CN110122949B - Removable dust mask of filter core - Google Patents
Removable dust mask of filter core Download PDFInfo
- Publication number
- CN110122949B CN110122949B CN201910286359.2A CN201910286359A CN110122949B CN 110122949 B CN110122949 B CN 110122949B CN 201910286359 A CN201910286359 A CN 201910286359A CN 110122949 B CN110122949 B CN 110122949B
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- groove
- block
- sliding
- cavity
- air
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a dustproof mask with a replaceable filter element, which comprises a mask, wherein a piece of partition cloth is fixedly arranged at the right end of the mask, a soft pad is fixedly arranged at the edge of the mask, a lace is fixedly arranged at the right end of the soft pad, an air inlet is arranged at the left side of the mask, moving grooves are formed in the front and the back of the air inlet in a communicating manner, and moving blocks are arranged in the moving grooves in a sliding manner.
Description
Technical Field
The invention relates to the technical field of daily supplies, in particular to a dustproof mask with a replaceable filter element.
Background
Present dust mask is when renew cartridge, and the operation is inconvenient, and the filter core is unstable in the gauze mask, and when using the gauze mask, and exhaust waste gas can get into once more and discharge through the filter chamber, then can consume the filter core, shortens filter core live time, secondly, when renew cartridge, the blow vent of gauze mask is the open mode, easily makes in the outside air enters into the oral cavity cover through not filtering.
Therefore, there is a need for further improvement of the dustproof mask in the prior art, so as to improve the convenience of use and the dustproof efficiency of the mask.
Disclosure of Invention
The invention aims to provide a dustproof mask with a replaceable filter element, which is used for overcoming the defects in the prior art.
The dust mask with the replaceable filter element comprises a mask, wherein a piece of partition cloth is fixedly arranged at the right end of the mask, a cushion is fixedly arranged at the edge of the mask, a lace is fixedly arranged at the right end of the cushion, an air inlet is formed in the left side of the mask, moving grooves are formed in the front and back of the air inlet in a communicating manner, moving blocks are arranged in the moving grooves in a sliding manner, linkage devices are symmetrically arranged in the front and back of the air inlet and are meshed with the moving blocks, a filter cavity is formed in the right side of the air inlet in a communicating manner, the filter element is placed in the filter cavity, a pressing groove is formed in the lower side of the filter cavity in a communicating manner, a pressing block abutting against the filter element is arranged in the pressing groove, a torsion spring is fixedly arranged between the pressing block and the pressing groove, a connecting groove is formed in the right side of the pressing groove in a communicating manner, a meshing, a locking device is arranged in the installation cavity, the locking device is abutted against the filter element, the right side of the filter cavity is communicated with an air cavity, a sealing block is arranged in the air cavity in a sliding manner, compression springs which are symmetrical front and back are fixedly arranged between the sealing block and the air cavity, the right side of the air cavity is communicated with an air outlet, a push groove is arranged in the left side wall of the air outlet and is communicated front and back, a push block is arranged in the push groove in a sliding manner, the push block is meshed with the linkage device, air grooves are respectively communicated between the inner walls of the front side and the back side of the air outlet and the outside, a sealing plate is arranged in the air grooves in a sliding manner, a slide bar is fixedly arranged at one end of the sealing plate, guide grooves are communicated at two sides; the filter element is used for filtering air, the air inlet only feeds air, and the air outlet only discharges air.
According to a further technical scheme, the linkage device comprises a rotary groove communicated with the moving groove, a rotating gear is rotationally arranged in the rotary groove, a first bevel gear is fixedly arranged on the upper end face of the rotating gear, a second bevel gear meshed with the first bevel gear is rotationally arranged in the rotary groove through a rotating shaft, the first bevel gear is in power connection with the gear shaft through a toothed belt respectively, an empty groove communicated with the pushing groove is formed in the right side of the rotary groove, a transmission gear is rotationally arranged in the empty groove, a third bevel gear is fixedly arranged on the upper end face of the transmission gear, a fourth bevel gear meshed with the third bevel gear is rotationally arranged in the empty groove through a mandrel, and the mandrel is in power connection with the rotating shaft through a belt; when the moving block moves to close the air inlet, the pushing block is driven to move to close the air outlet.
According to a further technical scheme, the locking device comprises a fixed block which is in sliding connection with the installation cavity, the left side of the installation cavity is communicated with a sliding groove, a sliding block is arranged in the sliding groove in a sliding mode, clamping grooves which are in sliding connection with the fixed block are symmetrically arranged in the front and back of the sliding block, a reset assembly used for resetting the sliding block is fixedly arranged on the upper end face of the sliding block, a sliding cavity is communicated with the right side of the installation cavity, clamping blocks are arranged in the sliding cavity in a sliding mode, and grooves which are symmetrical in the front and back and are in sliding connection with the fixed block are arranged; the clamping block slides into the mounting cavity and drives the fixing block to ascend.
