CN108598770B - Reliable blind-plugging electric connector and blind-plugging method - Google Patents
Reliable blind-plugging electric connector and blind-plugging method Download PDFInfo
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- CN108598770B CN108598770B CN201810400236.2A CN201810400236A CN108598770B CN 108598770 B CN108598770 B CN 108598770B CN 201810400236 A CN201810400236 A CN 201810400236A CN 108598770 B CN108598770 B CN 108598770B
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- socket
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/621—Bolt, set screw or screw clamp
- H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
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- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a reliable blind-mating electric connector and a blind-mating method, belongs to the technical field of electric connection, and solves the technical problem that how the electric connector corrects axial butt joint size errors and radial butt joint size errors in an application scene without a manual operation space in the prior art, and simultaneously solves the problem of shielding protection of a butt joint surface of the electric connector in the application scene without the manual operation space. The utility model provides a reliable blind mating device of electric connector, includes plug and socket, be equipped with trigger device on the plug, be equipped with protection device on the socket, trigger device construct with protection device cooperatees, protection device is used for shielding the protection to the electric connector, and the spring mounting double-screw bolt is installed on the plug for rectify electric connector axial butt joint size error. The invention realizes the reliable blind insertion of the electric connector and prolongs the service life of the electric connector.
Description
Technical Field
The invention relates to the technical field of electric connection, in particular to a reliable blind-mate electric connector and a blind-mate method.
Background
Signal connections to electrical devices are typically made through electrical connectors. For application scenarios without manual operating space, for example, in some cases, the socket is disposed at a position inaccessible to the hand. At this time, the plug and the socket of the electrical connector need to be inserted in a blind-insertion manner, that is, the electrical connector moves along with the attached mechanical structure to complete the insertion.
The method for implementing the blind mating of the electrical connector mainly faces the following two problems. The method comprises the following steps of firstly, correcting the butt joint error of the mechanical structure, wherein the butt joint error comprises a radial butt joint size error and an axial butt joint size error. The axial mating dimension can only be limited by the electrical connector along with the structure of the attached device. For large devices with large axial dimensions, such as several meters long, it is difficult to precisely control the axial mating dimension of the electrical connector due to the dimensional tolerance of the device itself, which is generally achieved by increasing the length of the contact; secondly, the problem of shielding and protecting the butting face of the electric connector before and during the butting insertion of the electric connector is solved, and the current realization mode is that a protective cover is arranged on a socket of the electric connector before the butting insertion so as to prevent sundries from falling onto the butting face; however, in an application scenario without a manual operation space, the protective cover cannot be installed. In addition, no effective means is available for shielding and protecting the mating surface of the electrical connector during the mating process of the electrical connector.
Disclosure of Invention
In view of the foregoing, embodiments of the present invention provide a reliable blind-mating apparatus for an electrical connector, so as to solve the technical problem of how to implement reliable blind-mating of the electrical connector and further solve the problem of shielding protection of the mating surface of the electrical connector in the application scenario without manual operation, especially in the case of a device with a large axial dimension.
On one hand, the embodiment of the invention provides a reliable blind plugging device of an electric connector, which comprises a plug and a socket and is characterized in that a trigger device is arranged on the plug, and a protection device is arranged on the socket; the triggering device is configured to cooperate with the protection device to shield the electrical connector.
The beneficial effects of the above scheme are as follows: the trigger device and the protection device are respectively arranged on the plug and the socket, so that the problem of shielding and protecting the butt joint surface of the electric connector under the application scene without a manual operation space is well solved, the electric connector is prevented from being damaged, reliable connection is ensured, and the service life of the electric connector is prolonged.
In another embodiment of the present invention, the connector further comprises spring mounting studs attached to the plug flange and configured to correct axial mating dimensional errors of the electrical connector.
