JP2010129489A - Socket assembly and lighting fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a socket assembly 13 capable of easily detaching a lamp unit 14 even when it is used in a small-sized lighting fixture 11. <P>SOLUTION: A socket body 22 is structured to be movable between a housing position to be stored at the side of a socket supporter 21 and a protruding position from the side of the socket supporter 21. Even when the socket assembly is used in the small-sized lighting fixture 11, the lamp unit 14 can be easily detached by moving the socket body 22 to the protruding position for the socket supporter 21 attached to a fixture body 12. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a socket device and a lighting fixture using the socket device.

  Conventionally, there is a lamp device using a base part of a GX53 type standardized by IEC (International Electrotechnical Commission). This lamp device has a flat shape and is provided with a GX53-shaped base portion on the upper surface side thereof, and a planar light source using a fluorescent lamp, an LED or the like is disposed on the lower surface side, and the light source is lit inside. The lighting circuit is accommodated, and is configured to be thin with a small dimension in the height direction formed by the upper surface side and the lower surface side.

A pair of lamp pins having a large-diameter portion at the tip is projected from the upper surface of the base portion with the height direction of the lamp device as an axial direction. The lamp pin of the lamp device is inserted into the socket portion of the socket device from below, and the lamp device is rotated to hook the lamp pin on the socket portion, thereby holding the lamp device in the socket device and receiving the socket portion on the lamp pin. It is comprised so that gold | metal | money contacts and it supplies power to a lamp pin (for example, refer patent document 1).
JP 2007-157367 A (page 5-8, FIG. 1-2)

  However, in the case of small lighting fixtures such as downlights and ceiling lights, the space for the hand to enter between the outer peripheral surface of the flat lamp device and the inner wall surface of the fixture is narrow, and the lamp device can be rotated and detached. There is a problem that it is difficult to do. Moreover, if the space between the outer peripheral surface of the flat lamp device and the inner wall surface of the fixture is made too large in consideration of the detachability of the lamp, the lighting fixture will be enlarged.

  The present invention has been made in view of the above points, and provides a socket device capable of easily attaching and detaching a lamp device even when used in a small lighting fixture, and a lighting fixture using the socket device. For the purpose.

  The socket device according to claim 1 is configured so that a socket support and a cap portion provided on one side of a flat lamp device can be attached and detached, and the storage position stored on the socket support side by the socket support and the socket support side. And a socket body supported so as to be movable between the protruding positions.

  The socket support is attached to the fixture body of the lighting fixture, and any configuration may be used to support the socket body as long as the socket body can be moved between the storage position and the protruding position. Absent. Moreover, you may use the latching means which latches a socket main body in a stowed position, and this latching means is a state in which the holding position protrudes by repeated pressing operations, such as a push button switch or a knocking mechanism of a writing instrument, A mechanism that sequentially switches to the storage state can be used. In other words, the lamp body is locked by pushing and moving the socket body from the protruding position to the stowed position, and once again, the lamp body is pushed slightly by pushing the socket body to move from the stowed position to the protruding position. What is necessary is just to be able to advance and retreat so as to allow it. An urging means such as a spring may be used in the direction in which the socket body projects.

  The socket body can be mounted with, for example, a GX53-type base part of the lamp device, and can hold the base part and supply power to the base part.

  The socket device according to claim 2 is the socket device according to claim 1, wherein the socket body to which the lamp device is mounted is allowed to move between the protruding position and the storage position, and the lamp device is mounted. It is provided with locking means for restricting the movement of the socket body that is not present from the protruding position to the storage position.

  Any structure may be used for the locking means as long as it can restrict the movement of the socket body, to which the lamp device is not mounted, from the protruding position to the storage position.

  According to a third aspect of the present invention, there is provided the socket device according to the first or second aspect, further comprising a lamp device holding means for restricting the lamp device from being detached from the socket body moved to the storage position.

  The lamp device holding means may have any structure as long as the lamp device can be prevented from being detached from the socket body moved to the storage position.

