JP7160708B2 - Clip connection structure, electric connection box, and wire harness - Google Patents

Description

TECHNICAL FIELD The present invention relates to a connection structure for a clip portion of a booster cable. The present invention also relates to an electric connection box and a wire harness having a clip connection structure.

In FIG. 12, an electric connection box 101 mounted on a vehicle is arranged at a predetermined position of a wire harness. The electrical junction box 101 is composed of an electrical junction box body 102, an upper cover 103 covering an upper opening of the electrical junction box body 102, and a lower cover 104 covering a lower opening of the electrical junction box body 102. (See Patent Document 1 below, for example). The electrical connection box main body 102 is configured by including a frame 105 and a plurality of electronic component blocks 106 and 107 assembled to this frame 105 . Various electronic components such as the electronic component 108 are assembled in predetermined cavities of the electronic component block 107 . A fusible link 109 is also assembled to the electronic component block 107 . The fusible link 109 is attached to the frame 105 via the holding member 110 .

12 and 13, the fusible link 109 comprises a fuse circuit body 111 and a housing 112 integrated with the fuse circuit body 111. As shown in FIG. The fuse circuit body 111 includes a bus bar portion, a plurality of output terminals 113, a fusible body disposed and formed between the bus bar portion and the output terminals 113, and a strip-shaped power supply input terminal 114 continuous with the bus bar portion. have. The housing 112 comprises a housing body 115 and a transparent case 116 integrated with the housing body 115 . A housing shoulder 117 is formed on the side of the housing body 115 so as to protrude from the side and expose the power input terminal 114 . Reference numeral 118 denotes a power supply side wire, 119 a bolt, 120 a load side wire, 121 a stud bolt, and 122 a nut. The holding member 110 includes a holding member main body 123, a nut holding portion 124, a nut embedded in the nut holding portion 124, and a terminal connection portion 125 assembled to the nut holding portion 124 so as to contact the nut. be done.

By the way, when the battery is dead, it is common to connect a booster cable to the battery, but it is also effective to connect the booster cable to the rescue terminal of the electrical junction box as disclosed in Patent Document 2 below. (not shown). In Patent Literature 2 listed below, a relief terminal is provided in an electronic component block. The electronic component block provided with the relief terminal is separate from the electronic component block to which the fusible link is assembled. The relief terminal is formed in a portion that largely protrudes upward from the upper opening of the electrical junction box body.

JP 2016-226139 A JP 2016-25706 A

In Patent Document 2, it is necessary to secure a dedicated space for the relief terminal in an electronic component block separate from the electronic component block in which the fusible link is assembled. In addition, it is necessary to secure a dedicated space for the relief terminal above the electrical connection box body. Therefore, if the structure of Patent Document 2, which allows connection of the booster cable, is adopted, there is a problem that the size of the electric connection box is increased.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a clip portion connection structure capable of saving space, and an electric connection box and a wire harness having this connection structure. .

In order to solve the above-mentioned problems, the clip connection structure of the present invention includes a fuse circuit body formed by processing a conductive metal plate, and an insulating fuse circuit body integrated with the fuse circuit body. It comprises a housing and a conductive relief terminal to which a clip portion of a booster cable is connected, and the fuse circuit body is arranged and formed between the busbar portion, the output terminal, and the busbar portion and the output terminal. and a band plate-shaped power input terminal continuous with the bus bar portion, and the housing includes a housing main body and a housing projecting from a side portion of the housing main body to expose the power input terminal. a shoulder portion, wherein the rescue terminal includes a first connection portion that serves as the connection destination and is arranged at the position of the housing shoulder portion; and a second connection portion that is arranged at the position of the power input terminal; A step receiving portion connecting the first connection portion and the second connection portion and receiving a step portion formed in the housing shoulder portion and the power input terminal is provided.

According to the present invention having such a feature of claim 1, the connection destination of the clip portion of the booster cable, i.e., the first portion of the relief terminal, is positioned at the shoulder portion of the housing as the portion for exposing the power input terminal of the fuse circuit. By arranging the connecting portions, it is possible to integrate the relief terminals, which were separated from each other in the conventional example, and as a result, it is possible to save space. Further, according to the present invention, since the housing shoulder portion is a portion that protrudes from the side portion of the housing body, the first connection portion of the relief terminal does not protrude greatly upward from the housing body. Space saving can be achieved about a relief terminal compared with a conventional example. The present invention can contribute to the prevention of an increase in the size of an electric junction box by adopting it for an electric junction box.

