JP6436551B1 - Suspension device - Google Patents

Abstract

There is provided a suspending device that allows a display device 2 to be used immediately by suspending it from an existing duct rail. A suspension device (3) includes a sub duct rail (5) attached to an existing duct rail (1), a connector (6) for attaching the sub duct rail (5) to the duct rail (1), and a display device (2) to the sub duct rail (5). And a hanger 7 for hanging. The sub duct rail 5 is supported by a connector 6 attached to the duct rail 1. The display device 2 is suspended by a wire 8 of a lifting tool 7 attached to the sub duct rail 5. The sub duct rail 5 is provided with a converter 4 that converts electric power of the external power source into electric power corresponding to the display device 2. The external power source is electrically connected from the duct rail 1 to the converter 4 through the connector 6. The sub duct rail 5 electrically connected to the converter 4 is electrically connected to the display device 2 through the wire 8 of the hanger 7. [Selection] Figure 1

Description

  The present invention relates to a suspending device for suspending a display device from a fixing member such as a duct rail or a ceiling.

  When the display device is suspended from the ceiling, Patent Document 1 describes that a display device using LEDs is suspended by two cables, and power is supplied from the power source to the display device through the cable. .

  Here, in order to suspend the display device, a duct rail fixed to the ceiling is used. An external power supply is connected to the duct rail, and power from the external power supply is supplied to the display device through a cable. When a commercial power source is used as an external power source, a converter that converts an AC voltage into a predetermined DC voltage is required to operate the display device. When the converter 4 is not built in the display device, the converter is provided on the duct rail or the ceiling.

Special table 2015-528917 gazette

  When a display device is suspended from an existing duct rail, if the converter is installed on the ceiling, installation work on the ceiling is required. If a power box with a built-in converter is used to install the converter on the duct rail, the power box is slidably mounted on the duct rail, the display device is mounted on the duct rail, and the power box and the display device are electrically connected. It is necessary to connect to this, and the installation work is complicated.

  Therefore, a suspending device that can be used immediately by simply suspending the display device from the duct rail is desired. In view of the above, an object of the present invention is to provide a suspending device suitable for suspending a display device on an existing duct rail.

  The suspension device of the present invention includes a sub duct rail attached to an existing fixing member, a connection tool for attaching the sub duct rail to the fixing member, a suspension tool for hanging the display device from the sub duct rail, and a power source. And a converter that converts the power into power corresponding to the display device. The sub duct rail is attached to the fixing member by being supported by a connecting tool attached to the fixing member, the suspension is slidably attached to the sub duct rail, and the converter is electrically connected to a power source provided on the fixing member. The conductor provided on the sub duct rail is electrically connected to the converter, and the suspension is electrically connected to the conductor of the sub duct rail, and power is supplied to the display device through the suspension.

  The hanger has a conductive wire for suspending the display device, the wire is fixed to a locking tool provided in the display device, and a cap for restricting the movement of the wire is attached to the locking tool. Predetermined electric power is supplied to the display device from the hanging tool through the wire. Even if the wire or the display device shakes during use of the display device, the movement of the wire is restricted and the display device does not come off the wire.

  A display device using the suspension device includes a display device that is suspended from an existing fixing member, and a converter that converts power from a power source into predetermined power. The display device includes a sub-duct rail attached to the fixing member, the display device is suspended by a wire on the sub-duct rail, the converter is electrically connected to a power source provided on the fixing member, and a conductor provided on the sub-duct rail Is electrically connected to the converter, and power is supplied to the display device through a wire electrically connected to the conductor of the sub duct rail.

  When the existing fixing member is a duct rail connected to an external power source, the suspension device includes a sub duct rail attached to the lower surface of the duct rail, a connector for attaching the sub duct rail to the duct rail, and a display device. A hanger for hanging on the sub duct rail and a converter for converting the power of the external power source into the power corresponding to the display device are provided. The sub-duct rail is attached to the duct rail by being supported by a connector that is slidably attached to the duct rail, the suspension is slidably attached to the sub-duct rail, and a converter is provided on the sub-duct rail. The connector is electrically connected to the conductor provided on the duct rail, the connector and the converter are electrically connected, and the conductor provided on the sub-duct rail is electrically connected to the converter, Is electrically connected to the conductor of the sub-duct rail, and power is supplied to the display device through the hanger. The external power source is connected to the converter from the duct rail through the connector, and the power of the external power source is converted into predetermined power. The converter is electrically connected to the display device from the sub duct rail through the suspension, and predetermined power is supplied to the display device, and the display device operates.

  The display device attached to the duct rail includes a display device that is suspended from an existing duct rail connected to an external power source, a converter that converts the power of the external power source into predetermined power, and a sub-duct rail that is attached to the duct rail. The display device is suspended by a wire on the sub duct rail, the converter is provided on the sub duct rail, the converter is electrically connected to the conductor provided on the duct rail, and is provided on the sub duct rail. The electric conductor is electrically connected to the converter, and electric power is supplied to the display device through a wire electrically connected to the electric conductor of the sub duct rail.

  According to the present invention, by using the sub duct rail connected to the converter, it is possible to supply power converted into a voltage suitable for a display device simply by attaching the sub duct rail to the existing duct rail. Even if it is not prepared separately, the display device can be used immediately.

Schematic overall configuration diagram of a display device using a suspension device Cross-sectional view of the connector attached to the duct rail Cross-sectional view of a lifting device attached to a sub-duct rail Perspective view of connector Perspective view of hanging tool Top view of the locking tool Cap perspective view The figure which shows the cap fitted to the locking hole

  As shown in FIG. 1, a display device suspended from an existing fixing member (duct rail) according to an embodiment of the present invention suspends a display device 2 from a display device 2 and a duct rail 1 connected to an external power source. It comprises a suspension device 3 for lowering and a converter 4 for converting the power of the external power source into predetermined power.

  The suspension device 3 suspends the sub-duct rail 5 attached to the lower surface of the existing duct rail 1, the connection tool 6 for attaching the sub-duct rail 5 to the duct rail 1, and the display device 2 from the sub-duct rail 5. And a lifting tool 7 for the purpose. The hanger 7 has a conductive wire 8, and the display device 2 is suspended from the sub duct rail 5 by the wire 8.

  As shown in FIGS. 2 and 3, the duct rail 1 is an aluminum tube extending long in the longitudinal direction. A mounting groove 10 is formed on the lower surface of the duct rail 1 parallel to the longitudinal direction, and a rail portion 11 is formed so as to sandwich the mounting groove 10. A pair of conductors 12 are provided on the upper side of the rail portion 11. The conductor 12 is made of a strip-shaped metal plate. The positive electrode conductor 12 and the negative electrode conductor 12 are disposed to face each other in the longitudinal direction. The conductor 12 is held on the duct rail 1 via the insulating member 13. The duct rail 1 is fixed to the ceiling, and a commercial power source is connected to the positive and negative conductors 12 as an external power source, and the conductor 12 is energized from the external power source.

  The sub duct rail 5 made of aluminum includes a rail portion 20 and a conductor 21 having the same structure as that of the duct rail 1, and the length in the longitudinal direction is shorter than that of the duct rail 1, and the width direction is the same length. A partition wall 22 is formed inside the sub duct rail 5, and the upper space serves as a power supply chamber 23. Converter 4 is provided in power supply chamber 23. The converter 4 is attached to the sub duct rail 5 with screws or an adhesive. The upper surface of the sub duct rail 5 is opened, and when the sub duct rail 5 is attached to the duct rail 1, the power supply chamber 23 communicates with the space inside the duct rail 1 through the attachment groove 10 of the duct rail 1. The converter 4 is one of an AC / AC converter, an AC / DC converter, and a DC / DC converter that converts the power of the external power source into predetermined power according to the display device 2. For example, when an LED is used for the display device 2, the converter 4 converts a 100V external power source into 12V and 4A.

  A power supply box 24 is attached to one end of the sub duct rail 5 in the longitudinal direction. An end cap 25 is fitted to the other end of the sub duct rail 5 in the longitudinal direction. The converter 4 and the power supply box 24 are connected by two power cables 26. The positive conductor 21 and the negative conductor 21 of the sub duct rail 5 are connected to the power supply box 24, respectively. The power supply box 24 outputs a drive current that controls the display device 2. Note that when AC power is supplied from the converter 4, the power supply box 24 incorporates the AC / DC converter 4.

  As shown in FIGS. 2 and 4, the connection tool 6 includes a lock part 30 for supporting the sub duct rail 5, a guide part 31 for guiding the connection tool 6 so as not to be detached from the duct rail 1, and a duct. A connector portion 32 that electrically connects the rail 1 and the sub-duct rail 5 is provided. The connection tool 6 is formed in a vertically long shape by a hollow housing, the connector portion 32 and the guide portion 31 are provided at the top of the housing 33, and the lock portion 30 is provided at the bottom of the housing 33. The housing 33 can be inserted into the mounting groove 10 of the duct rail 1 and the mounting groove 27 of the sub duct rail 5 and is formed in a size that can rotate around the central axis perpendicular to the longitudinal direction in the mounting groove 27.

