JP6575331B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture.

Conventionally, lighting fixtures that illuminate various signs such as canopy signs, parapet signs, and facade signs, or sign advertisements are known (see, for example, Patent Document 1).
In this type of lighting fixture, in order to prevent damage to the light-transmitting cover that closes the exit opening, a guard having a cover member spanned over the light-transmitting cover is provided to protect the light-transmitting cover. .

Japanese Patent Laid-Open No. 2014-212024

In the conventional lighting fixture, it was common to fasten and attach the guard for protecting the light transmissive cover to the lighting fixture body with a plurality of screws. In addition, since such lighting fixtures are often used in high places, if the guard is fastened to the lighting fixture body with a plurality of screws, the guard can be prevented from falling by another member such as a wire. It was necessary to plan. Thus, in the structure which fastens a guard to a lighting fixture main body with a some screw | thread and aims at the fall prevention countermeasure by another member, the workability of the guard was bad.
This invention is made | formed in view of the situation mentioned above, and aims at providing the lighting fixture which improved the construction property of the guard.

  In order to achieve the above-mentioned object, the present invention provides a lighting apparatus, wherein an exit opening and a flange surrounding the exit opening are provided on the front surface, an instrument main body that houses a light source, a frame part, and a guard provided on the frame part. A guard disposed on the front surface of the instrument body, and a fixture for fixing the guard to the instrument body, and a frame part of the guard, the hook part hooked on the flange, A bent piece projecting to the outside of the frame, and the fixture engages with the bent piece of the guard, and engages the guard by bending the bent piece. It is provided with.

  The present invention is characterized in that in the above-mentioned lighting apparatus, the guard and the fixture are fastened with screws.

  The present invention is characterized in that, in the above-mentioned lighting apparatus, the fixture has a lamp clamping part for clamping the flange.

  The present invention is characterized in that the bent piece is provided on both sides of a fastening position where the guard and the fixture are fastened with screws.

  The present invention is characterized in that, in the above-described lighting apparatus, fastening positions for fastening the guard and the fixing tool with screws are provided on both sides of the bent piece.

  According to the present invention, the guard can be temporarily fixed by being hooked to the flange of the instrument body, and the guard can be easily fixed to the instrument body by bending the bent piece of the guard engaged with the engaging portion of the fixture. be able to. Thereby, it is not necessary to fasten the guard to the fixture main body of the lighting fixture with a plurality of screws, and to take measures to prevent the fall by a separate member, and it is possible to provide a lighting fixture with improved guard workability.

It is a perspective view which shows the lighting fixture which concerns on embodiment of this invention. It is a figure which shows a lighting fixture, (A) is a front view, (B) is a top view, (C) is a bottom view. It is a front view which shows the lighting fixture of the state which removed the guard. It is a figure which shows a guard, (A) is a front view, (B) is a top view, (C) is a bottom view, (D) is a left side view, (E) is a right side view, (F) is a back view. It is. It is a figure which shows a fixing tool, (A) is a front view, (B) is a top view, (C) is a right view. It is a figure which shows the state which fastened the guard and the fixing tool, (A) is a front view, (B) is a top view, (C) is a bottom view, (D) is a left side view, (E) is a right side view. FIG. 4F is a rear view. It is a figure which shows the lighting fixture of the modification 1. It is a figure which shows a fixing tool, (A) is a right view which shows the fixing tool of embodiment, (B) is a right view which shows the fixing tool of a modification, (C) is a front view which shows the fixing tool of a modification. FIG. It is a figure which shows the lighting fixture of a modification, (A) is a front view which shows the lighting fixture of the modification 2 provided with the circular fixture main body, (B) is the lighting fixture of the modification 3 provided with the circular fixture main body. (C) is a front view which shows the lighting fixture of the modification 4 provided with the circular instrument main body.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing a lighting fixture 1 according to an embodiment of the present invention, FIG. 2 is a three-view diagram of the lighting fixture 1, and FIG. 3 is a front view showing the lighting fixture 1 with a guard 50 removed.
Although not shown, the lighting fixture 1 is a lighting fixture as a so-called projector that projects and illuminates a surface to be irradiated such as a signboard, and is attached to a wall surface of a building, for example. The luminaire 1 may be used either outdoors or indoors. The luminaire 1 can be used by being arranged above a surface to be irradiated that is separated by a predetermined distance from the surface to be irradiated to the front side using an arm-like fixing device (not shown).

  The lighting fixture 1 is provided with the fixture main body 11 and the arm connection part 12, as shown in FIGS. The instrument body 11 has a rectangular housing 13 that is horizontally long when viewed from the front. The housing 13 is formed into a box shape from a material having high thermal conductivity and high heat dissipation, for example. A horizontally-long rectangular emission opening 14 is provided on the front surface of the casing 13, and a light source 18 is disposed on the bottom surface of the casing 13 facing the emission opening 14. A light transmissive cover 35 that covers and closes the emission opening 14 is provided on the front surface of the housing 13. The light-transmitting cover 35 is configured as a light-transmitting cover whose portion corresponding to the emission opening 14 is made of, for example, a glass material, and the light-transmitting cover is screwed to the front surface of the housing 13 with a screw. The frame portion is integrally formed with, for example, two-color molding. A guard 50 that protects the light-transmitting cover 35 is provided on the front surface of the housing 13. A heat radiating body 24 having a large number of heat radiating fins 22 is fixed in close contact with the back surface 13A of the housing 13, and heat generated by the light source 18 is conducted to the heat radiating body 24 and is radiated from the heat radiating body 24 to the outside air. .

  The arm connecting part 12 is a part that fixes the instrument body 11 to a fixing tool (not shown) in a freely rotatable manner, and includes an arm fixing part 27, a housing fixing part 28, and a rotation fixing tool 29. The housing fixing portion 28 is fixed to the back surface 13A of the housing 13 and is rotatably supported by the arm fixing portion 27. The rotation fixing tool 29 is a component that disables the rotation of the arm fixing portion 27 with respect to the housing fixing portion 28, and is, for example, a fixing bolt that fixes the arm fixing portion 27 to the housing fixing portion 28 in a non-rotatable manner.

  The light source 18 includes a COB type LED (COB: Chip On Board) 20 having high directivity and high output. In addition to the COB type LED 20, one or a plurality of light emitting elements such as various LEDs and organic EL can be used as the light source 18. In addition to these, the light source 18 may be one or a plurality of lamp-type light sources such as an LED lamp, an organic EL lamp, and a reflector-equipped HID lamp. A reflection surface 65 that diffuses and reflects light from the light source 18 toward the irradiated surface is provided inside the housing 13.

A flange 36 formed in a frame shape is provided on the front surface of the housing 13 so as to surround the emission opening 14 and protrude outward from the edge of the emission opening 14. The flange 36 may be formed integrally with the housing 13.
The guard 50 includes a frame portion 51 that is disposed in front of the flange 36. The frame portion 51 is formed in a frame shape that matches the front shape of the flange 36, and has an opening corresponding to the emission opening 14. Further, the guard 50 includes a bumper portion 52 (guard member) that extends from the frame portion 51 and is bridged in a lattice shape above the emission opening 14 when attached to the instrument body 11. The guard 50 serves to protect the light-transmitting cover 35 that closes the emission opening 14 by the bumper portion 52.

  Moreover, the guard 50 has the hook part 53 extended from a part of outer edge of the frame part 51, as shown in FIG. The hook portion 53 is formed integrally with the guard 50 and is formed in a substantially rectangular plate shape so as to be continuous with one side in the longitudinal direction of the frame portion 51. The hook portion 53 is bent in a substantially right angle to the frame portion 51 and is formed in a substantially L shape in a side view of the guard 50 with its end portion further bent to the back side of the frame portion 51 (FIG. 4D ), (E)). As shown in FIG. 2B, the hook portion 53 is configured to be hooked on one side in the longitudinal direction of the flange 36 so that the guard 50 can be locked to the instrument body 11. The hook portion 53 includes an upper surface portion 53A that contacts the side surface 36A of the flange 36, and a hook piece 53B that is hooked on the rear surface 36C of the flange 36. The upper surface portion 53A is set to a width corresponding to the thickness t of the flange 36 and the light-transmitting cover 35 attached to the front surface 36B of the flange 36. When the hook portion 53 is hooked on the flange 36, the frame portion 51 is on the front surface 36B of the flange 36, the upper surface portion 53A of the hook portion 53 is on the side surface 36A of the flange 36, and the hook piece 53B is on the back surface 36C of the flange 36. They are arranged so as to face each other. Further, the front end portion 53C of the hook piece 53B is slightly bent in a direction away from the rear surface 36C of the flange 36 when the hook portion 53 is hooked on the flange 36, and the hook portion 53 is easily hooked on the flange 36.

Further, the frame portion 51 of the guard 50 is provided with a bent piece 55 protruding outward on one side different from the one side on which the hook portion 53 is provided. The bent piece 55 is formed integrally with the frame portion 51. Further, it is desirable that the bent piece 55 is provided on a side opposite to the one side on which the hook portion 53 is provided when the casing 13 is a rectangular shape that is horizontally long when viewed from the front. In addition, it is desirable that at least two bent pieces 55 are provided with a predetermined interval between each other, and the two bent pieces 55 are provided at symmetrical positions in the front view of the guard 50. Is desirable.
Further, the frame portion 51 of the guard 50 is provided with a notch 56 that avoids a screw for screwing the light-transmitting cover 35 to the flange 36 along the outer edge. When there are a plurality of screwing positions where the light-transmitting cover 35 is screwed to the flange 36, the frame portion 51 is provided with a notch 56 at a position corresponding to each screwing position.

  FIG. 5 is a view showing a fixture 60 for fixing the guard 50 to the instrument body 11. The fixture 60 is formed by bending a plate-like member into a substantially L shape in a side view (see FIG. 5C). The fixture 60 includes a back surface contact portion 61 that contacts the back surface 36 </ b> C of the flange 36 and a side surface contact portion 62 that contacts the side surface 36 </ b> A of the flange 36 when attached to the instrument body 11. The side contact portion 62 is provided with an engaging portion 63 with which the bent piece 55 of the guard 50 is engaged. In this embodiment, the engaging part 63 is configured in the form of an insertion hole into which the bent piece 55 is inserted. As long as the engaging part 63 is configured to be able to engage with the bent piece 55, the engaging part 63 is not limited to the form of the insertion hole, but may be another form such as a notch. In the back contact portion 61, the flange 36 is disposed between the frame portion 51 of the guard 50 and the back contact portion 61 when the bent piece 55 of the guard 50 is engaged with the engaging portion 63. Configured as follows.

  When attaching the guard 50 to the instrument main body 11, first, the hook portion 53 is hooked on the flange 36 to temporarily fix the guard 50 to the instrument main body 11. Next, the bent piece 55 of the guard 50 is inserted into and engaged with the hole of the engaging portion 63 of the fixture 60, and the flange 36 is sandwiched between the frame portion 51 and the back surface contact portion 61. With the side surface contact portion 62 of the fixture 60 and the side surface 36A of the flange 36 in contact with each other, the bent piece 55 is bent toward the back surface 36C side of the flange 36 as shown in FIG. The guard 50 and the fixture 60 are locked, and the guard 50 is fixed to the instrument body 11. According to these configurations, the guard 50 can be temporarily fixed by being hooked on the flange 36 of the instrument main body 11, and the guard folding piece 55 engaged with the engaging portion 63 of the fixture 60 can be bent to thereby protect the guard 50. And the fixing tool 60 can be latched. Thereby, the guard 50 can be easily fixed to the instrument main body 11 without using a tool.

  As shown in FIGS. 4 and 5, the guard 50 and the fixture 60 include fastening pieces 54 and 64 having screw holes 54A and 64A for fastening the guard 50 and the fixture 60 with screws. . The fastening piece 54 is formed integrally with the guard 50, continues to the frame portion 51, and protrudes in a plate shape outside the frame portion 51. The fastening piece 54 is desirably provided on the side facing the one side on which the hook portion 53 is provided when the casing 13 is a rectangular shape that is horizontally long when viewed from the front. Moreover, it is desirable that the above-described bent pieces 55 are provided on both sides of the fastening piece 54. The fastening piece 64 is formed integrally with the fixture 60, and is formed by bending a piece continuous to the side contact portion 62 at a substantially right angle in the direction opposite to the back contact portion 61.

  FIG. 6 is a view showing a state in which the guard 50 and the fixture 60 are combined. As shown in FIG. 6, the fastening pieces 54 and 64 are provided at positions corresponding to each other when the bent piece 55 of the guard 50 is engaged with the engaging portion 63 of the fixture 60. The guard 50 is fixed to the instrument main body 11 by bending the bent piece 55 engaged with the engaging portion 63 of the fixing tool 60. However, the guard 50, the fixing tool 60, and / or the instrument 50 are not limited to this. A so-called chatter noise may be generated between the main body 11 due to vibrations or the like. In the present embodiment, by fastening the fastening piece 54 of the guard 50 and the fastening piece 64 of the fixture 60 with screws, the adhesion between the guard 50, the fixture 60, and the instrument body 11 can be improved. , Can prevent the chatter noise.

As described above, the guard 50 sandwiches the flange 36 between the frame portion 51 and the hook piece 53B of the hook portion 53 and between the frame portion 51 and the back surface contact portion 61 of the fixture 60 at the opposing position. Thus, it is attached to the instrument body 11.
Further, as shown in FIG. 1, a pair of screw margins 37 for screwing the light-transmitting cover 35 to the flange 36 is formed on one side of the flange 36 to which the hook portion 53 is hooked. The hook portion 53 is configured to be hooked on the flange 36 between the pair of screw margins 37. According to this configuration, when the hook portion 53 is hooked on the flange 36, the movement of the hook portion 53 in the sliding direction is restricted by the screw allowance 37. A pair of screw allowances 37 for screwing the light-transmitting cover 35 to the flange 36 is also formed on one side of the flange 36 to which the fixture 60 is attached. The fixture 60 is configured such that a side contact portion 62 is provided between the pair of screw margins 37, and movement of the fixture 60 in the sliding direction is restricted by the screw margins 37.

As shown in FIG. 7, the guard 50 is configured so that it can be attached to the instrument body 11 regardless of whether the hook portion 53 of the guard 50 and the fixture 60 are arranged in the vertical direction of the instrument body 11. Is done. For this reason, according to the attachment direction with respect to the to-be-irradiated surface of the instrument main body 11, the guard 50 can be attached to the instrument main body 11 in a direction with good workability.
In addition to the substantially L-shaped side view shown in FIG. 8A, the fixture 60 is formed in a substantially U-shaped side view like the fixture 160 shown in FIG. 8B. May be. The fixture 160 includes a back surface contact portion 161 that contacts the back surface 36C of the flange 36, and a front surface contact portion 164 that is disposed to face the back surface contact portion 161 and contacts the front surface 36B of the flange 36. The fixture 160 is configured to include a back surface contact portion 161 and a front surface contact portion 164, and the lamp fixture that sandwiches the frame portion 51 and the flange 36 between the back surface contact portion 161 and the front surface contact portion 164. Part 165. According to this configuration, the frame portion 51 and the flange 36 can be held together by the lamp clamping portion 165 of the fixture 160, and the frame portion 51 can be firmly fixed to the flange 36.
In addition, the bent piece 55 is not limited to the configuration in which the guard 50 and the fixing device 60 are provided on both sides across the fastening position where the guard 50 and the fixing device 60 are fastened with screws, and the bent piece 55 is fixed to the guard 50 as shown in FIG. The structure which provided the fastening position which fastens the tool 60 with a screw | thread on both sides on both sides of the bending piece 55 may be sufficient.

  Further, as shown in FIG. 9, the instrument main body 111 may have a configuration including a casing 113 having a circular shape in front view. When the housing 113 has a circular shape when viewed from the front, as shown in FIG. 9A, the guard 150 includes an annular frame portion 151 having an opening corresponding to the circular emission opening 114, and a frame portion 151. A bumper portion 52 (guard member) is provided. The guard 150 includes a hooking portion 153 that is hooked on a flange (not shown) that is formed integrally with the housing 113, a bent piece 55 that is provided at a position facing the hooking portion 153, and a fastening piece 154. The hook portion 153 is formed in an arc shape along the side surface of the flange of the housing 113. The guard 150 is engaged with the engaging portion 163 of the fixture 160 formed in an arc shape along the side surface of the flange of the housing 113, and the bent piece 55 is bent to be attached to the instrument main body 111. It is attached.

  As shown in FIG. 9B, the instrument main body 111 may have a configuration in which a plurality of screw allowances 137 for screwing a light-transmitting cover that closes the emission opening 114 to the flange are provided on the outer periphery. . And the structure which arrange | positions the hook part 153 and the fixing tool 160 between the screw allowances 137, and controls the rotation of the guard 150 with the screw allowances 137 may be sufficient. Further, as shown in FIG. 9C, a configuration may be adopted in which the hooks 153 are provided on both sides of the screw margin 137 so as to restrict the rotation of the guard 150.

  As described above, according to the embodiment to which the present invention is applied, in the lighting fixture 1, the emission opening 14 and the flange 36 surrounding the emission opening 14 are provided on the front surface, A frame 51 and a bumper 52 as a guard member provided on the frame are provided, and a guard 50 disposed on the front surface of the instrument main body 11 and a fixture 60 for fixing the guard 50 to the instrument main body 11 are provided. The frame portion 51 of the guard 50 is provided with a hook portion 53 that is hooked on the flange 36 and a bent piece 55 that protrudes outside the frame portion 51, and the fixture 60 is a bent piece of the guard 50. 55 and an engaging portion 63 that locks the guard 50 by bending the bent piece 55. According to this configuration, the guard 50 can be temporarily fixed to the instrument body 11 by a simple operation of hooking the hook portion 53 on the flange 36. Further, the guard 50 can be easily fixed to the instrument body 11 by bending the bent piece 55 of the guard 50 engaged with the engaging portion 63 of the fixture 60. As a result, the guard 50 can be fastened to the fixture body 11 of the lighting fixture 1 with a smaller number of screws than before, and there is no need to take measures to prevent the fall by a separate member, thereby improving the workability of the guard 50. The instrument 1 can be provided.

  In addition, according to the embodiment to which the present invention is applied, since the guard 50 and the fixture 60 are fastened with screws, a so-called chatter noise is generated between the guard 50 and the fixture 60 due to vibration or the like. Can be prevented.

  In addition, according to the embodiment to which the present invention is applied, the fixture 60 has the lamp clamping part 165 that sandwiches the flange 36, and therefore it is easy to sandwich the flange 36 together with the frame part 51 of the guard 50 by the lamp clamping part 165. The guard 50 can be fixed to the instrument body 11.

  Further, according to the embodiment to which the present invention is applied, the bent pieces 55 are provided on both sides of the fastening position where the guard 50 and the fixture 60 are fastened with screws. According to this configuration, since the guard 50 and the fixing tool 60 are fastened with screws between positions where the guard 50 and the fixing tool 60 are locked with each other, the guard 50 and the fixing tool 60 are connected to each other. It can be stably bonded.

  Moreover, according to the embodiment to which the present invention is applied, the fastening positions for fastening the guard and the fixture with screws are provided on both sides of the bent piece. According to this configuration, since the guard 50 and the fixing tool 60 are fastened with screws on both sides of the position where the guard 50 and the fixing tool 60 are locked to each other, the guard 50 and the fixing tool 60 are connected to each other. It can be stably bonded.

  The above-described embodiment is merely an example of one aspect of the present invention, and can be arbitrarily modified and applied within the scope of the gist of the present invention.

  For example, in the above-described embodiment, the light source 18 is disposed substantially at the center of the bottom surface 16 of the housing 13. However, a configuration in which a plurality of light sources 18 are provided on the bottom surface 16 of the housing 13 with a space therebetween may be employed. In the above-described embodiment, the lighting apparatus 1 is a so-called projector that performs floodlighting. However, the present invention is not limited to this, and the lighting apparatus 1 can be used for any lighting apparatus.

DESCRIPTION OF SYMBOLS 1 Lighting fixture 11, 111 Appliance main body 14,114 Output opening 18 Light source 36 Flange 36B Front surface 36C Back surface 50, 150 Guard 51, 151 Frame part 52 Bumper part (guard member)
53, 153 Hooking part 54, 154 Fastening piece 55 Bending piece 60, 160 Fixing tool 61, 161 Back surface contact part 63, 163 Engaging part 64, 164 Fastening piece 165 Lamp clamping part

Claims (5)

An exit opening and a flange surrounding the exit opening are provided on the front surface, and an instrument main body that houses the light source;
A guard member provided on the frame part and a guard member provided on the frame part, and a guard disposed on the front surface of the instrument body;
A fixture that fixes the guard to the instrument body, and a frame portion of the guard includes a hook portion that is hooked on the flange, and a bent piece that protrudes outside the frame portion. ,
The fixture includes an engaging portion that engages with the bent piece of the guard and locks the guard by bending the bent piece.   The lighting fixture according to claim 1, wherein the guard and the fixture are fastened with screws.   The lighting fixture according to claim 1, wherein the fixture has a lamp clamping portion that sandwiches the flange.   The lighting device according to claim 2 or 3, wherein the bent piece is provided on both sides of a fastening position where the guard and the fixture are fastened with screws. The lighting apparatus according to claim 2 or 3, wherein a fastening position for fastening the guard and the fixture with screws is provided on both sides of the bent piece.

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