KR20120134005A - Electric connector - Google Patents

Abstract

<Problem> An electrical connector disposed on a mounting surface of a circuit board and fitted with a plug of a mating connector along a direction parallel to the mounting surface, while ensuring that the housing is displaced with respect to the circuit board, Cost is cheap.
Solution The electrical connector 9 includes a linear or axial first contact 11, a second contact 12, and a housing 10 holding these contacts 11, 12. The first substrate-side mounting portion 11e of the first contact 11 is disposed on the fitting direction D1 side with respect to the housing 10, and is also mounted on the circuit board 2. The second connecting portion 12g of the second contact 12 is disposed on the mounting surface 2a side with respect to the first connecting portion 11b of the first contact 11 with respect to the height direction Z1. The second substrate-side mounting portion 12d of the second contact 12 is disposed on the side opposite to the fitting direction D1 with respect to the second connecting portion 12g and mounted on the circuit board 2.

Description

Electrical Connector {ELECTRIC CONNECTOR}

The present invention relates to an electrical connector mounted on a circuit board.

As disclosed in Patent Literature 1, a board-to-wire type electrical connector is known which connects electric circuits and electric wires of a circuit board. Patent Document 1 discloses a female connector connected to an electric wire and a male connector configured to be detachable from the female connector and fixed to a circuit board. The male connector includes a housing and a needle tool slot. The housing has a box shape opened in the horizontal direction (direction parallel to the surface of the circuit board). In the housing, a plurality of holes are formed in the wall (vertical wall extending vertically) opposite to the portion where the opening is formed. These holes are formed in the housing in two stages up and down, and are arranged in a plurality in the width direction of the housing (direction parallel to the surface of the circuit board). A needle-like tool slot is inserted through each hole.

One end side of each means tool is arranged in the housing and is configured to contact the female end tool of the female connector inserted into the housing. The other end side of each means tool is arranged outside the housing, and constitutes a fixing part fixed to the surface of the circuit board. By such a configuration, the means tool brackets are arranged in two stages up and down in the housing, and on the outside of the housing, the means tool brackets are arranged in a horizontal line and fixed to the circuit board.

[Patent Document 1] Japanese Unexamined Patent Application Publication No. 2005-197035 (paragraph, FIG. 8)

In the structure described in patent document 1, all the means tool tools protrude from the housing in the same direction. Therefore, the housing is fixed to the circuit board through the means tool bracket only on one side of the housing. In such a fixed structure, a force acts on each part of the male connector when the female connector is inserted into the male connector or when the female connector is pulled out of the male connector, for example. This force is applied to the circuit board and the fixing part with each circuit board. As a result, displacement of the housing is suppressed.

However, in the configuration in which the housing is fixed to the circuit board only on one side of the housing by means of the means tool, it is not sufficient to suppress the displacement of the housing. Specifically, the means tool is deformed by a force acting when the male connector and the female connector are attached or detached, with the fixing part on the side of the circuit board as the point, and thereby the means fund. The housing connected to the sphere may be displaced.

Therefore, in order to suppress the housing from being displaced with respect to the circuit board even when a large force is applied to the housing, it is necessary to fix the reinforcing tool at a position opposite to that in which the means tool is fixed to the circuit board. The reinforcement bracket is fixed to the circuit board. If the reinforcing bracket is provided, the housing can be firmly fixed to the circuit board by the cooperation of the terminal bracket and the reinforcing bracket. However, in this case, a reinforcing bracket is required, which leads to an increase in component cost and an increase in the process of assembling the reinforcing bracket in the housing separately from the terminal bracket. For this reason, the manufacturing cost of a connector will increase through the increase of the assembly cost accompanying an increase in component cost and a fall of assembly efficiency.

In view of the above circumstances, an object of the present invention is to provide an electrical connector which can reliably suppress displacement of a housing with respect to a circuit board and which is low in manufacturing cost.

The terminal (contact) of the electrical connector is not limited to the above needle shape, but there is also a sheet metal obtained by pressing a sheet metal. However, since the sheet metal contact has high rigidity, it cannot be easily deformed. For this reason, when the mounting position of the contact of the sheet metal contact with respect to the housing is shifted from the normal position, when the mating connector is inserted into the housing, the contact of the sheet metal that is in contact with the mating connector cannot be bent. As a result, there is a fear that the mating connector cannot be connected to the electrical connector. For this reason, when using the sheet metal contact, it is necessary to assemble the contact in the housing in a state of accurately positioning the contact with respect to the housing. Thus, it takes time to assemble the contacts into the housing. Therefore, the manufacturing efficiency of the electrical connector is poor. As a result, the manufacturing cost of an electrical connector becomes high. In particular, the contacts of the sheet metal disposed on the upper side of the housing are long vertically long. As a result, the contact of the sheet metal disposed on the upper end side of the housing tends to have a large position difference with the housing, and a poor contact with the mating connector due to the position difference tends to occur. In addition, if all the terminals of the electrical connector are made of sheet metal members, the manufacturing cost increases. As a result of intensive research, the inventor of the present application has obtained the above findings and came up with the present invention.

The electrical connector according to the first invention for achieving the above object is an electrical connector which is arranged on a mounting surface of a circuit board, and the plug of the mating connector is fitted along a predetermined fitting direction parallel to the mounting surface. And a housing forming a fitting space into which the plug is fitted, a first linear or axial contact held in the housing, and a second contact held in the housing. The first contact includes a first housing side fixing portion fixed to the housing, a first connecting portion disposed in the fitting space and electrically connected to the mating connector, and the fitting with respect to the first connecting portion. A first substrate side mounting portion disposed on the direction side and mountable on the circuit board. Further, the second contact is disposed on the mounting surface side with respect to the first connection portion with respect to the second housing side fixing portion fixed to the housing and the height direction perpendicular to the mounting surface, and to the mating connector. And a second connecting portion that is electrically connectable, and a second substrate-side mounting portion that is arranged on the side opposite to the fitting direction with respect to the second connecting portion, and is mountable on the circuit board.

According to the present invention, in the fitting space, the distance of the first contact from the circuit board is longer than the distance of the second contact from the circuit board. Moreover, the 1st contact is arrange | positioned at the upper end side in the fitting space. As the first contact is formed linearly or axially, it is likely to bend. For this reason, the 1st contact can be bent by contact with a plug at the time of contact with a plug, and can be aligned with respect to a plug. For this reason, electrical connection can be achieved by reliably making a 1st contact contact with the electrically-conductive member of a plug. As a result, in the manufacture of the electrical connector, when assembling the first contact to the housing, there is no need to strictly position the first contact with respect to the housing. Therefore, the speed (efficiency) of the mounting operation of the first contact to the housing can be increased. This makes it possible to increase the number of assembly of electric connectors per unit time. Therefore, the manufacturing cost of the electrical connector can be reduced. Moreover, even if it is not expensive press molding, a linear 1st contact can be manufactured at low cost by a wire rod etc. Therefore, manufacturing cost can be reduced further. Moreover, the 1st board | substrate side mounting part and the 2nd board | substrate side mounting part are arrange | positioned at both sides of a fitting direction with respect to the fitting space. As a result, the circuit board can support the housing from both sides in the fitting direction through the first and second contacts. Therefore, the bonding strength between the electrical connector and the circuit board can be increased. For example, a force parallel to the fitting direction may act on the housing as a force that knocks the housing against the circuit board. At this time, the fall of the housing on the circuit board can be more surely suppressed by the cooperation of the first and second substrate side mounting portions. In addition, there is no need to separately provide a member (reinforcing bracket or the like) for preventing the fall of the housing. Therefore, manufacturing cost can be further reduced by reducing the number of parts. Therefore, according to the present invention, it is possible to reliably suppress the displacement of the housing with respect to the circuit board and to provide an electrical connector which is inexpensive to manufacture.

The electrical connector according to the second aspect of the invention is the electrical connector according to the first aspect of the invention, wherein the first contact is formed by using a portion of a wire rod having a uniform cross section.

According to this invention, since the 1st contact is formed based on a wire rod, manufacturing cost can be made cheap. In addition, since the wire can be made thin, the first contact can be made shorter with respect to the direction parallel to the fitting direction. Thereby, the length which the 1st contact and a housing occupy in the direction parallel to a fitting direction as a whole can be shortened. Therefore, miniaturization of the electrical connector can be achieved.

The electrical connector according to the third invention is the electrical connector according to the first or second invention, wherein the first contact has a first intermediate portion disposed between the first connection portion and the first substrate side mounting portion, The first intermediate portion has a shape in which a portion is bent, the position in the height direction is changed from the first connection portion side toward the first substrate side mounting portion side, and the width of the housing perpendicular to the fitting direction From the direction, the position of at least a part of the first intermediate part overlaps with the position of the housing.

According to this invention, the 2nd board | substrate side mounting part and the 1st board | substrate side mounting part are arrange | positioned and spaced apart in the fitting direction. Thereby, the 2nd board | substrate side mounting part does not interfere with the arrangement | positioning of a 1st board | substrate side mounting part. Therefore, the 1st board | substrate side mounting part can be arrange | positioned closer to the housing. Therefore, a 1st intermediate part can also be arrange | positioned in the vicinity of a housing. By arranging the first intermediate portion and the first substrate side mounting portion in the vicinity of the housing, it is possible to increase the effect of preventing fall of the electrical connector due to the cooperation of the first and second substrate side mounting portions, The other effect that a connector can be miniaturized can be raised and exhibited.

The electrical connector according to the fourth invention is the electrical connector according to the first or second invention, wherein the second contact is formed by pressing a metal material.

According to the present invention, since the second contact formed by the press working can increase the cross-sectional secondary moment, the rigidity is higher than that of the first contact, and the bonding strength with the circuit board can be increased. Further, the second contact is compact because the height from the circuit board is low. Therefore, even if the position of the second contact with respect to the housing is slightly shifted from the normal position, the second contact can be prevented from interfering with the insertion of the plug of the mating connector into the housing. Therefore, at the time of assembling the electrical connector, the trouble (time) of precisely positioning the second contact with respect to the housing is unnecessary. Thus, the contact can be assembled to the housing at high speed. As a result, the manufacturing efficiency of the electrical connector can be increased to further reduce the manufacturing cost of the electrical connector.

In the electrical connector according to the fifth aspect of the invention, in the electrical connector according to the first or second aspect of the invention, the housing is opened to an end on the side opposite to the fitting direction so that a part of the second contact is along the fitting direction. And a second contact fixing part disposed on the fitting direction side with respect to the slit and passing through the slit inserted and fixed to the second housing side fixing part.

According to the present invention, the second contact can be guided toward the second contact fixing part of the housing by inserting and passing the second contact into the slit. As a result, the second housing side fixing portion of the second contact is fixed at the correct position to the housing while omitting the correct positioning operation with respect to the housing. As a result, it can be fixed to a housing at high speed also with respect to the plate-shaped 2nd contact which is hard to raise the fixed speed to a housing compared with a linear 1st contact.

According to the present invention, it is possible to reliably suppress the displacement of the housing with respect to the circuit board, and to provide an electrical connector having a low manufacturing cost.

1 is a perspective view showing an electrical connection device according to an embodiment of the present invention.
2 (a) is a plan view of the electrical connector, and (b) is a bottom view of the electrical connector.
3 is a front view and a sectional view of the circuit board as seen from the upstream side of the fitting direction of the electrical connector.
4 is a cross-sectional view of the electrical connector along the line IV-IV of FIG. 3, a side view of the mating connector, and a cross-sectional view of the circuit board, showing a state in which the electrical connector is viewed from the width direction.
5 is a cross-sectional view showing a state in which the electrical connector and the mating connector are coupled.
Fig.6 (a) is a front view which abbreviate | omits a part of the mating connector, and has shown the state which looked at the mating connector from the upstream side of the drawing direction, (b) is the bottom view of the mating connector. The state seen from the height direction is shown.

EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing this invention is demonstrated, referring drawings. Moreover, this invention is a board-to-wire type electrical connector which electrically connects an electric wire and a circuit board, and is applicable widely to various uses.

1 is a perspective view showing an electrical connection device 1 according to an embodiment of the present invention. The electrical connection device 1 is provided for electrically connecting the circuit board 2 and the first and second covered wires 3 and 4. The circuit board 2 is, for example, a circuit board provided in the liquid crystal display device. The circuit board 2 is formed in a flat plate shape, and a plurality of conductive portions 2b and a plurality of conductive portions 2c are formed on the mounting surface 2a serving as one side. Each conductive portion 2b, 2c is formed of a metal material and is electrically connected to a semiconductor or the like not shown.

The electrical connection device 1 includes an electrical connector 9 and a mating connector 29 connected to the electrical connector 9.

The electrical connector 9 is mounted on the mounting surface 2a of the circuit board 2, and is electrically connected to the plurality of conductive parts 2b and the plurality of conductive parts 2c of the circuit board 2. . The mating connector 29 is electrically connected to the wires of the plurality of first covered wires 3 and the wires of the plurality of second covered wires 4, and is configured to be detachable from the electrical connector 9. It is.

When connecting the mating connector 29 to the electrical connector 9, the mating connector 29 is aligned with respect to the electrical connector 9 in a predetermined fitting direction D1 parallel to the mounting surface 2a. Then, the mating connector 29 is displaced to the electrical connector 9 side along the fitting direction D1. Thereby, the plug 39 mentioned later of the mating connector 29 fits into the electrical connector 9, and electrical connection and mechanical connection between these connectors 9 and 29 are achieved.

On the other hand, when removing the mating connector 29 from the electrical connector 9, the mating connector 29 is the drawing direction D2 opposite to the fitting direction D1 with respect to the electrical connector 9. Displace along As a result, the mating connector 29 is detached from the electrical connector 9, and electrical and mechanical connections between these connectors 9 and 29 are released.

Next, the electrical connector 9 will be described in detail. In addition, below, the electrical connector 9 is demonstrated based on the state mounted on the mounting surface 2a. The electrical connector 9 is a multipole connector (2 × 10 = 20 poles in this embodiment). The electrical connector 9 includes a housing 10, a plurality of first contacts 11, and a plurality of second contacts 12. The housing 10 is provided as a holding member for holding the plurality of first contacts 11 and the plurality of second contacts 12. Moreover, the housing 10 is comprised so that the fitting space 13 to which the plug 39 mentioned later of the mating connector 29 can be fitted may be formed.

The housing 10 is formed of an insulating material such as synthetic resin, and is disposed on the mounting surface 2a. The housing 10 is formed in the box shape opened toward the drawing direction D2, and extends in the width direction X1, the depth direction Y1, and the height direction Z1. In addition, the depth direction Y1 is a direction parallel to the fitting direction D1 and the drawing direction D2. The height direction Z1 is a direction orthogonal to the depth direction Y1 and orthogonal to the mounting surface 2a. The width direction X1 is a direction orthogonal to both the depth direction Y1 and the height direction Z1. The housing 10 is formed in a flat shape, and the length of the width direction X1 is larger than the length of the depth direction Y1 and the length of the height direction Z1.

