CN215387122U - Filter poison box of respiratory filter - Google Patents
Filter poison box of respiratory filter Download PDFInfo
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- CN215387122U CN215387122U CN202120526651.XU CN202120526651U CN215387122U CN 215387122 U CN215387122 U CN 215387122U CN 202120526651 U CN202120526651 U CN 202120526651U CN 215387122 U CN215387122 U CN 215387122U
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- filter
- connecting block
- strip
- cavity
- rear shell
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Abstract
The utility model relates to a poison filtering box of a breathing filter, which comprises: the front shell, the rear shell and the filter element; the front shell is connected with the rear shell and provided with an accommodating cavity, and an opening communicated with the accommodating cavity is formed in the surface of the front shell; the rear shell comprises a rear shell body and a bottom cover, wherein an air outlet is formed in the surface of the rear shell body, a smoke filtering assembly is arranged in the air inlet, the rear shell body extends downwards to form a cavity, the bottom cover is fixedly connected to the lower surface of the cavity, and a plurality of front air inlets are formed in the bottom cover; the filter element is arranged in the cavity and is used for filtering the gas introduced into the cavity. The utility model has simple structure and convenient installation, can filter out toxic particles in the air and can effectively filter the smoke.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a toxin filtering box of a respiratory filter.
Background
The breathing protector mask is suitable for mine operation, fire fighting and other places, and generally comprises a poison filtering box and a mask body, wherein the mask body comprises a full mask and a half mask, the full mask is used for covering the mouth, the nose and the eyes of a person, and the half mask is mainly used for covering the mouth and the nose of the person; the poison filtering box is used for filtering gas and preventing field workers from inhaling poisonous gas. The poison filtering box in the prior art generally comprises a box body and a poison filtering core, wherein the box body is used for being connected with the cover body, and the filter core is used for filtering toxic components (such as dust particles and the like) in air. However, the poison filtering box in the prior art cannot filter smoke components (smoke particles) in air due to no smoke filtering structure, so that the poison filtering box cannot be suitable for places such as shops, restaurants, meeting places and the like where people gather and smoke, can only be suitable for places such as mine operation, fire fighting and the like where toxic dust gas exists, has a narrow application range, and wastes resources.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem or at least partially solve the above technical problem, the present application provides a poison filtering box which has a simple structure and can filter smoke particles.
In a first aspect, the present application provides a canister for a respiratory filter, comprising: the front shell, the rear shell and the filter element;
the front shell is connected with the rear shell and provided with an accommodating cavity, and an opening communicated with the accommodating cavity is formed in the surface of the front shell;
the rear shell comprises a rear shell body and a bottom cover, wherein an air outlet is formed in the surface of the rear shell body, a smoke filtering assembly is arranged in the air inlet, the rear shell body extends downwards to form a cavity, the bottom cover is fixedly connected to the lower surface of the cavity, and a plurality of front air inlets are formed in the bottom cover;
the filter element is arranged in the cavity and is used for filtering the gas introduced into the cavity.
Preferably, the smoke filtering component comprises a connecting block and a filtering strip, the connecting block is fixedly connected to the inner wall of the air outlet, one end of the filtering strip is fixedly connected to the connecting block, and the other end of the filtering strip extends towards the center of the air outlet.
Preferably, the connecting blocks are provided with three blocks, namely a first connecting block, a second connecting block and a third connecting block, which are respectively fixedly connected to the inner wall of the air outlet in an annular shape;
the filter strip is equipped with three, is first filter strip, second filter strip and third filter strip respectively, the one end of first filter strip with first connecting block fixed connection, the one end of second filter strip with second connecting block fixed connection, the one end of third filter strip with third connecting block fixed connection, the other end of first filter strip the other end of second filter strip and the other end of third filter strip all to the center of gas outlet extends and intersects for a bit.
Preferably, the upper surface of the front shell is provided with a hollow bump, and the opening is formed in the side edge of the bump.
Preferably, the opening is square.
Preferably, the filter further comprises a vertical reinforcing strip and a horizontal reinforcing strip, the horizontal reinforcing strip is fixed on the transverse direction of the lower surface of the bottom cover, and the vertical reinforcing strip is perpendicular to the horizontal reinforcing strip and is fixedly connected on the vertical direction of the lower surface of the bottom cover.
