阅读说明：本技术 一种圆形电磁脱落插头及连接器 (Circular electromagnetic drop plug and connector ) 是由 曾军 张晓彤 楚淇博 于 2020-12-02 设计创作，主要内容包括：本发明提供了一种圆形电磁脱落插头及连接器,该圆形电磁脱落插头包括插头壳体组件和电磁脱落组件,所述插头壳体组件包括插头壳体、针前绝缘体、针后绝缘体、第一卡簧和多个插针,该连接器包括插座和与所述插头,所述插头与插座对接,所述插座包括插座壳体组件和限位套组件,电磁脱落组件和限位套组件配合实现插头和插座的锁紧和分离。本发明采用电磁分离结构将分离脱落电连接器利用电磁力分离,这种情况对分离体的运动轨迹没有干扰,有利于飞行器按预定轨迹行驶。(The invention provides a circular electromagnetic shedding plug and a connector, wherein the circular electromagnetic shedding plug comprises a plug shell component and an electromagnetic shedding component, the plug shell component comprises a plug shell, a front needle insulator, a rear needle insulator, a first clamp spring and a plurality of contact pins, the connector comprises a socket and the plug, the plug is in butt joint with the socket, the socket comprises a socket shell component and a limiting sleeve component, and the electromagnetic shedding component and the limiting sleeve component are matched to realize locking and separation of the plug and the socket. The separation and shedding electric connector is separated by the electromagnetic force by adopting the electromagnetic separation structure, so that the motion trail of the separation body is not interfered, and the flying vehicle can run according to the preset trail.)

1. A circular electromagnetic drop plug is characterized by comprising a plug shell assembly and an electromagnetic drop assembly, wherein the plug shell assembly comprises a plug shell, a front needle insulator, a rear needle insulator, a first clamp spring and a plurality of contact pins, the front needle insulator and the rear needle insulator are installed in the plug shell through the first clamp spring, through holes for the electromagnetic drop assembly to pass through are formed in the centers of the front needle insulator and the rear needle insulator, and the plurality of contact pins are axially installed in the front needle insulator and the rear needle insulator; the electromagnetic shedding component comprises a pull rod, a pull rod outer sleeve, a top cap, an outer sleeve, a tail attached shell, a separation spring, a locking steel ball, a movable armature, a return spring, an electromagnet shell, a fixed armature, a winding support and a coil;

the fixed armature is arranged at the tail end of the electromagnet shell, the front end of the electromagnet shell is connected with the tail attached shell, the front end of the fixed armature is provided with a movable armature capable of moving left and right, a winding support is arranged outside the fixed armature and the movable armature, the coil is wound on the winding support, the movable armature and the fixed armature are coaxially arranged, the center of the front end of the fixed armature is provided with a limiting sleeve protruding inwards, the periphery of the tail end of the pull rod is provided with a first annular boss, the first annular boss is arranged in the movable armature and the fixed armature, a return spring is arranged in the limiting sleeve and sleeved at the periphery of the tail end of the pull rod, two ends of the return spring respectively abut against the tail end face of the first annular boss and the front end face of the inner side of the limiting sleeve of the fixed armature, the front end of the pull rod penetrates out of the movable armature, the periphery of the front end, the tail end face of the limiting table is attached to the front end face of the movable armature, a separating spring and a top cap are sequentially sleeved on the periphery of the pull rod outer sleeve, a locking steel ball is arranged in a radial through hole formed in the front end of the pull rod outer sleeve, the front end of the pull rod is provided with a conical surface used for limiting the locking steel ball, an outer sleeve is sleeved on the periphery of the separating spring and the top cap, a positioning table is arranged at the tail end of the outer sleeve, the inside of the positioning table is abutted to the limiting table of the pull rod outer sleeve, and the positioning table is fixed with the tail attachment shell and the electromagnet outer shell through screws.

