KR102024174B1 - Multi tap for adjusting length of electric cord - Google Patents

Abstract

A power strip capable of adjusting the length of a cord line is disclosed.
The multi-tap includes a first housing in which the cord line is wound, and a second housing in which the first housing is rotatably coupled about one axis such that the extension length of the cord line is variable, and the first housing is connected to the second housing. A first guide groove allowing rotation and a second guide groove extending in one direction from the first guide groove to limit the rotation with respect to the second housing may be formed.

Description

MULTI TAP FOR ADJUSTING LENGTH OF ELECTRIC CORD}

The present invention relates to a power strip capable of adjusting the length of a cord line.

In general, a multi-tap is a mobile outlet having a plurality of electrical sockets for plugging in a plurality of electronic devices, it is possible to use a single power strip to supply power to several electronic devices at the same time used in homes and businesses have.

Since such a power strip is usually arranged in a plurality of electrical sockets, and the length of the cord line for receiving power is limited, additional power supply is connected to the power strip and to supply power to the electronic devices installed in a relatively long distance. Should be used.

As described above, in order to extend the length of the cord line in the conventional power strip, since the power strip must be additionally purchased and installed, a separate purchasing cost is required, and since the power strip must be connected to each other, the wiring process may not be easy.

Accordingly, there is a demand for a technology for quickly and conveniently adjusting the length of a cord line in a multi-tap.

Registered Utility Model Security Publication No. 20-0324398 (registered Aug. 12, 2003)

Embodiments of the present invention provide a power strip capable of adjusting a length of a cord line capable of supplying power to various electronic devices located at different locations.

According to an aspect of the present invention, there is provided a power strip capable of adjusting a length of a cord line, including: a first housing in which a cord line is wound; And a second housing in which the first housing is rotatably coupled about one axis such that the extension length of the cord line is variable, the first housing having a first guide groove allowing rotation with respect to the second housing; A second guide groove extending in one direction from the first guide groove may be formed to limit rotation of the second housing.

In this case, the present invention may further include an electric socket provided on the second housing and to which an electric plug is connectable.

In addition, the first housing is a support piece; And a first column portion protruding from an upper portion of the support piece and having a first guide groove and a second guide groove formed on an outer surface thereof, wherein the second housing has a receiving space in which the cord line is wound. A main body portion formed; And a second column portion protruding from a lower portion of the main body portion to allow the first column portion to be inserted therein and rotatable, and a guide protrusion guided by the first guide groove or the second guide groove on an inner diameter surface thereof. Can be.

In addition, the second guide groove may include a vertical groove portion extending in the height direction from the first guide groove, and a horizontal groove portion bent in the circumferential direction at the end of the vertical groove portion.

In addition, the second guide groove may further include a seating groove which is concavely formed in the horizontal groove so that the guide protrusion is seated.

In addition, a support jaw protruding along the circumferential direction may be provided on an outer surface of the second column part, and a support groove recessed along the circumferential direction may be formed on the inner surface of the first column part to allow the support jaw to rotate.

In addition, the support groove is a multi-tap capable of adjusting the length of the cord line satisfying a height higher than the support jaw so that the second housing is movable in the height direction of the first housing.

Embodiments of the present invention have the advantage that the length of the cord can be adjusted, it is possible to supply power to various electronic devices in different locations.

In addition, since the code line can be drawn out and fixed through a simple operation on the power strip, the length of the code line for the power strip can be conveniently adjusted.

1 is a perspective view illustrating a multi-tap capable of adjusting a length of a cord line according to an exemplary embodiment of the present invention.
2 is an exploded perspective view illustrating a cutaway portion of a multi-tap capable of adjusting a length of a cord line according to an exemplary embodiment of the present invention.
3 is a state diagram illustrating a state in which a plurality of multi-taps are connected by a code line according to an exemplary embodiment of the present invention.
FIG. 4 is a side sectional view showing a multi-tap in a state where a length of a cord line can be adjusted when the “AA” line portion of FIG. 1 is cut. FIG.
5 is a state diagram illustrating a state in which a guide protrusion of a first housing is movable along a first guide groove of a second housing in a multi-tap having a length of a cord line adjustable according to an embodiment of the present invention.
FIG. 6 is a side cross-sectional view illustrating a multi-tap in a state in which length adjustment of a cord line is limited when cutting the line “AA” of FIG. 1.
FIG. 7 is a state diagram illustrating a state in which a guide protrusion of a first housing is moved to a second guide groove of a second housing in a multi-tap in a state in which length adjustment of a cord line is limited according to an embodiment of the present invention.
8 is a state diagram illustrating a state in which the guide protrusion of the first housing is seated in the second guide groove of the second housing according to a modified example of the present invention.
9 is a side cross-sectional view illustrating a state in which an elastic member is added to a power strip in a state in which a length of a cord line is adjustable according to another modification of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation according to the embodiment of the present invention. The following description is one of several aspects of the invention that can be claimed, and the following description may form part of the detailed description of the invention. However, in describing the present invention, a detailed description of known configurations or functions may be omitted to clarify the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms. These terms are only used to distinguish one component from another. When a component is said to be 'connected' or 'connected' to another component, it may be directly connected to or connected to that other component, but it may be understood that another component may exist in between Should be. The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise.