Preferably, the bottom cover comprises a bottom plate and a skirt edge, the air outlet, the vertical reinforcing strip and the horizontal reinforcing strip are arranged on the bottom plate, the skirt edge is connected to the periphery of the bottom plate, a mounting groove is formed between the skirt edge and the bottom plate, and the lower end of the rear shell is clamped in the mounting groove.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
through linking together preceding shell and backshell, and be connected with the breathing filter through the gas outlet on the backshell, when using, the flue gas lets in from the opening part of epitheca and holds the intracavity, then the flue gas that holds the intracavity lets in to the cavity from the air inlet on the bottom, the filter core that sets up in the cavity at this moment filters toxic particle for the first time, make the large granule in the air filtered, the secondary filtration is carried out through the filter cigarette subassembly that filterable gas is located gas outlet department, filter the particle or the dust in the gas once more, simple structure simple to operate, not only can filter the toxic particle in the air, can also filter the flue gas effectively.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
In the drawings:
FIG. 1 is a schematic view of the canister of the respiratory filter of the present invention;
FIG. 2 is a schematic view of a front housing of a canister of the respiratory filter of the present invention;
FIG. 3 is a schematic view of a rear housing of the canister of the respiratory filter of the present invention;
FIG. 4 is a schematic view of a bottom cap of the canister of the respiratory filter of the present invention;
FIG. 5 is another schematic view of a bottom cap of the canister of the respiratory filter of the present invention;
reference numerals: 1-a front shell; 2-rear shell; 21-a rear housing; 22-a bottom cover; 3-a bump; 4-opening; 5-air outlet; 6-a first connection block; 7-a second connecting block; 8-a third connecting block; 9-a first filter strip; 10-a second filter strip; 11-a third filter strip; 12-an air inlet; 13-mounting grooves; 14-horizontal reinforcing bars; 15-vertical reinforcing bars.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In the canister embodiment of the respiratory filter of the present invention, as shown in fig. 1-5, the canister comprises: a front case 1, a rear case 2, and a filter element (not shown);
the front shell 1 is connected with the rear shell 2, the front shell 1 is provided with an accommodating cavity, and the surface of the front shell 1 is provided with an opening 4 communicated with the accommodating cavity;
the rear shell 2 comprises a rear shell 21 and a bottom cover 22, wherein an air outlet 5 is formed in the surface of the rear shell 21, a smoke filter assembly is arranged in the air outlet 5, the rear shell 21 extends downwards to form a cavity, the bottom cover 22 is fixedly connected to the lower surface of the cavity, and a plurality of air inlets 12 are formed in the bottom cover 22;
the filter element is arranged in the cavity and is used for filtering the gas introduced into the cavity.
In one embodiment, the smoke filter assembly comprises a connecting block and a filter strip, wherein the connecting block is fixedly connected to the inner wall of the air outlet 5, one end of the filter strip is fixedly connected with the connecting block, and the other end of the filter strip extends towards the center of the air outlet.
In this embodiment, the number of the connecting blocks is three, which are a first connecting block 6, a second connecting block 7 and a third connecting block 8, and the first connecting block 6, the second connecting block 7 and the third connecting block 8 are respectively and fixedly connected to the inner wall of the air outlet 5 in an annular shape;
correspondingly, the filter strip is equipped with three, is first filter strip 9, second filter strip 10 and third filter strip 11 respectively, the one end of first filter strip 9 with 6 fixed connection of first connecting block, the one end of second filter strip 10 with 7 fixed connection of second connecting block, the one end of third filter strip 11 with 8 fixed connection of third connecting block, the other end of first filter strip 9 the other end of second filter strip 10 and the other end of third filter strip 11 all to the center of gas outlet 5 extends and intersects for a bit.
In one embodiment, the upper surface of the front shell 1 is provided with a hollow bump 3, the opening 4 is opened at the side of the bump 3, and the opening 4 is square.
