CN110576976B - Rupture disk piercing device based on spring energy storage and oxygen supply method - Google Patents
Rupture disk piercing device based on spring energy storage and oxygen supply method Download PDFInfo
- Publication number
- CN110576976B CN110576976B CN201910869598.0A CN201910869598A CN110576976B CN 110576976 B CN110576976 B CN 110576976B CN 201910869598 A CN201910869598 A CN 201910869598A CN 110576976 B CN110576976 B CN 110576976B
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- Prior art keywords
- spring
- hole
- annular groove
- firing pin
- steel ball
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000001301 oxygen Substances 0.000 title claims abstract description 23
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 23
- 238000004146 energy storage Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 7
- 238000010304 firing Methods 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 17
- 230000035515 penetration Effects 0.000 claims description 6
- 230000005284 excitation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Safety Valves (AREA)
- Springs (AREA)
Abstract
The invention belongs to an excitation starting device for oxygen supply of a civil aircraft, and relates to a rupture disk piercing device based on spring energy storage, which specifically comprises the following components: the high-pressure shell, the disc spring, the outer shell, the fixed gasket, the elastic clamp spring, the firing pin, the spring, the sealing ring and the steel ball. The rupture disk piercing device with the firing pin function provided by the invention can meet the emergency oxygen supply starting requirement of civil aviation passengers.
Description
Technical Field
The invention belongs to the technical field of civil aviation passenger emergency triggering, and particularly relates to a rupture disk piercing device based on spring energy storage and an oxygen supply method.
Background
At present, the triggering of the civil aviation passenger emergency oxygen supply by taking the gas oxygen as an oxygen source mainly adopts a switch mode to provide an oxygen supply channel. Because the triggering structure in the form of a switch does not have the function of puncturing the rupture disk and cannot be matched with the rupture disk and the oxygen cylinder for use.
Thus, the existing oxygen supply control technology has the following disadvantages: the function of the firing pin is not provided, can not be matched with a rupture disk and an oxygen bottle for use.
Disclosure of Invention
The invention aims to provide a rupture disk piercing device with a firing pin function so as to meet the emergency oxygen supply starting requirement of civil aviation passengers. The rupture disk piercing device integrates spring stored energy, piercing a striker, and an oxygen supply channel.
The technical proposal provided by the invention is to provide a burst disk piercing device based on spring energy storage, which comprises a main shell 1, a gasket 4, a first spring 6, a steel ball 7, a firing pin 9 and an outer shell 3,
The main shell 1 comprises a cavity 10, a first through hole 11 and at least two second through holes 12, wherein the at least two second through holes 12 are positioned on the side wall of the cavity 10 of the main shell 1, the first through hole 11 is positioned at the bottom of the cavity 10, and the first through hole 11 is communicated with the cavity 10; a rupture disc 14 is arranged in said first through hole 11;
the firing pin 9 comprises a first annular groove 91, a second annular groove 92 and a body 90, wherein the first annular groove 91 is positioned on the inner side of the body 90, the second annular groove 92 is positioned on the outer side of the body 90, and the opening directions of the first annular groove 91 and the second annular groove 92 are opposite; one end of the body 90 is provided with a tip for piercing the rupture disk 14; one end of the body 90 with a tip part is penetrated in the first through hole 11, and the first annular groove 91 and the second annular groove 92 are positioned in the cavity 10;
The first spring 6 is sleeved at one end of the body 90, one end of the first spring 6 is arranged in the second annular groove 92, the other end of the first spring is in contact with the gasket 4, and the gasket 4 and the second annular groove 92 clamp the first spring 6; the gasket 4 is detachably and fixedly connected with the main shell 1;
The outer shell 3 is sleeved on the outer side of the cavity 10 of the main shell 1, the part of the body 90 at the bottom of the second annular groove 92, the second through hole 12 and the outer shell 3 cooperate to limit the steel ball 7, one side of the steel ball 7 supports the body 90 of the firing pin 9, and the firing pin 9 is limited; the diameter of the steel ball 7 is smaller than that of the second through hole 12.
Further, the rupture disc puncturing device further comprises a second spring 2, an annular round table 13 is arranged outside the cavity 10 of the main shell 1, and the annular round table 13 is used for supporting the second spring 2;
The outer shell 3 is in contact with one end of the second spring 2; a round hole is formed in the outer shell 3, close to the steel ball 7, so that the steel ball 7 can be conveniently accommodated.
