JP2015185389A - Lamp device and lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lamp device capable of achieving an improvement in assemblability.SOLUTION: A housing 11 has a cylindrical insulation part 20 having a hollow part 22 provided in the inside thereof and opening on one end side and the other end side. A substrate insertion part 30 is provided inside the insulation part 20 from the one end side to the other end side. An engaging part 40 is provided on the other end side of the substrate insertion part 30. A radiator plate 12 is arranged on the one end side of the housing 11. A light emitting module 13 has a light emitting element 60, and is arranged on the one end side surface of the radiator plate 12. A power supply part 16 is provided on the other end side of the housing 11. A lighting circuit 14 has a circuit board 71 on which an electronic component 70 is mounted and which is inserted into the hollow part 22 from the one end side of the housing 11 along the substrate insertion part 30. An engaged part 74 to be engaged with the engaging part 40 when the circuit board 71 is inserted into a predetermined position in the hollow part 22 of the housing 11, is provided on the other end side of the circuit board 71.

Description

  Embodiments described herein relate generally to a lamp device using a light emitting element and a lighting fixture using the lamp device.

  2. Description of the Related Art Conventionally, a lamp device using a light emitting element includes a cylindrical casing having a hollow portion that opens to one end side and the other end side, and a circuit board of a lighting circuit is hollow from one end side of the casing. The heat sink is disposed in one end of the housing. A light emitting module having a light emitting element is attached to a surface on one end side of the heat radiating plate.

  A board insertion portion for inserting edges on both sides in the width direction of the circuit board is provided inside the housing, and the latch is provided for locking to a surface on one end side of the circuit board inserted at a predetermined insertion position. Claws are protruding. The locking claw protrudes from a region just before the circuit board is inserted into the board insertion portion. And the insulation distance between the surface of the one end side of a circuit board and a heat sink is hold | maintained by latching the surface of the one end side of a circuit board with a latching claw.

JP 2012-94467 A

  However, when the circuit board is inserted into the cavity of the housing, the latching claw protrudes in the area just before the circuit board is inserted into the board insertion part. Is difficult to insert into the board insertion portion.

  The problem to be solved by the present invention is to provide a lamp device and a luminaire that can improve assemblability.

  The lamp device of the embodiment includes a housing, a heat sink, a light emitting module, a power feeding unit, and a lighting circuit. The housing has a cylindrical insulating portion provided therein with a hollow portion that opens to one end side and the other end side. A substrate insertion portion is provided inside the insulating portion from one end side to the other end side, and a locking portion is provided on the other end side of the substrate insertion portion. The heat radiating plate is disposed on one end side of the housing. The light emitting module has a light emitting element and is disposed on a surface on one end side of the heat sink. The power feeding unit is provided on the other end side of the housing. The lighting circuit has a circuit board on which electronic components are mounted and inserted into the cavity along the board insertion part from one end side of the housing. A locked portion that is locked by the locking portion is provided on the other end side of the circuit board by inserting the circuit board into a predetermined position in the cavity of the housing.

  According to the present invention, it can be expected that the circuit board can be easily inserted into the board insertion portion of the housing without hindrance and can be locked at a predetermined position, thereby improving the assemblability.

It is a perspective view of the decomposition | disassembly state of the lamp device which shows one Embodiment of a lamp device. It is a perspective view of a lamp device same as the above. It is a perspective view which shows the state which released | separated the heat sink and light emitting module of the lamp device same as the above from the housing | casing. It is a perspective view of the assembly state which shows the state which has arrange | positioned the heat sink and light emitting module of a lamp device same as the above to a housing | casing. It is sectional drawing which shows the state which separated the 1st globe part of the lamp device same as the above from the housing | casing. It is sectional drawing which shows the state which attached the 1st globe part of the lamp device same as the above to the housing | casing. It is sectional drawing of a lamp device same as the above. It is sectional drawing which shows the state which inserts the circuit board of a lamp device same as the above into a housing | casing. It is sectional drawing of the lighting fixture using a lamp apparatus same as the above.

  Hereinafter, an embodiment will be described with reference to FIGS. 1 to 9.

  1 and 2 show a lamp device 10. The lamp device 10 is a light bulb shaped lamp that can be used by being mounted on a socket for an incandescent light bulb for general illumination.

