CN114465050B

CN114465050B - Docking mechanism of missile connector

Info

Publication number: CN114465050B
Application number: CN202210386826.0A
Authority: CN
Inventors: 闫振强; 张珊; 朱文飞
Original assignee: Tianjin Aerospace Hexing Technology Co ltd; Beijing Aerospace Hexing Technology Co Ltd
Current assignee: Tianjin Aerospace Hexing Technology Co ltd; Beijing Aerospace Hexing Technology Co Ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-06-07
Anticipated expiration: 2042-04-14
Also published as: CN114465050A

Abstract

The invention relates to the technical field of connectors, and particularly provides a docking mechanism of a missile connector, which comprises a socket, a plug, a mounting seat and a base, wherein a step hole is formed in the mounting seat, the plug is slidably mounted in the step hole, a supporting plate is fixed at the bottom of the plug, two guide posts are arranged on the mounting seat, the supporting plate is slidably connected with the two guide posts, and a plugging device is arranged below the supporting plate; the plug pulling device comprises a screw rod, the screw rod is fixed below the supporting plate, the threaded sleeve is installed on the sliding frame, the threaded sleeve is in threaded fit with the screw rod, the outer gear sleeve is fixed on the threaded sleeve, the rack is fixed on the base and meshed with the outer gear sleeve, the supporting plate at the bottom of the plug is pushed by the screw rod of the plug pulling device, plug pulling and plug connecting of the plug and the socket are achieved, the plug is guided through the mounting seat and the guide column in the plug pulling process, the plug is prevented from being damaged due to collision in the plug pulling process, and the plug can be also protected in a step hole of the mounting seat after being pulled out.

Description

Docking mechanism of missile connector

Technical Field

The invention relates to the technical field of connectors, in particular to a butt joint mechanism of a missile connector.

Background

The missile is detected and powered in the launching box through the falling plug and the socket, the socket is radially installed on the missile, the plug is installed on an upper connecting rod of a four-bar mechanism of the launching box, and when the missile is launched, the connecting rods on two sides of the four-bar mechanism move forwards and downwards by driving a guide pin on the plug, so that the plug and the socket are separated.

The chinese patent publication No. CN114142309A discloses a docking mechanism for missile connectors, which includes a socket disposed on the missile body, a plug in plug-in fit with the socket, a mounting seat, and a groove cam disposed on the inner wall of the launch canister; the plug is fixedly connected with the mounting seat, a cylindrical pin is arranged on the plug or the mounting seat, and the groove cam comprises a cam groove track hole; the cylindric lock sets up downthehole at cam slot orbit, and the cylindric lock can follow the orbit removal in cam slot orbit hole for guide plug and mount pad two move to the one side of keeping away from the body when to launching tube outlet motion. This patent is through being provided with plug and socket of grafting complex, with the mount pad of socket fastening connection, slot cam and cylindric lock and the cooperation of cam slot orbit hole, makes the combination of plug and mount pad can be along with the projectile motion, and the two of guide plug and mount pad moves to the one side of keeping away from the projectile, has improved the reliability and the stability of plug and socket separation. However, the patent still has some disadvantages: 1. after the plug is completely pulled out of the socket, the plug is directly exposed outside, and at the moment, the missile still moves forwards, so that the plug and the missile body are easily rubbed, and the plug is bent due to radial shear force. 2. The plug and the mounting seat are separated simultaneously, and when separation is to be completed, only part of the plug and the mounting seat is connected with the socket, so that the plug is larger in radial shearing force and easy to damage.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problem that the plug is easily damaged due to overlarge radial force in the plugging and unplugging process, the invention provides a butt joint mechanism of a missile connector to solve the problem.

The technical scheme adopted by the invention for solving the technical problems is as follows: a docking mechanism of a missile connector comprises a socket arranged on a missile body, a plug used for being in plug-in fit with the socket, a mounting seat and a base arranged on the inner wall of a launching box, wherein a step hole is formed in the mounting seat, the plug is slidably mounted in the step hole, a supporting plate is fixed at the bottom of the plug, two guide posts arranged in parallel are arranged on the mounting seat, the supporting plate is slidably connected with the two guide posts, and a plug-pull device is arranged below the supporting plate;

the pulling and inserting device comprises a screw, a threaded sleeve, a sliding frame, an outer gear sleeve and a rack, the screw is fixed below the supporting plate, the threaded sleeve is rotatably mounted on the sliding frame, the threaded sleeve is in threaded fit with the screw, the outer gear sleeve is fixed on the outer wall of the threaded sleeve, the rack is fixed on the base and meshed with the outer gear sleeve, the length direction of the rack is parallel to the course of the missile, and the screw, the threaded sleeve and the outer gear sleeve are coaxial.

