JP2014216179A - Planar terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a planar terminal capable of facilitating accurate fitting connection, by preventing backlash and vibration in the width direction of the terminal body, during the fitting operation to the terminal fitting portion on the other side.SOLUTION: A planar terminal includes a terminal body 11 formed in plate-shape elongated in the fitting direction, and a plurality of springs 12 projecting toward the outside of the terminal body 11 at a plurality of points on both side faces 11a of the terminal body 11 shifted in the fitting direction. The terminal body 11 is held by a pair of holding plates 27, 28 arranged to face the terminal fitting portion 21 of a connection partner, and the plurality of springs 12 on both sides of the terminal body 11 come into contact with a pair of sidewall plates 24, 25 covering the side of the pair of holding plates 27, 28 at the terminal fitting portion 21.

Description

  The present invention relates to a plate-like terminal fitted between a pair of clamping plates of a mating terminal fitting portion.

4 and 5 show a plate-like terminal disclosed in Patent Document 1 below.
The plate-like terminal 110 is fitted and connected to the terminal fitting portion 210 of the connection partner.

  The terminal fitting portion 210 is a substantially rectangular tube-like fitting portion provided in a female terminal fitting, and a pair of sandwiching plates 211 and 212 disposed opposite to each other, and a side of the pair of sandwiching plates 211 and 212. And a pair of side wall plates 213 and 214 covering the direction.

In the terminal fitting portion 210, one clamping plate 211 is provided with a raised portion 211a on which the plate-like terminal 110 can slide along the terminal fitting direction (the arrow X1 direction in FIG. 4). The other sandwiching plate 212 facing the sandwiching plate 211 is formed by folding back a tongue-like piece extending from the tip of the bottom plate 215 of the terminal fitting portion 210. The clamping plate 212 is provided with a spring property that presses the plate-like terminal 110 inserted between the clamping plate 211 to the clamping plate 211 side.
The pair of side wall plates 213 and 214 in the terminal fitting portion 210 are connected to both side edges of the bottom plate 215.

  The plate-like terminal 110 includes a terminal body 111 formed in a plate shape elongated in the fitting direction (the direction of arrow X1 in FIG. 4), and protrusions 112 provided on both side surfaces of the terminal body 111. . One protrusion 112 is provided on each side of the terminal body 111. As shown in FIG. 5, each protrusion 112 abuts against the pair of side wall plates 213 and 214 of the terminal fitting portion 210 and moves in the width direction of the plate-like terminal 110 (the direction of arrow Y1 in FIG. 5). To regulate.

  In the plate-like terminal 110 of Patent Document 1, the protrusion 112 fills a gap between the pair of side wall plates 213 and 214 during the fitting operation to the terminal fitting portion 210. Therefore, at the time of fitting operation to the terminal fitting portion 210, rattling in the width direction of the plate-like terminal 110 can be prevented and the fitting operation can be made smooth.

Japanese Utility Model Publication No. 7-16371

  However, in the case of the plate-like terminal 110 disclosed in Patent Document 1, during the fitting operation to the terminal fitting portion 210, as shown by the arrow M1 in FIG. There is a possibility that it may occur, and due to the swinging with the protruding portion 112 as a rotation fulcrum, the distal end side of the terminal main body 111 collides with the pair of side wall plates 213 and 214, causing inconvenience such as deformation or fitting connection. There was a risk of making it difficult.

  Accordingly, an object of the present invention is to solve the above-mentioned problems, and not only prevents rattling in the width direction of the terminal body during the fitting operation to the mating terminal fitting part, but also the width of the terminal body. It is an object of the present invention to provide a plate-like terminal that can also prevent deflection in the direction and can facilitate accurate fitting connection.

The above-described object of the present invention is achieved by the following configuration.
(1) A terminal body formed in a plate shape elongated in the fitting direction, and protruded toward the outside in the width direction of the terminal body at a plurality of positions shifted in the fitting direction on both side surfaces of the terminal body. A plurality of spring portions,
The terminal body is clamped by a pair of clamping plates arranged opposite to a terminal mating part of a connection partner, and the plurality of spring parts on both sides of the terminal body are on the side of the pair of clamping plates in the terminal fitting part. A plate-like terminal, which is in contact with a pair of side wall plates covering the side.

  (2) The plate-like shape as described in (1) above, wherein the plurality of spring portions arranged on both side surfaces of the terminal body are arranged symmetrically with respect to a central axis of the terminal body. Terminal.

