JP2014067673A - Lighting apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting apparatus capable of enhancing the tensile strength of a lamp socket mounted on the apparatus body side.SOLUTION: A lighting apparatus includes a pair of mounting legs 1b,1b which protrude to a back face 1ab side opposite to a socket face 1aa side receiving a lamp pin of a straight-tube lamp and which are provided apart from each other in a box-shaped lamp socket 1. The pair of mounting legs 1b,1b have, at the tip thereof, claw parts 1c,1c which protrude in the direction in which the claw parts separate from each other. A socket support base 2 is formed through a pair of insertion holes 2h,2h where a pair of mounting legs 1b,1b are inserted respectively from a one face 2aa side, and has a stopper part 2a which suppresses the deflection of the pair of mounting legs 1b,1b in the direction in which the mounting legs approach each other in a state where the pair of mounting legs 1b,1b are inserted to the pair of insertion holes 2h,2h and a claw part 1c is respectively hooked to the peripheral edge part of the insertion hole 2h on the other face 2ab side opposite to the one face 2aa side.

Description

  The present invention relates to a lighting fixture.

  2. Description of the Related Art Conventionally, a lighting fixture having a lamp socket on which a straight tube lamp is detachably mounted has been used.

  As this kind of lighting fixture, it has the socket 116 provided with a pair of connection protrusion 122 shown in FIG. 15, and the connector main body 114 which fits a pair of connection protrusion 122 to the socket support hole 119 (120) of both ends. There are known ones (for example, see Patent Document 1).

  In the luminaire of Patent Document 1, the connection projection 122 of the socket 116 as a lamp socket is fitted into the socket support hole 119 (120) of the connector main body 114, so that the socket 116 is connected to the luminaire main body as the fixture body. It can be attached to the tool body 114. In addition, in the lighting fixture of patent document 1, the socket support holes 119 and 120 are provided in a pair of latching pieces 117 and 118 which are provided at both ends of the outer periphery of the connector main body 114. The connector main body 114 includes a lamp mounting guide 121 having an inclined surface so as to correspond to the outer shape of the straight tube fluorescent lamp.

JP-A-10-2223015

  By the way, in lighting fixtures, for example, when a straight tube lamp is attached to or detached from the lamp socket, such as when replacing a straight tube lamp, the lamp socket is attached from the fixture body side, such as the longitudinal direction of the straight tube lamp or the direction perpendicular to the longitudinal direction. A large load may be applied in the pulling direction. In the lighting fixture of Patent Document 1, there is a possibility that the connection protrusion 122 of the socket 116 may come off from the socket support hole 119 (120) on the connector main body 114 side due to a load applied to the lamp socket.

  This invention is made | formed in view of the said reason, The objective is to provide the lighting fixture which can raise more the tensile strength of the lamp socket with which the fixture main body side was mounted | worn.

  A lighting fixture of the present invention includes a pair of lamp sockets to which a straight tube lamp provided with a lamp pin protruding from a base portion on one end side of a tube body and a lamp pin protruding from a base portion on the other end side, and the pair of lamps A pair of socket support bases for supporting the sockets separately, an appliance main body provided with the pair of socket support bases, and lighting power for the straight tube lamp via at least one of the pair of lamp sockets provided in the appliance main body The lamp socket has a pair of mounting legs projecting toward the back side opposite to the receiving side receiving the lamp pin of the straight tube lamp. And the pair of mounting legs have claw portions protruding in directions away from each other at the tip, and the socket support base has the pair of mounting legs on one side. A pair of insertion holes are inserted through each of the pair of insertion holes, and the pair of mounting legs are inserted into the pair of insertion holes separately, and the claw portion is inserted through the other surface side opposite to the one surface side. It has a stopper part which suppresses that a pair of above-mentioned attachment leg bends in the direction which mutually approaches in the state where it was hooked in the peripheral part of a hole, respectively.

  In this lighting apparatus, the stopper portion includes a standing piece standing from the other surface side of the socket support base, and a protruding portion protruding so as to cover the insertion hole from the standing piece, It is preferable that the projecting portion is in contact with a side opposite to the projecting direction of the claw portion in the mounting leg to suppress the bending of the mounting leg.

  In this lighting fixture, the insertion hole includes a first hole part through which the mounting leg having the claw part can be inserted, and a second hole which communicates with the first hole part and has an opening area smaller than that of the first hole part. The stopper portion is configured by an inner edge portion facing the peripheral edge side in the second hole portion, and the inner edge portion is a protruding direction of the claw portion in the mounting leg. It is preferable to suppress the bending of the mounting leg by abutting against the opposite side.

  The lighting fixture of the present invention includes a lamp socket mounted on the fixture body side by having a stopper portion that prevents the socket support base on the fixture body side from being bent in a direction in which the pair of mounting legs of the lamp socket approach each other. There is an effect that the tensile strength of can be further increased.

It is sectional explanatory drawing which shows the principal part of the lighting fixture of Embodiment 1, and demonstrates the mounting process which mounts a lamp socket on a socket support stand. The socket support stand of the lighting fixture of Embodiment 1 is shown, (a) is a rear view, (b) is XX sectional drawing of (a). The principal part of the lighting fixture of Embodiment 1 is shown, (a) is the front view which mounted | wore the socket support stand with the lamp socket which mounts the one end side of a straight tube | pipe type lamp, (b) is XX sectional drawing of (a). It is. The principal part of the lighting fixture of Embodiment 1 is shown, (a) is the front view which mounted | wore the socket support stand with the lamp socket which mounts the other end side of a straight tube | pipe type lamp, (b) is XX cross section of (a). FIG. It is a disassembled perspective view of the lighting fixture of Embodiment 1. FIG. It is a schematic block diagram which shows the lighting fixture of Embodiment 1. FIG. The straight tube | pipe type lamp | ramp with which the lighting fixture of Embodiment 1 is mounted | worn are shown, (a) is a front view, (b) is side explanatory drawing which projected the lamp pin of the nozzle | cap | die part of the other end side to the nozzle | cap | die part of the other end side. . It is a front view which shows another principal part of the lighting fixture of Embodiment 1. FIG. The socket support stand of the lighting fixture of Embodiment 2 is shown, (a) is a rear view, (b) is XX sectional drawing of (a). It is sectional explanatory drawing which shows the principal part of the lighting fixture of Embodiment 2, and demonstrates the mounting process which mounts a lamp socket on a socket support stand. It is a back explanatory drawing which shows the principal part of the lighting fixture of Embodiment 2, and demonstrates the mounting process which mounts | wears a socket support stand with a lamp socket. The socket support stand of the lighting fixture of Embodiment 3 is shown, (a) is a rear view, (b) is XX sectional drawing of (a). It is sectional explanatory drawing which shows the principal part of the lighting fixture of Embodiment 3, and demonstrates the mounting process which mounts a lamp socket on a socket support stand. It is a back surface explanatory view which shows the principal part of the lighting fixture of Embodiment 3, and demonstrates the mounting process which mounts a lamp socket on a socket support stand. It is a partially exploded perspective view which shows the principal part of the connection structure of the conventional lighting fixture.

(Embodiment 1)
The lighting fixture 10 of this embodiment is described based on FIG. 1 thru | or 6, and the straight tube | pipe type LED lamp which is the straight tube | pipe lamp 20 with which the lighting fixture 10 of this embodiment is mounted | worn is demonstrated based on FIG. In addition, in each figure, the same number is attached | subjected with respect to the same component, and the overlapping description is abbreviate | omitted.

  A straight tube lamp 20 attached to the lighting apparatus 10 of the present embodiment includes a lamp pin (hereinafter, referred to as a first cap portion) 22 that protrudes from a cap portion (hereinafter also referred to as a first cap portion) 22 of the tube body 21 in the straight tube lamp 20. , Also referred to as a first lamp pin) 24 (see FIG. 7). The straight tube lamp 20 includes a lamp pin (hereinafter also referred to as a second lamp pin) 25 that protrudes from a base portion (hereinafter also referred to as a second base portion) 23 on the other end side of the tube body 21.

  The lighting fixture 10 of this embodiment has a lamp socket 1 (hereinafter also referred to as a power supply lamp socket 1A) to which one end side of the straight tube lamp 20 is attached (see FIG. 3). Moreover, the lighting fixture 10 has the lamp socket 1 (henceforth the lamp socket 1B for earthing | grounding) which mounts the other end side in the straight tube | pipe lamp 20 (refer FIG. 4). The lighting fixture 10 includes a pair of socket support bases 2 and 2 that individually support the pair of lamp sockets 1 and 1 and a fixture main body 11 including the pair of socket support bases 2 and 2 (see FIG. 5 and FIG. 5). (See FIG. 6). In addition, in the lighting fixture 10 of FIG. 6, only one is simplified and illustrated among the two straight tube | pipe lamps 20 of FIG. The lighting fixture 10 includes a lighting circuit portion 11 a that is provided in the fixture body 11 and supplies lighting power to the straight tube lamp 20 through at least one of the pair of lamp sockets 1 and 1.

  In the lighting fixture 10 of the present embodiment, the lamp socket 1 has a pair of mounting legs 1b and 1b that protrude to the back surface 1ab side opposite to the receiving surface 1aa side that receives the lamp pin 24 (25) of the straight tube lamp 20. The box-shaped socket body 1a is provided so as to be spaced apart (see FIG. 3 or FIG. 4). The pair of mounting legs 1b, 1b have claw portions 1c, 1c that protrude in the directions away from each other at the tips.

  Further, the socket support base 2 has a pair of insertion holes 2h and 2h through which the pair of mounting legs 1b and 1b are inserted separately from the one surface 2aa side (see FIG. 2). In the socket support base 2, the pair of mounting legs 1b and 1b are inserted into the pair of insertion holes 2h and 2h, and the claw portions 1c are hooked on the peripheral portions of the insertion holes 2h on the other surface 2ab side opposite to the one surface 2aa side. (See FIG. 1 (e)). In the lighting fixture 10 of the present embodiment, the socket support base 2 suppresses the pair of mounting legs 1b and 1b from being bent toward each other in a state where the claw portion 1c is hooked on the peripheral edge portion of the insertion hole 2h. It has a stopper portion 2a.

  Thereby, the lighting fixture 10 of this embodiment can raise the tensile strength of the lamp socket 1 with which the fixture main body 11 side was mounted | worn more.

  As a specific example of the lighting fixture 10 according to the present embodiment, when a straight tube LED lamp as a straight tube lamp 20 is mounted, first, the straight tube LED lamp will be described.

  A straight tube lamp 20 shown in FIG. 7 includes an arc tube that is a tube main body 21 formed in a cylindrical straight tube from a light-transmitting material (for example, glass or synthetic resin). At both ends of the tube body 21 in the axial direction, cap portions 22 and 23 are provided. The straight tube lamp 20 connected to the luminaire 10 of the present embodiment is provided with a bottomed cylindrical first base portion 22 for power feeding so as to cover one end portion side of the tube main body 21. The straight tube lamp 20 is provided with a bottomed cylindrical grounding second cap portion 23 so as to cover the other end portion side of the tube body 21 in the axial direction.

  Although not shown, a mounting substrate (for example, a ceramic substrate) whose length is slightly shorter than that of the tube body 21 is housed inside the tube body 21. The mounting substrate is formed with a wiring pattern for mounting and electrically connecting a plurality of light emitting diodes (not shown) capable of emitting white light at a predetermined interval on one surface side of the mounting substrate. Further, the mounting substrate has a C-shaped cross section in which the side wall portion protruding from the bottom surface portion in contact with the other surface side reflects the light from the light emitting diode in a predetermined direction on the other surface side opposite to the one surface side of the mounting substrate. A reflection plate (not shown) is provided.

  The straight tube lamp 20 is provided with recesses 22b and 22b that are recessed substantially semicircularly on both sides of the central portion in the radial direction of the first base part 22 on the end face of the first base part 22 in a side view (see FIG. (Refer FIG.7 (b)). The straight tube lamp 20 is provided with a substantially rectangular parallelepiped protrusion 22a having a central portion protruding forward from the recess 22b in a side view. The protrusion 22a is a plate for feeding formed by a metal material protruding along the axial direction of the tube main body 21 at a symmetrical position with respect to the central axis (not shown) of the cylindrical tube main body 21. The first lamp pins 24, 24 are provided substantially in parallel. A pair of first lamp pins 24 are provided, each having a plate-like protrusion 24 a that protrudes in parallel with the axial direction of the tube body 21. Each of the pair of first lamp pins 24 includes a bent portion 24b that protrudes in an outward direction away from the opposing plate-like protruding portion 24a, with the tip portion of the plate-like protruding portion 24a being bent at a substantially right angle.

  For example, the pair of first lamp pins 24 and 24 are electrically connected to the mounting substrate via lead wires (not shown) inside the tube main body 21. Note that a circuit board (not shown) such as a full-wave rectifier for electrically protecting the light emitting diode is also mounted on the mounting substrate. The straight tube lamp 20 has a pair of first lamp pins 24, 24 so that a forward current flows through each light emitting diode regardless of which of the first lamp pins 24, 24 is connected to the positive side of the external DC power supply. And each light emitting diode is electrically connected via a full-wave rectifier. Therefore, the pair of first lamp pins 24 and 24 function as terminals for supplying power to the light emitting diodes of the straight tube lamp 20.

