KR20070111343A - Electric connecting device and electric establishment with electric connecting device - Google Patents

Abstract

An electric connecting device and electric equipment with the electric connecting device are provided to prevent a movable member from freely moving with respect to a fixing member by inserting the movable member into the fixing member. Two through-holes are formed on a fixing member(20). A socket with a power supply plug is installed on the fixing member. Electrical terminals, guide bars, and a roller are installed on a movable member(50). The guide bars are inserted into the through-holes. Holes are formed in the middle of the guide bars. A start end of a wire(36) is arranged in a winder. The wire penetrates one of the through-holes and one of the holes of the guide bars, and is wound around the roller. Then, the wire penetrates the other through-hole and the other hole, and is terminated at the fixing member. When the wire is wound, the guide bars are inserted into the through-holes, so that the power supply plug is connected to the electrical terminal. When the wire is released, the movable member is separated from the fixing member, so that the power supply plug is separated from the electrical terminal.

Description

Electric connecting device and electric establishment with electric connecting device}

1 is a configuration diagram of the lifting device of the lamp attached to the Korean Patent No. 10-0602613.

Figure 2 is a perspective view showing a state in which the movable body is separated from the fixed body in one embodiment of the present invention.

Figure 3 is a perspective view showing a state in which the movable body is mounted on the fixed body in one embodiment of the present invention.

4 is an assembled perspective view for explaining the detailed configuration of the fixture shown in FIG.

FIG. 5 is an assembled perspective view illustrating the detailed configuration of the movable body illustrated in FIGS. 2 and 3.

Figure 6 is a perspective view for explaining the post of one embodiment of the present invention.

FIG. 7 is an installation assembly view of the turning roller installed in the support of FIG. 6.

8 is a perspective view of a mobile body coupled to a fixture in another embodiment of the present invention.

9 is a perspective view illustrating a state in which the moving body is separated from the fixed body in FIG. 8.

FIG. 10 is a perspective view illustrating an operation process of the street lamp of FIG. 8.

11 is a perspective view of the fixed arm head and the rotary arm head of the embodiment shown in FIG.

12 is a perspective view of the fixed body and the mobile body in the embodiment shown in FIG.

FIG. 13 is a perspective view of a state in which the fixture and the movable body are separated in the embodiment shown in FIG. 8.

 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrical installation in which a fixture is installed at a high place such as a ceiling or a support, and which is connected to a terminal of the fixture in operation to supply power to an electrical device.

Electric devices such as lamps and CCTVs installed on the shore are installed in high places, and the maintenance worker can move to the installation location of the electric devices in high places by using a special vehicle equipped with a basket that can reach high places in the event of a breakdown of the electric devices. Repairing.

This repair method has been invented, such as domestic registered patent 10-0602613 (name of the invention: a light having a lifting means) due to the risk of injury of the operator and does not increase the work efficiency.

1 is a configuration diagram of the lifting device of the lamp attached to the Korean Patent No. 10-0602613.

In the lifting device of the illuminating lamp shown in FIG. 1, the main body 1 is installed on the ceiling of a high place by a fixed coupling part 2 installed on the upper part of the main body 1, and the illuminating lamp 3 is the main body 1. It is provided in the lower part of the lamp part 4 of the structure which attaches and detaches to the. In addition, in the cylindrical housing 5 of the main body 1, a guide bushing 6 having a hollow is installed, and is installed upward in the center of the lamp 4 in the hollow of the guide bushing 6, The formed guide post 7 is moved upward or downward by the wire 8. In addition, the clamp bush 9 supports the guide bushing 6 elastically upwardly and elastically to the guide bushing 6 to maintain the locking state in which the guide post 7 stops downward movement. The clamp 10 is installed to release the locked state.

Further, electrode portions 13 and 14 are provided at the lower ends of the torsion springs 11 and 12 provided on the side surfaces of the guide bushing 6, and the circular lamp plates 15, ( 16, the electrode portions 13, 14 and the circular electrode plate 15 in the locked state of the clamp 10, that is, when the guide post 7 is inserted and fixed in the guide bushing 6; , 16 are connected so that the lamp 3 is turned on, and the clamp 10 is unlocked so that the guide post 7 is pulled out of the guide bushing 6, that is, the guide post 7 is downward. In the case of movement, the electrode portions 13, 14 and the electrode plates 15, 16 are separated and the lamp 33 is turned off.

In order to repair the lamp 3 in such a conventional lamp lifting device, when moving downward, the clamp wire 9 is pulled to release the locking state of the guide post 7 and then the upper end of the guide post 7 is removed. The guide post 7 must be moved downward by releasing the connected wire 8, and as the guide post 7 is moved, the entire lighting unit 4 is moved downward.

In the conventional apparatus, when the tensile force is applied due to the characteristics of the wire 8 during the downward movement of the lamp 4, the rotation occurs, and the rotation of the lamp is caused by the influence of the weight bias and the wind.

