CN112134081A

CN112134081A - Movable anti-drop plug and socket

Info

Publication number: CN112134081A
Application number: CN202011117711.9A
Authority: CN
Inventors: 王俊粤
Original assignee: Ningbo Bianxue Electronic Technology Co ltd
Current assignee: Ningbo Bianxue Electronic Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2020-12-25

Abstract

The invention relates to the field of plug and socket, and discloses a movable anti-drop plug and socket, which comprises a main box body, wherein a socket cavity with a right opening is arranged in the main box body, friction plates are symmetrically arranged on the upper end wall and the lower end wall of the socket cavity, a socket is connected on the inner end surface of each friction plate in a sliding fit manner, a moving plate cavity is symmetrically arranged in the socket from top to bottom, the right end wall of the moving plate cavity is communicated with a connecting plate through cavity with a right opening, a plug is automatically inserted into the connecting plate, when in use, the on-off of the plug and the socket can be realized only by controlling the button, so that the use of the plug and the socket is more convenient and safer, simultaneously the problem that the jacks are exposed outside is solved, the use safety of the socket is improved, and possess certain waterproof dustproof function, in addition, the socket wire can stretch and contract, has avoided leading to the condition of unable grafting because of electrical apparatus plug length is not enough, has made things convenient for the use of socket in daily life.

Description

Movable anti-drop plug and socket

Technical Field

The invention relates to the relevant field of plugs and sockets, in particular to a movable anti-drop plug and socket.

Background

The socket is under normal use condition, for the state of can supplying power at any time, the jack is not sealed and is the open state, receive the influence of water and dust easily, the security of socket use has been reduced, and owing to expose in the external world, need the manual plug of connecing of people, if carelessly can cause the electric shock accident, if the handheld metal foreign matter of child, also take place the condition of electrocuteeing easily, in addition, in the general fixed wall body of socket in the real life, electrical apparatus plug electric wire length is not enough and the condition that leads to unable grafting takes place occasionally.

Disclosure of Invention

The invention aims to provide a movable anti-drop plug and socket, which can overcome the defects in the prior art, thereby improving the practicability of equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a movable anti-falling plug and socket, which comprises a main box body, wherein a socket cavity with a right opening is arranged in the main box body, friction plates are symmetrically arranged on the upper end wall and the lower end wall of the socket cavity, the inner end surface of each friction plate is connected with a socket in a sliding fit manner, moving plate cavities are symmetrically arranged in the socket in the upper direction and the lower direction, the right end wall of each moving plate cavity is communicated with a connecting plate through cavity with a right opening, a moving connecting plate which extends into the moving plate cavity leftwards and extends into the socket cavity rightwards is connected in a sliding fit manner in the connecting plate through cavity, a plug seat is fixedly connected to the right end surface of the moving connecting plate, a plug cavity with a right opening is arranged in the plug seat, an access through cavity with a left opening is symmetrically arranged in the upper direction and the lower direction of the left end, the plug inserts chamber left end wall fixedly connected with sheetmetal, be equipped with in the socket and be located the left pulley chamber in removal board chamber, the up-and-down symmetry normal running fit in the right end wall in pulley chamber is connected with and extends to left the pulley intracavity and runs through right the vice pulley shaft in removal board chamber, screw-thread fit is connected with and is located the movable plate in the movable plate intracavity, the movable plate with remove connecting plate fixed connection, pulley chamber left side is equipped with the transmission gear chamber, transmission gear chamber lower wall intercommunication is equipped with the sleeve chamber, sleeve chamber front end wall intercommunication is equipped with the wire gear shaft, wire gear shaft right side is equipped with worm gear chamber, worm gear chamber rear side is equipped with and is located the line wheel chamber of sleeve chamber upside, line wheel chamber rear side is equipped with the ratchet chamber.

On the basis of the technical scheme, be equipped with the opening in the socket to left side ejector pad chamber, side ejector pad intracavity sliding fit is connected with the side ejector pad, side ejector pad right-hand member face with fixedly connected with side ejector pad spring between the right-hand member wall of side ejector pad chamber, end wall intercommunication is equipped with the response slider chamber under the side ejector pad chamber, response slider intracavity sliding fit is connected with the response slider, the response slider under the terminal surface with fixedly connected with response slider spring between the end wall under the response slider chamber, be equipped with the ascending ejector pad chamber of opening in the socket, it is connected with the ejector pad to go up ejector pad intracavity sliding fit, go up under the ejector pad terminal surface with fixedly connected with ejector pad spring between the end wall under the ejector pad chamber.

