosed technical spirit of the present utility model, will still fall within the scope of the technical solutions of the present utility model, without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides a rotatory and comprehensive interface of lock joint of protective mask, includes comprehensive interface body (1), its characterized in that: the integrated interface body (1) is composed of an inner rotary joint (101) and an outer clamping joint (104), wherein an inner fixing buckle (102) and an inner balancing bayonet (103) are manufactured on the inner wall of the inner rotary joint (101), and the inner fixing buckle (102) and the inner balancing bayonet (103) are distributed at intervals; the inner fixing buckle (102) and the inner balancing bayonet (103) are in screwed connection with the outer fixing buckle (402) and the outer balancing bayonet (403) on the outer surface of the filter cartridge screwing port (401) on the filter cartridge (4); the outer wall of the outer clamping interface (104) is provided with a buckling groove (105), and the buckling groove (105) is clamped with the buckling inner flange (502) of the filtering face mask clamping interface (501) on the filtering face mask (5).

2. The rotary and snap-on integrated interface for a protective mask according to claim 1, wherein: and the inner fixing buckle (102) is provided with a limiting boss.

3. The rotary and snap-on integrated interface for a protective mask according to claim 1, wherein: the inner balance bayonet (103) is provided with a guide plane.

4. The rotary and snap-on integrated interface for a protective mask according to claim 1, wherein: the number of the inner fixing buckles (102) and the number of the inner balance bayonets (103) are at least two.

5. The rotary and snap-on integrated interface for a protective mask according to claim 1, wherein: the buckling groove (105) is of a whole circle structure.

6. The rotary and snap-on integrated interface for a protective mask according to claim 1, wherein: the outer surface of the integrated interface body (1) is provided with a sealing ring (2).