Further, the rupture disc piercing device further comprises a clamping spring 5, one end of the clamping spring 5 is clamped and fixed with the main shell 1, and the other end of the clamping spring 5 is in contact with the gasket 4 so as to limit the movement of the gasket 4.
Further, the second spring 2 is a belleville spring.
Further, the rupture disc piercing device further comprises a sealing ring 8, and the sealing ring 8 is sleeved on the striker 9 body.
Further, an annular protrusion 110 is further disposed at the bottom of the cavity 10 of the main housing 1, a first through hole 11 is disposed on the annular protrusion 110 along the axial direction, and the body 90 of the striker 9 is disposed through the first through hole 11; a groove is provided in the annular protrusion 110 to fix the seal ring 8.
Further, the tip of the striker 9 body 90 is provided with a first gas through hole 901, a second gas through hole 111 is provided inside the first through hole 11 of the main casing 1, and the first gas through hole 901 and the second gas through hole 111 communicate.
The invention has the technical effects that:
The spring energy storage structure and the firing pin structure are adopted, and when the device is used, the spring pushes the firing pin to pierce the rupture disk and convey oxygen through the internal channel of the firing pin;
The invention integrates the spring energy storage, the puncture firing pin and the oxygen supply channel structure into one device, and has simple structure and convenient use.
Drawings
FIG. 1 is a schematic illustration of a spring-loaded rupture disc puncturing device of this embodiment;
FIG. 2 is a schematic illustration of the structure of the main housing of the rupture disc puncturing device of this embodiment;
FIG. 3 is a schematic view of the striker of the burst disc puncturing device of the present embodiment;
fig. 4 is a schematic illustration of the structure of the present embodiment after piercing by a spring-loaded rupture disc piercing device.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings. Fig. 1 is a schematic diagram of a spring-loaded rupture disk puncturing device in accordance with this embodiment. Referring to fig. 1, the rupture disc penetration apparatus comprises a main housing 1, a washer 4, a first spring 6, a steel ball 7 and a striker 9.
Fig. 2 is a schematic structural view of a main housing of the rupture disc puncturing device according to this embodiment, as shown in fig. 2, the main housing 1 includes a cavity 10, a first through hole 11, and two second through holes 12, the two second through holes 12 are located on a side wall of the cavity 10 of the main housing 1, the first through hole 11 is located at the bottom of the cavity 10, and the first through hole 11 is in communication with the cavity 10. The rupture disk 14 is arranged in the first through hole 11, and the diameter of the steel ball 7 is smaller than that of the second through hole 12.
Fig. 3 is a schematic view of the structure of the striker of the rupture disc puncturing device of the present embodiment, and as shown in fig. 3, the striker 9 includes a first annular groove 91, a second annular groove 92, and a body 90, the first annular groove 91 is located inside the body 90, the second annular groove 92 is located outside the body 90, and the opening directions of the first annular groove 91 and the second annular groove 92 are opposite; one end of the body 90 is provided with a tip for piercing the rupture disk 14. The tip end of the body 90 is inserted into the first through hole 11, and the first annular groove 91 and the second annular groove 92 are located in the cavity 10.
As shown in fig. 1, the first spring 6 is sleeved on the body 90, one end of the first spring 6 is placed in the second annular groove 92, the other end of the first spring 6 is in contact with the gasket 4, the gasket 4 and the second annular groove 92 clamp the first spring 6, and the first spring 6 is used for applying downward elastic force to the body 90 of the firing pin 9; the gasket 4 is of an annular sheet structure and is detachably and fixedly connected with the main shell 1.
As shown in connection with fig. 1 and 2, the rupture disc piercing device further comprises an outer housing 3, wherein the outer housing 3 is arranged around the outside of the cavity 10 of the main housing 1. The part of the body 90 located at the bottom of the second annular groove 92, the second through hole 12 and the outer shell 3 cooperate to limit the steel ball 7. Meanwhile, as one part of the steel ball 7 is positioned in the second through hole 12, the other part of the steel ball is contacted with the part of the body 90 of the striker 9 positioned at the bottom of the second annular groove 92, the striker 9 is supported by the steel ball 7, and the striker 9 is limited.
The outer shell 3 is provided with a round hole, the position of the round hole is close to the second through hole 12, when the outer shell 3 slides upwards, the steel ball 7 rolls towards the round hole of the outer shell 3, and the round hole is used for accommodating the steel ball 7.
In addition, the rupture disk puncturing firing pin further comprises a second spring 2, an annular round table 13 is arranged on the outer side of the cavity 10 of the main shell 1, and the annular round table 13 is used for supporting the second spring 2; the second spring 2 is a belleville spring.
