JPS6336623Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a socket for a fluorescent lamp, particularly a socket for a two-lamp type fluorescent lamp.

In general, a socket for a fluorescent lamp, for example, a socket for a two-lamp lighting type fluorescent lamp, has locking grooves 2 formed on both sides of the mounting portion 1a of the socket 1, as shown in FIG.
This locking groove 2 is fixed to a mounting surface such as a ceiling or wall, and a socket mounting bracket 4 is fixed near both ends of a device main body 3 in which electric circuit components such as a switch and a ballast are stored. It is inserted into each locking edge 5 that bends and projects on the opposite side of both side plates 4a and is held.
By the way, in recent years, in order to improve the appearance of fluorescent lamps or to reduce costs, the width of the main body of the device has become increasingly narrower, and along with this, the width of the socket mounting part has also become narrower and narrower. . Therefore, with the conventional socket for two parallel-lit fluorescent lamps, which has four socket terminals on the mounting part for wiring connections to electrical circuit components inside the appliance body, it is not possible to provide a large insulation distance due to dimensions. There is a risk of short-circuit accidents, and soldering is extremely difficult.Moreover, the soldering work must be done using a soldering iron with a thin tip, which reduces workability in terms of heat capacity. The drawback was that it was bad and did not improve efficiency.

In view of the above-mentioned drawbacks of the prior art, this invention aims to provide a socket for two parallel lighting type fluorescent lamps having a new structure that improves and eliminates these drawbacks. An example will be explained as follows.

In Figures 2 to 4, reference numeral 6 denotes an oval-shaped socket body made of electrically insulating synthetic resin, with a partition wall 7 on its upper surface (the side to be attached to the socket mounting bracket) on the back side. is integrally formed with. Two openings 8 are formed in the center of the partition wall 7, and two notches 9 are provided at regular intervals on both sides of the openings. Each locking edge 1 is bent and protrudes from opposite sides of both side plates of the provided socket mounting bracket 11.
A U-shaped mounting portion 14 with locking grooves 13 formed on both sides for insertion into the socket body 2 and holding the socket body is provided by integral molding. Reference numeral 15 denotes a front plate made of electrically insulating synthetic resin and fixed with rivets or the like to cover the front opening of the socket body 6, and has two window holes 16 along its long axis. Reference numeral 17 denotes a movable plate made of electrically insulating synthetic resin having cap pin insertion holes 18 and 19 for the fluorescent lamp. Contact pieces 20 and 21, which are a set of two leaf spring-like contact pieces made of conductive metal plates provided on the inner surface, are compressed between the push plate 22 and the back surface of the socket body 6 via the push plate 22. The peripheral edge is elastically locked inside the hole edge of the window hole 16 by pressing with an interposed coil spring 23, so that the base pin of the fluorescent lamp can be inserted into the hole 1.
8, 19 and press the tips against the contact pieces 20, 21, and move the movable plate 17 against the elasticity of the coil spring 23 to push the front plate 15.
The connection is supported by retreating further inside the main body 6. The contact pieces 20 and 21 each have a terminal formed by bending their bases, and in particular, the terminal of one contact piece 20 is fitted into an opening 8 provided on the upper surface of the socket body 6 to form a socket terminal 20a. , the terminal 21a of the other contact piece 21 is fitted between two protruding short rods 24 integrally formed to protrude from the back surface of the socket body 6, and the terminal 21a is connected by soldering. The lead wire 25 is inserted through a notch 9 provided at the center of the upper surface of the socket body 6 to be taken out to the outside.

According to the above structure, only two socket terminals are required to be provided on the mounting portion 14 at the center of the upper surface of the socket main body 6. Therefore, even if the width of the device main body becomes narrow, the socket terminals can be provided at sufficient intervals. Therefore, a large insulation distance can be achieved.

As explained above, according to this invention, it is possible to increase the insulation distance of the socket terminal at the mounting part of the socket body, preventing short circuit accidents, and simplifying soldering, which improves work efficiency. improves.

[Brief explanation of the drawing]

Figure 1 is a front view showing a conventional socket for two parallel-lit fluorescent lamps attached to the main body of the device;
The figure is a partially cutaway front view showing a socket for two parallel-lit fluorescent lamps of this invention, Figure 3 is a plan view thereof, and Figure 4 is a longitudinal sectional side view taken along the line shown in Figure 2. . 6...Socket body, 8...Opening, 9...Notch, 14...Mounting part, 15...Front side plate, 17...
Movable plate, 20, 21... contact piece, 20a... socket terminal, 24... protruding short bar, 25... lead wire.

Claims (1)

[Scope of utility model registration request] Two sets of contact pieces, each of which contacts the base pin of a fluorescent lamp, are arranged inside both sides of the socket body, and one contact piece of each set is attached to the top surface of the socket body. electrically connected 2
In addition to arranging several socket terminals in parallel, lead wires are inserted through the partition wall portions on both sides of the socket terminals, and the inner ends of the lead wires are connected to the other contact piece of each set of contact pieces. A fluorescent lamp socket featuring: