CN216158549U - Passive separation trachea plug - Google Patents
Passive separation trachea plug Download PDFInfo
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- CN216158549U CN216158549U CN202122149922.7U CN202122149922U CN216158549U CN 216158549 U CN216158549 U CN 216158549U CN 202122149922 U CN202122149922 U CN 202122149922U CN 216158549 U CN216158549 U CN 216158549U
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Abstract
The utility model discloses a passive separation air pipe plug which comprises an upper bracket, a lower bracket, a plug and a socket, wherein the upper bracket is fixedly connected with the lower bracket; the upper bracket is connected with a second-stage rocket body of the rocket; the upper part of the plug is inserted on the upper bracket; the lower part of the plug is inserted into an inner hole formed in the upper end of the socket; the lower bracket is connected with a first-stage rocket body of the rocket; the lower part of the socket is inserted on the lower bracket. The utility model provides a passive separation air pipe plug, which adopts a matching structure with an adjustable spherical surface and a self-centering conical surface, realizes butt joint of pipelines at two ends by a socket and plug matching structure and a pre-tightening mode, has the functions of separation along with rocket bodies and simultaneous passive separation of pipelines, and can meet the requirement of separation between rocket stages.
Description
Technical Field
The utility model relates to the technical field of carrier rocket pressurized conveying systems, in particular to a passive separation air pipe plug.
Background
And in the inter-stage separation process of the carrier rocket body, the gas conveying pipeline is separated along with the carrier rocket body. At present, the related gas pipeline joints are fixedly connected in a certain form, and the most widely applied connection form is threaded connection so as to meet the sealing condition of a sealing structure. However, during rocket separation, the pipeline joint is not allowed to be fixedly connected in any form, so that normal separation action of the pipeline during separation is ensured.
The typical structure mainly applied to gas pipeline butt joint at the present stage is a quick connector, which seals by a taper matching surface and is pre-tightened by a sleeve nut to realize the quick butt joint and sealing of the gas pipeline. Quick-operation joint can realize the quick butt joint of two pipelines, but need carry out threaded connection, generally chooses for use during the separation to loosen the screw thread manually, carries out the separation operation of pipeline. The use conditions of the quick joint cause that the quick joint cannot be applied to separation of an interstage pipeline of a launch vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a passive separation air pipe plug which is used for solving at least one technical problem, can realize the automatic centering function of air pipe socket installation, and meets and is not limited to the installation condition of an O-shaped sealing ring.
The embodiment of the utility model is realized by the following steps:
a passive separation air pipe plug comprises an upper support, a lower support, a plug and a socket.
The upper bracket is connected with a second-stage rocket body of the rocket.
The upper part of the plug is inserted on the upper bracket.
The lower part of the plug is inserted into an inner hole formed in the upper end of the socket.
The lower bracket is connected with a first-stage rocket body of the rocket.
The lower part of the socket is inserted on the lower bracket.
In a preferred embodiment of the present invention, the passive disconnect gas tube plug further comprises a threaded socket.
The threaded seat is fixed on the upper bracket.
The thread seat adopts an inner hexagonal spiral structure.
The upper portion of plug is equipped with the screw thread, adopts outer hexagonal thread structure, with the screw thread seat cooperation.
In a preferred embodiment of the present invention, the passive separation tracheal plug further comprises a retainer ring.
The retainer ring is fixed on the lower bracket.
The socket is clamped with the lower bracket through the retainer ring.
The technical effects are as follows: the function of limiting the axial displacement of the socket is realized.
In a preferred embodiment of the present invention, the passive separation tracheal plug further comprises a sealing ring.
The sealing ring is mounted on the lower portion of the plug.
The lower part of the plug is connected with the inner hole of the socket in a sealing way through the sealing ring.
The technical effects are as follows: the sealing ring is an O-shaped rubber sealing ring.
In a preferred embodiment of the present invention, the socket of the passive separation air pipe plug has a spherical engaging surface at a lower end thereof.
And a spherical base is arranged on the lower support corresponding to the spherical binding surface.
The spherical binding surface is tightly connected with the spherical base.
The technical effects are as follows: the socket can be adjusted within a certain range around the center of the sphere.
In a preferred embodiment of the present invention, a tapered joint is disposed below the spherical abutting surface of the passive separation air pipe plug.
The inner part of the lower support is provided with a conical surface base corresponding to the conical joint.
