CN213776750U - Ground ball lock for use in gas supply connector - Google Patents
Ground ball lock for use in gas supply connector Download PDFInfo
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- CN213776750U CN213776750U CN202021881176.XU CN202021881176U CN213776750U CN 213776750 U CN213776750 U CN 213776750U CN 202021881176 U CN202021881176 U CN 202021881176U CN 213776750 U CN213776750 U CN 213776750U
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- ball lock
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- hollow pipe
- ground ball
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Abstract
The utility model provides a ground ball lock used in a gas supply connector, which comprises a ground ball lock bowl and a filler neck, wherein the ground ball lock bowl comprises a hollow pipe with a closed bottom end, the filler neck is connected on the side wall of the lower part of the hollow pipe, and compressed gas is introduced into the hollow pipe through the filler neck; the hollow pipe is arranged in a mounting hole of a ground gas circuit board in the gas supply connector, and the top end of the hollow pipe is butted with an arrow ball lock in the gas supply connector. The utility model discloses can connect into a whole with ground gas circuit board, constitute the connector body, provide the initiative unblock mode for valve unblock separation on ball lock and the arrow on the arrow in even machine body and the confession union coupling. The utility model discloses can also provide passive unblock mode for valve separation on connector body and the arrow.
Description
Technical Field
The utility model belongs to the technical field of aerospace, concretely relates to a ground ball lock for supplying in connecing the ware.
Background
In order to reduce the number of interfaces between the rocket and the ground air supply system, multiple air supply pipelines are combined into one air supply connector, so that the multiple air supply pipelines and the rocket are integrally butted and fall off, the risk of air supply falling is reduced, and the reliability of the system is improved. Particularly, the zero-second-falling air supply connector is required to automatically fall off after the rocket is ignited, which puts higher requirements on the falling reliability of the air supply connector.
Disclosure of Invention
To overcome, at least to some extent, the problems of the related art, the present invention provides a ground ball lock for use in an air supply connector.
According to the embodiment of the utility model, the utility model provides a ground ball lock for in confession connector, it includes ground ball lock bowl and filler neck, ground ball lock bowl includes the closed hollow tube in bottom, the filler neck is connected on the lateral wall of hollow tube lower part, let in compressed gas through the filler neck to the hollow tube; the hollow pipe is installed in a mounting hole of a ground gas circuit board in the gas supply connector, and the top end of the hollow pipe is butted with an arrow ball lock in the gas supply connector.
In the above ground ball lock for use in an air supply connector, the ground ball lock bowl further comprises a first step set and a second step set; the first step group and the second step group are wound on the outer wall of the hollow pipe and are arranged along the radial direction of the hollow pipe and far away from the hollow pipe.
Furthermore, the first step group comprises two step pairs which are symmetrically arranged by taking the central axis of the hollow tube as a symmetry axis, two steps in each step pair are connected through a first arc-shaped wall, and a screw hole is arranged in each step along the radial direction of the hollow tube;
the second step group is correspondingly arranged below the first step group along the axial direction of the hollow pipe; the second step group comprises two step pairs which are symmetrically arranged, two steps in each step pair are connected through a second arc-shaped wall, and a screw hole is arranged in each step along the radial direction of the hollow pipe;
and the side wall of the mounting hole of the ground air circuit board for mounting the ground ball lock is also provided with a screw hole corresponding to the screw hole arranged in the step, and a screw is matched with the screw hole to fixedly connect the ground ball lock and the ground air circuit board together.
Furthermore, a limiting arc plate is arranged between the step pair in the first step group and the corresponding step pair in the second step group.
Still further, the thickness of the second arching wall is greater than the thickness of the first arching wall.
Furthermore, the ground ball lock also comprises a ground ball lock sleeve, a steel ball, a spring, a pin shaft and an unlocking screw;
the ground ball lock sleeve comprises a sleeve, wherein U-shaped grooves are uniformly arranged on the side wall of the upper part of the sleeve to the bottom end of the sleeve at intervals along the circumferential direction of the sleeve, and the two sides of the U-shaped grooves in the circumferential direction of the sleeve are respectively provided with a short sleeve foot and a long sleeve foot;
a first spherical groove is formed in the inner wall of the upper part of the sleeve;
the inner wall of the upper part of the sleeve below the first spherical groove is in contact with the hollow pipe;
a taper hole is formed in the side wall of the upper part of the hollow pipe, and the steel ball is arranged at the taper hole;
a second spherical groove is formed on the outer wall of the lower part of the ball lock bowl on the arrow in the air supply connector corresponding to the first spherical groove near the bottom of the sleeve;
the spring is sleeved on the hollow pipe; one end of the spring is contacted with the bottom end of the sleeve, and the other end of the spring is contacted with the top end of the step pair in the first step group;
a pin shaft is arranged at the lower part of the long sleeve leg along the radial direction of the sleeve, and a cotter pin is arranged at one end of the pin shaft; the middle part of the pin shaft is provided with a threaded hole, an unlocking screw is arranged in the threaded hole, and one end of the unlocking screw props against the bottom end of the hollow pipe.
Furthermore, a passive limiting steel wire rope is connected to the pin shaft, one end of the limiting steel wire rope is connected with the pin shaft, and the other end of the limiting steel wire rope is connected with the service arm or the fixing bracket.
Furthermore, a passive limiting steel wire rope is connected to the unlocking screw, one end of the limiting steel wire rope is connected to the unlocking screw, and the other end of the limiting steel wire rope is connected to the service arm or the fixing bracket.
Still further, the first spherical groove is provided on a side wall of the upper portion of the sleeve near the top of the sleeve and on a side wall of the lower portion of the sleeve near the bottom of the sleeve.
Still further, the radius of curvature of the first spherical groove near the top of the sleeve is greater than the radius of curvature of the first spherical groove near the bottom of the sleeve.
According to the above embodiments of the present invention, at least the following advantages are obtained: the utility model is used for the ground ball lock in the confession connector is through setting up ground ball lock bowl, and ground ball lock bowl package adopts the bottom confined hollow tube, and the hollow tube passes through screw fixed connection with ground gas circuit board, is connected with the filler neck on the lateral wall of hollow tube lower part, can let in compressed gas to the hollow tube in through the filler neck, the utility model discloses can provide the initiative unblock mode for valve separation on ground gas circuit board and the arrow. Additionally, the utility model is used for the ground ball lock in the confession connector still can provide passive unblock mode for valve separation on ground gas circuit board and the arrow through setting up ground ball lock cover, steel ball, spring, round pin axle and unblock screw.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is an assembly structure schematic diagram of a gas supply connector according to an embodiment of the present invention.
Fig. 2 is a schematic overall structure diagram of a ground ball lock for use in a gas supply connector according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a ground ball lock for use in an air supply connector according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of a ground ball lock bowl in a ground ball lock for use in an air supply connector according to an embodiment of the present invention.
Description of reference numerals:
10. a valve is arranged on the arrow; 20. a ground gas circuit board; 30. a ball lock is arranged on the arrow;
1. a ground ball lock bowl; 11. a hollow tube; 12. a first step group; 13. a second step group; 14. a first arcuate wall; 15. screw holes; 16. a second arcuate wall; 17. a limiting arc plate;
2. a filler neck;
3. a ground ball lock sleeve; 31. a sleeve; 311. a first spherical groove; 32. a U-shaped groove; 33. short sleeve feet; 34. long feet are sleeved;
4. a steel ball; 5. a spring;
6. a pin shaft; 61. a cotter pin;
7. unlocking the screw; 8. and limiting the steel wire rope.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the spirit of the present invention will be described in detail with reference to the accompanying drawings, and any person skilled in the art can change or modify the techniques taught by the present invention without departing from the spirit and scope of the present invention after understanding the embodiments of the present invention.
The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention. Additionally, the same or similar numbered elements/components used in the drawings and the embodiments are used to represent the same or similar parts.
As used herein, the terms "first," "second," …, etc. do not denote any order or sequential importance, nor are they used to limit the invention, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.
With respect to directional terminology used herein, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology used is intended to be illustrative and is not intended to be limiting of the present teachings.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
As used herein, "and/or" includes any and all combinations of the described items.
References to "plurality" herein include "two" and "more than two"; reference to "multiple sets" herein includes "two sets" and "more than two sets".
Certain words used to describe the invention are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the invention.
Fig. 1 is an assembly structure schematic diagram of a gas supply connector according to an embodiment of the present invention.
As shown in fig. 1, the air supply connector includes a dartboard shutter 10 and a floor air passage plate 20, wherein a dartboard ball lock 30 is installed in the dartboard shutter 10. The ground gas circuit board 20 is provided with the ground ball lock provided by the utility model. The ground ball lock is integrally connected to the ground air plate 20 to form a connector body. The connector body is connected and locked with the rocket valve 10 through the rocket ball lock 30.
