JP5404957B1 - Connector and portable terminal equipped with connector - Google Patents

Abstract

When a contact is narrowed, even if the plug connector is inserted into the receptacle groove of the receptacle insulator while being inclined from the normal posture or removed from the fitted state in an oblique direction, the bent portion of one contact Connector that can improve contact reliability while preventing deformation and breakage of the contact by suppressing a large tilt with respect to the other contact having a pair of contact projections while bending I will provide a.
The width of the contact portion 44 of one contact 4 is W1, the width of the central contact portion 45 is W2, the width of the portion where the contact projections 68 and 69 of the other contact 6 are located is W3, and a pair of contact protrusions. W2 ≧ W4 Expression (1), W3 ≧ W1 Expression (2), W2 <W1 Expression where W4 is the distance in the width direction of the contact convex portion between the peaks of the portion. A connector characterized in that (3) is established.
[Selection] Figure 9

Description

The present invention relates to a connector including a receptacle connector and a plug connector, and a portable terminal including the connector.

As a prior art of a connector that includes a plug connector and a receptacle connector and makes the both conductive by inserting the plug connector into an insertion groove provided in the receptacle connector, there is one disclosed in Patent Document 1, for example (see FIG. 15). ).
The plug connector of Patent Document 1 has a plug insulator and a plurality of plug contacts supported by the plug insulator. On the other hand, the receptacle connector includes a receptacle insulator having the insertion groove, and a plurality of receptacle contacts supported by the receptacle insulator that come into contact with each plug contact when the plug connector is inserted into the insertion groove. Yes.
The receptacle contact includes a non-deformable fixing portion supported by the receptacle insulator and an elastically deformable bending portion extending from the fixing portion. Both the fixing portion and the bending portion extend in the linear direction (the insertion / removal direction with respect to the plug connector insertion groove), and when the bending portion is in a free state, the fixing portion and the bending portion are substantially parallel to each other. Further, the bent portion is formed with a contact portion that comes into contact with the plug contact when the plug connector is inserted into the insertion groove of the receptacle insulator. On the other hand, the plug contact is provided with a pair of contact protrusions that extend in a straight line (in the insertion / removal direction with respect to the plug connector insertion groove) while protruding toward the contact portion, and that form a recess therebetween.
The cross-sectional shape of the contact protrusion in the width direction is a shape that gradually reduces the protrusion amount toward the contact portion as it goes from the peak position of the protrusion amount to the contact portion side to both ends of the contact protrusion in the width direction (substantially semicircular shape) ).
On the other hand, the cross-sectional shape of the contact portion of the receptacle contact is a rectangular shape. That is, the cross-sectional shape in the width direction of the surface of the contact portion (contact surface with the plug contact) is a linear shape extending in the width direction.

  By inserting the plug connector into the receptacle groove of the receptacle insulator, when the peak position of the pair of contact projections of the plug contact comes into contact with the contact part of the receptacle contact, a concentrated load is applied between the peak position and the contact part. Will occur. Therefore, when the plug connector is inserted into the insertion groove of the receptacle insulator, the contact convex portion (peak position) is slidably contacted with the contact portion, so that the contact convex portion (peak position) has adhered to the contact portion. Foreign matter (dust, dust, etc.) is removed. Accordingly, the contact convex portion (peak position) comes into contact with the contact portion from which the foreign matter has been removed, so that the receptacle contact and the plug contact can be reliably electrically connected.

Japanese Patent No. 3860823

In recent years, the connector of the above type tends to have multi-contact contacts while the entire connector is downsized. Therefore, the interval between adjacent plug contacts and the interval (pitch) between receptacle contacts are narrow, and the plug contact and the receptacle contact are further narrowed.
When the plug connector is inserted into and removed from the insertion position of the receptacle insulator from the normal position to the intermediate position before the fully-fitted position with a slight inclination from the normal position, the contact convex part of the plug contact is against the contact part of the receptacle contact. And contact in an inclined state (non-parallel state). Then, when the receptacle connector (contact part) is narrow, one end part in the width direction of the contact part falls into the concave part formed between the pair of contact convex parts, and the plug is bent while the flexible part is bent. The contact is greatly inclined (inclination angle β) (see FIG. 15).

