JP2010282751A - Electronic component structure and connector with electronic component structure incorporated - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic component structure, realizing soldering free. <P>SOLUTION: The electronic component structure is provided with an electronic component with an electrode fitted to either side in a width direction; a housing with one surface opened as an insertion port for inserting and pulling the electronic component and having a housing part for housing the electronic component inside; a pair of connection terminals each having a lead part and a contact piece to the electrode of the electronic component; and further, the lead part is protruded from a back wall of the housing to backward of the housing, and the pair of connection terminals are attached to the housing so as to store the contact pieces to the housing part. Both contact pieces of the pair of connection terminals are capable of bending, in a crossing direction to an insertion direction of the electronic component with respect to the housing part, and holding the electronic component, by elastically contacting from both sides of the width direction to the electrode of the electronic component housed in the housing part through the insertion port. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an electronic component structure and a connector incorporating the same.

  As shown in FIG. 9, there is a connector in which a molded electronic component 3 is accommodated in a connector housing 1. The mold-type electronic component 3 is configured by resin-molding an electronic component element 3B such as a resistance element and leading out, for example, two lead terminal portions 3A to the outside.

  When the connector housing 1 is fitted into the mating connector housing 2, the four male terminal fittings 4M are connected to the female terminal fitting 4F, respectively, and the pair of lead terminal portions 3A are connected to the female terminal fitting 5 respectively. By doing in this way, since both the connectors 1 and 2 are electrically connected via the electronic component element 3B of the mold type electronic component 3, the electrical resistance of the connector can be measured.

  As disclosed in Patent Document 1, this type of molded electronic component 3 has a configuration in which a chip resistor is fixed to a lead terminal portion with solder.

Japanese Patent Laid-Open No. 10-214654 (FIG. 6)

  In the above, the lead terminal portion and the electronic component are connected (fixed) with solder. When attaching to solder, at least a solder application process, a surface mounting process, and a reflow process are required, and the manufacturing process tends to be complicated. The solder contains lead. In recent years, lead-free (lead-free solder containing no lead) has been promoted for environmental considerations, but it is expensive and inferior in quality. Under such circumstances, there has been a strong demand for a solderless method that does not use solder, and there is an urgent need to deal with it.

  The present invention has been completed based on the above-described circumstances, and an object thereof is to provide an electronic component structure that realizes solder-less and a connector incorporating the electronic component structure.

The present invention provides an electronic component provided with electrodes on both sides in the width direction, a housing having one surface opened as an insertion port for inserting and removing the electronic component, and an accommodating portion for accommodating the electronic component therein, and a lead portion And a pair of terminal fittings having contact pieces with respect to the electrodes of the electronic component, wherein the lead portion protrudes rearward from the back wall of the housing, and the contact piece is accommodated in the housing portion. An electronic component structure in which the pair of terminal fittings is attached to the housing, wherein both contact pieces of the pair of terminal fittings are deflectable in a direction intersecting an insertion direction of the electronic component with respect to the housing portion, It is characterized in that the electronic component is held by elastic contact from both sides in the width direction with respect to the electrode of the electronic component housed in the accommodating portion through the insertion port. .
In this invention, when the electronic component is accommodated in the accommodating portion, the pair of contact pieces elastically contact the electrodes from both sides in the width direction to hold the electronic component. In addition, since the contact piece contacts the electrode of the electronic component, the electrical connection of the electronic component to the terminal fitting is also achieved. Therefore, it is possible to eliminate the soldering of the electronic component.

As an embodiment of the present invention, the following configuration is preferable.
-A cap for closing the insertion port is provided. If it does in this way, it will become possible to prevent mixing of the foreign material in a housing.

-A pair of holding | maintenance part which hold | maintains the front-end | tip of the said electronic component from the both sides of a plate | board thickness direction in the said cap is formed. In this way, the support of the electronic component is stabilized.

  According to the present invention, it is possible to eliminate the soldering of electronic components.

The top view of the electronic component structure which concerns on one Embodiment of this invention Side view of electronic component structure 2 is a cross-sectional view taken along line BB in FIG. BB sectional view in FIG. 2 (shows the assembled state of the electronic component structure) AA line sectional view in FIG. Fig. 1 is a view from the direction C Fig. 1 is a view from the direction D Sectional drawing which shows the state which attached the electronic component structure to the connector The figure which shows the structural example of the connector which incorporated the electronic component

An embodiment of the present invention will be described with reference to FIGS.
The electronic component structure U is mainly composed of a chip resistor 50 (corresponding to an “electronic component” of the present invention), a housing 60, a pair of connection terminals 71A and 71B, and a cap 100. In the following description, the left side in FIG. 1 is the rear side, and the right side in FIG. 1 is the front side.

  The housing 60 is made of synthetic resin. The housing 60 has a box shape, and an accommodating portion 61 is formed inside. One surface of the housing 60 (the wall surface on the right side in FIG. 3) is opened as an insertion port 66 for inserting and removing the chip resistor 50, and the chip resistor 50 can be moved into and out of the housing portion 61 through the insertion port 66. Yes.

