CN105944253B - Filtering type gas mask convenient for replacing filter tank - Google Patents
Filtering type gas mask convenient for replacing filter tank Download PDFInfo
- Publication number
- CN105944253B CN105944253B CN201610500762.7A CN201610500762A CN105944253B CN 105944253 B CN105944253 B CN 105944253B CN 201610500762 A CN201610500762 A CN 201610500762A CN 105944253 B CN105944253 B CN 105944253B
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- China
- Prior art keywords
- sleeve
- gear
- filter tank
- screw
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001914 filtration Methods 0.000 title claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 13
- 239000002341 toxic gas Substances 0.000 claims description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 4
- 231100000614 poison Toxicity 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a filter type gas mask convenient for replacing a filter tank, which comprises a head sleeve, wherein a glass mirror is arranged on the front surface of the head sleeve, a protection device is fixedly connected on the front surface of the head sleeve, the surface of the protection device is movably connected with the filter tank, the protection device comprises a shell, a movable pipe is arranged on the inner wall of the shell, a thread groove is arranged inside the movable pipe, the inside of the movable pipe is in threaded connection with one end of a screw rod through the thread groove, and the other end of the screw rod is fixedly connected with a piston. This filtration formula gas mask convenient to change and filter jar, during the dismantlement, the pin rod on filter jar surface drives the carousel and rotates, and the carousel passes through the ring gear and drives first gear, gear column and second gear rotation, and the second gear drives the screw rod and rotates, and the screw rod rotates, through the screw thread at the intraductal activity of activity, drives the piston and contracts into the sleeve pipe, makes the mask sealed, and gaseous can not get into, and when installing the filter jar, the piston outwards releases, makes the intraductal gas outgoing of sleeve.
Description
Technical Field
The invention relates to the technical field of safety equipment, in particular to a filter type gas mask convenient for replacing a filter tank.
Background
The filtering gas mask is a personal special labor protection article, is also a single-soldier protection article, is worn on the head, protects respiratory organs, eyes and faces of people, and prevents toxic substances such as toxic gas, dust, bacteria, toxic and harmful gas or steam from damaging the personal protection equipment; the filtering gas masks in the market all use a sealing face mask as a carrier, and are provided with a filtering tank for filtering toxic gas so as to allow people to breathe; when the filter tank is disassembled, toxic gas can enter the mask, and residual gas in gaps can contain toxic substances after the filter tank is installed, so that the filter tank is very unsafe.
Disclosure of Invention
The present invention is directed to a filter respirator that facilitates replacement of a filter canister to solve the problems set forth above.
In order to achieve the purpose, the invention provides the following technical scheme: a filter type gas mask convenient for replacing a filter tank comprises a head sleeve, wherein a glass mirror is arranged on the front surface of the head sleeve, a protective device is fixedly connected on the front surface of the head sleeve, the surface of the protective device is movably connected with the filter tank, the protective device comprises a shell, a movable pipe is arranged on the inner wall of the shell, a thread groove is arranged inside the movable pipe, the inside of the movable pipe is in threaded connection with one end of a screw rod through the thread groove, a piston is fixedly connected with the other end of the screw rod, a sleeve is sleeved on the surface of the piston, one end of the sleeve, which is far away from the screw rod, is sleeved with the surface of the filter tank, the surface of the filter tank is fixedly connected with one end of a pin rod, the other end of the pin rod is sleeved with a perforation on the surface of a rotary table, the rotary table is sleeved at the axis of the, the shaft center department of first gear pegs graft there is the pivot, the surface of pivot and the one end fixed connection of dead lever, the other end fixed connection of dead lever is on the inner wall of casing, the one end that the pivot is kept away from first gear has cup jointed the gear post, the gear post meshing has the second gear, the second gear cup joints the axle center department at the screw rod.
Preferably, the surface of one end, far away from the screw rod, of the sleeve is provided with threads, the surface of the filter tank is provided with threaded holes, and the sleeve is in threaded connection with the threaded holes in the surface of the filter tank through the threads.
Preferably, the surface of one end of the sleeve pipe, which is far away from the filter tank, is fixedly connected with the axis of the shell.
Preferably, the thread of the surface of the sleeve is in the same direction as the thread of the screw.
Compared with the prior art, the invention has the beneficial effects that: this filtration formula breathing mask convenient to change and filter jar, when we lift the filtration jar when needing rotatory filtration jar, the pin lever on filtration jar surface drives the carousel and rotates, the carousel passes through the ring gear and drives first gear, gear column and second gear rotation, the second gear drives the screw rod and rotates, the screw rod rotates, through the activity of screw thread in the movable tube, drive piston retraction sleeve pipe, make the mask sealed, gaseous can not get into, when installing the filtration jar, screw rod reverse motion drives the piston and outwards releases, make the intraductal gas escape of cover, avoid the poison gas infiltration, thereby the security performance of breathing mask has been improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a side view of the present invention;
FIG. 2 is an enlarged view of the present invention at A.
