CN109301574B

CN109301574B - Double-layer telescopic socket

Info

Publication number: CN109301574B
Application number: CN201811278399.4A
Authority: CN
Inventors: 蒋星
Original assignee: Zhongshan Home Electrical Appliance Co Ltd
Current assignee: Zhongshan Home Electrical Appliance Co., Ltd.
Priority date: 2018-10-30
Filing date: 2018-10-30
Publication date: 2020-01-17
Anticipated expiration: 2038-10-30
Also published as: CN109301574A

Abstract

The invention discloses a double-layer telescopic socket, which comprises: a housing; the first protection assembly comprises a first accommodating cavity, a second accommodating cavity, a third accommodating cavity and a first spring, wherein the first accommodating cavity is composed of the top plate and a horizontal plate located right below the top plate, the second accommodating cavity is sleeved in the first accommodating cavity, the third accommodating cavity is sleeved in the second accommodating cavity, and the first spring is fixedly arranged at the bottom ends of the first accommodating cavity and the third accommodating cavity respectively; second protection component, it is including locating flexible chamber middle part and being on a parallel with flexible chamber is close to the pivot of jack one side lateral wall, locate the flexible subassembly that pivot both sides are used for opening two jacks respectively, and every flexible subassembly includes: a partition plate; a plugging block; an electric motor. The double-layer telescopic socket has the advantages that the use of jacks is not influenced, the barrier-free protection is realized, and meanwhile, the double protection is realized by matching with the second protection component.

Description

Double-layer telescopic socket

Technical Field

The invention relates to the technical field of electrical equipment. More particularly, the present invention relates to a double layer telescoping jack.

Background

The socket is an electrical product which is necessary to be used in daily life of people and is used for providing an interface for circuit access for electrical appliances. When a user inserts a plug into a socket, the user is easy to get an electric shock, so that safety accidents are caused, and especially in places with children, the potential safety hazard of the socket is more important. At present, a safety socket cover is covered on a socket to prevent touch of children, which can not reduce curiosity of the socket for the children, and the socket is easy to lose when being pulled out when being used, and the patent application number is 2015106233692, the invention patent named as the safety socket discloses a socket which can not shield jacks on a panel through a cover plate, so that the children can not insert fingers or metal into the socket, and the children can not effectively prevent contact points, but firstly, because the cover plate is provided with the jacks matched with the jacks, the curiosity of the children can not be completely eradicated, the thickness of the cover plate can influence how to keep the surface of the socket smooth, the curiosity of the children on grooves and the like is reduced, and meanwhile, the problem that the connection distance between a plug and a socket body is lengthened due to the arrangement of an additional cover plate can not be realized, and barrier-free protection can not be realized.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

It is still another object of the present invention to provide a double-layered retractable socket, which is configured such that a first protection member is disposed to block the insertion holes when extended, and a space for inserting a plug into two insertion holes is provided when retracted, without affecting the use of the insertion holes, thereby achieving an unobstructed protection, and a second protection member is provided to achieve a dual protection.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a double-layered telescopic socket including:

the casing, it is the cuboid form, casing top end lid establishes the rectangle roof in order to form the rectangle opening, the opening with casing top trilateral is on one side altogether, and along casing top length direction the opening length with casing length ratio is 2: 3, a horizontal plate is clamped in the shell, a lower cavity is formed between the shell and the horizontal plate, two insertion holes penetrate through the horizontal plate, the projections of the two insertion holes on the top end face of the shell fall into the opening, and insertion pieces corresponding to the insertion holes are arranged in the lower cavity, wherein the horizontal plate between the two insertion holes is arranged in a hollow mode to form a telescopic cavity;

the first protection assembly comprises a first accommodating cavity, a second accommodating cavity, a third accommodating cavity and a first spring, wherein the first accommodating cavity is formed by the top plate and a horizontal plate located right below the top plate, the second accommodating cavity is sleeved in the first accommodating cavity, the third accommodating cavity is sleeved in the second accommodating cavity, the first spring is fixedly arranged at the bottom ends of the first accommodating cavity and the third accommodating cavity respectively, when the first protection assembly stretches to the longest, the free end of the third accommodating cavity abuts against the inner side wall of the shell, and the first spring is in a compressed state, wherein the length of the first accommodating cavity, the length of the second accommodating cavity and the length of the third accommodating cavity are sequentially increased, when the first protection assembly stretches to the shortest, a space for inserting the plug pins into the two jacks is formed by matching with the opening, and the top end height of the plug pins is higher than the top end height of the third accommodating cavity;

second protection component, it is including locating flexible chamber middle part and being on a parallel with flexible chamber is close to the pivot of jack one side lateral wall, locate the flexible subassembly that pivot both sides are used for opening two jacks respectively, and every flexible subassembly includes:

the partition plate is vertically clamped in the telescopic cavity and positioned on one side of the rotating shaft, a fourth spring is arranged on one side, away from the rotating shaft, of the partition plate, and a plugging hole is formed in one side, close to the free end of the fourth spring, of the telescopic cavity;

the plugging block penetrates through the plugging hole to be fixedly connected with the free end of the fourth spring, when the plugging block is plugged in the corresponding jack, the fourth spring is in a compressed state, wherein a pulling rope is arranged between the plugging block and the rotating shaft after penetrating through the corresponding partition plate, so that the rotating shaft rotates to drive the plugging block to move;

and the motor is connected with the rotating shaft to drive the rotation.

Preferably, the two insertion holes are symmetrically arranged about the central axis of the opening.

Preferably, the top ends of two opposite sides of the opening along the length direction of the top end of the shell protrude outwards to form a first convex strip, the free end of the top plate protrudes downwards to form a second convex strip, the horizontal plate protrudes upwards to form a third convex strip under the second convex strip, the third convex strip and the second convex strip are matched to form a gap for the second accommodating cavity to move, the upper surface and the lower surface of one end, close to the first accommodating cavity, of the second accommodating cavity protrude outwards to form a fourth convex strip respectively, the bottom end of the fourth convex strip, located below, is abutted against the horizontal plate, the top end of the third convex strip is abutted against the lower end of the outer side wall of the second accommodating cavity, the top end of the fourth convex strip, located above, is abutted against the bottom surface of the top plate, the upper surface and the lower surface of the free end of the second accommodating cavity protrude inwards to form a fifth convex strip, and the upper surface and the lower surface, close to one end of the second accommodating cavity, the bottom end of the fifth convex strip positioned below is abutted against the lower end of the outer side wall of the third accommodating cavity, the bottom end of the sixth convex strip positioned below is abutted against the lower end of the inner side wall of the second accommodating cavity, and the top end of the sixth convex strip positioned above is abutted against the high end of the inner side wall of the second accommodating cavity;

further comprising: a third protection component, comprising:

the first plugging assembly comprises a plurality of second springs and a first plugging plate, the second springs are arranged on the top surface of the second accommodating cavity at intervals, the first plugging plate is horizontally arranged at the top ends of the second springs, when the second springs are in a natural extension state, the top surface of the first plugging plate is horizontal to the top surface of the top plate, and a first clamping groove matched with the first protruding strip is formed in one side, close to the first protruding strip of the top plate, of the first plugging plate;

the second plugging assembly comprises a plurality of third springs and a second plugging plate, the third springs are arranged on the top surface of the third accommodating cavity at intervals, the second plugging plate is horizontally arranged at the top ends of the third springs, when the third springs are in a natural extension state, the top surface of the second plugging plate is horizontal to the top surface of the top plate, one end, close to the first plugging plate, of the second plugging plate is in contact with the end part of the first plugging plate, and the other end of the second plugging plate is provided with a second clamping groove matched with the corresponding first convex strip;

the distance between the bottom end of the second convex strip and the high end of the outer side wall of the second accommodating cavity is slightly larger than the thickness of the first plugging plate, and the distance between the bottom end of the fifth convex strip and the high end of the outer side wall of the third accommodating cavity is slightly larger than the thickness of the second plugging plate.

Preferably, an iron sheet is laid on the side wall of one end, opposite to the second plugging plate, of the first plugging plate, and a magnetic sheet is laid on the side wall of one end, opposite to the first plugging plate, of the second plugging plate.

Preferably, one side of the blocking block close to the opening is recessed downwards to form a receiving groove.

Preferably, keep away from in the first chamber the vertical card in open-ended one side establishes the baffle, first spring one end set firmly in on the baffle, follow the fixed rope that pulls of first spring length direction, pull the rope pass through the running roller direction with the output shaft rigid coupling of motor to make the motor rotate the drive first protection component shrink.

The invention at least comprises the following beneficial effects:

first, through first protective component's setting, shutoff jack during the extension provides during the shrink and supplies the bolt to insert the space of locating two jacks, and can not change the distance between bolt and jack among the practical application process, does not influence the use of jack itself, realizes unobstructed first floor protection, and cooperation second protective component shutoff jack realizes duplicate protection.

The second and first protection assemblies are telescopic pieces, can be matched and fixed through the bolt when being contracted to the shortest time, and do not need to be additionally provided with a fixing device, and the plugging block of the second protection assembly is synchronously operated through the motor, so that the whole structure is simple and practical.

The third, stretch out and draw back to the longest when first protection component, and second spring and third spring are in the natural extension state, the opening is sealed to first shutoff board cooperation, makes casing top surface is sealed horizontal plane, avoids traditional safety socket top surface still to need set up with jack complex hole body, and can not eliminate children's interest of playing completely, and leads to having the problem of potential safety hazard, and the setting of cooperation second sand grip and fifth sand grip can cooperate first shutoff board of the synchronous shrink of first protection component and second shutoff board, increases the utilization ratio in effective space.

Fourth, a motor moves stage by stage, and rope length setting is dragged in the cooperation, and the first protective component of cooperation synchro control and the opening and shutting of second protective component jointly work as the motor rotates and drives first protective component shrink to when being greater than the jack width apart from the shortest distance, the jack is closed, the opening is opened gradually, works as the motor rotates and drives first protective component shrink to when being equal to the jack width apart from the shortest distance, and the jack is in and is about to treat the open mode, works as when the motor rotates and drives first protective component shrink to the distance, the jack reaches the opening is all opened.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a double-layer retractable socket according to one embodiment of the present invention;

fig. 2 is a schematic structural diagram of a double-layer retractable socket according to one embodiment of the present invention;

fig. 3 is a schematic structural diagram of a double-layer retractable socket according to one embodiment of the present invention;

fig. 4 is a schematic structural diagram of the operation of the motor according to one embodiment of the present invention.

The reference signs are: a housing 1; an opening 10; an insert 11; a top plate 12; a telescopic chamber 13; a horizontal plate 2; a jack 20; a lower cavity 21; a first shielding component 3; the first accommodation chamber 30; the second accommodation chamber 31; the third accommodation chamber 32; a first spring 33; a telescopic assembly 4; a partition plate 40; a fourth spring 41; plugging the hole 42; a blocking block 43; an accommodating groove 44; pulling the string 45; a rotating shaft 46; a first rib 5; a second rib 50; a third rib 51; a fourth rib 52; a fifth rib 53; a sixth rib 54; a first plugging member 6; a second spring 60; a first plugging plate 61; an iron piece 62; a first card slot 63; a third spring 70; the second plugging plate 71; a magnetic sheet 72; a second card slot 73; a baffle plate 8; a pull cord 80; a motor 9; a first roller 90; a second roller 91; a third roller 92.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 4, the present invention provides a double-layered telescopic socket, comprising:

the casing 1 is rectangular, a rectangular top plate 12 is arranged at the top end cover of the casing 1 to form a rectangular opening 10, the opening 10 is shared with three sides of the top end of the casing 1, and the length of the opening 10 is 2 to the length of the casing 1 along the length direction of the top end of the casing 1: 3, a horizontal plate 2 is clamped in the shell 1, a lower cavity 21 is formed between the shell 1 and the horizontal plate 2, two insertion holes 20 are arranged on the horizontal plate 2 in a penetrating manner, the projections of the two insertion holes 20 on the top end face of the shell 1 fall into the opening 10, specifically, insertion pieces 11 corresponding to the insertion holes 20 are arranged in the lower cavity 21, wherein the horizontal plate 2 between the two insertion holes 20 is arranged in a hollow manner to form a telescopic cavity 13;

a first protection component 3, which includes a first accommodating cavity 30 composed of the top plate 12 and a horizontal plate 2 located right below the top plate 12, a second accommodating cavity 31 slidably sleeved in the first accommodating cavity 30, a third accommodating cavity 32 slidably sleeved in the second accommodating cavity 31, and a first spring 33 having two ends respectively fixedly disposed at the bottom ends of the first accommodating cavity 30 and the third accommodating cavity 32 (far away from the open end of the first accommodating cavity 30 and far away from the open end of the third accommodating cavity 32), wherein when the first protection component 3 stretches to the longest, the free end of the third accommodating cavity 32 (the end of the third accommodating cavity 32 far away from the first accommodating cavity 30) abuts against the inner side wall of the housing 1 (i.e. the side of the top plate 12 far away from the opening 10), and the first spring 33 is in a compressed state, wherein the length of the first accommodating cavity 30, the length of the second accommodating cavity 31, The length of the third accommodating cavity 32 is sequentially increased so that the second accommodating cavity 31 is contracted in the first accommodating cavity 30, when the third accommodating cavity 32 is contracted in the second accommodating cavity 31, the corresponding free end is protruded, the arrangement of the third accommodating strong length does not influence the plugging and unplugging of the plug pin, when the first protection assembly 3 is contracted to the shortest length, the opening 10 is opened in a matched manner to form a space for the plug pin to be inserted into the two jacks 20, and when the plug pin is completely inserted, the top end height of the plug pin is higher than that of the third accommodating cavity 32, so that the third accommodating cavity 32 is abutted against the plug pin to position the third accommodating cavity 32;

second protection component, it is including locating flexible chamber 13 middle part and being on a parallel with flexible chamber 13 is close to the pivot 46 of jack 20 one side lateral wall, locate the flexible subassembly 4 that pivot 46 both sides are used for opening two jacks 20 respectively, two sets of flexible subassemblies 4 about pivot 46 is mirror symmetry and sets up, and every flexible subassembly 4 includes:

the partition plate 40 is vertically clamped in the telescopic cavity 13 and located on one side of the rotating shaft 46, a fourth spring 41 is arranged on one side, away from the rotating shaft 46, of the partition plate 40, a plugging hole 42 is arranged on one side, close to the free end of the fourth spring 41, of the telescopic cavity 13, and the plugging hole 42 is arranged along the length direction of the jack 20;

the plugging block 43 penetrates through the plugging hole 42 and is fixedly connected with the free end of the fourth spring 41, when the plugging block 43 is plugged in the corresponding jack 20, the fourth spring 41 is in a compressed state, wherein a pulling rope 45 is arranged between the plugging block 43 and the rotating shaft 46 penetrating through the corresponding partition plate 40, so that the rotating shaft 46 rotates to drive the plugging block 43 to move;

and the motor 9 is connected with the rotating shaft 46 to drive the rotating shaft 46 to rotate, wherein the plugging blocks 43 of the two groups of telescopic assemblies 4 run in opposite directions.

In the above technical solution, the top plate 12 and the top end of the housing 1 are integrally formed, the opening 10 can expose the jack 20 and provide a space for inserting and pulling a plug into and out of the jack 20, the lower cavity 21 is internally provided with a matching arrangement according to the arrangement manner of the existing two-hole socket, the length of the telescopic cavity 13 along the length direction of the jack 20 is equal to the length of the jack 20, the first springs 33 can be at least two arranged at intervals along the width direction of the housing 1, in the using process, when the socket is not used, the blocking blocks 43 of the second protection assembly are respectively blocked and arranged in the jack 20, the free end of the third accommodating cavity 32 of the first protection assembly 3 abuts against the inner side wall of the housing 1, i.e. the opening 10 is sealed, and unnecessary contact is further avoided; when the socket is used, the third accommodating cavity 32 is compressed to move towards the first accommodating cavity 30 until the first protection component 3 is contracted to the shortest, the opening 10 is opened in a matched mode to form a space for inserting the plug pins into the two jacks 20, meanwhile, the motor 9 is started, the motor 9 rotates to drive the rotating shaft 46 to rotate, the rotating shaft 46 rotates to drive the blocking block 43 to move to open the jacks 20, the plug pins are inserted into the jacks 20, and the third accommodating cavity 32 is abutted against the plug pins to position the third accommodating cavity 32; by adopting the technical scheme, firstly, through the arrangement of the first protection component 3, the jacks 20 are blocked when the first protection component is extended, and a space for inserting the plug pins into the two jacks 20 is provided when the first protection component is contracted, so that the distance between the plug pins and the jacks 20 in the practical application process is not changed, the use of the jacks 20 is not influenced, the unhindered first-layer protection is realized, and the double protection is realized by matching with the second protection component to block the jacks 20; second, first protection component 3 are the extensible member, and it is fixed to shrink accessible bolt cooperation when being the shortest, and need not additionally to set up fixing device, and second protection component's plugging block 43 passes through motor 9 synchronous operation, and overall structure is simple and practical.

In another embodiment, two insertion holes 20 are symmetrically arranged about the central axis of the opening 10. By adopting the scheme, the symmetrical structure is convenient for improving the operation stability of the device.

In another technical solution, the top ends of two opposite sides of the opening 10 along the length direction of the top end of the housing 1 (the top end of one side is the top end of the sidewall of the free end of the top plate 12) protrude outwards to form a first protruding strip 5, the free end of the bottom surface of the top plate 12 protrudes downwards to form a second protruding strip 50, the horizontal plate 2 protrudes downwards under the second protruding strip 50 to form a third protruding strip 51, the third protruding strip 51 cooperates with the second protruding strip 50 to form a gap for the second accommodating cavity 31 to move, the upper and lower surfaces of the second accommodating cavity 31 near one end of the first accommodating cavity 30 protrude outwards to form a fourth protruding strip 52, the bottom end of the fourth protruding strip 52 located below abuts against the horizontal plate 2 (a), the top end of the third protruding strip 51 abuts against the lower end (b) of the outer sidewall of the second accommodating cavity 31, and the top end of the fourth protruding strip 52 located above abuts against the bottom surface of the top plate 12 (c), so that the second accommodating cavity 31 is slidably disposed in the first accommodating cavity 30, the upper and lower surfaces of the free end of the second accommodating cavity 31 protrude inward to form a fifth protruding strip 53, two fifth protruding strips 53 cooperate to form a gap for the first accommodating cavity 30 to move, the upper and lower surfaces of one end of the third accommodating cavity 32 close to the second accommodating cavity 31 protrude outward to form a sixth protruding strip 54, the bottom end of the fifth protruding strip 53 located below abuts against the lower end of the outer side wall of the third accommodating cavity 32 (d), the bottom end of the sixth protruding strip 54 located below abuts against the lower end of the inner side wall of the second accommodating cavity 31 (e), the top end of the sixth protruding strip 54 located above abuts against the high end of the inner side wall of the second accommodating cavity 31 (f), the first protruding strip 5, the second protruding strip 50, the third protruding strip 51, the fourth protruding strip 52, the fifth protruding strip 53, and the sixth protruding strip 54 are all disposed along the width direction of the top end of the housing 1, the butting joints with the reference numbers (a), (b), (c), (d), (e) and (f) can be sliding butting joints configured by a sliding chute and a convex block, and are specifically set according to actual requirements;

further comprising: a third protection component, comprising:

the first blocking assembly 6 comprises a plurality of second springs 60 arranged on the top surface of the second accommodating cavity 31 at intervals, and a first blocking plate 61 horizontally arranged at the top ends of the plurality of second springs 60, wherein when the second springs 60 are in a natural extension state, the top surface of the first blocking plate 61 is horizontal to the top surface of the top plate 12, and a first clamping groove 63 matched with the first protruding strip 5 is arranged on one side, close to the first protruding strip 5, of the first blocking plate 61;

a second blocking assembly, which includes a plurality of third springs 70 disposed at intervals on the top surface of the third accommodating cavity 32, and a second blocking plate 71 horizontally disposed on the top ends of the plurality of third springs 70, wherein when the third springs 70 are in a natural extension state, the top surface of the second blocking plate 71 is horizontal to the top surface of the top plate 12, one end of the second blocking plate 71 close to the first blocking plate 61 contacts with the end of the first blocking plate 61, and the other end is provided with a second locking groove 73 matched with the corresponding first protruding strip 5, when the first shielding assembly 3 is extended to the longest, and the second spring 60 and the third spring 70 are in a natural extension state, the first blocking plate 61 cooperates with the second blocking plate 71 to close the opening 10, so that the top surface of the housing 1 is a sealed horizontal surface;

the distance between the bottom end of the second protruding strip 50 and the high end of the outer side wall of the second accommodating cavity 31 is slightly larger than the thickness of the first blocking plate 61, when the second accommodating cavity 31 slides and shrinks into the first accommodating cavity 30, the second spring 60 is synchronously compressed, so that the top surface of the first blocking plate 61 and the second protruding strip 50 slide in a matched manner to accommodate the first blocking plate 61, the distance between the bottom end of the fifth protruding strip 53 and the high end of the outer side wall of the third accommodating cavity 32 is slightly larger than the thickness of the second blocking plate 71, when the third accommodating cavity 32 slides and shrinks into the second accommodating cavity 31, the third spring 70 is synchronously compressed, so that the top surface of the second blocking plate 71 and the fifth protruding strip 53 slide in a matched manner to accommodate the second blocking plate 71. Adopt this kind of scheme, when first protection component 3 is flexible to the longest, and second spring 60 and third spring 70 are in the natural extension state, first shutoff board 61 cooperates first shutoff board 61 to seal opening 10, makes casing 1 top surface is sealed horizontal plane, avoids traditional safety socket top surface still to need to set up the hole body with jack 20 complex, and can not eliminate children's interest of playing completely, and leads to the problem that has the potential safety hazard, cooperates first shutoff board 61 of the synchronous shrink of first protection component 3 and second shutoff board 71 in the setting of second sand grip 50 and fifth sand grip 53, increases the utilization ratio in effective space.

In another technical scheme, an iron sheet 62 is laid on a side wall of one end of the first blocking plate 61 opposite to the second blocking plate 71, and a magnetic sheet 72 is laid on a side wall of one end of the second blocking plate 71 opposite to the first blocking plate 61. With this solution, the stability of the first plugging plate 61 in cooperation with the first plugging plate 61 to form a sealing level for closing the opening 10 is improved.

In another technical solution, a side of the block 43 close to the opening 10 is recessed downward to form a receiving groove 44. With this arrangement, the receiving groove 44 effectively prevents the external stick from causing a tentative damage to the jack 20 and reduces the probability of electric shock.

In another technical scheme, keep away from in the first chamber 30 the baffle 8 is established to the vertical card in one side of opening 10, first spring 33 one end set firmly in on the baffle 8, follow first spring 33 length direction fixes and pulls rope 80, as shown in fig. 4, pull rope 80 through the running roller direction with the output shaft rigid coupling of motor 9 specifically is: lie in baffle 8 is kept away from first running roller 90 of spring one side, be located under first running roller 90 and be located the second running roller 91 of cavity 21 down, drag rope 80 bypass first running roller 90, second running roller 91 in proper order with the output shaft rigid coupling of motor 9, the output shaft of motor 9 rotates and accomodates the haulage rope in order to drive the shrink of first protection component 3, simultaneously through setting up third running roller 92 so that motor 9 drives pivot 46 in step and rotates, the length that drags rope 45 sets up to: work as motor 9 rotates and drives first protection component 3 and contract when being greater than the 20 width of jack to the shortest distance of distance, it is in the state of relaxing to pull rope 45, works as motor 9 rotates and drives first protection component 3 and contract when being equal to the 20 width of jack to the shortest distance of distance, it is in taut state to pull rope 45, works as motor 9 rotates and drives first protection component 3 and contract when the distance, it drives to pull rope 45 the shutoff piece 43 is opened jack 20 to make motor 9 rotate and drive first protection component 3 contracts. By adopting the scheme, one motor 9 runs in stages, the length of the rope 45 is matched to be set, the first protection component 3 and the second protection component are synchronously controlled to open and close together in a matched mode, when the motor 9 rotates to drive the first protection component 3 to contract to the extent that the shortest distance is greater than the width of the jack 20, the jack 20 is closed, the opening 10 is gradually opened, when the motor 9 rotates to drive the first protection component 3 to contract to the extent that the shortest distance is equal to the width of the jack 20, the jack 20 is in a state of being about to be opened, and when the motor 9 rotates to drive the first protection component 3 to contract to the extent, the jack 20 and the opening 10 are both opened.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the double layer telescoping jack of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. Double-deck telescopic socket, its characterized in that includes:

and the motor is connected with the rotating shaft to drive the rotation.

2. The dual layer telescoping jack of claim 1, wherein two receptacles are symmetrically disposed about the central axis of said opening.

3. The dual-layer retractable socket of claim 2, wherein the opening has first protrusions protruding outwardly from top ends of opposite sides of a top end of the housing, the free end of the top plate protrudes downwardly to form second protrusions, the horizontal plate protrudes directly under the second protrusions to form third protrusions, the third protrusions cooperate with the second protrusions to form a gap for the second receiving cavity to move, upper and lower surfaces of the second receiving cavity near one end of the first receiving cavity respectively protrude outwardly to form fourth protrusions, a bottom end of the lower fourth protrusion abuts against the horizontal plate, a top end of the third protrusion abuts against a lower end of an outer sidewall of the second receiving cavity, a top end of the upper fourth protrusion abuts against a bottom surface of the top plate, and an upper and lower surface of the free end of the second receiving cavity protrudes inwardly to form fifth protrusions, the upper surface and the lower surface of one end, close to the second accommodating cavity, of the third accommodating cavity are protruded outwards to form a sixth convex strip, the bottom end of the fifth convex strip positioned below is abutted to the lower end of the outer side wall of the third accommodating cavity, the bottom end of the sixth convex strip positioned below is abutted to the lower end of the inner side wall of the second accommodating cavity, and the top end of the sixth convex strip positioned above is abutted to the high end of the inner side wall of the second accommodating cavity;

further comprising: a third protection component, comprising:

4. The dual-layer retractable socket according to claim 3, wherein an iron plate is disposed on a side wall of the first plugging plate opposite to the second plugging plate, and a magnetic plate is disposed on a side wall of the second plugging plate opposite to the first plugging plate.

5. The dual layer telescoping jack of claim 4, wherein said block piece is recessed to form a receiving channel on a side thereof adjacent said opening.

6. The double-layer telescopic socket according to claim 5, wherein a baffle is vertically clamped on one side of the first accommodating cavity away from the opening, one end of the first spring is fixedly arranged on the baffle, a pulling rope is fixedly arranged along the length direction of the first spring, and the pulling rope is fixedly connected with an output shaft of the motor through roller guiding, so that the motor rotates to drive the first protection assembly to contract.