JPH0645040A - Lamp socket - Google Patents

Abstract

(57) [Abstract] [Purpose] To securely hold the base portion of the ring-shaped lamp 71 and to easily attach and detach the base portion. [Structure] A pair of holder portions 87 for fittingly holding the base portion of the ring-shaped lamp 71 are projectingly provided from both sides of the socket portion 86b. The pair of holder parts 87 are respectively formed to have a length that fits over half or more of the peripheral surface of the base part of the ring-shaped lamp 71, and are provided such that their tip parts are elastically deformable in the facing and separating directions.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a lamp socket for an annular lamp.

[0002]

2. Description of the Related Art Conventionally, in a luminaire using a ring-shaped lamp, a lamp socket is integrally connected and held by a lamp socket, and an arc tube portion symmetrical to the ring-shaped lamp cap is made of metal. There is an instrument structure that is held by a holder made of a spring material or the like.

Conventionally, a lamp socket in which the cap portion of a ring-shaped lamp can be integrally connected and held is, as described in, for example, Japanese Utility Model Laid-Open No. 63-20385, oblique with respect to the main body of the lamp. A socket part is provided that projects downwards and has a socket for inserting and connecting the lamp pin projecting from the base part of the ring-shaped lamp at the tip of the socket part. A holder portion that is fitted to the side is integrally projected, and a holding spring that is fitted to the outer surface side of the base portion and presses in the lamp pin inserting direction is attached to the socket portion.

[0004]

In the structure of the conventional lamp socket, the holding spring can be used to surely hold the base portion of the annular lamp, but a holding spring which is a separate member is required and the holding spring is used. A work process for attaching the socket to the socket is required, resulting in high cost.

Further, since the holding spring is constructed so as to face the insertion hole of the socket portion and press the base portion in the lamp pin insertion direction, the holding spring interferes with the attachment and detachment of the base portion.

The present invention has been made in view of the above circumstances, and provides a lamp socket which can surely hold the base portion of a ring-shaped lamp with an inexpensive structure and can easily attach and detach the base portion of the ring-shaped lamp. It is intended to be provided.

[0007]

SUMMARY OF THE INVENTION According to the present invention, there is provided a socket portion having an insertion hole for inserting and connecting a lamp pin projecting from a base portion of a ring-shaped lamp, and a base portion of the ring-shaped lamp projecting from both sides of the socket portion. A pair of holder parts for fitting and holding, wherein the pair of holder parts are respectively formed to have a length that fits over more than half of the peripheral surface of the base part of the ring-shaped lamp, and the tip parts face each other in the contact and separation direction. It is provided so as to be elastically deformable.

[0008]

According to the present invention, the pair of holder portions projecting from the socket portion are fitted over more than half of the peripheral surface of the base portion of the annular lamp, and the base portion can be securely held. Further, if the pair of holder parts is constructed in this way, it becomes a problem in terms of attachment and detachment of the base part. The base part can be easily attached and detached.

[0009]

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

In the figure, on a fixture mounting surface 1 such as a ceiling,
The hook ceiling 2 is installed. The hook ceiling 2 is an embedded type, and a lower surface thereof is provided with a hook hole 3 into which a pair of hook metal fittings 14 of an adapter 11 to be described later are inserted and which can be locked by rotating a predetermined angle. At the same time, inside the hook hole 3, hook metal fittings 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 body mounting portion 13 are the height of the hook ceiling 2. According to the type of, it is configured to be able to expand and contract in two steps up and down. On the upper surface of the ceiling mounting portion 12, the pair of hook metal fittings 14 are provided so as to project. Locking claws 15 are provided at both ends of the main body mounting portion 13 so as to be constantly projected by built-in springs, and a cylindrical portion protruding from the lower surface of the main body mounting portion 13
A release button 17 is projected from 16 and by pushing the release button 17 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 tubular portion 16, and inside the terminal insertion hole 18, there are provided blade receiving metal fittings (not shown) that are always connected to the hook fittings 14. It is set up.