Although not shown, the light-emitting diode accommodated in the straight tube lamp 20 is configured to include, for example, an LED chip and a package main body provided with an accommodation recess for accommodating the LED chip on one surface. can do. As the light emitting diode, for example, an LED chip that emits blue light having a peak wavelength in the range of 420 nm to 490 nm when energized can be used. As the light emitting diode, for example, a package body made of ceramic (for example, alumina or the like) in which a housing recess for housing the LED chip is provided on one surface can be used. The light-emitting diode accommodates a wavelength conversion member made of a translucent material containing a phosphor that absorbs part of the blue light emitted from the LED chip and emits longer-wavelength fluorescence (for example, yellow light). It can be embedded in the place. The phosphor, for example, absorbs a part of blue light and emits longer wavelength fluorescence, and Y ₃ Al ₅ O ₁₂ activated with Ce and Tb ₃ Al ₅ O ₁₂ activated with Ce. An aluminate-based phosphor such as Ba ₂ SiO ₄ activated with Eu can be used. In the light emitting diode, for example, a silicone resin, an epoxy resin, an acrylic resin, a polycarbonate resin, or glass can be used as a light-transmitting material containing a phosphor. In addition, the light emitting diode is provided with an external connection electrode (not shown) on the other surface of the package body, and the external connection electrode and the wiring pattern of the mounting substrate are connected via solder (not shown). To be electrically connected.

  The straight tube lamp 20 includes one second lamp pin 25 for grounding that protrudes from the second base 23 on the other end side of the straight tube lamp 20 along the axial direction of the tube body 21. The second lamp pin 25 includes a shaft portion 25a that protrudes from the center portion of the end face of the second base portion 23 along the axial direction of the tube body 21 and is formed into a round bar shape from a metal material. The second lamp pin 25 includes a large diameter portion 25b larger than the shaft diameter of the shaft portion 25a at the tip of the shaft portion 25a. The large-diameter portion 25b has a shape viewed from the axial direction of the tube body 21 in a direction parallel to the direction in which the pair of first lamp pins 24, 24 projecting from the first base portion 22 of the straight tube lamp 20 are aligned, and the longitudinal direction. (See FIG. 7B). The large diameter portion 25b is not limited to an oval shape, and may be a non-circular shape such as an elliptical shape. The large diameter portion 25b is made of a metal material and formed integrally with the shaft portion 25a. That is, the second lamp pin 25 has a round bar-shaped shaft portion 25a protruding along the axial direction of the tube body 21 and a large-diameter portion 25b, and has a T-shape (FIG. 7A). )). The second lamp pin 25 is electrically connected to the wiring pattern of the mounting substrate and functions as a ground terminal for grounding. That is, the straight tube lamp 20 is a one-side power supply type straight tube LED lamp that feeds power from the first base portion 22 on one end side.

  Next, the pair of lamp sockets 1 and 1 in the lighting fixture 10 of this embodiment will be described in detail.

  In the lighting fixture 10 of the present embodiment, a pair of lamp sockets 1 are provided on the fixture body 11 side, one being a power supply lamp socket 1A shown in FIG. 3, and the other being a grounding lamp socket 1B shown in FIG. . As shown in FIG. 3, the power supply lamp socket 1 </ b> A includes a rotor 1 g that can be rotated around the center of the socket body 1 a on the one surface side of the box-shaped socket body 1 a. The rotor 1g has a circular outer shape and includes an I-shaped first insertion port 1f into which the pair of first lamp pins 24, 24 of the straight tube lamp 20 can be inserted in the radial direction of the rotor 1g. Yes. The rotor 1g includes a pair of semi-cylindrical projecting portions 1g1 and 1g1 via the first insertion port 1f. The rotor 1g is provided with a stepped portion 1g2 that is recessed stepwise from the protruding portion 1g1 side between the protruding portion 1g1 and the first insertion port 1f. The rotor 1g is configured such that the projection 22a of the first base portion 22 of the straight tube lamp 20 abuts the step portion 1g2 and the recess 22b abuts the projection portion 1g1, and receives the first lamp pins 24, 24. (Hereinafter also referred to as the first receiving surface 1Aaa). The power supply lamp socket 1 </ b> A includes a first receiving surface 1 </ b> Aaa having a shape corresponding to the outer shape of the first base portion 22 of the straight tube lamp 20 in the socket body 1 a. The power supply lamp socket 1A is a straight tube lamp by sliding the first base portion 22 of the straight tube lamp 20 along the first insertion port 1f from the opening portion 1ca provided on the outer peripheral wall of the socket body 1a. 20 can be inserted into the first insertion opening 1f.

  In the power supply lamp socket 1A, the socket main body 1a has a bottomed cylindrical body with an opening (not shown) provided on the back surface 1ab side opposite to the first receiving surface 1Aaa of the socket main body 1a. It has a part 1a1. In the power supply lamp socket 1A, the socket body 1a has a cover portion 1a2 that covers the opening of the body portion 1a1. The socket body 1a is formed in a box shape with a body portion 1a1 and a cover portion 1a2. The cover portion 1a2 may be formed in a flat plate shape that covers the opening of the body portion 1a1. The socket body 1a can have a structure in which the body portion 1a1 and the cover portion 1a2 are welded to seal the inside.

  The power supply lamp socket 1A includes a pair of conductive portions (not shown) that can be electrically connected to the pair of first lamp pins 24, 24 protruding from the first base portion 22 inside the socket body 1a. Yes. The pair of conductive portions can be formed by bending a plate-like body made of a metal material having good conductivity (for example, a copper alloy). In the power supply lamp socket 1A, after inserting the pair of first lamp pins 24 of the straight tube lamp 20 into the first insertion port 1f, the rotor 1g is rotated around the axis of the tube body 21 of the straight tube lamp 20. Let Accordingly, in the power supply lamp socket 1A, the first lamp pins 24 and 24 of the straight tube lamp 20 are elastically contacted with the pair of conductive parts, respectively, and the straight tube lamp 20 is held on the power supply lamp socket 1A side. . The plate-like protrusion 24a of the first lamp pin 24 is elastically contacted with the pair of conductive portions, so that the straight tube lamp 20 is difficult to be removed from the power supply lamp socket 1A. The power supply lamp socket 1A supplies lighting power from the lighting circuit unit 11a to the straight tube lamp 20 by electrically connecting the pair of conductive portions to the pair of first lamp pins 24 and 24, respectively. Can do.