Preferably, two sides of the sliding frame extend outwards to form auxiliary lugs, the guide post penetrates through the auxiliary lugs and is in sliding connection with the auxiliary lugs, a limiting ring is further fixed on the guide post and is located between the supporting plate and the auxiliary lugs, a return spring is further arranged between the limiting ring and the auxiliary lugs, the return spring is sleeved on the guide post, and two ends of the return spring are respectively abutted to the limiting ring and the auxiliary lugs.

Preferably, the upper surface of the mounting seat is further provided with clamping blocks, the two clamping blocks are symmetrically arranged around the axis center of the stepped hole, the socket is provided with clamping grooves corresponding to the clamping blocks, and the clamping blocks can be clamped with the clamping grooves.

Preferably, the two ends of the base are provided with support legs, the center of the base is provided with a sliding channel, the rack is fixed on the inner side wall of the sliding channel, the threaded sleeve is arranged in the sliding channel, and the sliding frame is in sliding connection with the outer side wall of the sliding channel.

Preferably, the bottoms of the two guide columns are fixedly connected through a movable limiting block, a top block matched with the movable limiting block is further arranged on the base, a slope is arranged at the lower end of the movable limiting block, and the movable limiting block can slide along the upper surface of the top block.

Preferably, when the movable limiting block slides along the upper surface of the top block, the distance between the limiting ring and the auxiliary lug is kept unchanged.

Preferably, the lower end of the mounting seat is provided with a guide cylinder, the inner diameter of the guide cylinder is the same as the small diameter of the stepped hole, and the plug is inserted into the guide cylinder and is in sliding connection with the guide cylinder.

Preferably, the maximum stroke between the lower end face of the supporting plate and the upper end face of the limiting ring is larger than the maximum stroke between the lower end face of the limiting ring and the upper end face of the auxiliary lug.

Preferably, the maximum stroke of the movement of the screw along the threaded sleeve is greater than the maximum stroke of the pallet.

The plug and socket combined type plug and socket device has the advantages that firstly, the supporting plate at the bottom of the plug is pushed through the screw rod of the plug and socket device, plug and socket connection is achieved, the plug is guided through the mounting seat and the guide post in the plug and socket process, the plug is prevented from being collided and damaged in the plug and socket process, and the plug can be collected into the step hole of the mounting seat for protection after being pulled out;

and secondly, a limiting ring is arranged on the guide post, and when the mounting seat and the plug are inserted, the mounting seat and the plug are matched with the supporting plate through the limiting ring, so that the mounting seat is inserted and then pulled out, the plug is inserted and then pulled out, and the mounting seat is ensured to always protect the plug in the process that the plug is pulled out and inserted.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a preferred embodiment of the docking mechanism of the missile connector of the present invention;

FIG. 2 is a schematic view of the overall structure of a docking mechanism of a missile connector according to the invention;

FIG. 3 is a schematic view of the docking mechanism of the missile connector showing the plug disengaged state;

FIG. 4 is a schematic view of the docking mechanism of the missile connector of the present invention with the mounting socket disengaged;

FIG. 5 is a half-sectional view of a docking mechanism of a missile connector of the present invention;

FIG. 6 is a schematic structural diagram of a plugging device of a docking mechanism of a missile connector;

FIG. 7 is a schematic view of the structure of the base of the docking mechanism of the missile connector.

