CN218907613U - Manual release tool of emergent oxygen module with safety cover - Google Patents
Manual release tool of emergent oxygen module with safety cover Download PDFInfo
- Publication number
- CN218907613U CN218907613U CN202222771505.0U CN202222771505U CN218907613U CN 218907613 U CN218907613 U CN 218907613U CN 202222771505 U CN202222771505 U CN 202222771505U CN 218907613 U CN218907613 U CN 218907613U
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- protective cover
- ejector rod
- diameter
- oxygen module
- stage step
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Abstract
The utility model relates to an emergency oxygen module manual release tool with a protective cover. An emergency oxygen module manual release tool with a protective cover comprises a push rod (2) and the protective cover (3); one end of the ejector rod (2) is provided with a cylindrical thin rod with a smaller relative diameter, and the other end of the ejector rod is provided with a handle with a larger relative diameter; the protective cover (3) is a hollow cylindrical sleeve with an opening at one end and is sleeved at one end of the ejector rod (2) with a cylindrical thin rod; the middle section of the ejector rod (2) is provided with two-stage step excircles which are respectively marked as a first-stage step excircle and a second-stage step excircle, wherein the diameter of the first-stage step excircle is the same as the inner diameter of the protective cover (3), and the first-stage step excircle is provided with external threads which are in threaded fit connection with the protective cover (3); the diameter of the outer circle of the second-stage step is larger than the outer diameter of the protective cover (3). The emergency oxygen module can be opened manually and conveniently when the emergency oxygen module cannot be opened automatically when being electrified.
Description
Technical Field
The utility model relates to the technical field of aviation protection and lifesaving, and particularly discloses an emergency oxygen module manual release tool with a protective cover.
Background
Passenger oxygen systems are an important system on civil airliners, which are concerned with the life safety of the passengers. The emergency oxygen module is an important component of the passenger oxygen system and is mainly used for providing emergency oxygen for passengers when the aircraft releases pressure so as to ensure the life safety of the passengers.
In the prior art, the problem that the emergency oxygen module cannot be automatically opened when electrified exists, and a tool which can be matched with the emergency oxygen module for use and is manually opened is lacking.
Disclosure of Invention
The purpose of the utility model is that: the emergency oxygen module manual release tool with the protective cover can be conveniently and rapidly opened manually when the emergency oxygen module is electrified and cannot be opened automatically.
The technical scheme of the utility model is as follows: an emergency oxygen module manual release tool with a protective cover is provided, which comprises a push rod 2 and the protective cover 3;
one end of the ejector rod 2 is provided with a cylindrical thin rod with a smaller relative diameter, and the other end of the ejector rod is provided with a handle with a larger relative diameter; the protective cover 3 is a hollow cylindrical sleeve with an opening at one end and is sleeved at one end of the ejector rod 2 with a cylindrical thin rod; the middle section of the ejector rod 2 is provided with two-stage step excircles which are respectively marked as a first-stage step excircle and a second-stage step excircle, wherein the diameter of the first-stage step excircle is the same as the inner diameter of the protective cover 3, and the first-stage step excircle is provided with external threads which are in threaded fit connection with the protective cover 3; the diameter of the outer circle of the second-stage step is larger than the outer diameter of the protective cover 3.
In one possible embodiment, further comprises a bushing 1, a cap 4, a mooring line 5; the top cover 4 is arranged at the top end of the protective cover 3, and a through hole is formed in the top cover 4; a through hole is formed in the handle of the ejector rod 2; the two ends of the mooring rope 5 respectively pass through the through holes on the top cover 4 and the through holes on the handle of the ejector rod 2, and then are pressed and fixed through the bushing 1.
In one possible embodiment, the outer periphery of the connecting end of the protective cover 3 and the ejector rod 2 is provided with a regular hexagon boss.
In one possible embodiment, the outer circumference of the top cover 4 is in a two-stage ladder shape, the through hole on the top cover 4 is arranged on the relatively smaller outer circumference, the top end of the protecting cover 3 is provided with a small hole, the relatively larger outer circumference diameter of the top cover 4 is larger than the small hole diameter, and one end of the relatively smaller outer circumference of the top cover 4 penetrates through the small hole on the top end of the protecting cover 3 and is arranged in the protecting cover 3.
In one possible embodiment, the bushing 1 is made of carbon structural steel.
In one possible embodiment, the ejector rod 2 is made of stainless steel.
In one possible embodiment, the protective cover 3 is made of polytetrafluoroethylene.
The utility model has the advantages that: the emergency oxygen module manual release tool and the emergency oxygen module manual release method with the protective cover can be used for conveniently and quickly carrying out manual opening when the emergency oxygen module is electrified and cannot be automatically opened.
Drawings
FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present utility model
FIG. 2 is a schematic view of a top cover in accordance with a preferred embodiment of the present utility model
FIG. 3 is a schematic view of a carrier rod according to a preferred embodiment of the present utility model
Fig. 4 is a schematic representation of the use of a preferred embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, an emergency oxygen module manual release tool with a protective cover comprises a mandril 2 and the protective cover 3;
one end of the ejector rod 2 is provided with a cylindrical thin rod with a smaller relative diameter, and the other end of the ejector rod is provided with a handle with a larger relative diameter; the protective cover 3 is a hollow cylindrical sleeve with an opening at one end and is sleeved at one end of the ejector rod 2 with a cylindrical thin rod; the middle section of the ejector rod 2 is provided with two-stage step excircles which are respectively marked as a first-stage step excircle and a second-stage step excircle, wherein the diameter of the first-stage step excircle is the same as the inner diameter of the protective cover 3, and the first-stage step excircle is provided with external threads which are in threaded fit connection with the protective cover 3; the diameter of the outer circle of the second-stage step is larger than the outer diameter of the protective cover 3.
