JPS6339850Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a rainproof compact fluorescent lamp lighting fixture.

[Background technology]

Conventionally, holders that hold covers that cover power supply blocks that supply power to lamps have not taken any consideration into attaching the cover or draining water that has entered from the outside, making it difficult to attach the cover to the holder. There was a problem that water could enter the power supply block.

[Purpose of invention]

The present invention has been proposed in view of the above-mentioned points, and is a lighting device that uses convex ribs to position the cover, prevents the cover from coming off when the glove is screwed into the holder, and also has a drain function. The purpose is to provide equipment.

[Disclosure of invention]

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 6 shows a cross-sectional view of the entire lighting fixture, with an arm 9a projecting laterally from the flange 9, and a saucer-shaped main body case 1 attached to this arm 9a. A circular holder 4 is fixed to the inside (top surface) of the main body case 1 by sandwiching it with a support fitting 2, and a base 8a of a glove 8 covering the lamp 7 is attached to a waterproof packing 2 on the outer periphery of the holder 4.
2, and has a bracket structure. Figures 2 and 3 show the socket base 12 to which the lamp 7 is attached, and the socket base 1.
2 shows a support metal fitting 3 to which the support metal fitting 3 is fixed, and the support metal fitting 3 is bent into a substantially U-shape. T-shaped pieces 25, 2 are provided at opposing ends of the upper piece 3b of the support fitting 3, respectively.
5 is bent downward, and three protrusions 23 are provided on both sides of the socket base 12 to correspond to the T-shaped pieces 25. The socket base 12 is fitted between the T-shaped pieces 25 using the elasticity of the support fitting 3, the two upper protrusions 23 of the socket base 12 are fitted on both sides of the T-shaped piece 25, and the lower protrusions 23 into the lower side of the T-shaped piece 25, and attach the socket base 12.
is held and fixed to the support fitting 3. Further, a pair of outlet grooves 26 for the lead wires 24 are provided in the side piece 3a of the support fitting 3, and the lead wires 24 are separated into two leads to the glow socket 10 side and the ballast power source side, respectively. The direction of the notch in the outlet groove 26 is such that the lead wire 24 that exits on the glow socket 10 side is in the opposite direction (ballast 11 side) from the direction in which the glow socket 10 is installed, and the ballast power supply side is similarly cut out facing in the opposite direction. be. This is to prevent the lead wire 24 from shifting when the support metal fitting 3 is inserted into the support metal fitting 2.

The support fitting 2 for holding and fixing the support fitting 3 is formed in a U-shape as shown in FIG. It is formed in In other words,
This tongue piece 13 is formed to be the same or slightly larger than the width direction of the support metal fitting 3, and when the support metal fitting 3 is fitted into this support metal fitting 2, as shown in FIG. The supporting metal fitting 3 is prevented from opening by coming into contact with or in close proximity to the outer surface of the metal fitting 3. Further, a locking piece 14 cut out in a U-shape is formed diagonally on the side surface 2a of the support fitting 2, and this locking piece 14 is inclined inward by a dimension α as shown in FIG. are doing. That is, the support fitting 3 holding and fixing the socket base 12 is inserted from above the side piece 2a of the support fitting 2.
When it is inserted between the parts, the side piece 2a of the support metal fitting 2 is elastically deformed outward, so that the support metal fitting 3 is fitted into the support metal fitting 2, and the lower end of the locking piece 14 is positioned on the upper surface of the support metal fitting 3. , to prevent the support fitting 3 from coming off. Furthermore, a glow socket 10 for mounting a glow bulb 10a and a stabilizer 11 are screwed to both side pieces 2a of the support fitting 2. Incidentally, the width dimension γ of the support fitting 2 and the width dimension β of the support fitting 3 are formed to be approximately the same size (β≦γ), and the lamp 7 having the base portion 7a having the same dimension as this dimension β is the support fitting. The lamp 7 is guided by the inner side of both side pieces 3a of the lamp 3 and attached to the socket base 12, and is held by the springs 5 fixed to both sides of the support metal fitting 3. In this way, the power supply parts of the lamp 7 are divided into blocks with the minimum necessary dimensions to form a power supply block. In addition, the power supply parts can be fixed to the support fitting 2 without screws, and the entire exterior of the socket base 12 is covered with sheet metal, so that the ballast 11 and the glow bulb 1 can be fixed.
0a, the temperature can be protected from the lamp 7, etc.

The power supply block is covered with a cover 6 as shown in FIG. 6, and this cover 6 is fixed to the holder 4. Holder 4 is attached to main case 1
A rising piece 4b rising from the bottom 4a, a mounting piece 4c integrally extending outward from the upper end of the rising piece 4b, and a screw of the globe 8 formed rising from the mounting piece 4c. It has a saucer shape and is composed of a portion 4d. A convex rib 15 is integrally formed between the rising piece 4b and the mounting piece 4c of the holder 4 over the entire circumference. A collar 21 is integrally formed outside the entire circumference of the base of the cylindrical cover 6, and the collar 21 of the cover 6 is placed on the upper surface of the mounting piece 4c of the holder 4, and the packing 16 is placed on it. As the base 8a of the glove 8 is screwed onto the threaded portion 4d, the end face of the base 8a of the glove 8 is clamped and fixed by the mounting piece 4c via the gasket 16. Here, the convex rib 15
The height is set as follows. In other words, the glove 8 when the glove 8 is screwed in as far as possible
The height dimension (b) of the convex rib 15 from the mounting piece 4c is set higher than the dimension (a) between the end surface of the base portion 8a and the mounting piece 4c. That is, the convex rib 15 is made higher than the end surface of the base of the globe 8. Therefore, the cover 6 can be positioned, and the glove 8 can be positioned.
After is screwed into the threaded part 4d of the holder 4,
The convex rib 1 in which the cover 6 is located inside the cover 6
5, so the cover 6 cannot be removed. In addition, in case this convex rib 15
If water enters the threaded portion 4d of the holder 4, it can be drained, and if the holder 4 is provided with a drainage hole, water will not enter the power supply block when the lamp is lit upward. In addition, since the dimensions and shape of the glove 8 must take into account variations in molding dimensions, the lower end of the glove 8 and the flange 21 of the cover 6 should be adjusted as described above.
A packing 16 is provided between the two. This packing 16 also has a waterproof effect and serves to prevent the cover 6 from rattling.

[Effect of idea]

As described above, the present invention includes a power supply block that supplies power to the lamp, which is disposed in a holder, and a flange that protects the power supply block and protrudes outward from the lower edge of the cylindrical cover that is placed around the outer periphery of the power supply block. The flange of the cover is sandwiched between the holder and the end face of the base of the globe that is screwed onto the outer peripheral edge of the holder to cover the lamp, through the gasket, and protrudes higher than the end face of the base of the globe when tightened to the holder. Since the convex rib is integrally formed with the part of the holder located inside the cover, the convex rib allows the cover to be positioned and prevents the cover from coming off when the glove is screwed in. It also has the advantage that it can be waterproofed by the packing, and even if water gets in, it can be drained by the convex ribs.Furthermore, the cover is held between the holder and the glove. This has the advantage that the cover will not fall even if the lighting fixture is turned on downward.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view of essential parts of an embodiment of the present invention, Fig. 2 is a perspective view of the same support fitting and socket base, and Fig. 3 is a perspective view of the same support fitting and socket base.
Figure 4 is an exploded perspective view of the same power supply block as above, Figure 5 is a plan view of same as above, Figure 6 is an explanatory diagram of the same as above.
The figure is a sectional view of the entire lighting fixture. 4 is a holder, 6 is a cover, 7 is a lamp, 8 is a glove, 15 is a convex rib, 16 is a packing, 21
indicates the tsuba.

Claims (1)

[Scope of utility model registration request] A power supply block that supplies power to the lamp is disposed in the holder, and a flange is formed that protects the power supply block and protrudes outward from the lower edge of the cylindrical cover arranged around the outer periphery of the power supply block, and is connected to the outer periphery of the holder. The brim of the cover is held between the end face of the base of the glove that screws on to cover the lamp and the holder via the gasket, and the convex rib that protrudes higher than the end face of the base of the glove when tightened to the holder is placed inside the cover. A lighting fixture that is integrally formed from the holder part located at the holder.