In another embodiment of the invention, the spring mounting stud comprises a spring, a stud, a threaded sleeve and a nut, the nut is mounted on the threaded sleeve, the spring is sleeved on the stud, one end of the spring is in contact with the threaded sleeve, and the other end of the spring is in contact with the plug flange; the spring mounting stud is connected with the plug flange plate by, but not limited to, the following connection modes, including welding, riveting, screwing and the like.
The beneficial effects of the above technical scheme are as follows: the springs on the spring mounting studs are compressed, so that the axial butt joint dimension error of the electric connector is corrected, and the reliability of the electric connector in butt joint is improved.
In another embodiment of the present invention, the triggering device includes a triggering plate, and the triggering plate is connected to the plug flange by, but not limited to, welding, riveting, screwing, or other connection methods; the protection device comprises a protection cover, a torsion spring and a screw; the visor passes through screw, torsional spring fixed mounting to the socket ring flange side of socket, and the torsional spring passes through the screw mounting in one side of socket ring flange.
The beneficial effects of the above technical scheme are as follows: trigger plate and visor all are fixed through detachable connected mode, and the installation is simple and convenient, the change of being convenient for.
In another embodiment of the invention, the plug is provided with a guide pin, one end of the guide pin can be conical, hemispherical or in other shapes so as to define a guide inclined plane, and the socket is provided with a guide sleeve; the guide pin is matched with the guide sleeve to correct the radial butt joint size error of the electric connector.
The beneficial effects of the above technical scheme are as follows: the correction of the radial butt joint size error is realized when the electric connector is plugged.
In another embodiment of the invention, the guide sleeve is constructed as a one-piece construction with the socket flange.
In another aspect, another embodiment of the present invention provides a method for implementing reliable blind mating of an electrical connector, including the following steps:
a. before the plug is plugged with the socket, the protection device is in a closed initial state and is used for shielding and protecting a contact element of the socket;
b. when the plug is plugged into the socket, the trigger device triggers the protection device, the protection device is opened, and the plug enters the socket to perform plugging action;
c. when the plug is separated from the socket, the protection device is gradually closed until the initial state of complete closing is recovered.
In another embodiment of the present invention, in the step b, after the plug is plugged into the socket, the plug and the socket can continue to move towards each other, and at this time, the axial butt-joint dimension error of the electrical connector is corrected by the compressed length of the spring on the spring mounting stud.
In another embodiment of the invention, the protection device realizes the opening and closing of the protection device through a rotation mode.
The embodiment of the invention provides a reliable blind plugging device of an electric connector and a method for realizing the reliable blind plugging of the electric connector, thereby solving the problem that how to correct axial butt joint size errors and radial butt joint size errors of the electric connector for an application scene without a manual operation space, particularly equipment with a large axial size, and realizing the reliable blind plugging of the electric connector; meanwhile, the trigger plate and the protective cover are arranged on the plug and the socket respectively, so that the waterproof and dustproof effects on the electric connector are realized, and the service life of the electric connector is prolonged.
In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 is a schematic view of a plug construction;
FIG. 2 is a schematic diagram of a socket structure;
FIG. 3 is a schematic three-dimensional structure of a socket;
fig. 4 is a schematic diagram of the plug and the socket.
Reference numerals:
1-plug flange; 2-mounting a stud by a spring; 3-a trigger plate; 4-a guide pin; 5-a socket; 6, a guide sleeve; 7-dustproof protective cover; 8-torsion spring; 9-screw.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
The invention discloses a reliable blind-mate device of an electric connector, which comprises a plug flange plate 1, a spring mounting stud 2, a trigger plate 3, a guide pin 4, a socket 5, a guide sleeve 6, a protective cover 7 and a torsion spring 8, wherein the plug flange plate is fixedly connected with the plug flange plate; the spring mounting stud 2 comprises a spring, a stud, a threaded sleeve and a nut, the nut is mounted on the threaded sleeve, the spring is sleeved on the stud, one end of the spring is in contact with the threaded sleeve, and the other end of the spring is in contact with the plug flange plate (1); the spring mounting stud 2 is connected with the plug flange 1 by, but not limited to, the following connection modes, including welding, riveting, screwing and other connection modes. Specifically, in this embodiment, 4 spring mounting studs 2 are uniformly screwed to the plug flange 1.
