JP3180451B2 - lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a luminaire in which a light control body such as a shade is attached to a luminaire body.

[0002]

2. Description of the Related Art For example, in a ceiling-mounted lighting fixture, as described in Japanese Patent Application Laid-Open No. 60-44903, for example,
There is a device in which a light control body such as a shade having an opening to be attached to the device main body can be attached and detached with one touch.

In the one-touch attachment / detachment of the light control body, a locking member is provided at several peripheral portions of the instrument body, and the edge of the opening of the light control body attached to the instrument body is detachably attached by the locking body. Lock. The locking body is provided on the apparatus main body so as to be movable inward and outward, and is always urged outward by a spring or the like, and has a locking claw that locks an edge of the opening of the light control body. Have. The locking claw is formed with an inclined introduction surface that is pressed against the edge of the opening of the light control body and pressed inward when the light control body is attached. A locking surface is formed that engages and locks the lower surface of the edge of the opening of the light control body in the attached state. In addition, the introduction surface of the locking claw is formed to be flat.

In order to attach the light control body to the lower surface of the apparatus main body, the light control body is put on from below the apparatus main body and pushed up, so that the edge of the opening of the light control body adjusts the introduction surface of the locking claw. Press to move the locking claw inward against the spring, and when the edge of the opening of the light control body is pushed up to the upper part of the locking claw, the locking claw is moved outward by the spring. The light control body is moved, the locking surface of the locking claw receives the lower surface of the edge of the opening of the light control body, and the light control body is supported.

[0005]

However, in the conventional structure, the introduction surface of the locking claw, which comes into contact with the edge of the opening of the light control body, is formed in a flat surface, so that the opening of the light control body is not provided. In the case of a circular shape, the edge of the opening of the light control comes into contact with the corner of the edge of the introduction surface when the light control is mounted. Therefore, it is difficult for the edge of the opening of the light control body to slide smoothly on the introduction surface of the locking claw, and a large push-up force of the light control body is required. Moreover, when the light control body is horizontally rotated to correct the center position shift of the light control body with respect to the appliance body, the edge of the opening of the light control body is horizontally kept in contact with the locking claw. However, it is likely to be caught on the corner of the edge of the introduction surface and is not smooth.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lighting fixture which can easily perform a work of attaching a light control body to a fixture main body.

[0007]

The present invention SUMMARY OF] includes a Seihikaritai having a substantially circular opening; if inclined with respect to the vertical direction together
The introduction surface has a substantially circular arc shape in the horizontal direction.
A locking surface formed to lock the edge of the opening of the light control body
The locking claw that includes the opening surface of the introduction surface and the light control body
Near the edge so that it is displaced by contact with the edge of the
An instrument body that has been shaken; a lamp that is disposed on the instrument body;
Electrical components for turning on the lamp .

[0008]

According to the present invention, in order to attach the light control body to the lower surface of the apparatus main body, the light control body is put on from below the apparatus main body and pushed up, so that the edge of the opening of the light control body is fitted with the locking claw. presses the surface, displaces the locking claw inward of the instrument body, further, the edge of the opening of Seihikaritai is pushed to the top of the locking pawl, the outer side engagement claw is of the instrument body displaced, locking surface of the locking claw is engaged with the edge of the opening of Seihikaritai, Seihikaritai is supported.

At this time, the introduction surface of the locking claw, with which the edge of the opening of the light control body contacts, is inclined with respect to the vertical direction, and
Because there is a substantially circular arc shape in the horizontal direction, while sliding the guide surface smoothly with the edge of the opening is in contact with the guide surface of the locking claw, causes displacement of the locking claw inward of the instrument body The light control body can be easily attached with a light lifting force. In addition, when the light control body is horizontally rotated to correct the center position shift of the light control body with respect to the appliance body, the edge of the opening of the light control body is in contact with the guide surface of the locking claw. Although it moves horizontally as it is, the correction can be made smoothly because the introduction surface is configured as described above.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of an embodiment of the present invention will be described below with reference to the drawings.