The present invention according to claim 2 is the clip portion connection structure according to claim 1, further comprising a nut and an insulating nut holding portion for fixing the power supply side electric wire connected to the power input terminal, The nut holding portion includes a holding portion main body for holding the nut, and a pinched portion that is continuously formed with the holding portion main body and arranged at a position opposite to the first connecting portion on the housing shoulder portion. characterized by having

According to the present invention having such a feature of claim 2, the first connecting portion of the relief terminal is arranged on one side of the housing shoulder portion, and the pinched portion of the nut holding portion is arranged on the other side of the housing shoulder portion. Therefore, when the clip portion of the booster cable is connected, the clip portion comes into direct contact with the first connection portion and the clamped portion, and as a result, damage to the housing shoulder caused by the connection of the clip portion is prevented. can do.

According to a third aspect of the present invention, in the clip portion connecting structure according to the second aspect, the clamped portion has a hooking portion for the clip portion.

According to the present invention having such a feature of claim 3, since the portion to be clamped has a hook portion, the clip portion can be caught even if a pulling force is applied to the booster cable, for example. It is possible to prevent the clip portion from coming off.

According to a fourth aspect of the present invention, in the clip portion connection structure according to the second or third aspect, the clamped portion is a terminal contact that straddles the side portion of the housing shoulder portion and contacts the first connection portion. It is characterized by having a contact portion.

According to the present invention having the feature of claim 4, when the clip portion of the booster cable is connected, the force from the clip portion can be dispersed to the terminal contact portion, and as a result, the clip portion The clamping force (compressive force) on the housing shoulder can be reduced to prevent damage.

The present invention according to claim 5 is the clip portion connection structure according to claim 1, 2, 3, or 4, wherein a cover that covers an arrangement portion of the first connection portion; It is characterized by further comprising a cover opening/closing mechanism that can be freely opened and closed.

According to the fifth aspect of the present invention, since the cover and the cover opening/closing mechanism are provided, the connecting portion can be protected by the cover when the clip portion of the booster cable is not connected. can.

Further, the electric connection box of the present invention as set forth in claim 6, which has been made to solve the above problems, comprises a fuse circuit body formed by processing a conductive metal plate, and an insulating body integrated with the fuse circuit body. a fusible link having a flexible housing; and an electric connection box body having a conductive relief terminal to which a clip portion of a booster cable is connected and to which the fusible link is assembled, wherein the fuse circuit body comprises: The housing includes a busbar portion, an output terminal, and a fusible body disposed between the busbar portion and the output terminal, and a strip-shaped power supply input terminal continuous with the busbar portion. , a housing body and a housing shoulder projecting from the side of the housing body and exposing the power supply input terminal, wherein the relief terminal serves as the connection destination and is arranged at the position of the housing shoulder. a first connection portion, a second connection portion arranged at the position of the power input terminal, and a step portion connecting the first connection portion and the second connection portion and formed at the housing shoulder portion and the power input terminal. It is characterized by having a step receiving portion for receiving.

According to the present invention having such a feature of claim 6, since the clip section connection structure of claim 1 is provided, it is possible to save the space of the electric connection box. Moreover, it can contribute to prevention of an increase in the size of the electric connection box. In addition, according to the present invention, the step receiving portion of the relief terminal can be used as a receiving portion (contact portion, stopper) when assembling the fusible link. can contribute.

A wire harness according to claim 7 of the present invention, which has been made to solve the above problems, is characterized in that the electric junction box according to claim 6 is provided at a terminal of the wire harness, and is wired in an automobile.

According to the present invention having such a feature of claim 7, since the electric junction box that can obtain the effect of the above-described clip portion connection structure is provided, a better wire harness can be provided.

According to the clip portion connection structure of the present invention, there is an effect that it is possible to achieve space saving as compared with the conventional example. Further, according to the electric connection box and the wire harness of the present invention, since they have the clip portion connection structure having the above-mentioned effect, it is possible to provide a better product.

1 is a perspective view showing an embodiment of a clip portion connection structure of the present invention; FIG. It is a perspective view which shows the state which looked at the clip part connection structure of FIG. 1 from the back side. FIG. 2 is a perspective view showing a state in which a cover is closed with respect to FIG. 1; FIG. 2 is an exploded perspective view of the clip portion connection structure of FIG. 1; FIG. 2 is an exploded perspective view showing a state in which the clip portion connection structure of FIG. 1 is viewed from the rear side; 4 is a plan view of the fuse circuit body; FIG. It is a figure of a relief terminal, (a) is a perspective view which shows the state seen from the front side, (b) is a perspective view which shows the state seen from the back side. FIG. 10 is a view of the nut holding part, (a) is a perspective view showing the state seen from the front side, (b) is a perspective view showing the state of the holding part body seen from the front side, and (c) is a view from the rear side 1 is a perspective view showing a folded state; FIG. It is a figure which concerns on assembly|attachment of a fusible link, (a) is a perspective view, (b) is a perspective view which shows the state assembled|attached to the nut holding|maintenance part. It is a figure which concerns on assembly|attachment of a fusible link, and is a perspective view which shows the state assembled|attached to a relief terminal and a nut holding|maintenance part. 11A and 11B are a cross-sectional view and an enlarged view showing a main part of FIG. 10; FIG. 10 is an exploded perspective view of a conventional electrical junction box; It is a figure which concerns on the fusible link of a conventional example, (a) is a perspective view, (b) is a perspective view which shows the state just before assembling|attaching to a holding member.

The electrical junction box is configured with a fusible link and an electrical junction box body. A fusible link has a fuse circuit body formed by processing a conductive metal plate and an insulating housing integrated with the fuse circuit body. The electrical connection box body has a conductive relief terminal to which the clip portion of the booster cable is connected, and is assembled with a fusible link. The fuse circuit body has a busbar portion, an output terminal, and a fusible body disposed between the busbar portion and the output terminal. In addition, the fuse circuit body has a strip-shaped power input terminal that is continuous with the busbar portion. The housing has a housing body and a housing shoulder projecting from the side of the housing body to expose the power input terminal. The relief terminal includes a first connection portion arranged at the position of the housing shoulder, a second connection portion arranged at the position of the power supply input terminal, and connecting the first connection portion and the second connection portion and connecting the housing shoulder portion. and a step-receiving portion for receiving a stepped portion generated in the power supply input terminal.

An embodiment will be described below with reference to the drawings. FIG. 1 is a perspective view showing one embodiment of the clip portion connection structure of the present invention. 2 is a perspective view showing the clip connection structure viewed from the rear side, FIG. 3 is a perspective view showing the cover closed, FIG. 4 is an exploded perspective view of the clip connection structure, and FIG. FIG. 4 is an exploded perspective view showing a state in which the section connection structure is viewed from the rear side; 6 is a plan view of the fuse circuit, FIG. 7 is a diagram of the relief terminal, FIG. 8 is a diagram of the nut holding portion, FIGS. 3A and 3B are a cross-sectional view and an enlarged view showing a main part; FIG.

<Regarding clip connection structure 1>
In FIG. 1, reference numeral 1 indicates a structure adopted for connecting the clip portion of the booster cable, that is, a clip portion connecting structure. A clip portion connection structure 1 is provided in an electric connection box 2 mounted on an automobile. The electrical connection box 2 is arranged at a predetermined position of a wire harness (not shown) that is routed to the automobile. Note that the booster cable and clip portion are basically the same as reference numerals 200 and 210 in Patent Document 2. Also, the configuration of the electric connection box 2 is basically the same as that of the conventional example shown in FIG. The clip portion connection structure 1 is a structural portion related to the connection of the clip portion, and is provided so as to straddle the fusible link 3 and the electronic component block 4 to which the fusible link 3 is attached.

<About fusible link 3>
1 to 5, the fusible link 3 includes a fuse circuit body 5, a housing 6 integrated with the fuse circuit body 5, a plurality of stud bolts (not shown), and a plurality of stud bolts (not shown) attached to the stud bolts. and a nut. Stud bolts and nuts (not shown) are basically the same as reference numerals 121 and 122 shown in FIG. The fusible link 3 is a so-called fuse component that functions between a power source such as a battery or a generator and multiple types of loads mounted on the vehicle. The fusible link 3 has a pair of terminal block portions 7 for power supply and terminal block portions 8 for multiple types of loads. In this embodiment, the clip portion connection structure 1 is arranged in accordance with the position of one terminal block portion 7 .

