JP2011154947A - Connection structure of connector terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connection structure of a connector terminal aimed at cost reduction as well as downsizing and thinning of a connector, through simplification of a structure of the terminal. <P>SOLUTION: A first terminal 60 equipped with a sliding contact face 61b parallel with a connector insertion-coupling direction on an outside face of a wire connecting part 61 is housed inside a male connector housing 1A, and at the same time, a guide groove 25 with the sliding contact face faced outside is formed at the male connector housing. A second terminal 160 of a linear spring shape coming in elastic contact with the first terminal by being inserted along the guide groove at connector insertion coupling is provided inside an opening of a female connector housing 110, and a reverse flat-V shaped spring part 161 in sliding contact with the sliding contact face 61b of the first terminal in accordance with the insertion coupling of the connectors is provided at the second terminal. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a connection structure of a connector terminal on a male connector side and a connector terminal on a female connector side.

  When connecting the connector terminal on the male connector side and the connector terminal on the female connector side, usually a structure that fits the female terminal and the male terminal is adopted, and the box for inserting the male terminal into the front part of the female terminal And a spring piece for holding the inserted male terminal with the inner wall of the box portion is provided inside the box portion.

  FIG. 9 shows an example of a female terminal with a box (see, for example, Patent Document 1). The female terminal 500 is provided with a box portion 501 with a spring piece 510 in the front, and a conductor connecting portion 502 connected to the exposed conductor at the tip of the electric wire and a covered portion of the electric wire on the rear side of the box portion 501. The structure is provided with a covering connection portion 503 to be connected.

No. 2003-187893

  By the way, when adopting the female terminal 500 having the box portion 501 at the front portion as in the conventional example of FIG. 9, the structure of the terminal is inevitably complicated and the size of the terminal is increased. There is a problem that the cost is increased and there is a limit to the miniaturization and thinning of the connector.

  In view of the above circumstances, an object of the present invention is to provide a connector terminal connection structure capable of reducing cost and reducing the size and thickness of a connector by simplifying the structure of the terminal.

  In order to solve the above problems, the invention of claim 1 is a connection structure of a first connector terminal accommodated in a male connector housing and a second connector terminal accommodated in a female connector housing. As the first connector terminal, a first terminal having a sliding contact surface parallel to the fitting direction of the male connector housing and the female connector housing is accommodated on the outer surface of the electric wire connecting portion. A guide groove that faces the sliding contact surface to the outside is formed along a fitting direction of the male connector housing and the female connector housing, and the second connector terminal is provided inside the opening of the female connector housing as the second connector terminal. Inserted along the guide groove when the male connector housing and female connector housing are mated. Thus, a wire spring-like second terminal that elastically contacts the one terminal is provided, and the sliding contact surface of the first terminal is fitted to the second terminal when the male connector housing and the female connector housing are fitted. A character-shaped spring portion for sliding contact is provided.

  The invention of claim 2 is the connector terminal connection structure according to claim 1, wherein the second terminal has a proximal end fixed to the inner wall of the opening of the female connector housing, and a distal end is a front end as a free end. And is provided as a wire spring-like terminal having the U-shaped spring portion formed at the tip thereof, and the spring portion is in sliding contact with the sliding contact surface of the first terminal. When the second terminal is bent, the contact portion provided at the tip of the spring portion contacts the inner wall in the opening of the female connector housing, so that the second terminal serves as a spring for supporting both ends. It is configured to generate a force.

  A third aspect of the present invention is the connector terminal connection structure according to the first or second aspect, wherein the male connector housing is a rectangular plate-shaped first housing and a rectangular shape superimposed on the plate surface of the first housing. A plate-like second housing, the first housing and the second housing are integrally connected to each other via a hinge, and the first housing and the second housing are connected to the first housing. Locking means for integrally locking the first housing and the second housing is provided, and the first terminal and the electric wire extending from the first terminal are provided on the overlapping surface of the first housing and the second housing. A cavity for accommodating the vicinity of the tip is formed.

