KR101791240B1 - A Multiple Unit Type of An Apparatus for Adjusting a Position of a Electrical Device - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-end length adjusting device for adjusting the position of an electric device, and more particularly to a multi-end length adjusting device for adjusting the position of an electric device such as an illumination lamp or a speaker. A plurality of extension units (11, 12, 13) connected to each other and capable of adjusting the length thereof; Outer circular wiring units (111, 121) arranged inside the respective extension units (11, 12, 13); And an inner circular wiring unit (113, 123) disposed inside each of the outer circular wiring units (111, 121), wherein the plurality of extension units (11, 12, 13) Adjustable.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a multi-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-end length adjusting device for adjusting the position of an electric device, and more particularly to a multi-end length adjusting device for adjusting the position of an electric device such as an illumination lamp or a speaker.

An electric appliance such as an illuminating lamp or a speaker may be fixed at a position determined by a socket or a bracket. However, in the course of use, the lighting position or sound output position needs to be changed, in which case a connecting conduit having a bending function or a bending function may be used. Such a corrugated tubular connection conduit is disadvantageous in that it is only capable of limited deformation and must be added to the wire or wiring connection.

The utility model opening No. 20-2008-0006123 is constructed such that the pole of the lighting lamp is raised and lowered in several stages, and the three-stage pole, the four-pole pole, the five-pole pole and the six- One end of each chain is fixed to both upper end surfaces of each end, and the other end of each chain is engaged with each of the chain gears provided on both upper sides of the one end of each end of the pole, And the pole pawls at the respective ends are lifted and lowered together by the pulling force and the slowing force of each chain as the two-stage pawl is lifted and lowered by the hydraulic piston.

Patent Publication No. 10-2014-0013762 discloses that a spring coupled to an upper portion of a frame relieves a shock received from the ground, has a slight back and forth movement, is ventilated, fixes the armpit, ; Grooved support pipe; A length adjusting part which is smoothly moved by the supporting pipe and is operated by the fixing part when the fixing part with the projection is opened; A piezoelectric element through which a current flows each time the portion where the portion that meets the floor comes into contact with the ground; A length-adjustable light emitting diode (LED) crutch is disclosed which comprises an LED located at an upper portion of a frame which uses electricity generated by a piezoelectric element as a power source and which is controlled through a switch.

The length adjustment disclosed in the prior art is limited in length, or the length adjustment is downward. It is necessary to adjust the position of the electric power supply part fixed upwards in various situations by up and down movement. However, the prior art does not disclose a position adjustment method related to the electric appliance having such a structure.

The present invention has been made to solve the problems of the prior art and has the following purpose.

Prior Art 1: Utility Model No. 20-2008-0006123 (HighLux Lighting, Inc., published on December 11, 2008) Prior Art 2: Patent Publication No. 10-2014-0013762 (published by Kang Soo Sang, February 05, 2014) A length-adjustable light emitting diode crutch

SUMMARY OF THE INVENTION It is an object of the present invention to provide a multistage length adjusting device for adjusting the position of an electric device which enables the placement of electric devices at various positions.

According to a preferred embodiment of the present invention, there is provided a multi-stage length adjusting device for adjusting the position of an electric device, comprising: a plurality of extension units connected to each other and adjustable in length; An outer circular wiring unit disposed inside each of the extension units; And an inner circular wiring unit disposed inside each of the outer circular wiring units, wherein the plurality of extension units are adjustable in length in a manner of being inserted and received.

According to another preferred embodiment of the present invention, the outer circular wiring unit and the inner circular wiring unit formed in each of the extending units are reversed to be inserted and received with respect to the adjacent extension units.

According to another preferred embodiment of the present invention, the contact surfaces of the extension members inserted and received adjacent to each other have an inclination with respect to the extending direction.

The multistage length adjusting device according to the present invention can arrange the electric devices including the lighting at various positions by adjusting the wire length. The multistage length adjusting device according to the present invention can be applied to an illuminating lamp, a loudspeaker, a closed circuit monitoring device, or various electronic devices requiring movement of a position.

FIG. 1 shows an embodiment of a multistage length adjusting device according to the present invention.
Fig. 2 shows an embodiment of fastening means between adjacent extension units in a multi-end length adjusting device according to the present invention.
3 shows an embodiment of an extension structure of an extension unit in a multistage length adjusting device according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so that they will not be described repeatedly unless necessary for an understanding of the invention, and the known components will be briefly described or omitted. However, It should not be understood as being excluded from the embodiment of Fig.

FIG. 1 shows an embodiment of a multistage length adjusting device according to the present invention.

Referring to FIG. 1, the multi-stage length adjusting device includes a plurality of extension units 11, 12, 13 connected to each other and capable of adjusting the length thereof; Outer circular wiring units (111, 121) arranged inside the respective extension units (11, 12, 13); And an inner circular wiring unit (113, 123) disposed inside each of the outer circular wiring units (111, 121), wherein the plurality of extension units (11, 12, 13) .