On the basis of the technical scheme, a motor positioned on the left side of a sleeve cavity is arranged in the socket, the right end face of the motor is fixedly connected with a driving shaft which extends rightwards into the sleeve cavity, the driving shaft is connected with a sleeve in a spline fit manner, a sleeve cavity with a leftward opening is arranged in the sleeve, a sleeve gear positioned in the sleeve cavity is fixedly connected onto the sleeve, the right end face of the sleeve is connected with a sleeve disc in a rotating fit manner, a sleeve disc spring is fixedly connected between the right end face of the sleeve disc and the right end wall of the sleeve cavity, the right end face of the sleeve disc is also fixedly connected with a first pull rope, the other end of the first pull rope is fixedly connected with the lower end face of the upper push block, the left end wall of the transmission gear cavity is connected with a driving pulley shaft which extends leftwards into the transmission gear cavity and rightwards into the pulley cavity in a rotating fit manner, the auxiliary belt wheel shaft is fixedly connected with an auxiliary belt wheel positioned in the belt wheel cavity, a conveying belt is connected between the auxiliary belt wheel and the driving belt wheel in a power fit mode, a transmission gear positioned in the transmission gear cavity is further fixedly connected to the driving belt wheel shaft, and the transmission gear is meshed with the sleeve gear.

On the basis of the technical scheme, the right end wall of the lead gear shaft is connected with a worm gear shaft which extends leftwards into the lead gear shaft and rightwards into the worm gear cavity in a rotating matching manner, the worm gear shaft is fixedly connected with a lead gear positioned in the lead gear shaft, the worm gear shaft is also fixedly connected with a worm gear positioned in the worm gear cavity, a worm shaft which extends forwards into the worm gear cavity and backwards extends into the ratchet cavity is connected between the front end wall and the rear end wall of the wire wheel cavity in a rotating matching manner, the worm shaft is fixedly connected with a worm positioned in the worm gear cavity, the worm is meshed with the worm gear, the wire wheel positioned in the wire wheel cavity is fixedly connected onto the worm shaft, a lead is wound on the wire wheel, one end of the lead is fixedly connected with the left end face of the metal sheet, and the other end of the lead extends to the wall body and, the ratchet mechanism is characterized in that a rotating spring cavity is communicated with the rear end wall of the ratchet cavity, the other end of the rear end face of the worm shaft is fixedly connected with a rotating spring fixedly connected with the rear end wall of the rotating spring cavity, and a ratchet wheel positioned in the ratchet cavity is fixedly connected to the worm shaft.

On the basis of the technical scheme, the upper end wall of the ratchet cavity is communicated with a ratchet slider cavity, a ratchet slider is connected in the ratchet slider cavity in a sliding fit manner, a ratchet cavity with a downward opening is arranged in the ratchet slider, a ratchet connecting block is fixedly connected between the front end wall and the rear end wall of the ratchet cavity, a ratchet is connected on the ratchet connecting block in a rotating fit manner, a ratchet slider spring is fixedly connected between the upper end surface of the ratchet slider and the upper end wall of the ratchet slider cavity, a second pull rope is further fixedly connected on the upper end surface of the ratchet slider, and the other end of the second pull rope is fixedly connected with the lower end surface of the induction slider.

On the basis of the technical scheme, the upper end wall and the lower end wall of the plug cavity are symmetrically communicated and provided with fixed block cavities with inward openings, the fixed block cavities are connected with fixed blocks in a sliding fit manner, fixed block springs are fixedly connected between the outer end faces of the fixed blocks and the outer end walls of the fixed block cavities, fixed knob cavities with rightward openings are arranged in the plug seat, the outer end walls of the fixed knob cavities are communicated and annularly provided with stopper cavities, fixed knobs are connected in the fixed knob cavities in a sliding fit manner, part of the stoppers which are positioned in the stopper cavities are fixedly connected to the fixed knobs, the stoppers are connected with the stopper cavities in a sliding fit manner, knob friction plates are arranged on the fixed knobs in a surrounding manner, the outer end walls of the fixed knobs are fixedly connected with third pull ropes, the other ends of the third pull ropes are fixedly connected with the upper end faces of the, the other end of the fourth pull rope is fixedly connected with the lower end face of the lower fixing block, and a friction pad is annularly arranged on the plug seat.