2A is a plan view of the electrical connector 9, and FIG. 2B is a bottom view of the electrical connector 9; 3 is a front view and cross-sectional view of the circuit board 2 with the electric connector 9 viewed from an upstream side in the fitting direction D1. As shown in FIGS. 2B and 3, the housing 10 includes a lower wall 14, an upper wall 15, and a pair of left and right side walls 16, 17), a five wall 18, and a middle wall 19 are included.

The lower wall 14 is formed in a rectangular shape which extends thin and long in the width direction X1 and extends in the depth direction Y1, and is disposed on the mounting surface 2a. As shown in FIGS. 2A and 3, the upper wall 15 is formed in a rectangular shape that extends thin and long in the width direction X1 and extends in the depth direction Y1. The upper wall 15 is spaced apart from the lower wall 14 in the height direction Z1 in parallel. The pair of side walls 16 and 17 extend in the height direction Z1 and connect the ends of the upper wall 15 and the lower wall 14 in the width direction X1.

4 is a cross-sectional view of the electrical connector 9 along the line IV-IV in FIG. 3 and a partial side view of the mating connector 29 and a cross-sectional view of the circuit board 2, with the electrical connector 9 in the width direction X1. The state seen from the figure is shown. As shown in FIG. 3 and FIG. 4, the five walls 18 extend in the width direction X1 and the height direction Z1. This five wall 18 is connected to each of the lower wall 14, the upper wall 15, and the side walls 16 and 17, and one end (edge part of the fitting direction D1 side) of the depth direction Y1. As a result, the five walls 18 cover the fitting space 13 as a space formed in the housing 10 from one end side in the depth direction Y1. The middle part of the height direction Z1 among the outer surfaces of the five walls 18 is concave toward the drawing direction D2 side.

With the above configuration, the housing 10 forms a fitting space 13 surrounded by the lower wall 14, the upper wall 15, the side walls 16 and 17, and the wrong wall 18. The fitting space 13 is an elongated block-shaped space in the width direction X1, and is a fitting space for fitting with the plug 39 of the mating connector 29 displaced along the fitting direction D1. Consists of. In the housing 10, an opening 10a opened toward the mating connector 29 is formed at an end portion of the housing 10 opposite to the recess wall 18, and the middle wall 19 disposed in the fitting space 13 is provided. ) Is revealed.

The middle wall 19 is provided as a guide member for guiding the insertion operation of the plug 39 of the mating connector 29 toward the fitting space 13. The middle wall 19 is a plate-like part disposed substantially parallel to the lower wall 14 and the upper wall 15, and extends thin and long in the width direction X1. Both ends of the middle wall 19 in the width direction X1 are arranged to be spaced apart from the side walls 16 and 17. In addition, in the height direction Z1, the middle wall 19 is arrange | positioned substantially in the center of the fitting space 13.

As shown in FIG. 2B and FIG. 4, the housing 10 is provided with a pair of protective walls 20 and 21. The pair of protective walls 20 and 21 are provided in order to protect the part which protrudes from the housing 10 among the 1st contacts 11. The pair of protective walls 20 and 21 protrude from the pair of side walls 16 and 17 toward the fitting direction D1, and the height of the height direction Z1 is approximately the same as the side walls 16 and 17. It is shaped like a plate.

The first contact 11 is mounted (fixed) to the conductive portion 2b of the circuit board 2 so that the first contact 11 can be contacted with the first counterpart contact 31 described later of the counterpart connector 29. It is provided as a conductive member. The first contact 11 is provided as a first mounting member for mounting the housing 10 on the circuit board 2 from the fitting direction D1 side (one end side in the depth direction Y1). The 1st contact 11 is provided in multiple numbers (10 in this embodiment) at equal intervals along the width direction X1 parallel to the mounting surface 2a. Each first contact 11 is held in a housing 10, respectively.

The shape of each 1st contact 11 is comprised similarly. For this reason, in the following description, the 1st contact 11 of the 1st contact 11 comprised similarly is demonstrated, and the description about the structure of the other 1st contact 11 is abbreviate | omitted.

As shown in FIG. 4, the first contact 11 is configured to be assembled to the housing 10 by being displaced in the drawing direction D2 side with respect to the wrong wall 18 of the housing 10. That is, the 1st contact 11 is comprised so that it may be assembled to the housing 10 by being displaced toward the upstream side from the downstream side of the fitting direction D1 with respect to the housing 10.

The first contact 11 is formed linearly or axially. More specifically, the 1st contact 11 is formed using what isolate | separated a part of wire rod of the shape with constant cross section which consists of metal materials. The 1st contact 11 is comprised, for example with copper alloy as a raw material. The surface of the first contact 11 is subjected to plating treatment such as tin plating or gold plating, for example. Moreover, the cross-sectional shape of said wire rod is polygonal shape, such as an annular shape and rectangular shape, for example, and is formed in rectangular shape in this embodiment. Further, bending of the material of the first contact 11 is performed, and the first contact 11 has a shape in which a part of the first contact 11 is bent (curved).

The 1st contact 11 is formed in the crank shape which bent smoothly, when seen from the width direction X1. More specifically, the first contact 11 is a portion extending straight from the upstream side of the fitting direction D1 in the fitting direction D1, a portion where the position in the height direction Z1 changes, and the fitting It has a part extending straight in the custom direction D1. The first contact 11 has one end portion 11a, a first connecting portion 11b, a first housing side fixing portion 11c, a first intermediate portion 11d, and a first substrate side mounting portion 11e. ) And the other end 11f.

One end portion 11a of the first contact 11 is provided to facilitate the insertion operation when the first contact 11 is inserted into the wrong wall 18 of the housing 10. The one end 11a is a sharp part whose taper becomes thin as it progresses along the drawing direction D2. The one end 11a is arrange | positioned in the fitting space 13, and is arrange | positioned in the vicinity of the opening part 10a of the housing | casing 10. As shown in FIG.

The 1st connection part 11b is comprised so that a contact (electrically connectable) is possible with the 1st counterpart contact 31 of the counterpart connector 29. As shown in FIG. The 1st connection part 11b extends linearly from the one end part 11a along the fitting direction D1. The first connecting portion 11b is disposed between the middle wall 19 and the upper wall 15 of the housing 10 together with the one end 11a in the fitting space 13. The 1st connection part 11b is elongate and elongate, and it is easy to bend and displace by making the 1st housing side fixing part 11c into a point.

The first housing side fixing portion 11c is provided as a fixing portion fixed to the housing 10. The first housing side fixing portion 11c extends linearly from the first connecting portion 11b along the fitting direction D1. The first housing side fixing portion 11c is press-fitted to the cylindrical first fixing portion 18a formed by penetrating the five walls 18 in the fitting direction D1. By the above configuration, the first contact 11 is fixed to the housing 10. A chamfer is provided in the edge of the downstream side of the fitting direction D1 among the 1st fixing parts 18a. This makes it easy to insert the first contact 11 into the first fixing portion 18a (insertion of the one end 11a).

The 1st intermediate | middle part 11d is provided in order to connect the 1st housing side fixing part 11c (1st connection part 11b) from which the position of the height direction Z1 differs, and the 1st board | substrate side mounting part 11e. have. The first intermediate portion 11d is disposed between the first connecting portion 11b and the first substrate-side mounting portion 11e and is disposed outside the housing 10. One end portion 11g of the first intermediate portion 11d is connected to the first housing side fixing portion 11c and is bent (curved) toward the first substrate side mounting portion 11e side. The middle portion 11h of the first intermediate portion 11d extends in a straight line and is inclined at an angle with respect to the first housing side fixing portion 11c as viewed from the width direction X1. The other end 11j of the first intermediate portion 11d is bent (curved) from the middle portion 11h toward the direction parallel to the fitting direction D1.

