CN212775022U - Self-gas storage separation cylinder and multistage aircraft - Google Patents
Self-gas storage separation cylinder and multistage aircraft Download PDFInfo
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- CN212775022U CN212775022U CN202021439726.2U CN202021439726U CN212775022U CN 212775022 U CN212775022 U CN 212775022U CN 202021439726 U CN202021439726 U CN 202021439726U CN 212775022 U CN212775022 U CN 212775022U
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Abstract
The utility model is suitable for an aircraft technical field provides a from gas storage separation cylinder and multistage aircraft, includes from gas storage separation cylinder: the cylinder body is internally provided with an inner cavity distributed along the length direction of the cylinder body; the piston separating rod is movably arranged in the inner cavity, and the piston separating rod and the cylinder body form sealing and can move relative to the cylinder body; the piston separation rod is internally provided with a gas storage cavity, one end of the piston separation rod is provided with a gas inlet communicated with the inner cavity and the gas storage cavity, and the other end of the piston separation rod is closed; and the inflation connector is fixed at one end of the cylinder body and is communicated with the inner cavity. The utility model provides a from gas storage separation cylinder is through setting up the gas storage cavity body in the piston separation pole, need not to set up high-pressure gas storage bottle alone in addition and store gas, has saved the occupation space and the equipment process of high-pressure gas storage bottle, does benefit to the miniaturization of using this from gas storage separation cylinder's multistage aircraft, and has reduced the processing degree of difficulty of multistage aircraft.
Description
Technical Field
The utility model relates to an aircraft technical field, concretely relates to from gas storage separation cylinder and multistage aircraft.
Background
The multistage aircraft generally comprises a plurality of cabin sections, a stage section is arranged between a front cabin section and a rear cabin section of the multistage aircraft, which need to be separated from each other, in order to ensure reliable separation between the front cabin section and the rear cabin section of the multistage aircraft, a special high-pressure gas storage cylinder and a separation cylinder are usually required to be arranged in the stage section of the multistage aircraft, when the front cabin section and the rear cabin section need to be separated, the separation cylinder is inflated through the high-pressure gas storage cylinder, and the separation cylinder drives the front cabin section to be separated from the rear cabin section under the action of high-.
In the prior art, because traditional separation cylinder does not have the gas storage function, therefore need set up dedicated high-pressure gas storage bottle in the stage section of multistage aircraft to need set up separation cylinder and drive front deck section and backshell section separation, therefore need set up separation cylinder and high-pressure gas storage bottle respectively alone, and because high-pressure gas storage bottle occupation space is big, and the gas circuit equipment is loaded down with trivial details, is unfavorable for the miniaturization of multistage aircraft and the processing of multistage aircraft.
SUMMERY OF THE UTILITY MODEL
The utility model provides a from gas storage separation cylinder, the separation cylinder who aims at solving prior art's multistage aircraft does not have the gas storage function, need set up high-pressure gas cylinder alone, is unfavorable for the problem of multistage aircraft's miniaturization and multistage aircraft processing.
The utility model discloses a realize like this, provide a from gas storage separation cylinder, include:
the cylinder body is internally provided with an inner cavity distributed along the length direction of the cylinder body;
the piston separating rod is movably arranged in the inner cavity, and the piston separating rod and the cylinder body form sealing and can move relative to the cylinder body; a gas storage cavity is arranged in the piston separation rod, one end of the piston separation rod is provided with a gas inlet communicated with the inner cavity and the gas storage cavity, and the other end of the piston separation rod is sealed;
and the inflation joint is fixed at one end of the cylinder body and is communicated with the inner cavity.
Preferably, the cylinder body comprises a cylinder body and a guide end socket detachably fixed at one end of the cylinder body;
the inner cavity comprises a first inner cavity arranged in the cylinder barrel and a second inner cavity arranged in the guide end enclosure, the piston separation rod penetrates through the second inner cavity and is in sealing fit with the guide end enclosure, and the piston separation rod extends into the first inner cavity and is arranged at an interval with the cylinder barrel.
Preferably, the guide end socket is in threaded connection with the cylinder barrel.
Preferably, the guide head comprises:
a main body portion;
the connecting part is formed by extending one end of the main body part, the connecting part is inserted into one end of the cylinder body and is in threaded connection with the cylinder body, and the second inner cavity penetrates through the main body part and the connecting part.