  According to the first aspect of the present invention, the first terminal having the sliding contact surface parallel to the connector fitting direction is accommodated in the outer surface of the electric wire connecting portion inside the male connector housing, and the sliding is placed in the male connector housing. A linear spring that elastically contacts the first terminal by forming a guide groove that faces the dynamic contact surface to the outside, and being inserted into the opening of the female connector housing along the guide groove when the connector is fitted. Since the second terminal is provided with a letter-shaped spring portion that comes into sliding contact with the sliding contact surface of the first terminal when the connector is fitted, the first terminal and The second terminal can be formed in a very simple shape having no box part, and the cost of the connector can be reduced and the connector can be reduced in size and thickness.

  According to the invention of claim 2, since the second terminal can function as a both-end support spring when the connector is fitted, a strong contact pressure can be generated between the first terminal and the second terminal, and the electric connection The reliability can be improved.

  According to the invention of claim 3, the male connector housing is composed of a first housing and a second housing connected by hinges, and the plate surfaces of both housings are overlapped, so that the cavity provided on the overlapping surface is formed. Since the first terminal is accommodated, a lance for fixing the terminal is unnecessary, and the connector can be made thinner and smaller.

It is a perspective view which shows the state in the middle of the assembly of the male connector for obtaining the connection structure of embodiment of this invention. It is a perspective view which shows the assembly completion state of the same male connector. It is a sectional side view of the same male connector. It is AA arrow sectional drawing of FIG. It is a BB arrow sectional view of Drawing 3. (A) is a perspective view which shows the structure of the crimp terminal as a 1st terminal used for the said male connector, (b) is a perspective view which shows the structure of the press-contact terminal as the alternative. It is an external appearance perspective view which shows the state which fitted the male connector and the female connector. It is a sectional side view which shows the state which fitted the male connector and female connector of FIG. It is a perspective view which shows the structure of the conventional female terminal.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 is a perspective view showing a state in the middle of the assembly of the male connector for obtaining the connection structure of the embodiment, FIG. 2 is a perspective view showing a completed state of the assembly of the male connector, FIG. 3 is a side sectional view of the male connector, 4 is a cross-sectional view taken along the line AA in FIG. 3, FIG. 5 is a cross-sectional view taken along the line BB in FIG. 3, and FIG. 6A shows the configuration of the crimp terminal as the first terminal used in the male connector. 6 is a perspective view showing a configuration of a press contact terminal as an alternative, FIG. 7 is an external perspective view showing a state in which a male connector and a female connector are fitted, and FIG. 8 is a male connector of FIG. It is a sectional side view which shows the state which fitted the female connector.

  As shown in FIGS. 1 and 2, the male connector 1 used in the connection structure of the present embodiment includes a male connector housing 1 </ b> A made of synthetic resin and a plurality of electric wires 70 attached to the distal ends of the plurality of electric wires 70. The first terminal 60 is configured. The male connector housing 1A includes a rectangular strip-shaped first housing 10 that is long in the left-right direction, and a rectangular-plate-shaped second housing 20A that is superposed on an upper plate surface and a lower plate surface of the first housing 10. , 20B.

  Here, the lower second housing 20 </ b> B is formed in the shape of a strip having the same size as the first housing 10, but the upper second housing 20 </ b> A is a space in the center in the left-right direction of the first housing 10. It is divided into two pieces with a gap. Then, a male connector housing 1A composed of the first housing 10 and the second housings 20A and 20B is installed in the center space of the upper plate surface of the first housing 10 as shown in FIGS. A lock arm 18 having a lock protrusion (lock portion) 19 that locks with the lock portion 119 on the female connector housing 110 side when fitted into the opening 112 of the female connector housing 110 of the connector 100 is provided.

