WO2022270174A1 - 端子 - Google Patents
端子 Download PDFInfo
- Publication number
- WO2022270174A1 WO2022270174A1 PCT/JP2022/020198 JP2022020198W WO2022270174A1 WO 2022270174 A1 WO2022270174 A1 WO 2022270174A1 JP 2022020198 W JP2022020198 W JP 2022020198W WO 2022270174 A1 WO2022270174 A1 WO 2022270174A1
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- WO
- WIPO (PCT)
- Prior art keywords
- wall
- tab
- elastic
- piece
- elastic piece
- Prior art date
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- 230000013011 mating Effects 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims description 39
- 238000005520 cutting process Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
Definitions
- the present disclosure relates to terminals.
- Patent Document 1 As a terminal fitting used in automobiles and the like, the one described in Japanese Patent Application Laid-Open No. 2009-54504 (Patent Document 1 below) is conventionally known.
- This terminal fitting has a rectangular tubular portion into which the tab of the mating terminal is inserted from the front.
- An elastic contact piece is provided on the bottom wall of the square tube portion, and a receiving portion that protrudes downward is provided on the top wall of the square tube portion.
- a pair of left and right side walls of the rectangular tubular portion are formed with elastic pieces extending obliquely rearward in a cantilevered manner.
- the tab inserted into the rectangular tubular portion is sandwiched between the elastic contact piece and the receiving portion in the thickness direction, and is sandwiched between the pair of elastic pieces in the width direction.
- the elastic pressing force of the pair of elastic pieces suppresses the movement of the tab in the width direction, it is possible to suppress wear of the tab, the elastic contact piece, and the receiving portion. Therefore, the connection reliability between the terminal fitting and the mating terminal can be ensured even in a vibrating environment such as an automobile.
- the elastic contact piece may be deformed or the mating terminal may be prevented from being inserted into the square tube portion by bending the elastic piece inward of the square tube portion due to an external force. be done.
- the terminal of the present disclosure includes a square tubular portion into which a tab of a mating terminal is inserted from the front, an elastic contact piece provided inside the square tubular portion, and an elastic contact piece provided inside the square tubular portion, the tab being attached to the elastic contact piece. and a receiving portion for sandwiching, wherein the rectangular tubular portion includes a first wall on which the elastic contact piece is provided, a second wall on which the receiving portion is provided, and both side edges of the first wall. and a pair of side walls connecting both side edges of the second wall, the direction in which the pair of side walls face each other is defined as a first direction, and at least one of the pair of side walls extends along the first direction.
- An elastic piece is provided to press the side edge of the tab inwardly of the square tube portion and suppress the movement of the tab in the first direction.
- a stopper portion is provided to suppress the inward movement of the square tube portion in the first direction, the elastic piece includes a contact portion arranged to face the stopper portion in the first direction, and the The stopper portion is arranged between the elastic contact piece and the elastic piece in the first direction, and the contact portion and the stopper portion contact each other, so that the distal end portion of the elastic piece moves toward the elastic portion.
- FIG. 1 is a perspective view of a terminal according to a first embodiment
- FIG. FIG. 2 is a plan view of the terminal.
- FIG. 3 is a front view of the terminal.
- FIG. 4 is a left side view of the terminal.
- FIG. 5 is a cross-sectional view taken along line AA of FIG.
- FIG. 6 is a view showing a state in which the tab of the mating terminal is inserted into the rectangular tubular portion in the AA cross section of FIG.
- FIG. 9 is a view showing a state in which the tab of the mating terminal is inserted into the rectangular tubular portion in the CC section of FIG. 4.
- FIG. 10 is a cross-sectional view taken along line DD of FIG. 11 is a perspective view of a terminal according to a second embodiment;
- FIG. FIG. 12 is a left side view of the terminal.
- FIG. 13 is a front view of a terminal;
- 14 is a cross-sectional view taken along the line EE of FIG. 13.
- FIG. 15 is a view showing a state in which the tab of the mating terminal has started to be inserted into the square tube portion and is in contact with the tip of the elastic piece in the EE section of FIG. 13.
- FIG. 16 is a view showing a state in which the tab of the mating terminal is inserted into the rectangular tubular portion in the EE section of FIG. 13.
- the terminal of the present disclosure includes a square tubular portion into which a tab of a mating terminal is inserted from the front, an elastic contact piece provided in the square tubular portion, and an elastic contact piece provided in the square tubular portion together with the elastic contact piece.
- a receiving portion for sandwiching the tab wherein the square tubular portion includes a first wall provided with the elastic contact piece, a second wall provided with the receiving portion, and the first wall and a pair of side walls connecting both side edges of the second wall and both side edges of the second wall, the direction in which the pair of side walls face each other is defined as a first direction, and at least one of the pair of side walls
- An elastic piece is provided that presses a side edge of the tab inward of the square tube portion in one direction and suppresses movement of the tab in the first direction, and the square tube portion is the tip of the elastic piece.
- the elastic piece has an abutment portion disposed opposite to the stopper portion in the first direction.
- the stopper portion is arranged between the elastic contact piece and the elastic piece in the first direction. is suppressed from coming into contact with the elastic contact piece.
- the elastic piece suppresses the movement of the tab in the first direction, so that the tab, the elastic contact piece, and the receiving portion are prevented from being worn even in a vibrating environment, and the contact between the terminal and the mating terminal is suppressed. Connection reliability can be ensured.
- the abutment between the contact portion of the elastic piece and the stopper portion of the rectangular tubular portion can prevent the distal end portion of the elastic piece from moving inward of the rectangular tubular portion in the first direction. Since the stopper portion is arranged between the elastic contact pieces in the first direction, it is possible to prevent the tip portion of the elastic piece from contacting the elastic contact piece. Therefore, it is possible to suppress deformation of the elastic contact piece, poor connection between the terminal and the mating terminal, and the like.
