JP2015213000A - Electric connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric connector which reduces the number of components and is low-priced by enabling a plug connector and a receptacle connector to be fitted even if any one of them is vertically inverted.SOLUTION: The electric connector includes a first connector and a second connector. The first connector includes a plurality of first contacts which are arranged in one direction, and a first housing holding the plurality of first contacts and including an insertion hole. The second connector includes a plurality of second contacts 24 which are arranged at positions corresponding to the plurality of first contacts and include contact parts 24a in contact with the first contacts, and a second housing 26 holding the plurality of second contacts and including a tabular part which is inserted into the insertion hole. The contact parts are exposed from both top and bottom faces of the tabular part and either a top face side 24c of the tabular part or a bottom face side 24d of the tabular part is brought into contact with the first contacts.

Description

  The present invention relates to an electrical connector.

  Conventionally, there is a connector that can be fitted even if one of a plug connector and a receptacle connector is turned upside down (see, for example, Patent Document 1).

Special table 2013-532351 gazette

  By the way, in the above-mentioned connector, in order to be able to fit one of the connectors upside down, two rows of contacts are arranged on the receptacle connector and the plug connector, respectively. For this reason, there is a problem that the number of parts increases and the manufacturing cost becomes high.

  An object of the present invention is to provide an inexpensive electrical connector having a small number of parts that can be fitted even if one of a plug connector and a receptacle connector is turned upside down.

  The electrical connector of the present invention is an electrical connector including a first connector and a second connector, and the first connector holds a plurality of first contacts arranged in one direction and a plurality of the first contacts. And a first housing having an insertion hole, wherein the second connector is arranged at a position corresponding to the plurality of first contacts, and has a plurality of second contacts having contact portions in contact with the first contacts And a second housing holding a plurality of the second contacts and having a plate-like portion inserted into the insertion hole, wherein the contact portion is exposed from both upper and lower surfaces of the plate-like portion, Either the upper surface side of the part or the lower surface side of the plate-like part is in contact with the first contact.

  According to the present invention, it is possible to provide an inexpensive electrical connector with a small number of parts that can be fitted even if one of the plug connector and the receptacle connector is turned upside down.

  In addition, according to the present invention, it is possible to provide a thin electrical connector having high strength and capable of preventing a decrease in impedance.

It is a perspective view of the plug connector which concerns on embodiment. It is a perspective view of the 1st housing concerning an embodiment. It is sectional drawing of the 1st housing which concerns on embodiment. It is a perspective view which shows the receptacle connector which concerns on embodiment. It is a perspective view which shows the 2nd housing which concerns on embodiment. It is sectional drawing which shows the 2nd housing which concerns on embodiment. It is sectional drawing which shows the state which made the plug connector fit to the receptacle connector which concerns on embodiment. It is sectional drawing which shows the state which turned the plug connector upside down and was fitted to the receptacle connector which concerns on embodiment. It is a figure which shows the 2nd contact which concerns on other embodiment. It is a figure which shows the 2nd contact which concerns on other embodiment. It is a perspective view of the plug connector which concerns on other embodiment. It is a perspective view which shows the receptacle connector which concerns on other embodiment. It is a perspective view which shows the state which made the plug connector fit to the receptacle connector which concerns on other embodiment. It is a figure which shows the state which made the plug connector fit to the receptacle connector which concerns on other embodiment. It is a perspective view which shows the plug connector which concerns on embodiment. It is a perspective view which shows the receptacle connector which concerns on other embodiment. It is sectional drawing which shows the state which made the plug connector fit to the receptacle connector which concerns on other embodiment. It is sectional drawing which shows the state which turned the plug connector upside down and was fitted to the receptacle connector which concerns on other embodiment.

  Hereinafter, an electrical connector according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a plug connector according to an embodiment. As shown in FIG. 1, the plug connector 2 includes a plurality of first contacts 4 arranged in one direction, a first housing 6 that holds them, and a first shell 8 that covers the outer periphery of the first housing 6. ing.

  Here, the first housing 6 is formed of an insulating resin member, and the first contact 4 is formed of a conductive metal member.