In the conventional lamp lifting device, the electrode plates 15 and 16 are formed in a circular structure at the contacts of the lamp 4 so as to facilitate electrical contact even when rotation of the lamp 4 occurs. However, the circular electrode plates 15 and 16 are circularly distributed over a large area, and when the circular electrode plates 15 and 16 are bonded to each other by dust and moisture, there is a risk of short circuit.

In addition, the elevating device of such a structure is possible when a simple electric device such as a lamp is installed in a detachable substructure, but detachable from an electric device in which data is transmitted and received along with a power supply, such as CCTV and wireless communication data transmission and reception device. In the case where several electrical sockets (contacts) according to the structure are required, circular electrode plates having different diameters should be provided, thereby increasing the risk of short circuit between the electrode plates.

In addition, the lifting or lowering of the lamp unit 4 in the lifting device of such a structure is made by the winding or unwinding the wire 8 in the winder, the weight of the lamp unit 4 is entirely in the wire 8 Since it is caught, the wire 8 has to be thick enough to overcome the weight of the lamp 4, and the winding machine also has a problem that must be large.

In addition, the lifting device of such a structure may cause a short circuit between the contacts when the lamp is rotated or vibrated by external factors even after the coupling.

The present invention has been made to solve these problems, and an object of the present invention is to provide an electrical connection device and an electrical facility for preventing the rotation phenomenon of the moving body is installed an electrical device detachable to the fixture.

Another object of the present invention is to ensure a stable and accurate connection when the movable body and the fixed body is composed of a plurality of contact and electrode structures.

Another object of the present invention is to reduce the tension applied to the wire.

Other objects than this will be described with reference to the embodiments of the present invention.

A first aspect of the present invention for achieving the above object is a fixed body is provided with two through-holes, the socket is provided with a power supply plug; A moving body having an electrical terminal connected to the power supply plug, inserted into the two through holes, and having guide rods formed in the center in the longitudinal direction thereof, and a roller installed at an opposite side on which the guide rod is installed; The start end is installed in the winder, and is passed through one of the two through holes, wound through the through hole of one of the guide rods, and wound around the roller, and then passes through the other through hole of the guide rods. And a wire which terminates in the fixture after passing through the other one, and the power supply plug and the electrical terminal are connected as the guide rods are inserted into the through holes of the fixture when the wire is wound with the winder. And the power supply plug and the electrical terminal are disconnected as the movable body is separated from the fixed body when the wire is released.

Further, in the present invention, the thrust bearing is installed in the fixed body, and the wire passing through the other one of the two through holes is preferably terminated through the thrust bearing.

Further, in the present invention, it is preferable that the fixture has a cylindrical housing, and the movable body has a movable body housing that is interpolated or extrapolated to the housing of the fixed body.

In the present invention, it is preferable that a step limiting the length of the movable body housing is inserted in the housing of the fixed body.

In addition, in the present invention, the locking blade formed with a stepped portion protrudes upward in the center of the upper surface of the socket of the movable body, the locking wire is connected to one side and rotatable, and is opposite to the rotational direction by the locking wire by a spring. And a locker formed on the other side to lock by supporting the stepped portion from below and rotatably mounted to a frame installed in the fixed housing, wherein the locking portion raises the stepped portion when the locking blade is raised. It is preferable that the locking state is released by supporting the lock, and the locking wire is pulled away from the stepped portion by pulling the locking wire.

In the present invention, it is preferable that an electric device is installed at the end of the movable housing.

In the present invention, the electrical device is preferably any one of CCTV, lamps and wireless communication devices.

In addition, in the present invention, the support for supporting the fixed body includes a cylindrical portion protruding on both sides, a support is installed on the inner upper portion of the cylindrical portion, a turning roller detachable to the support is installed on the inner side of the cylindrical portion, The wire and the locking wire is preferably wound around the turning roller to be turned.

In addition, in the present invention, the upper end of the guide rod is preferably tapered so that the guide rod cap is installed to guide when inserted into the through hole of the fixing socket.

In addition, a second feature of the present invention is a support vertically installed on the ground; A fixed arm head formed at an end thereof and installed in the transverse direction from an upper portion of the post; A rotating arm coupled to or separated from the fixed arm head at one end thereof, the rotating arm having the other end hinged to the fixed arm; A fixed body mounted to the rotating arm head; A moving body coupled to or separated from the fixture; An electrical device installed on the movable body; A wire for coupling or separating the fixed arm head and the rotary arm head, and for coupling or separating the fixed body and the movable body; A cushioning member having one end connected to the rotating arm and the other end connected to the fixed arm such that the length thereof changes with the rotation of the rotating arm when the rotating arm rotates from the fixed arm; It includes a winder that can wind or unwind the wire.