Reference numerals: 1. a body of elastomer; 2. a socket; 3. a plug; 4. a mounting seat; 5. a base; 6. a stepped bore; 7. a support plate; 8. a guide post; 9. a screw; 10. a threaded sleeve; 11. a carriage; 12. an outer gear sleeve; 13. a rack; 14. a sub-ear; 15. a limiting ring; 16. a return spring; 17. a clamping block; 18. a support leg; 19. a slide channel; 20. a movable limiting block; 21. a top block; 22. a slope surface; 23. and a guide cylinder.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 7, the invention provides an embodiment of a docking mechanism of a missile connector, which comprises a socket 2 arranged on a missile body 1 and a plug 3 used for being in plug-in fit with the socket 2, wherein the plug 3 is inserted into the socket 2, so that online detection and power supply of a missile in a launching box can be realized, the docking mechanism is integrally fixed in the launching box through the base 5, the plug 3 is fixed through the mounting seat 4, so that the connection between the plug 3 and the socket 2 is more stable, the plug 3 is prevented from being loosened due to shaking in a transportation process, the upper surface of the mounting seat 4 is provided with clamping blocks 17, the two clamping blocks 17 are symmetrically arranged around the axis center of a stepped hole 6, the socket 2 is provided with clamping grooves corresponding to the clamping blocks 17, the clamping blocks 17 can be clamped with the clamping grooves, the mounting seat 4 is fixed through the matching of the clamping blocks 17 and the clamping grooves, meanwhile, the installation base 4 can play a role in guiding in the process of connecting the installation base 4 with the socket 2, so that the installation base 4 can be aligned to the socket 2, the installation base 4 is also provided with a step hole 6, the plug 3 is slidably installed in the step hole 6 and can be retracted into the step hole 6 when the plug 3 is not used to protect the plug 3 and prevent the plug 3 from being damaged in the missile filling and launching processes, the lower end of the installation base 4 is provided with a guide cylinder 23, the inner diameter of the guide cylinder 23 is the same as the small diameter of the step hole 6, so that the plug 3 can smoothly slide along the inner walls of the guide cylinder 23 and the step hole 6, the plug 3 is inserted into the guide cylinder 23 and is slidably connected with the guide cylinder 23, after the installation base 4 is completely inserted into the socket 2, the plug 3 moves along the guide cylinder 23 and extends out of the step hole 6 to be inserted into the socket 2, so that the alignment of the plug 3 and the socket 2 can be ensured, and the damage of pins caused by the insertion failure of the plug 3 can be prevented, a supporting plate 7 is fixed at the bottom of the plug 3, the supporting plate 7 supports the plug 3, so that the plug 3 can be inserted into the socket 2, two guide posts 8 which are arranged in parallel are arranged on the mounting seat 4, the supporting plate 7 is in sliding connection with the two guide posts 8, the supporting plate 7 is guided through the guide posts 8, the situation that the plug 3 is failed to be connected due to the fact that the supporting plate 7 inclines in the moving process is prevented, and a plugging device is arranged below the supporting plate 7;

the plugging device comprises a screw rod 9, a threaded sleeve 10, a sliding frame 11, an outer gear sleeve 12 and a rack 13, wherein the screw rod 9 is fixed below the supporting plate 7, the threaded sleeve 10 is rotatably installed on the sliding frame 11, the threaded sleeve 10 is in threaded fit with the screw rod 9, the screw rod 9 can move along the axial direction of the threaded sleeve 10 by rotating the threaded sleeve 10, the screw rod 9, the threaded sleeve 10 and the outer gear sleeve 12 are coaxial, so that the screw rod 9 can realize lifting action, the screw rod 9 can bear larger axial load and cannot bend and shake during lifting, the stability of the plug 3 is maintained, the maximum stroke of the screw rod 9 moving along the threaded sleeve 10 is larger than that of the supporting plate 7, the plug 3 can be stably inserted into the socket 2 after the supporting plate 7 is moved in place, and the outer gear sleeve 12 is fixed on the outer wall of the threaded sleeve 10, the rack 13 is fixed on the base 5 and meshed with the outer gear sleeve 12, and the length direction of the rack 13 is parallel to the course of the missile, so that the outer gear sleeve 12 can be stably meshed with the rack 13 in the course of moving along the course.