According to the above configuration, the first intermediate portion 11d has a shape in which part of the first intermediate portion 11d is bent, and in the height direction Z1 from the first connection portion 11b side toward the first substrate side mounting portion 11e. It has a configuration that changes its position. In addition, the position of at least one part (in this embodiment, one end 11g and middle part 11h) regarding the direction parallel to the fitting direction D1 is 1st intermediate part 11d of the housing 10, It overlaps with the position of the protective walls 20 and 21 (in FIG. 4, the protective wall 21 is not shown). That is, from the width direction X1 orthogonal to the fitting direction D1, the position of at least one part (11 g of one end part and 11 h of middle parts in this embodiment) of the 1st intermediate part 11d is It overlaps with the position of the protective walls 20 and 21 of the housing 10.

One end portion 11g of the first intermediate portion 11d is also curved in the immediate vicinity of the first housing side fixing portion 11c fixed to the housing 10 and disposed outside the fitting space 13. It is. For this reason, there exists a possibility that high stress may generate | occur | produce when one end part 11g contacts a foreign material. In this manner, the first contacts 11 can be reliably protected by protecting the one end portion 11g of the first intermediate portion 11d, which may have high stress due to contact with foreign matter, by the protective walls 20 and 21. Can be.

The first substrate side mounting portion 11e is provided as a mounting portion to be mounted on the circuit board 2. The 1st board | substrate side mounting part 11e extends linearly along the fitting direction D1 from the other end part 11j of the 1st intermediate | middle part 11d, and is fitting direction with respect to the 1st connection part 11b ( It is arrange | positioned at the D1) side (downstream of the fitting direction D1). The first substrate mounting portion 11e is fixed to the conductive portion 2b of the circuit board 2 by soldering (not shown) or the like. By the above configuration, the first contact 11 is fixed to the circuit board 2. The other end portion 11f of the first contact 11 is formed in a sharp shape with a tapered end as it progresses along the fitting direction D1.

3 and 4, the second contact 12 is mounted (fixed) to the conductive portion 2c of the circuit board 2 so as to be conductively connected, and the second connector described later of the mating connector 29 will be described later. It is provided as a electrically conductive member which can contact the partner contact 32. As shown in FIG.

The second contact 12 is provided as a second mounting member for mounting the housing 10 on the circuit board 2 from the side opposite to the fitting direction D1 (the other end side of the depth direction Y1). . The 2nd contact 12 is provided in multiple numbers (10 in this embodiment) at equal intervals along the width direction X1 parallel to the mounting surface 2a. Each second contact 12 is held in the housing 10, respectively. That is, the plurality of second contacts 12 are arranged in a direction parallel to the direction in which the plurality of first contacts 11 are arranged in a line.

The plurality of second contacts 12 are aligned with the plurality of first contacts 11 in the width direction X1, respectively. In addition, the first contact 11 and the second contact 12 are alternately arranged in the width direction X1, so that the position and the second contact 12 of the first contact 11 in the width direction X1 are alternated. The position of may be shifted.

The shape of each 2nd contact 12 is comprised similarly. For this reason, in the following description, the 2nd contact 12 of one of the 2nd contacts 12 comprised similarly is demonstrated, and the description about the structure of the other 2nd contact 12 is abbreviate | omitted.

The 2nd contact 12 is formed by press-processing a metal material, and is comprised, for example with copper alloy as a raw material. The surface of the second contact 12 is, for example, plated with tin plating or gold plating. The 2nd contact 12 is formed in plate shape, and thickness (plate thickness) is substantially constant.

The second contact 12 is configured to be assembled to the housing 10 by being displaced along the fitting direction D1 with respect to the housing 10. The second contact 12 is disposed so as to be surrounded by the first contact 11 and the circuit board 2 when viewed from the width direction X1. The second contact 12 has a shape in which the middle portion of the fitting direction D1 is higher in the height direction Z1 than in the other portions of the second contact 12. In addition, the second contact 12 is held in the housing 10 in an attitude standing upright with respect to the mounting surface 2a of the circuit board 2. The second contact 12 includes a first portion 12a, a second portion 12b, and a second housing side fixing portion 12c disposed along the fitting direction D1.

The first portion 12a of the second contact 12 is a member having a substantially constant height in the height direction Z1, which extends along the fitting direction D1. The first portion 12a is provided as a mounting portion to be mounted on the circuit board 2. A part of the first portion 12a protrudes in the drawing direction D2 from the opening 10a of the housing 10, and the other part is fitted into the slit 14a formed on the lower wall 14 of the housing 10. It is inserted and arranged along the alignment direction D1.

The slit 14a is formed by notching the inner side surface of the lower wall 14 along the fitting direction D1, and the peripheral part of the opening 10a among the slits 14a has the lower wall 14 in the height direction ( Penetrates through Z1). The slit 14a is opened in the opening part 10a as the edge part on the opposite side to the fitting direction D1 among the lower walls 14. The portion of the first portion 12a that faces the mounting surface 2a of the circuit board 2 is formed parallel to the fitting direction D1, and constitutes the second substrate side mounting portion 12d. have.

The 2nd board | substrate side mounting part 12d is arrange | positioned with respect to the 2nd connection part 12g mentioned later on the side opposite to the fitting direction D1 (drawing direction D2 side). The 2nd board | substrate side mounting part 12d is being fixed to the electroconductive part 2c of the mounting surface 2a using solder etc. which are not shown in figure. The second substrate-side mounting portion 12d is arranged in one end portion 11a of the first contact 11 and in the height direction Z1. Moreover, the locking part 12e is formed in the edge part of the downstream side of the fitting direction D1 side among the 1st parts 12a. The locking portion 12e is provided to prevent the second contact 12 from floating on the housing 10. The locking portion 12e opposes the outer side surface of the lower wall 14 and meshes with this outer side surface.

The 2nd part 12b is formed in substantially rectangular shape as seen from the width direction X1, and includes the fitting part 12f which fits into the slit 14a, and the 2nd connection part 12g. The fitting portion 12f is fitted to the lower wall 14 from both sides in the width direction X1 by fitting the slit 14a. One end of the fitting portion 12f on the side of the opening portion 10a is continuous to the first portion 12a. By the above structure, a part of the 1st part 12a and the fitting part 12f of the 2nd part 12b among the 2nd contact 12 along the fitting direction D1 are the slit 14a. Inserted into and passed through. A small gap C1 is formed between the second portion 12b and the five wall 18. Thereby, the positional difference (difference from a normal position) of the 2nd contact 12 resulting from the contact of the 2nd part 12b and the uneven wall 18 is suppressed.

The 2nd connection part 12g is provided in order to electrically connect with the 2nd counterpart contact 32 mentioned later of the counterpart connector 29. As shown in FIG. The second connecting portion 12g protrudes from the fitting portion 12f toward the middle wall 19 side in the height direction Z1 and extends in the fitting direction g1. The one end part of the opening part 10a side among the 2nd connection parts 12g is formed in the shape which becomes an end tapering along the drawing direction D2. Thereby, one end part of the opening part 10a side among the 2nd connection parts 12g has a function as a guide at the time of fitting the 2nd partner side contact 32 to the 2nd connection part 12g. With respect to the height direction Z1, the second connecting portion 12g is disposed on the mounting surface 2a side of the circuit board 2 with respect to the first connecting portion 11b of the first contact 11. The second connecting portion 12g is arranged in the first connecting portion 11b and the height direction Z1.

The second housing side fixing portion 12c is provided as a fixing portion fixed to the housing 10. The second housing side fixing portion 12c extends substantially straight along the fitting direction D1 from the fitting portion 12f of the second portion 12b, and is formed in a rectangular shape when viewed from the width direction X1. have. The second housing side fixing portion 12c is press-fitted into a cylindrical second fixing portion (second contact fixing portion) 18b formed by penetrating the five walls 18 in the fitting direction D1. The protrusion formed in a part of the second housing side fixing portion 12c is firmly engaged with the inner circumferential surface of the second fixing portion 18b.