Preferably, one end of the connecting part, which is close to the main body part, is provided with a first annular positioning groove, and the first annular positioning groove is provided with a first sealing ring for sealing the joint of the connecting part and the cylinder body.
Preferably, the main body part is provided with a second annular positioning groove, and a second sealing ring used for sealing the connection position of the main body part and the piston separation rod is installed on the second annular positioning groove.
Preferably, the piston rod includes:
the air inlet is arranged at one end of the rod body, the rod body penetrates through the second inner cavity and is in sealing fit with the guide seal head, and the rod body extends into the first inner cavity and is arranged at intervals with the cylinder body; and
the sealing cover is detachably fixed at one end of the rod body.
Preferably, the rod body and the cover are in threaded connection.
Preferably, aerify and connect including the stiff end and with the charging connector that the stiff end is connected, the stiff end is fixed in the one end of cylinder body and with the cylinder body forms sealedly.
The utility model also provides a multistage aircraft, use foretell from gas storage separation cylinder.
The utility model provides a from storing gas separation cylinder is through setting up the gas cavity body of storing in the piston release lever, utilizes to aerify to connect and fills high-pressure gas to the inner chamber of the gas cavity body of storing of piston release lever and cylinder body, from storing gas separation cylinder during operation, utilizes to store and separates between the cabin section that the high-pressure gas drive piston release lever in gas cavity body and inner chamber drives multistage aircraft. The gas storage cavity of the piston separation rod and the inner cavity of the cylinder body are used for storing gas, a high-pressure gas storage cylinder does not need to be additionally and independently arranged for storing gas, the occupied space and the assembling process of the high-pressure gas storage cylinder are saved, the miniaturization of the multistage aircraft using the self-gas storage separation cylinder is facilitated, the processing difficulty of the multistage aircraft is reduced, and the processing of the multistage aircraft is facilitated.
Drawings
Fig. 1 is a three-dimensional structure diagram of a self-gas-storage separation cylinder provided in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a gas separation cylinder according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a partial structure of a self-storing separation cylinder according to an embodiment of the present invention;
fig. 4 is a schematic view of a cross-sectional structure of a guiding end socket in the self-gas-storage separation cylinder according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a from gas storage separation cylinder is through setting up the gas storage cavity in the piston release lever, in advance fill high-pressure gas to gas storage cavity and inner chamber through the gas charging connector, the high-pressure gas drive piston release lever that utilizes to store in gas storage cavity and inner chamber drives and separates between the cabin section of multistage aircraft, this from gas storage separation cylinder utilizes the gas storage cavity of piston release lever and the inner chamber of cylinder body to store gas, need not to set up high-pressure gas storage bottle alone in addition and store gas, the occupation space and the equipment process of high-pressure gas storage bottle have been saved, do benefit to and use this from multistage aircraft's of gas storage separation cylinder miniaturization, and the processing degree of difficulty of multistage aircraft has been reduced.
Referring to fig. 1 to 3, an embodiment of the present invention provides a self-gas-storage separation cylinder, including:
the cylinder body 1 is internally provided with an inner cavity 10 distributed along the length direction of the cylinder body 1;
the piston separating rod 2 is movably arranged in the inner cavity 10, and the piston separating rod 2 and the cylinder body 1 form sealing and can move relative to the cylinder body 1; an air storage cavity 20 is arranged in the piston separation rod 2, one end of the piston separation rod 2 is provided with an air inlet 21 which is communicated with the inner cavity 10 and the air storage cavity 20, and the other end of the piston separation rod 2 is sealed;
and the inflation connector 3 is fixed at the other end of the cylinder body 1 and is communicated with the inner cavity 10.
The embodiment of the utility model provides an in, piston release lever 2 forms sealedly with cylinder body 1, and the fitting surface of piston release lever 2 and cylinder body 2 forms encapsulated situation promptly, prevents that the high-pressure gas of inner chamber 10 from overflowing between the fitting surface of piston release lever 2 and cylinder body 2.