  The first housing 10 and the upper and lower second housings 20A and 20B are integrally connected to each other by a hinge 29 formed of a semi-cylindrical thin wall. The hinge 29 is arranged at the front end edges of the first housing 10 and the second housings 20A and 20B so as to be located at the front end of the male connector housing 1A, and thereby the second housing 20A with respect to the first housing 10. 20B are connected to open and close the rear end side with the hinge 29 as a fulcrum.

  The first housing 10 and the second housings 20A and 20B are integrally formed with a lock projection 13 and a lock hole 23 (locking means) for locking the first housing 10 and the second housings 20A and 20B in a state of being overlapped. Is provided. Here, the lock projections 13 project from the upper and lower plate surfaces of the first housing 10, and the lock holes 23 are provided through the second housings 20A and 20B. Two sets of the lock projection 13 and the lock hole 23 are provided for each of the second housings 20A and 20B so that they can be stably locked, and the terminal arrangement regions 11A and 11B on the plate surface of the first housing 10 are provided. It is arranged at the position to pinch. The terminal arrangement region 11A on the upper plate surface of the first housing 10 is provided separately on both sides of the lock arm 18, and the terminal arrangement region 11B on the lower plate surface is provided on the left and right sides of the first housing 10. It is provided over almost the entire direction.

  On the other hand, as shown in FIG. 6A, the first terminal (first connector terminal) 60 attached to the tip of the electric wire 70 has a crimping portion (electric wire connecting portion) 61 having a rectangular cross section in the front half portion. In the latter half, a cylindrical covering crimping portion 62 is provided that is crimped to a portion of the electric wire 70 with the covering. As shown in FIG. 5, the crimping portion 61 has a conductor 71 of an electric wire 70 placed on a flat bottom plate 61c, and in this state, a pair of crimping pieces 61d and 61d rising from both side edges of the bottom plate 61c are bent inward. The upper surface 61a of the crimping portion 61 has irregularities due to the mating portion of the crimping piece 61d, but the lower surface 61b of the bottom plate 61c is a smooth surface without irregularities. The lower surface 61b is a portion corresponding to the sliding contact surface on the outer surface of the electric wire connecting portion, and is a surface parallel to the connector fitting direction in the assembled state. In addition, the cover crimping portion 62 is smaller in width than the crimping portion 61 but has a large height (diameter), and when viewed from the front of the terminal 60, it is higher than the upper surface 61 a and the lower surface 61 b of the crimping portion 61. Is protruding.

  As shown in FIG. 1, the overlapping surface of the first housing 10 and the second housings 20 </ b> A and 20 </ b> B accommodates a plurality of first terminals 60 attached to the tips of the wires 70 and the vicinity of the tips of the wires 70. Therefore, the cavities 12 and 22 are formed for each terminal 60. The cavities 12 and 22 are provided in the terminal arrangement regions 11A and 11B on the plate surface of the first housing 10 and regions corresponding to the second housings 20A and 20B, respectively. The housings 20A and 20B are arranged at regular intervals in the left-right direction.

  Each of the cavities 12 and 22 has an accommodating portion for accommodating the first terminal 60 at the front part of the first housing 10 and the second housings 20A and 20B, and accommodates an electric wire 70 extending rearward from the first terminal 60 at the rear part. Each of the receiving grooves is formed in a shape, and is set so that the electric wire 70 extends toward the side opposite to the side with the hinge 29 (rear side).

  In this case, as shown in FIG. 3, the cavity 12 on the first housing 10 side is formed as a recess that accommodates approximately half of the cross section of the wire crimping portion 62 of the electric wire 70 and the first terminal 60. The cavity 22 on the second housing 20 </ b> A, 20 </ b> B side is formed as a recess that accommodates the entire cross-section of the crimping portion 61 of the first terminal 60 and substantially half of the cross-section of the covering crimping portion 62 and the electric wire 70. Therefore, the accommodating portion for accommodating the first terminal 60 is mainly secured by the cavity 22 on the second housing 20A, 20B side, and the accommodating groove for accommodating the electric wire 70 is provided between the first housing 10 and the second housing 20A, 20B. The cavities 12 and 22 are allocated and secured.