Fig. 2 is a schematic overall structure diagram of a ground ball lock for use in a gas supply connector according to an embodiment of the present invention. Fig. 3 is a cross-sectional view of a ground ball lock for use in an air supply connector according to an embodiment of the present invention. Fig. 4 is a cross-sectional view of a ground ball lock bowl in a ground ball lock for use in an air supply connector according to an embodiment of the present invention.
In one specific embodiment, as shown in fig. 2 to 4, the ground ball lock comprises a ground ball lock bowl 1 and a filler neck 2, the ground ball lock bowl 1 comprises a hollow pipe 11 with a closed bottom end, the filler neck 2 is connected to a side wall of a lower portion of the hollow pipe 11, and compressed air can be introduced into the hollow pipe 11 through the filler neck 2. The hollow tube 11 is installed in the installation hole of the ground air channel plate 20, and the top end of the hollow tube 11 is butted with the rocket ball lock 30.
Further, the ground ball lock bowl 1 further comprises a first step set 12 and a second step set 13. The first step group 12 and the second step group 13 are both wound on the outer wall of the hollow tube 11 and are arranged along the radial direction of the hollow tube 11 in the direction away from the hollow tube 11.
The first step group 12 includes two step pairs symmetrically disposed about a central axis of the hollow tube 11, two steps of each step pair are connected by a first arc-shaped wall 14, and a screw hole 15 is disposed in each step along a radial direction of the hollow tube 11.
The second step group 13 is correspondingly arranged below the first step group 12 along the axial direction of the hollow pipe 11. The second step group 13 includes two symmetrically arranged step pairs, two steps in each step pair are connected by a second arc-shaped wall 16, and a screw hole 15 is arranged in each step along the radial direction of the hollow tube 11.
The side wall of the mounting hole of the ground air circuit board 20 for mounting the ground ball lock is also provided with a screw hole 15 corresponding to the screw hole 15 arranged in the step, and after the screw sequentially passes through the screw hole 15 on the ground air circuit board 20 and the screw hole 15 on the ground ball lock bowl 1, the ground ball lock and the ground air circuit board 20 are fixedly connected together to form the connector body.
A limiting arc plate 17 is arranged between the step pair in the first step group 12 and the step pair in the corresponding second step group 13.
In another specific embodiment, as shown in fig. 2 and 3, the ground ball lock further comprises a ground ball sleeve 3, a steel ball 4, a spring 5, a pin 6 and an unlocking screw 7.
The ground ball lock sleeve 3 comprises a sleeve 31, wherein a plurality of U-shaped grooves 32 are uniformly arranged on the side wall of the upper part of the sleeve 31 at intervals towards the bottom end of the sleeve 31 along the circumferential direction of the sleeve 31, and the two sides of the U-shaped grooves 32 in the circumferential direction of the sleeve 31 are respectively provided with a short sleeve foot 33 and a long sleeve foot 34.
Specifically, four U-shaped grooves 32 are provided on the side wall of the upper portion of the sleeve 31 at regular intervals toward the bottom end of the sleeve 31 in the circumferential direction of the sleeve 31, so that two long legs 34 and two short legs 33 are provided in the ground ball-lock casing 3. The two long legs 34 and the two short legs 33 are symmetrical with respect to the central axis of the sleeve 31.
Wherein, the short sleeve foot 33 is attached to the first arc-shaped wall 14, and the first arc-shaped wall 14 plays a guiding role for the movement of the ground ball lock sleeve 3 along the axial direction of the ground ball lock bowl 1; the short sleeve leg 33 is located above the limit circular arc plate 17, and the short sleeve leg 33 is matched with the limit circular arc plate 17 to limit the axial movement of the ground ball lock sleeve 3 relative to the ground ball lock bowl 1.
The thickness of the second arc-shaped wall 16 is greater than the thickness of the first arc-shaped wall 14, and specifically, the thickness of the second arc-shaped wall 16 is equal to the sum of the thickness of the first arc-shaped wall 14 and the thickness of the short sleeve foot 33.
The inner wall of the upper portion of the sleeve 31 is provided with a first spherical groove 311. The radius of curvature of the first spherical groove 311 near the top of the sleeve 31 is larger than the radius of curvature of the first spherical groove 311 near the bottom of the sleeve 31.
The ground ball sleeve 3 is fitted over the ground ball lock bowl 1, wherein the inner wall of the upper part of the sleeve 31 below the first spherical groove 311 is in contact with the hollow tube 11 in the ground ball lock bowl 1. The side wall of the upper part of the hollow pipe 11 is provided with a taper hole. The steel ball 4 is arranged at the conical hole.
