CN201774009U

CN201774009U - power plug

Info

Publication number: CN201774009U
Application number: CN2010202706929U
Authority: CN
Inventors: 许荣辉; 刘铭聪
Original assignee: Powertech Industrial Co Ltd
Current assignee: Powertech Industrial Co Ltd
Priority date: 2010-07-21
Filing date: 2010-07-21
Publication date: 2011-03-23
Anticipated expiration: 2020-07-21

Abstract

The utility model discloses a power plug, it includes that a pedestal, a first pin joint piece, a second pin joint piece, a first participate in, a second participate in and a third participate in. Wherein the seat body is provided with a containing part; the first pivoting piece and the second pivoting piece are respectively and rotatably arranged in the accommodating part; one end of the first pin and one end of the second pin are respectively accommodated in the first pivot piece, and the first pin and the second pin can be selectively accommodated in the accommodating part along with the rotation of the first pivot piece; one side of the first pin joint piece is provided with a groove which is positioned between the first pin and the second pin; one end of the third pin is accommodated in the second pivot piece. When the first pin and the second pin are accommodated in the accommodating part, the third pin can be selectively accommodated in the groove along with the rotation of the second pivot piece. The utility model discloses can participate in the first, the second participates in and the third participates in and accomodates in less holding portion, and reaches the third and participates in and accomodate and the effect of standing earlier than participating in and the second is participated in the back.

Description

Attaching plug

Technical field

The utility model relates to a kind of attaching plug, relates in particular to the attaching plug that can take in pin.

Background technology

Along with constantly improving of modern society, electric equipment products miscellaneous are weeded out the old and bring forth the new, and people's life also more and more be unable to do without electric equipment products.The work major part of electric equipment products is dependent on power supply, and electric equipment products usually by plug as the interface that is connected with power supply, to obtain the required electric power of its work.Therefore, along with diversified electric equipment products develop apace, use the fail safe and the practicality of plug also to become important more.

Existing attaching plug design has two pins or three pins, is applied to have the socket of two jacks and three jacks respectively.Wherein, the attaching plug with two pins can be applied to have the socket in two holes or three holes, and the attaching plug with three pins only can be applied to the socket in three holes.Therefore, when the user did not have the socket of three jacks on hand, the earth pin that the user often will have in the attaching plug of three pins was pulled out, to be applied to the socket in two holes.

The attaching plug that will have three pins for the convenience of the users is applied to the socket in two holes, and needn't arduously earth pin be pulled out, attaching plug development now a kind of can and being accommodated in the attaching plug earth pin bending, makes the plug with three pins just can be applicable to the socket in two holes through bending earth pin like a cork.Yet, the expert represent to pull out earth pin may cause electric equipment products under "on" position because of no ground connection produces electric leakage, allow the user that the danger of electric shock is arranged, therefore, the plug of no earth pin has the doubt on the safety in use.

Simultaneously, for adapting to the portability of modernized electric equipment products, outstanding pin will be unfavorable for taking in of electric equipment products, therefore, how to use safely to reach and take in plug easily, and be the problem that those skilled in the art will study.

Summary of the invention

The purpose of this utility model is for providing a kind of attaching plug that can take in pin alternately and have the order of taking in, to solve the prior art attaching plug problem on the safety arranged in use.

In order to reach above-mentioned purpose, the utility model provides a kind of attaching plug, and a kind of attaching plug comprises: a pedestal has a holding part; One first articulated part is arranged in this holding part rotationally, and this first articulated part has a groove; One first pin and one second pin, one end of this first pin and an end of this second pin are arranged on this first articulated part respectively and lay respectively at the both sides of this groove, and this first pin and this second pin selectively are contained in this holding part with the rotation of this first articulated part; One second articulated part is arranged in this holding part rotationally; And one the 3rd pin, an end of the 3rd pin is placed in this second articulated part, and when this first pin and this second pin were placed in this holding part, the 3rd pin selectively was placed in this groove with the rotation of this second articulated part.

In above-mentioned attaching plug, the both sides of this first articulated part have a pivot respectively, and this pedestal to have two axis holes corresponding with described pivot respectively.

In above-mentioned attaching plug, the both sides of this second articulated part have a pivot respectively, and this pedestal to have two axis holes corresponding with described pivot respectively.

In above-mentioned attaching plug, this pedestal has a jack.

In above-mentioned attaching plug, this attaching plug is a charger or a power-supply adapter.

