JP5218882B2 - Cable branch case - Google Patents

Description

  The present invention relates to a cable branch case.

  Conventionally, the core portion from which the covering portion of the middle portion of the electric wire is peeled is cut and divided and fixed to the terminal block fixed to the branch box, the electric wire for branching is fixed to the terminal block, and the power is branched. 2. Description of the Related Art A wiring branch device in which a branch portion is covered with a branch box is known.

JP 2000-333356 A

  By the way, in the case of a vehicle having a power cable connecting an in-vehicle battery and a starter, in order to take out the power of an electric device such as a bodywork from an intermediate portion of the power cable, the above-described conventional configuration is supported on the vehicle body side. The branch box is subject to vibration from the engine. As a result, an external force is applied to the divided core wire portions inside the branch box, and the core wire portion may be disconnected or short-circuited inside the branch box.

  Therefore, an object of the present invention is to provide a cable branch case that can branch the power supplied from the on-vehicle battery even in a place where it is easily subjected to external force.

In order to achieve the above object, the cable branch case according to the first aspect of the present invention includes a core wire portion and a covering portion covering the outer periphery of the core wire portion, and the intermediate portion of the power cable connected to the vehicle battery is disposed on the vehicle body side. A cable branch case for branching the power supplied from the in-vehicle battery at an intermediate portion, an insulating base body, an insulating cover body, a stat bolt, and first and second power cables An insertion opening and a branch cable insertion opening are provided. The insulating base body is supported on the vehicle body side. The insulating cover body is attached to the base body and defines a housing space between the base body and the insulating cover body. The stat bolt is fixed to the base body and protrudes into the accommodating space, and is fixed to an intermediate portion of the power cable, and the power connection terminal that is energized with the core wire portion is fastened and fixed. The first and second power cable insertion openings communicate the housing space with the outside, and respectively insert both sides of the power connection terminal of the power cable. The branch cable insertion opening communicates the accommodation space with the outside, and is inserted into the branch cable that is fastened and fixed to the stat bolt and energized with the power cable. The base body and the cover body, having each a projection portion at two locations of the projections and the cover side of the two positions of the base body side with a semi-cylindrical shape. The projection of the two positions and two positions of the protruding portions of the cover side of the base body side, respectively presses the cover portion on both sides of the power supply connection terminals of the power cable in a state of attaching the cover member to the base member extending in a predetermined direction And support. The two positions of the protruding portions of the protrusions of the two locations and the cover member side of the base body side, respectively facing the cover body being attached to the base body. One of the base body and the cover body has two pairs of locking claws formed on both sides sandwiching each of the two protrusions on the one side from the direction crossing the predetermined direction. The other of the base body and the cover body has two pairs of locking portions formed on both sides sandwiching each of the two protruding portions on the other side from the direction crossing the predetermined direction. The two pairs of locking portions engage with each of the two pairs of locking claws with the cover body attached to the base body.

In the above configuration, the power connection terminal fixed to the middle portion of the power cable connected to the in-vehicle battery and energized with the core wire portion is fastened and fixed to the stat bolt fixed to the base body of the cable branch case and protruding into the accommodation space. The That is, the middle portion of the power cable is firmly fixed to the cable branch case via the power connection terminal, and the movement of the power cable in the cable branch case accommodation space is reliably prevented. For this reason, it is possible to reduce the possibility that the power cable in the housing space of the cable branch case is disconnected or short-circuited due to the vibration of the engine. Further, the power supplied from the in-vehicle battery is branched by fastening and fixing the branch cable to the stat bolt of the cable branch case supported on the vehicle body side. Therefore, the power supplied from the in-vehicle battery can be branched even in a place where vibration is received from the engine. Furthermore, since the power supplied from the in-vehicle battery can be branched only by fastening and fixing the branch cable to the stat bolt, the workability is good. Moreover, since the fixing of the power cable to the cable branch case and the branching of the power supplied from the vehicle-mounted battery can be performed by a stat bolt, the structure can be simplified.
Further, since the plurality of protrusions press and support the covering portions on both sides of the power connection terminal, it is possible to make it difficult for vibration of the engine to be transmitted to the power cable in the housing space of the cable branch case. Accordingly, it is possible to prevent the possibility of disconnection of the power cable in the housing space of the cable branch case and loosening of the power connection terminal.

  The cover body includes a first case that is attached to the base body and covers an intermediate portion of the power cable in a state where the power connection terminal is fastened and fixed to the stat bolt, and a second case that is attached to the base body and covers the stat bolt. And a case.

  In the above configuration, the cover body includes a first case that covers an intermediate portion of the power cable and a second case that covers the stat bolt. Therefore, when removing the cover body in order to fasten the branch cable to the stat bolt, it is only necessary to remove the second case with the first case attached, the exposure range of the energized portion can be reduced, and there is a possibility of short-circuiting. Can be reduced.

The cable branch case of the second aspect of the present invention has a core wire portion and a covering portion covering the outer periphery of the core wire portion, and supports an intermediate portion of a power cable connected to the vehicle battery on the vehicle body side. A cable branch case for branching power supplied from an intermediate part, comprising an insulating base body, an insulating cover body, a stat bolt, first and second power cable insertion openings, and a branch cable An insertion opening part and a hinge part are provided. The insulating base body is supported on the vehicle body side. The insulating cover body has a first case and a second case, is attached to the base body, and defines an accommodation space between the base body. The stat bolt is fixed to the base body and protrudes into the accommodating space, and is fixed to an intermediate portion of the power cable, and the power connection terminal that is energized with the core wire portion is fastened and fixed. The first and second power cable insertion openings communicate the housing space with the outside, and respectively insert both sides of the power connection terminal of the power cable. The branch cable insertion opening communicates the accommodation space with the outside, and is inserted into the branch cable that is fastened and fixed to the stat bolt and energized with the power cable. The first case is attached to the base body and covers an intermediate portion of the power cable in a state where the power connection terminal is fastened and fixed to the stat bolt. The second case is attached to the base body and covers the stat bolt. The hinge portion connects one of the base body and the first case to the second case. The second case opens and closes the accommodation space by rotating around the hinge portion with the cover body attached to the base body. One of the base body and the first case, and the second case include an engaging portion and an engaged portion that are engaged with each other in a state where the second case opens the accommodation space to temporarily hold the second case. Have each.

  In the above configuration, the second case is connected to one of the base body and the first case via the hinge portion, and rotates around the hinge portion to open and close the accommodation space. Since the second case can be easily moved to the attachment position of the base body by the rotation of the hinge portion, the assembling work when the second case is attached to the base body becomes easy. In addition, the one of the base body and the first case and the second case are engaged with an engaging portion that temporarily holds the second case by engaging the second case with the accommodation space open. Each part. Therefore, since the second case can be temporarily held when the accommodation space is opened, workability when fastening the branch cable to the stat bolt is improved.

A third aspect of the present invention, there is provided a cable branch case according to the first or second aspect, the base body, Ru is supported swingably to a bracket fixed to the vehicle body.

  In the above configuration, since the base body is swingably supported by the bracket fixed to the vehicle body side, the vibration of the engine transmitted to the power cables in the first and second power cable insertion openings of the cable branch case can be reduced. The possibility that the power cable is disconnected can be reduced.

  According to the cable branch case of the present invention, the power supplied from the in-vehicle battery can be branched even in a place where external force is easily received.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 is a schematic perspective view of a cable branch case according to the present embodiment, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, FIG. 3 is a schematic view with a cover body of the cable branch case removed, and FIG. FIG. 5 is a schematic view showing a base body, FIG. 6 is a schematic view showing a cover body, FIG. 7 is a side view showing the base body, and FIG. 8 is a side view showing the cover body. is there.

  As shown in FIGS. 1-8, the bracket 10 is provided in the cable bracket 2 attached to the cross member 1 of the vehicle body.

  The bracket 10 has a substantially rectangular plate shape, a joint portion 11 that joins the cable bracket 2, a support portion 12 that extends substantially vertically from one end of the joint portion 11, a support hole 13 that is formed in the support portion 12, It is comprised from the junction part 11 and the flange part 14 extended perpendicularly | vertically from the side end of the support part 12. As shown in FIG.

  A cable branch case 30 is attached to the support hole 13 of the bracket 10. The cable branch case 30 is made of an insulating member and has a base body 40 and a cover body 50.

  The base body 40 includes a first base 41 on which the power cable 20 can be placed and a second base 42 on which the branch cable 25 can be placed. The first base 41 is formed with projections 43 having a semi-cylindrical shape at one end side and the other end side in the longitudinal direction, and a plurality of first locking portions 44 are provided at both end sides in the lateral direction across the projection parts 43. Is formed. In the second base 42, a conductive stat bolt 45 is embedded substantially at the center, and a plurality of second locking portions 46 are formed on one end side in the lateral direction. A support claw 47 is formed on one end side of the first base 41 in the short direction, and the cable claw case 30 is swingably supported by the bracket 10 by engaging the support claw 47 with the support hole 13 of the bracket 10. Is done.

  The cover body 50 includes a first case 51 attached to the first base 41 and a second case 52 attached to the second base 42. The first case 51 has a semi-cylindrical projection 54 formed at one end and the other end in the longitudinal direction, and a plurality of first locking claws 55 are provided at both ends in the short direction across the projection 54. Is formed. The second case 52 has a plurality of second locking claws 56 formed on one end side in the short direction. The 1st case 51 and the 2nd case 52 are connected by the hinge part 53 comprised from a rotating shaft and a shaft hole.

  In the cover body 50, the first locking portion 44 and the second locking portion 46 are connected to the first locking claw 55 and the second locking member in a state where the protruding portion 43 of the base body 40 and the protruding portion 54 of the cover body 50 face each other. It is attached to the base body 40 by engaging with the pawl 56. A housing space 31 is defined between the cover body 50 and the base body 40, and the first power cable insertion opening 32 is provided at one end side and the other end side in the longitudinal direction of the first base 41 and the first case 51. And the second power cable insertion opening 33 is formed, and the first branch cable insertion opening 34 and the second branch cable are formed on one end side and the other end side in the longitudinal direction of the second base 42 and the second case 52. An insertion opening 35 is formed. In a state where the cover body 50 is attached to the base body 40, an engaging portion 57 and an engaged portion 58 are formed on the outer surfaces of the first case 51 and the second case 52, respectively. The second case 52 can be converted into a closed state and an open state with the accommodating space 31 centered on the hinge portion 53, and is accommodated when the engaging portion 57 and the engaged portion 58 are engaged with each other. Temporary holding is possible with the space 31 open.

  Next, a configuration in which the cable branch case 30 supports the intermediate portion 23 of the power cable 20 connected to the on-vehicle battery (not shown) and extending to the starter (not shown) near the engine (not shown) will be described.

The power cable 20 includes a core wire portion 21 and a covering portion 22 that covers the outer periphery of the core wire portion 21. The covering portion 22 of the intermediate portion 23 of the power cable 20 connecting the in-vehicle battery and the starter is peeled to expose the core wire portion 21, and the caulking portion of the power connection terminal 36 formed of a conductive plate member is formed on the core wire portion 21. Clamp 36a and fix. The intermediate portion 23 of the power cable 20 is arranged on the surface of the base body 40 where the protrusion 43 is provided, and the power connection terminal 36 is connected to the stat bolt 45. Further, the branch cable 25 connected to the electrical equipment such as the bodywork is connected to the stat bolt 45 and fixed with the nut 37. In this state, the power cable 20 is fixed to the stat bolt 45 of the base body 40 via the power connection terminal 36, the branch cable 25 is also fixed to the stat bolt 45, and the power cable 20 and the branch cable 25 are energized. When the cover body 50 is attached to the base body 40 to which the power cable 20 and the branch cable 25 are fixed, the first case 51 faces the first base 41 and covers the power cable 20, and the second case 52 is the second base. The stat bolt 45 is covered facing 42. Further, the power cable 20 is inserted through the first power cable insertion opening 32 and the second power cable insertion opening 33, and the branch cable 25 is connected to the first branch cable insertion opening 34 and the second branch cable insertion opening. The part 35 is inserted. Then, the covering portions 22 on both sides of the caulking portion 36 a of the power connection terminal 36 in the power cable 20 are pressed and supported by the protruding portions 43 of the base body 40 and the protruding portions 54 of the cover body 50. By engaging the support claws 47 of the cable branch case 30 in this state with the support holes 13 of the bracket 10, the cable branch case 30 is swingably supported by the bracket 10. When connecting the branch cable 25, the second case 52 is moved via the hinge portion 53 to open the accommodation space 31, and the engaged portion 58 of the second case 52 is moved to the first position. The second case 52 is temporarily held by engaging with the engaging portion 57 of the case 51.

  As described above, according to the present embodiment, the power connection terminal 36 that is fixed to the intermediate portion 23 of the power cable 20 connected to the in-vehicle battery and is energized with the core wire portion 21 is fixed to the base body 40 of the cable branch case 30. Then, it is fastened and fixed to a stat bolt 45 protruding into the accommodation space 31. That is, the intermediate portion 23 of the power cable 20 is firmly fixed to the cable branch case 30 via the power connection terminal 36, and the movement of the power cable 20 in the housing space 31 of the cable branch case 30 is reliably prevented. For this reason, the possibility that the power cable 20 in the housing space 31 of the cable branch case 30 is disconnected or short-circuited by the vibration of the engine can be reduced. Further, the power supplied from the in-vehicle battery is branched by fastening and fixing the branch cable 25 to the stat bolt 45 of the cable branch case 30 supported on the vehicle body side. Therefore, the power supplied from the in-vehicle battery can be branched even in a place where vibration is received from the engine. Furthermore, since the power supplied from the in-vehicle battery can be branched by simply fastening and fixing the branch cable 25 to the stat bolt 45, workability is good. Further, since the power cable 20 can be fixed to the cable branch case 30 and the power supplied from the vehicle-mounted battery can be branched by the stat bolt 45, the structure can be simplified.

  The cover body 50 includes a first case 51 that covers the intermediate portion 23 of the power cable 20 and a second case 52 that covers the stat bolt 45. Therefore, when removing the cover body 50 to fasten the branch cable 25 to the stat bolt 45, it is only necessary to remove the second case 52 while the first case 51 is attached, and the exposed range of the energized portion can be reduced. The possibility of short-circuiting can be reduced.

  Further, the second case 52 is connected to the first case 51 via a hinge portion 53 and rotates around the hinge portion 53 to open and close the accommodation space 31. Since the second case 52 can be easily moved to the attachment position of the base body 40 by the rotation of the hinge portion 53, the assembling work when attaching the second case 52 to the base body 40 becomes easy. The first case 51 and the second case 52 have an engaging portion 57 and an engaged portion 58, and the second case 52 is engaged with each other in a state where the accommodation space 31 is opened, and the first case 51 and the second case 52 are engaged. Two cases 52 are temporarily held. Therefore, since the second case 52 can be temporarily held when the accommodation space 31 is opened, workability when the branch cable 25 is fastened to the stat bolt 45 is improved.

  Further, the protrusion 43 of the base body 40 and the protrusion 54 of the cover body 50 press and support the covering portion 22 on both sides of the caulking portion 36 a of the power connection terminal 36. That is, it is possible to make it difficult for engine vibration to be transmitted to the power cable 20 in the housing space 31 of the cable branch case 30. Therefore, the possibility of disconnection of the power cable 20 in the housing space 31 of the cable branch case 30 and loosening of the power connection terminal 36 can be prevented.

Further, since the support claws 47 of the base body 40 of the cable branch case 30 engage with the support holes 13 of the bracket 10 fixed to the vehicle body side and are swingably supported, the first power source of the cable branch case 30 is supported. The vibration of the engine transmitted to the power cable 20 of the cable insertion opening 32 and the second power cable insertion opening 33 can be reduced, and the possibility that the power cable 20 is disconnected can be reduced.

  In the above embodiment, the first power cable insertion opening 32 and the second power cable insertion opening 33 are formed by the base body 40 and the cover body 50, but the base body 40 or the cover body 50 is formed. It may be formed only by any one of these.

  Further, in the above embodiment, the second case 52 and the first case 51 are connected so that the second case 52 can be temporarily held in the engaging portion 57 of the first case 51 when the accommodation space 31 is opened. The second case 52 and the base body 40 are connected to provide an engaging portion 57 on the base body 40 so that the second case 52 can be temporarily held on the engaging portion 57 of the base body 40 when the accommodation space 31 is opened. Good.

  Furthermore, in the above-described embodiment, the covering portions 22 on both sides of the caulking portion 36a of the power connection terminal 36 of the power cable 20 are pressed and supported by the protruding portion 43 of the base body 40 and the protruding portion 54 of the cover body 50. However, the protrusions 43 of the base body 40 or the protrusions 54 of the cover body 50 may be pressed and supported.

  As mentioned above, although the embodiment to which the invention made by the present inventor is applied has been described, the present invention is not limited by the discussion and the drawings that form part of the disclosure of the present invention according to this embodiment. That is, it should be added that other embodiments, examples, operation techniques, and the like made by those skilled in the art based on this embodiment are all included in the scope of the present invention.