In the figure: 1 head sleeve, 2 glass mirror, 3 protective device, 301 shell, 302 movable tube, 303 thread groove, 304 screw, 305 sleeve, 306 piston, 307 pin rod, 308 turntable, 309 gear ring, 310 first gear, 311 rotating shaft, 312 fixed rod, 313 gear column, 314 second gear and 4 filter pot.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a filtering gas mask convenient for replacing a filter tank comprises a head cover 1, a glass mirror 2 is arranged on the front surface of the head cover 1, the glass mirror 2 is arranged to enable the vision of a user not to be blocked, a protection device 3 is fixedly connected to the front surface of the head cover 1, a filter tank 4 is movably connected to the surface of the protection device 3, the filter tank 4 is arranged to filter sucked air, and accordingly the sucked air of the wearer is purified, the protection device 3 comprises a shell 301, a movable pipe 302 is arranged on the inner wall of the shell 301, a thread groove 303 is arranged inside the movable pipe 302, the movable pipe 302 is in threaded connection with one end of a screw 304 through the thread groove 303, a piston 306 is fixedly connected to the other end of the screw 304, a sleeve 305 is sleeved on the surface of the piston 306, when the filter tank 4 is disassembled, the screw 304 rotates forwards, the screw moves in the movable pipe 302 through threads, the piston 306 is driven to, the gas can not enter, when the filter tank 4 is installed, the screw 305 moves reversely to drive the piston 306 to push out, the gas in the sleeve 305 is discharged, the toxic gas can be prevented from permeating, the mask can be recovered to use, the surface of the end of the sleeve 305 far away from the filter tank 4 is fixedly connected with the axis of the shell 301, the end of the sleeve 305 far away from the screw 304 is sleeved with the surface of the filter tank 4, the surface of the end of the sleeve 305 far away from the screw 304 is provided with threads, the threads of the surface of the sleeve 305 are in the same direction as the threads of the screw 304, the surface of the filter tank 4 is provided with a threaded hole, the sleeve 305 is in threaded connection with the threaded hole on the surface of the filter tank 4 through threads, the surface of the filter tank 4 is fixedly connected with one end of the pin rod 307, the other end of the pin rod 307 is sleeved with the through hole on the surface of the turntable 308, the filter tank 4, the filter tank 4 is rotated, a pin 307 on the surface of the filter tank 4 drives the rotating disc 308 to rotate, the rotating disc 308 is sleeved at the axis of the sleeve 305, a gear ring 309 is arranged on the side face of the rotating disc 308, the gear ring 309 is meshed with a first gear 310, a rotating shaft 311 is inserted at the axis of the first gear 310, the surface of the rotating shaft 311 is fixedly connected with one end of a fixed rod 312, the other end of the fixed rod 312 is fixedly connected to the inner wall of the shell 301, a gear column 313 is sleeved at one end, far away from the first gear 310, of the rotating shaft 311, the gear column 313 is meshed with a second gear 314, the rotating disc 308 drives the first gear 310, the gear column 313 and the second gear 314 to rotate through the gear ring 309, and the second gear 314 is.
The working principle is as follows: the rotation of the filter tank 4 drives the turntable 308, the gear ring 309, the first gear 310, the gear column 313 and the second gear 314 to move, so that the screw 304 rotates to drive the piston 306 to be pushed out or retracted, and the purpose of replacing the filter tank 4 is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a filtration formula breathing mask convenient to change and filter jar, includes headgear (1), the front of headgear (1) is provided with glass mirror (2), its characterized in that: the front surface of the head sleeve (1) is fixedly connected with a protection device (3), and the surface of the protection device (3) is movably connected with a filtering tank (4);
the protection device (3) comprises a shell (301), a movable pipe (302) is arranged on the inner wall of the shell (301), a thread groove (303) is arranged inside the movable pipe (302), the inside of the movable pipe (302) is in threaded connection with one end of a screw (304) through the thread groove (303), a piston (306) is fixedly connected with the other end of the screw (304), a sleeve (305) is sleeved on the surface of the piston (306), one end, far away from the screw (304), of the sleeve (305) is sleeved with the surface of a filter tank (4), the surface of the filter tank (4) is fixedly connected with one end of a pin rod (307), the other end of the pin rod (307) is sleeved with a through hole on the surface of a turntable (308), the turntable (308) is sleeved at the axis of the sleeve (305), a gear ring (309) is arranged on the side of the turntable (308), and a first gear (310) is meshed with the gear ring (309), a rotating shaft (311) is inserted at the axis of the first gear (310), the surface of the rotating shaft (311) is fixedly connected with one end of a fixed rod (312), the other end of the fixed rod (312) is fixedly connected to the inner wall of the shell (301), one end of the rotating shaft (311) far away from the first gear (310) is sleeved with a gear column (313), the gear column (313) is engaged with a second gear (314), and the second gear (314) is sleeved at the axis of the screw (304);