In order to facilitate the butt joint of the ground ball lock and the arrow ball lock 30, a second spherical groove is formed on the outer wall of the lower part of the arrow ball lock 30 bowl of the arrow ball lock 30, corresponding to the first spherical groove 311 near the bottom of the sleeve 31.
The spring 5 is sleeved on the hollow tube 11 and is positioned in the space between the long sleeve foot 34 and the short sleeve foot 33 and the hollow tube 11. One end of the spring 5 contacts the bottom end of the sleeve 31, and the other end thereof contacts the top end of the step pair in the first step group 12.
After the steel ball 4 is installed, the spring 5 is in a pre-compressed state, providing an upward pressing force along its axis to the ground ball sleeve 3. Under the action of the pre-compression pressure force provided by the spring 5, one end of the steel ball 4 is in contact with the first spherical groove 311, the other end of the steel ball 4 is in contact with the second spherical groove, and finally the steel ball 4 is compressed between the first spherical groove 311 and the second spherical groove, so that the connector body and the rocket ball lock 30 are connected and locked.
In addition, the short sleeve leg 33 is matched with the limiting arc plate 17 to limit the movement distance of the ground ball lock sleeve 3 relative to the ground ball lock bowl 1 in the axial direction, so that the steel ball 4 is prevented from falling off or the spring 5 is prevented from being crushed during passive unlocking.
As shown in fig. 2 and 3, a pin shaft 6 is attached to a lower portion of the long leg 34 in a radial direction of the sleeve 31, and a cotter pin 61 is provided at one end of the pin shaft 6 so that the pin shaft 6 is connected to the ground ball sleeve 3. A threaded hole is formed in the middle of the pin shaft 6, an unlocking screw 7 is arranged in the threaded hole, and one end of the unlocking screw 7 abuts against the bottom end of the hollow pipe 11.
When the connector body is butted with the rocket ball lock 30 and the rocket valve 10, the specific process is as follows:
firstly, the rocket ball lock 30 is installed in the rocket valve 10, and the specific process is as follows:
secondly, connect the connector body with ball lock 30 on the arrow, its specific process is:
the unlocking screw 7 is screwed in so that the pin 6 drives the ground ball sleeve 3 to move downwards relative to the ground ball lock bowl 1, so that the steel ball 4 retracts into the first spherical groove 311 near the top of the sleeve 31.
The ground ball lock is butted with the ball lock 30 on the arrow, and the unlocking screw 7 is withdrawn after the ball lock is installed in place.
Under the action of the elastic force of the spring 5, the ground ball lock sleeve 3 presses the steel ball 4 between the first spherical groove 311 and the second spherical groove through the taper hole, so that the connection and locking between the connector body and the arrow ball lock 30 are completed.
And a passive limiting steel wire rope 8 is connected to the pin shaft 6 or the unlocking screw 7. One end of a limiting steel wire rope 8 is connected with the pin shaft 6 or the unlocking screw 7, and the other end of the limiting steel wire rope is connected with the service arm or the fixing bracket. After the rocket takes off, the length of the limiting steel wire rope 8 is limited and drives the ground ball lock sleeve 3 to move downwards, and then unlocking between the connector body and the rocket ball lock 30 and the rocket valve 10 can be achieved.
The embodiment of the utility model provides a ground ball lock for supplying in the connector can conveniently install in ground gas circuit board 20, can also conveniently with on the arrow ball lock 30 cooperation realize the active unblock separation of valve 10 on connector body and the arrow ball lock 30 and the arrow, perhaps with on the arrow ball lock 30 cooperation realize the passive unblock separation of connector body and arrow ball lock 30.
The utility model provides a confession union coupling that ground ball lock constitutes compact structure, simple to use, light in weight, applicable in the multichannel air feed. The utility model provides a supply the connector of ground ball lock constitution can the automatic unblock drop, satisfy the demand that zero second drops.
The utility model provides a supply connector that ground ball lock constitutes can provide the initiative and drop and pull passively and take off two kinds of mutually independent, each other for the redundant unblock mode of backing up, and then improve the reliability and the essential safety that drop that supply the connector.
The utility model provides a confession connector that ground ball lock constitutes can be at rocket axial and radial installation, and adaptability is good.
The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.
Claims (9)
1. A ground ball lock used in an air supply connector is characterized by comprising a ground ball lock bowl and a filler neck, wherein the ground ball lock bowl comprises a hollow pipe with a closed bottom end, the filler neck is connected to the side wall of the lower part of the hollow pipe, and compressed air is introduced into the hollow pipe through the filler neck; the hollow pipe is installed in a mounting hole of a ground gas circuit board in the gas supply connector, and the top end of the hollow pipe is butted with an arrow ball lock in the gas supply connector.
