CN210057193U - Filter equipment and dust mask - Google Patents
Filter equipment and dust mask Download PDFInfo
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- CN210057193U CN210057193U CN201920687373.9U CN201920687373U CN210057193U CN 210057193 U CN210057193 U CN 210057193U CN 201920687373 U CN201920687373 U CN 201920687373U CN 210057193 U CN210057193 U CN 210057193U
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Abstract
The utility model relates to the technical field of dustproof tools, and discloses a filtering device and a dustproof mask, which comprises a filter, wherein the filter is provided with a connecting component; the coupling assembling includes: an installation cylinder integrated with the filter and a disassembly head detachably installed in the installation cylinder; the mounting cylinder is a cylinder with openings at two ends, one end of the mounting cylinder is communicated with the filter, the other end of the mounting cylinder is a mounting opening, a plurality of arc-shaped limiting strips which are uniformly and discontinuously arranged are arranged on the inner side wall of the cylinder close to the mounting opening, and a clamping opening is formed between the plurality of discontinuously arranged limiting strips; the disassembly head is a cylinder with the diameter smaller than the inner diameter of the installation cylinder, the peripheral side of the disassembly head is evenly and discontinuously provided with arc-shaped clamping strips, and the arc length of each clamping strip is smaller than that of each clamping opening. According to above technical scheme, through set up coupling assembling on the filter, make things convenient for filter installation and dismantlement on the sealed rubber cover, can firmly fix the filter on the filter simultaneously to reach the purpose that prevents the easy pine of filter and take off.
Description
Technical Field
The utility model relates to a dustproof apparatus technical field, more specifically say, it relates to a filter equipment and dust mask.
Background
A dust mask is mainly used in a working environment containing low-concentration harmful gases. The filter poison box is filled with adsorbent or sorbent. Some military gas masks are mainly made of activated carbon cloth, or a water-resistant and oil-resistant fabric is used as an outer layer, a glass fiber filtering material is used as an inner layer, and polyurethane foam plastic soaked with activated carbon is used as a bottom layer, so that temporary protection can be provided when the gas masks are suddenly attacked by toxic gas.
The anti-poison and dustproof mask disclosed in the prior Chinese patent with the publication number of CN103550875A comprises a mask, a breathing device, two filters, a lower bracket, a protective eyepiece and a mask rubber belt, wherein the mask is provided with a breathing device mounting port, two sides of the breathing device mounting port on the mask are also provided with two filter mounting ports, and the breathing device is arranged in the breathing device mounting ports and is respectively inserted into the two filter mounting ports.
However, although the filter described above can be easily attached and detached to and from the attachment opening. However, because the filter adopts the fixed mounting means of grafting, after dust mask live time has been of a specified duration, the installation of filter is easy pine for the installation is insecure, exists the improvement.
SUMMERY OF THE UTILITY MODEL
The technical problem of the easy pine of filter that provides in to the background art takes off, the utility model discloses a first purpose aims at providing a filter equipment, through set up coupling assembling on the filter, makes things convenient for the filter to cover the installation and the dismantlement of gluing at sealed, can firmly fix the filter on the filter simultaneously to reach the purpose that prevents the easy pine of filter and take off.
In order to achieve the first objective, the utility model provides a following technical scheme:
a filtering device comprises a filter, wherein a connecting assembly is arranged on the filter;
the connecting assembly includes: the filter comprises a mounting cylinder integrated with the filter and a dismounting head detachably mounted in the mounting cylinder;
the mounting cylinder is a cylinder with openings at two ends, one end of the mounting cylinder is communicated with the filter, the other end of the mounting cylinder is a mounting opening, a plurality of uniform and discontinuous arc-shaped limiting strips are arranged on the inner side wall of the cylinder close to the mounting opening, and a clamping opening is formed between the discontinuous limiting strips;
the disassembly head is a cylinder with the diameter smaller than the inner diameter of the installation cylinder, arc-shaped clamping strips are evenly and discontinuously arranged on the outer peripheral side of the disassembly head, and the arc length of each clamping strip is smaller than that of each clamping opening.
Through the technical scheme, the cylinder is arranged, and a plurality of discontinuous arc-shaped limiting strips are arranged on the inner side wall of the cylinder; in addition, a disassembly head is arranged, and arc-shaped clamping strips are discontinuously arranged on the peripheral side of the disassembly head; establish the strip with the card and establish mouthful installation to the inside of drum from the card between the spacing, then rotate and dismantle the head, establish the strip with the card and arrange the inside of spacing in for spacing can be fixed the mounted position of establishing the strip to the card, in order to realize preventing the easy pine problem that takes off of filter.
The utility model discloses further set up to: one side of the limiting strip, which is close to the inside of the mounting cylinder, is provided with a guide inclined plane, and the guide inclined plane is arranged at the end part of the limiting strip.
Through above-mentioned technical scheme, set up the guide inclined plane, the primary function lies in can establishing the strip to the card and rotating the effect that plays the guide rotation when rotating to the bottom of spacing strip, and the convenience is installed the dismantlement head.
