WO2011013260A1 - Composant de raccordement de circuit et boîtier de raccordement électrique doté de ce dernier - Google Patents

Composant de raccordement de circuit et boîtier de raccordement électrique doté de ce dernier Download PDF

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Publication number
WO2011013260A1
WO2011013260A1 PCT/JP2010/001384 JP2010001384W WO2011013260A1 WO 2011013260 A1 WO2011013260 A1 WO 2011013260A1 JP 2010001384 W JP2010001384 W JP 2010001384W WO 2011013260 A1 WO2011013260 A1 WO 2011013260A1
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WO
WIPO (PCT)
Prior art keywords
fuse
circuit
connection
covering member
protruding
Prior art date
Application number
PCT/JP2010/001384
Other languages
English (en)
Japanese (ja)
Inventor
折原惇朗
鈴木達夫
加藤大詞
Original Assignee
住友電装株式会社
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 住友電装株式会社 filed Critical 住友電装株式会社
Publication of WO2011013260A1 publication Critical patent/WO2011013260A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
    • H01H85/2035—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals for miniature fuses with parallel side contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/165—Casings
    • H01H85/175—Casings characterised by the casing shape or form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/0411—Miniature fuses
    • H01H85/0415—Miniature fuses cartridge type
    • H01H85/0417—Miniature fuses cartridge type with parallel side contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/08—Short-circuiting members for bridging contacts in a counterpart

Definitions

  • the present invention relates to a circuit connection component that can be held in a non-connected state in advance with respect to an electric component mounting portion of an electric connection box for an automobile, and an electric connection box including the circuit connection component.
  • electrical junction boxes such as relay boxes and fuse boxes have been used for the purpose of improving the efficiency of electric wiring of automobiles and improving maintainability.
  • the electrical junction box receives electricity from the battery, and distributes and supplies electricity to various electrical components via an external electric wire connected to an internal circuit composed of a fuse, a bus bar and the like. Therefore, when the operation is suspended for a long period of time, such as when the vehicle is exported, a dark current provided in a circuit (hereinafter referred to as a dark current circuit) that always consumes power, such as a watch, for the purpose of preventing battery consumption.
  • a component such as a fuse for connecting a circuit and making it conductive (hereinafter referred to as a circuit connecting component) is removed to cut off the current from the battery.
  • the dark current fuse removed from the dark current circuit needs to be reconnected to a predetermined portion of the dark current circuit when the vehicle is used. Therefore, for the purpose of preventing the dark current fuse from being lost and erroneously connected, a holder for accommodating and holding the dark current fuse is separately provided, and the holder is connected to the connection portion of the dark current fuse and connected to the dark current fuse.
  • a holding structure that can be held by switching to a position has been proposed. For example, it is as described in US Pat. No. 6,033,252 (Patent Document 1).
  • Patent Document 2 JP-A-2006-286504 (Patent Document 2), in order to eliminate the need for a fuse folder, an insertion guide surface that protrudes greatly outward from the dark current fuse connection portion is provided, and the fuse connection portion is separated from the fuse connection portion.
  • a structure for temporary holding at a certain place has been proposed.
  • only an insertion guide is required instead of the fuse folder, and the structure is not simplified.
  • the insertion guide surface that largely protrudes from the fuse connecting portion is not preferable after dark current is brought into the connected state, which obstructs subsequent maintenance work such as fuse replacement.
  • the present invention has been made in the background of the above-mentioned circumstances, and the problem to be solved is that the circuit connection component such as the above-described dark current fuse is connected to and disconnected from the electric circuit of the electric connection box.
  • This is a new holding technology that can change the position and hold it in a state, and it is not necessary to provide a separate fuse holder or a large guide member, and the connection state of the electric connection box to the electric circuit is not
  • the conductive conductive member is covered with an insulating covering member, and the connection terminal formed on the conductive member protrudes from the covering member.
  • the connection terminal In the circuit connection component in which the connection terminal is connected to the electric circuit of the electric connection box by being inserted in the protruding direction of the connection terminal with respect to the electric connection box, it can be picked when the electric connection box is attached to or detached from the electric connection box. While the grip portion protrudes from the covering member and is integrally formed, the connection terminal of the conductive member is connected to the electric connection box by being locked to the electric connection box in the course of being inserted into the electric connection box. A temporary holding portion that is positioned and temporarily held in a state in which the connection box is not connected to the electrical circuit protrudes from the covering member and is integrally formed.
  • the gripping part and the temporary holding part are integrally formed on the circuit connection part itself such as a fuse, it is possible to eliminate the need for another part such as a holder that has been conventionally required, and to reduce the number of parts. Can be planned. Furthermore, by integrally forming the gripping part and the temporary holding part, it is possible to solve the problem that the fuse or the like comes out of a separate holder.
  • the circuit connection component in the present invention is not limited to a fuse having a fusing part in the conductive member, but may be a so-called short pin used for temporarily interrupting an electric circuit without having a fusing part in the conductive member.
  • the circuit connection component is not temporarily held at another place away from the mounting portion to the electric circuit, but is temporarily held at a position in the middle of the straight line that is the insertion direction of the fuse or the like. ing.
  • the circuit connection parts can be temporarily held in the insertion direction, the circuit connection parts can be connected to the electric circuit by a simple operation of pushing the circuit connection parts in the insertion direction, and erroneous assembly can be prevented. .
  • a second aspect of the present invention relating to a circuit connection component is the one described in the first aspect, wherein the temporary holding portion is locked to the electrical connection box, thereby inserting the circuit connection component.
  • a first holding-side locking portion that restricts displacement in the direction; a second holding-side locking portion that restricts displacement in the drawing direction of the circuit connection component by being locked to the electrical connection box; It is comprised including.
  • the temporary holding state can be more stably maintained by restricting the displacement in both the insertion direction and the extraction direction of the circuit connection component.
  • the fusing part is provided in the conducting member in the first or second aspect, and the fusing part is visually observed from the outside of the covering member. It is possible.
  • the portion covering the fusing portion should be configured to be visible like a conventional fuse or the like. I can do it. And since the fusing part can be directly visually recognized from the outside, for example, the state of the fusing part can be confirmed while maintaining the temporary holding state.
  • the insertion direction of the connection terminal into the electrical connection box in the covering member, the insertion direction of the connection terminal into the electrical connection box;
  • the grip portion protrudes toward the opposite side.
  • the protruding direction of the gripping part extends in the same direction as the insertion / removal direction of the circuit connection component with respect to the electrical connection box, the operation force from fingers or the like is effectively applied in the insertion / removal direction.
  • the connecting / disconnecting operation of the connection terminal to / from the electric circuit can be performed more easily.
  • an aspect in which the gripping part protrudes on the central axis of the covering member is suitably employed. That is, in the case of a separate holder such as a conventional structure, a housing portion for housing the fuse is provided at the center of the holder, and an opening for inserting the fuse is provided on the upper end surface of the housing portion. It was necessary to provide a lid for covering. Therefore, if the grip portion is to be provided on the central axis, it must be provided on the lid portion, and the operating force of the grip portion is exerted on the holder via the lid portion. It was difficult to exert. On the other hand, according to this aspect, since the grip portion can be integrally formed directly from the covering member without using a lid portion or the like, it is more effective by positioning the grip portion on the central axis of the covering member. Operation force can be obtained.
  • a pair of the connection terminals is provided at each of both end portions in the length direction of the covering member.
  • the temporary holding portion is projected between the pair of connection terminals and protrudes in the same direction as the connection terminal portion from the covering member while protruding toward the insertion direction into the electrical connection box. It is configured.
  • the protruding leg can be formed without protruding to the side of the circuit connecting component. Therefore, it is possible to store the projecting leg portion in the mounting space of the circuit connection component in the state of being attached to the electrical junction box, and good space efficiency can be obtained. Furthermore, the possibility of interference with other members can be reduced as compared with a fuse holder having a conventional structure, and the risk of obstructing work such as maintenance can be reduced.
  • the temporary holding portion can be formed without protruding to the side of the circuit connection component, the shape of the circuit connection component mounting portion such as the fuse cavity in the electric connection box, in particular, the external shape is not changed.
  • a circuit connection component according to the invention can be mounted.
  • the temporary holding portion can be constituted by one protruding leg portion, and the material for forming the protruding leg portion can be reduced.
  • the covering member projects on both sides in the length direction and extends along the side.
  • the temporary holding portion is constituted by a pair of projecting leg portions projecting in the insertion direction into the electrical junction box.
  • a pair of protrusion leg part is gate-shaped as a whole including a coating
  • the circuit connecting component according to the present invention can be mounted only by providing a housing hole for the protruding leg portion on the side of the circuit component mounting portion.
  • the pair of projecting legs are formed with locking portions to the electrical connection box on the outer peripheral surface.
  • the pair of projecting leg portions are formed with pressing portions that are pressed and elastically deformed by fingers, and the locking is released by elastic deformation due to the pressing action on the pressing portions. If it does in this way, the engagement state of a projection leg part and an electric junction box can be easily canceled by pressing a press part, and the fixed force in the temporary holding state and the connection state to an electric circuit is effective. It is possible to easily remove the circuit connection component from the electrical connection box while securing the above. As a result, the circuit connection parts can be easily replaced. In addition, you may press the press part in this aspect with a finger, for example via a suitable tool.
  • a first aspect of the present invention relating to an electrical connection box is an electrical connection box to which the circuit connection component according to any one of the first to seventh aspects is mounted, wherein the circuit connection component mounting portion; And a temporary receiving portion that is locked to the temporary holding portion and temporarily positions the circuit connecting component.
  • the circuit connection component can be temporarily held in a state of being not connected to the electrical circuit while being inserted.
  • the provisional receiving portion is in relation to the first holding-side locking portion of the circuit connection component.
  • the first receiving side locking portion that restricts the displacement in the insertion direction of the circuit connection component by being locked and the second holding side locking portion of the circuit connection component is locked.
  • a second receiving-side locking portion that restricts displacement in the drawing direction of the circuit connecting component.
  • the displacement of the circuit connection component can be regulated in both the insertion direction and the extraction direction, and can be stably maintained in the temporary holding state.
  • the temporary holding portion is integrally formed on the covering member that covers the conductive member.
  • the circuit connection component can be temporarily held without preparing a separate holder or providing a large insertion guide portion instead of the holder on the electrical connection box side.
  • a circuit connection component is temporarily hold
  • integrally forming the gripping portion on the covering member the circuit connecting component can be more easily inserted into and removed from the electric circuit using the gripping portion.
  • FIG. The perspective view which shows the circuit connection component and electrical-connection box as 1st embodiment of this invention.
  • the front view of the circuit connection component shown in FIG. Cross-sectional explanatory drawing which shows the temporary holding state and mounting
  • Cross-sectional explanatory drawing which shows the temporary holding
  • the perspective view for demonstrating the different aspect of the electrical-connection box shown in FIG. The perspective view for demonstrating the different aspect of a holding part.
  • the perspective view for demonstrating the further different aspect of a holding part The perspective view for demonstrating the further different aspect of a holding part.
  • the perspective view for demonstrating the further different aspect of a holding part The perspective view for demonstrating the further different aspect of a holding part.
  • the perspective view for demonstrating the further different aspect of a holding part. The perspective view for demonstrating the further different aspect of a holding part.
  • the perspective view for demonstrating the further different aspect of a holding part. The perspective view for demonstrating the further different aspect of
  • FIG. 1 shows a main part of a fuse 10 according to a circuit connection component as a first embodiment of the present invention relating to a circuit connection component, and an electric connection box 12 as a first embodiment of the present invention relating to an electric connection box.
  • the fuse 10 is a so-called dark current fuse, and is attachable to and detachable from the mounting portion 14 of the electrical junction box 12.
  • FIG. 2 shows the fuse 10.
  • the fuse 10 has a structure in which a conductive conducting member 16 is covered with an insulating covering member 18.
  • the conducting member 16 is made of a conductive metal and has a pair of connection terminals 20 and 20 having a longitudinal plate shape.
  • the connection terminals 20 and 20 are arranged at a predetermined distance from each other, and are connected to each other by a fusing part 22 integrally formed between the connection terminals 20 and 20. And when the electric current more than a predetermined value flows into the fusing part 22, when the fusing part 22 blows, the electrical continuity of the mutual connection terminals 20 and 20 is interrupted
  • connection terminals 20 and 20 are not particularly limited, but in the present embodiment, they are set equal to the connection terminals of conventionally known fuses.
  • Such a conducting member 16 is covered with a covering member 18.
  • the covering member 18 has a flat plate shape made of an insulating synthetic resin.
  • the fusing part 22 of the conducting member 16 is accommodated in the covering member 18 and the longitudinal direction of the covering member 18 (in FIG. 2).
  • the connection terminals 20 and 20 of the conductive member 16 protrude from both end portions in the left and right direction).
  • the protruding direction of the connection terminals 20 and 20 from the covering member 18 (downward in FIG. 2) is the insertion direction of the fuse 10 into the electrical connection box 12.
  • the covering member 18 is formed with a visual recognition part 24 that is thin at least in the housing part of the fusing part 22 and is visible inside.
  • the visual recognition part 24 allows the fusing part 22 to be formed from the outside of the covering member 18. Visible.
  • the fuse 10 is partially provided with a shape substantially the same as that of a conventionally known so-called mini fuse, by a cover member 18 having a flat plate shape and a pair of connection terminals 20 and 20 protruding from the cover member 18. .
  • the covering member 18 may be covered with the covering member 18 by, for example, welding after the conducting member 16 is accommodated in a housing portion formed in the covering member 18, or the conducting member 16 may be insert-molded on the covering member 18. .
  • a pair of projecting leg portions 26 as temporary holding portions are formed at both end portions of the covering member 18 in the longitudinal direction (left and right direction in FIG. 2).
  • the projecting leg portion 26 protrudes on both sides in the length direction of the covering member 18 (both left and right sides in FIG. 2), and is inserted into the electrical junction box 12 along the side of the covering member 18 ( In FIG. 2, it protrudes downward.
  • a pair of laterally projecting plate portions 28, 28 projecting outward in the length direction of the covering member 18 are provided at both ends in the length direction of the covering member 18 in the thickness direction (length direction) of the covering member 18. Are formed integrally with the covering member 18 with a predetermined distance therebetween.
  • First extending plate portions 30, 30 protruding in the same direction as the connection terminal 20 are integrally formed on the outer end portions of the side protruding plate portions 28, 28, respectively.
  • the parts 30, 30 are connected to each other at the extended end.
  • a first holding-side locking portion 32 that protrudes outward in the thickness direction of the fuse 10 is formed on the outer surface of the first extending plate portion 30 at a substantially intermediate portion in the protruding direction.
  • overhanging portions 34 and 34 that protrude further outward in the length direction of the covering member 18 are formed on the outer ends of the side protruding plate portions 28 and 28 on the side opposite to the connection terminal 20, respectively.
  • the covering member 18 is spaced apart by a predetermined distance in the thickness direction.
  • a second extending plate portion 36 that projects in the same direction as the connection terminal 20 is integrally formed between the pair of projecting portions 34, 34.
  • the two extending plate portions 36 are connected to each other at both edges in the width direction.
  • the second extension plate portion 36 has a plate shape extending along the side of the covering member 18, and the extension tip portion thereof is the extension tip portion of the pair of first extension plate portions 30, 30. And connected to each other.
  • a reinforcing rib 37 extending substantially over the entire length is formed on the inner surface of the fuse 10 of the second extending plate portion 36.
  • a second holding-side locking portion 38 that protrudes outward at the side of the fuse 10 is formed on the outer surface of the second extending plate portion 36.
  • the second holding-side locking portion 38 is positioned forward (downward in FIG. 2) in the insertion direction of the fuse 10 as compared to the first holding-side locking portion 32.
  • the pair of first extending plate portions 30, 30 and the second extending plate portion 36 form a protruding leg portion 26, and the protruding leg portion 26 is a pair of first extending plate portions 30, 30.
  • the second extending plate portion 36 has a hollow structure in which three surfaces are formed.
  • the side protruding plate portion 28 in which the first extending plate portion 30 is formed is formed integrally with the covering member 18, and the second extending plate portion 36 is formed in the side protruding plate portion 28.
  • the projecting leg portion 26 is integrally formed with the covering member 18.
  • the fuse 10 can be directly or manually connected to the pressing portions 40a, 40a of the pair of first extending plate portions 30, 30 that are opposed to each other in the thickness direction of the fuse 10.
  • a pressing force F1 see FIG. 1
  • the first holding-side locking portions 32, 32 formed on the pair of first extending plate portions 30, 30 are brought closer to each other.
  • the protrusion leg 26 can be displaced inward.
  • the length direction of the fuse 10 is directly with a finger or through an appropriate tool or the like with respect to the pressing portions 40b, 40b of the pair of second extending plate portions 36, 36 located on both sides of the fuse 10.
  • the second holding-side locking portions 38, 38 formed on the pair of second extending plate portions 36, 36 are brought close to each other, and the respective projecting leg portions 26, 26 can be displaced inward.
  • a grip 44 is integrally formed on the top surface 42 of the covering member 18 opposite to the surface from which the connection terminal 20 is projected.
  • the holding portion 44 has a rectangular block shape and protrudes from the top surface 42 in the direction opposite to the connection terminal 20, and a lateral wall portion 46 that protrudes outward over the entire circumference is integrally formed at the protruding end portion.
  • the grip 44 in the present embodiment is formed on the same central axis as the central axis O of the fuse 10.
  • the electrical connection box 12 is provided with a mounting portion 14 for mounting the fuse 10.
  • the mounting portion 14 has a pair of leg insertion holes 50 and 50 that open on the upper bottom wall 48 of the electrical connection box 12 and a pair of terminal insertion holes 52 and 52.
  • the cross-sectional shape of the leg insertion hole 50 is a substantially T shape corresponding to the protruding leg portion 26 of the fuse 10.
  • the upper bottom wall 48 is formed at the opening end to the upper bottom wall 48 of the leg insertion hole 50 so as to slightly protrude inward from the outside of the leg insertion hole 50.
  • a stop wall portion 54 is provided.
  • a concave portion 56 having a substantially longitudinal rectangular shape and slightly recessed from the upper bottom wall 48 is formed, and a pair of terminal insertion holes is formed on the bottom surface of the concave portion 56. Openings 52 and 52 are formed.
  • the connection terminal 20 of the fuse 10 can be inserted into the terminal insertion hole 52.
  • a connection terminal portion 58 of a bus bar (not shown) provided in the electrical connection box 12 is disposed in one terminal insertion hole 52, and includes the connection terminal portion 58. Twelve electric circuits are configured.
  • protective wall portions 60 that protrude in the insertion / extraction direction of the fuse 10 are formed at the four corners of the recess 56.
  • the protruding leg portions 26 and 26 of the fuse 10 are connected to the leg insertion holes 50 and 26 of the mounting portion 14, respectively.
  • the fuse 10 is inserted into the electric connection box 12 in the protruding direction of the connection terminal 20 (downward in FIG. 3).
  • the first holding side locking portion 32 is locked to the upper bottom wall 48 of the electrical connection box 12 before the connection terminal 20 is inserted into the terminal insertion hole 52, so that the fuse 10. Displacement in the insertion direction (downward in FIG. 3) is restricted.
  • the fuse 10 is inserted into and removed from the electrical connection box 12 by the engagement between the first holding side locking portion 32 and the upper bottom wall 48 and the engagement between the second holding side locking portion 38 and the locking wall portion 54.
  • the displacement in both directions is restricted.
  • the fuse 10 is temporarily positioned in a state in which the connection terminal 20 is aligned with the terminal insertion hole 52 in the insertion direction and is not connected to the connection terminal portion 58 disposed in the terminal insertion hole 52. And is temporarily held.
  • the upper bottom wall 48 is the first receiving side locking portion
  • the locking wall portion 54 is the second receiving side locking portion.
  • a temporary receiving portion of the electrical junction box 12 is configured including the bottom wall 48 and the locking wall portion 54.
  • the first holding side locking portion 32 and the upper bottom wall 48 are connected.
  • the engagement state is released.
  • This engagement state is released by directly pressing the pair of pressing portions 40a, 40a with fingers or tools in each of the protruding legs 26, 26, or by further pressing the fuse 10 in the insertion direction from the temporary holding state. Due to the guiding action of the bottom wall 48 and the first holding-side locking portion 32, the pressing portions 40a, 40a are elastically deformed to displace the first holding-side locking portion 32 inward of the protruding leg portion 26, respectively. .
  • connection terminals 20 and 20 are inserted into the terminal insertion holes 52 and 52, respectively, and one connection terminal 20 is disposed in the one terminal insertion hole 52.
  • the other connection terminal 20 is connected to, for example, a crimp terminal of an external electric wire (not shown) in the other terminal insertion hole 52.
  • protective wall portions 60 are disposed at the four corners of the fuse 10 mounted on the mounting portion 14 to protect against collisions with other members, and to prevent inclination with respect to the mounting portion 14. It has come to be.
  • the second holding side is formed by applying a pressing force to the pressing portion 40b in which the second holding side locking portions 38, 38 are formed in the same manner as the pressing portion 40a and elastically deforming inward of the protruding leg portion 26.
  • the engagement between the side locking portion 38 and the locking wall portion 54 is released. Thereby, the fuse 10 can be removed from the electrical junction box 12.
  • the fuse 10 and the electrical junction box 12 having such a structure, since the projecting leg portion 26 as a temporary holding portion is integrally formed with the fuse 10 itself, another part such as a fuse holder that has been conventionally required is provided.
  • the fuse 10 can be temporarily held with respect to the electrical junction box 12 without using the. And it is also possible to visually recognize the state of the fusing part 22 from the outside through the visual recognition part 24 of the covering member 18, and there is no need to take out from the holder one by one, as in the case of using a conventional fuse holder. It is said.
  • the fuse 10 can be temporarily held in the insertion direction, the fuse 10 can be mounted on the mounting portion 14 by an extremely simple operation of pushing the fuse 10 further from the temporary holding state toward the electrical connection box 12, The possibility of incorrect assembly of the fuse 10 can also be reduced. At the same time, it is not necessary to form a special accommodation space for temporarily holding the fuse on the electrical connection box 12, and excellent space efficiency can be obtained. Further, when inserting from the temporary holding state, a guiding action can be exerted between the projecting leg portion 26 and the leg insertion hole 50, and the connection terminal 20 can be stably inserted into the terminal insertion hole 52.
  • the fuse 10 according to the present embodiment has a gate shape in which a pair of projecting leg portions 26 and 26 are provided at both ends, so that the temporary holding state and the guiding action during insertion are more stably exhibited. .
  • each of the connection terminals 20 and 20 and the pitch between the terminals are substantially the same as those of a conventionally known mini-fuse
  • the terminal insertion hole 52 on the mounting portion 14 side is provided for a conventional mini-fuse. It can be made the same shape as.
  • a conventionally known mini-fuse can be mounted on the mounting portion 14 instead of the fuse 10 according to the present invention.
  • FIG. 4 shows a fuse 70 relating to a circuit connection component as a second embodiment of the present invention relating to the circuit connection component.
  • members and parts that are substantially the same as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment in the drawings, and the description is appropriately described. Omitted.
  • the covering member 18 of the fuse 70 has a substantially T-shaped flat plate shape, and a part of the edge portion of the fusing part 22 and the pair of connection terminals 20 and 20 in the conducting member 16 is covered with the covering member 18.
  • the fuse 70 has a pair of connection terminals 20, 20 protruding in the insertion direction of the fuse 70 (downward in FIG. 4) from both ends in the length direction of the covering member 18 having a substantially T shape. It partially has the same shape as a so-called low profile fuse.
  • the low-profile fuse shape formed by the connection terminal 20 and the covering member 18 is set to the same size as a conventionally known low-profile fuse, Compatibility with a conventionally known low-profile fuse is obtained in a mounting portion 80 to be described later.
  • the visual recognition part 24 is formed also about the coating
  • the covering member 18 is integrally formed with a protruding leg portion 72 as a temporary holding portion protruding in the same direction as the connecting terminals 20, 20 between the pair of connecting terminals 20, 20.
  • the projecting legs 72 have a substantially plate shape, and on both surfaces of the projecting end portion from the covering member 18, there are a first holding-side latching section 74 projecting outward of the fuse 70 with a triangular cross section.
  • Two holding side locking portions 76 are formed adjacent to each other in the protruding direction of the protruding leg portion 72.
  • the second holding-side locking portion 76 is positioned closer to the protruding tip end side of the protruding leg 72 than the first holding-side locking portion 74.
  • the protruding end edge portion of the protruding leg portion 72 has a tapered shape continuous from the second holding side locking portion 76.
  • the fuse 70 having such a structure is mounted on a mounting portion 80 provided in an electrical connection box 78 as a second embodiment of the present invention relating to the electrical connection box.
  • a fuse insertion hole 82 is formed in the mounting portion 80.
  • a pair of lances 84, 84 are provided in the fuse insertion hole 82, and locking lances 86 projecting inward of the fuse insertion hole 82 are formed on the lances 84, 84, respectively.
  • crimp terminals 90 provided at the end portions of the electric wires 88 are disposed and held at positions corresponding to the connection terminals 20 and 20 of the fuse 70 by a lance 84.
  • the electric circuit of the electric junction box 78 is configured including the electric wires 88 and the crimp terminals 90.
  • the protruding leg portion 72 of the fuse 70 is inserted into the fuse insertion hole 82 of the mounting portion 80. Then, before the protruding leg portion 72 is inserted between the lances 84 and 84 and the connection terminal 20 is inserted into the fuse insertion hole 82, the second holding side locking portion 76 is connected to the lances 84 and 84.
  • the first holding-side locking portion 74 is locked by the locking claw 86 while getting over the locking claw 86.
  • the first holding-side locking portion 74 is locked by the locking claw 86, whereby the displacement in the insertion direction of the fuse 70 is restricted and the second holding-side locking portion 76 is locked.
  • the latching claw 86 is used as the first receiving-side latching portion and the second receiving-side latching portion as the temporary receiving portion of the electrical connection box 78.
  • the fuse 70 is further pushed in the insertion direction from the temporary holding state, and the first holding side locking portion 74 also gets over the locking claw 86, whereby the protruding leg portion 72 and the lances 84 and 84 are engaged. Is released, the fuse 70 is inserted into the fuse insertion hole 82, and the connection terminals 20, 20 are connected to the crimp terminals 90, 90.
  • the fuse insertion hole 82 can be enlarged, or a special insertion hole for inserting the protruding leg 72 can be used as the fuse insertion hole 82. It is also possible to eliminate the need to form the outside of the mounting portion 80, and the mounting portion 80 can be formed in a space efficient manner. In addition, the fuse 70 and the mounting portion 80 can be formed more compactly compared to a conventional structure using a separate fuse holder or the like, and the risk of disturbing work such as maintenance can be reduced. Furthermore, since only one protruding leg 72 needs to be formed, the material for forming the covering member 18 can be reduced.
  • FIG. 6 shows a main part of a short pin 100 as a third embodiment of the present invention relating to a circuit connection component and an electric junction box 102 as a third embodiment of the present invention relating to an electric connection box.
  • the conducting member 16 of the short pin 100 has a gate shape having a substantially constant width dimension, and the pair of connection terminals 20, 20 are not connected to the fusing part 22 and have a width dimension substantially equal to the connection terminal 20.
  • the parts 104 are connected to each other. Then, the connecting portion 104 of the conducting member 16 and the connecting portion 104 side of the connection terminals 20, 20 are covered with the flat cover member 18, so that the connection terminals 20, 20 protrude from the cover member 18.
  • the short pin 100 is partially formed in a shape that is substantially the same as a conventionally known so-called short pin.
  • the short pin shape formed by the connection terminals 20 and 20 and the covering member 18 is set to a size equal to that of a conventionally known short pin, so that in the mounting portion 118 of the electric connection box 102 described later. Compatibility with conventionally known short pins can be obtained.
  • the visual recognition part 24 is formed also in the coating
  • plate-like side protruding wall portions 106 that protrude outward in the length direction of the covering member 18 are integrally formed at both ends in the length direction of the covering member 18 (left and right direction in FIG. 6).
  • a plate-like protruding leg portion 108 that protrudes in the same direction as the protruding direction of the connection terminal 20 is integrally formed at the protruding tip portion of the side protruding wall portion 106, and the protruding tip portion of the protruding leg portion 108 is integrally formed.
  • the first holding side locking portion 110 and the second holding side locking portion 112 that protrude inward of the short pin 100 with a triangular cross section are formed adjacent to each other. Note that the second holding side locking portion 112 is positioned on the protruding tip side of the protruding leg 108 as compared to the first holding side locking portion 110.
  • a plate-like grip 114 that projects in the direction opposite to the projecting direction of the connection terminal 20 is integrally formed at the projecting tip of the side projecting wall 106.
  • a protruding end portion of the gripping portion 114 is formed with a piece portion 116 protruding outward in the length direction of the covering member 18 so that fingers and tools can be easily caught.
  • the side protruding wall portions 106, 106 are elastic. By being deformed, the projecting tip portions of the projecting leg portions 108 and 108 can be expanded.
  • the electrical junction box 102 is provided with a mounting portion 118.
  • the mounting portion 118 is formed with a pair of terminal insertion holes 120, 120 and a pair of leg insertion holes 122, 122 sandwiching the terminal insertion holes 120, 120.
  • the leg insertion holes 122 include leg portions.
  • a locking claw 124 is formed as a temporary receiving portion that protrudes inward of the insertion hole 122.
  • the second holding side locking portion 112 gets over the locking claw 124. Thereby, the first holding side locking portion 110 is locked to the upper surface of the locking claw 124 as the first receiving side locking portion, and the displacement in the insertion direction of the short pin 100 is restricted, The second holding side locking portion 112 is locked to the lower surface of the locking claw 124 as the second receiving side locking portion, and the displacement in the pulling direction of the short pin 100 is restricted, whereby the short pin 100 is controlled. Is temporarily held.
  • connection terminals 20 and 20 are inserted into the terminal insertion holes 120 and 120 from the temporary holding state, the short pin 100 is further pushed in, or the pressing part F3 is applied to the gripping part 114 with a finger or a tool to protrude.
  • the leg portions 108 and 108 and releasing the engagement state between the first holding side locking portion 110 and the locking claw 124 the displacement of the short pin 100 in the insertion direction is allowed.
  • the projecting leg portions 108 and 108 can be expanded by operating the grip portion 114.
  • the gripping portion is not necessarily a single protrusion, and may be formed by protrusions formed at a plurality of locations.
  • FIG. 7 shows the main part of the fuse 130 as the fourth embodiment of the present invention relating to the circuit connection parts and the electric junction box 132 as the fourth embodiment of the present invention relating to the electric junction box.
  • the grip portion is omitted, but various shapes including the shapes described in this specification can be appropriately employed as the grip portion.
  • the fuse 130 partially has a so-called low profile fuse shape in which the connection terminals 20 and 20 protrude from the covering member 18. Then, both end portions in the length direction of the covering member 18 are projected outward in the length direction, and the tip portions thereof are projected in the same direction as the projecting direction of the connection terminals 20, thereby forming a pair of temporary holding portions.
  • Protruding legs 134, 134 are formed.
  • the projecting leg portion 134 has a plate shape, and is formed with a pin insertion hole 136 penetrating in the thickness direction.
  • the pin insertion hole 136 is a substantially keyhole in which the guide part 140 extends in a direction opposite to the protruding direction of the protruding leg part 134 from a substantially circular locking part 138 located on the protruding side of the protruding leg part 134. It is made into a shape.
  • the guide portion 140 is gradually widened as it is away from the connection portion with the locking portion 138, and the width of the first holding side locking portion 141 provided at the connection portion between the guide portion 140 and the locking portion 138 is increased.
  • the dimension is slightly smaller than the diameter dimension of an engagement pin 148 described later.
  • a mounting portion 142 is formed in the electrical junction box 132.
  • the mounting portion 142 has a substantially rectangular block shape protruding from the electrical connection box 132, and a fuse insertion hole 144 is formed at the protruding end surface.
  • concave guide grooves 146 that open outward in the length direction and extend in the protruding direction of the mounting portion 142 are formed at both ends in the length direction of the mounting portion 142.
  • the width dimension of the guide groove 146 is slightly larger than the width dimension of the protruding leg portion 134 in the fuse 130.
  • the mounting portion 142 is formed with an engagement pin 148 having a cylindrical shape that protrudes outward in the length direction of the mounting portion 142 from the bottom surface of the guide groove 146, and the engagement pin 148 serves as a temporary receiving portion.
  • the diameter dimension of the engaging pin 148 is slightly smaller than the diameter dimension of the locking portion 138 formed on the protruding leg portion 134.
  • the pair of projecting leg portions 134, 134 are expanded and fitted in the guide groove 146 of the mounting portion 142, and the respective locking portions.
  • the engaging pin 148 is inserted into the 138.
  • the engagement pin 148 is locked by the first holding-side locking portion 141 provided in the pin insertion hole 136, so that the displacement in the insertion direction of the fuse 130 is restricted and the engagement pin 148 is
  • the locking portion 138 is locked by the second holding side locking portion 150 opposite to the first holding side locking portion 141, the displacement of the fuse 130 in the pulling direction is restricted.
  • the fuse 130 is positioned and temporarily held with respect to the mounting portion 142 while the connection terminals 20 and 20 are being inserted into the fuse insertion hole 144. Then, the fuse 130 is further pushed from the temporary holding state, and the engaging pin 148 is guided through the locking portion 138 of the pin insertion hole 136 over the first holding side locking portion 141 into the guide portion 140. The displacement of the fuse 130 in the insertion direction is allowed, and the connection terminals 20 and 20 are inserted into the fuse insertion hole 144.
  • the fuse 130 can be stably moved in the insertion / removal direction by the guide action of the engagement pin 148 and the pin insertion hole 136 and the guide action of the protruding leg 134 and the guide groove 146. . Further, when the engagement state between the engagement pin 148 and the pin insertion hole 136 is released, it is necessary to elastically deform the protruding leg portion 134 outward, so that the fuse 130 may fall off the mounting portion 142. Can be reduced.
  • a substantially circular fixed-side locking portion 152 is formed on the opposite side of the locking portion 138 in the pin insertion hole 136 as in the locking portion 138,
  • the width dimension of the connection portion 154 may be slightly smaller than the diameter dimension of the engagement pin 148.
  • FIG. 9 shows a main part of a fuse 160 as a fifth embodiment of the present invention related to circuit connection parts and an electric connection box 162 as a fifth embodiment of the present invention related to an electric connection box.
  • the gripping portion is omitted, but various shapes including the shapes described in this specification can be appropriately employed as the gripping portion.
  • the fuse 160 partially has a so-called low profile fuse shape.
  • a pair of projecting arm portions 164 serving as temporary holding portions that project outward in the length direction of the covering member 18 are formed at both ends in the length direction of the covering member 18.
  • a mounting portion 166 is formed in the electrical junction box 162.
  • a fuse insertion hole 168 is formed in the mounting portion 166, and a pair of guide walls 170 protruding in the insertion / extraction direction of the fuse 160 are provided at both ends in the length direction with the fuse insertion hole 168 interposed therebetween.
  • the guide wall 170 has a U-shaped cross section that opens toward the inside of the mounting portion 166.
  • the guide wall 170 is formed with a guide groove 172 that opens on the protruding front end surface 174 and extends in the insertion / extraction direction of the fuse 160.
  • the groove width dimension of the guide groove 172 is slightly smaller than the diagonal line of the cross-sectional shape of the protruding arm portion 164 having a diamond shape.
  • a temporary receiving portion 176 that is widened corresponding to the rhombus cross-sectional shape of the protruding arm portion 164 is formed at an intermediate portion of the guide groove 172, and the guide groove 172 extends on the opposite side to the protruding front end surface 174.
  • a fixed-side locking portion 178 that is widened corresponding to the rhombus cross-sectional shape of the protruding arm portion 164 is formed at the protruding end edge portion.
  • the fuse 160 When the fuse 160 is temporarily held in such a mounting portion 166, the fuse 160 is inserted between the pair of guide walls 170 and 170, and the protruding arm portion 164 is guided from the protruding distal end surface 174 side of the guide wall 170 to the guide groove. 172 to insert.
  • the protruding arm portion 164 When the fuse 160 is moved in the insertion direction according to the guide action of the guide groove 172, the protruding arm portion 164 is locked to the temporary receiving portion 176 before the connection terminal 20 is inserted into the fuse insertion hole 168. . Due to the engagement between the protruding arm portion 164 and the temporary receiving portion 176, the displacement of the fuse 160 in the insertion / extraction direction is restricted, and the fuse 160 is temporarily held.
  • the temporary holding portion is not necessarily limited to the one protruding in the same direction as the connection terminal, and may be formed orthogonal to the protruding direction of the connection terminal.
  • the guide groove 172 may be opened from the provisional receiving portion 176 to the side surface 180 of the guide wall 170.
  • the U-shaped guide wall 170 is opened to the outside of the mounting portion 166.
  • the protruding arm portion 164 of the fuse 160 is inserted into the guide groove 172 from the side surface 180 side of the guide wall 170. Then, when the fuse 160 is moved orthogonally to the insertion / extraction direction, the protruding arm portion 164 is engaged with the temporary receiving portion 176.
  • the extending direction of the guide groove 172 from the temporary receiving portion 176 is different from the insertion / extraction direction of the fuse 160, and the temporary receiving portion 176 is positioned at the end portion in the pulling direction of the fuse 160.
  • the displacement of the fuse 160 in the drawing direction can be more stably regulated.
  • the specific structures of the temporary holding part and the gripping part can be set as appropriate in consideration of required operability and holding force for insertion / extraction, the shape of the electrical connection box, the arrangement space, and the like.
  • some different aspects about a holding part are shown. 11 to 17 showing different aspects of the gripping portion, the temporary holding portion is omitted, but various shapes including the shapes described in this specification are appropriately used as the temporary holding portion. It can be adopted.
  • the fuse 190 shown in FIG. 11 is formed with a rectangular block-shaped gripping portion 192 that protrudes from the covering member 18 in the direction opposite to the protruding direction of the connection terminal 20.
  • a plurality of ribs 194 extending perpendicular to the insertion / extraction direction of the fuse 190 are formed on the side surface of the grip portion 192 at appropriate intervals in the insertion / extraction direction of the fuse 190. In this way, it is possible to reduce the possibility of the gripping part 192 being broken, and it is possible to suppress slipping of fingers and tools that grip the gripping part 192 with the rib 194.
  • FIG. 12 shows a fuse 196 and FIG. 13 shows a fuse 198.
  • the covering members 18 of the fuses 196 and 198 are respectively formed with plate-shaped gripping portions 200 and 202 that extend over the entire length of the covering member 18 and protrude in the direction opposite to the protruding direction of the connection terminal 20. ing.
  • the holding part 200 of the fuse 196 has a substantially semicircular disk shape, while the holding part 202 of the fuse 198 has a rectangular plate shape. According to these aspects, the grip portion can be formed with a simple structure.
  • the grip portion 206 of the fuse 204 shown in FIG. 14 has a rectangular vertical wall portion 208 that extends over the entire length of the covering member 18 and protrudes in the direction opposite to the protruding direction of the connection terminal 20.
  • a lateral wall portion 210 that extends perpendicularly to the insertion / extraction direction of the fuse 204 is formed at the protruding end portion of the vertical wall portion 208. In this way, when the fuse 204 is pushed in, the lateral wall portion 210 can secure a wider contact area with fingers and tools to obtain a more effective pressing force, and when the fuse 204 is pulled out, It can be easily pulled out by hooking a tool.
  • connection terminal 15 has a rectangular plate shape protruding from the covering member 18 in the direction opposite to the protruding direction of the connection terminal 20, and a through hole 216 is formed in the holding portion 214. Has been. In this way, it is possible to pull out the fuse 212 by inserting a tool or the like through the through hole 216.
  • the 16 has a plate shape that extends in the length direction of the covering member 18 and protrudes from the covering member 18 in a direction opposite to the protruding direction of the connection terminal 20.
  • the grip portion 222 is separated from the covering member 18, one end portion in the length direction of the covering member 18 approaches the other end portion, and the length direction dimension of the covering member 18 is gradually reduced. . If it does in this way, the holding part 222 can be reduced in size and the possibility of interference with other members can be reduced.
  • the holding part 226 of the fuse 224 shown in FIG. 17 protrudes from the covering member 18 in the direction opposite to the protruding direction of the connection terminal 20, and the protruding end edge protrudes on both sides in the length direction of the covering member 18. It is set as the substantially T-shaped plate shape. In this way, it is possible to easily hook fingers and tools.
  • the circuit connection component according to the present invention is configured by freely combining a mini fuse type, a low profile fuse type, a short pin type conductive member, and the gripping part and the temporary holding part exemplified in each of the embodiments and aspects. It is possible.
  • the visual recognition portion 24 that allows the inside of the covering member 18 to be visually recognized in the embodiment may be formed by a window portion that penetrates the covering member 18.
  • the visual recognition part 24 is not necessarily required.

Landscapes

  • Connection Or Junction Boxes (AREA)
  • Fuses (AREA)

Abstract

La présente invention a trait à un composant de raccordement de circuit doté d’une structure innovante de sorte qu’il n’est pas nécessaire de fournir un porte-fusible distinct ou un large élément de guidage, et qu’il est possible de commuter l’état de connexion du composant de raccordement de circuit et du circuit électrique d’un boîtier de raccordement électrique entre un état connecté et un état déconnecté et de maintenir le composant de raccordement de circuit dans chaque position. La présente invention a également trait à un boîtier de raccordement électrique doté dudit composant. Dans ledit composant, un élément conducteur (16) est recouvert d’un élément d’enveloppe isolante (18). Une partie de préhension (44), qui peut être saisie lorsque le composant de raccordement de circuit est connecté au boîtier de raccordement électrique (12) ou déconnecté de celui-ci, est formée d’une seule pièce avec l’élément d’enveloppe (18) de manière à faire saillie à partir de l’élément d’enveloppe (18). Enfin, des parties de maintien provisoire (26) sont formées d’une seule pièce avec l’élément d’enveloppe (18) de manière à faire saillie à partir de l’élément d’enveloppe (18). Les parties de maintien provisoire (26) se mettent en prise avec le boîtier de raccordement électrique (12) de manière à placer les bornes de connexion (20) de l’élément conducteur (16) dans un état déconnecté avec un circuit électrique (58) du boîtier de raccordement électrique (12) et à maintenir provisoirement les bornes de connexion dans cette position.
PCT/JP2010/001384 2009-07-29 2010-03-01 Composant de raccordement de circuit et boîtier de raccordement électrique doté de ce dernier WO2011013260A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-177050 2009-07-29
JP2009177050A JP2011035958A (ja) 2009-07-29 2009-07-29 回路接続部品およびそれを備えた電気接続箱

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WO2011013260A1 true WO2011013260A1 (fr) 2011-02-03

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WO2014169339A1 (fr) * 2013-04-16 2014-10-23 Utelme Pty Ltd Borne et liaison de déconnexion
WO2017163800A1 (fr) * 2016-03-22 2017-09-28 住友電装株式会社 Boîte de connexion électrique

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JP6950866B2 (ja) * 2018-02-08 2021-10-13 住友電装株式会社 暗電流回路の断続構造およびそれを備えた電気接続箱

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JP2003123617A (ja) * 2001-08-07 2003-04-25 Unitika Ltd ヒューズ素子用ポリアミド樹脂組成物およびヒューズ素子

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JPH0395578U (fr) * 1990-01-19 1991-09-30
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JP2003123617A (ja) * 2001-08-07 2003-04-25 Unitika Ltd ヒューズ素子用ポリアミド樹脂組成物およびヒューズ素子

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Publication number Priority date Publication date Assignee Title
WO2014169339A1 (fr) * 2013-04-16 2014-10-23 Utelme Pty Ltd Borne et liaison de déconnexion
US9954331B2 (en) 2013-04-16 2018-04-24 Pivot Electronics Pty Ltd Terminal and disconnection link
US10727636B2 (en) 2013-04-16 2020-07-28 Pivot Electronics Pty Ltd Terminal and disconnection link
WO2017163800A1 (fr) * 2016-03-22 2017-09-28 住友電装株式会社 Boîte de connexion électrique
JP2017175702A (ja) * 2016-03-22 2017-09-28 住友電装株式会社 電気接続箱

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