  The lighting fixture according to claim 4 is a fixture main body; and the socket device according to any one of claims 1 to 3, wherein a socket support is attached to the fixture main body; and is flat and attached to the socket device on one side thereof. A lamp device in which the base part is provided, and the base part is brought into contact with the instrument main body so that heat can be conducted by moving the socket device to which the base part is attached from the projecting position to the storage position.

  The instrument body is made of, for example, metal, and may be integrated with or separate from the reflector.

  The lamp device is provided with, for example, a GX53-type cap portion on one flat surface side. On the other surface side of the lamp device, a flat and thin light source such as an LED, an organic EL, or a flat discharge lamp may be disposed, and a globe covering the light source may be disposed. In addition, when the socket device to which the base part is attached moves from the protruding position to the storage position, the base part comes into contact with the instrument main body so that heat conduction is possible. The base part may be in contact with a metal heat radiating plate and may conduct heat to the instrument body via the heat radiating plate.

  According to the socket device of claim 1, when the socket main body is movable between a storage position stored on the socket support side and a protruding position protruding from the socket support side, it is used for a small lighting apparatus. Even so, the lamp device can be easily attached and detached by moving the socket body to the protruding position with respect to the socket support attached to the appliance side.

  According to the socket device of the second aspect, in addition to the effect of the socket device of the first aspect, the lock means restricts the movement of the socket body, on which the lamp device is not mounted, from the protruding position to the storage position. Therefore, when the lamp device is mounted, it is possible to prevent the socket device pushed by the lamp device from moving from the protruding position to the storage position and becoming difficult to mount the lamp device.

  According to the socket device according to claim 3, in addition to the effect of the socket device according to claim 1 or 2, in order to restrict the lamp device from being detached from the socket body moved to the storage position by the lamp device holding means, In addition to preventing the mounted lamp device from being detached, when the lamp device is removed, the socket device can always be held in the protruding position, so that the lamp device can be easily mounted.

  According to the luminaire of claim 4, even if it is a small luminaire, it is easy to hold the lamp device by hand by moving the socket body to the protruding position with respect to the socket support attached to the fixture body. Furthermore, when the socket device to which the lamp device is mounted moves from the protruding position to the storage position, the base of the lamp device comes into contact with the fixture main body so that heat can be conducted, and the heat of the lamp device is transferred to the fixture main body side. Heat conduction can improve the heat dissipation of the lamp device.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  1 is a cross-sectional view in which the socket main body of the socket device of the fixture main body is disposed in the protruding position, FIG. 2 is a cross-sectional view in which the socket main body of the socket device of the lighting fixture is disposed in the storage position, and FIG. FIG. 4 is a perspective view showing a state in which the lamp device of the lighting fixture is attached to the socket body arranged at the protruding position of the socket device, FIG. 5 is a perspective view showing a state in which the socket body of the socket device is moved to the storage position.

  The lighting fixture 11 is, for example, a downlight, and includes a fixture main body 12, a socket device 13 attached to the fixture main body 12, and a lamp device 14 that can be attached to and detached from the socket device 13. Hereinafter, the directional relationship such as the vertical direction will be described with the base side as the upper side and the light source side as the lower side, based on the state in which the lamp device 14 is mounted horizontally.

  The instrument main body 12 is made of metal and is integrally formed with a reflector, and includes a circular flat plate portion 17 and a reflective plate portion 18 that is bent downward from a peripheral portion of the flat plate portion 17. The diameter of the reflecting plate portion 18 is increased toward the opening 19 side of the lower surface.

  The socket device 13 includes a socket support 21 attached to the flat plate portion 17 of the instrument body 12, and a socket body 22 supported so as to be movable in the vertical direction with respect to the socket support 21.

  The socket support 21 is made of, for example, metal, and is opened downward. A socket body 22 is fitted inside the socket support 21 so as to be movable in the vertical direction. That is, the socket support 21 supports the socket body 22 so as to be movable between a storage position where the socket body 22 is stored in the socket support 21 and a protruding position protruding downward from the socket support 21.

