CN217854209U - Wisdom fire control is with filtering efficient filtration formula fire control self-rescue respirator - Google Patents

Abstract

The utility model discloses a high-efficiency filtering fire-fighting self-rescue respirator for intelligent fire-fighting, which comprises a hood, a connection mechanism and a limit filter mechanism, the connection mechanism is arranged on the hood, and the limit filter mechanism is arranged on the head On the hood, the connection mechanism includes a neck cover, an eye window and an exhaust valve, the neck cover is installed on the bottom of the hood and communicates with the hood, the eye window is arranged on the front of the hood, and the exhaust valve The valve is installed on the right side of the hood and communicates with the hood. The utility model passes through the filter shell, the air outlet, the filter shell, the sealing plate, the positioning block, the positioning groove, the air inlet, the stop block, the filter screen, the limit block, the connecting block, the fixing bolt, the rolling bearing, the threaded rod, and the movable plate. , the block and the card slot cooperate with each other, so as to facilitate the disassembly and maintenance of the filter screen inside the poison filter shell, avoid the clogging of the filter screen in the second use, improve the filtering effect of the filter screen, and avoid affecting the secondary use of the self-rescue respirator It can be used once, which improves the practicality.

Description

A high-efficiency filtering fire-fighting self-rescue respirator for intelligent fire-fighting

technical field

The utility model relates to the technical field of fire-fighting self-rescue respirator, in particular to a filter-type fire-fighting self-rescue respirator with high filtration efficiency for intelligent fire-fighting.

Background technique

Fire filter self-rescue respirator is a self-contained open-air respirator, which is used for firefighters or emergency rescue personnel to safely and effectively extinguish fires, rescue and rescue in various environments such as dense smoke, poisonous gas, steam or lack of oxygen. and ambulance work.

According to the application number CN201820131201.9, the utility model discloses a fire filter type self-rescue respirator, which includes a high temperature resistant flame retardant hood, an exhaust valve is arranged at the front end of the high temperature resistant flame retardant hood, and the exhaust valve is embedded in the high temperature resistant In the flame retardant hood, a large eye window is provided at the front end of the high temperature resistant flame retardant hood, and the large eye window is embedded in the high temperature resistant flame retardant hood. This kind of fire-fighting filter self-rescue respirator has an adsorption layer inside the canister, and the adsorption layer is fixedly connected in the canister. The adsorption layer is completed by activated carbon. Activated carbon is made of wood, coal, fruit shells, etc. Carbon substances are activated to make activated carbon adsorption under high temperature and anoxic conditions. The adsorption is achieved by physical adsorption, chemical adsorption and oxidation of activated carbon. When toxic gases pass through the adsorption layer, harmful substances in toxic gases can be adsorbed. , which effectively guarantees the purification of toxic gases; however, in the above case, the filter shell and the self-rescue respirator are integrated, so it is inconvenient to disassemble and maintain the filter screen in the filter shell, which greatly affects Its filtering effect leads to the phenomenon that the secondary use is prone to clogging in the later stage, which reduces the filtering efficiency, thereby affecting the secondary use of the self-rescue respirator and reducing the practicability.

Utility model content

The purpose of this utility model is to provide a filter-type fire-fighting self-rescue respirator with high filtration efficiency for intelligent fire-fighting, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a filter-type fire-fighting self-rescue respirator with high-efficiency filtering for intelligent fire-fighting, including a hood, a connecting mechanism and a limit filter mechanism, the connecting mechanism is set on the hood, and the The limit filter mechanism is arranged on the hood;

The connecting mechanism includes a neck cover, an eye window and an exhaust valve, the neck cover is installed on the bottom of the hood and communicates with the hood, the eye window is arranged on the front of the hood, and the exhaust valve is installed on the The right side of the hood and communicates with the hood;