The utility model discloses further set up to: and one end of the limiting strip, which deviates from the guide inclined plane, is provided with a limiting bulge.
Through above-mentioned technical scheme, set up spacing protruding effect and lie in can restricting dismantling first pivoted range, prevent to dismantle first certain range rotation back, dismantle the head and establish mouthful from the card very easily and drop.
The utility model discloses further set up to: the limiting strips and the clamping strips are all arranged in a three mode, and the clamping openings are formed in a three mode.
Through above-mentioned technical scheme, it is three to set up spacing and card and establish the strip to the mouth is established to the card that forms also is three, conveniently dismantles and fixed operation.
The utility model discloses further set up to: the side wall of the installation cylinder is provided with a circular convex ring, the inner diameter of the convex ring is smaller than that of the installation cylinder, and the limiting strip is arranged on the convex ring.
Through above-mentioned technical scheme, set up circular bulge loop, set up spacing on the bulge loop for the card is established the strip card and is established the degree of depth at bayonet socket inside deeper, and the firm degree of messenger's installation is better.
The utility model discloses further set up to: the connecting assembly is made of a plastic material with certain softness.
Through above-mentioned technical scheme, set up coupling assembling and make by the plastics material, because plastics material has certain soft effect, conveniently dismantle the installation of head in the drum.
The utility model discloses the second purpose aims at providing a dust mask, goes to install filter equipment through coupling assembling on the air inlet of mask rubber cover, plays the filtering action, because coupling assembling's installation convenient to detach, and connect and be difficult for droing to reach the purpose that prevents the easy pine of filter and take off.
In order to achieve the first objective, the utility model provides a following technical scheme:
based on foretell filter equipment, a dust mask, including facial gluey cover and bandeau, be equipped with air inlet and gas outlet in the facial gluey cover, it fixes to dismantle the head on the air inlet, dismantle the head with the air inlet intercommunication, the filter through with one body sets up the installation section of thick bamboo is fixed dismantle overhead.
According to the technical scheme, the disassembling head is arranged at the position of the air inlet, and then the filter is arranged on the disassembling head so as to filter the air flow entering the air inlet; meanwhile, the filter can be conveniently installed and detached on the air inlet, and is firm to install and not easy to fall off.
The utility model discloses further set up to: the air inlet is provided with two, and is about facial gluey cover symmetry sets up.
Through above-mentioned technical scheme, set up the air inlet and be two, strengthen the entering volume of air current that admits air for the personnel of mask gauze mask when using breathe more conveniently, the dust mask who prevents to wear breathes unsmoothly.
To sum up, the utility model discloses following beneficial effect has:
(1) the clamping strips are arranged in the cylinder from the clamping openings between the limiting strips, and then the disassembling head is rotated to arrange the clamping strips in the limiting strips, so that the limiting strips can fix the mounting positions of the clamping strips, and the problem that a filter is easy to loosen is solved;
(2) the circular convex ring is arranged, and the limiting strips are arranged on the convex ring, so that the clamping strips are arranged in the bayonet in a deeper depth, and the mounting firmness is better;
(3) the effect of setting up spacing protruding lies in can restricting dismantling first pivoted range, prevents to dismantle that the head from rotating after certain range, and the dismantlement head drops from establishing the mouth from the card very easily.
Drawings
FIG. 1 is a schematic view of the overall structure of a filtration apparatus;
fig. 2 is a schematic view of the overall structure of the dust mask.
Reference numerals: 01. a face rubber cover; 02. a headband; 03. an air inlet; 04. an air outlet; 1. a filter; 2. a connecting assembly; 3. mounting the cylinder; 4. disassembling the head; 5. an installation port; 6. a limiting strip; 61. a guide ramp; 62. a limiting bulge; 7. clamping a port; 8. clamping the strips; 9. a circular convex ring.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
A dust mask is mainly used in an operating environment containing low-concentration harmful gas and provides temporary protection for operators when the operators are attacked by toxic gas suddenly. As can be seen from fig. 2, the mask comprises a face mask 01 and a headband 02, wherein an air inlet 03 and an air outlet 04 are arranged in the face mask 01, two air inlets 03 are arranged and are symmetrically arranged relative to the face mask 01, and a filtering device is arranged at the position of the air inlet 03 to filter air entering from the position of the air inlet 03.
As can be seen from fig. 1 and 2, in order to mount the filter device, the filter device is provided with a filter 1 and a connection assembly 2 arranged on the filter 1. Wherein, coupling assembling 2 includes the installation section of thick bamboo 3 and the dismantlement head 4 in the demountable installation section of thick bamboo 3 integrative with filter 1. The installation cylinder 3 is both ends open-ended drum, and the one end and the filter 1 intercommunication of installation cylinder 3, its other end are installing port 5, and drum 3 is close to and is equipped with evenly and is interrupted a plurality of convex spacing strips 6 that set up on the inside wall of installing port 5, is interrupted to be formed with the card between a plurality of spacing strips 6 that set up and establishes mouthful 7.