If one end in the width direction of the contact part falls into the recess formed in the pair of contact protrusions in this way, the amount of bending of the bending part (inclination angle β with respect to the plug contact) increases.・ A large load is applied to the connecting part between the fixed part and the bending part during removal, and this connecting part may be damaged or deformed.
Further, when the plug connector is completely inserted to the predetermined insertion position with respect to the insertion groove of the receptacle insulator after being inserted to the intermediate position, the bent portion which has been largely inclined with respect to the plug contact until then is plugged. It will contact the contact convex portion in a state parallel to the contact convex portion of the contact. However, at this time, the bent portion is greatly deformed, and at this time, a large load is applied to the connecting portion between the fixed portion and the bent portion, and this connected portion may be damaged or deformed.

  The object of the present invention is to insert one plug connector into the receptacle groove of the receptacle insulator while tilting it from the normal position when the contact is narrowed or removing it from the mating state in an oblique direction. A connector and a connector capable of improving contact reliability while preventing deformation and breakage of the contact by suppressing a large inclination with respect to the other contact having the pair of contact projections while the bending portion of the contact is bent Is to provide a portable terminal.

The connector of the present invention has a plug connector having a plug insulator and a plug contact supported by the plug insulator, and an insertion groove that can be inserted and removed by moving the plug connector in a linear insertion / removal direction. A receptacle connector having a receptacle insulator and a receptacle contact supported by the receptacle insulator that comes into contact with the plug contact when the plug connector is inserted into the insertion groove. One of the receptacle contacts includes a contact portion that comes into contact with the other contact when the plug connector is inserted into the insertion groove, and the other contact projects along the insertion / removal direction while protruding toward the contact portion. The insertion groove A plurality of contact projections that come into contact with the contact portion when the plug connector is inserted, and recesses formed between the adjacent contact projections, and the cross-sectional shape of the contact projection in the width direction is It is a shape that reduces the amount of protrusion to the contact portion side as it goes from the peak position of the protrusion amount to the contact portion side to both ends in the width direction of the contact convex portion, and the contact portion is a portion excluding both end portions in the width direction And a pair of ends that extend from the center contact portion side toward the end portion in the width direction of the contact portion toward the side opposite to the contact convex portion. The width of the contact portion is W1, the width of the central contact portion is W2, the width of the portion where the contact convex portion of the other contact is located is W3, and the contact between a pair of the peaks the distance in the width direction of the convex portion W4, a pair of the convex contact The distance of the width direction of the end portion to each other opposite the opposite ends is taken as W5, of the following formula (1) (2) (3) (4) is characterized by the establishment.
W2 ≧ W4 Formula (1)
W3 ≧ W1 Formula (2)
W2 <W1 Formula (3)
W2 <W5 Formula (4)

  When the distance in the width direction between the opposite ends of the pair of contact protrusions is W5, W3> W5 Expression (5) may be satisfied.

  When the distance in the width direction between the opposite ends of the pair of contact protrusions is W5, W3 = W5 (6) may be established.

  A portable terminal according to the present invention includes the connector.

  In the connector of the present invention, when the plug connector is inserted into the insertion groove of the receptacle insulator, the contact convex portion (peak position) of the other contact is in sliding contact with the central contact portion of the contact portion of one contact. The minute foreign matter adhering to the contact portion (center contact portion) is removed by the contact convex portion (peak position). Accordingly, the contact convex portion (peak position) comes into contact with the contact portion (central contact portion) from which the foreign matter has been removed, so that the receptacle contact and the plug contact can be reliably electrically connected. .

  Furthermore, since the formula (1) is satisfied, when the plug connector is inserted into the receptacle groove of the receptacle insulator in a normal posture, the contact convex portion (peak position) is surely brought into contact with the central contact portion of the contact portion. It is possible to make it.