  In particular, as shown in FIG. 4, a further first half portion of the front side portion of the second housing 20 </ b> A (same for 20 </ b> B) (the portion corresponding to the accommodating portion of the first terminal 60) is the first terminal 60. The crimping portion 61 of the first terminal 60 is formed as a terminal front half portion receiving portion 22a that can accommodate the whole, and the terminal front half portion receiving portion 22a has a crimping portion of the first terminal 60 on the periphery thereof. A claw 27 is formed to stop the drop-out when 61 is fitted. Note that these claws 27 are formed using die-cutting grooves 26 (see FIGS. 2 and 5) provided on both side edges of a guide groove 25 described later.

  Also, as shown in FIGS. 3 and 4, before and after the portion of the cavity 12, 22 of the first housing 10 and the second housing 20 </ b> A, 20 </ b> B that houses the covering crimping portion 62 of the first terminal 60, Locking walls (locking portions) 12 a and 24 that prevent the first terminal 60 from moving in the front-rear direction by engaging with the first terminal 60 are provided.

  Further, as shown in FIGS. 2, 7, and 8, along the front-rear direction (connector fitting direction) in which the male connector 1 and the female connector 100 are fitted to the front outer surface of each of the second housings 20A and 20B. A guide groove 25 is provided. Inside these guide grooves 25 are provided guide walls 28 over which the spring parts 161 of the second terminals 160 on the female connector 100 side ride.

  When assembling the male connector 1 having such a structure, first, as shown in FIG. 1, the first terminal 60 attached to the tip of the electric wire 70 and the electric wire 70 are inserted into the cavities 22 of the second housings 20 </ b> A and 20 </ b> B. Insert near the tip. At that time, as shown in FIG. 4, the first terminal 60 is secondly moved by the action of the claw 27 by fitting the crimping portion 61 of each first terminal 60 into the terminal front half accommodating portion 22 a of the cavity 22. It can be temporarily fixed to the housings 20A and 20B. When in the temporarily fixed state, approximately half of the cross-section of the cover crimping portion 62 of the first terminal 60 fits into a space continuous to the rear side of the terminal front half accommodating portion 22a, When the end contacts the locking wall 24 of the cavity 22, the first terminal 60 is positioned and fixed so that it does not come out rearward. In addition, substantially half of the cross section of the electric wire 70 extending to the rear side of the first terminal 60 is in a state of being fitted in a semicircular accommodation groove in the rear half of the cavity 22.

  Next, in this state, the second housing 20A, 20B is turned together with the electric wire 70 and the terminal 60, and the second housing 20A, 20B is rotated with the hinge 29 as a fulcrum. Overlay the lower plate. Then, the lock projections 13 are engaged with the lock holes 23, whereby the second housings 20A and 20B and the first housing 10 are locked. Further, substantially the other half of the cross section of the covering crimping portion 62 of the electric wire 70 and the first terminal 60 is accommodated in the cavity 12 on the first housing 10 side, and the front end of the covering crimping portion 62 is engaged with the locking wall 12a. By doing so, it is positioned so as not to move forward. Thereby, the assembly of the male connector 1 is completed.

  As described above, in the male connector 1, the male connector housing 1 </ b> A is configured by the first housing 10 and the second housings 20 </ b> A and 20 </ b> B connected by the hinge 29, and the plate surfaces of both the housings 10, 20 </ b> A and 20 </ b> B are formed. By overlapping, the cavities 12 and 22 provided on the overlapping surface are accommodated with the first terminal 60 and the tip of the electric wire 70, so a lance for fixing the first terminal 60 is unnecessary, The male connector 1 can be reduced in thickness and size.