The multistage length adjusting device according to the present invention may be constructed in a multi-stage structure of an antenna type, and an illuminating lamp, a speaker or similar electric device is connected to one end of the multistage length adjusting device, and a plug or a power supplying socket is connected to the other end, You can have the ability to connect. The multistage length adjusting device may include two circular wiring units that function as wiring in the interior. The length adjustment means the adjustment of the distance between the power supply socket and the electric device, and means the adjustment of the length of the extension.

The plurality of extension units 11, 12, 13 can be made into a structure that is inserted and received as a whole in an antenna manner. Each of the extension units 11, 12 and 13 may be a circular wiring unit having a circular cross section, and a plurality of extension units 11, 12 and 13 may be connected to each other. The adjacent extension units 11, 12, 13 can be connected in a manner of inserting and receiving, and the vertical position of the luminaire L can be adjusted according to the length to be inserted or received. One extension unit 11 may be connected to a socket 14 coupled to a power supply unit such as an electrode rail R and the other end may be connected to one end of the two extension unit 12. [ have. 2 extension unit 12 may be connected to the one extension unit 11 so as to be inserted into the one extension unit 11. [ One end of the three extension unit 13 can be connected to one end of the two extension unit 12 and the illumination device L can be connected to the other end of the three extension unit 13. [ The electrode forming brackets 15 and 16 are formed between the socket 14 and the one extension unit 11 and between the three extension unit 13 and the lighting apparatus L to form the socket 14 and the one extension unit 11, And the wiring connection between the three-extension unit 13 and the lighting apparatus L can be set. Various shapes of lamp shades C may be arranged in the lighting apparatus L.

Two wires are formed inside the extension units 11, 12 and 13 so that the socket 14 and the electrodes of the lighting apparatus L are electrically connected to each other. To this end, the extension units 11, 12 and 13 may be composed of an outer circular wiring unit and an inner circular wiring unit.

Two wiring paths connecting the socket 14 and the lighting apparatus L in each of the extension units 11, 12 and 13 can be formed in various ways. For example, each of the extension units 11, 12, 13 may include two circular cross-sectional members having different diameters, and the inner circumferential surface or outer circumferential surface of each circular cross-sectional member may be made conductive Can be. The length adjustment can be made by moving the two circular cross-sectional members in the extension units 11, 12, 13 up and down. The two circular cross-sectional members can be arranged in various ways, and the two circular cross-sectional members disposed in the one extension unit 11 can have a larger diameter than the two circular cross-sectional members disposed in the two extension unit 12 have. And length adjustment can be made in such a manner that two circular cross-sectional members having different diameters of the two extension units 12 are inserted into two circular cross-sectional members having different diameters of the one extension unit 12, respectively . Alternatively, two circular cross-sectional members may be arranged in the same manner as the embodiment shown in FIG. 1 (B).

1, the one extension unit 11 is composed of one outer circular wiring unit 111 and one inner circular wiring unit 113, and includes one outer circular wiring unit 111 and one inner circular unit 111, One insulating member 112 may be disposed between the units 113. [ Similarly, the two extension unit 12 may be composed of a two-outer circular wiring unit 121 and a two-inner circular wiring unit 123, and between the two outer circular wiring units 121 and the two inner circular wiring units 123 2 insulating member 122 may be disposed. Each of the circular wiring units 111, 113, 121 and 123 and the insulating members 112 and 122 may have a hollow cylindrical shape and may have different diameters. 2 outer circular wiring unit 121 can be inserted between one outer circular wiring unit 111 and one insulating member 112 and one inner circular wiring unit 113 can be inserted into two inner circular wiring units 123 Can be inserted. As described above, the insertion and the reception relationship of the one outer circular wiring unit 111 and the one inner circular wiring unit 113 are reversed in relation to the two outer circular wiring units 121 and the two inner circular wiring units 123. The diameter of the one inner circular wiring unit 113 is larger than the diameter of the two outer circular wiring units 121 and the diameter of one inner circular wiring unit 113 is larger than that of the two outer circular wiring units 121. [ Diameter. And the relationship between the outer circular wiring and the inner circular wiring can be similarly established between the two extension unit 12 and the three extension unit 13. [ In this manner, the connection of the electric wiring is stably performed through the wiring relationship between the adjacent extension units 11, 12, 13 inserted and received.

The electrical wiring may be made of any metal having conductivity, and the insulating material may be made of any material known in the art. However, insulating materials can be made by coating method. For example, the inner surfaces of the first and second outer circular wiring units 111 and 121 may be an insulating coating, and the insulating members 112 and 122 may not be disposed separately.

