CN215841294U - Be applied to snap ring, filter and protective facial mask on filter - Google Patents
Be applied to snap ring, filter and protective facial mask on filter Download PDFInfo
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- CN215841294U CN215841294U CN202121335875.9U CN202121335875U CN215841294U CN 215841294 U CN215841294 U CN 215841294U CN 202121335875 U CN202121335875 U CN 202121335875U CN 215841294 U CN215841294 U CN 215841294U
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Abstract
The utility model relates to the technical field of protective masks, and discloses a clamping ring applied to a filter, the filter and the protective mask.
Description
Technical Field
The utility model relates to the technical field of protective masks, in particular to a snap ring applied to a filter.
Background
The common popular application of the protective mask is divided into two types, namely one type of dust prevention and one type of gas prevention, and the most important sealing effect is that the protective mask is tightly attached to the joint surface of 2-3 layers of filter materials of the human face and the shell.
The common way is to adopt the compaction method at home and abroad, it is the multiple spot hot melt method to advance one bit, the sealed effect of filter media and casing composition face can indeed be guaranteed to the hot melt method, but present multiple trade needs meticulous filtration, new product filter media is different day by day, this also needs to seal multilayer filter media in the casing simultaneously, if seal the sealed effect of then hardly guaranteeing together with the hot melt method of the filter bed of multiple different materials, it is great to the restriction of filter media material, can't guarantee that multiple filter media can seal in a filter simultaneously, and because the multilayer filter media is close to fold and is in the same place to cause the protection gauze mask gas permeability relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a clamping ring applied to a filter, the filter and a protective mask, which can effectively solve the problem of superposition of filter layers made of different materials, and improve the filtering effect, the airtight effect and the protective effect.
The utility model provides a snap ring applied to a filter, which comprises:
the body, for annular structure, the front of body has the draw-in groove, and the back of body has the card protruding with draw-in groove looks adaptation, and the card is protruding to correspond with the draw-in groove position, and the front of body has along the first ring channel of its circumference, and first ring channel is located the inboard of draw-in groove, and the back of body has the first cyclic annular boss with first ring channel looks adaptation.
Optionally, the front surface of the body further has a second annular groove along the circumferential direction of the body, the second annular groove is located inside the first annular groove, and the back surface of the body has a second annular boss matched with the second annular groove.
Optionally, the groove depths of the first annular groove and the second annular groove are smaller than the groove depth of the clamping groove.
Optionally, the draw-in groove is a plurality of, along the circumference equipartition of body in its front, and the card is protruding to be the same with the draw-in groove number, and the position corresponds.
Optionally, the clamping groove is a cylindrical groove, and the clamping protrusion is a cylindrical body.
Optionally, the clamping groove is a cylindrical groove with a diameter gradually decreasing from the groove bottom to the notch.
Optionally, the front surface of the body is further provided with a groove, the groove is located between two adjacent clamping grooves, and the back surface of the body is provided with a boss matched with the groove.
The present invention also provides a filter comprising: the casing, cover in the lid and foretell snap ring of casing open end, the snap ring is a plurality of, superposes in proper order and locates in the casing, fixes through the protruding cooperation of draw-in groove and card between two adjacent snap rings, the interior diapire of casing and the snap ring joint that is close to it, the inner wall of lid and the snap ring joint that is close to it.
The utility model also provides a protective mask, which comprises a mask body and the filter, wherein the filter is arranged on the mask body.
Compared with the prior art, the utility model has the beneficial effects that: the multi-layer filter layers can be overlapped and integrated to form the filter box by using the snap ring, the filter layers are placed between the two snap rings, the edge of the filter layer is fixed between the first annular groove and the first annular boss by mutually clamping the first annular groove and the first annular boss, the fixation and the sealing of the filter layer are realized, and a certain gap is ensured between the multi-layer filter layers after the multi-layer filter layers are overlapped and integrated.
Drawings
FIG. 1 is a schematic front view of a snap ring applied to a filter according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of a protective mask according to an embodiment of the present invention.