That is to say that one of them embodiment comprises a pedestal, one first articulated part, one second articulated part, one first pin, one second pin and one the 3rd pin, wherein pedestal has a holding part; First articulated part and second articulated part are arranged in the holding part respectively rotationally, and first articulated part has a groove; One end of first pin and an end of second pin are arranged at respectively in first articulated part, and first pin and second pin selectively are contained in the holding part with the rotation of first articulated part; Groove is arranged at a side of first articulated part, and groove is between first pin and second pin; One end of the 3rd pin is placed in second articulated part, and the 3rd pin selectively is contained in the groove with the rotation of second articulated part.

Above-mentioned the 3rd pin only just selectively is placed in holding part when first pin and second pin are placed in the holding part, reach to take in the effect that first pin and second pin are then taken in the 3rd pin earlier; When attaching plug is connected with socket, must earlier the 3rd pin be produced from holding part, just can use first pin and second pin.

In addition, in order to reach described purpose, the utility model also provides a kind of attaching plug, comprising: a pedestal has a holding part; One first articulated part is arranged in this holding part rotationally, and this first articulated part has a groove; One first pin and one second pin, one end of this first pin and an end of this second pin are arranged on this first articulated part respectively and lay respectively at this groove both sides, and this first pin and this second pin selectively are contained in this holding part with the rotation of this first articulated part; One second articulated part is arranged in this holding part rotationally; One moving part is arranged between this first articulated part and this second articulated part, to drive the rotational synchronization ground counter-rotation of this second articulated part with this first articulated part; And one the 3rd pin, an end of the 3rd pin is placed in this second articulated part, and the 3rd pin is placed in this groove with the rotation of this second articulated part.

In above-mentioned attaching plug, this moving part is one first gear part and one second gear part, and this first gear part is arranged on this first articulated part, and this second gear part is arranged on this second articulated part, this first gear part and the engagement of this second gear part.

That is to say that among embodiment, described attaching plug comprises a pedestal, one first articulated part, one second articulated part, one first pin, one second pin, one the 3rd pin and a moving part therein.Wherein pedestal has a holding part; First articulated part and second articulated part can be rotatably set in the holding part respectively, and first articulated part has a groove; One end of first pin and an end of second pin are separately positioned in first articulated part, and first pin and second pin selectively are contained in the holding part with the rotation of first articulated part; Groove is arranged on a side of first articulated part, and between first pin and second pin; Moving part is arranged between first articulated part and second articulated part.

Above-mentioned moving part can drive the rotational synchronization ground counter-rotation of second articulated part with first articulated part; One end of the 3rd pin is arranged in second articulated part, and along with the rotation of second articulated part is contained in the groove, to reach the purpose that can not take in the 3rd pin separately.

In addition, in order to reach described purpose, the utility model also provides a kind of attaching plug, comprising: a pedestal has a holding part; One first articulated part be provided with one first pin and one second pin, and this first articulated part is arranged on rotationally in this holding part; And one second articulated part, be provided with one the 3rd pin, and this second articulated part is arranged on rotationally in this holding part; Wherein, this first articulated part is provided with a protuberance, when this first pin, this second pin and the 3rd pin erect, this protuberance props up this second articulated part, when this first pin, when this second pin rotates inwardly, this protuberance breaks away from this second articulated part, this first pin, this second pin and the 3rd pin turn and are contained in this holding part, from tilt to the process that erects, this protuberance can promote this second articulated part and rotate in the opposite direction with the rotation of this first articulated part at this first pin, this second pin.

In addition, in order to reach described purpose, the utility model also provides a kind of attaching plug, comprising: a pedestal has a holding part; One first articulated part be provided with one first pin and one second pin, and this first articulated part is arranged on rotationally in this holding part; And one second articulated part, be provided with one the 3rd pin, and this second articulated part is arranged on rotationally in this holding part; Wherein, be provided with a stop section between this first articulated part and this second articulated part, this below, stop section is provided with a flexible member, when this first pin, this second pin and the 3rd pin erect, this flexible member promotes this stop section and props up this second articulated part, when this first pin, when this second pin rotates inwardly, this first articulated part is oppressed this stop section and is descended, make this stop section break away from this second articulated part, then this first pin, this second pin and the 3rd pin turn and are contained in this holding part.

