JPS6321105Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a terminal block having a connector for holding a printed circuit board, in which a printed circuit board other than the printed circuit board is interposed between the terminal block part and the connector, and a printed conductor path is used. Since the respective terminals of the terminal block section and the connector are connected, the above-mentioned connection work can be made extremely easy, quick and reliable.Moreover, it is possible to connect multiple terminals to each row of the terminal block section where multiple rows are arranged side by side. Since the printed circuit board is installed parallel to the bottom of the terminal block, it is possible to obtain a small and thin terminal block even with an extremely large number of pins, which makes it possible to further downsize various electronic devices. In other words, a plurality of terminals 2, 2, 2, etc. can be attached to each row of the terminal block section 1, which has a plurality of rows arranged in parallel, and each terminal 2
and each terminal 4 of the connector 3 for inserting and connecting the printed circuit board P ₁ to the printed circuit board.
Printed conductor track 5 of printed circuit board P ₂ separate from P ₁
It is characterized in that the printed circuit board _P2 is provided parallel to the bottom surface of the terminal block section 1.

Conventionally, in order to connect the terminals of a terminal block to the ends of printed conductor paths on a printed circuit board, each terminal is soldered to each printed conductor path, which requires time and effort. Furthermore, it is often necessary to change the printed circuit board depending on the purpose, such as failure of transistors, ICs, etc. installed on the printed circuit board, or changes to the circuit, but soldering is extremely inconvenient. Furthermore, the center spacing between the terminals of a terminal block that conforms to existing standards is much wider than the spacing between the printed conductor ends of a printed circuit board (while the spacing between the printed conductor ends is 2 to 4 mm). For example, the spacing between screw type terminals is 10 mm), and if the holding means for the printed circuit board is formed to match the terminal spacing of the terminal block, it will be necessary to form an extremely large printed circuit board with conductor paths printed at wide intervals (for example, 10 mm). It is inconvenient.

In order to solve the above-mentioned inconvenience, the present inventor once incorporated small-spaced connectors that fit the existing printed circuit board into a large-spaced terminal block that met the standard, and also made it possible to connect each terminal between the terminal block and the connector. A device connected by electric wire was devised, and the application was filed in 1987-9397.
(Utility Model Application No. 55-109282).
However, it is extremely difficult to insert a soldering iron into the space between the terminal block and the connector to solder the ends of the wires and each terminal, and requires a lot of effort, skill, and time. must be prepared.

In addition, in the previous example, the connector was placed directly below the terminal block in series, so if there were a large number of terminals, that is, the number of poles, the connector would be extremely long, and it would require soldering, so it was necessary to widen the gap between the terminal block and the connector. However, if the number of poles is increased in the previous example, it becomes longer both vertically and horizontally, resulting in an increase in size, which has the disadvantage that it cannot be used in boxes for centrally controlled equipment, etc., which are currently trending toward miniaturization.

This idea eliminates these inconveniences,
Next, to explain the structure of a specific example in detail, a large number of terminal fittings 2a are manufactured in which the screw connection portion 2' with the external electric wire W is inclined and the terminal 2 is extended vertically.
In addition, a base 6 having a rectangular planar shape and a lid-like shape, and a terminal block portion 1 having six poles in one row and arranged in five rows are integrally formed using an insulating material, and the terminal block is made of an insulating material. The top surface 1a of the base 1 is inclined, a small protrusion 7 having a screw hole 7' is formed on the bottom surface of the base 6, and each terminal fitting 2a is arranged on each pole 8, and a screw 9 is screwed into the terminal part. 2' is tilted and fixed to the table top surface 1a,
The terminal 2 is connected to the terminal block part 1 and the base 6 connected thereto.
Protrude further downward, while the printed circuit board is placed on the bottom surface.
An insulating container 4a having an insertion port 10 for P ₁ is formed, mounting pieces 11, 11 having screw insertion holes 11' are formed on diagonal sides of the insulating container 4a, and mounting pieces 11, 11 are formed inside the insulating container 4a. Separators 12, 12... are integrally formed, and a conductive spring 1 for clamping is provided between the partition walls 12, 12...
3, 13, 13... are provided, and the shape of each conductive spring 13 is made into a pair of J-shapes facing each other as shown in the second figure to provide elasticity and are integrated at the top to form a terminal 4, and this terminal 4 is insulated. A connector 3 is formed by protruding from the upper surface of the container 4a, and 30 conductor paths 5, 5, 5, . . . are connected to a rectangular printed circuit board _P2 .
..., and set the distance L ₁ between one end of the conductor paths 5, 5 to be equal to the center distance L ₂ of the screws 9, 9, for example, 10 mm, and set the distance L ₁ between the other end to the center distance L ₂ between the terminals 4, 4. For example, 3 mm is set equal to , and connection holes 5' and 5' are bored at both ends of each conductor path 5,
Connecting holes 5', 5', 5'... to terminals 4, 4, 4...
... and attach the printed circuit board P ₂ to the connector 3 using screws 14 and nuts 15,
After that, each terminal 4 is connected to each conductor path 5 by soldering, and the printed circuit board P ₂ with this connector 3 is connected.
is accommodated in the base 6 and provided in the terminal block portion 1 as shown in FIG.
5'... through the terminals 2, 2, 2... and fix the printed circuit board P ₂ to the bottom surface of the base 6 with an extremely small distance l ₃ using the screws 16, 16..., and then solder each terminal. Connect terminal 2 to each conductor path 5
It connects to Incidentally, reference numeral 17 in the figure is a hole for attaching this entire example of the invention to an electronic device.

Next, to explain how to use this example of the invention, when the printed circuit board P ₁ is inserted through the insertion port 10, the conductive springs 13 for clamping the front and back sides of the printed circuit board P ₁ , including each printed conductor path 18, will be elasticized. The external electric wire W is connected to the screw 9 from diagonally above. In addition, if the screw 9 part is inclined as in this example of the invention, even if there are multiple rows of the terminal block parts 1, the external electric wires will not come into contact with each other, and connection can be made extremely easily and quickly. be.

In this way, this invention connects the terminals on the terminal block and the connector terminals via the printed conductor paths on the printed circuit board, making the soldering operation much easier, faster, and more reliable than in conventional methods.
Moreover, there is no need to prepare several types of electric wires, and since the printed circuit board is installed parallel to the bottom surface of the terminal section rather than perpendicular to it, the distance between the bottom surface of the terminal block section and the printed circuit board can be as close as possible to create a thin terminal block. Furthermore, since the terminal block sections are arranged in multiple rows in parallel, rather than in a horizontally long line, the device can be made smaller. It can be used with the standard spacing and without increasing the size of the existing printed circuit board, and it can be used as a small size, and it is extremely easy to connect the terminal block and connector, especially when forming an extremely large number of poles. However, it is possible to obtain a thin and small terminal block, and it is possible to provide the optimum terminal block for electronic devices that desire miniaturization.

[Brief explanation of drawings]

The figures show an example of this invention. Figure 1 is a partially cutaway plan view, Figure 2 is a front view with the same part cut away, Figure 3 is a side view with the same part cut away, and Figure 4 is a partially cutaway side view.
The figure is a bottom view. 1...Terminal block section, 2, 4...Terminal, 3...Connector, 5...Printed conductor path, _P1 , _P2 ...Printed circuit board.

Claims (1)

[Scope of utility model registration request] A plurality of terminals 2, 2, 2... are attached to each row of the terminal block section 1 in which a plurality of rows are arranged in parallel, and each terminal 2 and
Each terminal 4 of the connector 3 for inserting and connecting the printed circuit board P ₁ to the printed circuit board P ₁
The terminal block is connected via a printed conductor path 5 of a printed circuit board P ₂ separate from the terminal block P 2 , and furthermore, the printed circuit board P ₂ is provided parallel to the bottom surface of the terminal block section 1 .