In addition, a third feature of the present invention is a strut installed perpendicular to the ground; A fixed arm installed laterally on said support; A fixing body having two through-holes formed therein, a socket having a power supply plug installed therein and installed at an end of the fixing arm; An electrical terminal is installed to connect with the power supply plug, guide rods are inserted into the two through holes, and a through hole is formed in the center in the longitudinal direction, and a roller is installed on the opposite side where the guide rod is installed. A moving body for supplying power to an electrical device connected with the moving unit; The start end is installed in a winding machine, is passed through one of the two through holes, is wound on the roller through one of the through holes of the guide rods, and then passes through the other through holes of the guide rods, And a wire which terminates in the fixture after passing through the other one, and the power supply plug and the electrical terminal are connected as the guide rods are inserted into the through holes of the fixture when the wire is wound with the winder. And the power supply plug and the electrical terminal are separated as the movable body is separated from the fixed body by its own weight when the wire is released.

Hereinafter, an embodiment of the present invention according to the accompanying drawings will be described in detail.

Figure 2 is a perspective view showing a state in which the movable body is separated from the stationary body in one embodiment of the lifting device of the present invention, Figure 3 is a state in which the movable body is mounted on the stationary body in one embodiment of the lifting device of the present invention It is a perspective view showing.

The fixed body 20 extends under the upper housing 21 and upper housing 21 provided with means for coupling or detaching the movable body 50 in the cylindrical fixed housing 27. And a cylindrical lower housing 22 having an inner circumferential surface coinciding with the outer circumferential surface of 21). The connecting portion of the upper housing 21 and the lower housing 22 is formed a step that occurs due to the radial difference. In addition, the upper end of the upper housing 21 is provided with a cylindrical cap 23 of which the upper surface is closed.

In addition, a fixing socket 31 is installed inside the lower end of the upper housing 21, and a lower frame 37 is installed on an upper surface of the fixing socket 31. In addition, an upper frame 25 is installed at the bottom of the cap 23, and longitudinal frames 24, 24 ′, and 24 ″ are provided in the longitudinal direction between the lower frame 37 and the upper frame 25. The support frame 28 for supporting the guide roller 34 and the thrust bearing 26 is installed in the longitudinal frames 24 and 24 ', which will be described in detail later.

In addition, a locker frame 30 is installed at the center of the lower frame 37, and a locker 33 operated by the locking wire 35 and the spring 29 is installed at the upper portion of the locker frame 30. A plurality of plugs 32 protrude from the lower sides of the stagnation socket 31, and through-holes through which the guide rods 51 and 52 of the movable body 50 pass are formed.

The movable body 50 is inserted into the lower housing 22 of the fixed body 20 when combined with the fixed body 20, and has a cylindrical movable body housing 56 having a locking jaw 81 formed on an inner circumferential surface thereof, and a movable body housing ( The movable socket 53 is press-fitted to the locking projection 81 formed on the inner circumferential surface of the 56, and various kinds of electrical devices 57 such as CCTV, lamps, and wireless communication devices installed at the lower end of the movable housing 56.

In addition, roller support frames 54 and 54 'are installed downward in the lower part of the movable socket 53, and movable roller 58 is installed in the roller support frames 54 and 54'.

In addition, a plug insertion terminal 59 into which the plug 32 is inserted is installed on an upper surface of the movable socket 53, and a locking blade having a plurality of stepped portions 61 formed thereon to be locked by the locker 33 at the center thereof. 60 is installed, two guide rods 51, 52 are installed upward.

The guide rods 51 and 52 are tapered at the upper end thereof so that the guide rods 51 and 52 can be inserted into the through holes of the fixing socket 31, and through holes are formed in the center of the guide rods 51 and 52 in the longitudinal direction. Wire 36 passes through.

The wire 36 drawn perpendicular to the fixture 20 is turned downward by 90 degrees by the guide roller 34 and passes through one of the through holes of the fixture socket 31 so that the guide rod 51 can be moved. Passed through the through hole is discharged to the lower portion of the moving body socket 53, is wound up to be turned 180 degrees by the moving body roller 58 is discharged upward through the through hole of the guide rod 52 and then the other of the fixed body socket 31 It passes through the through hole and passes through the thrust bearing 26 to be terminated.

Since the start end of the wire 36 is installed in a winding machine (not shown) for releasing or winding the wire, the moving body 50 gradually rises when the wire 36 is wound by the winding machine. As the movable body 50 ascends, the guide rods 51 and 52 are inserted into the through holes of the stationary socket 31 and penetrated therein, and then in the locked state in which the locking blade 60 is locked by the locker 33. In this case, the plug 32 of the fixing body 20 is inserted into the plug insertion terminal 59 of the movable body 50 to form a state as shown in FIG. 3. In this state, power supply and data transmission are performed between the stationary body 20 and the movable body 50.

When the locking wire 35 is pulled in such a coupled state, the locking state of the locker 33 and the locking blade 60 is released, and the wire 36 is released by operating the winding machine in the unlocking state. As described above, the stationary body 20 and the movable body 50 are moved downward to be separated.

At this time, the tension applied to the wire 36 is half of the weight of the movable body 50 because the movable roller 58 moves, so that a thin wire can be used as compared with the case where the movable roller 58 is not installed.