The device also comprises a lining 1, a top cover 4 and a mooring rope 5; the top cover 4 is arranged at the top end of the protective cover 3, as shown in fig. 2, and a through hole is formed in the top cover 4; as shown in fig. 3, a through hole is formed in the handle of the ejector rod 2; the two ends of the mooring rope 5 respectively pass through the through holes on the top cover 4 and the through holes on the handle of the ejector rod 2, and then are pressed and fixed through the bushing 1.
The periphery of the connecting end of the protective cover 3 and the ejector rod 2 is provided with a regular hexagon boss. The protection cover 3 is provided with a regular hexagon boss at the connection end of the ejector rod 2, so that the protection cover is convenient to screw and is not easy to slip.
The outer circumference of the top cover 4 is in a two-stage ladder shape, the through hole in the top cover 4 is formed in the relatively smaller outer circumference, the top end of the protective cover 3 is provided with a small hole, the relatively larger outer circumference of the top cover 4 is larger than the small hole, and one end of the relatively smaller outer circumference of the top cover 4 penetrates through the small hole in the top end of the protective cover 3 and is arranged in the protective cover 3.
In one possible embodiment, the bushing 1 is made of carbon structural steel.
In one possible embodiment, the ejector rod 2 is made of stainless steel.
In one possible embodiment, the protective cover 3 is made of polytetrafluoroethylene.
As shown in fig. 4, a manual release method of an emergency oxygen module with a protective cover, using the above-mentioned manual release tool of an emergency oxygen module with a protective cover,
when the emergency oxygen module is electrified and cannot be automatically opened, the ejector rod 2 is unscrewed from the protective cover 3; the handle of the ejector rod 2 is held, one end of the ejector rod 2 with a cylindrical thin rod extends into a small hole reserved on the emergency oxygen module door, and the electromagnetic lock latch on the emergency oxygen module is jacked up by the ejector rod 2 to realize manual opening.
Claims (7)
1. An emergency oxygen module manual release tool with a protective cover is characterized by comprising a push rod (2) and the protective cover (3);
one end of the ejector rod (2) is provided with a cylindrical thin rod with a smaller relative diameter, and the other end of the ejector rod is provided with a handle with a larger relative diameter; the protective cover (3) is a hollow cylindrical sleeve with an opening at one end and is sleeved at one end of the ejector rod (2) with a cylindrical thin rod; the middle section of the ejector rod (2) is provided with two-stage step excircles which are respectively marked as a first-stage step excircle and a second-stage step excircle, wherein the diameter of the first-stage step excircle is the same as the inner diameter of the protective cover (3), and the first-stage step excircle is provided with external threads which are in threaded fit connection with the protective cover (3); the diameter of the outer circle of the second-stage step is larger than the outer diameter of the protective cover (3).
2. The emergency oxygen module manual release tool with a protective cover according to claim 1, further comprising a bushing (1), a top cover (4), a mooring line (5); the top cover (4) is arranged at the top end of the protective cover (3), and a through hole is formed in the top cover (4); a through hole is formed in the handle of the ejector rod (2); the two ends of the mooring rope (5) respectively penetrate through the through holes on the top cover (4) and the through holes on the handle of the ejector rod (2), and then are pressed and fixed through the bushing (1).
3. The emergency oxygen module manual release tool with the protective cover according to claim 1, wherein a regular hexagon boss is arranged on the periphery of the connecting end of the protective cover (3) and the ejector rod (2).
4. The emergency oxygen module manual release tool with the protective cover according to claim 2, wherein the outer circumference of the top cover (4) is in a two-stage ladder shape, a through hole in the top cover (4) is formed in a relatively small outer circumference, a small hole is formed in the top end of the protective cover (3), the relatively large outer circumference diameter of the top cover (4) is larger than the small hole diameter, and one end of the relatively small outer circumference of the top cover (4) penetrates through the small hole in the top end of the protective cover (3) and is arranged in the protective cover (3).
5. An emergency oxygen module manual release tool with a protective cover according to claim 2, characterized in that the bushing (1) is made of carbon structural steel.
6. An emergency oxygen module manual release tool with a protective cover according to claim 1, characterized in that the ejector rod (2) is made of stainless steel.
7. An emergency oxygen module manual release tool with a protective cover according to claim 1, characterized in that the protective cover (3) is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771505.0U CN218907613U (en) | 2022-10-19 | 2022-10-19 | Manual release tool of emergent oxygen module with safety cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771505.0U CN218907613U (en) | 2022-10-19 | 2022-10-19 | Manual release tool of emergent oxygen module with safety cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218907613U true CN218907613U (en) | 2023-04-25 |
Family
ID=86040658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222771505.0U Active CN218907613U (en) | 2022-10-19 | 2022-10-19 | Manual release tool of emergent oxygen module with safety cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218907613U (en) |
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2022
- 2022-10-19 CN CN202222771505.0U patent/CN218907613U/en active Active
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| GR01 | Patent grant |