JP2012014899A - Surface mounted connection terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that means such as means to directly process printed boards and means to use a flat cable are costly and troublesome in manufacturing and generate gaps between the printed boards, when wiring patterns of two printed boards are to be connected.SOLUTION: In the surface mounted connection terminal, the two wiring patterns of the two printed boards are connected to each other by having a female connection terminal and a male connection terminal face each other and inserting a male terminal part into a female clamp part. At the same time, an elastic engagement piece 42 is engaged with a recess formed at the female connection terminal to be fixed.

Description

  In the present invention, a printed circuit board in which one female terminal is soldered and a printed circuit board in which a male terminal is soldered to the other one are connected, or a lead wire is connected to the printed circuit board in which the female terminal is soldered. The present invention relates to a connection terminal for surface mounting that can connect a male terminal.

  As a conventional connection means for connecting printed circuit boards, there is an invention disclosed in, for example, Japanese Patent Application Laid-Open No. 2003-317830 (hereinafter referred to as Prior Document 1). The present invention provides a printed board in which a concave board insertion port is provided on the side surface of the female printed board, a protruding board insertion section is provided on the male printed board, and the board insertion section of the male printed board is connected to the female board. The wiring pattern of the female printed circuit board and the wiring pattern of the male printed circuit board are connected by being fitted into the board insertion port of the side printed circuit board.

  As connection means for connecting printed circuit boards using cables, there is an invention disclosed in Japanese Patent Laid-Open No. 7-45342 (hereinafter referred to as Prior Document 2). The present invention connects a connector connecting portion formed at one end of a flat cable to a flat cable connector in which a large number of contact terminals are partitioned by a partition wall on one printed circuit board, and is formed at the other end of the flat cable. The terminal portion having a circular cross section was connected to a through hole formed in the other printed board by soldering.

JP 2003-317830 A JP 7-45342 A

  By the way, in the above-mentioned prior art document 1, since it is necessary to process the printed circuit boards, the manufacture of the printed circuit boards is cumbersome and costly, and it is not possible to connect general flat printed circuit boards to each other. It was possible.

  Further, in the above-mentioned prior art document 2, the connection between two printed circuit boards using a flat cable is performed by soldering a flat cable connector to one of the printed circuit boards, and connecting the flat cable connector to this connector. Since the wiring patterns of the two printed circuit boards can be connected by soldering the other end of the flat cable to the other through-hole, it is not necessary to process the printed circuit board in advance of the prior art document 1. Although there is an advantage that reduction can be achieved, there is a problem that a gap is generated between two printed circuit boards, which is not suitable for a small product.

  Further, in the inventions of the prior art documents 1 and 2, the means for connecting the wiring patterns of the two printed circuit boards are completely different, that is, the two printed circuit boards are connected without using a cable, or the cables are connected. There was a problem that it was not possible to cope with cases where it was desired to use and connect.

  The present invention is intended to solve the above-mentioned problems, and the object of the present invention is to share at least a female connection terminal that is soldered and fixed to a printed board, and a male connection terminal that is soldered to the printed board. By connecting, it is possible to connect the boards, and by connecting a male connection terminal in which a cable is connected to the female connection terminal, it is possible to connect to a desired wiring pattern on the board using the cable. There is a connection terminal for surface mounting.

  The surface-mounting connection terminal of the present invention is intended to achieve the above-described object, and the means of claim 1 folds the upper surface side and the lower surface side into a U shape and folds a part of the upper surface side. A male terminal board which is a bent portion and is bent from the upper surface side to form an auxiliary side substantially parallel to the upper surface side through an extended side and bend toward the bent portion side of the auxiliary side. A female terminal plate serving as a female clamping part, a slot into which the upper surface side and the auxiliary side can be inserted, and a groove in which the lower surface side is engaged in a flush state are formed, and A female connection terminal formed with an insulator formed of an insulating member such as a synthetic resin having recesses formed on both sides of the side surface, and a male terminal portion that is connected to the female terminal portion and is connected to the male terminal portion. A male terminal board comprising a base formed in a wide width and a bottom surface bent in a U shape in parallel with the male terminal. A housing portion in which a slot is formed in which the base portion of the male terminal plate is inserted and fixed, and a groove in which the lower surface portion is engaged in a flush state is formed, and both side surfaces of the housing portion And a male connection terminal formed with an elastic engagement piece which is formed integrally with the recess and is engaged with the recess.

  According to a second aspect of the present invention, the upper surface side and the lower surface side are bent into a U-shape, and a part of the upper surface side is used as a bent portion, and the upper surface side is bent from the upper surface side to assist through an extended side. A female terminal plate having a female pinching portion which is formed in a side substantially parallel to the upper surface side and is bent toward the bent portion side of the auxiliary side to sandwich the male terminal plate; and the upper surface side and the auxiliary side Are formed with an insulating member such as a synthetic resin in which a slot is formed so that the bottom surface can be engaged in a flush state, and recesses are formed on both sides of the side surface. A female connection terminal composed of an insulator and a hole for soldering the cable are formed by extending further from a base part that is extended from the male terminal part sandwiched by the female sandwiching part and wider than the male terminal part. The male terminal plate formed by the cable attaching portion and the base portion of the male terminal plate are inserted and fixed. A housing part in which a long hole is formed and a groove is formed, and a male connection terminal in which an elastic engagement piece is formed integrally on both side surfaces of the housing part and engaged with the recess. It is characterized by comprising.

  According to a third aspect of the present invention, in the second aspect, the male terminal plate has a flat shape in which a hole for soldering a cable is not formed.

  As described above, the female terminal board is fixed in the insulator by fitting the male terminal board into the long hole and groove of the insulator as described above, and the lower surface side is fixed by soldering to the wiring pattern of the printed circuit board. The male connection terminal is fixed to the casing by fitting the male connection terminal into the elongated hole and groove of the casing in the insulator, and the female connection terminal is soldered and fixed to the wiring pattern of another printed circuit board. The wiring patterns of the two printed circuit boards are connected to each other by inserting the male terminal portion into the female clamping portion so that the connection terminal and the male connection terminal face each other, and the elastic engagement piece is formed in the recess formed in the female connection terminal. Engage and become fixed.

  In addition, the male terminal plate is fixed in the insulator by inserting a flat male terminal plate into the long hole of the insulator housing, and the cable connecting portion of the male terminal plate is tangled and soldered. By connecting the male connection terminal to the female connection terminal soldered to the wiring pattern of the printed circuit board, the cable is electrically connected to the solder pattern, and thus the cable is connected to the wiring pattern of the other printed circuit board. When connected to, the wiring patterns of the two printed circuit boards can be electrically connected, and the elastic engagement pieces are engaged with the recesses formed in the female connection terminals to be in a fixed state.

  Further, when it is not necessary to tie the cable connection to the hole of the male terminal plate and solder it, a flat object before bending the male terminal plate of claim 1 can be used, so the number of parts is reduced, That is, since the male connection terminal other than the female connection terminal can be shared, the cost of the product can be greatly reduced.

It is a front view of the female connection terminal of the connection terminal for surface mounting of this invention. It is a bottom view of FIG. It is a rear view of FIG. It is a perspective view of a female terminal board. It is the sectional view on the AA line of FIG. It is a perspective view of the state which soldered the female connection terminal to the printed circuit board. It is a top view of the 1st male connection terminal. It is a front view of FIG. It is a bottom view of FIG. It is a perspective view of a male terminal board. FIG. 10 is a sectional view taken along line B-B in FIG. 9. It is a perspective view in the state where the male connection terminal was soldered to the printed circuit board. It is a perspective view which shows the state which connects the 1st male connection terminal and the female connection terminal which were soldered and fixed to the printed circuit board. It is a top view of the 2nd male connection terminal. FIG. 14 is a front view of FIG. 13. It is a perspective view of the male terminal board of the 2nd male connection terminal. It is CC sectional view taken on the line of FIG. It is a perspective view which shows the state which connects a cable to the 2nd male connection terminal, and connects to a female connection terminal.