In addition, since the wire 36 is fixed at the end point after passing through the thrust bearing 26, the wire 36 is released by the truss bearing 26 to prevent the moving body 50 from rotating.

When the movable body 50 is inserted into the fixture 20, the outer peripheral surface of the movable housing 56 is designed to contact the inner peripheral surface of the lower housing 22, and the upper surface of the movable housing 56 is the upper surface of the fixed body. The moving body 50 does not flow because it is in contact with the stepped surface formed by the housing 21 and the lower housing 22.

In addition, such a structure completely prevents water from flowing into the moving body 50.

4 is an assembled perspective view for explaining the detailed configuration of the fixture shown in FIG.

Between the upper band 25 in the shape of a circular strip and the lower frame 37 in the shape of a disk, three longitudinal shaped plates 24, 24 ′, and 24 ″ having a predetermined width at intervals of 90 degrees are provided. In addition, the L-shaped pieces 28 'and 28 "formed of the horizontal portion and the vertical portion form the support frame 28, and the upper end of the vertical portion of the support frame 28 is the upper frame ( 25, and the end of the horizontal portion is fastened to the longitudinal frame 24 ". In addition, the horizontal portions of the support frame 28 are pins 38 provided between the longitudinal frames 24 and 24 '. In addition, a through hole is formed in the corner portion of the support frame 28, which is a connecting portion of the horizontal portion and the vertical portion, and a pin 39 passing through the through hole is installed by a snap ring. , The guide roller 34 is installed between the two pieces 28 ', 28 "with the pin 39 as the rotation axis, and the guide roller 34 Turn it 90 degrees so it is downward.

In addition, a bearing mounting plate 40 on which the thrust bearing 26 is installed is provided on the upper surface of the horizontal portion of the supporting frame 28, and a through hole through which the wire 36 passes is formed in the mounting plate 40. The wire 36 passes through the through hole of the mounting plate 40 and the center of the thrust bearing 26 and is fixed at an end portion (not shown) installed on the top surface of the thrust bearing 26.

In addition, a penetrating portion through which the locking blade 60 penetrates is formed at the center of the lower frame 37, and on both sides of the penetrating portion, a rocker frame 30 consisting of two pieces is installed upward, and the locker frame 30 The upper portion is formed with a protrusion protruding to one side, the through portion is formed with a through hole, the through hole bolt 46 to form a rotation axis of the locker 33 is fastened by a nut 47 is installed, the bolt 46 The springs 44 and 45 are installed.

The locker 33 is composed of an oblique line portion formed with through holes 41 and 42 at both ends, a vertical portion downward from an approximately middle portion of the diagonal portion, and a horizontal portion 43 bent to both sides from the lower end of the vertical portion. When the locking wire 35 is connected to the through hole 41 and the locking wire 35 is pulled, the front end of the horizontal portion 43 is lifted up. In addition, the bolt 46 passes through the through hole 42 so that the locker 33 rotates with respect to the locking frame 30, and the ends of the pins 44 and 45 are outside the vertical part of the locker 33. The locker 33 is pulled by the locking wire 35 to generate a restoring force to rotate inward when the vertical portion is rotated outward.

In addition, the upper surface of the tip of the horizontal portion 43 is a horizontal plane, and the lower surface forms a tapered surface that rises toward the tip, and the stepped portion 61 of the locking blade 60 is inwardly upward from the tip of the horizontal plane and the horizontal plane. It consists of a plurality of tooth shapes formed with a tapered surface inclined. As the stepped portion 61 of the locking blade 60 is raised, the tapered surface of the stepped portion 61 pushes the tapered surface of the locker 33 to rotate the locker 33, and the tapered surface of the stepped portion 61 is raised. When this is completed, the front end of the horizontal portion 43 of the locker 33 receives the restoring force by the springs 44 and 45 and receives the lower portion of the horizontal surface of the stepped portion 61 so that the locking blade 60 is not downward. Lock it to prevent it.

In addition, the fixing socket 31 is formed with through-holes 72 and 73 through which the guide rods 51 and 52 of the movable body 50 pass, and a plurality of plugs 32 are formed at the lower portion thereof. Is installed, the fixed socket 31 is formed with a wire inlet for connecting the electric wire to the upper end of the plugs 32, the screw groove for being screwed by the lower frame 37, screws 74, 75 Is formed.

In addition, the side of the fixture socket 31 is formed in a cylindrical shape, the lower end of the side is formed with a stepped when the fitting socket 31 is pushed into the upper housing 22 from the lower housing 22, Stepped to the lower end of the upper housing 22 so that it is no longer pushed.

When the stationary socket 31 is installed in the upper housing 22, the longitudinal frames 24, 24 ', 24 ", the rocker frame 30, the upper frame 25 and the lower frame 37, After the support frame 28 is engaged, the rocker 33 is installed on the rocker frame 30, the guide roller 34 and the thrust bearing 26 are installed on the support frame 28, and then the frames are mounted on the upper housing 22. ) From the top to the bottom to fasten the lower frame 37 to the fixing socket 31 with screws 74 and 75.

In addition, the cap 23 is placed on the upper portion of the upper housing 22, and the cap 23 and the upper housing 22 are coupled by fastening the screw 74 to the screw hole formed at the side of the cap 23.

FIG. 5 is an assembled perspective view illustrating the detailed configuration of the movable body illustrated in FIGS. 2 and 3.

A locking jaw 81 is formed on an inner circumferential surface of the movable housing 56, and a stepped 82 formed on the outer circumferential surface of the movable socket 53 is pressed into the movable socket 53 by pressing the movable socket 53 upward from the lower end of the movable housing 56. Make contact with the locking jaw 81. In addition, two guide rods 51 and 52 through which the center penetrates are installed on the upper surface of the movable socket 53. The wires 36 are passed through the upper ends of the guide rods 51 and 52 and are curved to be guided when inserted into the through holes 72 and 73 of the stationary socket 31. Guide rod caps 83 and 84 are provided. In addition, the lower ends of the guide rods 51 and 52 communicate with the through-holes of the movable socket 53, and the wire passing through the guide rod 51 is turned in the opposite direction in the movable roller 58, and the direction is changed. The finished wire passes through the moving socket 53, passes through the through hole, passes through the guide rod 52, passes through the thrust bearing 26, and terminates at the end.

Further, terminal insertion grooves are formed in the upper surface of the movable socket 53, and the plug insertion terminals 59 and 59 'are bolts 87, 88, nuts 87', and () in the terminal insertion grooves. 88 ').

In addition, roller support frames 54 and 54 'are provided from the lower surface of the movable socket 53, and pins 85 are formed by E-type and O-type snap rings on the roller support frames 54 and 54'. It is fastened and the pin 85 is provided with the moving body roller 58 which makes the pin 85 the rotating shaft.

In addition, an electrical device 57 is installed at the lower end of the movable housing 56 by screwing.

FIG. 6 is a perspective view illustrating a pillar of an embodiment of the present invention, and FIG. 7 is an assembled view of the direction turning roller installed in the pillar of FIG. 6.

6 is composed of a vertical portion 101 installed perpendicular to the ground and an arm 102 bent horizontally at the upper end of the vertical portion 101, and the fixing body 20 is installed at the end of the arm 102. The movable body 50 is separated from the fixed body 20 by the wire 36 and the locking wire 35.

In addition, a winding machine (not shown) for winding the wire 36 and the locking wire 35 is provided below the vertical portion 101, and the wire 36 and the locking wire 35 discharged from the winding machine are provided. Passed through the inside of the vertical portion 101 by the turning roller 103 installed in the vertical portion 101 and the distal portion of the arm 102 is turned and passed through the arm 102 and drawn out to the fixture 20 do.

As shown in FIG. 6 and FIG. 7, a cylinder extending vertically with the arm 102 protrudes from the vertical portion 101 extending from the arm 102, and the inner side of the cylinders 105, 106. The upper portion of the support frame is formed so that the flat frame 104 can be mounted on a shelf.

Two roller frames 105 and 106 are installed downward in the lower part of the flat plate frame 104, and the turning rollers 103 are coupled to the roller frames 105 and 106 by O snap rings at both ends thereof. It rotates about the pin 107. The wire 36 and the locking wire 35 are turned by 90 degrees by the turning roller 103.

Since the operation of winding the wire 36 and the locking wire 35 on the roller 103 is not easy when the turning roller 103 is installed on the vertical portion 101, the flat plate frame 104 moves to the outside. After winding the wire 36 and the locking wire 35 on the turning roller 103 in the drawn state, the flat frame 104 is placed on the supports inside the cylinders 105 and 106.

8 illustrates a state in which a mobile body is coupled to a fixture in another street lamp according to another embodiment of the present invention, FIG. 9 illustrates a state in which the mobile body is separated from the fixture in FIG. 8, and FIG. 10 is a street lamp of FIG. 8. Figure 11 is a perspective view for explaining the operation of, Figure 11 is a perspective view of the fixed arm head and the rotary arm head of the embodiment shown in Figure 8, Figure 12 is a state in which the fixed body and the movable body in the embodiment shown in FIG. 13 is a perspective view of the fixed body and the movable body in the embodiment shown in FIG.

In FIG. 8 and FIG. 9, the street lamp 110 is installed at a lower part of the fixed arm 112 and the fixed arm 112 installed toward the road from the upper end of the support 111 and the upper end of the support 111 installed vertically on the ground. The rotating arm 113 which rotates with respect to the fixed arm 112, the ramp part 114 provided in the edge part of the rotating arm 113, and the shoba 115 provided between the fixed arm 112 and the rotating arm 113. As shown in FIG. ), And a support member 119 for supporting the fixed arm 112 with respect to the support 111.

In addition, the fixing arm 112 and the rotating arm 113 is provided with coupling means for coupling them, the rotating arm 113 and the lamp unit 114 is provided with coupling means for coupling them, the lamp unit 4 An electric wire for supplying electricity to a light bulb installed in the () is installed from the pole to the end of the rotary arm 113, the strut 111 to move the lamp unit 114 up and down from the end of the rotary arm 113 Winding machine 117 is installed at the lower end of the), while the wire 116 is wound or unwinded on the winder 117 to raise and lower the lamp unit 114. In addition, a locking latch for winding the locking wire for releasing or winding the length of the wire for releasing the locked state of the fixed arm 112 and the rotary arm 113, which will be described later, is provided at the lower end of the support 111.

FIG. 8 illustrates a state in which the lamp unit 114, the rotating arm 113, and the fixed arm 112, in which the lamp of the street lamp is installed, are coupled. At this time, the rotary arm 113 and the fixed arm 112 are locked by the locking means, and the electric plug of the lamp unit 114 is in contact with the electric terminal of the rotary arm 113.

When the locking latch is operated in the state of FIG. 8 to release the locking, and the winding wire 116 of the winder 117 is released, the rotary arm 113 is separated from the fixed arm 112 to rotate downward. . At this time, the showbar 115 limits the separation distance of the rotating arm 113. The showbar 115 includes a cylinder 115b installed on the fixed arm 112 so as to be rotatable, one end of which is connected to the rotating arm 113, and the other end of the rod 115c positioned inside the cylinder 115b. At this time, the maximum moving distance of the rod 115d is limited to the state in which the rotation arm 113 is perpendicular to the ground. In this way, the rotation distance at which the rotary arm 113 is rotated by the showbar 115 is not only limited, but also prevents the rotary arm 113 from being suddenly rotated so as to cushion the movement slowly.

In the state in which the rotary arm 113 is perpendicular to the ground, the lamp unit 114 is separated from the end of the rotary arm 113 by its own weight and moved downward to achieve a state as shown in FIG. 9.

The start end of the wire 116 is wound and fixed to the winder 117 as shown in FIG. 10, and the end is fixed to the rotary arm 113, and the electric pole 111 and the fixed arm are connected between the start end and the end of the wire 116. The rotating arm head provided in the direction change roller 121 provided in the connection part of 112, the roller 132 provided in the fixed arm connection part 131 provided in the edge part of the fixed arm 112, and the end of the rotating arm 113. The roller 142 of 141 and the rollers 151 of the lamp unit 114 are installed. The roller 151 is fixed to the winding machine 117 at one end of the wire 116 which is contacted to change the direction of the wire 116, and the other end is fixed to the rotary arm 113 at the winding machine 117. When the wound wire 116 is released, the roller 151 is moved downward, and eventually the lamp unit 114 on which the roller 151 is installed is moved downward, and the wound wire 116 is wound around the winding machine 117. When the roller 151 is moved upward, the lamp unit 114 is eventually moved upward.

When the ramp portion 114 starts to move upward from the lowest position, since the external force applied horizontally by the wire 116 is applied to the roller 142, a rotational force for rotating the rotary arm 113 is applied, When the rotating arm 113 is rotated, the rotating arm 113 and the lamp unit 114 in the uncoupled state flow in a large width, causing a large amount of twisting of the wire 116 to occur. Tension is applied. At this time, the show bar 115 is designed not to be operated before an external force of a predetermined size is applied, thereby suppressing the rotation of the rotary arm 113. Further, the lamp unit 114 is coupled to the end of the rotary arm 113 by the continuous winding of the wire 116, and a rotational force greater than the suppression force of the shock absorber 115 is applied to the rotary arm 113. Rotating arm 113 is rotated. The showbar 115 thus serves to ensure that the lamp unit 4 is securely coupled to the end of the rotating arm 113.

Rotating arm 113 is connected to the fixed arm 112 rotatably coupled by a hinge 118, 191, 192, and a rotating arm provided at the ends of the connection member 191, 192 Head 141.

In addition, the electric wire from the support 111 and the fixing arm 112 is fixed to the terminal block 148 of the rotating arm head 141 via the connection members 191 and 192. In addition, electric wires connected to the plugs 147b and 147b 'are connected to the terminal block 148.

Rotating arm head 141 has a housing 146 that can be inserted into the interior of the fixed arm head 131, the interior of the housing 146, the roller 142, the terminal block 148 for fixing the wire, fixed A locking hole 145 is fastened to the locking means of the arm head 141. A cylindrical portion 155 protruding outward is provided on the housing face 146 ′ facing the ground when the rotating arm 113 faces the ground. The housing of the fixture 143 is screwed to the cylindrical portion 155, and the fixture socket 147 is installed at the housing end of the fixture 143.

The stationary socket 147 has through holes 147a and 147a 'through which the guide rods 152 and 152' of the movable body pass, and the plugs 147b and 147b 'protrude downward. do. In addition, the plugs 147b and 147b 'positioned inside the fixed socket 147 are connected to the terminal block 148 by an electric line.