In the figure, an instrument mounting surface 1 such as a ceiling includes:
A hooking ceiling 2 is provided. The hooking ceiling 2 is of an embedded type, and has a hooking hole 3 provided on the lower surface thereof, into which a pair of hooking fittings 14 of an adapter 11 described later can be inserted and rotated by a predetermined angle. At the same time, a hook 14
A terminal (not shown) electrically connected to the terminal is provided.

The adapter 11 is formed in a substantially oval horizontal cross section with both side surfaces being flat and both end surfaces being arcuate, and the ceiling mounting portion 12 and the main body mounting portion 13 are at the height of the hooking ceiling 2. It is configured to be able to expand and contract in two stages, upper and lower, according to the type. The pair of hooks 14 is provided on the upper surface of the ceiling mounting portion 12 so as to protrude therefrom. At both ends of the main body mounting portion 13, locking claws 15 are provided so as to always protrude with a built-in spring, and a cylindrical portion protruding from the lower surface of the main body mounting portion 13 is provided.
A release button 17 is projected from 16, and when the release button 17 is pushed into the adapter 11, the pair of locking claws 15 are retracted inward of the main body mounting portion 13. Further, on the lower surface of the main body mounting portion 13, terminal insertion holes 18 are formed at both sides of the cylindrical portion 16, and inside the terminal insertion holes 18, a blade receiving member (not shown) which is always connected to the hook metal 14 is provided. Has been established.

Reference numeral 21 denotes a tool body. The tool body 21 is formed in a disc shape, and has a concave portion 22 in the center portion and an opening 23 in the concave portion 22 having a shape through which the adapter 11 can be inserted. An annular flange portion 24 is formed.
An elastic member 25 is attached to the tip of 24.

An adapter receiving member 31 is screwed and fixed below the opening 23 of the instrument body 21. The adapter receiving member 31 is made of an insulating synthetic resin, is formed in a cylindrical shape to which the adapter 11 can be fitted, and has an engaging step portion at which the locking claw 15 of the adapter 11 is engaged at both ends of the inner wall surface. A blade holding portion 34 having holding holes 33 on both sides of the lower edge portion is formed so as to protrude opposite to each other.

A reflector 41 is attached to the lower surface of the instrument body 21. The reflector 41 is formed in a substantially conical shape, and a concave groove-shaped holder mounting portion 42 passing through a vertex portion is formed on the lower surface,
At the center of the holder mounting portion 42, a tubular portion 43 that opens vertically and is fitted to the lower edge of the adapter receiving member 31 is formed, and a connection hole 45 in which a connector 44 faces the upper surface of one end of the holder mounting portion 42. Is formed.

An adapter stopper 46 is integrally bridged on the upper edge of the cylinder 43 in a bridge state. The adapter stopper 46 has an insertion hole 47 in the center through which the cylinder 16 of the adapter 11 is inserted. A partition plate 49 is formed on both sides of the insertion hole 47. Then, terminal fittings 50 are fixed to the upper portions of the cylindrical portions 43 at both ends of the adapter stopper 46 by screws 51, and the terminal fitting 50 is insulated between the upper surface of the adapter stopper 46 and the blade holder 34. A plug blade that is positioned and held and rises in an approximately L-shape from the tip
52 protrudes upward through the holding hole 33 of the blade holder 34.

On the lower surface of the reflector 41, a light receiving surface 54 of a remote control unit housing 53 is formed on one side of the cylindrical portion 43 so as to be parallel to a horizontal plane. A signal receiving sensor or the like is arranged, and a connection hole 56 on the other side of the cylindrical portion 43 with the socket 55 facing the inside.
The nightlight 57 is connected to the socket 55 through the connection hole 56.

A printed wiring board 58 on which electric components of a lighting circuit are mounted is mounted inside the reflector 41, and a terminal fitting 50 is connected to a power input section of the printed wiring board 58, and a lamp drive output section. Connector 44 is connected.