2. The circular electromagnetic release plug according to claim 1, wherein a limiting steel ball engaged with the outer sleeve for limiting the axial movement range of the top cap is further disposed in a radial through hole formed at the rear end of the locking steel ball of the pull rod outer sleeve, and a slide rail slidably engaged with the locking steel ball and the limiting steel ball is further disposed inside the top cap.

3. The circular electromagnetic release plug of claim 1, wherein the front end of the tail attachment housing is fixed to the tail end of the plug housing by screws.

4. The round electromagnetic release plug of claim 1, wherein a bore for mounting a separation assembly is provided beside the through holes of the front and rear needle insulators, the separation assembly comprises a power-assisted post movably mounted in the bore of the front and rear needle insulators forward and backward, the end of the power-assisted post is mounted in a stop-fit manner with the front end of the front needle insulator, a power-assisted spring is mounted in the power-assisted post, when the plug is in butt joint with the socket, the power-assisted post is stressed to compress the power-assisted spring, and after the electromagnetic release assembly is unlocked, the power-assisted spring is released, so that the plug and the socket are pushed to separate.

5. The round electromagnetic release plug according to claim 4, wherein the power assisting column is a hollow cylinder structure with an opening at one end, the opening is provided with a second annular boss extending towards the outer periphery, the front end of the needle front insulator is provided with a third annular boss protruding inwards, the end of the power assisting column with the second annular boss is placed in the needle front insulator, and the second annular boss and the third annular boss cooperate to limit the axial movement range of the power assisting column.

6. A circular electromagnetic release connector, which is characterized by comprising a socket and a plug as claimed in any one of claims 1 to 5, wherein the plug is butted with the socket, the socket comprises a socket shell component and a spacing sleeve component, and the electromagnetic release component and the spacing sleeve component are matched to realize the locking and the separation of the plug and the socket; the socket shell assembly comprises a socket shell, a hole front insulator, a hole rear insulator, a second snap spring and a plurality of insertion holes, wherein the hole front insulator and the hole rear insulator are arranged inside the socket shell through the second snap spring; the jacks are axially mounted in the hole front insulator and the hole rear insulator respectively and are used for being in butt joint with the pins respectively.

Technical Field

The invention belongs to the technical field of pull-out connectors and relates to a circular electromagnetic pull-out plug and a connector.

Background

The traditional pull-out connector adopts a central pull rod, a steel ball or an elastic claw to lock and unlock, and realizes instant forced separation of the pull-out electric connector by using the inertia force of rocket launching.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a circular electromagnetic drop plug and a connector. The separation and shedding electric connector is separated by the electromagnetic force by adopting the electromagnetic separation structure, so that the motion trail of the separation body is not interfered, and the flying vehicle can run according to the preset trail.

In order to achieve the purpose, the invention adopts the following technical scheme: a circular electromagnetic release plug comprises a plug shell assembly and an electromagnetic release assembly, wherein the plug shell assembly comprises a plug shell, a front needle insulator, a rear needle insulator, a first clamp spring and a plurality of contact pins, the front needle insulator and the rear needle insulator are installed in the plug shell through the first clamp spring, through holes for the electromagnetic release assembly to pass through are formed in the centers of the front needle insulator and the rear needle insulator, and the plurality of contact pins are axially installed in the front needle insulator and the rear needle insulator; the electromagnetic shedding component comprises a pull rod, a pull rod outer sleeve, a top cap, an outer sleeve, a tail attached shell, a separation spring, a locking steel ball, a movable armature, a return spring, an electromagnet shell, a fixed armature, a winding support and a coil;