Also, since Formula (2) is satisfied (because one of the contacts is narrowed), the plug connector is tilted slightly from the normal position in the receptacle groove of the receptacle insulator (a little) before the fully mated position. When it is inserted to the middle position of (or pulled out from the complete fitting position in an oblique direction), the contact convex part of the other contact is in contact with the contact part of one contact in an inclined state (non-parallel state). Become. Then, (when viewed in the extending direction of the contact convex portion), one contact is bent while being inclined with respect to the other contact (contact convex portion), and one end portion in the width direction of the contact portion is a pair of contact convex portions. May fall into the recesses formed between the parts.
However, since Formula (3) is satisfied (since a pair of end portions can be formed on one contact), in this case, one end portion of one contact contacts one contact convex portion. Thus, the amount of bending of one contact (inclination angle with respect to the other contact) can be suppressed.
Therefore, it is possible to reduce the possibility that a large load is applied to one of the contacts and damage or deformation occurs.
Furthermore, since the amount of bending of one contact (inclination angle with respect to the other contact) can be suppressed, the plug connector is completely fitted (completely inserted) into the insertion groove of the receptacle insulator after being obliquely inserted to the intermediate position. Therefore, when one contact is in contact with the other contact in a parallel state (when the contact convex portion (peak position) is in contact with the center contact portion of the contact portion), there is little possibility that a large load is applied to one contact. .
Furthermore, since Formula (4) is satisfied, the width of the end portion can be increased while reducing the width of the contact portion, so that the plug connector is in an irregular posture with respect to the receptacle insulator (insertion groove). The above-described operational effects when connected can be exhibited more significantly.

It is a perspective view of the receptacle connector of one embodiment of the present invention. It is a side view of a receptacle contact. It is a perspective view of a plug connector. It is a perspective view of a plug contact. It is sectional drawing of a connector when a plug connector is fitted to an intermediate position with respect to a receptacle connector. It is sectional drawing of a connector when a plug connector is completely fitted to a receptacle connector. It is sectional drawing which follows the VII-VII arrow line of FIG. It is a figure which shows the positional relationship of a plug contact and a receptacle contact when it fits to an intermediate position, (a) is a figure when a plug connector is inserted in a normal posture, (b) is a non-normal posture. It is a figure when it inserts in. FIG. 8 is a cross-sectional view corresponding to FIG. 7 when the plug connector is inserted to the intermediate position in the non-regular posture with respect to the receptacle connector. It is sectional drawing equivalent to FIG. 7 of the 1st modification of this invention. It is sectional drawing equivalent to FIG. 7 of the 2nd modification of this invention. It is sectional drawing of the plug side contact part of the 3rd modification of this invention. It is sectional drawing of the receptacle side contact part of the 4th modification of this invention. It is sectional drawing of the receptacle side contact part of the 5th modification of this invention. It is sectional drawing equivalent to FIG. 9 of a prior art example.

One embodiment of the present invention will be described below. In the following description, front and rear, left and right, and up and down directions are based on arrows in the drawings.
The connector 10 of the present embodiment includes a receptacle connector 1 (FIG. 1) and a plug connector 2 (FIG. 3) that are coupled and electrically connected to each other. For example, one of the receptacle connector 1 and the plug connector 2 is mounted on the LCD (liquid crystal display) (display device) unit or CCD (charge coupled device) (imaging device) unit side, and the other is connected to these units to operate. The unit is mounted on the substrate to be controlled, and the receptacle connector 1 and the plug connector 2 are coupled to electrically connect the unit and the substrate. Further, the plug connector 2 and the receptacle connector 1 according to the present embodiment are used for connection in a mobile terminal (for example, a PDA (Personal Digital Assistant) including a mobile phone or a tablet computer), or for connection between the mobile terminal and an external device. Can be applied. In addition to the LCD unit, the receptacle connector 1 and the plug connector 2 can be applied to a CRT (Cathode Ray Tube) display unit, a plasma display unit, and an organic electroluminescent element display unit as a display device. In addition to the CCD unit, the receptacle connector 1 and the plug connector 2 can be applied to a CMOS (Complementary Metal Oxide Semiconductor) unit as an imaging device.

A receptacle connector 1 shown in FIG. 1 is made of a synthetic resin injection molded product that is an insulating member, and includes a receptacle insulator 3 provided with an insertion groove 31 into which the plug connector 2 is inserted and removed, and both sides of the insertion groove 31. And a plurality of receptacle contacts 4 respectively.

  The receptacle contact 4 shown in FIG. 2 is made of a band-shaped metal material formed by stamping molding. The receptacle contact 4 has a substantially L-shaped holding portion 41 fixed to the front and rear walls of the receptacle insulator 3 and an inverted S-shape extending from an inner portion of the holding portion 41 (a portion located on the upper surface of the wall of the receptacle insulator 3). And the terminal part 43 which protrudes from the lower end of the outer side part (part exposed in the outer side surface of the receptacle insulator 3) of the holding | maintenance part 41 are provided integrally continuously. A portion (outer portion) extending in the vertical direction of the holding portion 41 constitutes a fixing portion 41a. Further, a locking projection 41b is projected from the upper end of the portion of the flexure 42 that hangs down from the holding portion 41. The terminal portion 43 is fixed to the conductive pattern of the circuit board by soldering, for example.

