JPS61195503A - Lighting fixture - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] 〔Technical field〕 TECHNICAL FIELD This invention relates to lighting equipment.

[Background technology]

In a lighting fixture for two lamps of different wattage, two lamp sockets protrude from the main body of the wooden lid, but when installing the lamp, it is difficult to distinguish which lamp socket is for high wattage or low wattage, which makes lamp installation complicated. There was a drawback.

[Purpose of the invention]

An object of the present invention is to provide a lighting fixture having a plurality of lamp sockets in which the lamp sockets can be easily distinguished.

[Disclosure of the invention]

The present invention includes an appliance body and a lamp holder provided on the appliance body and integrally having a high wattage lamp connection part and a low wattage lamp connection part.

Since the annular lamps of the group Watts have different outer diameters and the plurality of lamp connection parts of the group Watts are integrally formed, the lamp connection parts can be easily distinguished and the lamp installation is facilitated. In addition, if the lamp holder has a connector part, the connection part on the appliance body side is common, and the wattage combinations are, for example, 32 and 30 watts, 30 and 40 watts.
'7 Sol□.

31 different combinations of lamp holders such as 20 and 32 watts, 20 and 40 watts, etc. can be applied.

In some embodiments, placing the low wattage lamp connections below the high wattage lamp connections facilitates easy attachment and detachment of individual lamps. In addition, the lamps can be positioned reliably in concentric circles, and the best points can be set where the lamp and ballast are less affected by heat.

Embodiment An embodiment of the present invention will be explained based on FIGS. 1 to 23. In other words, this hanging ring-shaped two-light lighting fixture has two lights on, an I light (high W side) on, a small bulb on, and an off-state, and its configuration can be broadly classified into one that is suspended from the ceiling. Code 1. Instrument body 2. Composite socket 3
．． It consists of ballast 4°5. The device main body 2 has a disk shape with a peripheral wall 2' hanging down, the lower side is closed with a lower cover 2a, and the upper surface has a cord cover 2b. Lower cover 2a
and the device main body 2 are abutted against each other at the outer periphery of the flanges 6 and 7 and are integrally connected by screws 8, forming a space for storing components such as the composite socket 3 inside, and a large number of heat dissipation holes 2C (second
．． 3), and at the same time, a two-lamp integrated lamp support spring 10 is attached using screws 8. An umbrella-shaped cord cover 2b is attached to the upper center of the instrument body 2, and the lower end of the cord 1 is attached to the cord cover 2b through the cord adjuster 1).
The device is inserted into the device, loosened appropriately, and passed through a support 12 provided on the device body 2, with a connector 1a provided at the tip. The composite socket 3 (for example, FIGS. 5 and 6) has a strip-like outer shape, and is attached to the lower surface of the main body 2 at a substantially medium position, and ballasts 4.5 are mounted on both sides of the socket 4'.

5', but the 32W or 40W booster ballast 5, which has a large wattage and is heavy, is placed on the center side of the device body 2, and the 30W single-wound ballast 4 is placed on the side away from the center. 1 balances the weight when the instrument body 2 is hung. The composite socket 3 has a pair of hooks 13 and 14 protruding from its upper surface, and the hooks 13 and 14 are hooked into a mounting hole 15 formed inside the cord cover 2b of the instrument body 2, and a screw 16 and a cut-out claw 1
7, it is securely attached to the instrument body 2. When this composite socket 3 is viewed from above, as shown in FIG. 1, the lamp socket 18. Screw-in glow lamp socket 19. Swan type glow lamp socket 20. Pull switch 21. Mini ball socket 22. and fuse holder 23
are arranged in parallel on a substantially straight line. The lamp socket 18 is a lamp holder 2 with lamp pin holes 24 and 25 provided at the lower end.
The connector parts 26a and 26b at the upper end of 6 are the composite socket 3.
are inserted into the connecting holes 27a and 27b.

Also, each socket 19, 20.22 has a glow lamp 28.
29 and a miniature bulb 30 are attached, and annular lamps 31 and 32 are attached to the lamp support spring 10 and the support pieces 26c and 25d of the lamp holder 26.

The composite socket 3 has an electric circuit board 34 (FIG. 9) in a body 33 (FIG. 8) which integrally forms the socket 19, etc.
This electrical circuit board 34 is patterned to form the electrical wiring shown in FIG. It is connected to the connector 1a of the cord 1 by a connector pin 34a formed on the circuit board 34.

The composite socket 3 has a body 33 made of thermoplastic resin, such as polypropylene, and a circuit board 34 patterned with a conductive plate made of copper, brass, etc., and the body 33 is connected to the base 3.
6 and a cover 37.

The base 36 is formed with mounting holes 28a, 29a, 30a for a glow lamp 28, 29 and a 3° miniature bulb, and the cover 37 is provided with a fuse holder 23. A mounting portion 21a for the pull switch 21 and a storage portion 1b for the cord connector 1a are formed. Further, a large number of mounting frames 38 are erected on the outer periphery of the base 36, and a guide taper 39 is formed inside the mounting frames 38. On the other hand, locking protrusions 40 are provided on the outer periphery of the force bar 37 to protrude horizontally. 4o is guided and hooked on the guide taper 39 of the mounting frame 38 to connect the two, and at the same time, the electric circuit board 34 is held between them. In addition, in order to ensure the strength of the parts that receive the force applied when attaching and detaching the glow run 128, 29 and miniature bulb lamp 30, the lamp holder 19', 22' at the center of each socket 19°22 of the base 36 and the socket 20 are A caulking protrusion 41 is provided protruding from the center, a through hole 42 is formed in the cover 37, and the upper end of the protrusion 41 protruding from the upper surface of the cover 37 is caulked and fixed by connection. On the other hand, in order to fix the circuit board 34 to the base 36, a large number of rectangular holes 43 are formed at predetermined positions, taking into account the parts that are particularly loaded.
6 is integrally formed with a pin 44 corresponding to the rectangular hole 43, the electric circuit board 34 is pressed against the base 36, and the rectangular hole 43 is press-fitted into the pin 44 as shown in FIGS. 10 and 1). During this assembly, the electric circuit board 34 and the base 36 are positioned by passing a jig through the guide holes 34a and 36a. Also, on the back side of the cover 37, there is a pressing protrusion 45 that presses down the circuit board 34, and a separation part 46 of the circuit board 34 (which is joined to prevent the pattern from separating during manufacturing). An insulating plate 47 (FIG. 12) is formed to insulate the parts (only a portion of which is shown in FIG. 9) that is separated by a press when the device is attached to the device. Composite socket 3
The hooks 13 and 14 attached to the instrument body 2 are provided at intervals close to the maximum diameter of the cord cover 2b for stable locking, but the stopper 48 that comes into contact with the lower surface of the instrument body 2 is a socket that provides strength to the composite socket 3. 18, 20 degrees near 22.

Briefly explaining how to assemble the composite socket 3, a nut 21c for screwing the screw 16 is placed on the upper end of the boss 21b of the base 36, a switch stand 21e is placed on the base 36, and the Nand 21C is held down. Next, press the electric circuit board 34 onto the base 36, and then press the switch base 21e into the shaft hole 2
1f is the shaft 21 of the switch block 21g. The lower end of h is caulked and fixed via the electric circuit board 34. A cover 37 is placed over the electric circuit board 34 and fixed to the base 36. In addition, 23a
23b is a fuse, and 23b is a holding cap thereof, which is inserted into and removed from an insertion hole 23C formed in the instrument body 2.

Reference numeral 49 denotes a mounting piece to which the cut-and-raise claw 17 is inserted and twisted. A noise prevention capacitor 52 is inserted into the insertion hole 53 of the glow lamp socket 19 and connected in parallel with the terminals of the socket. 54 is a switch arm to which a drawstring is connected. In addition, since the portions forming the central contact pieces 51a and 22a of the sockets 19.22 of the circuit board 34 are bent vertically when installed on the base 36, the cover 3
At step 7, bend to the fixed acid horizontal position.

In such a lighting fixture, the lamp holder 26 will be described in more detail. It is a combination of lamp holders of different wattages, and has a bifurcated outer shape with first and second arms 55 extending from the upper end. 56 extends, and a pair of connector portions 26a, 26b protrudes above the upper end in the same direction as the arrangement of arms 55, 56. The second arm 56 is for low W and hangs down substantially vertically below the connector portion 26b, has a lower end inclined in one direction, and has a lamp pin hole 25 formed in its lower surface. The first arm 55 is for high W, and is inclined in the same direction above the second arm 56 in the direction of inclination, and extends downward and laterally from the connector portion 26a, and has a lamp pin hole 24 formed at its lower end. , 56 are provided with lamp support pieces 26c, 26d. With this configuration, the connector portions 26a, 25b are provided above the second arm 56, and the connector portion 26a.

26b into the connection holes 27a and 27b of the composite socket 3 attached to the device main body 2, the first
The arm 55 begins to extend to the side of the instrument body 2, and the second arm 56
is located below the instrument body 2. the result,
By bringing out the high W side to the side of the instrument body 2, the instrument body 2
Since only the low W side is located below the lamp boulder 26, the height from the top surface of the fixture main body 2 to the lower end of the lamp boulder 26 on the low W side can be reduced, allowing for miniaturization. Furthermore, since the connecting portions of the connector portions 26a and 26b are located above the low W side, the outer diameter of the instrument main body 2 can be reduced, resulting in miniaturization.

As shown in FIG. 19, each of the connector parts 26a and 26b has a tapered part 57 on both side surfaces of which the upper end is tapered, and a locking protrusion 58 is protruded from the upper end of the tapered part 57, so that the shape of the side surface of the connector part 26a and 26b is adjusted. This facilitates insertion of the composite socket 3 into the connecting holes 27a, 27b, which are correspondingly formed with concavities and convexities. In addition, terminals 59 are disposed on the tapered portion 57 along the inclination thereof, and the shapes of the contact pieces 18a and 18b located in the connection holes 27a and 27b of the circuit board 34 are achieved simply by bending, and electrical contact is made. We make it easy. and a connector portion 26a for attaching the holder 26.

Outward hooks 60 are formed at both ends of the holder 26b in the arrangement direction, and locking protrusions 61 are formed on both sides of the intermediate portion of the holder 26. This holder 26 has connector cover parts 26a, 26
The hook 60 is inserted into the connection hole 27a by inserting the hook 60 into the connection hole 27a, 27b.

27b, and a locking protrusion 58 is formed in the device body 2 when the composite socket 3 is attached to the device body 2.
d to position the holder 26, and at this time, the upper surfaces of the connector portions 26a and 26b abut against the lower surface of the instrument body 2 as a stopper. Further, by attaching the lower cover 2a to the instrument main body 2, the notch 63 is engaged with the locking protrusion 61, and the holder 26 is clamped and fixed between the instrument main body 2 and the lower cover 2a. It goes without saying that the insertion direction of the connector parts 26a and 26b is perpendicular to the horizontal plane of the electrical circuit board 34 of the composite socket 3. With this configuration, the strength and connection are stable against the inward force of the lamp support spring 10, the dimensional stability of the holder 26, etc. is good, and when multiple lamps are used, the terminal directions are aligned to prevent contact. It is stable, and since four electric circuit pieces or lead wires, which will be described later, are arranged on the same surface of the holder 26, the structure is simple, and manufacturing is easy and inexpensive.

The lamp holder 26 includes a body 62, a pair of lids 63, and a plurality of electrical circuit pieces 64. The body 62 and the lid 63 are made of thermoplastic resin such as polypropylene.
6 are formed with an electric circuit piece guide strip 67 and a press-fitting boss 68,
'' The main bodies of the connector parts 25 a, 26 b are integrally formed at the two ends, a guide groove 73 is formed on the side thereof, and a caulking projection 74 is provided protruding from the end of the guide groove 73. The part forms lamp socket holes 24 and 25, and a storage recess 79 is formed inside the lamp socket holes 24 and 25, and a lamp support g.
-26c and 26d are formed. Note that since the lamp support pieces 26c and 26d have elasticity due to their material, there is no problem in inserting the lamps 31 and 32.

The lid 63 fits inside the recesses 65 and 66 on both sides, and has the locking protrusion 61 formed on its outer surface.2. Press-fitting boss 6 on the inner surface
A press-fit protrusion 69 is formed opposite to the electric circuit piece guide strip 6 .
A holding protrusion 70 is formed opposite to the electric circuit piece 6 .
An insulating plate 71 is formed to insulate the branch 1 part 72 during the press working in step 4. The electric path pieces 64 are formed of a conductive plate, and two electric circuit pieces 64 are arranged in each of the recesses 65 and 66 on both sides of the body 62 according to each wattage. Each electric circuit piece 64 is formed by pressing a pair and integrally connected at a separation part 72, and a lamp bottle receiver 75 serving as a lamp contact piece is provided at the lower end, and the terminal 59 is formed at the upper end. is the connector portion 26
It is integrally formed by being bent along the inclined surfaces of a and 26b. The lamp bottle holder 75 is made by bending a plate-like body into a cylindrical shape and extending a mounting piece 76 from one end. 77) L, holding the mounting piece 78 at its tip and fixing it by caulking in a state where the width direction of the electric circuit piece 64 is bent (Fig. 22,
Figure 23).

With this configuration, the terminals 59 are connected to the electric circuit pieces 64a and 64b of the same wattage disposed in the recesses 65 and 66 on both sides.
Since the wires are symmetrical except that the bending directions are different, parts of the left and right circuit pieces can be shared. To assemble, the lamp bottle receiver 75 is placed in the recess 79 formed corresponding to the lamp bottle receiver 75 in the recesses 65 and 66 on both sides of the body 62, and the electric circuit piece 64 is inserted into the guide strip 6 in the recesses 65 and 66 on both sides.
7, the terminal 59 is placed in the guide groove 73, and its tip is fixed by caulking with the caulking projection 74 (20th
figure). In this state, fit the lid 63 into the recesses 65° and 66 on both sides,
The projection 69 may be press-fitted into the press-fitting boss 68. Thereby, the lamp bottle receiver 75 is connected to the lamp socket hole 24. ．．
25 , the electric circuit piece 64 is pressed by the pressing protrusion 70 , and the separation part 72 is insulated and separated by an insulating plate 71 . Note that this insulating plate 71 may be provided on the body 62 side.

〔Effect of the invention〕

According to the present invention, by integrally providing the lamp connection parts of different wattages in the lamp holder, it becomes easy to distinguish the lamp connection parts for lamps of each wattage, and the lamp mounting becomes easy.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a perspective view of the main body of the instrument, Fig. 3 is a perspective view of the lower cover disassembled, and Fig. 4 is the relationship between the main body of the instrument and internal parts. FIG. 5 is an exploded perspective view of the internal parts, FIG. 6 is a plan view of the internal parts attached to the instrument body, FIG. 7 is an electrical wiring diagram,
Fig. 8 is a perspective view of the composite socket, Fig. 9 is an exploded perspective view thereof, Fig. 10 is a perspective view showing a rectangular hole in the circuit board, Fig. 1) is a sectional view when the pin is press-fitted, Fig. Fig. 12 is a cross-sectional view of the separated part of the circuit board separated by an insulating plate, Fig. 13 is a plan view showing the back side of the cover of the composite socket, Fig. 14 is a partially cutaway side view of the lamp holder, and Fig. 15. is an exploded perspective view thereof, FIG. 16 is a left side view of FIG. 14 showing the state in which the electric circuit piece is pressed, FIG. 17 is a sectional view taken along line XVILXVII of FIG. 14, and FIG. 18 is a partial bottom view showing the lamp pin hole. Fig. 19 is a side view showing the shape of the connector part, Fig. 20 is a cross-sectional view showing the upper end of the terminal of the electric circuit/piece, and Fig. 21 is a side view showing the shape of the connector part.
The figure is a perspective view of FIG. 18, FIG. 22 is a side view of the lamp pin receiver, and FIG. 23 is a front view thereof. 2... Appliance body, 3... Composite socket (lamp socket connection part), 24.25... Lamp pin hole (lamp connection part), 26... Lamp holder, 26a, 26b.
...Connector part, 27a, 27b... Connection hole 23b Fig. 2 Fig. 4 Fig. 6 Fig. 7 Fig. 8 Fig. 10 Fig. 1) Fig. 12 Fig. 36a 47 40 Fig. 19 Fig. 20 Fig. 21 Figure 22

Claims (2)

[Claims] (1) A lighting fixture comprising a fixture body and a lamp holder provided on the fixture body and integrally having a high wattage lamp connection part and a low wattage lamp connection part. (2) The lighting device according to claim 1, wherein the low-wattage lamp connection portion of the lamp holder is arranged below the high-wattage lamp connection portion.