JP6195381B2 - Jack connector - Google Patents

Description

  The present invention relates to a small jack connector for electrical connection with a plug connector.

  A jack as a connector for performing electrical connection with an inserted plug is disclosed (for example, Patent Document 1).

  FIG. 9 is an exploded perspective view of the jack 100 described in Patent Document 1. FIG.

  As shown in FIG. 9, the attachment portion 102 b is divided into an attachment portion 110 b formed on the case 110 and an attachment portion 111 b formed on the cover member 111, and is integrated by attaching the cover member 111 to the case 110. The As shown in FIG. 9, the cap member 112 is provided with a protruding portion 112c protruding in the X2 direction. The case 110 is provided in a shape that can accommodate the protruding portion 112c. The upper side (Z2 side) of the rear portion of the cap member 112 constitutes the same plane that is continuous with the first surface 110e when the cap member 112 is mounted on the front side (X1 side) of the case 110. A cover member 111 is placed on the rear portion of the cap member 112 and the case 110, and the cover member 111 is welded to the rear portion of the cap member 112. At this time, as shown in FIG. 9, the cover member 111 has a convex portion 111g protruding in the Z1 direction. In a state where the cap member 112 is attached to the case 110, a notch-shaped insertion portion 112g is provided so that the convex portion 111g of the cover member 111 can be inserted into the cap member 112.

  With these configurations, the cap member 112 can be firmly fixed.

Registered Utility Model No. 3180031

  However, with the progress of weight reduction and thinning of devices to which such a jack connector is attached, it is required to further reduce the size of the jack connector. The conventional jack 100 requires a mounting structure for fixing the cap member 112 to the case 110 and the cover member 111, resulting in a problem that the radial size increases.

  The present invention solves the above-described problems, and an object thereof is to provide a jack connector that can be miniaturized.

  A jack connector according to the present invention includes a lower housing having a front open portion on the front side and an upper open portion on the upper side, and an upper cover attached to the upper side of the lower housing so as to close the upper open portion. A storage space capable of storing a plug connector inserted from the front side toward the rear side is formed, and a plurality of conductive terminals having elastic contact portions capable of elastic contact with the plug connector are disposed inside and outside the lower housing. A jack connector that is held in the lower housing so as to communicate with the cap, and has a cap portion that extends integrally from the front end portion of the upper cover and is attached to the front side of the lower housing; The first conductive terminal of the plurality of conductive terminals has a first elastic contact portion that is elastically contactable with the plug connector so as to protrude to the front side of the front opening portion, and is extended to the carrier. The plug portion includes an opening for insertion of the plug connector, and a housing portion that allows the first elastic contact portion to be inserted in the front-rear direction is provided continuously to the insertion opening. To do.

  According to this structure, since the cap part is integrally extended by the upper cover, a cap part can be fixed firmly and size reduction can be achieved. Note that the first conductive terminal and the cap portion can be prevented from interfering with each other by assembling the integrated component of the upper cover and the cap portion by sliding from the front side to the rear side of the lower housing.

  Further, in the jack connector of the present invention, the plurality of conductive terminals are provided with second conductive terminals having second elastic contact portions capable of elastic contact with the plug connector in the storage space. A rear guide that is a separate body and is provided with an inner member that can be assembled into the lower housing from the upper side of the lower housing, and is disposed on the rear side of the second elastic contact portion and can guide the plug connector. A portion is provided on the inner member.

  According to this configuration, since the inner member has the rear guide portion, the plug connector can be guided and the second elastic contact portion can be more appropriately protected. If the rear guide portion is formed integrally with the upper cover, the rear guide portion interferes with the second elastic contact portion when the upper cover is slid from the front side to the rear side of the lower housing and assembled. Since the inner member is separate from the upper cover and can be assembled from the upper side, the interference between the rear guide portion and the second elastic contact portion can be prevented.

  Further, in the jack connector according to the present invention, the second conductive terminals of the plurality of conductive terminals have a second elastic contact portion that can elastically contact the plug connector in the storage space, and the front side of the second elastic contact portion. A front guide portion that is arranged and capable of guiding the plug connector inserted into the storage space from the insertion opening is provided.

  According to this configuration, since the front guide portion is provided, the plug connector can be guided and the second elastic contact portion can be more appropriately protected.

  Further, in the jack connector of the present invention, the lower housing includes housing-side smooth surfaces extending along the front-rear direction at upper ends of a pair of side wall portions forming the upper open portion, and the upper cover includes: A cover-side smooth surface extending along the front-rear direction is provided at a position corresponding to the upper ends of the pair of side wall parts, and the upper cover is along the front-rear direction at a position that can be slidably contacted inside the pair of side wall parts. A pair of guided portions extending, and the upper cover is slid from the front side to the rear side and assembled to the lower housing.

  According to this configuration, the integrated part of the upper cover and the cap part can be assembled by sliding from the front side to the rear side of the lower housing.

  ADVANTAGE OF THE INVENTION According to this invention, the jack connector which can fix a cap part firmly and can aim at size reduction can be provided.

It is a perspective view which shows the jack connector of embodiment of this invention. It is a disassembled perspective view which shows the jack connector of embodiment of this invention. It is a top view which shows the jack connector of embodiment of this invention. It is sectional drawing cut | disconnected by the IV-IV line of FIG. It is sectional drawing cut | disconnected by the VV line | wire of FIG. It is explanatory drawing which attached the jack connector of embodiment of this invention to the base material. It is a perspective view which shows the integral component of an upper cover and a cap part. It is a perspective view which shows an inner member. It is a disassembled perspective view of the conventional jack.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. For easy understanding, the dimensions of the drawings are appropriately changed.

  FIG. 1 is a perspective view showing a jack connector 1 according to an embodiment of the present invention. FIG. 2 is an exploded perspective view showing the jack connector 1 according to the embodiment of the present invention. FIG. 3 is a plan view showing the jack connector 1 according to the embodiment of the present invention. 4 is a cross-sectional view taken along line IV-IV in FIG. 5 is a cross-sectional view taken along line VV in FIG. FIG. 6 is an explanatory diagram in which the jack connector 1 according to the embodiment of the present invention is attached to the base member 60. FIG. 7 is a perspective view showing an integral part of the upper cover and the cap part. FIG. 8 is a perspective view showing the inner member.

  As shown in FIGS. 1 to 5, the jack connector 1 according to the embodiment of the present invention has a case portion 10 having an insertion opening 1 a into which a plug connector is inserted and a case portion 10 communicating with the inside and outside of the case portion 10. The conductive terminal 3 held by the part 10 and the reinforcing member 40 are provided. As shown in FIG. 6, the jack connector 1 is fixed to a base material 60 and attached to an electronic device (not shown).

  In the following description, the Z1 side in FIG. 1 is described as the upper side, the Z2 side as the lower side, the X1 side as the left side, the X2 side as the right side, the Y1 side as the front side, and the Y2 side as the rear side. This is for ease of explanation, and does not limit the direction when the jack connector 1 is used.

  The case portion 10 is made of an insulating synthetic resin. As shown in FIG. 2, the case portion 10 includes a lower housing 11 having a front opening portion 11 a and an upper opening portion 11 b on the front side and the upper side, and an upper cover 12 attached to the upper side of the lower housing 11. . The case portion 10 extends from the bottom portion 11f and a pair of side wall portions 11c and 11d erected from both sides of the bottom portion 11f and the ceiling portion 15 and the ceiling portion 15 located above the pair of side wall portions 11c and 11d. The cap portion 13 includes an insertion opening 1 a into which the plug connector is inserted. A storage space 1b that can store a plug connector that is inserted from the front side toward the rear side of the insertion opening 1a is formed inside the case portion 10.

  The lower housing 11 is made of a light absorbing material. For example, a black nylon resin can be used. Nylon resin can be molded by moderate heating, and the nylon resin has light absorption when it contains a lot of pigments for coloring. The lower housing 11 includes a housing-side smooth surface 11e extending along the front-rear direction at the upper ends of the pair of side wall portions 11c and 11d that form the upper open portion 11b. Further, the conductive terminal 3 is attached to the lower housing 11.