  The power supply lamp socket 1A suitably includes a through hole 1d for inserting a power supply wire (not shown) in the peripheral wall of the socket body 1a. The power supply lamp socket 1 </ b> A can be configured to include quick connection terminals so that each power supply wire inserted into the through hole 1 d can be electrically connected to each conductive portion.

  The power supply lamp socket 1A is a box-shaped socket in which a pair of mounting legs 1b and 1b projecting toward the back surface 1ab side opposite to the first receiving surface 1Aaa for receiving the first lamp pin 24 of the straight tube lamp 20 are separated. It is provided on the main body 1a. In the power supply lamp socket 1A of the present embodiment, a pair of columnar mounting legs 1b and 1b project substantially parallel to each other at the center of both side surfaces of the body portion 1a1 of the socket body 1a. The pair of mounting legs 1b and 1b have claw portions 1c and 1c that protrude in directions away from each other at the tips of the mounting legs 1b.

  The body portion 1a1 can be formed by integral molding with the mounting leg 1b having the claw portion 1c, for example, with a synthetic resin material. The mounting portion 1b is not limited to being formed by integral molding as long as it has a predetermined elasticity, and a separately formed mounting portion 1b may be joined to the socket body 1a. The attachment portion 1b may be formed on the body portion 1a1 in order to increase the mechanical strength, or may be formed on the cover portion 1a2 in order to narrow the entire width of the lamp socket 1. The socket body 1a can ensure insulation by forming the body portion 1a1 and the cover portion 1a2 using an electrically insulating synthetic resin.

  In the lighting fixture 10 of the present embodiment, a power supply lamp socket 1A is held on a socket support base 2 provided in advance on the fixture body 11 side. The socket support base 2 can be formed of, for example, a metal material or a synthetic resin. In the lighting fixture 10 of the present embodiment, the socket support base 2 has a circular through hole 2h through which the mounting leg 1b is inserted separately from the one surface 2aa side (see FIG. 2). A pair of through holes 2h are provided at a predetermined interval slightly narrower than the interval between the pair of mounting legs 1b, 1b. In the socket support base 2, the pair of mounting legs 1b and 1b are inserted into the pair of insertion holes 2h and 2h, respectively, and the claw portion 1c on the other surface 2ab side opposite to the one surface 2aa side is surrounded by the circular insertion hole 2h. To hook.

  The socket support base 2 includes a standing piece 2a1 standing from the other surface 2ab side of the socket support base 2, and a flat plate-like protruding portion 2a2 protruding from the standing piece 2a1 so as to partially cover the insertion hole 2h. I have. In the lighting fixture 10 of the present embodiment, the protruding portion 2a2 is provided at the tip of the standing piece 2a1, and the height of the tip where the claw portion 1c of the mounting leg 1b inserted through the insertion hole 2h is provided, and the socket support 2 The height of the protruding portion 2a2 is made to substantially coincide with the other surface 2ab side. Even when the lamp socket 1 is pulled and a load is applied in a direction in which the elastic mounting leg 1b bends in the direction opposite to the protruding direction of the claw portion 1c, the socket supporting base 2 has the protruding portion 2a2 and the mounting leg 1b. By making contact, the bending of the mounting leg 1b is suppressed. Thereby, the lighting fixture 10 can further increase the tensile strength of the lamp socket 1.

  In addition, in the lighting fixture 10 of this embodiment, in the front view of the socket support base 2, the protrusion 2a2 is not limited to a rectangular plate shape so as to cover the insertion hole 2h of the ket support base 2. As shown in FIG. 8A, it may be a rectangular parallelepiped rod shape. By forming the protruding portion 2a2 in a bar shape, it is possible to further increase the resistance of the mounting leg 1b corresponding to bending. Moreover, in the lighting fixture 10 of this embodiment, in the front view of the socket support stand 2, although the opening shape of the insertion hole 2h is circular shape, it respond | corresponds not only with circular shape but with the shape of the attachment leg 1b or the nail | claw part 1c. It is good also as ellipse shape shown in Drawing 8 (b). Furthermore, in the lighting fixture 10 of this embodiment, in the front view of the socket support base 2, as shown in FIG.8 (c), the protrusion part 2a2 is a flat protrusion part 2a2 instead of a rectangular flat plate shape. The one provided with a notch 2c1 may be used. The socket support base 2 is provided with a notch 2c1 in the protrusion 2a2, so that the mounting leg 1b can be easily inserted into the insertion hole 2h, and the mechanical force of the protrusion 2a2 against the force generated when the lamp socket 1 is pulled. The strength can be further increased.

  In the lighting fixture 10 of the embodiment, the socket support base 2 is integrally molded with the protruding portion 2a2 and the standing piece 2a1 using an electrically insulating synthetic resin. As long as the socket support base 2 can suppress the bending of the mounting leg 1b, the standing piece 2a1 is not necessarily required. However, in the lighting fixture 10, adjusting the height of the protruding portion 2a2 from the other surface 2ab side so that the protruding portion 2a2 is brought into contact with the tip of the mounting leg 1b on which the claw portion 1c is provided has a higher tensile strength. It becomes easy to raise. Further, the socket support base 2 is not necessarily formed integrally with the protruding portion 2a2, and may be fixed separately.

  Therefore, the socket support base 2 can also be comprised by the socket support base 2 formed with the synthetic resin material, and the protrusion part 2a2 formed with the metal material. The socket support 2 is not limited to a rectangular flat plate, and may be a circular flat plate or an elliptic flat plate. Further, the socket support base 2 is not limited to a flat plate shape but may be a three-dimensional shape such as a box shape. In the lighting fixture 10 of the present embodiment, the socket support base 2 is formed in a rectangular flat plate shape, and suitably includes a frame-shaped protrusion 2b that is fixed to the fixture body 11 side on the outer peripheral portion.

  In addition, in the lighting fixture 10 of this embodiment, the box shape of the socket main body 1a is not limited as long as it can accommodate a conductive portion or the like that can be electrically connected to the straight tube lamp 20, and the inside of the socket main body 1a. However, the shape is not limited to that of a closed space. Therefore, the lamp socket 1 may be one in which the back surface 1ab side opposite to the receiving surface 1aa of the socket body 1a is opened.

  Next, the grounding lamp socket 1B has a structure in which the second base part 23 of the straight tube lamp 20 can be mounted. The grounding lamp socket 1B has a second receiving surface 1Baa with which the second base portion 23 of the straight tube lamp 20 can abut as the receiving surface 1aa of the box-shaped socket body 1a. The grounding lamp socket 1B includes a second insertion port 1j into which the second lamp pin 25 of the straight tube lamp 20 can be inserted from the side peripheral wall side of the socket body 1a to the inside.

