JP2013089309A - Connector male terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector male terminal which reduces resistance force during connection, prevents dust from being caught in, and has superior connection reliability.SOLUTION: A connector male terminal 100 is inserted between a pair of connector female terminals arranged opposite to each other to make an electric connection, and has recessed grooves 102 and 103 provided in regions 101 that the connector female terminals slide through in the process of the insertion between the connector female terminals. The connector male terminal 100 includes a main-body part 100b in a prismatic shape and a tip part 100a in a rectangular truncated pyramid shape connected to the main-body part 100b in one body. The recessed grooves 102 and 103 are provided to two opposite plane parts 100c and 100d of the main-body part 100b, respectively. The recessed grooves 102 and 103 are extended in a slide-passage direction 104 of connector female-side contactors 12 and 13, and length directions of the recessed grooves 102 and 103 are parallel with the slide-passage direction 10.

Description

  The present invention relates to a connector male terminal constituting a male connector of an electrical connector for an electric / electronic device or a vehicle.

  Conventionally, various electrical devices have been devised for the purpose of preventing wear of the contact portion between the connector female terminal and the connector male terminal, reducing the insertion resistance at the time of insertion, and the like. For example, there are those described in Patent Documents 1 to 4.

  In the “connector” described in Patent Document 1, in order to prevent the wear of only a specific part of the contact, the socket contact formed of a pair of spring members is sandwiched between the spring members of the socket contacts. It consists of a pin contact to be inserted, and is configured such that the mutual contact portion between the pin contact and the socket contact is displaced according to the insertion of the pin contact.

  In the “male terminal structure of a connector” described in Patent Document 2, a guide groove for relaxing contact with a projection having an arcuate cross section provided on the surface of the arm piece of the female terminal is provided along the axial direction of the male terminal. Is formed.

  In the “male terminal” described in Patent Documents 3 and 4, in order to reduce the resistance at the time of connection, each of the front and back surfaces of the connection part including the contact part contacting the female terminal is arranged along the insertion direction. A pair of projecting portions forming a linear shape is formed.

Japanese Utility Model Publication No. 5-17944 Japanese Utility Model Publication No. 5-87837 JP 2009-252526 A JP 2009-252528 A

  The “connector” described in Patent Document 1 can prevent wear of only a specific portion of the contact, but cannot reduce the insertion resistance force at the time of connection, and the contact portion between the connector female terminal and the connector male terminal It is also difficult to prevent the biting of dust.

  On the other hand, the “male terminal structure of the connector” described in Patent Document 2 can reduce the insertion resistance force at the time of connection, but at the time of connection, the rear surface of the guide groove where the protrusion on the arm piece surface of the female terminal comes into contact. Wear tends to occur near the edges.

  Moreover, although the "male terminal" of patent documents 3 and 4 can reduce the insertion resistance force at the time of a connection, a protrusion part is easy to wear out and it is to the contact part of a connector female terminal and a connector male terminal. It is also difficult to prevent biting of dust.

  The problem to be solved by the present invention is to reduce the insertion resistance force at the time of connection and to prevent the biting of dust into the contact portion between the connector female terminal and the connector male terminal. Another object is to provide an excellent connector male terminal.

  The connector male terminal of the present invention is a connector male terminal that is inserted into a connector female terminal disposed opposite to form an electrical connection, and the connector female terminal slides in the process of inserting into the connector female terminal. A recess is provided in the area to be performed.

  With such a configuration, the concave portion of the connector male terminal is kept in a non-contact state with the connector female terminal in the insertion process with respect to the connector female terminal, so that the contact area with the connector female terminal is reduced and the frictional force is reduced. As a result, the insertion resistance at the time of connection can be reduced. Further, since dust such as a plating rod generated by sliding with the connector female terminal is accumulated in the recess, it is possible to prevent the dust from being caught in the contact portion between the connector female terminal and the connector male terminal.

  Further, by providing the recess only in the region where the female connector terminal slides, the contact portion of the connector female terminal is present on the peripheral surface of the connector male terminal when the insertion into the connector female terminal is completed. Since it is located in the part which does not carry out, the required contact area can be ensured and it is excellent also in electrical connection reliability.

  Here, it is desirable to provide the recess in each of the regions through which the plurality of connector female terminals slide.