- one of the first wall and the second wall includes the stopper portion.
- At least one of the pair of side walls is provided with the elastic piece, and one of the first wall and the second wall is provided with the stopper portion. easy to place.
- the second wall includes the stopper portion.
- the elastic piece includes a main body part elongated in the front-rear direction, and an extension part extending from a distal end of the main body part in a direction orthogonal to both the first direction and the front-rear direction, and the extension part preferably has the contact portion.
- the rectangular tubular portion includes a concave portion that is concave in the first direction, the concave portion includes the stopper portion, and the extending portion is arranged inside the concave portion.
- the tip portion of the elastic piece can be arranged inside the rectangular tubular portion in the first direction from the side wall on which the elastic piece is provided. .
- only one of the pair of side walls includes the elastic piece, and the other of the pair of side walls includes a pressing portion that clamps the tab together with the elastic piece in the first direction.
- the elastic piece and the pressing portion suppress the movement of the tab in the first direction, so that the connection reliability between the terminal and the mating terminal can be ensured even in a vibrating environment. Since the elastic piece is provided only on one of the pair of side walls, the tip of the elastic piece is less likely to move inward of the square tube portion than when the elastic piece is provided on both of the pair of side walls.
- the terminal of the present disclosure includes a square tubular portion into which a tab of a mating terminal is inserted from the front, an elastic contact piece provided in the square tubular portion, and an elastic contact piece provided in the square tubular portion together with the elastic contact piece.
- a receiving portion for sandwiching the tab wherein the square tubular portion includes a first wall provided with the elastic contact piece, a second wall provided with the receiving portion, and the first wall and a pair of side walls connecting both side edges of the second wall and the side edges of the second wall, the direction in which the pair of side walls face each other is defined as a first direction, and one of the pair of side walls is connected to the first direction.
- an elastic piece that presses a side edge of the tab toward the inside of the square tube portion in the direction to suppress movement of the tab in the first direction; and a projecting portion projecting inwardly of the.
- the elastic piece suppresses the movement of the tab in the first direction, so that the tab, the elastic contact piece, and the receiving portion are prevented from being worn even in a vibrating environment, and the contact between the terminal and the mating terminal is suppressed. Connection reliability can be ensured. Since the projecting portion is provided in front of the elastic piece, when the tab is inserted into the square tube portion, the tab hits the projecting portion before the elastic piece. Therefore, it is possible to suppress deformation of the elastic piece due to contact with the tab.
- the elastic piece extends in the front-rear direction, and the rear end of the elastic piece is connected to one of the pair of side walls. is preferably arranged.
- the tab is sandwiched between the protrusion and the other of the pair of side walls, so it is possible to further suppress wear of the tab, elastic contact piece, etc. in a vibrating environment.
- FIG. 1 Embodiment 1 of the present disclosure will be described with reference to FIGS. 1 to 10.
- FIG. The terminal 10 of the present embodiment is, for example, mounted on a vehicle such as an automobile and used in a vibrating environment in which vibration occurs.
- the direction indicated by arrow Z is upward
- the direction indicated by arrow X is forward
- the direction indicated by arrow Y is rightward.
- the terminal 10 is formed by pressing and bending a conductive metal plate. As shown in FIG. 1 , the terminal 10 includes a square tube portion 11 that is open in the front-rear direction at a substantially front half portion of the terminal 10, and a wire barrel B1 and an insulation barrel B2 that are arranged behind the square tube portion 11. Prepare. As shown in FIG. 6, a tab 41 of a mating terminal 40 is inserted into the rectangular tubular portion 11 from the front. The wire barrel B1 is crimped to the core wire of the covered electric wire (not shown), and the insulation barrel B2 is crimped to the insulation coating of the covered electric wire (not shown).
- the square tube portion 11 includes a first wall 12 arranged on the lower side of the square tube portion 11 , a second wall 13 facing the first wall 12 , and the first wall 12 and a pair of side walls 14 connecting the side edges of the second wall 13 and the side edges of the second wall 13 .
- the direction in which the pair of side walls 14 face each other is the left-right direction (an example of the first direction).
- One of the pair of side walls 14 is a third wall 14A arranged on the left side of the square tube portion 11 .
- the other side of one side wall 14 is a fourth wall 14B arranged on the right side of the square tubular portion 11 .
- the front end of the first wall 12 is provided with an elastic contact piece 15 folded backward.
- the elastic contact piece 15 extends obliquely upward and rearward in the rectangular tubular portion 11 in a cantilevered manner, and is bent downward.
- a contact portion 16 protruding upward is provided on the upper surface of the elastic contact piece 15 .
- the contact portion 16 is formed by hammering and has a spherical shape as a whole.
- FIG. 9 when the tab 41 of the mating terminal 40 is inserted into the rectangular tubular portion 11 , the lower surface of the tab 41 (the surface facing the first wall 12 ) is brought into contact with the apex of the contact portion 16 . It has become.
- an excessive deflection prevention portion 17 is provided below the elastic contact piece 15 of the first wall 12. As shown in FIG. 8, below the elastic contact piece 15 of the first wall 12, an excessive deflection prevention portion 17 is provided to suppress downward deformation of the elastic contact piece 15. As shown in FIG. A pair of excessive deflection prevention portions 17 are formed below the right and left ends of the elastic contact piece 15 by cutting and raising. As shown in FIG. 7, the first wall 12 has a locking portion 18 for locking the terminal 10 to a housing (not shown).
- the second wall 13 is provided with a receiving portion 19 projecting downward from the lower surface of the second wall 13 .
- the receiving portion 19 is formed by punching downward.
- the receiving portion 19 is composed of a pair of ridges 20 arranged in the left-right direction. As shown in FIG. 7, the ridge portion 20 is formed extending in the front-rear direction. The vertical distance between the lower end of the ridge portion 20 and the vertex of the contact portion 16 is set smaller than the vertical dimension of the tab 41 .