  The second insertion port 1j is provided with an opening hole 1j1 which is larger than the large diameter portion 25b of the second lamp pin 25 to be inserted and expands to the outside on the side peripheral wall side of the socket body 1 (see FIG. 4A). ). The second insertion port 1j includes an opening communication portion 1j2 that communicates with the opening hole portion 1j1 from the side peripheral wall side of the socket body 1 toward the inside. In the grounding lamp socket 1B, the second lamp pin 25 inserted from the opening hole portion 1j1 is slid to the opening communication portion 1j2 side in a direction perpendicular to the axial direction of the tube body 21, and the second lamp pin 25 is opened on the opening communication portion 1j2 side. It can be held. The opening communication portion 1j2 is formed such that the inner dimension of the opening communication portion 1j2 into which the second lamp pin 25 is inserted is smaller than the outer diameter of the large diameter portion 25b and larger than the outer diameter of the shaft portion 25a. The second insertion port 1j is not limited to the one having the opening hole portion 1j1 and the opening communication portion 1j2, and may have various shapes as long as the second lamp pin 25 can be inserted and held. it can.

  In the grounding lamp socket 1B, the socket body 1a includes a bottomed cylindrical body portion 1a1 having an opening (not shown) on the back surface 1ab side opposite to the receiving surface 1aa of the socket body 1a and having a hollow inside. have. In the grounding lamp socket 1B, the socket body 1a has a cover portion 1a2 provided so as to cover the opening of the body portion 1a1. The socket body 1a of the grounding lamp socket 1B is formed in a box shape with a body portion 1a1 and a cover portion 1a2 in the same manner as the socket body 1a of the power supply lamp socket 1A. The cover portion 1a2 may be formed in a flat plate shape that covers the opening of the body portion 1a1. The socket body 1a can have a structure in which the body portion 1a1 and the cover portion 1a2 are welded to seal the inside.

  The lamp socket 1 is preferably provided with a through hole 1d in the peripheral wall of the socket body 1a. The through hole 1d is configured such that a grounding wiring (not shown) can be inserted therein. Further, the lamp socket 1 is housed in a cavity inside the socket body 1a, and a pair of grounding conductive plates 1k constituting a conductive portion that can be electrically connected to the second lamp pin 25 of the straight tube lamp 20; 1k. The conductive portion can be formed by bending a plate-like body made of a metal material having good conductivity (for example, a copper alloy).

  In the grounding lamp socket 1B, when the second base 23 on the other end side of the straight tube lamp 20 is attached to the grounding lamp socket 1B, the second receiving surface 1Baa is the second base of the straight tube lamp 20. Abuts against the portion 23. In the grounding lamp socket 1B, the pair of conductive plates 1k and 1k in the second insertion port 1j of the socket body 1a holds the second lamp pin 25 of the straight tube lamp 20. The shaft portion 25a of the second lamp pin 25 is elastically contacted with the pair of conductive plates 1k and 1k, and the second lamp pin 25 is held on the grounding lamp socket 1B side. The shaft portion 25a of the second lamp pin 25 is held by the pair of conductive plates 1k and 1k, so that the straight tube lamp 20 is difficult to be removed from the grounding lamp socket 1B.

  Further, in the grounding lamp socket 1B, the conductive portion is provided with a quick connection terminal so that it can be easily electrically connected to the grounding wiring inserted into the socket body 1a through the through hole 1d. In the quick connection terminal, the tip end of the wiring is inserted from the through hole 1d. In the quick-connect terminal, the tip of the wiring is held by the elasticity of the holding piece obtained by bending the plate-like body. Note that one through hole 1d is sufficient for inserting a grounding wire, and two need not be provided. When two through holes 1d are provided, one through hole 1d may be used for a feed terminal to be connected to another grounding lamp socket 1B. The socket body 1a ensures insulation by forming the body portion 1a1 and the cover portion 1a2 using an electrically insulating synthetic resin.

  Further, the lamp socket 1 has a pair of mounting legs 1b that project to the back side 1ab opposite to the receiving surface 1aa side at the center of both side surfaces of the socket body 1a. , 1b is projected.

  The grounding lamp socket 1B is supported on the socket support base 2 on the side of the instrument body 11 using the same shape as the socket body 1a that supports the power supply lamp socket 1A. In the lighting fixture 10 of this embodiment, unlike the power supply lamp socket 1A, the grounding lamp socket 1B preferably includes a leaf spring 1e protruding from the receiving surface 1aa side to the back surface 1ab side in the cover portion 1a2. The grounding lamp socket 1B is configured to elastically contact the one surface 2aa by a V-shaped leaf spring 1e toward the one surface 2aa side of the socket support base 2. The grounding lamp socket 1B includes a mounting leg 1b that is longer than the mounting leg 1b of the power feeding lamp socket 1 and slightly shorter than the leaf spring 1e that elastically contacts the one surface 2aa side of the socket support base 2. . The grounding lamp socket 1B can fix the leaf spring 1e made of a metal material to the cover portion 1a2, for example, by thermally deforming a part of the cover portion 1a2 made of a synthetic resin material. In the lighting fixture 10 of the present embodiment, the grounding lamp socket 1B suppresses the bending of the mounting leg 1b by the standing piece 2a1 and the protruding portion 2a2 that constitute the stopper portion 2a of the socket support base 2.

  Hereinafter, the structure of the whole lighting fixture 10 of this embodiment is demonstrated easily using FIG. 5 and FIG.

  The lighting fixture 10 of this embodiment includes a rectangular parallelepiped fixture main body 11 to which two straight tube lamps 20 can be respectively attached. The appliance main body 11 is provided with two power supply lamp sockets 1A shown in FIG. 3 that contact the first base portion 22 on one end side of the straight tube lamp 20 and supply power to the pair of first lamp pins 24, 24. . Further, the appliance main body 11 is provided with two grounding lamp sockets 1B shown in FIG. 4 that contact the second base 23 on the other end of the straight tube lamp 20 and electrically ground the second lamp pin 25. ing.

  In the case where two straight tube lamps 20 are attached, the lighting fixture 10 includes, for example, a pair of a pair of power supply lamp sockets 1A and a pair of grounding lamp sockets 1B on the socket support 2 on the fixture body 11 side. What is necessary is just to provide at predetermined intervals. The lighting fixture 10 covers the lighting circuit portion 11a housed inside the fixture main body 11 and the terminal block 13 to which the power supply line from the commercial power supply AC is connected with the reflector 11b so that the inside cannot be seen from the outside. Yes. The lighting fixture 10 can be suspended and fixed by inserting a washer 11b through a tip of a suspension bolt extending from a ceiling material (not shown) and screwing the suspension bolt and nut 11c together.