the fixed armature is arranged at the tail end of the electromagnet shell, the front end of the electromagnet shell is connected with the tail attached shell, the front end of the fixed armature is provided with a movable armature capable of moving left and right, a winding support is arranged outside the fixed armature and the movable armature, the coil is wound on the winding support, the movable armature and the fixed armature are coaxially arranged, the center of the front end of the fixed armature is provided with a limiting sleeve protruding inwards, the periphery of the tail end of the pull rod is provided with a first annular boss, the first annular boss is arranged in the movable armature and the fixed armature, a return spring is arranged in the limiting sleeve and sleeved at the periphery of the tail end of the pull rod, two ends of the return spring respectively abut against the tail end face of the first annular boss and the front end face of the inner side of the limiting sleeve of the fixed armature, the front end of the pull rod penetrates out of the movable armature, the periphery of the front end, the tail end face of the limiting table is attached to the front end face of the movable armature, a separating spring and a top cap are sequentially sleeved on the periphery of the pull rod outer sleeve, a locking steel ball is arranged in a radial through hole formed in the front end of the pull rod outer sleeve, the front end of the pull rod is provided with a conical surface used for limiting the locking steel ball, an outer sleeve is sleeved on the periphery of the separating spring and the top cap, a positioning table is arranged at the tail end of the outer sleeve, the inside of the positioning table is abutted to the limiting table of the pull rod outer sleeve, and the positioning table is fixed with the tail attachment shell and the electromagnet outer shell through screws.

Furthermore, a limiting steel ball in stop fit with the outer sleeve is further arranged in a radial through hole formed in the rear end of the locking steel ball of the pull rod outer sleeve and used for limiting the axial movement range of the top cap, and a slide way in sliding fit with the locking steel ball and the limiting steel ball is further arranged inside the top cap.

Furthermore, the front end of the tail attached shell and the tail end of the plug shell are fixed through screws, and the tail attached shell is made of metal materials.

Furthermore, a hole cavity for installing a separation assembly is arranged beside the through holes of the front needle insulator and the rear needle insulator, the separation assembly comprises a power-assisted column which can be installed in the hole cavities of the front needle insulator and the rear needle insulator in a front-and-back movement mode, the tail end of the power-assisted column and the front end of the front needle insulator are installed in a blocking matching mode, a power-assisted spring is installed in the power-assisted column, when the plug is in butt joint with the socket, the power-assisted column is stressed to compress the power-assisted spring, and after the electromagnetic falling assembly is unlocked, the power-assisted spring is released, so that the plug is pushed to be separated from the.

Furthermore, the power assisting column is of a hollow cylinder structure with one end being an opening, a second annular boss extending towards the periphery is arranged at the opening, a third annular boss protruding inwards is arranged at the front end of the insulator in front of the needle, one end of the power assisting column with the second annular boss is arranged in the insulator in front of the needle, and the second annular boss and the third annular boss are matched to limit the axial moving range of the power assisting column.

The invention also provides a circular electromagnetic drop connector, which comprises a socket and the plug, wherein the plug is butted with the socket, the socket comprises a socket shell component and a limiting sleeve component, and the electromagnetic drop component and the limiting sleeve component are matched to realize the locking and the separation of the plug and the socket; the socket shell assembly comprises a socket shell, a hole front insulator, a hole rear insulator, a second snap spring and a plurality of insertion holes, wherein the hole front insulator and the hole rear insulator are arranged inside the socket shell through the second snap spring; the jacks are axially mounted in the hole front insulator and the hole rear insulator respectively and are used for being in butt joint with the pins respectively.

Compared with the prior art, the invention has the following beneficial effects:

according to the electromagnetic pull-off assembly, a magnetic field is generated after current is introduced into a coil, a magnetic circuit is formed by the electromagnet shell, the movable armature and the fixed armature, electromagnetic attraction is generated between the movable armature and the fixed armature, the electromagnetic attraction overcomes the restoring spring force to drive the movable armature to move, and therefore an unlocking device in the electromagnetic pull-off assembly is triggered, and the electromagnetic pull-off function is achieved. The invention changes the mode that the existing mechanical pulling-out structure pulls the pull rod to trigger the unlocking mechanism by means of inertia force, and drives the pull rod to move by electromagnetic force so as to trigger the unlocking mechanism to realize unlocking. The structure has the advantages that the unlocking can be realized only by introducing certain current without external force, so that the interference of the external force on the motion track of the aircraft can be effectively prevented.

Drawings

FIG. 1 is a cross-sectional view of a circular electromagnetic drop plug of the present invention;

FIG. 2 is a schematic view of the external structure of the circular electromagnetic release plug of the present invention;

FIG. 3 is a schematic structural view of the plug housing assembly;

FIG. 4 is a schematic structural view of an electromagnetic trip assembly;

FIG. 5 is a schematic structural view of a circular electromagnetic drop connector of the present invention;

FIG. 6 is a schematic diagram of a receptacle structure of the circular electromagnetic drop connector of the present invention;

in the figure: 1-a plug housing assembly; 1-1-pin rear insulator; 1-2-a first clamp spring; 1-3-pre-needle insulator; 1-3-1-a third annular boss; 1-4-a power-assisted spring; 1-5-a plug housing; 1-6-power-assisted column; 1-6-1-a second annular boss; 1-7-pin insertion;

2-an electromagnetic shedding assembly; 2-1-top cap; 2-2-pull rod outer sleeve; 2-2-1-a limit table; 2-3-outer sleeve; 2-3-1-a positioning table; 2-4-a tail attached shell; 2-5-winding support; 2-6-a return spring; 2-7-a fixed armature; 2-7-1-a limiting sleeve; 2-8-electromagnet housing; 2-9-coil; 2-10-a movable armature; 2-11-separation spring; 2-12-locking steel balls; 2-13-pull rod; 2-13-1-a first annular boss; 2-14-limit steel balls;

3-a receptacle housing assembly; 301-a socket housing; 302-hole front insulator; 303-hole back insulator; 304-a second circlip; 305-a jack; 306-a gasket; 307-a gasket; 308-a nut;

4-a stop collar assembly; 401-a stop collar; 4011-cylindrical bore; 4012-an annular groove; 402-stop collar tail pipe.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-2, a circular electromagnetic release plug comprises a plug housing assembly 1 and an electromagnetic release assembly 2, referring to fig. 3, the plug housing assembly 1 comprises a plug housing 1-5, a front pin insulator 1-3, a rear pin insulator 1-1, a first snap spring 1-2 and a plurality of contact pins 1-7, the front pin insulator 1-3 and the rear pin insulator 1-1 are installed in the plug housing 1-5 through the first snap spring 1-2, a through hole for the electromagnetic release assembly 2 to pass through is formed in the center of the front pin insulator 1-3 and the rear pin insulator 1-1, and the plurality of contact pins 1-7 are axially installed in the front pin insulator 1-3 and the rear pin insulator 1-1;