the surface of one end, far away from the screw rod (304), of the sleeve (305) is provided with threads, the surface of the filter tank (4) is provided with a threaded hole, and the sleeve (305) is in threaded connection with the threaded hole in the surface of the filter tank (4) through the threads;
the surface of one end of the sleeve (305) far away from the filter tank (4) is fixedly connected with the axis of the shell (301);
the thread on the surface of the sleeve (305) is in the same direction as the thread of the screw (304);
when the filter tank (4) is disassembled, the screw rod (304) rotates in the forward direction, the screw rod moves in the movable pipe (302) through threads, the piston (306) is driven to retract into the sleeve (305), the mask is sealed, gas cannot enter, when the filter tank (4) is installed, the screw rod (305) moves in the reverse direction, the piston (306) is driven to be pushed out outwards, the gas in the sleeve (305) is discharged, toxic gas is prevented from permeating, and the mask is recovered to be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610500762.7A CN105944253B (en) | 2016-06-30 | 2016-06-30 | Filtering type gas mask convenient for replacing filter tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610500762.7A CN105944253B (en) | 2016-06-30 | 2016-06-30 | Filtering type gas mask convenient for replacing filter tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105944253A CN105944253A (en) | 2016-09-21 |
| CN105944253B true CN105944253B (en) | 2021-06-22 |
Family
ID=56902405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610500762.7A Active CN105944253B (en) | 2016-06-30 | 2016-06-30 | Filtering type gas mask convenient for replacing filter tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105944253B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395220A (en) * | 2018-11-28 | 2019-03-01 | 赵金花 | A kind of internal medicine clinic breathing sterilised filtration device |
| CN111657601B (en) * | 2020-07-09 | 2022-03-01 | 河南亚都实业有限公司 | Medical anti-fog mask |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033575A (en) * | 1987-12-21 | 1989-07-05 | 联合工艺公司 | Filter replacement mechanism |
| CN202500520U (en) * | 2012-07-12 | 2012-10-24 | 刘金声 | Replaceable suspension-type clip sealing device |
| JP2013176719A (en) * | 2012-02-28 | 2013-09-09 | Amano Corp | Filter replacement device and filter replacement method |
| DE202013008092U1 (en) * | 2013-09-12 | 2013-10-10 | Norbert Neubauer | Bracket for speaking valves and / or heat-moisture exchanger and suitable heat-moisture exchanger |
| CN203750046U (en) * | 2014-01-10 | 2014-08-06 | 杭州可普信实业有限公司 | Fire protection filtering type self-saving breathing apparatus |
| CN204275217U (en) * | 2014-12-05 | 2015-04-22 | 王国栋 | Cardiological electric pulmotor |
| CN204411966U (en) * | 2015-01-06 | 2015-06-24 | 昆山凡尼谛克五金机械有限公司 | High efficiency particulate air filter compressorium |
| CN204468940U (en) * | 2015-02-27 | 2015-07-15 | 中国人民解放军总医院 | A kind of breathing mask being convenient to grafting |
| CN204582726U (en) * | 2015-03-17 | 2015-08-26 | 杭州费尔过滤技术有限公司 | A kind of quick-detachable filter |
| CN204951989U (en) * | 2015-07-21 | 2016-01-13 | 青岛冠宝林活性炭有限公司 | Malicious face guard is strained to active carbon |
| CN205698965U (en) * | 2016-06-30 | 2016-11-23 | 洛阳高昌机电科技有限公司 | A kind of filtermask being conveniently replaceable filtering tank |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2928765B2 (en) * | 1997-07-16 | 1999-08-03 | 核燃料サイクル開発機構 | Slide exchange type filter device |
-
2016
- 2016-06-30 CN CN201610500762.7A patent/CN105944253B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033575A (en) * | 1987-12-21 | 1989-07-05 | 联合工艺公司 | Filter replacement mechanism |
| JP2013176719A (en) * | 2012-02-28 | 2013-09-09 | Amano Corp | Filter replacement device and filter replacement method |
| CN202500520U (en) * | 2012-07-12 | 2012-10-24 | 刘金声 | Replaceable suspension-type clip sealing device |
| DE202013008092U1 (en) * | 2013-09-12 | 2013-10-10 | Norbert Neubauer | Bracket for speaking valves and / or heat-moisture exchanger and suitable heat-moisture exchanger |
| CN203750046U (en) * | 2014-01-10 | 2014-08-06 | 杭州可普信实业有限公司 | Fire protection filtering type self-saving breathing apparatus |
| CN204275217U (en) * | 2014-12-05 | 2015-04-22 | 王国栋 | Cardiological electric pulmotor |
| CN204411966U (en) * | 2015-01-06 | 2015-06-24 | 昆山凡尼谛克五金机械有限公司 | High efficiency particulate air filter compressorium |
| CN204468940U (en) * | 2015-02-27 | 2015-07-15 | 中国人民解放军总医院 | A kind of breathing mask being convenient to grafting |
| CN204582726U (en) * | 2015-03-17 | 2015-08-26 | 杭州费尔过滤技术有限公司 | A kind of quick-detachable filter |
| CN204951989U (en) * | 2015-07-21 | 2016-01-13 | 青岛冠宝林活性炭有限公司 | Malicious face guard is strained to active carbon |
| CN205698965U (en) * | 2016-06-30 | 2016-11-23 | 洛阳高昌机电科技有限公司 | A kind of filtermask being conveniently replaceable filtering tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105944253A (en) | 2016-09-21 |
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