1 is a perspective view illustrating a multi-tap capable of adjusting a length of a cord line according to an exemplary embodiment of the present invention, and FIG. 2 is an exploded view illustrating a portion of a multi-tap capable of adjusting a length of a cord line according to an embodiment of the present invention. 3 is a perspective view illustrating a state in which a plurality of multi-taps are connected by a cord line according to an exemplary embodiment of the present invention, and FIG. 4 is a length of the cord line being cut when the “AA” line of FIG. 1 is cut. 5 is a side cross-sectional view illustrating a multi-tap in a state, and FIG. 5 illustrates a guide tab of a first housing along a first guide groove of a second housing in a multi-tap in a state in which a length of a cord line is adjustable according to an embodiment of the present invention. It is a state diagram which shows the movable state.

1 to 5, the multi-tap 10 according to the exemplary embodiment of the present invention may have a first housing 100 in which the cord line 20 can be wound and a draw length of the cord line 20 is variable. The first housing 100 may include a second housing 200 to which the first housing 100 is rotatably coupled, and an electrical socket 300 capable of electrically connecting an electrical plug.

The first housing 100 may be rotatably coupled to the second housing 200. For example, when the first housing 100 rotates in one direction (for example, clockwise) with respect to the second housing 200, the first housing 100 may wind the cord line 20 and rotate in the other direction with respect to the second housing 200. (Eg, counterclockwise), the cord line 20 in the wound state can be released.

The first housing 100 may include a support piece portion 110 and a first column portion 120 protruding from the upper portion of the support piece portion 110. Here, the support piece 110 may be provided in the form of a circular holder that can be gripped by the user, and the first column 120 may protrude from the central upper surface of the support piece 110.

The first column part 120 may be provided in a rotatable cylindrical shape in which the second column part 220 of the second housing 200 is inserted. In this case, a support groove 140 may be formed in the inner diameter surface of the first column 120 to be recessed along the circumferential direction so that the support jaw 240 of the second column 220 may be rotated. In order to smoothly rotate and elevate the first column 120, the height of the support groove 140 may be designed to be higher than the height of the support jaw 240.

In addition, a guide protrusion 121 may protrude from an inner diameter surface of the first column part 120 (see FIG. 5). When the first housing 100 rotates with respect to the second housing 200, the guide protrusion 121 may rotate along the first guide groove 231 of the second housing 200. In addition, when the first housing 100 moves upward with respect to the second housing 200, the guide protrusion 121 is moved from the first guide groove 231 of the second housing 200 to the second guide groove 232. Can be moved upwards.

The second housing 200 is a main body to which the first housing 100 is rotatably coupled, and the electric socket 300 may be mounted on the second housing 200.

The electrical socket 300 is at least one socket to which an electrical plug is connectable, and electrical contact between the electrical plug and the cord wire 20 may be made. To this end, the electrical socket 300 may be formed with a connection hole 301 that is electrically connected to the electrical plug 30, the electrical socket 300 is electrically connected to the cord wire 20 is made Ordinary electronic components (not shown) may be incorporated.

The second housing 200 has a lower portion of the main body 210 so that the accommodating space in which the cord wire 20 can be wound is formed at the lower portion thereof, and the first column 120 is retractable so as to be rotatable. It may include a second column portion 220 protruding to the.

