JP6881839B2 - Circuit board connector and electronic components - Google Patents

Description

The present invention relates to a circuit board coupling device and electronic components.

When a plurality of circuit boards are arranged one above the other, for example, in order to fit a connector between one board and the other board, it is necessary to connect the circuit boards while positioning each other in the plane direction. .. In such a circuit board connection structure, connection auxiliary members such as guide pins and spacers are used on the circuit board.
Patent Document 1 discloses a structure in which a plurality of pins are provided between the upper and lower circuit boards, and the upper and lower circuit boards are connected to each other by inserting these pins into the circuit board. Further, the pin is inserted into a hole of a member called a mounting guide, and the distance between the upper and lower circuit boards is set to a distance corresponding to the height of the mounting guide by interposing the mounting guide. ..

Patent Document 2 discloses a structure for connecting upper and lower circuit boards provided with connectors.
In Patent Document 3, the extra length of the latch portion to be inserted into the through holes of the upper and lower circuit boards, the latch for preventing disconnection, and the extra length of the latch portion and the latch are integrally formed with the upper and lower circuit boards. A configuration is disclosed in which the mutual spacing between the upper and lower circuit boards is set to a predetermined height by using a columnar portion that sets the mutual spacing to a certain height by interposing between them.

Japanese Unexamined Patent Publication No. 10-308570 Japanese Unexamined Patent Publication No. 08-335780 Japanese Unexamined Patent Publication No. 02-076297

However, in Patent Document 1, since the space on the circuit board is occupied by the mounting guide through which a plurality of pins are inserted, the layout of the circuit pattern of the circuit board and the arrangement of the electronic components to be mounted are restricted. There is a problem of
Further, Patent Document 2 has a problem that the distance between the upper and lower circuit boards cannot be set appropriately.
Further, Patent Document 3 has a problem that different members must be used to connect the upper and lower circuit boards to each other.

The present invention has been made in view of the above background technology, and is a circuit board connector capable of arranging and connecting circuit boards in a predetermined positional relationship by utilizing as small an occupied space as possible on the circuit board, and an electron. The purpose is to provide parts.

In order to solve the above problem, the circuit board coupling device according to the first aspect of the present application is the first circuit board among the first circuit board and the second circuit board arranged so as to be overlapped with each other at intervals. A guide pin having one end connected to the circuit board and the other end extending toward the second circuit board is arranged so that the guide pin and the center line are aligned with each other, and one end is connected to the second circuit board and the other end is connected to the second circuit board. A guide pin receiving member extending toward the first circuit board, provided between the guide pin receiving member and the guide pin, and relative movement in the center line direction between the guide pin receiving member and the guide pin. A regulation unit that regulates the position of the guide pin at a predetermined position according to a distance to be interposed between the first circuit board and the second circuit board, and a first that connects one end of the guide pin to the first circuit board. It is characterized by having a connecting member of 1 and a second connecting member for connecting the other end of the guide pin to the second circuit board.

The electronic component according to the second aspect of the present application has a first circuit board and a second circuit board arranged so as to be overlapped with each other at intervals, and one end thereof is connected to the first circuit board. A guide pin whose end extends toward the second circuit board is arranged so that the guide pin and the center line are aligned with each other, one end is connected to the second circuit board, and the other end is toward the first circuit board. The extending guide pin receiving member is provided between the guide pin receiving member and the guide pin, and the relative movement of the guide pin receiving member and the guide pin in the direction of the center line is performed between the first circuit board and the first circuit board. A regulating unit that regulates a predetermined position corresponding to a mutual distance between the two circuit boards, a first connecting member that connects one end of the guide pin to the first circuit board, and the other end of the guide pin. It is characterized by having a second connecting member for connecting the second circuit board to the second circuit board.

According to the present invention, circuit boards can be connected at predetermined mutual intervals by utilizing as small an occupied space as possible on the circuit board.

It is a perspective view which shows the 1st Embodiment which concerns on the minimum structure of this invention. It is sectional drawing which is orthogonal to the circuit board of 2nd Embodiment of this invention. It is a perspective view which looked at the 1st circuit board which concerns on 2nd Embodiment of this invention from the bottom. It is a perspective view which looked at the 2nd circuit board which concerns on 2nd Embodiment of this invention from above.

A first embodiment according to the minimum configuration of the present invention will be described with reference to FIG.
Reference numeral 1 is a guide pin, and the guide pins 1 are a first circuit board (indicated by a chain double-dashed line in the figure) and a second circuit board arranged so as to be overlapped with each other (in the vertical direction in FIG. 1). One end (upper end of FIG. 1) is connected to the first circuit board, and the other end (lower end of FIG. 1) extends toward the second circuit board. It is arranged like this. Reference numeral 2 indicates a guide pin receiving member, and the guide pin receiving member 2 is arranged so that the center line coincides with the guide pin 1, one end is connected to the second circuit board, and the other end is the first. It is arranged so as to extend toward the circuit board of.

