JPH0313973Y2 - - Google Patents

Description

[Detailed description of the invention] Purpose of the invention (industrial application field) The present invention is a quick-response device for fluorescent lamp ballasts that can quickly electrically connect the core end of an electric wire to the ballast terminal of a fluorescent lamp ballast. It relates to a connection terminal device.

(Background of the invention) Conventionally, when connecting a core wire end of an electric wire to a ballast terminal of a fluorescent lamp ballast, the core wire end is soldered to the ballast terminal. However, there is a problem in that the work of connecting the core wire end to the ballast terminal by soldering is troublesome and requires skill.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a quick connection terminal device for a fluorescent lamp ballast, which can quickly electrically connect the core end of an electric wire to a ballast terminal.

Structure of the invention (means for solving problems) The quick connection terminal device for a fluorescent lamp ballast according to the invention is as follows:
The terminal connection plate integrally includes a fitting connection plate portion into which the ballast terminal of the main body for a fluorescent lamp ballast is fitted and electrically connected, and a standing wall plate portion which electrically connects the core end of the electric wire. It is housed in a terminal block that is attached to the fluorescent lamp ballast main body and into which the core wire terminal is inserted, and when the core wire terminal is inserted into the vertical wall plate part, the core wire terminal is bent in the insertion direction due to the insertion force. A leaf spring is formed which allows insertion while pressing the core wire terminal, and when the core wire terminal is pulled out, bites into the core wire terminal by the pulling force and prevents the core wire terminal from being pulled out, and the terminal connecting plate is connected to the terminal block. A spring piece part is formed to be bent when the ballast terminal is stored in the terminal block in order to hold the ballast terminal in the mounting part without rattling, and the fitting connecting plate part is formed with a spring piece part that is bent when the ballast terminal is fitted into the terminal block. A spring piece portion is formed to bend and press the ballast terminal, and the ballast terminal is fitted into the fitting connection plate portion when the terminal block is attached to the fluorescent lamp ballast main body. shall be.

(Example) Hereinafter, an example of the quick connection terminal device for a fluorescent lamp ballast according to the present invention will be described with reference to the drawings.

In Figure 1, 1 is a ballast body for a fluorescent lamp, and the ballast body 1 for a fluorescent lamp is a U-shaped case 2.
The case 2 is provided with a ballast main body 3, and the ballast main body 3 is approximately connected to a bobbin 5 around which a coil 4 is wound and an iron core 6 fitted to the bobbin 5. . The bobbin 5 is provided with ballast terminals 7, 8 and an engagement hole 9.

A terminal block 11 is attached to the rear of the case 2, and as shown in FIG.
An engaging pawl 12 that engages with the engaging hole 9 is formed in the connector, and mounting portions 15 and 16 are formed on which a conductive connecting terminal plate 13 or a connecting terminal plate 14, which will be described later, is attached. On the terminal block 11, there are
Insertion holes 19 and 20 are provided for inserting and passing the electric wires 17 and 18 shown in the figure. Here, the number of insertion holes 19 and 20 is four in order to insert four electric wires therethrough. The connecting terminal plate 13 is the fourth
As shown in the figure, it is formed into an L-shape and is bent to the fitting connection plate part 21 which is fitted to the ballast terminals 7 and 8 and electrically connected to the fitting connection plate part 21. It consists of a standing wall plate part 22.

A spring piece portion 21b is formed on the flat surface portion 21a of the fitting connection plate portion 21 by cutting and bending the flat portion 21a. This spring piece portion 21b bends when the fitting connection plate portion 21 is fitted to the ballast terminals 7, 8, and presses the ballast terminals 7, 8, thereby stabilizing the connection terminal plate 13. The electrical connection with the terminals 7 and 8 is ensured. Standing wall board part 22
includes a pair of leaf springs 22a, 22b and a spring piece 22.
c, 22c are formed. The vertical wall plate portion 22 is fitted into the mounting portions 15 and 16, and the spring pieces 22c and 22c are fitted into the mounting portion 1 of the vertical wall plate portion 22.
It has a function of bending when attached to terminal blocks 5 and 16 and holding the connecting terminal plate 13 on the terminal block 11 without wobbling.

The leaf springs 22a, 22b are formed by cutting and bending the vertical wall plate part 22, and the cutting and bending parts of the vertical wall plate part 22 correspond to the core wire terminal insertion holes 22e, 22.
It becomes e. The base portions of the leaf springs 22a and 22b are provided on the side of the fitting connection plate portion 21, and are shaped to extend downward from the fitting connection plate portion 21. Furthermore, ribs 22d, 22d are formed on the leaf springs 22a, 22b, extending in the direction in which the leaf springs 22a, 22b extend. The connecting terminal plate 13 is connected to the ballast terminals 7 and 8 with small current capacity.
(for example, 3A or less), and here, the core terminal 30 of the electric wire 18 (see Fig. 6)
It is a two-point contact type that contacts at two points, and can be manufactured at low cost.

On the other hand, the connecting terminal plate 14 has a U-shape as shown in FIG. A spring piece portion 23b is formed by cutting and raising the flat portion 23a. This spring piece portion 23b is bent when the fitting connection plate portion 23 is fitted to the ballast terminals 7, 8.
8 are pressed into contact with each other, thereby ensuring electrical connection between the connecting terminal plate 14 and the ballast terminals 7 and 8. A pair of leaf springs 24a, 24 are provided on the vertical wall plate portion 24.
b and spring piece portions 24c, 24c are formed. The vertical wall plate portion 24 is fitted into the mounting portions 15 and 16, and the functions of the spring pieces 24c and 24c are the same as those of the spring pieces 22c and 22c. The leaf springs 24a and 24b are formed by cutting and bending the vertical wall plate part 24, and have their bases on the side of the fitting connection plate part 23, and have a shape that extends downward from the fitting connection plate part 21. The leaf springs 24a, 24b are formed with ribs 24d, 24d extending in the direction in which the leaf springs 24a, 24b extend, and the cut and raised portions of the leaf springs 24a, 24b are core wire terminal insertion holes 24e, 24e. This is also the same as in the case of the leaf springs 22a and 22b. This connecting terminal plate 14 is used for a ballast terminal with a large current capacity (for example, 3A or more), and the opposing plate part 25 has a large contact area with the core wire terminal 29 (see Fig. 5) of the electric wire 17. It is for the purpose of

The terminal block 11 has plate springs 22a, 22b, 24.
Through holes 25 and 26 are formed at locations facing a and 24b. The functions of the through holes 25 and 26 will be described later. The terminal block 11 is connected to the connecting terminal board 13
Alternatively, it is attached to the fluorescent lamp ballast main body 1 while holding the connecting terminal plate 14. At this time, the fitting connection plate portion 21,
The ballast terminals 7 and 8 are fitted to 23. after that,
The fluorescent lamp ballast main body 1 is covered with a live part cover 27, and the live part cover 27 is formed with an engaging claw 28 that engages with the bottom part 11a of the terminal block 11 (see FIGS. 5 and 6). ing.

According to the quick connection terminal device for a fluorescent lamp ballast according to the present invention, as shown in FIGS.
When inserting the core wire ends 29, 30 of No. 8 into the core wire end insertion holes 22e, 24e through the through holes 20, 19, the plate springs 22a, 22b, 24a, 24b are inserted by the insertion force of the core wire ends 29, 30. The core wire ends 2 by bending in the direction (arrow direction in the figure)
9, 30 while allowing them to be inserted into the terminal block 11, and the plate springs 22a, 22b, 24a, 2
4b presses the core wire ends 29, 30, an increase in contact resistance between the core wire ends 29, 30 and the connecting terminal plates 13, 14 can be avoided, and the connecting terminal plates 13
Or the core wire terminals 29, 30 via the connecting terminal plate 14
The electrical connection between the terminals 7 and 8 of the ballast is ensured. In addition, when pulling out the core wire terminals 29, 30, the plate springs 22a, 22b, 24a, 24b
It bites into the core wire ends 29, 30 by the pulling force and prevents the core wire ends 29, 30 from being pulled out. Here, due to incorrect wiring etc., the core wire terminal 2
9, 30 from the terminal block 11, insert a tool (not shown) into the through holes 25, 26, bend the leaf springs 22a, 22b, 24a, 24b in advance in the insertion direction, and release the biting. If you let me,
The core wire terminals 29 and 30 can be easily removed from the terminal block 11.

Effects of the invention The quick connection terminal device for fluorescent lamp ballasts according to the invention has the following features:
The configuration as described above provides the following effects.

The terminal connection plate is constructed by integrating the fitting connection plate portion of the fluorescent lamp ballast main body into which the ballast terminal is fitted and electrically connected, and the standing wall plate portion which electrically connects the core end of the electric wire. , it is easy to assemble the terminal connection plate to the terminal block.

In addition to forming a leaf spring on the vertical wall plate part, we also formed a spring piece part that is bent when stored in the terminal block in order to hold the terminal connecting plate in the mounting part of the terminal block without wobbling, so the terminal block It is easy to securely hold the terminal connecting plate to the terminal.

A spring piece is formed that bends and presses the ballast terminal when the ballast terminal is fitted to the fitting connecting plate part, thereby ensuring a reliable electrical connection between the ballast terminal and the fitting connecting plate part. In addition, the ballast terminal is fitted into the fitting connection plate part when the terminal block is attached to the fluorescent lamp ballast main body, so the connection can be made quickly. Therefore, electrical connections can be made quickly and reliably. It is possible to establish an electrical connection between the ballast terminal and the core wire terminal.

[Brief explanation of the drawing]

Fig. 1 is a partially exploded view showing the schematic structure of a fluorescent lamp ballast according to the present invention, Fig. 2 is an enlarged perspective view of the terminal block shown in Fig. 1, and Figs. 3 and 4 are the same as Fig. 1. FIG. 5 is a partial sectional view for explaining the state in which the core wire end of the electric wire is fixed using the connecting terminal plate shown in FIG. 3, and FIG. 6 is shown in FIG. 4. It is a partial sectional view for explaining the state where the core wire end of the electric wire is fixed using a connection terminal board. 1... Fluorescent lamp ballast body, 7, 8... Ballast terminal, 13, 14... Connection terminal board, 21, 23...
...Fitting connection plate portion, 22a, 22b, 24a, 24
b...Plate spring, 17,18...Electric wire, 29,30
... Core wire terminal.

Claims (1)

[Scope of utility model registration request] The terminal connection plate integrally includes a fitting connection plate portion into which the ballast terminal of the main body for a fluorescent lamp ballast is fitted and electrically connected, and a standing wall plate portion which electrically connects the core end of the electric wire. It is housed in a terminal block that is attached to the fluorescent lamp ballast main body and into which the core wire terminal is inserted, and when the core wire terminal is inserted into the vertical wall plate part, the core wire terminal is bent in the insertion direction due to the insertion force. A leaf spring is formed which allows insertion while pressing the core wire terminal, and when the core wire terminal is pulled out, bites into the core wire terminal by the pulling force and prevents the core wire terminal from being pulled out, and the terminal connecting plate is connected to the terminal block. A spring piece part is formed to be bent when the ballast terminal is stored in the terminal block in order to hold the ballast terminal in the mounting part without rattling, and the fitting connecting plate part is formed with a spring piece part that is bent when the ballast terminal is fitted into the terminal block. A spring piece portion is formed to bend and press the ballast terminal, and the ballast terminal is fitted into the fitting connection plate portion when the terminal block is attached to the fluorescent lamp ballast main body. A quick connection terminal device for fluorescent lamp ballasts.