Various wiring structures can be formed inside the plurality of extension units 11, 12, 13, and the present invention is not limited to the embodiments shown.

Fig. 2 shows an embodiment of fastening means between the adjacent extension units 11, 12 in the multi-end length adjusting device according to the present invention.

Referring to FIG. 2 (a), a clamp 21 may be disposed at a connection portion of the extension units 11 and 12 to be adjusted in length. And an elastic insulation material 22 may be disposed along the peripheral surface at the end of the one extension unit 11. [ The elastic insulation material 22 may be elastic or stretchable material such as rubber or silicon, and may be made of a material such as an elastomeric material, Or the inner circumferential surface of the lower end portion of the two extension unit 12 in a coating manner or a fitting manner. The clamp 21 is tightened when it is rotated in one direction and can be operated in a manner that it is released when tightened in two directions. When the length is required, the fixing unit is rotated in two directions to release the fastening. After the length is adjusted, the connecting unit of the extension units 11 and 12 can be tightened by being rotated in one direction. In this way, the different extension units 11, 12 can be maintained in the length-adjusted state.

Referring to FIG. 2 (b), two magnetic pole strips 231a, 231b and 232a may be formed along the outer circumferential surface of each of the extension units 11 and 12 in the longitudinal direction. The pair of single-pole strips 231a and 231b formed in the first extension unit 11 are arranged to face each other and may have different polarities. Also, a pair of two-pole bands 232a formed in the two extension unit 12 may be arranged to face each other with the same polarity and the same polarity. And the remaining part forms an outer circular wiring unit or an inner circular wiring unit. The magnetic pole bands 231a, 231b, and 232a may be formed to be sufficiently smaller than the entire circumference.

For adjusting the length, the lower circular member may be rotated by an angle of 10 to 30 degrees and the two extension unit 12 may be pulled up or raised. When the length adjustment is completed, the second extension unit 12 is rotated by itself and can be restored to its original position and coupled to each other by magnetism.

The coupling between the different extension units 11, 12 can be achieved in various ways, and the invention is not limited to the embodiments shown.

3 shows an embodiment of an extension structure of an extension unit in a multistage length adjusting device according to the present invention.

Referring to FIG. 3, one contact surface 311 of the one extension unit 11 and two contact surfaces 321 of the two extension unit 12 may be formed to be inclined. Specifically, the one contact surface 311, which accommodates specifically, can be reduced in diameter while extending downward, and the two contact surfaces 321 to be inserted can extend downward and increase in diameter. Such an inclined elongated structure has a function of being brought into electrical contact with each other and at the same time preventing the downward extension unit 12 from falling down due to the weight of the electric appliance. The inclined extension structure may be formed in the one extension unit 11 or the two extension unit 12 and not necessarily in the two extension units 11 and 12.

Various contact structures for allowing the first and second extension units 11 and 12 to be maintained in a length-controlled state can be applied to the present invention, and the present invention is not limited to the embodiments shown.

The relative connection relationship between the one extension unit 11 and the two extension unit 12 has been described in the above embodiment. This relative connection relationship can be applied between the two extension unit 12 and the three extension unit 13. Also, when three or more extension units are used, the relative connection relationship described above may be applied between adjacent extension units.

The multistage length adjusting device according to the present invention can arrange the electric devices including the lighting at various positions through the adjustment of the electric wire length. The length multi-stage length adjusting device according to the present invention can be applied to an illuminating lamp, a speaker, a closed-loop monitoring device, or various electronic devices requiring movement of a position.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention . The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

11: 1 extension unit 12: 2 extension unit
13: 3 extension unit 14: socket
15, 16: electrode forming bracket 21: clamp
22: Elastic insulation material 111: 1 External circular wiring unit
112: 1 Insulation member 113: 1 Internal circular wiring unit
121: 2 outer circular wiring unit 122: 2 insulating member
123: 2 inner circular wiring unit 231a, 231b:
232a: two stimulating strips 311: 1 contact surface
321: 2 contact surface C: lamp shade
L: Lighting equipment R: Electrode rail

Claims (3)

A plurality of extension units (11, 12, 13) connected to each other and adjustable in length;
Outer circular wiring units (111, 121) arranged inside the respective extension units (11, 12, 13); And
And inner circular wiring units 113 and 123 arranged inside the outer circular wiring units 111 and 121, respectively,
The plurality of extension units (11, 12, 13) are adjustable in length in a manner to be inserted and received,
The outer circular wiring units 111 and 121 and the inner circular wiring units 113 and 123 formed in each of the extension units 11 and 12 and 13 are inserted and inserted into adjacent extension units 11, Wherein the housing has a plurality of recesses and a plurality of recesses. delete The apparatus according to claim 1, wherein the contact surfaces (311, 321) of the extending members (11, 12, 13) inserted and received adjacent to each other are inclined with respect to the extending direction.

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