  In addition, since the electric wire 70 extends on the opposite side of the hinge 29 connecting the first housing 10 and the second housing 20A, 20B, the first terminal 60 attached to the tip of the electric wire 70 is accommodated in the cavity 22, By simply rotating the first housing 10 and the second housings 20A, 20B in the closing direction with the hinge 29 as a fulcrum and overlapping them, the male connector 1 can be easily assembled without causing the electric wire 70 to get in the way. Moreover, since the hinge 29 is at the front end, the hinge 29 can close the gap at the front end of the male connector housing 1A (the gap between the overlapping surfaces of the first housing 10 and the second housings 20A and 20B). Intrusion into the cavities 12 and 22 can be prevented as much as possible.

  In addition, a terminal front half accommodating portion 22a for accommodating the entire crimped portion (front half) 61 of the first terminal is provided only on the overlapping surface of the first housing 10 on the second housing 20A, 20B side. Since the nail | claw 27 is provided in the peripheral edge of the part accommodating part 22a, and the fall of the accommodated 1st terminal 60 is carried out, there is no fear that the 1st terminal 60 accommodated once may come off, and the 1st housing 10 is easily The male connector 1 can be assembled by overlapping the second housings 20A and 20B.

  Further, the second housing 20A to be superimposed on the upper plate surface of the first housing 10 is divided into two, and a lock arm 18 for fixing the female connector 100 to the divided space on the plate surface of the first housing 10 is provided. Since it arrange | positions, compared with providing a lock arm in the outer surface of 2nd housing 20A, the thickness reduction of the whole male connector 1 is attained.

  Next, with reference to FIG.7 and FIG.8, the female connector 100 used with the male connector 1 and a set is demonstrated.

  This female connector 100 is of a type that is directly attached on the circuit board 200, and includes a female connector housing 110 made of a synthetic resin molded product having an opening 112 opened forward, and a plurality of female connector housings 110 mounted on the female connector housing 110. The wire spring-like second terminal (second connector terminal) 160.

  Of the inner surface of the opening 112 of the female connector housing 110, the ceiling wall and the bottom wall are provided with grooves 114 along the front-rear direction, and the front half of the second terminal 160 is accommodated in each groove 114. The second terminal 160 is integrated with the female connector housing 110 by embedding the middle portion in the length direction in the rear wall (the back wall of the opening 112) of the female connector housing 110, and the second half portion in the length direction. Is pulled out as a rear foot portion 165 in a shape bent in an L shape to the outside of the female connector housing 110. The female connector 100 is mounted on the circuit board 200 by soldering the tips of the rear legs 165 of the second terminals 160 to the lands 201 of the circuit board 200.

  Each second terminal 160 is electrically connected to the first terminal 60 of the male connector 1, and a spring bent in a U-shape at the front end of the front half housed in the opening 112 of the female connector housing 110. In addition to having a portion 161, a contact portion 162 that contacts the top wall and the bottom wall of the female connector housing 110 is provided at the distal end thereof. The spring part 161 is bent in a convex shape in a direction away from the ceiling wall and the bottom wall in a plane perpendicular to the ceiling wall and the bottom wall of the female connector housing 110. The abutting portion 162 abuts on the ceiling wall and the bottom wall of the female connector housing 110, and the proximal end side of the spring portion 161 (the intermediate portion in the length direction of the second terminal 160) is the rear wall of the female connector housing 110 ( By being embedded in the back wall 112a), it is possible to exhibit a strong spring property as a both-end support spring.

  In this case, the direction in which the spring portion 161 exerts the spring force is a direction perpendicular to the ceiling wall and the bottom wall of the female connector housing 110, and the spring portion 161 of the second terminal 160 on the ceiling wall side faces the ceiling wall. When pressed, it exerts a spring force in the opposite direction (away from the ceiling wall). Further, when the spring portion 161 of the second terminal 160 on the bottom wall side is pressed toward the bottom wall, it exerts a spring force in the opposite direction (the direction away from the bottom wall).