  With such a configuration, it is possible to reduce the frictional force in a plurality of regions through which the connector female terminals arranged opposite to each other slide and pass, and this is effective in reducing the insertion resistance during connection.

  On the other hand, it is desirable that the concave portion is a concave groove extending along the sliding passage direction of the connector female terminal.

  With such a configuration, the frictional force in the direction of insertion into the connector female terminal can be reduced, so that the insertion resistance force at the time of connection can be further reduced.

  Moreover, it is desirable that the front edge of the concave groove is open in the insertion direction and the rear edge is closed. Here, “front” and “rear” in the “front edge” and the “rear edge” are defined as “front” when connected to the connector female terminal, and the direction opposite to 180 degrees as “rear”. (The same shall apply hereinafter).

  With such a configuration, dust such as a plating flaw generated by sliding with the connector female terminal is introduced into the recess from the opened front edge portion and accumulated so as to be blocked at the closed rear edge portion. Therefore, it is effective in preventing dust from getting into the contact portion between the connector female terminal and the connector male terminal.

  Further, the shape of the concave groove in plan view can be a V-shape that is reduced in width from the front edge toward the rear edge, or the cross-sectional shape of the concave groove can be a U-shape.

  With such a configuration, as in the case of the concave groove, dust such as a plating flaw generated by sliding with the connector female terminal is introduced into the concave portion from the opened front edge portion, and at the closed rear edge portion. Since they can be integrated so as to be blocked, it is effective in preventing dust from being caught in the contact portion between the connector female terminal and the connector male terminal.

  According to the present invention, the insertion resistance at the time of connection can be reduced, dust can be prevented from being caught in the contact portion between the connector female terminal and the connector male terminal, and the connector male excellent in electrical connection reliability can be obtained. A terminal can be provided.

It is a perspective view which shows the electrical connector provided with the connector male terminal which is 1st Embodiment of this invention. It is a perspective view which shows the connector male terminal shown in FIG. It is sectional drawing which shows the insertion process with respect to a connector female terminal. FIG. 4 is a partially enlarged view of FIG. 3. It is sectional drawing which shows the insertion process with respect to a connector female terminal. FIG. 6 is a partially enlarged view of FIG. 5. It is sectional drawing which shows the state which the insertion with respect to a connector female terminal was completed. FIG. 8 is a partially enlarged view of FIG. 7. It is a perspective view which shows the connector male terminal which is 2nd Embodiment of this invention. It is a perspective view which shows the connector male terminal which is 3rd Embodiment of this invention. It is a perspective view which shows the connector male terminal which is 4th Embodiment of this invention.

  As shown in FIGS. 1-3, the connector male terminal 100 of this embodiment is a member which comprises the male connector 11 by arranging two or more in the box-shaped housing 10 formed with the insulating material. The connector male terminal 100 is inserted between a pair of connector female-side contacts 12, 13 arranged opposite to each other to form an electrical connection. In the insertion process with respect to the connector female-side contacts 12, 13, Concave grooves 102 and 103 are provided in regions 101 through which the female connector contacts 12 and 13 slide, respectively. The connector male terminal 100 includes a main body part 100b having a quadrangular prism shape and a tip part 100a having a truncated pyramid shape that is integrally connected to the main body part 100b. Concave grooves 102 and 103 are provided in two opposing flat portions 100c and 100d of the main body portion 100b, respectively.

  The concave grooves 102 and 103 extend along the sliding passage direction 104 of the connector female side contacts 12 and 13, and the longitudinal direction of the concave grooves 102 and 103 is parallel to the sliding passage direction 104, and each bottom surface Is parallel to the flat surface portions 100c and 100d of the main body portion 100b. Further, the front edge 102a of the concave groove 102 opens toward the insertion direction 105, and the rear edge 102b is closed. Although not shown, the front edge and the rear edge of the concave groove 103 have the same shape as the front edges 102 a and 102 b of the concave groove 102. Further, a contact portion 12 a having a V-shaped cross-section in the insertion direction 105 is provided on the distal end side of the connector female contact 12. A contact portion 13a having a shape is provided.

  Here, the process of inserting the connector male terminal 100 into the connector female side contacts 12 and 13 will be described with reference to FIGS. As shown in FIG. 3 and FIG. 4, when the distal end portion 100 a of the connector male terminal 100 is inserted between a pair of connector female-side contacts 12, 13 that are opposed to each other, the upper surface of the distal end portion 100 a of the connector male terminal 100. Contacts the contact portion 12 a of the connector female side contact 12, and the lower flat portion 100 d of the main body portion 100 b of the connector male terminal 100 contacts the contact portion 13 a of the connector female side contact 13.

  As shown in FIGS. 5 and 6, when the connector male terminal 100 is further pushed in along the insertion direction 105, the contact portion 12 a of the connector female-side contact 12 becomes the plane portion on the upper side of the main body portion 100 b of the connector male terminal 100. Riding on 100 c, the lower flat portion 100 d of the main body portion 100 b of the connector male terminal 100 contacts the contact portion 13 a of the connector female side contact 13. At this time, the contact portion 12 a of the connector female side contact 12 is in a non-contact state with the concave groove 102, and the contact portion 13 a of the connector female side contact 13 is in a non-contact state with the concave groove 103.

  As shown in FIGS. 7 and 8, when the connector male terminal 100 is mounted to a predetermined position, the contact portion 12a of the connector female-side contact 12 is positioned behind the rear edge 102b of the groove 102, and the connector male terminal A state in which the majority of the contact portion 13a of the connector female-side contact 13 is in contact with the lower flat portion 100d of the main body portion 100b of the connector male terminal 100 while being in contact with the upper flat portion 100c of the main body portion 100b of the terminal 100 Thus, the insertion of the connector male terminal 100 into the connector female side contacts 12 and 13 is completed.

  As described above, in the process of inserting the connector male terminal 100 into the connector female side contacts 12, 13, the concave grooves 102, 103 are kept in a non-contact state with the connector female side contacts 12, 13. As a result of the contact area between the side contacts 12 and 13 and the connector male terminal 100 being reduced and the frictional force being reduced, the insertion resistance force at the time of connection can be reduced. Further, since dust such as plated flaws generated by sliding with the connector female side contacts 12 and 13 is accumulated in the concave grooves 102 and 103, the contact between the connector female side contacts 12 and 13 and the connector male terminal 100 is achieved. It is possible to prevent the dust from biting into the part.

  Further, since the concave grooves 102 and 103 are provided only in the region through which the female female contacts 12 and 13 slide and pass, as shown in FIG. 7, when the insertion into the female female contacts 12 and 13 is completed. In addition, the majority regions of the contact portion 12a of the connector female side contact 12 and the contact portion 13b of the connector female side contact 13 are formed in portions where the concave grooves 102 and 103 do not exist in the flat portions 100c and 100d of the connector male terminal 100. Therefore, the contact area necessary for electrical conduction can be secured, and the electrical connection reliability is excellent.

  On the other hand, the concave grooves 102 and 103 are provided in each of the regions 101 through which the contact portions 12a and 13a of the female connector contacts 12 and 13 slide and pass, so that the female connector contact terminals 12 and Since the frictional force in a plurality of regions through which each 13 slides can be reduced, it is effective in reducing the insertion resistance during connection.

  Further, since the front edges 102a and 103a of the concave grooves 102 and 103 are opened toward the insertion direction 105 and the rear edges 102b and 103b are closed, the sliding with the female connector contacts 12 and 13 is made. Dust such as a plating flaw generated by movement is introduced into the concave grooves 102 and 103 from the opened front edges 102a and 103a, and is closed in the concave grooves 102 and 103 so as to be blocked by the closed rear edges 102b and 103b. Therefore, it is effective for preventing dust from getting caught in the contact portion between the connector female side contacts 12, 13 and the connector male terminal 100.

  Next, connector male terminals 200, 300, and 400 that are second, third, and fourth embodiments of the present invention will be described with reference to FIGS. 9, 10, and 11. FIG. In the connector male terminals 200, 300, and 400, the portions other than the concave grooves 202, 302, and 402 have the same shape and function as the components of the connector male terminal 100 shown in FIG. The same reference numerals are used and description thereof is omitted.

  In the connector male terminal 200 shown in FIG. 9, the cross-sectional shape is in a region 201 where the connector female side contacts 12, 13 slide through in the process of inserting into the connector female side contacts 12, 13 (see FIG. 3). A U-shaped concave groove 202 is provided. The front edge 202a of the concave groove 202 opens toward the insertion direction 105, and the rear edge 202b has a closed shape.

  In the connector male terminal 300 shown in FIG. 10, the planar view shape is in the region 301 through which the connector female side contacts 12, 13 slide and pass in the insertion process with respect to the connector female side contacts 12, 13 (see FIG. 3). In addition, a concave groove 302 having a V-shape that contracts from the front edge 302a toward the rear edge 302b is provided. The front edge 302a of the groove 302 opens toward the insertion direction 105, the rear edge 302b has a closed shape, and the bottom surface has a planar shape parallel to the planar portion 100c of the planar portion 100c of the main body portion 100b. There is no.

  If the cross-sectional shape of the concave groove 202 is U-shaped as shown in FIG. 9 or the plan view shape of the concave groove 302 is V-shaped as shown in FIG. Similarly to 103, the contact area between the connector female side contacts 12, 13 and the connector male terminals 200, 300 is reduced and the frictional force is reduced. As a result, the insertion resistance at the time of connection can be reduced. Further, since dust such as plating flaws generated by sliding with the female connector contacts 12 and 13 is accumulated in the concave grooves 202 and 302, the female connector contacts 12 and 13 and the male connector terminals 200 and 300 It is possible to prevent dust from getting into the contact portion.

  In the connector male terminal 400 shown in FIG. 11, a concave groove 402 is formed in a region 401 through which the connector female contact 12, 13 slides in the insertion process with respect to the connector female contact 12, 13 (see FIG. 3). Provided. The front edge 402a of the concave groove 402 opens toward the insertion direction 105, and the rear edge 402b has a shape that is continuous with the flat surface portion 100c of the main body portion 100b by a slope 402c that forms a downward slope toward the insertion direction 102. ing. The bottom surface of the concave groove 402 has a planar shape parallel to the planar portion 100c.

  With the above configuration, the contact area between the connector female side contacts 12 and 13 and the connector male terminal 400 is reduced and the frictional force is reduced as in the case of the concave grooves 102, 202 and 302 described above. Can be reduced. Further, by making the rear edge 402b of the concave groove 402 continuous with the flat surface portion 100c via the inclined surface 402c, it is possible to reduce the processing trace of the concave groove edge. Further, since dust such as plated flaws generated by sliding with the female connector contacts 12 and 13 is accumulated in the concave groove 402, the contact portion between the female connector contacts 12 and 13 and the male connector 400 contacts the contact portion. It is possible to prevent biting of dust.

  The connector male terminals 100, 200, 300, and 400 described above are examples of the present invention, and the connector male terminals of the present invention are limited to these connector male terminals 100, 200, 300, and 400. It is not a thing.

  The connector male terminal of the present invention can be widely used in the fields of the electrical / electronic equipment industry, the automobile industry and the like as a component of an electrical connector which is a means for connecting an electrical circuit.

DESCRIPTION OF SYMBOLS 10 Housing 11 Male side connector 12, 13 Connector female side contact 12a, 13a Contact part 100,200,300,400 Connector male terminal 100a Tip part 100b Body part 100c, 100d Plane part 101 area 102,103,202,302, 402 Concave groove 102a, 202a, 302a, 402a Front edge 102b, 202b, 302b, 402b Rear edge 104 Sliding passage direction 105 Insertion direction 402c Slope

Claims (6)

  A connector male terminal that is inserted into a connector female terminal disposed opposite to form an electrical connection, and a recess is provided in a region through which the connector female terminal slides in the process of inserting into the connector female terminal. Connector male terminal characterized by   The connector male terminal according to claim 1, wherein the concave portion is provided in each of the regions through which the plurality of connector female terminals slide.   The connector male terminal according to claim 1, wherein the concave portion is a concave groove extending along a sliding passage direction of the connector female terminal.   The connector male terminal according to any one of claims 1 to 3, which has a shape in which a front edge of the concave groove is open in an insertion direction and a rear edge is closed.   5. The connector male terminal according to claim 3, wherein a shape of the concave groove in plan view is a V-shape that is reduced in width from the front edge toward the rear edge.   The connector male terminal according to claim 3 or 4, wherein a cross-sectional shape of the concave groove is U-shaped.

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