2. The ground ball lock for use in an air supply connector of claim 1, wherein said ground ball lock bowl further comprises a first step set and a second step set; the first step group and the second step group are wound on the outer wall of the hollow pipe and are arranged along the radial direction of the hollow pipe and far away from the hollow pipe.
3. The ground ball lock for use in a gas supply connector of claim 2, wherein the first step group comprises two step pairs symmetrically disposed about the central axis of the hollow tube, two steps of each step pair being connected by a first arcuate wall, each step having a screw hole disposed therein in a radial direction of the hollow tube;
the second step group is correspondingly arranged below the first step group along the axial direction of the hollow pipe; the second step group comprises two step pairs which are symmetrically arranged, two steps in each step pair are connected through a second arc-shaped wall, and a screw hole is arranged in each step along the radial direction of the hollow pipe;
and the side wall of the mounting hole of the ground air circuit board for mounting the ground ball lock is also provided with a screw hole corresponding to the screw hole arranged in the step, and a screw is matched with the screw hole to fixedly connect the ground ball lock and the ground air circuit board together.
4. The ground ball lock for use in an air supply connector of claim 3, wherein a limit arc plate is provided between a pair of steps in the first step set and a corresponding pair of steps in the second step set.
5. The ground ball lock for use in an air supply connector of claim 3, wherein the thickness of said second arcuate wall is greater than the thickness of said first arcuate wall.
6. The ground ball lock for use in an air connector of claim 3, wherein the ground ball lock further comprises a ground ball sleeve, a steel ball, a spring, a pin, and an unlocking screw;
the ground ball lock sleeve comprises a sleeve, wherein U-shaped grooves are uniformly arranged on the side wall of the upper part of the sleeve to the bottom end of the sleeve at intervals along the circumferential direction of the sleeve, and the two sides of the U-shaped grooves in the circumferential direction of the sleeve are respectively provided with a short sleeve foot and a long sleeve foot;
a first spherical groove is formed in the inner wall of the upper part of the sleeve;
the inner wall of the upper part of the sleeve below the first spherical groove is in contact with the hollow pipe;
a taper hole is formed in the side wall of the upper part of the hollow pipe, and the steel ball is arranged at the taper hole;
a second spherical groove is formed on the outer wall of the lower part of the ball lock bowl on the arrow in the air supply connector corresponding to the first spherical groove near the bottom of the sleeve;
the spring is sleeved on the hollow pipe; one end of the spring is contacted with the bottom end of the sleeve, and the other end of the spring is contacted with the top end of the step pair in the first step group;
a pin shaft is arranged at the lower part of the long sleeve leg along the radial direction of the sleeve, and a cotter pin is arranged at one end of the pin shaft; the middle part of the pin shaft is provided with a threaded hole, an unlocking screw is arranged in the threaded hole, and one end of the unlocking screw props against the bottom end of the hollow pipe.
7. The ground ball lock for use in an air supply connector according to claim 6, wherein a passive restraining wire rope is connected to the pin, one end of the restraining wire rope being connected to the pin and the other end thereof being connected to a service arm or a fixed bracket.
8. The ground ball lock for use in an air supply connector according to claim 6, wherein a passive restraining wire is connected to said unlocking screw, said restraining wire having one end connected to said unlocking screw and the other end connected to a service arm or a mounting bracket.
9. The ground ball lock for use in an air supply connector of claim 6, wherein said first spherical groove is provided on a sidewall of said sleeve upper portion near said sleeve top and on a sidewall of said sleeve lower portion near said sleeve bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021881176.XU CN213776750U (en) | 2020-09-02 | 2020-09-02 | Ground ball lock for use in gas supply connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021881176.XU CN213776750U (en) | 2020-09-02 | 2020-09-02 | Ground ball lock for use in gas supply connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213776750U true CN213776750U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021881176.XU Active CN213776750U (en) | 2020-09-02 | 2020-09-02 | Ground ball lock for use in gas supply connector |
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| Country | Link |
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| CN (1) | CN213776750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066126A (en) * | 2020-09-02 | 2020-12-11 | 蓝箭航天空间科技股份有限公司 | Ground ball lock for gas supply connector |
-
2020
- 2020-09-02 CN CN202021881176.XU patent/CN213776750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066126A (en) * | 2020-09-02 | 2020-12-11 | 蓝箭航天空间科技股份有限公司 | Ground ball lock for gas supply connector |
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