  The conductive terminal 3 is formed of a conductive metal and penetrates the inside and outside of the case portion 10 (lower housing 11). More specifically, the conductive terminal 3 is integrated with the lower housing 11 by insert molding. For example, phosphor bronze can be used for the plurality of conductive terminals 3. Moreover, it is not limited to insert molding, For example, you may integrate by press injection, an adhesive agent, etc.

  Among the plurality of conductive terminals 3, the first conductive terminal 31 has a first elastic contact portion 31 a that can be elastically contacted with a connection terminal (not shown) of the plug connector so as to protrude to the front side of the front opening portion 11 a. Among the plurality of conductive terminals 3, the second conductive terminal 32 has a second elastic contact portion 32a that can be elastically contacted with the plug connector in the storage space 1b, and the second elastic contact portion 32a extends from the insertion opening 1a to the case portion. 10 is provided so as to be exposed to the storage space 1b following the interior of the housing 10. Similarly, the third conductive terminal 33 has a third elastic contact portion 33a. Further, the fourth conductive terminal 34 has a fourth elastic contact portion 34a.

  The upper cover 12 attached to the upper side of the lower housing 11 is formed of a light transmissive material that can transmit laser light. For example, milky white nylon resin can be used. Nylon resin can be molded by moderate heating, and when it does not contain a pigment, it is milky white and translucent. The upper cover 12 includes a cover-side smooth surface 12 e that abuts against the housing-side smooth surface 11 e of the lower housing 11. The cover-side smooth surface 12e extends along the front-rear direction at a position corresponding to the upper ends of the pair of side wall portions 11c, 11d. The cover-side smooth surface 12e is formed with a constant thickness from the upper surface of the upper cover 12. By irradiating laser light from the upper side (Z1 side), the housing-side smooth surface 11e of the lower housing 11 in contact with the cover-side smooth surface 12e of the upper cover 12 is heated, and the cover-side smooth surface 12e and the housing side The smooth surface 11e can be welded.

  The upper cover 12 has a cap portion 13 that extends integrally from the front end portion to the lower side and is attached to the front side of the lower housing 11. According to this configuration, as shown in FIG. 7, since the cap portion 13 is an integral part integrally extended with the upper cover 12, the cap portion 13 can be firmly fixed and miniaturized. Can do. Furthermore, the upper cover 12 includes a pair of guided portions 12c and 12d extending along the front-rear direction at positions where they can be slidably contacted inside the pair of side wall portions 11c and 11d.

  As shown in FIG. 2, the ceiling portion 15 of the upper cover 12 has a protruding portion 15a formed to protrude upward at a position corresponding to the central portion of the storage space 1b, and the protruding portion 15a around the protruding portion 15a. The step portion 15b is set to have a smaller vertical dimension than that of the step portion 15b. As shown in FIGS. 4 and 5, the ceiling portion 15 has a recess 15 c that is formed to be recessed upward at a position corresponding to the protruding portion 15 a in the storage space 1 b.

  As shown in FIGS. 4 and 5, the storage space 1b is expanded upward by a recess 15c. An inner member 20 that is separate from the upper cover 12 and that can be assembled from the upper side of the lower housing 11 into the lower housing 11 is disposed in the storage space 1b.

  The inner member 20 is made of an insulating synthetic resin. For example, milky white nylon resin can be used in the same manner as the upper cover 12. As shown in FIGS. 5 and 8, the inner member 20 includes a front guide portion 21 disposed on the front side of the second elastic contact portion 32a and a rear guide portion disposed on the rear side of the second elastic contact portion 32a. 22.

  The reinforcing member 40 is formed so as to surround the case portion 10 by punching and bending a metal plate. The reinforcing member 40 has a cutout portion 40a at a position corresponding to the protruding portion 15a of the ceiling portion 15 of the upper cover 12, and an annular portion 40b is formed around the cutout portion 40a.

  As shown in FIG. 5, the annular portion 40 b of the reinforcing member 40 is a pressing portion 45 that can contact the step portion 15 b around the protruding portion 15 a of the ceiling portion 15. As shown in FIG. 2, the reinforcing member 40 is extended to a pair of side plate portions 46 and 47 extending downward from both sides of the pressing portion 45 and to a lower end of the pair of side plate portions 46 and 47. Attachment portions 48 and 49 are provided.

  The reinforcing member 40 is fixed to the base material 60 as shown in FIG. The jack connector 1 of the present embodiment is mounted by soldering a plurality of conductive terminals 3 exposed to the outside of the case portion 10 to a base material 60. In the present embodiment, the attachment portions 48 and 49 of the reinforcing member 40 have a shape that can be soldered to the base material 60, and are soldered to the base material 60 simultaneously with the conductive terminals 3.

  Among the plurality of conductive terminals 3, the first conductive terminal 31 is provided with a first elastic contact portion 31a that is elastically contactable with the plug connector so as to protrude to the front side of the front opening portion 11a. On the other hand, the cap portion 13 includes the plug connector insertion opening 1a, and a housing portion 1c that allows the first elastic contact portion 31a to be inserted in the front-rear direction is provided continuously to the insertion opening 1a. .

  The front guide portion 21 and the rear guide portion 22 of the inner member 20 can guide the plug connector inserted into the storage space 1b from the insertion opening 1a. Furthermore, when the plug connector is inserted, it is possible to prevent an extra load from being applied to the second elastic contact portion 32a and to protect the second elastic contact portion 32a.

  The upper cover 12 includes a pair of guided portions 12c and 12d extending along the front-rear direction at positions where they can be slidably contacted inside the pair of side wall portions 11c and 11d. Thereby, the upper cover 12 can be slid from the front side to the rear side. Thus, when the integrated part of the upper cover 12 and the cap part 13 is slid from the front side to the rear side of the lower housing 11 and assembled, the first conductive terminal 31 and the cap part 13 can be prevented from interfering with each other. It is also possible to prevent a short circuit with another conductive terminal via the connection terminal of the plug connector.

  Hereinafter, the effect by having set it as this embodiment is demonstrated.

  The jack connector 1 of the present embodiment includes a lower housing 11 having a front opening 11a on the front side and an upper opening 11b on the upper side, and an upper side attached to the upper side of the lower housing 11 so as to close the upper opening 11b. A cover 12. A storage space 1b capable of storing a plug connector inserted from the front side toward the rear side is formed, and a plurality of conductive terminals 3 having elastic contact portions 3a capable of elastic contact with the plug connector are formed in the lower housing 11. Is held by the lower housing 11 so as to communicate with the outside. Furthermore, it has the cap part 13 extended integrally from the front end part of the upper cover 12 to the lower side, and attached to the front side of the lower housing 11, and the first conductive terminal 31 of the plurality of conductive terminals 3 is connected to the plug connector. A first elastic contact portion 31a capable of elastic contact is projected and extended to the front side of the front opening portion 11a. The cap portion 13 includes an insertion opening 1a for the plug connector, and a housing portion 1c that allows the first elastic contact portion 31a to be inserted in the front-rear direction is provided continuously to the insertion opening 1a. .

  According to this structure, since the cap part 13 is integrally extended by the upper cover 12, the cap part 13 can be fixed firmly and size reduction can be achieved. It should be noted that the first conductive terminal 31 and the cap portion 13 can be prevented from interfering when the integrated component of the upper cover 12 and the cap portion 13 is slid from the front side to the rear side of the lower housing 11 and assembled.

  In the jack connector 1 of the present embodiment, the plurality of conductive terminals 3 are provided with second conductive terminals 32 having second elastic contact portions 32a that can be elastically contacted with the plug connector in the storage space 1b. The jack connector 1 of the present embodiment is provided with an inner member 20 that is separate from the upper cover 12 and can be assembled from the upper side of the lower housing 11 to the inside of the lower housing 11. The inner member 20 is provided with a rear guide portion 22 that is disposed on the rear side of 32a and can guide the plug connector.

  According to this structure, since the inner member 20 has the rear side guide part 22, while being able to guide a plug connector, the protection of the 2nd elastic contact part 32a can be performed more appropriately. If the rear guide portion 22 is formed integrally with the upper cover 12, the rear guide portion 22 interferes with the second elastic contact portion 32a when the upper cover 12 is assembled. Therefore, the rear guide portion 22 and the second elastic contact portion 32a can be prevented from interfering with each other.

  Further, the jack connector 1 of the present embodiment includes a front guide portion 21 that is disposed on the front side of the second elastic contact portion 32a and can guide a plug connector that is inserted into the storage space 1b from the insertion opening 1a. .

  According to this configuration, the front guide portion 21 is provided, so that the plug connector can be guided and the second elastic contact portion 32a can be more appropriately protected. The front guide portion 21 may be formed on the upper cover 12, but in this case as well, it is preferable that the front guide portion 21 can be assembled by sliding from the front side of the lower housing 11 to the rear side.

  Moreover, in the jack connector 1 of this embodiment, the lower housing 11 is provided with the housing side smooth surface 11e extended along the front-back direction at the upper end part of a pair of side wall part 11c, 11d which forms the upper side open part 11b. And the upper cover 12 is provided with the cover side smooth surface 12e extended along the front-back direction in the position corresponding to the upper end part of a pair of side wall parts 11c and 11d. Further, the upper cover 12 includes a pair of guided portions 12c and 12d extending along the front-rear direction at positions where they can be slidably contacted inside the pair of side wall portions 11c and 11d, and the upper cover 12 is slid from the front side to the rear side. It is possible.

  According to this configuration, the integrated part of the upper cover 12 and the cap portion 13 can be assembled by sliding from the front side of the lower housing 11 to the rear side.

DESCRIPTION OF SYMBOLS 1 Jack connector 1a Opening part for insertion 1b Storage space 1c Storage part 3 Conductive terminal 3a Elastic contact part 10 Case part 11 Lower housing 11a Front side open part 11b Upper side open part 11c, 11d Side wall part 11e Housing side smooth surface 11f Bottom part 12 Upper side Cover 12c, 12d Guided part 12e Cover side smooth surface 13 Cap part 15 Ceiling part 15a Projection part 15b Step part 15c Recess 20 Inner member 21 Front guide part 22 Rear guide part 31 First conductive terminal 31a First elastic contact part 32 Second conductive terminal 32a Second elastic contact portion 33 Third conductive terminal 33a Third elastic contact portion 34 Fourth conductive terminal 34a Fourth elastic contact portion 40 Reinforcing member 40a Cutout portion 40b Annular portion 45 Holding portion 46, 47 Side plate portion 48 49 Mounting part 60 Base material

Claims (4)

A lower housing having a front open portion on the front side and an upper open portion on the upper side, and an upper cover attached to the upper side of the lower housing so as to close the upper open portion, from the front side toward the rear side. The lower side is formed so that a storage space capable of storing the plug connector inserted therein is formed, and a plurality of conductive terminals having elastic contact portions capable of elastic contact with the plug connector communicate with the inside and outside of the lower housing. A jack connector held in a housing,
A cap portion that extends integrally from the front end portion of the upper cover and is attached to the front side of the lower housing;
The first conductive terminal of the plurality of conductive terminals has a first elastic contact portion that can elastically contact the plug connector and extends to the front side of the front opening portion, and extends.
The cap portion includes an opening for insertion of the plug connector, and an accommodating portion that allows the first elastic contact portion to be inserted in the front-rear direction is provided continuously to the insertion opening. And jack connector. The plurality of conductive terminals are provided with second conductive terminals having second elastic contact portions capable of elastic contact with the plug connector in the storage space,
An inner member that is separate from the upper cover and that can be assembled into the lower housing from the upper side of the lower housing is provided, and is disposed on the rear side of the second elastic contact portion to guide the plug connector. The jack connector according to claim 1, wherein a possible rear guide portion is provided on the inner member.   3. The jack connector according to claim 2, further comprising a front guide portion that is disposed on a front side of the second elastic contact portion and can guide the plug connector inserted into the storage space from the insertion opening. . The lower housing includes housing-side smooth surfaces that extend along the front-rear direction at the upper ends of a pair of side wall portions that form the upper open portion, respectively.
The upper cover includes a cover-side smooth surface extending along the front-rear direction at a position corresponding to the upper ends of the pair of side wall portions,
The upper cover includes a pair of guided portions extending in the front-rear direction at positions where the upper cover can slide on the inner side of the pair of side wall portions, and the upper cover is slid from the front side to the rear side to be attached to the lower housing. The jack connector according to any one of claims 1 to 3, wherein the jack connector is assembled.