In addition, in order to reach described purpose, the utility model also provides a kind of attaching plug, comprising: a pedestal has a holding part; One live wire pin, one end are arranged in this holding part rotationally; One zero line pin, adjacent with this live wire pin, an end of this zero line pin is arranged in this holding part rotationally; An and earth pin, adjacent with this live wire pin and this zero line pin, one end of this earth pin is arranged in this holding part rotationally, and when this live wire pin and this zero line pin were placed in this holding part, this earth pin selectively was contained between this live wire pin and this zero line pin.

In above-mentioned attaching plug, has a groove between this live wire pin and this zero line pin in order to ccontaining this earth pin.

In above-mentioned attaching plug, this attaching plug also comprises a moving part, and this moving part is arranged between this live wire pin and this earth pin, and this moving part drives this earth pin and synchronously rotates with the rotation of this live wire pin.

In above-mentioned attaching plug, this attaching plug also comprises a moving part, and this moving part is arranged between this zero line pin and this earth pin, and this moving part drives this earth pin and synchronously rotates with the rotation of this zero line pin.

That is to say that among embodiment, described attaching plug comprises a pedestal, a live wire pin, a zero line pin and an earth pin therein.Wherein pedestal has a holding part; One end of one end of live wire pin, an end of zero line pin and earth pin is arranged in the holding part respectively rotationally, live wire pin, zero line pin and earth pin selectively is contained in the holding part or outer.

When live wire pin and zero line pin were placed in the holding part, earth pin selectively was placed between live wire pin and the zero line pin, took in the effect that live wire and zero line pin just can be taken in earth pin earlier to reach.

The beneficial effects of the utility model are, by attaching plug provided by the utility model, not only a plurality of pins can be accommodated in less accommodation space, can also prevent to use live wire pin and zero line pin separately and cause the electric leakage problem after earth pin from taking in earlier.

Detailed content and execution mode see also further specifying of the following drawings and embodiment.

Description of drawings

Figure 1A to Fig. 1 C is the schematic diagram of first embodiment of attaching plug of the present utility model;

Fig. 2 is the schematic diagram of second embodiment of attaching plug of the present utility model;

Fig. 3 is the schematic diagram of an embodiment of the moving part of attaching plug of the present utility model;

Fig. 4 is the schematic diagram of an embodiment of the moving part of attaching plug of the present utility model;

Fig. 5 is the schematic diagram of an embodiment of the moving part of attaching plug of the present utility model; And

Fig. 6 is the schematic diagram of one the 3rd embodiment of attaching plug of the present utility model.

Wherein, description of reference numerals is as follows:

1,1 ', 2: attaching plug

100,100 ', 200: pedestal

101,201: holding part

111: the first pins

113: the second pins

115: the three pins

131,231: the first articulated parts

153: the first pivots

151: the first pivot holes

140,240: groove

133,233: the second articulated parts

157: the second pivots

155: the second pivot holes

235: the three articulated parts

170: jack

135: protuberance

191: the stop section

193: flexible member

138: the first gear part

139: the second gear part

211: the live wire pin

213: zero line pin

215: earth pin

Embodiment

Please refer to Figure 1A to Fig. 1 C, be the schematic diagram of first embodiment of attaching plug of the present utility model.Shown in Figure 1A, attaching plug 1 comprises a pedestal 100, one first pin 111, one second pin 113, one the 3rd pin 115, one first articulated part 131, one second articulated part 133.Wherein pedestal 100 has a holding part 101, the first articulated parts 131 and second articulated part 133 rotatably is placed in the holding part 101; One end of one end of first pin 111 and second pin 113 is embedded in respectively in first articulated part 131, and the position of first pin 111 and second pin 113 is respectively in the both sides of first articulated part 131; One end of the 3rd pin 115 is embedded in second articulated part 133.

In the present embodiment, the size of holding part 101 can be held approximately first articulated part 131, second articulated part 133, first pin 111 and exposes to an end of first articulated part 131 and the end that second pin 113 exposes to first articulated part 131; First pin 111 and second pin 113 can selectively be contained in the rotation of first articulated part 131 in the holding part 101, just first pin 111 and second pin 113 can expose with respect to pedestal 100 with the angle of first articulated part, 131 rotations or be placed in wherein, when exposing to pedestal 100, first pin 111 and second pin 113 erect in pedestal 100 surfaces, when being placed in pedestal 100, first pin 111 and second pin 113 tiltably with pedestal 100 clip surfaces one angle; The 3rd pin 115 can be with the angle of second articulated part, 133 rotations with respect to 100 of pedestals or inclination.When first pin 111 and second pin 113 were accommodated in the holding part 101, the incline direction of first pin 111 and second pin 113 was towards the 3rd pin 115; And the direction that the 3rd pin 115 tilts is towards first pin 111 and second pin 113, and is contained between first pin 111 and second pin 113, and promptly the 3rd pin 115 and first pin 111 and second pin 113 are for taking in alternately.