Still be equipped with a plurality of uide pins 4 on the plug ring flange 1, specifically to this embodiment, 2 uide pins 4 pass through the nut fastening on the plug ring flange 1, and the one end of uide pin 4 can be for cylindrical, hemisphere, taper shape or other shapes, and the terminal surface design of direction is for certain shape be favorable to guaranteeing the axiality of uide pin and uide bushing, rectifies radial butt joint dimensional error. In particular, in the present embodiment, one end of the guide pin 4 is tapered so as to define a guide slope, and the guide pin 4 cooperates with the guide sleeve 6 to correct the radial butt dimension error.
The socket 5 comprises a socket flange with a plurality of guide sleeves 6 embedded in holes in the socket flange. Specifically, in the present embodiment, 2 guide sleeves 6 are integrally formed with the socket flange, that is, a through hole is formed in the socket flange, so that the guide sleeves 6 are formed. When the plug is inserted into the socket oppositely, the guide pin 4 on the plug and the guide sleeve 6 on the socket correct the radial dimension error through the guide inclined plane before the abutting surfaces of the plug and the socket are contacted, after the positions of the plug and the socket are guided, the contact piece of the plug and the socket starts to be inserted, namely, the pin in the plug and the hole in the socket start to be inserted, so that the damage of the electric connector caused by the radial position deviation is avoided.
When the plug is butted with the socket, the plug is attached to equipment, and the equipment often has axial butting dimension errors, which are particularly obvious on an electric connector with a large axial dimension, such as a large-scale equipment with a length of several meters. It should be noted that the axial mating dimensional error of the electrical connector can be corrected by the spring mounting studs 2 mounted on the plug flange 1 in this embodiment. Specifically, in this embodiment, the plug and the socket are both attached to the device, the compression amount of the spring mounting stud is L, and when the abutting surface of the plug and the abutting surface of the socket are on the same horizontal plane, that is, the socket and the plug of the electrical connector are just plugged, the spring of the spring mounting stud is in a compression state with a compression amount of L/2. Due to tolerances in the equipment itself, the following two situations occur: (1) when the butt joint surface of the plug is positioned below the butt joint surface of the socket, the plug pin on the plug is inserted into the jack on the socket too much, so that the electric connector is damaged, the butt joint of the plug and the socket generates a positive axial butt joint size error, and the spring on the stud is installed by compressing the spring until the compression amount is L, so that the + L/2 axial butt joint size error is corrected; (2) when the butt joint face of the plug is positioned on the butt joint face of the socket, namely when the contact pin on the plug is not in contact with the jack on the socket, the butt joint of the plug and the socket generates a negative axial butt joint size error, and the axial butt joint size error from-L/2 to 0 is corrected by adjusting the compression amount of the spring, namely controlling the compression amount of the spring to be 0 to L/2. In conclusion, on the premise of ensuring that the contact elements of the plug and the socket do not have relative displacement, the plug and the socket can continuously move in opposite directions, the spring on the spring mounting stud is compressed, the maximum compression length of the spring is L, the error size correction of +/-L/2 length can be realized in the axial direction, the axial floating of the electric connector is realized, and the reliable blind plugging of the electric connector is ensured.
The movable protective cover 7 is fixedly installed on the upper end cover surface of the socket 5, specifically, in this embodiment, as shown in fig. 3, the protective cover 7 is fixedly installed on the side edge of the socket flange plate of the socket 5 through a screw 9 and a torsion spring 8, and the torsion spring 8 is installed on one side of the socket flange plate through the screw 9. Before the plug is plugged with the socket, the protective cover 7 is tightly attached and fixed on the butt joint end face of the socket through the torque generated by the torsion spring 8, the protective cover 7 is in a completely closed initial state, and the waterproof and dustproof effects are achieved on the contact face of the socket. The trigger plate 3 is installed on the plug flange plate 1, and is connected with the plug flange plate 1 through, but not limited to, the following connection modes, including welding, riveting, screwing and other connection modes, specifically to this embodiment, the trigger plate 3 is screwed on the plug flange plate 1.
