JP2020121702A - Fixing device for electric cables for vehicles - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing device for an electric cable for a vehicle, which can absorb vibration to reduce damage to the electric cable for the vehicle and suppress a decrease in holding force for the electric cable for the vehicle. SOLUTION: A relay protector 80, which is a fixing device for an electric cable 90 for a vehicle, has three opposing support members 50 and a cover member 60 for sandwiching the electric cables 90 for the vehicle in a state of being inserted side by side in a second direction. To prepare for. In the support member 50, the inner first member 10 is an elastic member (for example, ethylene, propylene, diene, rubber), and the outer third member 30 is a metal (for example, cold rolled steel plate). In the cover member 60, the inner second member 20 is an elastic member, and the outer fourth member 40 is a metal. Inside the first member 10, a first protrusion 10a that suppresses deformation by sandwiching the vehicle electric cable 90 from both sides in the second direction is provided. [Selection diagram] FIG. 5

Description

The present invention relates to a vehicular electric cable fixing device that holds and fixes a vehicular electric cable.

A fixing device for a vehicle electric cable that holds and fixes a vehicle electric cable is known. For example, the one described in Patent Document 1 is that. In the vehicular electric cable fixing device described in Patent Document 1, the vehicular electric cable that is the member to be fixed is housed inside a cylindrical metal pipe, and the metal pipe is fixed to a position fixing member by a clamp tool. ing.

JP, 2013-67292, A

The fixing device for an electric cable for a vehicle described in Patent Document 1 described above requires a metal pipe for accommodating the electric cable for a vehicle. Therefore, the fixing device can directly hold the electric cable for the vehicle for cost reduction. Conceivable. For example, it is conceivable to hold the vehicle electric cable by sandwiching it with elastic members facing each other. In this case, the vibration for the vehicle electric cable is absorbed, while the vehicle electric cable is held elastically. The member may be deformed and the holding force (pressing force) with respect to the vehicle electric cable may be reduced.

The present invention has been made in view of the above circumstances, and an object of the present invention is to absorb vibration and reduce damage to a vehicle electric cable, and at the same time, to reduce a holding force for the vehicle electric cable. An object is to provide a fixing device for an electric cable for a vehicle that can be suppressed.

The gist of the present invention is a fixing device for an electric cable for a vehicle, comprising a supporting member and a cover member that face each other and sandwich a plurality of electric cables for the vehicle side by side in a parallel direction and inserted. The insides of the support member and the cover member are elastic members, the outsides of the support member and the cover member are metal, and the inside of at least one of the support member and the cover member is the plurality of The partition parts which face each other which sandwich the vehicle electric cable from both sides in the parallel direction are provided, and the partition parts which face each other suppress deformation of the plurality of vehicle electrical cables.

According to the present invention, the insides of the support member and the cover member are elastic members, and the outsides of the support member and the cover member are metal, and the inside of at least one of the support member and the cover member is Are provided with opposing partitioning portions sandwiching the plurality of vehicle electrical cables from both sides in the parallel direction, and the opposing partitioning portions suppress deformation of the plurality of vehicle electrical cables.

The metal on the outer side of the support member and the cover member presses the elastic members on the inner side of the support member and the cover member, respectively, so that the elastic force on the inner side of the support member and the cover member holds the electric cable for the vehicle. Is suppressed. Further, a plurality of vehicle electric cables are respectively inserted into the respective groove portions formed between the adjacent partition portions provided by the elastic member on the inner side of at least one of the support member and the cover member, and the vehicle electric cables are arranged in parallel. Deformation of the electric cable for a vehicle is suppressed by the partitioning portions that face each other and that are sandwiched from both sides in the direction. Since the deformation of the vehicle electric cable is suppressed, the elasticity of the inner side of each of the supporting member and the cover member facing each other is compared to the case where the partition portion is not provided and the deformation of the vehicle electric cable is not suppressed. The reduction in the holding force of the member with respect to the vehicle electric cable is suppressed. The elastic member inside each of the support member and the cover member absorbs the vibration of the vehicle electric cable. Therefore, even when vibration occurs in the vehicle electric cable, the vibration is absorbed by the elastic members inside the support member and the cover member, and damage to the vehicle electric cable is reduced, and at the same time, the vehicle electric cable is reduced. The deformation of the cable is suppressed, and the reduction of the holding force for the vehicle electric cable by the elastic members inside the support member and the cover member is suppressed.

It is a figure explaining the example of application of the relay protector which is a fixing device of the electric cable for vehicles concerning the example of the present invention. It is a perspective view of the relay protector shown in FIG. It is a perspective view of the 1st member and the 2nd member which comprise the relay protector shown in FIG. It is a perspective view of the 3rd member and the 4th member which comprise the relay protector shown in FIG. It is a schematic diagram explaining the state of the relay protector and the electric cable for vehicles shown in FIG. 2, (a) is a state before the electric cable for vehicles is pinched by the support member and cover member of a relay protector (before assembly). (B) is a state in which the vehicle electric cable is sandwiched between the support member and the cover member of the relay protector (state after assembly). It is a schematic diagram explaining the state of the relay protector and the electric cable for vehicles which concerns on a comparative example, and is a state (state after an assembly) in which the electric cable for vehicles was pinched by the support member and cover member of a relay protector.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following examples, the drawings are appropriately simplified or modified for easy understanding, and the dimensional ratios and shapes of the respective parts are not necessarily drawn accurately.

FIG. 1 is a diagram illustrating an application example of a relay protector 80 that is a fixing device for a vehicle electric cable 90 according to an embodiment of the present invention.

FIG. 1 shows a schematic configuration in the engine room of the electric vehicle 100. In the engine room, a transaxle (not shown), the inverter 110, the electric motor 130, and the charger 150 are fastened together. In electric vehicle 100, the DC power charged in charger 150 is converted into AC power by inverter 110, and electric motor 130 is rotationally driven by the converted AC power. The driving force of the electric motor 130 is transmitted to the driving wheels of the electric vehicle 100.

Electric power is supplied from the inverter 110 to the electric motor 130 via a plurality (three in this embodiment) of vehicle electric cables 90 (hereinafter, referred to as “electric cables 90”). For example, the three electric cables 90 supply three-phase AC power of U-phase, V-phase, and W-phase. One end sides of the three electric cables 90 are connected to the inverter side connector 120, and the other end sides thereof are connected to the electric motor side connector 140. The cable inside the inverter 110 is connected to the inverter side connector 120, and the cable inside the electric motor 130 is connected to the electric motor side connector 140. As a result, the AC power output from the inverter 110 is supplied to the electric motor 130 via the inverter-side connector 120, the plurality of electric cables 90, and the electric-motor-side connector 140.

Each of the three electric cables 90 is, for example, a wire formed by twisting metal wires and the outer circumference of the electric wire covered with an insulating resin. The electric cable 90 having a relatively large electric wire diameter whose both ends are bound by the inverter-side connector 120 and the electric motor-side connector 140 has an intermediate portion of the electric cable 90 in order to suppress interference such as contact with peripheral components due to bending. The portion (that is, the portion between the one end side and the other end side of the electric cable 90) is held by the relay protector 80. The relay protector 80 corresponds to the "fixing device" in the present invention.

FIG. 2 is a perspective view of the relay protector 80 shown in FIG. FIG. 3 is a perspective view of the first member 10 and the second member 20 constituting the relay protector 80 shown in FIG. FIG. 4 is a perspective view of the third member 30 and the fourth member 40 that form the relay protector 80 shown in FIG. Note that the first (width) direction, the second (longitudinal) direction, and the third (thickness) direction shown in FIGS. 2, 3, 4 and FIGS. , The directions are the same even if the figures are different. The first direction and the second direction are directions perpendicular to each other, and the third direction is a direction perpendicular to both the first direction and the second direction.

As shown in FIG. 2, the relay protector 80 includes a first member 10, a second member 20, a third member 30, and a fourth member 40. In the relay protector 80, the first member 10 and the third member 30 form the support member 50, and the second member 20 and the fourth member 40 form the cover member 60. The support member 50 and the cover member 60 sandwich the middle portion of the electric cable 90 in a state where the electric cable 90 is inserted so as to face each other. Here, in the support member 50 and the cover member 60, the electric cable 90 side with the electric cable 90 being sandwiched is defined as the inner side, and the side opposite to the inner side is defined as the outer side. The first member 10 is a member inside the support member 50, and the third member 30 is a member outside the support member 50. The second member 20 is a member inside the cover member 60, and the fourth member 40 is a member outside the cover member 60. The first member 10 and the third member 30 correspond to the “inside of the support member” and the “outside of the support member”, respectively, in the present invention, and the second member 20 and the fourth member 40 are respectively “in the present invention”. It corresponds to “the inside of the cover member” and “the outside of the cover member”.

As shown in FIG. 3, the first member 10 is a member elongated in the second direction as a whole. The first member 10 is an elastic member (for example, a rubber member such as ethylene/propylene/diene/rubber EPDM). The first member 10 that is an elastic member has a smaller elastic modulus than the third member 30 that is made of metal such as a steel plate described below. Inside the first member 10 in the third direction, a plurality of first protrusions 10a extending in the first direction are provided at a height larger than the radius (=diameter D0/2) of the electric cable 90 and smaller than the diameter D0. (See FIG. 5). A first groove portion 10b penetrating in the first direction is formed between adjacent first protrusions 10a with a groove width capable of reliably accommodating the electric cable 90, and the first groove portion 10b has an opening inward in the third direction. have. On the outside of the first member 10 in the third direction, second projecting portions 10c extending in the second direction are provided at both ends in the first direction. A second groove 10d penetrating in the second direction is formed between the second protrusions 10c provided at both ends, and the second groove 10d has an opening in the outer direction in the third direction.

As shown in FIG. 3, the second member 20 is a member elongated in the second direction as a whole. The second member 20 is an elastic member (for example, a rubber member such as ethylene/propylene/diene/rubber EPDM). The second member 20 that is an elastic member has a smaller elastic modulus than the fourth member 40 that is made of metal such as a steel plate described below. Inside the second member 20 in the third direction, the first protrusions 20a protruding inward in the third direction at both ends in the second direction (in FIG. 3, only the first protrusion 20a on the one end side are provided). (Shown). On the outer side of the second member 20 in the third direction, second projecting portions 20b extending in the second direction are provided at both ends in the first direction. A groove 20c penetrating in the second direction is formed between the second protrusions 20b provided at both ends, and the groove 20c has an opening in the outer direction in the third direction. In the second member 20, the flat portion 20d is a portion that constitutes the bottom surface of the groove portion 20c and extends in the second direction.

FIG. 4 shows a perspective view of the third member 30. The third member 30 is made of metal (for example, a steel plate such as a cold rolled steel plate). For example, the third member 30 is formed by processing a metal plate. At the central portion of the third member 30 in the second direction, a pressing portion 30a that can be fitted is provided corresponding to the second groove portion 10d of the first member 10. A first end portion 30b is provided on one end side of the pressing portion 30a in the second direction, and a second end portion 30d is provided on the other end side thereof. Both ends in the first direction of the first end portion 30b at the connecting portion with the holding portion 30a extend in the first direction more than both ends of the holding portion 30a. Both ends of the second end portion 30d in the first direction at the connecting portion with the holding portion 30a extend in the first direction more than both ends of the holding portion 30a.

The first end portion 30b is provided with one through hole 30c penetrating in the third direction. In the middle part of the second end 30d in the second direction, the second end 30d has a portion that is bent inward in the third direction. The second end portion 30d becomes wider in the first direction as it extends outward in the second direction from the connection portion with the pressing portion 30a (the direction opposite to the connection portion with the pressing portion 30a). Two bolt holes 30f penetrating in the third direction are provided in a portion of the second end portion 30d extending outward in the second direction from the bent portion. The bolt hole 30f is a hole through which a bolt for fixing the relay protector 80 holding a plurality of electric cables 90 to a non-rotating member such as a transaxle case is inserted. A locked portion 30e is provided on the second end portion 30d side of the pressing portion 30a.

FIG. 4 shows a perspective view of the fourth member 40. The fourth member 40 is made of metal (for example, a steel plate such as a cold rolled steel plate). For example, the fourth member 40 is formed by processing a metal plate.

The fourth member 40 is provided with a holding portion 40a that can be fitted in corresponding to the groove portion 20c of the second member 20. A first end portion 40b is provided on one end side of the pressing portion 40a, and a second end portion 40d is provided on the other end side.

The first end portion 40b is a portion that is bent inward in the third direction from the connection portion with the holding portion 40a and further outward from the bent tip in the second direction (the connection portion with the holding portion 40a is It is the part that is bent in the opposite direction). The second end portion 40d is a portion that is bent inward in the third direction from a portion that is connected to the holding portion 40a, and a portion that is provided with a locking portion 40e at the bent tip. When the relay protector 80 is assembled as described below, the locking portion 40e of the fourth member 40 is configured to be locked by the locked portion 30e of the third member 30. Both ends of the first end portion 40b in the first direction at the connecting portion with the holding portion 40a extend in the first direction more than both ends of the holding portion 40a. Both ends of the second end portion 40d in the first direction at the connecting portion with the holding portion 40a extend in the first direction more than both ends of the holding portion 40a.

One through hole 40c penetrating in the third direction is provided in the portion of the first end portion 40b that is bent outward in the second direction. When the relay protector 80 is assembled as described later, the through hole 40c of the fourth member 40 and the through hole 30c of the third member 30 have the same position in the first direction and the second direction.

From here, a method of assembling the relay protector 80 will be described. First, the second groove portion 10d of the first member 10 is fitted into the pressing portion 30a of the third member 30, and the second member 20 is arranged so as to face the first member 10. Further, while the locking portion 40e of the fourth member 40 is locked to the locked portion 30e of the third member 30, the pressing portion 40a is fitted into the groove portion 20c of the second member 20, and the fourth member 40 The 1st end 40b and the 1st end 30b of the 3rd member 30 are made to overlap. Since the through hole 30c of the third member 30 and the through hole 40c of the fourth member 40 have the same position in the first direction and the second direction, the through hole 30c and the through hole 40c are fixed with rivets. As a result, the relay protector 80 shown in FIG. 2 is assembled. Note that, in reality, three electric cables 90 are inserted side by side in the second direction at respective portions surrounded by the first groove portion 10b of the first member 10 and the flat portion 20d of the second member 20 which face each other. Each of them is clamped and held in the pressed state. The second direction corresponds to the "parallel direction" in the present invention.

In the assembled state, the movement of the first member 10 in the first direction is limited by the fitting of the pressing portion 30a into the second groove 10d of the first member 10, and the movement of the first member 10 in the second direction. In the connecting portions of the first end portion 30b and the second end portion 30d with the holding portion 30a, the portions extending in the first direction sandwich the second protrusion 10c of the first member 10 in the second direction. Therefore, it is limited. In the state after assembly, the movement of the second member 20 in the first direction is limited by the fitting of the pressing portion 40a into the groove portion 20c of the second member 20, and the movement of the second member 20 in the second direction is Limitation because the portions of the first end portion 40b and the second end portion 40d that connect to the holding portion 40a extend in the first direction sandwich the second protrusion 20b of the second member 20 in the second direction. To be done.

FIG. 5 is a schematic diagram for explaining the states of the relay protector 80 and the electric cable 90 shown in FIG. 2. In FIG. 5A, the electric cable 90 is sandwiched between the support member 50 and the cover member 60 of the relay protector 80. It is a previous state (state before assembly), and (b) is a state in which the electric cable 90 is sandwiched between the support member 50 and the cover member 60 of the relay protector 80 (state after assembly). FIG. 5 is a cross-sectional view of the electric cable 90 and the relay protector 80 as seen from the first direction shown in FIG.

As shown in FIG. 5A, in the state before the electric cable 90 is sandwiched between the support member 50 and the cover member 60 of the relay protector 80, three electric cables having a circular cross section with a diameter D0 [mm] are provided. 90 are respectively fitted in the first groove portions 10b having the groove width W [mm] (>D0) in the first member 10. The diameter D0 of the electric cable 90 is the sum of the height H1 [mm] of the first protrusion 10a of the first member 10 and the height H2 [mm] of the first protrusion 20a of the second member 20 in the third direction. Greater than value. Therefore, there is a gap between the first protrusion 10a and the first protrusion 20a at both ends in the second direction. The height H1 of the first protrusion 10a is smaller than the diameter D0 of the electric cable 90 and larger than the radius (=D0/2). In the third direction, the holding portion 30a of the third member 30 is located outside the first member 10, and the holding portion 40a of the fourth member 40 is located outside the second member 20.

As shown in FIG. 5B, when the electric cable 90 is sandwiched between the support member 50 and the cover member 60 of the relay protector 80, between the bottom surface of the first groove portion 10b and the flat portion 20d in the third direction. The distance G1 [mm] of the gap changes according to the distance G0 [mm] of the gap in the third direction by the metal pressing part 30a and the pressing part 40a. When the gap distance G1 is smaller than the sum of the height H1 of the first protrusion 10a and the height H2 of the first protrusion 20a, the first protrusion 10a and the first protrusion 10a at both ends in the second direction The first protrusion 20a is in a state of being crushed in the third direction by the holding portion 30a and the holding portion 40a. The pressing force with which the first member 10 and the second member 20 clamp the electric cable 90 changes according to the size of the gap distance G1.

As shown in FIG. 5B, the electric cable 90 is deformed by being pressed by the first member 10 and the second member 20. The cross section of the electric cable 90 is changed from a circular shape to an elliptical shape, the major axis (length of the major axis) D1 [mm] in the second direction becomes larger than the diameter D0, and the minor axis (length of the minor axis) in the third direction. ) D2 [mm] becomes smaller than the diameter D0. The increase in the major axis D1 in the second direction with respect to the cross section of the electric cable 90 is suppressed by the first protrusions 10a arranged on both sides of the electric cable 90 in the second direction. It is limited to the groove width W of the one groove portion 10b. In other words, the first member 10 is provided with the first protrusions 10a that face each other and that suppress the deformation of the electric cable 90 by sandwiching the electric cable 90 from both sides in the second direction. The first protrusion 10a provided inside the first member 10 corresponds to the "partitioning portion" in the present invention.

Since the major axis D1 in the second direction in the cross section of the electric cable 90 is suppressed from increasing, the minor axis D2 in the third direction in the cross section of the electric cable 90 is suppressed from decreasing, and the minor axis D2 in the third direction is suppressed. Is larger than the gap distance G1. Therefore, the electric cable 90 bites into the flat portion 20d of the second member 20 that is the elastic member in the third direction. As a result, the electric cable 90 is clamped and held in the third direction while being pressed by the bottom surface of the first groove portion 10b of the first member 10 which is an elastic member and the flat portion 20d of the second member 20. In the third direction, the first member 10, which is an elastic member, is pressed by the pressing portion 30a of the third member 30, which is a metal, and the second member 20, which is an elastic member, of the fourth member 40, which is a metal. It is held by the holding portion 40a. Therefore, the first member 10 and the second member 20, which are elastic members, are prevented from being deformed outward, respectively, by the holding portion 30a and the holding portion 40a, and compared with the case where the holding portion 30a and the holding portion 40a are not provided. The reduction of the holding force (pressing force) on the electric cable 90 is suppressed.

In FIG. 5B, for easy understanding, the cross section of the electric cable 90 is intentionally deformed into an elliptical shape so as to bite only into the flat portion 20 d of the second member 20. However, in reality, depending on the elastic modulus of the first protrusion 10a of the first member 10 (that is, the side wall of the first groove portion 10b) and the bottom surface of the first groove portion 10b and the elastic modulus of the flat portion 20d of the second member 20, Strictly speaking, the cross section of the electric cable 90 does not deform into a perfect elliptical shape, and the flat surface 20d of the second member 20 as well as the bottom surfaces of the first protrusion 10a and the first groove portion 10b of the first member 10 are formed. You can also cut into.

FIG. 6 is a schematic diagram illustrating the states of the relay protector 280 and the electric cable 90 according to the comparative example, in which the electric cable 90 is sandwiched between the support member 250 and the cover member 260 of the relay protector 280 (after assembly). State).

The configuration of the relay protector 280 according to the comparative example is substantially the same as the configuration of the relay protector 80 according to the present embodiment, but the relay protector 80 has the first protrusion 10a that suppresses the deformation of the electric cable 90. On the other hand, the relay protector 280 is different in that the first protrusion 10a is not provided. Therefore, the parts in which the relay protector 280 and the relay protector 80 are common are given the same reference numerals, and the description thereof will be appropriately omitted.

The relay protector 280 includes a first member 210, a second member 220, a third member 30, and a fourth member 40. In the relay protector 280, the first member 210 and the third member 30 form the support member 250, and the second member 220 and the fourth member 40 form the cover member 260. The configuration of the first member 210 is substantially the same as the configuration of the first member 10 described above, but the first member 210 does not have the first protrusion 10a. The configuration of the second member 220 is substantially the same as the configuration of the second member 20 described above, but the second member 220 does not have the first protrusion 20a.

As shown in FIG. 6, in a state where the electric cable 90 is sandwiched between the support member 250 and the cover member 260 of the relay protector 280, the first member in the third direction is compared for comparison with FIG. 5B described above. The gap distance G1 between 210 and the second member 220 is the same as in FIG. 5(b). The electric cable 90 is sandwiched and held while being pressed by the first member 210 and the second member 220. However, as the electric cable 90 continues to receive a pressing force from the first member 210 and the second member 220, which are elastic members, over time, the insulating resin of the electric cable 90 plastically deforms, and the cross section of the electric cable 90 becomes The major axis D3 [mm] in the second direction is larger than the major axis D1 and the minor axis D4 [mm] in the third direction is smaller than the minor axis D2.

This is because it is not possible to prevent the major axis D3 in the second direction in the cross section of the electric cable 90 from becoming larger than the groove width W because the first protrusion 10a is not provided, and therefore, in the cross section of the electric cable 90 in the third direction. This is because the reduction of the minor axis D4 is not suppressed. When the AC power supplied from the inverter 110 to the electric motor 130 is large as in the electric vehicle 100, the electric wire in the electric cable 90 is thickened in order to suppress the heat generation amount of the electric wire in the electric cable 90 due to the supplied electric power. Thus, the thicker the electric wire, that is, the larger the diameter D0 of the electric cable 90, the more easily the electric cable 90 is deformed into an elliptical cross section when the electric cable 90 is pressed. The diameter in the three directions is reduced, and the thickness of the insulating resin is reduced. As a result, the holding force (pressing force) of the relay protector 280 against the electric cable 90 by the first member 210 and the second member 220, which are elastic members, becomes lower than that of the relay protector 80 described above.

Note that, in FIG. 6 as well, the cross section of the electric cable 90 is intentionally deformed into an elliptical shape for ease of understanding in the same manner as in FIG. Strictly speaking, the cross section does not deform into a perfect ellipse.

According to the relay protector 80 of the present embodiment, the inner first member 10 of the support member 50 and the inner second member 20 of the cover member 60 are elastic members, and the outer third member 30 of the support member 50 and The outer fourth member 40 of the cover member 60 is made of metal. The first member 10 on the inner side of the support member 50 is provided with the first protrusions 10 a that face each other and that suppress the deformation of the electric cable 90 by sandwiching the electric cable 90 from both sides in the second direction.

In the support member 50, the third member 30, which is the outer metal, holds the first member 10, which is the inner elastic member, toward the inner side, and in the cover member 60, the fourth member 40, which is the outer metal, has the inner elasticity. Since the second member 20, which is a member, is pressed inward, a decrease in the holding force of the first member 10 and the second member 20 with respect to the electric cable 90 is suppressed.

Further, the three electric cables 90 are respectively inserted into the respective first groove portions 10b formed between the adjacent first protrusions 10a provided on the first member 10 which is an elastic member, and the electric cables 90 are connected to each other. Deformation of the electric cable 90 (deformation from a circular cross section to an ellipse) is suppressed by the first protrusions 10 a that face each other and are sandwiched from both sides in the two directions. Since the deformation of the electric cable 90 is suppressed, the first member 10 and the second member, which are elastic members facing each other, are compared to the case where the deformation of the electric cable 90 is not suppressed because the first protrusion 10a is not provided. The reduction in the holding force of the member 20 with respect to the electric cable 90 is suppressed. The first member 10 and the second member 20, which are elastic members, absorb the vibration of the electric cable 90. Therefore, even when vibration is generated in the electric cable 90, the vibration is absorbed by the first member 10 and the second member 20 which are elastic members, and the damage to the electric cable 90 is reduced, and the electric cable 90 The deformation is suppressed, and the reduction in the holding force of the first member 10 and the second member 20 with respect to the electric cable 90 is suppressed.

According to the relay protector 80 of the present embodiment, by adjusting the distance G0 [mm] of the gap in the third direction by the holding portion 30a of the third member 30 and the holding portion 40a of the fourth member 40, the third direction. The gap distance G1 between the bottom surface of the first groove portion 10b and the flat portion 20d can be easily changed. By changing the size of the gap distance G1, the pressing force with which the first member 10 and the second member 20 clamp the electric cable 90 can be adjusted.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention can be applied to other aspects.

In the above-described embodiment, it is the first protrusion 10a provided on the first member 10 that functions as the partition portion, but the present invention is not limited to this. For example, a protrusion functioning as a partition may be provided inside the flat portion 20d of the second member 20 in the third direction. Further, the first member 10 may be provided with the first protrusion 10a that functions as a partition, and the protrusion that functions as the partition may be provided inside the flat portion 20d of the second member 20 in the third direction. good. That is, by sandwiching the electric cable 90 from both sides in the second direction to the inside of the first member 10 inside the support member 50 and the second member 20 inside the cover member 60 in the third direction, electricity is generated. It suffices if projections that function as partitioning sections that oppose each other and that suppress deformation of the cable 90 are provided.

In the above-described embodiment, the groove width W of the first groove portion 10b of the first member 10 was larger than the diameter D0 of the cross section of the electric cable 90 before being clamped, but it is not limited to this. If the electric cable 90 can be fitted into the first groove portion 10b in consideration of the plastic deformation of the insulating resin of the electric cable 90, the groove width W of the first groove portion 10b is equal to the diameter D0 of the cross section of the electric cable 90. The width W of the first groove portion 10b may be the same or may be slightly smaller than the diameter D0 of the cross section of the electric cable 90.

Although the first direction and the second direction are perpendicular to each other in the above-described embodiment, the present invention is not limited to this. The first direction and the second direction may be directions that intersect with each other.

In the above-described embodiment, the through hole 30c of the third member 30 and the through hole 40c of the fourth member 40 are fixed with rivets, but the invention is not limited to this. For example, other fixing methods such as bolts, welding, and adhesive may be used.

Although the relay protector 80 according to the present invention is applied to the electric vehicle 100 in the above-described embodiment, the present invention is not limited to this. For example, the present invention may be applied to a hybrid vehicle that includes both an engine that is an internal combustion engine and an electric motor.

It should be noted that what has been described above is merely an embodiment of the present invention, and the present invention can be implemented in various modified and improved modes based on the knowledge of those skilled in the art without departing from the spirit of the present invention.

10: First member (inside the support member)
10a: first protrusion (partition)
20: Second member (inside the cover member)
30: Third member (outside the support member)
40: Fourth member (outside the cover member)
50: Support member 60: Cover member 80: Relay protector (fixing device)
90: Electric cable for vehicle

Claims (1)

A fixing device for a vehicle electric cable, comprising: a support member and a cover member that face each other and sandwich a plurality of electric cables for a vehicle arranged in a parallel direction and inserted.
Inner sides of the support member and the cover member are elastic members, and outer sides of the support member and the cover member are metal, respectively.
Inside at least one of the support member and the cover member, facing partition parts that sandwich the plurality of vehicle electric cables from both sides in the parallel direction are provided, and the facing partition parts are the plurality of partition parts. A fixing device for an electric cable for a vehicle, which suppresses deformation of a book electric cable for a vehicle.

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