WO2011125727A1 - Borne femelle - Google Patents

Borne femelle Download PDF

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Publication number
WO2011125727A1
WO2011125727A1 PCT/JP2011/057994 JP2011057994W WO2011125727A1 WO 2011125727 A1 WO2011125727 A1 WO 2011125727A1 JP 2011057994 W JP2011057994 W JP 2011057994W WO 2011125727 A1 WO2011125727 A1 WO 2011125727A1
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WO
WIPO (PCT)
Prior art keywords
convex portion
convex
tab
width direction
elastic contact
Prior art date
Application number
PCT/JP2011/057994
Other languages
English (en)
Japanese (ja)
Inventor
吉田　和生
幸大 川村
Original Assignee
古河電気工業株式会社
古河As株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 古河電気工業株式会社, 古河As株式会社 filed Critical 古河電気工業株式会社
Priority to JP2012509511A priority Critical patent/JP5435516B2/ja
Priority to CN201180016995.5A priority patent/CN102834981B/zh
Publication of WO2011125727A1 publication Critical patent/WO2011125727A1/fr

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    • 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
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section

Definitions

  • a female terminal to be attached to a connector or the like for connecting an automobile wire harness.
  • Such a crimp terminal has a pair of a male terminal with a flat insertion tab and a female terminal with a box part that allows insertion of the insertion tab, and each connector is connected to a covered electric wire. It is installed inside.
  • the box portion of the female terminal sandwiches the inserted insertion tab between the elastic contact portion that elastically contacts the inserted insertion tab and the fixed contact portion that faces the elastic contact portion. It is the structure which connects electrically and physically and fits.
  • the contact load is reduced with an emphasis on facilitating the connector mating operation, there is a problem that the connection reliability in the mated state is lowered. Specifically, if the contact load is low, the terminal surface may be oxidized, micro-sliding friction may occur, the contact resistance of both terminals may increase due to the effects of heat or vibration, and the energized state may be momentarily disconnected. .
  • the female terminal of Patent Document 1 has a plurality of convex portions provided in the box portion, so that the inserted insertion tab is difficult to rotate and vibration resistance characteristics are improved. Therefore, it is not necessary to improve the spring performance of the elastic contact portion and increase the contact load between the convex portion and the insertion tab, and the insertion force of the insertion tab to the box portion of the female terminal does not increase, and the It is said that the fitted state can be realized.
  • the convex portion on the front side in the insertion direction slides on the insertion tab where the convex portion on the rear side in the insertion direction has already slid.
  • the sliding resistance of the convex portion in the insertion tab increases, and there is a problem that the insertion force becomes high.
  • An object of the present invention is to provide a female terminal that can reliably conduct electricity while suppressing an increase in insertion force of the male terminal into the fitting means of the insertion tab.
  • the present invention is a female terminal provided with fitting means for allowing insertion of an insertion tab in a male terminal, wherein the fitting means elastically contacts with the inserted insertion tab. And an opposing contact portion that opposes the elastic contact portion and fits the inserted insertion tab sandwiched between the elastic contact portions. The opposing contact portion faces the elastic contact portion side. Two or more projecting portions that protrude in the manner described above, and one of the two or more projecting portions intersects the other projecting portion with respect to the insertion direction of the insertion tab into the fitting means.
  • two of the convex portions are formed as a convex portion set, at least one convex portion set is in the width direction perpendicular to the insertion direction in the surface of the opposed contact portion. Are arranged so as to cross each other.
  • the fitting means is referred to as a so-called box portion, and is a means that allows insertion of an insertion tab of a male terminal, and can be electrically and physically connected and fitted.
  • the said female terminal provided with the fitting means can be used as the crimp terminal provided with the crimp part which crimps
  • the crimping part may be a crimping part of any type such as an open barrel type or a closed barrel type, and may be configured to be electrically and physically connected by, for example, ultrasonic welding. .
  • the opposing contact portion may be a part of a fixed portion in a fitting means such as a box portion of a female terminal or a movable portion provided in the fixed portion.
  • the convex part is a convex part formed in a part of a shape having a length in the insertion direction, such as a substantially semicircular cross-sectional bar shape called a bead or a substantially rectangular cross-sectional bar shape, or a convex part formed independently of each other. Part.
  • Arranging another convex portion with respect to one convex portion of the two or more convex portions at a position intersecting the insertion direction of the insertion tab into the fitting means means that two convex portions
  • the direction line connecting the centers of the parts on the opposing contact part is arranged at a position where it intersects the insertion direction.
  • At least one convex portion set is arranged so as to intersect the width direction orthogonal to the insertion direction in the opposing contact portion plane.
  • three convex part sets can be configured, and since the arrangement direction of one of the convex part sets intersects the width direction, at least three convex parts Of these, the two convex portions are arranged at different positions with respect to the insertion direction.
  • the present invention it is possible to reliably conduct electricity while suppressing an increase in insertion force of the male terminal into the fitting means of the insertion tab.
  • two or more convex portions are formed in the opposed contact portion, and the insertion tab is sandwiched and fitted between the opposed contact portion and the elastic contact portion, so that a contact area is ensured and reliable conductivity is realized. Can do.
  • the contact load can be designed to be as large as possible.
  • a female terminal that is excellent against fine sliding wear caused by vibration during traveling of an automobile is provided. Can be configured. Therefore, even if the number of terminals increases with the complexity of the circuit configuration or the like, both terminals can be reliably fitted and connected to ensure a stable connection state.
  • the width direction position which is the position of each convex part in the width direction, is defined as the contact width where the convex part and the insertion tab are in contact with each other. It can be set to be more than half.
  • the center in the width direction can be a center with respect to the outermost both sides in the width direction of the convex portion.
  • the width direction interval between the width direction centers can be the distance in the width direction between the width direction centers of the respective convex portions.
  • the locus due to the location where each convex portion slides is shifted in the width direction, even if the convex portion is arranged at a different position in the insertion direction, the portion where the other convex portion has already slid is slid again. By doing so, it is possible to prevent a problem that the insertion force increases.
  • the locus of the convex part on the front side in the insertion direction and the locus of the convex part on the rear side in the insertion direction are more than half. Overlap.
  • the insertion force is increased when the convex portion on the rear side in the insertion direction overlaps with the portion where the convex portion on the rear side in the insertion direction has already slid, and the convex portion on the front side in the insertion direction slides again. Further, when the width direction interval is less than half of the contact width and narrow, the insertion direction front projection is guided to the place where the insertion projection rear side projection has already slid. Will increase.
  • the position in the width direction of the convex portion is set so that the width direction interval between the centers in the width direction is more than half of the contact width, the locus by each convex portion is shifted in the width direction, and the sliding resistance is increased. It is possible to prevent an increase in insertion force due to.
  • the opposing contact portion is long in a direction intersecting the insertion direction, protrudes toward the elastic contact portion side, and has a predetermined length of recess at least in the intermediate portion.
  • An overhang part is provided, and the convex part can be formed on both outer sides of the concave part on the overhang part.
  • the projecting portion by forming the projecting portion, it is possible to form convex portions on both sides of the concave portion formed in the intermediate portion, and it is possible to form convex portions having high shape stability.
  • the convex portions formed on both sides of the concave portion formed in the intermediate portion are formed integrally with the overhang portion, the convex portions that are independent from each other at the opposing contact portion of the miniaturized female terminal Compared with the case of forming the protrusion, it is possible to reliably form a convex portion having a high strength, for example, having a height for reliably contacting the insertion tab. Therefore, reliable conductive performance can be ensured.
  • the opposing contact portion is constituted by an elastic opposing contact portion having elasticity in the direction of the opposing elastic contact portion, and the elastic contact portion and the elasticity are inserted into the inserted tab. It can be set as the structure which pinches
  • the elastic facing contact portion may be a contact portion having the same structure as the elastic contact portion and symmetrically arranged with respect to the insertion tab to be inserted. According to the present invention, since the elastic contact portion and the elastic facing contact portion are sandwiched and fitted to the inserted insertion tab while being biased in the opposite direction, in addition to the above effect, more reliable conductive performance Can be secured. Further, since the elastic contact portion and the elastic counter contact portion are sandwiched and fitted while being urged in the opposite direction, they can be urged and fitted with a desired urging force.
  • a front position convex portion disposed at a front position in the insertion direction by the insertion tab may be provided for half or less of the plurality of convex portions.
  • the front position convex portion may be a convex portion having the same shape as the convex portion or a convex portion having a different shape.
  • positioned in the front position on the said insertion direction by the said insertion tab with respect to the above-mentioned convex part is the front position convex part arrange
  • the width-direction interval between the width-direction centers of the convex portions is arranged at the front position convex portion arranged at the front position where the convex portion and the insertion tab are not more than half of the contact width or the front position. It can be a front position convex part.
  • the insertion tab is used for the projections that are less than half of the plurality of projections provided.
  • a tip position that contacts the vicinity of the tip of the insertion tab to be inserted, and a tip position convex portion arranged in the insertion direction with respect to the convex portion can be provided.
  • the tip position convex portion may be a convex portion having the same shape as the convex portion or a convex portion having a different shape.
  • the tip position convex portion arranged at the tip position in the insertion direction by the insertion tab is a tip position convex portion arranged at a tip position whose width direction position matches the convex portion, Or the front-end position convex part arranged at the front-end position where the width-direction interval between the width-direction centers in the convex part is less than or equal to half of the contact width where the convex part and the insertion tab contact, or the front-end arranged at the front end position It can be a position convex part.
  • the present invention it is possible to improve the degree of freedom with respect to the arrangement of the convex portions while having an effect of suppressing an increase in insertion force of the male terminal into the fitting means of the insertion tab. Specifically, for example, even if it is necessary to further increase the contact area due to an increase in the required energization amount, the tip position convex portion in the insertion direction with respect to the convex portion at the tip position in the insertion direction by the insertion tab By arranging the insertion tab, freedom in arrangement can be obtained while ensuring the minimum effect of suppressing the increase in insertion force by the two or more convex portions arranged at positions intersecting with the insertion direction of the insertion tab into the fitting means.
  • the contact area can be increased by the tip position convex portion having a high degree.
  • the exposed portion of the electric wire conductor in which the female terminal is exposed for a predetermined length from the tip of the covering body in the covered electric wire in which the outer periphery of the electric wire conductor is covered with an insulating covering body is crimped. It comprises a crimping part and the fitting means, It is a connection structure in which the covered electric wire and the female terminal are connected by the crimping portion. According to the present invention, the insertion tab in the male terminal can be easily inserted, and a reliable and stable electrical connection can be realized.
  • the present invention is a connector in which at least one female terminal in the above connection structure is disposed in a connector housing.
  • a connector in which at least one female terminal is arranged in a connector housing is one of a plurality of female terminals in which all of the plurality of female terminals to be attached to the connector are female terminals in the connection structure described above.
  • This is a concept that includes making the portion a female terminal in the connection structure described above, or mounting only one female terminal in the connection structure described above on the connector.
  • the crimp terminal and the wire conductor can be configured to be in a fitted state ensuring stable conductivity.
  • Explanatory drawing about a female terminal Explanatory drawing about a female terminal. Explanatory drawing about a female terminal. Explanatory drawing about the locus
  • FIG. 1A shows a cross-sectional perspective view of the female crimp terminal 1 divided at the center in the width direction Y
  • FIG. 1B shows a perspective view of the female crimp terminal 1 in the middle of assembly
  • FIG. 1C shows a perspective view of the female crimp terminal 1 in a state where the covered electric wire 200 is crimped to the wire barrel portion 4.
  • FIG. 2A is a side view of the female crimp terminal 1
  • FIG. 2B is a cross-sectional view of the female crimp terminal 1 at the center in the width direction Y
  • FIG. The top view of the female crimp terminal 1 of the state before an assembly shown to (b) is shown.
  • FIG. 2 (d) shows a front view of the female crimp terminal 1
  • FIG. 2 (e) shows a cross-sectional view from the front side in the zz section shown in FIG. 2 (c).
  • FIG. 3 shows an explanatory diagram of the trajectory of the oblique bead 80
  • FIG. 4 shows an explanatory diagram of the trajectory of the oblique bead 80 in the width direction position.
  • FIG. 3A shows a schematic diagram of the trajectories of the direct beads 180 and the oblique beads 80
  • FIG. 3B shows a comparison graph of the respective static friction forces.
  • FIG. 4 (a) and 4 (b) show a schematic diagram of the trajectory of the oblique bead 80 in the width direction
  • FIG. 4 (c) shows a schematic diagram of the trajectory of the direct bead 180
  • FIG. ) Shows a schematic diagram of the contact width a between the hemispherical convex portion 81 and the insertion tab 300.
  • FIG. 5 shows a partial plan view and a front view of the bead pattern of the oblique bead 80
  • FIG. 6 shows a partial plan view of the bead pattern of the independent hemispherical convex portion 91 (independent flat convex portion 93). The explanatory view by a front view is shown.
  • the female crimp terminal 1 includes a box portion 2 that allows insertion of an insertion tab of a male crimp terminal (not shown) in the male connector 400b (see FIG. 11) from the rear to the front in the insertion direction X, and a box Wire barrel part 4 disposed in front of part 2 via first transition 3 having a predetermined length, and insulator disposed in front of wire barrel part 4 via second transition 5 having a predetermined length
  • the construction barrel portion 6 is integrally formed.
  • the insertion direction X is the direction in which the insertion tab 300 (FIG. 2) is inserted into the box portion 2, and is the direction that coincides with the longitudinal direction of the female crimp terminal 1.
  • the covered electric wire 200 to be crimped and connected to the female crimp terminal 1 is configured by covering a core wire 202 in which copper wires are bundled with an insulating coating 201 made of an insulating resin.
  • the female crimp terminal 1 is formed by subjecting a copper alloy strip such as brass having a thickness of approximately 0.2 mm, the surface of which is tin-plated (Sn plated) to a thickness of approximately 0.001 mm, to form and bending the copper alloy strip. This is an open barrel type terminal.
  • the Sn plating applied to the surface is applied to improve the weldability of the solder and the slidability by inserting the insertion tab 300.
  • the female crimp terminal 1 is not limited to the open barrel type, and may be a closed barrel type.
  • the core wire 202 of the covered electric wire 200 and the female crimp terminal 1 may be electrically and physically connected by, for example, welding such as ultrasonic welding.
  • the female crimp terminal 1 may be a three-dimensional structure obtained by processing an aluminum alloy strip.
  • the wire barrel portion 4 before crimping extends obliquely outward and upward from both sides in the width direction Y of the barrel bottom portion 7 and includes a rectangular wire barrel piece 41 in a side view. It is formed in a U shape.
  • the insulation barrel portion 6 before the crimping is also provided with an insulation barrel piece 61 extending obliquely outward and upward from both sides in the width direction Y of the barrel bottom portion 7, and is formed in a substantially U shape when viewed from the front.
  • the wire barrel portion 4 configured as described above is crimped by crimping the core wire 202 of the covered electric wire 200, and the insulation barrel portion 6 is crimped by crimping the insulating coating 201 of the covered electric wire 200 to cover the female crimp terminal 1 and the sheath.
  • the electric wire 200 can be electrically and physically connected.
  • the box part 2 is composed of an inverted hollow square column body, and is dimpled that is bent toward the front in the insertion direction X and contacts the insertion tab 300 (see FIG. 2) of the male crimp terminal to be inserted.
  • the elastic contact piece 21 which has 21a is provided.
  • the ceiling part 22 (22a, 22b) of the box part 2 which is a hollow quadrangular prism body is formed by bending an extended part of the side part 23 (23a, 23b) so as to overlap.
  • the upper half portion that is an extension of the right side surface 23b on the right side when viewed from the front is bent at a substantially right angle in the direction of the left side surface 23a to form the inner ceiling portion 22b, and overlaps the upper side of the inner ceiling portion 22b.
  • the upper half portion, which is an extension of the left side surface 23a, is bent at a substantially right angle to the right side surface 23b side to constitute the outer ceiling portion 22a, and the outer ceiling portion 22a and the inner ceiling portion 22b constitute the ceiling portion 22. .
  • the oblique beads 80 are long in the insertion direction X and are arranged in a direction intersecting the insertion direction X, and hemispherical convex portions 81 are formed at both ends of the insertion direction X.
  • the oblique bead 80 has a semicircular cross-section bar shape formed so as to protrude toward the elastic contact piece 21 side in the bent inner ceiling portion 22b.
  • An intermediate recess 82 is formed by denting the portion upward. Then, both end portions of the intermediate recess 82 are protruded downward in a hemispherical shape to form a hemispherical convex portion 81.
  • the two oblique beads 80 are arranged in a direction and a position intersecting the insertion direction X so that the positions in the width direction of the respective hemispherical convex portions 81 do not overlap.
  • the said width direction position is a position of the width direction Y of the hemispherical convex part 81 in the inner side ceiling part 22b.
  • the hemispherical convex part 81 is formed with a radius of approximately 0.1 mm or more
  • the intermediate concave part 82 is formed by being recessed with a thickness of 0.01 mm or more and less than the thickness of the inner ceiling part 22b.
  • the two oblique beads 80 arranged so that the positions in the width direction of the respective hemispherical convex portions 81 do not overlap each other are 5 degrees from the insertion direction X. It arrange
  • the crossing angle with respect to X is ⁇
  • the center-to-center distance between the rear hemispherical convex portion 81a and the front hemispherical convex portion 81b is bead length b.
  • the width direction interval c is equal to or larger than the contact width a, as shown in FIG. 4A, the sliding locus R1 of the rear hemispherical convex portion 81a with respect to the insertion tab 300 and the sliding of the front hemispherical convex portion 81b.
  • the moving trajectory R2 does not overlap in the width direction Y, and a different trajectory interval T1 is formed therebetween.
  • the sliding locus R1 of the rear hemispherical convex portion 81a and the front hemisphere overlaps in the width direction Y, and a track overlapping portion T2 having a width equal to or less than half of the contact width a is formed.
  • the sliding locus R (R1, R2) formed by sliding the hemispherical convex portion 81 is a locus formed on the insertion tab 300 inserted from the front side of the box portion 2. is there. Then, the rear hemispherical convex portion 81a, which is the rear of the insertion direction X, slides in contact with the insertion tab 300 before the front hemispherical convex portion 81b, and the insertion tab 300 up to the position of the front hemispherical convex portion 81b is inserted. After that, the sliding to the insertion tab 300 by the front hemispherical convex portion 81b starts.
  • the Sn plating applied to the surfaces of the insertion tab 300 and the hemispherical convex portion 81 is deformed or peeled off by sliding between the insertion tab 300 and the hemispherical convex portion 81, and the hemispherical convex portion 81 in the sliding locus R The slidability with the insertion tab 300 is lowered.
  • the width direction interval c of the hemispherical convex portions 81 is not limited to the rear hemispherical convex portion 81a and the front hemispherical convex portion 81b on the same oblique bead 80, but also the rear hemispherical convex portion 81a of different oblique beads 80.
  • the position in the width direction with respect to the front hemispherical convex portion 81b needs to be in the same range.
  • FIG. 3A which is a schematic diagram, in the case of an orthogonal bead 180 parallel to the insertion direction X, the position after movement from the initial position A with respect to the insertion tab 300 by insertion of the insertion tab 300.
  • the front hemispherical convex portion 181b of the direct bead 180 that relatively moves to B moves on the sliding locus R ′ where the rear hemispherical convex portion 181a has already slid.
  • the oblique bead 80 that moves relative to the insertion tab 300 from the initial position A to the post-movement position B is a front hemisphere. Since the convex portion 81b does not move on the sliding locus R1 of the rear hemispherical convex portion 81a, the slidability between the hemispherical convex portion 81 and the insertion tab 300 does not deteriorate, and the insertion tab 300 into the box portion 2 does not fall. Insertion force does not change.
  • an orthogonal bead 180 (indicated at 0 degree in the graph) having an insertion force of 3.6 N was used.
  • the oblique bead 80 (displayed at 10 degrees in the graph) becomes 2.9 N, and the insertion force, that is, the frictional force can be reduced by about 20%.
  • the angle ⁇ is set to 10 degrees. However, even if the angle ⁇ is set to 5 degrees, if the bead length is 3 mm and the contact diameter is 0.14 mm as described above, it becomes a different track. It is considered that there is no substantial difference between the angle ⁇ of 5 degrees and 10 degrees.
  • the oblique bead 80 is formed in a semicircular cross-section bar shape
  • the intermediate concave portion 82 is formed in the intermediate portion
  • the hemispherical convex portions 81 are provided on both sides thereof.
  • the projection may be protruded downward in a substantially flat plate shape
  • an intermediate recess 82 may be formed at an intermediate portion thereof
  • flat protrusions 83 may be formed on both sides thereof.
  • the insertion tab 300 and the female crimp terminal 1 may be configured with one oblique bead 80 (FIG. 5D).
  • the flat convex portion 83 may also be formed by forming a substantially square shape as shown in FIG.
  • hemispherical convex portions 81 and flat convex portions 83 are formed on both sides of the intermediate concave portion 82 in the semicircular cross-section rod-shaped or substantially flat plate-shaped oblique bead 80.
  • the convex part 91 and the independent flat convex part 93 may be formed.
  • an independent hemispherical convex portion 91 (independent flat convex portion 93) is formed at the same position as the hemispherical convex portion 81 formed on the above-described oblique bead 80 (see FIG. 2). ing.
  • the independent hemispherical convex portion 91 may be formed at the same position as the hemispherical convex portion 81 of the oblique bead 80 arranged as shown in FIGS. 5 (b) to 5 (d).
  • the independent hemispherical convex portion 91 may be formed with a radius of about 0.1 mm or more, like the hemispherical convex portion 81.
  • an independent hemispherical convex portion 91 (independent flat convex portion 93) may be arranged in an inverted V shape with respect to the insertion direction X, and further in FIG. As shown, an independent hemispherical convex portion 91 (independent flat convex portion 93) may be arranged in a V shape with respect to the insertion direction X. Further, as shown in FIG. 6D, an independent hemispherical convex portion 91 (independent flat convex portion 93) may be arranged in the shape of a letter toward the width direction Y.
  • a pattern (FIG. 5 (b)) arranged in a C shape with respect to X is an arrangement type B
  • a pattern (FIG. 5 (c)) arranged in an inverted C shape with respect to the insertion direction X is an arrangement type C
  • a pattern (FIG. 5D) in which one oblique bead 80 is arranged is an arrangement type D.
  • positioned in reverse V shape with respect to the insertion direction X is arrange
  • a pattern (FIG. 6C) arranged in a V shape with respect to the insertion direction X is set as a type E.
  • a pattern in which two orthogonal beads 180 are arranged is an arrangement type X, and a pattern in which one orthogonal bead 180 is arranged in the center in the width direction Y is an arrangement type Y.
  • one oblique bead 80 (arrangement pattern D) and one orthogonal bead 180 (arrangement pattern Y) are compared for the hemispherical convex portion 81 and the flat convex portion 83, respectively, and further, the position in the width direction is compared.
  • the test was conducted using ⁇ as a parameter. The results are shown in Table 2.
  • the hemispherical projection 81 (Invention Examples 21 and 22) rather than the flat projection 83 (Invention Examples 19 and 20) is disposed by arranging the width direction interval c to be half or more of the contact width a. It was confirmed that the reduction effect on the direct beads 180 (Comparative Examples 9 and 11) was high. Moreover, when the width direction space
  • the insertion force of the insertion tab 300 is reduced compared to the direct bead 180 by setting the hemispherical convex portion 81 and the flat convex portion 83 so that the width direction interval c is half or more of the contact width a. It was confirmed.
  • the box portion 2 is elastic with respect to the insertion tab 300 inserted therein.
  • Two or more hemispherical convex portions 81 projecting toward the elastic contact piece 21 side are formed, and the front hemispherical convex portion 81b is inserted into the box portion 2 of the insertion tab 300 with respect to the rear hemispherical convex portion 81a.
  • two or more hemispherical convex portions 81 are formed on the inner ceiling portion 22b, and the insertion tab 300 is sandwiched and fitted between the inner ceiling portion 22b and the elastic contact piece 21, thus ensuring a contact area and ensuring Can be realized.
  • the front hemispherical convex portion 81b is arranged at a position intersecting the insertion direction X of the insertion tab 300 into the box portion 2 with respect to the rear hemispherical convex portion 81a, and the two hemispherical convex portions 81 are arranged. Since the formed bead 80 is arranged so as to intersect the width direction Y orthogonal to the insertion direction X in the surface of the inner ceiling portion 22b, the hemispherical convex portions 81 arranged at different positions in the insertion direction X have a width. The direction position is also different.
  • the front hemispherical convex portion 81b slides on a smooth unslidable portion on the insertion tab 300, which is different from the portion where the rear hemispherical convex portion 81a slides on the insertion tab 300. Therefore, an increase in insertion force can be prevented as compared with a case where sliding resistance is increased by further sliding the already slid portion.
  • the contact load can be designed to be as large as possible without increasing the insertion force.
  • the female crimp terminal 1 is excellent against fine sliding wear caused by vibration during traveling of an automobile. Can be configured.
  • such a female crimp terminal 1 is configured by crimping and connecting a covered electric wire 200 to the wire barrel portion 4 to form a crimp connection structure 500a.
  • a female connector 400a By mounting the female crimp terminal 1 on the female connector housing 401a, it is possible to configure a female connector 400a having reliable conductivity while suppressing an increase in insertion force.
  • the insulated wire 200 is connected to a male crimp terminal (not shown) to form the crimp connection structure 500b, and the male crimp terminal of the crimp connection structure 500b is attached to the male connector housing 401b to connect the male connector. 400b is configured.
  • the connector 400 can be configured so as to be conductive.
  • the female crimp terminal 1 to be attached to the female connector housing 401a is configured as described above, even if the connector 400 (400a, 400b) has an increased number of terminals due to a complicated circuit configuration, etc. While suppressing an increase in force, it is possible to securely connect and secure a stable connection state.
  • a plurality of female crimp terminals are mounted on the female connector housing 401a, but not all the female crimp terminals are configured as the female crimp terminals 1 of the present invention, and at least one of them is configured by the female crimp terminals 1. The increase in insertion force can be suppressed.
  • the width direction position which is the position of each hemispherical convex portion 81 in the width direction Y, is set such that the width direction interval c between the width direction centers of each hemispherical convex portion 81 is the hemispherical convex portion 81 and the insertion tab 300.
  • each hemispherical convex portion 81 when the position in the width direction of each hemispherical convex portion 81 is set so that the widthwise interval c is less than or equal to half of the contact width a, the sliding locus R2 of the front hemispherical convex portion 81b and the rear hemispherical convexity The sliding trajectory R1 of the portion 81a overlaps more than half. In this way, the insertion force is increased when the front hemispherical convex portion 81b slides again so that the rear hemispherical convex portion 81a already overlaps the sliding locus R1 that has already slid.
  • the front hemispherical convex portion 81b is guided to the sliding locus R1 in which the rear hemispherical convex portion 81a has already slid, so that the sliding resistance is reduced. Increases the insertion force.
  • the sliding locus R by each hemispherical convex portion 81 is It is possible to prevent an increase in insertion force due to an increase in sliding resistance by shifting in the width direction Y.
  • an oblique bead 80 that is long in the direction intersecting the insertion direction X and protrudes toward the elastic contact piece 21 side and has an intermediate recess 82 corresponding to a predetermined length at least in the intermediate portion is formed on the inner ceiling portion 22b.
  • the hemispherical convex portions 81 formed on both sides of the intermediate concave portion 82 in the intermediate portion are integrally formed with the oblique bead 80, the hemispherical convex portions 81 are respectively formed on the inner ceiling portion 22 b of the downsized female crimp terminal 1.
  • the hemispherical convex portion 81 having a high strength, for example, having a height for reliably contacting the insertion tab 300 can be reliably formed. Therefore, reliable conductive performance can be ensured.
  • the hemispherical convex portion 81 is formed in a hemispherical shape with a radius of 0.1 mm or more on both sides of the intermediate concave portion 82 in the oblique bead 80, but is an explanatory view of another oblique bead 80 ′.
  • the hemispherical convex portion 81 (flat convex portion 83) and the intermediate concave portion 82 may be continuously formed with a smooth curve in the insertion direction X.
  • the continuous portion with the intermediate concave portion 82 in the rear of the insertion direction X of the front hemispherical convex portion 81b and the continuous portion with the inner ceiling portion 22b in the rear of the insertion direction X of the rear hemispherical convex portion 81a are approximately 0. It may be formed with a radius of 1 mm or more.
  • the insertion tab 300 inserted into the box part 2 is formed into a hemispherical convex portion 81 (flat convex portion) in the oblique bead 80 ′. 83), it is possible to prevent the occurrence of the problem that the insertion force increases due to being caught in the rear portion in the insertion direction X.
  • the oblique beads 80 ′ may be formed asymmetrically in the insertion direction X. Specifically, a continuous portion of the front hemispherical convex portion 81b with the intermediate concave portion 82 in the rear of the insertion direction X and a continuous portion of the rear hemispherical convex portion 81a with the inner ceiling portion 22b in the rear of the insertion direction X have radius 0.
  • a continuous portion Formed with a smooth curve of 1 mm or more, a continuous portion with the inner ceiling portion 22b in front of the insertion direction X of the front hemispherical convex portion 81b, and an intermediate concave portion 82 in front of the insertion direction X of the rear hemispherical convex portion 81a
  • the continuous portion may be formed by a curve having a radius of 0.1 mm or less. The effect similar to the said effect can be acquired also by this.
  • the slanted bead 80 having the hemispherical convex portion 81 and the flat convex portion 83 and the independent hemispherical convex portion 91 (independent flat convex portion 93) are the inner sides constituting the ceiling portion 22 of the box portion 2.
  • the inner side ceiling portion 22b is provided with a ceiling-side elastic contact piece 24 having spring characteristics similarly to the elastic contact piece 21, and the oblique beads 80 having the hemispherical convex portion 81 and the flat convex portion 83
  • the female crimp terminal 1 may be a double elastic contact piece type in which the independent hemispherical convex portion 91 (independent flat convex portion 93) is formed on the ceiling-side elastic contact piece 24 (see FIG. 8).
  • the female crimp terminal 1 of the double elastic contact piece type has the elastic contact piece 21 and the ceiling-side elastic contact piece 24, and the elastic contact piece 21 and the insertion tab 300 inserted into the box portion 2.
  • the urging forces of the ceiling-side elastic contact pieces 24 are caused to act in opposite directions, and the insertion tab 300 can be sandwiched to be electrically and physically connected.
  • the width direction interval c is the contact width.
  • the oblique beads 80 are arranged according to the arrangement type D described above (Invention Example 25), and the independent hemispherical convex portion 91 (independent flat convex portion 93) is disposed as described above.
  • the arrangement types E and F were used (Invention Examples 26 and 27), and the direct beads 180 were arranged using the above-described arrangement type Y (Comparative Examples 13 and 14).
  • the ceiling-side elastic contact can be obtained by setting the width direction interval c to more than half of the contact width a. It was confirmed that the insertion force of the insertion tab 300 was reduced as compared with the direct bead 180 formed on the piece 24.
  • the double elastic contact piece type female crimp terminal 1 has a ceiling-side elastic contact piece 24 having elasticity in the direction of the opposing elastic contact piece 21 in addition to the effect of suppressing an increase in the insertion force of the insertion tab 300.
  • the elastic contact piece 21 and the ceiling-side elastic contact piece 24 are sandwiched and fitted to the inserted insertion tab 300 while urging each other in the opposite direction.
  • the elastic contact piece 21 and the ceiling-side elastic contact piece 24 are sandwiched and fitted to the inserted insertion tab 300 while urging each other in the opposite direction, thereby ensuring more reliable conductive performance. . Further, since the elastic contact piece 21 and the ceiling-side elastic contact piece 24 are sandwiched and fitted while being urged in the opposite direction, they can be urged and fitted with a desired urging force.
  • the inner ceiling portion 22b may be provided with an additional convex portion arranged in the insertion direction X direction with respect to the convex portions (81, 83, 91, 93).
  • the contact area between the insertion tab 300 and the female crimp terminal 1 can be enlarged while ensuring the minimum.
  • FIGS. 9 and 10 which are partial plan views and front views.
  • the front position convex portion 101 may be arranged on the insertion direction X of the convex portions (81, 83, 91, 93) while ensuring.
  • the front position convex portion 101 and the tip position convex portion 102 are shown as squares, but this only shows the positions of the front position convex portion 101 and the tip position convex portion 102.
  • the independent hemispherical convex portion 91 and the independent flat convex portion 93 may be formed in the same shape, or may be formed in different shapes.
  • the front position convex portion 101 can be arranged with respect to the convex portions (81, 83, 91, 93) of less than half of the plurality of convex portions (81, 83, 91, 93).
  • FIG. 9A in which four independent hemispherical convex portions 91 (93) are arranged, two front position convex portions 101 are inserted into the independent hemispherical convex portions 91 (93) behind the insertion direction X. It is arranged in front of the insertion direction X on the direction X.
  • FIGS. 9B, 9C, and 9D in which three independent hemispherical convex portions 91 (93) are arranged, one or less half of the front position convex portions 101 are independent hemispherical in the rear of the insertion direction X. It arrange
  • the contact area increase effect by the front position convex portion 101 is obtained while ensuring the increase suppression effect of the insertion force of the insertion tab 300 by the arrangement shifted in the insertion direction X of the independent hemispherical convex portion 91 (93). be able to.
  • the tip position convex portion 102 may be arranged at a position near the tip of the inserted insertion tab 300.
  • the position near the tip of the insertion tab 300 where the tip position convex portion 102 is arranged is a position related to the tip of the insertion tab 300 and may be a position from the tip to about 1/5 of the length of the insertion tab 300. That's fine.
  • the distal end position convex portion 102 and the insertion tab 300 have little influence on the insertion force in the insertion direction X because the insertion tab 300 and the distal end position convex portion 102 come into contact immediately before the insertion of the insertion tab 300 is completed.
  • the insertion tab 300 is provided even if two tip position convex portions 102 that are more than half of the three convex portions (81, 83, 91, 93) are arranged. The effect of suppressing the increase in the insertion force can be minimized.
  • the front position convex portion 101 and the tip position convex portion 102 may be provided side by side.
  • the fitting means of the present invention corresponds to the box portion 2
  • the female terminal corresponds to the female crimp terminal 1
  • the elastic contact portion corresponds to the elastic contact piece 21
  • the opposing contact portion corresponds to the inner ceiling portion 22b
  • the convex parts correspond to the hemispherical convex part 81, the rear hemispherical convex part 81a, the front hemispherical convex part 81b, the flat convex part 83, the independent hemispherical convex part 91 and the independent flat convex part 93
  • the convex group corresponds to the diagonal bead 80
  • the recess corresponds to the intermediate recess 82
  • the overhang corresponds to the diagonal bead 80
  • the elastic facing contact portion corresponds to the ceiling-side elastic contact piece 24,
  • the crimping part corresponds to the wire barrel part 4,
  • the wire barrel part 4 The

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention concerne une borne femelle excellente conductrice de l'électricité bénéficiant d'une force d'insertion réduite sur un moyen de raccord d'une patte d'insertion sur une borne mâle. La borne à sertir femelle (1) selon l'invention est pourvue d'un logement (2) permettant l'insertion de la patte d'insertion (300) sur la borne mâle, le logement (2) étant pourvu d'une pièce de contact élastique (21) venant élastiquement au contact de la patte d'insertion (300) insérée et d'une partie voûte intérieure (22b) en regard de la pièce de contact élastique (21) qui prend en sandwich la patte d'insertion (300) insérée avec la pièce de contact élastique (21). Des protubérances hémisphériques (81) qui font saillie vers la pièce de contact élastique (21) sont formées sur la partie voûte intérieure (22b). Des protubérances hémisphériques avant (81b) occupent des positions relatives à des protubérances hémisphériques arrière (81a) qui coupent la direction d'insertion (X) de la patte d'insertion (300), et des nervures diagonales (80) dont les deux extrémités sont pourvues de saillies hémisphériques (81) sont formées dans la surface de la partie voûte intérieure (22b) de manière à couper le sens de la largeur (Y).
PCT/JP2011/057994 2010-03-31 2011-03-30 Borne femelle WO2011125727A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012509511A JP5435516B2 (ja) 2010-03-31 2011-03-30 雌型端子
CN201180016995.5A CN102834981B (zh) 2010-03-31 2011-03-30 雌型端子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010083202 2010-03-31
JP2010-083202 2010-03-31

Publications (1)

Publication Number Publication Date
WO2011125727A1 true WO2011125727A1 (fr) 2011-10-13

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Application Number Title Priority Date Filing Date
PCT/JP2011/057994 WO2011125727A1 (fr) 2010-03-31 2011-03-30 Borne femelle

Country Status (3)

Country Link
JP (1) JP5435516B2 (fr)
CN (1) CN102834981B (fr)
WO (1) WO2011125727A1 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013098088A (ja) * 2011-11-02 2013-05-20 Sumitomo Wiring Syst Ltd 雌型端子金具
WO2015111608A1 (fr) * 2014-01-21 2015-07-30 矢崎総業株式会社 Structure de connexion de bornes
WO2015115363A1 (fr) * 2014-01-28 2015-08-06 矢崎総業株式会社 Structure de connexion de borne
WO2015159946A1 (fr) * 2014-04-18 2015-10-22 矢崎総業株式会社 Structure de connexion par contact
JP2015207513A (ja) * 2014-04-23 2015-11-19 矢崎総業株式会社 接点接続構造
JP2015207514A (ja) * 2014-04-23 2015-11-19 矢崎総業株式会社 接点接続構造
JP2015207403A (ja) * 2014-04-18 2015-11-19 矢崎総業株式会社 接点接続構造
JP2015210862A (ja) * 2014-04-24 2015-11-24 矢崎総業株式会社 接点接続構造
JP2015210870A (ja) * 2014-04-24 2015-11-24 矢崎総業株式会社 接点接続構造
JP2015210946A (ja) * 2014-04-25 2015-11-24 矢崎総業株式会社 接点接続構造
JP2016062710A (ja) * 2014-09-17 2016-04-25 矢崎総業株式会社 端子
JP2016136542A (ja) * 2016-04-28 2016-07-28 矢崎総業株式会社 雌端子構造
JP2016225222A (ja) * 2015-06-02 2016-12-28 矢崎総業株式会社 雌端子金具及びそれを備えたコネクタ
JP2017084611A (ja) * 2015-10-28 2017-05-18 矢崎総業株式会社 端子金具及び当該製造方法
EP3232514A1 (fr) * 2016-04-14 2017-10-18 Japan Aviation Electronics Industry, Ltd. Borne connecteur
EP3236534A1 (fr) * 2016-04-21 2017-10-25 Japan Aviation Electronics Industry, Ltd. Borne connecteur
JP2017204397A (ja) * 2016-05-12 2017-11-16 住友電装株式会社 端子
WO2017195568A1 (fr) * 2016-05-12 2017-11-16 住友電装株式会社 Borne
WO2017199765A1 (fr) * 2016-05-18 2017-11-23 住友電装株式会社 Raccord de borne femelle
EP3477783A1 (fr) * 2017-10-24 2019-05-01 Bals Elektrotechnik GmbH & Co. Kg Douille de contact pour un connecteur enfichable électrique
WO2020054390A1 (fr) * 2018-09-12 2020-03-19 株式会社オートネットワーク技術研究所 Borne de connexion et connecteur
CN113851872A (zh) * 2020-06-26 2021-12-28 爱沛股份有限公司 端子

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CN105449603B (zh) * 2015-12-28 2017-09-29 苏州卓德电子有限公司 一种汽车线束的支架
CN112038805A (zh) * 2020-10-13 2020-12-04 陈丽霞 一种弯直头连接器插孔
JP7168626B2 (ja) * 2020-10-23 2022-11-09 矢崎総業株式会社 接続端子

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JP2002063961A (ja) * 2000-06-07 2002-02-28 Yazaki Corp 雌端子、及び、雌端子と雄端子との接続構造
JP2006172877A (ja) * 2004-12-15 2006-06-29 Sumitomo Wiring Syst Ltd 端子金具
JP2006221927A (ja) * 2005-02-09 2006-08-24 Funai Electric Co Ltd 電源端子およびこれを備えたプリンタ装置
JP2006228669A (ja) * 2005-02-21 2006-08-31 I-Pex Co Ltd 電気コネクタの接続端子
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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013098088A (ja) * 2011-11-02 2013-05-20 Sumitomo Wiring Syst Ltd 雌型端子金具
WO2015111608A1 (fr) * 2014-01-21 2015-07-30 矢崎総業株式会社 Structure de connexion de bornes
WO2015115363A1 (fr) * 2014-01-28 2015-08-06 矢崎総業株式会社 Structure de connexion de borne
JP2015207403A (ja) * 2014-04-18 2015-11-19 矢崎総業株式会社 接点接続構造
WO2015159946A1 (fr) * 2014-04-18 2015-10-22 矢崎総業株式会社 Structure de connexion par contact
US10056708B2 (en) 2014-04-18 2018-08-21 Yazaki Corporation Contact-connection structure
JP2015207513A (ja) * 2014-04-23 2015-11-19 矢崎総業株式会社 接点接続構造
JP2015207514A (ja) * 2014-04-23 2015-11-19 矢崎総業株式会社 接点接続構造
JP2015210862A (ja) * 2014-04-24 2015-11-24 矢崎総業株式会社 接点接続構造
JP2015210870A (ja) * 2014-04-24 2015-11-24 矢崎総業株式会社 接点接続構造
JP2015210946A (ja) * 2014-04-25 2015-11-24 矢崎総業株式会社 接点接続構造
JP2016062710A (ja) * 2014-09-17 2016-04-25 矢崎総業株式会社 端子
US9490563B2 (en) 2014-09-17 2016-11-08 Yazaki Corporation Female connector with improved contact area
JP2016225222A (ja) * 2015-06-02 2016-12-28 矢崎総業株式会社 雌端子金具及びそれを備えたコネクタ
JP2017084611A (ja) * 2015-10-28 2017-05-18 矢崎総業株式会社 端子金具及び当該製造方法
US9966683B2 (en) 2016-04-14 2018-05-08 Japan Aviation Electronics Industry, Limited Connector terminal
EP3232514A1 (fr) * 2016-04-14 2017-10-18 Japan Aviation Electronics Industry, Ltd. Borne connecteur
EP3236534A1 (fr) * 2016-04-21 2017-10-25 Japan Aviation Electronics Industry, Ltd. Borne connecteur
JP2016136542A (ja) * 2016-04-28 2016-07-28 矢崎総業株式会社 雌端子構造
JP2017204397A (ja) * 2016-05-12 2017-11-16 住友電装株式会社 端子
WO2017195569A1 (fr) * 2016-05-12 2017-11-16 住友電装株式会社 Borne
WO2017195568A1 (fr) * 2016-05-12 2017-11-16 住友電装株式会社 Borne
JP2017208223A (ja) * 2016-05-18 2017-11-24 住友電装株式会社 雌端子金具
WO2017199765A1 (fr) * 2016-05-18 2017-11-23 住友電装株式会社 Raccord de borne femelle
US10446962B2 (en) 2016-05-18 2019-10-15 Sumitomo Wiring Systems, Ltd. Female terminal fitting
EP3477783A1 (fr) * 2017-10-24 2019-05-01 Bals Elektrotechnik GmbH & Co. Kg Douille de contact pour un connecteur enfichable électrique
WO2020054390A1 (fr) * 2018-09-12 2020-03-19 株式会社オートネットワーク技術研究所 Borne de connexion et connecteur
CN113851872A (zh) * 2020-06-26 2021-12-28 爱沛股份有限公司 端子

Also Published As

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CN102834981B (zh) 2015-06-24
CN102834981A (zh) 2012-12-19
JP5435516B2 (ja) 2014-03-05
JPWO2011125727A1 (ja) 2013-07-08

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