In this case, a plurality of code holes through which the code line 20 can enter and exit may be formed on the sidewall of the main body 210. For example, the first cord hole 211 and the second cord hole 212 capable of entering and exiting the cord wire 20 may be formed at one side wall of the main body part 210, and the cord wire 20 may be formed of the electrical socket 300. A third cord hole 213 capable of entering and exiting the second cord hole 213 may be formed, and a fourth cord hole 214 capable of entering and exiting the cord wire 20 through the electric socket 300 is formed on the other side wall of the main body 210. Can be.

A support jaw 240 protruding in the circumferential direction may be formed on an outer diameter surface of the second column part 220. When the first housing 100 rotates in the second housing 200 or moves up and down, the support jaw 240 may rotate in the support groove 140 of the first column part 120.

In addition, the second column 220 may be formed with a guide groove for selectively allowing rotation in the circumferential direction of the first housing 100 or limiting rotation in the circumferential direction of the first housing 100. have. For example, an outer surface of the second column part 220 may include a first guide groove 231 allowing rotation of the first housing 100 in the circumferential direction, and limit rotation of the first housing 100. A second guide groove 232 extending in the height direction from the first guide groove 231 may be formed.

FIG. 6 is a side cross-sectional view illustrating a multi-tap in a state in which length adjustment of a cord line is limited when cutting the line “AA” of FIG. 1, and FIG. 7 is in a state in which length adjustment of a cord line is limited according to an embodiment of the present invention. In the multi-tap, the state in which the guide protrusion of the first housing is moved to the second guide groove of the second housing.

6 to 7, these first guide grooves 231 and the second guide grooves 232 may be provided in the form of a concave groove in which the guide protrusion 121 of the first housing 100 is movable. have. For example, the first guide groove 231 may be provided in the form of a circular band groove that extends in the circumferential direction along the outer surface of the second column part 220, and the second guide groove 232 may be the first guide groove. The guide groove 231 may be provided in the form of a groove in the form of a "┏" that is bent upwardly extending.

In this case, the second guide grooves 232 may be provided in plural numbers spaced apart along the outer surface of the second column part 220. In particular, the second guide groove 232 is a vertical groove portion 232a extending in the height direction from the first guide groove 231 and a horizontal groove portion 232b extending in the circumferential direction at the end of the vertical groove portion 232a. Can be done.

In the present embodiment, the second guide groove 232 is formed in the groove shape of the "┏" on the outer surface of the second column portion 220, the shape of the second guide groove 232 may be variously changed. . For example, the second guide groove 232 may be formed in the shape of a groove of ",", "┛", "┗" that extends upward or downward of the first guide groove 231.

Accordingly, when the guide protrusion 121 of the first housing 100 is guided along the first guide groove 231 of the second housing 200, the first housing 100 may be rotated in the circumferential direction. When the guide protrusion 121 of the first housing 100 guides along the second guide groove 232 of the second housing 200, the rotation in the circumferential direction may be limited (stopped).

8 is a state diagram illustrating a state in which the guide protrusion of the first housing is seated in the second guide groove of the second housing according to a modified example of the present invention.

As shown in FIG. 8, in a modified example of the present invention, the second guide groove 232 includes a vertical groove portion 232a extending in the height direction from the first guide groove 231, and an end of the vertical groove portion 232a. It may be composed of a horizontal groove portion 232b extending in the circumferential direction, and a mounting groove portion 232c formed concave in the horizontal groove portion 232b so that the guide protrusion 121 is seated.

When the rotation of the first housing 100 with respect to the second housing 200 is to be limited (stopped), the first housing 100 is moved upward and then moved in the circumferential direction, that is, the guide protrusion When the 121 is moved from the first guide groove 231 to the vertical groove portion 232a and the horizontal groove portion 232b of the second guide groove 232 and positioned in the seating groove portion 232c, the first housing 100 ) May be fixed to the second housing 200. At this time, since the cord wire 20 wound on the first housing 100 is also fixed to the first housing 100, the cord wire 20 can no longer be pulled out or wound up from the power strip.

9 is a state diagram illustrating a state in which the guide protrusion of the first housing is seated in the second guide groove of the second housing according to another modification of the present invention.

As shown in FIG. 9, the multi-tap according to another variation of the present invention may include a first housing 100, a second housing 200, an electrical socket 300, and an elastic member 400. Here, since the rest of the configuration except for the elastic member 400 corresponds to the configuration described in the embodiment, a detailed description thereof will be omitted.

The elastic member 400 is positioned between the first column part 120 of the first housing 100 and the second column part 220 of the second housing 200, whereby the first housing 100 and the second part are located. An elastic force may be provided between the housings 200.