  The lamp device 10 includes a housing 11, a heat radiating plate 12 disposed on one end of the housing 11, a light emitting module 13 disposed on a surface on one end of the heat radiating plate 12, and a lighting circuit disposed in the housing 11. 14, a globe 15 attached to one end side of the casing 11, and a power feeding unit 16 attached to the other end side of the casing 11. The lamp device 10 has an imaginary central axis extending from the globe 15 to the power feeding unit 16, and the globe 15 side of the central axis is referred to as one end side, and the power feeding unit 16 side is referred to as the other end side.

  As shown in FIGS. 1 to 8, the casing 11 is formed by insert-molding a metal plate 21 into an insulating portion (resin portion) 20. Inside the housing 11, there are formed hollow portions 22 that open to one end side (the globe 15 side) and the other end side (the power feeding unit 16 side), respectively. The outer portion of the housing 11 is formed in a cylindrical shape having a large diameter on one end side, a small diameter on the other end side, and a diameter decreasing from the one end side toward the other end side.

  The insulating part 20 is formed of an insulating resin material. The insulating portion 20 includes an outer portion 23 that covers the outer peripheral portion of the metal plate 21 and that forms the outline of the housing 11, and an inner portion 24 that is formed inside the metal plate 21. The other end sides of the outer side portion 23 and the inner side portion 24 are integrally continuous, and an attachment portion 25 for attaching the power feeding portion 16 protruding to the other end side of the housing 11 is formed.

  The metal plate 21 is made of a metal material such as aluminum and is formed into a cylindrical shape by press molding.

  The inner portion 24 of the insulating portion 20 is formed in a deformed cylindrical shape in which a part is joined to the inner peripheral surface of the metal plate 21 and a part is separated from the inner peripheral surface of the metal plate 21. A cavity 22 for inserting and arranging the lighting circuit 14 is formed inside.

  On the one end side of the housing 11, the outer part 23 has a protruding height toward the one end side that is the same as or higher than that of the metal plate 21, but the inner part 24 is lower than the metal plate 21, and one end side of the metal plate 21 is exposed. Yes. On one end side of the metal plate 21, a mounting surface 26 as a mounting portion for mounting the surface on the other end side of the heat radiating plate 12, and an inclination that expands obliquely from the mounting surface 26 toward one end direction A surface 27 is formed.

  A pair of bosses 28 project from one end side of the inner portion 24 at a symmetrical position with respect to the central axis of the housing 11. That is, the boss 28 has a pair so as to face the cavity 22. The boss 28 protrudes in one end direction from the mounting surface 26, but the protruding dimension from the mounting surface 26 is set to be slightly smaller than the thickness dimension of the heat sink 12.

  A circuit board 71 (described later) of the lighting circuit 14 is inserted from one end side into the inner portion 24 at positions on both sides intersecting with the pair of bosses 28 and offset from the central axis of the housing 11 toward the one boss 28 side. A pair of substrate insertion portions 30 are formed so as to face each other. Each board insertion portion 30 includes an insertion groove 31 into which an edge in the width direction of the circuit board 71 is inserted, and a pair of holding walls 32 that sandwich and hold both surfaces in the thickness direction of the circuit board 71 inserted into the insertion groove 31. have. The pair of board insertion portions 30 are formed in parallel along the central axis direction of the housing 11 from one end side of the inner portion 24 to the other end side of the attachment portion 25.

A wide opposing portion 33a having a wide opposing width between the pair of substrate insertion portions 30 is formed on one end side of the pair of substrate insertion portions 30, and between the pair of substrate insertion portions 30 on one end side of the pair of substrate insertion portions 30. A narrow opposing portion 33b having a wide opposing width is formed, and a stepped stopper portion 33c is formed between the wide opposing portion 33a and the narrow opposing portion 33b.

  The inner portion 24 has a pair of symmetric positions with respect to the central axis of the housing 11 on both sides intersecting with the pair of bosses 28 and a position facing the circuit board 71 inserted into the board insertion section 30. The guide part 34 is provided. The guide part 34 has a guide groove 35 whose side surface facing the circuit board 71 is open, and has a substantially U-shaped cross section. The region where the guide groove 35 is formed is the tip side (one end side) from the middle of the guide portion 34.

  The distal end portion 36 of the guide portion 34 protrudes in the one end direction from the one end side of the outer portion 23. That is, the distal end portion 36 of the guide portion 34 protrudes to one end side from the one end side surface of the heat radiating plate 12 disposed on one end side of the housing 11 and the one end side surface of the substrate 61 described later of the light emitting module 13. Has been. A holding groove 37 that communicates toward the central axis side of the housing 11 is formed at the distal end portion 36 of the guide portion 34.

  The guide portion 34 is continuously formed with a support portion 38 constituted by a part of the inner portion 24 on the side surface opposite to the circuit board 71 and the side surface facing the inner peripheral surface of the metal plate 21. Has been.

  On the other end side of the insulating portion 20 and on the other end side of the one substrate insertion portion 30, a locking portion 40 for locking the circuit board 71 inserted at a predetermined position in the cavity portion 22 is provided. ing. The locking portion 40 is disposed so as to protrude from the groove portion 41 formed on the other end side of the mounting portion 25 at a position continuous to the other end side of the guide groove 35. The locking portion 40 includes a locking piece 42 that protrudes into the groove 41 and a claw 43 that protrudes from the tip of the locking piece 42 in the central axis direction of the cavity portion 22. The locking portion 40 is not limited to such a configuration, and may be a protruding portion such as a dowel as long as the circuit board 71 can be locked.

  Further, the heat radiating plate 12 is formed in a disc shape from a metal material such as aluminum. The heat radiating plate 12 is provided with the light emitting module 13 on the surface on one end side, and the periphery of the surface on the other end side is mounted on the mounting surface 26 of the housing 11. On the outer peripheral surface of the heat radiating plate 12, an inclined surface 50 that can be contacted along the inclined surface 27 of the housing 11 is formed.

  The heat radiating plate 12 is formed with a pair of groove portions 51 into which the bosses 28 are inserted and arranged at symmetrical positions with respect to the central axis of the heat radiating plate 12. The groove 51 is opened on the outer diameter side of the heat sink 12. Further, the heat radiating plate 12 is formed with a pair of insertion holes 52 through which the guide portions 34 are respectively inserted in symmetrical positions with respect to the central axis of the heat radiating plate 12 on both sides intersecting with the pair of groove portions 51. . Furthermore, the heat sink 12 is formed with a plurality of screw holes (not shown) for screwing the light emitting module 13.

  The light emitting module 13 includes a plurality of light emitting elements 60 and a substrate 61 on which the light emitting elements 60 are mounted.

  As the light emitting element 60, for example, an LED of an SMD (Surface Mount Device) package is used. As the light emitting element 60, a COB (Chip On Board) module may be used, or another light emitting element other than an LED, such as an organic EL, may be used.

  The substrate 61 has a flat plate shape, and a wiring pattern 62 on which a plurality of light emitting elements 60 are mounted is formed on one end side surface. The substrate 61 is made of an insulating material or a metal material. When the substrate 61 is a metal material, an insulating film is formed on the surface of the substrate 61, and a wiring pattern 62 is formed on the insulating film.

  In the substrate 61, a pair of groove portions 63 are formed at positions symmetrical to the center axis of the substrate 61 so as to face the pair of groove portions 51 of the heat radiating plate 12. In the substrate 61, a pair of groove portions 64 are formed at symmetrical positions intersecting with the pair of groove portions 63 so as to correspond to the pair of insertion holes 52 of the heat radiating plate 12. The outer diameter side of the grooves 63 and 64 of the substrate 61 is dimensioned in the outer diameter direction of the substrate 61 so that a part of the surface on one end side of the heat sink 12 is exposed with the substrate 61 disposed on the heat sink 12. Is shorter than the heat sink 12.

  A pair of lands 65 of a wiring pattern 62 for electrically connecting the lighting circuit 14 is formed on the surface on one end side of the substrate 61 at a position close to the central axis side of the substrate 61 from the position of the pair of groove portions 64. Has been.

  The substrate 61 is fastened and fixed to the heat sink 12 by a plurality of screws 66 and is thermally coupled to the heat sink 12.

  Further, the lighting circuit 14 converts AC power input from the power supply unit 16 into predetermined DC power and supplies the converted DC power to the light emitting element 60 of the light emitting module 13.