Two sides of the sliding frame 11 extend outwards to form auxiliary lugs 14, the guide post 8 penetrates through the auxiliary lugs 14 and is in sliding connection with the auxiliary lugs 14, the mounting seat 4 transmits acting force to the auxiliary lugs 14 through the guide post 8, the sliding frame 11 is driven to move through the auxiliary lugs 14, a limiting ring 15 is further fixed on the guide post 8, the limiting ring 15 is located between the supporting plate 7 and the auxiliary lugs 14, a reset spring 16 is further arranged between the limiting ring 15 and the auxiliary lugs 14, the reset spring 16 is sleeved on the guide post 8, two ends of the reset spring are respectively abutted to the limiting ring 15 and the auxiliary lugs 14, in the process that the supporting plate 7 rises, the reset spring 16 resets to push the limiting ring 15, the guide post 8 and the mounting seat 4 can move upwards along with the supporting plate 7 and the plug 3, the plug 3 can be contained in the step hole 6 on the mounting seat 4 all the time, the plug 3 is protected all the time, the maximum stroke from the lower end face of the supporting plate 7 to the upper end face of the limiting ring 15 is larger than that from the lower end face of the limiting ring 15 to the upper end face of the auxiliary lugs 14 The biggest stroke, the distance between layer board 7 and the spacing ring 15 is greater than the distance between spacing ring 15 and the auxiliary ear 14 promptly, consequently make spacing ring 15 after rebound target in place, also be exactly the mount pad 4 and socket 2 peg graft and accomplish the back, plug 3 can continue rebound, realize the grafting action with socket 2, and when extracting plug 3, plug 3 at first moves down, can not promote spacing ring 15 and remove yet, make mount pad 4 can continue to keep the grafting state with socket 2, spacing ring 15 and layer board 7 cooperation, make mount pad 4 can lead plug 3 all the time at the in-process of inserting of pulling out, avoid plug 3 to take place to damage at the in-process of inserting of pulling out.

When the plug 3 and the socket 2 need to be separated, the missile moves along the course to drive the socket 2 and the mounting seat 4 to integrally move, the mounting seat 4 drives the sliding frame 11 to move in the moving process, the sliding frame 11 drives the outer gear sleeve 12 to move along the rack 13 in the moving process, the outer gear sleeve 12 drives the threaded sleeve 10 to rotate in the moving process, the threaded sleeve 10 rotates to enable the screw 9 to downwards move, the supporting plate 7 and the plug 3 connected with the threaded sleeve to downwards move along the direction of the guide post 8 until the supporting plate is abutted against the limiting ring 15, the plug 3 retracts into the stepped hole 6 and is completely separated from the socket 2, the outer gear sleeve 12 continuously forwards moves to enable the screw 9 to drive the supporting plate 7 to continuously descend, and the supporting plate 7 is abutted against the limiting ring 15 at this time, so that the limiting ring 15 and the guide post 8 are integrally descended in the descending process of the supporting plate 7, and the mounting seat 4 descends and is separated from the socket 2, the plug and unplug device is arranged, so that the mounting seat 4 is always connected with the socket 2 in the separation process of the plug 3 and the socket 2, and the movement of the plug 3 is guided through the guide cylinder 23 on the mounting seat 4, so that the plug 3 is prevented from being damaged due to overlarge radial shearing force in the process of pulling out the socket 2, meanwhile, the plug 3 immediately enters the stepped hole 6 on the mounting seat 4 after pulling out the socket 2, the time that the plug 3 is exposed outside can also be effectively reduced, the plug 3 is prevented from directly contacting with the surface of a guided missile, and the plug 3 is prevented from being damaged by the missile body 1; when the plug 3 and the socket 2 are connected, the plug 3 can be positioned only by aligning and clamping the clamping block 17 and the clamping groove, then the projectile body 1 is pushed to enable the projectile body 1 to move in the opposite direction of the course, the threaded sleeve 10 can be driven to rotate in the opposite direction through the outer gear sleeve 12, the screw rod 9 and the supporting plate 7 are lifted, and the plug 3 is smoothly inserted into the socket 2.

Base 5's both ends have stabilizer blade 18, raise base 5 through stabilizer blade 18, avoid carriage 11 to produce the friction with the inner wall of transmission box at the removal in-process, sliding channel 19 has been seted up at base 5's center, rack 13 is fixed on sliding channel 19's inside wall, threaded sleeve 10 sets up in sliding channel 19, carriage 11 and sliding channel 19's lateral wall sliding connection, cooperate with sliding channel 19 through carriage 11, support and stabilize mount pad 4 and plug 3, prevent that plug 3 from taking place to rock at the guided missile removal in-process, ensure that plug 3 and socket 2 can pull out smoothly and insert.

