WO2019181855A1 - Relay attachment portion, and electrical connection box - Google Patents

Relay attachment portion, and electrical connection box Download PDF

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Publication number
WO2019181855A1
WO2019181855A1 PCT/JP2019/011185 JP2019011185W WO2019181855A1 WO 2019181855 A1 WO2019181855 A1 WO 2019181855A1 JP 2019011185 W JP2019011185 W JP 2019011185W WO 2019181855 A1 WO2019181855 A1 WO 2019181855A1
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WO
WIPO (PCT)
Prior art keywords
relay
terminal
gripping
tuning fork
gripping portion
Prior art date
Application number
PCT/JP2019/011185
Other languages
French (fr)
Japanese (ja)
Inventor
俊道 上西
友嗣 白鳥
文和 内見
浩輝 柴田
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 JP2020507788A priority Critical patent/JP7203820B2/en
Publication of WO2019181855A1 publication Critical patent/WO2019181855A1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box

Definitions

  • the present invention relates to, for example, a relay mounting portion provided in an electrical connection box mounted on a vehicle such as an automobile, and an electrical connection box including the relay mounting portion.
  • relay terminals As a relay attached to an electric junction box provided between a battery mounted on a vehicle such as an automobile and other electronic devices, for example, a plate shape protruding downward from the bottom surface of a relay body incorporating an electric circuit There are three relay terminals arranged side by side along the first direction and two along the second direction orthogonal to the first direction.
  • the electrical connection box is arranged on a circuit board including an electrical circuit so that a terminal gripping part that grips the relay terminal corresponds to the relay terminal (that is, (3 terminal grips are arranged side by side in the first direction and 2 in the second direction), and the relay gripping part of the relay mounting part grips the relay terminal so that the electric power built in the relay body
  • the circuit and the electric circuit provided in the relay mounting portion can be electrically connected.
  • the relay terminal and the terminal gripping portion disposed on one end side in the first direction, for example, due to the vibration of the vehicle on which the electrical junction box provided with the relay mounting portion is mounted.
  • the relay terminal may pivot with the contact part of the pivot as the pivot axis, which may cause the contact between the relay terminal arranged on the other end side and the terminal gripping part to loosen due to pivoting, resulting in poor contact. was there.
  • the present invention includes a relay mounting portion that can improve a gripping force of a terminal gripping portion that grips a relay terminal and suppress contact failure of a relay terminal due to vehicle vibration and the like, and the relay mounting portion.
  • the purpose is to provide an electrical junction box.
  • the present invention is a relay mounting portion that is electrically connected by assembling a relay composed of a relay main body and a plurality of plate-like relay terminals protruding from the relay main body, and a plurality of the grips holding the relay terminal
  • the terminal gripping portion is connected to the pair of sandwiching pieces provided so that the proximal end side is connected and the distal end side is opened, and the sandwiching piece is opposed to the sandwiching piece on the distal end side of the sandwiching piece.
  • a plurality of the terminal grips with a predetermined interval in a second direction orthogonal to the first direction, the orientation being in line with the first direction.
  • a first gripping portion group in which a plurality of terminal gripping portions are arranged at predetermined intervals in the first direction, along with the first gripping portion group in which the portions are arranged.
  • the first gripping portion The terminal gripping portion disposed in the central portion in the second direction, and the terminal gripping portion disposed in the central portion in the second direction in the first gripping portion group among the second gripping portion group. At least one of these is constituted by a strong gripping portion having a gripping force stronger than that of the other terminal gripping portions.
  • this invention is an electrical junction box provided with the above-mentioned relay mounting part.
  • the direction along the first direction and the direction along the second direction are the main surface of the terminal gripping part and the second gripping part constituting the first gripping part group.
  • the main surface of the terminal holding part which comprises a group points out the state which has faced said 1st direction and said 2nd direction, respectively.
  • the plurality of terminal gripping portions are arranged at predetermined intervals in the second direction described above means that the main surface of the terminal gripping portions constituting the first gripping portion group is straight along the second direction.
  • a plurality of the terminal gripping portions are arranged at predetermined intervals in the first direction described above means that the main surface of the terminal gripping portions constituting the second gripping portion group is in the first direction. And a configuration in which the respective terminal gripping portions are shifted in the second direction so as not to be aligned in a straight line.
  • the gripping force for gripping the relay terminal can be improved, and contact failure of the relay terminal due to vehicle vibration or the like can be suppressed. More specifically, the terminal gripping portion disposed at the center portion in the second direction in the first gripping portion group, and the second direction in the first gripping portion group in the second gripping portion group. Since the strong gripping portion is disposed in at least one of the terminal gripping portions disposed in the central portion, that is, since the strong gripping portion is disposed in the central portion of the relay mounting portion, the relay mounting portion The gripping force for gripping the relay terminal as a whole can be improved.
  • the strong gripping portion firmly grips the relay terminal disposed in the central portion of the relay, so that even if a vehicle or the like on which the relay mounting portion is mounted vibrates, Since the pivot axis can be a contact portion with the strong gripping portion, the strong gripping portion can suppress pivoting due to vibration.
  • the relay terminal gripped by the terminal gripping portion disposed on the outside serves as a pivot shaft
  • the relay terminal gripped by the strong grip portion and serving as a pivot shaft Since the distance from the relay terminal gripped by the terminal gripping portion is reduced, the pivot distance at which the relay terminal gripped by the other terminal gripping portion pivots due to vehicle vibration can be shortened. . Therefore, the relay can be stably held by the relay mounting portion, and poor contact between the relay terminal and the terminal holding portion due to vibration can be suppressed.
  • the clamping piece in the strong gripping part may be configured to be shorter than the clamping piece in the other terminal gripping part. That the clamping piece in the above-mentioned strong gripping part is configured shorter than the clamping piece in the other terminal gripping part means that the tip position of the contact part of the strong gripping part is in contact with the other terminal gripping part A configuration in which the tip end position of the contact portion in the strong gripping portion is the same as the contact portion in the other terminal gripping portion, and the contact portion in the strong gripping portion is lengthened. Including.
  • the gripping force of the strong gripping portion can be made stronger than the other terminal gripping portions, and the gripping force for gripping the relay terminal can be increased. Can be improved. Thereby, the relay can be stably held by the relay mounting portion.
  • the tip of the contact portion in the strong gripping portion is made lower than the tip position of the contact portion in the other terminal gripping portion by shortening the clamping piece in the strong gripping portion
  • the timing at which the relay terminal comes into contact with the other terminal gripping portion and the timing at which the relay terminal comes into contact with the strong gripping portion can be shifted, so that the relay can be The insertion force required for mounting on the relay mounting portion can be reduced.
  • the contact portion in the strong gripping portion may be configured to be longer along the insertion direction of the relay terminal than the corresponding contact portion in the other terminal gripping portion. According to the present invention, it is possible to improve the electrical conductivity between the relay terminal and the strong gripping portion, which improves the gripping force of the strong gripping portion.
  • the contact area between the contact portion and the relay terminal can be increased, it is possible to suppress the contact portion between the strong gripping portion and the relay terminal from functioning as a pivot shaft. Even if it pivots due to vibration, the contact portion can suppress pivoting of the relay terminal. Therefore, the contact failure of the relay terminal held by the other terminal holding portion can be more reliably suppressed.
  • the contact portion in the strong gripping portion is provided on the distal end side or the proximal end side along the insertion direction of the relay terminal from the position of the contact portion in the other terminal gripping portion. May be.
  • the timing at which the strong gripping portion abuts on the relay terminal and the timing at which the other terminal gripping portion abuts on the relay terminal can be shifted, so that the gripping force of the relay mounting portion is maintained.
  • the insertion force required to attach the relay to the relay attachment portion can be reduced.
  • the abutting portion in the strong gripping portion is provided on the base end side along the insertion direction of the relay terminal from the position of the abutting portion in the other terminal gripping portion, the clamping in the strong gripping portion is performed. Since the piece can be shortened, the deflection can be reduced, and the gripping force can be improved with a simple configuration while reducing the burden on the gripping portion.
  • a taper surface that is inclined toward the abutting portion facing to the proximal end side in the insertion direction of the relay terminal in the abutting portion is provided, and the tapered surface in the strong gripping portion is: You may comprise by the gentle inclination rather than the taper surface in the said other terminal holding part. According to the present invention, since the relay terminal can be guided to the terminal gripping portion, the relay can be more reliably attached.
  • the tapered surface of the contact portion in the strong gripping portion is configured with a gentler inclined surface than the taper surface of the contact portion in the other terminal gripping portion, so that the strong gripping portion has the taper surface.
  • the contact area of the contact portion can be increased, and the gripping force of the strong grip portion can be improved.
  • the strong gripping portion is provided on the side of the first gripping portion group or the second gripping portion group that has a small number of the terminal gripping portions arranged at a predetermined interval. May be. According to the present invention, it is possible to prevent a decrease in the gripping force in the first direction or the second direction in which the number of the terminal gripping portions is small, so that the entire relay mounting portion can have a stable gripping force.
  • the present invention it is possible to improve the gripping force of a gripping part that grips a relay terminal, and to provide a relay mounting part that can suppress poor contact of the relay terminal due to vehicle vibration or the like, and an electrical junction box including the relay mounting part. Can do.
  • the schematic exploded perspective view of an electric junction box The schematic exploded perspective view of a relay and a relay attachment part. Explanatory drawing of a relay attachment part. The front view of a 1st tuning fork terminal and a 2nd tuning fork terminal. The rear view of a relay. Explanatory drawing of the attachment process of a relay and a relay attachment part. Explanatory drawing of the 2nd tuning fork terminal in other embodiment.
  • FIG. 1 is a schematic exploded perspective view of the electrical junction box 1.
  • the near side corner part of the lower cover 11 which comprises the electrical junction box 1 is shown with the broken line, and this broken line part represents the state which permeate
  • the longitudinal direction of the electrical junction box 1 is a first direction F
  • the short direction of the electrical junction box 1 is a second direction S
  • the height direction H is orthogonal to both the first direction F and the second direction S that are orthogonal to each other.
  • the left side of the first direction F is the + F side
  • the right side is the -F side
  • the right side of the second direction S is the + S side
  • the left side is the -S side.
  • FIG. 2 shows a schematic perspective view of the relay mounting portion 20 provided in the electrical junction box 1 and the relay 30 mounted on the relay mounting portion 20
  • FIG. 3 shows an explanatory view of the relay mounting portion 20
  • FIG. 5 shows a front view of the tuning fork terminal 40 assembled to the section 20, and
  • FIG. 5 shows a bottom view of the relay 30.
  • FIG. 3A shows a front view of the relay mounting portion 20 viewed from the + F side in the first direction F
  • FIG. 3B shows the relay mounting portion 20 viewed from above
  • FIG. 4A shows a front view showing the main surface side of the first tuning fork terminal 40a
  • FIG. 4B shows a front view showing the main surface side of the second tuning fork terminal 40b.
  • An electrical junction box 1 mounted on a vehicle is disposed between a power source (not shown) such as a battery and external devices (not shown) provided outside the electrical junction box 1. Electrically connected.
  • the electrical junction box 1 includes an electrical junction box main body 10 that is a rectangular housing, a relay attachment portion 20 provided inside the electrical junction box main body 10, and a relay attachment portion 20. It is comprised with the relay 30 attached with respect to it.
  • the electrical junction box main body 10 is composed of a bottomed rectangular tube-shaped lower cover 11 having an accommodating space for accommodating the relay mounting portion 20 and the like, and an upper cover 12 covering the upper side of the lower cover 11.
  • the relay mounting portion 20 attached to the lower cover 11 includes a circuit board 21 provided with an electronic circuit on the back surface and five tuning fork terminals 40 erected on the front surface side of the circuit board 21. ing.
  • the circuit board 21 is a single circuit board in which five tuning fork terminals 40 are erected, but for example, one tuning board with a plurality of tuning fork terminals 40 as a set, such as a single sheet. It may be a circuit board.
  • the three tuning fork terminals 40 are arranged along the second direction S while the main surface faces the first direction F, as shown in FIGS.
  • the three tuning fork terminals 40 constitute a first gripping part group 22. Note that the three tuning fork terminals 40 constituting the first gripping portion group 22 are composed of the same type of first tuning fork terminals 40a.
  • the tuning fork terminal 40 constituting the second gripping portion group 23 is composed of a first tuning fork terminal 40a and a second tuning fork terminal 40b.
  • the second tuning fork terminal 40b is disposed on the ⁇ F side of the first direction F so as to face the middle first tuning fork terminal 40a constituting the first gripping portion group 22, and is arranged in the center of the second direction S. It is arranged on the + S side in the second direction S with respect to the first tuning fork terminal 40a constituting the second gripping portion group 23 arranged in the portion.
  • the tuning fork terminal 40 is a conductive metal tuning fork terminal.
  • the tuning fork terminal 40 is a flat base end 41, sandwiching pieces 42, 42 erected above the base end 41, and tips of the sandwiching pieces 42, 42.
  • the contact portions 43, 43 projecting toward the sandwiching pieces 42, 42 facing each other, and the lead portions 44, 44 projecting downward from the bottom surface of the base end portion 41 are integrally formed.
  • the base end portion 41 is formed of a metal flat plate having a predetermined plate thickness, and is directed downward so that the inner edge is line-symmetric with respect to the width direction at the center portion in the width direction on the upper surface side.
  • a curved recess 45 formed in a substantially V shape by being recessed is formed.
  • the sandwiching pieces 42, 42 are metal pieces having the same plate thickness as the base end portion 41, and are erected upward from both ends in the width direction of the base end portion 41 so that the inner edge is continuous with the curved recess 45. . That is, the sandwiching pieces 42 and 42 are provided so that the proximal end side is connected to the proximal end portion 41 and the distal end side is open, and an insertion opening 48 is formed between the sandwiching pieces 42 and 42.
  • the connection part of the inner edge of the clamping pieces 42 and 42 and the curved recessed part 45 is curving so that it may connect smoothly.
  • the contact portions 43, 43 are projecting portions that protrude upward and toward the center in the width direction from the upper ends of the sandwiching pieces 42, 42, and the distance between the contact portions 43, 43 is greater than the plate thickness of the relay terminal 32 described later. Is configured to be slightly narrower. Moreover, the taper surface 46 which inclines below toward the width direction center is formed in the center side upper end part of the width direction of contact part 43,43.
  • the lead parts 44, 44 are metal legs having the same plate thickness as the base end part 41 and projecting downward from the bottom surface of the base end part 41, and are arranged at a predetermined interval in the width direction. Further, an insertion taper surface 47 that is inclined toward the center in the width direction as it goes downward is formed at the outer lower end portion of each lead portion 44 in the width direction.
  • the lead portions 44 and 44 are inserted into through-holes (not shown) provided in the circuit board 21 and joined to the circuit board 21 by solder or the like, so that an electric circuit and an electric circuit configured on the back surface of the circuit board 21 are electrically connected. Can be connected.
  • the tuning fork terminal 40 configured in this manner includes a first tuning fork terminal 40a and a second tuning fork terminal 40b having the same basic configuration as the first tuning fork terminal 40a but different in detail.
  • the first tuning fork terminal 40a includes a base end portion 41 formed of a flat plate, a pair of sandwiching pieces 42a and 42a having the same configuration as the sandwiching pieces 42 and 42, and a contact portion.
  • the tuning fork terminal is configured integrally with a pair of contact portions 43 a and 43 a and a pair of lead portions 44 and 44, which have the same configuration as 43 and 43.
  • the contact portions 43a and 43a are provided with tapered surfaces 46a.
  • the basic structure of the second tuning fork terminal 40b is the same as that of the tuning fork terminal 40 (first tuning fork terminal 40a). However, as shown in FIGS. Different.
  • the second tuning fork terminal 40b includes a base end portion 41, a pair of sandwiching pieces 42b and 42b projecting upward from both ends in the width direction of the base end portion 41, and a sandwiching portion facing from the upper ends of the sandwiching pieces 42b and 42b.
  • a pair of contact portions 43b and 43b projecting toward the pieces 42b and 42b and lead portions 44 and 44 are integrally formed.
  • the sandwiching pieces 42 b and 42 b are metal pieces having the same plate thickness as the base end portion 41, and are erected upward from both ends in the width direction of the base end portion 41 so as to be continuous with the curved recess 45.
  • the sandwiching pieces 42b and 42b are configured such that the length in the height direction H is shorter than the sandwiching pieces 42a and 42a of the first tuning fork terminal 40a.
  • the connection part of clamping piece 42b, 42b and the curved recessed part 45 is curving, and the clamping piece 42b, 42b and the curved recessed part 45 are connected smoothly.
  • the contact portions 43b and 43b are projecting portions that protrude upward and toward the center in the width direction from the upper ends of the sandwiching pieces 42b and 42b, and the distance between the contact portions 43b and 43b is greater than the plate thickness of the relay terminal 32 described later. Is configured to be slightly narrower. Further, the length of the contact portions 43b and 43b with respect to the height direction H is longer than the length of the contact portions 43a and 43a with respect to the height direction H as shown in FIGS. 4 (a) and 4 (b). It is comprised so that it may become.
  • a taper surface 46b that is inclined downward as it goes toward the center in the width direction is formed at the upper end portion on the center side in the width direction of the contact portions 43b and 43b. As shown in FIGS. 4A and 4B, the tapered surface 46b has a gentler slope than the tapered surface 46a.
  • the second tuning fork terminal 40b configured in this way has a length in the height direction H of the contact portions 43b and 43b is longer than that of the contact portions 43a and 43a, the area of the contact portions 43b and 43b facing each other. However, it becomes larger than the area of contact part 43a, 43a.
  • the relay 30 attached to the relay attachment portion 20 is electrically connected to a relay main body 31 containing an electric circuit (not shown) and an electric circuit built in the relay main body 31. And a relay terminal 32 that protrudes downward from the bottom surface of the relay body 31.
  • the relay terminal 32 is a plate-like terminal having a predetermined plate thickness.
  • the relay terminal 32 has a main surface orientation different from that of the tuning fork terminal 40 at a position corresponding to the tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) disposed in the relay mounting portion 20. It arrange
  • the relay mounting portion 20 configured as described above is provided inside the electric junction box body 10 and is provided inside the relay circuit 31 and the electric circuit provided on the circuit board 21 by attaching the relay 30 from above. An electrical circuit can be electrically connected.
  • the attachment of the relay 30 to the relay attachment portion 20 will be briefly described with reference to FIG.
  • FIG. 6 is an explanatory view showing an attachment process for attaching the relay 30 to the relay attachment portion 20
  • FIG. 6 (a) is an initial stage in which the relay 30 is inserted into the relay attachment portion 20
  • 6B is a side view of the relay mounting portion 20 and the relay 30 in a state where the relay 30 is assembled to the relay mounting portion 20.
  • the relay 30 In order to mount the relay 30 on the relay mounting portion 20, the relay 30 is positioned above the relay mounting portion 20 so that the relay terminal 32 protruding downward from the relay body 31 faces the tuning fork terminal 40 erected from the circuit board 21. And move it down.
  • the contact portion T2 of the contact portions 43b and 43b with the relay terminal 32 is lower than the contact portion T1 of the contact portions 43a and 43a with the relay terminal 32. Therefore, the relay terminal 32 corresponding to the first tuning fork terminal 40a is first guided by the tapered surfaces 46a and 46a and is disposed between the contact portions 43a and 43a. In this state, the relay terminal 32 is inserted between the contact portions 43a and 43a by pushing and moving the relay 30 downward.
  • the relay terminal 32 corresponding to the contact portions 43b and 43b is arranged between the contact portions 43b and 43b, and between the contact portions 43b and 43b. (See FIG. 6B). Thereby, the relay 30 can be attached to the relay attachment part 20.
  • the base ends of the contact portions 43b and 43b in the second tuning fork terminal 40b are closer to the base end side in the height direction H than the base ends of the contact portions 43a and 43a in the other first tuning fork terminals 40a (see FIG. 6 (b), the clamping pieces 42b, 42b in the second tuning fork terminal 40b can be shortened, so that the deflection can be reduced and the gripping force can be improved with a simple configuration.
  • the relative gripping force of the tuning fork terminal 40 is measured by inserting the relay terminal 32 between the contact portions 43 and 43 and then inserting the relay 30 at a predetermined speed (10 to 100 mm / min) in the insertion direction. Measurement is performed by pulling in the opposite direction and measuring the force required to release the state where the relay terminal 32 is assembled to each tuning fork terminal 40.
  • the relay mounting portion 20 assembled and electrically connected to the relay 30 composed of the relay main body 31 and a plurality (five) of plate-like relay terminals 32 protruding from the relay main body 31 is a relay.
  • a plurality (five) of tuning fork terminals 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) holding the terminal 32 are provided, and the tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) is a base.
  • a pair of clamping pieces 42 and 42 (clamping pieces 42a and 42a and clamping pieces 42b and 42b) provided so that the end sides are connected and the leading end side is opened, and clamping pieces 42 and 42 (clamping pieces 42a and 42a, clamping)
  • the abutting portions 43, 43 projecting toward the sandwiching pieces 42, 42 (the sandwiching pieces 42a, 42a, the sandwiching pieces 42b, 42b) facing each other on the front end side of the pieces 42b, 42b) Part 43a, 43a, contact part 43b, 43b), the direction is along the first direction F, and a plurality (3) with a predetermined interval in the second direction S orthogonal to the first direction F.
  • the first tuning fork terminal 40a and the first tuning fork terminal 40a and the first tuning fork terminal 40a and the first tuning fork terminal 40a and the first tuning fork terminal 40a are arranged at a predetermined interval in the first direction F. And a second tuning fork terminal 40b disposed in a central portion of the first gripping portion group 22 in the second direction S of the second gripping portion group 23.
  • the gripping force is stronger than that of the first tuning fork terminal 40a, the gripping force for gripping the relay terminal 32 can be improved, and the contact failure of the relay terminal 32 due to the vibration of the vehicle can be suppressed.
  • the second tuning fork terminal 40b is arranged at the central portion in the second direction S of the first gripping portion group 22 in the second gripping portion group 23, that is, at the central portion of the relay mounting portion 20, Since the two tuning fork terminal 40b is disposed, the gripping force with which the entire relay mounting portion 20 grips the relay terminal 32 can be improved.
  • the second tuning fork terminal 40b firmly holds the relay terminal 32 disposed in the center portion of the relay 30, so that even if the vehicle mounted with the relay mounting portion 20 vibrates, the pivoting due to the vibration Since the pivot shaft can be a contact portion with the second tuning fork terminal 40b, the pivot due to vibration can be suppressed.
  • the relay terminal 32 (that is, the second tuning fork terminal 40b) that is the pivot shaft is gripped.
  • the distance between the relay terminal 32) and the relay terminal 32 held by the first tuning fork terminal 40a can be reduced. For this reason, it is possible to shorten the pivot distance at which the relay terminal 32 held by the first tuning fork terminal 40a pivots due to the vibration of the vehicle. Therefore, the relay 30 can be stably held by the relay mounting portion 20, and contact failure between the relay terminal 32 and the first tuning fork terminal 40a due to vibration can be suppressed.
  • the clamping pieces 42b, 42b in the second tuning fork terminal 40b are configured to be shorter than the clamping pieces 42a, 42a in the first tuning fork terminal 40a, the deflection of the second tuning fork terminal 40b can be reduced.
  • the gripping force of 40b can be made stronger than the first tuning fork terminal 40a. Thereby, the gripping force for gripping the relay terminal 32 can be improved, and the relay 30 can be stably gripped by the relay mounting portion 20.
  • the tip positions of the contact portions 43b, 43b in the second tuning fork terminal 40b are changed to the tip positions of the contact portions 43a, 43a in the first tuning fork terminal 40a. Since the timing at which the relay terminal 32 abuts on the first tuning fork terminal 40a and the timing at which the relay terminal 32 abuts on the second tuning fork terminal 40b can be shifted, the relay 30 is improved while improving the overall holding force. Can be reduced in the insertion force required for mounting the relay mounting portion 20 on the relay mounting portion 20.
  • the contact portions 43b and 43b of the second tuning fork terminal 40b are configured such that the area of the surface along the insertion direction of the relay terminal 32 is wider than the corresponding area of the first tuning fork terminal 40a.
  • the gripping force of the tuning fork terminal 40b can be improved, and the electrical conductivity between the relay terminal 32 and the second tuning fork terminal 40b can be improved.
  • the contact area between the contact portions 43b and 43b and the relay terminal 32 can be increased, the contact portion between the second tuning fork terminal 40b and the relay terminal 32 is prevented from functioning as a pivot shaft.
  • the contact portions 43b and 43b can suppress the pivot of the relay terminal 32 even if it pivots due to vibration. Therefore, the contact failure of the relay terminal 32 held by the first tuning fork terminal 40a can be more reliably suppressed.
  • the abutting portions 43, 43 are opposed to the base end side in the insertion direction of the relay terminal 32.
  • 43a and contact portions 43b, 43b) are provided with tapered surfaces 46, 46 (tapered surfaces 46a, 46a, tapered surfaces 46b, 46b).
  • the tapered surfaces 46b, 46b of the second tuning fork terminal 40b are By being configured with a gentler slope than the tapered surfaces 46a, 46a of the one tuning fork terminal 40a, the relay terminal 32 can be guided to the tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b).
  • the relay 30 can be securely attached.
  • the tapered surfaces 46b, 46b of the second tuning fork terminal 40b are formed with inclined surfaces that are gentler than the tapered surfaces 46a, 46a of the first tuning fork terminal 40a, the contact portion 43b of the second tuning fork terminal 40b. , 43b can be increased, and the gripping force of the second tuning fork terminal 40b can be improved.
  • the second tuning fork terminal 40b is a second gripping part group on the side of the first gripping part group 22 and the second gripping part group 23 where the number of tuning fork terminals 40 arranged at a predetermined interval is small. 23, since it is possible to prevent the gripping force in the second direction S with a small number of tuning fork terminals 40 from being lowered, the relay mounting portion 20 as a whole can have a stable gripping force.
  • the terminal gripping part corresponds to the tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b),
  • the strong gripping part corresponds to the second tuning fork terminal 40b, but the present invention is not limited to the configuration of the above-described embodiment, and many embodiments can be obtained.
  • the second tuning fork terminal 40b corresponding to the strong gripping portion is configured such that the length of the sandwiching pieces 42b and 42b with respect to the height direction H is shorter than the sandwiching pieces 42a and 42a.
  • the length of the abutting portions 43b and 43b with respect to the height direction H is configured to be longer than the abutting portions 43a and 43a, this configuration is not necessarily required.
  • FIG. 7B and FIG. You may comprise by the shape as shown to 7 (c).
  • FIG. 7 shows a front view showing another embodiment of the second tuning fork terminal 40b.
  • FIG. 7 (a) shows a front view of the first tuning fork terminal 40a shown for reference
  • FIG. 7 (b) shows a strong gripping portion 40c which is another embodiment of the second tuning fork terminal 40b.
  • a front view is shown and
  • FIG.7 (c) shows the front view of the strong holding
  • FIG.7 (d) and FIG.7 (e) show the top view of the relay attachment part 20 in other embodiment.
  • the strong gripping portion 40c that shortens the entire length in the height direction H and lengthens the length of the contact portion 43c, or FIG. As shown in (c), it is good also as the strong holding
  • the length of the second tuning fork terminal 40b arranged at the center portion in the height direction H is left as it is, and the length of the first tuning fork terminal 40a arranged outside in the height direction H is shorter than that of the second tuning fork terminal 40b. It is good also as composition to do. That is, the relationship between the second tuning fork terminal 40b and the first tuning fork terminal 40a is not absolute but relative.
  • the second tuning fork terminal 40b is disposed on the first gripping portion group 22 side in the second gripping portion group 23.
  • the second tuning fork terminal 40b does not necessarily have to be disposed at this position.
  • the second tuning fork terminal 40b may be arranged in the center of the first gripping portion group 22, and further, as shown in FIG. And you may arrange
  • the relay 30 includes five relay terminals 32, and the relay mounting portion 20 includes the corresponding number of tuning fork terminals 40 (first tuning fork terminal 40a and second tuning fork terminal 40b).
  • the relay 30 may have four relay terminals 32, and the number of tuning fork terminals 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) may be matched accordingly. .
  • the arrangement position of the relay terminal 32 may be changed according to the design as appropriate. In this case, naturally, the arrangement position of the corresponding tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) may be changed together.
  • the second tuning fork terminal 40b needs to be arranged near the center of the relay mounting portion 20.
  • the tuning fork terminals 40 constituting the first gripping portion group 22 are arranged side by side along the second direction S, but the central first tuning fork terminal 40a is arranged in the first direction F.
  • the first tuning fork terminals 40a may be arranged on a straight line, or the three first tuning fork terminals 40a may be shifted with respect to the first direction F, respectively.
  • the direction of shifting is not limited.
  • the positions of the first tuning fork terminal 40a and the second tuning fork terminal 40b constituting the second gripping portion group 23 may be appropriately changed.

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  • Structural Engineering (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

[Problem] The objective of the present invention is to provide a relay attachment portion capable of improving a gripping force of a gripping portion which grips a relay terminal, and capable of suppressing contact failure of the relay terminal resulting from vibration of a vehicle or the like. [Solution] A relay attachment portion 20 for assembling a relay 30 provided with a plurality of relay terminals 32 projecting from a relay main body 31 is provided with a plurality of tuning fork terminals 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) for gripping the relay terminals 32, and comprises a first gripping portion group 22 in which a plurality of the first tuning fork terminals 40a are arranged separated by a prescribed gap in a second direction S orthogonal to a first direction F, and a second gripping portion group 23 in which the first tuning fork terminal 40a and the second tuning fork terminal 40b are arranged separated by a prescribed gap in the first direction F, with the orientations thereof aligned with respect to the second direction S, wherein the second tuning fork terminal 40b arranged on the first gripping portion group 22 side of the second gripping portion group 23 has a firmer gripping force than the first tuning fork terminal 40a.

Description

リレー取付部及び電気接続箱Relay mounting part and electrical connection box
　この発明は、例えば、自動車などの車両に搭載される電気接続箱などに備えられるリレー取付部及び前記リレー取付部を備えた電気接続箱に関する。 The present invention relates to, for example, a relay mounting portion provided in an electrical connection box mounted on a vehicle such as an automobile, and an electrical connection box including the relay mounting portion.
　自動車などの車両に搭載されるバッテリーと他の電子機器類との間に設けられる電気接続箱に取り付けられるリレーとして、例えば、電気回路を内蔵するリレー本体の底面から下方に向けて突出する板状のリレー端子が、第一方向に沿って３つ、第一方向と直交する第二方向に沿って２つ並んで配置されたものがある。 As a relay attached to an electric junction box provided between a battery mounted on a vehicle such as an automobile and other electronic devices, for example, a plate shape protruding downward from the bottom surface of a relay body incorporating an electric circuit There are three relay terminals arranged side by side along the first direction and two along the second direction orthogonal to the first direction.
　一方で電気接続箱は、例えば特許文献１に開示されているように、電気回路を備えた回路基板に、リレー端子を把持する端子把持部がリレー端子に対応するように配置された（すなわち、端子把持が第一方向に３つ、第二方向に２つ並んで配置された）リレー取付部を備え、このリレー取付部の端子把持部がリレー端子を把持することでリレー本体に内蔵する電気回路と、リレー取付部に備えた電気回路とを電気的に接続することができる。 On the other hand, as disclosed in Patent Document 1, for example, the electrical connection box is arranged on a circuit board including an electrical circuit so that a terminal gripping part that grips the relay terminal corresponds to the relay terminal (that is, (3 terminal grips are arranged side by side in the first direction and 2 in the second direction), and the relay gripping part of the relay mounting part grips the relay terminal so that the electric power built in the relay body The circuit and the electric circuit provided in the relay mounting portion can be electrically connected.
　しかしながら、特許文献１に開示されているリレー取付部では、リレー取付部が設けられる電気接続箱を搭載する車両の振動により、例えば第一方向の一端側に配置されたリレー端子と端子把持部との接触部位を枢動軸としてリレー端子が枢動することがあり、これにより、他端側に配置されたリレー端子と端子把持部との接触が枢動により緩み、接触不良の原因となるおそれがあった。 However, in the relay mounting portion disclosed in Patent Document 1, the relay terminal and the terminal gripping portion disposed on one end side in the first direction, for example, due to the vibration of the vehicle on which the electrical junction box provided with the relay mounting portion is mounted. The relay terminal may pivot with the contact part of the pivot as the pivot axis, which may cause the contact between the relay terminal arranged on the other end side and the terminal gripping part to loosen due to pivoting, resulting in poor contact. was there.
特開２００２－１１２４３４号公報JP 2002-112434 A
　この発明は、上述した問題を鑑み、リレー端子を把持する端子把持部の把持力を向上させるとともに、車両の振動などによるリレー端子の接触不良を抑制できるリレー取付部及び前記リレー取付部が備えられた電気接続箱を提供することを目的とする。 In view of the above-described problems, the present invention includes a relay mounting portion that can improve a gripping force of a terminal gripping portion that grips a relay terminal and suppress contact failure of a relay terminal due to vehicle vibration and the like, and the relay mounting portion. The purpose is to provide an electrical junction box.
　この発明は、リレー本体と、該リレー本体から突出する複数の板状のリレー端子とで構成されたリレーを組み付けて電気的に接続されるリレー取付部であって、前記リレー端子を把持する複数の端子把持部が備えられ、前記端子把持部は、基端側が連結するとともに、先端側が開口するように設けられた一対の挟持片と、該挟持片の先端側において対向する前記挟持片に向けて突出し、前記リレー端子と当接する当接部とで構成され、第一方向に対して向きが沿うとともに、前記第一方向と直交する第二方向に所定の間隔を隔てて複数の前記端子把持部が配置された第一把持部群と、前記第二方向に対して向きが沿うとともに、前記第一方向に所定の間隔を隔てて複数の前記端子把持部が配置された第二把持部群とを構成し、前記第一把持部群のうち前記第二方向の中央部分に配置された前記端子把持部、及び、前記第二把持部群のうち前記第一把持部群における前記第二方向の中央部分に配置された前記端子把持部の少なくとも一方が、他の前記端子把持部に比べて把持力が強固である強把持部で構成されたことを特徴とする。　
　またこの発明は、上述のリレー取付部が備えられた電気接続箱であることを特徴とする。 The present invention is a relay mounting portion that is electrically connected by assembling a relay composed of a relay main body and a plurality of plate-like relay terminals protruding from the relay main body, and a plurality of the grips holding the relay terminal The terminal gripping portion is connected to the pair of sandwiching pieces provided so that the proximal end side is connected and the distal end side is opened, and the sandwiching piece is opposed to the sandwiching piece on the distal end side of the sandwiching piece. And a plurality of the terminal grips with a predetermined interval in a second direction orthogonal to the first direction, the orientation being in line with the first direction. A first gripping portion group in which a plurality of terminal gripping portions are arranged at predetermined intervals in the first direction, along with the first gripping portion group in which the portions are arranged. The first gripping portion The terminal gripping portion disposed in the central portion in the second direction, and the terminal gripping portion disposed in the central portion in the second direction in the first gripping portion group among the second gripping portion group. At least one of these is constituted by a strong gripping portion having a gripping force stronger than that of the other terminal gripping portions.
Moreover, this invention is an electrical junction box provided with the above-mentioned relay mounting part.
　上述の第一方向に対して向きが沿うとともに、及び、前記第二方向に対して向きが沿うとともにとは、前記第一把持部群を構成する端子把持部の主面及び前記第二把持部群を構成する端子把持部の主面が、それぞれ前記第一方向及び前記第二方向を向いている状態をさす。 The direction along the first direction and the direction along the second direction are the main surface of the terminal gripping part and the second gripping part constituting the first gripping part group. The main surface of the terminal holding part which comprises a group points out the state which has faced said 1st direction and said 2nd direction, respectively.
　上述の前記第二方向に所定の間隔を隔てて複数の前記端子把持部が配置されたとは、前記第一把持部群を構成する前記端子把持部の主面が、第二方向に沿って一直線上に並ぶように配置された構成や、それぞれの前記端子把持部を一直線上に並ばないように前記第一方向にずらして配置させた構成を含む。 The plurality of terminal gripping portions are arranged at predetermined intervals in the second direction described above means that the main surface of the terminal gripping portions constituting the first gripping portion group is straight along the second direction. A configuration in which the terminal gripping portions are arranged in a line, and a configuration in which the terminal gripping portions are shifted in the first direction so as not to be aligned.
　同様に、上述の前記第一方向に所定の間隔を隔てて複数の前記端子把持部が配置されたとは、前記第二把持部群を構成する前記端子把持部の主面が、第一方向に沿って一直線上に並ぶように配置された構成や、それぞれの前記端子把持部を一直線上に並ばないように前記第二方向にずらして配置させた構成を含む。 Similarly, a plurality of the terminal gripping portions are arranged at predetermined intervals in the first direction described above means that the main surface of the terminal gripping portions constituting the second gripping portion group is in the first direction. And a configuration in which the respective terminal gripping portions are shifted in the second direction so as not to be aligned in a straight line.
　この発明により、前記リレー端子を把持する把持力を向上させるとともに、車両の振動などによるリレー端子の接触不良を抑制できる。　
　詳述すると、前記第一把持部群のうち前記第二方向の中央部分に配置された前記端子把持部、及び、前記第二把持部群のうち前記第一把持部群における前記第二方向の中央部分に配置された前記端子把持部の少なくとも一方に前記強把持部が配置されているため、すなわち、前記リレー取付部の中央部分に前記強把持部が配置されているため、前記リレー取付部全体が前記リレー端子を把持する把持力を向上させることができる。 According to the present invention, the gripping force for gripping the relay terminal can be improved, and contact failure of the relay terminal due to vehicle vibration or the like can be suppressed.
More specifically, the terminal gripping portion disposed at the center portion in the second direction in the first gripping portion group, and the second direction in the first gripping portion group in the second gripping portion group. Since the strong gripping portion is disposed in at least one of the terminal gripping portions disposed in the central portion, that is, since the strong gripping portion is disposed in the central portion of the relay mounting portion, the relay mounting portion The gripping force for gripping the relay terminal as a whole can be improved.
　また、前記強把持部が前記リレーの中央部分に配置された前記リレー端子を強固に把持することにより、前記リレー取付部を搭載した車両などが振動した場合であっても、振動による枢動の枢動軸を前記強把持部との接触部位とすることができるため、振動による枢動を前記強把持部が抑制することができる。 In addition, the strong gripping portion firmly grips the relay terminal disposed in the central portion of the relay, so that even if a vehicle or the like on which the relay mounting portion is mounted vibrates, Since the pivot axis can be a contact portion with the strong gripping portion, the strong gripping portion can suppress pivoting due to vibration.
　加えて、外側に配置された前記端子把持部に把持された前記リレー端子が枢動軸となる場合に比べて、前記強把持部と把持されて枢動軸となるリレー端子と、他の前記端子把持部に把持されている前記リレー端子との距離が近くなるため、他の前記端子把持部に把持されている前記リレー端子が車両の振動により枢動する枢動距離を短くすることができる。したがって、前記リレーを安定して前記リレー取付部に把持させることができるとともに、振動による前記リレー端子と前記端子把持部との接触不良を抑制できる。 In addition, compared with the case where the relay terminal gripped by the terminal gripping portion disposed on the outside serves as a pivot shaft, the relay terminal gripped by the strong grip portion and serving as a pivot shaft, Since the distance from the relay terminal gripped by the terminal gripping portion is reduced, the pivot distance at which the relay terminal gripped by the other terminal gripping portion pivots due to vehicle vibration can be shortened. . Therefore, the relay can be stably held by the relay mounting portion, and poor contact between the relay terminal and the terminal holding portion due to vibration can be suppressed.
　この発明の態様として、前記強把持部における挟持片が、他の前記端子把持部における挟持片よりも短く構成されてもよい。　
　上述の前記強把持部における挟持片が、他の前記端子把持部における挟持片よりも短く構成されるとは、前記強把持部の当接部の先端位置を他の前記端子把持部の当接部の先端位置よりも低くした構成や、前記強把持部における当接部の先端位置を他の前記端子把持部における当接部と同じとし、前記強把持部における当接部を長くした構成を含む。 As an aspect of this invention, the clamping piece in the strong gripping part may be configured to be shorter than the clamping piece in the other terminal gripping part.
That the clamping piece in the above-mentioned strong gripping part is configured shorter than the clamping piece in the other terminal gripping part means that the tip position of the contact part of the strong gripping part is in contact with the other terminal gripping part A configuration in which the tip end position of the contact portion in the strong gripping portion is the same as the contact portion in the other terminal gripping portion, and the contact portion in the strong gripping portion is lengthened. Including.
　この発明により、前記強把持部の挟持片のたわみを少なくできるため、前記強把持部の把持力を他の前記端子把持部よりも強固にすることができ、前記リレー端子を把持する把持力を向上させることができる。これにより、前記リレー取付部に前記リレーを安定して把持させることができる。 According to this invention, since the deflection of the clamping piece of the strong gripping portion can be reduced, the gripping force of the strong gripping portion can be made stronger than the other terminal gripping portions, and the gripping force for gripping the relay terminal can be increased. Can be improved. Thereby, the relay can be stably held by the relay mounting portion.
　また、仮に前記強把持部における挟持片を短くすることで前記強把持部における当接部の先端位置を他の前記端子把持部における当接部の先端位置よりも低くなるようにした場合には、前記リレー端子が他の前記端子把持部と当接するタイミングと、前記リレー端子が前記強把持部と当接するタイミングとをずらすことができるため、全体の保持力を向上させながら、前記リレーを前記リレー取付部に取り付けるのに必要な挿入力を低減させることができる。 Also, if the tip of the contact portion in the strong gripping portion is made lower than the tip position of the contact portion in the other terminal gripping portion by shortening the clamping piece in the strong gripping portion The timing at which the relay terminal comes into contact with the other terminal gripping portion and the timing at which the relay terminal comes into contact with the strong gripping portion can be shifted, so that the relay can be The insertion force required for mounting on the relay mounting portion can be reduced.
　またこの発明の態様として、　前記強把持部における当接部が、他の前記端子把持部において対応する当接部よりも、前記リレー端子の挿入方向に沿って長く構成されてもよい。　
　この発明により、前記強把持部の把持力を向上させる、前記リレー端子と前記強把持部との電気伝導性を向上させることができる。 As an aspect of the present invention, the contact portion in the strong gripping portion may be configured to be longer along the insertion direction of the relay terminal than the corresponding contact portion in the other terminal gripping portion.
According to the present invention, it is possible to improve the electrical conductivity between the relay terminal and the strong gripping portion, which improves the gripping force of the strong gripping portion.
　また、前記当接部と前記リレー端子との当接面積を大きくすることができるため、前記強把持部と前記リレー端子との当接部分が枢動軸として機能することを抑制できるとともに、仮に振動により枢動したとしても、前記当接部が前記リレー端子の枢動を抑制できる。したがって、他の前記端子把持部に把持され前記リレー端子の接触不良をより確実に抑制できる。 In addition, since the contact area between the contact portion and the relay terminal can be increased, it is possible to suppress the contact portion between the strong gripping portion and the relay terminal from functioning as a pivot shaft. Even if it pivots due to vibration, the contact portion can suppress pivoting of the relay terminal. Therefore, the contact failure of the relay terminal held by the other terminal holding portion can be more reliably suppressed.
　またこの発明の態様として、前記強把持部における当接部が、他の前記端子把持部における当接部の位置よりも、前記リレー端子の挿入方向に沿って先端側又は基端側に設けられてもよい。　
　この発明により、前記強把持部が前記リレー端子と当接するタイミングと、他の前記端子把持部が前記リレー端子と当接するタイミングとをずらすことができるため、前記リレー取付部の把持力を維持しつつ、前記リレーを前記リレー取付部に取付けるために必要な挿入力を低減することができる。 Further, as an aspect of the present invention, the contact portion in the strong gripping portion is provided on the distal end side or the proximal end side along the insertion direction of the relay terminal from the position of the contact portion in the other terminal gripping portion. May be.
According to the present invention, the timing at which the strong gripping portion abuts on the relay terminal and the timing at which the other terminal gripping portion abuts on the relay terminal can be shifted, so that the gripping force of the relay mounting portion is maintained. However, the insertion force required to attach the relay to the relay attachment portion can be reduced.
　特に前記強把持部における当接部が、他の前記端子把持部における当接部の位置よりも、前記リレー端子の挿入方向に沿って基端側に設けられることにより、前記強把持部における挟持片を短くできるため、たわみを少なくでき、前記把持部にかかる負担を軽減しつつ、簡単な構成で把持力を向上させることができる。 In particular, since the abutting portion in the strong gripping portion is provided on the base end side along the insertion direction of the relay terminal from the position of the abutting portion in the other terminal gripping portion, the clamping in the strong gripping portion is performed. Since the piece can be shortened, the deflection can be reduced, and the gripping force can be improved with a simple configuration while reducing the burden on the gripping portion.
　またこの発明の態様として、前記当接部における前記リレー端子の挿入方向の基端側に、対向する前記当接部に向けて傾斜するテーパ面が設けられ、前記強把持部におけるテーパ面は、他の前記端子把持部におけるテーパ面よりも緩やかな傾斜で構成されてもよい。　
　この発明により、前記リレー端子を前記端子把持部に案内することができるため、より確実に前記リレーを取付けることができる。 Further, as an aspect of the present invention, a taper surface that is inclined toward the abutting portion facing to the proximal end side in the insertion direction of the relay terminal in the abutting portion is provided, and the tapered surface in the strong gripping portion is: You may comprise by the gentle inclination rather than the taper surface in the said other terminal holding part.
According to the present invention, since the relay terminal can be guided to the terminal gripping portion, the relay can be more reliably attached.
　また、前記強把持部における前記当接部のテーパ面が、他の前記端子把持部における前記当接部のテーパ面よりも緩やかな傾斜面で構成されていることにより、前記強把持部における前記当接部の接触面積を増やすことができ、前記強把持部の把持力を向上させることができる。 In addition, the tapered surface of the contact portion in the strong gripping portion is configured with a gentler inclined surface than the taper surface of the contact portion in the other terminal gripping portion, so that the strong gripping portion has the taper surface. The contact area of the contact portion can be increased, and the gripping force of the strong grip portion can be improved.
　またこの発明の態様として、前記強把持部は、前記第一把持部群又は前記第二把持部群のうち、所定の間隔を隔てて配置された前記端子把持部の数が少ない側に設けられてもよい。　
　この発明により、前記端子把持部の数が少ない前記第一方向又は前記第二方向の把持力が低下することを防止できるため、前記リレー取付部全体として安定した把持力を有することができる。 Further, as an aspect of the present invention, the strong gripping portion is provided on the side of the first gripping portion group or the second gripping portion group that has a small number of the terminal gripping portions arranged at a predetermined interval. May be.
According to the present invention, it is possible to prevent a decrease in the gripping force in the first direction or the second direction in which the number of the terminal gripping portions is small, so that the entire relay mounting portion can have a stable gripping force.
　この発明により、リレー端子を把持する把持部の把持力を向上させるとともに、車両の振動などによるリレー端子の接触不良を抑制できるリレー取付部及び前記リレー取付部を備えた電気接続箱を提供することができる。 According to the present invention, it is possible to improve the gripping force of a gripping part that grips a relay terminal, and to provide a relay mounting part that can suppress poor contact of the relay terminal due to vehicle vibration or the like, and an electrical junction box including the relay mounting part. Can do.
電気接続箱の概略分解斜視図。The schematic exploded perspective view of an electric junction box. リレー及びリレー取付部の概略分解斜視図。The schematic exploded perspective view of a relay and a relay attachment part. リレー取付部の説明図。Explanatory drawing of a relay attachment part. 第一音叉端子及び第二音叉端子の正面図。The front view of a 1st tuning fork terminal and a 2nd tuning fork terminal. リレーの背面図。The rear view of a relay. リレーとリレー取付部との取付け過程の説明図。Explanatory drawing of the attachment process of a relay and a relay attachment part. 他の実施形態における第二音叉端子の説明図。Explanatory drawing of the 2nd tuning fork terminal in other embodiment.
　以下、電気接続箱１及び電気接続箱１に装着されているリレー取付部２０について図１乃至図６に基づいて説明する。　
　図１は電気接続箱１の概略分解斜視図を示す。なお、図１において、電気接続箱１を構成するロアカバー１１の手前側角部分を破線で示しており、この破線部分は内部構造を明確にするために透過した状態を表す。 Hereinafter, the electrical connection box 1 and the relay mounting portion 20 attached to the electrical connection box 1 will be described with reference to FIGS. 1 to 6.
FIG. 1 is a schematic exploded perspective view of the electrical junction box 1. In addition, in FIG. 1, the near side corner part of the lower cover 11 which comprises the electrical junction box 1 is shown with the broken line, and this broken line part represents the state which permeate | transmitted in order to clarify an internal structure.
　また、図１において、電気接続箱１の長手方向を第一方向Ｆとし、電気接続箱１の短手方向を第二方向Ｓとし、図１中の上下方向を高さ方向Ｈとする。また、この高さ方向Ｈは、直交している第一方向Ｆと第二方向Ｓの両方と直交している。　
　なお、図１において第一方向Ｆの左側を＋Ｆ側、右側を－Ｆ側とし、第二方向Ｓの右側を＋Ｓ側、左側を－Ｓ側とし、この方向は、図２、図３、図５、図６、図７においても同様とする。 In FIG. 1, the longitudinal direction of the electrical junction box 1 is a first direction F, the short direction of the electrical junction box 1 is a second direction S, and the vertical direction in FIG. The height direction H is orthogonal to both the first direction F and the second direction S that are orthogonal to each other.
In FIG. 1, the left side of the first direction F is the + F side, the right side is the -F side, the right side of the second direction S is the + S side, and the left side is the -S side. The same applies to FIGS. 5, 6, and 7.
　図２は電気接続箱１に備えられたリレー取付部２０及び、リレー取付部２０に取り付けるリレー３０の概略斜視図を示し、図３はリレー取付部２０の説明図を示し、図４はリレー取付部２０に組み付けられた音叉端子４０の正面図を示し、図５はリレー３０の底面図を示す。 2 shows a schematic perspective view of the relay mounting portion 20 provided in the electrical junction box 1 and the relay 30 mounted on the relay mounting portion 20, FIG. 3 shows an explanatory view of the relay mounting portion 20, and FIG. 5 shows a front view of the tuning fork terminal 40 assembled to the section 20, and FIG. 5 shows a bottom view of the relay 30.
　図３及び図４について詳述すると、図３（ａ）はリレー取付部２０を第一方向Ｆの＋Ｆ側から視た正面図を示し、図３（ｂ）はリレー取付部２０を上方から視た平面図を示す。図４（ａ）は、第一音叉端子４０ａの主面側を表す正面図を示し、図４（ｂ）は第二音叉端子４０ｂ主面側を表す正面図を示す。 3 and 4 will be described in detail. FIG. 3A shows a front view of the relay mounting portion 20 viewed from the + F side in the first direction F, and FIG. 3B shows the relay mounting portion 20 viewed from above. FIG. 4A shows a front view showing the main surface side of the first tuning fork terminal 40a, and FIG. 4B shows a front view showing the main surface side of the second tuning fork terminal 40b.
　車両に搭載する電気接続箱１は、バッテリーなどの電源（図示省略）と電気接続箱１の外部に設けられた外部機器類（図示省略）との間に配置され、バッテリーと外部機器類とを電気的に接続している。この電気接続箱１は、図１に示すように、矩形状の筐体である電気接続箱本体１０と、電気接続箱本体１０の内部に備えられたリレー取付部２０と、リレー取付部２０に対して取付けられたリレー３０とで構成されている。 An electrical junction box 1 mounted on a vehicle is disposed between a power source (not shown) such as a battery and external devices (not shown) provided outside the electrical junction box 1. Electrically connected. As shown in FIG. 1, the electrical junction box 1 includes an electrical junction box main body 10 that is a rectangular housing, a relay attachment portion 20 provided inside the electrical junction box main body 10, and a relay attachment portion 20. It is comprised with the relay 30 attached with respect to it.
　電気接続箱本体１０は、内部にリレー取付部２０などを収容する収容空間を有する有底角筒形状のロアカバー１１と、ロアカバー１１の上方側を覆うアッパーカバー１２とで構成されている。　 The electrical junction box main body 10 is composed of a bottomed rectangular tube-shaped lower cover 11 having an accommodating space for accommodating the relay mounting portion 20 and the like, and an upper cover 12 covering the upper side of the lower cover 11. *
　ロアカバー１１に装着するリレー取付部２０は、図２に示すように、裏面に電子回路が備えられた回路基板２１と、回路基板２１の表面側に立設する５つの音叉端子４０とで構成されている。 As shown in FIG. 2, the relay mounting portion 20 attached to the lower cover 11 includes a circuit board 21 provided with an electronic circuit on the back surface and five tuning fork terminals 40 erected on the front surface side of the circuit board 21. ing.
　なお、本実施形態において、回路基板２１は５つの音叉端子４０が立設された一の回路基板としているが、例えば５つの音叉端子４０を一セットとして、複数セット配置されるような一枚の回路基板としてもよい。 In the present embodiment, the circuit board 21 is a single circuit board in which five tuning fork terminals 40 are erected, but for example, one tuning board with a plurality of tuning fork terminals 40 as a set, such as a single sheet. It may be a circuit board.
　この５つの音叉端子４０のうちの３つは、図２及び図３に示すように、主面が第一方向Ｆを向くとともに、第二方向Ｓに沿って配置されている。この３つ音叉端子４０は第一把持部群２２を構成する。なお、第一把持部群２２を構成する３つの音叉端子４０は、同一種の第一音叉端子４０ａで構成されている。 Three of the five tuning fork terminals 40 are arranged along the second direction S while the main surface faces the first direction F, as shown in FIGS. The three tuning fork terminals 40 constitute a first gripping part group 22. Note that the three tuning fork terminals 40 constituting the first gripping portion group 22 are composed of the same type of first tuning fork terminals 40a.
　一方、音叉端子４０の残りの２つは、主面が第二方向Ｓを向くとともに、第一方向Ｆに沿って配置され、第二把持部群２３を構成する。なお、第二把持部群２３を構成する音叉端子４０は、第一音叉端子４０ａと第二音叉端子４０ｂで構成されている。この第二音叉端子４０ｂは、第一把持部群２２を構成する真ん中の第一音叉端子４０ａと対向するように、第一方向Ｆの－Ｆ側に配置されるとともに、第二方向Ｓの中央部分に配置された第二把持部群２３を構成する第一音叉端子４０ａよりも第二方向Ｓの＋Ｓ側に配置されている。 On the other hand, the remaining two of the tuning fork terminals 40 are arranged along the first direction F while the main surface faces the second direction S, and constitute the second gripping portion group 23. The tuning fork terminal 40 constituting the second gripping portion group 23 is composed of a first tuning fork terminal 40a and a second tuning fork terminal 40b. The second tuning fork terminal 40b is disposed on the −F side of the first direction F so as to face the middle first tuning fork terminal 40a constituting the first gripping portion group 22, and is arranged in the center of the second direction S. It is arranged on the + S side in the second direction S with respect to the first tuning fork terminal 40a constituting the second gripping portion group 23 arranged in the portion.
　以下、音叉端子４０の基本構成について、図４に基づいて説明する。　
　音叉端子４０は、導電性を有する金属製の音叉端子であり、平板状の基端部４１と、基端部４１の上方に立設する挟持片４２,４２と、挟持片４２、４２の先端から対向する挟持片４２,４２に向かって突出する当接部４３、４３と、基端部４１の底面から下方に突出するリード部４４，４４とで一体に構成されている。 Hereinafter, the basic configuration of the tuning fork terminal 40 will be described with reference to FIG.
The tuning fork terminal 40 is a conductive metal tuning fork terminal. The tuning fork terminal 40 is a flat base end 41, sandwiching pieces 42, 42 erected above the base end 41, and tips of the sandwiching pieces 42, 42. The contact portions 43, 43 projecting toward the sandwiching pieces 42, 42 facing each other, and the lead portions 44, 44 projecting downward from the bottom surface of the base end portion 41 are integrally formed.
　基端部４１は、所定の板厚を有する金属製の平板で構成されており、上面側の幅方向の中央部分には、内側縁が幅方向に対して線対称となるように下方に向けて窪ませて略Ｖ字形状に形成した湾曲凹部４５が形成されている。 The base end portion 41 is formed of a metal flat plate having a predetermined plate thickness, and is directed downward so that the inner edge is line-symmetric with respect to the width direction at the center portion in the width direction on the upper surface side. A curved recess 45 formed in a substantially V shape by being recessed is formed.
　挟持片４２，４２は、基端部４１と同じ板厚を有する金属片であり、内側縁が湾曲凹部４５と連続するように基端部４１の幅方向両端部から上方に立設している。すなわち、挟持片４２，４２は基端側が基端部４１と連結されているとともに、先端側が開口するように設けられ、挟持片４２，４２の間には、挿入開口４８が形成されている。なお、挟持片４２，４２の内側縁と湾曲凹部４５との連結部分は、滑らかに連結するように湾曲している。 The sandwiching pieces 42, 42 are metal pieces having the same plate thickness as the base end portion 41, and are erected upward from both ends in the width direction of the base end portion 41 so that the inner edge is continuous with the curved recess 45. . That is, the sandwiching pieces 42 and 42 are provided so that the proximal end side is connected to the proximal end portion 41 and the distal end side is open, and an insertion opening 48 is formed between the sandwiching pieces 42 and 42. In addition, the connection part of the inner edge of the clamping pieces 42 and 42 and the curved recessed part 45 is curving so that it may connect smoothly.
　当接部４３，４３は、挟持片４２，４２の上端から上方及び幅方向中央に向けて突出する突出部であり、当接部４３，４３同士の間隔が後述するリレー端子３２の板厚よりもわずかに狭くなるように構成されている。また、当接部４３，４３の幅方向の中央側上端部分には、幅方向中央に向かうにつれて下方側に傾斜するテーパ面４６が形成されている。 The contact portions 43, 43 are projecting portions that protrude upward and toward the center in the width direction from the upper ends of the sandwiching pieces 42, 42, and the distance between the contact portions 43, 43 is greater than the plate thickness of the relay terminal 32 described later. Is configured to be slightly narrower. Moreover, the taper surface 46 which inclines below toward the width direction center is formed in the center side upper end part of the width direction of contact part 43,43.
　リード部４４，４４は、基端部４１の底面から下方に突出する、基端部４１と同じ板厚を有する金属製の脚部であり、幅方向に所定の間隔を隔てて配置される。また、各リード部４４の幅方向の外側下端部分には、下方に向かうに伴って幅方向中央に向かって傾斜する挿入用テーパ面４７が形成されている。 The lead parts 44, 44 are metal legs having the same plate thickness as the base end part 41 and projecting downward from the bottom surface of the base end part 41, and are arranged at a predetermined interval in the width direction. Further, an insertion taper surface 47 that is inclined toward the center in the width direction as it goes downward is formed at the outer lower end portion of each lead portion 44 in the width direction.
　このリード部４４，４４は、回路基板２１に設けた貫通孔（図示省略）に挿通させるとともに、半田などにより回路基板２１と接合することにより、回路基板２１の裏面に構成された電気回路と電気的に接続することができる。 The lead portions 44 and 44 are inserted into through-holes (not shown) provided in the circuit board 21 and joined to the circuit board 21 by solder or the like, so that an electric circuit and an electric circuit configured on the back surface of the circuit board 21 are electrically connected. Can be connected.
　このように構成された音叉端子４０は、第一音叉端子４０ａと、第一音叉端子４０ａと基本構成が同じであるが細部の構成が異なる第二音叉端子４０ｂとがある。　
第一音叉端子４０ａは、図４（ａ）に示すように、平板で構成された基端部４１と、挟持片４２，４２と同じ構成である一対の挟持片４２ａ，４２ａと、当接部４３，４３と同じ構成である一対の当接部４３ａ，４３ａと、一対のリード部４４，４４とで一体に構成された音叉端子である。なお、当接部４３ａ，４３ａにはテーパ面４６ａが設けられている。 The tuning fork terminal 40 configured in this manner includes a first tuning fork terminal 40a and a second tuning fork terminal 40b having the same basic configuration as the first tuning fork terminal 40a but different in detail.
As shown in FIG. 4A, the first tuning fork terminal 40a includes a base end portion 41 formed of a flat plate, a pair of sandwiching pieces 42a and 42a having the same configuration as the sandwiching pieces 42 and 42, and a contact portion. The tuning fork terminal is configured integrally with a pair of contact portions 43 a and 43 a and a pair of lead portions 44 and 44, which have the same configuration as 43 and 43. The contact portions 43a and 43a are provided with tapered surfaces 46a.
　これに対して第二音叉端子４０ｂは、基本構成は音叉端子４０（第一音叉端子４０ａ）と同じであるが、図４（ａ）及び図４（ｂ）に示すように、細部において構成が異なる。 On the other hand, the basic structure of the second tuning fork terminal 40b is the same as that of the tuning fork terminal 40 (first tuning fork terminal 40a). However, as shown in FIGS. Different.
　詳述すると、第二音叉端子４０ｂは、基端部４１と、基端部４１の幅方向両端から上方に突出する一対の挟持片４２ｂ，４２ｂと、挟持片４２ｂ，４２ｂの上端から対向する挟持片４２ｂ，４２ｂに向けて突出する一対の当接部４３ｂ，４３ｂと、リード部４４，４４とで一体に構成されている。 More specifically, the second tuning fork terminal 40b includes a base end portion 41, a pair of sandwiching pieces 42b and 42b projecting upward from both ends in the width direction of the base end portion 41, and a sandwiching portion facing from the upper ends of the sandwiching pieces 42b and 42b. A pair of contact portions 43b and 43b projecting toward the pieces 42b and 42b and lead portions 44 and 44 are integrally formed.
　挟持片４２ｂ，４２ｂは、基端部４１と同じ板厚を有する金属片であり、湾曲凹部４５と連続するように基端部４１の幅方向両端部から上方に立設している。この挟持片４２ｂ，４２ｂは、第一音叉端子４０ａの挟持片４２ａ，４２ａと比べて、高さ方向Ｈの長さが短くなるように構成されている。なお、挟持片４２ｂ，４２ｂと湾曲凹部４５との連結部分は湾曲しており、挟持片４２ｂ，４２ｂと湾曲凹部４５とは滑らかに連結している。 The sandwiching pieces 42 b and 42 b are metal pieces having the same plate thickness as the base end portion 41, and are erected upward from both ends in the width direction of the base end portion 41 so as to be continuous with the curved recess 45. The sandwiching pieces 42b and 42b are configured such that the length in the height direction H is shorter than the sandwiching pieces 42a and 42a of the first tuning fork terminal 40a. In addition, the connection part of clamping piece 42b, 42b and the curved recessed part 45 is curving, and the clamping piece 42b, 42b and the curved recessed part 45 are connected smoothly.
　当接部４３ｂ，４３ｂは、挟持片４２ｂ，４２ｂの上端から上方及び幅方向中央に向けて突出する突出部であり、当接部４３ｂ，４３ｂ同士の間隔が後述するリレー端子３２の板厚よりもわずかに狭くなるように構成されている。　
　また、当接部４３ｂ，４３ｂの高さ方向Ｈに対する長さは、図４（ａ）及び図４（ｂ）に示すように、当接部４３ａ，４３ａの高さ方向Ｈに対する長さよりも長くなるように構成されている。 The contact portions 43b and 43b are projecting portions that protrude upward and toward the center in the width direction from the upper ends of the sandwiching pieces 42b and 42b, and the distance between the contact portions 43b and 43b is greater than the plate thickness of the relay terminal 32 described later. Is configured to be slightly narrower.
Further, the length of the contact portions 43b and 43b with respect to the height direction H is longer than the length of the contact portions 43a and 43a with respect to the height direction H as shown in FIGS. 4 (a) and 4 (b). It is comprised so that it may become.
　さらにまた、当接部４３ｂ，４３ｂの幅方向の中央側上端部分には、幅方向中央に向かうに伴って下方側に傾斜するテーパ面４６ｂが形成されている。このテーパ面４６ｂは、図４（ａ）及び図４（ｂ）に示すように、テーパ面４６ａよりも傾斜がなだらかに構成されている。 Furthermore, a taper surface 46b that is inclined downward as it goes toward the center in the width direction is formed at the upper end portion on the center side in the width direction of the contact portions 43b and 43b. As shown in FIGS. 4A and 4B, the tapered surface 46b has a gentler slope than the tapered surface 46a.
　このように構成された第二音叉端子４０ｂは、当接部４３ｂ，４３ｂの高さ方向Ｈの長さが当接部４３ａ，４３ａと比べて長いため、対向する当接部４３ｂ，４３ｂの面積が、当接部４３ａ，４３ａの面積よりも大きくなる。 Since the second tuning fork terminal 40b configured in this way has a length in the height direction H of the contact portions 43b and 43b is longer than that of the contact portions 43a and 43a, the area of the contact portions 43b and 43b facing each other. However, it becomes larger than the area of contact part 43a, 43a.
　リレー取付部２０に取り付けるリレー３０は、図２及び図５に示すように、電気回路（図示省略）が内蔵されたリレー本体３１と、リレー本体３１に内蔵された電気回路と電気的に接続されるとともに、リレー本体３１の底面から下方に向けて突出するリレー端子３２とで構成されている。 As shown in FIGS. 2 and 5, the relay 30 attached to the relay attachment portion 20 is electrically connected to a relay main body 31 containing an electric circuit (not shown) and an electric circuit built in the relay main body 31. And a relay terminal 32 that protrudes downward from the bottom surface of the relay body 31.
　リレー端子３２は、所定の板厚を有する板状の端子である。このリレー端子３２は、リレー取付部２０に配置された音叉端子４０（第一音叉端子４０ａ、第二音叉端子４０ｂ）と対応する位置において、主面の向きが音叉端子４０の主面の向きと直交するように配置されている（図５参照）。 The relay terminal 32 is a plate-like terminal having a predetermined plate thickness. The relay terminal 32 has a main surface orientation different from that of the tuning fork terminal 40 at a position corresponding to the tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) disposed in the relay mounting portion 20. It arrange | positions so that it may orthogonally cross (refer FIG. 5).
　このように構成されたリレー取付部２０は電気接続箱本体１０の内部に備えられるとともに、上方からリレー３０を取り付けることで、回路基板２１に備えられた電気回路とリレー本体３１の内部に備えた電気回路とを電気的に接続することができる。以下、リレー取付部２０に対するリレー３０の取り付けについて、図６に基づいて簡単に説明する。 The relay mounting portion 20 configured as described above is provided inside the electric junction box body 10 and is provided inside the relay circuit 31 and the electric circuit provided on the circuit board 21 by attaching the relay 30 from above. An electrical circuit can be electrically connected. Hereinafter, the attachment of the relay 30 to the relay attachment portion 20 will be briefly described with reference to FIG.
　ここで、図６はリレー３０をリレー取付部２０に取り付ける取付け過程を表す説明図であり、図６（ａ）はリレー３０をリレー取付部２０に挿入した初期段階におけるリレー取付部２０及びリレー３０の側面図を示し、図６（ｂ）はリレー３０をリレー取付部２０に組み付けた状態におけるリレー取付部２０及びリレー３０の側面図を示す。 Here, FIG. 6 is an explanatory view showing an attachment process for attaching the relay 30 to the relay attachment portion 20, and FIG. 6 (a) is an initial stage in which the relay 30 is inserted into the relay attachment portion 20. 6B is a side view of the relay mounting portion 20 and the relay 30 in a state where the relay 30 is assembled to the relay mounting portion 20.
　リレー３０をリレー取付部２０に取り付けるためには、リレー本体３１から下方に突出するリレー端子３２が回路基板２１から立設する音叉端子４０と対向配置するようにリレー３０をリレー取付部２０の上方に配置し、下方に移動させる。 In order to mount the relay 30 on the relay mounting portion 20, the relay 30 is positioned above the relay mounting portion 20 so that the relay terminal 32 protruding downward from the relay body 31 faces the tuning fork terminal 40 erected from the circuit board 21. And move it down.
　このとき、図６（ａ）に示すように、当接部４３ｂ，４３ｂのリレー端子３２との当接部分Ｔ２は、当接部４３ａ，４３ａのリレー端子３２との当接部分Ｔ１よりも下方側に配置されているため、先に第一音叉端子４０ａに対応するリレー端子３２が、テーパ面４６ａ，４６ａに案内されて、当接部４３ａ，４３ａの間に配置される。その状態でリレー３０を下方に押し込んで移動させることで、リレー端子３２が当接部４３ａ，４３ａの間に挿入される。 At this time, as shown in FIG. 6A, the contact portion T2 of the contact portions 43b and 43b with the relay terminal 32 is lower than the contact portion T1 of the contact portions 43a and 43a with the relay terminal 32. Therefore, the relay terminal 32 corresponding to the first tuning fork terminal 40a is first guided by the tapered surfaces 46a and 46a and is disposed between the contact portions 43a and 43a. In this state, the relay terminal 32 is inserted between the contact portions 43a and 43a by pushing and moving the relay 30 downward.
　そして、リレー３０を下方にさらに押し込んで移動させることで、当接部４３ｂ，４３ｂに対応するリレー端子３２が、当接部４３ｂ，４３ｂの間に配置されて、当接部４３ｂ，４３ｂの間に挿入されることとなる（図６（ｂ）参照）。これにより、リレー３０をリレー取付部２０に取り付けることができる。 Then, by further pushing and moving the relay 30 downward, the relay terminal 32 corresponding to the contact portions 43b and 43b is arranged between the contact portions 43b and 43b, and between the contact portions 43b and 43b. (See FIG. 6B). Thereby, the relay 30 can be attached to the relay attachment part 20.
　このように、リレー端子３２が第一音叉端子４０ａと第二音叉端子４０ｂに挿入されるタイミングが異なることとなるため、リレー３０をリレー取付部２０に押し込むために必要な挿入力を低減することができる。 Thus, since the timing at which the relay terminal 32 is inserted into the first tuning fork terminal 40a and the second tuning fork terminal 40b is different, the insertion force required to push the relay 30 into the relay mounting portion 20 is reduced. Can do.
　特に第二音叉端子４０ｂにおける当接部４３ｂ，４３ｂの基端が、他の第一音叉端子４０ａにおける当接部４３ａ，４３ａの基端よりも、高さ方向Ｈに沿って基端側（図６（ｂ）中の下方側）に設けられることにより、第二音叉端子４０ｂにおける挟持片４２ｂ，４２ｂを短くできるため、たわみを少なくでき、簡単な構成で把持力を向上させることができる。 In particular, the base ends of the contact portions 43b and 43b in the second tuning fork terminal 40b are closer to the base end side in the height direction H than the base ends of the contact portions 43a and 43a in the other first tuning fork terminals 40a (see FIG. 6 (b), the clamping pieces 42b, 42b in the second tuning fork terminal 40b can be shortened, so that the deflection can be reduced and the gripping force can be improved with a simple configuration.
　なお、音叉端子４０の相対的な把持力の計測方法は、リレー端子３２を当接部４３，４３の間に挿入した後に、リレー３０を所定の速度（１０～１００ｍｍ／ｍｉｎ）で挿入方向と反対方向に引っ張り、各音叉端子４０にリレー端子３２を組み付けた状態を解除するのに必要な力を計測することにより測定している。 The relative gripping force of the tuning fork terminal 40 is measured by inserting the relay terminal 32 between the contact portions 43 and 43 and then inserting the relay 30 at a predetermined speed (10 to 100 mm / min) in the insertion direction. Measurement is performed by pulling in the opposite direction and measuring the force required to release the state where the relay terminal 32 is assembled to each tuning fork terminal 40.
　このように、リレー本体３１と、リレー本体３１から突出する複数（５つ）の板状のリレー端子３２とで構成されたリレー３０を組み付けて電気的に接続されるリレー取付部２０は、リレー端子３２を把持する複数（５つ）の音叉端子４０（第一音叉端子４０ａ、第二音叉端子４０ｂ）が備えられ、音叉端子４０（第一音叉端子４０ａ、第二音叉端子４０ｂ）は、基端側が連結するとともに、先端側が開口するように設けられた一対の挟持片４２，４２（挟持片４２ａ，４２ａ、挟持片４２ｂ，４２ｂ）と、挟持片４２，４２（挟持片４２ａ，４２ａ、挟持片４２ｂ，４２ｂ）の先端側において対向する挟持片４２，４２（挟持片４２ａ，４２ａ、挟持片４２ｂ，４２ｂ）に向けて突出し、リレー端子３２と当接する当接部４３，４３（当接部４３ａ，４３ａ、当接部４３ｂ，４３ｂ）とで構成され、第一方向Ｆに対して向きが沿うとともに、第一方向Ｆと直交する第二方向Ｓに所定の間隔を隔てて複数（３つ）の第一音叉端子４０ａが配置された第一把持部群２２と、第二方向Ｓに対して向きが沿うとともに、第一方向Ｆに所定の間隔を隔てて第一音叉端子４０ａ及び第二音叉端子４０ｂが配置された第二把持部群２３とを構成し、第二把持部群２３のうち第一把持部群２２における第二方向Ｓの中央部分に配置された第二音叉端子４０ｂが、第一音叉端子４０ａに比べて把持力が強固であることにより、リレー端子３２を把持する把持力を向上させるとともに、車両の振動などによるリレー端子３２の接触不良を抑制できる。 As described above, the relay mounting portion 20 assembled and electrically connected to the relay 30 composed of the relay main body 31 and a plurality (five) of plate-like relay terminals 32 protruding from the relay main body 31 is a relay. A plurality (five) of tuning fork terminals 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) holding the terminal 32 are provided, and the tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) is a base. A pair of clamping pieces 42 and 42 (clamping pieces 42a and 42a and clamping pieces 42b and 42b) provided so that the end sides are connected and the leading end side is opened, and clamping pieces 42 and 42 (clamping pieces 42a and 42a, clamping) The abutting portions 43, 43 projecting toward the sandwiching pieces 42, 42 (the sandwiching pieces 42a, 42a, the sandwiching pieces 42b, 42b) facing each other on the front end side of the pieces 42b, 42b) Part 43a, 43a, contact part 43b, 43b), the direction is along the first direction F, and a plurality (3) with a predetermined interval in the second direction S orthogonal to the first direction F. The first tuning fork terminal 40a and the first tuning fork terminal 40a and the first tuning fork terminal 40a and the first tuning fork terminal 40a are arranged at a predetermined interval in the first direction F. And a second tuning fork terminal 40b disposed in a central portion of the first gripping portion group 22 in the second direction S of the second gripping portion group 23. However, since the gripping force is stronger than that of the first tuning fork terminal 40a, the gripping force for gripping the relay terminal 32 can be improved, and the contact failure of the relay terminal 32 due to the vibration of the vehicle can be suppressed.
　詳述すると、第二把持部群２３のうち第一把持部群２２における第二方向Ｓの中央部分に第二音叉端子４０ｂが配置されているため、すなわち、リレー取付部２０の中央部分に第二音叉端子４０ｂが配置されているため、リレー取付部２０全体がリレー端子３２を把持する把持力を向上させることができる。 More specifically, since the second tuning fork terminal 40b is arranged at the central portion in the second direction S of the first gripping portion group 22 in the second gripping portion group 23, that is, at the central portion of the relay mounting portion 20, Since the two tuning fork terminal 40b is disposed, the gripping force with which the entire relay mounting portion 20 grips the relay terminal 32 can be improved.
　また、第二音叉端子４０ｂがリレー３０の中央部分に配置されたリレー端子３２を強固に把持することにより、リレー取付部２０を搭載した車両などが振動した場合であっても、振動による枢動の枢動軸を第二音叉端子４０ｂとの接触部位とすることができるため、振動による枢動を抑制することができる。 Further, the second tuning fork terminal 40b firmly holds the relay terminal 32 disposed in the center portion of the relay 30, so that even if the vehicle mounted with the relay mounting portion 20 vibrates, the pivoting due to the vibration Since the pivot shaft can be a contact portion with the second tuning fork terminal 40b, the pivot due to vibration can be suppressed.
　加えて、枢動軸が第一音叉端子４０ａとリレー端子３２との当接部分Ｔ１である場合と比較して、枢動軸となるリレー端子３２（すなわち第二音叉端子４０ｂに把持されているリレー端子３２）と、第一音叉端子４０ａに把持されているリレー端子３２との距離を近くすることができる。このため第一音叉端子４０ａに把持されているリレー端子３２が、車両の振動によって枢動する枢動距離を短くすることができる。したがって、リレー３０を安定してリレー取付部２０に把持させることができるとともに、振動によるリレー端子３２と第一音叉端子４０ａとの接触不良を抑制できる。 In addition, compared to the case where the pivot shaft is the contact portion T1 between the first tuning fork terminal 40a and the relay terminal 32, the relay terminal 32 (that is, the second tuning fork terminal 40b) that is the pivot shaft is gripped. The distance between the relay terminal 32) and the relay terminal 32 held by the first tuning fork terminal 40a can be reduced. For this reason, it is possible to shorten the pivot distance at which the relay terminal 32 held by the first tuning fork terminal 40a pivots due to the vibration of the vehicle. Therefore, the relay 30 can be stably held by the relay mounting portion 20, and contact failure between the relay terminal 32 and the first tuning fork terminal 40a due to vibration can be suppressed.
　また、第二音叉端子４０ｂにおける挟持片４２ｂ，４２ｂが、第一音叉端子４０ａにおける挟持片４２ａ，４２ａよりも短く構成されることにより、第二音叉端子４０ｂのたわみが少なくでき、第二音叉端子４０ｂの把持力を第一音叉端子４０ａよりも強固にすることができる。これにより、リレー端子３２を把持する把持力を向上させることができ、リレー取付部２０にリレー３０を安定して把持させることができる。 Further, since the clamping pieces 42b, 42b in the second tuning fork terminal 40b are configured to be shorter than the clamping pieces 42a, 42a in the first tuning fork terminal 40a, the deflection of the second tuning fork terminal 40b can be reduced. The gripping force of 40b can be made stronger than the first tuning fork terminal 40a. Thereby, the gripping force for gripping the relay terminal 32 can be improved, and the relay 30 can be stably gripped by the relay mounting portion 20.
　また、本実施形態のように、挟持片４２ｂ，４２ｂを短くすることにより第二音叉端子４０ｂにおける当接部４３ｂ，４３ｂの先端位置を第一音叉端子４０ａにおける当接部４３ａ，４３ａの先端位置よりも低くすることで、リレー端子３２が第一音叉端子４０ａと当接するタイミングと、第二音叉端子４０ｂと当接するタイミングとをずらすことができるため、全体の保持力を向上させながら、リレー３０をリレー取付部２０に取り付けるために必要な挿入力を低減させることができる。 Further, as in this embodiment, by shortening the clamping pieces 42b, 42b, the tip positions of the contact portions 43b, 43b in the second tuning fork terminal 40b are changed to the tip positions of the contact portions 43a, 43a in the first tuning fork terminal 40a. Since the timing at which the relay terminal 32 abuts on the first tuning fork terminal 40a and the timing at which the relay terminal 32 abuts on the second tuning fork terminal 40b can be shifted, the relay 30 is improved while improving the overall holding force. Can be reduced in the insertion force required for mounting the relay mounting portion 20 on the relay mounting portion 20.
　また、第二音叉端子４０ｂにおける当接部４３ｂ，４３ｂは、リレー端子３２の挿入方向に沿った面の面積が、第一音叉端子４０ａにおいて対応する面積よりも広く構成されることにより、第二音叉端子４０ｂの把持力を向上させるとともに、リレー端子３２と第二音叉端子４０ｂとの電気伝導性を向上させることができる。 Further, the contact portions 43b and 43b of the second tuning fork terminal 40b are configured such that the area of the surface along the insertion direction of the relay terminal 32 is wider than the corresponding area of the first tuning fork terminal 40a. The gripping force of the tuning fork terminal 40b can be improved, and the electrical conductivity between the relay terminal 32 and the second tuning fork terminal 40b can be improved.
　さらにまた、当接部４３ｂ，４３ｂとリレー端子３２との当接面積を大きくすることができるため、第二音叉端子４０ｂとリレー端子３２との当接部分が枢動軸として機能することを抑制できるとともに、仮に振動により枢動したとしても、当接部４３ｂ，４３ｂがリレー端子３２の枢動を抑制できる。したがって、第一音叉端子４０ａに把持されリレー端子３２の接触不良をより確実に抑制できる。 Furthermore, since the contact area between the contact portions 43b and 43b and the relay terminal 32 can be increased, the contact portion between the second tuning fork terminal 40b and the relay terminal 32 is prevented from functioning as a pivot shaft. In addition, the contact portions 43b and 43b can suppress the pivot of the relay terminal 32 even if it pivots due to vibration. Therefore, the contact failure of the relay terminal 32 held by the first tuning fork terminal 40a can be more reliably suppressed.
　また、当接部４３，４３（当接部４３ａ，４３ａ、当接部４３ｂ，４３ｂ）におけるリレー端子３２の挿入方向の基端側に、対向する当接部４３，４３（当接部４３ａ，４３ａ、当接部４３ｂ，４３ｂ）に向けて傾斜するテーパ面４６，４６（テーパ面４６ａ，４６ａ、テーパ面４６ｂ，４６ｂ）が設けられ、第二音叉端子４０ｂにおけるテーパ面４６ｂ，４６ｂは、第一音叉端子４０ａにおけるテーパ面４６ａ，４６ａよりも緩やかな傾斜で構成されることにより、リレー端子３２を音叉端子４０（第一音叉端子４０ａ、第二音叉端子４０ｂ）に案内することができ、より確実にリレー３０を取付けることができる。 Further, the abutting portions 43, 43 (abutting portions 43a, 43a, abutting portions 43a, 43a, abutting portions 43b, 43b) are opposed to the base end side in the insertion direction of the relay terminal 32. 43a and contact portions 43b, 43b) are provided with tapered surfaces 46, 46 (tapered surfaces 46a, 46a, tapered surfaces 46b, 46b). The tapered surfaces 46b, 46b of the second tuning fork terminal 40b are By being configured with a gentler slope than the tapered surfaces 46a, 46a of the one tuning fork terminal 40a, the relay terminal 32 can be guided to the tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b). The relay 30 can be securely attached.
　また、第二音叉端子４０ｂにおけるテーパ面４６ｂ，４６ｂが、第一音叉端子４０ａにおけるテーパ面４６ａ，４６ａよりも緩やかな傾斜面で構成されていることにより、第二音叉端子４０ｂにおける当接部４３ｂ，４３ｂの接触面積を増大させることができ、第二音叉端子４０ｂの把持力を向上させることができる。 Further, since the tapered surfaces 46b, 46b of the second tuning fork terminal 40b are formed with inclined surfaces that are gentler than the tapered surfaces 46a, 46a of the first tuning fork terminal 40a, the contact portion 43b of the second tuning fork terminal 40b. , 43b can be increased, and the gripping force of the second tuning fork terminal 40b can be improved.
　さらにまた、第二音叉端子４０ｂは、第一把持部群２２及び第二把持部群２３のうち、所定の間隔を隔てて配置された音叉端子４０の数が少ない側である第二把持部群２３に設けられていることにより、音叉端子４０の数が少ない第二方向Ｓの把持力が低下することを防止できるため、リレー取付部２０全体として安定した把持力を有することができる。 Furthermore, the second tuning fork terminal 40b is a second gripping part group on the side of the first gripping part group 22 and the second gripping part group 23 where the number of tuning fork terminals 40 arranged at a predetermined interval is small. 23, since it is possible to prevent the gripping force in the second direction S with a small number of tuning fork terminals 40 from being lowered, the relay mounting portion 20 as a whole can have a stable gripping force.
　この発明の構成と、上述の実施形態との対応において、
端子把持部は、音叉端子４０（第一音叉端子４０ａ、第二音叉端子４０ｂ）に対応し、
強把持部は、第二音叉端子４０ｂに対応するが、この発明は、上述の実施形態の構成のみに限定されるものではなく、多くの実施の形態を得ることができる。 In correspondence between the configuration of the present invention and the above-described embodiment,
The terminal gripping part corresponds to the tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b),
The strong gripping part corresponds to the second tuning fork terminal 40b, but the present invention is not limited to the configuration of the above-described embodiment, and many embodiments can be obtained.
　例えば、本実施形態において、強把持部に対応する第二音叉端子４０ｂは、高さ方向Ｈに対する挟持片４２ｂ，４２ｂの長さが、挟持片４２ａ，４２ａより短くなるように構成されるとともに、高さ方向Ｈに対する当接部４３ｂ，４３ｂの長さが当接部４３ａ，４３ａより長くなるように構成されているが、必ずしもこの構成である必要はなく、例えば、図７（ｂ）及び図７（ｃ）に示すような形状で構成してもよい。 For example, in the present embodiment, the second tuning fork terminal 40b corresponding to the strong gripping portion is configured such that the length of the sandwiching pieces 42b and 42b with respect to the height direction H is shorter than the sandwiching pieces 42a and 42a. Although the length of the abutting portions 43b and 43b with respect to the height direction H is configured to be longer than the abutting portions 43a and 43a, this configuration is not necessarily required. For example, FIG. 7B and FIG. You may comprise by the shape as shown to 7 (c).
　ここで、図７は、第二音叉端子４０ｂの他の実施形態を表す正面図を示す。詳述すると、図７（ａ）は参考のために示した第一音叉端子４０ａの正面図を示し、図７（ｂ）は第二音叉端子４０ｂの他の実施形態である強把持部４０ｃの正面図を示し、図７（ｃ）は第二音叉端子４０ｂの他の実施形態である強把持部４０ｄの正面図を示す。また、図７（ｄ）及び図７（ｅ）は他の実施形態おけるリレー取付部２０の平面図を示す。 Here, FIG. 7 shows a front view showing another embodiment of the second tuning fork terminal 40b. Specifically, FIG. 7 (a) shows a front view of the first tuning fork terminal 40a shown for reference, and FIG. 7 (b) shows a strong gripping portion 40c which is another embodiment of the second tuning fork terminal 40b. A front view is shown and FIG.7 (c) shows the front view of the strong holding | grip part 40d which is other embodiment of the 2nd tuning fork terminal 40b. Moreover, FIG.7 (d) and FIG.7 (e) show the top view of the relay attachment part 20 in other embodiment.
　例えば、第二音叉端子４０ｂの代わりに、図７（ｂ）に示すように、高さ方向Ｈに対する全長を短くするとともに、当接部４３ｃの長さを長くする強把持部４０ｃや、図７（ｃ）に示すように、高さ方向Ｈに対する全体の長さ及び当接部４３ｄ、４３ｄの長さを長くした強把持部４０ｄとしてもよい。 For example, instead of the second tuning fork terminal 40b, as shown in FIG. 7B, the strong gripping portion 40c that shortens the entire length in the height direction H and lengthens the length of the contact portion 43c, or FIG. As shown in (c), it is good also as the strong holding | grip part 40d which lengthened the whole length with respect to the height direction H, and the length of the contact parts 43d and 43d.
　また、中央部分に配置する第二音叉端子４０ｂの高さ方向Ｈに対する長さをそのままとして、外側に配置する第一音叉端子４０ａの高さ方向Ｈに対する長さを第二音叉端子４０ｂよりも短くする構成としてもよい。すなわち、第二音叉端子４０ｂと第一音叉端子４０ａとの関係は絶対的なものでなく、相対的なものである。 Further, the length of the second tuning fork terminal 40b arranged at the center portion in the height direction H is left as it is, and the length of the first tuning fork terminal 40a arranged outside in the height direction H is shorter than that of the second tuning fork terminal 40b. It is good also as composition to do. That is, the relationship between the second tuning fork terminal 40b and the first tuning fork terminal 40a is not absolute but relative.
　また、本実施形態において、第二音叉端子４０ｂは第二把持部群２３における第一把持部群２２側に配置しているが、必ずしもこの位置に配置しなければならないわけでなく、例えば図７（ｄ）に示すように、第一把持部群２２の中央に第二音叉端子４０ｂを配置してもよく、さらには、図７（ｅ）のように、第一把持部群２２の中央部分及び第二把持部群２３の第一把持部群２２側の位置に配置してもよい。 In the present embodiment, the second tuning fork terminal 40b is disposed on the first gripping portion group 22 side in the second gripping portion group 23. However, the second tuning fork terminal 40b does not necessarily have to be disposed at this position. As shown in FIG. 7D, the second tuning fork terminal 40b may be arranged in the center of the first gripping portion group 22, and further, as shown in FIG. And you may arrange | position in the position by the side of the 1st holding part group 22 of the 2nd holding part group 23. FIG.
　また、本実施形態では、リレー３０は５つのリレー端子３２を有する構成とし、リレー取付部２０はこれに対応する数の音叉端子４０（第一音叉端子４０ａ、第二音叉端子４０ｂ）を備えているが、リレー３０が有するリレー端子３２は４つである場合としてもよく、これに対して音叉端子４０（第一音叉端子４０ａ、第二音叉端子４０ｂ）の数も対応して合わせてもよい。 In this embodiment, the relay 30 includes five relay terminals 32, and the relay mounting portion 20 includes the corresponding number of tuning fork terminals 40 (first tuning fork terminal 40a and second tuning fork terminal 40b). However, the relay 30 may have four relay terminals 32, and the number of tuning fork terminals 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) may be matched accordingly. .
　また、リレー端子３２の配置位置も適宜設計に合わせて変更してもよい。この場合、当然に対応する音叉端子４０（第一音叉端子４０ａ、第二音叉端子４０ｂ）の配置位置も合わせて変更してもよい。なお、第二音叉端子４０ｂはリレー取付部２０の中央付近に配置される必要がある。 Also, the arrangement position of the relay terminal 32 may be changed according to the design as appropriate. In this case, naturally, the arrangement position of the corresponding tuning fork terminal 40 (first tuning fork terminal 40a, second tuning fork terminal 40b) may be changed together. The second tuning fork terminal 40b needs to be arranged near the center of the relay mounting portion 20.
　さらにまた、本実施形態では、第一把持部群２２を構成する音叉端子４０は、第二方向Ｓに沿って並んで配列されているものの、中央の第一音叉端子４０ａが第一方向Ｆに対してずれて配置されているが、この第一音叉端子４０ａを一直線上に配置してもよいし、３つの第一音叉端子４０ａをそれぞれ第一方向Ｆに対してずらしてもよい。なお、音叉端子４０の主面が第一方向Ｆに向いていれば、ずらす方向は問わない。　
　同様に、第二把持部群２３を構成する第一音叉端子４０ａ，第二音叉端子４０ｂについても適宜その位置を変更してもよい。 Furthermore, in the present embodiment, the tuning fork terminals 40 constituting the first gripping portion group 22 are arranged side by side along the second direction S, but the central first tuning fork terminal 40a is arranged in the first direction F. The first tuning fork terminals 40a may be arranged on a straight line, or the three first tuning fork terminals 40a may be shifted with respect to the first direction F, respectively. In addition, as long as the main surface of the tuning fork terminal 40 faces the first direction F, the direction of shifting is not limited.
Similarly, the positions of the first tuning fork terminal 40a and the second tuning fork terminal 40b constituting the second gripping portion group 23 may be appropriately changed.
１　　　　電気接続箱
２０　　　リレー取付部
２２　　　第一把持部群
２３　　　第二把持部群
３０　　　リレー
３１　　　リレー本体
３２　　　リレー端子
４０　　　音叉端子
４０ａ　　第一音叉端子
４０ｂ　　第二音叉端子
４２、４２ａ，４２ｂ　　挟持片
４３、４３ａ，４３ｂ　　当接部
４６、４６ａ、４６ｂ　　テーパ面
Ｆ　　　第一方向
Ｓ　　　第二方向 DESCRIPTION OF SYMBOLS 1 Electrical connection box 20 Relay attachment part 22 1st holding part group 23 2nd holding part group 30 Relay 31 Relay main body 32 Relay terminal 40 Tuning fork terminal 40a First tuning fork terminal 40b Second tuning fork terminal 42, 42a, 42b Holding piece 43, 43a, 43b Contact portions 46, 46a, 46b Tapered surface F First direction S Second direction

Claims (7)

  1. 　リレー本体と、該リレー本体から突出する複数の板状のリレー端子とで構成されたリレーを組み付けて電気的に接続されるリレー取付部であって、
    前記リレー端子を把持する複数の端子把持部が備えられ、
    前記端子把持部は、
    基端側が連結するとともに、先端側が開口するように設けられた一対の挟持片と、該挟持片の先端側において対向する前記挟持片に向けて突出し、前記リレー端子と当接する当接部とで構成され、
    第一方向に対して向きが沿うとともに、前記第一方向と直交する第二方向に所定の間隔を隔てて複数の前記端子把持部が配置された第一把持部群と、
    前記第二方向に対して向きが沿うとともに、前記第一方向に所定の間隔を隔てて複数の前記端子把持部が配置された第二把持部群とを構成し、
    前記第一把持部群のうち前記第二方向の中央部分に配置された前記端子把持部、及び、前記第二把持部群のうち前記第一把持部群における前記第二方向の中央部分に配置された前記端子把持部の少なくとも一方が、他の前記端子把持部に比べて把持力が強固である強把持部で構成された
    リレー取付部。     A relay mounting portion that is electrically connected by assembling a relay composed of a relay body and a plurality of plate-like relay terminals protruding from the relay body,
    A plurality of terminal grips for gripping the relay terminal are provided,
    The terminal gripping part is
    A pair of sandwiching pieces provided so that the proximal end side is connected and the distal end side is open, and an abutting portion that protrudes toward the sandwiching piece facing the distal end side of the sandwiching piece and abuts on the relay terminal Configured,
    A first gripping portion group in which a plurality of the terminal gripping portions are arranged at a predetermined interval in a second direction orthogonal to the first direction, along the direction along the first direction;
    A second gripping portion group in which the plurality of terminal gripping portions are arranged with a predetermined interval in the first direction, the orientation being along the second direction;
    The terminal gripping portion disposed in the central portion in the second direction in the first gripping portion group, and the central portion in the second direction in the first gripping portion group in the second gripping portion group. A relay mounting portion in which at least one of the terminal gripping portions is a strong gripping portion having a gripping force stronger than that of the other terminal gripping portions.
  2. 　前記強把持部における挟持片が、他の前記端子把持部における挟持片よりも短く構成された
    請求項１に記載のリレー取付部。     The relay mounting part according to claim 1, wherein the clamping piece in the strong gripping part is configured to be shorter than the clamping piece in the other terminal gripping part.
  3. 　前記強把持部における当接部が、
    他の前記端子把持部において対応する当接部よりも、前記リレー端子の挿入方向に沿って長く構成された
    請求項１又は請求項２に記載のリレー取付部。     The contact portion in the strong gripping portion is
    The relay attachment portion according to claim 1 or 2, wherein the relay attachment portion is configured to be longer in the insertion direction of the relay terminal than a corresponding contact portion in the other terminal gripping portion.
  4. 　前記強把持部における当接部が、
    他の前記端子把持部における当接部の位置よりも、前記リレー端子の挿入方向に沿って先端側又は基端側に設けられた
    請求項１乃至請求項３のうちのいずれかに記載のリレー取付部。     The contact portion in the strong gripping portion is
    The relay according to any one of claims 1 to 3, wherein the relay is provided on the distal end side or the proximal end side in the insertion direction of the relay terminal with respect to the position of the contact portion in the other terminal gripping portion. Mounting part.
  5. 　前記当接部における前記リレー端子の挿入方向の基端側に、対向する前記当接部に向けて傾斜するテーパ面が設けられ、
    前記強把持部におけるテーパ面は、他の前記端子把持部におけるテーパ面よりも緩やかな傾斜で構成された
    請求項１乃至請求項４のうちのいずれかに記載のリレー取付部。     On the base end side in the insertion direction of the relay terminal in the contact portion, a tapered surface that is inclined toward the contact portion facing is provided.
    The taper surface in the said strong holding | grip part is a relay attachment part in any one of the Claims 1 thru | or 4 comprised by the gentle inclination rather than the taper surface in the said other terminal holding part.
  6. 　前記強把持部は、
    前記第一把持部群又は前記第二把持部群のうち、所定の間隔を隔てて配置された前記端子把持部の数が少ない側に設けられた
    請求項１乃至請求項５のうちのいずれかに記載のリレー取付部。     The strong gripping part is
    6. The device according to claim 1, wherein the first gripping portion group or the second gripping portion group is provided on a side where the number of the terminal gripping portions arranged at a predetermined interval is small. The relay mounting part described in.
  7. 　請求項１乃至請求項６のうちのいずれかに記載のリレー取付部が備えられた
    電気接続箱。     An electrical junction box provided with the relay mounting portion according to any one of claims 1 to 6.
PCT/JP2019/011185 2018-03-19 2019-03-18 Relay attachment portion, and electrical connection box WO2019181855A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112367771A (en) * 2020-12-12 2021-02-12 河南天海电器有限公司 Circuit board design method of commercial vehicle electrical box and circuit board

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Publication number Priority date Publication date Assignee Title
JP2002343463A (en) * 2001-05-14 2002-11-29 Sumitomo Wiring Syst Ltd Connection structure of electric component and electric wire
JP2004282861A (en) * 2003-03-14 2004-10-07 Sumitomo Wiring Syst Ltd Electrical connection box
JP2010016943A (en) * 2008-07-02 2010-01-21 Yazaki Corp Mounting structure for relays

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Publication number Priority date Publication date Assignee Title
JP2005312130A (en) 2004-04-19 2005-11-04 Auto Network Gijutsu Kenkyusho:Kk Electrical junction box

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Publication number Priority date Publication date Assignee Title
JP2002343463A (en) * 2001-05-14 2002-11-29 Sumitomo Wiring Syst Ltd Connection structure of electric component and electric wire
JP2004282861A (en) * 2003-03-14 2004-10-07 Sumitomo Wiring Syst Ltd Electrical connection box
JP2010016943A (en) * 2008-07-02 2010-01-21 Yazaki Corp Mounting structure for relays

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112367771A (en) * 2020-12-12 2021-02-12 河南天海电器有限公司 Circuit board design method of commercial vehicle electrical box and circuit board

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