canister with filter membrane
A filter membrane and canister technology, which is applied in the direction of dispersed particle filtration, respiratory filters, life-saving equipment, etc., can solve the problems of easy falling, easy deformation of filter plates, and fast dirtying of filter materials, etc., to achieve extended Long service life, easy to open, not easy to deform
Active Publication Date: 2020-06-23
JIANGSHAN CITY KELI FIRE FIGHTING EQUIP
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Problems solved by technology
[0003] The invention provides a canister with a filter membrane that is not easy to disengage the hole cover, the filter plate is not easy to deform, and the filter structure is dirty at a slow speed, which solves the problems of easy falling and sealing of the air hole through the rubber plug. The filter plate is suspended in the air and is easily deformed and the filter material is dirty quickly.
Method used
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Embodiment 2
[0033] Embodiment two, the difference with embodiment one is:
[0034] see Figure 4 , The casing 1 is provided with an avoidance groove 15 . The escape groove 15 extends along the circumference of the housing 1 . The central angle corresponding to the avoidance groove 15 is 180°, that is, the extension length of the avoidance groove 15 is half of the circumference of the housing.
[0035] A drum 5 is also rotatably connected in the casing 1 . The two bottom walls of the drum 5 are composed of two filter plates 51, in other words, a number of filter holes are opened on the two bottom walls of the drum 5 to form two filter plates. Drum 5 is connected together by staving 5-1 and bung 5-2 and constitutes. The inner space of the drum 5 constitutes a filter material storage chamber 12 . A partition 55 is provided inside the drum 5 . The partition plate 55 evenly divides the filter material storage chamber 12 into a first branch storage chamber 121 and a second branch storage ...
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The invention relates to fire fighting products, in particular to a canister with a filter film. The canister comprises a shell and two filter plates located in the shell. The shell is divided into anear-mouth end air cavity, a filter material storage cavity and a far-mouth end air cavity by the two filter plates. The near-mouth end air cavity is provided with a near-mouth end air hole, the far-mouth end air cavity is provided with a far-mouth end air hole, and supporting pins are arranged in the near-mouth end air cavity and the far-mouth end air cavity. The near-mouth end air hole is provided with a hole cover, and the hole cover and the shell are integrally formed. A damage guide groove is formed in the junction of a cover plate and the shell and located in the inner side of the coverplate. A top block is located on the outer side of the cover plate and protrudes out of the shell. The far-mouth end air hole is provided with the filter film. According to the canister with the filter film, the hole cover is not prone to disengaging, the filter plates are not prone to deformation, the filter structure is stained slowly, and the problems that a rubber plug is prone to falling offwhen being used for sealing the air hole, filter plates are prone to deformation as being suspended and a filter material is stained quickly are solved.
Description
technical field [0001] The invention relates to fire-fighting supplies, in particular to a poison canister provided with a filter membrane. Background technique [0002] The fire-fighting self-seeking breathing apparatus is an appliance used to wear during fire-fighting operations to prevent smoke poisoning. The respirator filters the inhaled air through the green poison canister. The Chinese patent application number is 2012101089456, and the publication date is August 1, 2012. In the patent document, one existing canister for respirators is disclosed. The basic structure of the canister includes a shell and two filter plates located in the shell. The two filter plates divide the shell into an air cavity near the mouth, a filter material storage cavity and an air cavity at the far mouth. The air cavity near the mouth is equipped with The air hole near the mouth end and the air cavity at the far mouth end are provided with air holes at the far mouth end, and the filter mat...
Claims
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IPC IPC(8): A62B7/10A62B23/02B01D46/54
Inventor 姜有飞
Owner JIANGSHAN CITY KELI FIRE FIGHTING EQUIP