American conversion plug

Abstract

The utility model discloses an American conversion plug, and belongs to the technical field of conversion plugs. The utility model relates to an American jack socket, which comprises a square shell provided with an American jack group comprising a first main wire hole, a second main wire hole and a ground wire hole, and the bottom of the square shell is provided with an American pin group comprising a first main wire pin, a second main wire pin and a ground wire pin; the total conducting strip group is arranged in the square shell and comprises a first total strip, a second total strip and a third total strip, the first total strip, the second total strip and the third total strip are connected with a first sub-strip, a second sub-strip and a third sub-strip respectively, and each first sub-strip, each second sub-strip and each third sub-strip are provided with plug bushes corresponding to the corresponding jacks respectively; the switch key is used for respectively controlling the preset number of first fragments; the preset value is 2, 3 or 4. The jack groups are distributed on the peripheral side surface of the square shell, the overall occupied area of the conversion plug can be reduced, and the switch keys are distributed at the top of the square shell, so that the use of the jack groups is convenient to regulate and control.

Description

TECHNICAL FIELD

[0001] The utility model relates to conversion plug technical field, especially a kind of American conversion plug. BACKGROUND

[0002] Conversion plug includes pin group and jack group, for the conversion plug of expansion type, a pin group is provided with multiple jack groups, multiple jack groups are distributed side by side on upper surface, and multiple jack groups can be provided for use by one pin group electric connection.But when the area occupied by this kind of conversion plug is larger, it is inconvenient to use. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of American conversion plug, to solve one or more technical problems existing in prior art, at least provide a kind of beneficial selection or create conditions.

[0004] The technical scheme adopted to solve the above technical problems is as follows: an American conversion plug, comprising: a square shell, a plurality of peripheral side surfaces are provided with American jack groups, the American jack group includes three jacks and is respectively a first main line hole, a second main line hole and a ground hole, the bottom of the square shell is provided with an American pin group, the American pin group includes three pins and is respectively a first main line pin, a second main line pin and a ground pin;A total conductive sheet group is arranged in the square shell, the total conductive sheet group includes a first total sheet, a second total sheet and a third total sheet connected with the first main line pin, the second main line pin and the ground pin respectively, the first total sheet, the second total sheet and the third total sheet are respectively connected with a plurality of first sub-sheets, second sub-sheets and third sub-sheets, each of the first sub-sheets, the second sub-sheets and the third sub-sheets is provided with a corresponding jack sleeve corresponding to the corresponding jack;A switch key is arranged on the top of the square shell, the number of the switch key is a preset value, and the preset value of the switch key controls the preset value of the first sub-sheets;The preset value is two, three or four.

[0005] The technical scheme at least has the beneficial effects as follows: the jack group is distributed on the peripheral side surface of the square shell, the occupied area of the conversion plug as a whole can be reduced, and the switch key is distributed on the top position of the square shell to facilitate the use of the jack group.

[0006] As a further improvement of the above technical scheme, the American pin group does not include the ground pin, the third total sheet originally used to connect the ground pin is provided with a connecting section, the preset value is three, and the peripheral side surface of the square shell without the jack is provided with a notch corresponding to the connecting section. It can be adapted to the case of external ground wire.

[0007] As a further improvement of the above technical solution, the connecting section is threaded with a connecting screw, and the head of the connecting screw is in the notch. It is convenient to connect the ground wire.

[0008] As a further improvement of the above technical solution, the square shell is provided with a first mounting seat, the first sub-piece is broken in the middle to form a first contact end and a second contact end, the switch button comprises a guide tab connected to the first contact end and a button block rotatably arranged in the first mounting seat, the button block is provided with a first elastic member and a stylus, the first elastic member provides an elastic force for the stylus to keep abutting against the guide tab, when the button block is swung, the stylus can push the guide tab to contact or leave the second contact end, and the square shell is provided with a through hole for the button block to extend out.

[0009] As a further improvement of the above technical solution, the first contact end is provided with a top block abutting against the guide tab, the guide tab is provided with a flap ear on both sides of the abutting position with the top block, the first mounting seat is provided with a sliding groove for the flap ear to slide in, when the button block is swung, the position of the stylus abutting against the guide tab moves from one side of the abutting position with the top block to the other side, so that the guide tab is swung to contact or leave the second contact end.

[0010] As a further improvement of the above technical solution, the first mounting seat is provided with a limiting block limiting the swing angle of the button block.

[0011] As a further improvement of the above technical solution, the guide tab and the second contact end are provided with contact heads at the positions of mutual contact.

[0012] As a further improvement of the above technical solution, a plurality of preset indicator lights are arranged in the square shell, a plurality of preset indicator lights are arranged on the corresponding first sub-piece and second total piece in parallel, the indicator lights are at the end of the switch button away from the first main line pin, and the square shell is provided with an indicator hole corresponding to the indicator light. It is convenient to observe the switch condition of the switch button.

[0013] As a further improvement of the above technical solution, the square shell is provided with a first sleeve and a plurality of second sleeves, the first sleeve is embedded with a first spiral wire, the second sleeve is embedded with a second spiral wire, one power connection end of all the indicator lights is electrically connected to the corresponding first sub-piece through the corresponding second spiral wire, and the other power connection end of all the indicator lights is electrically connected to the second total piece through the second spiral wire after being collected.

[0014] As a further improvement of the above technical solution, the preset value of the indicator light is integrated on the circuit board, the power connection end of the indicator light forms a power connection area on the circuit board, the first sleeve and the second sleeve are provided with a slot, and one end of the first spiral wire and the second spiral wire respectively abuts against the corresponding power connection area of the circuit board. The installation and power connection of the indicator light can be facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0016] Figure 1 It is a whole structure schematic view of the embodiment one of the present utility model;

[0017] Figure 2 It is an exploded structure schematic view of the embodiment one of the present utility model;

[0018] Figure 3 It is a cross-sectional structure schematic view of the switch key in the embodiment one of the present utility model;

[0019] Figure 4 It is a structure schematic view of the inside of the square shell in the embodiment one of the present utility model;

[0020] Figure 5 It is an exploded structure schematic view of the inside of the square shell in the embodiment one of the present utility model;

[0021] Figure 6 It is a whole structure schematic view of the embodiment two of the present utility model;

[0022] Figure 7 It is a structure schematic view of the inside of the square shell in the embodiment two of the present utility model;

[0023] Figure 8 It is an exploded structure schematic view of the inside of the square shell in the embodiment two of the present utility model.

[0024] 100, square shell;110, first mounting seat;111, sliding groove;112, limiting block;120, second mounting seat;130, third mounting seat;101, through hole;102, notch;103, indicating hole;200, American jack group;210, first main wire hole;220, second main wire hole;230, ground wire hole;300, American plug group;310, first main wire plug;320, second main wire plug;330, ground wire plug;400, total conductive sheet group;410, first total sheet;411, first partial sheet;420, second total sheet;421, second partial sheet;430, third total sheet;431, third partial sheet;

[0025] 500, switch button; 510, first contact end; 520, top block; 530, second contact end; 540, lead sheet; 541, hinged ear; 550, button block; 560, first elastic member; 570, thimble; 580, contact head; 600, connecting section; 610, connecting screw; 620, bushing; 700, indicator light; 710, circuit board; 720, power connection area; 800, first sleeve; 810, second sleeve; 820, first helical wire; 830, second helical wire; 840, clearance notch. DETAILED DESCRIPTION

[0026] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0027] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0028] In the description of the present application, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. is understood as not including the number, above, below, etc. is understood as including the number. If the first, second is described, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of technical features indicated.

[0029] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0030] Embodiment one:

[0031] Reference Figures 1-5The American conversion plug comprises a square shell 100, an American pin group 300, a total conductive sheet group 400 and a switch button 500, and the total conductive sheet group 400 is distributed in the interior of the square shell 100. The square shell 100 is a six-surface cuboid structure, and among the four outer circumferential sides of the square shell 100, three outer circumferential sides are each provided with an American socket group 200, and the American socket group 200 comprises three sockets of a first main line hole 210, a second main line hole 220 and a ground line hole 230. The first main line hole 210 and the second main line hole 220 are both long and narrow and are arranged side by side, and the ground line hole 230 is square and has a circular arc surface close to one side of the middle part of the first main line hole 210 and the second main line hole 220, and the first main line hole 210, the second main line hole 220 and the ground line hole 230 are distributed in a triangular position, so that the American socket group 200 is adapted to an American plug.

[0032] The American pin group 300 is installed at the bottom of the square shell 100 and extends out of the square shell 100. The American pin group 300 comprises three pins of a first main line pin 310, a second main line pin 320 and a ground line pin 330. The cross sections of the first main line pin 310 and the second main line pin 320 are both rectangular, and the cross section of the ground line pin 330 is circular. The first main line pin 310 and the second main line pin 320 are arranged side by side, and the first main line pin 310, the second main line pin 320 and the ground line pin 330 are distributed in a triangular position.

[0033] The total conductive sheet group 400 comprises a first total sheet 410, a second total sheet 420 and a third total sheet 430.

[0034] One end of the first total sheet 410 is connected with the first main line pin 310, and the other end of the first total sheet 410 is respectively connected with three first branch sheets 411. The three first branch sheets 411 are respectively provided with a sleeve 620 away from one end of the first total sheet 410, and the three sleeves 620 correspond to the first main line holes 210 of the three American socket groups 200 respectively. It can be understood that the openings of the three sleeves 620 respectively face the three corresponding first main line holes 210.

[0035] One end of the second total sheet 420 is connected with the second main line pin 320, and the other end of the second total sheet 420 is respectively connected with three second branch sheets 421. The three second branch sheets 421 are respectively provided with a sleeve 620 away from one end of the second total sheet 420, and the three sleeves 620 correspond to the second main line holes 220 of the three American socket groups 200 respectively. It can be understood that the openings of the three sleeves 620 respectively face the three corresponding second main line holes 220.

[0036] One end of the third total piece 430 is connected with the ground pin 330, and the other end of the third total piece 430 is connected with three third partial pieces 431 respectively. The three third partial pieces 431 are respectively provided with a bushing 620 away from the one end of the third total piece 430, and the three bushings 620 correspond to the three ground holes 230 of the American socket group 200 respectively. It can be understood that the openings of the three bushings 620 are respectively towards the three corresponding ground holes 230.

[0037] In summary, the first main wire hole 210, the second main wire hole 220 and the ground hole 230 of the three American socket groups 200 are respectively provided with a bushing 620 one by one, so that when the American plug is inserted into any one of the American socket groups 200, it can be connected to the bushing 620, and then through the corresponding first partial piece 411, the second partial piece 421 and the third partial piece 431, and the total conductive piece group 400, the electrical connection with the American pin group 300 is realized.

[0038] The switch button 500 is provided with three. The three switch buttons 500 are installed side by side on the top of the square shell 100, and the three switch buttons 500 are respectively connected to the three first partial pieces 411 one by one, so that the three switch buttons 500 can independently control the on-off of the three first partial pieces 411, thereby realizing the use control of the three American socket groups.

[0039] The conversion plug of the present application distributes the multiple American socket groups 200 on the outer circumferential side of the square shell 100 respectively, so that the overall volume is small, convenient to carry and use, and the switch button 500 is arranged on the top, which can be convenient to independently control the use of each American socket group 200, very convenient.

[0040] In the present embodiment, the number of American socket groups 200, the number of first partial pieces 411, the number of second partial pieces 421, the number of third partial pieces 431 and the number of switch buttons 500 are equal and correspond to each other one by one. In other embodiments, the preset value of the number of American socket groups 200 can also be two or four.

[0041] The first mounting seat 110, the second mounting seat 120 and the third mounting seat 130 are sequentially stacked and mounted in the inside of the square shell 100 from top to bottom, and the square shell 100 comprises an upper shell and a lower shell which are connected with each other. The American pin group 300 is mounted in the third mounting seat 130 and the pin end extends out of the bottom of the square shell 100. The first total piece 410, the second total piece 420, the third total piece 430, the first partial piece 411, the second partial piece 421 and the third partial piece 431 are all correspondingly mounted between the first mounting seat 110 and the second mounting seat 120, in the second mounting seat 120 and between the second mounting seat 120 and the third mounting seat 130. The first mounting seat 110, the second mounting seat 120 and the third mounting seat 130 can respectively separate the adjacent first total piece 410, the second total piece 420, the third total piece 430, the first partial piece 411, the second partial piece 421 and the third partial piece 431, so as to guarantee that the internal structure does not electrically connect with each other, guarantee the correctness and safety of the conduction, and facilitate the assembly.

[0042] The switch button 500 comprises the guide piece 540 and the button block 550, the bottom of the button block 550 is provided with a cylindrical barrel, the first elastic member 560 and the thimble 570 are mounted in the cylindrical barrel, the first elastic member 560 is a spiral spring, the spiral spring and the thimble 570 are put into the cylindrical barrel backward, so that the spiral spring can provide the elastic force for the thimble 570 to extend out of the cylindrical barrel. Three accommodating grooves are provided side by side on the top of the first mounting seat 110, the left and right sides of the button block 550 are respectively rotatably mounted at the left and right sides of the accommodating grooves, and the top of the square shell 100 is provided with the through hole 101 for the three button blocks 550 to independently extend out, so as to facilitate people to operate the button block 550. The limiting blocks 112 which are integrally formed with the first mounting seat 110 are arranged at the front and back positions of the first mounting seat 110 close to the accommodating grooves, and the button block 550 is limited by the limiting blocks 112 at the front and back positions to be within a certain swing range during the rotation.

[0043] The three first partial pieces 411 are distributed side by side and respectively arranged in the accommodating grooves. The middle part of the first partial piece 411 is disconnected and forms the first contact end 510 and the second contact end 530, the end of the first contact end 510 is upwardly bent and raised to form the top block 520, the top of the top block 520 abuts against the middle position of the guide piece 540, so that the guide piece 540 can swing around the top of the top block 520 as the fulcrum.

[0044] The left and right sides of the part of the guide piece 540 which is lifted by the top block 520 are respectively provided with the warped plate ears 541. The guide piece 540 is arranged at the bottom of the accommodating groove, the two sides of the accommodating groove are respectively provided with the sliding grooves 111, and the two warped plate ears 541 of the guide piece 540 are respectively arranged in the sliding grooves 111 at the two sides of one accommodating groove, the width of the sliding groove 111 is slightly larger than the width of the warped plate ear 541, so as to facilitate the swing of the guide piece 540.

[0045] The top pin 570 is in contact with the top of the conducting tab 540 under the elastic force of the coil spring, and makes the conducting tab 540 swing to one side to be in a stable state, and the button block 550 also swings to the corresponding side to be in a stable state. At this time, one end of the conducting tab 540 is in contact with the second contact end 530 of the first piece 411, so that the originally disconnected first piece 411 can realize the communication conduction through the conducting tab 540. When the button block 550 is manually pushed to swing to the other side to be in a stable state, the top pin 570 compresses the coil spring to slide on the conducting tab 540 from one side to the other side, and promotes the conducting tab 540 to swing to the other side, so that the end of the conducting tab 540 is separated from the second contact end 530, and the disconnected state of the first piece 411 is maintained.

[0046] In order to guarantee the stability of the power connection, the bottom of the end of the conducting tab 540 is provided with a contact head 580, and the top of the second contact end 530 of the first piece 411 is also provided with a contact head 580. The side surface of the two contact heads 580 close to each other is a convex arc surface. When the conducting tab 540 is connected with the second contact end 530, the convex arc surfaces of the two contact heads 580 are in contact with each other and are deformed to guarantee a certain contact area, so as to realize the conduction. The end of the conducting tab 540 away from the contact head 580 is bent to form a convex limiting structure, so as to prevent the top block 520 from slipping out of the range of the conducting tab 540.

[0047] It can be understood that the top pin 570 always maintains the state of being in contact with the conducting tab 540 under the elastic force of the coil spring, so that the conducting tab 540 is always in contact with the top block 520, that is, the conducting tab 540 and the first contact end 510 of the first piece 411 always maintain the conduction state, and the button block 550 is pushed to realize the on-off operation of the conducting tab 540 and the second contact end 530.

[0048] In other embodiments, the switch button 500 can also adopt a press type button structure.

[0049] The square shell 100 is also provided with indicator lights 700, and the number of the indicator lights 700 is the same as that of the switch buttons 500. In this embodiment, the number of the indicator lights 700 is three. The three indicator lights 700 are integrated on one circuit board 710, one power connection end of the three indicator lights 700 is respectively formed with three independent power connection areas 720 on the circuit board 710, and the other power connection end of the three indicator lights 700 is gathered and then formed with one common power connection area 720 on the circuit board 710.

[0050] The first sleeve 800 and the second sleeve 810 are arranged on the top of the square shell 100, and the second sleeve 810 can also be selectively arranged on the circuit board 710. The sidewall of the first sleeve 800 and the sidewall of the second sleeve 810 are both provided with a gap notch 840. The number of the first sleeve 800 is one, and the number of the second sleeve 810 is the same as the number of the indicator lamp 700, that is, the number of the second sleeve 810 in the embodiment is three. The first sleeve 800 is arranged with a first spiral wire 820, and the three second sleeves 810 are respectively arranged with a second spiral wire 830. It can be understood that the first spiral wire 820 and the second spiral wire 830 both have elasticity and conductivity.

[0051] One end of the three second spiral wires 830 respectively abuts against the corresponding first segment 411 after extending out of the corresponding second sleeve 810, and the position where the second spiral wire 830 abuts against the first segment 411 is on the side of the switch key 500 away from the total conductive sheet group 400. The other end of the three second spiral wires 830 respectively abuts against the corresponding independent power connection area 720 after extending out of the gap notch 840.

[0052] One end of the first spiral wire 820 abuts against one of the second segments 421 or the bushing 620 connected with the second segment 421 after extending out of the first sleeve 800. The other end of the first spiral wire 820 abuts against the common power connection area 720 after extending out of the gap notch 840.

[0053] Therefore, the conductive loop of one of the indicator lamps 700 is: the first main line pin 310, the first total sheet 410, the first segment 411, the switch key 500, the second spiral wire 830, the indicator lamp 700, the first spiral wire 820, the second segment 421, the second total sheet 420, and the second main line pin 320. Therefore, when the switch key 500 is opened and the corresponding American socket group 200 is available, the corresponding indicator lamp 700 loop is turned on and the light is on. When the switch key 500 is closed and the corresponding American socket group 200 is unavailable, the corresponding indicator lamp 700 loop is turned off and the light is off.

[0054] The indicator holes 103 are arranged on the top of the square shell 100 in parallel, the number of the indicator holes 103 is the same as the number of the indicator lamps 700, in the embodiment, the number of the indicator holes 103 is three, and the three indicator holes 103 are respectively arranged on the top of the three indicator lamps 700, so that the light of the indicator lamp 700 can pass through the corresponding indicator hole 103 and irradiate to the outside of the square shell 100, and the indication is realized. The three indicator holes 103 are arrow-shaped and point to the corresponding American socket group 200, which is convenient for distinguishing.

[0055] In assembling, the first helical wire 820 and the second helical wire 830 are correspondingly embedded and installed in the first sleeve 800 and the second sleeve 810 of the upper shell, and then the circuit board 710 is installed in the upper shell of the square shell 100 by screws, at this time, the first helical wire 820 and the second helical wire 830 extending out of one end of the gap 840 can be respectively abutted in the corresponding power connection area 720, and the connection of the first helical wire 820 and the second helical wire 830 with the circuit board 710 is completed. The total conductive sheet group 400 and the first sub-sheet 411, the second sub-sheet 421 and the third sub-sheet 431 and the first mounting seat 110, the second mounting seat 120 and the third mounting seat 130 are assembled to form an internal structure, and the switch key 500 can be installed on the top of the first mounting seat 110, and when the upper shell and the lower shell of the square shell 100 are closed, the other end of the first helical wire 820 and the second helical wire 830 is abutted on the corresponding position, so that convenient connection is realized, and the assembly efficiency is high.

[0056] Embodiment two:

[0057] With reference to Figures 6-8 The difference between the embodiment and the embodiment one is that the American plug group 300 in the embodiment does not include the ground plug 330, so as to be adapted to be used on a two-hole socket. The end of the third total sheet 430 originally connected with the ground plug 330 is arranged as a connecting section 600, the connecting section 600 is screw-mounted with a conductive connecting screw 610, a notch 102 is formed on the outer circumferential side of the square shell 100 without the American jack group 200, the position of the notch 102 corresponds to the position of the connecting screw 610, and the head of the connecting screw 610 is exposed in the notch 102. In order to additionally connect a separate ground wire.

[0058] In other embodiments, the structure of the third total sheet 430 and the third sub-sheet 431 can be removed.

[0059] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. An American adapter plug, characterized in that The utility model relates to a square shell, and preset value outer periphery side is equipped with american type jack group, american type jack group includes three jack holes and respectively is first main line hole, second main line hole and ground wire hole, the bottom of square shell is equipped with american type pin group, american type pin group includes three pins and respectively is first main line pin, second main line pin and ground wire pin, total conductive sheet group is set up in square shell, total conductive sheet group includes first total sheet, second total sheet and third total sheet respectively with first main line pin, second main line pin and ground wire pin are connected, first total sheet, second total sheet and third total sheet all are connected with preset value first branch, second branch and third branch respectively, every first branch, second branch and third branch all are provided with respectively corresponding the jack sleeve of corresponding jack hole, Switch button is set up in the top of square shell, and the number of switch button is preset value, and preset value switch button controls preset value first branch respectively, and the preset value is two, three or four. American type pin group does not include ground wire pin, and the third total sheet originally used for connecting ground wire pin is provided with connecting section, the preset value is three, and the outer periphery side of square shell not being equipped with jack hole is provided with the notch corresponding with connecting section. Connecting section is screw-threaded with connecting screw, and the head of connecting screw is in the notch.

2. The adapter plug of claim 1, wherein: Square shell is provided with first mounting seat, the middle part of first branch is disconnected to form first contact end and second contact end, switch button includes guide piece connected with first contact end and button block rotatably arranged in first mounting seat, first mounting seat is provided with first elastic member and ejector pin, first elastic member provides the elastic force that keeps ejector pin from contacting guide piece, when button block swings, ejector pin can push guide piece to contact or leave second contact end, square shell is provided with through hole for button block to extend.

3. The adapter plug of claim 2, wherein: First contact end is provided with top block abutting with guide piece, and guide piece is provided with flap ear on both sides of abutting position with top block, first mounting seat is provided with sliding groove for flap ear to slide, when button block swings, the position of ejector pin abutting with guide piece moves from one side to the other side of abutting position with top block, so that guide piece swings to contact or leave second contact end.

4. The adapter plug of claim 1 wherein: First mounting seat is provided with limiting block limiting the swing angle of button block.

5. The adapter plug of claim 4 wherein: Guide piece and second contact end are provided with contact head at the position of mutual contact, and the opposite side of two contact heads is convex arc surface.

6. The adapter plug of claim 4 wherein: Square shell is provided with preset value indicator lamp, preset value indicator lamp is parallelly connected on corresponding first branch and second total sheet, indicator lamp is away from first main line pin at one end of switch button, and square shell is provided with indicating hole corresponding with indicator lamp.

7. The adapter plug of claim 4 wherein: ​ 8. The adapter plug of claim 1, wherein: ​ 9. The adapter plug of claim 8, wherein: The square shell is provided with a first sleeve and a preset number of second sleeves, the first sleeve is embedded with a first spiral wire, the second sleeve is embedded with a second spiral wire, one power connection end of all the indicator lights is electrically connected to the corresponding first sub-piece through the corresponding second spiral wire, and the other power connection end of all the indicator lights is electrically connected to the second total piece through the second spiral wire after being gathered.

10. The adapter plug of claim 9, wherein: A preset number of the indicator lights are integrally arranged on a circuit board, the power connection end of the indicator light forms a power connection area on the circuit board, the first sleeve and the second sleeve are both provided with a slot, and one end of the first spiral wire and the second spiral wire respectively extends out of the slot and abuts against the corresponding power connection area of the circuit board.

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