<Regarding the fuse circuit body 5>
1 to 6, the fuse circuit body 5 is formed by pressing a flat conductive metal plate. In addition, the shape shown in FIG. 6 shall be an example. The fuse circuit body 5 has a busbar portion 9, a plurality of output terminals 10, a plurality of fusible bodies 11, and a pair of power supply input terminals 12, and is formed in the illustrated shape. Assuming that the arrow P in FIG. 6 is defined as the vertical direction and the arrow Q is defined as the horizontal direction, the busbar portion 9 is formed in a substantially strip shape extending in the horizontal direction. The busbar portion 9 is formed as a portion on the power input side. The busbar portion 9 is formed so as to extend in the horizontal direction according to the plurality of output terminals 10 . The plurality of output terminals 10 are formed in a relatively short strip shape extending in the vertical direction. The plurality of output terminals 10 are formed as connecting portions to load-side wires (not shown) (which are basically the same as reference numerals 120 in FIG. 13). A circular through hole 13 is formed in each of the plurality of output terminals 10 . The through hole 13 is formed so that the shaft portion of the stud bolt (not shown) passes therethrough. A plurality of output terminals 10 are used as a portion constituting the terminal block portion 8 .

A plurality of fusible bodies 11 are arranged and formed between the busbar portion 9 and the plurality of output terminals 10 . In other words, the plurality of fusible bodies 11 are formed in portions that connect the busbar portion 9 and the plurality of output terminals 10 . The plurality of fusible bodies 11 are formed in substantially linear portions having a width sufficiently narrower than that of the plurality of output terminals 10 (this is an example. For example, the shape may be N-shaped in the middle). may be used). The plurality of fusible elements 11 are formed in a portion that can be fused and cut to electrically insulate the busbar portion 9 and the output terminal 10 when a current exceeding a predetermined current value flows. The plurality of fusible bodies 11 are formed so as to be able to supply power from the power supply to the load when current below a predetermined current value is flowing.

A pair of power supply input terminals 12 are formed so as to be continuous with both left and right end portions of the bus bar portion 9 . The pair of power supply input terminals 12 are formed in a band plate shape extending straight downward from a continuous portion with the busbar portion 9 . A pair of power input terminals 12 are formed as input portions for a power source. A circular through-hole 14 is formed in each of the pair of power supply input terminals 12 . This through hole 14 is used for connection with a power supply side electric wire (which is basically the same as reference numeral 118 in FIG. 13) not shown. The pair of power supply input terminals 12 are used as parts constituting the pair of terminal block parts 7 . A pair of power supply input terminals 12 are formed at portions exposed from a pair of housing shoulder portions 19 of the housing 6, which will be described later, for electrical connection.

<Regarding the housing 6>
1 to 5, the housing 6 is a resin-molded portion having insulating properties, and is integrally formed with the fuse circuit body 5 (the fuse circuit body 5 is insert-molded when the housing 6 is resin-molded). From the outside, it looks as if the housing 6 is integrated with the fuse circuit body 5). The housing 6 comprises a housing body 15 having a pair of housing shoulder portions 19, which will be described later, and a transparent case 16 attached to the housing body 15, for example, later. The housing body 15 protrudes from the upper body 17 corresponding to the busbar portion 9 and the plurality of fusible elements 11 of the fuse circuit body 5, the lower body 18 corresponding to the plurality of output terminals 10, and both left and right sides of the upper body 17. It is formed in the shape shown with a pair of housing shoulders 19 formed as such. A plurality of windows 20 are formed in the main body upper portion 17 so that the plurality of fusible bodies 11 can be seen. Also, a cover engaging portion 21 for the transparent case 16 is formed on the upper portion 17 of the main body. On the other hand, a plurality of partition walls 22 for insulating the plurality of output terminals 10 are formed in the main body lower portion 18 .

The pair of housing shoulder portions 19 are each formed in a substantially rectangular parallelepiped shape. Also, the pair of housing shoulder portions 19 are formed in the same shape. The front surface of the housing shoulder portion 19 is formed in a planar shape facing the rear surface of the relief terminal 27 described later (with the rear surface of the first connection portion 36 described later in surface contact). The rear surface of the housing shoulder portion 19 is also formed in a planar shape, and a hook portion 23 for the clip portion is formed at a corner portion which is a boundary between the rear surface and the upper surface. The hook portion 23 is formed in the shape of a rib extending in the left-right direction so as to restrict upward movement of the clip portion. A side surface of the housing shoulder portion 19 is formed in a planar shape. In addition, the lower surface of the housing shoulder 19 is formed in such a manner that the power input terminal 12 extends downward. The power input terminal 12 extending from the lower surface of the housing shoulder 19 is arranged substantially parallel to the front surface of the housing shoulder 19 . Here, the step formed by the power input terminal 12 and the front surface of the housing shoulder portion 19 is called a stepped portion 24 . This stepped portion 24 abuts on a stepped portion receiving portion 38 of a relief terminal 27 to be described later, and is a portion that is received by the stepped portion receiving portion 38 .

The transparent case 16 is a transparent resin molded product for allowing the fusible body 11 of the fuse circuit body 5 to be seen from the outside through the window 20 of the housing body 15. It is formed in the shape shown to engage with. The transparent case 16 may also be called a transparent cover.

<Regarding the electronic component block 4>
1 to 5, the electronic component block 4 is to which the fusible link 3 is attached as described above, and constitutes the main body of the electrical connection box 2 (electrical connection box main body). The electronic component block 4 has a frame-like body portion, which is formed basically in the same manner as reference numeral 107 shown in FIG. The electronic component block 4 includes the main body portion, a nut 25 and a nut holding portion 26, a relief terminal 27, a cover 28 and a cover opening/closing mechanism 29. As shown in FIG. The nut 25 is provided for fixing a power supply side wire (not shown) connected to the power supply input terminal 12 of the fusible link 3 . A nut holding portion 26 is provided on the main body portion. The nut holding portion 26 is a resin-molded portion having insulating properties, and as shown in FIG. , a holding portion body 30 and a terminal abutting portion 32 continuously connected to the clamped portion 31, and formed into the illustrated shape. A pair of ribs 33 for supporting the relief terminal 27 is formed on the holding portion main body 30 . The pair of ribs 33 are formed to extend vertically. The space between the pair of ribs 33 is formed in the portion where the power input terminal 12 extending from the lower surface of the housing shoulder portion 19 is arranged.

4, 5, and 8, the pinched portion 31 is formed in a plate-like portion that protrudes upward from the upper end of the holding portion main body 30. As shown in FIG. The front surface of the clamped portion 31 is formed in a planar shape facing (surface-contacting) the rear surface of the housing shoulder portion 19 . The pinched portion 31 is formed at a portion that increases the strength of the housing shoulder portion 19 . Also, the pinched portion 31 is formed in a portion for preventing the clip portion from directly contacting. A reference numeral 34 formed between the pinched portion 31 and the holding portion main body 30 indicates a step receiving portion for the housing shoulder portion 19 . The clamped portion 31 is arranged on the opposite side of the relief terminal 27 to the first connection portion 36 described later. The terminal contact portion 32 is formed in a portion that straddles the side portion of the housing shoulder portion 19 and contacts the first connection portion 36 . The front end of the terminal contact portion 32 is formed in a portion that makes surface contact with the rear surface of the first connection portion 36 . The terminal abutting portion 32 is formed in a portion that can support when a rearward force is applied to the first connecting portion 36 .