The invention has the beneficial effects that: insert the plug through the socket is automatic, only need control button can realize socket plug's circular telegram outage when using, make socket plug's use more convenient safety, solved the jack simultaneously and exposed at external problem, improved the security of socket use, possess certain waterproof dustproof function moreover, in addition, the socket wire can be elongated and shrink, avoided leading to the unable condition of pegging graft because of electrical apparatus plug length is not enough, made things convenient for the use of socket in daily life.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

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

FIG. 1 is a schematic view of the entire structure of a movable anti-drop plug and socket of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of B-B in FIG. 2;

FIG. 4 is a schematic cross-sectional view of C-C of FIG. 1;

fig. 5 is an enlarged schematic view of the structure at D in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Combine accompanying drawing 1-5 a movable anti-drop plug and socket, including main box 10, be equipped with opening right socket cavity 20 in the main box 10, end wall symmetry is equipped with friction board 11 about socket cavity 20, terminal surface sliding fit is connected with socket 31 in the friction board 11, longitudinal symmetry is equipped with movable plate cavity 26 in the socket 31, movable plate cavity 26 right-hand member wall intercommunication is equipped with opening right connecting plate logical chamber 35, connecting plate logical chamber 35 sliding fit is connected with and extends to left in the movable plate cavity 26 and extend to right the movable connecting plate 29 in the socket cavity 20, movable connecting plate 29 right-hand member face fixedly connected with plug seat 32, be equipped with opening right plug cavity 34 in the plug seat 32, plug cavity 34 left end wall longitudinal symmetry intercommunication is equipped with opening left access logical chamber 33 about the end wall, longitudinal symmetry is equipped with in the socket 31 with access logical chamber 33 correspond and opening right plug access chamber 30 The left end wall of the plug access cavity 30 is fixedly connected with a metal sheet 27, a belt wheel cavity 66 positioned at the left side of the moving plate cavity 26 is arranged in the socket 31, the right end wall of the pulley cavity 66 is connected with a secondary pulley shaft 68 which extends leftwards into the pulley cavity 66 and rightwards penetrates through the movable plate cavity 26 in a vertically symmetrical and rotating matching manner, the secondary pulley shaft 68 is connected with the moving plate 28 positioned in the moving plate cavity 26 in a threaded fit manner, the moving plate 28 is fixedly connected with the moving connecting plate 29, a transmission gear cavity 21 is arranged at the left side of the belt wheel cavity 66, the lower end wall of the transmission gear cavity 21 is communicated with a sleeve cavity 41, the front end wall of the sleeve cavity 41 is communicated with a lead gear shaft 38, the right side of the wire gear shaft 38 is provided with a worm gear cavity 64, the rear side of the worm gear cavity 64 is provided with a wire wheel cavity 49 positioned on the upper side of the sleeve cavity 41, and the rear side of the wire wheel cavity 49 is provided with a ratchet wheel cavity 50.

In addition, in an embodiment, a left-side push block cavity 16 with an opening is arranged in the socket 31, a side push block 17 is connected in the side push block cavity 16 in a sliding fit manner, a side push block spring 18 is fixedly connected between the right end face of the side push block 17 and the right end wall of the side push block cavity 16, a sensing slider cavity 12 is communicated with the lower end wall of the side push block cavity 16, a sensing slider 15 is connected in the sensing slider cavity 12 in a sliding fit manner, a sensing slider spring 14 is fixedly connected between the lower end face of the sensing slider 15 and the lower end wall of the sensing slider cavity 12, an upward push block cavity 22 with an opening is arranged in the socket 31, an upward push block 23 is connected in the upward push block cavity 22 in a sliding fit manner, and an upward push block spring 24 is fixedly connected between the lower end face of the upward push block 23 and the lower end wall of.