It is a schematic perspective view of the cable branch case which concerns on this embodiment. It is AA arrow sectional drawing of FIG. It is the schematic which removed the cover body of the cable branch case. It is a schematic perspective view which shows a bracket. It is the schematic which shows a base body. It is the schematic which shows a cover body. It is a side view which shows a base body. It is a side view which shows a cover body.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Cross member, 2 ... Cable bracket, 10 ... Bracket, 11 ... Joint part, 12 ... Support part, 13 ... Support hole, 14 ... Flange part, 20 ... Power cable, 21 ... Core wire part, 22 ... Cover part, 23 ... Intermediate part, 25 ... Branch cable, 30 ... Cable branch case, 31 ... Housing space, 32 ... First power cable insertion opening, 33 ... Second power cable insertion opening, 34 ... First branch cable insertion Opening, 35 ... second branch cable insertion opening, 36 ... power supply connection terminal, 36a ... caulking portion, 37 ... nut, 40 ... base body, 41 ... first base, 42 ... second base, 43 ... projection , 44 ... first locking part, 45 ... stat bolt, 46 ... second locking part, 47 ... support claw, 50 ... cover body, 51 ... first case, 52 ... second case, 53 ... hinge part, 54 ... projection, 55 ... 1 engagement claw 56 ... second locking claw, 57 ... engaging portion, 58 ... engaged portion

Claims (4)

A cable that has a core wire portion and a covering portion that covers the outer periphery of the core wire portion, supports an intermediate portion of a power cable connected to the in-vehicle battery on the vehicle body side, and branches the power supplied from the in-vehicle battery at the intermediate portion A branch case,
An insulating base body supported on the vehicle body side;
An insulating cover body attached to the base body and defining a housing space with the base body;
A stat bolt that is fixed to the base body and protrudes into the housing space, is fixed to an intermediate portion of the power cable, and a power connection terminal that is electrically connected to the core wire portion is fastened and fixed;
First and second power cable insertion openings that communicate between the housing space and the outside, and that are respectively inserted through both sides of the power connection terminal of the power cable;
A branch cable insertion opening through which the housing space communicates with the outside, and is inserted into a branch cable that is fastened and fixed to the stat bolt and energizes the power cable;
Each of the base body and the cover body has a semi-cylindrical shape, and the covering portion is provided on both sides of the power connection terminal of the power cable extending in a predetermined direction with the cover body attached to the base body. and a has two places of the protruding portion of the cover body side and the projection of the two positions of the base body side for supporting and pressing respectively,
Wherein the two places of the protruding portion of the base member side and the protruding portions of the two positions of the cover member side, respectively opposed in a state of attaching the cover member to the base member,
One of the base body and the cover body has two pairs of locking claws formed on both sides sandwiching each of the two protrusions on the one side from a direction crossing the predetermined direction,
The other of the base body and the cover body is formed on both sides sandwiching each of the two protrusions on the other side from the direction crossing the predetermined direction, and the cover body is attached to the base body. 2. A cable branch case having two pairs of locking portions that engage with each of the two pairs of locking claws . The cable branch case according to claim 1,
The cover body includes a first case that is attached to the base body and covers an intermediate portion of the power cable in a state where the power connection terminal is fastened and fixed to the stat bolt, and is attached to the base body and the stat. A cable branch case, comprising: a second case that covers the bolt. A cable that has a core wire portion and a covering portion that covers the outer periphery of the core wire portion, supports an intermediate portion of a power cable connected to the in-vehicle battery on the vehicle body side, and branches the power supplied from the in-vehicle battery at the intermediate portion A branch case,
An insulating base body supported on the vehicle body side;
An insulating cover body attached to the base body and defining a housing space with the base body;
A stat bolt that is fixed to the base body and protrudes into the housing space, is fixed to an intermediate portion of the power cable, and a power connection terminal that is electrically connected to the core wire portion is fastened and fixed;
First and second power cable insertion openings that communicate between the housing space and the outside, and that are respectively inserted through both sides of the power connection terminal of the power cable;
A branch cable insertion opening that connects the housing space and the outside, and is inserted into a branch cable that is fastened and fixed to the stat bolt and energizes the power cable;
A hinge portion, and
The cover body includes a first case that is attached to the base body and covers an intermediate portion of the power cable in a state where the power connection terminal is fastened and fixed to the stat bolt, and is attached to the base body and the stat. A second case covering the bolt,
The hinge portion connects one of the base body and the first case to the second case,
The second case opens and closes the accommodation space by rotating around the hinge portion with the cover body attached to the base body,
The one of the base body and the first case and the second case are engaged with each other in a state where the second case opens the accommodation space and temporarily holds the second case. A cable branch case having an engaged portion. A cable branch case according to any one of claims 1 to 3,
The cable branch case, wherein the base body is swingably supported by a bracket fixed to the vehicle body.

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