  (3) The plurality of spring portions arranged on the same side surface of the terminal body are arranged such that a line connecting tips of the plurality of spring portions is a straight line parallel to the fitting direction. The plate-like terminal according to (1) or (2) above, wherein a protruding length from the side surface is set.

  According to the configuration of (1) above, during the fitting operation to the terminal fitting portion, the spring portions protruding on the both side surfaces of the terminal body come into contact with the pair of side wall plates in the terminal fitting portion, Restricts movement in the width direction. Therefore, rattling in the width direction of the plate-like terminal can be prevented during the fitting operation to the terminal fitting portion.

Moreover, according to the configuration of (1) above, the spring portions on the terminal main body that contact the pair of side wall plates in the terminal fitting portion are provided at a plurality of positions shifted in the fitting direction to the terminal fitting portion. The plurality of spring portions are simultaneously in contact with one side wall plate, thereby preventing the terminal body from swinging in the width direction using the contact point between the one spring portion and the side wall plate as a rotation fulcrum. .
In addition, the contact reliability can be improved by increasing the number of contacts with the side wall plate.

  That is, according to the configuration of the above (1), not only the terminal body is prevented from rattling in the width direction but also the terminal body is prevented from wobbling in the width direction during the fitting operation to the mating terminal fitting portion. This can be prevented, and an accurate fitting connection can be facilitated.

  According to the configuration of (2) above, the reaction force received by each spring portion from the side wall plate of the terminal fitting portion is canceled out by the spring portions arranged at positions symmetrical with respect to the central axis of the terminal body. Therefore, it is possible to prevent the terminal body in the middle of fitting from being inclined in the width direction by the reaction force received by each spring part. Therefore, it becomes easy to insert the said plate-shaped terminal straight into a terminal fitting part along a fitting direction.

  According to the configuration of (3) above, the plurality of spring portions that are in contact with the side wall plate of the terminal fitting portion function as a slide guide when the plate-like terminal is inserted straight along the fitting direction. Occurrence of oblique insertion that is inserted in a state where the pin-shaped terminal is inclined in the width direction can be prevented, and the operability when the plate-shaped terminal is fitted can be further improved.

  According to the plate-like terminal according to the present invention, not only the terminal body is prevented from rattling in the width direction but also the terminal body is prevented from wobbling in the width direction during the fitting operation to the mating terminal fitting portion. And an accurate mating connection can be facilitated.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

FIG. 1 is a perspective view of an embodiment of a plate-like terminal according to the present invention and a terminal fitting to which it is connected. FIG. 2 is a plan view of the plate-like terminal shown in FIG. FIG. 3 is a perspective view showing a state in which the plate-like terminal shown in FIG. 1 is fitted to the terminal fitting portion of the connection partner. FIG. 4 is a longitudinal sectional view of a state in which a conventional plate-like terminal is fitted to a terminal mating portion of a connection partner. FIG. 5 is a cross-sectional view taken along the line AA in FIG.

  Hereinafter, a preferred embodiment of a plate terminal according to the present invention will be described in detail with reference to the drawings.

  1 to 3 show an embodiment of a plate-like terminal according to the present invention. FIG. 1 is a perspective view of the plate-like terminal of the embodiment and a terminal fitting of a connection partner thereof, and FIG. FIG. 3 is a perspective view showing a state in which the plate-like terminal shown in FIG. 1 is fitted to the terminal fitting portion of the connection partner.

  The plate-like terminal 10 of this embodiment is a male terminal fitting that is fitted and connected to the terminal fitting portion 21 of the female terminal fitting 20 shown in FIG. The plate-like terminal 10 and the female terminal fitting 20 are press-formed products of metal plates.

  The plate-like terminals 10 of the present embodiment have two terminal bodies 11 formed in a substantially rectangular plate shape elongated in the fitting direction indicated by the arrow X2 in FIG. 1 and two on each side surface 11a of the terminal body 11. A spring portion 12 to be disposed and a wire connecting portion 13 integrally formed on the base end side of the terminal body 11 are provided.

  Each spring portion 12 is formed in a curved surface shape that protrudes outward in the width direction of the terminal body 11 (W1 direction in FIG. 2). In addition, each spring portion 12 is formed in an arch shape that leaves a gap 14 between the side surface 11 a of the terminal body 11, and thereby has a spring property that can be compressed in the width direction of the terminal body 11.

  The two spring portions 12 on both sides of the terminal body 11 are provided at two positions shifted in the fitting direction by a distance L1 (see FIG. 2).

  In the case of the present embodiment, the two spring portions 12 arranged on both side surfaces 11a of the terminal body 11 are arranged symmetrically with respect to the central axis O1 of the terminal body 11 as shown in FIG. .