  When the male connector housing 1A and the female connector housing 110 are fitted together, the first half of the second terminal 160 (the portion including the spring portion 161 and the contact portion 162) is the second housing 20A, 20B of the male connector 1. Is inserted along the guide groove 25 provided in the first connector 60 to elastically contact the first terminal 60 inside the male connector housing 1A, and in particular, the spring portion 161 is used to fit the male connector housing 1A and the female connector housing 110. Accordingly, the first terminal 60 and the second terminal 160 are electrically connected by sliding contact with the smooth lower surface (sliding contact surface) 61 a of the first terminal 60.

  Further, the hinge 29 composed of a semi-cylindrical thin wall located at the front end edge of the first housing 10 and the second housing 20A, 20B constituting the male connector housing 1A can perform the following functions. Is formed. That is, when the male connector housing 1A and the female connector housing 110 are fitted and the lock portion 19 of the lock arm 18 is engaged with the lock portion 119 of the female connector housing 110 as shown in FIG. The lock portion 19 of the lock arm 18 is pressed against the inner wall 112a in the opening 112 of the female connector housing 110 by the elastic reaction force generated in the direction of arrow C in FIG. 8 (the direction opposite to the connector fitting direction). It is formed so that the engagement gap with the lock part 119 of the female connector 100 can be reduced.

  When the male connector 1 and the female connector 100 are fitted, the play between the lock portions 19 and 119 of the male / female connector can be absorbed by the elasticity of the hinge 29, so that the terminal 60 of the male connector 1 and the female connector 100 is absorbed. , 160 can prevent fine sliding wear at the contact portion.

  Further, since the spring portion 161 of the second terminal 160 is brought into sliding contact with the smooth lower surface (sliding contact surface) 61b of the crimping portion 61 of the first terminal 60, the first terminal 60 and the second terminal The 160 electrical connections can be made smoothly. In this case, the wire spring-like second terminal 160 is inserted into the guide groove 25 in accordance with the fitting of the male connector housing 1A and the female connector housing 110, so that it becomes difficult to move left and right, and it becomes a contact failure due to movement. Can be prevented. Further, since the second terminal 160 is accommodated in the guide groove 25, an effect of increasing the insulation between the adjacent terminals 160 is also obtained.

  In addition, the spring portion 161 is provided at the tip of the spring portion 161 when the second terminal 160 is bent by slidingly contacting the lower surface (sliding contact surface) 61b of the crimping portion 61 of the first terminal 60. Since the contact portion 162 is in contact with the inner wall (the ceiling wall or the bottom wall) in the opening 112 of the female connector housing 110, the second terminal 160 is configured to generate a spring force as a both-end support spring. In addition, a strong contact pressure can be generated between the first terminal 60 and the second terminal 160, and the reliability of electrical connection can be improved.

  Further, the first terminal 60 has a very simple structure having only the crimping portion 61 and the covering crimping portion 62 and no box portion, and the second terminal 160 is also shaped like a straight line. Since the spring portion 161 has a very simple structure, the cost of the connector can be greatly reduced while reducing the thickness and size of the connector.

  In the above embodiment, the crimp terminal 60 shown in FIG. 6A is taken as an example of the first terminal to be attached to the male connector 1, but the press contact terminal 65 is the first terminal as shown in FIG. 6B. It may be used as a terminal.

  The press contact terminal 65 includes a pair of a terminal body (electric wire connection portion) 66 having a U-shaped cross section having a flat bottom wall 66a and a pair of side walls 66b and 66b that rise from both side edges in the width direction of the bottom wall 66a. The side walls 66b and 66b are cut into two front and rear cuts 69, and a part of the side wall 66b is bent inward so that the leading edges of the bent pieces face each other with an appropriate gap, and the opposing leading edges are pressed against each other. 67 and 68. In the press contact terminal 65, the electric wire 70 is press-fitted from above into the inside of the terminal body 66 having a U-shaped cross section. Then, the front and rear press contact blades 67 and 68 cut through the coating and come into contact with a conductor (not shown) inside the electric wire 70, whereby the electric wire 70 and the terminal 65 are electrically and mechanically connected. In the press contact terminal 65, the lower surface of the bottom wall 66 a of the terminal body 66 serves as a sliding contact surface on which the spring portion 161 of the second terminal 160 comes into sliding contact.