  Between the socket support 21 and the socket body 22, a spring 23 is disposed as a biasing means for biasing the socket body 22 toward the protruding position. The socket support 21 protrudes at the protruding position of the socket body 22. A stopper (not shown) that restricts the movement is provided.

  Between the socket support 21 and the socket body 22, there is provided a locking means (not shown) that locks the socket body 22 in the storage position. This locking means, such as a push button switch, locks the socket main body 22 to the storage position by pushing the socket main body 22 from the protruding position to the storage position by the lamp device 14 and moves it again. The lamp body 14 is configured to allow the socket body 22 to be unlocked by slightly pushing up the socket body 22 and to allow the socket body 22 to be lowered from the storage position to the protruding position. Such a locking means can be realized by a spring for biasing the socket support 21 in the socket support 21 and a cam mechanism for regulating the rotation angle, but other well-known mechanisms may be used. .

  The socket body 22 is made of an insulating synthetic resin and is formed in a cylindrical shape, and a fitting hole 24 is formed through the center in the vertical direction. A pair of socket portions 25 are formed on the lower surface of the socket body 22. These socket portions 25 are formed with connection holes 26, and a receiver (not shown) for supplying power to the inside of the connection holes 26 is disposed. The connection hole 26 is an arcuate groove portion that is rotationally symmetric with respect to the center of the socket body 22, and a diameter-expanded portion 27 is formed at one end of the arcuate groove portion.

  A plurality of cylindrical ribs 29 project from the socket support 21 in the up-down direction in the axial direction, and grooves 30 having a semicircular cross section that engage with the ribs 29 at a plurality of locations on the outer periphery of the socket body 22. Are formed along the vertical direction, and the locking members 31 are disposed in these groove portions 30 so as to be able to advance and retract. The lock member 31 is moved forward and backward in the groove portion 30 in conjunction with the turning operation of the lamp device 14 when the lamp device 14 is attached to and detached from the socket body 22 held at the protruding position. It can comprise by the cam mechanism which contact | abuts. The lock member 31 enters the groove 30 when the lamp device 14 is not attached to the socket main body 22 located at the protruding position, and the lock member 31 moves into the rib 29 when the socket main body 22 attempts to move from the protruding position to the storage position. When the lamp device 14 is connected to the socket body 22 located at the protruding position, the socket body 22 is retracted from the groove 30 and the socket body 22 is moved from the protruding position to the storage position. Allow. Therefore, the rib 29, the groove portion 30, the lock member 31, and the like allow the socket body 22 to which the lamp device 14 is mounted to move between the protruding position and the storage position, and the lamp device 14 is mounted. Lock means 32 is configured to restrict the movement of the socket body 22 that is not present from the protruding position to the storage position.

  When the socket body 22 is moved to the storage position, the rib 29 is located in a region where the lock member 31 in the groove portion 30 enters, and the lock member 31 cannot enter the groove portion 30, and the lamp device interlocked with the lock member 31. 14 is in a state where it cannot be rotated in the direction to remove it from the socket body 22. Therefore, the rib device 29 is configured by the rib 29, the groove portion 30, the lock member 31, and the like to constitute a lamp device holding means 33 that restricts the lamp device 14 from being detached from the socket body 22 moved to the storage position.

  The socket support 21 is provided with a heat conducting member 35 for connecting the lamp device 14 so that the lamp device 14 can conduct heat when the socket body 22 to which the lamp device 14 is mounted moves to the storage position.

  The lamp device 14 includes a flat lamp device main body 41, a plurality of LEDs 42 as light sources arranged on the lower surface side of the lamp device main body 41, a globe 43 covering the LEDs 42, and a lighting circuit 44 for lighting the LEDs 42. However, it is formed in a thin shape with a small dimension in the height direction.

  The lamp device main body 41 is formed of, for example, an insulating synthetic resin, and has a GX53-shaped base portion 45 formed on the upper surface side that is one surface side, and a planar surface that attaches the LED 42 to the lower surface side that is the other surface side. A light source mounting surface 46 is formed, and a housing portion 47 for housing the lighting circuit 44 is formed therein.

  The base portion 45 is formed with an annular contact surface 48 that contacts the lower surface of the socket body 22 of the socket device 13, and can be fitted into the fitting hole 24 of the socket device 13 from the center of the contact surface 48. A cylindrical protrusion 49 protrudes.

  On the contact surface 48, a pair of conductive metal lamp pins 50 protrudes. A large-diameter portion 51 is formed at the tip of these lamp pins 50. Then, the large diameter portion 51 of each lamp pin 50 is inserted from the enlarged diameter portion 27 of each connection hole 26 of the socket body 22, and the lamp pin 50 moves to the connection hole 26 by the rotation of the lamp device 14, whereby the lamp pin 50 is The large diameter portion 51 is hooked on the edge of the connection hole 26 while being electrically contacted with the metal receiver, and the lamp device 14 is held in the socket body 22.

  The plurality of LEDs 42 are mounted on the LED module substrate 52, and the LED module substrate 52 is attached to the light source attachment surface 46 of the lamp device main body 41 in close contact. The LED module substrate 52 is mounted so that a wiring pattern is formed on a metal substrate via an insulating layer, the LED 42 is connected on the wiring pattern, and is in close contact with the light source mounting surface 46 of the lamp device main body 41 by screws or the like. It has been.

  The globe 43 is made of transparent glass or light diffusing glass or synthetic resin having translucency.

  Although not shown, the lighting circuit 44 has a circuit board and a lighting circuit component mounted on the circuit board. The lamp pin 50 is electrically connected to the input part of the circuit board by a lead wire or the like, and the output of the circuit board The LED module substrate 52 is electrically connected to the part by a lead wire or the like.

  As shown in FIGS. 1 and 3, the socket main body 22 of the socket device 13 not attached with the lamp device 14 is in a protruding position protruding downward with respect to the socket support 21, and The lower surface is close to the opening 19 side, and is held at the protruding position by the spring 23.

  The position of the lock member 31 of the socket body 22 is located below the rib 29, the lock member 31 penetrates into the groove portion 30, and the upper surface of the lock member 31 faces the tip surface of the rib 29.

  In order to attach the lamp device 14 to the socket device 13, the lamp device 14 is raised so that each lamp pin 50 of the lamp device 14 is inserted in accordance with the enlarged diameter portion 27 of each connection hole 26 of the socket body 22. At this time, even if the lamp pin 50 of the lamp device 14 is not aligned with the enlarged diameter portion 27 of each connection hole 26 of the socket body 22 and the socket body 22 is pushed up by the lamp pin 50, the lock member 31 is placed on the tip surface of the rib 29. It is possible to prevent the lamp body 14 from becoming difficult to attach due to the contact and the socket body 22 moving to the upper storage position.

  After each lamp pin 50 of the lamp device 14 is inserted into the enlarged diameter portion 27 of each connection hole 26 of the socket body 22, as shown in FIG. 4, the lamp device 14 is rotated in the mounting direction, and the lamp device 14 is turned into the socket body. Attach to 22.

  Thus, when the lamp device 14 is mounted on the socket main body 22, the socket main body 22 is in the protruding position and is close to the opening 19 side of the lower surface of the instrument main body 12. There is a space for a finger to enter between the peripheral portion of the lamp device 14 to be attached to the reflector plate 18 of the instrument body 12, and the lamp device 14 can be held by hand and easily attached to the socket body 22.

  As the lamp device 14 rotates in the mounting direction, the lock member 31 is retracted from the groove 30 in conjunction with the rotation, and the socket body 22 can be allowed to move to the storage position.

  After the lamp device 14 is mounted on the socket body 13, as shown in FIGS. 2 and 5, the lamp device 14 is pushed up to push the socket body 22 to the storage position, and the lamp device 14 is moved to a predetermined position in the instrument body 12. It can be held in the mounting position. The socket body 22 moved to the storage position is locked by the locking means.

  When the socket main body 22 to which the lamp device 14 is mounted moves to the storage position, the base portion 45 of the lamp device 14 comes into close contact with the heat conducting member 35, and in this state, the lighting fixture 11 is used.