The disassembling head 4 is a cylinder with the diameter smaller than the inner diameter of the installing cylinder 3, the peripheral side of the disassembling head 4 is evenly and discontinuously provided with arc-shaped clamping strips 8, and the arc length of the clamping strips 8 is smaller than that of the clamping openings 7. The limiting strip 6 is provided with a guide inclined surface 61 on one side close to the inside of the mounting cylinder 3, and the guide inclined surface 61 is arranged at the end position of the limiting strip 6. The end of the spacing strip 6 departing from the guiding inclined surface 61 is provided with a spacing protrusion 62.
Wherein, the spacing strip 6 and the card are established the strip 8 and are all set up to three, and the card is established mouthful 7 and is formed with three. And the connecting component 2 is made of plastic material with certain softness.
In order to ensure that the mounting depth of the clamping bar 8 in the clamping opening 7 is deeper and improve the mounting firmness, a circular convex ring 9 is arranged on the side wall of the mounting cylinder 3, the inner diameter of the convex ring 9 is smaller than that of the mounting cylinder 3, and the limiting bar 6 is arranged on the convex ring 9.
When installing filter 1 on facial rubber cover 01, wear to establish through will dismantling head 4 and fix on air inlet 03, dismantle head 4 and air inlet 03 intercommunication, will install a section of thick bamboo 3 an organic whole and fix on filter 1 to when fixing an installation section of thick bamboo 3 on dismantling head 4, thereby let filter 1 also can fix on dismantling head 4.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A filtering device comprises a filter (1), and is characterized in that a connecting component (2) is arranged on the filter (1);
the connection assembly (2) comprises: a mounting cylinder (3) integrated with the filter (1) and a dismounting head (4) detachably mounted in the mounting cylinder (3);
the filter is characterized in that the mounting cylinder (3) is a cylinder with openings at two ends, one end of the mounting cylinder (3) is communicated with the filter (1), the other end of the mounting cylinder is a mounting opening (5), a plurality of arc-shaped limiting strips (6) which are uniformly and discontinuously arranged are arranged on the inner side wall of the mounting cylinder (3) close to the mounting opening (5), and clamping openings (7) are formed among the plurality of intermittently arranged limiting strips (6);
the disassembly head (4) is a cylinder with the diameter smaller than the inner diameter of the installation cylinder (3), arc-shaped clamping strips (8) are evenly and discontinuously arranged on the outer peripheral side of the disassembly head (4), and the arc length of each clamping strip (8) is smaller than that of the clamping opening (7).
2. A filter arrangement according to claim 1 wherein: spacing (6) are close to one side of installation section of thick bamboo (3) inside is equipped with guide inclined plane (61), guide inclined plane (61) are seted up the tip position of spacing (6).
3. A filter arrangement according to claim 2, wherein: and a limiting bulge (62) is arranged at one end of the limiting strip (6) deviating from the guide inclined surface (61).
4. A filter arrangement according to claim 1 wherein: spacing strip (6) with it all sets up to three to card establishes strip (8), the card is established mouthful (7) and is formed with threely.
5. A filter arrangement according to claim 1 wherein: the side wall of the installation cylinder (3) is provided with a circular convex ring (9), the inner diameter of the convex ring (9) is smaller than that of the installation cylinder (3), and the limiting strip (6) is arranged on the convex ring (9).
6. A filter arrangement according to claim 1 wherein: the connecting component (2) is made of plastic materials with certain softness.
7. Based on foretell filter equipment, a dust mask, including face rubber cover (01) and bandeau (02), be equipped with air inlet (03) and gas outlet (04) in face rubber cover (01), its characterized in that, it fixes to dismantle head (4) on air inlet (03), dismantle head (4) with air inlet (03) intercommunication, filter (1) through with one body set up installation section of thick bamboo (3) are fixed dismantle on the head (4).
8. A dust mask according to claim 7, wherein: the number of the air inlets (03) is two, and the air inlets are symmetrically arranged relative to the face rubber cover (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687373.9U CN210057193U (en) | 2019-05-14 | 2019-05-14 | Filter equipment and dust mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687373.9U CN210057193U (en) | 2019-05-14 | 2019-05-14 | Filter equipment and dust mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210057193U true CN210057193U (en) | 2020-02-14 |
Family
ID=69451863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920687373.9U Active CN210057193U (en) | 2019-05-14 | 2019-05-14 | Filter equipment and dust mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210057193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330172A (en) * | 2020-03-03 | 2020-06-26 | 金富华 | Medical protective mask of retractable respirator |
-
2019
- 2019-05-14 CN CN201920687373.9U patent/CN210057193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330172A (en) * | 2020-03-03 | 2020-06-26 | 金富华 | Medical protective mask of retractable respirator |
| CN111330172B (en) * | 2020-03-03 | 2021-05-25 | 青岛大学附属医院 | Medical protective mask of retractable respirator |
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