Reference numeral 21 denotes an instrument main body, which is formed in a disk shape, has a recess 22 in the center, and an opening 23 having a shape for allowing the adapter 11 to be inserted into the recess 22, and has a peripheral edge. An annular flange 24 is formed, and this flange
An elastic member 25 is attached to the tip of 24.

An adapter receiving member 31 is screwed and fixed to the lower portion of the opening 23 of the instrument body 21. The adapter receiving member 31 is made of a synthetic resin having an insulating property, is formed in a cylindrical shape that allows the adapter 11 to be fitted therein, and has engaging step portions to which the locking claws 15 of the adapter 11 are attached at both ends of the inner wall surface. 32 is formed, and the blade holding portions 34 having the holding holes 33 on both sides of the lower edge are formed so as to face each other and project.

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 groove-shaped holder mounting portion 42 that passes through the apex is formed on the lower surface.
At the center of the holder mounting portion 42, a cylindrical portion 43 that is opened vertically and fits into the lower edge portion of the adapter receiving member 31 is formed, and a connection hole 45 facing the connector 44 is provided on the upper surface of one end side of the holder mounting portion 42. Has been formed.

An adapter stopper 46 is integrally installed on the upper edge of the cylindrical portion 43 in a bridging state, and the adapter stopper 46 has an insertion hole 47 formed at the center through which the cylindrical portion 16 of the adapter 11 is inserted. An edge plate 48 is formed on the inner surface of the insert hole 47, and partition plates 49 are formed on both sides of the insertion hole 47. Then, the terminal fitting 50 is fixed to the upper part of the tubular portion 43 at both ends of the adapter stopper 46 by the screw 51, and the terminal fitting 50 is insulated between the upper surface of the adapter stopper 46 and the blade holding portion 34. Positioned and held, and a blade that is raised from the tip into a substantially L shape
52 is projected upward through the holding hole 33 of the blade holding portion 34.

On the lower surface of the reflector 41, a light receiving surface 54 of the remote control unit housing 53 is formed parallel to the horizontal plane on one side of the cylindrical portion 43. A signal receiving sensor and the like are arranged, and on the other side of the cylindrical portion 43, a connection hole 56 in which the socket 55 faces
Is formed, and the night light 57 is connected to the socket 55 through the connection hole 56.

A printed wiring board 58, on which electric parts such as a lighting circuit are mounted, is mounted inside the reflector 41, and a terminal metal fitting 50 is connected to a power supply input portion of the printed wiring board 58, and a lamp drive output portion. The connector 44 is connected to.

Further, at the symmetrical position of the peripheral portion of the instrument body 21,
A locking body 61 that removably locks a shade 101 to be described later with respect to the instrument body 21 is attached. This locking body 61 is
It has a pair of locking claws 62, and the locking claws 62 are the introduction surface on the lower surface side.
63 is formed in the shape of an inclined surface and the locking surface 64 on the upper surface
Is formed in a horizontal plane, the upper ends of the pair of locking claws 62 are integrally connected by a connecting portion 65, a release lever 66 is provided on the outer surface of the connecting portion 65, and a recess 67 is formed on the inner surface. A guide portion 68 is provided so as to project.

The horizontal cross section of the introduction surface 63 of the pair of locking claws 62 and the tip surface 63a continuous with the upper end of the introduction surface 63 is
The curvature is the same as that of the flange portion 103 of the shade 101.

Then, the release lever 66 is projected to the outside of the instrument through the 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.
Fittingly supported inside the support member 71 fixed by 70, the locking body 61 is supported so as to be movable in and out of the instrument, and between the recess 67 of the guide portion 68 and the inside of the support member 71. spring
72 is interposed, and the locking body 61 is normally urged to move to the outside 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 slide of the release lever 66, and the insertion hole 69 and the release lever 66 are connected to each other. The gap between the two is closed to prevent pests, dust, etc. from entering the inside of the device.

75 is an annular lamp, and this annular lamp 75 is
For example, two lamps of 40 W and 32 W are used, and a lamp pin 78 is provided so as to project inward at an angle of 45 ° from a base portion 77 provided at one position of the arc tube portion 76.

Reference numeral 81 is a lamp holder.
Has a base portion 82 fitted in the center of the holder mounting portion 42,
Arm portions 83 are formed to project from both ends of the base portion 82. Locking claws 84 that are detachably engaged with the inner wall of the holder mounting portion 42 are provided on both sides of the base portion 82.

On one arm portion 83, a connector 85 connected to the connector 44 is provided in an upper portion, and a pair of lamp sockets 86 for connecting the ring-shaped lamp 75 is provided in a lower portion in an approximately 45 ° direction. Has been done. An insertion hole into which the lamp pin 78 of the ring-shaped lamp 75 is inserted at the tip of each lamp socket 86.
Socket portion 86b having 86a is provided, and insertion hole 86a
A pin receiving terminal (not shown) is arranged inside the.

Further, a pair of holder portions 87 that are elastically fitted around the base portion 77 are formed to project from the upper and lower edges of the end face of the socket portion 86b. The holder portion 87 has a length that fits over half or more of the peripheral surface of the mouthpiece portion 77, is formed in an arc shape that is slightly smaller than the diameter of the mouthpiece portion 77, and is formed so that it becomes thinner toward the tip and becomes elastic. The opening 88 between the ends is provided in correspondence with the insertion / removal direction of the lamp pin 78 to / from the lamp socket 86.

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

The other arm 83 has a ring-shaped lamp at the bottom.
A holding lever 89 that holds 75 arc tube portions 76 is attached. The holding lever 89 is made of, for example, an elastic metal, and is attached to the arm portion 83 from the attachment piece 90 to the arc tube portion 76.
A holder portion 91 that fits and holds the inner and lower portions of the holder is provided.

At the tips of both arm portions 83, the instrument body is
On the contrary to the case of mounting on the 21, a substantially flat grounding portion 93 is formed which can be turned upside down and placed on a placing portion 92 such as a desk surface or a floor surface.

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

Next, the operation of this embodiment will be described.

In mounting the instrument main body 21 on the instrument mounting surface 1, first, the adapter 11 is set to expand and contract according to the height type of the hook ceiling 2 and then attached to the hook ceiling 2. This attachment is performed by inserting the pair of hook metal fittings 14 into the pair of hook holes 3 on the lower surface of the hook ceiling 2 and rotating them by a predetermined angle so that the hook metal fittings 14 are attached to the hook ceiling 2 and are connected to the built-in terminals. To be done.

Then, the upper end opening of the adapter receiving member 31 of the instrument main body 21 is pushed up to match the lower portion of the adapter 11, whereby the adapter receiving member 31 is fitted to the outside of the adapter 11 and protrudes from the side surface of the adapter 11. Locking claw 15
Engages with the engaging step portion 32 of the adapter receiving member 31, and the instrument body 21
Are supported by the adapter 11.

In this supported state, the release button 17 projecting from the lower surface of the adapter 11 projects downward from the adapter stopper portion 46, and the blades 52 of each terminal fitting 50 pass through each terminal insertion hole 18 of the adapter 11 so as to stay inside the adapter 11. Connected to the blade receiver.

Next, the lamp holder 81 to which the ring-shaped lamp 75 is attached is fitted and inserted into the holder mounting portion 42 of the reflector 41 from below, so that the locking claw 84 is locked inside the holder mounting portion 42. Mounted.

Next, the shade 101 is put up from below the instrument body 21 and pushed up, and as shown in FIG. 7, each locking body provided at two places of the instrument body 21 by the flange portion 103.
When the introduction surface 63 of the locking claw 62 of 61 is pressed to move the locking body 61 inward against the spring 72, and the flange portion 103 is pushed up to the upper part of the locking claw 62, The spring 72 moves the locking claw 62 outwardly, and the locking surface 64 of the locking claw 62 receives the lower surface of the step portion 104 of the shade 101, so that the shade 101
Is supported.

At this time, since the introduction surface 63 of the engaging 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 into the introducing surface of the engaging claw 62. 63 is in surface contact with the flange 103 and the locking claw 62
The engaging claw 62 can be moved inward by smoothly sliding on the introduction surface 63, and the shade 101 can be easily attached. Moreover, when the shade 101 is horizontally rotated in order to correct the center position deviation of the shade 101 with respect to the instrument body 21, the flange portion 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, since the introduction surface 63 is configured as described above, it can be smoothly corrected.

On the other hand, when the lamp is replaced, the release levers 66 projecting from both sides of the instrument body 21 are pushed inward to move the locking body 61 inward, thereby locking the locking claws. Unlock Sade 101 with 62 and Sade 10
Remove 1 from the instrument body 21.

Next, the locking claw 84 is unlocked by holding both sides of the base portion 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 has a base portion.
With the upper and lower surfaces turned upside down while holding 82, the grounding portions 93 at the tips of both arm portions 83 are placed on a mounting surface 92 such as a desk or floor as shown in FIG. 8, and lamp replacement work is performed.

In this lamp replacement work, the cap 77 of the ring-shaped lamp 75 to be removed is attached to the lamp socket 86 with a lamp pin.
By moving the 78 in the removal direction,
After pushing out 87 and pulling it out from the opening portion 88, the arc tube portion 76 is removed from the holding lever 89. Next, in order to attach the ring lamp 75 to be newly mounted, after fitting the arc tube portion 76 to the holding lever 89, the base portion 77 is attached to the lamp pin 78 from the opening portion 88 of both holder portions 87 to the lamp socket 86. By moving in the insertion direction, the base portion 77 is fitted between the holder portions 87 while the holder portions 87 are spread out, and the lamp pin 78 is inserted and connected to the lamp socket 86.

By forming both holder portions 87 of the lamp socket 86 into a length that fits over half or more of the peripheral surface of the base portion 77, the base portion 77 can be held securely. On the other hand, setting both holder parts 87 in this way poses a problem in terms of attachment / detachment of the base part 77, but since both holder parts 87 are made thinner toward the tip end and have elasticity, lamp replacement At this time, the base 77 can be easily attached and detached. Moreover, since the opening portion 88 of the holder portion 87 is provided so as to correspond to the inserting / removing direction of the lamp pin 78 with respect to the lamp socket 86, it is possible to insert / remove the lamp pin 78 and the cap portion 77 from the same direction at the same time. This is also the point 77
Can be easily attached and detached.

When the fixture main body 21 is attached to the adapter 11, the release button 17 of the adapter 11 faces the center of the holder attachment portion 42 of the reflector 41, but the release button is attached to the lamp holder 81 attached to the holder attachment portion 42. It is possible to conceal 17 and prevent the appliance main body 21 from being removed without removing the lamp holder 81, so that it is possible to prevent the appliance main body 21 from falling off 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 parallel to the horizontal plane on the lower surface of the substantially conical reflector 41, the remote control unit can be efficiently housed in the remote control unit housing 53, and the remote control unit 54 is arranged facing the light receiving surface 54. The light receiving performance of the remote control signal of the light receiving sensor can be improved.

Further, the terminal fitting 50 is arranged between the adapter stopper portion 46 formed integrally with the reflector 41 and the blade holding portion 34 of the adapter receiving member 31 which is separate from the reflector 41 to hold the blade. Since the blade 52 of the terminal fitting 50 is projected upward through the holding hole 33 of the portion 34, the blade 52 can be positioned with respect to the adapter 11 and the insulation can be protected.

Next, FIGS. 9 and 10 show another embodiment of the lamp socket of the present invention. In this embodiment, a pair of holder portions 87 are provided so as to project long in parallel with the inserting / removing direction of the lamp pin 78. A holding protrusion 111 is formed on the inner side of the tip. The pair of holder parts 87 can be elastically deformed in the opposite contact and separation directions by protruding long, and the interval between both holding projections 111 is set to be narrower than the diameter of the base part 77 and opened in the inserting / removing direction of the lamp pin 78. A section 88 is provided.

As shown in FIG. 11, an elastic piece 112 may be formed in a swingable notch at the tip of the holder 87, and a holding projection 111 may be provided on the inner side of the tip of the elastic piece 112. .
Further, as shown in FIG. 12, a spring member 113 having elasticity may be attached to the inner end portion of the holder portion 87.

Also, in these embodiments, it is possible to obtain the same effects as the above-mentioned embodiments.

Next, FIGS. 13 to 15 show still another embodiment of the lamp socket of the present invention. In this embodiment, the socket portion 86b and the holder portion 87 are separately formed. The socket portion 86b is composed of two divided socket members 121, and the pin receiving terminals 122 are arranged inside the respective socket members 121 so as to face the insertion holes 86a, and the pin receiving terminals 122 are provided between the pin receiving terminals 122 on both sides. Pudding wiring board connected
Place 123. The holder portion 87 is formed of an elastic metal or synthetic resin into an annular shape having open portions 88, holding protrusions 124 are formed at both ends thereof, and a notch is formed in a mounting portion 125 housed and held between the socket members 121. A portion 126 is formed.

When the mouthpiece 77 is fitted to the holder 87, both ends of the holder 87 are fitted and held below the horizontal ends of the mouthpiece 77.

In this embodiment as well, the same operation and effect as in the above-described embodiment can be obtained, but since the holder part 87 itself is made of a member having elasticity, the cap part of the annular lamp 75 is particularly formed.
77 retention is improved and the base part for lamp replacement
77 can be easily attached and detached.

[0051]

According to the present invention, a pair of holder portions projecting from the socket portion are formed to have a length which fits over half or more of the peripheral surface of the base portion of the ring-shaped lamp, and the tip portion of the holder portion is formed. Since it is elastically deformable in the opposite contact and separation directions,
The base part can be securely held, and the base part can be easily attached and detached when the lamp is replaced.

[Brief description of drawings]

FIG. 1 is a partial sectional view of an assembled state showing an embodiment of a lighting fixture to which a lamp socket of the present invention is applied.

FIG. 2 is a perspective view showing an exploded state of the above embodiment.

FIG. 3 is a perspective view showing a disassembled state of a tool body and a reflector of the same embodiment.

FIG. 4 is a partial cross-sectional view of a portion of an adapter receiving member of the above embodiment.

FIG. 5 is a perspective view of a part of the reflector according to the above embodiment.

FIG. 6 is a partial cross-sectional view of the assembling example of the above embodiment.

FIG. 7 is a perspective view of a part of a joint portion between the device body and the shade of the above embodiment.

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

FIG. 9 is a side view showing a first other embodiment of the lamp socket of the present invention.

FIG. 10 is a perspective view of the above embodiment.

FIG. 11 is a perspective view showing a second other embodiment of the lamp socket of the present invention.

FIG. 12 is a perspective view showing a third other embodiment of the lamp socket of the present invention.

FIG. 13 is a side view showing a fourth other embodiment of the lamp socket of the present invention.

FIG. 14 is a perspective view of the above embodiment in an exploded state.

FIG. 15 is a perspective view showing an assembled state of the embodiment.

[Explanation of symbols]

 75 Ring lamp 77 Base 78 Lamp pin 86 Lamp socket 86a Insert hole 86b Socket 87 Holder

Claims (1)

[Claims] 1. A socket part having insertion holes for inserting and connecting lamp pins protruding from the base part of the ring-shaped lamp, and a pair of holder parts projecting from both sides of the socket part to fit and hold the base part of the ring-shaped lamp. The pair of holder portions are respectively formed to have a length that fits over half or more of the peripheral surface of the base portion of the ring-shaped lamp, and the tip sides are elastically deformable in opposite contact and separation directions. Characteristic lamp socket.