In addition, as shown in FIG. 11, a wire holder 160 is installed inside the housing surface 146 ′ to fix an end portion of the wire 116. At this time, the wire holder 160 is provided with an annular thrust bearing 144, the wire 116 is fixed through the center of the thrust bearing 144. At this time, the thrust bearing 144 prevents rotation or twisting of the wire 116.

In addition, the lamp unit 114 is provided with a light bulb therein, a lamp housing 157 for dissipating the light of the light bulb to the outside, and a movable body installed in the lamp housing 157 attached to and detached from the rotating arm head 31 ( 154 is installed.

11, the fixed arm head 131 installed at the end of the fixed arm 112 is engaged with the rotating arm head 141 of the rotary arm 113. FIG. 11 illustrates a state in which the fixed arm head 131 and the rotating arm head 141 are coupled, and the locking pin 136 of the fixed arm head 131 is locked by the locking hole 145 of the rotating arm head 141. Is inserted into The locking holes 145 are rectangular openings, and the locking pins 136 are oblique in shape and have upper surfaces in a horizontal plane. When the locking pins 136 are inserted forward along the locking holes 145, the locking pins are inserted. The fixed arm head 131 and the rotating arm head 141 are not separated unless 136 reverses. The locking pin 136 is repulsed by a spring 134 installed in the locking pin installation frame 135 so that a force for advancing the locking pin 136 is applied, and the locking wire 132 connected to the bottom of the support 111 ( 133). Therefore, in the case where the locking is to be released, when the locking wire 133 is pulled from the lower part of the support 111, the locking pin 136 is removed from the locking hole 145, so that the rotating arm head 141 is fixed arm head. And separated from 131.

In addition, the movable body 154 includes a movable housing 155 installed in the lamp housing 157 and extrapolated to the fixed body 143 and a movable socket 156 installed at an end of the movable housing 155. The movable socket 156 is mated or press-fitted to the end of the movable housing 155. In addition, guide rods 152 and 152 'protruding upward are provided on the upper surface of the movable body saw 156, and a roller 152 is provided on the lower surface. Moreover, the terminal 153, 153 'connected with the plug 37b, 37b' is provided in the upper surface.

In FIG. 12, the wire 116 enters the guide rod 152 and comes out through the roller 151 to the guide rod 152 ′, and the wire 116 is wound up to the maximum. At this time, the movable body 155 is extrapolated to the fixed body 143, the plugs 147b and 147b 'are inserted into the terminals 153 and 153', and the guide rods 152 and ( 152 'is inserted into the through holes 147a and 147a' to protrude to the maximum.

When the wire 116 is released in the state of FIG. 12, the guide rods 152 and 152 ′ are guided downward through the through holes 147a and 147a ′, and the terminal is separated from the plug. At this time, the movable body 155 is also separated from the stationary body 143 to be downward, and eventually separated to reach the state of FIG.

According to the present invention having the above object and configuration, it is possible to conveniently move down the electric device located in a high place to check and repair.

In addition, the electric device can be applied not only to a lamp, but also to a high-performance device such as a camera to which various data must be transmitted and received.

In addition, the twisting of the wire can be prevented when the electric device is raised and lowered.

In addition, when the moving body is configured to have a structure inserted into the fixed body, rainwater can be prevented from flowing into the electrical connection part during rain.

In addition, the movable body and the stationary body are inserted into each other to prevent the movable body and the stationary body from flowing with each other.

In addition, the roller installed at the lower end of the moving body to reduce the tension of the wire in half.

Claims (20)

