CN110994309A

CN110994309A - Multifunctional adapter plug

Info

Publication number: CN110994309A
Application number: CN202010001500.2A
Authority: CN
Inventors: 陈俊任
Original assignee: Dongguan Yonglv Electrical Technology Co Ltd
Current assignee: Dongguan Yonglv Electrical Technology Co Ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-04-10

Abstract

The invention relates to the field of plugs, in particular to a multifunctional adapter plug. When the plug is required to be used, the sliding seat can be pushed to move towards the plug slot direction along the pushing slot by the pushing key, and when the plug completely extends out of the shell, the guide block is clamped into the first groove at the tail end of the fixing frame, so that the plug is locked, the plug is ensured not to return when being used, and the use stability is improved. When the plug needs to be retracted, the push-retraction key is pushed reversely, the shaft body at one end of the pull rod compresses the elastic piece under the action of the offset inclined plane in the movable groove of the shifting block, so that the guide block is withdrawn from the first groove, and the locking state of the plug is released until the plug is completely retracted into the shell. The whole operation process is simple, additional action is not needed, and the use is convenient.

Description

Multifunctional adapter plug

Technical Field

The invention relates to the field of plugs, in particular to a multifunctional adapter plug.

Background

A multifunctional socket, also called a conversion socket, is a converter commonly used by abroad for connecting a plug and a socket as a power supply. Because the power socket interfaces of various countries in the world adopt different standards, such as different standards of American, English, Australian and European, various power adapters with different models are required to be prepared for use, and therefore, the power adapters meeting the standards of different countries can be produced.

At present, a power adapter generally adopts plugs of a plurality of different countries to combine, when one plug is selected, other plugs extend out simultaneously, an interlocking component is usually arranged, in addition, an unlocking key is usually arranged on the power adapter additionally to prevent the plug from extending out or retracting accidentally in a certain fixed state, for example, patent number ZL200710096612.5, at least two operating buttons are required to be pressed simultaneously when a power plug is operated. For the power adapter, a user usually needs to press the unlocking key first and then slide the sliding button of the plug to be used or withdrawn, so that the operation procedure is complicated and the use is very inconvenient.

Disclosure of Invention

In order to solve the above problems, the present invention provides a multifunctional adaptor plug that extends or retracts the plug into the housing in a direct pushing and retracting manner, and has simple operation and stable structure.

In order to achieve the purpose, the invention adopts the technical scheme that: a multifunctional adapter plug is characterized by comprising a shell, a plurality of plug components movably arranged on the shell, an interlocking piece arranged between two adjacent plug components and a jack integration area positioned on the side surface of the shell, wherein each plug component comprises a pin and a sliding component, each sliding component comprises a sliding seat, an elastic piece, a pull rod, a push-in key, a key shaft and a shifting block, the sliding seats are connected with the shell in a sliding mode, the pull rod is arranged in the sliding seat, the key shaft of the push-in key is connected with the end part of the pull rod through the shifting block, a push groove corresponding to the key shaft is formed in the side surface of the shell, the pin is fixedly arranged on the sliding seats, and a plug groove corresponding to the plug is formed in the shell; a fixed frame parallel to the sliding direction of the sliding seat is arranged in the shell, a guide block is arranged on the pull rod, the pull rod is elastically connected with the sliding seat through an elastic piece, a first groove is formed in the tail end of one side of the fixed frame, and the guide block is clamped in the first groove; a movable groove is formed in the shifting block, a shaft body arranged in the movable groove is arranged at the end part of the pull rod, an offset inclined plane is arranged in the movable groove, and the shaft body is abutted to the offset inclined plane; the interlocking piece comprises a baffle plate, sliding grooves which correspond to the pushing grooves one to one are formed in the baffle plate, the sliding grooves are not completely parallel to the pushing grooves, and the adjacent distance between each sliding groove and the corresponding sliding groove is inconsistent with the adjacent distance between each corresponding pushing groove and the corresponding pushing groove.

Furthermore, a second groove for accommodating the guide block is arranged at the starting end of one side of the fixing frame, wherein the side surface of the second groove is a displacement inclined surface.

Furthermore, the plug includes european style plug, english plug, american plug, just european style plug, english plug, american plug arrange the setting in proper order.

Furthermore, two sides of an inlet of one of the sliding grooves in the baffle are provided with two elastic blocks, a limiting frame corresponding to the elastic blocks is arranged in the shell, and the elastic blocks are abutted to the limiting frame.

Furthermore, the British plug comprises a first square angle pin, a second square angle pin and a third square angle pin, the first square angle pin and the second square angle pin are arranged on the sliding seat in parallel, a push rod is arranged between the first square angle pin and the second square angle pin on the sliding seat, the third square angle pin is arranged on the central line of the first square angle pin and the central line of the second square angle pin, a hinge seat is fixedly arranged in the shell, and one end of the third square angle pin is hinged to the hinge seat.

Furthermore, a stop surface for limiting the rotation angle of the third corner pin is arranged on the hinge seat.

Furthermore, the American-style plug comprises two flat plug pins which are arranged on the sliding seat in parallel and are rotatably connected with the sliding seat.

Further, the casing is inside to be equipped with the elastomer and correspond with the jack integrated area and be equipped with the safety protection piece, the safety protection piece passes through elastomer and casing elastic connection, be equipped with on the safety protection piece and be used for promoting safety protection piece compression elastomer makes the safety protection piece skew the promotion inclined plane of jack.

Furthermore, a sliding rail parallel to the sliding direction of the sliding seat is arranged in the shell, and sliding blocks sleeved on the sliding rail are arranged on two sides of the sliding seat.

Furthermore, the European-style plug comprises two round pins and an European-standard sleeve, the two round pins are arranged on the sliding seat in parallel, the European-standard sleeve is connected with the two round pins in a sliding manner, and the two round pins stretch into the European-standard sleeve.

The invention has the beneficial effects that: when the plug is retracted into the shell, the guide block on the pull rod is attached to one side of the fixed frame under the elastic action of the elastic piece. When the plug is required to be used, the sliding seat can be pushed to move towards the plug slot direction along the pushing slot by the pushing key, and when the plug completely extends out of the shell, the guide block is clamped into the first groove at the tail end of the fixing frame, so that the plug is locked, the plug is ensured not to return when being used, and the use stability is improved. When the plug needs to be retracted, the push-retraction key is pushed reversely, the shaft body at one end of the pull rod compresses the elastic piece under the action of the offset inclined plane in the movable groove of the shifting block, so that the guide block is withdrawn from the first groove, and the locking state of the plug is released until the plug is completely retracted into the shell. The whole operation process is simple, additional action is not needed, and the use is convenient.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic diagram of the European plug of the present invention in an extended state;

FIG. 4 is a schematic diagram of the British plug of the present invention in an extended position;

FIG. 5 is a schematic view of the American style plug of the present invention in an extended state;

FIG. 6 is a schematic view of the components within the housing of the present invention;

FIG. 7 is a schematic view of the connection between the guide block and the fixing frame of the present invention;

FIG. 8 is a schematic view of the internal structure of the housing of the present invention;

fig. 9 is a schematic structural view of the european plug and its sliding assembly of the present invention;

FIG. 10 is a schematic cross-sectional view of the sliding assembly of the European style plug pins of the present invention;

figure 11 is an exploded view of the euro-style plug of the present invention and its sliding assembly;

FIG. 12 is a schematic view of the American style plug and its sliding assembly of the present invention;

fig. 13 is an exploded view of the american-style plug and its sliding assembly of the present invention;

FIG. 14 is a schematic view of the British plug and sliding assembly of the present invention;

FIG. 15 is an exploded view of the British plug and sliding assembly of the present invention;

FIG. 16 is a schematic view of the hinge base of the present invention;

FIG. 17 is a schematic view of the connection of the retainer to the pins of the present invention;

FIG. 18 is a schematic view of the connection of the baffle plate to the housing of the present invention;

FIG. 19 is a schematic diagram of the front structure of the safety protection block of the present invention;

FIG. 20 is a schematic view of the safety block structure of the present invention;

fig. 21 is a schematic view of the connection between the USB charging circuit board and the conductive elastic piece according to the present invention.

The reference numbers illustrate: 1-a shell; 2-a USB charging circuit board; 4-a sliding seat; 5-an elastic member; 6-a pull rod; 7-push-to-receive key; 8-shifting blocks; 9-a fixing frame; 11-a jack; 12-a conductive spring; 13-a baffle; 131-a chute; 132-a translation slot; 133-an elastic block; 14-a push slot; 15-a safety protection block; 151-pushing the bevel; 16-an elastomer; 17-a plug groove; 18-a conductive post; 21-clamping the elastic sheet; 22-a metal frame; 23-a USB interface; 24-USB TYPE-C interface; 30-key shaft; 31-euro-style plug; a 32-British plug; 33-American style plug; 311-round pins; 312-euro scale set; 321-first square pins; 322-second square corner pins; 323-third square pins; 324-a mandril; 325-stop surface; 326-stop ramp; 327-hinge mount; 331-flat prongs; 41-connecting piece; 42-a slide rail; 43-a slide block; 44-a positioning block; 45-upper jacket part; 46-a lower sleeve portion; 61-a guide block; 62-a guide ramp; 63-shaft body; 64-a receiving groove; 81-a movable groove; 82-an offset ramp; 91-a second groove; 92-a first groove; 93-displacement ramp; 94-fuse in use; 95-spare fuse; 96-lamp hole.

Detailed Description

Referring to fig. 1, 2, 6 and 17, the present invention relates to a multi-functional patch plug, which includes a housing 1, a plurality of plug assemblies movably disposed on the housing 1, an interlocking member disposed between two adjacent plug assemblies, and a jack integration region disposed on a side surface of the housing; each plug assembly comprises a plug pin and a sliding assembly, each sliding assembly comprises a sliding seat 4, an elastic piece 5, a pull rod 6, a push-in key 7, a key shaft 30 and a shifting block 8, each sliding seat 4 is connected with the corresponding shell 1 in a sliding mode, each pull rod 6 is arranged in each sliding seat 4, each key shaft 30 is connected with the end of each pull rod 6 through each shifting block 8, a push groove 14 corresponding to each key shaft 30 is formed in the side face of each shell 1, each plug pin is fixedly arranged on each sliding seat 4, each key shaft 30 moves along each push groove 14, and a corresponding plug penetrates through a plug groove 17 in each shell 1 to move from an invalid position in each shell 1 to an effective position outside each shell 1; a fixed frame 9 parallel to the sliding direction of the sliding seat 4 is arranged in the shell 1, a guide block 61 is arranged on the pull rod 6, the pull rod 6 is elastically connected with the sliding seat 4 through an elastic piece 5, the guide block 61 is attached to one side of the fixed frame 9, a first groove 92 is arranged at the tail end of one side of the fixed frame 9, and the guide block 61 is clamped in the first groove 92 when the plug is in an effective position; a movable groove 81 is formed in the shifting block 8, a shaft body 63 arranged in the movable groove 81 is arranged at the end part of the pull rod 6, an offset inclined surface 82 is arranged in the movable groove 81, and the shaft body 63 abuts against the offset inclined surface 82; when the plug is separated from the effective position, the offset inclined plane 82 compresses the elastic element 5 by utilizing the same-direction asynchronous movement between the shifting block 8 and the sliding seat 4, and the elastic element is pulled to pull the shaft body 63 at one end of the pull rod 6, so that the guide block 61 is moved out of the first groove 92, and the locking state of the plug is released until the plug is completely retracted into the shell 1; the key shaft 30 is externally provided with a push-in key 7 projecting from the outer wall of the housing 1.

Meanwhile, the interlocking member includes a baffle 13, the baffle 13 is provided with sliding grooves 131 corresponding to the pushing grooves 14 one by one, the sliding grooves 131 are all not completely parallel to the pushing grooves 14, and the adjacent distance between the sliding grooves 131 and the sliding grooves 131 is inconsistent with the adjacent distance between the corresponding pushing grooves 14 and the pushing grooves 14, when one key shaft 30 moves along the pushing groove 14 to the plug groove 17, the key shaft 30 can push the baffle 13 to translate to one side along the translation groove 132 through the sliding grooves 131, so that the key shaft 30 on any other plug can not align to the entrance of the respective sliding groove 131, and any other key shaft 30 is clamped at the upper edge of the entrance of the sliding groove 131 of the baffle 13, thereby forming a limiting effect of blocking any other plug from moving to an effective position outside the housing 1, effectively avoiding a plurality of plug assemblies from being pushed out simultaneously, and it needs to be noted that the plug types of the plug assemblies are different, referring to fig. 3-6, the plugs are the european plug 31, the english plug 32, and the american plug 33, respectively, so as to ensure that only one plug of the european plug 31, the english plug 32, and the american plug 33 is extended in the use state, thereby improving the safety performance of the invention and effectively preventing the occurrence of electric shock accidents.

It should be noted that the "inactive position" refers to a position of the plug when the plug is hidden in the housing 1, as shown in fig. 1-2, and the "active position" refers to a position of the plug when the plug extends out of the housing 1 and reaches a predetermined position, in which the connecting pieces 41 of the plug can be connected to the corresponding conductive elastic pieces 12, as shown in fig. 3-5. Specifically, referring to fig. 9, 12, 14, 20, and 21, the plug is connected with a connecting plate 41, a conductive elastic sheet 12 is disposed in the housing 1, when the plug extends out of the housing 1, the connecting plate 41 is in butt joint with the conductive elastic sheet 12, the jack integration region includes a plurality of jacks 11 of different standards, a clamping elastic sheet 21 corresponding to the jack 11 and a conductive column 18 connected to the clamping elastic sheet 21 are disposed in the housing 1, and the clamping elastic sheet 21 is connected to the conductive elastic sheet 12 through the conductive column 18.

It should be noted that the "end" of the fixing frame 9 refers to the position of the guiding block 61 corresponding to the first groove 92 of the fixing frame 9 when the plug is in the active position.

Referring to fig. 9-15, in the present embodiment, a plurality of sliding rails 42 parallel to the sliding direction of the sliding seat 4 are disposed in the housing 1, the sliding seat 4 is sleeved on the surfaces of the sliding rails 42 through the sliding blocks 43, and the shifting block 8 is sleeved on the surfaces of the sliding rails 42, so as to ensure the sliding stability of the sliding seat 4 and the key shaft 30, and ensure the relative fixing position between the shifting block 8 and the sliding seat 4, so that the pull rod 6 can move effectively.

Referring to fig. 9-15, in the present embodiment, the elastic element 5 is a spring, the sliding seat 4 includes an upper sleeve portion 45 and a lower sleeve portion 46, the upper sleeve portion 45 and the lower sleeve portion 46 are covered with each other, the pull rod 6 is disposed between the upper sleeve portion 45 and the lower sleeve portion 46, the pull rod 6 is provided with a receiving groove 64, the sliding seat 4 is provided with a positioning block 44 penetrating into the receiving groove 64, the spring is received in the receiving groove 64, two ends of the spring are respectively abutted against the side walls of the positioning block 44 and the receiving groove 64, the pull rod 6 slides in the sliding seat 4, and the sliding direction of the pull rod 6 is perpendicular to the sliding direction of the sliding seat 4.

In this embodiment, a shaft body 63 is disposed at one end of the pull rod 6, the shaft body 63 is disposed in the movable groove 81, and the pull rod 6 is easily movable in the movable groove 81 through the shaft body 63.

Referring to fig. 7-8, in the present embodiment, the first groove 92 is a right-angle groove to ensure that the plug can be locked firmly after being fully extended.

In this embodiment, a second groove 91 is formed at the starting end of one side of the fixing frame 9, when the plug is in the invalid position, the guide block 61 is clamped in the second groove 91, the second groove 91 is provided with a displacement inclined surface 93, and when the plug moves from the invalid position to the valid position, the displacement inclined surface 93 enables the guide block 61 to move out of the second groove 91.

It should be noted that the "initial end" of the fixing frame 9 refers to the position of the second groove 91 of the fixing frame 9 corresponding to the guiding block 61 when the plug is in the inactive position. Through being equipped with second recess 91 at the initiating terminal of mount 9 one side, when the plug was completely taken in casing 1, guide block 61 card was gone into in second recess 91, prevented that the plug from stretching out after taking in casing 1 by accident. The second groove 91 is a slope groove, and when the plug is pushed out, the guide block 61 moves out of the second groove 91 under the action of the displacement slope 93.

In this embodiment, the guide block 61 on the pull rod 6 protrudes out of the side surface of the sliding seat 4, and the guide block 61 is provided with the guide inclined surface 62 corresponding to the displacement inclined surface 93 of the second groove 91, so that the guide block 61 is more easily separated from the second groove 91 when the plug extends out of the housing 1 through the combined action of the guide inclined surface 62 and the displacement inclined surface 93.

Referring to fig. 8, in the present embodiment, a total of four fixing frames 9 are disposed in the housing 1, wherein two guide blocks 61 on the pull rod 6 of the european style plug 31 are respectively located at two sides of the pull rod 6 and respectively correspond to one fixing frame 9. Two guide blocks 61 on the pull rod 6 of the British plug 32 are positioned on the same side of the pull rod 6, two guide blocks 61 on the pull rod 6 of the American plug 33 are positioned on the same side of the pull rod 6, and the guide blocks 61 on the pull rod 6 of the British plug 32 and the guide blocks 61 on the pull rod 6 of the American plug 33 are arranged oppositely and share two fixing frames 9.

The using method of the invention is as follows: in the initial state, the plug is retracted into the housing 1, and the guide block 61 on the pull rod 6 is located in the second groove 91 of the fixing frame 9, so as to prevent the plug from extending outwards when not in use. When the plug is needed to be used, the sliding seat 4 can be pushed by the push-in key 7 to move along the push-out groove 14 towards the plug groove 17, the guide block 61 is moved out of the second groove 91 through the displacement inclined surface 93 of the second groove 91, and the guide block 61 moves towards the plug groove 17 by clinging to the side surface of the fixed frame 9 under the action of the elastic force of the spring. When the plug completely extends out of the housing 1, the guide block 61 is clamped into the first groove 92 at the tail end of the fixing frame 9, meanwhile, the connecting sheet 41 on the plug is in butt joint with the conductive elastic sheet 12, and the conductive elastic sheet 12 is connected with the clamping elastic sheet 21 through the conductive column 18, so that the plug is electrically connected with the jack 11 in the jack integration area, and the plugs of different types are converted for use.

The guide block 61 is clamped into the first groove 92, so that the plug is locked, the plug is prevented from returning when in use, and the use stability is improved. When the plug needs to be retracted, the push-retraction key 7 is pushed reversely, the shaft body 63 at one end of the pull rod 6 compresses the elastic element 5 under the action of the offset inclined plane 82 in the movable groove 81 of the shifting block 8, so that the guide block 61 is withdrawn from the first groove 92, and the locking state of the plug is released until the plug is completely retracted into the shell 1. The whole operation process is simple, additional action is not needed, and the use is convenient.

Referring to fig. 9-11, the european plug 31 includes two round pins 311 and an euro-standard sleeve 312, the two round pins 311 are arranged in parallel on the sliding seat 4, the euro-standard sleeve 312 is slidably connected to the two round pins 311, and the two round pins 311 extend into the euro-standard sleeve 312. When the sliding seat 4 slides to the bottom surface of the housing 1, the sliding seat 4 pushes out the euro-scale sleeve 312. It should be noted that, in this embodiment, since the euro-standard sleeve 312 is additionally designed outside the two round pins 311 according to the european standard, a good guiding effect can be achieved, and the overall length of the euro-type plug 31 conforms to the standard length.

Referring to fig. 12-13, the american-style plug 33 includes two flat pins 331, and the two flat pins 331 are juxtaposed on the sliding seat 4.

The two flat pins 331 are rotatably connected to the sliding seat 4, and when the american style plug 33 extends out of the housing, the two flat pins 331 are rotated to make the two flat pins 331 in a splayed shape, so that the american style plug can be converted into an australian style plug.

Referring to fig. 14-15, the english plug 32 includes a first square pin 321, a second square pin 322, and a third square pin 323, the first square pin 321 and the second square pin 322 are disposed in parallel, and the third square pin 323 is disposed on the center line of the first square pin 321 and the second square pin 322, and the three are arranged in a triangle.

The European-style plug 31, the British-style plug 32 and the American-style plug 33 are arranged closely, so that the plug is compact in structure and space-saving. When a consumer needs to use a certain type of plug, the corresponding plug is pushed out of the shell 1, so that conversion from one plug to multiple plugs is realized.

Referring to fig. 17-18, specifically, the baffle 13 is attached to the inner wall of the housing 1, the bottom surface of the housing 1 is provided with a translation groove 132 for the baffle 13 to move, the translation groove 132 enables the baffle 13 to move in a direction perpendicular to the pushing groove 14, and the inlets of the sliding grooves 131 on the baffle 13 are in one-to-one correspondence with the key shafts 30. Because the key shaft 30 is accommodated in the push slot 14 of the housing 1 and the sliding slot 131 is not completely parallel to the push slot 14, when one key shaft 30 of the european plug 31, the english plug 32, or the american plug 33 moves along the push slot 14 toward the plug slot 17, the key shaft 30 will push the barrier 13 to translate along the translation slot 132 toward one side through the sliding slot 131, so that the key shaft 30 of any other plug cannot align with the entrance of the respective sliding slot 131, and the key shaft 30 of any other plug is clamped at the upper edge of the entrance of the sliding slot 131 of the barrier 13, thereby forming a limiting effect of blocking any other plug from moving to an effective position outside the housing 1.

Referring to fig. 18, furthermore, two elastic blocks 133 are disposed at two sides of an inlet of one of the sliding slots 131 on the baffle 13, a limiting frame 134 corresponding to the elastic blocks 133 is disposed in the housing 1, the elastic blocks 133 abut against the limiting frame 134, and when the elastic blocks 133 are in a non-deformation state, the inlets of the sliding slots 131 on the baffle 13 are aligned with the corresponding key shafts 30 one by one.

The two elastic blocks 133 of the baffle 13 are located in the limiting frame 134, when the plugs are all retracted into the housing 1, the elastic blocks 133 on the baffle 13 are in a non-deformation state, and the elastic blocks 133 abut against the limiting frame 134. When one of the key shafts 30 moves towards the plug slot 17 along the pushing slot 14 and the baffle 13 is enabled to move horizontally through the sliding slot 131, the elastic block 133 on the corresponding side of the moving direction of the baffle 13 and the limiting frame are elastically extruded, and when the key shaft 30 moves towards the insertion hole 11 along the pushing slot 14 and retracts the plug, the elastic block 133 rebounds to reset the baffle 13, so that the key shafts 30 are aligned with the inlets of the respective sliding slots 131, the baffle 13 is prevented from shaking randomly, and the use stability is improved.

Referring to fig. 14-15, the english plug 32 includes a first square pin 321, a second square pin 322, and a third square pin 323, the first square pin 321 and the second square pin 322 are disposed in parallel on the sliding seat 4, a push rod 324 is disposed on the sliding seat 4 between the first square pin 321 and the second square pin 322, the third square pin 323 is disposed on the center line of the first square pin 321 and the second square pin 322, a conductive elastic sheet 12 electrically connected to the connecting sheet 41 is fixedly disposed in the housing 1, one end of the third square pin 323 is hinged to the hinge seat 327, and when the first square pin 321 and the second square pin 322 extend out of the housing 1, the push rod 324 pushes out the other end of the third square pin 323 to the outside of the housing 1.

In the non-use state, the third corner pin 323 is received in the housing 1, and the third corner pin 323 is perpendicular to the first corner pin 321 and the second corner pin 322. When the British plug 32 is pushed out by the push-in key 7, the first square pin 321 and the second square pin 322 fixed on the sliding seat 4 directly extend out of the housing 1, the third square pin 323 hinged with the hinged seat 327 rotates and extends out of the housing 1 under the push of the push rod 324, and after the first square pin 321 and the second square pin 322 completely extend out, the third square pin 323 rotates to be parallel to the first square pin 321 and the second square pin 322, so that the first square pin 321, the second square pin 322 and the third square pin 323 are combined into the complete British plug 32. After use, the sliding seat 4 is pushed by the push-in key 7 to move reversely, so that the first square pin 321 and the second square pin 322 are retracted into the housing 1, and the third square pin 323 is rotated and retracted into the housing 1. The structural design saves the whole space of the invention, reduces the volume, and leads the invention to have compact structure, small size and portability.

Referring to fig. 16, in particular, the hinge seat 327 is provided with a stop surface 325 for limiting the rotation angle of the third corner pin 323.

The bottom surface of the hinge seat 327 is provided with a stop surface 325, one end of the third corner pin 323 is provided with a stop inclined surface 326 matched with the stop surface 325, when the third corner pin 323 rotates to form 90 degrees with the surface of the shell 1, the stop inclined surface 326 abuts against the stop surface 325, so that the third corner pin 323 is fixed, and the stability in plugging is ensured.

Symmetrical metal frames 22 are arranged in the shell 1 corresponding to the positions of the clamping elastic sheets 21, the clamping elastic sheets 21 which are symmetrically distributed are respectively and fixedly connected to the metal frames 22 on the two sides, and the metal frames 22 on the two sides are respectively connected with a live wire and a zero wire.

Referring to fig. 19 to 20, specifically, a safety protection block 15 is disposed between the housing 1 and the clamping spring 21, the safety protection block 15 blocks the insertion hole 11 of the insertion hole integrated area, the safety protection block 15 is elastically connected to the housing 1 through an elastic body 16, and a pushing inclined plane 151 for pushing the safety protection block 15 to compress the elastic body 16 so that the safety protection block 15 deviates from the insertion hole 11 is disposed on the safety protection block 15.

In this embodiment, the elastic body 16 is a spring, and the safety protection block 15 has three blocks, which are respectively disposed corresponding to the positions of the insertion holes 11. Through safety protection piece 15 blocking jack 11, safety protection piece 15 passes through the combination of inside restriction structure, reaches the unilateral male purpose of restriction, is favorable to guaranteeing the power consumption safety. By providing the push slopes 151 on the safety protection block 15, the plug can be easily inserted into the jack 11.

Referring to fig. 21, specifically, a USB charging circuit board 2 is disposed in the housing, the USB charging circuit board 2 is electrically connected to the conductive elastic sheet 12, a USB interface 23 and a USB TYPE-C interface 24 are disposed on the USB charging circuit board 2, and the USB interface 23 and the USB TYPE-C interface 24 are respectively located on a side surface of the housing 1.

The USB charging circuit board 2 is provided with electronic components such as a transformer, which can reduce the voltage of the standard commercial power supply to a low voltage for charging the common electronic digital products, so as to provide the mobile phone and the tablet personal computer with the electronic digital products through the USB interface 23 and the USB TYPE-C interface 24 for fast charging.

The USB charging circuit board 2 is further provided with a power-on indicator lamp, the power-on indicator lamp is electrically connected with the USB charging circuit board 2, and a lamp hole 96 is formed in the USB interface surface on one side of the shell 1.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.

Claims

1. A multifunctional adapter plug is characterized by comprising a shell, a plurality of plug components movably arranged on the shell, an interlocking piece arranged between two adjacent plug components and a jack integration area positioned on the side surface of the shell, wherein each plug component comprises a pin and a sliding component, each sliding component comprises a sliding seat, an elastic piece, a pull rod, a push-in key, a key shaft and a shifting block, the sliding seats are connected with the shell in a sliding mode, the pull rod is arranged in the sliding seat, the key shaft of the push-in key is connected with the end part of the pull rod through the shifting block, a push groove corresponding to the key shaft is formed in the side surface of the shell, the pin is fixedly arranged on the sliding seats, and a plug groove corresponding to the plug is formed in the shell; a fixed frame parallel to the sliding direction of the sliding seat is arranged in the shell, a guide block is arranged on the pull rod, the pull rod is elastically connected with the sliding seat through an elastic piece, a first groove is formed in the tail end of one side of the fixed frame, and the guide block is clamped in the first groove; a movable groove is formed in the shifting block, a shaft body arranged in the movable groove is arranged at the end part of the pull rod, an offset inclined plane is arranged in the movable groove, and the shaft body is abutted to the offset inclined plane; the interlocking piece comprises a baffle plate, sliding grooves which correspond to the pushing grooves one to one are formed in the baffle plate, the sliding grooves are not completely parallel to the pushing grooves, and the adjacent distance between each sliding groove and the corresponding sliding groove is inconsistent with the adjacent distance between each corresponding pushing groove and the corresponding pushing groove.

2. A multi-function patch plug according to claim 1, wherein: the starting end of one side of the fixing frame is provided with a second groove for accommodating the guide block, wherein the side surface of the second groove is a displacement inclined plane.

3. A multi-function patch plug according to claim 2, wherein: the plug comprises an European plug, an English plug and an American plug, and the European plug, the English plug and the American plug are sequentially arranged.

4. A multi-functional patchplug according to claim 3 wherein two resilient blocks are provided on each side of the entrance of one of the chutes on the shield, and a stop is provided in the housing corresponding to the resilient block, the resilient block abutting against the stop.

5. A multi-function patch plug according to claim 4, wherein: the British plug comprises a first square angle pin, a second square angle pin and a third square angle pin, wherein the first square angle pin and the second square angle pin are arranged on a sliding seat in parallel, an ejector rod is arranged in the middle of the first square angle pin and the second square angle pin on the sliding seat, the third square angle pin is arranged on the center line of the first square angle pin and the center line of the second square angle pin, a hinged seat is fixedly arranged in the shell, and one end of the third square angle pin is hinged to the hinged seat.

6. A multi-function patch plug according to claim 5, wherein: and the hinge base is provided with a stop surface for limiting the rotation angle of the third corner pin.

7. A multi-function patch plug according to claim 3, wherein: the American-style plug comprises two flat plug pins which are arranged on the sliding seat in parallel and are rotationally connected with the sliding seat.

8. A multi-function patch plug according to claim 7, wherein: the casing is inside to be equipped with the elastomer and correspond with the jack integrated area and be equipped with the safety protection piece, the safety protection piece passes through elastomer and casing elastic connection, be equipped with on the safety protection piece and be used for promoting safety protection piece compression elastomer makes the safety protection piece skew the promotion inclined plane of jack.

9. A multi-function patch plug according to claim 1, wherein: the shell is internally provided with a slide rail parallel to the sliding direction of the sliding seat, and two sides of the sliding seat are provided with slide blocks sleeved on the slide rail.

10. A multi-function patch plug according to claim 3, wherein: the European-style plug comprises two round pins and an European-style sleeve, the two round pins are arranged on the sliding seat in parallel, the European-style sleeve is connected with the two round pins in a sliding manner, and the two round pins stretch into the European-style sleeve.