  As shown in FIG. 6, the lighting fixture 10 includes a terminal base 13 to which a power line from a commercial power supply AC is connected inside the fixture body 11. In addition, the lighting fixture 10 converts the AC voltage from the commercial power source AC input to the inside of the fixture body 11 through the terminal block 13 into a predetermined DC voltage suitable for the straight tube LED lamp as the straight tube lamp 20. A lighting circuit portion 11a to be supplied to the straight tube lamp 20 is accommodated. The lighting fixture 10 is connected to the ground terminal portion of the lighting circuit portion 11a via the wiring 16 and the grounding lamp socket 1B supported by the socket support base 2 provided on the other end side (right side in FIG. 6) of the fixture body 11. And are electrically connected. In addition, the lighting fixture 10 is connected to the output terminal of the lighting circuit section 11a and the power supply lamp socket 1A supported by the socket support base 2 provided on one end side (left side in FIG. 6) of the fixture body 11 via the electric wire 14. And are electrically connected. The luminaire 10 supplies power from the first base portion 22 side of the straight tube lamp 20 mounted in the power supply lamp socket 1A. The lighting fixture 10 includes a pair of sockets provided so that the power supply lamp socket 1A and the grounding lamp socket 1B are opposed to the fixture body 11 so that the straight tube lamp 20 can be held at both longitudinal ends of the fixture body 11. Each holding table 2 is provided so as to protrude. That is, in the lighting fixture 10, the first base portion 22 and the second base portion 23 provided at both ends of the tube main body 21 in the straight tube lamp 20 are respectively connected to the corresponding power supply lamp socket 1A and grounding lamp socket 1B. The straight tube lamp 20 is held by mounting. In the lighting fixture 10, the power supply lamp socket 1 </ b> A and the grounding lamp socket 1 </ b> B are arranged at a predetermined interval corresponding to the length between the first base portion 22 and the second base portion 23 of the straight tube lamp 20. . In addition, the lighting fixture 10 of this embodiment is not restricted only to the thing provided with the lamp socket 1 and socket support stand 2 which mount a straight tube | pipe type LED lamp, The lamp socket which mounts a straight tube | pipe type fluorescent lamp It can also be applied to the socket support base. In the lighting fixture 10 of the present embodiment, when a straight tube LED lamp is mounted as the straight tube lamp 20, the bent portion 24b of the first lamp pin 24 and the large diameter portion 25b of the second lamp pin 25 are connected to the lamp socket 1 side. Since it is easily caught, it has a particularly great effect.

  Next, a mounting process for mounting the lamp socket 1 on the socket support 2 will be described with reference to FIG.

  In the lighting fixture 10 of this embodiment, the back surface 1ab side of the lamp socket 1 is disposed on the one surface 2aa side of the socket support base 2 that is fixed in advance to the fixture body 11 side, and one mounting leg 1b of the lamp socket 1 is attached. The socket support 2 is inserted through one insertion hole 2h (see FIG. 1A).

  Next, in the lighting fixture 10 of this embodiment, on the other surface 2ab side of the socket support base 2, the claw portion 1c of the mounting leg 1b of the lamp socket 1 inserted through one insertion hole 2h of the socket support base 2 is inserted. It is hooked on the peripheral edge of the hole 2h (see FIG. 1B).

  Subsequently, the lighting fixture 10 of the present embodiment has a pair of mounting legs in a state where the claw portion 1c of one mounting leg 1b is hooked on the peripheral edge of the insertion hole 2h on the other surface 2ab side of the socket support base 2. 1b and 1b are bent in a direction approaching each other.

  Next, in the lighting fixture 10, the other mounting leg 1b is inserted into the other insertion hole 2h in a state where the pair of mounting legs 1b and 1b of the lamp socket 1 are bent toward each other (FIG. 1 (c)). See).

  In the lighting fixture 10 of the present embodiment, the other mounting leg 1b is pushed into the other insertion hole 2h, and the claw of the other mounting leg 1b is inserted into the peripheral portion of the other insertion hole 2h on the other surface 2ab side of the socket support base 2. The part 1c is hooked (see FIG. 1D).

  In the lighting fixture 10 of the present embodiment, on the other surface 2ab side of the socket support base 2, the respective claws 1c are hooked on the peripheral portions of the respective insertion holes 2h, and the elasticity of the pair of mounting legs 1b and 1b is used. Deflection tries to return. Moreover, in the lighting fixture 10 of this embodiment, when the lamp socket 1 is mounted on the socket support base 2, the protruding portion 2a2 protruding from the standing piece 2a1, and the opposite side of the mounting leg 1b in the protruding direction of the claw portion 1c Are opposed to each other with a gap (see FIG. 1E). In the lighting fixture 10 of the present embodiment, when the lamp socket 1 is mounted on the socket support base 2, the back surface 1ab of the lamp socket 1 and the one surface 2aa of the socket support base 2 are brought into contact with each other.

  In the lighting fixture 10, when a large load is applied in the direction in which the lamp socket 1 is pulled from the socket support 2 on the fixture body 11 side, a force is applied in a direction in which the pair of mounting legs 1 b and 1 b approach each other. In the lighting fixture 10 of the present embodiment, the protruding portion 2a2 is provided on the opposite side of the mounting leg 1b from the protruding direction of the claw portion 1c as a stopper portion 2a that suppresses the pair of mounting legs 1b and 1b from bending in a direction approaching each other. By the contact, the bending of the mounting leg 1b is suppressed.

  Thereby, in the lighting fixture 10 of this embodiment, it becomes possible to raise the tensile strength of the lamp socket 1 with which the fixture main body 11 side was mounted | worn more.

(Embodiment 2)
The stopper portion 2a of the lighting fixture 10 of the present embodiment shown in FIG. 9 instead of using the standing piece 2a1 and the protruding portion 2a2 provided on the other surface 2ab side of the socket support base 2 in the first embodiment of FIG. The difference is that the inner edge 2a3 in the second hole 2h2 of the insertion hole 2h is used. In addition, the same code | symbol is attached | subjected to the component similar to Embodiment 1, and description is abbreviate | omitted.

