CN216929009U

CN216929009U - Electrical connection wire

Info

Publication number: CN216929009U
Application number: CN202220354370.5U
Authority: CN
Inventors: 赵武; 张永川
Original assignee: Guangdong Pisen Electronics Co ltd
Current assignee: Guangdong Pisen Electronics Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-08
Anticipated expiration: 2032-02-22

Abstract

The utility model relates to an electric connection wire, which comprises a cable, wherein the cable comprises at least two wire cores for conducting electricity; plug parts are respectively arranged at two ends of the cable, each plug part comprises a plug body and pins, the plug body is provided with deep-hole-shaped pin hole cavities, and the pins are positioned in the pin hole cavities; each end of the wire core is respectively communicated with the pin of the plug part at the end; the outer ends of the pins do not extend out of the opening edge of the hole cavity of the pins, so that the pins are prevented from being touched by people. In a preferred mode, the plug part further comprises a peripheral protection part, and the peripheral protection part surrounds the periphery of the plug body; a first cavity is arranged between the peripheral protection part and the plug body and surrounds the plug body. A snap-fit portion may also be included. The pin of the plug part of the electric connection wire is not easy to touch by people, so that the electric connection wire has higher safety. The wall socket is particularly suitable for a scene that the energy storage power supply is connected with a wall socket at home and supplies power to the wall socket reversely.

Description

Electrical connection wire

Technical Field

The present invention relates to an electrical connection wire which is less prone to electric shock.

Background

In the existing household electric connection wire, for example, an electric connection wire of an electric cooker, one end of a cable is a three-pin plug for being plugged and communicated with a wall at home, and the other end of the cable is a pin-shaped plug for being communicated with a socket of the electric cooker; after being connected, the utility power supplies power for the electric cooker.

The above electrical connection lines cannot be used in a new application scenario, for example, when power fails at home, the main gate of the commercial power is closed, the energy storage power supply is connected with the wall plug at home, and power is reversely supplied to each wall plug at home. At the moment, the energy storage power supply is required to be plugged and communicated with the wall by an electric connecting wire, if the existing electric connecting wire is adopted, one end of the electric connecting wire, which is communicated with the wall, is a common three-pin plug, and a user can possibly touch the conductive pin of the three-pin plug, so that electric shock danger is generated.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the electric connection wire has the advantages that the electric conductors of the plugs at the two ends are not easy to touch by people, and the safety is higher.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the electric connection wire comprises a cable, wherein the cable comprises at least two wire cores for conducting electricity, the two wire cores are insulated from each other, and the length directions of the two wire cores extend along the length direction of the cable;

plug parts are respectively arranged at two ends of the cable, each plug part comprises a plug body and pins, the plug body is provided with deep-hole-shaped pin hole cavities, the pins are positioned in the pin hole cavities, and gaps are formed between the pins and the pin hole cavities;

each end of the wire core is respectively communicated with the pin of the plug part at the end, and the point position of the connection between the pin and the wire core is a wire core connection point; the end of the pin far away from the wire core connecting point does not extend out of the opening edge of the pin hole cavity where the pin is located, so that the pin is prevented from being touched by people.

Further, each plug body at least comprises two pin hole cavities, and only one pin is arranged in each pin hole cavity.

Furthermore, the length extending direction of the pin is the same as the depth extending direction of the pin hole cavity in which the pin is located.

Furthermore, the surface where the hole cavity openings of the pins are located is a plugging surface, the plug part further comprises a peripheral protection part, and the peripheral protection part surrounds the periphery of the plug body;

the peripheral protection part is provided with a plugging hole to expose the plugging surface for plugging the plug body with a matched socket;

a first cavity is arranged between the peripheral protection part and the plug body, the first cavity is distributed around the plug body, and the first cavity is communicated with the plug hole.

Furthermore, the cross section of each pin is circular, the plug body is cylindrical, the depth direction of the pin hole cavity is parallel to the axial direction of the plug body, the first cavity surrounds the plug body along the circumferential direction, and the cross section of the first cavity is a circular cavity.

The plug connector further comprises a buckling part, one end of the buckling part is a pressing part, the other end of the buckling part is a hook part, the pressing part is in rotating fit with the hook part through a shaft, the hook part is located in the first cavity, a spring is arranged between the pressing part and the shaft, and the hook part is pushed towards the direction close to the plug body by the elastic force of the spring.

The utility model has the beneficial effects that: in the electric connection wire, the two ends of the electric connection wire are provided with the plug parts, and the pins of the plug parts are positioned in the deep hole-shaped pin hole cavities; and the outer ends of the pins do not extend out of the opening edge of the hole cavity of the pins, so that the pins are prevented from being touched by people, and higher safety is achieved. The wall socket is particularly suitable for a scene that the energy storage power supply is connected with a wall socket at home and supplies power to the wall socket reversely.

Drawings

FIG. 1 is a schematic view of one embodiment of an electrical connection wire of the present invention;

FIG. 2 is a perspective view of the plug portion of the embodiment of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a plug portion of another embodiment of the electrical connection of the present invention;

FIG. 4 is a schematic view of an embodiment of a safety receptacle that accommodates the electrical connection wires of the present invention;

the reference signs are: plug portion 1, plug body 11, pin hole cavity 111, pin 112, peripheral protection portion 12, first cavity 121, latch portion 13, pressing portion 130, shaft 131, hook portion 132, spring 133, cable 2.

Detailed Description

The utility model is further described below with reference to the following figures and examples, which may be typical:

the electric connection wire comprises a cable 2, wherein the cable 2 comprises at least two wire cores for conducting electricity, the two wire cores are insulated from each other, and the length directions of the two wire cores extend along the length direction of the cable 2;

plug parts 1 are respectively arranged at two ends of the cable 2, the plug parts 1 comprise plug bodies 11 and pins 112, the plug bodies 11 are provided with deep-hole-shaped pin hole cavities 111, the pins 112 are positioned in the pin hole cavities 111, and gaps are reserved between the pins 112 and the pin hole cavities 111;

each end of the wire core is respectively communicated with the pin 112 of the plug part 1 at the end, and the point of connection between the pin 112 and the wire core is a wire core connection point; the end of the pin 112, which is far away from the core wire connection point, does not extend out of the opening edge of the pin hole cavity 111 where the pin 112 is located, so that the pin 112 is prevented from being touched by people.

As shown in fig. 1 and 2, the electric connection wire of the present solution is the same as the prior art, and the cable 2 has at least two wire cores for conducting electricity, when the connection wire is used for alternating current, the two wire cores are respectively used for connecting a live wire and a zero wire of alternating current, and if the electric connection wire is used in a scene of direct current, the two wire cores are respectively connected with the positive electrode and the negative electrode of a direct current power supply. According to the circumstances, more battery cells may be included, for example, a third battery cell may be further included to connect to the ground; or two independent electric cores are used for connecting a live wire, and two independent wire cores are used for connecting a zero wire.

Two ends of a cable 2 are respectively provided with a plug part 1, and the plug part 1 is used for being matched with a matched safety socket.

As shown in fig. 2 and 3, the plug portion 1 includes a plug body 11 and pins 112, the plug body 11 may be made of an insulating material, and the pins 112 are made of a conductive material, which connects the wire cores for conduction.

The pin hole cavity 111 is deep hole-shaped, and the pin 112 is located in the pin hole cavity 111 for protecting the internal pin 112 from being touched by people. As shown in fig. 3, a gap is typically provided between the pin 112 and the pin bore 111 to allow the pin 112 to be properly inserted into and contact the electrical conductors of the receptacle.

As shown in fig. 4, an embodiment of a compliant safety receptacle is provided, which has a receptacle body 7, the receptacle body 7 is provided with a concave insertion opening 5, a convex receptacle insulation portion 6 is provided in the insertion opening 5, the receptacle insulation portion 6 is configured to be matched with a pin hole cavity 111, the receptacle insulation portion 6 is provided with a receptacle hole 61, and a conductive elastic piece is provided in the receptacle hole 61.

When the plug is used, the plug body 11 is inserted into the jack 5 of the safety socket, the socket insulating part 6 of the safety socket is inserted into the pin hole cavity 111, and the pin 112 is just inserted into the socket hole 61 and is in contact conduction with the conductive elastic sheet.

The pin bore 111 is deep-bored in order to avoid the pin 112 being touched by a person, so that the end of the pin 112 remote from its core connection point cannot protrude beyond the opening edge of the pin bore 111 where the pin 112 is located.

The specific hole depth of the pin hole cavity 111 can be selected according to actual conditions, and the common hole diameter is as smaller as possible than the size of a human finger, so that the finger is prevented from entering the pin hole cavity 111 and contacting the internal pin 112 to cause electric shock.

If the cross-sectional size of the pins 112 is large, resulting in a large opening of the pin bores 111, the pins 112 can be located deep in the pin bores 111, as far as possible to avoid being touched by fingers.

This electric connecting wire is applicable to the reverse wall of being in the family of energy storage power and inserts the condition of supplying power, installs the circuit at the family with aforementioned safety socket, with this electric connecting wire termination energy storage power, another termination safety socket, can insert the power supply by the reverse wall of being in the family of energy storage power. The pins of the electric connection wire are all positioned in the deep holes of the pin hole cavity 111, are not easy to be touched by people and can avoid electric shock.

Preferably, the plug body 11 includes two pin holes 111, and only one pin 112 is located in each pin hole 111, which is advantageous in reducing the possibility of electric shock of the pin 112. Obviously, two or more pins 112 may be disposed in one pin bore 111, as desired. Or a plurality of pin holes 111 are respectively provided with pins which are all used for connecting the live wire, and a plurality of pin holes 111 are respectively provided with pins which are all used for connecting the zero wire.

The pin bore 111 and the pins 112 of the plug portion 1 may be of various shape options, for example, the pin bore 111 may have a triangular, square, pentagonal, etc. cross-section; the pins 112 may be square cylindrical pins, flat pins, etc. The safety socket may have a socket insulating part 6 and a socket hole 61 corresponding to the plug, which are adapted to ensure that the plug is correctly inserted into the socket and is conducted.

As shown in the embodiment of fig. 2, the upper two pin holes 111 have a circular cross section, the lower one pin hole 111 has a flattened drop shape in cross section, the pins 112 have a circular cross section, and the length of the pins 112 extends in the same direction as the depth of the pin holes 111 in which they are located. The plug body 11 is cylindrical, and the depth direction of the pin hole cavity 111 is parallel to the axial direction of the plug body 11. Which is adapted to the safety socket embodiment shown in fig. 4.

More preferably, a structure with a protection function may be provided on the periphery of the plug portion 1, for example, the surface where the pin hole cavity 111 is opened may be a plugging surface, the plug portion 1 further includes a peripheral protection portion 12, and the peripheral protection portion 12 surrounds the periphery of the plug body 11;

the peripheral protection part 12 is provided with a plugging hole to expose the plugging surface, so that the plug body 11 is plugged with a matched socket;

a first cavity 121 is provided between the peripheral protection part 12 and the plug body 11, the first cavity 121 is disposed around the plug body 11, and the first cavity 121 is connected to the plug hole.

As shown in fig. 2 and 3, the opening of the pin hole cavity 111 is a mating surface, and the plug can be correctly inserted into the socket by aligning the mating surface with the safety socket.

The peripheral protection part 12 surrounds the periphery of the plug body 11 and plays a role in protection, a user holds the peripheral protection part 12 by hand to complete the plugging action, the distance between the hand and the plug body 11 is increased, and electric shock is prevented.

The peripheral protection part 12 is provided with a plugging hole to expose the plugging surface, so that the plug body 11 can be correctly plugged into the socket 5 of the safety socket.

The first cavity 121 of the plug part 1 is form-fitting to the safety socket. As shown in fig. 4, in the safety socket, the socket body 7 has a cylindrical outer peripheral shape, and a recessed insertion opening 5 is formed along the axial direction of the socket body 7, and the insertion opening 5 has a cylindrical shape, so that the socket body 7 has a circular tube shape.

The first cavity 121 of the plug portion 1 is a cavity that surrounds along the circumferential direction of the plug body 11 and has a circular ring-shaped cross section. When the plug body 11 is inserted into the socket 5, the round tube shape of the socket body 7 is just embedded into the first cavity 121, so that the plug part 1 can be prevented from being loosened, and the electric conductors of the plug and the socket are more safely wrapped in the socket.

The first cavity 121 may also have other shapes, for example, the periphery of the socket body 7 of the safety socket is a square column, and the socket 5 is a recessed square hole, so that the socket body 7 is in a square tube shape.

The plug body 11 may be a square column, the first cavity 121 may be a cavity with a square cross section surrounding the plug body 11, and when the plug is plugged into the socket, the square tube of the socket body 7 is just inserted into the first cavity 121.

The first cavity 121 may be a continuous cavity, such as the aforementioned circular tube shaped cavity, as desired; the first cavity 121 may also be a plurality of cavities, for example, the socket body 7 shown in fig. 4 has a circular tube shape, and if the circular tube shape is divided along a diameter to divide the circular tube shape into two semicircular tubes, the first cavity 121 may be two semicircular ring cavities.

Preferably, the plug connector further comprises a locking part 13, one end of the locking part 13 is a pressing part 130, the other end of the locking part is a hook part 132, the pressing part 130 and the hook part 132 are rotatably matched with the plug part 1 through a shaft 131, the hook part 132 is located in the first cavity 121, a spring 133 is arranged between the pressing part 130 and the shaft 131, and the hook part 132 is pushed towards the direction close to the plug body 11 by the elastic force of the spring 133.

As shown in fig. 4, the socket body 7 of the safety socket is in a circular tube shape, and a locking groove 71 is formed on an outer side surface of the socket body 7.

When the plug body 11 is inserted into the socket 5 of the safety socket, the hook 132 just hooks the slot 71 of the safety socket, the elasticity of the spring 133 pushes the hook 132 toward the direction close to the plug body 11, so as to prevent the hook 132 from being released from the slot 71, and the pressing part 130 of the buckling part 13 is pressed by applying force, so that the hook 132 can be separated from the slot 71.

The plug and the socket can be stably connected through the structure, and loosening is prevented.

Claims

1. The electric connection wire comprises a cable (2), wherein the cable (2) comprises at least two wire cores for conducting electricity, the two wire cores are insulated from each other, and the length directions of the two wire cores extend along the length direction of the cable (2);

the plug part (1) is arranged at each of two ends of the cable (2), the plug part (1) comprises a plug body (11) and a pin (112), the plug body (11) is provided with a deep-hole pin hole cavity (111), the pin (112) is positioned in the pin hole cavity (111), and a gap is formed between the pin (112) and the pin hole cavity (111);

each end of the wire core is respectively communicated with the pin (112) of the plug part (1) at the end, and the point of connection between the pin (112) and the wire core is a wire core connection point; the end of the pin (112) far away from the wire core connection point does not extend out of the opening edge of the pin hole cavity (111) where the pin (112) is located, so that the pin (112) is prevented from being touched by people.

2. The electrical connection wire of claim 1, wherein each of said plug bodies (11) includes at least two of said pin bores (111), and only one of said pins (112) is within each of said pin bores (111).

3. An electrical connection according to claim 1, characterized in that the length of the pin (112) extends in the same direction as the depth of the pin bore (111) in which it is located.

4. An electrical connection wire according to claim 1, 2 or 3, wherein the surface where the pin hole cavity (111) is opened is a mating surface, the plug portion (1) further comprises a peripheral protection portion (12), the peripheral protection portion (12) surrounding the plug body (11);

the peripheral protection part (12) is provided with a plugging hole to expose the plugging surface for plugging the plug body (11) with a matched socket;

a first cavity (121) is arranged between the peripheral protection part (12) and the plug body (11), the first cavity (121) is arranged around the plug body (11), and the first cavity (121) is communicated with the plug hole.

5. The electrical connection cable according to claim 4, wherein the pin (112) has a circular cross section, the plug body (11) has a cylindrical shape, the depth direction of the pin bore (111) is parallel to the axial direction of the plug body (11), and the first cavity (121) is a cavity which is circumferentially surrounded along the plug body (11) and has a circular cross section.

6. The electrical connection wire according to claim 4, further comprising a latch portion (13), wherein one end of the latch portion (13) is a pressing portion (130), the other end of the latch portion is a hook portion (132), the pressing portion (130) and the hook portion (132) are rotatably engaged with the plug portion (1) through a shaft (131), the hook portion (132) is located in the first cavity (121), a spring (133) is disposed between the pressing portion (130) and the shaft (131), and the hook portion (132) is pushed by an elastic force of the spring (133) in a direction close to the plug body (11).