  In the above embodiment, the lock protrusion 13 is provided on the first housing 10 side and the lock hole 23 is provided on the second housing 20A, 20B side. Conversely, the lock projection 13 is locked on the first housing 10 side. A hole may be provided, a lock protrusion may be provided on the second housing 20A, 20B side, or another type of lock means may be provided.

  Moreover, in the said embodiment, although the case where 2nd housing 20A, 20B was overlap | superposed on both the upper side and lower side of the 1st housing 10 was shown, you may make it overlap | superpose a 2nd housing only on one side. In such a case, the first housing 10 is also exposed to the outside in the same manner as the second housing. Therefore, a guide groove 25 for inserting the mating second terminal 160 is provided on the first housing 10 side. Also good.

  In the above-described embodiment, the first housing 60a is provided with the terminal first half housing portion 22a in which the entire first half (crimping portion) 61 of the first terminal 60 is housed in the cavity 22 on the second housing 20A, 20B side. The entire front half (crimp part) 61 of the first terminal 60 may be accommodated on the 10 side. In this case, the second housings 20A and 20B serve as a simple lid.

DESCRIPTION OF SYMBOLS 1 Male connector 1A Male connector housing 10 1st housing 12 Cavity 13 Lock protrusion (locking means)
20A, 20B Second housing 22 Cavity 23 Lock hole (locking means)
29 Hinge 60 Crimp terminal (first terminal)
61 Crimp part (wire connection part)
61b Bottom surface (sliding contact surface)
65 Pressure contact terminal (first terminal)
66 Terminal body (wire connection part)
70 Electric wire 100 Female connector 110 Female connector housing 112 Opening 112a Back wall 160 Second terminal 161 Spring portion 162 Contact portion

Claims (3)

In the connection structure of the first connector terminal accommodated in the male connector housing and the second connector terminal accommodated in the female connector housing,
A first terminal having a sliding contact surface parallel to the fitting direction of the male connector housing and the female connector housing on the outer surface of the electric wire connecting portion is accommodated in the male connector housing as the first connector terminal. In addition, a guide groove that faces the sliding contact surface to the outside is formed in the male connector housing along the fitting direction of the male connector housing and the female connector housing. As the second connector terminal, there is provided a wire spring-like second terminal that elastically contacts the one terminal by being inserted along the guide groove when the male connector housing and the female connector housing are fitted. When the male connector housing and the female connector housing are fitted to two terminals, the sliding contact surface of the first terminal Connecting structure of the connector terminal, wherein the shape of the spring portion of the sliding contact is provided. The connector terminal connection structure according to claim 1,
The second terminal is a wire spring in which a base end is fixed to the inner wall of the opening of the female connector housing, a front end extends forward as a free end, and a U-shaped spring portion is formed at the front end. Provided at the tip of the spring portion when the second terminal is bent by sliding contact with the sliding contact surface of the first terminal. The connector terminal connection structure, wherein the second terminal is configured to generate a spring force as a both-end support spring when the portion abuts against an inner wall in the opening of the female connector housing. The connector terminal connection structure according to claim 1 or 2,
The male connector housing is composed of a rectangular plate-shaped first housing and a rectangular plate-shaped second housing superimposed on the plate surface of the first housing, and the first housing and the second housing have a hinge. And a locking means for integrally locking at least one of the first housing and the second housing in a state where the first housing and the second housing are overlapped with each other. A connector terminal connection structure characterized in that a cavity for accommodating the first terminal and the vicinity of the tip of an electric wire extending from the first terminal is formed on the overlapping surface of the first housing and the second housing.

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