The conical joint and the conical base.
The technical effects are as follows: the spherical binding surface and the spherical center of the conical joint are positioned on the same central shaft of the socket, and the turning radiuses of the spherical binding surface and the spherical center of the conical joint are equal.
In a preferred embodiment of the present invention, the end of the lower end of the plug of the passive separation air pipe plug is a conical surface.
The taper is 24 deg..
The inner hole of the socket is matched with the end head of the plug.
In a preferred embodiment of the present invention, a socket filler neck is disposed at an upper end of the socket of the passive separation tracheal plug.
A socket pipeline is arranged in the socket along the central shaft.
And a plug pipeline is arranged in the plug along the central shaft.
The lower end of the plug is provided with a plug filler neck.
The technical effects are as follows: the function of air supply sealing of the pipeline is realized.
The plug filler neck, the plug pipeline, the socket pipeline and the socket filler neck are communicated in sequence.
The embodiment of the utility model has the beneficial effects that:
the utility model provides a passive separation air pipe plug, which adopts a matching structure with an adjustable spherical surface and a self-centering conical surface, realizes butt joint of pipelines at two ends by a socket and plug matching structure and a pre-tightening mode, has the functions of separation along with rocket bodies and simultaneous passive separation of pipelines, and can meet the requirement of separation between rocket stages.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a passively separated air pipe plug according to the present invention.
In the figure: 1-upper support; 2-lower support; 3-a plug; 4-a socket; 5-a threaded seat; 6-a retainer ring; 7-sealing ring; 8-a taper joint; 9-spherical binding surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.
Referring to fig. 1, a first embodiment of the present invention provides a passive disconnect tracheal plug, which comprises an upper bracket 1, a lower bracket 2, a plug 3 and a socket 4.
The upper bracket 1 is connected with a second-stage rocket body of the rocket.
The upper part of the plug 3 is inserted on the upper bracket 1.
The lower part of the plug 3 is inserted into an inner hole formed in the upper end of the socket 4.
The lower bracket 2 is connected with a first-stage rocket body of the rocket.
The lower part of the socket 4 is inserted on the lower bracket 2.
In the preferred embodiment of the present invention, the passive disconnect air pipe plug further comprises a threaded socket 5.
The threaded seat 5 is fixed on the upper bracket 1.
The thread seat 5 adopts an inner hexagonal spiral structure.
The upper portion of plug 3 is equipped with the screw thread, adopts outer hexagonal thread structure, with screw thread seat 5 cooperation.
In a preferred embodiment of the present invention, the passive separation tracheal plug further comprises a retainer ring 6.
The retainer ring 6 is fixed on the lower bracket 2.
The socket 4 is engaged with the lower holder 2 through the retainer ring 6.
The technical effects are as follows: the function of limiting the axial displacement of the socket 4 is achieved.
In the preferred embodiment of the present invention, the passive disconnect trachea plug further comprises a sealing ring 7.
The packing 7 is mounted on the lower portion of the plug 3.
The lower part of the plug 3 is hermetically connected with the inner hole of the socket 4 through the sealing ring 7.
The technical effects are as follows: the sealing ring 7 is an O-shaped rubber sealing ring.
In the preferred embodiment of the present invention, the lower end of the socket 4 of the passive disconnect trachea plug is provided with a spherical abutting surface 9.
And a spherical base is arranged on the lower support 2 corresponding to the spherical binding surface 9.
The spherical binding surface 9 is tightly connected with the spherical base.
The technical effects are as follows: the socket 4 can be adjusted within a certain range around the centre of the sphere.
In the preferred embodiment of the present invention, a conical joint 8 is disposed below the spherical abutting surface 9 of the passive separation air pipe plug.
The lower support 2 is internally provided with a conical surface base corresponding to the conical joint 8.
The conical joint 8 and the conical base.
The technical effects are as follows: the spherical abutting surface 9 and the spherical center of the conical joint 8 are positioned on the same central shaft of the socket 4, and the turning radiuses of the spherical abutting surface and the spherical center are equal.
In the preferred embodiment of the present invention, the end of the lower end of the plug 3 of the passive separation tracheal plug is a conical surface.
The taper is 24 deg..
The inner hole of the socket 4 is matched with the end head of the plug 3.
In the preferred embodiment of the present invention, the upper end of the socket 4 of the passive separation tracheal plug is provided with a socket filler neck.
And a socket pipeline is arranged in the socket 4 along the central shaft.
And a plug pipeline is arranged in the plug 3 along the central shaft.
The lower end of the plug 3 is provided with a plug filler neck.
The technical effects are as follows: the function of air supply sealing of the pipeline is realized.
The plug filler neck, the plug pipeline, the socket pipeline and the socket filler neck are communicated in sequence.
The second embodiment of the utility model provides a method for passively separating a gas pipe plug from a rocket body and simultaneously passively separating pipelines, wherein in the rocket separation process, the rocket body respectively drives an upper bracket 1 and a lower bracket 2 to move, the upper bracket 1 drives a plug 3 to continuously fly along with a second-stage rocket body of the rocket through a threaded seat 5, and the lower bracket 2 drives a socket 4 to realize passive separation along with a first-stage rocket body of the rocket.
The embodiment of the utility model aims to protect a passive separation air pipe plug, which has the following effects:
1. the adjustable structure comprises a socket and a plug, and can adjust the installation angle with multiple degrees of freedom through the matching form of a spherical surface and a conical surface, thereby playing the function of automatic centering and meeting the sealing requirement of the device after the plug is compressed.
2. Provides a passive pipeline separation mode, and can meet the rocket interstage separation requirement. Meanwhile, the device is suitable for the working conditions that other pipelines can not be manually separated and need to be automatically or passively separated.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A passive separation air pipe plug is characterized by comprising an upper bracket (1), a lower bracket (2), a plug (3) and a socket (4);
the upper bracket (1) is connected with a second-stage rocket body of the rocket;
the upper part of the plug (3) is inserted on the upper bracket (1);
the lower part of the plug (3) is inserted into an inner hole formed in the upper end of the socket (4);
the lower bracket (2) is connected with a first-stage rocket body of the rocket;
the lower part of the socket (4) is inserted on the lower bracket (2).
2. A passive split tracheal plug, as claimed in claim 1,
also comprises a thread seat (5);
the threaded seat (5) is fixed on the upper bracket (1);
the upper part of the plug (3) is provided with threads which are matched with the thread seat (5).
3. A passive split tracheal plug, as claimed in claim 1,
also comprises a retainer ring (6);
the retainer ring (6) is fixed on the lower bracket (2);
the socket (4) is clamped with the lower bracket (2) through the retainer ring (6).
4. A passive split tracheal plug, as claimed in claim 1,
the device also comprises a sealing ring (7);
the sealing ring (7) is arranged at the lower part of the plug (3);
the lower part of the plug (3) is hermetically connected with an inner hole of the socket (4) through the sealing ring (7).
5. A passive split tracheal plug, as claimed in claim 1,
the lower end of the socket (4) is provided with a spherical binding surface (9);
a spherical base is arranged on the lower support (2) corresponding to the spherical binding surface (9);
the spherical binding surface (9) is tightly connected with the spherical base.
6. A passive disconnect trachea plug according to claim 5,
a conical joint (8) is arranged below the spherical binding surface (9);
a conical surface base is arranged in the lower support (2) corresponding to the conical joint (8);
the conical joint (8) and the conical base.
7. A passive split tracheal plug, as claimed in claim 1,
the end head of the lower end of the plug (3) is a conical surface;
the inner hole of the socket (4) is matched with the end head of the plug (3).
8. A passive split tracheal plug, as claimed in claim 1,
the upper end of the socket (4) is provided with a socket filler neck;
a socket pipeline is arranged in the socket (4) along the central shaft;
a plug pipeline is arranged in the plug (3) along the central shaft;
the lower end of the plug (3) is provided with a plug filler neck;
the plug filler neck, the plug pipeline, the socket pipeline and the socket filler neck are communicated in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122149922.7U CN216158549U (en) | 2021-09-07 | 2021-09-07 | Passive separation trachea plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122149922.7U CN216158549U (en) | 2021-09-07 | 2021-09-07 | Passive separation trachea plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216158549U true CN216158549U (en) | 2022-04-01 |
Family
ID=80843073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122149922.7U Active CN216158549U (en) | 2021-09-07 | 2021-09-07 | Passive separation trachea plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216158549U (en) |
-
2021
- 2021-09-07 CN CN202122149922.7U patent/CN216158549U/en active Active
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