CN114171959A

CN114171959A - Leakage protection plug and electric connection structure thereof

Info

Publication number: CN114171959A
Application number: CN202111483295.9A
Authority: CN
Inventors: 郑春开; 李子平; 王思琦; 张勇
Original assignee: Kedu Electric Co Ltd
Current assignee: Kedu Electric Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-03-11

Abstract

The invention discloses a leakage protection plug and an electric connection structure thereof, wherein the electric connection structure comprises a shell, a connection plug-in and a connection plug bush, and a connection circuit is arranged in the shell; the connecting plug-in is arranged outside the shell and is connected with the connecting circuit; the connecting plug bush is connected with the cable, and the connecting plug bush can be in plug-in fit with the connecting plug-in unit. The invention can facilitate wiring, thereby improving the wiring assembly efficiency and having good electric contact.

Description

Leakage protection plug and electric connection structure thereof

Technical Field

The invention relates to the technical field of electric connection devices, in particular to an electric leakage protection plug and an electric connection structure thereof.

Background

In the prior art, an authorized bulletin number CN209418852U discloses an earth leakage protection plug, which comprises a housing and a cover component, wherein a wiring operation part capable of fixing a lead is arranged in the housing; the cover component is matched with the shell for sealing the wiring operation part; wherein, the cover part comprises a bottom cover and a cylinder, and the cylinder can be penetrated by the conducting wire. The leakage protection plug is connected with the end of the wire in a matched mode through the wire connector, the wire connector is selected as a combined screw, and the end of the wire is fixed through the combined screw.

The earth leakage protection plug is connected through a combined screw, and the earth leakage protection plug has the following defects: the combination screw wiring assembly is inefficient and problems of poor electrical contact may occur.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, an object of the present invention is to provide an electrical connection structure of an earth leakage protection plug, which facilitates wiring, thereby improving wiring assembly efficiency and providing good electrical contact.

The second objective of the invention is to provide a leakage protection plug.

In order to achieve the above object, an embodiment of a first aspect of the present invention provides an electrical connection structure of a leakage protection plug, including:

the device comprises a shell, a power supply and a control circuit, wherein a connecting circuit is arranged in the shell;

the connecting plug-in is arranged outside the shell and is connected with the connecting circuit;

the connecting plug bush is connected with the cable, and the connecting plug bush can be matched with the connecting plug-in unit in a plugging mode.

According to the electric connection structure of the leakage protection plug, the connecting plug-in connected with the connecting circuit is arranged outside the shell, and the connecting plug bush connected with the cable can be in plug-in fit with the connecting plug-in, so that wiring is convenient, the wiring assembly efficiency is improved, and electric contact is good.

In addition, the electrical connection structure of the earth leakage protection plug provided in the above embodiment of the present invention may further have the following additional technical features:

optionally, the connecting insert is a tab.

Specifically, be equipped with the mount pad on the casing, an organic whole sets up on the mount pad the inserted sheet.

Furthermore, the inserting sheets are provided with three sheets, and partition plates are arranged between the inserting sheets for spacing.

Optionally, the cable connector further comprises an outer cover member connected to the housing, the outer cover member being adapted to pass the cable therethrough.

Specifically, be equipped with the spliced pole on the casing, overcoat part be equipped with the through-hole of spliced pole adaptation, the fastener passes the through-hole with the spliced pole is connected, so that overcoat part with the casing is connected.

Specifically, the outer sleeve member is provided with an accommodation cavity capable of accommodating the connection plug-in unit.

Optionally, the cable is secured to the housing by a crimp clip.

Specifically, a wire clamp seat is arranged on the shell, the wire clamp is fixed on the wire clamp seat, and the cable is fixed between the wire clamp and the wire clamp seat.

In order to achieve the above object, a second embodiment of the present invention provides an earth leakage protection plug, which includes the above electrical connection structure.

According to the embodiment of the invention, the leakage protection plug comprises an electric connection structure, and as the connecting plug-in connected with the connecting circuit is arranged outside the shell, the connecting plug bush connected with the cable can be in plug-in fit with the connecting plug-in, so that the wiring is convenient, the wiring assembly efficiency is improved, and the electric contact is good.

Drawings

Fig. 1 is a perspective assembly view of a leakage protection plug according to an embodiment of the present invention;

fig. 2 is an exploded perspective view of an earth leakage protection plug according to an embodiment of the invention;

FIG. 3 is a schematic structural diagram of a base according to an embodiment of the invention;

FIG. 4 is a schematic structural diagram of a housing according to an embodiment of the invention;

FIG. 5 is a schematic structural diagram of a cable according to an embodiment of the invention;

FIG. 6 is a schematic view of the assembly of a cable according to an embodiment of the invention;

fig. 7 is a schematic view of the structure of an outer jacket member according to an embodiment of the present invention.

Description of the reference symbols

Casing 1 upper shell 11

Base 12 mounting part 121

Mounting seat 13 partition 131

Wire holder 14 connecting column 15

Connecting plug-in 2 connecting plug bush 3

Through hole 41 of outer jacket member 4

Accommodating cavity 42 cable 5

The clamp 6 is fastened 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

According to the invention, the connecting plug-in connected with the connecting circuit is arranged outside the shell, and the connecting plug bush connected with the cable can be in plug-in fit with the connecting plug-in, so that the wiring is convenient, the wiring assembly efficiency is improved, and the electric contact is good.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

As shown in fig. 1 to 7, an electrical connection structure of a leakage protection plug according to an embodiment of the present invention includes a housing 1, a connection plug 2, a connection plug 3, and an outer sleeve member 4.

The housing 1 is provided therein with a connection circuit. Optionally, the housing 1 includes an upper shell 11 and a base 12, the upper shell 11 is fastened to the base 12, and the base 12 forms a mounting portion 121 along an axial direction.

The connecting plug-in 2 is arranged outside the shell 1, and the connecting plug-in 2 is connected with the connecting circuit. Alternatively, the connecting insert 2 is a male tab, but the connecting insert 2 may have other structures such as a male pin. Specifically, the housing 1 is provided with a mounting seat 13, and the mounting seat 13 is integrally provided with an insert. Further, the inserted sheet sets up three, sets up baffle 131 between the inserted sheet and separates.

The connecting plug bush 3 is connected with the cable 5, the connecting plug bush 3 can be in plug-in fit with the connecting plug-in unit 2, wiring is convenient, wiring assembly efficiency is improved, and electric contact is good. Optionally, the cable 5 is secured to the housing 1 by means of a crimp clip 6. Specifically, the housing 1 is provided with a wire clamp seat 14, as shown in fig. 3, the wire clamp seat 14 is disposed on the mounting portion 121 of the base 12, the wire clamp 6 is fixed on the wire clamp seat 14, and the cable 5 is fixed between the wire clamp 6 and the wire clamp seat 14.

The outer jacket member 4 is connected to the housing 1, and the outer jacket member 4 is penetrated by the cable 5. Specifically, the housing 1 is provided with a connection post 15. In this embodiment, the upper shell 11 is provided with two connecting posts 15, the base 12 is also provided with two connecting posts 15, and the four connecting posts 15 are located at four corners of the shell 1.

The outer sleeve part 4 is provided with through holes 41 matched with the connecting columns 15, the through holes 41 correspond to the connecting columns 15 one by one and are four, so that the outer sleeve part 4 is tightly matched with the shell 1, the fastening piece 7 penetrates through the through holes 41 to be connected with the connecting columns 15, the outer sleeve part 4 is connected with the shell 1, and the fastening piece 7 can select screws. The outer jacket member 4 is provided with an accommodation cavity 42, and the accommodation cavity 42 can accommodate the connection card 2. In particular, the jacket member 4 is provided with a cylinder 43, the cylinder 43 communicating with the housing cavity 42, the cylinder 43 being adapted to be crossed by the cable 5. Optionally, a sealing structure may be provided in the cylinder 43 for passing the cable 5 while sealing a gap between the cable 5 and the cylinder 43.

When the electric connection structure of the leakage protection plug is assembled, the mounting seat 13 integrally provided with the inserting sheet is fixed on the base 12, and the upper shell 11 is buckled on the base 12; the connecting plug bush 3 connected with the cable 5 is plugged with the plug-in piece, and the cable 5 is fixed between the wire clamp 6 and the wire clamp seat 14 by locking the wire clamp 6; the outer sheath member 4 is slid to be close to the housing 1, the connection post 15 of the housing 1 is inserted into the through hole 41 of the outer sheath member 4, and the fastening member 7 is connected to the connection post 15 through the through hole 41 to connect the outer sheath member 4 to the housing 1.

According to the electric connection structure of the leakage protection plug, the connecting plug-in 2 connected with the connecting circuit is arranged outside the shell 1, and the connecting plug bush 3 connected with the cable 5 can be in plug-in fit with the connecting plug-in 2, so that wiring is convenient, wiring assembly efficiency is improved, and electric contact is good.

As shown in fig. 1 to 7, the leakage protection plug according to the embodiment of the present invention includes the above electrical connection structure, the electrical connection structure includes a housing 1, a connection plug 2 and a connection plug bush 3, and a connection circuit is disposed in the housing 1; the connecting plug-in 2 is arranged outside the shell 1 and is connected with the connecting circuit; the connecting plug bush 3 is connected with the cable 5, is connected with the plug bush 3 and can be matched with the connecting plug-in 2 in an inserting way.

According to the embodiment of the invention, the leakage protection plug comprises an electric connection structure, as the shell 1 is externally provided with the connecting plug-in 2 connected with the connecting circuit, and the connecting plug bush 3 connected with the cable 5 can be in plug-in fit with the connecting plug-in 2, the wiring is convenient, the wiring assembly efficiency is improved, and the electric contact is good.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An electric connection structure of a leakage protection plug, comprising:

2. An electrical connection structure of a leakage protection plug according to claim 1, wherein said connection plug is a blade.

3. An electrical connection structure of a leakage protection plug according to claim 2, wherein the housing is provided with a mounting seat, and the mounting seat is integrally provided with the insertion piece.

4. An electrical connection structure of a leakage protection plug according to claim 3, wherein said blades are provided in three pieces, and said blades are spaced apart by a partition.

5. An electrical connection structure of a leakage protection plug according to claim 1, further comprising an outer cover member connected to said housing, said outer cover member being adapted to pass said cable therethrough.

6. An electrical connection structure of a leakage protection plug according to claim 5, wherein the housing is provided with a connection post, the outer sheath member is provided with a through hole adapted to the connection post, and a fastening member is connected to the connection post through the through hole to connect the outer sheath member to the housing.

7. An electrical connection structure of a leakage protection plug according to claim 5, wherein said outer sheath member is provided with a receiving cavity capable of receiving said connection plug.

8. An electrical connection structure of a leakage protection plug according to claim 1, wherein said cable is fixed to said housing by means of a crimping clip.

9. An electrical connection structure of a leakage protection plug according to claim 8, wherein said housing is provided with a wire holder, said wire clamp is fixed to said wire holder, and said cable is fixed between said wire clamp and said wire holder.

10. A leakage protection plug comprising an electrical connection structure according to any one of claims 1 to 9.