- FIG. 9 when the tab 41 is inserted into the rectangular tubular portion 11, the receiving portion 19 and the contact portion 16 of the elastic contact piece 15 sandwich the tab 41 vertically. there is Thereby, the terminal 10 and the mating terminal 40 are electrically connected.
- the second wall 13 has a recess 21 that is recessed rightward at the left end.
- the recessed portion 21 is arranged on the front side of the central position of the second wall 13 in the front-rear direction.
- the concave portion 21 includes a front surface 21A arranged on the front side, a rear surface 21B arranged on the rear side, and a stopper portion 22 connecting the right end portion of the front surface 21A and the right end portion of the rear surface 21B.
- the stopper portion 22 has a surface substantially parallel to the third wall 14A.
- the stopper portion 22 is arranged between the elastic contact piece 15 and an elastic piece 23 described later in the left-right direction (see FIG. 10).
- elastic pieces 23 are provided on the third wall 14A by cutting and raising.
- the elastic piece 23 has a cantilever shape extending forward from the rear portion of the third wall 14A.
- the elastic piece 23 is elastically deformable in the left-right direction with the base end of the rear end portion as a substantial fulcrum.
- the elastic piece 23 is provided so as to be located inward of the rectangular tube portion 11 toward the front as a whole, that is, to the right.
- a tip portion 23A which is a front end portion of the elastic piece 23, is bent to the outside of the rectangular tubular portion 11, that is, to the left.
- the rightmost portion of the elastic piece 23 is a pressing portion 24 .
- the pressing portion 24 is arranged at a position close to the contact portion 16 of the elastic contact piece 15 in the front-rear direction. As shown in FIG. 6 , the pressing portion 24 presses the side edge of the tab 41 inserted into the rectangular tubular portion 11 .
- the elastic piece 23 is substantially L-shaped in side view, and includes a main body portion 25 that is long in the front-rear direction and an upper portion (both in the first direction and the front-rear direction) from the tip of the main body portion 25 . and an extending portion 26 extending in an example of a direction perpendicular to the .
- the extending portion 26 is a portion above the tip portion 23A of the elastic piece 23 .
- the extension 26 is arranged inside the recess 21 of the second wall 13 .
- the tip portion 23A of the elastic piece 23 can be arranged inward (to the right) of the rectangular tubular portion 11 from the third wall 14A on which the elastic piece 23 is provided. Therefore, it is easy to provide the pressing portion 24 of the elastic piece 23 at a position where it contacts the left edge of the tab 41 .
- the elastic piece 23 is arranged so as not to protrude outward (to the left) of the rectangular tubular portion 11, the elastic piece 23 is less susceptible to external force.
- the extending portion 26 has a contact portion 27 that faces the stopper portion 22 in the left-right direction.
- the contact portion 27 and the stopper portion 22 contact each other.
- the fourth wall 14B is provided with a pressing portion 28 projecting leftward from the left surface of the fourth wall 14B.
- the pressing portion 28 is formed by hammering out the left side.
- the pressing portion 28 has a rectangular shape that is long in the front-rear direction and short in the vertical direction.
- the pressing portion 28 and the pressing portion 24 of the elastic piece 23 are arranged at a position slightly below the upper surface of the elastic contact piece 15 from the lower end of the receiving portion 19 in the vertical direction.
- the horizontal distance between the pressing portion 28 and the pressing portion 24 is set slightly smaller than the horizontal dimension of the tab 41 .
- projecting pieces 29 projecting downward from the rectangular tubular portion 11 are provided at the rear portions of the pair of side walls 14, respectively.
- the projecting piece 29 enters into a groove provided in the housing, thereby preventing the terminal 10 from being inserted upside down into the housing and guiding the insertion of the terminal 10 into the housing. It is designed to
- the configuration of the terminal 10 according to the present embodiment is as described above, and the movement of the distal end portion 23A of the elastic piece 23 of the terminal 10 in the left-right direction will be described below.
- the elastic piece 23 of the terminal 10 is provided by cutting and raising the third wall 14A, and is exposed to the outside. For this reason, it is conceivable that the distal end portion 23A of the elastic piece 23 tends to move inward of the rectangular tube portion 11 due to an external force.
- a contact portion 27 is provided on the tip portion 23A of the elastic piece 23, and a stopper portion 22 is provided on the second wall 13 so as to face the contact portion 27 in the left-right direction.
- the stopper portion 22 is arranged between the elastic contact piece 15 and the elastic piece 23 in the left-right direction, the contact of the tip portion 23A of the elastic piece 23 with the elastic contact piece 15 is suppressed. Therefore, the elastic contact piece 15 is deformed and the tab 41 of the mating terminal 40 is prevented from being inserted into the square tube portion 11 by bending the elastic piece 23 inward (to the right) of the square tube portion 11 . can be suppressed.
- the terminal 10 includes a square tubular portion 11 into which a tab 41 of a mating terminal 40 is inserted from the front, an elastic contact piece 15 provided inside the square tubular portion 11, and a contact piece 15 provided inside the square tubular portion 11. , and a receiving portion 19 that sandwiches the tab 41 together with the elastic contact piece 15.
- the square tube portion 11 is provided with the first wall 12 on which the elastic contact piece 15 is provided and the receiving portion 19.
- At least one of the pair of side walls 14 has an elastic piece 23 that presses the side edge of the tab 41 toward the inside of the square tubular portion 11 in the first direction and suppresses the movement of the tab 41 in the first direction.
- the cylindrical portion 11 includes a stopper portion 22 that suppresses the tip portion 23A of the elastic piece 23 from moving inward of the rectangular cylindrical portion 11 in the first direction.
