CN208065597U - A kind of self-absorbing filtering type gas defence half face shield - Google Patents
A kind of self-absorbing filtering type gas defence half face shield Download PDFInfo
- Publication number
- CN208065597U CN208065597U CN201721428008.3U CN201721428008U CN208065597U CN 208065597 U CN208065597 U CN 208065597U CN 201721428008 U CN201721428008 U CN 201721428008U CN 208065597 U CN208065597 U CN 208065597U
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- China
- Prior art keywords
- shell
- external
- mounting hole
- external shell
- gas defence
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- Expired - Fee Related
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a kind of self-absorbing filtering type gas defence half face shields, including mask, both sides on the outside of mask are both provided with retainer plate, retainer plate bottom is provided with metal otter board, two filter devices are separately fixed in two retainer plates, it is provided with outlet valve on mask between two filter devices, filter device includes the bottom shell being fixed in retainer plate and the external shell that is fixed on bottom shell, filtering medicine box is provided on bottom shell, the both sides for refiltering medicine box are both provided with filter screen, the centre position of external shell external port is provided with mounting hole, mounting hole is connected to by several link blocks on external shell inner wall, it is provided with activated carbon filter layer between external inner walls and mounting hole, the square for sealing external shell is provided in external shell external port, plastic fastener is provided among square.The utility model simple structure and reasonable design, easy to disassemble, gas defence effect is good, and service life is longer.
Description
Technical field
The utility model is related to protective equipment, specifically a kind of self-absorbing filtering type gas defence half face shield.
Background technology
Fire-fighting work, chemical experiment worker etc. can often apply to gas mask during the work time, and gas mask uses
There is restriction in time, and usage time, which has grown gas defence effect, to be reduced, especially the work to Long Term Contact toxic chemical articles for use
Make often to replace gas mask for personnel, current gas mask is not easy to remove, and the mask that can partly dismantle is torn open every time
Installation is unloaded to need to take a long time.
Invention content
In order to approach above problem the utility model provide it is a kind of it is easy to disassemble, can ensure constantly gas defence effect from
Inhale filtering type gas defense semi-respirator.
The utility model is achieved through the following technical solutions in order to achieve the above object：
The utility model is a kind of self-absorbing filtering type gas defence half face shield, including mask, and the both sides on the outside of mask are respectively provided with
There is retainer plate, retainer plate bottom is provided with metal otter board, two filter devices are separately fixed in two retainer plates, at two
Outlet valve is provided on mask between filter device, filter device includes the bottom shell being fixed in retainer plate and is fixed on
External shell on bottom shell is provided with filtering medicine box on bottom shell, and the both sides for refiltering medicine box are both provided with filtering
Net is provided with mounting hole in the centre position of external shell external port, and mounting hole is connected to external shell by several link blocks
On inner wall, it is provided with activated carbon filter layer between external inner walls and mounting hole, is provided in external shell external port
The square of external shell is sealed, plastic fastener is provided among square.
Further improvement of the utility model is：The interface of external shell and bottom shell is provided with rubber ring.
Further improvement of the utility model is：Web plate includes outer bound edge and interior bound edge, outer bound edge and interior bound edge it
Between be provided with metal mesh, interior bound edge is sleeved on mounting hole, and plastic fastener includes the pressing plate being pressed on interior bound edge, is set in pressing plate lower end
It is equipped with the fixed column being fixed in mounting hole.
Further improvement of the utility model is：Fixed column is threadedly secured in mounting hole.
The utility model has the beneficial effects that：The filament shape impurity that square can be effectively prevent in air enters filter device
Interior, filtering medicine box is fixed on bottom shell, seals bottom shell by external shell, external shell passes through spiral shell with bottom shell
Line is fixed, and replaces filtering medicine box convenient for opening, periodic replacement filtering medicine box can ensure gas defence effect.
The utility model simple structure and reasonable design, easy to disassemble, gas defence effect is good, and service life is longer.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is filter device schematic diagram.
Wherein：1- masks, 2- retainer plates, 3- outlet valves, 4- bottom shells, 5- external shells, 6- filter medicine box, 7- connections
Block, 8- squares, 9- plastic fasteners.
Specific implementation mode
In order to reinforce the understanding to the utility model, the utility model is made below in conjunction with drawings and examples further
Detailed description, the embodiment be only used for explain the utility model, to the scope of protection of the utility model constitute limit.
As shown in Figs. 1-2, the utility model is a kind of self-absorbing filtering type gas defence half face shield, including mask 1, outside mask 1
The both sides of side are both provided with retainer plate 2,2 bottom of retainer plate are provided with metal otter board, two filter devices are separately fixed at two
In a retainer plate 2, outlet valve 3 is provided on the mask 1 between two filter devices, filter device includes being fixed on retainer plate
Bottom shell 4 in 2 and the external shell 5 being fixed on bottom shell 4, are provided with filtering medicine box 6 on bottom shell 4, then
The both sides of filtering medicine box 6 are both provided with filter screen, and the centre position of 5 external port of external shell is provided with mounting hole, mounting hole
It is connected on 5 inner wall of external shell by several link blocks 7, activated carbon is provided between 5 inner wall of external shell and mounting hole
Filter layer is provided with the square 8 for sealing external shell 5 in 5 external port of external shell, plastic fastener is provided among square 8
9, the interface of external shell 5 and bottom shell 4 is provided with rubber ring, web plate includes outer bound edge and interior bound edge, in outer bound edge
Metal mesh is provided between interior bound edge, interior bound edge is sleeved on mounting hole, and plastic fastener 9 includes the pressing plate being pressed on interior bound edge,
The fixed column being fixed in mounting hole is provided in pressing plate lower end, fixed column is threadedly secured in mounting hole.
The utility model simple structure and reasonable design, easy to disassemble, gas defence effect is good, and service life is longer.
Claims (4)
1. a kind of self-absorbing filtering type gas defence half face shield, including mask（1）, it is characterised in that：In the mask（1）The both sides in outside
It is both provided with retainer plate（2）, in the retainer plate（2）Bottom is provided with metal otter board, and two filter devices are separately fixed at two
A retainer plate（2）It is interior, the mask between two filter devices（1）On be provided with outlet valve（3）, the mistake
Filter device includes being fixed on the retainer plate（2）Interior bottom shell（4）Be fixed on the bottom shell（4）On external shell
Body（5）, in the bottom shell（4）On be provided with filtering medicine box（6）, then the filtering medicine box（6）Both sides be both provided with
Strainer, in the external shell（5）The centre position of external port is provided with mounting hole, and the mounting hole passes through several link blocks
（7）It is connected to the external shell（5）On inner wall, in the external shell（5）It is provided with work between inner wall and the mounting hole
Property charcoal filter layer, in the external shell（5）It is provided in external port and seals the external shell（5）Square（8）, the net
Lid（8）Centre is provided with plastic fastener（9）.
2. a kind of self-absorbing filtering type gas defence half face shield according to claim 1（1）, it is characterised in that：In the external shell
（5）With the bottom shell（4）Interface be provided with rubber ring.
3. a kind of self-absorbing filtering type gas defence half face shield according to claim 1（1）, it is characterised in that：The web plate includes outer
Bound edge and interior bound edge, are provided with metal mesh between the outer bound edge and the interior bound edge, and the interior bound edge is sleeved on the fixation
Kong Shang, the plastic fastener（9）Including the pressing plate being pressed on the interior bound edge, the pressing plate lower end be provided be fixed on it is described
Fixed column in mounting hole.
4. a kind of self-absorbing filtering type gas defence half face shield according to claim 3（1）, it is characterised in that：The fixed column passes through
It is threadedly secured in the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428008.3U CN208065597U (en) | 2017-10-31 | 2017-10-31 | A kind of self-absorbing filtering type gas defence half face shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428008.3U CN208065597U (en) | 2017-10-31 | 2017-10-31 | A kind of self-absorbing filtering type gas defence half face shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208065597U true CN208065597U (en) | 2018-11-09 |
Family
ID=64031758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721428008.3U Expired - Fee Related CN208065597U (en) | 2017-10-31 | 2017-10-31 | A kind of self-absorbing filtering type gas defence half face shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208065597U (en) |
-
2017
- 2017-10-31 CN CN201721428008.3U patent/CN208065597U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20211031 |