  The lock part 30 is formed in a box shape larger than the width of the mounting groove 27 on the lower surface of the sub duct rail 5. When the connection tool 6 is attached to the duct rail 1, the lock portion 30 is positioned below the sub duct rail 5 and supports the sub duct rail 5 by contacting the lower surface of the sub duct rail 5.

  The guide part 31 protrudes outward from both sides in the width direction of the housing 33. The length of the guide portion 31 in the width direction is larger than the width of the mounting groove 10. The width of the guide portion 31 in the longitudinal direction is the same as the width of the housing 33. When the guide part 31 is parallel to the longitudinal direction, the guide part 31 passes through the attachment groove 10 of the duct rail 1 and the attachment groove 27 of the sub duct rail 5 and can be inserted into the rail part 11 of the duct rail 1. The The guide portion 31 is slidably supported on the rail portion 11 of the duct rail 1, and the connecting tool 6 does not come off the duct rail 1.

  The connector portion 32 includes a power receiving body 34 that is fed from the conductor 12 of the duct rail 1. The upper part of the power receiver 34 is exposed to the outside from the upper surface of the housing 33 and protrudes toward one side in the width direction. The lower part of the power receiving body 34 is accommodated in the housing 33 and is crimped to the connection terminal 35 having conductivity. An insertion port 37 for the connection cable 36 is formed on the side surface in the longitudinal direction of the housing 33, and the inserted connection cable 36 is electrically connected to the power receiver 34 via the connection terminal 35.

  Two insertion holes 38 through which the connection tool 6 passes are formed in the partition wall 22. The connection tool 6 is detachably mounted on the duct rail 1 through the sub duct rail 5. When attaching the sub duct rail 5 to the duct rail 1, the connecting tool 6 is inserted into the duct rail 1 from the attachment groove 27 of the sub duct rail 5 through the insertion hole 38. When the connecting tool 6 is turned, the guide portion 31 is locked to the rail portion 11. The sub duct rail 5 is attached to the duct rail 1 by the two connectors 6. Moreover, when turning the connection tool 6, the direction which each connection tool 6 turns is reversed. The power receiver 34 of one connector 6 contacts the positive conductor 12 of the duct rail 1, and the power receiver 34 of the other connector 6 contacts the negative conductor 12. Two connecting tools 6 are electrically connected to the duct rail 1. The connection cable 36 connected to each connector 6 is connected to the converter 4 through the power supply chamber 23.

  As shown in FIGS. 3 and 5, the hanger 7 includes a grip part 40 for hanging the wire 8, a guide part 41 for guiding the hanger 7 so as not to be detached from the sub duct rail 5, and the sub duct rail 5. And a connector portion 42 that electrically connects the wire 8 to each other. The hanger 7 is formed by a hollow housing 43, a connector portion 42 and a guide portion 41 are provided in the upper portion of the housing 43, and a grip portion 40 is provided in the lower portion of the housing 43. The upper part of the housing 43 can be inserted into the mounting groove 27 of the sub duct rail 5 and is formed in a size that can rotate around the central axis perpendicular to the longitudinal direction in the mounting groove 27.

  The lower portion of the housing 43 is formed in a box shape larger than the width of the mounting groove 27, and is provided so that the bolts 44 protrude downward. The grip part 40 has a sleeve 45 that holds the wire 8 in a slidable manner. The sleeve 45 holds the wire 8 by sandwiching the inserted wire 8. The sleeve 45 is screwed into the bolt 44 and attached to the housing 43.

  The guide part 41 and the connector part 42 are the same as those of the connection tool 6. However, the direction in which the power receiving body 46 protrudes from the guide portion 41 of the hanger 7 differs depending on the polarity. In the hanger 7 for the positive electrode, the power receiving body 46 projects toward one side in the width direction, and in the hanger 7 for the negative electrode, the power receiving body 46 projects toward the other side in the width direction. The power receiving body 46 of the connector portion 42 is electrically connected to the wire 8 from the connection terminal 47 through the bolt 44 and the sleeve 45 having conductivity.

  As shown in FIG. 1, the display device 2 includes a rectangular light guide plate 50 and a light emitting unit 51 surrounding the light guide plate 50. The light emitting unit 51 uses an LED as a light source and is provided in a frame 52 that holds the light guide plate 50. The light emitting units 51 are arranged on the four sides of the frame body 52. A display object such as a poster is attached to the front and back surfaces of the light guide plate 50 while being covered with a cover. The cover is detachably attached to the frame 52 with a magnet.

  Lockers 53 that hold the wire 8 are provided on four sides of the frame body 52. Two locking devices 53 are arranged on each side. A ball is attached to the lower end of the wire 8. As shown in FIG. 6, a locking hole 54 for locking the ball of the wire 8 is formed in the locking tool 53. The locking hole 54 is formed by a round hole 55 larger than the ball and a long groove 56 narrower than the ball. When the ball of the wire 8 is inserted from the round hole 55 and the wire 8 is moved along the long groove 56, the ball of the wire 8 is caught in the long groove 56, and the wire 8 is held so as not to come out of the frame body 52.

  A cap 57 for restricting the movement of the wire 8 is fitted into the locking hole 54. As shown in FIG. 7, the cap 57 is formed in accordance with the shape of the locking hole 54 and has a flange 58 that hides the locking hole 54. The cap 57 is shorter than the long groove 56, and when the cap 57 is fitted into the locking hole 54, the flange 58 covers the locking hole 54 as shown in FIG. 8. Since a part of the long groove 56 is not covered with the cap 547, the wire 8 extends straight. When the wire 8 or the display device 2 is shaken, the movement of the wire 8 is restricted by the cap 57, and the wire 8 can be prevented from coming out of the locking hole 54. Therefore, the display device 2 can be prevented from being detached from the wire 8.

  The locking tool 53 has conductivity, and the locking tool 53 and the light emitting unit 51 are electrically connected by wiring such as a flexible printed circuit board. Therefore, the electric power of the external power source is supplied from the duct rail 1 to the display device 2 via the sub duct rail 5 and the wire 8. Here, since the converter 4 is provided on the sub duct rail 5, the power of the external power source can be easily supplied to the display device 2 simply by attaching the sub duct rail 5 to the duct rail 1. Further, by preparing the sub duct rail 5 having a length corresponding to the size of the display device 2, it is possible to deal with various display devices 2. For example, the display device 2 may be a display device such as a computer or a TV. Furthermore, the display device 2 may be a lighting fixture that emits light.

  In addition, this invention is not limited to the said embodiment, Of course, many corrections and changes can be added to the said embodiment within the scope of the present invention. When the existing fixing member is a ceiling, the sub duct rail 5 is attached to the ceiling via the connector 6. Further, the converter 4 may be provided in a power supply box 24 attached to the sub duct rail 5. Alternatively, the converter 4 may be provided in a power cable for connecting to an external power source, and this power cable is connected to the power box 24.

DESCRIPTION OF SYMBOLS 1 Duct rail 2 Display apparatus 3 Suspension apparatus 4 Converter 5 Subduct rail 6 Connection tool 7 Lifting tool 8 Wire 12 Conductor 21 Conductor

Claims (3)

And a sub duct rails attached to the lower surface of the existing fixing member, and the connecting device for attaching the sub-duct rail fixing member, fixture hanging attached slidably to the sub duct rail for hanging a display device on the sub-duct rail And a converter that converts the power of the power source into power corresponding to the display device, and the connection tool passes through the sub duct rail and is attached to the fixing member, and the sub duct rail is connected to the fixing member by the connection tool attached to the fixing member . sub duct rail is attached to the fixed member by the lower surface is supported, partitioned inside the upper and lower sub-duct rail, is a power supply chamber through a cable in which the upper space is connected to the converter, the converter via a cable It is electrically connected to the power supply Te, via a conductor cable which is provided in the sub-duct rail con It is electrically connected to the over data, sling is electrically connected to the conductor sub-duct rail suspension device power to the display device via hanger, characterized in that it is supplied. A display device comprising a display device to be suspended on the fixed member of the existing, and suspension devices for suspending the display device on the fixing member, and a converter for converting the power of the power supply to a predetermined power, suspension The apparatus includes a sub duct rail attached to the lower surface of the fixing member, and a connector that passes through the sub duct rail and is attached to the fixing member and supports the lower surface of the sub duct rail. It is partitioned and the upper space is a power supply room through which the cable connected to the converter passes.The display device is suspended by a conductive wire on the sub duct rail, and the converter connects the cable to the power supply provided on the fixing member. are electrically connected via a conductive member provided in the sub-duct rail is electrically connected to the converter via a cable, the sub duct rail guide Display device, wherein a power is supplied to the display device via electrically connected to the wire to the body. The display device according to claim 2, wherein the wire is fixed to a locking tool provided in the display device, and a cap for restricting the movement of the wire is attached to the locking tool.

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