CN203860500U - Dust mask for coal mine - Google Patents
Dust mask for coal mine Download PDFInfo
- Publication number
- CN203860500U CN203860500U CN201420116508.3U CN201420116508U CN203860500U CN 203860500 U CN203860500 U CN 203860500U CN 201420116508 U CN201420116508 U CN 201420116508U CN 203860500 U CN203860500 U CN 203860500U
- Authority
- CN
- China
- Prior art keywords
- sides
- filters
- air valve
- mask support
- support frame
- 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.)
- Expired - Fee Related
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a dust mask for a coal mine. The dust mask comprises a mask support (1). Clamping plates (3) are arranged on the two sides of the mask support (1). A dual-filter piece (4) is placed between the clamping plates (3). The two sides of the dual-filter piece (4) are inserted into the clamping plates (3). An air valve (5) is arranged on the dual-filter piece (4). The inner surface of the dual-filter piece (4) is provided with a protecting layer (6). The two sides of the mask support (1) are provided with hanging ropes (2).
Description
Technical field
The utility model relates to a kind of colliery anti-dust respirator.
Background technology
Current filtration members adopts single layer filter, and the filter effect of this mouth mask is poor, and dismounting is more difficult, and service life is shorter.
Summary of the invention
The utility model provides a kind of colliery anti-dust respirator, and it has not only strengthened the adsorption capacity of dust, and dustproof reliability and security are higher, and dust containing capacity is larger, longer service life.
The utility model has adopted following technical scheme: a kind of colliery anti-dust respirator; it comprises mask support frame; both sides at mask support frame are provided with clamping plate; between clamping plate, be placed with two filters; insert in clamping plate the both sides of two filters; on two filters, be provided with air valve, be provided with protective layer at the inner surface of two filters, be provided with lanyard in the both sides of mask support frame.
Described air valve is notch cuttype air valve.Described protective layer is medical silica-gel.Described lanyard is set to elastic cord.
The utlity model has following beneficial effect: adopted after above technical scheme, the utility model adopts two filters, can strengthen like this adsorption capacity of dust, and dustproof reliability and security are higher, and dust containing capacity is larger, longer service life.Air valve of the present utility model is notch cuttype air valve, longer service life like this, and respiratory resistance is lower, seals tighter.Protective layer of the present utility model is medical silica-gel, so more approaches human body hardness, Polymethyl Methacrylate.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
In Fig. 1; the utility model provides a kind of colliery anti-dust respirator, and it comprises mask support frame 1, is provided with clamping plate 3 in the both sides of mask support frame 1; between clamping plate 3, be placed with two filters 4; insert in clamping plate 3 both sides of two filters 4, on two filters 4, is provided with air valve 5, is provided with protective layer 6 at the inner surface of two filters 4; be provided with lanyard 2 in the both sides of mask support frame 1; described air valve 5 is notch cuttype air valve, and described protective layer 6 is medical silica-gel, and described lanyard 2 is set to elastic cord.
Claims (4)
1. a colliery anti-dust respirator; it is characterized in that it comprises mask support frame (1); be provided with clamping plate (3) in the both sides of mask support frame (1); between clamping plate (3), be placed with two filters (4); insert in clamping plate (3) both sides of two filters (4); on two filters (4), be provided with air valve (5), be provided with protective layer (6) at the inner surface of two filters (4), be provided with lanyard (2) in the both sides of mask support frame (1).
2. colliery according to claim 1 anti-dust respirator, is characterized in that described air valve (5) is notch cuttype air valve.
3. colliery according to claim 1 anti-dust respirator, is characterized in that described protective layer (6) is medical silica-gel.
4. colliery according to claim 1 anti-dust respirator, is characterized in that described lanyard (2) is set to elastic cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116508.3U CN203860500U (en) | 2014-03-16 | 2014-03-16 | Dust mask for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116508.3U CN203860500U (en) | 2014-03-16 | 2014-03-16 | Dust mask for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203860500U true CN203860500U (en) | 2014-10-08 |
Family
ID=51641495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420116508.3U Expired - Fee Related CN203860500U (en) | 2014-03-16 | 2014-03-16 | Dust mask for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203860500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932426A (en) * | 2014-03-16 | 2014-07-23 | 泰州市兴东煤矿机械制造有限公司 | Anti-dust mask used in coal mine |
-
2014
- 2014-03-16 CN CN201420116508.3U patent/CN203860500U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932426A (en) * | 2014-03-16 | 2014-07-23 | 泰州市兴东煤矿机械制造有限公司 | Anti-dust mask used in coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150316 |
|
| EXPY | Termination of patent right or utility model |