CN219481364U

CN219481364U - Change structure and dust mask filter equipment

Info

Publication number: CN219481364U
Application number: CN202320688850.XU
Authority: CN
Inventors: 姚普俭; 徐云建; 肖波
Original assignee: Wuhan Wanjingchen Fire Technology Co ltd
Current assignee: Wuhan Wanjingchen Fire Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-08
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the technical field of dustproof mask filtering devices, in particular to a replacement structure and a dustproof mask filtering device, comprising: the anti-dust device comprises a base, wherein a dustproof mask is fixedly connected to one side of the base, a fixing table is fixedly connected to the middle part of the dustproof mask, elastic plates are symmetrically connected to the lower end of the fixing table in a left-right mode, a push rod is slidably connected to the middle end of the fixing table, a fixing column is fixedly connected to the middle lower end of the fixing table, a clamping table is fixedly connected to the middle of the upper end of the base, and fixing plates are symmetrically connected to the upper end of the base in a left-right mode; the inner side of each fixing plate is connected with a sliding clamping block in a sliding manner, and the inner wall of each fixing plate is fixedly connected with a spring II; through being provided with the change structure on dustproof face guard, be provided with spring I and brace table on the fixed station to the spout has been seted up on the fixed plate, makes the device when using, and user's operation is convenient and fast more.

Description

Change structure and dust mask filter equipment

Technical Field

The utility model relates to the technical field of dustproof mask filtering device equipment, in particular to a replacement structure and a dustproof mask filtering device.

Background

The dustproof mask is an individual protection article for preventing or reducing dust in the air from entering human respiratory organs so as to protect life safety.

Chinese patent CN110559566a provides a dust mask that is mainly used in industrial sites. The dustproof surface comprises a three-dimensional filter body and a three-dimensional orthosis which is arranged in the three-dimensional filter body in a detachable mode. In particular, in the present utility model, the orthosis comprises a support body made of a non-woven fabric, which is harder than the filter body, has a loose air-permeable tissue structure, is capable of absorbing moisture generated by the respiration of a user, a Wu Liang pressing tool, which is transversely attached to the outer upper end of the support body, is covered by the filter body, and is capable of performing bending adjustment, and a cushion sponge, which is transversely attached to the inner upper end of the support body at a position corresponding to the pressing tool. According to the dustproof mask provided by the utility model, the attaching force and wearing feeling of the nose part of a user can be improved, and moisture generated by breathing can be easily treated.

However, the dustproof device in the scheme has no replacement structure, so that a user cannot operate the dustproof device easily when replacing the filter element, and the filter element is difficult to replace conveniently.

Disclosure of Invention

The utility model aims to provide a replacement structure and a dustproof mask filtering device, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a change structure, includes the base, one side fixedly connected with dust mask of base, the mid portion fixedly connected with fixed station of dust mask, the lower extreme bilateral symmetry of fixed station is connected with the elastic plate, the middle end sliding connection of fixed station has the ejector pin, the middle lower extreme fixedly connected with fixed column of fixed station, the upper end middle fixedly connected with block platform of base, the upper end bilateral symmetry fixedly connected with fixed plate of base;

the inner side of each fixing plate is connected with a sliding clamping block in a sliding manner, and the inner wall of each fixing plate is fixedly connected with a spring II;

the lower end of the ejector rod is rotationally connected with a connecting block in bilateral symmetry, and a through hole is formed in the upper end of the middle of the fixing column.

Preferably, the upper end fixedly connected with spring I's of fixed station one end, the other end fixedly connected with supporting bench of spring I, spring I cover is in the outside of ejector pin.

Preferably, the outer side of each elastic plate is fixedly connected with a fixed clamping block, and the inner wall of each elastic plate is rotatably connected with a connecting block.

Preferably, the left end and the right end of the lower end of the ejector rod are rotationally connected with a moving rod through a connecting block, and the other end of the moving rod is rotationally connected with an elastic plate through the connecting block.

Preferably, through holes are symmetrically formed in the left side and the right side of the fixed column, and the movable rod penetrates through the through holes and is connected with the connecting block in a rotating mode.

Preferably, the upper end of each fixing plate is provided with a sliding groove, the upper end of the outer side of each sliding clamping block is provided with a slope, the inner side of each sliding clamping block is fixedly connected with a sliding block, and the sliding blocks are in sliding connection with the sliding grooves.

Preferably, one end of each spring II is fixedly connected to the inner wall of the fixed plate, and the other end of each spring II is fixedly connected to the side wall of the sliding clamping block.

A dust mask filter device comprises the replacement structure.

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

through being provided with the change structure on dustproof face guard, be provided with spring I and brace table on the fixed station to the spout has been seted up on the fixed plate, makes the device when using, and user's operation is convenient and fast more.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a portion of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a portion of the structure of the present utility model;

fig. 4 is a snap-fit view of fig. 2 and 3 according to the present utility model.

In the figure: 1. an elastic plate; 2. a fixing plate; 3. a base; 4. a clamping table; 5. sliding the clamping block; 6. fixing the clamping block; 7. a dust mask; 8. a spring I; 9. a support table; 10. a through hole; 11. a slide block; 12. a chute; 13. a spring II; 14. a push rod; 15. fixing the column; 16. a fixed table; 17. a moving rod; 18. and (5) connecting a block.

Description of the embodiments

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a change structure, including base 3, one side fixedly connected with dust guard 7 of base 3, the mid portion fixedly connected with fixed station 16 of dust guard 7, the lower extreme bilateral symmetry of fixed station 16 is connected with elastic plate 1, the mid-end sliding connection of fixed station 16 has ejector pin 14, the mid-lower extreme fixedly connected with fixed column 15 of fixed station 16, the upper end mid-fixedly connected with clamping table 4 of base 3, the upper end bilateral symmetry fixedly connected with fixed plate 2 of base 3;

the inner side of each fixed plate 2 is connected with a sliding clamping block 5 in a sliding manner, the inner wall of each fixed plate 2 is fixedly connected with a spring II 13, the upper end of each fixed plate 2 is provided with a sliding groove 12, the upper end of the outer side of each sliding clamping block 5 is provided with a slope, the inner side of each sliding clamping block 5 is fixedly connected with a sliding block 11, the sliding blocks 11 are connected with the sliding grooves 12 in a sliding manner, the left end and the right end of the lower end of a push rod 14 are rotatably connected with a movable rod 17 through a connecting block 18, the other end of the movable rod 17 is rotatably connected with an elastic plate 1 through a connecting block 18, the outer side of each elastic plate 1 is fixedly connected with a fixed clamping block 6, and the inner wall of each elastic plate 1 is rotatably connected with a connecting block 18;

the lower end of the ejector rod 14 is rotationally connected with a connecting block 18 in a bilateral symmetry manner, the upper end of the middle of the fixed column 15 is provided with a through hole 10, the left side and the right side of the fixed column 15 are symmetrically provided with through holes 10, and the movable rod 17 passes through the through holes 10 to be rotationally connected with the connecting block 18; one end fixed connection of every spring II 13 is on the inner wall of fixed plate 2, and the other end of every spring II 13 is all fixed connection on the lateral wall of slip fixture block 5, and the one end of fixed station 16 upper end fixedly connected with spring I8, the other end fixedly connected with brace table 9 of spring I8, spring I8 cover is in the outside of ejector pin 14.

A dust mask filter device comprises the replacement structure.

When the device works, the ejector rod 14 is fixedly connected to the upper end of the fixing table 16, the upper end of the ejector rod 14 is fixedly connected to the lower end of the supporting table 9, the sliding clamping block 5 is pushed to slide inwards when the fixing clamping block 6 is extruded downwards, the spring II 13 is fixedly connected to the sliding clamping block 5 when the fixing clamping block 6 reaches the top end, the spring II 13 provides thrust for the sliding clamping block 5, the sliding clamping block 5 is restored to the original position, when a buckle is to be opened, the supporting table 9 is pulled, meanwhile, the ejector rod 14 can be moved upwards by pulling force to the ejector rod 14, the moving rod 17 on the connecting block 18 is driven to move upwards, and the elastic plate 1 is driven to shrink inwards, so that the buckle can be opened.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a change structure, includes base (3), one side fixedly connected with dust guard (7) of base (3), and the mid portion fixedly connected with fixed station (16) of dust guard (7), the lower extreme bilateral symmetry of fixed station (16) is connected with elastic plate (1), its characterized in that: the middle end of the fixed table (16) is connected with a push rod (14) in a sliding way, the lower end of the middle of the fixed table (16) is fixedly connected with a fixed column (15), the middle of the upper end of the base (3) is fixedly connected with a clamping table (4), and the upper end of the base (3) is symmetrically and fixedly connected with a fixed plate (2) left and right;

the inner side of each fixed plate (2) is connected with a sliding clamping block (5) in a sliding manner, and the inner wall of each fixed plate (2) is fixedly connected with a spring II (13);

the lower end of the ejector rod (14) is rotationally connected with a connecting block (18) in bilateral symmetry, and the middle upper end of the fixed column (15) is provided with a through hole (10).

2. A replacement structure according to claim 1, wherein: the upper end fixedly connected with spring I (8) of fixed station (16) one end, the other end fixedly connected with brace table (9) of spring I (8), spring I (8) cover is in the outside of ejector pin (14).

3. A replacement structure according to claim 2, wherein: the outer side of each elastic plate (1) is fixedly connected with a fixed clamping block (6), and the inner wall of each elastic plate (1) is rotatably connected with a connecting block (18).

4. A replacement structure according to claim 3, wherein: the left end and the right end of the lower end of the ejector rod (14) are rotatably connected with a moving rod (17) through a connecting block (18), and the other end of the moving rod (17) is rotatably connected with an elastic plate (1) through the connecting block (18).

5. A replacement structure according to claim 4, wherein: through holes (10) are symmetrically formed in the left side and the right side of the fixed column (15), and the movable rod (17) penetrates through the through holes (10) and is connected with the connecting block (18) in a rotating mode.

6. A replacement structure according to claim 5, wherein: the upper end of each fixed plate (2) is provided with a sliding groove (12), the upper end of the outer side of each sliding clamping block (5) is provided with a slope, the inner side of each sliding clamping block (5) is fixedly connected with a sliding block (11), and the sliding blocks (11) are in sliding connection with the sliding grooves (12).

7. A replacement structure according to claim 6, wherein: one end of each spring II (13) is fixedly connected to the inner wall of the fixed plate (2), and the other end of each spring II (13) is fixedly connected to the side wall of the sliding clamping block (5).

8. A dust mask filter device, characterized in that: comprising a replacement structure according to any of the preceding claims 1-7.