In addition, in one embodiment, a motor 40 is disposed in the socket 31 and located at the left side of the sleeve cavity 41, a driving shaft 39 extending rightward into the sleeve cavity 41 is fixedly connected to the right end face of the motor 40, a sleeve 43 is connected to the driving shaft 39 in a spline fit manner, a sleeve cavity 44 with a left opening is disposed in the sleeve 43, a sleeve gear 42 located in the sleeve cavity 41 is fixedly connected to the sleeve 43, a sleeve disc 47 is connected to the right end face of the sleeve 43 in a rotating fit manner, a sleeve disc spring 45 is fixedly connected between the right end face of the sleeve disc 47 and the right end wall of the sleeve cavity 41, a first pull rope 46 is further fixedly connected to the right end face of the sleeve disc 47, the other end of the first pull rope 46 is fixedly connected to the lower end face of the push-up block 23, a driving pulley shaft 70 extending leftward into the driving gear cavity 21 and extending rightward into the pulley cavity 66 is connected to the left end wall of the driving gear cavity 21 in a rotating fit, the driving pulley shaft 70 is fixedly connected with a driving pulley 71 positioned in the pulley cavity 66, the auxiliary pulley shaft 68 is fixedly connected with an auxiliary pulley 67 positioned in the pulley cavity 66, a transmission belt 69 is connected between the auxiliary pulley 67 and the driving pulley 71 in a power fit manner, the driving pulley shaft 70 is also fixedly connected with a transmission gear 19 positioned in the transmission gear cavity 21, and the transmission gear 19 is meshed with the sleeve gear 42.

In addition, in one embodiment, a worm gear shaft 48 extending leftwards into the lead gear shaft 38 and rightwards into the worm gear cavity 64 is rotatably coupled to the right end wall of the lead gear shaft 38, a lead gear 37 located in the lead gear shaft 38 is fixedly coupled to the worm gear shaft 48, a worm wheel 65 located in the worm gear cavity 64 is also fixedly coupled to the worm gear shaft 48, a worm shaft 62 extending forwards into the worm gear cavity 64 and backwards into the ratchet cavity 50 is rotatably coupled between the front and rear end walls of the worm wheel cavity 49, a worm 63 located in the worm gear cavity 64 is fixedly coupled to the worm shaft 62, the worm 63 is engaged with the worm wheel 65, a pulley 60 located in the pulley cavity 49 is fixedly coupled to the worm shaft 62, a lead wire 25 is wound on the pulley 60, and one end of the lead wire 25 is fixedly coupled to the left end surface of the metal sheet 27, the other end of wire 25 extends to the wall body and connects the power, ratchet chamber 50 rear end wall intercommunication is equipped with

rotatory spring chamber

51, 62 rear end face fixedly connected with other ends of worm axle with rotatory spring chamber 51 rear end wall fixed connection's rotatory spring 52, still fixedly connected with is located on the worm axle 62 ratchet 53 in the ratchet chamber 50.

In addition, in one embodiment, a ratchet slider cavity 58 is arranged on the upper end wall of the ratchet cavity 50 in a communicating manner, a ratchet slider 57 is connected in the ratchet slider cavity 58 in a sliding manner, a ratchet cavity 56 with a downward opening is arranged in the ratchet slider 57, a ratchet connecting block 55 is fixedly connected between the front end wall and the rear end wall of the ratchet cavity 56, a ratchet 54 is connected on the ratchet connecting block 55 in a rotating manner, a ratchet slider spring 59 is fixedly connected between the upper end surface of the ratchet slider 57 and the upper end wall of the ratchet slider cavity 58, a second pull rope 13 is further fixedly connected on the upper end surface of the ratchet slider 57, and the other end of the second pull rope 13 is fixedly connected with the lower end surface of the induction slider 15.

In addition, in one embodiment, the upper and lower end walls of the plug cavity 34 are symmetrically communicated with a fixed block cavity 72 with an inward opening, a fixed block 73 is connected in the fixed block cavity 72 in a sliding fit manner, a fixed block spring 74 is fixedly connected between the outer end surface of the fixed block 73 and the outer end wall of the fixed block cavity 72, a fixed knob cavity 81 with a rightward opening is arranged in the plug base 32, a limit block cavity 77 is arranged on an outer end wall communication ring of the fixed knob cavity 81, a fixed knob 80 is connected in the fixed knob cavity 81 in a sliding fit manner, a limit block 78 partially positioned in the limit block cavity 77 is fixedly connected to the fixed knob 80, the limit block 78 and the limit block cavity 77 are connected in a sliding fit manner, a knob friction plate 79 is arranged on the fixed knob 80 in a ring manner, a third pull rope 76 is fixedly connected to the outer end wall of the fixed knob 80, and the other, the outer end wall of the fixed knob 80 is further fixedly connected with a fourth pull rope 36, the other end of the fourth pull rope 36 is fixedly connected with the lower end face of the fixed block 73, and a friction pad 75 is annularly arranged on the plug base 32.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

As shown in fig. 1-5, when the device of the present invention is in the initial state, the fixed block 73 is partially located in the plug cavity 34, the fixed block spring 74 is in the relaxed state, the third pull rope 76 and the fourth pull rope 36 are in the tightened state, the socket 31 is completely located between the friction plates 11, the upper push block 23 is completely located in the upper push block cavity 22 by the pressure action of the upper friction plate 11 being greater than the thrust action of the upper push block spring 24, the upper push block spring 24 is in the compressed state, the transmission gear 19 is engaged with the sleeve gear 42, the sleeve disk spring 45 is in the relaxed state, the elasticity of the upper push block spring 24 is greater than that of the sleeve disk spring 45, the first pull rope 46 is in the tightened state, the side push block 17 is located at the rightmost end of the stroke, the pressure action of the left end wall of the socket cavity moving plate 20 is greater than that of the side push block spring 18, the side push block spring 18 is in the compressed state, the magnetic attraction force action of, the induction slider spring 14 is in a stretching state, the ratchet slider spring 59 is in a compressing state, the second pull rope 13 is in a tightening state, and the ratchet 54 is not abutted with the ratchet wheel 53; sequence of mechanical actions of the whole device: when the electric appliance needs to be electrified, the motor 40 is started, the motor 40 drives the driving shaft 39 to rotate so as to drive the sleeve 43 to rotate, the sleeve 43 rotates to drive the driving belt wheel shaft 70 to rotate through the sleeve gear 42 and the transmission gear 19 so as to drive the driving belt wheel 71 to rotate, the driving belt wheel 71 rotates to drive the secondary belt wheel 67 and the secondary belt wheel shaft 68 to rotate through the transmission belt 69, the auxiliary pulley shaft 68 rotates to drive the moving plate 28 to move leftwards so as to drive the moving connecting plate 29 to move leftwards, the moving connecting plate 29 moves leftwards so as to drive the plug seat 32 and the accessory parts thereof to move leftwards, the plug fixed on the plug seat 32 moves leftwards so that the plug metal sheet enters the plug access cavity 30 and contacts the metal sheet 27 so as to electrify the electric appliance, and after the electric appliance works, the motor is controlled to rotate reversely so that the plug seat 32 resets, and the metal sheet is separated from the metal sheet 27 and is powered off.

When the length of the electric appliance plug wire is not enough to cause the plug to be inserted into the socket, the friction pad 75 is pressed and the plug seat 32 and the socket 31 are pulled out rightwards until the push-up block 23 is completely separated from the friction plate 11, the push-up block 23 moves upwards under the thrust action of the push-up block spring 24 and pulls the first pull rope 46, the sleeve disc 47 moves backwards under the tension action of the first pull rope 46 and overcomes the thrust action of the sleeve disc spring 45, the sleeve gear 42 is separated from the transmission gear 19 and is meshed with the lead gear 37, the side push block 17 is separated from the left end wall of the socket cavity 20, the side push block 17 moves leftwards under the thrust action of the side push block spring 18, the induction slide block 15 loses the magnetic attraction of the side push block 17 and moves downwards under the tension action of the induction slide block spring 14, the second pull rope 13 is loosened, the ratchet slide block 57 moves downwards under the thrust action of the ratchet slide block spring 59 and abuts, the sleeve 43 rotates to drive the worm wheel shaft 48 to rotate through the sleeve gear 42 and the wire guide gear 37, the worm wheel shaft 48 rotates to drive the worm shaft 62 to rotate through the worm wheel 65 and the worm 63, the worm shaft 62 rotates to drive the wire wheel 60 and the ratchet wheel 53 to rotate, the rotary spring 52 starts to store force, the worm shaft 62 cannot rotate reversely under the action of the ratchet wheel 53 and the ratchet wheel 54, the wire wheel 60 rotates to enable the wire to extend to adapt to the situation that the length of a plug wire is insufficient, the push-up block 23 is pressed when the plug is connected, and the sleeve gear 42 is meshed with the transmission.

After the electric appliance is used, the side push block 17 is firstly pressed down to move rightwards, the sensing slide block 15 overcomes the pulling force of the sensing slide block spring 14 to move upwards and pull the second pull rope 13 under the action of the magnetic attraction of the side push block 17, the ratchet slide block 57 moves upwards under the action of the pulling force of the second pull rope 13 so as to separate the ratchet 54 from the ratchet wheel 53, the worm shaft 62 rotates reversely under the action of the rotating spring 52 so as to drive the wire wheel 60 to rotate reversely, the wire wheel 60 rotates reversely to recover the wire, after recovering a certain length of the wire, the socket 31 and the plug seat 32 are pushed into the socket cavity 20 again, the upper push block 23 overcomes the pushing force of the upper push block spring 24 to move downwards under the action of the thrust of the friction plate 11, the first pull rope 46 is loosened, the sleeve disc 47 moves backwards under the thrust of the sleeve disc spring 45 to reset, the sleeve gear 42 is separated from the wire gear 37 and is meshed with the transmission gear 19 again, at the, the side push block 17 overcomes the thrust action of the side push block spring 18 to move rightwards under the thrust action of the left end wall of the socket cavity 20, the induction slide block 15 overcomes the tension action of the induction slide block spring 14 to move upwards under the magnetic attraction action of the side push block 17 so as to pull the second pull rope 13, the ratchet slide block 57 overcomes the thrust action of the ratchet slide block spring 59 to move upwards to reset under the tension action of the second pull rope 13, and the ratchet 54 is separated from the ratchet wheel 53.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a movable anti-drop plug and socket, includes the main tank body, its characterized in that: a socket cavity with a right opening is arranged in the main box body, friction plates are symmetrically arranged on the upper end wall and the lower end wall of the socket cavity, a socket is connected to the inner end surface of each friction plate in a sliding fit manner, moving plate cavities are symmetrically arranged in the socket in an up-down manner, a connecting plate through cavity with a right opening is communicated with the right end wall of each moving plate cavity, a moving connecting plate which extends into the moving plate cavity leftwards and extends into the socket cavity rightwards is connected to the connecting plate through cavity in a sliding fit manner, a plug socket is fixedly connected to the right end surface of each moving connecting plate, a plug cavity with a right opening is arranged in the plug socket, a plug access cavity with a left opening is symmetrically communicated with the left end wall of the plug cavity in an up-down manner, plug access cavities which correspond to the plug access cavities and have a right opening are symmetrically arranged in the socket in an up-down manner, a metal sheet, the belt wheel cavity right end wall is connected with an auxiliary belt wheel shaft which extends leftwards into the belt wheel cavity and runs through the movable plate cavity rightwards, the auxiliary belt wheel shaft is connected with a movable plate located in the movable plate cavity in a threaded fit mode, the movable plate is fixedly connected with the movable connecting plate, a transmission gear cavity is arranged on the left side of the belt wheel cavity, a sleeve cavity is arranged on the lower end wall of the transmission gear cavity in a communicated mode, a wire gear shaft is arranged on the front end wall of the sleeve cavity in a communicated mode, a worm gear cavity is arranged on the right side of the wire gear shaft, a wire wheel cavity located on the upper side of the sleeve cavity is arranged on the rear side of the worm gear cavity, and a ratchet wheel cavity is arranged on the rear.

2. The movable drop-proof plug and socket set forth in claim 1, wherein: be equipped with the opening in the socket to left side ejector pad chamber, side ejector pad intracavity sliding fit is connected with the side ejector pad, side ejector pad right-hand member face with fixedly connected with side ejector pad spring between the right-hand member wall of side ejector pad chamber, side ejector pad chamber lower extreme wall intercommunication is equipped with the response slider chamber, response slider intracavity sliding fit is connected with the response slider, the response slider under the terminal surface with fixedly connected with response slider spring between the lower extreme wall of response slider chamber, be equipped with the ascending ejector pad chamber of opening in the socket, it is connected with the ejector pad to go up ejector pad intracavity sliding fit, go up ejector pad under the terminal surface with fixedly connected with ejector pad spring between the ejector pad chamber lower extreme wall.

3. The movable drop-proof plug and socket set forth in claim 1, wherein: a motor positioned on the left side of the sleeve cavity is arranged in the socket, the right end face of the motor is fixedly connected with a driving shaft which extends rightwards into the sleeve cavity, the driving shaft is connected with a sleeve in a spline fit manner, a sleeve cavity with a leftward opening is arranged in the sleeve, a sleeve gear positioned in the sleeve cavity is fixedly connected onto the sleeve, the right end face of the sleeve is connected with a sleeve disc in a rotating fit manner, a sleeve disc spring is fixedly connected between the right end face of the sleeve disc and the right end wall of the sleeve cavity, the right end face of the sleeve disc is also fixedly connected with a first pull rope, the other end of the first pull rope is fixedly connected with the lower end face of the upper push block, the left end wall of the transmission gear cavity is connected with a driving pulley shaft which extends leftwards into the transmission gear cavity and rightwards into the pulley cavity in a rotating fit manner, and, the auxiliary belt wheel shaft is fixedly connected with an auxiliary belt wheel positioned in the belt wheel cavity, a conveying belt is connected between the auxiliary belt wheel and the driving belt wheel in a power fit mode, a transmission gear positioned in the transmission gear cavity is further fixedly connected to the driving belt wheel shaft, and the transmission gear is meshed with the sleeve gear.

4. The movable drop-proof plug and socket set forth in claim 1, wherein: the wire wheel shaft is connected with a worm wheel shaft which extends leftwards into the wire wheel shaft and rightwards into the worm wheel and worm cavity in a rotating fit manner, the worm wheel shaft is fixedly connected with a wire gear which is positioned in the wire wheel shaft, the worm wheel shaft is also fixedly connected with a worm wheel which is positioned in the worm wheel and worm cavity, a worm shaft which extends forwards into the worm wheel and worm cavity and extends backwards into the ratchet cavity is connected between the front end wall and the rear end wall of the wire wheel cavity in a rotating fit manner, the worm shaft is fixedly connected with a worm which is positioned in the worm wheel and worm cavity, the worm is meshed with the worm wheel, the wire wheel which is positioned in the wire wheel cavity is fixedly connected with the worm shaft, a wire is wound on the wire wheel, one end of the wire is fixedly connected with the left end face of the metal sheet, and the other, the ratchet mechanism is characterized in that a rotating spring cavity is communicated with the rear end wall of the ratchet cavity, the other end of the rear end face of the worm shaft is fixedly connected with a rotating spring fixedly connected with the rear end wall of the rotating spring cavity, and a ratchet wheel positioned in the ratchet cavity is fixedly connected to the worm shaft.

5. The movable drop-proof plug and socket set forth in claim 1, wherein: the ratchet mechanism is characterized in that a ratchet slider cavity is formed in the upper end wall of the ratchet cavity in a communicated mode, a ratchet slider is connected in the ratchet slider cavity in a sliding fit mode, a ratchet cavity with a downward opening is formed in the ratchet slider, a ratchet connecting block is fixedly connected between the front end wall and the rear end wall of the ratchet cavity, a ratchet is connected to the ratchet connecting block in a rotating fit mode, a ratchet slider spring is fixedly connected between the upper end face of the ratchet slider and the upper end wall of the ratchet slider cavity, a second pull rope is further fixedly connected to the upper end face of the ratchet slider, and the other end of the second pull rope is fixedly connected with.

6. The movable drop-proof plug and socket set forth in claim 1, wherein: the plug is characterized in that the upper end wall and the lower end wall of the plug cavity are symmetrically communicated and provided with fixed block cavities with inward openings, the fixed block cavities are connected with fixed blocks in a sliding fit manner, fixed block springs are fixedly connected between the outer end faces of the fixed blocks and the outer end walls of the fixed block cavities, fixed knob cavities with rightward openings are arranged in the plug seat, the outer end walls of the fixed knob cavities are communicated and annularly provided with stopper cavities, the fixed knob cavities are connected with fixed knobs in a sliding fit manner, the fixed knobs are fixedly connected with stoppers, the parts of the stoppers are positioned in the stopper cavities, the stoppers are connected with the stopper cavities in a sliding fit manner, knob friction plates are arranged on the fixed knobs in a surrounding manner, the outer end walls of the fixed knobs are fixedly connected with third pull ropes, the other ends of the third pull ropes are fixedly connected, the other end of the fourth pull rope is fixedly connected with the lower end face of the lower fixing block, and a friction pad is annularly arranged on the plug seat.