  When the LED 42 of the lamp device 14 is turned on, heat is generated. However, since the base portion 45 of the lamp device 14 is in close contact with the heat conducting member 35, the heat generated from the lamp device 14 is transmitted through the heat conducting member 35. Therefore, it is possible to efficiently conduct heat and improve the heat dissipation of the lamp device 14.

  In a state where the socket body 22 is in the storage position, the rib 29 is located in a region where the lock member 31 in the groove portion 30 enters, and the lock member 31 cannot enter the groove portion 30, and the lamp device 14 interlocked with the lock member 31. Cannot be rotated in the direction of removing from the socket body 22.

  On the other hand, when the lamp device 14 is removed, the socket body 22 protrudes together with the lamp device 14 by urging by the spring 23 by slightly pushing up the lamp device 14 located at the storage position and releasing the lock by the locking means. Lower to position.

  When the socket body 22 is lowered to the protruding position, the lamp device 14 is rotated in the direction of removal and then lowered to remove the lamp pin 50 of the lamp device 14 from the connection hole 26 of the socket body 22, and the lamp device 14 is removed from the socket body. Can be removed from 22.

  When the socket body 22 is lowered to the protruding position, the position of the lock member 31 of the socket body 22 moves below the rib 29, so that the lock member 31 is moved into the groove 30 in conjunction with the rotation of the lamp device 14 in the removal direction. And the socket body 22 is restricted from moving to the storage position.

  As described above, according to the socket device 13, the socket main body 22 is movable between the storage position stored on the socket support 21 side and the protruding position protruding from the socket support 21 side. Even when used in a fixture, the socket main body 22 is moved to the protruding position with respect to the socket support 21 attached to the fixture main body 12 so that the side surface of the lamp device 14 can be gripped and easily attached and detached.

  Further, since the lamp device holding means 33 regulates the removal of the lamp device 14 from the socket body 22 moved to the storage position, it is possible to prevent the lamp device 14 attached to the socket device 13 from being detached and to prevent the lamp device 14 from being detached. When the socket device is removed, the socket device 13 can always be held in the protruding position, and the lamp device 14 can be easily attached.

It is sectional drawing by which the socket main body of the socket apparatus of the instrument main body which shows one embodiment of this invention is arrange | positioned in a protrusion position. It is sectional drawing by which the socket main body of the socket apparatus of a lighting fixture same as the above is arrange | positioned in a storage position. It is a perspective view which shows the state which attaches and detaches the lamp apparatus of a lighting fixture same as the above to the socket main body arrange | positioned in the protrusion position of a socket apparatus. It is a perspective view which shows the state with which the lamp apparatus of the lighting fixture same as the above was mounted | worn with the socket main body arrange | positioned in the protrusion position of a socket apparatus. It is a perspective view which shows the state which moved the socket main body of the socket apparatus same as the above to the accommodation position.

Explanation of symbols

11 Lighting equipment
12 Instrument body
13 Socket device
14 Lamp device
21 Socket support
22 Socket body
32 Locking means
33 Lamp device holding means
45 Base part

Claims (4)

A socket support;
The base provided on one side of the flat lamp device is detachable and supported by the socket support so as to be movable between a storage position stored on the socket support side and a protruding position protruding from the socket support side. With the socket body;
A socket device comprising: Locking means for allowing the socket body with the lamp device mounted thereon to move between the protruding position and the storage position and for restricting the movement of the socket body without the lamp device from the protruding position to the storage position. The socket device according to claim 1, comprising: The socket device according to claim 1, further comprising a lamp device holding unit that restricts the lamp device from being detached from the socket body moved to the storage position. An instrument body;
The socket device according to any one of claims 1 to 3, wherein a socket support is attached to the instrument body;
A base part that is flat and has a base part that is attached to the socket device is provided on one surface side thereof, and the base part attached to the base part moves from the protruding position to the storage position so that the base part comes into contact with the instrument main body so as to be able to conduct heat. A lamp device;
The lighting fixture characterized by comprising.

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