referring to FIG. 4, the electromagnetic shedding component 2 comprises a pull rod 2-13, a pull rod outer sleeve 2-2, a top cap 2-1, an outer sleeve 2-3, a tail attached shell 2-4, a separation spring 2-11, a locking steel ball 2-12, a movable armature 2-10, a return spring 2-6, an electromagnet shell 2-8, a fixed armature 2-7, a winding support 2-5 and a coil 2-9; the fixed armature 2-7 is arranged at the tail end of the electromagnet shell 2-8, the front end of the electromagnet shell 2-8 is connected with the tail attached shell 2-4, the front end of the fixed armature 2-7 is provided with a movable armature 2-10 capable of moving left and right, the outside of the fixed armature 2-7 and the movable armature 2-10 is provided with a winding support 2-5, the coil 2-9 is wound on the winding support 2-5, the movable armature 2-10 and the fixed armature 2-7 are coaxially arranged, the center of the front end of the fixed armature 2-7 is provided with a limiting sleeve 2-7-1 protruding inwards, the periphery of the tail end of the pull rod 2-13 is provided with a first annular boss 2-13-1, the first annular boss 2-13-1 is arranged in the movable armature 2-10 and the fixed armature 2-7, a return spring 2-6 is arranged in the limit sleeve 2-7-1 and sleeved on the periphery of the tail end of the pull rod 2-13, two ends of the return spring 2-6 are respectively abutted between the tail end face of the first annular boss 2-13-1 and the front end face of the inner side of the limit sleeve 2-7-1 of the fixed armature 2-7, the front end of the pull rod 2-13 penetrates out of the movable armature 2-10, a pull rod outer sleeve 2-2 is sleeved on the periphery of the front end of the pull rod 2-13, a limit table 2-2-1 protruding towards the periphery is arranged at the tail end of the pull rod outer sleeve 2-2, the tail end face of the limit table 2-2-1 is attached to the front end face of the movable armature 2-10, a separation spring 2-11 and a top cap 2-1 are sequentially sleeved on the periphery of the pull rod outer sleeve 2, a locking steel ball 2-12 is arranged in a radial through hole arranged at the front end of the pull rod outer sleeve 2-2, a conical surface used for limiting the locking steel ball 2-12 is arranged at the front end of the pull rod 2-13, an outer sleeve 2-3 is sleeved on the periphery of the separation spring 2-11 and the top cap 2-1, a positioning table 2-3-1 is arranged at the tail end of the outer sleeve 2-3, the inside of the positioning table 2-3-1 is abutted against the limiting table 2-2-1 of the pull rod outer sleeve 2-2, and the positioning table 2-3-1 is fixed with a tail attached shell 2-4 and an electromagnet shell 2-8 through screws.

And a limiting steel ball 2-14 in blocking fit with the outer sleeve 2-3 is further arranged in a radial through hole formed in the rear end of the locking steel ball 2-12 of the pull rod outer sleeve 2-2 and used for limiting the axial movement range of the top cap 2-1, and a slideway in sliding fit with the locking steel ball 2-12 and the limiting steel ball 2-14 is further arranged inside the top cap 2-1.

The front end of the tail attached shell 2-4 is fixed with the tail end of the plug shell 1-5 through screws, and the tail attached shell 2-4 is made of metal materials and used for achieving shielding.

The needle front insulator 1-3 and the needle rear insulator 1-1 are provided with through holes beside the through holes for mounting a separation component, the separation component comprises a power-assisted column 1-6 which can be mounted in the through holes of the needle front insulator 1-3 and the needle rear insulator 1-1 in a back-and-forth movement mode, the tail end of the power-assisted column 1-6 and the front end of the needle front insulator 1-3 are in blocking fit mounting, a power-assisted spring 1-4 is mounted in the power-assisted column 1-6, when the plug is in butt joint with the socket, the power-assisted column 1-6 is stressed to compress the power-assisted spring 1-4, and after the electromagnetic falling component 2 is unlocked, the power-assisted spring 1-4 is released, so that the plug is pushed to be separated from the socket.

The boosting column 1-6 is of a hollow cylinder structure with an opening at one end, a second annular boss 1-6-1 extending towards the periphery is arranged at the opening, a third annular boss 1-3-1 protruding inwards is arranged at the front end of the needle front insulator 1-3, one end, provided with the second annular boss 1-6-1, of the boosting column 1-6 is arranged in the needle front insulator 1-3, and the second annular boss 1-6-1 and the third annular boss 1-3-1 are matched to limit the axial movement range of the boosting column 1-6.