Further, the rupture disc piercing device further comprises a clamping spring 5, one end of the clamping spring 5 is clamped and fixed with the main shell 1, and the other end of the clamping spring 5 is contacted with the gasket 4 to limit the movement of the gasket. Further, as shown in fig. 1, the rupture disc piercing device further includes a sealing ring 8, and the sealing ring 8 is sleeved on the body of the firing pin 9. Referring to fig. 1 and 2, an annular protrusion 110 is further disposed at the bottom of the cavity 10 of the main housing 1, a first through hole 11 is disposed in the axial direction of the annular protrusion 110, and the body 90 of the striker 9 is disposed through the first through hole 11. The annular protrusion 110 is provided with a groove therein to accommodate the sealing ring 8.
Further, as shown in fig. 1, the tip of the striker 9 body 90 is provided with a first gas through hole 901, and a second gas through hole 111 is provided inside the first through hole 11 of the main casing 1, and the first gas through hole 901 and the second gas through hole 111 communicate.
Example 2
In this embodiment, there is provided a method of oxygen delivery for a spring-loaded burst disk puncturing device, employing a burst disk puncturing device as in embodiment 1, the method comprising,
Fixedly connecting the lower end port of the main shell 1 with an oxygen source, as shown in fig. 1;
Then, the outer shell 3 is pulled up, when the round hole of the outer shell 3 moves to a position corresponding to the steel ball 7, the first spring 6 pushes the firing pin 9, the part of the firing pin 9 positioned at the bottom of the second annular groove 92 presses the steel ball 7, so that the steel ball moves outwards and slides to the round hole of the outer shell 3, at the moment, the firing pin 9 moves downwards under the elastic force of the first spring 6, the tip of the body 90 of the firing pin 9 pierces the rupture disc 14, as shown in fig. 4, and fig. 4 is a schematic structural diagram of the pierced rupture disc piercing device based on spring energy storage of the invention;
then, the first gas through-hole 901 communicates with the second gas through-hole 111 to supply oxygen.
The working principle of the invention is as follows:
When the user does not pull up the outer housing, a steel ball mounted in the inner housing will prevent the striker from moving.
When a user pulls up the outer shell, the steel ball arranged in the inner shell falls into the corresponding hole of the outer shell, the compression spring pushes the firing pin to move rapidly to puncture the rupture disk arranged at the lower part, and meanwhile, the oxygen can be conveyed from the cavity in the firing pin to the downstream device. The sealing ring 8 arranged between the high-pressure housing and the striker realizes the sealing between the cavity 10 and the first through hole 11.
Claims (6)
1. A burst disk puncturing device based on spring energy storage is characterized by comprising a main shell (1), a gasket (4), a first spring (6), a steel ball (7), a firing pin (9) and an outer shell (3),
The main shell (1) comprises a cavity (10), a first through hole (11) and at least two second through holes (12), wherein the at least two second through holes (12) are positioned on the side wall of the cavity (10) of the main shell (1), the first through holes (11) are positioned at the bottom of the cavity (10), and the first through holes (11) are communicated with the cavity (10); the rupture disc (14) is arranged in the first through hole (11);
The firing pin (9) comprises a first annular groove (91), a second annular groove (92) and a body (90), wherein the first annular groove (91) is positioned at the inner side of the body (90), the second annular groove (92) is positioned at the outer side of the body (90), and the opening directions of the first annular groove (91) and the second annular groove (92) are opposite; one end of the body (90) is provided with a tip part for piercing the rupture disk (14); one end of the body (90) with a tip part is penetrated into the first through hole (11), and the first annular groove (91) and the second annular groove (92) are positioned in the cavity (10);
The first spring (6) is sleeved at one end of the body (90), one end of the first spring (6) is arranged in the second annular groove (92), the other end of the first spring is in contact with the gasket (4), the gasket (4) and the second annular groove (92) clamp the first spring (6), and the first spring (6) is used for applying downward elastic force to the body (90) of the firing pin (9); the gasket (4) is detachably and fixedly connected with the main shell (1);
The outer shell (3) is slidably sleeved on the outer side of the cavity (10) of the main shell (1), the part of the body (90) positioned at the bottom of the second annular groove (92), the second through hole (12) and the outer shell (3) jointly act to limit the steel ball (7), one side of the steel ball (7) supports the body (90) of the firing pin (9), and the firing pin (9) is limited; the diameter of the steel ball (7) is smaller than that of the second through hole (12); the rupture disc penetration device further comprises a second spring (2),
An annular round table (13) is arranged outside the cavity (10) of the main shell (1), and the annular round table (13) is used for supporting the second spring (2);
The outer shell (3) is in contact with one end of the second spring (2); a round hole is formed in the outer shell (3) close to the steel ball (7) so as to be convenient for accommodating the steel ball (7); the tip of firing pin (9) body (90) is provided with first gas through-hole (901), first through-hole (11) inboard of main casing (1) is provided with second gas through-hole (111), first gas through-hole (901) and second gas through-hole (111) intercommunication.
2. The rupture disc penetration device according to claim 1, further comprising a snap spring (5), one end of the snap spring (5) being snap-fitted to the main housing (1), the other end of the snap spring (5) being in contact with the gasket (4) to limit the movement of the gasket (4).
3. Rupture disc penetration device according to claim 2, characterized in that the second spring (2) is a belleville spring.
4. The rupture disc penetration device according to claim 1, further comprising a sealing ring (8), said sealing ring (8) being arranged around the striker (9) body.
5. The rupture disc penetration device according to claim 4, wherein the bottom of the cavity (10) of the main housing (1) is further provided with an annular protrusion (110), the annular protrusion (110) is provided with a first through hole (11) in the axial direction, and the body (90) of the striker (9) is penetrated through the first through hole (11);
a groove is arranged in the annular bulge (110) so as to fix the sealing ring (8).
6. A method of oxygen supply for a spring-loaded rupture disk piercing device, using a rupture disk piercing device as defined in any one of claims 1 to 5, the method comprising,
Fixedly connecting an air inlet port of the main shell (1) with an oxygen source;
When the outer shell (3) is pulled up to enable the round hole of the outer shell (3) to move to a position corresponding to the steel ball (7), the first spring (6) pushes the firing pin (9), the part of the firing pin (9) positioned at the bottom of the second annular groove (92) presses the steel ball (7) to enable the steel ball (7) to move outwards and slide to the round hole of the outer shell (3), at the moment, the firing pin (9) moves downwards under the action of the elastic force of the first spring (6), and the tip of the firing pin body (90) pierces the rupture disc (14);
The first gas through hole (901) communicates with the second gas through hole (111) to supply oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869598.0A CN110576976B (en) | 2019-09-09 | 2019-09-09 | Rupture disk piercing device based on spring energy storage and oxygen supply method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869598.0A CN110576976B (en) | 2019-09-09 | 2019-09-09 | Rupture disk piercing device based on spring energy storage and oxygen supply method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110576976A CN110576976A (en) | 2019-12-17 |
| CN110576976B true CN110576976B (en) | 2024-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910869598.0A Active CN110576976B (en) | 2019-09-09 | 2019-09-09 | Rupture disk piercing device based on spring energy storage and oxygen supply method |
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| CN (1) | CN110576976B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210971551U (en) * | 2019-09-09 | 2020-07-10 | 合肥江航飞机装备股份有限公司 | Rupture disk piercing device based on energy storage of spring |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154374A (en) * | 1991-08-23 | 1992-10-13 | Burns Aerospace Corporation | Aircraft passenger seat assembly including an emergency oxygen system |
| TW595317U (en) * | 2002-07-29 | 2004-06-21 | Liu Jin Yi | Automatic inflation safety device for use on land and water |
| CA2629947A1 (en) * | 2005-11-09 | 2007-05-18 | Intertechnique | Oxygen supplying circuit for an aicraft crew member |
| EP2114535B1 (en) * | 2007-02-05 | 2017-01-11 | BE Intellectual Property, Inc. | Inflatable harness crew mask |
| FR3006900B1 (en) * | 2013-06-12 | 2015-05-29 | Air Liquide | RESPIRATORY PROTECTION EQUIPMENT |
| TWI535472B (en) * | 2014-05-20 | 2016-06-01 | Zhi-Cheng Wang | Fire extinguisher intake structure |
| CN108775507B (en) * | 2018-05-07 | 2020-06-16 | 合肥江航飞机装备有限公司 | Emergency oxygen supply triggering and breaking device |
-
2019
- 2019-09-09 CN CN201910869598.0A patent/CN110576976B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210971551U (en) * | 2019-09-09 | 2020-07-10 | 合肥江航飞机装备股份有限公司 | Rupture disk piercing device based on energy storage of spring |
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| CN110576976A (en) | 2019-12-17 |
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