JPH025450Y2 - - Google Patents

Description

[Detailed explanation of the idea] 〔Technical field〕 This invention relates to lighting equipment.

[Background technology]

By providing a lamp socket connection part in the appliance body and configuring the lamp socket to be connected to the lamp socket connection part, it becomes easy to apply lamp sockets of the same structure but of different wattages. However, fixing means such as screws and fittings for fixing the lamp socket to the lamp socket connection part are required as separate parts. Moreover, there was a drawback that it became troublesome to pass the lamp socket through the hole formed in the lower cover.

[Purpose of invention]

The purpose of this invention is to provide a lighting fixture in which the lamp socket can be securely fixed to the lamp socket connection part without requiring a separate fixing means, and in which the lower cover can be easily attached. .

[Disclosure of invention]

This device has a main body, a lamp socket connection part attached to the lower surface of the main body and having a socket for power supply, a plug-in connector part to be inserted into the socket, and a clamping and fixing part. a lamp socket having an engaging portion; and a lamp socket that is attached to the appliance body and covers the lower surface of the appliance body, and is passed through the lamp socket and engaged with the engaging portion to clamp and fix the lamp socket together with the appliance body. and a lower cover with a cutout formed therein.

According to the structure of this invention, since the lamp socket connection part has the insertion receiving part and the lamp socket has the insertion type connector part, it is easy to apply lamp sockets of the same structure but different wattages. In addition, since the lamp socket is clamped and fixed between the appliance body and the bottom cover by engaging the notch of the lower cover with the engagement part of the lamp socket, attaching the lower cover to the appliance body does not require separate parts. The lamp socket can be securely fixed without any problems. Furthermore, since the lamp socket is fixed between the appliance body and the lower cover, there is no effect of stress on the lamp socket connection part when attaching or removing the lamp, and since the lamp socket is passed through the notch in the lower cover, the work of attaching the lower cover is simplified.

Embodiment An embodiment of this invention will be described based on FIGS. 1 to 24. In other words, this hanging ring-shaped two-light lighting fixture has two lights on, one light (high W side) lights on, a small bulb lights, and turns off.
Broadly speaking, it consists of a cord 1 that is suspended from the ceiling, a fixture body 2, a composite socket 3 having a lamp socket connection part, and ballasts 4 and 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. The lower cover 2a and the device main body 2 are butted against each other at the outer peripheral ribs 6 and 7 and are connected together by screws 8 to form a space for storing components such as a composite socket 3 inside and a large number of heat radiation holes 2.
c (FIGS. 2 and 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 inserted into the cord cover 2b through the cord adjuster 11, and is loosened appropriately to attach to the support provided on the instrument body 2. 1
2, and a connector 1a is 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 approximate center of the lower surface of the device body 2, and stabilizers 4 and 5 are attached to both sides of the socket using screws 4' and 5'. However, the 32W or 40W step-up ballast 5, which has a large wattage and is heavy, is placed on the center side of the appliance body 2, and the 30W single-wound ballast 4 is placed on the side away from the center, and the cord 1 is connected to the appliance body 2. Balances the weight when hanging. The composite socket 3 has a pair of hooks 13 and 14 protruding from its upper surface,
The hooks 13 and 14 are hooked into attachment holes 15 formed inside the cord cover 2b of the instrument body 2, and are securely attached to the instrument body 2 with screws 16 and cut-and-raise claws 17. When viewed from above, this composite socket 3 includes a lamp socket 18, a screw-in type glow lamp socket 19, and a swan type glow lamp socket 2 from one end in the longitudinal direction as shown in FIG.
0, a pull switch 21, a small bulb socket 22, and a fuse holder 23 are arranged in parallel on a substantially straight line. The lamp socket 18 has a lamp pin hole 24,
Plug-in connector portions 26a and 26b at the upper end of the lamp holder 26, which has a lamp holder 25 at its lower end, are inserted into connection holes 27a and 27b which serve as insertion receiving portions for the lamp socket connection portion of the composite socket 3. Also, each socket 19, 20, 22 has a glow lamp 28,
29 and the miniature bulb 30 are attached, and the lamp support spring 10 and the support pieces 26c, 2 of the lamp holder 26 are attached.
Annular lamps 31 and 32 are attached to 6d. The composite socket 3 has an electric circuit board 34 in a body 33 (FIG. 8) that integrally forms the socket 19, etc.
(Fig. 9), and this electrical circuit board 34 is patterned to form the electrical wiring shown in Fig. 7.
This electrically connects the lamps 28, etc., and connects the ballasts 4 and 5 via lead wires 35, and connects the connector pins 3 formed on the circuit board 34.
4a, it is connected to the connector 1a of the cord 1.

The composite socket 3 has a body 33 made of a thermoplastic resin, such as polypropylene, and a circuit board 34 patterned with a conductive plate made of copper, brass, etc.
The body 33 consists of a base 36 and a cover 37.
Base 36, glow lamps 28, 29 and miniature balls 30
mounting holes 28a, 29a, and 30a are formed, and the fuse holder 23 and the pull switch 21 are formed in the cover 37.
The mounting part 21a of the cord connector 1a, the storage part 1 of the cord connector 1a
It forms b. Further, a large number of mounting frames 38 are provided upright 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 cover 37 to protrude horizontally. By being guided and hooked on the guide taper 39 of the mounting frame 38, the two are connected and at the same time the electric circuit board 34 is held. In addition, in order to ensure the strength of the parts that receive the force applied when attaching and detaching the glow lamps 28, 29 and the small bulb lamp 30, each socket 1 of the base 36 is
A caulking protrusion 41 is provided protruding from the center of the lamp holders 19', 22' and the socket 20 at the center of the lamp holder 9, 22, a through hole 42 is formed in the cover 37, and the protrusion 41 protrudes from the upper surface of the cover 37 by connection. The upper end of the is caulked and fixed. On the other hand, the circuit board 34 is the circuit board 3
4 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.
A pin 44 is integrally formed on the base 36 in correspondence with the rectangular hole 43, and the 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 11. . 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), which is separated by pressing when mounted on the device. The hooks 13 and 14 attached to the device main body 2 of the composite socket 3 are provided at intervals close to the maximum diameter of the cord cover 2b for stable locking, but the hooks 13 and 14 that are attached to the device main body 2 of the composite socket 3 are provided at intervals close to the maximum diameter of the cord cover 2b.
8 is the socket 1 that applies strength to the composite socket 3
8, 20, and 22.

Briefly explaining the assembly of 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 nut 21c is held down. Next, press the circuit board 34 onto the base 36, and insert the lower end of the shaft 21h of the switch block 21g into the shaft hole 21f of the switch block 21e on the circuit board 34.
Fix by caulking. Attach the cover 37 to the circuit board 3
4 and fix it to the base 36. In addition, 23
A 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. 52
is a noise prevention capacitor inserted into the insertion hole 53 of the glow lamp socket 19 and connected in parallel with the terminal of the socket. 54 is a switch arm to which a drawstring is connected.
Furthermore, since the portions forming the center contacts 51a, 22a of the sockets 19, 22 of the circuit board 34 are bent vertically when installed on the base 36, they are bent horizontally after being fixed with the cover 37.

In such a lighting fixture, the lamp holder 26 of the lamp socket 18 will be explained in more detail. It is an integrated lamp holder of different wattages, and the outer shape is bifurcated from the upper end. Arms 55, 56 extend, and a pair of connector portions 26a, 26b protrude above the upper end in the same direction as the arrangement direction of the arms 55, 56. The second arm 56 is for low W and hangs down substantially perpendicularly to the connector portion 26b, is inclined in one direction at its lower end, and has a lamp pin hole 28 formed in its lower surface. first arm 5
Reference numeral 5 is for high W, and is inclined in the same direction above the second arm 56 in the direction of inclination, extends to the lower side from the connector portion 26a, and forms the lamp pin hole 24 at the lower end, and the lower end of each arm 55, 56. The lamp support pieces 26c, 26
d. With this configuration, the second arm 5
6, and the connector parts 26a, 26b are connected to the instrument main body 2.
The connection holes 27a, 2 of the composite socket 3 attached to
7b, the first arm 5 will open as shown in Figure 1.
5 extends to the side of the instrument body 2, and a second arm 56
is located below the instrument body 2.

