CN105935473A - Auxiliary air supply gas mask connector - Google Patents

Abstract

The invention discloses an auxiliary air supply gas mask connector, which uses a fan to draw air in for filtering and purification, thereby reducing the resistance of the gas filter box, eliminating the need for people to breathe hard, and thus avoiding physical discomfort caused by breathing difficulties, and achieving a better gas protection effect. Therefore, the structure of the invention is more reasonable; in addition, since the gas filter box connecting part and the mask connecting part of the main body can be assembled and used together with the gas filter boxes and masks currently sold on the market, the ready-made products are fully utilized, and the energy waste caused by technical changes is avoided, thereby reducing the production and use costs of the auxiliary air supply gas mask.

Description

Auxiliary air supply gas mask connector

technical field

The invention relates to a linker for an auxiliary air supply gas mask.

Background technique

At present, the filtering gas masks for civil and industrial use on the market rely on people's own breathing to inhale the air through the filter box to purify it and then enter the human body. Because the resistance of this filtering gas mask is too large, it takes It takes a lot of effort to inhale, which makes people's breathing difficult and easily causes physical discomfort. Secondly, when people breathe, a negative pressure is generated in the cavity of the gas mask, and the toxic gas outside will come from the place where the edge of the mask fits the face. Into the mouth mask, so that the anti-virus effect is not good, for this reason the applicant has improved the filter type gas mask in the current market. Filtering gas masks mainly include a filter box, a soft rubber mask and a connector (formerly a mask holder) connecting them. Among them, the gas filter box and the soft rubber mask of the gas mask are produced, and they are easy to use on the market. can be bought, so the applicant has improved the mask seat (now the connector) part, and can be used with the current market drug filter box and soft rubber mask, so that the production cost can be reduced, and the More people can afford it.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a connector with a more reasonable structure, better anti-virus effect, which can avoid energy waste caused by technical changes, thereby reducing the production and use costs of auxiliary air-supply gas masks .

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A connector for an auxiliary air-supply gas mask, comprising an outer ring and a connector body integrally formed in the outer ring to separate the outer ring into a connection part of a gas filter box and a connection part of a mask; The inner wall of the connection part of the filter box is provided with a thread that is threadedly connected with the filter box, and a channel is provided on the partition; a fan and a one-way valve covered on the channel opening are arranged in the channel; The channel is provided with a sleeve inlet which is sleeved with the mask at the end of the connecting part of the mask; the one-way valve can open the channel when the fan is working; the fan is driven by the power supply device to work.

In the improved solution to the above-mentioned auxiliary air-supply gas mask connector, the fan is arranged in the passage at the end of the connection part of the gas cartridge; the one-way valve is arranged on the surface of the passage at the end of the connection part of the mask superior.

In an improved solution to the aforementioned auxiliary air supply gas mask connector, the power supply device is built into the connector, which includes a power supply battery and a fan switch.

In the improved solution to the connector of the above-mentioned auxiliary air supply gas mask, the power supply device is placed outside the connector, and the fan in the mask is powered by wire connection; the power supply device includes a power supply battery and a fan switch.

Compared with the prior art, the present invention has the beneficial effect: because it uses a fan to suck in the air to filter and purify it, thus reducing the resistance of the anti-virus filter box, so that it is not necessary to rely on people to inhale hard, and there will be no difficulty in breathing cause physical discomfort, and achieve better anti-virus protection effect, so the structure of the present invention is more reasonable; in addition, because the poison box connecting portion and the mask connecting portion of the body can be matched with the poisonous filtering boxes and masks currently on the market Assembled together for use, ready-made products are fully utilized in this way, energy waste caused by technical changes is avoided, thereby reducing the production and use costs of the auxiliary air-supply gas mask.

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

【Description of drawings】

Figure 1 is a three-dimensional schematic diagram of an embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram II of the present invention;

Fig. 3 is an assembly schematic diagram 1 of the present invention;

Fig. 4 is the assembly diagram II of the present invention;

Fig. 5 is a circuit schematic diagram when the power supply device of the present invention is installed externally.

【detailed description】

An auxiliary air-supply gas mask connector, as shown in Figures 1 to 4, includes an outer ring 1 integrally formed in the outer ring 1 to separate the outer ring 1 into a gas filter box connecting portion 11 and a mask connecting portion The connector body composed of the partition 2 of 12; the inner wall of the connection part 11 of the canister is provided with the screw thread 111 which is threadedly connected with the canister, and the passage 3 is provided on the partition 2; The channel 3 is provided with a fan 4 and a one-way valve 5 covered on the channel 3 mouth; the channel 3 is provided with a sleeve inlet 31 which is sleeved with the mask at the end of the mask connecting part 12, so that in the channel The gas can enter the mask for the user to inhale; the one-way valve 5 can open the channel 3 when the fan 4 is working; the fan 4 is driven by the power supply device 6 to work. In this embodiment, the power supply device 6 is built into the connector.

