CN207722254U - A kind of waterproof and breathable compressed oxygen self-lifesaving device shell - Google Patents
A kind of waterproof and breathable compressed oxygen self-lifesaving device shell Download PDFInfo
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- CN207722254U CN207722254U CN201721793344.8U CN201721793344U CN207722254U CN 207722254 U CN207722254 U CN 207722254U CN 201721793344 U CN201721793344 U CN 201721793344U CN 207722254 U CN207722254 U CN 207722254U
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- waterproof
- upper casing
- compressed oxygen
- lifesaving device
- oxygen self
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Abstract
The utility model discloses a kind of waterproof and breathable compressed oxygen self-lifesaving device shell, including upper casing and lower casing, the upper casing and lower casing are the shell of cuboid trench structure, and the opening of upper casing and the opening of lower casing are fitted close the cavity that installation forms sealing；The perforation gas circuit of connection outside atmosphere and inside cavity is offered in the upper wall of upper casing；Perforation gas circuit forms external venthole in the upper wall outer surface of upper casing, and perforation gas circuit forms internal venthole in the upper wall inner surface of upper casing；It is closely fitted with waterproof ventilated membrane on the internal venthole；The upper wall of the upper casing is additionally provided with transparency display window.The utility model solves the problems, such as that domestic compressed oxygen self-lifesaving device at present cannot carry the short time and paddles, while solving isolating compressed oxygen self-lifesaving device safety problem caused by oxygen leakage, ensure that the validity of isolating compressed oxygen self-lifesaving device, while not being contaminated.
Description
Technical field
The utility model belongs to Mine Safety Appliances technical field, and in particular to outside a kind of waterproof and breathable compressed oxygen self-lifesaving device
Shell.
Background technology
Due to the limitation of domestic basic industries level, the gas cylinder inside many compressed oxygen self-lifesaving devices is not all accomplished absolute close
Envelope, it may appear that slow permeation phenomenon, therefore the domestic equal blow-by of compressed oxygen self-lifesaving device shell generally used at present, to avoid every
Exhausted formula compressed oxygen self-lifesaving device shell, which is fully sealed, to be caused gas cylinder leakage oxygen inside compressed oxygen self-lifesaving device and largely gathers in the shell
Collection further avoids oxygen and causes isolating compressed oxygen self-lifesaving device incidents of spontaneous combustion in confined space aggregation for a long time；Domestic pressure
The endless hermetically sealed oxygen with release leakage of contracting oxygen life saving device shell, ensures safety；But while the problem of bringing be compression
Oxygen life saving device shell can intake, and loss of drug potency and mouth is caused to have the problem of being contaminated.
Invention content
For the defects in the prior art and insufficient, the utility model provides outside a kind of waterproof and breathable compressed oxygen self-lifesaving device
Shell overcomes the defect of existing compressed oxygen self-lifesaving device shell meeting leak in the case of blow-by.
In order to solve the above technical problems, the utility model takes the following technical solution：
A kind of waterproof and breathable compressed oxygen self-lifesaving device shell, including upper casing and lower casing, the upper casing and lower casing are cuboid
The shell of trench structure, the opening of upper casing and the opening of lower casing are fitted close the cavity that installation forms sealing；In the upper wall of upper casing
Offer the perforation gas circuit of connection outside atmosphere and inside cavity；Perforation gas circuit forms external outlet in the upper wall outer surface of upper casing
Hole, perforation gas circuit form internal venthole in the upper wall inner surface of upper casing；It is closely fitted with waterproof on the internal venthole
Ventilated membrane；The upper wall of the upper casing is additionally provided with transparency display window.
The utility model also has following distinguishing feature：
Optionally, sealing ring is equipped between the opening of the upper casing and the opening of lower casing.
Optionally, perforation gas circuit Z-shaped distribution in the upper wall of upper casing.
Optionally, the aperture of the external venthole is 1mm~2mm.
Optionally, the aperture of the external venthole is 1.5mm.
Optionally, the aperture of the internal venthole is 1mm~2mm.
Optionally, the aperture of the internal venthole is 1.5mm.