The invention has the beneficial effects that: the mask is simple in structure and convenient to operate, the air inlet is separated from the air outlet, and the air one-way circulating devices are arranged, so that the discharged waste gas is discharged through the air outlet, and cannot reversely enter the filter cavity to consume the filter element, the service life of the filter element is prolonged, and the filter element can be replaced, so that the mask is suitable for different occasions and is convenient and fast to use.
Drawings
FIG. 1 is a schematic view of the internal structure of a removable filter element dust mask of the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of "B" in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of "C" in FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the structure in the direction "E-E" in FIG. 5 according to the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the front, rear, left, right, and up-down directions described below correspond to the front, rear, left, right, and up-down directions of the projection relation of fig. 1 itself.
Referring to fig. 1-6, a dust mask with a replaceable filter element according to an embodiment of the present invention includes a mask 10, a partition cloth 50 is fixedly disposed at a right end of the mask 10, a cushion 11 is fixedly disposed at an edge of the mask 10, a strap 12 is fixedly disposed at a right end of the cushion 11, an air inlet 13 is disposed at a left side of the mask 10, a moving groove 14 is disposed in front of and in rear of the air inlet 13, a moving block 15 is slidably disposed in the moving groove 14, linkage devices 100 are symmetrically disposed at front and rear of the air inlet 13, the linkage devices 100 are engaged with the moving block 15, a filtering chamber 30 is disposed at a right side of the air inlet 13 in communication with each other, a filter element 31 is disposed in the filtering chamber 30, a pressing groove 42 is disposed at a lower side of the filtering chamber 30 in communication with each other, a pressing block 43 abutting against the filter element 31 is disposed in the pressing groove 42, a meshing gear 47 is rotatably arranged in the connecting groove 45 through a gear shaft 46, the front end and the rear end of the gear shaft 46 are respectively in power connection with the linkage device 100, an installation cavity 48 is communicated between the upper side of the filter cavity 30 and the outside, a locking device 200 is arranged in the installation cavity 48, the locking device 200 is abutted against the filter element 31, the right side of the filter cavity 30 is communicated with and provided with an air cavity 32, a sealing block 33 is arranged in the air cavity 32 in a sliding manner, compression springs 34 which are symmetrical in the front and the rear are fixedly arranged between the sealing block 33 and the air cavity 32, the right side of the air cavity 32 is communicated with and provided with an air outlet 35, a push groove 27 is arranged in the left side wall of the air outlet 35 in the front and the rear in a communicating manner, a push block 28 is arranged in the push groove 27 in a sliding manner, the push block 28 is meshed with the linkage device, a sliding rod 38 is fixedly arranged at one end of the sealing plate 37, guide grooves 39 are formed in two sides of the air groove 36 in a communicating manner, a spring 40 is fixedly arranged between the sliding rod 38 and the guide grooves 39, and a filter screen 41 is fixedly arranged on one side of the sliding rod 38, which is far away from the exhaust port 35; the filter element 31 is used for filtering air, the air inlet 13 only feeds air, and the air outlet 35 only discharges air.
Beneficially, the linkage device 100 includes a rotating groove 16 communicated with the moving groove 14, a rotating gear 17 is rotatably disposed in the rotating groove 16, a first bevel gear 18 is fixedly disposed on an upper end surface of the rotating gear 17, a second bevel gear 19 meshed with the first bevel gear 18 is rotatably disposed in the rotating groove 16 through a rotating shaft 20, the first bevel gear 18 and the gear shaft 46 are respectively in power connection through a toothed belt 22, an empty groove 23 communicated with the push groove 27 is disposed on a right side of the rotating groove 16, a transmission gear 26 is rotatably disposed in the empty groove 23, a third bevel gear 25 is fixedly disposed on an upper end surface of the transmission gear 26, a fourth bevel gear 24 meshed with the third bevel gear 25 is rotatably disposed in the empty groove 23 through a mandrel 29, and the mandrel 29 and the rotating shaft 20 are in power connection through a belt 21; when the moving block 15 moves to close the air inlet 13, the pushing block 28 is driven to move to close the air outlet 35.