In the embodiment of the present invention, when assembling, a fan 4 is installed in the channel 3, and a check valve 5 is installed on the surface of the other end of the channel 3, and then a power supply device 6 is installed in the body, and the wires of the fan 4 and the power supply device 6 are connected. Like this, then, just can be used on the auxiliary air-supply gas mask, at this moment: the poison box is screwed in this poison box connection part 11 by threaded connection, then the bayonet socket of face shield is enclosed within the sleeve of channel outside the inlet 31, thus completing the assembly of the gas mask. Next, when in use, put on a mask, operate the power supply device 6 to energize the fan 4, so that when the fan draws in the wind, it will first be filtered and purified by the filter box and then enter in the connection part 11 of the filter box, and the purified gas will pass through again. After the passage comes in, the one-way valve is blown open, so that it can enter the mask for the user to inhale, and the user breathes out the lung air through the one-way valve of the mask.

In this embodiment, as shown in Figures 3 to 4, the power supply device 6 is built into the connector, which includes a power supply battery 61 and a fan switch 62. The power supply battery can be a rechargeable battery or a dry battery, etc. When a rechargeable battery is used, it can be Use USB or DC and other interfaces to charge.

Of course, the power supply device 6 can also be placed outside the connector, as shown in Figure 5, it includes a power supply battery 61 and a fan switch 62, at this time it is equivalent to the battery and the switch being placed outside, and then connected by wires to provide power to the face shield. Fan power supply, on the one hand can reduce the weight of gas mask, on the other hand it is safer to use; power supply battery can be rechargeable battery or dry battery etc., when adopting rechargeable battery, can adopt interfaces such as USB or DC to charge. The wire connection between the switch and the fan is usually a plug-in connection for easy storage and safe use, such as a DC interface or a USB interface.

It can be seen from the above that the present invention uses a fan to draw in the air for purification, so that the resistance of the anti-virus filter box is reduced, and it is not necessary to rely on people to inhale vigorously, and there will be no physical discomfort caused by unsmooth breathing. The structure of the invention is more reasonable; in addition, because the poison box connection part 11 and the mask connection part 12 of the main body can be used together with the poison cartridges and masks currently on the market, this makes full use of ready-made products and avoids technical problems. The energy waste caused by the change reduces the production and use cost of the auxiliary air supply gas mask.

In this embodiment, the fan 4 is arranged in the channel 3 at the end of the connection part 11 of the cartridge, that is, towards the side of the cartridge. The one-way valve 5 is located on the surface of the channel 3 at the end of the mask connecting portion 12 .

In this embodiment, the one-way valve 5 is installed on the end surface of the channel 3 through the grid-shaped valve seat 7 .

Preferably, the connecting part 12 of the mask is provided with hanging ears 121 for fastening a mask string.

In summary, the above are only preferred embodiments of the present invention, and are not intended to limit the implementation scope of the present invention. That is, all equivalent changes and modifications made according to the content of the patent scope of the present invention shall belong to the technical scope of the present invention.

Claims (4)

1. An auxiliary air supply gas mask connector, characterized in that it includes an outer ring (1), which is integrally formed in the outer ring (1) to separate the outer ring (1) into a gas filter box connection part ( 11) and the connector body composed of the compartment (2) of the mask connecting part (12); on the inner wall of the drug cartridge connecting part (11), there is a thread (111) that is threadedly connected with the drug cartridge. A channel (3) is provided on the compartment (2); a fan (4) and a one-way valve (5) covering the mouth of the channel (3) are provided in the channel (3); the channel ( 3) At the end of the mask connection part (12), there is a sleeve inlet (31) that is sleeved with the mask; the one-way valve (5) can open the passage when the fan (4) is working ( 3); the fan (4) is driven by the power supply device (6). 2. The auxiliary air-supply gas mask connector according to claim 1, characterized in that, the fan (4) is arranged in the passage (3) at the end of the connection part (11) of the gas filter box; A one-way valve (5) is arranged on the surface of the channel (3) at the end of the mask connecting portion (12). 3. The auxiliary air supply gas mask connector according to claim 1 or 2, characterized in that, the power supply device (6) is built into the connector, which includes a power supply battery (61) and a fan switch (62) . 4. The auxiliary air-supply gas mask connector according to claim 1 or 2, characterized in that, the power supply device (6) is externally placed outside the connector, and is connected with wires to supply power to the fan inside the mask; The aforementioned power supply device (6) includes a power supply battery (61) and a fan switch (62).