The second fixing portion 18b is disposed downstream of the fitting direction D1 with respect to the slit 14a. By the above structure, the second contact 12 is fixed to the housing 10. With respect to the height direction Z1, the second housing side fixing portion 12c is disposed between the first housing side fixing portion 11c and the mounting surface 2a, and the first housing side fixing portion 11c. And are lined up.

Next, the mating connector 29 will be described. Note that the mating connector 29 will be described with reference to the state when it is connected to the electrical connector 9. Therefore, the width direction X1, the depth direction Y1, and the height direction Z1 are also the depth direction, the height direction, and the width direction of the mating connector 29, respectively.

5 is a cross-sectional view showing a state in which the electrical connector 9 and the mating connector 29 are coupled. FIG. 6: (a) is a front view which abbreviate | omits a part of the mating connector 29, and has shown the state which looked at the mating connector 29 from the upstream side of the drawing direction D2. FIG. 6B is a bottom view of the mating connector 29 and shows a state seen from the height direction Z1. As shown to Fig.5 and FIG.6 (a), the mating side connector 29 has the mating side housing 30, the some 1st mating side contact 31, and the some 2nd mating side contact 32. As shown to FIG. ) And a lock plate 33 are included.

The mating housing 30 is made of an insulating material such as synthetic resin. The mating housing 30 includes a first container 34, a second container 35, and a fitting recess 36 disposed between the first container 34 and the second container 35, and have. Along the height direction Z1, it arrange | positions in order of the 1st container 34, the fitting recessed part 36, and the 2nd container 35. FIG.

The first receptor 34 is provided as a receiving member for accommodating a plurality of first counterpart side contacts 31. The 1st container 34 is formed in the shape of the flat plate which elongates and elongates in the width direction X1. A plurality of first storage chambers 37 are formed in the first container 34. The first storage chamber 37 is provided in the same number as the number of the first contacts 11 of the electrical connector 9. The 1st accommodating chamber 37 is arrange | positioned in the same arrangement pitch as the arrangement pitch of the 1st contact 11 along the width direction X1. Each 1st accommodating chamber 37 has penetrated the 1st container 34 in the depth direction Y1, respectively.

The shape of each 1st storage chamber 37 is comprised similarly. For this reason, in the following description, the 1st storage chamber 37 of the 1st storage chamber 37 comprised similarly is demonstrated, and the description about the structure of the other 1st storage chamber 37 is abbreviate | omitted. . Moreover, the shape of the 1st counterpart side contact 31 accommodated in the 1st storage chamber 37 is comprised similarly. For this reason, the following description demonstrates the 1st counterpart side contact 31 of the 1st counterpart side contact 31 comprised similarly, and demonstrates the structure of the other 1st counterpart contact 31. FIG. Omit.

The 1st storage chamber 37 is provided as a cylindrical part extended along the fitting direction D1. The first mating contact 31 is accommodated in the first storage chamber 37. Moreover, the 1st contact insertion hole 37a, the 1st protrusion hole 37b, and the 1st fall prevention part 37c are formed in the 1st storage chamber 37. As shown in FIG.

The insertion hole 37a for 1st contact is provided in order to introduce the 1st contact 11 of the electrical connector 9 into the 1st storage chamber 37. As shown in FIG. The insertion hole 37a for the first contact is formed at an end (tip) of the first accommodation chamber 37 on the fitting direction D1 side, and is formed between the inside and the outside of the first storage chamber 37. Communicating. A chamfer is formed in the periphery of the 1st contact insertion hole 37a at the fitting direction D1 side, and it is easy to introduce the 1st contact 11 into the 1st contact insertion hole 37a.

The 1st protrusion hole 37b is provided in order to protrude the 1st fall prevention protrusion 31d mentioned later of the 1st counterpart contact 31 from the 1st storage chamber 37. As shown in FIG. The first protruding hole 37b is spaced apart from the drawing contact hole 37a in the drawing direction D2 and is opened in one side of the height direction Z1 (downward in FIG. 5). have.

The 1st fall prevention part 37c is a small piece part for preventing the 1st counterpart contact 31 from coming off from the 1st storage chamber 37, and is arrange | positioned adjacent to the 1st protrusion hole 37b. It is. In this embodiment, the 1st fall prevention part 37c is arrange | positioned at the fitting recessed part 36. As shown in FIG.

The fitting recess 36 is formed between the first container 34 and the second container 35. The fitting recess 36 is configured to fit with the middle wall 19 of the electrical connector 9. The fitting concave portion 36 forms a space elongated in the width direction X1. When the mating connector 29 is coupled to the electrical connector 9, the fitting recess 36 and the middle wall 19 are configured to fit. Thereby, the fitting recessed part 36 functions as a guide part at the time of fitting the mating side housing 30 to the housing 10 of the electrical connector 9. As shown in FIG.

The second container 35 is provided as an accommodating member for accommodating a plurality of second counterpart side contacts 32. The second container 35 is formed in a flat plate shape that extends thin and long in the width direction X1. The plurality of second storage chambers 38 are formed in the second container 35. The 2nd accommodating chamber 38 is provided in the same number as the number of the 2nd contacts 12 of the electrical connector 9. As shown in FIG. The 2nd accommodating chamber 38 is arrange | positioned at the same arrangement pitch as the arrangement pitch of the 2nd contact 12 along the width direction X1. Each 2nd accommodating chamber 38 has penetrated the 2nd container 35 in the depth direction Y1, respectively.

The shape of each 2nd accommodating chamber 38 is comprised similarly. For this reason, in the following description, the 2nd accommodating chamber 38 of the 2nd accommodating chamber 38 comprised similarly is demonstrated, and the description about the structure of another 2nd accommodating chamber 38 is abbreviate | omitted. . Moreover, the shape of the 2nd counter side contact 32 accommodated in the 2nd storage chamber 38 is comprised similarly. For this reason, in the following description, the 2nd counterpart contact 32 of the 2nd counterpart contact 32 comprised similarly is demonstrated, and the description about the structure of the other 2nd counterpart contact 32 is described. Omit.

The 2nd storage chamber 38 is provided as a cylindrical part extended along the fitting direction D1. The second mating contact 32 is accommodated in the second storage chamber 38. Moreover, the 2nd contact insertion slit 38a and the 2nd fall prevention part 38b are formed in the 2nd storage chamber 38. As shown in FIG.

As shown to FIG. 5 and FIG. 6B, the 2nd contact insertion slit 38a is provided in order to introduce the 2nd contact 12 of the electrical connector 9 into the 2nd storage chamber 38. As shown to FIG. . The second contact insertion slit 38a extends from the distal end of the fitting direction D1 in the second storage chamber 38 toward the proximal end side (along the drawing direction D2). The second contact insertion slit 38a opens the second storage chamber 38 in one side (lower side in FIG. 5) in the height direction Z1, and between the inside and the outside of the second storage chamber 38. Is communicating. The 2nd fall prevention part 38b is arrange | positioned with respect to the 2nd contact insertion slit 38a at the position of the drawing direction D2 side.

The 2nd fall prevention part 38b is a small piece part provided in order to prevent the 2nd partner side contact 32 from falling out from the 2nd storage chamber 38, and is arrange | positioned adjacent to the 2nd contact insertion slit 38a. have.