The position-limiting filter mechanism includes a poison filter shell, the poison filter shell is installed on the front of the hood, the back of the poison filter shell is provided with an air outlet communicating with the hood, and the front of the poison filter shell is provided with The filter shell, the back of the filter shell runs through the filter shell and extends to the inside to contact with the inner wall of the filter shell, the surface of the filter shell is installed with a sealing plate, and the left and right sides of the back of the sealing plate are installed with Positioning block, the front of the filter housing is provided with a positioning slot corresponding to the position of the positioning block, the front of the filter housing is provided with an air inlet, the left and right sides of the inner wall of the filter housing are equipped with stoppers, two The side of the block away from the air inlet is provided with a filter screen, and the side of the filter screen away from the block is provided with two limit blocks, the back of the limit block is equipped with a connection block, and the back of the connection block Through the filter shell and extending to the outside, the back of the connection block is provided with a fixing bolt threaded with the filter shell, rolling bearings are installed in the grooves on the left and right sides of the filter shell, and the inner walls of the rolling bearings move A threaded rod is connected, the surface of the threaded rod is threadedly connected with a movable plate, and a block is installed on the side of the movable plate close to the filter shell, and the left and right sides of the filter shell are equipped with card slot.

Preferably, the bottom of the collar is in an open state.

Preferably, the side of the sealing plate close to the canister is in contact with the canister.

Preferably, the side of the positioning block close to the positioning groove penetrates through the positioning groove and extends to the inside to contact with the inner wall of the positioning groove.

Preferably, the side of the filter screen close to the stopper is in contact with the stopper, and the surface of the filter screen is in contact with the inner wall of the filter housing.

Preferably, the side of the limit block close to the filter screen is in contact with the filter screen.

Preferably, the side of the block close to the slot penetrates through the canister and the slot in sequence, and extends to the inside of the slot to contact the inner wall of the slot.

Compared with the prior art, the beneficial effects of the utility model are as follows:

The utility model passes through the filter shell, the air outlet, the filter shell, the sealing plate, the positioning block, the positioning groove, the air inlet, the stop block, the filter screen, the limit block, the connecting block, the fixing bolt, the rolling bearing, the threaded rod, and the movable plate. , the block and the card slot cooperate with each other, so as to facilitate the disassembly and maintenance of the filter screen inside the poison filter shell, avoid the clogging of the filter screen in the second use, improve the filtering effect of the filter screen, and avoid affecting the secondary use of the self-rescue respirator It can be used once, which improves the practicality.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model;

Fig. 2 is the three-dimensional structure schematic diagram of side view of the utility model;

Fig. 3 is a structural sectional view of the top view of the limit filter mechanism of the present invention.

In the figure: 1 hood, 2 connection mechanism, 21 neck cover, 22 eye window, 23 exhaust valve, 3 limit filter mechanism, 31 filter shell, 32 air outlet, 33 filter shell, 34 sealing plate, 35 positioning block , 36 positioning groove, 37 air inlet, 38 block, 39 filter screen, 310 limit block, 311 connecting block, 312 fixing bolt, 313 rolling bearing, 314 threaded rod, 315 movable plate, 316 block, 317 card slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-3, a kind of high-efficiency filtering fire-fighting self-rescue respirator for smart firefighting, including a hood 1, a connection mechanism 2 and a limit filter mechanism 3, the connection mechanism 2 is set on the hood 1, and the limit filter mechanism 3 is arranged on the hood 1.

The connecting mechanism 2 includes a neck cover 21, an eye window 22 and an exhaust valve 23. The neck cover 21 is installed on the bottom of the hood 1 and communicates with the hood 1. The bottom of the neck cover 21 is in an open state, and the eye window 22 is arranged on the On the front of the hood 1, the exhaust valve 23 is installed on the right side of the hood 1 and communicates with the hood 1, and the user's neck is conveniently protected by setting the neck cover 21.

