JP2781881B2 - Printed wiring board connection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device for connecting two printed wiring boards, and the two printed wiring boards are inserted only into through holes formed in each printed wiring board. The present invention relates to a printed wiring board connection device capable of electrically connecting patterns in a vertical direction or a vertical direction.

[0002]

2. Description of the Related Art In an electronic apparatus, if a circuit configuration is complicated, a circuit cannot be incorporated in one printed wiring board. Therefore, a circuit is incorporated in two main and sub printed wiring boards, and a circuit is mounted on the main printed wiring board. The secondary printed wiring boards were stacked. Then, a connecting device as shown in FIGS. 12 and 13 is used to connect the patterns of the main and sub printed wiring boards.

That is, in FIG. 12, A is a main printed wiring board, B is a sub printed wiring board, and through holes are formed in each of them to conduct the main printed wiring board A and the sub printed wiring board B. ing. C is in the connecting device, in which connection pin C ₂ through the spacer C ₁ made of resin is implanted.

In order to connect the pattern of the main printed wiring board A and the pattern of the sub printed wiring board B using the connecting device C,
The connection pin C ₂ protruding above the spacer C ₁ in the connecting device C soldering fixed and the upper surface of the pattern is inserted into the through holes of the main printed circuit board A, also connected protrudes lower pin C ₂ is inserted into the through hole of the sub-printed wiring board B and fixed by soldering to the pattern on the lower surface.

On the other hand, the connecting device D in FIG. 13, the upper connecting pins in the male pin D ₁ of the above-described connecting device C similar structure soldered and fixed on the upper surface of the main printed circuit board A, also the male pin lower connection pins D ₁ is one that was soldered to fix the connecting pin projecting from the lower side of the socket D ₂ fitted detachably in the lower surface of the auxiliary printed wiring board B.

In the conventional example of FIG. 12, although the structure is simple, two printed wiring boards A,
If B is connected, there is a problem that it is very difficult to separate the B by repair or the like. FIG.
Has the advantage that the work of separating the two printed wiring boards A and B is simple.

[0007]

However, the above-mentioned 2
The common point of the two conventional examples is that the main printed wiring board A
Is that is fixed by soldering the connection pins of the connecting pin and the socket D ₂ of the male pin D ₁ in the connection pin C ₂ or a connection device D of the connecting device C to the auxiliary printed wiring board B.

[0008] Therefore, in order to connect the two printed wiring boards A and B, a soldering operation is always required, which leads to an increase in the number of manufacturing steps, an increase in cost, and a connection device C, D.
There was a problem that it was very troublesome to remove.

Further, the printed wiring boards A and B to be connected using the connecting devices C and D can be connected in the vertical direction while having the above-mentioned problems, but the main printed wiring board A However, the sub-printed wiring board B could not be connected in an orthogonal state.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and an object of the present invention is to merely insert a connection pin into a through hole of a printed wiring board to elastically deform two printed wiring board patterns. There is no printed wiring board connection device that can be connected by force and can connect patterns without soldering another printed wiring board to one printed wiring board in an orthogonal state. And

[0011]

An object of the present invention is to provide a printed wiring board connecting apparatus which solves the above-mentioned problems. The means comprises an elongated vertical hole penetrating vertically.
A spacer made of an insulating material such as a synthetic resin having a locking hole communicating from one side surface with the vertical hole and a groove communicating from the other side surface on the lower surface of the vertical hole, is elastically folded back into a U-shape. Bent portion, one end of the bent portion is bent outward, a stopper portion inserted into a locking hole at both end portions of the spacer, and vertically from the other of the bent portion A first connecting pin made of an elastic metal wire that is extended and has a vertical portion penetrating through the inside of the vertical hole, a bent portion that is elastically folded in a U-shape, and the other end of the bent portion is A stopper portion bent outward and inserted into the locking hole of the spacer, and a horizontal portion having the other end portion of the bent portion bent rearward and inserted into the groove and projecting rearward And a second connection pin made of an elastic metal wire formed with That.

Also, an elongated lateral hole formed to penetrate in the front-rear direction, a locking hole communicating with the lateral hole from the upper surface, and a groove communicating with the lateral hole from the rear to the lower surface are formed. A spacer made of an insulating material such as a synthetic resin, a bent portion that is folded in a U-shape with elasticity, and one end of the bent portion is bent outward, and a spacer at both end portions of the spacer is formed. A first connection pin formed of an elastic metal wire having a stopper portion inserted into the stop hole, and a vertical portion into which the other end portion of the bent portion is bent downward and inserted into the groove; A bent portion which is folded back into a U-shape with elasticity, a stopper portion having one end of the bent portion bent outward and inserted into a locking hole of the spacer, The other end is bent downward and along the bottom of the spacer. It is bent towards said may be more structure to the second connection pin made of a resilient metal wire which has a horizontal portion which is formed to protrude rearward is inserted into the groove.

[0013] Further, an elongated lateral hole formed penetrating in the front-rear direction, a locking hole communicating with the lateral hole from the upper surface,
A spacer made of an insulating material such as synthetic resin in which a groove communicating with the lateral hole from the back to the lower surface is formed, a bent portion elastically folded in a U-shape, and one end of the bent portion is formed. A stopper portion bent outward and inserted into the locking hole of the spacer, and a vertical portion whose other end portion of the bent portion is bent downward and inserted into the groove are formed. And a connection pin made of an elastic metal wire.

[0014]

Since the printed wiring board connection device of the present invention is constructed as described above, the vertical portions of the first connection pins projecting downward from the lower end surfaces of both side ends of the spacer are inserted into the through holes of the printed wiring board. Insert and solder and fix,
The horizontal portion of the second connection pin projecting rearward from the lower end surface excluding both side end portions of the spacer is soldered and fixed to the pattern of the printed wiring board, and the first and second connections projecting from above the spacer. By inserting through holes of another printed wiring board into the bent portions of the pins, the patterns of the upper and lower two printed wiring boards can be electrically connected.

Further, the vertical portions of the first connection pins projecting downward from the lower end surfaces of both end portions of the spacer are inserted into through holes of the printed wiring board and fixed by soldering.
The horizontal portion of the second connection pin projecting rearward from the lower end surface excluding both end portions of the spacer is fixed to the pattern of the printed wiring board by soldering, and the first and second connection pins projecting from the front of the spacer are fixed. By inserting through holes of another printed wiring board into the bent portions of the pins, it is possible to electrically conduct the patterns of two printed wiring boards arranged in the orthogonal direction.

Further, the vertical portions of the connection pins projecting downward from the lower end surfaces of both side ends of the spacer are inserted into through holes of the printed wiring board and fixed by soldering, and the connection projecting from the front of the spacer. By inserting through holes of another printed wiring board into the bent portions of the pins, it is possible to electrically conduct the patterns of two printed wiring boards arranged in the orthogonal direction.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the printed wiring board connecting apparatus according to the present invention will be described below with reference to FIGS. Numeral 1 denotes an elongated spacer made of an insulating material such as a synthetic resin, which has an elongated vertical hole 1a formed at regular intervals and penetrates in a vertical direction. A locking hole 1b that opens is formed, and a groove 1c that communicates with the vertical hole 1a is formed from the rear to the lower surface.

Reference numeral 2 denotes a first connection pin formed of an elastic metal wire such as a copper wire. The first connection pin 2a is a U-shaped bent portion 2a which is elastically bent, and the bending portion 2a is bent from the bent portion 2a and its tip is directed outward. The bent stopper portion 2b and the bent portion 2
and a vertical portion 2c extending from FIG.

Reference numeral 3 designates a second connection pin made of the same material as the first connection pin 5, and includes a bent portion 3a which is folded in a U-shape with elasticity, and a front end bent from the bent portion 3a. And a horizontal portion 2c formed by bending a tip extending from the bent portion 3a backward.

Then, with the bent portion 2a of the first connection pin 2 contracted against the elastic force, the bent portion 2a is inserted into the vertical holes 1a at both end portions of the spacer 1, and the stopper portion 2b
Release the contraction force in a state where is positioned in the locking hole 1b. Then, the stopper portion 2 is formed by the elastic force of the bent portion 2a.
b is inserted into the locking hole 1b, and the first connection pin 2 is fixed in the spacer 1. In this state, the vertical portion 2c projects below the vertical hole 1a.

Next, the bent portion 3a of the second connection pin 3 is contracted in the same manner as described above, and inserted into the other vertical holes 1a except for the vertical holes 1a at both side ends of the spacer 1.
The stopper 3b is inserted into the locking hole 1b. In this state, the horizontal portion 3c is fitted into the groove 1c formed on the lower surface of the spacer 1.

In order to connect the two printed wiring boards A and B shown in FIGS. 1 and 4 using the printed wiring board connecting apparatus according to the present invention, first, the printed wiring board A is connected. soldering fixed at the rear surface is inserted a first vertical portion 2c of the connecting pin 2 to the through hole formed in, and the horizontal portion of the second connecting pin 3 to the pattern a ₁ formed on the printed circuit board a 3c is fixed by soldering.

The first and second connection pins 2, 3 fixed to the printed wiring board A in this manner are bent through the through holes B of the printed wiring board B with respect to the bent portions 2a, 3a projecting from above the spacer 1. ₁ is approached from above, and inserted until the back surface of the printed wiring board B contacts the upper surface of the spacer 1. In this state, the bent portion 2a, since attempts to spread by the elastic force of 3a, the bent portion 2a, 3a is pressed against the through hole B ₁ of the printed circuit board B. Therefore, the patterns A ₁ and B ₂ of the _two printed wiring boards A and B are electrically connected by the first and second connection pins 2 and 3.

Next, a second embodiment will be described with reference to FIGS. Numeral 4 is an elongated spacer made of an insulating material such as a synthetic resin.
Are formed in the vertical direction, a locking hole 4b opening upward from substantially the center of the vertical hole 4a, and a groove 4c communicating with the horizontal hole 4a from the rear to the lower surface. ing.

Reference numeral 5 denotes a first connection pin formed of an elastic metal wire such as a copper wire. The bent portion 4a is elastically folded in a U-shape. The bent stopper portion 4b and the bent portion 4
and a vertical portion 4c extending downward from FIG.

Reference numeral 6 denotes a second connection pin made of the same material as that of the first connection pin 5, and includes a bent portion 6a which is folded in a U-shape with elasticity, and a front end which is bent from the bent portion 6a. And a horizontal portion 6c formed by bending a portion extending from the bent portion 6a into a Z-shape and bending the tip toward the rear.

Then, the bent portion 5a of the first connection pin 5 is inserted into the lateral holes 4a at both end portions of the spacer 4 in a state where the bent portion 5a is contracted against the elastic force, and the stopper portion 5b
Releases the contraction force in a state where is positioned in the locking hole 4b. Then, the stopper portion 5 is formed by the elastic force of the bent portion 5a.
b is inserted into the locking hole 4b, and the first connection pin 5 is fixed in the spacer 4. In this state, the vertical portion 5c projects below the groove 4c.

Next, the bent portion 6a of the second connection pin 6 is contracted in the same manner as described above, and inserted into the other lateral holes 4a except for the lateral holes 4a at both side ends of the spacer 4,
The stopper 6b is inserted into the locking hole 4b. In this state, the horizontal portion 6c is fitted along the groove 4c formed on the lower surface of the spacer 4.

In order to connect the two printed wiring boards A and B shown in FIGS. 5 and 8 using the printed wiring board connecting apparatus according to the present invention thus configured, first, the printed wiring board A is connected. soldering fixed at the back side with a vertical portion 5c of the first connecting pin 5 is inserted into the formed through-holes, and said the printed circuit board pattern a ₁ formed a horizontal portion of the second connecting pin 6 6c is fixed by soldering.

The first and second connection pins 5 and 6 fixed to the printed wiring board A in this manner are provided with the bent portions 5a and 6a projecting from the front of the spacer 4 through the through holes B of the printed wiring board B. ₁ is approached from the front, and inserted until the back surface of the printed wiring board B contacts the front surface of the spacer 4. In this state, the bent portions 5a, since when you to spread by the elastic force of the 6a, the bent portions 5a, 6a is pressed against the through hole B ₁ of the printed circuit board B. Therefore, the patterns A ₁ and B ₂ of the _two printed wiring boards A and B are electrically connected by the first and second connection pins 5 and 6.

Next, a third embodiment will be described with reference to FIGS. The connection pins in this embodiment are the same as the first connection pins 5 in the second embodiment, and the spacer 4 is formed such that the depth of the groove 4c is small. The vertical portion 5c of the connection pin 5 is inserted into a through hole formed in the printed wiring board A, and is fixed by soldering on the lower surface.

Accordingly, when the printed wiring board B is connected to the printed wiring board A, the printed wiring board B is brought closer to the printed wiring board A from the vertical direction as in the second embodiment, and 5 of the bent portion 5b of the printed wiring board B through hole B ₁
Insert Thus, the patterns A ₁ and B ₂ of the _two printed wiring boards A and B are electrically connected by the connection pins 5.

In each of the above-described embodiments, when the printed wiring board B is inserted into the through hole B ₁ ,
Stopper portions 2b, 3b, 5b, 6b are locked holes 1b, 4b
The stoppers 2b, 3b, 5
It is necessary to sufficiently consider the lengths of b and 6b. Further, in the above-described embodiment, long spacers 1 and 4 are shown. However, an independent spacer may be used, or the spacer may be cut into an appropriate number of poles.

[0034]

As described above, according to the present invention, the vertical or horizontal portion of the connection pin protruding from the spacer is fixed to the printed wiring board by soldering, and the connection pin protruding from the upper surface or side surface of the spacer. By connecting the through hole of another printed wiring board to the bent portion from the top or side direction of the printed wiring board and inserting the bent portion into the through hole, connection is made by the elastic force of the bent portion. Since the pins are in good contact with the through holes and the patterns of the two printed wiring boards can be electrically conducted, the two printed wiring boards can be easily separated in the case of repair of the printed wiring board or the like. And two printed wiring boards can be arranged and connected vertically or vertically.

Further, the spacers are formed continuously and integrally, and the desired patterns of the two printed wiring boards are simultaneously connected by inserting all or a desired number of connection pins in each spacer. Therefore, there is an effect that the degree of freedom in pattern design of the printed wiring board is increased and the printed wiring board is easy to handle.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state of connecting printed wiring boards of a first embodiment.

FIG. 2 is a vertical cross-sectional view of an end of the same.

FIG. 3 is a longitudinal sectional view of a central portion of FIG.

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a perspective view showing a state in which printed wiring boards of a second embodiment are connected to each other.

FIG. 6 is a longitudinal sectional view of an end portion of the above.

FIG. 7 is a longitudinal sectional view of a central portion of FIG.

FIG. 8 is a side view of FIG. 5;

FIG. 9 is a perspective view showing a state in which printed wiring boards of the third embodiment are connected to each other.

FIG. 10 is a longitudinal sectional view of the above.

FIG. 11 is a side view of FIG. 9;

FIG. 12 is a side view showing a connection state of a conventional printed wiring board connection device.

FIG. 13 is a side view showing a connection state of another conventional example.

[Explanation of symbols]

 1,4 Spacer 1a Vertical hole 1b, 4b Locking hole 2,5 First connection pin 2a, 5a Bend 2b, 5b Stopper 2c, 5c Vertical part 3,6 Second connection pin 3a, 6a Bend 3b , 6b Stopper part 3c, 6c Horizontal part 4a Side hole 4c Groove

Claims (3)

(57) [Claims] 1. An elongated vertical hole penetrating in a vertical direction, a locking hole communicating from one side to the vertical hole, and a groove communicating from the other side on a lower surface of the vertical hole. A spacer made of an insulating material such as a synthetic resin, a bent portion that is elastically folded in a U-shape, and one end of the bent portion is bent outward, and both end portions of the spacer A stopper portion inserted into the locking hole of
A first connection pin formed of an elastic metal wire and having a vertical portion extending vertically from the other of the bent portions and penetrating through the inside of the vertical hole; a bent portion elastically folded in a U-shape; The other end of the bent portion is bent outward and a stopper inserted into the locking hole of the spacer, and the other end of the bent portion is bent rearward, and And a horizontal portion protruding rearward and formed of an elastic metal wire.
A printed wiring board connection device, comprising: a connection pin; 2. An elongated lateral hole penetrating in the front-rear direction, an engaging hole communicating with the lateral hole from the upper surface, and a groove communicating with the lateral hole from the rear to the lower surface. A spacer made of an insulating material such as a synthetic resin; a bent portion that is folded back into a U-shape with elasticity; and one end of the bent portion is bent outward to form a spacer at both end portions of the spacer. A stopper portion inserted into the stop hole,
A first connection pin formed of an elastic metal wire having the other end portion of the bent portion bent downward and a vertical portion inserted into the groove; and a fold that is folded back into a U-shape with elasticity. A bent portion, one end of the bent portion is bent outward, a stopper portion inserted into a locking hole of the spacer, and the other end portion of the bent portion is bent downward. And a second connecting pin made of an elastic metal wire and bent rearward along the bottom surface of the spacer, and formed with a horizontal portion that is inserted into the groove and protrudes rearward. Printed wiring board connection device. 3. An elongated lateral hole penetrating in the front-rear direction, an engaging hole communicating with the lateral hole from the upper surface, and a groove communicating with the lateral hole from the rear to the lower surface. A spacer made of an insulating material such as a synthetic resin; a bent portion bent in a U-shape with elasticity; and one end of the bent portion is bent outward and inserted into a locking hole of the spacer. And a connecting pin made of an elastic metal wire having a bent portion at the other end of the bent portion bent downward and a vertical portion inserted into the groove. Printed wiring board connection device.