  The receptacle contact 4 is produced by applying a base plating (for example, nickel plating) to a base material (for example, phosphor bronze, beryllium copper, corson copper, titanium copper), and then performing finish plating (for example, gold plating). The thickness of the receptacle contact 4 is set to 0. When the connector 10 has a pitch of 0.3 to 0.5 mm, for example, from the viewpoint of spring design and workability, considering the reduction in size and height of the connector 10. It is preferable that it is 05-0.15 mm. In this case, the base plating is preferably 0.5 μm to 4 μm. This is because if it is less than 0.5 μm, the effect as the base plating cannot be obtained, and if it exceeds 4 μm, cracks are likely to occur due to deformation during sliding contact with the plug connector 2.

  A receptacle-side contact portion 44 (contact portion) that protrudes toward the locking projection 41b is formed at a portion of the bending portion 42 that faces the locking projection 41b in the front-rear direction. Further, as shown in FIG. 7, the receptacle-side contact portion 44 includes a central contact portion 45 that constitutes a portion excluding both end portions (left and right end portions) in the width direction (left and right direction), and both end portions in the width direction. And a pair of end portion constituent portions 46 extending forward from the center contact portion 45 side toward the end portion side in the width direction of the receptacle side contact portion 44. The surfaces of the central contact portion 45 and the end portion configuration portion 46 are both flat. That is, the cross-sectional shape of the surface of the central contact portion 45 is a straight line extending in the width direction (left-right direction) of the receptacle-side contact portion 44, and the cross-sectional shape of the surface of the end component portion 46 is inclined with respect to the central contact portion 45. It is a straight line shape.

  The plug connector 2 shown in FIG. 3 includes a substantially rectangular parallelepiped plug insulator 5 made of a synthetic resin insert-molded product, which is an insulating member, and a longitudinal direction (left-right direction) of the plug insulator 5 made of a band-shaped metal member. A plurality of plug contacts 6 arranged at the same pitch as the receptacle contacts 4 are provided on both sides.

  The plug contact 6 shown in FIG. 4 is made of a band-shaped metal material formed by stamping. The plug contact 6 includes a plug-side contact portion 61 extending in the vertical direction, a terminal portion 62a extending in a substantially horizontal direction from the upper end of the plug-side contact portion 61, and a side view substantially L extending from the lower end of the plug-side contact portion 61. And a character-shaped holding portion 62b. A retaining protrusion 62c is formed in the vicinity of the upper end of the holding part 62b so as to protrude toward the opposite side of the plug-side contact part 61. The distance in the front-rear direction between the surface of the holding portion 62b (the surface on the side opposite to the plug-side contact portion 61) and the surface of the plug-side contact portion 61 (the surface on the side opposite to the holding portion 62b) is as follows. This is shorter than the distance in the front-rear direction between the locking projection 41b and the receptacle-side contact portion 44. The plug-side contact portion 61 is fixed to the inner surfaces of the front and rear walls of the plug insulator 5, and the holding portion 62 b is fixed to the lower surface and the outer surface of the front and rear walls of the plug insulator 5. The terminal portion 62a is fixed to the conductive pattern of the circuit board by soldering, for example.

  The plug contact 6 is produced by applying a base plating (for example, nickel plating) on a base material (for example, phosphor bronze) and then performing a finish plating (for example, gold plating). The plate thickness of the plug contact 6 is 0. From the viewpoint of spring design and workability, for example, when the connector 10 pitch is 0.3 to 0.5 mm, the thickness of the plug contact 6 is 0. It is preferable that it is 05-0.15 mm.

  Further, the plug-side contact portion 61 is connected to the receptacle-side contact portion 44 side (the front-side plug contact 6) on the surface that the receptacle-side contact portion 44 of the receptacle contact 4 comes into sliding contact with when the plug connector 2 is inserted into and removed from the insertion groove 31. Is a projection 66 projecting rearward and rear plug contact 6 forward), and one of the end portions is formed integrally with the projection 66 and extends along the insertion / removal direction of the plug connector 2 and is a receptacle. Two contact convex portions 68 and 69 projecting toward the side contact portion 44 side are integrally provided. Further, a concave portion 63 extending in the vertical direction is formed between the contact convex portion 68 and the contact convex portion 69. As apparent from FIGS. 3 and 7, a plurality of concave groove contact mounting grooves 5a (the same number as the plug contacts 6) extending in the vertical direction are provided on the inner surface of the plug insulator 5, and the concave groove contacts Each plug-side contact portion 61 is fitted and fixed in the mounting groove 5a. The left and right widths of the recessed groove contact mounting groove 5 a and the plug-side contact portion 61 are the same, but the front-rear dimension (depth) of the recessed groove contact mounting groove 5 a is larger than the front-rear width (thickness) of the plug-side contact portion 61. As shown in the figure, the width (left-right dimension) of the protrusion 66 is wider than the width of the contact protrusions 68 and 69. The contact projections 68 and 69 have a semicircular cross section in which the plug connector 2 is perpendicular to the insertion / removal direction of the plug connector 2 with an arc on the receptacle side contact portion 44 side. That is, as shown in FIG. 7, the cross-sectional shapes of the contact protrusions 68 and 69 are such that the peak positions 68a and 69a at which the protrusion amount toward the receptacle-side contact portion 44 is maximized at the center in the width direction (left and right direction). The shape is such that the amount of protrusion toward the receptacle-side contact portion 44 side is gradually reduced from the peak positions 68a and 69a toward both ends of the contact convex portions 68 and 69 in the width direction. Moreover, the front shape of the contact convex parts 68 and 69 is a substantially rectangular shape whose opposing long sides are parallel to each other (extend in the vertical direction). The contact convex portions 68 and 69 are formed by pressing a mold having a concave shape identical to this shape against one surface of the plug-side contact portion 61, thereby crushing a portion where the contact convex portions 68 and 69 are not provided. .

  The height of the contact protrusions 68 and 69 protruding from the plug-side contact portion 61 is preferably set to 0.01 to 0.1 mm, for example, when the pitch of the connectors 10 is 0.3 to 0.5 mm. This is because when the height is less than 0.01 mm, the foreign matter removing effect is reduced by the contact convex portions 68 and 69, and the contact convex portions 68 and 69 exceeding 0.1 mm are pressed against the back surface of the plug-side contact portion 61. This is because the material may not be stretched and cracks and breakage may occur. Further, from the viewpoint of the foreign matter removing function and workability, the height of the contact protrusions 68 and 69 is more preferably 0.02 to 0.05 mm. In order to prevent cracks and breakage during the formation of the contact projections 68, 69, a mold having a concave shape identical to the shape of the contact projections 68, 69 is attached to one surface of the plug-side contact portion 61 (contact projections 68, 69). It is preferable to form the contact protrusions 68 and 69 by pressing on the surface on which 69 is provided.

  A plurality of contact convex portions other than two may be used. In the case where a plurality of contact protrusions are provided, it is preferable that the contact protrusions be provided in parallel in a direction intersecting the insertion / removal direction of the plug connector 2 because the effect of removing foreign matter is enhanced. Further, the contact protrusions 68 and 69 are connected to the receptacle-side contact portion when the plug connector 2 is inserted into and removed from the insertion groove 31 from one end formed integrally with the projection 66 to the other end. It may be inclined so as to be separated from 44 (so as to be inclined with respect to the vertical direction in a side view). The front shape of the contact convex portions 68 and 69 can be a substantially rectangular shape in which the long sides facing each other are parallel to each other, or a substantially triangular shape in which the long sides gradually approach.

The following relations are established in the dimensions of the cross-sectional shapes of the receptacle-side contact portion 44 of the receptacle contact 4, the plug-side contact portion 61 of the plug contact 6, and the contact mounting groove 5 a of the plug insulator 5.
That is,
The width (left-right dimension) of the receptacle-side contact portion 44 is W1,
The width of the center contact portion 45 is W2,
The width of the plug-side contact portion 61 (contact mounting groove 5a) is W3,
The horizontal distance between the peak position 68a and the peak position 69a is W4,
The distance in the width direction (the distance in the left-right direction) between the opposite ends of the contact convex portion 68 and the contact convex portion 69 (the left end of the left contact convex portion 68 and the right end of the right contact convex portion 69). W5,
The following formulas (1), (2), and (3) are established.
W2> W4 Formula (1)
W3> W1 Formula (2)
W2 <W1 Formula (3)

  According to the above configuration, as shown in FIG. 5, the plug connector 2 is placed in the normal position (the plug side contact of the plug connector 2 with respect to the insertion groove 31 of the receptacle connector 1 (the fixed portion 41 a faces in the vertical direction)). When the plug 61 is inserted and removed in a posture in which the portion 61 is directed in the vertical direction (see FIG. 8A), the retaining projection 62c and the projection 66 of the plug contact 6 become the locking projection 41b and the receptacle-side contact 44 of the receptacle contact 4. In contact with each other, the bending portion 42 is elastically deformed (bent) in the direction in which the front-rear distance between the locking projection 41b and the receptacle-side contact portion 44 is increased. The protrusion 66 and the contact protrusions 68 and 69 of the plug contact 6 are in sliding contact with the center contact portion 45 of the receptacle-side contact portion 44 of the receptacle contact 4. That is, particularly when the plug connector 2 is inserted, the protrusion 66 having a width wider than the contact protrusions 68 and 69 slides on the center contact portion 45 in a wide range and adheres to the center contact portion 45 (for example, a minute foreign matter). Foreign matter adhering to the central contact portion 45 by removing the dust, flux, etc.) and then sliding the peak positions 68a, 69a of the contact convex portions 68, 69 against the central contact portion 45 with a strong concentrated load. (For example, a film such as oil or fat) can be further removed. For this reason, the foreign material adhering to the center contact part 45 can be removed reliably and easily.

Further, since the receptacle-side contact portion 44 is narrower than the contact mounting groove 5a (plug-side contact portion 61) (because Expression (2) is satisfied), the plug-side contact portion 61 is located in the contact mounting groove 5a. However, the receptacle-side contact portion 44 (center contact portion 45, end portion configuration portion 46) does not collide with the plug insulator 5 (the left and right side edges of the contact mounting groove 5a), and the plug-side contact portion 61 (projection). Part 66 and contact convex parts 68 and 69).
Further, since the central contact portion 45 of the receptacle-side contact portion 44 is flat and slidably contacts the plug-side contact portion 61, the plug contact 6 (center line extending in the vertical direction of the plug-side contact portion 61) and the receptacle contact 4 (fixing portion 41a). The center contact portion 45 is surely in contact with the plug-side contact portion 61 even if it is slightly displaced in the left-right direction.
Further, since Formula (1) is satisfied (because W2> W4), when the plug connector 2 is inserted into the insertion groove 31 of the receptacle insulator 3 in the normal posture, the plug contact 6 (vertical direction of the plug-side contact portion 61) Even if the receptacle contact 4 (center line extending in the vertical direction of the fixed portion 41a) is slightly displaced in the left-right direction, the contact convex portion 68 with respect to the central contact portion 45 of the receptacle-side contact portion 44 is obtained. , 69 (peak positions 68a, 69a) are in reliable contact.
Therefore, a stable contact resistance with little variation between the receptacle contact 4 and the plug contact 6 can be obtained.

Further, since the receptacle contact 4 (the receptacle-side contact portion 44 thereof) is narrow (because Expression (2) is satisfied), the plug connector 2 is inclined (slightly) from the normal posture into the insertion groove 31 of the receptacle insulator 3. When inserted in a non-regular posture (see FIG. 8B), the contact protrusions 68 and 69 of the plug connector 2 are in contact with the receptacle-side contact portion 44 at an intermediate position (position in FIG. 5) before the complete fitting position. And contact in an inclined state (non-parallel state). Then, as shown in FIG. 9 (when viewed in a plan view), the bending portion 42 is inclined with respect to the plug-side contact portion 61 (and the fixing portion 41a) while being bent, and the width direction of the receptacle-side contact portion 44 is increased. One end portion (the right end portion in FIG. 8B) may fall into the recess 63 formed between the pair of contact projections 68 and 69.
However, since the end portion constituting portion 46 is formed in the receptacle side contact portion 44 (because Expression (3) is satisfied), in this case, one end portion constituting portion 46 (see FIG. 9) of the receptacle side contact portion 44. Then, when the right end component 46) contacts one of the contact protrusions (the contact protrusion 69 in FIG. 9), the amount of bending of the bending part 42 (inclination angle with respect to the plug-side contact part 61) can be suppressed ( At this time, the inclination angle α of the bending portion 42 with respect to the fixing portion 41a (and the plug-side contact portion 61) is smaller than the inclination angle β of FIG. Therefore, it is possible to reduce the possibility that a large load is applied to the receptacle contact 4 (the connecting portion between the bent portion 42 and the holding portion 41).
Further, when the bending amount of the bending portion 42 (inclination angle with respect to the plug-side contact portion 61) is small, the plug connector 2 is completely fitted into the insertion groove 31 of the receptacle insulator 3 after being inserted to the intermediate position (complete insertion). ) (FIG. 6), when the contact projections 68 and 69 of the plug connector 2 are in contact with the receptacle-side contact portion 44 in a parallel state (contact projections 68 and 69 (peak positions 68a and 69a)). There is little risk that a large load will be applied to the receptacle contact 4 (when it comes into contact with the central contact portion 45 of the receptacle-side contact portion 44).
Even when the plug connector 2 of the connector 10 in the fully fitted state is pulled out from the insertion groove 31 of the receptacle insulator 3 in the non-regular posture inclined slightly from the normal posture, the connector 10 has the same action as when inserted. It is effective.

Moreover, since the part (center contact part center contact part 45 and the edge part structure part 46) which is slidably contacted with the plug side contact part 61 among the receptacle side contact parts 44 is a plane, it can process accurately. On the other hand, by providing the contact protrusions 68 and 69 on the plug-side contact portion 61, the contact of the receptacle contact 4 with the plug contact 6 can be secured even if the plug contact 6 is thinned.

As mentioned above, although this invention was demonstrated based on the said embodiment, this invention is not limited to the said embodiment, It can implement, giving various deformation | transformation.
For example, equations (1) and (2)
W2 ≧ W4 Formula (1)
W3 ≧ W1 Formula (2)
You may change to
Although the expression (1) includes W2 = W4, as shown in FIG. 10, the surface of the plug-side contact portion 61 (the portion excluding the contact convex portions 68 and 69) is flush with the surface of the plug insulator 5. (When the protrusion 66 and the contact protrusions 68 and 69 are located outside the contact mounting groove 5a), the receptacle-side contact portion 44 (the center contact portion 45 and the end portion configuration portion 46) is The plug insulator 5 (the left and right side edges of the contact mounting groove 5a) can be brought into contact with the plug-side contact portion 61 (projection portion 66, contact convex portions 68 and 69) without colliding with the plug insulator 5 (left and right side edge portions of the contact mounting groove 5a).

Moreover, you may change the plug side contact part 61 of the plug contact 6 to the aspect shown in FIG.
In the plug-side contact portion 61, the outer end portion (left end portion in FIG. 11) in the width direction (left-right direction) of one (left side in FIG. 11) contact convex portion 68 is the same position as the left end portion of the plug-side contact portion 61. The outer end (right end in FIG. 11) in the width direction (left and right direction) of the other (right side in FIG. 11) contact protrusion 68 is located at the same position as the right end of the plug-side contact 61. doing. That is, W3 = W5.
Also in this case, the following equations (1), (2), (3)
W2 ≧ (>) W4 (1)
W3 (= W5) ≧ (>) W1 (2)
W2 <W1 Formula (3)
By satisfying the above, the same effect as 10 of the above embodiment can be exhibited.

Moreover, even if the plug-side contact portion 61 (plug contact 6) has any shape of the embodiment of FIGS. 1 to 9 and the modified examples of FIGS. 10 and 11, the cross-sectional shapes of the contact convex portions 68 and 69 are as follows: A peak position where the amount of protrusion to the receptacle-side contact portion 44 side is located at the center in the width direction (left-right direction), and the contact on the receptacle side increases from the peak position toward both ends of the contact protrusions 68 and 69 in the width direction. The shape may be different from the semicircular shape as long as the amount of protrusion toward the portion 44 is gradually reduced.
For example, as shown in FIG. 12, it is good also as a substantially triangle which has a vertex on the receptacle side contact part 44 side.
Moreover, it can also be set as the curve shape which distribute | arranged the curve provided with arbitrary curvature radii to the receptacle side contact part 44 side.

In addition to the above (1), (2), and (3), the connector 10 may be configured so that the following expression (4) is established.
W2 <W5 Formula (4)
In this way, the lateral dimension of the end component 46 can be increased while narrowing the width of the receptacle-side contact portion 44 (receptacle contact 4), so that the plug connector is connected to the receptacle insulator 3 (insertion groove 31). When the two are connected in the non-regular posture, the above-mentioned operational effects can be exhibited more remarkably.

Further, as shown in FIG. 13, instead of the center contact portion 45, a receptacle-side contact portion 44 ′ having a center contact portion 45 ′ having a circular arc shape (or a substantially arc shape) in cross section may be formed in the bent portion 42. .
Further, as shown in FIG. 14, instead of the end portion constituting portion 46, a receptacle side contact portion 44 ″ having an end portion constituting portion 46 ′ having an arcuate cross section (or substantially arc shape) is formed in the bent portion 42. May be.
Further, the central contact portion 45 ′ of FIG. 13 and the end portion configuration portion 46 ′ of FIG. 14 may be combined. However, in this case, the curvatures of the center contact portion 45 ′ and the end portion configuration portion 46 ′ are made different.

  In the present embodiment, the function of the receptacle contact 4 and the function of the plug contact 6 may be interchanged. That is, the plug contact 6 is provided with the same configuration as the receptacle-side contact portion 44 (flexure portion 42), and the same configuration as the plug-side contact portion 61 (protrusion 66, contact convex portions 68, 69) of the receptacle contact 4 is provided. You may provide in a non-deformation part (part which does not bend).

DESCRIPTION OF SYMBOLS 1 Receptacle connector 2 Plug connector 3 Receptacle insulator 4 Receptacle contact 5 Plug insulator 5a Contact mounting groove 6 Plug contact 10 Connector 31 Insertion groove 41 Holding part 41a Fixing part 41b Locking protrusion 42 Deflection part 43 Terminal part 44 Receptacle side contact part (Contact part)
45 Center contact portion 46 End portion configuration portion 61 Plug side contact portion 62a Terminal portion 62b Holding portion 62c Retaining protrusion 63 Recess 66 Protrusion portion 67 Tip portion 68 Contact convex portion 68a Peak position 69 Contact convex portion 69a Peak position 70 Step portion

Claims (4)

A plug connector having a plug insulator and a plug contact supported by the plug insulator;
A receptacle insulator having an insertion groove that can be inserted and removed by moving the plug connector in a linear insertion / removal direction, and the plug contact when the plug connector is inserted into the insertion groove, A receptacle connector having a receptacle contact supported by the receptacle insulator;
In the connector with
One of the plug contact and the receptacle contact includes a contact portion that comes into contact with the other contact when the plug connector is inserted into the insertion groove,
The other contact extends along the insertion / removal direction while projecting toward the contact portion, and is adjacent to a plurality of contact protrusions that come into contact with the contact portion when the plug connector is inserted into the insertion groove. A recess formed between the contact protrusions,
The cross-sectional shape in the width direction of the contact convex portion is a shape that reduces the protrusion amount toward the contact portion side from the peak position of the protrusion amount toward the contact portion side toward both ends in the width direction of the contact convex portion,
The contact portion constitutes a central contact portion that constitutes a portion excluding both end portions in the width direction, and both end portions in the width direction, and is directed from the center contact portion side to the end portion side in the width direction of the contact portion. And a pair of end portions extending to the opposite side to the contact convex portion,
The width of the contact portion is W1,
The width of the central contact portion is W2,
The width of the portion where the contact convex portion of the other contact is located is W3,
The distance in the width direction of the contact convex portion between the pair of peaks is W4,
The distance in the width direction between the opposite end portions of the pair of contact convex portions and the opposite end portions is W5,
The connector is characterized in that the following equations (1), (2), (3), and (4) are satisfied.
W2 ≧ W4 Formula (1)
W3 ≧ W1 Formula (2)
W2 <W1 Formula (3)
W2 <W5 Formula (4) The connector according to claim 1 , wherein
A connector in which the following expression (5) is established, where W5 is the distance in the width direction between the opposite ends of the pair of contact convex portions.
W3> W5 Formula (5) The connector according to claim 1 , wherein
A connector in which the following formula (6) is established, where W5 is the distance in the width direction between the opposite ends of the pair of contact convex portions.
W3 = W5 ... Formula (6) A portable terminal comprising the connector according to claim 1 .

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