Characteristics of the present utility model are, first articulated part 131 has a groove 140, groove 140 is arranged on a side of first articulated part 131, and the position of groove 140 is between first pin 111 and second pin 113, when first pin 111 and second pin 113 were contained in the holding part 101 with the rotation of first articulated part 131, groove 140 can ccontaining the 3rd pin 115.What deserves to be mentioned is, the position that groove 140 is provided with can prevent when first pin 111 and second pin 113 also erect, when promptly first pin 111 and second pin 113 also are not contained in the holding part 101, the 3rd pin 115 is accommodated in the groove 140, reach the effect of taking in the 3rd pin 115 at last, have the potential hazard of electric leakage to prevent first pin 111 and second pin 113 from using separately.

In the present embodiment, the both sides of first articulated part 131 have one first pivot 151 respectively, and pedestal 100 inboards have one first pivot hole 153 respectively with respect to two first pivots 151.The both sides of second articulated part 133 have one second pivot 155 respectively, and pedestal 100 inboards have one second pivot hole 157 respectively with respect to two second pivots 155.Whereby, first articulated part 131 and second articulated part 133 are arranged in the holding part 101 rotationally, allow first pin 111, second pin 113 and the 3rd pin 115 expose with respect to pedestal 100 or are placed in wherein.During actual enforcement, first pivot 151 and the first pivot hole 153 can be exchanged mutually, and promptly the both sides of first articulated part 131 have the first pivot hole 153 respectively, and pedestal 100 inboards have first pivot 151 with respect to the first pivot hole 153; And second pivot 155 and the second pivot hole 157 also can be exchanged mutually.

Shown in Figure 1B, when first pin 111 and second pin 113 are accommodated in holding part 101, first pin 111 and second pin 113 are positioned at the both sides of second articulated part 133, and the 3rd pin 115 must just can be accommodated in groove 140 when first pin 111 and second pin 113 are accommodated in holding part 101.When the 3rd pin 115 is accommodated in groove 140, first pin 111 and second pin 113 must be accommodated in the holding part 101, the user can be by stirring the state that part that first pin 111 and second pin 113 expose to holding part 101 replys first pin 111 and second pin 113 for erecting, in first articulated part, 131 rotating process, the 3rd pin 115 of ejection synchronously is to respect to pedestal 100 bigger angle of inclination being arranged, at this moment, the 3rd pin 115 can expose to groove 140 and make things convenient for the user to dial to and erect.

During actual enforcement, attaching plug 1 can apply to any extended line socket that has the electric equipment products of plug or have plug; Pedestal 100 can be any erose insulator, first pin 111, second pin 113 and the 3rd pin 115 can be the metallic conduction sheet, wherein first pin 111 can be used as the live wire pin, second pin 113 can be used as zero line pin, the 3rd pin 115 can be used as earth pin, during actual enforcement, the polarity of first pin 111 and second pin 113 is interchangeable.

Please refer to Fig. 2, be second embodiment of attaching plug of the present utility model.As shown in Figure 2, attaching plug 1 ' roughly identical with first embodiment, its difference is, attaching plug 1 ' can be a charger or power-supply adapter can be used to expand limited insertion hole groups number.In the present embodiment, a plurality of jacks 170 of pedestal 100 ' have can be pegged graft for other attaching plugs of identical or different type, for example USB interface etc.

Above embodiment erects first pin 111 and second pin 113 simultaneously or tilts, and the 3rd pin 115 erected earlier with respect to first pin 111 and second pin 113 and after take in, the i.e. rotation of first articulated part 131 and second articulated part 133 is to separate and sequential, unaffected mutually.Several execution modes that driven 133 rotations of second articulated part by first articulated part 131 below will be described, promptly have a moving part between first articulated part 131 and second articulated part 133, synchronously rotate with the rotation of first articulated part 131 to drive second articulated part 133.

Please refer to Fig. 3, be the schematic diagram of an embodiment of the moving part of attaching plug of the present utility model.As shown in Figure 3, other incomplete structures of attaching plug, moving part is a protuberance 135, protuberance 135 is arranged on a side of first articulated part 131, and when first pin 111, second pin 113 and the 3rd pin 115 all erect, protuberance 135 props up second articulated part 133, and rotates with first articulated part 131 and during towards the 3rd pin 115, protuberance 135 breaks away from second articulated parts 133 and turns when first pin 111 and second pin 113.

When first pin 111 and second pin 113 were placed in holding part 101, just when first articulated part 131 turned to maximum angle, protuberance 135 also was contained in the holding part 101 and does not contact with second articulated part 133; When first pin 111 and second pin 113 from tilt to the process that erects, protuberance 135 rotates with the rotation of first articulated part 131 in the opposite direction because of the rotation of first articulated part 131 contacts with second articulated part 133 once more and promotes second articulated part 133.

Please refer to Fig. 4, be the schematic diagram of an embodiment of the moving part of attaching plug of the present utility model.As shown in Figure 4, moving part is a stop section 191, and stop section 191 is arranged between first articulated part 131 and second articulated part 133, and the below of stop section 191 is provided with a flexible member 193, flexible member 193 and stop section 191 against, make stop section 191 liftably be arranged on holding part 101.When first pin 11 and second pin 113 rotate inwardly, first articulated part, 131 compressing stop sections 191 descend, when first pin 111 and second pin 113 are contained in holding part 101, stop section 191 drops to minimum and breaks away from second articulated part 133, and then the 3rd pin 115 selectively is contained in groove 140.When first pin 111, second pin 113 and the 3rd pin 115 erected fully, flexible member 193 can promote stop section 191 and reset and prop up second articulated part 133.During actual enforcement, flexible member 193 can be a spring or shell fragment etc.; Holding part 101 has also that a bolt-lock unit (not shown) locks or the lifting of release stop section 191.

Please refer to Fig. 5, be the schematic diagram of an embodiment of the moving part of attaching plug of the present utility model.As shown in Figure 5, moving part is that one first gear part 138 and one second gear part 139 are separately positioned on first articulated part 131 and second articulated part 133.First gear part 138 and second gear part 139 are intermeshed, first articulated part 131 and second articulated part 133 are synchronously rotated in the opposite direction, just first pin 111, second pin 113 and the 3rd pin 115 are synchronously to erect or tilt, and can not be contained individually to guarantee the 3rd pin 115.First gear part 138 and second gear part 139 can be respectively a complete gear or an a part of gear.

Please refer to Fig. 6, be the schematic diagram of the 3rd embodiment of attaching plug of the present utility model.As shown in Figure 6, the 3rd embodiment and first embodiment are roughly the same, and its difference is that attaching plug 2 has three articulated parts, are respectively first articulated part 231, second articulated part 233 and the 3rd articulated part 235.First articulated part 231, second articulated part 233 and the 3rd articulated part 235 are placed in the holding part 201 respectively rotationally, and groove 240 can be arranged on first articulated part 231 or second articulated part 233.If groove 240 is arranged on first articulated part 231, when the live wire pin 211 that is arranged on first articulated part 231 was placed in holding part 201, earth pin 215 selectively was placed in groove 240; If groove 240 is arranged on second articulated part 233, when the zero line pin 213 that is arranged on second articulated part 233 was placed in holding part 201, earth pin 215 selectively was placed in groove 240.

In the 3rd embodiment, have and also can have one of them moving part (not shown), for example protuberance, stop section or gear part between first articulated part 231 of groove 240 or second articulated part 133 one of them and the 3rd articulated part 235 as Fig. 3 to Fig. 5.For instance, groove 240 is arranged on first articulated section 231, and moving part can synchronously rotate first articulated part 231 and the 3rd articulated part 235 in the opposite direction, can not be used individually to guarantee live wire pin 211 and zero line pin 213.

The practice of comprehensive above-mentioned cited execution mode, the utility model is to utilize rotating articulated part to be arranged in the attaching plug as can be known, make the pin can be in regular turn and oppositely take in the holding part to the pedestal, and required holding part space be less, reaches the effect of neat appearance and safety utilization of electric power.So, attaching plug of the present utility model can solve the conventional power source plug and can't take in pin and cause the problem of taking in inconvenience.

Above-mentioned accompanying drawing that discloses and explanation; only be embodiment of the present utility model; right its is not in order to limit the utility model; any those skilled in the art; when doing various changes and retouching according to above-mentioned explanation; promptly the simple equivalent of doing according to the utility model protection range and description generally changes and modifies, and all still belongs in the protection range of the utility model patent.