- the stopper portion 22 is provided between the elastic contact piece 15 and the elastic piece 23 in the first direction, and the contact portion 27 and the stopper portion 22 are in contact with each other. The contact prevents the tip portion 23A of the elastic piece 23 from contacting the elastic contact piece 15 .
- the elastic piece 23 suppresses the movement of the tab 41 in the first direction. and the mating terminal 40 can be secured.
- the abutment between the contact portion 27 of the elastic piece 23 and the stopper portion 22 of the square tube portion 11 suppresses the tip portion 23A of the elastic piece 23 from moving inward of the square tube portion 11 in the first direction. be able to. Since the stopper portion 22 is arranged between the elastic contact piece 15 and the elastic piece 23 in the first direction, it is possible to prevent the tip portion 23A of the elastic piece 23 from contacting the elastic contact piece 15 . Therefore, deformation of the elastic contact piece 15, poor connection between the terminal 10 and the mating terminal 40, and the like can be suppressed.
- the second wall 13 has the stopper portion 22 .
- At least one of the pair of side walls 14 has the elastic piece 23, and the second wall 13 has the stopper portion 22, so that the contact portion 27 of the elastic piece 23 and the stopper portion 22 face each other. Easy to place. Further, since the stopper portion 22 is provided on the second wall 13 without the elastic contact piece 15, the contact between the elastic piece 23 and the elastic contact piece 15 can be easily suppressed.
- the elastic piece 23 includes a main body portion 25 that is long in the front-rear direction, and an extension portion 26 that extends from the tip of the main body portion 25 in a direction orthogonal to both the first direction and the front-rear direction.
- the projecting portion 26 has a contact portion 27 .
- the rectangular tubular portion 11 has a concave portion 21 that is concave in the first direction, the concave portion 21 has a stopper portion 22 , and the extension portion 26 is arranged inside the concave portion 21 .
- the tip portion 23A of the elastic piece 23 is positioned in the first direction from the side wall 14 (third wall 14A) on which the elastic piece 23 is provided. It can be arranged inside the rectangular tubular portion 11 .
- only one of the pair of side walls 14 has the elastic piece 23, and the other of the pair of side walls 14 (the fourth wall 14B) has the elastic piece 23 and the tab 41 in the first direction.
- a pressing portion 28 is provided for clamping.
- the elastic piece 23 and the pressing portion 28 suppress the movement of the tab 41 in the first direction, so that the connection reliability between the terminal 10 and the mating terminal 40 is ensured even in a vibrating environment. can. Since the elastic piece 23 is provided only on one side (the third wall 14A) of the pair of side walls 14, the tip portion 23A of the elastic piece 23 is positioned closer to the rectangular tubular portion 11 than when the elastic piece is provided on both of the pair of side walls. less likely to move inward.
- FIG. 1 The terminal 110 of the present embodiment is used in a vibrating environment in which vibration occurs, as in the first embodiment.
- the direction indicated by arrow Z is upward
- the direction indicated by arrow X is forward
- the direction indicated by arrow Y is rightward.
- members similar to those of the first embodiment may be denoted by the same reference numerals, and detailed description of the members may be omitted.
- the terminal 110 is formed by pressing and bending a conductive metal plate. As shown in FIG. 11 , the terminal 110 includes a square tubular portion 11 that opens in the front-rear direction, and a wire barrel B1 and an insulation barrel B2 that are arranged behind the square tubular portion 11 . As shown in FIGS. 15 and 16, the tab 41 of the mating terminal 40 is inserted into the square tubular portion 11 from the front.
- the rectangular tubular portion 11 includes a first wall 12 , a second wall 13 facing the first wall 12 , and a pair of side walls 14 .
- the pair of side walls 14 face each other in the left-right direction (an example of the first direction).
- One of the pair of side walls 14 is a third wall 14A arranged on the left side of the square tube portion 11 .
- the other side of one side wall 14 is a fourth wall 14B arranged on the right side of the square tubular portion 11 .
- An elastic contact piece 15 is provided inside the rectangular tubular portion 11 .
- a contact portion 16 is provided on the upper surface of the elastic contact piece 15 .
- the second wall 13 is provided with a receiving portion 19 projecting downward from the lower surface of the second wall 13 .
- the receiving portion 19 includes a pair of ridges 20 extending in the front-rear direction and arranged in the left-right direction. The receiving portion 19 vertically sandwiches the tab 41 between itself and the contact portion 16 of the elastic contact piece 15 . Thereby, the terminal 10 and the mating terminal 40 are electrically connected.
- the third wall 14A is provided with elastic pieces 123 by cutting and raising.
- the elastic piece 123 is elongated in the front-rear direction and connected to the third wall 14A at its rear end.
- the elastic piece 123 is elastically deformable in the left-right direction with the base end of the rear end portion as a substantial fulcrum.
- the elastic piece 123 as a whole is provided so as to be positioned inward of the rectangular tubular portion 11 toward the front, that is, to the right.
- a tip portion 123A which is a front end portion of the elastic piece 123, is bent outwardly of the rectangular tubular portion 11, that is, leftward.
- a pressing portion 124 is provided at a position near the front end of the elastic piece 123 .
- the pressing portion 124 is located on the rightmost side of the elastic piece 123 .
- the pressing portion 124 is arranged at a position close to the contact portion 16 of the elastic contact piece 15 in the front-rear direction. As shown in FIG. 16 , the pressing portion 124 presses the side edge of the tab 41 inserted into the rectangular tubular portion 11 .
- the horizontal distance between the fourth wall 14B and the pressing portion 124 is set slightly smaller than the horizontal dimension of the tab 41 .
- the third wall 14A on the front side of the elastic piece 123 is formed with a projecting portion 130 projecting inward (to the right in this case) of the rectangular tube portion 11 from the third wall 14A. ing.
- the protruding portion 130 is formed by performing a punching process on the right side.
- the projecting portion 130 is arranged at substantially the same height position as the elastic piece 123 . It is preferable that the horizontal distance between the fourth wall 14B and the projecting portion 130 is substantially the same as the horizontal dimension of the tab 41 .
- substantially identical means identical when manufacturing tolerances and the like are not considered.
- the projecting portion 130 is formed to extend in the front-rear direction. In this embodiment, the projecting portion 130 extends rearward up to the edge of the opening provided by cutting and raising the elastic piece 123 .
- the tab 41 When the insertion of the tab 41 into the square tube portion 11 is started, the tab 41 first hits the projecting portion 130 on the front side of the elastic piece 123 . When the tab 41 is further inserted into the square tube portion 11, the tab 41 hits the elastic piece 123 as shown in FIG. That is, since the elastic piece 123 is protected at the front by the projecting portion 130 , it is difficult to deform due to contact with the tab 41 .
- the protrusion 130 if the protrusion 130 is not provided, for example, when the tab 41 is inserted into the square tube portion 11 while sliding on the third wall 14A, the tab 41 will move forward and backward with the elastic piece 123. There may be a case where the elastic pieces 123 are deformed by facing each other and coming into contact with each other. However, in the present embodiment, the protruding portion 130 contacts the tab 41 before the elastic piece 123 does, thereby adjusting the position at which the tab 41 contacts the elastic piece 123 . Therefore, deformation of the elastic piece 123 due to inappropriate contact of the tab 41 can be suppressed.
- the elastic piece 123 has a cantilever shape extending forward, and the pressing portion 124 is arranged at the front end portion of the elastic piece 123 , so the pressing portion 124 is arranged near the projecting portion 130 .
- the elastic piece 123 is less likely to be spread outward from the rectangular tubular portion 11 by the tab 41 . Therefore, deformation of the elastic piece 123 can be further suppressed.
- the tab 41 is positioned between the projecting portion 130 and the fourth wall 14B. and sandwiched in the left-right direction. Moreover, when the projecting portion 130 extends in the front-rear direction, the projecting portion 130 is in line contact with the tab 41 . Therefore, it is possible to prevent the insertion posture of the tab 41 from becoming oblique due to the projecting portion 130 . Therefore, deformation of the elastic piece 123 can be more easily suppressed by the projecting portion 130 .
- the tab 41 when the tab 41 is sandwiched between the projecting portion 130 and the fourth wall 14B in the left-right direction, it is possible to suppress the tab 41 from vibrating in the left-right direction within the square tube portion 11 in a vibrating environment. Therefore, abrasion of the tab 41, the elastic contact piece 15, and the receiving portion 19 due to vibration can be suppressed, and the connection reliability of the terminal 110 can be further improved. In addition, by suppressing the vibration of the tab 41, repeated application of stress to the elastic piece 123 can be suppressed. Therefore, it is possible to prevent the elastic piece 123 from settling even in a vibrating environment.
- the terminal 110 of this embodiment includes a square tube portion 11 into which the tab 41 of the mating terminal is inserted from the front, an elastic contact piece 15 provided inside the square tube portion 11, and an elastic contact piece 15 provided inside the square tube portion 11.
- the terminal 110 includes a contact piece 15 and a receiving portion 19 that sandwiches the tab 41 therebetween.
- a wall 13 and a pair of side walls 14 connecting both side edges of the first wall 12 and both side edges of the second wall 13 are provided.
- One of the side walls 14 is an elastic piece 123 that presses the side edge of the tab 41 inwardly of the rectangular tubular portion 11 in the first direction and suppresses the movement of the tab 41 in the first direction.
- a protruding portion 130 arranged in front of the elastic piece 123 and protruding inward of the rectangular tubular portion 11 .
- the elastic piece 123 suppresses the movement of the tab 41 in the first direction. and the mating terminal 40 can be secured. Since the projecting portion 130 is provided in front of the elastic piece 123 , when the tab 41 is inserted into the rectangular tubular portion 11 , the tab 41 hits the projecting portion 130 before the elastic piece 123 . Therefore, it is possible to suppress deformation of the elastic piece 123 due to contact with the tab 41 .
- the elastic piece 123 extends in the front-rear direction, and the rear end of the elastic piece 123 is connected to one of the pair of side walls. A portion 124 is provided.
- the pressing portion 124 of the elastic piece 123 is arranged near the projecting portion 130, so deformation of the elastic piece 123 can be more easily suppressed.
- the projecting portion 130 sandwiches the tab 41 inserted into the square tubular portion 11 with the other of the pair of side walls 14 (fourth wall 14B).
- the tab 41 is sandwiched between the protruding portion 130 and the other of the pair of side walls 14, so that the tab 41, the elastic contact piece 15, and the receiving portion 19 are further prevented from being worn in a vibrating environment. can be suppressed.
- the elastic piece 23 is provided only on the third wall 14A, and the holding portion 28 is provided on the fourth wall 14B. may be provided with elastic pieces respectively, and the tab may be sandwiched in the first direction by the pair of elastic pieces.
- the stopper portion 22 is provided on the second wall 13, but the present invention is not limited to this. or may be provided.
- the elastic pieces 23 and 123 are cantilevered to extend forward from the rear portion of the third wall 14A. It may be cantilevered extending rearward from the front of the .
- the horizontal distance between the fourth wall 14B and the projecting portion 130 is substantially the same as the horizontal dimension of the tab 41.
- the present invention is not limited to this.
- the horizontal distance between the fourth wall and the protrusion may be slightly larger than the horizontal dimension of the tab.
- the projecting portion 130 extends in the front-rear direction, but the present invention is not limited to this, and the projecting portion does not have to extend in the front-rear direction.
- the fourth wall 14B does not have the pressing portion 28 of the first embodiment, but the present invention is not limited to this, and the fourth wall may include the pressing portion.
- Terminal 11 Square tube portion 12: First wall 13: Second wall 14: Side wall 14A: Third wall 14B: Fourth wall 15: Elastic contact piece 16: Contact portion 17: Excessive deflection prevention portion 18: Locking Portion 19: Receiving portion 20: Projection portion 21: Recess portion 21A: Front surface 21B: Rear surface 22: Stopper portion 23: Elastic piece 23A: Tip portion 24: Pressing portion 25: Body portion 26: Extension portion 27: Contact portion 28 : Pressing portion 29: Projecting piece 40: Mating terminal 41: Tab 110: Terminal 123: Elastic piece 123A: Tip portion 124: Pressing portion 130: Protruding portion B1: Wire barrel B2: Insulation barrel
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Abstract
Description
最初に本開示の実施態様を列挙して説明する。
以下に、本開示の実施形態について説明する。本開示はこれらの例示に限定されるものではなく、特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内での全ての変更が含まれることが意図される。
本開示の実施形態1について、図1から図10を参照しつつ説明する。本実施形態の端子10は、例えば、自動車などの車両に搭載され、振動が発生する振動環境下で用いられるものである。以下の説明においては、矢線Zの示す方向を上方、矢線Xの示す方向を前方、矢線Yの示す方向を右方として説明する。
端子10は、導電性の金属板材をプレス加工及び曲げ加工することにより形成されている。図1に示すように、端子10は、端子10の略前半部分において前後方向に開口する角筒部11と、角筒部11の後方に配されるワイヤーバレルB1及びインシュレーションバレルB2と、を備える。図6に示すように、角筒部11には、前方から相手側端子40のタブ41が挿入されるようになっている。ワイヤーバレルB1は図示しない被覆電線の芯線に圧着され、インシュレーションバレルB2は図示しない被覆電線の絶縁被覆に圧着されるようになっている。
図3及び図8に示すように、角筒部11は、角筒部11の下側に配される第1壁12と、第1壁12に対向する第2壁13と、第1壁12の両側縁と第2壁13の両側縁とを接続する一対の側壁14と、を備える。一対の側壁14が対向する方向は、左右方向(第1方向の一例)となっている。一対の側壁14の一方は、角筒部11の左側に配される第3壁14Aとされている。一方の側壁14の他方は、角筒部11の右側に配される第4壁14Bとされている。
図7に示すように、第1壁12の前端には、後方へ折り返された弾性接触片15が設けられている。弾性接触片15は、角筒部11内において上斜め後方に片持ち状にのびており、下方に撓み変形するようになっている。弾性接触片15の上面には、上方に突出する接点部16が設けられている。接点部16は、叩き出し加工によって形成されており、全体として球面状をなしている。図9に示すように、相手側端子40のタブ41が角筒部11に挿入された状態では、タブ41の下面(第1壁12に対向する面)は接点部16の頂点に接触するようになっている。
図3及び図8に示すように、第2壁13には、第2壁13の下面から下方に突出する受け部19が設けられている。受け部19は、下方に叩き出し加工を施すことで形成されている。受け部19は、左右方向に並ぶ一対の突条部20からなる。図7に示すように、突条部20は、前後方向にのびて形成されている。突条部20の下端と接点部16の頂点との上下方向の間隔は、タブ41の上下方向の寸法よりも小さく設定されている。図9に示すように、タブ41が角筒部11に挿入された状態では、受け部19は、弾性接触片15の接点部16との間でタブ41を上下方向に挟持するようになっている。これにより、端子10と相手側端子40とが電気的に接続される。
図2に示すように、第2壁13は、左端部において右方に凹状をなして形成される凹部21を備える。凹部21は、第2壁13の前後方向中央位置より前側に配されている。凹部21は、前側に配される前面21Aと、後側に配される後面21Bと、前面21Aの右端部と後面21Bの右端部とを接続するストッパ部22と、を備える。ストッパ部22は、第3壁14Aと略平行な面となっている。ストッパ部22は、左右方向について弾性接触片15と後述する弾性片23との間に配されている(図10参照)。
図1に示すように、第3壁14Aには、切り起こし加工を施すことによって弾性片23が設けられている。弾性片23は、第3壁14Aの後部から前方にのびる片持ち状をなしている。弾性片23は、後端部の基端を略支点として左右方向に弾性変形可能とされている。図5に示すように、弾性片23は、全体として、前方に向かうほど角筒部11の内方、すなわち右方に位置するように設けられている。弾性片23の前側の端部である先端部23Aは、角筒部11の外方、すなわち左方に曲げられている。弾性片23のうちもっとも右側に位置する部分は、押圧部24とされている。押圧部24は、前後方向について弾性接触片15の接点部16と近い位置に配されている。図6に示すように、押圧部24は、角筒部11に挿入されたタブ41の側縁を押圧するようになっている。
図4に示すように、弾性片23は、側面視において略L字型をなしており、前後方向に長い本体部25と、本体部25の先端部から上方(第1方向及び前後方向の双方に直交する方向の一例)にのびる延出部26と、を備える。延出部26は、弾性片23の先端部23Aの上側の部分である。
図10に示すように、延出部26は、左右方向についてストッパ部22と対向して配される当接部27を有する。外力により弾性片23の先端部23Aが右方へ移動した場合、当接部27とストッパ部22とが当接するようになっている。