  FIG. 2 is a view showing the first housing 6 according to the embodiment, and FIG. 3 is a sectional view thereof. As shown in FIGS. 2 and 3, the first housing 6 has a contact holding portion 6a in which the first contact 4 is insert-molded and a rectangular insertion hole 10 into which the plate-like portion 26a (see FIG. 5) is inserted. The formed insertion part 6b is provided. Moreover, the 1st contact 4 has the contact part 4a which bends in a mountain shape at one edge part, and contacts the 2nd contact 24 (refer FIG. 6). Note that the contact portion 4 a is disposed at a position where the insertion hole 10 is located, and protrudes upward from the lower bottom surface of the insertion hole 10.

  FIG. 4 is a perspective view of the receptacle connector according to the embodiment. As shown in FIG. 4, the receptacle connector 22 includes a plurality of second contacts 24, a second housing 26 that holds the second contacts 24, and a second shell 28 that covers the outer periphery of the second housing 26. Further, in the second shell 28, a receiving hole 30 which is a space for receiving the plug connector 2 (see FIG. 1) is formed. The second housing 26 is formed of an insulating resin member, and the second contact 24 is formed of a conductive metal member.

  FIG. 5 is a perspective view showing the second housing 26 according to the embodiment, and FIG. 6 is a sectional view thereof. As shown in FIGS. 5 and 6, the second housing 26 includes a plate-like portion 26 a having a rectangular shape in plan view, and a body portion 26 b that holds the plate-like portion 26 a at a predetermined position in the receiving hole 30. A plurality of second contacts 24 are insert-molded in the second housing 26 at positions corresponding to the positions of the first contacts 4.

  Here, the second contact 24 includes a contact portion 24a that contacts the first contact 4 and a connection portion 24b that is connected to a circuit board (not shown). Further, the upper portion 24c of the contact portion 24a is exposed from the upper surface of the plate-like portion 26a, and the lower portion 24d of the contact portion 24a is exposed from the lower surface of the plate-like portion 26a. In addition, a plurality of through holes 32 penetrating the second contacts 24 in the contact arrangement direction are formed in the middle of the upper portion 24c and the lower portion 24d along the direction in which the second contacts 24 extend. The through hole 32 is filled with a resin member at the time of injection molding, and the second contact 24 is insert-molded into the second housing 26. In this way, the second contact 24 is configured as a single member without being separated into upper and lower members, and the resin member is filled into the through hole 32 formed in the second contact 24, whereby the strength of the plate-like portion 26a is increased. Be enhanced. In addition, the plate thickness of the plate-like portion 26a can be reduced, and impedance reduction can be prevented.

  FIG. 7 is a cross-sectional view showing a state in which the plug connector 2 is fitted to the receptacle connector 22 according to the embodiment. As shown in FIG. 7, when the first housing 6 of the plug connector 2 is inserted into the receiving hole 30 of the receptacle connector 22, the plate-like portion 26a of the receptacle connector 22 is inserted into the insertion hole 10 of the first housing 6, The contact portion 4 a of the first contact 4 contacts the lower portion 24 d of the contact portion 24 a of the second contact 24. Thereby, the first contact 4 and the second contact 24 are electrically connected.

  As shown in FIG. 8, when the plug connector 2 is turned upside down and fitted to the receptacle connector 22, the contact portion 4a of the first contact 4 contacts the upper portion 24c of the contact portion 24a of the second contact 24. Then, the first contact 4 and the second contact 24 are electrically connected.

  According to the invention of this embodiment, the arrangement of contacts is limited to only one row in both the plug connector 2 and the receptacle connector 22, and the upper portion 24 c and the lower portion 24 d of the contact portion 24 a of the second contact 24. By configuring the first contact 4 so that any one of the plug connector 2 and the receptacle connector 22 can be brought into contact with each other, an inexpensive electrical connector that can be fitted even when the plug connector 2 or the receptacle connector 22 is turned upside down is provided. Can be provided.

  In the above-described embodiment, the second contact 24 does not necessarily include the through hole 32 in the contact portion 24a. For example, like the second contact 241 shown in FIG. 9, the contact portion 24a is divided into an upper contact portion 24e and a lower contact portion 24f. Then, a slit 24g is formed between the upper contact portion 24e and the lower contact portion 24f so that the direction of the distal end side of the plate-like portion 26a is opened so that the second contact 241 has a substantially tuning fork shape.

  In this case, the slit 24g is filled with a resin member, the upper portion of the upper contact portion 24e is exposed from the upper surface of the plate-like portion 26a, and the lower portion of the lower contact portion 24f is exposed from the lower surface of the plate-like portion 26a. Exposed. Then, either the upper part of the upper contact part 24 e or the lower part of the lower contact part 24 f is in contact with the contact part 4 a of the first contact 4.

  Further, like the second contact 242 shown in FIG. 10, the contact portion 24a has a first contact portion 24x extending from the connection portion 24b to the distal end side of the plate-like portion 26a, and a folded portion 24y at the position of the distal end of the plate-like portion 26a. And a second contact portion 24z that is folded back by the folded portion 24y and extends in the direction of the connection portion 24b. Here, a slit-like gap 40 is formed between the first contact portion 24x and the second contact portion 24z. The second contact portion 24z extends to a position just before the position corresponding to the root of the first contact portion 24x, and a notch 40a is formed between the tip of the second contact portion 24z and the connection portion 24b.

  In this case, the gap 40 is filled with the resin member, the upper portion of the first contact portion 24x is exposed from the upper surface of the plate-like portion 26a, and the lower portion of the second contact portion 24z is the lower side of the plate-like portion 26a. Exposed from the surface. Then, either the upper part of the first contact part 24 x or the lower part of the second contact part 24 z is in contact with the contact part 4 a of the first contact 4.

  Further, the receptacle connector 22 may be mixed with the second contact 24 shown in FIG. 6 and the second contact 241 shown in FIG. 9 may be partially arranged, or may be mixed with the second contact 241. The second contacts 24 may be arranged in part.

  Similarly, the second contacts 242 shown in FIG. 10 may be mixed with the second contacts 24 shown in FIG. 6, and the second contacts 24 may be mixed with the second contacts 242. May be arranged in part.

  In the above-described embodiment, the plug connector 2 may be provided with a lock fitting that locks the plug connector 2 in a state in which the plug connector 2 is fitted to the receptacle connector 22. For example, a pair of lock fittings 50 (see FIG. 14) are arranged on both sides of the first housing 6 in the contact arrangement direction. And as shown in FIG. 11, the opening part 52 which exposes the front-end | tip part of the lock metal fitting 50 is provided in the both sides of the contact arrangement direction of the 1st shell 8. As shown in FIG. Here, a claw portion 50 a that engages with an engaging portion 54 (see FIG. 12) described later is formed at the distal end portion of the lock fitting 50. Further, the lock fitting 50 has elasticity, and the claw portion 50a is urged outward in the contact arrangement direction by the elastic force of the lock fitting 50.

  On the other hand, as shown in FIG. 12, engaging portions 54 that engage with the claw portions 50a are formed on both side portions of the second shell 28 of the receptacle connector 22 in the contact arrangement direction.

  In this case, when the plug connector 2 is inserted into the receptacle connector 22, the claw portion 50 a is pressed toward the outside of the second shell 28 by the elastic force of the lock fitting 50. When the claw portion 50a moves to the position where the engaging portion 54 is located, the claw portion 50a engages with the engaging portion 54 as shown in FIGS. 13 and 14, and the plug connector 2 is detached from the receptacle connector 22. Locked not to.

  Similarly, when the plug connector 2 is turned upside down and inserted into the receptacle connector 22, similarly, the claw portion 50 a engages with the engaging portion 54, and the plug connector 2 is locked so as not to be removed from the receptacle connector 22. .

  Further, as shown in FIG. 15, the lock fitting 50 may be arranged so that the claw portion 50 a faces upward, and the claw portion 50 a may be urged upward by the elastic force of the lock fitting 50. And the opening part 62 which exposes the nail | claw part 50a is formed in the both ends of a contact arrangement direction in the upper surface of the 1st shell 8 of the plug connector 2. FIG. Further, as shown in FIG. 16, on the upper surface of the second shell 28 of the receptacle connector 22, engagement portions 64 that engage with the claw portions 50 a are formed at both ends in the contact arrangement direction. Similarly, on the lower surface of the second shell 28, engagement portions 64 that engage with the claw portions 50a are formed at both ends in the contact arrangement direction.

  In this case, when the plug connector 2 is inserted into the receptacle connector 22, as shown in FIG. 17, the claw portion 50 a engages with the engaging portion 64, and the plug connector 2 is locked so as not to be removed from the receptacle connector 22. Is done. Also when the plug connector 2 is turned upside down and inserted into the receptacle connector 22, the claw portion 50 a is engaged with the engagement portion 64 so that the plug connector 2 does not come out of the receptacle connector 22 as shown in FIG. Locked to.

  In the above-described embodiment, the number of the through holes 32 of the second contact 24 is not necessarily plural, and it is sufficient that at least one contact portion 24a is formed.

  In the above-described embodiment, the first housing 6 is not necessarily divided into the contact holding portion 6a and the insertion portion 6b, and the contact holding portion 6a and the insertion portion 6b may be formed as one member. .

  In the above-described embodiment, the first contact 4 and the first housing 6 are not necessarily insert-molded, and the first contact 4 may be assembled to the first housing 6. Similarly, the second contact 24 may be assembled to the second housing 26.

DESCRIPTION OF SYMBOLS 2 ... Plug connector, 4 ... 1st contact, 4a ... Contact part, 6 ... 1st housing, 6a ... Contact holding part, 6b ... Insertion part, 8 ... 1st shell, 10 ... Insertion hole, 22 ... Receptacle connector, 24 ... 2nd contact, 26 ... 2nd housing, 26a ... Plate-shaped part, 26b ... Body part, 28 ... 2nd shell, 30 ... Receiving hole, 32 ... Through-hole

Claims (11)

An electrical connector comprising a first connector and a second connector,
The first connector is
A plurality of first contacts arranged in one direction;
A first housing holding a plurality of the first contacts and having an insertion hole;
The second connector is
A plurality of second contacts arranged at positions corresponding to the plurality of first contacts and having a contact portion in contact with the first contacts;
A second housing that holds a plurality of the second contacts and has a plate-like portion that is inserted into the insertion hole;
The contact portion is exposed from both upper and lower surfaces of the plate-like portion, and either the upper surface side of the plate-like portion or the lower surface side of the plate-like portion is in contact with the first contact. .   The electrical connector according to claim 1, wherein either the first connector or the second connector can be fitted upside down.   The electrical connector according to claim 1, wherein the second connector is formed by insert molding a plurality of the second contacts and the second housing.   The said contact part is equipped with at least one through-hole between the upper surface side of the said plate-shaped part, and the lower surface side of the said plate-shaped part, The electricity as described in any one of Claims 1-3 characterized by the above-mentioned. connector. The contact portion is
An upper contact portion exposed on the upper surface of the plate-like portion;
A lower contact portion exposed on the lower surface of the plate-like portion;
4. A substantially tuning fork shape having a slit formed between the upper contact portion and the lower contact portion and having an opening at a position on a tip side of the plate-like portion. The electrical connector as described in any one. The contact portion is
A first contact portion having a folded portion that is folded at a position on the tip side of the plate-like portion;
A second contact portion extending from the folded portion toward the front side of the position of the first contact portion in a direction opposite to the front end side of the plate-like portion. The electrical connector according to any one of the above. The contact portions of some of the second contacts are:
An upper contact portion exposed on the upper surface of the plate-like portion;
A lower contact portion exposed on the lower surface of the plate-like portion;
5. The electricity according to claim 4, which has a substantially tuning fork shape provided with a slit formed between the upper contact portion and the lower contact portion and having an opening at a position on a tip side of the plate-like portion. connector. The contact portions of some of the second contacts are:
A first contact portion having a folded portion that is folded at a position on the tip side of the plate-like portion;
The second contact portion extending from the folded portion toward the front side of the position corresponding to the root of the first contact portion in a direction opposite to the front end side of the plate-like portion. Electrical connector. The first connector includes a first shell that covers an outer periphery of the first housing;
The electrical connector according to any one of claims 1 to 8, wherein the second connector includes a second shell that covers an outer periphery of the second housing. The first connector is provided with lock fittings on both sides in the contact arrangement direction for locking the first connector to be engaged with the second connector.
The second shell is provided with engaging portions on both side surfaces in the contact arrangement direction which can be engaged with the lock fitting by vertically inverting either the first connector or the second connector. Item 10. The electrical connector according to Item 9. The first connector is provided with lock fittings on both sides in the contact arrangement direction for locking the first connector to be engaged with the second connector.
The second shell has an engaging portion that can be engaged with the lock fitting by inverting one of the first connector and the second connector up and down at both ends of the upper and lower surfaces of the second shell in the contact arrangement direction. The electrical connector according to claim 9, further comprising:

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