Referring to FIGS. 5 and 6A, as described above, the first counterpart contact 31 is disposed in the first storage chamber 37. The first counterpart contact 31 is provided for electrically connecting the wire of the first covered wire 3 and the first contact 11 to each other. The first covering wire 3 has a structure in which an electric wire such as a copper wire is covered with a covering made of an insulating material, and the wire is exposed from one end of the covering. The first counterpart contact 31 is a conductive member formed using the same material as the first contact 11.

The 1st counterpart side contact 31 contains the 1st counterpart side connection part 31a, the 1st contact part 31b, the 2nd contact part 31c, and the 1st fall prevention protrusion 31d. The 1st partner side connection part 31a is provided in order to electrically connect with the said 1st contact 11 by contacting the 1st contact 11. As shown in FIG.

The 1st partner side connection part 31a is arrange | positioned in the 1st storage chamber 37 near the fitting direction D1 side. The 1st mating side connection part 31a extends along the fitting direction D1, and has a pair of elastic piece part which faces the width direction X1. 5, only one elastic piece part of a pair of elastic piece parts is shown. The pair of elastic pieces of the first mating side connection portion 31a is configured to elastically press (contact) the first contact 11 inserted between the pair of elastic pieces. The base end (end part of the drawing direction D2 side) of the 1st mating side connection part 31a is supported by the 1st contact part 31b.

The 1st press contact part 31b is provided in order to couple to the one end part of the electric wire of the 1st covering wire 3. The 1st press-contact part 31b has a pair of single piece lined up in the width direction X1 (FIG. 5 shows only one single part of a pair of piece part), and these pair of single piece parts are bend | folded. As a result, the pair of single portions sandwiches the electric wire of the first covered wire 3, and the fixing of the electric wire by the first press-contacting portion 31b is achieved. The 2nd press contact part 31c is arrange | positioned with respect to the 1st press contact part 31b in the drawing direction D2 side.

The 2nd press contact part 31c is provided in order to couple to the one end part of the coating | cover of the 1st covering wire 3. As shown in FIG. The 2nd press-contact part 31c has a pair of single piece lined up in the width direction X1 (FIG. 5 shows only one single part of a pair of piece part), and these pair of single piece parts are bend | folded. As a result, a pair of single portions sandwich the covering of the first covering wire 3, and the fixing of the first covering wire 3 by the second press-contacting portion 31c is achieved.

31 d of 1st fall prevention protrusions are arrange | positioned between the 1st counterpart side connection part 31a and the 1st contact part 31b. 31 d of 1st fall prevention protrusions have a pair of piece parts lined up in the width direction X1 (FIG. 5 shows only one piece part of a pair of piece parts), and these pair of pieces are bent-processed. . 31 d of 1st fall prevention protrusions protrude from the 1st protrusion hole 37b of the 1st storage chamber 37, and are engaged with the 1st fall prevention part 37c. For this reason, when a force in the drawing direction D2 acts on the first mating side contact 31 with respect to the mating side housing 30, the first anti-separation protrusion 31d causes the first anti-separation part 37c. Is received, the displacement of the first counterpart contact 31 is regulated.

As described above, the second counterpart contact 32 is disposed in the second storage chamber 38. The second counterpart contact 32 is configured in the same shape as the first counterpart contact 31. Thereby, the same component can be used as the 1st counterpart contact 31 or the 2nd counterpart contact 32, and the manufacturing cost of the electrical connection device 1 can be reduced by improving the versatility of the said part. have.

The second mating-side contact 32 includes a second mating-side connecting portion 32a, a third press-contacting portion 32b, a fourth press-contacting portion 32c, and a second release preventing protrusion 32d. The second counterpart connection portion 32a is provided to electrically connect with the second contact 12 by contacting the second contact 12. The second mating-side connecting portion 32a is disposed near the fitting direction D1 side in the second storage chamber 38. The second mating-side connecting portion 32a extends along the fitting direction D1 and has a pair of elastic piece portions facing the width direction X1. 5, only one elastic piece part of a pair of elastic piece parts is shown. Between the pair of elastic pieces of the second mating-side connecting portion 32a, the second contact 12 inserted between the pair of elastic pieces is elastically pressed (contacted). The base end (end part of the drawing direction D2 side) of the 2nd partner side connection part 32a is supported by the 3rd press contact part 32b.

The 3rd press contact part 32b is provided in order to couple to the one end part of the electric wire of the 2nd covering wire 4. The second covering wire 4 has a structure in which an electric wire such as a copper wire is covered with a covering made of an insulating material, and the wire is exposed from one end of the covering. The 3rd press-contact part 32b has a pair of single piece lined up in the width direction X1 (FIG. 5 shows only one single part of a pair of piece part), and these pair of single piece parts are bend | folded. Thereby, a pair of single part pinched the electric wire of the 2nd covering wire 4, and the fixing of the electric wire by the 3rd press contact part 32b is achieved. The fourth press contact portion 32c is disposed on the drawing direction D2 side with respect to the third press contact portion 32b.

The 4th press contact part 32c is provided in order to couple to the one end part of the coating | cover of the 2nd covering wire 4. The 4th press-contact part 32c has a pair of single piece lined up in the width direction X1 (FIG. 5 shows only one piece part of a pair of piece part), and these pair of single piece parts are bend | folded. As a result, the pair of pieces sandwiches the second covering wire 4, and the fixing of the second covering wire 4 by the fourth press-contacting portion 32c is achieved.

The 2nd fall prevention protrusion 32d is arrange | positioned between the 2nd partner side connection part 32a and the 3rd contact part 32b. The 2nd fall prevention protrusion 32d has a pair of piece parts lined up in the width direction X1 (FIG. 5 shows only one piece part of a pair of piece parts), and these pair of pieces are bend-processed. . The 2nd fall prevention protrusion 32d protrudes from the 2nd contact insertion slit 38a of the 2nd storage chamber 38, and is engaged with the 2nd fall prevention part 38b. For this reason, when a force in the drawing direction D2 is applied to the second mating contact 32 against the mating housing 30, the second anti-separation protrusion 32d causes the second anti-separation part 38b to work. ), The displacement of the second counterpart contact 32 is regulated.

The mating connector 29 includes a plug 39. The plug 39 is a part of the first storage chamber 37 near the fitting direction D1, the first mating side connecting portion 31a of the first mating side contact 31, and the fitting recess 36. And a part near the fitting direction D1, a part near the fitting direction D1 of the second storage chamber 38, and a second mating side connecting portion 32a of the second mating side contact 32. Doing. The plug 39 is provided as a fitting element to be fitted to the fitting space 13 of the electrical connector 9 among the mating connectors 29.

1 and 5, the electrical connection device 1 includes a lock mechanism 40. The lock mechanism 40 is provided in order to lock the mating connector 29 to the electrical connector 9 so as to be detachable. The lock mechanism 40 includes a lock plate 33 provided in the mating side housing 30, and a locking protrusion 22 provided in the housing 10.

The lock plate 33 is formed integrally with the mating housing 30 and is provided as a movable member capable of swinging displacement with respect to the mating housing 30. The lock plate 33 is connected to a strut 41 disposed on one side of the first container 34 of the mating housing 30. The lock plate 33 extends wide in the width direction X1 and is formed in a rectangular plate shape extending from the support column 41 in the fitting direction D1. The lock claw part 42 is provided in the front end of the locking board 33 at the fitting direction D1 side. The lock claw part 42 is a small piece part which protrudes from the lock plate 33 to the housing 10 side along the height direction Z1.

The locking projection 22 is configured to restrict the displacement of the mating housing 30 toward the drawing direction D2 side by engaging the lock claw portion 42. The locking projection 22 is disposed at an end of the housing 10 upper wall 15 on the outer side of the drawing direction D2. One or two (4 in this embodiment) lock protrusions 22 are provided, and extend along the width direction X1. The surface of the locking projection 22 has an inclined portion away from the upper wall 15 as it travels along the fitting direction D1. The lock claw part 42 is comprised so that it may exceed this surface.

In addition, the electrical connection device 1 further includes a mechanism for guiding the displacement operation of the housing 30 on the mating side with respect to the housing 10. Specifically, a pair of guide protrusions 43 and 44 are provided on one side of the first container 34 among the opposing side housing 30, and the inner side of the upper wall 15 of the housing 10 is provided. A pair of guide recesses 23 and 24 are provided in the chamber. The guide convex parts 43 and 44 are convex jaw parts extended linearly along the fitting direction D1, and are provided in pair so that the lock plate 33 may be fitted in the width direction X1. The guide concave portions 23 and 24 are concave portions extending linearly along the fitting direction D1, and can be fitted to the corresponding guide convex portions 43 and 44.

Next, the attaching / detaching operation between the electrical connector 9 and the mating connector 29 in the electrical connection device 1 will be described. As shown in FIG. 1, when the mating connector 29 is coupled to the electrical connector 9 mounted on the circuit board 2, first, the mating connector 29 faces the electrical connector 9. do. Next, the mating connector 29 is displaced to the electrical connector 9 side along the fitting direction D1. Thereby, the pair of guide convex parts 43 and 44 of the mating side housing 30 are fitted to the pair of guide concave parts 23 and 24, and as shown in FIG. The fitting recess 36 of the plug 39 of the housing 30 fits with the middle wall 19 of the housing 10. In addition, the first receptor 34 and the second receptor 35 of the plug 39 are fitted in the fitting space 13.

Thereby, the 1st connection part 11b of the 1st contact 11 enters the 1st storage chamber 37 through the 1st contact insertion hole 37a, and the 1st contact side 31 of the 1st contact side 31 is made into, 1 It contacts while fitting in the partner side connection part 31a. Moreover, the 2nd connection part 12g of the 2nd contact 12 passes through the 2nd contact insertion slit 38a, and enters the 2nd storage chamber 38, and the 2nd partner of the 2nd counterpart side contact 32 is carried out. It contacts while fitting in the side connection part 32a.

At this time, the lock plate 33 swings with respect to the support housing 41 as a point, and the lock claw portion 42 rides over the lock projection 22. Thereafter, the lock claw portion 42 is engaged with the locking protrusion 22 on the fitting direction D1 side with respect to the locking protrusion 22, thereby preventing the other side housing 30 from being pulled out.

On the other hand, when removing the mating connector 29 from the electrical connector 9, the lock plate 33 is pressed with a finger or the like. As a result, the lock plate 33 is swung with the support 41 as a point, and the lock claw portion 42 is lifted up. As a result, the engagement between the lock claw portion 42 and the locking protrusion 22 is released. In this state, the mating side housing 30 is pulled in the drawing direction D2 with respect to the housing 10. Thereby, the plug 39 is pulled out from the housing 10 to the drawing direction D2 side.

At this time, the first counterpart contact 31 is drawn out from the first contact insertion hole 37a, and the second counterpart contact 32 is drawn out from the second contact insertion slit 38a. As a result, the first counterpart contact 31 and the second counterpart contact 32 are released from the first contact 11 and the second contact 12, respectively. At this time, the fitting between the fitting recess 36 and the middle wall 19 of the mating housing is released. As described above, when the mating connector 29 is drawn out from the electrical connector 9, as shown in FIG. 1, the engagement of these connectors 9 and 29 is released.

Referring again to FIG. 5, when the mating connector 29 is coupled to the electrical connector 9, a force along the fitting direction D1 is applied from the mating connector 29 to the electrical connector 9. This force is transmitted to the plurality of first contacts 11 of the electrical connector 9 and is received by the first substrate side mounting portion 11e of these first contacts 11.

On the other hand, when the mating connector 29 is drawn out from the electrical connector 9, a force along the drawing direction D2 is applied from the mating connector 29 to the electric connector 9. This force is transmitted to the second contact 12 and is received by the second substrate side mounting portion 12d of the second contact 12. In other words, the contacts 11 and 12 held in the housing 10 are both applied when the force in the fitting direction D1 acts on the electrical connector 9 and when the force in the drawing direction D2 acts. The housing 10 can be reliably supported by this.

As described above, according to the electrical connector 9 of the present embodiment, in the fitting space 13, the distance of the first contact 11 from the circuit board 2 is the second from the circuit board 2. It is longer than the distance of the contact 12. Moreover, the 1st contact 11 is arrange | positioned at the upper end side in the fitting space 13. As the first contact 11 is formed in a linear or axial form, it is likely to bend. For this reason, the 1st contact 11 can be bent by the contact with the plug 39 at the time of contact with the plug 39, and can be aligned with respect to the plug 39. FIG. For this reason, the 1st contact 11 can be electrically contacted with the 1st contact 11 of the plug 39, and can be electrically connected. As a result, during the manufacture of the electrical connector 9, when assembling the first contact 11 to the housing 10, there is no need to strictly position the first contact 11 with respect to the housing 10. . Therefore, the speed (efficiency) of the mounting | working of the 1st contact 11 to the housing 10 can be made high. Thereby, the assembly number of the electrical connector 9 per unit time can be increased. Therefore, the manufacturing cost of the electrical connector 9 can be reduced.

In addition, the linear first contact 11 can be produced at low cost by a wire rod or the like even without expensive press molding. Therefore, manufacturing cost can be reduced further. Moreover, the fitting direction D1 of the 1st board | substrate side mounting part 11e of the 1st contact 11, and the 2nd board | substrate side mounting part 12d of the 2nd contact 12 with respect to the fitting space 13 is carried out. It is arrange | positioned at both the upstream side and the downstream side of. As a result, the circuit board 2 can support the housing 10 from both sides of the fitting direction D1 via the first contact 11 and the second contact 12. Therefore, the bonding strength between the electrical connector 9 and the circuit board 2 can be increased. For example, a force parallel to the fitting direction D1 may act on the housing 10 as a force that causes the housing 10 to fall against the circuit board 2. At this time, it is possible to more reliably suppress the housing 10 from falling down on the circuit board 2 by the cooperation of the first contact 11 and the second contact 12.

In addition, there is no need to separately provide a member (a reinforcing bracket or the like) for preventing the fall of the housing 10. Therefore, the manufacturing cost of the electrical connector 9 can be further reduced by reducing the number of parts. Therefore, it is possible to reliably suppress the displacement of the housing 10 with respect to the circuit board, and to provide the electrical connector 9 with low manufacturing cost.

In the electrical connector 9, since the first contact 11 is formed based on the wire rod, the manufacturing cost can be reduced. In addition, since the wire can be made thin, the first contact 11 can be made shorter in the direction parallel to the fitting direction D1. Thereby, the length which the 1st contact 11 and the housing 10 occupy for the whole fitting direction D1 can be shortened. Thus, miniaturization of the electrical connector 9 can be achieved.

In the electrical connector 9, the second substrate side mounting portion 12d of the second contact 12 and the first substrate side mounting portion 11e of the first contact 11 are fitted in the fitting direction D1. Are spaced apart from each other. Thereby, the 2nd board | substrate side mounting part 12d does not interfere with the arrangement | positioning of the 1st board | substrate side mounting part 11e. Therefore, the 1st board | substrate side mounting part 11e can be arrange | positioned closer to the housing 10. FIG. Therefore, 11 d of 1st intermediate | middle parts can also be arrange | positioned in the vicinity of the housing | casing 10. FIG. By arranging the first intermediate portion 11d and the first substrate side mounting portion 11e in the vicinity of the housing 10, the electrical connector 9 by cooperation of the first and second substrate side mounting portions 11e and 12d. The other effect that the electrical connector 9 can be miniaturized with respect to the fitting direction D1 can be raised while exhibiting the fall prevention effect of ().

In the electrical connector 9, the second contact 12 is formed by pressing a metal material. As described above, since the second contact 12 formed by the press working can increase the cross-sectional secondary moment, the second contact 12 has a higher rigidity than the first contact 11 and a high bond strength with the circuit board 2. Can be. Further, the second contact 12 is small because the height from the circuit board 2 is low. Therefore, even if the position of the second contact 12 with respect to the housing 10 is slightly shifted from the normal position, the second contact 12 prevents the insertion of the plug 39 into the housing 10. can do. Therefore, at the time of assembling the electrical connector 9, the trouble (time) of precisely positioning the second contact 12 with respect to the housing 10 is unnecessary. Therefore, the second contact 12 can be assembled to the housing at high speed. As a result, the manufacturing efficiency of the electrical connector 9 can be further reduced by increasing the manufacturing efficiency of the electrical connector 9.

In addition, according to the electrical connector 9, the second contact 12 is inserted into the slit 14a of the housing 10 along the fitting direction D1 and passed therethrough, thereby allowing the second contact 12 to pass through the housing 10. Can be guided toward the second fixing portion 18b. As a result, the second housing side fixing portion 12c of the second contact 12 is fixed at the correct position to the housing 10 while omitting the correct positioning operation with respect to the housing 10. As a result, compared with the linear 1st contact 11, the plate-shaped 2nd contact 12 which is hard to raise the fixed speed to the housing 10 can also be fastened to a housing at high speed.

Moreover, according to the electrical connector 9, the 1st contact 11 and the 2nd contact 12 with respect to the housing 10 are both sides (drawing direction D2) side and the fitting direction D1 of the depth direction Y1. Side) is configured to be assembled to the housing 10. For this reason, with respect to the housing 10 of generally small shape (for example, the width direction X1 length is about 20 mm), the apparatus which assembles the 1st contact 11 and the 2nd contact 12 are The assembling apparatus can be arranged without interfering with each other. As a result, the first contact 11 and the second contact 12 can be simultaneously assembled to the housing 10 on both sides of the depth direction Y1, and as a result, the assembly speed of the electrical connector 9 is made higher. can do.

As mentioned above, although embodiment of this invention was described, this invention is not limited to embodiment mentioned above, A various change is possible as long as it described in a claim. For example, you may change and implement as follows.

(1) Although the above-mentioned embodiment demonstrated the structure which provides two or more 1st contact and 2nd contact, respectively, It is not limited to this. Only one 1st contact and 2nd contact may be provided, respectively.

(2) Moreover, in the above-mentioned embodiment, the form in which the position of at least one part of the 1st intermediate part of a 1st housing overlaps with the position of a housing was demonstrated from the width direction orthogonal to the fitting direction, for example. It is not limited to. By providing a portion extending linearly from the first housing side fixing portion of the first contact, the position of the first intermediate portion of the first housing may be a downstream side of the fitting direction with respect to the position of the housing, as viewed from the width direction. .

(3) In the above-mentioned embodiment, although the form in which the 2nd contact is formed by press-processing a metal material was demonstrated to the example, it is not limited to this. For example, the 2nd contact may be formed using what isolate | separated a part of wire rod similarly to a 1st contact.

(4) In the above-mentioned embodiment, although the 1st intermediate part of the 1st contact demonstrated the form arrange | positioned on the outer side of the miswall of a housing as an example, it is not limited to this. For example, a groove continuous to the first fixing part of the housing may be formed on the outer surface of the rear wall of the housing, and a part of the first intermediate portion may be accommodated in the groove. Thereby, since at least one part of a 1st intermediate part can be accommodated in the erroneous wall of a housing, the length which an electrical connector occupies in the direction parallel to a fitting direction can be shortened.

(5) In the above embodiment, the form of the surface mount technology (SMT) type electrical connector in which the first contact and the second contact are disposed on the mounting surface of the circuit board has been described as an example, but the present invention is not limited thereto. Do not. The present invention can also be applied to an insertion-mount type electrical connector such as a dual inline package (DIP) connector in which the first contact and the second contact are inserted into a through hole of a circuit board.

(6) In the above-described embodiment, the embodiment in which the electrical connecting device is a board-to-wire type connecting device for electrically connecting the circuit board and the electric wire has been described as an example, but the present invention is not limited thereto. The present invention can also be applied to a board-to-board type electrical connection device for electrically connecting circuit boards.

(7) In the above-mentioned embodiment, although the form of the electrical connector in which the contact was arrange | positioned in two stages in the height direction was demonstrated to the example, it is not limited to this. The present invention can be applied to an electrical connector in which the contacts are arranged in three or more stages in the height direction. In this case, at least the bottommost contact is constituted as the second contact of the present invention, and is mounted on the circuit board upstream of the fitting direction with respect to the housing. Further, the topmost contact is configured as the first contact of the present invention and is mounted on the circuit board on the downstream side in the fitting direction with respect to the housing.

(8) The shapes of the housing, the first contact, the second contact, and the plug are not limited to the shapes exemplified in the above-described embodiments, but may be variously changed.

The present invention can be widely applied as an electrical connector disposed on a mounting surface of a circuit board and to which a plug of a mating connector is fitted along a predetermined fitting direction parallel to the mounting surface.

2 circuit board 2a mounting surface
9 Electrical Connectors 10 Housings
11 First contact 11b First connection
11c first housing side fixing part 11d first intermediate part
11e 1st board side mounting part 12 2nd contact
12c 2nd housing side fixing part 12d 2nd board | substrate side mounting part
12g 2nd connection 13 Fitting space
14a slit 18b Second fixing part (fixing part for second contact)
29 mating connector 39 plug
D1 Fitting direction Z1 Height direction

Claims (5)

An electrical connector disposed on a mounting surface of a circuit board, to which a plug of a mating connector is fitted along a predetermined fitting direction parallel to the mounting surface.
A housing defining a fitting space into which the plug is fitted;
A linear or axial first contact held in the housing;
A second contact held in the housing,
The first contact includes a first housing side fixing portion fixed to the housing, a first connecting portion disposed in the fitting space and electrically connected to the mating connector, and the fitting direction side with respect to the first connecting portion. A first substrate side mounting portion disposed on the circuit board and mounted on the circuit board,
The second contact is disposed on the mounting surface side with respect to the first connection portion in the height direction perpendicular to the second housing side fixing portion fixed to the housing and the mounting surface, and electrically connected to the mating connector. And a second substrate side mounting portion which is connectable to the second connection portion, and a second substrate side mounting portion which is arranged on the side opposite to the fitting direction with respect to the second connection portion and is mountable on the circuit board. The method according to claim 1,
And the first contact is formed using a part of the wire rod having a uniform cross section. The method according to claim 1 or 2,
The first contact has a first intermediate portion disposed between the first connection portion and the first substrate side mounting portion,
The first intermediate portion has a shape in which a portion is bent, the position in the height direction is changed from the first connection portion side toward the first substrate side mounting portion side, and the width of the housing perpendicular to the fitting direction Viewed from the direction, the position of at least one part of the said 1st intermediate part overlaps with the position of the said housing, The electrical connector characterized by the above-mentioned. The method according to claim 1 or 2,
And said second contact is formed by pressing a metal material. The method according to claim 1 or 2,
The housing is opened at an end opposite to the fitting direction so that a portion of the second contact is inserted through the fitting direction and passed through the housing, and is disposed at the fitting direction with respect to the slit. 2) An electrical connector comprising a fixing portion for a second contact for fixing the housing side fixing portion.

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