CN201453868U - Positive-pressure air respirator - Google Patents
Positive-pressure air respirator Download PDFInfo
- Publication number
- CN201453868U CN201453868U CN 200920075044 CN200920075044U CN201453868U CN 201453868 U CN201453868 U CN 201453868U CN 200920075044 CN200920075044 CN 200920075044 CN 200920075044 U CN200920075044 U CN 200920075044U CN 201453868 U CN201453868 U CN 201453868U
- Authority
- CN
- China
- Prior art keywords
- assembly
- pressure
- positive
- pipe
- type air
- 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 - Lifetime
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008092 positive effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 230000000505 pernicious effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a positive-pressure air respirator, comprising an air cylinder, a cylinder valve assembly, a backing plate assembly, a pressure reducer assembly, a main intermediate-pressure pipe assembly, a waist saved assembly which is arranged at the intermediate-pressure outlet part of the pressure reducer and is provided with a standby intermediate-pressure pipe assembly and a tri-way pipe, wherein the inlet of the tri-way pipe is connected with the outlet of the pressure reducer, and two outlets of the tri-way pipe are respectively connected with the main intermediate-pressure pipe assembly and the standby intermediate-pressure pipe assembly. Compared with the prior art, the utility model adopting the above technical scheme has the following advantages and positive effects: the increase of the waist saved assembly means the increase of a saving interface, thus improving saving range of the positive-pressure air respirator, and having simple structure and convenient operation.
Description
Technical field
The utility model relates to the correlative technology field of air respiratorresuscitator, and specifically he rescues assembly between a waist being provided with on the positive-pressure type air respiratorresuscitator, to rescue other people.
Background technology
Air respiratorresuscitator normally is used for fire, relevant factory, scene, mine, perhaps is used to lack oxygen and brings the place of jeopardizing to the user, is used to prevent that pernicious gas from flowing into the user, for example colliery etc.When surrounding environment was filled the air pernicious gas, the user can have a breath of fresh air by using air respiratorresuscitator, protection life.Therefore, the aerial respiration protector is to be used for defending anaerobic environment or effective utensil poisonous, that pernicious gas is invaded the human respiratory tract, and air respiratorresuscitator is used as indispensable labour protection instrument in relevant industry.
According to height, be divided into positive-pressure type air respiratorresuscitator and suction type air respiratorresuscitator for atmospheric pressure face shield internal pressure.The positive-pressure type air respiratorresuscitator is compared with the suction type air respiratorresuscitator, and its difference is that the pressure that positive-pressure type is kept in the face shield is higher than atmospheric pressure, flows in the face shield by the gap between face shield and the face so can prevent pernicious gas.The operation principle of positive-pressure type air respiratorresuscitator is: the compression cleaned air of storing in the gas cylinder enters full facepiece mask through the steam supply valve second depressurized again through the decompression of pressure reducer one-level, breathes use for the wearer.
Existing positive-pressure type air respiratorresuscitator structure, as shown in Figure 1, this positive-pressure type air respiratorresuscitator comprises pressure pipe assembly 6 among gas cylinder, cylinder valve assembly 1, back board module 2, pressure reducer assembly 3, the master, between the pressure reducer and steam supply valve of pressure reducer assembly 3, promptly have only interface of design between one-level decompression and second depressurized, a whole set of positive-pressure type air respiratorresuscitator can only use for a people like this, especially the rescue site that is jeopardizing, can't rescue other people again, and cause the tragedy of life.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of positive-pressure type air respiratorresuscitator, by improving the structure of positive-pressure type air respiratorresuscitator, improves the rescue scope of application of respirator protection life, uses and easy-to-operate.
Design of the present utility model is as follows: at the deficiency of prior art existence, the inventor adopts a kind of method of simple and practical improvement structure, increase in the middle pressure exit of the pressure reducer of positive-pressure type air respiratorresuscitator that he rescues threeway between a waist, connect a middle pressure pipe respectively in two outlets of this threeway, give to connect the steam supply valve use.Wherein main interface connects main steam supply valve, uses to the wearer, and secondary interface is a spare interface.Many usefulness of one like this, the scope of application is big.