Description of reference numerals:
10-body, 11-clamping groove, 12-clamping protrusion, 13-first annular groove, 14-first annular boss, 15-second annular groove, 16-second annular boss, 17-groove, 18-boss, 20-filter, 200-shell, 210-cover body and 30-mask body.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, an embodiment of the present invention provides a snap ring applied to a filter, which includes a body 10, wherein the body 10 has an annular structure, a snap groove 11 is formed in a front surface of the body 10, a snap protrusion 12 adapted to the snap groove 11 is formed in a back surface of the body 10, the snap protrusion 12 corresponds to the snap groove 11 in position, a first annular groove 13 is formed in the front surface of the body 10 along a circumferential direction of the body, the first annular groove 13 is located inside the snap groove 11, and a first annular boss 14 adapted to the first annular groove 13 is formed in the back surface of the body 10.
The protective mask can effectively solve the problem of overlapping of filter layers made of different materials, and has improved filtering effect, airtight effect and protective effect, and the clamping grooves and the clamping bulges play a role in positioning.
In order to further ensure the sealing effect, the front surface of the body 10 of the embodiment further has a second annular groove 15 along the circumferential direction thereof, the second annular groove 15 is located at the inner side of the first annular groove 13, and the back surface of the body 10 has a second annular boss 16 matched with the second annular groove 15, so that the edge of the filter layer is fixed between the first annular groove 13 and the first annular boss 14 and between the second annular groove 15 and the second annular boss 16 through the matching of the first annular groove 13 and the first annular boss 14 and the matching of the second annular groove 15 and the second annular boss 16, so that the edge of the filter layer is bent twice to further ensure the sealing effect.
Optionally, the groove depths of the first annular groove 13 and the second annular groove 15 are smaller than the groove depth of the clamping groove 11, so that the situation that the edge of the filter layer is torn due to the fact that the edge of the filter layer is clamped into the first annular groove 13 and the second annular groove 15 too deeply is avoided, and the sealing performance is prevented from being affected.
Optionally, the clamping grooves 11 are uniformly distributed on the front surface of the body 10 along the circumferential direction of the body, the clamping protrusions 12 are the same as the clamping grooves 11 in number, and the positions of the clamping protrusions correspond to the positions of the clamping grooves 11.
Optionally, the locking groove 11 is a cylindrical groove, and the locking protrusion 12 is a cylindrical body.
Optionally, the clamping groove 11 is a cylindrical groove with a diameter gradually decreasing from the groove bottom to the notch, so as to ensure the tight fit of the two.
Optionally, the front surface of the body 10 is further provided with a groove 17, the groove 17 is located between two adjacent card slots 11, the back surface of the body 10 is provided with a boss 18 matched with the groove 17, and the two bodies 10 are fixed more tightly by matching the groove 17 and the boss 18.
The present invention also provides a filter comprising: the casing 200, cover body 210 and the above-mentioned snap ring that cover the casing open end, the snap ring is a plurality of, superposes in proper order and locates the casing 200, fixes through the cooperation of draw-in groove 11 with card protruding 12 between two adjacent snap rings, the inner diapire of casing 200 and the snap ring joint that is close to it, the inner wall of cover body 210 and the snap ring 1 joint that is close to it.
The utility model also provides a protective mask, referring to fig. 3, comprising a mask body 30 and the filter 20 as described above, wherein the filter 20 is arranged on the mask body 30, specifically on the side surface of the mask body 30, and one filter 20 can be arranged on each of the left and right sides, for example, on the existing dustproof or gas-proof protective mask, two filters 20 are generally arranged and symmetrically connected to the left and right sides of the mask body 30 to realize the filtering effect.
The following takes the stacking of 9 layers of bodies 10 as an example, and the specific scheme is implemented as follows:
firstly, injection molding is carried out by ABS material, 9 layers of rectangular elliptic body 10 are arranged, and each layer is 120mmX in length, 95mmX in width and 5mm in thickness;
② the front of each layer of the body 10 is provided with 9 symmetrically arranged slots 11
2mm deep, and a boss 12 (concave-convex round) 11 on the back
The height is 2mm and corresponds to the height;
a groove 17 (concave-convex sealing groove) is arranged at the outer edge of the front surface of the body 10, the width is 3mmX, the depth is 2mm, and a boss 18 corresponding to the groove is arranged at the back surface;
the inner edge of the front surface of the body 10 is 5mm wide and x3mm thick, a first annular groove 13 and a second annular groove 15 (concave-convex sealing long groove) are arranged, the width is 1mm and the depth is 0.5mm, and the back surface is provided with a first annular boss 14 and a second annular boss 16 which are respectively corresponding to each other;
the front surface of the body 10 is provided with a groove 17 with the width of 3mmX and the height of 1mm, and the back surface is provided with a boss 18 corresponding to the groove;
sixthly, the clamped composite carbon cloth is an oval filter material with the thickness of 1mmX, the length of 110mmX and the width of 85mm, such as an N95 filter material or a non-collodion cotton filter material, and the like, which are not enough in thickness, can be overlapped and can be clamped;
the bottom of the shell is provided with a concave sealing groove with the width of 3mmX and the depth of 2mm, and the concave sealing groove is matched with the groove 17 of the body 10;
the bottom of the cap body is provided with a convex sealing block with the width of 3mmX2mm to be matched with the boss 18 of the body 10.