The bottoms of the two guide posts 8 are fixedly connected through a movable limiting block 20, the base 5 is also provided with a top block 21 matched with the movable limiting block 20, the lower end of the movable limiting block 20 is provided with a slope 22, the movable limiting block 20 can slide along the upper surface of the top block 21, when the plug 3 is plugged with the socket 2, the upper end of the guide post 8 supports the mounting seat 4 to be connected with the socket 2, the lower end of the guide post 8 is fixedly connected with the movable limiting block 20, the movable stopper 20 always slides along the upper surface of the top block 21, so that the distance between the stopper ring 15 and the sub-lug 14 is kept unchanged, the supporting plate 7 can move along the guide post 8 to perform the plugging and unplugging actions on the plug 3, and on the other hand, after plug 3 and mount pad 4 all pegged graft with socket 2, also can carry on spacingly through kicking block 21 to guide post 8, avoid mount pad 4 and plug 3 to cause the pine to take off because of rocking.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a docking mechanism of guided missile connector, including setting up socket (2) on projectile body (1), be used for with socket (2) grafting complex plug (3), mount pad (4) and setting are at base (5) of launching box inner wall, its characterized in that: a step hole (6) is formed in the mounting seat (4), the plug (3) is slidably mounted in the step hole (6), a supporting plate (7) is fixed at the bottom of the plug (3), two guide posts (8) arranged in parallel are arranged on the mounting seat (4), the supporting plate (7) is slidably connected with the two guide posts (8), and a plugging device is arranged below the supporting plate (7);

the pulling and inserting device comprises a screw rod (9), a threaded sleeve (10), a sliding frame (11), an outer gear sleeve (12) and a rack (13), wherein the screw rod (9) is fixed below the supporting plate (7), the threaded sleeve (10) is rotatably installed on the sliding frame (11), the threaded sleeve (10) is in threaded fit with the screw rod (9), the outer gear sleeve (12) is fixed on the outer wall of the threaded sleeve (10), the rack (13) is fixed on the base (5) and meshed with the outer gear sleeve (12), the length direction of the rack (13) is parallel to the course of a guided missile, and the screw rod (9), the threaded sleeve (10) and the outer gear sleeve (12) are coaxial.

2. The docking mechanism for a missile connector as claimed in claim 1 wherein: the both sides of carriage (11) outwards extend and form auxiliary ear (14), guide post (8) run through auxiliary ear (14) and with auxiliary ear (14) sliding connection, still be fixed with spacing ring (15) on guide post (8), spacing ring (15) are located layer board (7) with between auxiliary ear (14), spacing ring (15) with still be provided with reset spring (16) between auxiliary ear (14), reset spring (16) cover is established on guide post (8) and its both ends respectively with spacing ring (15) and auxiliary ear (14) butt.

3. A docking mechanism for a missile connector as claimed in claim 2 wherein: the upper surface of the mounting seat (4) is further provided with clamping blocks (17), the two clamping blocks (17) are symmetrically arranged around the axis of the stepped hole (6), clamping grooves are formed in the socket (2) corresponding to the clamping blocks (17), and the clamping blocks (17) can be clamped with the clamping grooves.

4. A docking mechanism for a missile connector as claimed in claim 3 wherein: both ends of base (5) have stabilizer blade (18), sliding channel (19) have been seted up at the center of base (5), rack (13) are fixed on the inside wall of sliding channel (19), threaded sleeve (10) set up in sliding channel (19), carriage (11) with the lateral wall sliding connection of sliding channel (19).

5. The docking mechanism for a missile connector as claimed in claim 4 wherein: two the bottom of guide post (8) is through activity stopper (20) fixed connection, still be provided with on base (5) be used for with activity stopper (20) complex kicking block (21), the lower extreme of activity stopper (20) has domatic (22), activity stopper (20) can be followed the upper surface of kicking block (21) slides.

6. The docking mechanism for a missile connector as claimed in claim 5 wherein: when the movable limiting block (20) slides along the upper surface of the top block (21), the distance between the limiting ring (15) and the auxiliary lug (14) is kept unchanged.

7. The docking mechanism for a missile connector as claimed in claim 6 wherein: the lower end of the mounting seat (4) is provided with a guide cylinder (23), the inner diameter of the guide cylinder (23) is the same as the small diameter of the stepped hole (6), and the plug (3) is inserted into the guide cylinder (23) and is in sliding connection with the guide cylinder (23).

8. The docking mechanism for a missile connector as claimed in claim 7 wherein: the maximum stroke from the lower end face of the supporting plate (7) to the upper end face of the limiting ring (15) is larger than the maximum stroke from the lower end face of the limiting ring (15) to the upper end face of the auxiliary lug (14).

9. The docking mechanism for a missile connector as claimed in claim 8 wherein: the maximum stroke of the movement of the screw (9) along the threaded sleeve (10) is greater than the maximum stroke of the supporting plate (7).