Further, at the symmetrical position of the peripheral portion of the instrument body 21,
A locking member 61 that detachably locks a shade 101 as a light control body to be described later with respect to the apparatus main body 21 is attached. The locking body 61 has a pair of locking claws 62. The locking claw 62 has an introduction surface 63 on the lower surface side formed to be inclined with respect to the vertical direction and a locking surface 64 on the upper surface. Formed in a horizontal plane,
The upper end portions of the pair of locking claws 62 are integrally connected by a connecting portion 65, and a release lever 66 is provided on the outer surface of the connecting portion 65, and a guide portion 68 having a concave portion 67 is provided on the inner surface thereof. ing.

The horizontal cross section of the introduction surface 63 of the pair of locking claws 62 and the front end surface 63a continuous with the upper end of the introduction surface 63 is as follows.
An approximate circle having the same curvature as the curvature of the flange 103 of the seed 101
It is formed in an arc shape .

Then, the release lever 66 is projected outward from the instrument through an insertion hole 69 formed in the flange portion 24 of the instrument body 21, and the guide portion 68 is screwed to the lower surface of the instrument body 21.
Fitted and supported inside the support member 71 fixed by 70, the locking body 61 is movably supported inside and outside the device, and between the recess 67 of the guide portion 68 and the inside of the support member 71. spring
The intervening member 72 is normally urged to move the locking member 61 outward of the device.

A receiving member 73 having a substantially U-shaped cross section is attached to the inside of the insertion hole 69. The receiving member 73 guides the sliding of the release lever 66. To prevent pests and dust from entering the inside of the device.

Reference numeral 75 denotes a ring-shaped discharge lamp as a lamp. The ring-shaped discharge lamp 75 is, for example, of two lamps of 40 W and 32 W, and is 45 ° inward from a base 77 provided at one place of the arc tube 76. A lamp pin 78 protrudes toward the direction.

Reference numeral 81 denotes a lamp holder.
Has a base 82 fitted in the center of the holder mounting portion 42,
Arms 83 project from both ends of the base 82. On both sides of the base 82, locking claws 84 are provided, which are detachably engaged with the inner wall of the holder mounting portion 42.

A connector 85 connected to the connector 44 is protruded at the upper part of the arm 83, and a pair of sockets 86 connected to the ring-shaped discharge lamp 75 are provided at a lower part in a direction substantially 45 ° with respect to the horizontal direction. It protrudes toward. Each socket
A connection hole 86a into which the lamp pin 78 of the annular discharge lamp 75 is inserted is formed in the end face of the same at approximately 45 ° with respect to the horizontal direction similarly to the socket 86, and a pin receiving terminal (not shown) is provided inside the connection hole. It is arranged.

Further, a pair of holders 87 elastically fitted around the base 77 from the upper and lower edges of the end face of each socket 86 are formed to protrude, respectively. This holder part 87 is
It has a length that fits over half of the circumferential surface of 77, is formed in an arc shape slightly smaller than the diameter of the base 77, and is formed thinner toward the tip to provide elasticity. The line connecting them is substantially perpendicular to the direction in which the socket 86 protrudes, and the open portion 88 is provided corresponding to the direction in which the lamp pin 78 is inserted into and removed from the socket 86.

The connector 85 and the pin receiving terminal of each socket 86 are connected through the inside of the arm 83.

A holding lever 89 for holding the arc tube 76 of the annular discharge lamp 75 is attached to the lower part of the other arm 83. The holding lever 89 is made of, for example, a metal having elasticity, and is a holder part that fits and holds the inside and the lower part of the arc tube part 76 from a mounting piece 90 attached to the arm part 83.
91 are provided.

At the ends of both arms 83, a tool body is provided.
A substantially planar grounding portion 93 is formed which can be mounted upside down on a mounting portion 92 such as a desk surface or a floor surface, which is inverted upside down when the device is mounted on the device 21.

The shade 101 has a light-transmitting property and can surround the entire lower surface of the instrument main body 21.
An opening 102 to be attached to the opening 21 is formed. A flange 103 having a diameter slightly smaller than the flange 24 of the instrument body 21 is formed at an edge of the opening 102, and a horizontal step 10 is formed.
4 is formed.

Next, the operation of this embodiment will be described.

In mounting the appliance main body 21 on the appliance mounting surface 1, first, the adapter 11 is set to expand and contract according to the height type of the hooking ceiling 2 and attached to the hooking ceiling 2. This mounting is performed by inserting the pair of hooks 14 into the pair of hook holes 3 on the lower surface of the hooking ceiling 2 and rotating the hooks 14 by a predetermined angle so that the hooks 14 are engaged with the hooking ceiling 2 and connected to the built-in terminals. Is done.

The upper end opening of the adapter receiving member 31 of the instrument body 21 is pushed up in accordance with the lower part of the adapter 11 so that the adapter receiving member 31 fits outside the adapter 11 and projects from the side surface of the adapter 11. Locking claw 15
Engages with the engagement step 32 of the adapter receiving member 31, and the instrument body 21
Are supported by the adapter 11.

In this supporting state, the release button 17 protruding from the lower surface of the adapter 11 protrudes downward from the adapter stopper 46, and the plug blade 52 of each terminal fitting 50 is inserted into the terminal insertion hole 18 of the adapter 11 through the terminal insertion hole 18 of the adapter 11. Connected to blade support.

Next, by inserting the lamp holder 81 on which the annular discharge lamp 75 is mounted into the holder mounting portion 42 of the reflector 41 from below, the locking claw 84 is locked inside the holder mounting portion 42. Mounted.

Next, as shown in FIG. 2, each of the locking members provided at two places of the instrument main body 21 by the flange portion 103 by pushing the shade 101 from below the instrument main body 21 and pushing it up.
When the introduction surface 63 of the locking claw 61 is pressed, the locking body 61 is moved inward against the spring 72, and when the flange portion 103 is pushed up to the upper part of the locking claw 62, The locking claw 62 is moved outward by the spring 72, and the locking surface 64 of the locking claw 62 receives the lower surface of the step portion 104 of the shade 101, and the shade 101
Is supported.

At this time, since the introduction surface 63 of the locking claw 62 with which the flange portion 103 of the shade 101 abuts is formed to have the same curvature as that of the flange portion 103, the flange portion 103 is formed on the introduction surface of the locking claw 62. 63, and the flange 103 is
The sliding surface 63 can be smoothly slid to move the locking claw 62 inward, and the shade 101 can be easily attached. Moreover, when the shade 101 is horizontally rotated to correct the center position deviation of the shade 101 with respect to the instrument body 21, the flange 103 of the shade 101 remains in contact with the introduction surface 63 of the locking claw 62. Although it moves in the horizontal direction, the correction can be made smoothly because the introduction surface 63 is configured as described above.

On the other hand, when replacing the lamp, the locking members 61 are moved inward by operating the release levers 66 protruding from both sides of the appliance main body 21 inward, thereby moving the locking members 61 inward. Unlock Sade 101 with 62
1 is removed from the instrument body 21.

Next, the locking of the locking claws 84 is released by holding both sides of the base 82 of the lamp holder 81, and the lamp holder 81 is moved downward and removed from the reflector 41.

Then, the removed lamp holder 81 is
With the upper and lower surfaces upside down with the 82 held, as shown in FIG. 8, the grounding section 93 at the tip of both arms 83 is placed on a mounting surface 92 such as a desk or a floor, and lamp replacement work is performed.

In this lamp replacement operation, the base 77 of the ring-shaped discharge lamp 75 to be removed is fixed to the socket 86 by the lamp pin 78.
The holders 87
After pulling it out of the opening 88 while pushing the
Remove the arc tube 76 from 89. Next, in order to mount the newly mounted annular discharge lamp 75, the arc tube portion 76 must be held by the holding lever 89.
After the fitting, the base 77 is moved from the opening 88 of both holders 87 in the direction of insertion of the lamp pin 78 into the socket 86, so that the bases 77 are extended while pushing the holders 87 together. Fits between and inserts lamp pin 78 into socket
Insert and connect to 86.

The holders 87 of the socket 86 are connected to the bases.
By forming the length to fit more than half of the circumferential surface of the 77, the holding of the base 77 can be ensured. On the other hand, setting both the holder portions 87 in this manner poses a problem in attaching and detaching the base portion 77, but since the both holder portions 87 are formed to be thinner toward the tip end and have elasticity, the lamp replacement is required. Base part
77 can be easily attached and detached. Moreover, since the opening portion 88 of the holder portion 87 is provided corresponding to the direction of insertion and removal of the lamp pin 78 with respect to the socket 86, the insertion and removal of the lamp pin 78 and the base portion 77 can be performed simultaneously from the same direction. Also in this regard, it is possible to easily attach and detach the base 77 when replacing the lamp.

When the appliance body 21 is mounted on the adapter 11, the release button 17 of the adapter 11 faces the center of the holder mounting portion 42 of the reflector 41. The release button 17 is mounted on the lamp holder 81 mounted on the holder mounting portion 42. 17 can be concealed, and the fixture main body 21 cannot be removed unless the lamp holder 81 is removed, thereby preventing the fixture main body 21 from being dropped due to an erroneous operation when replacing the lamp.

Further, the remote control unit housing 53 is provided with a light receiving surface.
Since 54 is formed on the lower surface of the substantially conical reflector 41 as being parallel to the horizontal plane, the remote control unit can be efficiently stored in the remote control unit storage section 53, and is arranged facing the light receiving surface 54. The remote control signal light receiving performance of the light receiving sensor can be improved.

Further, a terminal fitting 50 is arranged between the adapter stopper 46 formed integrally with the reflector 41 and the blade holder 34 of the adapter receiving member 31 separate from the reflector 41, and the blade holder Since the blade 52 of the terminal fitting 50 is projected upward through the holding hole 33 of the part 34, the positioning of the blade 52 with respect to the adapter 11 and insulation protection can be performed.

[0046]

According to the present invention, the inlet surface of the engaging claw vertical
Since <br/> which was substantially arcuate in a horizontal direction while inclined with respect to the direction, when mounting the Seihikaritai the instrument body, smooth leading surface with the edge of the opening is in contact with the guide surface of the locking claw , And the locking claw can be displaced inward of the device main body , and the light control body can be easily attached with a small pushing force. In addition, when the light control body is horizontally rotated to correct the center position shift of the light control body with respect to the appliance body, the edge of the opening of the light control body is in contact with the guide surface of the locking claw. Although it will be moved in the horizontal direction while the introduction surface Ru can modifications smoothly which is configured as described above. Therefore,
The work of attaching the control light body of the instrument body as possible out easily.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a lighting fixture of the present invention.

FIG. 2 is a perspective view of a part of a joint portion between the instrument body and the shade according to the embodiment.

FIG. 3 is a cross-sectional view of a part of the assembled state of the embodiment.

FIG. 4 is an exploded perspective view of the apparatus main body and the reflector of the embodiment.

FIG. 5 is a sectional view of a part of a portion of the adapter receiving member of the embodiment.

FIG. 6 is a perspective view of a part of the reflector of the embodiment.

FIG. 7 is a partial sectional view of the assembled state of the embodiment.

FIG. 8 is a side view showing a grounded state of the lamp holder of the embodiment.

[Explanation of symbols]

21 Device main body 58 Printed wiring board on which electric components are mounted 62 Locking claw 63 Introducing surface 64 Locking surface 75 Ring-shaped discharge lamp as lamp 101 Shade as light control body 102 Opening

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) F21V 17/00

Claims (1)

(57) [Claims] 1. A and Seihikaritai having a generally circular opening; a substantially arc shape in the horizontal direction together with the inclined with respect to the vertical direction
Of the light control body formed continuously on the
Latch comprising a locking surface for locking the edge of the opening
The nail is brought into contact with the introduction surface and the edge of the opening of the light control body.
A lighting fixture comprising : a fixture main body provided in the vicinity of a peripheral portion so as to be displaced; a lamp disposed on the fixture main body; and an electric component for lighting the lamp .