Between the guide pin receiving member 2 and the guide pin 1, the relative movement between the guide pin receiving member 2 and the guide pin 1 (movement in a direction parallel to the center line C) is the first. A regulation unit 3 that regulates a predetermined position according to a distance to be interposed between the circuit board and the second circuit board is provided. One end of the front guide pin 1 is connected to the first circuit board by the first connecting member 4, and the other end of the guide pin 1 is connected to the second circuit board by the second connecting member 5. ing.

The guide pin 1 is connected to the first circuit board by penetrating the first circuit board on the upper side of FIG. 1 and screwing a nut as a first connecting member 4 into, for example, a male screw formed on the upper portion of the guide pin 1. Has been done. Further, the guide pin receiving member 2 has a hollow hole at the center, and the guide pin 1 penetrates the through hole. The guide pin further penetrates the second circuit board on the lower side of FIG. 1 and is in a state of protruding from the lower surface thereof. For example, the female screw formed at the end thereof is used as the second connecting member 5. It is connected to the second circuit board by screwing in a bolt.

The guide pin 1 is provided with a restricting portion 3 having an annular shape having a diameter larger than that of the through hole of the guide pin receiving member 2. When the restricting portion 3 comes into contact with the guide pin receiving member 2, the first The distance between the first circuit board and the second circuit board is set to a predetermined distance.

Next, a second embodiment of the present invention will be described with reference to FIGS. 2 to 4. In FIGS. 2 to 4, the same components as those in FIG. 1 are designated by the same reference numerals to simplify the description.

The guide pin (first guide pin) 1 has a rod shape as a whole, and the upper portion thereof penetrates the first circuit board 6 and projects upward. The regulating portion 3 has a shape protruding radially outward from the outer circumference of the first guide pin 1 and is integrally connected to the guide pin 1. The upper end of the first guide pin 1 is fixed to the first circuit board 6 by the restricting portion 3 and the nut 4 as the first connecting member screwed into the male screw portion 12 through the washer 11. There is. If the male screw portion 12 is formed from the tip of the first guide pin 1 to the range where the regulation portion 3 exists, the male screw of the first guide pin 1 can be used by using the nut as the regulation portion 3. The first circuit board 6 can be sandwiched and fixed between the regulation portion 3 screwed into the portion 12 and the nut 4.

A tapered portion 13 is formed at the tip of the guide pin 1 (lower ends of FIGS. 2 and 3). Further, a female screw portion 14 is formed in a predetermined range from the tip end to the base end of the guide pin 1.

The guide pin receiving member 2 is formed with a through hole 21 penetrating along the axis C. The through hole 21 is formed to have a diameter smaller than the outer diameter of the regulating portion 3, and a tapered portion 22 whose inner diameter gradually decreases downward (base end) is formed at the tip end (upper end of FIGS. 2 and 4). Has been done. The relationship between the inner diameter of the through hole 21 and the outer diameter of the first guide pin 1 determines the positioning accuracy of the relative positions of the first circuit board 6 and the second circuit board 7 in the plane direction. In consideration, it is desirable to set the loose fitting with as high accuracy as possible.

The base end (lower end of FIGS. 2 and 4) of the guide pin receiving member 2 penetrates the second circuit board 7. Further, a bolt 5 as a second connecting member is screwed into the female screw portion 14 of the base end of the first guide pin 1 that penetrates the base end of the guide pin receiving member 2 and projects downward. The bolt 5 fixes the guide pin receiving member 2 to the second circuit board 7 by sandwiching the second circuit board 7 between the washer 51 and the base end portion of the guide pin receiving member 2. ing.

By using a spring washer or a washer on which elastically deformable rubber or the like is laminated as the washer 51, the guide pin 1, the guide pin receiving member 2 and the second circuit board 7 are securely fixed. Preferred above. Further, a male threaded portion may be formed on the outer periphery of the base end of the first guide pin 1 instead of the female threaded portion, and a nut may be used as the second connecting member 5 instead of the bolt shown in the figure.

A first stacking connector 8 is provided on the first circuit board 6, and a second stacking connector 9 is provided on the upper surface of the second circuit board 10. The first and second stacking connectors 8 and 9 are detachably connected, and the coupling thereof electrically connects the first circuit board 6 and the second circuit board 7. There is.

The operation of the second embodiment will be described together with the procedure for assembling the electronic component having the above configuration.
(1) As shown in FIG. 3, the first stacking connector 9 and the first guide pin 1 are attached to the lower surface of the first circuit board 6. After attaching the regulating portion 3 to the upper portion of the first guide pin 1, the upper end thereof penetrates the through hole formed in the first circuit board 6 and protrudes to the upper surface, and further tightens the nut 4. As a result, it is fixed to the first circuit board 6.
(2) As shown in FIG. 4, the guide pin receiving member 2 and the second stacking connector 9 are attached to the upper surface of the second circuit board 7. The guide pin receiving member 2 may be fixed by, for example, fitting into a through hole provided in the second circuit board 7.

(3) The first guide pin 1 is positioned and inserted into the guide pin receiving member 2. At this time, since the tapered portion 13 is provided at the tip of the first guide pin 1 and the tapered portion 22 is also formed at the inlet of the through hole 21 of the guide pin receiving member 2, the first guide pin 1 Is inserted while being guided by the guide pin receiving member 2. If at least one of the tapered portion 13 of the first guide pin 1 and the tapered portion 22 of the guide pin receiving member 2 is provided, the effect of guiding the first guide pin 1 to the through hole 21 can be obtained. Obtainable.
(4) As the first guide pin 1 is inserted, the first stacking connector 8 is also inserted into the second stacking connector 9. At this time, the first stacking connector 8 is inserted with respect to the second stacking connector 9 by inserting the first guide pin 1 and the guide pin receiving member 2 with the minimum dimensional tolerance. , Positioned in two orthogonal directions on the planes of the second circuit boards 6 and 7 and in the direction of rotation in this plane, and gradually inserted.

(5) When the first guide pin 1 is further inserted into the guide pin receiving member 2, the first stacking connector 8 and the second stacking connector 9 are further fitted, but the guide pin receiving member 2 When the tip of the guide pin hits the regulating portion 3, the first guide pin 1 stops at a position where it cannot be further inserted into the guide pin receiving member 2. Along with this, the fitting of the first stacking connector 8 and the second stacking connector 9 also stops without being fitted deeper than this. That is, the space between the first circuit board 6 and the second circuit board 7 finally corresponds to the sum of the length L1 of the regulating portion 3 and the length L2 of the guide pin receiving member 2. There is an interval. The lengths L1 and L2 of the regulating portion 3 and the guide pin receiving member 2 so that the first stacking connector 8 and the second stacking connector 9 are fitted to each other at an appropriate depth at intervals corresponding to L1 + L2. Is set.

(6) When the tip of the first guide pin 1 protruding from the lower end of the guide pin receiving member 2 is passed through the washer 51 and the bolt 5 is tightened, the first guide pin 1 causes the first circuit board 6 and the second. The circuit board 7 is integrally connected.

In the second embodiment configured in this way, the man-hours required for forming holes by machining in the vicinity of the first and second stacking connectors 8 and 9 can be reduced, and the substrate can be used. Since the number of mounting members is reduced in assembly, small assembly man-hours and quality can be stabilized.

The first guide pin 1 and the guide pin receiving member 2 are not limited to the arrangement of the second embodiment, and the first stacking connector 8 and the second stacking connector 9 are arranged in a plane direction and a mutual rotation direction. Although the required number is provided at the position required for positioning to, the workability of mounting on the first and second circuit boards 6 and 7, or the workability of mounting the first and second stacking connectors 8 and 9 or the first and second stacking connectors 8 and 9 are provided. In consideration of the workability of the attachment / detachment operation, it is desirable to select the optimum arrangement and the minimum number (for example, two in the second embodiment). For example, if the cross-sectional shape of the through hole 21 of the first guide pin 1 and the guide pin receiving member 2 is not a columnar shape (rotary body shape) but a non-rotating body shape such as a polygonal shape, one guide pin 1 Positioning in Cartesian coordinates on a plane and positioning of rotation within the coordinates necessary for fitting the first and second stacking connectors 8 and 9 are performed by using the guide pin receiving member 2 and the guide pin receiving member 2. Can be done.

The regulating unit 3 does not have to have a structure through which the first guide pin 1 is inserted, and comes into contact with some member integrated with the second circuit board 7, and the first and second circuit boards 6 and 7 come into contact with each other. Any structure may be used as long as the distance between them can be limited to a predetermined distance. For example, a structure in which a part of the first guide pin 1 has a large diameter may be used.

The male screw and female screw formed on the first guide pin 1 and the bolts and nuts screwed into them may be male or female as long as they are screws that can be attached to and detached from the first guide pin 1. Of course it is good.
Further, for mechanical coupling between the first guide pin 1 and the first circuit board 6, the second circuit board 7, and mechanical coupling between the guide pin receiving member 2 and the second circuit board 7, Of course, instead of the structure using screws as in the above embodiment, other structures such as fitting by press fitting, soldering, and adhesion may be adopted.
Further, the material constituting the first guide pin 1 may be any material as long as it is resistant to friction and can form a screw by machining. In the embodiment, a stainless steel material is used.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the invention described in the claims. Needless to say, they are also included in the scope of the present invention.

The present invention relates to a coupling device and an electronic component capable of positioning and connecting circuit boards arranged one above the other.

1 guide pin (first guide pin)
2 Guide pin receiving member 3 Regulator 4 First connecting member (nut)
5 Second connecting member (bolt)
6 First circuit board 7 Second circuit board 8 First stacking connector 9 Second stacking connector 11 Washer 12 Male thread 13 Tapered 14 Female thread 21 Through hole 22 Tapered 51 Washer

Claims (8)

Of the first circuit board and the second circuit board arranged so as to be overlapped with each other, one end is connected to the first circuit board provided with the first connector, and the other end is the said. A plurality of guide pins extending toward a second circuit board provided with a first connector and a detachable second connector, and provided at intervals in the plane direction of the circuit board.
A plurality of guide pin receiving members arranged so that their center lines coincide with each of the plurality of guide pins, one end of which is connected to the second circuit board, and the other end of which extends toward the first circuit board.
It is provided between the guide pin receiving member and the first circuit board, and the relative movement of the guide pin receiving member and the guide pin in the center line direction is performed between the first circuit board and the second circuit. A regulatory unit that regulates the position according to the distance to be interposed between the board and
A first connecting member that connects the one end of the guide pin to the first circuit board,
A second connecting member that connects the other end of the guide pin to the second circuit board,
Have,
The regulating portion is screwed into a male screw formed in a penetrating portion of the guide pin penetrating the first circuit board and a region above and below the guide pin, and together with the first connecting member, the first circuit board is formed. It has a female threaded portion that is sandwiched from one surface and from the other surface.
The first connector is arranged between the plurality of guide pins.
The second connector is arranged between the plurality of guide pin receiving members.
Circuit board coupling device. The guide pin receiving member has a through hole through which the guide pin is inserted.
The regulating portion is formed to have a diameter larger than that of the through hole.
The circuit board coupling device according to claim 1. The guide pin receiving member is formed in a tubular shape having the through hole.
The guide pin has a length that penetrates the guide pin receiving member through the through hole and further penetrates the second circuit board.
The circuit board coupling device according to claim 2. The regulating portion has an outer diameter larger than the inner diameter of the tubular guide pin receiving member.
The circuit board coupling device according to claim 3. The other end of the guide pin is provided with a tapered portion whose outer diameter gradually decreases toward the tip end.
The circuit board coupling device according to any one of claims 1 to 4. The through hole of the guide pin receiving member is provided with a tapered portion whose inner diameter gradually decreases from the tip end side of the guide pin receiving member to the proximal end side.
The circuit board coupling device according to any one of claims 1 to 5. The first circuit board and the second circuit board, which are arranged so as to be overlapped with each other at intervals,
One end is connected to the first circuit board provided with the first connector, and the other end extends toward the second circuit board provided with the second connector detachable from the first connector. , Multiple guide pins provided at intervals in the plane direction of the circuit board,
A plurality of guide pin receiving members arranged so that their center lines coincide with each of the plurality of guide pins, one end of which is connected to the second circuit board, and the other end of which extends toward the first circuit board.
It is provided between the guide pin receiving member and the first circuit board, and the relative movement of the guide pin receiving member and the guide pin in the center line direction is performed between the first circuit board and the second circuit. A regulatory unit that regulates the position corresponding to the mutual distance from the board,
A first connecting member that connects the one end of the guide pin to the first circuit board,
A second connecting member that connects the other end of the guide pin to the second circuit board,
Have,
The regulating portion is screwed into a male screw formed in a penetrating portion of the guide pin penetrating the first circuit board and a region above and below the guide pin, and together with the first connecting member, the first circuit board is formed. It has a female threaded portion that is sandwiched from one surface and from the other surface.
The first connector is arranged between the plurality of guide pins.
The second connector is arranged between the plurality of guide pin receiving members.
Electronic components. The guide pin is inserted into a through hole formed in the guide pin receiving member, and the guide pin and the guide pin receiving member cause the first connector and the second connector to form the first circuit board and the first circuit board. The electronic component according to claim 7, which is positioned with respect to each other in the plane direction of the circuit board of 2.

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