<Regarding the rescue terminal 27>
1 to 5, the relief terminal 27 has a terminal attachment portion 35 attached to the main body portion of the electronic component block 4, which is a portion to be electrically connected to the clip portion. The relief terminal 27 is formed by pressing a conductive metal plate. Referring also to FIG. 7, the relief terminal 27 is formed in a belt plate shape that is substantially crank-shaped when viewed from the side and bent twice at the middle. The relief terminal 27 has a main body portion having a first connection portion 36, a second connection portion 37, and a step receiving portion 38, and is formed in the illustrated shape. The body portion of the relief terminal 27 is formed to match the width dimension of the nut holding portion 26 in the left-right direction and the length dimension of the power supply input terminal 12 in the up-down direction. The first connection portion 36 is a connection destination of the clip portion and is arranged on the front surface of the housing shoulder portion 19 . The first connection portion 36 is formed in a portion that does not protrude upward from the housing shoulder portion 19 when the fusible link 3 is assembled to the electronic component block 4 . The second connection portion 37 is arranged at the position of the power input terminal 12 . The second connection portion 37 is connected to the end portion of the terminal assembly portion 35 . A circular through hole 39 is formed in the second connection portion 37 . The through hole 39 is formed so as to match the position of the through hole 14 of the power input terminal 12 and the nut 25 held by the nut holding portion 26 when the fusible link 3 is assembled to the electronic component block 4 . . The step receiving portion 38 is formed at a portion connecting the first connection portion 36 and the second connection portion 37 . The stepped portion 38 is formed at a portion that receives the stepped portion 24 formed on the housing shoulder portion 19 and the power input terminal 12 . The step receiving portion 38 is formed in a so-called stepped portion. The step receiving portion 38 is formed as a stopper portion for the housing shoulder portion 19 together with the step receiving portion 34 of the nut holding portion 26 . The step receiving portion 38 is formed at a useful portion when the fusible link 3 is assembled to the electronic component block 4 .

<Regarding Cover 28 and Cover Opening/Closing Mechanism 29>
In FIGS. 1 to 5, the cover 28 is a molded resin product having insulating properties, and is an arrangement portion of the first connection portion 36 of the rescue terminal 27 (specifically, the first connection portion 36, the housing shoulder portion 19, and the housing shoulder portion 19). , and a portion where the clamped portion 31 is located). A locking portion 40 and a pair of rotating shafts 41 are formed in the cover 28 . The locking portion 40 is formed in a claw-like portion that is caught by the terminal contact portion 32 and locked when the cover 28 is closed. The pair of rotating shafts 41 are parts for opening and closing the cover 28 itself, and are assembled to the cover opening/closing mechanism 29 . The cover opening/closing mechanism 29 has a U-shaped frame portion 42 , a pair of pillars 43 , and a shaft support 44 formed at each end of the pair of pillars 43 , and is formed in the illustrated shape. The cover opening/closing mechanism 29 is assembled to the body portion of the electronic component block 4 .

<Assembly of the fusible link 3, etc.>
When the fusible link 3 shown in FIG. 9(a) is assembled to the body portion of the electronic component block 4, the housing shoulder portion 19 and the lower surface of the housing shoulder portion 19 extend from the nut 25 and the nut holding portion 26. The power input terminal 12 is assembled as shown in FIG. 9(b). In addition, when the relief terminal 27 is included, the assembled state is as shown in FIG. Incidentally, in the case of a type that does not require the relief terminal 27, it is a matter of course that the assembled state is as shown in FIG. 9(b). Further, when the cover 28 and the cover opening/closing mechanism 29 are included, the assembled state is as shown in FIG.

In FIG. 11 , when a power supply side wire not shown (basically the same as reference numeral 118 in FIG. 13 ) is electrically connected, the second of the relief terminal 27 is placed between this power supply side wire and the power supply input terminal 12 . The connecting portion 37 becomes interposed, thereby completing the connection. By the way, if the battery is dead, a booster cable (not shown) is used, and the clip portion of the booster cable is sandwiched between the first connection portion 36 of the relief terminal 27 and the pinched portion 31 of the nut holding portion 26. Electrical connection is completed by assembling in this state. That is, the dead battery is eliminated. Even if a pulling force is applied to the booster cable, the clip portion will not come off because the clip portion is caught by the hook portion 23 of the housing shoulder portion 19 (in this embodiment, the clip portion has the same function as the hook portion 23). The hook portion 45 is also formed on the clamped portion 31).

<About the effect of clip part connection structure 1>
As described above with reference to FIGS. 1 to 11, according to the clip portion connection structure 1 of one embodiment of the present invention, the housing as a portion for exposing the power input terminal 12 of the fuse circuit body 5 Since the connection destination of the clip portion of the booster cable, that is, the first connection portion 36 of the relief terminal 27 is arranged at the position of the shoulder portion 19, the relief terminals, which were separated in the conventional example, are integrated. can do. Therefore, there is an effect that the space can be saved as compared with the conventional example. Further, according to the clip portion connection structure 1 , since the housing shoulder portion 19 is a portion that protrudes from the side portion of the housing body 15 , the first connection portion 36 of the relief terminal 27 is large above the housing body 15 . As a result, the relief terminal 27 does not become a protruding portion, and as a result, it is possible to save space as compared with the conventional example. In addition, according to the electric connection box 2 and the wire harness (not shown), since it has the clip portion connection structure 1 having the above effect, it is possible to provide a better product.