The embodiment of the utility model provides an in, through set up gas storage cavity 20 in piston release lever 2, connect 3 to gas storage cavity 20 and inner chamber 10 through aerifing in advance and fill high-pressure gas to with high-pressure gas prestore in gas storage cavity 20 and inner chamber 10, should from gas storage separation cylinder at the during operation, utilize to store and drive separation between the cabin section that multistage aircraft at the high-pressure gas drive piston release lever 2 in gas storage cavity 20 and inner chamber 10. The self-gas storage separation cylinder stores gas by utilizing the gas storage cavity body 20 of the piston separation rod 2 and the inner cavity 10 of the cylinder body 1, does not need to separately arrange a special high-pressure gas storage cylinder for gas storage, saves the occupied space and the assembly process of the high-pressure gas storage cylinder, is beneficial to the miniaturization of the multistage aircraft using the self-gas storage separation cylinder, and reduces the processing difficulty of the multistage aircraft.
As an embodiment of the utility model, cylinder body 1 includes cylinder barrel 11 and can dismantle the direction head 12 that is fixed in cylinder barrel 11 one end, and inner chamber 10 is including locating first inner chamber 101 in cylinder barrel 11 and locating the second inner chamber 102 in direction head 12, and piston release lever 2 passes second inner chamber 102 and forms sealed cooperation with direction head 12, and piston release lever 2 stretch into first inner chamber 101 and set up with cylinder barrel 11 interval.
Wherein, cylinder barrel 11 one end is connected with direction head 2, and the other end of cylinder barrel 11 is connected with inflation joint 3. In this embodiment, the cylinder barrel 11 is integrally formed in a tubular structure.
The embodiment of the utility model provides an in, utilize direction head 12 and piston release lever 2 to cooperate to play direction and limiting displacement to piston release lever 2 through direction head 12, piston release lever 2 stretch into in first inner chamber 101 and set up with cylinder barrel 11 interval, do not have traditional piston seal structure between piston release lever 2 and the cylinder barrel 11, cylinder barrel 11's first inner chamber 101 and piston release lever 2's air storage cavity 20 all can store the high-pressure gas of equal pressure, increased the air storage volume. Because the piston separation rod 2 does not need to be directly matched with the cylinder barrel 11, the inner profiles of the cylinder barrel 11 and the piston separation rod 2 do not need to be processed, only the guide seal head 2 needs to be subjected to finish machining, the cylinder barrel 11 with longer length does not need to be subjected to finish machining, and the machining difficulty and the machining cost are greatly reduced.
As an embodiment of the utility model, direction head 12 and cylinder barrel 11 threaded connection. The guide end socket 12 is connected with the cylinder body 11 in a thread fit manner, so that the guide end socket 12 is conveniently connected with the cylinder body 11, and the sealing performance and the stability of the connection of the guide end socket 12 and the cylinder body 11 are ensured.
Referring to fig. 4, as an embodiment of the present invention, the guiding cap 12 includes:
a body portion 121;
the connecting portion 122 is formed by extending one end of the main body portion 121, the connecting portion 122 is inserted into one end of the cylinder barrel 11 and is in threaded connection with the cylinder barrel 11, and the second cavity 102 penetrates through the main body portion 121 and the connecting portion 122.
In this embodiment, when the guide head 12 is fixed to one end of the cylinder barrel 11, the connecting portion 122 is inserted into one end of the cylinder barrel 11 and is connected with the cylinder barrel 11 by threads, so that the connection between the guide head 12 and the cylinder barrel 11 is realized, the connection mode is simple and convenient, and the guide head 12 is stably connected with the cylinder barrel 11.
As an embodiment of the present invention, one end of the connecting portion 122 close to the main body portion 121 is provided with a first annular positioning groove 1221, and the first annular positioning groove 1221 is provided with a first sealing ring 4 for sealing the joint of the connecting portion 122 and the cylinder barrel 11.
In this embodiment, the joint between the connection portion 122 and the cylinder barrel 11 is sealed by the first seal ring 4, so that the high-pressure gas in the first inner cavity 101 of the cylinder barrel 11 is prevented from escaping from the joint between the connection portion 122 and the cylinder barrel 11, thereby improving the sealing performance.
As an embodiment of the present invention, the main body 121 is provided with a second annular positioning groove 1211, and the second annular positioning groove 1211 is provided with a second sealing ring 5 for sealing the joint of the main body 121 and the piston separation rod 2. The joint of the piston separation rod 2 and the main body part 121 is sealed by the second sealing ring 5, so that high-pressure gas in the second inner cavity 102 of the cylinder barrel 11 is prevented from escaping from a gap between the main body part 121 and the piston separation rod 2, and the sealing performance between the piston separation rod 2 and the guide end enclosure 12 is further improved.