  The connection terminals 71A and 71B are formed by pressing a metal plate and have a symmetric shape. Each of the connection terminals 71A and 71B has a lead portion 72 having a shape in which metal plates are overlapped. The lead portion 72 has a plate shape as a whole, and has a long shape in the front-rear direction (left-right direction shown in FIG. 3). In addition, the metal plate on one side of the lead portion 72 extends forward (on the right side shown in FIG. 3) and constitutes a contact piece 75.

  The contact piece 75 is inclined obliquely outward at the boundary portion with the lead portion 72 and then extends horizontally toward the front. And as shown in FIG. 3, the front-end | tip part of the contact piece 75 is return | folded by the back side (left side shown in FIG. 3). The folded portion has a mountain shape, and the top portion thereof is a contact 77 for the electrode 55 of the chip resistor 50.

  The connection terminals 71 </ b> A and 71 </ b> B are inserted into the housing 60 to be fixed to the housing 60 at the same time as molding. Specifically, as shown in FIG. 3, the connection terminals 71A and 71B are arranged in parallel with each other in the width direction so that the contacts 77 face each other. The housing 60 penetrates the back wall 62 in the front-rear direction, and the connection terminals 71A and 71B are protruded to the rear of the housing 60 and the contact piece 75 is accommodated in the housing portion 61 in the housing 60. It is fixed.

  The contact piece 75 of each of the connection terminals 71A and 71B has a direction intersecting with the insertion direction of the chip resistor 50 with respect to the housing portion 61 (specifically, FIG. The whole can be bent in the direction of the arrow. The distance F between the contact points 77 of both contact pieces 75 is set to be somewhat narrower than the width dimension of the chip resistor 50 described later.

  Next, the chip resistor 50 has a rectangular shape, and has a rectangular shape that is long in the front-rear direction when viewed from the planar direction, as shown in FIG. The chip resistor 50 has electrodes 55 at each edge on both sides in the width direction (vertical direction in FIG. 3). The chip resistor 50 can be inserted into the housing portion 61 of the housing 60 through the insertion port 66 as shown in FIG.

  When the chip resistor 50 is inserted into the housing portion 61 of the housing 60, the contact points 77 of the pair of contact pieces 75 come into elastic contact with the chip resistor 50 from both sides in the width direction. Thereby, as shown in FIG. 4, the chip resistor 50 is held and supported by the pair of contact pieces 75 on both sides in the width direction. Further, since both sides in the width direction of the chip resistor 50 are electrodes 55, the chip resistor 50 and the connection terminals 71A and 71B are electrically connected by the contact piece 75 being elastically in contact therewith. It becomes a state.

  Further, as shown in FIG. 5, locking projections 68 are formed on the upper surface wall 63 </ b> U and the lower surface wall 63 </ b> L of the housing 60. The locking projection 68 has a function of locking the cap 100 described below. Such a locking projection 68 is a stopper surface with a rear end cut off, and the front side has a tapered shape that is gently inclined. In addition, concave escape grooves 69 are formed at the rear ends of the upper and lower double-side walls 63U and 63L of the housing 60 (see FIG. 1). The escape groove 69 is a relief for avoiding interference with the mounting piece 110 formed in the cap 100.

  The cap 100 is made of a synthetic resin, and has a main body 105 having a size that fits into the insertion port 66 of the housing 60 without a gap, as shown in FIGS. As shown in FIG. 5, a pair of upper and lower arm portions 106 and 107 are formed on the inner surface side of the main body portion 105 and in the central portion in the height direction (upper and lower sides of the center line L of the connection terminals 71A and 71B). Has been. Both arm portions 106 and 107 extend substantially horizontally from the inner surface of the main body portion 105 toward the housing portion 61 side, and can be inserted into the housing portion 61.

  A pressing protrusion 108 having a circular cross section is formed at the tip of both arm portions 106 and 107, respectively. The pressing protrusions 108 formed on both the arm portions 106 and 107 face each other in the vertical direction, and a gap is provided between them so that the chip resistor 50 can be inserted with a slight insertion resistance.

  Further, attachment pieces 110 are provided on the upper end side and the lower end side of the main body portion 105, respectively. The attachment pieces 110 face each other up and down so that the upper and lower side walls 63U and 63L of the housing 60 can be sandwiched. The mounting pieces 107 are provided with locking holes 118 corresponding to the locking protrusions 68.

  The cap 100 is assembled so that the chip resistor 50 is accommodated in the housing 60 as shown in FIG. When assembled, the main body portion 105 of the cap 100 fits into the insertion port 66 of the housing 60 without a gap, and the insertion port 66 of the housing 60 can be closed. The cap 100 is fixed to the housing 60 by the locking holes 118 of the cap 100 being locked to the locking protrusions 68 of the housing 60.

  Further, in the process of assembling the cap 100 to the housing 60, the front end portion of the chip resistor 50 held in the housing portion 61 is located between the pressing protrusions 108 formed on both arm portions 106 and 107 formed on the cap 100. Plugged in. Thereby, as shown in FIG. 5, the front end portion of the chip resistor 50 is sandwiched by both pressing projections 108 from both sides in the plate thickness direction (here, the vertical direction).

  Therefore, when the assembly is completed, the position restriction acts on the chip resistor 50 in the width direction (position restriction action by the pair of contact pieces 75) as well as in the plate thickness direction (position restriction action by the pair of pressing protrusions 108). The chip resistor 50 can be held more securely in the housing portion 61.

  As described above, according to the present embodiment, when the chip resistor 50 is accommodated in the accommodating portion 61, the contact piece 75 elastically contacts the chip resistor 50 from both sides in the width direction. Thereby, the chip resistor 50 is held in the housing 60. In addition, since the contact piece 75 contacts the electrode 55 of the chip resistor 50, the electrical connection of the chip resistor 50 to the connection terminals 71A and 71B is also achieved. Therefore, it is possible to eliminate the soldering of the chip resistor 50.

  Further, since the chip resistor 50 is elastically held by the contact piece 75, the chip resistor 50 can be detached from the contact piece 75 if the chip resistor 50 in the housing portion 61 is pulled out. The chip resistor 50 can be exchanged according to

  Further, in the present embodiment, the cap 100 is provided to close the insertion port 66, so that there is no possibility that foreign matter is mixed into the accommodating portion 61. Of course, since the cap 100 can be attached to and detached from the housing 60, the replacement work of the chip resistor 50 is not hindered.

  The electronic component structure U described above is used by being assembled to the connector housing 201 so that the lead portion 72 protrudes horizontally from the hood 210 as shown in FIG. Specifically, the connector housing 201 is formed with an accommodating portion 203 that communicates with the hood 210, and the electronic component structure U is accommodated therein. And the accommodated electronic component structure U is held by the retainer 250. The retainer 250 has a cylindrical shape that can be fitted to the inner peripheral side of the hood 210. A through hole 255 through which the lead portion 72 is inserted is formed in the inner wall 251 of the retainer 250, and a regulating wall 253 is formed around the through hole 255 so as to protrude toward the housing portion 20 side.

  Then, when the retainer 250 is inserted toward the back side of the hood 210 while passing the lead portion 72 of the electronic component structure U through the through hole 255, the lock portion 260 provided on the retainer 250 is locked to the connector housing 201. To do. In this locked state, the end surface of the restriction wall 253 of the retainer 250 abuts against the wall (back wall 62) of the housing 60 of the electronic component structure U. Thereby, the electronic component structure U is held in a state where it is prevented from being detached.

  When the connector 200 (a connector in which the electronic component structure U is accommodated in the connector housing 201) is fitted to the mating connector (not shown), the connection terminals 71A and 71B of the electronic component structure U are connected. Each lead portion 72 is connected to a female terminal fitting of the mating connector. By doing in this way, since both connectors are electrically connected via the chip resistor 50 of the electronic component structure U, the electrical resistance of the connector can be measured.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.

  (1) In the above embodiment, the chip resistor is exemplified as an example of the electronic component. However, the present invention can also be applied to other chip-like components such as a diode chip.

  (2) In the above embodiment, the connection terminal is fixed by inserting it into the housing. However, the connection terminal fixing method is not limited to the insert, and other fixing methods such as press-fitting. Can also be used as appropriate.

  (3) In the above embodiment, as an assembling procedure of the electronic component structure U, the procedure of first inserting the chip resistor 50 into the housing 60 and then attaching the cap 100 is taken as an example, but the assembling procedure is limited to this. For example, the chip resistor 50 may be held in advance with respect to the cap 100, and the cap 100 with the chip resistor may be attached to the housing 60.

50: Chip resistor (corresponding to “electronic component” of the present invention)
55 ... Electrode 60 ... Housing 62 ... Back wall 66 ... Insertion port 71A, 71B ... Connection terminal 72 ... Lead part 75 ... Contact piece 77 ... Contact 100 ... Cap 106, 107 ... Arm 108 ... Pressing protrusion ("Pressing part" of the present invention Is equivalent to

Claims (4)

An electronic component provided with electrodes on both sides in the width direction;
A housing having one surface opened as an insertion port for inserting and removing the electronic component, and an accommodating portion for accommodating the electronic component therein;
A pair of connecting terminals having a lead portion and a contact piece for the electrode of the electronic component,
An electronic component structure in which the lead portion protrudes rearward from the rear wall of the housing and the pair of connection terminals are attached to the housing so that the contact piece is accommodated in the housing portion,
Both contact pieces of the pair of connection terminals can be bent in a direction intersecting the insertion direction of the electronic component with respect to the housing portion, and the width direction with respect to the electrode of the electronic component housed in the housing portion through the insertion port An electric component structure having a configuration in which the electronic component is held elastically from both sides of the electronic component.   The electronic component structure according to claim 1, further comprising a cap that closes the insertion opening.   3. The electronic component structure according to claim 1, wherein a pair of pressing portions that support the front end portion of the electronic component from both sides in the plate thickness direction are formed on the cap.   A connector comprising the electronic component structure according to any one of claims 1 to 3 incorporated in a connector housing.

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