It goes without saying that the present invention can be variously modified within the scope of the present invention.

DESCRIPTION OF SYMBOLS 1... Clip part connection structure 2... Electric connection box 3... Fusible link 4... Electronic part block 5... Fuse circuit body 6... Housing 7, 8... Terminal block part 9... Bus bar part 10... Output terminal 11 Fusible body 12 Power supply input terminal 13, 14 Through hole 15 Housing body 16 Transparent case 17 Upper body 18 Lower body 19 Shoulder of housing 20 Window Part 21 Cover engaging part 22 Partition wall 23 Hook part 24 Stepped part 25 Nut 26 Nut holding part 27 Relief terminal 28 Cover 29 Cover opening/closing mechanism 30 Holding portion main body 31 Clamped portion 32 Terminal contact portion 33 Rib 34 Step receiving portion 35 Terminal mounting portion 36 First connection portion 37 Second connection portion 38 Step Receiving portion 39 Through hole 40 Locking portion 41 Rotating shaft 42 Frame 43 Column 44 Pivot 45 Hook

Claims (7)

A fuse circuit body formed by processing a conductive metal plate, an insulating housing integrated with the fuse circuit body, and a conductive relief terminal to be connected to a clip portion of a booster cable,
The fuse circuit body has a busbar portion, an output terminal, and a fusible body disposed between the busbar portion and the output terminal, and has a strip-shaped power input terminal continuous with the busbar portion. have
The housing has a housing body and a housing shoulder that protrudes from the side of the housing body and exposes the power input terminal,
The rescue terminal includes a first connection portion that serves as the connection destination and is arranged at the position of the housing shoulder portion, a second connection portion that is arranged at the position of the power supply input terminal, the first connection portion and the A clip portion connection structure, comprising: a stepped portion that connects the second connection portion and receives a stepped portion formed on the housing shoulder portion and the power supply input terminal. In the clip part connection structure according to claim 1,
Further comprising a nut and an insulating nut holding portion for fixing the power supply side electric wire connected to the power input terminal,
The nut holding portion includes a holding portion main body for holding the nut, and a pinched portion that is continuously formed with the holding portion main body and arranged at a position opposite to the first connecting portion on the housing shoulder portion. A clip portion connection structure, comprising: In the clip portion connection structure according to claim 2,
The clip portion connection structure, wherein the clamped portion has a hook portion for the clip portion. In the clip part connection structure according to claim 2 or 3,
The clip portion connection structure, wherein the clamped portion has a terminal contact portion that straddles the side portion of the housing shoulder portion and contacts the first connection portion. In the clip part connection structure according to claim 1, 2, 3 or 4,
The clip portion connection structure, further comprising: a cover that covers an arrangement portion of the first connection portion; and a cover opening/closing mechanism that allows the cover to be opened and closed with respect to the arrangement portion. A fuse circuit body formed by processing a conductive metal plate, and a fusible link having an insulating housing integrated with the fuse circuit body;
an electric junction box body having a conductive relief terminal to which the clip portion of the booster cable is connected, and to which the fusible link is assembled;
The fuse circuit body has a busbar portion, an output terminal, and a fusible body disposed between the busbar portion and the output terminal, and has a strip-shaped power input terminal continuous with the busbar portion. have
The housing has a housing body and a housing shoulder that protrudes from the side of the housing body and exposes the power input terminal,
The rescue terminal includes a first connection portion that serves as the connection destination and is arranged at the position of the housing shoulder portion, a second connection portion that is arranged at the position of the power supply input terminal, the first connection portion and the An electrical connection box, comprising: a step receiving portion that connects the second connection portion and receives a step portion that is formed on the housing shoulder portion and the power input terminal. A wire harness comprising the electric connection box according to claim 6 at a terminal thereof and routed in an automobile.

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