CN204834963U - Plug for power source - Google Patents

Abstract

The utility model relates to a plug for power source, the handheld portion that with inserted sheet be connected is reached including the inserted sheet, the inserted sheet is established the conducting strip by clamp in the middle of the insulating piece and is constituteed, the conducting strip is equipped with at least two, the one end of conducting strip is exposed the insulating piece surface and is formed the conductor contact, be equipped with at least two conductors contact on the inserted sheet, the other end of conducting strip stretches into handheld portion and forms the charge jack or the line of connecting. Compared with the prior art, the utility model discloses a lamellar inserted sheet with two of traditional plug or three terminal with the mode setting of conductor contact same inserted sheet on the surface, make three -dimensional plug become the plane plug, the plug of this kind of thin slice shape can reduce the space that traditional plug occupied to practice thrift the quantity that is used for making the insulating material of plug, had advantages such as simple installation, the contact is reliable, the power supply is stable, the use is nimble simultaneously.

Description

a power plug

technical field

The utility model relates to a power plug.

Background technique

For the electrical power plugs used in daily life, various electrical appliance manufacturers use traditionally shaped power connection plugs to manufacture power connection lines so that each corner of the power connection line plugs is exposed in a strip shape to occupy space. With the development of social economy, a large number of portable computers and portable electrical appliances are used in daily life; it is a very common thing for anyone to use a power connection line to get electricity from a power supply through a power plug in order to apply these electrical appliances. The traditional plug with two, three or four prongs is easy to pierce the travel bag under the action of external force because each metal prong is very sharp and exposed. Therefore, it is not convenient to carry such a conventional power connection cable in a travel bag.

Chinese patent 103956620A discloses a smart home power connection system. The power connection system includes a power connection guide rail and a socket board module; there are slots on the top surface of the power connection guide rail, and three conductive copper wires are placed in the slots. The conductive copper wires They are respectively connected to the live wire, neutral wire and ground wire of the power supply; the socket board module can be inserted into the slot of the power connection guide rail. By rationally modifying the wiring form to replace the traditional way of buried wall wiring in advance, the complexity of decoration is simplified and the convenience of installation is increased. Use the position of the skirting line to set the power connection guide rail (extend the power bus system to all rooms, and provide sockets for electrical plugs with the socket board module that can be plugged anywhere, so as to provide available power for household appliances nearby. The whole system is easy to install and easy to operate , beautiful and practical, suitable for popularization in ordinary household smart home electrical systems, there is a broad space for development and utilization. The socket board module in this patent can conveniently provide available power for household appliances, but the socket board module still cannot replace the role of traditional plugs, so A power plug is provided for conveniently changing people's traditional electricity consumption mode.

Utility model content

The purpose of this utility model is to provide a portable power plug in order to overcome the above-mentioned defects in the prior art.

The purpose of this utility model can be achieved through the following technical solutions:

A power plug, comprising a plug and a handle connected to the plug, the plug is composed of a conductive sheet interposed between an insulating sheet, at least two conductive sheets are provided, and one end of the conductive sheet is exposed from the insulating sheet Conductor contacts are formed on the outer surface, and at least two conductor contacts are provided on the insertion piece, and the other end of the conductive piece extends into the handle to form a charging jack or connect a power line.

Wherein, at least two conductor contacts are arranged on the same surface of the insertion piece.

The conductor contacts can be arranged on the same surface of the insert, or the conductor contacts can be dispersedly arranged on different sides of the insert, or at least one of the conductor contacts can be arranged on the bottom surface of the insert.

A conductive hole is opened on the side or bottom of the insulating sheet, and one end of the conductive sheet protrudes from the conductive hole on the insulating sheet to form a conductor contact.

When there are only two conductive sheets, the conductor contacts formed by the two conductive sheets are respectively used to abut and conduct with the live wire and the neutral wire.

When there are three conductive sheets, the three conductive sheets form three conductor contacts on the insulating base sheet, which are respectively used to contact and conduct with the live wire, the ground wire and the neutral wire, and the three conductor contacts are respectively located at different heights. Preferably, The distance between the conductor contact for abutting and conducting with the live wire is the shortest from the inserting end of the insert.

The conductor contacts are preferably configured as elastic conductor contacts.

The insulating sheet can be an integral structure, at this time, the conductive sheet is embedded inside the integrated structure, or the insulating sheet can also be formed by covering an insulating bottom sheet and an insulating cover sheet, and at this time, the conductive sheet The sheet is arranged between the insulating bottom sheet and the insulating cover sheet.

In a preferred implementation manner, the handle part and the insertion piece are of an integral structure.

In a further preferred embodiment, the insertion piece, the handle part and the power cord are integrally constructed in one piece.

The insert is a planar structure. The insert is preferably rectangular in shape.

The handle is an insulator.

Preferably, the power plug further includes a plug cover for covering and protecting the plug blades, so as to prevent the plug blades from being bent, twisted or broken under the action of external force.

Preferably, a wiring channel is provided inside the handle, one end of the conductive sheet exposes the outer surface of the insulating sheet to form a conductor contact, and the other end of the conductive sheet extends into the wiring channel of the handle. At this time, the power plug also includes an insulating plug and a conductive connecting piece, the insulating plug is plugged into the wiring channel in the handle, and the conductive connecting piece is arranged in the insulating plug and has the same number as the conductive pieces. One end of the conductive connecting piece is opposite to the end of the conductive piece in the wiring channel for abutting conduction, and the other end of the conductive connecting piece forms a charging jack or connects to a power line. The other end of the power cord can be connected to any kind of power socket or plug or electrical appliance.

The insulating plug is provided with a protrusion matching the wiring channel on the handle, so that the insulating plug can be plugged into the handle. The protrusion and the wiring channel adopt a plug-in, screw-in or screw-type connection structure.

When the plug-in connection structure is adopted, the wiring channel is preferably a long groove or an inverted T-shaped groove. When a screw connection or screw connection structure is adopted, the wiring channel is preferably a cylindrical structure.

Wherein, the power cord is composed of an insulating sheath and a wire core, and the wire core is used for connecting with the conductive connecting piece.

When the power plug of the utility model is used, it is used as a supporting power connection guide rail. There are three conductors installed in the power connection guide rail, which are respectively connected to the live wire, ground wire and neutral wire of the power supply. The conductors are rigid conductors. When in use, the utility model A new type of power plug blade is inserted into the power connection guide rail, so that the conductor contacts on the blade are in contact with three rigid conductors, and the power plug is electrified.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

(1) The two or three binding posts of the traditional plug are arranged on the same surface of the plug in the form of conductor contacts by using a sheet-shaped insert, so that the three-dimensional plug becomes a flat plug. This sheet-shaped plug can reduce the The space occupied by the traditional plug and the amount of insulating material used to manufacture the plug are saved, meeting the requirements for energy saving and emission reduction.

(2) In the utility model, the three conductor contacts are respectively arranged at different heights of the inserts, and the distance between the specific insert ends of the conductor contacts for contacting and conducting with the live wire is the closest. This structure changes the traditional The insertion angles of the plug are of the same height structure. This structure of setting the height of the neutral wire, the ground wire and the live wire at different points on the two-dimensional plane makes it safer to take electricity and is not easy to get an electric shock, and the connection point of the live wire is set closest to the insertion point. The position of the end is used to prevent electric sparks from being generated between conductors due to friction when taking electricity.

(3) The two or three conductor contacts connected to the power supply provided on the insert of the power plug of the utility model are on the same plane of the insert or on the two surfaces of the insert. The conductor is connected to the live wire, the ground wire and the neutral wire of the power supply, and the three rigid conductors are also located in the same plane, and the three conductor contacts are respectively connected and conducted with the three rigid conductors. On the one hand, when the conductor contacts are set as elastic conductor contacts, the reliability and stability of the connection are guaranteed through elastic deformation; The ground is inserted into the power connection guide rail, and it will not affect each other to cause deformation of the conductors in the power connection guide rail and cause poor contact.

(4) The power supply plug of the utility model can be inserted anywhere on the power connecting guide rail, so it can be used flexibly.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of power plug in embodiment 1;

Fig. 2 is a schematic diagram of the front view of the power plug in Embodiment 1;

FIG. 3 is a schematic diagram of the rear view structure of the power plug in Embodiment 1;

Fig. 4 is a left view structural diagram of the power plug in Embodiment 1;

Fig. 5 is a schematic top view structural diagram of the power plug in Embodiment 1;

Fig. 6 is a left view structural diagram of the power plug in embodiment 4;

Fig. 7 is a schematic top view structural diagram of the power plug in Embodiment 4;

Fig. 8 is the schematic diagram of the three-dimensional structure of insulating joint and connection wire in embodiment 7;

Fig. 9 is the schematic diagram of the front view structure of insulating joints and connecting wires in embodiment 7;

Fig. 10 is a left view structural representation of insulating joints and connecting wires in Embodiment 7;

Fig. 11 is a top view structural schematic diagram of insulating joints and connecting wires in Embodiment 7;

Fig. 12 is a three-dimensional structural schematic diagram of insulating joints and connecting wires in Embodiment 8;

Fig. 13 is the schematic diagram of the front view structure of insulating joints and connecting wires in embodiment 8;

Fig. 14 is a schematic diagram of the three-dimensional structure of the power plug in Embodiment 9;

Fig. 15 is a schematic diagram of the three-dimensional structure of the power plug in Embodiment 10;

Fig. 16 is a schematic diagram of the three-dimensional structure of the power plug in Embodiment 11;

Fig. 17 is a schematic diagram of the front view of the power plug in Embodiment 13;

Figure 18 is a schematic side view of the power plug in Embodiment 13;

Fig. 19 is a schematic diagram of the front view of the power plug in Embodiment 14;

Figure 20 is a schematic side view of the power plug in Embodiment 14;

Fig. 21 is a schematic diagram of the three-dimensional structure of the power plug in Embodiment 15;

Fig. 22 is a front structural schematic diagram of the power plug in Embodiment 15;

23 is a schematic top view of the power plug in Embodiment 15;

24 is a schematic diagram of the three-dimensional structure of insulating joints and connecting wires in Embodiment 15;

Fig. 25 is the schematic diagram of the front view structure of insulating joints and connecting wires in Embodiment 15;

Fig. 26 is a bottom-view structural schematic view of insulating joints and connecting wires in Embodiment 15;

Fig. 27 is a schematic diagram of an exploded structure of the power plug in Embodiment 16;

Figure 28 is a second schematic diagram of the exploded structure of the power plug in Embodiment 16;

Figure 29 is a schematic front view of the power plug in Embodiment 17;

Figure 30 is a schematic side view of the power plug in Embodiment 17;

Fig. 31 is a schematic bottom view of the power plug in Embodiment 17.

Explanation of reference numerals: 1 is an insulating base, 2 is an insulating cover, 3 is a conductor contact of a live wire, 4 is a conductor contact of a neutral wire, 5 is a conductor contact of a ground wire, 6 is a hand-held part, 7 is a wiring channel, 8 10 is the conductive piece of the ground wire, 11 is the insulating plug, 12 is the power line, 13 is the conductive connecting piece, 14 is the charging jack, 15 is the conductor ring, and 16 is the insert piece .

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1

A power plug, as shown in Figures 1 to 5, includes a plug and a handle 6 connected to the plug. The handle 6 is an insulator, and a wiring channel 7 is provided inside the handle 6. The plug is composed of an insulating base 1 and a The insulating cover sheet 2 is composed of a conductive sheet sandwiched in the middle. In this embodiment, there are three conductive sheets, which are the live wire conductive sheet 8, the neutral line conductive sheet 9 and the ground wire conductive sheet 10, and the insulating bottom sheet 1 is provided with three conductive holes. One end of the live wire conductive sheet 8, the neutral wire conductive sheet 9 and the ground wire conductive sheet 10 respectively protrudes from the conductive hole on the insulating base sheet 1 to form the live wire conductor contact 3, the neutral wire conductive contact 4 and the ground wire conductor contact respectively. 5. All conductor contacts are located on the outer surface of the insulating base 1, and are respectively used to contact and conduct with the live wire, ground wire and neutral wire. The three conductor contacts are located at different heights, and are used to contact with the live wire The live wire conductor contact 3 of communication is the closest to the distance from the insertion end of the insert. The other ends of the live wire conductive sheet 8 , the neutral wire conductive sheet 9 and the ground wire conductive sheet 10 extend into the wiring channel 7 of the hand-held part 6 for externally connecting a power line.

In this embodiment, the insertion piece has a planar structure, the shape of the insertion piece is rectangular, and the wiring channel 7 is an inverted T-shaped groove.

When the power plug of this embodiment is used, it is used with a supporting power connection guide rail. There are three conductors installed in the power connection guide rail, which are respectively connected to the live wire, ground wire and neutral wire of the power supply. The conductors are rigid conductors. The plug blade of the power plug is inserted into the power connection guide rail, so that the conductor contacts on the plug blade contact with the three rigid conductors, and the power plug is electrified.

Example 2

The difference from Embodiment 1 is that there are only two conductive sheets, and the conductor contacts formed by the two conductive sheets are respectively used to abut and conduct with the live line and the neutral line.

Example 3

The difference from Example 1 is that the insulating bottom sheet and the insulating cover sheet are set into an integrated structure, that is, the entire insert sheet is formed by an integrated insulating sheet and a conductive sheet embedded in the middle. At this time, the conductive sheet is embedded in the Inside the integrated structure, the same function as that of Embodiment 1 can be realized.

Example 4

As shown in FIG. 6 and FIG. 7 , the difference from Embodiment 1 is that in this embodiment, the wiring channels 7 are arranged as elongated grooves with a rectangular cross section.

Example 5

The difference from Embodiment 1 is that in this embodiment, each conductor contact is set as an elastic conductor contact, so as to increase the compressive stress on the contact surface with the conductor in the power connection guide rail, and improve the reliability and stability of the connection .

Example 6

The difference from Embodiment 1 is that the power plug in this embodiment further includes a plug cover for covering the plug to protect the plug, so as to prevent the plug from being bent, twisted or broken under the action of external force.

Example 7

A power plug, in the form of any power plug in embodiments 1, 3, 5, 6, also includes an insulating plug 11, a conductive connecting piece 13 and a power cord 12 as shown in Figures 8-11, wherein the insulating The plug 11 is plugged with the wiring channel 7 in the hand-held part 6, and the conductive connecting piece 13 is arranged in the insulating plug 11, and is provided with the same number as the conductive pieces. The other end of the conductive connecting piece 13 is connected to one end of the power cord 12, and the other end of the power cord is used to connect to any kind of power socket or plug or electrical appliance.

In this embodiment, the insulating plug 11 is provided with an inverted T-shaped protrusion matching the inverted T-shaped wiring channel on the handle in Embodiment 1, so that the insulating plug can be plugged into the handle.

Wherein, the power cord 12 is composed of an insulating sheath and a wire core, and the wire core is used for connecting with the conductive connecting piece.

When the power plug of this embodiment is used, it is used with a supporting power connection guide rail. There are three conductors installed in the power connection guide rail, which are respectively connected to the live wire, ground wire and neutral wire of the power supply. The conductors are rigid conductors. The plug is inserted into the power connection guide rail, so that the conductor contacts on the plug contact with the three rigid conductors and make the power plug electrified.

Example 8

As shown in Figures 12 and 13, the difference from Embodiment 7 is that the insulating plug 11 of this embodiment is provided with a strip-shaped protrusion that matches the strip-shaped groove with a rectangular cross-section on the handle in Embodiment 4. so that the insulating plug can be plugged into the handle.

Example 9

As shown in Figure 14, a power plug includes a plug and a handle 6 connected to the plug. The plug is composed of an insulating base 1 and an insulating cover 2 with a conductive sheet sandwiched between them. There are three conductive sheets, and the three conductive The sheet forms three conductor contacts on the insulating base sheet, which are respectively the live wire conductor contact 3, the neutral wire conductor contact 4 and the ground wire conductor contact 5, which are respectively used for abutting and conducting with the live wire, the ground wire and the neutral wire. The other ends of the three conductive strips protrude into the handle 6 to form a charging jack 14 for USB plug insertion.

Example 10

As shown in Figure 15, a power plug includes a plug and a hand-held part 6 connected to the plug. The plug is composed of an insulating base 1 and an insulating cover 2 with a conductive sheet sandwiched between them. There are three conductive sheets, and the three conductive The sheet forms three conductor contacts on the insulating base sheet, which are respectively the live wire conductor contact 3, the neutral wire conductor contact 4 and the ground wire conductor contact 5, which are respectively used for abutting and conducting with the live wire, the ground wire and the neutral wire. The other ends of the three conductive strips protrude into the handle portion 6 to form a charging socket 14 for connection with a columnar plug connector.

Example 11

As shown in Figure 16, a power plug includes a plug and a handle 6 connected to the plug. The plug is composed of an insulating base 1 and an insulating cover 2 sandwiched by a conductive sheet. There are three conductive sheets, and the three conductive The sheet forms three conductor contacts on the insulating base sheet, which are respectively the live wire conductor contact 3, the neutral wire conductor contact 4 and the ground wire conductor contact 5, which are respectively used for abutting and conducting with the live wire, the ground wire and the neutral wire. The other ends of the three conductive strips extend into the inside of the handle 6 and are connected to the power cord 12 .

Example 12

The difference from Embodiment 11 is that in this embodiment, the handle part and the inserting piece are in an integrated structure.

Example 13

As shown in Fig. 17 and Fig. 18, the power plug of this embodiment includes a plug-in piece and a handle 6 connected to the plug-in piece. The plug-in piece consists of an integrated insulating sheet and three conductive sheets embedded in the integrated insulating sheet. Composition, three conductive sheets form three conductor contacts on the insulating sheet, which are the live wire conductor contact 3, the neutral wire conductor contact 4 and the ground wire conductor contact 5, which are respectively used to contact the live wire, the ground wire and the neutral wire conduction, wherein, the live conductor contact 3 and the ground conductor contact 5 are located on one side of the insulating sheet, and the neutral conductor contact 4 is located on the other side of the insulating sheet. The other ends of the three conductive strips extend into the inside of the handle 6 and form a charging jack.

Example 14

As shown in Fig. 19 and Fig. 20, the power plug of this embodiment includes a plug-in piece and a handle 6 connected to the plug-in piece. The plug-in piece consists of an integrated insulating sheet and three conductive sheets embedded in the integrated insulating sheet. Composition, three conductive sheets form three conductor contacts on the insulating sheet, which are the live wire conductor contact 3, the neutral wire conductor contact 4 and the ground wire conductor contact 5, which are respectively used to contact the live wire, the ground wire and the neutral wire conduction, wherein, the live conductor contact 3 and the ground conductor contact 5 are located on one side of the insulating sheet, and the neutral conductor contact 4 is located on the other side of the insulating sheet. The other ends of the three conductive strips extend into the inside of the handle 6 and are connected to the power cord 12 , wherein the insertion piece, the handle and the power cord are in an integrated structure.

Example 15

As shown in Figures 21-23, the power plug of this embodiment includes a plug and a handle 6 connected to the plug. The handle 6 is provided with a cylindrical wiring channel 7, and the plug is made of an integrated insulating sheet and embedded. It consists of three conductive sheets in the one-piece insulating sheet, and one end of the three conductive sheets is exposed on the insulating sheet to form three conductor contacts, which are live wire conductor contact 3, neutral wire conductor contact 4 and ground wire conductor contact 5 , which are respectively used for abutment and conduction with the live wire, ground wire and neutral wire, wherein the live wire conductor contact 3 and the ground wire conductor contact 5 are located on one side of the insulating sheet, and the neutral wire conductor contact 4 is located on the other side of the insulating sheet side. The other end of the conductive sheet extends into the wiring channel 7 of the handle 6 .

As shown in Figures 24-26, the power plug of this embodiment also includes an insulating plug 11 and a conductive connecting piece 13. The insulating plug 11 is provided with a protrusion that matches the wiring channel 7 on the handle 6, and the protrusion matches the wiring channel. A screw-on connection structure is adopted, so that the insulating plug 11 can be plugged into the handle 6 . The conductive connecting piece 13 is arranged in the insulating plug 11, and is provided with the same number as the conductive piece. One end of the conductive connecting piece 13 is respectively opposite to the end of the conductive piece in the wiring channel, and is used for contacting and conducting. The other end of the conductive connecting piece 13 Connect the power cord 12.

Example 16

As shown in Fig. 27 and Fig. 28, the power plug of this embodiment includes an insertion piece and a handle 6 connected with the insertion piece. The handle 6 is provided with a cylindrical wiring channel 7, and the insertion piece is composed of an integral insulating sheet and an embedded It consists of three conductive sheets set in the integrated insulating sheet. One end of the three conductive sheets is exposed on the insulating sheet to form three conductor contacts, which are used to contact and conduct with the live wire, ground wire and neutral wire respectively. The three conductive sheets The other end extends into the wiring channel 7 of the handle 6 to form three conductor loops 15 (also referred to as conductor contacts).

The power plug of this embodiment also includes an insulating plug 11 and a conductive connecting piece. The insulating plug 11 is provided with a protrusion matching the wiring channel 7 on the handle 6. The protrusion is provided with an external thread, and the wiring channel is provided with an internal thread. The protrusion and the wiring channel adopt a threaded connection structure, so that the insulating plug 11 can be plugged into the handle 6 . The conductive connecting piece is arranged in the insulating plug 11, and is provided with the same number as the conductive pieces. One end of the conductive connecting piece forms three conductor rings 15 respectively, and the conductor rings of the conductive connecting piece are connected with the ends of the three conductor rings 15 of the conductive piece in the wiring channel. The positions are opposite, and are used for abutment conduction, and the other end of the conductive connecting piece is connected to the power line 12 .

In this embodiment, the insulating plug and the wiring channel are contacted in the form of a conductor ring 15, and the contact surface has a large compressive stress and a good contact effect.

Example 17

A power plug, as shown in Figure 29-31, includes an insert 16 and a hand-held part 6 connected to the insert 16. The insert is composed of a conductive sheet sandwiched between an insulating sheet. There are three conductive sheets, and the three conductive sheets are on the Three conductor contacts are formed on the insert, which are respectively used to abut and conduct with the live wire, the ground wire and the neutral wire. One of the conductor contacts is set on the bottom surface of the insert, and the other two conductor contacts are respectively located on the two surfaces of the insert. , the other ends of the three conductive strips extend into the inside of the handle 6 and are connected to the power cord 12 .

The above description of the embodiments is for those of ordinary skill in the technical field to understand and use the utility model. It is obvious that those skilled in the art can easily make various modifications to these embodiments, and apply the general principles described here to other embodiments without creative efforts. Therefore, the utility model is not limited to the above-mentioned embodiments, and improvements and modifications made by those skilled in the art according to the disclosure of the utility model without departing from the category of the utility model should be within the protection scope of the utility model.

Claims (14)

1. A power plug, characterized in that it includes an insert and a hand-held portion connected to the insert, the insert is composed of a conductive sheet sandwiched between an insulating sheet, the conductive sheet is provided with at least two, the conductive One end of the sheet exposes the outer surface of the insulating sheet to form a conductor contact, and the insertion sheet is provided with at least two conductor contacts, and the other end of the conductive sheet extends into the handle to form a charging jack or connect to a power line. 2. A power plug according to claim 1, characterized in that at least two of said conductor contacts are arranged on the same surface of the insertion piece. 3. The power plug according to claim 1, wherein the conductor contacts are scattered on different sides of the insert. 4. The power plug according to claim 1, wherein at least one conductor contact is provided on the bottom surface of the insert. 5. The power plug according to claim 1, wherein a conductive hole is opened on the side or bottom of the insulating sheet, and one end of the conductive sheet protrudes from the conductive hole on the insulating sheet to form a conductor contact. 6. A power plug according to claim 1, characterized in that there are three conductive sheets, and the three conductive sheets form three conductor contacts on the insulating sheet, which are respectively used to connect with the live wire, the ground wire and the neutral wire. Butt conduction, the three conductor contacts are located at different heights. 7. A power plug according to claim 1, characterized in that, the insulating sheet has an integrated structure, and at this time, the conductive sheet is embedded inside the integrated structure, or the insulating sheet is formed by insulating The bottom sheet and the insulating cover sheet are covered together, and at this time, the conductive sheet is arranged between the insulating bottom sheet and the insulating cover sheet. 8 . The power plug according to claim 1 , wherein the handle part and the insertion piece are integrally formed. 9 . The power plug according to claim 1 , characterized in that, the insertion piece, the handle part and the power cord are integrated into one structure. 10 . 10. The power plug according to claim 1, characterized in that, the power plug further comprises a plug cover for covering the plug to protect the plug. 11. A power plug according to any one of claims 1-10, wherein a wiring channel is provided inside the handle, and one end of the conductive sheet is exposed to the outer surface of the insulating sheet to form a conductor contact, The other end of the conductive sheet extends into the wiring channel of the handle. 12. A power plug according to claim 11, further comprising an insulating plug and a conductive connecting piece, the insulating plug is plugged into the wiring channel in the handle, and the conductive connecting piece is arranged on the insulating plug and set in the same number as the conductive sheets, one end of the conductive connecting sheet is respectively opposite to the end of the conductive sheet in the wiring channel for abutting conduction, and the other end of the conductive connecting sheet forms a charging jack or Connect the power cord. 13 . The power plug according to claim 12 , wherein the insulating plug is provided with a protrusion matching the wiring channel on the handle, so that the insulating plug can be plugged into the handle. 14 . 14 . The power plug according to claim 13 , wherein the protrusion and the wiring channel adopt a plug-in, screw-in or screw-type connection structure. 15 .