  The lighting circuit 14 includes a plurality of electronic components 70 constituting the lighting circuit 14 and a circuit board 71 on which the electronic components 70 are mounted. One surface of the circuit board 71 is a wiring pattern surface 72 on which a wiring pattern is formed. The electronic component 70 includes a lead component and a chip component. The lead component is disposed on the surface opposite to the wiring pattern surface 72, and the lead is inserted through the circuit board 71 and soldered to the wiring pattern on the wiring pattern surface 72. The chip component is surface-mounted on the wiring pattern surface 72.

  The circuit board 71 is inserted between the pair of board insertion portions 30 of the housing 11 from one end side of the housing 11. The circuit board 71 is provided so that the surface on which the electronic component 70 is mounted is orthogonal to the imaginary line connecting the pair of bosses 28, and is arranged in the casing 11 in parallel with the central axis of the casing 11. In addition, the housing 11 is arranged from the vicinity of one end side to the other end side. The circuit board 71 has a wide width portion 73a formed on one end side and a narrow width portion 73b on the other end side corresponding to the facing width between the pair of board insertion portions 30, that is, the wide facing portion 33a and the narrow facing portion 33b. Is formed. A contact portion 73c is formed between the wide portion 73a and the narrow portion 73b so as to contact the stopper portion 33c and position the insertion position of the circuit board 71 into the housing 11.

  On the side portion on the other end side of the circuit board 71, a locked portion 74 that is locked by the locking portion 40 when the circuit board 71 is inserted into a predetermined position in the housing 11 is provided. . The locked portion 74 is configured by a groove 75 in which the claw 43 of the locking portion 40 is hooked. In the present embodiment, the grooves 75 are formed on both sides of the circuit board 71 in the width direction, but may be formed on one side corresponding to the position of the locking portion 40. Further, the locked portion 74 is not limited to the groove 75, and may be the other surface on the other end side of the circuit board 71, or may be a protruding portion.

  A pair of connection lines 76 are led out from the surface of the circuit board 71 opposite to the wiring pattern surface 72. The connecting wire 76 is a covered electric wire in which a conductive wire is covered with an insulator. The connection line 76 is inserted through the circuit board 71 and connected to the wiring pattern on the wiring pattern surface 72. The distal end side of the connection line 76 is electrically connected to the land 65 of the substrate 61 of the light emitting module 13. The position of the pair of connection lines 76 led out from the circuit board 71 is opposed to the pair of guide parts 34 by inserting the circuit board 71 between the pair of board insertion parts 30 of the housing 11, and the pair of guide parts The position is such that it can automatically enter the 34 guide grooves 35.

  A pair of AC power input portions of the lighting circuit 14 is electrically connected to the power feeding portion 16, and a connection line 76 is electrically connected to the pair of DC power output portions.

  Further, the globe 15 has light transmittance and light diffusibility, and is formed in white by mixing a diffusing material in a synthetic resin such as polycarbonate. The globe 15 has a first globe portion 80 attached to one end side of the housing 11 and a second globe portion 81 attached to the first globe portion 80.

  The globe 15 is formed in a shape that approximates a sphere, and the first globe portion 80 and the second globe portion 81 are divided at the one end side and the other end side of the globe 15 where the diameter of the globe 15 is the largest. Has been.

  The first glove part 80 is formed in a cylindrical shape opened to one end side and the other end side, and the other end side is attached to one end side of the housing 11 so as to be continuous with the shape of the outer portion of the housing 11. It is configured.

  On the other end side of the first globe portion 80, an attachment portion 82 attached to one end side of the housing 11 is formed in an annular shape. The attachment portion 82 is formed with a contact surface 83 that contacts one end surface of the housing 11 and a protrusion 84 that protrudes from the contact surface 83 and fits inside the housing 11.

  The attachment portion 82 of the first globe portion 80 is provided with a pair of fixing portions 86 that are fastened and fixed to the housing 11 with screws 85 at symmetrical positions with respect to the central axis of the first globe portion 80. . The fixing portion 86 is formed so as to protrude from the attachment portion 82 in the inner diameter direction, and an attachment hole 87 through which the screw 85 is inserted is formed. On the other end surface of the fixing portion 86, a protrusion 88 is provided so as to fit in the groove 51 of the heat sink 12 and to position the first globe portion 80, the casing 11 and the heat sink 12 in the circumferential direction. Has been. The fixing portion 86 is positioned and arranged on one end side of the boss 28, and the screw 85 is screwed to the boss 28 through the mounting hole 87, whereby the fixing portion 86 is fastened and fixed to the housing 11 with the screw 85. Further, a part of both sides of the fixing portion 86 beyond the mounting hole 87 is brought into contact with a surface on one end side of the heat radiating plate 12 at a position of the heat radiating plate 12 where the substrate 61 of the light emitting module 13 is not disposed.

  The mounting part 82 of the first glove part 80 is fastened by the fixing part 86 with a screw 85 at a position symmetrical to the central axis of the first glove part 80 on both sides orthogonal to the pair of fixing parts 86. A pair of pressing portions 89 for pressing the heat radiating plate 12 against the metal plate 21 is provided. The pressing portion 89 is in contact with the surface on the one end side of the heat radiating plate 12 at a position of the heat radiating plate 12 where the substrate 61 of the light emitting module 13 is not disposed. The pressing unit 89 presses the heat radiating plate 12 toward the casing 11 by fixing the fixing section 86 to the casing 11 by screws 85.

  A part of the fixing part 86 that contacts the surface on one end side of the heat radiating plate 12 is also configured as a part of the pressing part 89.

  The second globe portion 81 is formed in a dome shape having an opening at the other end and protruding toward the one end. The other end side of the second globe part 81 is fixed to one end side of the first globe part 80 by, for example, vibration welding.

  In addition, the power supply unit 16 uses a base 91 that can be connected to a socket for a general lighting bulb such as E17 or E26. The power feeding unit 16 is not limited to the base 91, and may be a pair of pins depending on the lamp type.

  Next, FIG. 9 shows a lighting apparatus 100 that uses the lamp device 10. The luminaire 100 is, for example, a downlight. The lighting fixture 100 has a fixture main body 101 in which a socket 102 and a reflector 103 are disposed. The socket 102 is electrically connected to the base 91 of the lamp device 10 and supplies AC power to the lamp device 10.

  Next, assembly of the lamp device 10 will be described.

  The lighting circuit 14 is inserted into the cavity 22 from one end side of the housing 11. That is, the other end side of the circuit board 71 is inserted into the cavity 22 from one end side of the housing 11, and first, the narrow part 73b of the circuit board 71 is inserted into the narrow opposing part 33b of the pair of board insertion parts 30. Subsequently, the wide part 73a of the circuit board 71 is inserted into the wide opposing part 33a of the pair of board insertion parts 30. When the circuit board 71 is inserted to a predetermined position, the contact portion 73c of the circuit board 71 contacts the stopper portion 33c to restrict the insertion, and the claw of the locking portion 40 is inserted into the groove 75 on the other end side of the circuit board 71. 43 is caught and the circuit board 71 is prevented from returning to the opposite side with respect to the insertion direction, and the circuit board 71 is locked to the housing 11.

  As shown in FIG. 3, in the process of inserting the circuit board 71 into the housing 11, the pair of connection wires 76 led out from the circuit board 71 are automatically fitted into the guide grooves 35 of the guide portion 34, The front end side of 76 is bent along the guide portion 34 so as to face the front end side of the housing 11. In a state where the circuit board 71 is completely inserted into the housing 11, the distal end portion 36 of the connection line 76 protrudes from the distal end portion 36 of the guide portion 34. Since the connection line 76 is disposed along the guide groove 35 of the guide part 34, the connection line 76 protrudes from the front end part 36 of the connection line 76 toward the one end side substantially vertically.

  Subsequently, as shown in FIG. 4, the heat radiating plate 12 to which the light emitting module 13 is attached in advance is disposed on one end side of the housing 11. At this time, the positions of the groove 51 and the insertion hole 52 of the heat radiating plate 12 are positioned at the positions of the boss 28 and the guide portion 34, respectively, and the heat radiating plate 12 is moved closer to one end of the housing 11 To place. Thus, the boss 28 is inserted into the groove 51 of the heat radiating plate 12, and the guide portion 34 and the connection line 76 protruding from the tip portion 36 of the guide portion 34 are inserted into the insertion hole 52 of the heat radiating plate 12.

  By disposing the heat sink 12 on one end side of the casing 11, the surface on the other end side of the heat sink 12 is mounted on the mounting surface 26 of the metal plate 21, and the inclined surface 50 of the heat sink 12 is made of metal. Abutting along the inclined surface 27 of the plate 21. The circumferential position of the heat sink 12 is positioned with respect to the housing 11 by fitting the groove 51 of the heat sink 12 with the boss 28 and the insertion hole 52 of the heat sink 12 and the guide 34. .

  Subsequently, as shown in FIGS. 5 and 6, the first glove part 80 is attached to one end side of the housing 11. The protruding portion 84 of the first globe portion 80 is fitted inside the one end side of the housing 11, and the protrusion 88 is fitted to the groove portion 51 of the heat radiating plate 12. As a result, the radial and circumferential positions of the first globe part 80 are positioned with respect to the housing 11. That is, the fixing portion 86 is positioned on the boss 28, and the pressing portion 89 is disposed on the surface on one end side of the heat radiating plate 12 where the substrate 61 of the light emitting module 13 is not disposed.

  The screw 85 is inserted into the mounting hole 87 of the fixing portion 86 of the first globe portion 80 and screwed to the boss 28, and the fixing portion 86 is fastened and fixed to the boss 28 with the screw 85. Thereby, the pressing portion 89 presses the heat sink 12 toward the housing 11, and is pressed and fixed so that the surface on the other end side of the heat sink 12 is in surface contact with the mounting surface 26 of the metal plate 21, The inclined surface 50 of the heat radiating plate 12 is pressed and fixed so as to come into surface contact with the inclined surface 27 of the metal plate 21. Thereby, the heat sink 12 and the metal plate 21 are thermally coupled.

  Subsequently, as shown in FIG. 6, the connecting wire 76 protruding from the tip 36 of the guide 34 is bent toward the center of the light emitting module 13, and the tip of the connecting wire 76 is soldered to the land 65. At this time, the covering body is peeled off at the tip of the connecting wire 76 to expose the conducting wire.

  The connection line 76 bent from the distal end portion 36 of the guide portion 34 is fitted into the recessed holding groove 37 of the distal end portion 36 of the guide portion 34 and is held by the distal end portion 36 of the guide portion 34.

  Subsequently, the second glove part 81 is fixed to the first glove part 80.

  On the other hand, the base 91 is attached to the attachment portion 25 on the other end side of the housing 11. At this time, the input part of the lighting circuit 14 and the base 91 are electrically connected by an electric wire.

  Note that the assembly order of the lamp device 10 is not limited to such an order. For example, the first globe 80 is attached to the housing 11 after the connection wire 76 is soldered to the land 65 of the light emitting module 13. May be.

  Further, when the lamp device 10 is mounted on the socket 102 of the lighting fixture 100 and the lamp device 10 is energized, the DC power converted by the lighting circuit 14 is supplied to the light emitting module 13 through the connection line 76, and the light emitting element 60 emits light. . The light from the light emitting element 60 passes through the globe 15 and is emitted in a predetermined light distribution direction.

  In the lamp device 10 of the present embodiment configured as described above, the fixing portion 86 of the first glove part 80 is fastened and fixed to the casing 11 with the screw 85, whereby the heat radiating plate 12 is fixed to the casing 11 with the pressing portion 89. Since the metal plate 21 is pressed, the first glove part 80 and the heat radiating plate 12 can be fixed to the housing 11 at a time, and the productivity can be improved. In addition, by pressing the heat radiating plate 12 against the metal plate 21 of the housing 11, the heat radiating plate 12 and the metal plate 21 are thermally coupled to improve heat dissipation.

  Further, since the screw 85 is screwed into the boss 28 of the insulating portion 20 disposed in the groove portion 51 of the heat sink 12, the insulating portion 20 is interposed between the screw 85 and the heat sink 12, so that the screw 85 The insulation between the heat sink 12 can be ensured.

  Further, since the heat radiating plate 12 is pressed and fixed by the pressing portion 89 of the first globe portion 80 so as to come into surface contact with the mounting surface 26 of the metal plate 21, the heat radiating plate 12 and the metal plate 21 are thermally connected. Combined, heat dissipation can be improved.

  In addition, a locking portion 40 is provided on the other end side of the board insertion portion 30 of the housing 11, that is, on the back side in the insertion direction in which the circuit board 71 is inserted into the board insertion portion 30. Since the engaged portion 74 is provided on the end side, that is, the distal end side in the insertion direction of the circuit board 71, the circuit board 71 can be easily inserted into the board insertion portion 30 of the housing 11 without any obstacles, and up to a predetermined position The inserted circuit board 71 can be locked, and assemblability can be improved.

  Further, since the circuit board 71 is provided so that the surface on which the electronic component 70 is mounted is orthogonal to the imaginary line connecting the pair of bosses 28, the circuit board 71 has a small size while ensuring the area of the circuit board 71. Can be made.

  Further, the connection led out from the circuit board 71 inserted into the board insertion part 30 of the housing 11 by the guide part 34 whose front end part 36 penetrates the heat sink 12 and protrudes from the one end side surface of the heat sink 12 The wire 76 can be led to one end side of the heat radiating plate 12, the assembly is good, and automatic assembly can be easily handled.

  Further, since the guide portion 34 has an opening facing the circuit board 71 and has a guide groove 35 for receiving the connection wire 76, the guide portion 34 is taken into the guide groove 35 and reliably guided to one end side of the heat radiating plate 12. be able to. Moreover, one end of the connection line 76 is provided perpendicular to the surface on which the electronic component 70 of the circuit board 71 is mounted, and the guide groove 35 is provided at a position where the connection line 76 extending substantially perpendicularly from the circuit board 71 collides. Therefore, by inserting the circuit board 71 into the housing 11, the connection line 76 can be easily taken into the guide groove 35 and can be reliably guided to one end side of the heat radiating plate 12.

  Further, the holding groove 37 provided in the tip portion 36 of the guide portion 34 can position and hold the connection line 76 that protrudes from the tip portion 36 of the guide portion 34 and is connected to the substrate 61, and the connection line 76 is connected to the substrate 61. The process can be facilitated, and the light from the light emitting element 60 can be prevented from being blocked by the connection line 76 moving. In addition, the bottom surface of the holding groove 37 is provided on one end side of the land 65 of the light emitting module 13, and the connection line 76 is inclined from the holding groove 37 to the other end side and connected to the land 65. The holding groove 37 can be securely held.

  Furthermore, since the side portion of the guide portion 34 is supported by the support portion 38, the strength of the guide portion 34 can be improved and deformation due to contact with the connection line 76 can be prevented.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

10 Lamp device
11 Enclosure
12 Heat sink
13 Light emitting module
14 Lighting circuit
16 Power supply unit
20 Insulation part
21 Metal plate
22 Cavity
28 Boss
30 PCB insertion part
40 Locking part
60 Light emitting device
70 Electronic components
71 circuit board
74 Locked part
85 screw
100 lighting fixtures
102 socket

Claims (4)

It has a cylindrical insulating portion provided with a hollow portion that opens to one end side and the other end side, and a substrate insertion portion is provided from the one end side to the other end side inside the insulating portion. A housing provided with a locking portion on the other end side of the substrate insertion portion;
A heat sink disposed on one end of the housing;
A light emitting module having a light emitting element and disposed on a surface on one end side of the heat radiating plate;
A power feeding unit provided on the other end of the housing;
An electronic component is mounted and a circuit board is inserted into the cavity along the board insertion portion from one end side of the housing. The circuit board is connected to the housing on the other end side of the circuit board. A lighting circuit provided with a locked portion that is locked by the locking portion by being inserted into a predetermined position in the cavity of the body;
A lamp device comprising: The insulating portion of the housing has a pair of bosses to which the heat radiating plate is screwed so as to face the hollow portion,
The lamp device according to claim 1, wherein the circuit board is provided so that a surface on which the electronic component is mounted is orthogonal to an imaginary line connecting the pair of bosses. The lamp device according to claim 1, wherein the casing is formed by insert-molding a metal plate in the insulating portion. With sockets;
The lamp device according to any one of claims 1 to 3, wherein the power feeding unit is connected to the socket;
The lighting fixture characterized by comprising.

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