JPH11301440A - Terminal board and its component fixing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable positioning in a simple structure. SOLUTION: In this terminal board 2, a first connecting terminal connected with a wire harness is placed on one surface of a given-shaped flat plate body (insulation board) 10, and second connecting terminals 4 connected with solenoid valves are exposed in penetrating holes 11,..., 12,... formed at given positions on the insulation board 10, the first connecting terminal is electrically connected with a given one of the second connecting terminals 4 with a wiring pattern. Positioning guides 14, 14,... used for arrangement of the solenoid valves are formed on the other surface 13 of the terminal board 2, the positioning guides 14 are constituted with positioning protrusions projecting to the central part of the insulation board 10. The side surface of these positioning protrusions is formed in a shape parallel with the outer periphery of the solenoid valves.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal board used for connecting one electric circuit to another electric circuit, and more particularly to a terminal board having electric components of the other electric circuit mounted thereon. The present invention relates to a terminal board in which a positioning guide used for fixing is formed on a surface of the terminal board, and a method for fixing components thereof.

[0002]

2. Description of the Related Art Conventionally, this type of terminal board has a first connection terminal for connecting one electric circuit, a second connection terminal for connecting the other electric circuit, and
A wiring pattern for electrically connecting predetermined connection terminals among the second connection terminals is provided (for example, Japanese Utility Model Application No. Sho 62-36313 (Japanese Utility Model Application Laid-Open No. 63-36313)). No. 143017). One electric circuit connected to such a terminal board is, for example, a wire harness of an automobile, and the other electric circuit is, for example, an electromagnetic circuit used for hydraulic control of an anti-lock brake system of an automobile. Examples include solenoids for valves.

The terminal board having such a structure is used, for example, as follows. That is, the solenoid valve is mounted on the terminal board, and the solenoid is connected to the second connection terminal. Next, the terminal board on which the solenoid valve is mounted and fixed as described above is stored in the cover body. The cover body containing the solenoid valve and the terminal board is installed at the place of use. Then, the wire harness is connected to a first connection terminal of the terminal board. In this way, the electric circuit is connected to the terminal board for use.

[0004]

However, in the above-mentioned conventional terminal board, when mounting the solenoid valve on the terminal board, the terminal board and the solenoid valve are each set on a jig, and both the jigs are set. It is necessary to perform accurate positioning, which complicates the structure of the jig,
There has been a problem that the assembly cost is high.

An object of the present invention is to solve the above-mentioned conventional problems and to provide a terminal board which can be positioned with a simple structure, and a method of fixing components thereof.

[0006]

According to a first aspect of the present invention, a first connection terminal for connecting one electric circuit to one surface of a plate having a predetermined shape is provided. A second connection terminal to which the other electric circuit is connected is exposed to a through hole formed at a predetermined position of the flat plate, and a predetermined one of the first connection terminal and the second connection terminal is exposed. A connection board electrically connected by a wiring pattern, and a positioning guide used for arranging electric components of the other electric circuit is formed on the other surface of the terminal board. It is characterized by the following. According to the present invention, a positioning guide is formed on the other surface of the terminal board, and when the electric component of the other electric circuit is mounted and arranged on the other surface of the terminal board, the positioning guide forms an electric signal. Since the components are guided, positioning can be easily performed with a simple structure.

According to a second aspect of the present invention, in the first aspect of the present invention, the positioning guide comprises a positioning projection protruding from a central portion of the flat plate. It is. Since the positioning projection is provided at the center of the flat body as described above, the positioning is facilitated, and the electric component is guided to the projection and smoothly positioned at the predetermined position.

According to a third aspect of the present invention, in the first or second aspect of the invention, the positioning guide is formed such that a side surface of the positioning projection is formed in a shape along the outer shape of the component. Is what you do. Since the shape of the positioning guide conforms to the outer shape of the electric component, that is, the shapes of the two components match, the positioning can be accurately performed and firmly fixed.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the electric component is fixed on the other surface of the terminal board from the surface of the flat body. A mounting member positioned at a distance is formed at a part around the through hole.
Since the mounting member separates the electrical component from the surface of the plate by a predetermined distance, a space is formed between the flat plate and the electrical component, thereby reducing the influence of heat generation and the like.

According to a fifth aspect of the present invention, in the first aspect of the present invention, the positioning guide is formed longer than the placing member. It is. Thereby, the space is formed between the flat body and the electric component by the mounting member as described above, so that the influence of heat generation of the electric component can be reduced. It can be easily and accurately positioned at a predetermined position.

According to a sixth aspect of the present invention, a first connection terminal to which a wire harness is connected is disposed on one surface of a flat plate having a predetermined shape, and is formed at a predetermined position on the flat plate. The second connection terminal to which the pressure control solenoid valve of the vehicle is connected is exposed to the through hole formed, and a predetermined connection terminal between the first connection terminal and the second connection terminal is electrically connected by a wiring pattern. A positioning guide used for arranging the pressure control solenoid valve on the other surface of the terminal board, the positioning guide protruding from a central portion of the flat plate. Along with the positioning projection formed, the positioning projection is formed in a shape along the outer shape of the pressure control solenoid valve,
A mounting member for positioning the solenoid valve for pressure control at a fixed distance from the surface of the flat plate is formed in a part of the periphery of the through hole, and the mounting member is formed shorter than the positioning guide. It is a feature. The present invention
In particular, the effect is remarkable when applied to a terminal board to which the above-mentioned wire harness or a solenoid valve for controlling pressure of an automobile is connected.

According to a seventh aspect of the present invention, a terminal board according to any one of the first to sixth aspects is provided after a plurality of electric components are arranged in a plurality of columns and a plurality of rows on a jig. The positioning guide is inserted and mounted while being in contact with the outer surface of the electric component, and the terminal of the electric component is connected to the second connection terminal to fix the electric component to the terminal board. This is a method for fixing the components of the terminal board. According to the method of the present invention, when the electric component of the other electric circuit is mounted and arranged on the other surface of the terminal board, the electric component is guided by the positioning guide, so that it is easily positioned and fixed. can do.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 8 is an exploded perspective view showing the terminal board according to the present invention. In this figure, a terminal board according to the present invention is applied to a pressure control device used in, for example, an antilock brake system, a traction control system, or the like. First, the pressure control device will be briefly described. As shown in FIG. 8, the pressure control device generally includes a cover body 1, a terminal board 2, a solenoid valve 3, and other members. Here, solenoid valves 3, 3,... Are fixed on the back side of the terminal board 2 in the figure from the direction of arrow F1, and each terminal of the coils of the solenoid valves 3, 3,. Second connection terminals 4, 4,
... are electrically connected to each other. The terminal board 2 on which the solenoid valves 3, 3,.
As shown by an arrow F2 in FIG.

Further, first connection terminals 5, 5,... For a wire harness are protruded from the surface of the terminal board 2 shown in the drawing at a position deviated from the center and in a horizontal line in the drawing. The connection terminals 5, 5,...
Terminal 7 of a wire harness 6 extending from below
7,... Are electrically connected. Also,
The vicinity of the terminals 7, 7,... Of the wire harness 6 is tightly and airtightly held by a holding portion formed of a through hole provided at the lower end of the front surface of the cover body 1. Further, an opening 8 is provided on the front surface of the cover main body 1, and a cover 9 for holding the cover main body 1 airtight is attached to the opening 8.

FIG. 1 is a diagram showing an example of a terminal board according to the present invention. In this figure, the terminal board 2 is configured as follows. That is, most parts of the wiring pattern stamped out of a metal plate into a predetermined shape constitute a flat body (hereinafter referred to as “insulating board”) 10 integrally formed with an insulating material, and most parts of the wiring pattern are formed. The insulating board 10 has a structure buried inside an insulating material. The insulating board 10 has a substantially rectangular first through hole 1 at a predetermined interval.
, And second through-holes 12, 12, ... are provided. In the first through holes 11, 11, the second connection terminals 4, 4,... For the other electric circuit (coil of the solenoid valve) extended from the wiring pattern are aligned and exposed. I have. Also, the second through holes 12, 12,.
The second connection terminals 4, 4 for the other electric circuit are aligned and exposed. Further, on one surface of the terminal board 2, first connection terminals 5, 5,... For the other electric circuit (wire harness) are provided in a position deviated from the center and in a horizontal line in the drawing. , The first connection terminals 5, 5,... For the wire harness are also connected to predetermined circuit portions of the wiring pattern, respectively.

On the other surface 13 of the insulating board 10 of the terminal board 2, a positioning guide 14 used for disposing the solenoid valve 3 is formed. These positioning guides 14 are configured as positioning projections (four in this embodiment) protruding from the center of the insulating board 10. These positioning guides 14
The side surface of the positioning projection is formed in a shape having a curved surface of a cylinder so as to follow the outer shape of the solenoid valve 3.

Further, on the insulating board 10, mounting members 15, 15, ... for positioning the solenoid valves 3, 3, ... at a fixed distance h (see Fig. 7) from the surface of the insulating board 10 are provided. , 12, 12,... Are formed around the holes 11, 11,. The mounting members 15, 15,...
, 12, 12, ... are arranged. Further, the positioning guides 14, 14,... Are formed on the insulating board 10 longer than the placing members 15, 15,.

Next, the operation when the solenoid valve 3 is mounted on the terminal board 2 will be described with reference to FIGS. Here, FIG. 2 is a plan view showing the assembly jig. FIG. 3 is a diagram showing a state in which a solenoid valve is mounted on a jig. FIG. 4 is a diagram showing a positional relationship when a solenoid valve mounted on a jig is mounted on a terminal board. FIG. 5 is a sectional view taken along line AA of FIG. FIG. 6 is an enlarged view showing a state where the solenoid valve is mounted on the terminal board. FIG. 7 is BB of FIG.
It is sectional drawing expanded and shown along a line. The jig 20
As shown in FIG. 2, the protrusions 21, 21,... That can be inserted into the center hole of the solenoid valve 3 are arranged at regular intervals (in this example, equally spaced 3).
Twelve (in four rows and four columns) are formed. As shown in FIG. 3, the projections 21, 21,... Of the jig 20 are inserted into the center holes of the solenoid valves 3, 3,. Is set to

As shown in FIG. 4, the terminal board 2 is mounted on the jig 20 on which the solenoid valves 3, 3,.
Is attached. At this time, as shown in FIGS. 4 and 5,
The terminal board 2 is guided by the positioning guide 14, and the solenoid valves 3, 3,... Are accurately arranged and set on the terminal board 2. By connecting and fixing the terminals of the solenoid valves 3, 3, ... to the second connection terminals 4, 4, ..., the solenoid valves 3, 3 are placed on the terminal board 2 as shown in Figs. , ... are fixed. Positioning guide 1 for solenoid valves 3, 3, ...
When the terminal board 2 is set on the jig 20 in the state shown in FIG. 3, the positioning guides 14, 14,... Are located at the center of the jig as shown in FIGS. The six electromagnetic valves 3, 3,... Set are shaped and arranged along the cylindrical outer surface.

As described above, the positioning guides 14, 14,...
Are guided and fixed on the terminal board 2. At this time, as shown in FIG.
Are arranged, so that the solenoid valves 3, 3, ... are separated from the other surface 13 of the insulating board 10 by the height h. Therefore, a space is formed between the solenoid valves 3, 3,... And the surface 13 of the insulating board 10, and the influence of heat or the like generated when the coils of the solenoid valves 3, 3,. Can be reduced.

According to the present embodiment, when the solenoid valves 3, 3,... Are mounted on the other surface 13 of the terminal board 2, the positioning guides 14, 14,. Since 3 is guided, positioning can be easily performed with a simple structure. Further, according to the present embodiment, since the solenoid valves 3, 3,... Are guided and positioned by the positioning guides 14, 14,.

[0022]

As described above, according to the present invention, when the electromagnetic valve is mounted on the other surface of the terminal board, the electromagnetic valve is guided by the positioning guide projecting from the flat plate. Therefore, positioning can be easily performed.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example of a terminal board according to the present invention.

FIG. 2 is a plan view showing an assembly jig used in the embodiment of the present invention.

FIG. 3 is a view for explaining an embodiment of the present invention, and is a view showing a state in which a solenoid valve is mounted on a jig.

FIG. 4 is a view for explaining an embodiment of the present invention, and is a view showing a positional relationship when a solenoid valve mounted on a jig is mounted on a terminal board.

FIG. 5 is a sectional view taken along line AA of FIG. 4;

FIG. 6 is an enlarged view showing a state where an electromagnetic valve is mounted on a terminal board according to the embodiment of the present invention.

FIG. 7 is an enlarged cross-sectional view taken along the line BB of FIG. 6;

FIG. 8 is a diagram showing a use state of the terminal board according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cover main body 2 Terminal board 3 Solenoid valve 4 Second connection terminal 5 First connection terminal 6 Wire harness 8 Opening 9 Cover 10 Insulating board (flat body) 11 First through hole 12 Second through hole 13 The other Surface 14 Positioning guide 15 Mounting member

Claims (7)

[Claims] 1. A first connection terminal to which one electric circuit is connected is arranged on one surface of a flat plate having a predetermined shape, and the other is inserted into a through hole formed at a predetermined position of the flat plate. A second connection terminal to which the electric circuit is connected is exposed, and predetermined connection terminals of the first connection terminal and the second connection terminal are electrically connected by a wiring pattern. A terminal board, wherein a positioning guide used for arranging electric components of the other electric circuit is formed on the other surface of the terminal board. 2. The terminal board according to claim 1, wherein the positioning guide comprises a positioning projection protruding from a central portion of the flat body. 3. The terminal board according to claim 1, wherein the positioning guide has a side surface of the positioning protrusion formed in a shape along the outer shape of the component. 4. A mounting member according to claim 1, wherein a mounting member for positioning said electric component at a predetermined distance from a surface of a flat plate is provided on the other surface of said terminal board. A terminal board, which is formed partially. 5. The terminal board according to claim 1, wherein the positioning guide is formed longer than the placement member. 6. A first connection terminal to which a wire harness is connected is arranged on one surface of a flat plate having a predetermined shape,
A second connection terminal to which a pressure control solenoid valve of an automobile is connected is exposed to a through hole formed at a predetermined position of the flat body, and a predetermined one of the first connection terminal and the second connection terminal is exposed. A connection board electrically connected by a wiring pattern, wherein a positioning guide used for arranging the pressure control solenoid valve is formed on the other surface of the terminal board; Is composed of a positioning projection protruding from the center of the flat body, and the positioning projection is formed in a shape along the outer shape of the pressure control solenoid valve, and the pressure control solenoid valve is formed from the surface of the flat body. A mounting member positioned at a fixed distance is formed at a part around the through hole, and the mounting member is formed shorter than the positioning guide. Terminal board. 7. After arranging a plurality of electric components on a jig in a plurality of rows and a plurality of rows, a positioning guide of the terminal board according to claim 1 is brought into contact with an outer surface of the electric component. And fixing the electric component to the terminal board by connecting the terminal of the electric component to the second connection terminal and fixing the electric component to the terminal board.