As an embodiment of the present invention, the piston separating rod 2 includes:
the air inlet device comprises a rod body 22, wherein an air storage cavity 20 is arranged in the rod body 22, an air inlet 21 is arranged at one end of the rod body 22, the rod body 22 penetrates through a second inner cavity 102 and is in sealing fit with a guide seal head 12, and the rod body 22 extends into a first inner cavity 101 and is arranged at intervals with an air cylinder barrel 11; and
a cover 23 detachably fixed to one end of the rod body 22.
In this embodiment, the air reservoir cavity 20 extends through the entire rod body 22 to increase the air reservoir volume. The rod 22 passes through the second lumen 102 and is slidable relative to the guide cap 12. By setting the piston separation rod 2 to be composed of the rod body 22 and the sealing cover 23, a standard section pipe can be adopted as the rod body, the sealing cover 23 is connected with one end of the rod body 22 to form the piston separation rod 2, the rod body 22 is easy to obtain, the piston separation rod 2 is convenient to process, and the processing difficulty and the processing cost are reduced.
As an embodiment of the present invention, the rod body 22 and the cover 23 are screwed to facilitate the connection between the rod body 22 and the cover 23, and ensure the stability and the sealing performance of the connection between the rod body 22 and the cover 23.
As an embodiment of the utility model, still overlap on the closing cap 23 and be equipped with third sealing washer 6, third sealing washer 6 is used for sealing the body of rod 22 and closing cap 23 junction, prevents that the high-pressure gas of the interior gas storage cavity 20 of the body of rod 22 from escaping from body of rod 22 and closing cap 23 junction to further improve the sealing performance that body of rod 22 and closing cap 23 are connected.
As an embodiment of the present invention, the inflation connector 3 comprises a fixing end 31 and an inflation nozzle 32 connected to the fixing end 31, wherein the fixing end 31 is fixed to one end of the cylinder body 1 and forms a seal with the cylinder body 1.
Wherein, the junction of stiff end 31 and cylinder body 1 is equipped with fourth sealing washer 8 to improve the sealing performance between stiff end 31 and the cylinder body 1. Specifically, one end of the cylinder barrel 11 is connected to the fixed end 31.
The embodiment of the utility model provides a still provide a multistage aircraft, use the self-storing gas separation cylinder of above-mentioned embodiment. The multistage aircraft comprises a front cabin section, a rear cabin section and a stage section which is connected with the front cabin section and the rear cabin section, wherein the self-gas storage separation cylinder is fixed in the stage section, and one end of a piston separation rod 2 of the self-gas storage separation cylinder is abutted against the front cabin section.
In practical application, high-pressure gas is filled into the gas storage cavity 20 and the inner cavity 10 in advance through the inflating nozzle 32 of the inflating joint 3, and after inflation is completed, the inflating nozzle 32 of the inflating joint 3 is closed, so that the high-pressure gas is stored in the gas storage cavity 20 and the inner cavity 10 of the piston separating rod 2 in advance. When the front cabin section and the rear cabin section of the multistage aircraft need to be separated, after the front cabin section and the rear cabin section of the multistage aircraft are unlocked, under the action of high-pressure gas in the self-gas storage separation cylinder, the equivalent pressure area of the high-pressure gas to the piston separation rod 2 is the outer circle area of the piston separation rod 2, the high-pressure gas pushes the piston separation rod 2 to move towards the front cabin section along the second inner cavity 102 of the guide sealing head 12, and therefore the piston separation rod 2 pushes the front cabin section to be separated from the rear cabin section, and separation between the cabin sections is achieved.