As shown in FIG. 19, the connector portions 26a, 26b have tapered portions 57 on both side surfaces that taper at the upper end, and a locking protrusion 58 is provided protruding from the upper end of the tapered portion 57 to match the side shape of the connector portions 26a, 26b. Connection holes 27a, 27 of the composite socket 3 are correspondingly formed with protrusions and recesses.
This facilitates insertion into b. Also, the tapered portion 57
Terminals 59 are arranged along the inclinations of the contact pieces 18a and 18b, respectively, so that 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 facilitated. . Then, the connector part 2 is used to attach the holder 26.
Outward hooks 60 are formed at both ends of the holders 6a and 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
connects the connector parts 26a, 26b to the connection holes 27a,
27b, the hook 60 is locked in the connection holes 27a, 27b, and the locking protrusion 58 is inserted into the device main body 2 when the composite socket 3 is attached to the device main body 2.
The holder 26 is positioned by fitting into the locking hole 62 formed in the connector part 26a, 26b.
The upper surface abuts against the lower surface of the instrument main body 2 as a stopper. Furthermore, by attaching the lower cover 2a to the instrument main body 2, the notch 80 is engaged with the locking protrusion 61, and the instrument main body 2 and the lower cover 2a hold the holder 2.
6 is clamped and fixed. In this case, deformation occurs after the notch width is narrowed during machining of the notch 80, but if this is utilized, the lamp holder 2 of the lamp socket 18
6 can be elastically clamped and fixed stably and firmly. In addition,
It goes without saying that the insertion direction of the connector parts 26a, 26b is perpendicular to the horizontal plane of the electrical circuit board 34 of the composite socket 3.

The lamp holder 26 includes a body 62 and a pair of lids 6.
3 and a plurality of electrical circuit pieces 64. The body 62 and the lid 63 are made of thermoplastic resin such as polypropylene, and the body 62 has an H-shaped cross section.
7 and a press-fitting boss 68, and the main bodies of the connector parts 26a and 26b are integrally formed at the upper end,
A guide groove 73 is formed on its side, and a caulking protrusion 74 is protruded from the end of the guide groove 73, while lamp socket holes 24 and 25 are formed in the lower end, and a storage recess 79 is formed inside thereof, and a lamp support It forms pieces 26c and 26d. 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, a press-fitting protrusion 69 facing the press-fitting boss 68 on its inner surface, and a wire guide strip 67 formed on its inner surface. Pressing protrusion 7 facing
0 is formed, and an insulating plate 71 is further formed to insulate the separating portion 72 during press working of the electric circuit piece 64. The electric circuit 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 pin receiver 75 serving as a lamp contact piece is provided at the lower end, and the terminal 59 is provided at the upper end.
is formed, but this is the connector part 26a,
It is integrally formed by being bent along the inclined surface of 26b. The lamp pin receiver 75 is formed by bending a plate-like body into a cylindrical shape, and has a mounting piece 7 at one end.
The lower end of the electric circuit piece 64 is bent 77 in steps by a length corresponding to the radius 72a of the lamp pin receiver 72, and the mounting piece 78 is held at the tip thereof, and the lower end of the electric circuit piece 64 is bent in the width direction of the electric circuit piece 64. It is caulked and fixed in a bent state (Figures 22 and 23).
With this configuration, the circuit pieces 64a and 64b of the same width arranged in the recesses 65 and 66 on both sides are symmetrical except that the terminals 59 are bent in different directions, so that the parts of the left and right electric circuit pieces are different from each other. This means that it can be shared. Assembly is done using the recesses 6 on both sides of the body 62.
The lamp pin receiver 75 is housed in the recess 79 formed corresponding to the lamp pin receiver 75 of 5, 66, and the electric circuit piece 64 is inserted into the guide strip 6 of the recess 65, 66 on both sides.
7, the terminal 59 is placed in the guide groove 73, and its tip is fixed by caulking with a caulking projection 74 (FIG. 20). In this state, the lid 63 is fitted into the recesses 65 and 66 on both sides, and the projection 69 is press-fitted into the press-fitting boss 68. As a result, the lamp pin receiver 75 is located inside the lamp socket holes 24 and 25, the electric circuit piece 64 is pressed by the pressing protrusion 70, and the separating portion 72 is insulated and separated by the insulating plate 71. Note that this insulating plate 71 may be provided on the body 62 side.

In addition, in this invention, the lamp socket 18
The lamp holder 26 is not limited to the lamp holder 26, but may be one in which a connector portion and a lamp pin holder are connected by a lead wire. In this case, the connector portion will be held between the instrument body and the lower cover.

[Effect of idea]

According to this invention, since the lamp socket connection part has the insertion receiving part and the lamp socket has the insertion type connector part, it becomes easy to apply lamp sockets having the same structure but different wattages. In addition, since the lamp socket is clamped and fixed between the appliance body and the bottom cover by engaging the notch in the lower cover with the engagement part of the lamp socket, separate parts are required rather than attaching the lower cover to the appliance body. The lamp socket can be securely fixed without any problems. Furthermore, since the lamp socket is fixed between the appliance body and the lower cover, there is no stress on the lamp socket connection part when attaching or removing the lamp, and since the lamp socket is passed through the notch in the lower cover, it is easier to install the lower cover. effective.

[Brief explanation of the drawing]

Figure 1 is a sectional view of one embodiment of this invention, Figure 2 is a perspective view of the instrument body, Figure 3 is a perspective view of the lower cover disassembled, and Figure 4 is the relationship between the instrument body 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 main body of the device, FIG. 7 is an electrical wiring diagram, and FIG. 8 is a perspective view of the composite socket. Fig. 9 is an exploded perspective view of the circuit board, Fig. 10 is a perspective view showing a rectangular hole in the circuit board, Fig. 11 is a cross-sectional view when the pin is press-fitted, and Fig. 12 shows the separation part of the circuit board between the insulation board. 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, FIG. 15 is an exploded perspective view of the lamp holder, and FIG. 16 is an electric circuit. Fig. 14 is a left side view showing the pressed state of the piece, Fig. 17 is a sectional view taken along the line XVII-XVII of Fig. 14, and Fig.
Fig. 8 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 sectional view showing the state of caulking of the upper end of the terminal of the electric circuit piece, and Fig. 21 is the same as Fig. 18. A perspective view, FIG. 22 is a side view of the lamp pin holder, FIG. 23 is a front view thereof, and FIG. 24 is a side view of the lamp pin holder.
The figure is a plan view of the lower cover. 2... Appliance body, 2a... Lower cover, 3... Composite socket (lamp socket connection part), 18...
Lamp socket, 24, 25...lamp pin hole,
26... Lamp holder, 26a, 26b... Connector portion, 27a, 27b... Connection hole, 63... Notch, 75... Lamp pin holder.

Claims (1)

[Scope of utility model registration request] The lamp socket has a main body, a lamp socket connection part that is attached to the lower surface of the main body and has a socket for power supply, a plug-in connector part that is inserted into the socket, and an engaging part for clamping and fixing. a notch that is attached to the appliance body and covers the lower surface of the appliance body, through which the lamp socket passes and which engages with the engaging portion to clamp and fix the lamp socket together with the appliance body; A luminaire having a formed lower cover.