In the process of inserting and closing the plug and the socket in the embodiment shown in fig. 4, after the plug is radially positioned by the guide pin and the guide sleeve, when the plug is inserted into the socket, the trigger plate 3 on the plug downwardly presses the side edge of the protective cover 7 to generate a moment opposite to that of the torsion spring, the protective cover 7 overcomes the elasticity of the torsion spring, so that the protective cover 7 is opened by rotating around the screw, when the protective cover 7 is completely and vertically opened, the plug continues to move towards the socket to complete the process of inserting and closing, and when the plug and the socket are in the state of inserting and closing, the dustproof protective cover is always in the; when the plug is separated from the socket, the trigger plate 3 on the plug moves away from the protective cover 7, and the restoring moment of the torsion spring enables the protective cover 7 to rotate around the screw to be closed until the initial state of complete closing is restored, and the contact piece of the socket is covered tightly again.
In summary, the present application provides an electrical connector reliable blind mating apparatus and an implementation method of electrical connector reliable blind mating, which solve the technical problem of how to correct the axial mating dimension error and the radial mating dimension error of an electrical connector for an application scenario without a manual operation space, especially for a device with a large axial dimension, and implement reliable blind mating of the electrical connector; meanwhile, the trigger plate and the protective cover are arranged on the plug and the socket respectively, so that the problem of shielding and protecting the butt joint surface of the electric connector under the application scene without a manual operation space is well solved, the electric connector is waterproof and dustproof, and the service life of the electric connector is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (5)
1. A reliable blind-mating electric connector comprises a plug and a socket, and is characterized in that a trigger device is arranged on the plug, and a protection device is arranged on the socket;
the triggering device is configured to be matched with the protection device so as to shield and protect the electric connector;
the electric connector also comprises a spring mounting stud (2), wherein the spring mounting stud (2) is connected with the plug flange plate (1) and is used for correcting the axial butt joint size error of the electric connector;
the spring mounting stud (2) comprises a spring, a stud, a threaded sleeve and a nut, the nut is mounted on the threaded sleeve, the spring is sleeved on the stud, one end of the spring is in contact with the threaded sleeve, and the other end of the spring is in contact with the plug flange plate (1); the spring mounting stud (2) is connected with the plug flange plate (1) through welding, riveting or threaded connection; the compression amount of the spring mounting stud (2) is L, and when the socket is inserted into the plug, the spring of the spring mounting stud (2) is in a compression state with the compression amount of L/2;
the trigger device comprises a trigger plate (3), and the trigger plate (3) is connected with the plug flange plate (1) through welding, riveting or threaded connection;
the protection device comprises a protection cover (7), a torsion spring (8) and a screw (9); the dustproof protective cover (7) is fixedly arranged on the side edge of the socket flange plate of the socket (5) through a screw (9) and a torsion spring (8), and the torsion spring (8) is arranged on one side of the socket flange plate through the screw (9);
the plug is provided with a guide pin (4), and the socket is provided with a guide sleeve (6); the guide pin (4) is matched with the guide sleeve (6) to correct the radial butt joint size error of the electric connector.
2. A positive blind mate electrical connector according to claim 1, characterised in that one end of the guide pin (4) may be conical or otherwise shaped, thereby being configured as a guide ramp.
3. A positive blind mate electrical connector according to any of claims 1 or 2, wherein the guide sleeve (6) is constructed as a one-piece construction with the socket flange.