Optionally, the waterproofing grade of the waterproof ventilated membrane is IP67.
Optionally, a diameter of 20mm of the waterproof ventilated membrane, thickness 0.25mm.
Optionally, the waterproof ventilated membrane is bonded with the upper wall inner surface of upper casing by gluing.
Compared with prior art, beneficial has the technical effect that the utility model：
The waterproof and breathable compressed oxygen self-lifesaving device shell of the utility model solves domestic current compressed oxygen self-lifesaving device cannot be short
Time carries the problem of paddling, while solving isolating compressed oxygen self-lifesaving device safety problem caused by oxygen leakage, ensures
The validity of isolating compressed oxygen self-lifesaving device, while not being contaminated.
The perforation gas circuit connection outside atmosphere and inside cavity of the utility model, effectively by the gas cylinder of inside cavity leakage
Cavity is discharged in oxygen, security risk caused by avoiding oxygen from largely assembling in the cavity；Perforation gas circuit is existed in the utility model
The inside venthole that the upper wall inner surface of upper casing is formed is bonded with waterproof ventilated membrane, can be played in the short time paddles work
Waterproof action, while the normal discharge of internal gas is not influenced.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the sectional view of the utility model.
Each label is expressed as in figure:1- upper casings, 2- lower casings, 3- cavitys, 4- perforation gas circuits, 5- waterproof ventilated membranes, 6- are transparent
Display window, 7- sealing rings；
Venthole outside 41-, the inside 42- venthole.
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with Figure of description.It should be understood that
It is that specific embodiment described herein is merely to illustrate and explains the utility model is not intended to limit the utility model.
As shown in Figure 1 to Figure 2, the utility model provides a kind of waterproof and breathable compressed oxygen self-lifesaving device shell, including 1 He of upper casing
Lower casing 2, upper casing 1 and lower casing 2 are the shell of cuboid trench structure, and the opening of upper casing 1 is fitted close with the opening of lower casing 2 pacifies
Dress forms the cavity 3 of sealing；The perforation gas circuit 4 inside connection outside atmosphere and cavity 3 is offered in the upper wall of upper casing 1；Perforation
Gas circuit 4 forms external venthole 41 in the upper wall outer surface of upper casing 1, and perforation gas circuit 4 forms inside in the upper wall inner surface of upper casing 1
Venthole 42；Waterproof ventilated membrane 5 is closely fitted on internal venthole 42；The upper wall of upper casing 1 is additionally provided with transparency display window 6.
Through the above technical solutions, perforation gas circuit 4 is connected to inside outside atmosphere and cavity 3, effectively by the gas cylinder leakage inside cavity 3
Cavity 3 is discharged in oxygen, security risk caused by avoiding oxygen from largely assembling in cavity 3；Gas circuit 4 will be penetrated through in the utility model
It is bonded, can be paddled work in the short time with waterproof ventilated membrane 5 in the inside venthole 42 that the upper wall inner surface of upper casing 1 is formed
In play waterproof action, while not influencing the normal discharge of internal gas, ensure that the validity of isolating compressed oxygen self-lifesaving device,
It is not contaminated simultaneously.
In specific implementation mode provided by the utility model, sealing is equipped between the opening and the opening of lower casing 2 of upper casing 1
Circle 7, sealing ring 7 can play sealing left and right, and tight seal between the opening of upper casing 1 and the opening of lower casing 2 is made to assemble.
In a kind of real-time mode, the Z-shaped distribution in the upper wall of upper casing 1 of gas circuit 4 is penetrated through, the configuration of perforation gas circuit 4 is set
Meter can effectively extend the working time of paddling, avoid the waterproof being bonded on 3 inside venthole 42 of cavity compared with common straight tube road
Ventilated membrane 5 contacts a large amount of water for a long time.In other embodiments, laying situation of the gas circuit 4 in the upper wall of upper casing 1 is penetrated through also
It can be laid by other common non-straight form of tubes, be attained by and effectively extend paddling the working time for self-rescuer, avoid chamber
The waterproof ventilated membrane 5 being bonded on 3 inside venthole 42 of body contacts a large amount of water for a long time.
In Fig. 1 and specific implementation mode shown in Fig. 2, the aperture of external venthole 41 is 1mm~2mm, external outlet
The pore diameter range in hole 41 can effectively prevent a large amount of external waters and enter in perforation gas circuit 4, it is ensured that whole device can be in the predetermined time
It is interior to complete work of paddling.
Specifically, the aperture of external venthole (41) is 1.5mm.
Meanwhile the aperture of internal venthole 42 is 1mm~2mm；The pore diameter range of internal venthole 42 on the one hand can be effective
It prevents a large amount of external waters from coming into contact in a large area waterproof ventilated membrane 5, on the other hand can ensure that 3 internal gas of cavity is discharged in time, ensure
The validity of isolating compressed oxygen self-lifesaving device and safety also ensure that whole device completes work of paddling in the given time.
Specifically, the aperture of internal venthole 42 is 1.5mm.
In one embodiment, the waterproofing grade of waterproof ventilated membrane 5 is IP67, and the specification of waterproof ventilated membrane 5 can meet
Prevent external water by and can guarantee internal gas be discharged.
In specific implementation mode provided by the utility model, a diameter of 20mm of waterproof ventilated membrane 5, thickness is
0.25mm, the upper wall inner surface of the closer fitting upper casing 1 of 5 energy of waterproof ventilated membrane of the size, preventing will in the external water short time
It impregnates or washes open.
Specifically, waterproof ventilated membrane 5 is bonded with the upper wall inner surface of upper casing 1 by gluing, enable waterproof ventilated membrane 5
Fit closely the upper wall inner surface of upper casing 1.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of waterproof and breathable compressed oxygen self-lifesaving device shell, including upper casing (1) and lower casing (2), which is characterized in that the upper casing
(1) and lower casing (2) be cuboid trench structure shell, the opening of the opening of upper casing (1) and lower casing (2), which is fitted close, to be installed
Form the cavity (3) of sealing；The perforation gas circuit of connection outside atmosphere and cavity (3) inside is offered in the upper wall of upper casing (1)
(4)；Perforation gas circuit (4) forms external venthole (41) in the upper wall outer surface of upper casing (1), and perforation gas circuit (4) is in upper casing (1)
Upper wall inner surface forms internal venthole (42)；It is closely fitted with waterproof ventilated membrane (5) on the internal venthole (42)；Institute
The upper wall for stating upper casing (1) is additionally provided with transparency display window (6).
2. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the opening of the upper casing (1)
Sealing ring (7) is equipped between the opening of lower casing (2).
3. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the perforation gas circuit (4) exists
Z-shaped distribution in the upper wall of upper casing (1).
4. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the external venthole (41)
Aperture be 1mm~2mm.
5. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the external venthole (41)
Aperture be 1.5mm.
6. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the internal venthole (42)
Aperture be 1mm~2mm.
7. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the internal venthole (42)
Aperture be 1.5mm.
8. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the waterproof ventilated membrane (5)
Waterproofing grade be IP67.
9. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the waterproof ventilated membrane (5)
A diameter of 20mm, thickness 0.25mm.
10. waterproof and breathable compressed oxygen self-lifesaving device shell as described in claim 1, which is characterized in that the waterproof ventilated membrane (5)
It is bonded by gluing with the upper wall inner surface of upper casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793344.8U CN207722254U (en) | 2017-12-20 | 2017-12-20 | A kind of waterproof and breathable compressed oxygen self-lifesaving device shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793344.8U CN207722254U (en) | 2017-12-20 | 2017-12-20 | A kind of waterproof and breathable compressed oxygen self-lifesaving device shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207722254U true CN207722254U (en) | 2018-08-14 |
Family
ID=63085410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721793344.8U Active CN207722254U (en) | 2017-12-20 | 2017-12-20 | A kind of waterproof and breathable compressed oxygen self-lifesaving device shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207722254U (en) |
-
2017
- 2017-12-20 CN CN201721793344.8U patent/CN207722254U/en active Active
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