Claims

1. A power plug, characterized in that, comprising:

The base has an accommodating portion;

a first pivot member, rotatably arranged in the accommodating part, the first pivot member has a groove;

A first pin and a second pin, one end of the first pin and one end of the second pin are respectively arranged on the first pivot member and are respectively located on both sides of the groove, and the first pin and the The second pin is selectively accommodated in the accommodating portion as the first pivot member rotates;

a second pivot member rotatably arranged in the accommodating portion; and

A third pin, one end of the third pin is accommodated in the second pivot member, when the first pin and the second pin are accommodated in the accommodating part, the third pin follows the second pin The rotation of the pivot member is selectively accommodated in the groove.

2 . The power plug according to claim 1 , wherein two sides of the first pivot member respectively have a pivot, and the base body has two shaft holes respectively corresponding to the pivot. 3 .

3 . The power plug according to claim 1 , wherein two sides of the second pivot member respectively have a pivot, and the base body has two shaft holes respectively corresponding to the pivot. 4 .

4. The power plug as claimed in claim 1, wherein the base body has a socket.

5. The power plug according to claim 1, wherein the power plug is a charger or a power adapter.

6. A power plug, characterized in that it comprises:

a base body having an accommodating portion;

A first pin and a second pin, one end of the first pin and one end of the second pin are respectively arranged on the first pivot member and are respectively located on both sides of the groove, and the first pin and the second The two prongs are selectively accommodated in the accommodating part with the rotation of the first pivotal member;

a second pivot member rotatably arranged in the accommodating part;

a linking piece, arranged between the first pivotal piece and the second pivotal piece, to drive the second pivotal piece to rotate in opposite directions synchronously with the rotation of the first pivotal piece; and

A third pin, one end of the third pin is accommodated in the second pivot member, and the third pin is accommodated in the groove as the second pivot member rotates.

7. The power plug according to claim 6, wherein the linking member is a first gear part and a second gear part, the first gear part is arranged on the first pivot member, and the second The gear part is arranged on the second pivot member, and the first gear part meshes with the second gear part.

8. A power plug, characterized in that it comprises:

a base body having an accommodating portion;

A first pivotal member is provided with a first prong and a second prong, and the first pivotal member is rotatably arranged in the accommodating portion; and

A second pivot member is provided with a third pin, and the second pivot member is rotatably arranged in the accommodating portion;

Wherein, the first pivot member is provided with a protrusion, when the first pin, the second pin and the third pin stand up, the protrusion is against the second pivot member, when the first pin, When the second prong rotates inwardly, the protruding part breaks away from the second pivot member, and the first prong, the second prong and the third prong are rotatable and accommodated in the accommodating part, and the first prong When the prong and the second prong are tilted to stand up, the protrusion can push the second pivotal member to rotate in the opposite direction as the first pivotal member rotates.

9. A power plug, characterized in that it comprises:

a base body having an accommodating portion;

Wherein, a stopper is provided between the first pivotal part and the second pivotal part, and an elastic element is provided under the stopper, when the first pin, the second pin and the third pin stand up , the elastic element pushes the stopper against the second pivot member, and when the first pin and the second pin turn inward, the first pivot presses the stopper down to make the stopper When the stopping part is separated from the second pivot member, the first prong, the second prong and the third prong can rotate and be accommodated in the accommodating part.

10. A power plug, characterized in that it comprises:

a base body having an accommodating portion;

a live wire pin, one end of which is rotatably arranged in the accommodating portion;

a neutral pin, adjacent to the live pin, one end of the neutral pin is rotatably disposed in the accommodating portion; and

A ground wire pin is adjacent to the live wire pin and the neutral wire pin, and one end of the ground wire pin is rotatably arranged in the accommodating portion. When neutral, the ground pin is optionally accommodated between the live pin and the neutral pin.

11. The power plug as claimed in claim 10, wherein there is a groove between the live wire pin and the neutral wire pin for accommodating the ground wire pin.

12. The power plug according to claim 10, characterized in that, the power plug further comprises a linkage, the linkage is arranged between the live pin and the ground pin, and the linkage drives the ground The line pin rotates synchronously with the rotation of the live line pin.

13. The power plug according to claim 10, characterized in that, the power plug further comprises a linkage, the linkage is arranged between the neutral pin and the ground pin, and the linkage drives the The ground pin rotates synchronously with the rotation of the neutral pin.