The limit filter mechanism 3 includes a poison filter shell 31, the poison filter shell 31 is installed on the front of the hood 1, the back side of the poison filter shell 31 is provided with an air outlet 32 communicating with the hood 1, and the front of the poison filter shell 31 is provided with The filter shell 33, the back of the filter shell 33 runs through the poison shell 31 and extends to its interior to contact with the inner wall of the poison shell 31, the surface of the filter shell 33 is fixedly connected with a sealing plate 34, and the sealing plate 34 is close to the side of the poison shell 31 One side is in contact with the poison case 31, and the left and right sides of the back of the sealing plate 34 are fixedly connected with a positioning block 35, and the front of the poison case 31 is provided with a positioning groove 36 at a position corresponding to the positioning block 35, and the positioning block 35 is located close to the position One side of the groove 36 runs through the positioning groove 36 and extends to the inside to contact with the inner wall of the positioning groove 36. The front of the filter housing 33 is provided with an air inlet 37, and the left and right sides of the inner wall of the filter housing 33 are fixedly connected with stoppers 38. Two stoppers 38 are provided with a filter screen 39 away from the side of the air inlet 37, and the side of the filter screen 39 near the stopper 38 is in contact with the stopper 38, and the surface of the filter screen 39 is in contact with the inner wall of the filter housing 33. The filter screen 39 is provided with two stoppers 310 away from the side of the stopper 38, the side of the stopper 310 near the filter screen 39 is in contact with the filter screen 39, and the back side of the stopper 310 is fixedly connected with a connection block 311, The back of the connection block 311 runs through the filter housing 33 and extends to the outside. The back of the connection block 311 is provided with a fixing bolt 312 threadedly connected with the filter housing 33, and the grooves on the left and right sides of the filter housing 31 are fixedly connected with rolling bearings 313 , the inner wall of the rolling bearing 313 is movably connected with a threaded rod 314, the surface of the threaded rod 314 is threadedly connected with a movable plate 315, and the side of the movable plate 315 close to the filter shell 31 is fixedly connected with a block 316, and the left and right sides of the filter shell 33 Both are provided with a card slot 317 that is compatible with the card block 316, and the side of the card block 316 close to the card slot 317 runs through the poison case 31 and the card slot 317 in turn and extends to the inside of the card slot 317 and the inner wall of the card slot 317. Contact, the number of filter screens 39 is four and the four filter screens 39 are in a state of mutual contact, and the four filter screens 39 are respectively a poison filter layer, a smoke filter layer, an adsorption layer and a nanofiltration layer from front to back, and the poison filter layer passes through the filter screen. Shell 31, air outlet 32, filter shell 33, sealing plate 34, positioning block 35, positioning groove 36, air inlet 37, stopper 38, filter screen 39, limit block 310, connecting block 311, fixing bolt 312, rolling bearing 313, threaded rod 314, movable plate 315, clamping block 316 and draw-in groove 317 cooperate with each other, thereby conveniently dismantling and maintaining the filter screen 39 inside the poison filter shell 31, avoiding the phenomenon of clogging in the secondary use of the filter screen 39, and improving Improve the filtering effect of the filter screen 39, avoid affecting the secondary use of the self-rescue respirator, and improve the practicability.