  In the lighting fixture 10 of this embodiment, as shown in FIG. 9, the insertion hole 2h has a first hole 2h1 through which the mounting leg 1b having the claw portion 1c can be inserted. The insertion hole 2h communicates with the first hole 2h1 and has a second hole 2h2 having an opening area smaller than that of the first hole 2h1. The stopper part 2a is comprised by the inner edge part 2a3 which opposes the peripheral part side in the 2nd hole 2h2. The stopper 2a suppresses the bending of the mounting leg 1b by the inner edge 2a3 coming into contact with the opposite side of the mounting leg 1b in the protruding direction of the claw 1c even if the mounting leg 1b is bent (see FIG. 10E). reference).

  The lighting fixture 10 of this embodiment can increase the tensile strength of the lamp socket 1 mounted on the fixture body 11 side with a simpler configuration.

  Next, a mounting process for mounting the lamp socket 1 on the socket support 2 will be described with reference to FIGS.

  In the lighting fixture 10 of the present embodiment, the back surface 1ab side of the lamp socket 1 is arranged on the one surface 2aa side of the socket support portion 2 fixed in advance to the fixture body 11 side, and one mounting leg 1b of the lamp socket 1 is attached. The socket support base 2 is inserted into one insertion hole 2h (see FIG. 10A).

  In the luminaire 10, the claw portion 1 c of the one mounting leg 1 b of the lamp socket 1 inserted through the one insertion hole 2 h of the socket support base 2 has the first insertion hole 2 h on the other surface 2 ab side of the socket support base 2. It is made to hook on the peripheral part of 1 hole part 2h1 (refer FIG. 9) (refer FIG.10 (b)).

  Subsequently, in the lighting fixture 10 of the present embodiment, the one mounting leg 1b, 1b is bent in a direction approaching each other in a state of being hooked on the peripheral portion of the insertion hole 2h on the other surface 2ab side of the socket support base 2. . Next, in the lighting fixture 10, the other mounting leg 1b is inserted into the other insertion hole 2h in a state where the pair of mounting legs 1b and 1b of the lamp socket 1 are bent in a direction approaching each other (FIG. 10C). See).

  In the lighting fixture 10 of the present embodiment, the other mounting leg 1b is pushed into the first hole 2h1 in the other insertion hole 2h, and the claw portion 1c of the other mounting leg 1b is formed on the other surface 2ab side of the socket support base 2. Is hooked on the peripheral edge of the other insertion hole 2h (see FIG. 10D).

  That is, in the lamp socket 1, the pair of mounting legs 1b and 1b are brought closer to each other so that the pair of mounting legs 1b and 1b can be inserted through the first hole 2h1 of the insertion hole 2h of the socket support base 2 that can be inserted respectively. (Refer to the direction of the arrow in FIG. 11A). In the lighting fixture 10, the claw portions 1 c of the pair of mounting legs 1 b and 1 b of the lamp socket 1 inserted through the pair of insertion holes 2 h and 2 h of the socket support base 2 are respectively connected to the other surface 2 ab side of the socket support base 2. It hooks on each peripheral edge of the 1st hole 2h1 in the insertion hole 2h (refer FIG.10 (e)).

  In the lighting fixture 10 of the present embodiment, when the claw portion 1c is hooked on the peripheral edge portion of the insertion hole 2h on the other surface 2ab side of the socket support base 2, the force for bending the pair of mounting legs 1b and 1b is loosened. Due to the elasticity of the mounting leg 1b, the shape of the mounting portion 1b tends to return to its original shape (see the direction of the arrow in FIG. 11B). In the luminaire 10, in a state where the claw portions 1c are hooked on the peripheral edge portions of the insertion holes 2h, the lighting fixture 10 communicates with the first hole portion 2h1 by a force that causes the deflection to return to the original due to the elasticity of the pair of mounting legs 1b and 1b. The mounting legs 1b and 1b automatically slide into the second hole 2h2 (see FIG. 11C). In the lighting fixture 10, the lamp socket 1 moves in the direction of the arrow from the position of the broken line shown in FIG.

  In the lighting fixture 10 of the present embodiment, when the lamp socket 1 is mounted on the socket support base 2, there is a gap between the inner edge 2a3 of the second hole 2h2 and the opposite side of the mounting leg 1b in the protruding direction of the claw 1c. Are opposed to each other (see FIG. 10E).

  In the lighting fixture 10, when a large load is applied in a direction in which the lamp socket 1 is pulled from the socket support 2 on the fixture body 11 side, a force is applied in a direction in which the pair of mounting legs 1 b and 1 b approach each other. In the lighting fixture 10 of the present embodiment, the inner edge portion 2a3 is the opposite side of the protruding direction of the claw portion 1c in the mounting leg 1b as a stopper portion 2a that suppresses the pair of mounting legs 1b, 1b from being bent toward each other. Is prevented from bending the mounting leg 1b.

  Thereby, in the lighting fixture 10 of this embodiment, it becomes possible to raise the tensile strength of the lamp socket 1 with which the fixture main body 11 side was mounted | worn more.

(Embodiment 3)
The lighting fixture 10 of the present embodiment shown in FIG. 12 is arranged symmetrically with respect to a virtual line perpendicular to the line segment in the center of the line segment connecting the pair of insertion holes 2h and 2h in the second embodiment shown in FIG. On the other hand, it differs in that it is arranged point-symmetrically with respect to the virtual point in the center of the line segment connecting the pair of insertion holes 2h, 2h. In addition, the same code | symbol is attached | subjected to the component similar to Embodiment 2, and description is abbreviate | omitted.

  In the lighting fixture 10 of this embodiment, as shown in FIG. 12, the insertion hole 2h has a first hole 2h1 through which the mounting leg 1b having the claw portion 1c can be inserted. The insertion hole 2h communicates with the first hole 2h1 and has a second hole 2h2 having an opening area smaller than that of the first hole 2h1. The stopper part 2a is comprised by the inner edge part 2a3 which opposes the peripheral part side in the 2nd hole 2h2. The stopper portion 2a suppresses the bending of the mounting leg 1b by the inner edge 2a3 coming into contact with the opposite side of the mounting leg 1b in the protruding direction of the claw portion 1c even when the mounting leg 1b is bent.

  The lighting fixture 10 of this embodiment can increase the tensile strength of the lamp socket 1 mounted on the fixture body 11 side with a simpler configuration.

  Next, a mounting process for mounting the lamp socket 1 on the socket support 2 will be described with reference to FIGS. 13 and 14.

  In the lighting fixture 10 of the present embodiment, the rear surface 1ab side of the lamp socket 1 is arranged on the one surface 2aa side of the socket support portion 2 fixed in advance to the fixture body 11, and one mounting leg 1b of the lamp socket 1 is connected to the socket. It is made to pass through one insertion hole 2h of the support base 2 (see FIG. 13A).

  In the luminaire 10, the claw portion 1 c of the one mounting leg 1 b of the lamp socket 1 inserted through the one insertion hole 2 h of the socket support base 2 has the first insertion hole 2 h on the other surface 2 ab side of the socket support base 2. It is made to hook on the peripheral part of 1 hole part 2h1 (refer FIG. 12) (refer FIG.13 (b)).

  Subsequently, in the lighting fixture 10 of the present embodiment, the other mounting leg 1b is hooked on the peripheral portion of the insertion hole 2h on the other surface 2ab side of the socket support base 2, and the claw portion of the one mounting leg 1b is used. It bends in the direction which approaches 1c mutually. In the lighting fixture 10, the other mounting leg 1b is inserted into the other insertion hole 2h in a state where the pair of mounting legs 1b, 1b of the lamp socket 1 are bent toward each other (see FIG. 13C). .

  In the lighting fixture 10 of the present embodiment, the other mounting leg 1b is pushed into the first hole 2h1 in the other insertion hole 2h, and the other side 2ab side of the socket support base 2 is placed on the other peripheral edge of the other insertion hole 2h. The claw portion 1c of the mounting leg 1b is hooked (see FIG. 13D).

  The lamp socket 1 is bent so that the pair of mounting legs 1b and 1b approach each other so that the pair of mounting legs 1b and 1b can be inserted through the first hole 2h1 of the insertion hole 2h of the socket support base 2 into which the lamp socket 1 can be respectively inserted. (Refer to the direction of the arrow in FIG. 14A). In the lighting fixture 10, the claw portions 1 c of the pair of mounting legs 1 b and 1 b of the lamp socket 1 inserted through the pair of insertion holes 2 h and 2 h of the socket support base 2 are respectively connected to the other surface 2 ab side of the socket support base 2. It hooks on each peripheral edge of the 1st hole 2h1 in the insertion hole 2h (refer FIG.13 (e)).

  In the lighting fixture 10 according to the present embodiment, when the flexure of the pair of mounting legs 1b and 1b is loosened in a state where the claw portions 1c are respectively hooked on the peripheral edge portions of the insertion holes 2h on the other surface 2ab side of the socket support base 2. A force is applied in the direction in which the bending is restored due to the elasticity of the leg 1b (see the direction of the arrow in FIG. 14B). In the lighting fixture 10, the lamp socket 1 is rotated with respect to the socket support base 2 (refer to the direction of the arrow in FIG. 14C) in a state where the claw portions 1c are hooked on the peripheral edge portions of the insertion holes 2h. As a result, the mounting legs 1b and 1b slide into the second hole 2h2 communicating with the first hole 2h1 (see FIG. 14C). In the lighting fixture 10, the lamp socket 1 is rotated from the position of the broken line shown in FIG.14 (c) to the position of a dashed-two dotted line.

  In the lighting fixture 10 of the present embodiment, when the lamp socket 1 is mounted on the socket support base 2, there is a gap between the inner edge 2a3 of the second hole 2h2 and the opposite side of the mounting leg 1b in the protruding direction of the claw 1c. Are opposed to each other (see FIG. 13E).

  In the lighting fixture 10, when a large load is applied in a direction in which the lamp socket 1 is pulled from the socket support 2 on the fixture body 11 side, a force is applied in a direction in which the pair of mounting legs 1 b and 1 b approach each other. In the lighting fixture 10 of the present embodiment, the inner edge portion 2a3 is the opposite side of the protruding direction of the claw portion 1c in the mounting leg 1b as a stopper portion 2a that suppresses the pair of mounting legs 1b, 1b from being bent toward each other. Is prevented from bending the mounting leg 1b.

  Thereby, in the lighting fixture 10 of this embodiment, it becomes possible to raise the tensile strength of the lamp socket 1 with which the fixture main body 11 side was mounted | worn more.

  In addition, although the lighting fixture 10 of this embodiment is supporting the lamp socket 1A for electric power feeding and the lamp socket 1B for earthing | grounding using the socket support stand 2 of the same shape, what uses the socket support stand 2 of the same shape is used. Not only. Therefore, the luminaire 10 includes the power supply lamp socket 1A according to the second and third embodiments, in addition to the lamp support 1 according to the first embodiment that supports the grounding lamp socket 1B according to the first embodiment. 2 or the lamp support 2 of the embodiment 3 may be supported.

DESCRIPTION OF SYMBOLS 1 Lamp socket 1a Socket main body 1aa Receiving surface 1ab Back surface 1b Mounting leg 1c Claw part 2 Socket support stand 2a Stopper part 2aa One side 2ab Other side 2a1 Standing piece 2a2 Protrusion part 2a3 Inner edge 2h Insertion hole 2h1 1st hole 2h2 2nd hole 10 Lighting fixture 11 Appliance body 11a Lighting circuit portion 20 Straight tube lamp 21 Tube body 22, 23 Base portion 24, 25 Lamp pin

Claims (3)

A pair of lamp sockets for mounting a straight tube lamp provided with a lamp pin protruding from a base part on one end side of the tube main body and a lamp pin protruding from a base part on the other end side, and a pair for supporting the pair of lamp sockets separately Socket support base, an appliance main body provided with the pair of socket support bases, and a lighting circuit section that is provided in the appliance main body and supplies lighting power to the straight tube lamp via at least one of the pair of lamp sockets. A lighting fixture having
The lamp socket includes a pair of mounting legs that are provided on a box-shaped socket body with a pair of mounting legs protruding to the back side opposite to the receiving surface side receiving the lamp pin of the straight tube lamp. The leg has a claw portion protruding in a direction away from each other at the tip,
The socket support base has a pair of insertion holes through which the pair of mounting legs are inserted from one side, and the pair of mounting legs are inserted through the pair of insertion holes. And a stopper portion that suppresses the pair of mounting legs from bending in a direction approaching each other in a state where the claw portions are respectively hooked on the peripheral edge portions of the insertion holes on the other surface side opposite to lighting equipment.   The stopper portion includes a standing piece standing from the other surface side of the socket support base, and a protruding portion protruding so as to cover the insertion hole from the standing piece, The lighting fixture according to claim 1, wherein bending of the mounting leg is suppressed by contacting an opposite side of the mounting leg in a protruding direction of the claw portion.   The insertion hole has a first hole part through which the mounting leg having the claw part can be inserted, and a second hole part which communicates with the first hole part and has an opening area smaller than the first hole part. The stopper portion is configured by an inner edge portion facing the peripheral edge side in the second hole portion, and the inner edge portion is in contact with the opposite side of the mounting leg in the protruding direction of the claw portion. The lighting fixture according to claim 1, wherein bending of the mounting leg is suppressed by contact.

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