4. A method for implementing reliable blind mating of an electrical connector, comprising the reliable blind mating electrical connector according to any one of claims 1 to 3,
a. before the plug is plugged with the socket, the protection device is in a closed initial state and is used for shielding and protecting a contact element of the socket;
b. when the plug is plugged into the socket, the trigger device triggers the protection device, the protection device is opened, and the plug enters the socket to perform plugging action;
c. when the plug is separated from the socket, the protection device is gradually closed until the initial state of complete closing is recovered;
in the step b, after the plug and the socket are plugged, the plug and the socket can continuously move in opposite directions, and the axial butt joint size error of the electric connector is corrected by compressing the spring on the spring mounting stud; when a positive axial butt joint size error is generated by butt joint of the plug and the socket, the plus L/2 axial butt joint size error is corrected by compressing a spring on a spring mounting stud (2); when the plug pins are not in contact with the jacks on the socket, the butting of the plug and the socket generates a negative axial butting dimensional error, the compression amount of the spring is controlled to be 0-L/2 by adjusting the compression amount of the spring, and the axial butting dimensional error of-L/2-0 is corrected.
5. The method for realizing the reliable blind plugging of the electric connector according to claim 4, wherein the protection device realizes the opening and closing of the protection device through a rotating mode; when the plug is inserted into the socket, the trigger plate (3) on the plug downwards extrudes the side edge of the protective cover (7) to generate a moment opposite to the torsion spring, and the protective cover (7) overcomes the elasticity of the torsion spring (8) to rotate and open; when the protective cover (7) is completely vertically opened, the plug continues to move towards the socket to complete the plugging process, and when the plug and the socket are in the plugging state, the protective cover (7) is always in the opening state; when the plug is separated from the socket, the trigger plate (3) on the plug moves away from the protective cover (7), and the restoring moment of the torsion spring (8) enables the protective cover (7) to rotate around the screw to be closed, so that the contact piece of the socket is covered tightly again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400236.2A CN108598770B (en) | 2018-04-28 | 2018-04-28 | Reliable blind-plugging electric connector and blind-plugging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400236.2A CN108598770B (en) | 2018-04-28 | 2018-04-28 | Reliable blind-plugging electric connector and blind-plugging method |
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| Publication Number | Publication Date |
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| CN108598770A CN108598770A (en) | 2018-09-28 |
| CN108598770B true CN108598770B (en) | 2020-04-10 |
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| CN201810400236.2A Active CN108598770B (en) | 2018-04-28 | 2018-04-28 | Reliable blind-plugging electric connector and blind-plugging method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111092328B (en) * | 2019-12-20 | 2021-03-26 | 北京航空航天大学 | Three-level fault-tolerant docking mechanism capable of resisting on-orbit impact |
| CN111370908A (en) * | 2020-03-12 | 2020-07-03 | 贵州航天电器股份有限公司 | A kind of interface unit |
| CN113783021A (en) * | 2021-09-03 | 2021-12-10 | 上海卫星工程研究所 | Redundancy control device for separating electric connector for deep space exploration and spacecraft |
| CN114024185B (en) * | 2022-01-05 | 2022-04-08 | 中国电子科技集团公司第二十九研究所 | Controllable force application blind plugging connector plugging device with self-adjusting position |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4265503A (en) * | 1979-12-20 | 1981-05-05 | Automation Industries, Inc. | Aircraft/pylon multi-contact electrical connector |
| JP4257917B2 (en) * | 2004-12-28 | 2009-04-30 | ヒロセ電機株式会社 | Electrical connector with shutter |
| CN202487879U (en) * | 2012-01-09 | 2012-10-10 | 中航光电科技股份有限公司 | Self-positioning floating connector assembly and floating connector thereof |
| CN103311728A (en) * | 2013-05-15 | 2013-09-18 | 西安电子工程研究所 | Floating rectangular electric connector |
| CN103326183B (en) * | 2013-06-07 | 2015-05-20 | 南京航空航天大学 | Self-calibration electric coupler with buffer device |
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