For example, when rotation about the circumferential direction of the first housing 100 is permitted, that is, the guide protrusion 121 of the first housing 100 may open the first guide groove 231 of the second housing 200. When rotating accordingly, the elastic member 400 may maintain a tensile state. On the other hand, when the rotation in the circumferential direction of the first housing 100 is limited, that is, the guide protrusion 121 of the first housing 100 is the second guide groove 232 of the second housing 200 When positioned at, the elastic member 400 can maintain a compressed state. Through this, the allowance or restriction of the rotation of the first housing 100 can be made smoothly by the elastic member 400.

Referring to the operation of the present invention made of such a configuration as follows.

In order to extend the length of the cord wire 20 by unwinding the cord wire 20 wound around the multi-tap 10, first, the fixing of the first housing 100 to the second housing 200 is released. To this end, the guide protrusion 121 of the second housing 200 located in the second guide groove 232 is moved to the first guide groove 231.

For example, in order to release the fixing of the first housing 100 to the second housing 200, the first housing 100 is rotated in the release direction (for example, counterclockwise), and then moved downward. The guide protrusion 121 of the first housing 100 may move from the second guide groove 232 of the second housing 200 to the first guide groove 231.

Thereafter, when the first housing 100 is rotated again in the release direction, the guide protrusion 121 of the first housing 100 rotates along the first guide groove 231 of the second housing 200. The cord line 20 may be loosened on the outer surface of the first housing 100, and as a result, the cord line 20 may extend in the multi-tap 10.

On the other hand, when the cord wire 20 is to be wound around the power strip to reduce the length of the cord wire 20, when the first housing 100 is rotated in a winding direction (for example, in a clockwise direction), the first housing 100 is rotated. The guide protrusion 121 rotates along the first guide groove 231 of the second housing 200. In this case, the cord line 20 may be wound on the outer surface of the first housing 100.

Subsequently, in order to fix the first housing 100 to the second housing 200, the first housing 100 is moved upward and then rotated in the winding direction to guide the protrusions of the first housing 100. 121 may be moved from the first guide groove 231 of the second housing 200 to the second guide groove 232, in which state, the first housing 100 rotates in the second housing 200. This may be limited.

The embodiments described above are merely illustrative of some examples of the present technical idea, and the scope of the present technical idea is not limited to the described embodiments, within the scope of the present technical idea by those skilled in the art. Various changes, modifications, or substitutions of will be possible and all such implementations should be regarded as falling within the scope of the present invention.

100: first housing 110: support piece
120: first column portion 140: support groove
200: second housing 210: body portion
220: second column portion 240: support jaw
300: electric socket

Claims (7)

A first housing in which the cord wire is wound;
A second housing in which the first housing is rotatably coupled about one axis such that the extension length of the cord line is variable; And
An elastic member for providing an elastic force between the first housing and the second housing,
The first housing
A first guide groove allowing rotation with respect to the second housing and a second guide groove extending in one direction from the first guide groove to limit rotation with respect to the second housing,
The first housing is
A support column portion and a first column portion protruding from an upper portion of the support piece portion, the first guide groove and the second guide groove being formed on an outer surface thereof;
The second housing
The main body portion is formed in the receiving portion is formed to the cord line wound around, the first column portion is formed protruding to the lower portion so as to be rotatable, the inner surface of the first guide groove or the second guide groove A guide column guided by a second column part protrudingly formed,
When the guide protrusion rotates along the first guide groove, the elastic member maintains a tensioned state, and when the guide protrusion is positioned in the second guide groove, the elastic member maintains a compressed state.
The second guide groove
A vertical groove portion extending in the height direction from the first guide groove, a horizontal groove portion bent in the circumferential direction at the end of the vertical groove portion, and a seating groove portion concavely formed in the horizontal groove portion to seat the guide protrusion; ,
A support jaw protruding along the circumferential direction is provided on an outer surface of the second column part.
A support groove is formed on the inner surface of the first column portion to be recessed along the circumferential direction so that the support jaw is rotatable.
The support groove
The multi-tap capable of adjusting the length of the cord line satisfying a height higher than the support jaw so that the second housing is movable in the height direction of the first housing. The method of claim 1,
The power strip of claim 2, wherein the cord is adjustable in the length of the cord line further comprises an electrical socket connectable to the electrical plug. delete delete delete delete delete

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