Referring to fig. 5, the invention further provides a circular electromagnetic drop connector, which comprises a socket and the plug, wherein the plug is butted with the socket, and referring to fig. 6, the socket comprises a socket shell component 3 and a spacing sleeve component 4, and the electromagnetic drop component 2 and the spacing sleeve component 4 are matched to realize the locking and the separation of the plug and the socket; the socket shell assembly 3 comprises a socket shell 301, a hole front insulator 302, a hole rear insulator 303, a second snap spring 304 and a plurality of jacks, wherein the hole front insulator 302 and the hole rear insulator 303 are installed inside the socket shell 301 through the second snap spring 304, through holes for installing a limiting sleeve assembly 4 are formed in the centers of the hole front insulator 302 and the hole rear insulator 303, the limiting sleeve assembly 4 comprises a limiting sleeve 401 and a limiting sleeve tail pipe 402 fixed outside the front end of the limiting sleeve 401 through threaded connection, a gasket 306, a washer 307 and a nut 308 are sequentially installed on the periphery of the tail end of the limiting sleeve 401, the limiting sleeve 401 is matched with the hole front insulator 302 and the hole rear insulator 303 through the limiting sleeve tail pipe 402 and the nut 308 to be fixed, a cylindrical hole 4011 axially arranged is formed inside the front end of the limiting sleeve 401, and an annular groove 4012 is formed in the cylindrical hole 4011; the plurality of receptacles are axially mounted in the pre-bore insulator 302 and the post-bore insulator 303, respectively, for interfacing with the plurality of pins 1-7, respectively.

A magnetic field is generated after current is introduced into coils 2-9, a magnetic circuit is formed by electromagnet shells 2-8, movable armatures 2-10 and fixed armatures 2-7, electromagnetic attraction is generated between the movable armatures 2-10 and the fixed armatures 2-7, the electromagnetic attraction overcomes the force of a return spring 2-6 to drive the movable armatures 2-10 to move, and therefore an unlocking device in an electromagnetic pull-off assembly 2 is triggered, and the electromagnetic pull-off function is achieved.

Referring to fig. 5, during locking, the socket moves rightwards under the action of external force, the compression assisting springs 1-4 store energy, the limiting sleeve 401 pushes the top cap 2-1 to compress the separation springs 2-11 rightwards to move, the return springs 2-6 push the pull rod 2-13, the pull rod 2-13 drives the movable armature 2-10 to move leftwards together, the locking steel balls 2-12 in the pull rod outer sleeve 2-2 are pushed into the annular groove 4012 of the limiting sleeve 401, the pull rod 2-13 continues to move leftwards for a short distance, so that the locking steel balls 2-12 can not retract into the pull rod outer sleeve 2-2, the limiting sleeve 401 is connected with the pull rod outer sleeve 2-2 through the locking steel balls 2-12, the plug is locked with the socket, and at the moment, the jack component 12 of the socket is contacted with the contact pins 1-7 on the plug, and the signal conduction is realized.

When unlocking, certain current is firstly led into the coils 2-9, and the movable armatures 2-10 axially move towards one side of the fixed armatures 2-7 by a magnetic field generated after the coil is electrified, so that the pull rods 2-13 are driven to move rightwards, and a space is provided for retracting the locking steel balls 2-12. Meanwhile, the top cap 2-1 moves leftwards under the action of the force of the separation spring 2-11, the locking steel ball 2-12 is pressed back into the pull rod outer sleeve 2-2 by the top cap 2-1 after losing the limit of the pull rod 2-13, the limiting sleeve 401 is ejected out by the top cap 2-1 after losing the limit of the locking steel ball 2-12, unlocking is achieved, after the unlocking, the stored energy of the power-assisted spring 1-4 is released, and the plug and the socket are pushed to be separated.

The invention changes the mode that the existing mechanical pulling-out structure pulls the pull rod to trigger the unlocking mechanism by means of inertia force, and drives the pull rod to move by electromagnetic force so as to trigger the unlocking mechanism to realize unlocking. The structure has the advantages that the unlocking can be realized only by introducing certain current without external force, so that the interference of the external force on the motion track of the aircraft can be effectively prevented. Compared with the traditional mechanical pulling-off structure, the structure has the advantages of rapid unlocking, convenient operation and safe use.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.