In one embodiment, the filter further includes a vertical reinforcing bar 15 and a horizontal reinforcing bar 14, the horizontal reinforcing bar 14 is fixed in a lateral direction of the lower surface of the bottom cover 22, and the vertical reinforcing bar 15 is perpendicular to the horizontal reinforcing bar 14 and is fixedly connected in a vertical direction of the lower surface of the bottom cover 22. The strength of the smoke filter assembly is increased by arranging the vertical reinforcing strips 15 and the horizontal reinforcing strips 14, and breakage in the using process is avoided.
In one embodiment, the bottom cover 22 includes a bottom plate, the air inlet 12, the vertical reinforcing strip 15 and the horizontal reinforcing strip 14 are disposed on the bottom plate, the skirt is connected to the periphery of the bottom plate, a mounting groove 13 is formed between the skirt and the bottom plate, and the lower end of the rear housing 21 is clamped in the mounting groove 13.
According to the utility model, the front shell 1 and the rear shell 2 are connected together and are connected with the breathing filter through the air outlet 5 on the rear shell 2, when the breathing filter is used, smoke is introduced into the accommodating cavity from the opening 4 of the front shell 1, then the smoke in the accommodating cavity is introduced into the cavity from the air inlet 12 on the bottom cover 22, at the moment, the filter core arranged in the cavity primarily filters toxic particles, so that large particles in air are filtered, the filtered gas is secondarily filtered through the smoke filtering component positioned at the air outlet 5, and then particles or dust in the gas is filtered again.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (7)
1. A canister for a respiratory filter, comprising: the front shell, the rear shell and the filter element;
the front shell is connected with the rear shell and provided with an accommodating cavity, and an opening communicated with the accommodating cavity is formed in the surface of the front shell;
the rear shell comprises a rear shell body and a bottom cover, wherein an air outlet is formed in the surface of the rear shell body, a smoke filtering assembly is arranged in the air outlet, the rear shell body extends downwards to form a cavity, the bottom cover is fixedly connected to the lower surface of the cavity, and a plurality of air inlets are formed in the bottom cover;
the filter element is arranged in the cavity and is used for filtering the gas introduced into the cavity.
2. The canister of claim 1, wherein the smoke filter assembly includes a connecting block and a filter strip, the connecting block is fixedly connected to the inner wall of the air outlet, one end of the filter strip is fixedly connected to the connecting block, and the other end of the filter strip extends toward the center of the air outlet.
3. The canister of claim 2, wherein the connecting block has three blocks, namely a first connecting block, a second connecting block and a third connecting block, which are respectively and fixedly connected to the inner wall of the air outlet in a ring shape;
the filter strip is equipped with three, is first filter strip, second filter strip and third filter strip respectively, the one end of first filter strip with first connecting block fixed connection, the one end of second filter strip with second connecting block fixed connection, the one end of third filter strip with third connecting block fixed connection, the other end of first filter strip the other end of second filter strip and the other end of third filter strip all to the center of gas outlet extends and intersects for a bit.
4. The canister of claim 1, wherein the upper surface of the front housing is a hollow protrusion, and the opening is provided at a side of the protrusion.
5. The canister of claim 4 wherein the opening is square.
6. The canister of claim 1, wherein the filter further comprises a vertical reinforcing bar and a horizontal reinforcing bar, the horizontal reinforcing bar is fixed in a lateral direction of the lower surface of the bottom cover, and the vertical reinforcing bar is perpendicular to the horizontal reinforcing bar and is fixedly connected in a vertical direction of the lower surface of the bottom cover.
7. The canister of claim 6, wherein the bottom cap comprises a bottom plate and a skirt, the air outlet, the vertical reinforcing strip and the horizontal reinforcing strip are all disposed on the bottom plate, the skirt is connected to the periphery of the bottom plate, a mounting groove is formed between the skirt and the bottom plate, and the lower end of the rear housing is clamped in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120526651.XU CN215387122U (en) | 2021-03-14 | 2021-03-14 | Filter poison box of respiratory filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120526651.XU CN215387122U (en) | 2021-03-14 | 2021-03-14 | Filter poison box of respiratory filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215387122U true CN215387122U (en) | 2022-01-04 |
Family
ID=79668322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120526651.XU Active CN215387122U (en) | 2021-03-14 | 2021-03-14 | Filter poison box of respiratory filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215387122U (en) |
-
2021
- 2021-03-14 CN CN202120526651.XU patent/CN215387122U/en active Active
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