The anti-virus scheme is that under the effective implementation condition of the scheme, a 9-layer body can be arrangedTaking out 6 layers of 10-clamping filter materials, placing 1 layer of the filter materials on the lower layer and the upper layer of the filter materials, wherein the space length of the middle 6 layers is 100mmX, the width of the middle 6 layers is 75mmX, and the height of the middle 6 layers is 25mm (the volume is 0.000875 m)3The granular activated carbon can be filled, the filtering effect and the anti-poison standard are superior to the similar quality.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (9)
1. A clasp for use with a filter, comprising:
body (10), for annular structure, the front of body (10) has draw-in groove (11), the back of body (10) have with draw-in groove (11) looks adaptation card protruding (12), card protruding (12) with draw-in groove (11) position corresponds, the front of body (10) has along its circumferential first ring channel (13), first ring channel (13) are located the inboard of draw-in groove (11), the back of body (10) have with first cyclic annular boss (14) of first ring channel (13) looks adaptation.
2. The snap ring applied to the filter as set forth in claim 1, wherein the front surface of the body (10) further has a second annular groove (15) along the circumferential direction thereof, the second annular groove (15) is located inside the first annular groove (13), and the rear surface of the body (10) has a second annular projection (16) fitted into the second annular groove (15).
3. Snap ring for application to a filter, according to claim 2, characterized in that the groove depth of the first annular groove (13) and the second annular groove (15) is smaller than the groove depth of the clamping groove (11).
4. The snap ring applied to the filter as set forth in claim 1, wherein the snap groove (11) is provided in plurality, and is uniformly distributed on the front surface of the body (10) along the circumferential direction thereof, and the snap protrusions (12) are provided in the same number and corresponding positions to the snap groove (11).
5. Snap ring for application to a filter, according to claim 4, characterized in that the catching groove (11) is a cylindrical groove and the catching protrusion (12) is a cylindrical body.
6. A clamping ring for application to a filter according to claim 5, characterised in that the clamping groove (11) is a cylindrical groove with a decreasing diameter from the groove bottom to the groove opening.
7. The snap ring applied to the filter as set forth in claim 4, wherein the front surface of the body (10) is further provided with a groove (17), the groove (17) is positioned between two adjacent clamping grooves (11), and the back surface of the body (10) is provided with a boss (18) matched with the groove (17).
8. A filter, comprising: casing (200) and cover in lid (210) of casing open end, characterized by, still include the snap ring of any of claims 1-5, the snap ring is a plurality of, superposes in proper order and locates in casing (200), and adjacent two fix through the cooperation of draw-in groove (11) and card arch (12) between the snap ring, the inner diapire of casing (200) with be close to it the snap ring joint, the inner wall of lid (210) with be close to it snap ring (1) joint.
9. A protective mask comprising a mask body (30), characterized by further comprising a filter (20) according to claim 8, said filter (20) being provided on said mask body (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121335875.9U CN215841294U (en) | 2021-06-16 | 2021-06-16 | Be applied to snap ring, filter and protective facial mask on filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121335875.9U CN215841294U (en) | 2021-06-16 | 2021-06-16 | Be applied to snap ring, filter and protective facial mask on filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215841294U true CN215841294U (en) | 2022-02-18 |
Family
ID=80315117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121335875.9U Active CN215841294U (en) | 2021-06-16 | 2021-06-16 | Be applied to snap ring, filter and protective facial mask on filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215841294U (en) |
-
2021
- 2021-06-16 CN CN202121335875.9U patent/CN215841294U/en active Active
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