図3、図5、及び図8に示すように、第4壁14Bには、第4壁14Bの左面から左方に突出する押さえ部28が設けられている。押さえ部28は、左方に叩き出し加工を施すことで形成されている。押さえ部28は、前後方向に長く、上下方向に短い矩形状をなしている。図8に示すように、押さえ部28、及び弾性片23の押圧部24は、上下方向において受け部19の下端から弾性接触片15の上面よりやや下方までの位置に配されている。押さえ部28と押圧部24との左右方向における間隔は、タブ41の左右方向の寸法より少し小さく設定されている。
本実施形態にかかる端子10の構成は以上であって、以下、端子10の弾性片23の先端部23Aの左右方向における移動について説明する。
端子10の弾性片23は、第3壁14Aに切り起こし加工を施すことで設けられており、外部に露出している。このため、外力を受けて弾性片23の先端部23Aが角筒部11の内方に移動しようとする場合が考えられる。
本実施形態によれば、以下の作用、効果を奏する。
本実施形態にかかる端子10は、前方から相手側端子40のタブ41が挿入される角筒部11と、角筒部11内に設けられる弾性接触片15と、角筒部11内に設けられ、弾性接触片15とともにタブ41を挟持する受け部19と、を備えた端子10であって、角筒部11は、弾性接触片15が設けられる第1壁12と、受け部19が設けられる第2壁13と、第1壁12の両側縁と第2壁13の両側縁とを接続する一対の側壁14と、を備え、一対の側壁14が対向する方向は、第1方向とされ、一対の側壁14の少なくとも一方は、第1方向における角筒部11の内方にタブ41の側縁を押圧し、タブ41が第1方向に移動することを抑制する弾性片23を備え、角筒部11は、弾性片23の先端部23Aが第1方向における角筒部11の内方に移動することを抑制するストッパ部22を備え、弾性片23は、第1方向についてストッパ部22に対向して配される当接部27を備え、ストッパ部22は、第1方向について弾性接触片15と弾性片23との間に配されており、当接部27とストッパ部22とが当接することにより、弾性片23の先端部23Aが弾性接触片15に接触することが抑制される。
本開示の実施形態2について、図11から図16を参照しつつ説明する。本実施形態の端子110は、実施形態1と同様に、振動が発生する振動環境下で用いられるものである。以下の説明においては、矢線Zの示す方向を上方、矢線Xの示す方向を前方、矢線Yの示す方向を右方として説明する。また、実施形態2の構成について、実施形態1と同様の部材には同一の符号を付し、当該部材に関する詳細な説明を省略する場合がある。
端子110は、導電性の金属板材をプレス加工及び曲げ加工することにより形成されている。図11に示すように、端子110は、前後方向に開口する角筒部11と、角筒部11の後方に配されるワイヤーバレルB1及びインシュレーションバレルB2と、を備える。図15及び図16に示すように、角筒部11には、前方から相手側端子40のタブ41が挿入されるようになっている。
図13に示すように、角筒部11は、第1壁12と、第1壁12に対向する第2壁13と、一対の側壁14と、を備える。一対の側壁14は、左右方向(第1方向の一例)に対向している。一対の側壁14の一方は、角筒部11の左側に配される第3壁14Aとされている。一方の側壁14の他方は、角筒部11の右側に配される第4壁14Bとされている。
角筒部11の内部には、弾性接触片15が設けられている。弾性接触片15の上面には、接点部16が設けられている。第2壁13には、第2壁13の下面から下方に突出する受け部19が設けられている。受け部19は、前後方向に延在するとともに左右方向に並ぶ一対の突条部20からなる。受け部19は、弾性接触片15の接点部16との間でタブ41を上下方向に挟持するようになっている。これにより、端子10と相手側端子40とが電気的に接続される。
図11及び図12に示すように、第3壁14Aには、切り起こし加工を施すことによって弾性片123が設けられている。弾性片123は、前後方向に長く形成され、後端部において第3壁14Aに接続されている。弾性片123は、後端部の基端を略支点として左右方向に弾性変形可能とされている。図14に示すように、弾性片123は、全体として、前方に向かうほど角筒部11の内方、すなわち右方に位置するように設けられている。弾性片123の前側の端部である先端部123Aは、角筒部11の外方、すなわち左方に曲げられている。
弾性片123の前端部寄りの位置には、押圧部124が設けられている。押圧部124は、弾性片123のうちもっとも右側に位置している。押圧部124は、前後方向について弾性接触片15の接点部16と近い位置に配されている。図16に示すように、押圧部124は、角筒部11に挿入されたタブ41の側縁を押圧するようになっている。弾性片123が自然状態であるとき、第4壁14Bと押圧部124との左右方向における間隔は、タブ41の左右方向の寸法より少し小さく設定されている。
図13及び図14に示すように、弾性片123の前側の第3壁14Aには、第3壁14Aから角筒部11の内方(ここでは右方)に突出する突出部130が形成されている。突出部130は、右方に叩き出し加工を施すことで形成されている。突出部130は、弾性片123と略同一な高さ位置に配されている。第4壁14Bと突出部130との左右方向における間隔は、タブ41の左右方向の寸法と実質的に同一に設定されていることが好ましい。ここで、実質的に同一とは製造公差等を考慮しない場合には同一であることを意味する。
本実施形態によれば、以下の作用、効果を奏する。
本実施形態の端子110は、前方から相手側端子のタブ41が挿入される角筒部11と、角筒部11内に設けられる弾性接触片15と、角筒部11内に設けられ、弾性接触片15とともにタブ41を挟持する受け部19と、を備えた端子110であって、角筒部11は、弾性接触片15が設けられる第1壁12と、受け部19が設けられる第2壁13と、第1壁12の両側縁と第2壁13の両側縁とを接続する一対の側壁14と、を備え、一対の側壁14が対向する方向は、第1方向とされ、一対の側壁14の一方(第3壁14A)は、第1方向における角筒部11の内方にタブ41の側縁を押圧し、タブ41が第1方向に移動することを抑制する弾性片123と、弾性片123の前方に配され、角筒部11の内方に突出する突出部130と、を備える。
(1)上記実施形態1では、弾性片23は第3壁14Aのみに設けられ、第4壁14Bに押さえ部28が設けられていたが、これに限られることはなく、一対の側壁の双方にそれぞれ弾性片が設けられ、一対の弾性片によってタブが第1方向に挟持される構成としてもよい。
(2)上記実施形態1では、ストッパ部22は第2壁13に設けられる構成としたが、これに限られることはなく、ストッパ部は第1壁、第3壁、及び第4壁のいずれかに設けられてもよい。
(3)上記実施形態1,2では、弾性片23,123は第3壁14Aの後部から前方にのびる片持ち状とされたが、これに限られることはなく、例えば弾性片は第3壁の前部から後方にのびる片持ち状とされてもよい。
(5)上記実施形態2では、突出部130は前後方向に延在していたが、これに限られることはなく、突出部は前後方向に延在していなくてもよい。
(6)上記実施形態2では、第4壁14Bは実施形態1の押さえ部28を備えなかったが、これに限られることはなく、第4壁は押さえ部を備えてもよい。
11: 角筒部
12: 第1壁
13: 第2壁
14: 側壁
14A: 第3壁
14B: 第4壁
15: 弾性接触片
16: 接点部
17: 過度撓み防止部
18: 係止部
19: 受け部
20: 突条部
21: 凹部
21A: 前面
21B: 後面
22: ストッパ部
23: 弾性片
23A: 先端部
24: 押圧部
25: 本体部
26: 延出部
27: 当接部
28: 押さえ部
29: 突片
40: 相手側端子
41: タブ
110: 端子
123: 弾性片
123A: 先端部
124: 押圧部
130: 突出部
B1: ワイヤーバレル
B2: インシュレーションバレル
Claims (9)
- 前方から相手側端子のタブが挿入される角筒部と、
前記角筒部内に設けられる弾性接触片と、
前記角筒部内に設けられ、前記弾性接触片とともに前記タブを挟持する受け部と、を備えた端子であって、
前記角筒部は、前記弾性接触片が設けられる第1壁と、前記受け部が設けられる第2壁と、前記第1壁の両側縁と前記第2壁の両側縁とを接続する一対の側壁と、を備え、
前記一対の側壁が対向する方向は、第1方向とされ、
前記一対の側壁の少なくとも一方は、前記第1方向における前記角筒部の内方に前記タブの側縁を押圧し、前記タブが前記第1方向に移動することを抑制する弾性片を備え、
前記角筒部は、前記弾性片の先端部が前記第1方向における前記角筒部の内方に移動することを抑制するストッパ部を備え、
前記弾性片は、前記第1方向について前記ストッパ部に対向して配される当接部を備え、
前記ストッパ部は、前記第1方向について前記弾性接触片と前記弾性片との間に配されており、
前記当接部と前記ストッパ部とが当接することにより、前記弾性片の先端部が前記弾性接触片に接触することが抑制される、端子。 - 前記第1壁及び前記第2壁のいずれか一方が前記ストッパ部を備える、請求項1に記載の端子。
- 前記第2壁が前記ストッパ部を備える、請求項2に記載の端子。
- 前記弾性片は、前後方向に長い本体部と、前記本体部の先端部から前記第1方向及び前後方向の双方に直交する方向にのびる延出部と、を備え、
前記延出部は、前記当接部を有する、請求項1から請求項3のいずれか一項に記載の端子。 - 前記角筒部は、前記第1方向に凹状をなす凹部を備え、
前記凹部は、前記ストッパ部を備え、
前記延出部は、前記凹部の内側に配されている、請求項4に記載の端子。 - 前記一対の側壁の一方のみが前記弾性片を備え、
前記一対の側壁の他方は、前記弾性片とともに前記タブを前記第1方向に挟持する押さえ部を備える、請求項1から請求項5のいずれか一項に記載の端子。 - 前方から相手側端子のタブが挿入される角筒部と、
前記角筒部内に設けられる弾性接触片と、
前記角筒部内に設けられ、前記弾性接触片とともに前記タブを挟持する受け部と、を備えた端子であって、
前記角筒部は、前記弾性接触片が設けられる第1壁と、前記受け部が設けられる第2壁と、前記第1壁の両側縁と前記第2壁の両側縁とを接続する一対の側壁と、を備え、
前記一対の側壁が対向する方向は、第1方向とされ、
前記一対の側壁の一方は、前記第1方向における前記角筒部の内方に前記タブの側縁を押圧し、前記タブが前記第1方向に移動することを抑制する弾性片と、前記弾性片の前方に配され、前記角筒部の内方に突出する突出部と、を備える、端子。 - 前記弾性片は前後方向にのびており、
前記弾性片の後端部が前記一対の側壁の一方に接続され、
前記弾性片の前端部寄りの位置には、前記タブを押圧する押圧部が配されている、請求項7に記載の端子。 - 前記突出部は、前記一対の側壁の他方との間で、前記角筒部に挿入された前記タブを挟持するようになっている、請求項7または請求項8に記載の端子。
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JPH01204376A (ja) * | 1988-02-09 | 1989-08-16 | Riyousei Denso Kk | 接続端子 |
JPH0613118A (ja) * | 1992-03-31 | 1994-01-21 | Amp Inc | リセプタクル型コンタクト |
WO1999041807A1 (en) * | 1998-02-16 | 1999-08-19 | Framatome Connectors International | Electrical connection terminal with a cage |
US20020065006A1 (en) * | 2000-01-31 | 2002-05-30 | Heimueller Hans Jost | Unitary contact spring |
JP2018181535A (ja) * | 2017-04-10 | 2018-11-15 | 住友電装株式会社 | 端子金具 |
WO2020071226A1 (ja) * | 2018-10-02 | 2020-04-09 | 株式会社オートネットワーク技術研究所 | 雌端子 |
US20210075137A1 (en) * | 2019-12-18 | 2021-03-11 | Dongguan Xuntao Electronic Co., Ltd. | Female terminal and connector having thereof |
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CN117501551A (zh) | 2024-02-02 |
JPWO2022270174A1 (ja) | 2022-12-29 |
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