JPH056712U - Connection structure of terminal fittings and circuit board - Google Patents

Abstract

(57) [Summary] [Purpose] To enable the terminal block to be soldered together with other electronic components. [Structure] The protruding piece 28A of the first vertical portion 27 and the second vertical portion
Insert the end 31 of the hole 30 into the hole 33 and the hole 35, lock the protrusion 31A on the bottom surface of the board 36, and attach the terminal fittings 26, 26A to the auxiliary board.
Temporarily fix it on 36. Next, after connecting the projecting piece 28A from the soldering portion 44 of the circuit board 32, the second vertical portion 30 and the connecting piece 34 are separated from the discarding board 36, and each connecting piece 29 is separated. Then, the terminal fittings 26, 26A and the terminal block body 22 are connected by the terminal screws 23.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to a connection structure of a plurality of terminal fittings and a circuit board.

[0002]

[Prior art]

  Conventionally, terminal fittings and circuits connected to multiple terminal screws provided on this type of terminal block As a connection structure with the substrate, for example, as shown in FIG. 7, the terminal block 1 is made of synthetic resin. The terminal block body 2 integrally formed of an insulating material and the terminal block body 2 in the vertical direction A plurality of terminal screws 3 and 4 arranged side by side and a partition wall 5 for partitioning the terminal screws 3 and 4 are provided as ends. The terminal block body 2 is formed integrally with the terminal block body 2, and The conductive L-shaped terminal fitting 6 is connected to the connection terminal 3, and the tip of the vertical portion 7 of the terminal fitting 6 is connected. The small-width protruding piece 8 formed on the upper portion of the circuit board 9 from the component mounting surface 9A on the upper surface side of the circuit board 9. The circuit pattern is inserted into the hole 10 formed in the circuit board 9 of Or the projecting piece 8 of the terminal fitting 6 is previously formed on the circuit board 9 in the hole 10 After connecting to the circuit pattern by the soldering part 11, 6 is connected to the terminal screw 3 on the bottom side of the terminal block body 2.

[0003]

[Problems to be solved by the device]

  In the above-mentioned conventional example, when the terminal block 1 is attached to the circuit board 9, the terminal block 1 is previously prepared. Other electronic components than the above are connected to the circuit board 9 by soldering with a solder bath or the like, and then The projecting pieces 8 of the terminal fittings 6 are manually soldered and connected to the circuit board 9 one by one. This is necessary, especially when the number of terminal screws 3 is large, which is troublesome. However, it had a problem that its workability was extremely poor.

[0004]   Therefore, the present invention makes it possible to solder the terminal block together with other electronic components. An object is to provide a connection structure between a terminal fitting and a circuit board.

[0005]

[Means for Solving the Problems]   According to the present invention, the end of the first vertical portion of the L-shaped terminal fitting is inserted into the hole formed in the circuit board. Insert and solder to connect the terminal fittings to the terminal block body. In the connection structure of the terminal metal fittings and the circuit board that are connected to each other, connect between the above-mentioned terminal metal fittings To form a detachable connecting piece and disconnect it to a part of the terminal fitting. By forming a possible second vertical part and locking the ends of this second vertical part Separate the discarded board from which the terminal boards can be temporarily fixed from the circuit board. It is formed so as to be possible.

[0006]   In addition, the present invention uses L-shaped terminal fittings on a plurality of terminal screws arranged in parallel on the terminal block body. Connect and insert the end of the first vertical part of this terminal fitting into the hole formed in the circuit board. In the connection structure between the terminal fitting and the circuit board that are soldered together, Forming a second vertical portion that can be detached, and locking the end of the second vertical portion. The circuit board is a waste board on which the terminal block body can be temporarily fixed. It is formed so as to be more separable.

[0007]

[Action]

  With the above structure, the end of the second vertical portion formed on the terminal fitting is discarded and locked to the board. By disposing the terminal metal fittings, the terminal metal fittings are discarded and temporarily fixed to the board, and then the terminal metal fittings are formed. Is the end of the first vertical part connected to the circuit board soldered together with other electronic components? From the circuit board and the end of the second vertical portion, and the connecting pieces. Disconnect, and connect each terminal fitting to the terminal block body with terminal screws. .

[0008]   Also, with the above configuration, the end portion of the second vertical portion formed on the terminal fitting is soldered. After connecting, the terminal block body is discarded and temporarily fixed to the board. Solder and connect the end of the first vertical part to the circuit board together with other electronic components. The discarding board is separated from the circuit board and the end of the second vertical portion.

[0009]

【Example】   Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[0010]   1 to 4 show a first embodiment of the present invention, in which 21 is a terminal block. , The terminal block 21 is vertically arranged with respect to the terminal block body 22 which is integrally formed of a synthetic resin insulating material. A plurality of terminal screws 23 and 24 are arranged in parallel in the direction, and the terminal screws 23 and 24 are partitioned. Therefore, partition walls 25 are formed in both the upper and lower directions. 26, 26A is the bottom of the terminal block body 22 It is a conductive L-shaped terminal fitting that can be connected to the terminal screw 23 on the A has a small protruding piece 28A protruding from the end 28 of the first vertical portion 27, A detachable connecting piece 29 is formed to connect the child metal fittings 26, 26A to each other. There is. Further, the terminal fittings 26a on both ends project in the same direction as the first vertical portion 27. The second vertical portion 30 is formed, and the end portion 31 of the second vertical portion 30 is convex to one side. The part 31A is formed. On the other hand, 32 is a terminal block 21 and electronic parts (not shown) A circuit board to be mounted on the mounting surface 32A. A hole 33 into which the piece 28 is inserted and which can be connected by soldering is formed, and both sides of the circuit board 32 are formed. A disconnectable connecting piece 34 is formed at the outer end of the connecting piece 34, and a second connecting piece 34 is formed outside the connecting piece 34. A discard board 36 having a hole 35 into which the projecting piece 31 is inserted and which can be connected by soldering and has the same width as the circuit board 32. To form. Reference numeral 37 denotes a highly conductive chassis that closes the component mounting surface 32A of the circuit board 32. And a receiving portion 38 formed by bending the both sides of the chassis 37 and the terminal block book. The two ends 22A of the body 22 are brought into contact with each other, and the chassis 37 and the terminal block are attached by the screw 39 and the nut 40. Fix 21 and. In addition, the ground terminal 41 is connected to the circuit board 32 through the lead wire 42. This ground terminal 41 is fixed to the chassis 37 with screws 39 and nuts 40. Configure to wear.

[0011]   Next, the operation of the above configuration will be described.

[0012]   First, as shown in FIGS. 3 and 4, the protrusion 28A of the first vertical portion 27 is attached to the circuit board 32. Insert the end 31 of the second vertical portion 30 into the hole 33 of the substrate 36 while inserting it into the hole 33, Provided on both ends of the circuit board 32 by locking the convex portion 31A on the bottom surface of the discarding board 36. The respective terminal fittings 26, 26A to be disposed are discarded and temporarily fixed on the substrate 36. Next, the part of the circuit board 32 Place each electronic component on the product mounting surface 32A, and place it on the bottom side of the circuit board 32 together with the protruding piece 28A. After simultaneously connecting with the re-soldering part 44, the second vertical part 30 and the connection piece 34 are connected. The connection board 29 is separated from the discarding board 36 and is separated. And become a standalone Connect the terminal screws 23 to the terminal fittings 26 and 26A, respectively. And the terminal block body 22 is connected to the circuit board 32 via the terminal fittings 26, 26A as shown in FIG. Various electrical connections from the top side of the terminal block body 22 via the terminal screws 24. To do.

[0013]   As described above, in the present embodiment, regardless of the number of terminal screws 23, the second screw is used in advance. Only by locking the end 31 of the vertical portion 30 with the convex portion 31A, the discarded substrate 36 and the terminal fitting 26, Since it is temporarily fixed to the 26A, it can be connected to other electronic components mounted on the circuit board 32 thereafter. Both terminal metal fittings 26, 26A are soldered to the circuit board 32 at the same time using a solder bath. The terminal block body 22 can then be mounted on the circuit board 32, eliminating the hassle of trouble. The workability can be greatly improved.

[0014]   1, 2, 5, and 6 show a second embodiment of the present invention, which is the same as the first embodiment. Minutes are given the same reference numerals and detailed description thereof is omitted.

[0015]   In this embodiment, as shown in FIG. 5 and FIG. After connecting to the terminal block body 22 via the child screw 23, it is formed on the end 31 of the second vertical portion 30. The protruding small piece 31B is locked, and the protruding piece 31B is connected by the soldering portion 43. Each terminal block body 22 is discarded and temporarily fixed on the substrate 36. Then, the projecting piece 28A is used as another electronic After simultaneously connecting with the soldering portion 44 of the circuit board 32, the second vertical By removing the portion 30 and the connecting piece 34 from the substrate 36, as in the first embodiment, Without forming the connecting piece 29, the terminal block body 22 is connected to the terminal metal fitting 26 as in FIGS. 1 and 2. , 26A to connect to the circuit board 32.

[0016]   It should be noted that the present invention is not limited to the above-described embodiment, but is within the scope of the gist of the present invention. Various modifications can be made in. For example, in the embodiment the second vertical section Are provided at both ends of the connection terminal, but can be changed depending on the number of terminal screws. It is possible to

[0017]

[Effect of device]

  According to the present invention, the end of the first vertical portion of the L-shaped terminal fitting is inserted into the hole formed in the circuit board. Insert and solder to connect the terminal fittings to the terminal block body. In the connection structure of the terminal metal fittings and the circuit board that are connected to each other, connect between the above-mentioned terminal metal fittings To form a detachable connecting piece and disconnect it to a part of the terminal fitting. By forming a possible second vertical part and locking the ends of this second vertical part The discarded board that can temporarily fix the terminal fittings can be separated from the circuit board. The present invention has a plurality of terminals arranged side by side on the terminal block body. Connect the L-shaped terminal fitting to the terminal screw of and connect the end of the first vertical part of this terminal fitting. Insertion into the hole formed in the circuit board and solder connection to connect the terminal metal fittings and the circuit board In the structure, a detachable second vertical portion is formed in a part of the terminal fitting, and Fixing each of the connecting fittings by soldering the end of the second vertical part of the The discardable board that can be separated is formed so that it can be separated from the circuit board. It is possible to solder the terminal block together with other electronic parts. A connection structure between a terminal fitting and a circuit board can be provided.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention after a discarded substrate is cut off.

FIG. 2 is a cross-sectional view of an essential part after the discarding substrate is separated according to the embodiment of the present invention.

FIG. 3 is a perspective view of the first embodiment of the present invention before separating the discarded substrate.

FIG. 4 is a front view of the first embodiment of the present invention before separating the discarded substrate.

FIG. 5 is a perspective view of a second embodiment of the present invention before a discarded substrate is cut off.

FIG. 6 is a front view of a second embodiment of the present invention before a waste substrate is cut off.

FIG. 7 is a perspective view of a main part showing a conventional example.

[Explanation of symbols]

22 Terminal block body 26, 26A terminal bracket 27 First vertical part 28 Edge 29 Connecting piece 30 Second vertical part 31 edge 32 circuit board 36 Discarded board

Claims (2)

[Scope of utility model registration request] 1. An end portion of a first vertical portion of an L-shaped terminal fitting is inserted into a hole formed in a circuit board for soldering connection,
In a connection structure of a terminal fitting for connecting this terminal fitting to a plurality of terminal screws arranged in parallel on the terminal block main body and a circuit board, a detachable connecting piece for connecting between the terminal fittings is formed, and the terminal fitting is formed. A separable second vertical portion is formed on a part of the base plate, and the terminal board can be temporarily fixed by locking the end of the second vertical portion. A connection structure between a terminal fitting and a circuit board, which is formed so as to be possible. 2. An L-shaped terminal fitting is connected to a plurality of terminal screws arranged in parallel on the terminal block body, and an end of the first vertical portion of the terminal fitting is inserted into a hole formed in the circuit board. In the connection structure of the terminal metal fitting and the circuit board to be connected by soldering, by forming a detachable second vertical portion in a part of the terminal metal fitting, and locking the end portion of the second vertical portion. A connection structure between a terminal fitting and a circuit board, wherein a waste board on which the terminal block body can be temporarily fixed is formed so as to be detachable from the circuit board.