For solving the problems of the technologies described above, a kind of positive-pressure type air respiratorresuscitator of the present utility model, comprise gas cylinder, cylinder valve assembly, back board module, pressure reducer assembly, main in the pressure pipe assembly, comprise that also he rescues assembly between a waist, between waist he rescue assembly comprise one standby in the pressure pipe assembly; A three-way pipe, the inlet of three-way pipe is connected with the outlet of pressure reducer assembly, and two outlets of three-way pipe connect pressure pipe assembly and standby middle pressure pipe assembly among the master respectively.
Preferably, described standby middle pressure pipe assembly is threaded with three-way pipe, seals by sealing ring.
Preferably, described standby middle pressure pipe assembly also comprises a snap joint, is used for being connected with standby steam supply valve.
The utility model makes it compared with prior art owing to adopted above technical scheme, has the following advantages and good effect: increased that he rescues assembly between waist, promptly increased a rescue interface, improved positive-pressure type air respiratorresuscitator rescue scope, simple in structure, easy to operate.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.
Below with reference to drawings and Examples the utility model is further described.
Fig. 1 is the structural representation of prior art positive-pressure type air respiratorresuscitator;
Fig. 2 is the structure embodiment schematic diagram of the utility model positive-pressure type air respiratorresuscitator;
Drawing reference numeral:
Among the figure: gas cylinder, cylinder valve assembly 1; Back board module 2; Pressure reducer assembly 3; He rescues assembly 4 between waist; Pressure pipe assembly 5 in standby; Pressure pipe assembly 6 among the master.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, be the structure embodiment schematic diagram of positive-pressure type air respiratorresuscitator.This positive-pressure type air respiratorresuscitator, comprise gas cylinder, cylinder valve assembly 1, back board module 2, pressure reducer assembly 3, pressure pipe assembly 6 among the master, comprise that also he rescues assembly 4 between a waist, be loaded on the middle pressure exit of the pressure reducer of pressure reducer assembly 3, between waist he rescue assembly 4 comprise one standby in pressure pipe assembly 5, a three-way pipe, the inlet of three-way pipe is connected with the middle extrusion mouth of pressure reducer, pressure pipe assembly 5 comprises a standby middle pressure pipe in standby, the one end is threaded with one of them outlet of three-way pipe, seal by the O RunddichtringO, the other end of pressure pipe is provided with a snap joint in standby, is used for linking to each other with a standby steam supply valve.Another outlet of three-way pipe links to each other with the pipe port of pressure pipe assembly 6 among the master with sealing ring by nut.
When running into jeopardizing under the situation that anoxic or toxic and harmful invade, the user of positive-pressure type air respiratorresuscitator is according at that time urgent need, can implement to rescue other people life at once, the main steam supply valve that pressure pipe assembly 6 connects in the master of positive-pressure type air respiratorresuscitator used for the wearer, other people used the standby steam supply valve that standby middle pressure pipe assembly 5 connects for rescue rapidly.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (3)
1. a positive-pressure type air respiratorresuscitator comprises pressure pipe assembly among gas cylinder, cylinder valve assembly, back board module, pressure reducer assembly, the master, it is characterized in that also comprising that he rescues assembly between a waist, comprising:
One standby middle pressure pipe assembly;
A three-way pipe, the inlet of three-way pipe is connected with the outlet of pressure reducer assembly, and two outlets of three-way pipe connect pressure pipe assembly and standby middle pressure pipe assembly among the master respectively.
2. positive-pressure type air respiratorresuscitator as claimed in claim 1 is characterized in that: described standby middle pressure pipe assembly is threaded with three-way pipe, seals by sealing ring.
3. positive-pressure type air respiratorresuscitator as claimed in claim 1 or 2 is characterized in that: described standby middle pressure pipe assembly also comprises a snap joint, is used for being connected with standby steam supply valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920075044 CN201453868U (en) | 2009-07-22 | 2009-07-22 | Positive-pressure air respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920075044 CN201453868U (en) | 2009-07-22 | 2009-07-22 | Positive-pressure air respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201453868U true CN201453868U (en) | 2010-05-12 |
Family
ID=42381210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920075044 Expired - Lifetime CN201453868U (en) | 2009-07-22 | 2009-07-22 | Positive-pressure air respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201453868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758037A (en) * | 2018-08-14 | 2018-11-06 | 江苏华燕船舶装备有限公司 | A kind of breathing combination valve |
-
2009
- 2009-07-22 CN CN 200920075044 patent/CN201453868U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758037A (en) * | 2018-08-14 | 2018-11-06 | 江苏华燕船舶装备有限公司 | A kind of breathing combination valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |