CN210490007U

CN210490007U - Electric wire telescopic plug

Info

Publication number: CN210490007U
Application number: CN201921848340.4U
Authority: CN
Inventors: 王成淼
Original assignee: Wenzhou Shundi Cable Electric Co Ltd
Current assignee: Wenzhou Shundi Cable Electric Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-08
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an electric wire telescopic plug, including first casing, second casing and electric wire, the inside welding of first casing has the center pin, fixedly connected with wind spring on the center pin, the electric wire winding is connected in the outer table wall of wind spring. The utility model discloses in, the inside of first casing has set up the center pin, has set up the wind spring on the center pin, has set up the electric wire on the reelpipe, and the outside of first casing has set up the third casing, and the inside of third casing has set up the slide bar, and the outside of slide bar has set up the spring, and the slide bar is located the inside one end of third casing and has set up the fixture block, adopts the benefit of this design to lie in: the slide bar is pulled outwards to separate the fixture block from the electric wire, so that the electric wire can be pulled to be located at a proper length, the slide bar is loosened to clamp the electric wire, when the wire is not used, the slide bar is pulled again to separate the fixture block from the electric wire, and the electric wire can be rolled under the elastic action of the coil spring, so that the electric wire is convenient to recycle.

Description

Electric wire telescopic plug

Technical Field

The utility model relates to the technical field of plugs, especially, relate to an electric wire telescopic plug.

Background

The connector of a common electronic product and the plug of an electrical appliance are called as plugs. A plug and socket for domestic AC power supply has a male connector in the shape of rod or copper plate and a female connector-type power supply socket with slot or concave hole. The dimensions are an important technical requirement in relation to whether the plug and socket and the converter can be used safely and whether the universal interchangeability requirement is met to avoid misinsertions. Unqualified size can influence the user and use or produce hidden danger such as contact failure, mistake interpolation, and light then the equipment damage, can produce conflagration and electric shock accident by weight.

Most of the existing plugs are of fixed structures, the length of wires of the plugs is mostly not adjustable, when the distance from the plugs to the sockets is far away, the plug wire row needs to be used for prolonging, but the plug wire row can occupy more space in some narrow places, and then connection of other electrical appliances is not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the electric wire telescopic plug is provided for solving the problem that the electric wire length of the existing plug is not adjustable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plug of electric wire telescopic, includes first casing, second casing and electric wire, the inside welding of first casing has the center pin, fixedly connected with wind spring on the center pin, the electric wire winding is connected in the outer table wall of wind spring to with wind spring fixed connection, the outward table wall welding of first casing has the third casing, the inside of third casing has the slide bar along horizontal direction sliding connection, the outside of slide bar is equipped with the spring, the one end and the third casing fixed connection of spring to other end fixedly connected with fixture block.

As a further description of the above technical solution:

the utility model discloses a wire, including first casing, first connector, second casing, outer connecting pipe, first casing's exterior wall inlays and is equipped with the interconnection takeover, the one end of electric wire cup joints in the inside of interconnection takeover to this end is connected with first spliced pole, the outer wall of second casing inlays and is equipped with outer connecting pipe, the inside of outer connecting pipe is equipped with the second spliced pole.

As a further description of the above technical solution:

the inner connecting pipe is connected with the outer connecting pipe through threads, and the first connecting column can be attached to the second connecting column.

As a further description of the above technical solution:

the outer wall of the second shell is provided with a lead pin, and the lead pin is electrically connected with the second connecting column.

As a further description of the above technical solution:

the first connecting column and the second connecting column are both made of conductive metal materials.

As a further description of the above technical solution:

the clamping block can push the electric wire to be attached to the inner surface wall of the third shell.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the inside of first casing has set up the center pin, has set up the wind spring on the center pin, has set up the electric wire on the reelpipe, and the outside of first casing has set up the third casing, and the inside of third casing has set up the slide bar, and the outside of slide bar has set up the spring, and the slide bar is located the inside one end of third casing and has set up the fixture block, adopts the benefit of this design to lie in: the slide bar is pulled outwards to separate the fixture block from the electric wire, so that the electric wire can be pulled to be located at a proper length, the slide bar is loosened to clamp the electric wire, when the wire is not used, the slide bar is pulled again to separate the fixture block from the electric wire, and the electric wire can be rolled under the elastic action of the coil spring, so that the electric wire is convenient to recycle.

2. The utility model discloses in, the inside of first casing has set up the interconnection and has taken over, and the inside of second casing has set up the outer joint pipe, and the inside of electric wire has set up first spliced pole, and the inside of outer joint pipe has set up the second spliced pole, adopts the benefit of this design to lie in: the internal connection pipe and the external connection pipe are connected through threads, the first shell and the second shell can be quickly connected by adopting the connection mode, and the plug is convenient to disassemble and assemble.

Drawings

Fig. 1 shows a schematic diagram of an internal structure of a first housing according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating an internal structure of an inner connecting pipe according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a connection structure of an electric wire and a coil spring according to an embodiment of the present invention.

Illustration of the drawings:

1. a first housing; 2. a second housing; 3. an electric wire; 4. a central shaft; 5. a coil spring; 6. an internal connection pipe; 7. an outer connecting pipe; 8. a first connecting column; 9. a second connecting column; 10. a wire lead; 11. a third housing; 12. a spring; 13. a slide bar; 14. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a plug of electric wire telescopic, including first casing 1, second casing 2 and electric wire 3, the inside welding of first casing 1 has center pin 4, fixedly connected with wind spring 5 on

center pin

4, 3 twines of electric wire connects in the outer table wall of wind spring 5, and with wind spring 5 fixed connection, the outer table wall welding of first casing 1 has third casing 11, the inside of third casing 11 has slide bar 13 along horizontal direction sliding connection, the outside of slide bar 13 is equipped with spring 12, the one end and the third casing 11 fixed connection of spring 12, and other end fixedly connected with fixture block 14, outside pulling slide bar 13 makes fixture block 14 break away from electric wire 3, can pull out electric wire 3, and the elastic force effect of accessible wind spring 5 when the rolling, the accomodation and the extension of electric wire 3 have been made things convenient for.

Specifically, as shown in fig. 1 and 2, the exterior wall of the first housing 1 is embedded with the internal connection pipe 6, one end of the electric wire 3 is sleeved inside the internal connection pipe 6, and the end is connected with the first connection column 8, the outer wall of the second housing 2 is embedded with the external connection pipe 7, the inside of the external connection pipe 7 is provided with the second connection column 9, the outer wall of the second housing 2 involves the wire pin 10, the wire pin 10 is electrically connected with the second connection column 9, the first connection column 8 and the second connection column 9 are both conductive metal materials, the wire pin 10 is connected with the electric wire 3 through the first connection column 8 and the second connection column 9, and the two connection columns ensure stable use of the plug.

Specifically, as shown in fig. 1 and 2, the internal connection pipe 6 and the external connection pipe 7 are connected through threads, the first connection column 8 can be attached to the second connection column 9, the threads are connected to facilitate the disassembly and assembly of the internal connection pipe 6 and the external connection pipe 7, and further, after the plug is damaged, the damaged parts are conveniently replaced.

Specifically, as shown in fig. 1, the latch 14 may push the electric wire 3 to abut against the inner surface wall of the third housing 11, and the latch 14 clamps the electric wire 3 by the pushing force of the spring 12, so as to improve the stability of the electric wire 3 when extending.

The working principle is as follows: when the wire clamping device is used, firstly, the sliding rod 13 is pulled outwards to enable the clamping block 14 to be separated from the wire 3, then the wire 3 is pulled to be pulled out from the inside of the first shell 1, the wire 3 is pulled to drive the coil spring 5 to be stretched at the same time, the wire 3 is pulled to a proper length, the sliding rod 13 can be loosened, and the sliding rod 13 slides towards the inside of the third shell 11 under the elastic force of the spring 12 to enable the clamping block 14 to clamp the wire 3; secondly, after the plug broke down, rotatable second casing 2 makes outer connecting pipe 7 break away from through rotation and in-connection pipe 6, makes first spliced pole 8 and the separation of second spliced pole 9 can make first casing 1 and the separation of second casing 2, and then changes the part that the plug damaged, and through foretell step, the electric wire 3 of plug can stretch the extension, and then need not use the plug wire row in narrow and small space to make things convenient for the connection of all the other electrical apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a telescopic plug of electric wire, includes first casing (1), second casing (2) and electric wire (3), its characterized in that, the inside welding of first casing (1) has center pin (4), fixedly connected with wind spring (5) on center pin (4), electric wire (3) winding is connected in the exterior wall of wind spring (5) to with wind spring (5) fixed connection, the exterior wall welding of first casing (1) has third casing (11), there is slide bar (13) inside along horizontal direction sliding connection of third casing (11), the outside of slide bar (13) is equipped with spring (12), the one end and the third casing (11) fixed connection of spring (12) to other end fixed connection has fixture block (14).

2. The plug with retractable wire as claimed in claim 1, wherein an inner connecting pipe (6) is embedded in the outer wall of the first housing (1), one end of the wire (3) is sleeved inside the inner connecting pipe (6) and connected with a first connecting column (8), an outer connecting pipe (7) is embedded in the outer wall of the second housing (2), and a second connecting column (9) is embedded inside the outer connecting pipe (7).

3. The telescopic plug according to claim 2, characterized in that said inner connecting tube (6) is screwed to said outer connecting tube (7), said first connecting stud (8) being adapted to engage with said second connecting stud (9).

4. An electric wire retractable plug according to claim 2, characterized in that the outer wall of the second housing (2) involves a wire pin (10), the wire pin (10) being electrically connected to the second connection post (9).

5. An electric wire retractable plug according to claim 2, characterized in that the first connecting post (8) and the second connecting post (9) are both of an electrically conductive metal material.

6. A retractable cord plug as claimed in claim 1, wherein said latch (14) urges the cord (3) into engagement with the inner surface wall of the third housing (11).