The utility model provides a from storing gas separation cylinder is through setting up the gas cavity body of storing in the piston release lever, utilizes to aerify to connect and fills high-pressure gas to the inner chamber of the gas cavity body of storing of piston release lever and cylinder body, from storing gas separation cylinder during operation, utilizes to store and separates between the cabin section that the high-pressure gas drive piston release lever in gas cavity body and inner chamber drives multistage aircraft. The gas storage cavity of the piston separation rod and the inner cavity of the cylinder body are used for storing gas, a high-pressure gas storage cylinder does not need to be additionally and independently arranged for storing gas, the occupied space and the assembling process of the high-pressure gas storage cylinder are saved, the multi-stage aircraft using the self-gas storage separation cylinder is favorably miniaturized, and the processing difficulty of the multi-stage aircraft is reduced.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A self-storing split cylinder, comprising:
the cylinder body is internally provided with an inner cavity distributed along the length direction of the cylinder body;
the piston separating rod is movably arranged in the inner cavity, and the piston separating rod and the cylinder body form sealing and can move relative to the cylinder body; a gas storage cavity is arranged in the piston separation rod, one end of the piston separation rod is provided with a gas inlet communicated with the inner cavity and the gas storage cavity, and the other end of the piston separation rod is sealed;
and the inflation joint is fixed at one end of the cylinder body and is communicated with the inner cavity.
2. The self-storing separation cylinder according to claim 1, wherein the cylinder body comprises a cylinder barrel and a guide head detachably fixed to one end of the cylinder barrel;
the inner cavity comprises a first inner cavity arranged in the cylinder barrel and a second inner cavity arranged in the guide end enclosure, the piston separation rod penetrates through the second inner cavity and is in sealing fit with the guide end enclosure, and the piston separation rod extends into the first inner cavity and is arranged at an interval with the cylinder barrel.
3. The self-storing separation cylinder according to claim 2, wherein the guide head is threadedly coupled to the cylinder barrel.
4. The self-retaining decoupling cylinder of claim 2, wherein the guide head comprises:
a main body portion;
the connecting part is formed by extending one end of the main body part, the connecting part is inserted into one end of the cylinder body and is in threaded connection with the cylinder body, and the second inner cavity penetrates through the main body part and the connecting part.
5. The self-storing separation cylinder according to claim 4, wherein an end of the connecting portion adjacent to the main body portion is provided with a first annular positioning groove, and the first annular positioning groove is provided with a first sealing ring for sealing a joint of the connecting portion and the cylinder barrel.
6. The self-retaining isolating cylinder according to claim 4, wherein said main body portion is provided with a second annular retaining groove fitted with a second sealing ring for sealing the junction of said main body portion and said piston isolating rod.
7. The self-storing isolating cylinder according to claim 2, wherein the piston isolating rod comprises:
the rod body is internally provided with the air storage cavity, one end of the rod body is provided with the air inlet, the rod body penetrates through the second inner cavity and is in sealing fit with the guide seal head, and the rod body extends into the first inner cavity and is arranged at intervals with the cylinder body; and
the sealing cover is detachably fixed at one end of the rod body.
8. The self-storing separation cylinder of claim 7, wherein the rod and the cap are threadably connected.
9. The self-stored gas separation cylinder of claim 1, wherein the inflation fitting comprises a fixed end secured to one end of the cylinder body and forming a seal with the cylinder body, and an inflation nozzle connected to the fixed end.
10. A multistage aircraft, characterized in that a self-storing separating cylinder according to any of claims 1-9 is applied.
Priority Applications (1)
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CN202021439726.2U CN212775022U (en) | 2020-07-20 | 2020-07-20 | Self-gas storage separation cylinder and multistage aircraft |
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CN202021439726.2U CN212775022U (en) | 2020-07-20 | 2020-07-20 | Self-gas storage separation cylinder and multistage aircraft |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113998156A (en) * | 2021-12-15 | 2022-02-01 | 北华航天工业学院 | Pneumatic satellite-rocket separation system |
CN117570789A (en) * | 2023-11-23 | 2024-02-20 | 北京宇航***工程研究所 | Pushing and separating guide mechanism based on high-pressure gas driving |
-
2020
- 2020-07-20 CN CN202021439726.2U patent/CN212775022U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113998156A (en) * | 2021-12-15 | 2022-02-01 | 北华航天工业学院 | Pneumatic satellite-rocket separation system |
CN113998156B (en) * | 2021-12-15 | 2023-11-14 | 北华航天工业学院 | Pneumatic type satellite and rocket separation system |
CN117570789A (en) * | 2023-11-23 | 2024-02-20 | 北京宇航***工程研究所 | Pushing and separating guide mechanism based on high-pressure gas driving |
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