During use, the user's head passes through the neck cover 21 and the head cover 1 can be used on the head. The gas enters through the air inlet 37, is filtered by the filter screen 39, and then is discharged through the air outlet 32 for the user to inhale. The filter type fire self-rescue respirator is an existing public technology, so I won’t elaborate too much here. When the filter screen 39 needs to be disassembled for maintenance later, first turn the threaded rod 314, and the threaded rod 314 drives the movable plate 315 to move away from the filter shell 31 , the movable plate 315 drives the block 316 and the slot 317 to separate, and then pulls the filter housing 33 forward, and the filter housing 33 drives the positioning block 35 to move forward through the sealing plate 34 and separates from the positioning groove 36, so that the filter housing 33 is separated from the filter Pull out the inside of the poison shell 31, then unscrew the fixing bolt 312, pull the connecting block 311, the connecting block 311 drives the limit block 310 to pull out from the filter shell 33, and then make the air inlet 37 of the filter shell 33 upward, Therefore, the filter screen 39 can be completely disassembled by falling from the filter housing 33 .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A high-efficiency filtering fire-fighting self-rescue respirator for smart firefighting, including a hood (1), a connecting mechanism (2) and a limit filter mechanism (3), characterized in that: the connecting mechanism (2) is set On the hood (1), the limit filter mechanism (3) is arranged on the hood (1); The connection mechanism (2) includes a neck cover (21), an eye window (22) and an exhaust valve (23), and the neck cover (21) is installed on the bottom of the hood (1) and connected to the hood (1) communicate with each other, the eye window (22) is arranged on the front of the hood (1), and the exhaust valve (23) is installed on the right side of the hood (1) and communicates with the hood (1); The limit filter mechanism (3) includes a poison filter shell (31), the poison filter shell (31) is installed on the front of the hood (1), and the back of the poison filter shell (31) is provided with a (1) Interconnected air outlets (32), the front of the filter shell (31) is provided with a filter shell (33), and the back of the filter shell (33) runs through the filter shell (31) and extends to it The inside is in contact with the inner wall of the filter shell (31), the surface of the filter shell (33) is equipped with a sealing plate (34), and the left and right sides of the back of the sealing plate (34) are equipped with positioning blocks (35) , the front of the filter housing (31) is provided with a positioning groove (36) at the position corresponding to the positioning block (35), the front of the filter housing (33) is provided with an air inlet (37), and the filter housing (33) Stoppers (38) are installed on the left and right sides of the inner wall, and the side of the two stoppers (38) away from the air inlet (37) is provided with a filter screen (39), and the filter screen (39) is far away from One side of the block (38) is provided with two limit blocks (310), the back of the limit block (310) is equipped with a connection block (311), and the back of the connection block (311) runs through the filter shell ( 33) and extend to the outside, the back of the connection block (311) is provided with a fixing bolt (312) threadedly connected with the filter shell (33), the grooves on the left and right sides of the filter shell (31) are A rolling bearing (313) is installed, a threaded rod (314) is movably connected to the inner wall of the rolling bearing (313), and a movable plate (315) is threadedly connected to the surface of the threaded rod (314), and the movable plate (315) A clamping block (316) is installed near the side of the filter housing (31), and the left and right sides of the filter housing (33) are provided with clamping slots (317) matching the clamping block (316). 2. A filter-type high-efficiency filter-type fire-fighting self-rescue respirator for intelligent fire-fighting according to claim 1, characterized in that: the bottom of the collar (21) is in an open state. 3. A filter-type high-efficiency filter-type fire-fighting self-rescue respirator for intelligent fire-fighting according to claim 2, characterized in that: the side of the sealing plate (34) close to the filter shell (31) is in contact with the filter shell ( 31) Touch each other. 4. A filter-type high-efficiency filter-type fire-fighting self-rescue respirator for intelligent fire-fighting according to claim 3, characterized in that: the side of the positioning block (35) close to the positioning groove (36) runs through the positioning groove (36) And extend to the inside and contact with the inner wall of the positioning groove (36). 5. A filter-type high-efficiency filter-type fire-fighting self-rescue respirator for intelligent fire-fighting according to claim 4, characterized in that: the side of the filter (39) close to the stopper (38) and the stopper (38) mutual contact, the surface of the filter screen (39) and the inner wall of the filter housing (33) are in contact with each other. 6. A filter-type high-efficiency filter-type fire-fighting self-rescue respirator for intelligent fire-fighting according to claim 5, characterized in that: the side of the limit block (310) close to the filter screen (39) is in contact with the filter screen (39) ) are in contact with each other. 7. A filter-type high-efficiency filter-type fire-fighting self-rescue respirator for intelligent fire-fighting according to claim 6, characterized in that: the side of the block (316) close to the card slot (317) runs through the poison shell in sequence ( 31) and the card slot (317), extending to the inside of the card slot (317) and in contact with the inner wall of the card slot (317).

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