A fixing body in which two through holes are formed and a socket in which a power supply plug is installed; A moving body having an electrical terminal connected to the power supply plug, inserted into the two through holes, and having guide rods formed in the center in the longitudinal direction thereof, and a roller installed at an opposite side on which the guide rod is installed; The start end is installed in a winding machine, is passed through one of the two through holes, is wound on the roller through one of the through holes of the guide rods, and then passes through the other through holes of the guide rods, A wire terminated in the fixture after passing through the other, As the guide rods are inserted into the through holes of the fixture when the wire is wound with the winder, the power supply plug and the electrical terminal are connected, and the movable body is separated from the fixture when the wire is released. And the power supply plug and the electrical terminal are separated. The electrical connection device of claim 1, wherein a thrust bearing is installed in the fixture, and a wire passing through the other one of the two through holes is terminated through the thrust bearing. 2. The electrical connecting apparatus according to claim 1, wherein the fixture has a cylindrical housing, and the movable body has a movable body housing that is interpolated or extrapolated to the housing of the fixed body. 4. The electrical connection device according to claim 3, wherein a step limiting a length into which the movable housing is inserted is formed in the housing of the fixed body. According to claim 3, In the center of the upper surface of the socket of the movable body is a locking blade formed with a stepped portion protrudes upward, the locking wire is connected to one side is rotatable, opposite to the rotation direction by the locking wire by a spring And a locker formed on the other side to lock by acting a restoring force in a direction and supporting the stepped portion from the bottom thereof, the locker being rotatably installed on a frame installed in the fixed housing, wherein the locking portion is raised when the locking edge is raised. And the locking portion is supported by the lower portion and the locking wire is pulled to release the locking portion from the stepped portion, thereby releasing the locked state. The electrical connection device according to any one of claims 1 to 5, wherein an electrical device is provided at an end of the movable housing. The electrical connection device of claim 6, wherein the electrical device is any one of a CCTV, a lamp, and a wireless communication device. According to claim 6, The support for supporting the fixed body includes a cylindrical portion protruding on both sides, the support is provided on the inner upper portion of the cylindrical portion, the inner side of the cylindrical portion is provided with a removable roller to the removable support And the wire and the locking wire are wound around the turning roller to change direction. 7. The electrical connecting apparatus according to claim 6, wherein an upper end of the guide rod is tapered so that a guide rod cap is installed to guide the insertion rod into the through hole of the fixing socket. Props installed perpendicular to the ground; A fixed arm head formed at an end thereof and installed in the transverse direction from an upper portion of the post; A rotating arm coupled to or separated from the fixed arm head at one end thereof, the rotating arm having the other end hinged to the fixed arm; A fixed body mounted to the rotating arm head; A moving body coupled to or separated from the fixture; An electrical device installed on the moving body; A wire for coupling or separating the fixed arm head and the rotary arm head, and for coupling or separating the fixed body and the movable body; A cushioning member having one end connected to the rotating arm and the other end connected to the fixed arm such that the length thereof changes with the rotation of the rotating arm when the rotating arm rotates from the fixed arm; And a winder for winding or unwinding the wire. The electrical installation according to claim 10, wherein the buffer member comprises a piston operated by a fluid and a rod reciprocating with respect to the piston. 12. The apparatus of claim 11, wherein a starting end of the wire is installed in the winding machine, an end of the wire is installed in the rotating arm head, and the electric device is provided with a turning roller, and the wire starts from the winding machine. Passing through the fixed arm head, the rotating arm head and turning at the turning roller to terminate at the rotating arm head, and when the wire is unwound from the winding machine, first, from the fixed arm head, the rotating arm head After the spaced apart by rotating the maximum distance set by the shock absorbing member, the moving body is separated and lowered from the fixed body, and when the wire is wound by the winding machine, first the moving body is raised and coupled to the fixed body The rotary arm is rotated such that the rotary arm head is coupled to the fixed arm head An electrical installation having an electrical connection device, characterized in that. The electrical installation according to claim 12, wherein the piston and the rod suppress the rotational force of rotation of the rotating arm while the movable body is raised to engage the fixed body. 13. The electrical connecting device of claim 12, further comprising a thrust bearing in which the wire is in contact with the center of the rotating arm head, and a fixture for fixing an end of the wire passing through the thrust bearing. Having electrical facilities. Props installed perpendicular to the ground; A fixed arm installed laterally on said support; A fixing body having two through-holes formed therein, a socket having a power supply plug installed therein and installed at an end of the fixing arm; An electrical terminal is installed to connect with the power supply plug, guide rods are inserted into the two through holes, and a through hole is formed in the center in the longitudinal direction, and a roller is installed on the opposite side where the guide rod is installed. A moving body for supplying power to an electrical device connected with the moving unit; The start end is installed in a winding machine, is passed through one of the two through holes, is wound on the roller through one of the through holes of the guide rods, and then passes through the other through holes of the guide rods, A wire terminated in the fixture after passing through the other, As the guide rods are inserted into the through holes of the fixture when the wire is wound with the winding machine, the power supply plug and the electric terminal are connected, and when the wire is released, the movable body is caused by its own weight. And wherein the power supply plug and the electrical terminal are separated from each other. 16. The electrical connecting apparatus according to claim 15, wherein the fixed body has a cylindrical housing, and the movable body has a movable body housing inserted into the housing of the fixed body. The electrical connection device according to claim 16, wherein a step limiting the interpolation length of the movable housing is formed in the housing of the fixed body. The locking blade of claim 16, wherein a locking edge having a stepped portion is formed to protrude upward, and a locking wire is connected to one side to be rotatable, and is opposed to a rotational direction by the locking wire by a spring. And a locker which provides a restoring force in a direction and locks the other side by supporting the stepped portion at a lower side thereof, and includes a locker rotatably installed on a frame installed in the fixed housing, wherein the locking portion is raised when the locking blade is raised. And the locking step is supported by the lower part of the lower part, and the locking wire is pulled away from the step part to release the locked state. The electrical connection device according to claim 16, wherein the electrical device is installed at an end of the movable housing. 19. The method according to claim 18, wherein the connecting portion of the fixed arm of the support is provided with a cylindrical portion protruding to both sides of the support, a support is provided on the inner upper portion of the cylindrical portion, the inner side of the cylindrical portion is detachable direction changeable to the support The roller is installed, the direction change roller is the electrical connection device, characterized in that the wire and the locking wire is wound around the direction change.

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