Hereinafter, an embodiment of the connection terminal for surface mounting according to the present invention will be described with reference to the drawings.
1 to 6 show female connection terminals, and FIGS. 7 to 20 show male connection terminals, which are two female terminal plates 1 and synthetic resin insulation into which the female terminal plates are inserted and fixed. It is composed of a body 2.

  As shown in FIG. 5, the female terminal board 1 includes a base portion 11 composed of an upper surface side 11 a and a lower surface side 11 b bent in a U shape, and an extended side from a side surface on the opening end side of the upper surface side 11 a of the base portion 11. The auxiliary side 13 is bent in a U shape via 12 and formed in parallel with the upper side 11a.

  A bent portion 11c bent toward the auxiliary side 13 is formed in the vicinity of the U-shape of the upper surface side 11a, and a protrusion is formed on the side surface bent in the U-shape. 11d is formed. A standing side 13a is formed on the horizontal portion of the auxiliary side 13, and a bent portion 13b is formed on the portion facing the bent portion 11c toward the bent portion 11c. And the opposing part of the bending part 11c and the bending part 13b is a female clamping part which clamps the male terminal mentioned later.

  On the other hand, the insulator 2 has a long hole 21 into which the auxiliary side 13 including the upper surface side 11a and the extended side 12 of the base 11 can be inserted, and the long hole into which the upright side 13a enters and prevents the left side from coming off. A locking hole 22 communicating with 21 is formed. Further, a groove 23 is formed on the lower surface of the insulator 11 so that the lower surface side 11b bent in a U-shape is engaged in a flush state.

  The insulator 2 has a structure in which a pair of the long hole 21, the groove 23, and the locking hole 22 are formed to fix the two female terminal plates 1. Moreover, the both sides | surfaces of the insulator 2 are formed with the recessed part 24 in which the elastic engagement piece of the male connection terminal mentioned later is fitted. As shown in FIG. 6, the lower surface side 11b is soldered and fixed to the wiring pattern formed on the printed board P1, as shown in FIG. FIG. 6 shows a state before the female connection terminals are connected to the wiring pattern.

  The protrusion 11d on the side surface bent in the U-shape is pressed into the side wall surface of the long hole 21 when the female terminal plate 1 is inserted into the long hole 21. Along with the engagement between the side 13 a and the locking hole 22, the retaining action of the female terminal plate 2 from the insulator 1 is performed.

  Next, a male connection terminal (hereinafter referred to as a first male connection terminal) for connecting the wiring patterns by soldering and fixing the printed circuit board P2 to the female connection terminal soldered and fixed to the printed circuit board P1. The structure will be described.

The first male connection terminal includes two male terminal plates 3 shown in FIG. 10 and a synthetic resin insulator 4 into which the male terminal plates 3 are inserted and fixed.
The male terminal plate 3 is narrower than the other parts, and extends from the male terminal part 31, a male terminal part 31 that is contacted and held by a female holding part that is an opposing part of the bent part 11 c and the bent part 13 b. The base 32 is formed with a wide width. The base portion 32 is composed of an upper surface portion 32a and a lower surface portion 32b bent in a U-shape at the intermediate portion, and friction resistance when inserted into a long hole 41a of the housing portion 41 described later on both side surfaces of the upper surface portion 32a. A fixing portion 32c is formed that is fitted and fixed at the side, and a protrusion 32d that is fitted and fixed by frictional resistance is formed on both side surfaces bent in a U shape.

  On the other hand, the insulator 4 includes a housing part 41 that houses and fixes the male terminal plate 3 and an elastic engagement piece 42 that will be described in detail later. The housing part 41 includes the base 32 of the male terminal plate 3 described above. A slot 41a into which the upper surface side 32a can be inserted and a groove 41b in which the lower surface side 32b is engaged in a flush state are formed.

  When the long hole 41a is inserted into the upper surface side 32a, the lower surface side 32b is inevitably inserted into the groove 41b. In this insertion, the fixing portion 32c and the protrusion 32d bite into the inner wall surface of the long hole 41a to cause friction. The resistance increases and becomes fixed. The casing 41 has a structure in which a pair of the long holes 41a and the grooves 41b are formed so that the two male terminal plates 3 can be fixed.

  In addition, extension pieces 42 a are integrally formed on both side surfaces of the casing portion 41 in the insulator 4 in the left-right direction, and a “<” shape is formed from the extension piece 42 a toward the male terminal portion 31. The elastic part 42b is extended, and an elastic engagement piece 42 formed by an engagement part 42c located near the male terminal part 31 side from the side surface of the housing part 41 is formed. Then, as shown in FIG. 12, the lower surface side 32b of the first male connection terminal is soldered and fixed to the wiring pattern formed on the printed circuit board P2.

  Next, an operation method for connecting the female connection member soldered and fixed to the printed board P1 and the male connection terminal soldered and fixed to the printed board P2 will be described with reference to FIG. The male terminal portion of the male connection terminal is opposed to the female holding portion which is the opposed portion of the bent portion 11c and the bent portion 13b of the female connection terminal with the female connection terminal and the male connection terminal facing each other. 31 is inserted to establish an electrically connected state.

  Furthermore, when the male connection terminal is pushed toward the female connection terminal, the engagement portion 42c at the tip of the elastic engagement piece 42 is elastically fitted to the recess 24 formed in the female connection terminal. Since the female connection terminal and the male connection terminal are in a fixed state and can be prevented from coming off unnecessarily, the wiring patterns formed on the printed circuit boards P1 and P2 are surely secured by fixing the printed circuit boards P1 and P2 to the chassis or the like. The connection state will be maintained.

  In the above-described embodiment, the female connection terminal and the male connection terminal are connected to connect the wiring patterns of the printed circuit boards P1 and P2. The desired connection of the printed circuit board P2 using the female connection terminal of the printed circuit board P1. The second male connection terminal to be connected using the position wiring pattern and the cable will be described.

Since the same component as the insulator 4 in the first male connection terminal described above is adopted as the insulator in this embodiment, description of the insulator is omitted.
The male connection plate 5 in this embodiment is entirely formed flat, and has a narrow male terminal portion 51 and is extended from the male terminal portion 51 to have a wide width and is fixed in the casing 41 of the insulator 4. A base portion 52 and a cable attachment portion 53 extending from the base portion 52 and having a hole 53a for winding and soldering the cable C are formed. In addition, on both side surfaces of the base portion 52, there are formed protrusions 52a that are fitted and fixed by frictional resistance when inserted into the long hole 41a of the housing portion 41.

  When the male connecting plate 5 is inserted into the long hole 41a of the casing 41 of the insulator 4 as shown in FIG. 16, it is fixed in the long hole 41a by frictional resistance by the protrusion 52a. The connection plate 5 is attached to the insulator 4 in a fixed state. In this state, after the copper wire portion of the cable C is entangled in the hole 53a of the male connection plate 5 and soldered, it is covered with an insulating covering 54 such as a tube in order to maintain insulation.

  Next, an operation method for connecting the female connection terminal soldered and fixed to the printed circuit board P1 and the second male connection terminal to which the cable C is connected will be described with reference to FIG. The male terminal portion 51 of the male terminal plate 5 is inserted into the female holding portion which is the facing portion between the bent portion 11c and the bent portion 13b of the female connecting terminal with the second male connecting terminal facing each other, and is electrically connected. And

  Further, when the second male connection terminal is pushed toward the female connection terminal, the engagement portion 42c at the tip of the elastic engagement piece 42 is elastically fitted to the recess 24 formed in the female connection terminal. Therefore, the female connection terminal and the male connection terminal are in a fixed state and can be prevented from coming off unnecessarily. Accordingly, since the wiring pattern of the printed circuit board P1 to which the female connection terminal is soldered and the cable C connected to the second male connection terminal are electrically connected, the cable C is wired to another printed circuit board. By connecting to the pattern, the wiring patterns are connected to each other.

  In this embodiment, the male terminal plate 5 in which the hole 53a for wrapping the cable C is formed is used. As this male terminal plate, the male terminal used for the first male connection terminal shown in FIG. Since it is possible to solder the cable C to the portion of the lower surface side 32b of the male terminal plate 3 in a flat state before the terminal plate 3 is bent into a single character, the second male connection terminal is It is not limited to the male connection terminal 5 of an Example. And it becomes possible to aim at reduction of a number of parts by using the male connection board 3 before bending in U shape.

DESCRIPTION OF SYMBOLS 1 Female terminal board 11a Upper surface side 11b Lower surface side 12 Extension side 13 Auxiliary side 11c, 13b Bending part 2 Insulator 21 Long hole 22 Locking hole 23 Groove 24 Recessed part 3 Male terminal board 31 Male terminal part 32 Base part 32a Upper side 32b Lower surface side 4 Insulator 41 Housing part 41a Long hole 41b Groove 42 Elastic engagement piece

Claims (3)

The upper surface side and the lower surface side are bent into a U-shape, and a part of the upper surface side is used as a bent portion, and the auxiliary side is bent from the upper surface side through an extended side and substantially the same as the upper surface side. A female terminal plate that is formed in parallel and is bent toward the bent side of the auxiliary side to hold the male terminal plate, and a long hole into which the upper surface side and the auxiliary side can be inserted And a female formed with an insulating member formed of an insulating member such as a synthetic resin in which a groove is formed to engage with the lower surface side being flush with each other, and concave portions are formed on both sides of the side surface. A connection terminal;
A male terminal plate comprising a base part connected to a male terminal part sandwiched by the female clamping part and formed in a U-shape in parallel with the male terminal part from a base part formed wider than the male terminal part. And a housing part in which a slot is formed in which the base part of the male terminal plate is inserted and fixed, and a groove in which the lower surface part is engaged in a flush state is formed, and both sides of the housing part A surface mounting connection terminal comprising: a male connection terminal formed with an elastic engagement piece integrally formed on a surface and engaged with the recess. The upper surface side and the lower surface side are bent into a U-shape, and a part of the upper surface side is used as a bent portion, and the auxiliary side is bent from the upper surface side through an extended side and substantially the same as the upper surface side. A female terminal plate that is formed in parallel and is bent toward the bent side of the auxiliary side to hold the male terminal plate, and a long hole into which the upper surface side and the auxiliary side can be inserted And an insulating body formed of an insulating member such as a synthetic resin in which a groove is formed to engage with the lower surface side being flush with each other, and recesses are formed on both sides of the side surface. A connection terminal;
A male terminal plate formed by a cable attachment portion that is extended from a male terminal portion that is sandwiched by the female clamping portion and that is further extended from a base portion that is formed wider than the male terminal portion and in which a hole for soldering a cable is formed. And a housing portion in which a slot is formed and a groove is formed and the base portion of the male terminal plate is inserted and fixed, and is integrally formed on both side surfaces of the housing portion and engages with the recess. A surface-mounting connection terminal comprising a male connection terminal on which an elastic engagement piece is formed.   3. The surface mounting connection terminal according to claim 2, wherein the male terminal plate has a flat shape in which a hole for soldering a cable is not formed.

Images