Beneficially, the locking device 200 includes a fixed block 49 slidably connected to the installation cavity 48, the left side of the installation cavity 48 is communicated with a sliding groove 51, a sliding block 52 is slidably arranged in the sliding groove 51, clamping grooves 54 slidably connected to the fixed block 49 are symmetrically arranged in the front and back of the sliding block 52, a reset assembly 53 for resetting the sliding block 52 is fixedly arranged on the upper end surface of the sliding block 52, a sliding cavity 55 is communicated with the right side of the installation cavity 48, a clamping block 56 is slidably arranged in the sliding cavity 55, and grooves 57 which are symmetrically arranged in the front and back and slidably connected to the fixed block 49 are arranged in the clamping block 56; the block 56 slides into the mounting cavity 48 and drives the block 49 to rise.
In the initial state, the fixed block 49 is located in the installation cavity 48, the filter element 31 is located in the filter cavity 30, the torsion spring 44 is in a compressed state, the moving block 15 opens the air inlet 13, and the pushing block 28 opens the air outlet 35.
When the device is needed to work, the mask 10 is worn on the face through the tying belt 12, the soft cushion 11 is tightly attached to the face, when air is sucked, the sealing block 33 slides rightwards, the air enters the filtering cavity 30 through the air inlet 13 and is absorbed after being filtered by the filter element 31, when waste gas is exhaled, the sealing block 33 moves leftwards to close the channel of the air inlet 13, the sealing plate 37 slides towards two sides, the exhaust port 35 is communicated with the outside, the waste gas is exhausted, the mask is used for using, when the filter element 31 is replaced, the clamping block 56 is completely positioned in the mounting cavity 48 through the sliding block 56, the extruding sliding block 52 is positioned in the sliding groove 51, the clamping block 56 is upwards taken out, the fixing block 49 is taken out, then the filter element 31 can be taken out of the filtering cavity 30 for replacement, at the moment, the pressing block 43 rises under the action of the torsion spring 44, the meshing gear 47 rotates, the rotating shaft 20 is driven by the, the moving blocks 15 move oppositely to close the air inlet 13, the transmission gear 26 rotates through the belt 21, the pushing block 28 moves rightwards to close the air outlet 35, unfiltered air enters the inlet cover when replacement or non-use is avoided, the replaced filter element 31 is placed into the filter cavity 30 through the mounting cavity 48, the fixture block 56 is pressed downwards to enable the fixed block 49 to be abutted against the filter element 31, then the fixture block 56 slides rightwards upwards to enable the right end of the fixture block 56 to enter the sliding cavity 55, and the right end of the sliding block 52 extends into the mounting cavity 48 to fix the fixed block 49 for normal use.
The invention has the beneficial effects that: the mask is simple in structure and convenient to operate, the air inlet is separated from the air outlet, and the air one-way circulating devices are arranged, so that the discharged waste gas is discharged through the air outlet, and cannot reversely enter the filter cavity to consume the filter element, the service life of the filter element is prolonged, and the filter element can be replaced, so that the mask is suitable for different occasions and is convenient and fast to use.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (1)
1. A dustproof mask with a replaceable filter element comprises a mask body, wherein a piece of partition cloth is fixedly arranged at the right end of the mask body, a cushion is fixedly arranged at the edge of the mask body, a lace is fixedly arranged at the right end of the cushion, an air inlet is formed in the left side of the mask body, a moving groove is formed in the front and back of the air inlet in a communicating mode, a moving block is arranged in the moving groove in a sliding mode, linkage devices are symmetrically arranged in the front and back of the air inlet and meshed with the moving block, a filter cavity is arranged in the right side of the air inlet in a communicating mode, the filter element is placed in the filter cavity, a pressing groove is formed in the lower side of the filter cavity in a communicating mode, a pressing block abutted to the filter element is arranged in the pressing groove, a torsional spring is fixedly arranged between the pressing block and the pressing groove, a connecting groove is formed in the right side of the, a locking device is arranged in the installation cavity, the locking device is abutted against the filter element, the right side of the filter cavity is communicated with an air cavity, a sealing block is arranged in the air cavity in a sliding manner, compression springs which are symmetrical front and back are fixedly arranged between the sealing block and the air cavity, the right side of the air cavity is communicated with an air outlet, a push groove is arranged in the left side wall of the air outlet and is communicated front and back, a push block is arranged in the push groove in a sliding manner, the push block is meshed with the linkage device, air grooves are respectively communicated between the inner walls of the front side and the back side of the air outlet and the outside, a sealing plate is arranged in the air grooves in a sliding manner, a slide bar is fixedly arranged at one end of the sealing plate, guide grooves are communicated at two sides; the filter element is used for filtering air, the air inlet only feeds air, and the air outlet only exhausts air; the linkage device comprises a rotary groove communicated with the moving groove, a rotary gear is rotationally arranged in the rotary groove, a first bevel gear is fixedly arranged on the upper end face of the rotary gear, a second bevel gear meshed with the first bevel gear is rotationally arranged in the rotary groove through a rotary shaft, the first bevel gear is in power connection with the gear shaft through a toothed belt, an empty groove communicated with the push groove is formed in the right side of the rotary groove, a transmission gear is rotationally arranged in the empty groove, a third bevel gear is fixedly arranged on the upper end face of the transmission gear, a fourth bevel gear meshed with the third bevel gear is rotationally arranged in the empty groove through a mandrel, and the mandrel is in power connection with the rotary shaft through a belt; when the moving block moves to close the air inlet, the pushing block is driven to move to close the air outlet; the locking device comprises a fixed block which is in sliding connection with the installation cavity, the left side of the installation cavity is communicated with a sliding groove, a sliding block is arranged in the sliding groove in a sliding mode, clamping grooves which are in sliding connection with the fixed block are symmetrically arranged in the front and back of the sliding block, a reset assembly used for resetting the sliding block is fixedly arranged on the upper end face of the sliding block, a sliding cavity is communicated with the right side of the installation cavity, clamping blocks are arranged in the sliding cavity in a sliding mode, and grooves which are symmetrical in the front and back and are in sliding connection with the fixed block are arranged in; the clamping block slides into the mounting cavity and drives the fixing block to ascend.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286359.2A CN110122949B (en) | 2019-04-10 | 2019-04-10 | Removable dust mask of filter core |
| JP2019079707A JP6623482B1 (en) | 2019-04-10 | 2019-04-18 | Replaceable dust mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286359.2A CN110122949B (en) | 2019-04-10 | 2019-04-10 | Removable dust mask of filter core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110122949A CN110122949A (en) | 2019-08-16 |
| CN110122949B true CN110122949B (en) | 2020-11-03 |
Family
ID=67569585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286359.2A Active CN110122949B (en) | 2019-04-10 | 2019-04-10 | Removable dust mask of filter core |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6623482B1 (en) |
| CN (1) | CN110122949B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115932186B (en) * | 2023-01-05 | 2024-05-24 | 哈尔滨工业大学 | Air quality purifying and monitoring equipment and method for sports building |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB912418A (en) * | 1960-09-05 | 1962-12-05 | Vickers Res Ltd | Improvements in or relating to masks |
| JPS4871693U (en) * | 1971-12-09 | 1973-09-08 | ||
| DE2908528C2 (en) * | 1979-03-05 | 1984-04-05 | Drägerwerk AG, 2400 Lübeck | Lung-controlled breathing apparatus with positive pressure inside the mask |
| JPS58133360U (en) * | 1982-03-05 | 1983-09-08 | 興研株式会社 | Gas mask intake valve device |
| EP1276542B1 (en) * | 2000-04-18 | 2008-03-12 | Avon Protection Systems, Inc. | Self-sealing filter connection and gas mask and filter assembly incorporating the same |
| JP4239415B2 (en) * | 2001-01-12 | 2009-03-18 | 株式会社日立プラントテクノロジー | Exhalation dehumidifier |
| JP4594180B2 (en) * | 2005-07-20 | 2010-12-08 | 大王製紙株式会社 | mask |
| KR101273224B1 (en) * | 2010-11-11 | 2013-06-11 | 이영상 | Mask for protecting from pesticide poisoning |
| TWM525758U (en) * | 2016-04-06 | 2016-07-21 | Mao Teng Jia Technology Co Ltd | Mask exhausting structure with channel buffering section |
| DE102016121822A1 (en) * | 2016-11-14 | 2018-05-17 | Alfred Kärcher Gmbh & Co. Kg | Portable individual air purification system |
| CN106820345B (en) * | 2017-02-24 | 2018-05-25 | 潘景英 | A kind of safety goggles haze mask |
| CN207544375U (en) * | 2017-08-11 | 2018-06-29 | 陈馨 | A kind of medical treatment and nursing protective mask |
-
2019
- 2019-04-10 CN CN201910286359.2A patent/CN110122949B/en active Active
- 2019-04-18 JP JP2019079707A patent/JP6623482B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020172731A (en) | 2020-10-22 |
| CN110122949A (en) | 2019-08-16 |
| JP6623482B1 (en) | 2019-12-25 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201010 Address after: 215600 Nanfeng village, Nanfeng Town, Zhangjiagang, Jiangsu, Suzhou Applicant after: SUZHOU LOTTE PROTECTIVE EQUIPMENT Co.,Ltd. Address before: 324000 Aifeng Village, Xintangbian Town, Jiangshan City, Quzhou City, Zhejiang Province, Dayuan Di No. 5 Applicant before: Jiangshan Fanluoda Medical Devices Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |