TW201926809A - Socket terminal and socket connector - Google Patents

Abstract

A connector terminal comprising: a terminal main body extending along a center line; a contact section provided at one end of the terminal main body in the extension direction thereof; and a lance section provided on the other end section of the terminal main body in the extension direction thereof. The contact section has: a position restricting section comprising an annular band section extending the inner circumferential surface of a housing, along the circumferential direction, said position restricting section being capable of restricting the position of the contact section on the outer circumferential surface of the annular band section and capable of inserting a plug terminal inside the annular band; and an elastic contact section provided between the position restricting section and a connection section.

Description

Socket terminal and socket connector

The present disclosure is directed to a socket terminal and a socket connector including the socket terminal.

Patent Document 1 discloses a plug type contact pin in which a metal plate is press-formed into a connector formed into a predetermined shape. The stylus is linearly extended, and includes a needle-shaped contact terminal portion provided on the distal end side, a main body portion provided in the middle, and a connection terminal portion provided on the rear end side.

Further, the stylus is assembled into the contact holding hole of the insulator to form a connector body together with the insulator. A synthetic resin material is molded on the outer peripheral surface of the connector body, thereby forming a connector.
[Prior Art Literature]
[Patent Literature]

Patent Document 1: Japanese Patent Laid-Open No. Hei 9-147948

[Problems to be solved by the invention]

When the stylus is changed to the socket type, for example, it is conceivable to change the needle-shaped contact terminal portions so as to be close to each other as they are apart from the main body portion, and to clamp the needle-shaped contact terminals that have been inserted therebetween. A pair of elastic contact portions. In this case, the gap between the pair of elastic contact portions and the contact holding hole of the insulator becomes larger as it goes away from the main body portion, so that the end portion of the pair of elastic contact portions far from the main body portion is held in contact with the contact portion. The sway of the hole in the direction in which the direction of extension is orthogonal. When the end portions of the pair of elastic contact portions that are far from the main body portion are shaken, it is difficult to insert a needle-shaped contact terminal portion between the pair of elastic contact portions, and the socket type stylus with respect to the plug type stylus The situation in which contact reliability is degraded.

It is an object of the present disclosure to provide a socket terminal having high contact reliability with respect to a plug terminal and a socket connector including the socket terminal.
[Means for solving the problem]

A socket terminal according to an example of the present disclosure is a socket terminal that can be housed in an accommodating portion of a socket connector and that can be connected to an electric wire, the socket connector having an insulative housing, and the housing is provided with a pluggable terminal The receiving portion, the socket terminal comprises:
Terminal body, extending along the center line;
a contact portion disposed at one end of the extending direction of the terminal body to be in contact with the plug terminal inserted into the receiving portion;
a lance portion that is disposed at the other end portion of the terminal body in the extending direction, determines a position of the center line of the socket terminal in the extending direction of the socket portion, and a connecting portion that is disposed in the a conductor portion of the electric wire may be connected between the contact portion and the lance;
The contact portion has:
The position regulating portion includes an endless belt portion extending in the circumferential direction of the inner peripheral surface of the casing constituting the accommodating portion, and is restrained from being accommodated by the outer peripheral surface of the endless belt portion a position of the contact portion in a direction orthogonal to a direction in which the accommodating portion extends in the accommodating portion, and the plug terminal may be inserted into the inner portion of the endless belt portion; and an elastic contact portion is provided at the One end portion in the width direction between the position regulating portion and the connecting portion and intersecting with the extending direction of the center line of the terminal body is along the center line toward one end portion in the width direction In the direction of the position restricting portion, and extending in the width direction in a direction toward the center line, and contacting the plug terminal that has been inserted into the receiving portion and in the width direction Elastically deformed away from the centerline.

A socket connector of an example of the present disclosure includes:
The connector terminal; and the housing having the housing portion in which the connector terminal is housed.
[Effects of the Invention]

According to the socket terminal, the contact portion has a position regulating portion that includes an endless belt portion that extends in the circumferential direction on the inner circumferential surface of the casing that constitutes the housing portion. The position regulating portion restricts the position of the contact portion in the direction orthogonal to the extending direction of the accommodating portion when the socket terminal is housed in the accommodating portion, so that the sway at the one end portion of the terminal body can be suppressed. As a result, the contact reliability with respect to the socket terminal of the plug terminal can be improved.

According to the socket connector, since the socket terminal is included, a socket connector having high contact reliability can be realized.

Hereinafter, an example of the present disclosure will be described with reference to the drawings. Furthermore, in the following description, terms indicating a specific direction or position (for example, terms including "upper", "lower", "right", and "left") are used as needed, but the terms are used for The understanding of the present disclosure with reference to the drawings is made easy, and thus the technical scope of the present disclosure is not limited by the meaning of the terms. In addition, the following description is merely illustrative in nature and is not intended to limit the invention, its application, or its use. Further, the drawings are schematic views, and the ratios of the respective dimensions are not necessarily the same as those of the actual ones.

As shown in FIG. 1, the connector 1 of one embodiment of the present disclosure is a receptacle connector to which a plug connector (not shown) is connectable, and includes an insulative housing 10 having a housing portion 11. Furthermore, in this embodiment, as an example, the casing 10 has four accommodating portions 11, and each of the accommodating portions 11 has a substantially columnar shape.

As shown in FIG. 2, the casing 10 has a substantially cylindrical shape and has a terminal insertion surface of the outer end portion 101 provided in the extending direction thereof. Four opening portions 103 to which the respective housing portions 11 are respectively connected are provided on the terminal insertion surface. Further, the inner end portion 102 in the extending direction of the casing 10 is provided with a locking portion 12 that can lock the lance 40 of the connector terminal 20 to be described later in the extending direction of the accommodating portion 11. In this embodiment, as an example, the locking portion 12 includes four slit portions 12 (only two slit portions 12 are shown in FIG. 2) that are associated with the respective housing portions 11. Each of the slit portions 12 is elongated in the circumferential direction of the casing 10, and has a length of about 1/6 of the outer circumferential length of the casing 10.

As shown in FIG. 3, the connector terminals 20 shown in FIG. 4 are accommodated in each of the accommodating portions 11 (only two accommodating portions 11 are shown in FIG. 3). The conductor portion 5 of the electric wire 2 is connected to the terminal 20 for the connector from the side of the inner end portion 102 (shown in FIG. 2) in the extending direction of the casing 10.

Further, as shown in FIG. 1 and FIG. 3, as an example, a polybutylene terephthalate (PBT) resin (polyethylene terephthalate) is provided on the inner end portion 102 of the casing 10. The ester resin is a cover portion 3 which is molded. The cover portion 3 is formed to cover the inner end portion 102 of the casing 10 and the electric wire 2. Further, as shown in FIGS. 1 to 3, a fixing portion 4 for fixing the connected plug connector is provided around the extending direction of the casing 10.

In addition, the electric wire 2 and the cover part 3 are abbreviate|omitted by FIG.

Next, a connector terminal 20 according to an embodiment of the present disclosure will be described with reference to FIGS. 4 to 12. In this embodiment, as an example, the connector terminal 20 is a socket terminal to which the plug terminal 120 (see FIG. 12) can be connected.

As shown in FIG. 4, the socket terminal 20 includes a terminal body 21 extending along a center line CL1 thereof, and a contact portion 30 provided at a first end portion 211 which is one end portion of the terminal body 21 in the extending direction; the lance 40, The second end portion 212 provided at the other end portion of the terminal body 21 in the extending direction; and the connecting portion 22 are disposed between the contact portion 30 and the lance portion 40. A resin positioning portion 50 is provided between the connecting portion 22 of the terminal body 21 and the contact portion 30. Furthermore, the center line CL1 of the receptacle terminal 20 is extended substantially parallel to the center line CL2 (shown in FIG. 3) of the housing portion 11 of the housing 10. Further, the connecting portion 22 is provided to be connectable to the conductor portion 5 of the electric wire 2 from the lance portion 40 side.

As shown in FIG. 4, the terminal body 21 has a pair of wire holding portions 23 provided between the connecting portion 22 of the terminal body 21 and the second end portion 212. Each of the electric wire holding portions 23 is configured to extend from the both end portions in the width direction of the socket terminal 20 in the extending direction of the center line CL1 so as to extend around the center line CL1, and the conductor portion 5 of the electric wire 2 is connected to the connection. The portion 22 can hold the insulating portion 6 of the electric wire 2 (shown in Fig. 3).

Further, as shown in FIG. 5, the terminal body 21 has a plug terminal accommodating portion 213 capable of accommodating the plug terminal 120 between the position regulating portion 31 of the first end portion 211 and the resin positioning portion 50, and is provided in the plug terminal accommodating portion. Terminal guiding surface 26 of 213. The terminal guiding surface 26 is configured to guide the movement of the plug terminal 120 in the extending direction of the center line CL1 when the socket terminal 20 is inserted into the housing portion 11 of the housing 10.

Further, as shown in FIG. 6, the terminal body 21 has a wire guiding surface 24 provided at the second end portion 212 thereof. As shown in FIG. 7, the wire guiding surface 24 is a substantially semicircular arc surface surrounding the center line CL1 as viewed in the extending direction of the center line CL1, so that the center can be guided when the conductor portion 5 of the electric wire 2 is connected to the connecting portion 22. The movement of the electric wire 2 in the extending direction of the line CL1 is configured.

As shown in FIG. 4, the contact portion 30 has a position regulating portion 31 provided at the tip end of the terminal body 21 on the first end portion 211 side, and elastic contact between the position regulating portion 31 provided at the terminal body 21 and the connecting portion 22. The portion 33 is disposed so as to be inserted into the plug terminal 120 of the accommodating portion 11 so as to be in contact with the opening 103 that is open from the opening surface of the outer end portion 101 of the casing 10.

As shown in FIG. 3, the position regulating portion 31 is provided at an end portion of the contact portion 30 that is far from the connecting portion 22. As shown in FIG. 5, the position regulating portion 31 is included in the inner peripheral surface 13 of the casing 10 constituting the housing portion 11. An endless belt portion 34 that extends in the circumferential direction. The endless belt portion 34 has substantially the same width W (that is, a length in the extending direction of the center line CL1 of the socket terminal 20) so that the extension of the accommodating portion 11 when being accommodated in the accommodating portion 11 can be restricted by the outer peripheral surface thereof The position of the contact portion 30 in the direction orthogonal to the direction is provided in such a manner that the plug terminal 120 can be inserted into the inside thereof.

Specifically, when the socket terminal 20 is housed in the accommodating portion 11 , the position regulating portion 31 is configured such that the outer circumferential surface of the endless belt portion 34 and the inner circumferential surface 13 of the casing 10 are in contact with each other to perform position restriction.

As shown in FIG. 5, one end portion and the other end portion (that is, both end portions) in the width direction intersecting with the extending direction of the center line CL1 in the terminal guiding surface 26 of the terminal body 21 are provided with a pair of elastic contact portions. 33. Each of the elastic contact portions 33 has a flat plate shape and is disposed symmetrically with respect to the center line CL1, and extends from the both end portions in the width direction of the terminal body 21 toward the position regulating portion 31 along the center line CL1. The portions are respectively elongated in the direction of the central portion in the width direction of the terminal body 21. Further, each of the elastic contact portions 33 is provided so as to be in contact with the plug terminal 120 of the accommodating portion 11 of the housing 10 and elastically deformable in the width direction and away from the center line CL1.

In other words, each of the elastic contact portions 33 has a cantilever structure, and the base end portion 37 as one end portion in the extending direction is connected to the terminal body 21. Further, each of the elastic contact portions 33 is configured such that the distal end portion 36 not connected to the terminal body 21 is located closer to the center line CL1 than the proximal end portion 37 connected to the terminal body 21 in the width direction of the terminal body 21. And the front end portion 36 can swing in the width direction of the terminal body 21.

Further, a curved portion 38 that is curved in a direction away from the center line CL1 in the width direction of the terminal body 21 is provided in the front end portion 36 of each of the elastic contact portions 33 that is close to the position regulating portion 31. When the plug terminal 120 is inserted into the accommodating portion 11, the plug terminal 120 inserted into the inner end portion of the endless belt portion 34 of the position regulating portion 31 does not collide with the front end portion 36 of the pair of elastic contact portions 33 by the bent portion 38, and It is smoothly inserted between the pair of elastic contact portions 33.

As shown in FIG. 6, the lance 40 has at least three positioning spears that determine the position of the connector terminal 20 (ie, the socket terminal 20) in the extending direction of the center line CL1 of the accommodating portion 11 (in this embodiment, The three positioning spears, that is, the first positioning spear 41 as the first positioning spear, the second positioning spear 42 as the second positioning spear, and the third positioning as the third positioning spear Spear 43). Each of the positioning lances 41, the positioning lances 42, and the positioning lances 43 are disposed at intervals around the center line CL1, and are engageable with the locking portion 12 of the housing 10 in the extending direction of the center line CL1 (ie, The configuration of the notch portion 12) (see Fig. 3).

As shown in FIG. 6, the first positioning lance 41 is provided on the wire guiding surface 24 of the second end portion 212 of the terminal body 21. Further, the second positioning lance 42 and the third positioning lance 43 are respectively disposed on both sides in the circumferential direction of the first positioning lance 41 with respect to the center line CL1.

As shown in FIG. 6 , the end portions of each of the positioning lances 41 , the positioning lances 42 , and the positioning lances 43 that are close to the connecting portion 22 are respectively connected to the terminal body 21 , and the positioning lances 41 , the positioning lances 42 , and the positioning are respectively positioned. The lance 43 has a plate shape that is elongated from the end portion connected to the terminal body 21 toward the distal end of the second end portion 212 of the terminal body 21 along the extending direction of the center line CL1. Further, each of the positioning lances 41 is extended away from the center line CL1 as it goes from the end portion of the terminal body 21 toward the second end portion 212 of the terminal body 21, and has a locating ratio at the intermediate portion thereof for each positioning. The imaginary straight line L4 (the imaginary straight line L4 indicating only the second positioning lance 42 and the third positioning lance 43 in FIG. 6) that is connected to both ends of the lance 41, the positioning lance 42, and the positioning lance 43 in the extending direction is closer. The curved portion 411 on the center line CL1 side, the curved portion 421, and the curved portion 431.

In the above-described embodiment, the straight line is set as the imaginary straight line L4 which is the thickness direction of the both ends of the positioning lance 41, the positioning lance 42, and the positioning lance 43 in the extending direction ( The center of Figure 6 is represented by D1 and D2).

Further, as shown in FIG. 7, each of the positioning lance 41, the positioning lance 42, and the positioning lance 43 are configured such that the center line CL1 and the first positioning lance 41 are connected as viewed from the extending direction of the center line CL1. The angle θ1 formed by the first imaginary straight line L1 and the second imaginary straight line L2 connecting the center line CL1 and the second positioning lance 42 is larger than 0 degree and smaller than 180 degrees around the center line CL1, and the first imaginary straight line L1 and the center are The angle θ3 formed by the third imaginary straight line L3 connected by the line CL1 and the third positioning lance 43 is larger than 0 degree and smaller than 180 degrees around the center line CL1. The angle formed by the second imaginary straight line L2 and the third imaginary straight line L3 is θ2.

Specifically, each of the positioning lance 41, the positioning lance 42, and the positioning lance 43 are disposed in such a manner as to be viewed from the extending direction of the center line CL1 on the circumference of a circle having the center line CL1 as a center in the circumferential direction. It becomes equal intervals (ie, θ1 = θ2 = θ3 = 120 degrees). Therefore, the socket terminal 20 can be locked to the notch portion 12 of the casing 10 regardless of the direction of the socket terminal 20 that is received in the accommodating portion 11 around the center line CL1.

Further, the first imaginary straight line L1, the second imaginary straight line L2, and the third imaginary straight line L3 are respectively passed through the center line CL1, the respective positioning spears 41, the positioning spears 42, and the positioning, as viewed from the extending direction of the center line CL1. A straight line of any part of the spear 43. In other words, as shown in FIG. 7, the first virtual straight line L1 is an arbitrary straight line from the straight line L11 to the straight line L12, and the second virtual straight line L2 is an arbitrary straight line from the straight line L21 to the straight line L22, and the third virtual straight line L3 is Any straight line from the straight line L31 to the straight line L32. Therefore, for example, the angle θ1 formed by the first virtual straight line L1 and the second virtual straight line L2 is an arbitrary angle from the angle θ11 to the angle θ12.

As shown in FIG. 8, the resin positioning portion 50 includes a cylindrical guide wall portion 51 having a substantially cylindrical through hole 53 extending along the center line CL1, and a positioning wall portion 52 for cutting a part of the terminal body 21. Formed from the ground up. The positioning wall portion 52 has a substantially disk shape and is configured such that the inside of the guide wall portion 51 blocks the through hole 53 in the extending direction of the center line CL1.

As shown in FIG. 9, the positioning wall portion 52 has a locking convex portion 54 that protrudes from the positioning wall portion 52 toward the outside of the resin positioning portion 50 in a direction crossing the extending direction of the center line CL1. The positioning wall portion 52 is cut and raised from the lance portion 40 side toward the contact portion 30 side, and the locking convex portion 54 and the cutting residual portion 56 are respectively disposed in the radial direction with respect to the center of the disk shape of the positioning wall portion 52. On the side, the cutting residual portion 56 is a cutting residual portion as the positioning wall portion 52. Further, the guide wall portion 51 has a locking recess 55 that locks the locking convex portion 54 to restrict the position of the positioning wall portion 52 with respect to the guide wall portion 51.

In the inside of the resin positioning portion 50, the resin which is the material of the cover portion 3 when the cover portion 3 is formed flows in from the lance portion 40 side toward the contact portion 30, and the resin seal portion 60 which extends from the lance portion toward the contact portion 30 is formed. Case. The guide wall portion 51 is configured to guide the resin flowing in from the lance portion 40 side toward the contact portion 30 to the positioning wall portion 52, and the positioning wall portion 52 is configured to determine the position of the resin sealing portion 60.

Further, as shown in FIG. 9, a part of the terminal body 21 is cut and raised to form the positioning wall portion 52, whereby even if the resin flowing into the inside of the resin positioning portion 50 flows out from the through hole 57, it is difficult for the resin to flow into the terminal body 21. The plug terminal accommodating portion 213 on the side of the contact portion 30 is formed in the terminal body 21 when the positioning wall portion 52 is cut and raised, and penetrates the terminal body 21 in a direction orthogonal to the center line CL1.

Here, a procedure of forming the resin positioning portion 50 will be described with reference to FIG.

As shown in FIG. 10, the resin positioning portion 50 includes a substantially rectangular plate-shaped second member 202 and a third member 203 which are respectively provided on both sides in the short-side direction of the substantially rectangular plate-shaped first member 201 constituting the terminal body 21. .

First, the center point CP of the center line CL3 disposed in the short-side direction of the first member 201 is cut into a notch to form a substantially arc-shaped slit 521, and the second member 202 and the third member 203 are formed. Each of the outer side surface 204 and the outer side surface 205 of the center line CL3 away from the first member 201 is formed with a concave portion 551 and a concave portion 552 which are extended toward the center line CL3 of the first member 201, respectively.

A protrusion 522 that protrudes in a direction away from the center point CP along the center line CL3 is provided in the slit 521 . A part of the first member 201 surrounded by the protruding portion 522 constitutes a locking convex portion 54. A slit 521 is not formed on the opposite side of the protruding portion 522 with respect to the radial direction of the center point CP, and the cutting residual portion 56 of the positioning wall portion 52 is formed. Further, each of the concave portion 551 and the concave portion 552 is provided on an imaginary straight line L5 that connects both end portions of the slit 521, and the two concave portions 551 and the concave portion 552 constitute one locking concave portion 55.

Then, a part of the first member 201 surrounded by the slit 521 is bent substantially perpendicularly to the plate surface of the first member 201 to form the positioning wall portion 52, and the second member 202 and the second member are formed. The member 203 is bent and raised along the outer peripheral surface of the positioning wall portion 52 around the center point CP, and is joined in a state in which the outer side surface 204 and the outer side surface 205 face each other to form the guide wall portion 51.

At this time, each of the concave portion 551 and the concave portion 552 is connected to each other in a state in which the openings face each other to constitute the locking concave portion 55, and the locking convex portion 54 of the positioning wall portion 52 is housed and locked in the inside of the locking concave portion 55.

Further, the positioning wall portion 52 has a larger outer shape than the through hole 53 inside the guiding wall portion 51 as viewed in the extending direction of the center line CL1 of the socket terminal 20. Thereby, the guide wall portion 51 and the positioning wall portion 52 are reliably sealed between the guide wall portions 51.

According to the socket terminal 20, the lance 40 is disposed at the other end 212 of the extending direction of the terminal body 21. Therefore, when the socket terminal 20 is received in the accommodating portion 11 of the housing 10, the lance 40 is finally received in the accommodating portion. 11. Therefore, compared with the stylus of Patent Document 1 in which a pair of lances are provided in the main body portion provided in the middle of the stylus, when the socket terminal 20 is housed in the accommodating portion 11 of the casing 10, the inner circumference of the accommodating portion 11 The distance between the surface 13 and the positioning lances 41, the positioning lances 42, and the positioning lances 43 is shortened, and the positioning lances 41, the positioning lances 42, and the positioning lances 43 are locked at positions closer to the user. The locking portion 12 of the housing 10 is provided. As a result, it is possible to easily accommodate the accommodating portion 11 of the casing 10, and it is easy to confirm whether or not each of the positioning lance 41, the positioning lance 42, and the positioning lance 43 has been locked to the socket of the locking portion 12 of the casing 10. Terminal 20.

Further, the socket terminal 20 has at least three positioning spears that determine the position of the receptacle terminal 20 of the housing portion 11 of the connector 1 in the extending direction of the center line CL1, that is, the first positioning spear 41, The second positioning lance 42 and the third positioning lance 43 are used. The angle θ1 between the first virtual straight line L1 connecting the center line CL1 and the first positioning lance 41 and the second imaginary straight line L2 connecting the center line CL1 and the second positioning lance 42 surrounds the center line of the socket terminal 20 CL1 is larger than 0 degrees and smaller than 180 degrees, and the angle θ3 formed by the first imaginary straight line L1 and the third imaginary straight line L3 connecting the center line CL1 and the third positioning lance 43 is around the center line CL1 of the terminal body 21. Large, less than 180 degrees. Therefore, compared with the stylus of the patent document 1 in which the pair of lances are arranged at an interval of 180 degrees or more around the center line, the socket is easily placed in the direction around the center line CL1 of the socket terminal 20 when the accommodating portion 11 is accommodated. The terminal 20 is locked to the locking portion 12 of the housing 10. As a result, the socket terminal 20 capable of reducing the fall-off from the casing 10 can be realized.

In addition, each of the positioning lances 41, the positioning lances 42, and the positioning lances 43 are arranged at equal intervals in the circumferential direction on the circumference of the circle centering on the center line CL1 as viewed in the extending direction of the center line CL1. Thereby, the socket terminal 20 capable of more reliably reducing the falling off of the casing 10 can be realized.

Further, the terminal body 21 has a wire guiding surface 24 that guides the movement of the electric wire 2 in the extending direction of the center line CL1 when the conductor portion 5 of the electric wire 2 is connected to the connecting portion 22. By the wire guiding surface 24, the electric wire 2 can be smoothly moved in the extending direction of the center line CL1, so that the conductor portion 5 of the electric wire 2 can be easily connected to the connecting portion 22.

Further, the terminal body 21 has a pair of electric wire holding portions 23 that can sandwich the insulating portion 6 of the electric wire 2 when the conductor portion 5 of the electric wire 2 is connected to the connecting portion 22. By the pair of electric wire holding portions 23, the load applied to the conductor portion 5 of the electric wire 2 when connected to the connecting portion 22 can be reduced.

Further, since the connector 1 includes the socket terminal 20, the connector 1 can be easily detached from the casing 10 and the connector 1 can be easily assembled.

In the socket terminal 20, the resin positioning portion 50 includes a cylindrical guide wall portion 51 having a through hole 53 extending along the center line CL1, and a positioning wall portion 52 for cutting a part of the terminal body 21 It is formed so that the inside of the guide wall portion 51 blocks the through hole 53 in the extending direction of the center line CL1. Then, the positioning wall portion 52 has a locking convex portion 54 that protrudes from the positioning wall portion 52 toward the outside of the resin positioning portion 50, and the guiding wall portion 51 has the locking convex portion 54 locked to restrict the positioning with respect to the guiding wall portion 51. The locking recess 55 at the position of the wall portion 52. Therefore, for example, when the covering portion 3 is molded by the resin, even if the resin flows into the inside of the resin positioning portion 50 from the lance portion 40 side, the resin portion can be suppressed from being formed in the contact portion 30 by the positioning wall portion 52. In the portion 60, it is possible to suppress a decrease in the connection performance of the socket terminal 20 caused by the resin.

Further, the guide wall portion 51 has a cylindrical shape including a cylindrical through hole 53 having a circular plate shape, and the locking projection portion 54 and the cutting residual portion 56 of the positioning wall portion 52 with respect to the positioning wall portion 52 are provided. The center of the disk shape is disposed on the opposite side of the radial direction. Thereby, the position of the positioning wall portion 52 with respect to the guide wall portion 51 can be more surely restricted.

Further, since the connector 1 includes the socket terminal 20, the connector 1 having high connection performance can be realized.

In the socket terminal 20, the contact portion 30 has a position regulating portion 31 provided at the front end of the one end portion 211 side of the terminal body 21, and is included in the inner circumferential surface of the casing 10 constituting the housing portion 11. 13 an endless belt portion 34 extending in the circumferential direction. By the position regulating portion 31, the position of the contact portion 30 in the direction orthogonal to the extending direction of the accommodating portion 11 when the socket terminal 20 is housed in the accommodating portion 11 is restricted, so that the one end portion 211 of the terminal body 21 can be suppressed. Shake. As a result, the contact reliability with respect to the receptacle terminal 20 of the plug terminal 120 can be improved.

Further, a distal end portion 36 that is closer to the position regulating portion 31 in the extending direction of the elastic contact portion 33 is provided with a curved portion 38 that is curved in a direction away from the center line CL1 in the width direction of the terminal body 21. When the plug terminal 120 is inserted into the accommodating portion 11, the elastic contact portion 33 can be easily elastically deformed in the width direction of the terminal body 21 and away from the center line CL1 by the bent portion 38.

Further, the contact portion 30 has a pair of elastic contact portions 33 which are provided at one end portion 211 in the width direction of the terminal body 21 and the other end portion 212 in the width direction, and are symmetrically arranged with respect to the center line CL1. Thereby, the plug terminal 120 inserted into the accommodating portion 11 can be sandwiched by the pair of elastic contact portions 33, so that the contact reliability with respect to the receptacle terminal 20 of the plug terminal 120 can be further improved.

In addition, the position regulating portion 31 is configured such that the outer peripheral surface of the endless belt portion 34 of the position regulating portion 31 and the inner peripheral surface 13 of the casing 10 are in contact with each other when the accommodating portion 11 is accommodated. Thereby, the shaking at the one end portion 211 of the terminal body 21 can be more reliably suppressed.

According to the connector 1, since the socket terminal 20 is included, the connector 1 having high contact reliability can be realized.

Further, the locking portion 12 of the casing 10 is not limited to the notch portion 12, and may be configured to be able to lock the lance 40 of the socket terminal 20 in the extending direction of the center line CL1 of the socket terminal 20.

Further, the locking portion 12 is not limited to the case where the four cutout portions 12 are respectively attached to the respective housing portions 11 . For example, two cutout portions may be attached to the adjacent two housing portions 11 . To form the locking portion.

The position regulating portion 31 of the contact portion 30 is not limited to the case where it is provided at the tip end of the one end portion 211 side of the terminal body 21. The position regulating portion 31 can be provided at an arbitrary position between the distal end of the one end portion 211 side of the terminal body 21 and the resin positioning portion 50.

The endless belt portion 34 of the position regulating portion 31 is not limited to the case of having substantially the same width W, and may have a plurality of different widths. In other words, the annular band portion 34 can have any shape as long as it can restrict the position of the contact portion 30 in the direction orthogonal to the extending direction of the accommodating portion 11 by the outer peripheral surface thereof.

The elastic contact portion 33 may be elastically deformed in a direction away from the center line CL1 in the width direction of the terminal body 21 as long as it contacts the plug terminal 120 inserted into the accommodating portion 11. For example, the elastic contact portion 33 is not limited to a flat plate shape, and may be a plate shape curved along the endless belt portion 34 of the position regulating portion 31. The base end portion 37 may be connected to the resin positioning portion 50 instead of the terminal body 21. .

In addition, the elastic contact portion 33 is not limited to a case where a pair is provided on both sides in the width direction of the terminal body 21, and may be provided at least one end portion of the terminal body 21 in the width direction.

Further, each of the elastic contact portions 33 is not limited to being arranged symmetrically with respect to the center line CL1, and may be disposed asymmetrically with respect to the center line CL1.

In the above embodiment, the first positioning lance 41 is set as the first positioning lance, the second positioning lance 42 is set as the second positioning lance, and the third positioning lance 43 is set to the third. Positioning spears, but is not limited to this. For example, the first positioning lance 41 may be the second positioning lance, the second positioning lance 42 may be the third positioning lance, and the third positioning lance 43 may be used for the third positioning. spear.

The lance 40 may have at least three positioning lances 41, a positioning lance 42, and a positioning lance 43. For example, the lance 40 may have a fourth positioning spear in addition to the first positioning lance 41 to the third positioning lance 43.

The wire holding portion 23, the wire guiding surface 24, and the resin positioning portion 50 can be omitted in accordance with the design of the socket terminal 20 and the like.

The guide wall portion 51 of the resin positioning portion 50 is not limited to a cylindrical shape as long as it has a tubular shape.

The positioning wall portion 52 only needs to block the through hole 53 inside the guiding wall portion 51. In other words, the positioning wall portion 52 is not limited to have a disk shape, and may have another shape, and may be provided at any position in the extending direction of the center line CL1 of the socket terminal 20 inside the guiding wall portion 51.

Further, the positioning wall portion 52 is not limited to being formed by being cut and raised from the lance portion 40 side toward the contact portion 30 side, and as shown in FIG. 11, may be cut from the side of the contact portion 30 toward the lance portion 40 side. Formed from the ground up. By forming the positioning wall portion 52 by cutting from the side of the contact portion 30 toward the lance 40 side, it is possible to more reliably suppress the formation of the resin sealing portion 60 in the contact portion 30.

The locking convex portion 54 of the positioning wall portion 52 may be provided in the portion of the positioning wall portion 52 that is cut and raised, and the cutting residual portion 56 of the locking convex portion 54 and the positioning wall portion 52 is not limited to the positioning wall. The center of the portion 52 is disposed on the opposite side of the radial direction.

The positioning wall portion 52 is not limited to the case where a part of the terminal body 21 is cut and stood up. If possible, a part of the guiding wall portion 51 may be cut and raised, and the terminal body 21 and the guiding body may be formed. A part of the wall portion 51 is cut and raised to form.

In the above embodiment, the socket terminal 20 as an example of the connector terminal and the receptacle connector 1 including the socket terminal 20 have been described, but the present disclosure can also be applied to the removal of the contact portion 30 as shown in FIG. The plug terminal 120 and a plug connector including the plug terminal 120. That is, the plug terminal 120 has the same configuration as the socket terminal 20 except for the substantially cylindrical contact portion 130 that extends along the center line CL1.

The various embodiments of the present disclosure have been described in detail above with reference to the drawings, and the various aspects of the present disclosure are described. In the following description, as an example, reference numerals are also added to describe them.

The socket terminal 20 according to the first aspect of the present disclosure is a socket terminal 20 that can be housed in the housing portion 11 of the receptacle connector 1 and that can be connected to an electric wire. The receptacle connector 1 has an insulative housing 10, and the housing 10 The receiving portion 11 is inserted into the plug terminal 120, and the socket terminal 20 includes:
The terminal body 21 is extended along the center line CL1;
The contact portion 30 is disposed at one end portion 211 of the extending direction of the terminal body 21 to contact the plug terminal 120 that has been inserted into the receiving portion 11;
a lance 40 disposed at the other end portion 212 of the extending direction of the terminal body 21, determining a position of the center line CL1 of the socket terminal 20 in the extending direction of the receiving portion 11; and a connecting portion 22, Disposed between the contact portion 30 and the lance 40, the conductor portion 5 of the electric wire 2 can be connected;
The contact portion 30 has:
The position regulating portion 31 includes an endless belt portion 34 extending in the circumferential direction of the inner peripheral surface 13 of the casing 10 constituting the accommodating portion 11, and is provided by the outer peripheral surface of the endless belt portion 34. The position of the contact portion 30 in a direction orthogonal to the extending direction of the accommodating portion 11 when being accommodated in the accommodating portion 11 is restricted, and the plug terminal 120 can be inserted into the endless belt portion 34 And an elastic contact portion 33 provided between the position regulating portion 31 and the connecting portion 22 and at one end portion of the terminal body 21 in the width direction intersecting with the extending direction of the center line CL1, One end portion in the width direction is along the center line CL1 toward the position regulating portion 31, and is elongated in the width direction in a direction close to the center line CL1, and contacts the insertion chamber The plug terminal 120 of the accommodating portion 11 is elastically deformable in a direction away from the center line CL1 in the width direction.

According to the socket terminal 20 of the first aspect, the contact portion 30 has the position regulating portion 31 provided at the tip end of the one end portion 211 of the terminal body 21, and is included in the inner circumference of the casing 10 constituting the housing portion 11. The endless belt portion 34 of the surface 13 extending in the circumferential direction. By the position regulating portion 31, the position of the contact portion 30 in the direction orthogonal to the extending direction of the accommodating portion 11 when the socket terminal 20 is housed in the accommodating portion 11 is restricted, so that the one end portion 211 of the terminal body 21 can be suppressed. Shake. As a result, the contact reliability with respect to the receptacle terminal 20 of the plug terminal 120 can be improved.

In the socket terminal 20 of the second aspect of the present disclosure,
The elastic contact portion 33 has a flat plate shape including a plate surface in the width direction.
A bent portion 38 that is curved in a direction away from the center line CL1 in the width direction is provided at a front end portion of the elastic contact portion 33 in the extending direction of the position regulating portion 31.

According to the socket terminal 20 of the second aspect, when the plug terminal 120 is inserted into the accommodating portion 11, the elastic contact portion 33 can be easily made in the width direction of the terminal body 21 and away from the center line CL1 by the curved portion 38. Perform elastic deformation.

In the socket terminal 20 of the third aspect of the present disclosure,
The contact portion 30 has one end portion of the terminal body 21 in the width direction and the other end portion in the width direction, and the pair of the elastic contacts that are symmetrically arranged with respect to the center line CL1 Part 33.

According to the socket terminal 20 of the third aspect, the plug terminal 120 inserted into the accommodating portion 11 can be sandwiched by the pair of elastic contact portions 33, so that the contact reliability with respect to the receptacle terminal 20 of the plug terminal 120 can be further improved.

In the socket terminal 20 of the fourth aspect of the present disclosure,
When the position regulating portion 31 is housed in the accommodating portion 11, the outer circumferential surface of the annular band portion 34 of the position regulating portion 31 and the inner circumferential surface 13 of the casing 10 are mutually It is constructed by means of contact for position limitation.

According to the socket terminal 20 of the fourth aspect, the rattling of the one end portion 211 of the terminal body 21 can be more reliably suppressed.

The socket connector 1 of the fifth aspect of the present disclosure includes:
The socket terminal 20 and the housing 10 have the receiving portion 11 in which the socket terminal 20 is housed.

According to the receptacle connector 1 of the fifth aspect, since the receptacle terminal 20 is included, the connector 1 having high contact reliability can be realized.

Further, by appropriately combining any of the various embodiments and modifications of the above-described various embodiments and modifications, the respective effects can be obtained. In addition, combinations of the embodiments, combinations of the embodiments, or combinations of the embodiments and the embodiments may be performed, and combinations of the features of the different embodiments or the embodiments may be performed.

The present disclosure is fully described in connection with the preferred embodiments with reference to the accompanying drawings. However, various modifications and changes will be apparent to those skilled in the art. Such variations and modifications are to be understood as included within the scope of the present disclosure as set forth in the appended claims.
[Industrial availability]

The connector terminal of the present disclosure can be applied, for example, to a connector used in a machine tool for an automobile.

Further, the connector of the present disclosure can be applied to, for example, a machine tool for an automobile.

1‧‧‧Connector (socket connector)

2‧‧‧Wire

3‧‧‧ Covering Department

4‧‧‧ Fixed Department

5‧‧‧Conductor Department

6‧‧‧Insulation

10‧‧‧shell

101‧‧‧Outside

102‧‧‧Inside

103‧‧‧ openings

11‧‧‧ Housing Department

12‧‧‧Incision section (an example of a locking part)

13‧‧‧ inner circumference

20‧‧‧Socket terminal (an example of a connector terminal)

21‧‧‧ terminal body

211‧‧‧1st end (one end)

212‧‧‧2nd end (the other end)

213‧‧‧Plug terminal housing

22‧‧‧Connecting Department

23‧‧‧Wire clamping

24‧‧‧Wire guiding surface

26‧‧‧Terminal guide surface

30, 130‧‧‧Contacts

31‧‧‧Location Restriction Department

33‧‧‧Flexible contact

34‧‧‧Ring belt

36‧‧‧ front end

37‧‧‧ base end

38‧‧‧Bend

40‧‧‧ spear

41‧‧‧1st positioning spear

411‧‧‧Bend

42‧‧‧2nd positioning spear

421‧‧‧Bend

43‧‧‧3rd positioning spear

431‧‧‧Bend

50‧‧‧Resin Positioning Department

51‧‧‧ Guide wall

52‧‧‧ Positioning wall

53‧‧‧through holes

54‧‧‧Snap convex

55‧‧‧Card recess

56‧‧‧Cutting residue

57‧‧‧through holes

60‧‧‧ resin seal

120‧‧‧plug terminal

201‧‧‧1st component

202‧‧‧2nd component

203‧‧‧3rd component

204, 205‧‧‧ outside side

551, 552‧‧ ‧ recess

CL1～CL3‧‧‧ center line

W‧‧‧Width

L1‧‧‧ imaginary straight line (first imaginary straight line)

L2‧‧‧ imaginary straight line (2nd imaginary straight line)

L3‧‧‧ imaginary straight line (third imaginary straight line)

L4, L5, L11, L12, L21, L22, L31, L32‧‧‧ imaginary straight lines

D1, D2‧‧‧ thickness direction

Θ1～θ3, θ11, θ12‧‧‧ angle

CP‧‧‧ center point

1 is a perspective view of a connector of an embodiment of the present disclosure.

FIG. 2 is a perspective view showing a state in which the electric wire and the covering portion are omitted from the connector of FIG. 1.

Fig. 3 is a cross-sectional view taken along line III-III of Fig. 1;

4 is a perspective view of a socket terminal as a terminal for a connector according to an embodiment of the present disclosure.

Fig. 5 is a perspective view showing a contact portion of the socket terminal of Fig. 4;

Fig. 6 is a plan view showing a lance portion of the socket terminal of Fig. 4;

Fig. 7 is a plan view of the lance portion side of the socket terminal of Fig. 4 as seen from the extending direction of the center line of the socket terminal.

Fig. 8 is a cross-sectional view taken along line VIII-VIII of Fig. 4;

Fig. 9 is an enlarged view of the vicinity of the resin positioning portion 50 in the cross-sectional view of Fig. 8.

Fig. 10 is a plan view for explaining a forming step of a resin positioning portion of the socket terminal of Fig. 4;

Fig. 11 is a cross-sectional view for explaining a modification of the socket terminal of Fig. 4;

Fig. 12 is a perspective view of a plug terminal of a connector terminal as an embodiment of the present disclosure.

Claims (5)

A socket terminal is a socket terminal that can be received in an accommodating portion of a socket connector and can be connected to an electric wire, the socket connector having an insulating housing, and the housing is provided with the accommodating portion into which the plug terminal can be inserted The socket terminal includes: Terminal body, extending along the center line; The contact portion is disposed at one end of the terminal body in the extending direction, and is capable of contacting the plug terminal inserted into the receiving portion; a lance portion disposed at the other end of the extending direction of the terminal body, determining a position of an extension direction of the center line of the socket terminal in the accommodating portion; a connecting portion disposed between the contact portion and the lance, capable of connecting a conductor portion of the electric wire; The contact portion has: The position regulating portion includes an endless belt portion extending in the circumferential direction of the inner peripheral surface of the casing constituting the accommodating portion, and is restrained from being accommodated by the outer peripheral surface of the endless belt portion. The position of the contact portion in a direction orthogonal to the extending direction of the accommodating portion in the accommodating portion, and the plug terminal can be inserted into the inside of the endless belt portion; The elastic contact portion is provided between the position regulating portion and the connecting portion, and has one end portion in the width direction intersecting with the extending direction of the center line of the terminal body at one end portion in the width direction Along the center line toward the position restricting portion, and extending in the width direction in a direction toward the center line, and contacting the plug terminal inserted into the receiving portion and capable of being Elastically deformed in a direction away from the center line in the width direction. The socket terminal according to claim 1, wherein The elastic contact portion has a flat plate shape including a plate surface in the width direction. A front end portion that is closer to the position regulating portion in the extending direction of the elastic contact portion is provided with a curved portion that is curved in a direction away from the center line in the width direction. Such as the socket terminal described in claim 1 or 2, wherein The contact portion has a pair of the elastic contact portions that are disposed at one end portion in the width direction of the terminal body and the other end portion in the width direction, and are symmetrically arranged with respect to the center line. The socket terminal according to any one of claims 1 to 3, wherein When the position regulating portion is housed in the accommodating portion, the outer peripheral surface of the endless belt portion of the position restricting portion is in contact with the inner peripheral surface of the casing to perform position restriction. Way composition. A socket connector comprising: The socket terminal according to any one of claims 1 to 4; The housing has the receiving portion that houses the socket terminal.