  Furthermore, in the case of the present embodiment, as shown in FIG. 2, the two spring portions 12 arranged on the same side surface 11 a of the terminal body 11 are line m <b> 1 connecting the tips of the two spring portions 12. The protruding length from the side surface 11a of the terminal body 11 is set so that m2 is a straight line parallel to the fitting direction (the direction of the arrow X2 in FIG. 1).

  As shown in FIG. 1, the wire connection portion 13 in the plate-like terminal 10 is formed by extending crimping pieces 13 b on both sides of a bottom wall 13 a continuous with the base end of the terminal body 11. The electric wire connecting portion 13 is electrically connected to the electric wire conductor by caulking the caulking piece 13b on the electric wire conductor placed on the bottom wall 13a.

  As shown in FIG. 1, the female terminal fitting 20, which is a connection partner of the plate-like terminal 10, includes a terminal fitting portion 21 and a wire connecting portion 22 that continues to the base end of the terminal fitting portion 21.

  The terminal fitting portion 21 includes a bottom plate 23 in which the electric wire connecting portion 22 is integrally formed at the base end, and a pair of side wall plates 24 erected from both side edges of the bottom plate 23 and facing the width direction of the terminal body 11. 25 and an upper plate 26 connecting the upper edge portions of the pair of side wall plates 24, 25 are formed in a rectangular tube structure.

  The bottom plate 23 is equipped with a bottom side clamping plate 27 that extends from the front end thereof and is folded back to the upper side of the bottom plate 23. Further, the upper plate 26 is provided with an upper clamping plate 28 extending from the front end thereof and folded back to the lower side of the upper plate 26.

  The bottom side sandwiching plate 27 and the upper side sandwiching plate 28 are disposed to face each other in the vertical direction within the rectangular tube structure. The bottom-side sandwiching plate 27 and the upper-side sandwiching plate 28 make a pair with each other, sandwich the terminal body 11 inserted between the pair of sandwiching plates, and establish a conductive connection with the plate-like terminal 10.

  The pair of side wall plates 24 and 25 in the terminal fitting portion 21 covers the sides of the pair of sandwiching plates 27 and 28. The pair of side wall plates 24, 25 regulate the movement of the terminal body 11 in the width direction when the spring portions 12 on both sides of the terminal body 11 inserted between the pair of sandwiching plates 27, 28 come into contact with each other.

  As shown in FIG. 1, the wire connection portion 22 in the female terminal fitting 20 is formed by extending crimping pieces 22 b on both sides of a bottom wall 22 a that is continuous with the base end of the bottom plate 23. The electric wire connecting portion 22 is electrically connected to the electric wire conductor by caulking the caulking piece 22b on the electric wire conductor placed on the bottom wall 22a.

  The plate-like terminal 10 described above is configured such that the terminal body 11 is inserted between the pair of sandwiching plates 27 and 28 of the terminal fitting portion 21 along the fitting direction indicated by the arrow X2 in FIG. As shown in FIG. 3, the female terminal fitting 20 is fitted and connected.

  In the plate-like terminal 10 of the present embodiment, the spring portion 12 protruding on the both side surfaces 11a of the terminal body 11 during the fitting operation to the terminal fitting portion 21 is a pair of side wall plates 24 in the terminal fitting portion 21. 25, the movement of the terminal body 11 in the width direction is restricted. Therefore, rattling in the width direction of the plate-like terminal 10 can be prevented during the fitting operation to the terminal fitting portion 21.

  Further, in the plate-like terminal 10 of the present embodiment, the spring portion 12 on the terminal body 11 that contacts the pair of side wall plates 24 and 25 in the terminal fitting portion 21 is positioned in the fitting direction to the terminal fitting portion 21. The two spring portions 12 are simultaneously in contact with one side wall plate 24, 25, so that the contact between one spring portion 12 and the side wall plates 24, 25 is rotated. The terminal body 11 can be prevented from swinging in the width direction as a fulcrum.

  That is, in the plate-like terminal 10 according to the present embodiment, not only the terminal body 11 is prevented from rattling in the width direction but also in the width direction of the terminal body 11 during the fitting operation to the mating terminal fitting portion 21. Can be prevented, and an accurate fitting connection can be facilitated.

  Further, in the plate-like terminal 10 of the present embodiment, the spring portion 12 on each side surface 11 a is disposed symmetrically with respect to the central axis O <b> 1 of the terminal body 11. Therefore, the reaction force received by each spring portion 12 from the side wall plates 24, 25 of the terminal fitting portion 21 is canceled by the spring portions 12 arranged at positions symmetrical to the central axis O <b> 1 of the terminal body 11. Therefore, the reaction force received by each spring portion 12 can prevent the terminal body 11 in the middle of fitting from being inclined in the width direction. Therefore, it becomes easy to insert the said plate-shaped terminal 10 in the terminal fitting part 21 straight along a fitting direction.

  Further, in the plate-like terminal 10 of the present embodiment, a line connecting the tips of the spring portions 12 arranged on the same side surface 11 a of the terminal body 11 is a straight line parallel to the fitting direction of the plate-like terminal 10. Therefore, the two spring portions 12 that come into contact with the side wall plates 24 and 25 of the terminal fitting portion 21 function as a slide guide when the plate-like terminal 10 is inserted straight along the fitting direction. Occurrence of oblique insertion that is inserted while the terminal 10 is inclined in the width direction can be prevented, and the operability when the plate-like terminal 10 is fitted can be further improved.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  For example, the number of spring portions projecting on both side surfaces of the terminal body can be set to an appropriate value of 3 or more.

  Moreover, the specific structure of the spring part protrudingly provided on both side surfaces of the terminal body is not limited to the above-described embodiment. For example, instead of an arch shape in which both ends are coupled to the terminal body, a cantilever structure in which one end is separated from the terminal body may be employed.

  In addition, the plurality of spring portions arranged on the same side surface of the terminal body have side surfaces 11a of the terminal body 11 such that lines connecting the tips of the plurality of spring portions are straight lines n1 and n2 shown in FIG. You may make it set the protrusion length from. The straight lines n1 and n2 in FIG. 2 have an inclination angle at which the distance from the central axis O1 of the terminal body 11 increases toward the base end side of the terminal body 11.

  If it does in this way, the amount of deformation | transformation when the spring part 12 located in the base end side of the terminal main body 11 will contact the side wall board of a terminal fitting part will become larger than the spring part 12 located in the front end side. Therefore, an operation feeling in which the contact resistance gradually increases as the fitting of the terminal body 11 to the terminal fitting portion 21 proceeds can be provided.

  Here, the features of the above-described embodiment of the plate-like terminal according to the present invention will be briefly summarized and listed in the following [1] to [3], respectively.

[1] A terminal body (11) formed in a plate shape elongated in the fitting direction, and the terminal body at a plurality of positions shifted in the fitting direction on both side surfaces (11a) of the terminal body (11). A plurality of spring portions (12) projecting outward in the width direction of (11),
The terminal body (11) is clamped by a pair of clamping plates (27, 28) disposed opposite to the terminal mating part (21) of the connection partner, and the plurality of spring parts ( 12) contacts the pair of side wall plates (24, 25) covering the sides of the pair of clamping plates (27, 28) in the terminal fitting portion (21). ).

  [2] The plurality of spring portions (12) disposed on the both side surfaces (11a) of the terminal body (11) are disposed symmetrically with respect to the central axis (O1) of the terminal body (11). The plate-like terminal (10) according to [1] above, wherein

  [3] The plurality of spring portions (12) arranged on the same side surface (11a) of the terminal main body (11) have lines (m1, m2) connecting tips of the plurality of spring portions (12). The protrusion length from the side surface (11a) of the terminal body (11) is set so as to be a straight line parallel to the fitting direction, [1] or [2] Plate-like terminal (10).

DESCRIPTION OF SYMBOLS 10 Plate terminal 11 Terminal main body 11a Side surface 12 Spring part 21 Terminal fitting part 24,25 Side wall board 27 Bottom part side clamping board (clamping board)
28 Upper side clamping plate (Clamping plate)
O1 center axis

Claims (3)

A terminal body formed in a plate shape elongated in the fitting direction, and a plurality of springs protruding outward in the width direction of the terminal body at a plurality of positions shifted in the fitting direction on both side surfaces of the terminal body And comprising
The terminal body is clamped by a pair of clamping plates arranged opposite to a terminal mating part of a connection partner, and the plurality of spring parts on both sides of the terminal body are on the side of the pair of clamping plates in the terminal fitting part. A plate-like terminal, which is in contact with a pair of side wall plates covering the side.   The plate-shaped terminal according to claim 1, wherein the plurality of spring portions disposed on both side surfaces of the terminal body are disposed symmetrically with respect to a central axis of the terminal body.   The plurality of spring portions arranged on the same side surface of the terminal body have the side surface of the terminal body such that a line connecting tips of the plurality of spring portions is a straight line parallel to the fitting direction. The plate-like terminal according to claim 1, wherein a protruding length from the terminal is set.

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