Bracket for on-vehicle device

Abstract

To provide a bracket for an on-vehicle device capable of reducing a load applied to the on-vehicle device without being broken against light collision.SOLUTION: A bracket (1) for an on-vehicle device has: a plurality of vehicle body mounting portions 31 mounted on a vehicle body (3); a coupling portion 32 for connecting each of the vehicle body mounting portions to each other, and at least one device mounting portion 34 provided on the coupling portion via a connection portion 33 and mounted with the on-vehicle device (4). The connection portion has higher flexibility than the coupling portion and the device mounting portion, is elastically deformed by a first load, and is broken by a second load higher than the first load.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a bracket for an in-vehicle device. [Background technology]

[0002] Patent Document 1 discloses a bracket for mounting a radar device to a vehicle body. The bracket has a base on which the radar device is mounted, and a pair of legs that extend from the base toward the vehicle body and are fastened to the vehicle body. The base and the support legs are connected via a weak part. When an external load is applied to the radar device and the base, the weak part breaks, allowing the base to move toward the vehicle body. This suppresses damage to the radar device. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-121927 A Summary of the Invention [Problem to be solved by the invention]

[0004] The bracket according to Patent Document 1 has a problem in that it is difficult to appropriately set the load at which the weak portion breaks. If the breaking load of the weak portion is small, the weak portion breaks in a light collision, and the bracket needs to be replaced more frequently. On the other hand, if the breaking load of the weak portion is large, the weak portion does not break in a light collision, and there is a risk of the radar device being damaged.

[0005] In view of the above background, an object of the present invention is to provide a bracket for an in-vehicle device that is not broken during a minor collision and that can reduce the load applied to the in-vehicle device. [Means for solving the problem]

[0006] In order to solve the above problem, one aspect of the present invention is a bracket (1, 101) for vehicle-mounted equipment, comprising a plurality of vehicle body mounting portions (31) attached to a vehicle body (3), connecting portions (32) connecting each of the vehicle body mounting portions to each other, and at least one equipment mounting portion (34) provided on the connecting portions via a connection portion (33) and to which an in-vehicle device (4) is attached, wherein the connecting portions have higher flexibility than the connecting portions and the equipment mounting portions, elastically deform under a first load, and break under a second load higher than the first load.

[0007] According to this aspect, when a relatively small first load is applied to the in-vehicle device, the connection portion elastically deforms, causing the in-vehicle device and the device mounting portion to be displaced relative to the coupling portion, thereby reducing the load applied to the in-vehicle device. On the other hand, when a second load larger than the first load is applied to the in-vehicle device, the connection portion breaks, causing the in-vehicle device and the device mounting portion to be displaced more significantly relative to the coupling portion, thereby reducing the load applied to the in-vehicle device. In this way, it is possible to provide a bracket for in-vehicle device that can reduce the load applied to the in-vehicle device without breaking in the event of a minor collision.

[0008] In the above aspect, the device mounting portions may be provided swingably on both sides of the coupling portion via the corresponding connection portions.

[0009] According to this aspect, when a relatively small first load is applied to the in-vehicle device, the device mounting portion swings relative to the connecting portion, thereby making it possible to reduce the load applied to the in-vehicle device.

[0010] In the above aspect, the connecting portion may extend in a vertical direction relative to the vehicle body, and the plurality of device mounting portions may extend in a horizontal direction from the connecting portion.

[0011] According to this aspect, even if an external load applied to the vehicle-mounted device is shifted laterally, the device mounting portion can appropriately swing relative to the connecting portion.

[0012] In the above aspect, each of the connection portions may have a thickness smaller than each of the coupling portion and the device mounting portion.

[0013] According to this aspect, the connection portion can swingably connect the device mounting portion to the coupling portion.

[0014] In the above aspect, each of the connection portions may be a groove extending in a longitudinal direction of the coupling portion, and may separate the coupling portion from each of the device mounting portions.

[0015] According to this aspect, the connection portion can swingably connect the device mounting portion to the coupling portion.

[0016] In the above aspect, a cantilever beam (44) defined by a slit (43) is formed in the connecting portion, and a positioning hole (45) into which a positioning protrusion (20) provided on the vehicle-mounted equipment is inserted may be formed in the cantilever beam.

[0017] According to this aspect, when the in-vehicle device is attached to the bracket, the positioning protrusion enters the positioning hole, thereby positioning the in-vehicle device relative to the bracket. When the in-vehicle device is displaced by an external load, the cantilever deforms, thereby suppressing interference between the positioning protrusion and the positioning hole.

[0018] In the above aspect, each of the equipment mounting portions may have a fastening hole (48) for fastening a fastener that fastens the vehicle-mounted equipment, and a thin-walled portion (49) extending in an arc shape centered on the fastening hole.

[0019] According to this aspect, when the second load is applied to the in-vehicle device, the thin portion breaks, causing the in-vehicle device and the device mounting portion to be displaced relative to the connecting portion, thereby reducing the load applied to the in-vehicle device.

[0020] In the above aspect, the connecting portion may be formed in a frame shape, the equipment mounting portion may be arranged inside the connecting portion, and the connection portion may have a first connection portion (119) having flexibility and a second connection portion (120) that is more easily broken than the first connection portion.

[0021] According to this aspect, the swinging of the device mounting portion due to the first connection portion is suppressed until the second connection portion breaks.

[0022] In the above aspect, the first connection portion may be connected to a first side edge of the device mounting portion, and the second connection portion may be connected to a second side edge of the device mounting portion that is opposite to the first side edge.

[0023] According to this aspect, the device mounting portion can be stably supported on the coupling portion by the first connecting portion and the second connecting portion.

[0024] In the above aspect, an L-shape may be formed at the connecting portion and the vehicle body mounting portion.

[0025] According to this aspect, the connecting portion can be attached to the vehicle body with good stability. Effect of the Invention

[0026] According to the above-mentioned configuration, it is possible to provide a bracket for an in-vehicle device that does not break even in the event of a minor collision and that can reduce the load applied to the in-vehicle device. [Brief description of the drawings]

[0027] [Figure 1] FIG. 1 is a perspective view of a bracket and a radar device according to a first embodiment; [Diagram 2] FIG. 1 is a perspective view of a bracket and a radar device according to a first embodiment; [Diagram 3] Front view of the radar device from the left [Figure 4] Rear side view of the radar device [Diagram 5] Plan view of the radar device from below [Figure 6]FIG. 1 is a perspective view of a bracket according to a first embodiment, seen from the front side; [Figure 7] FIG. 1 is a perspective view of a bracket according to a first embodiment, seen from the back side; [Figure 8] FIG. 1 is a front view of the rear side of the bracket according to the first embodiment; [Figure 9] FIG. 1 is a side cross-sectional view of a bracket according to a first embodiment; [Figure 10] FIG. 1 is a side cross-sectional view of a bracket according to a first embodiment; [Figure 11] FIG. 3 is a perspective view showing the main part of the device mounting portion; [Figure 12] FIG. 3 is a perspective view showing the main part of the device mounting portion; [Figure 13] FIG. 13 is a perspective view of a bracket and a radar device according to a second embodiment; [Figure 14] FIG. 13 is a perspective view of a bracket according to a second embodiment; [Figure 15] FIG. 11 is an enlarged view showing a connection portion of a bracket according to a second embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0028] An example in which the bracket for an in-vehicle device of the present invention is applied to a vehicle such as an automobile will be described below with reference to the drawings. The bracket for an in-vehicle device is a bracket 1 for mounting an in-vehicle device to a vehicle.

[0029] (First embodiment) The vehicle has a body panel 3 and exterior parts attached to the outer surface of the body panel 3. The exterior parts include, for example, a front bumper face, a rear bumper face, and a front grille. As shown in FIG. 1, in this embodiment, the on-board equipment is attached to the rear end of the body panel 3. In detail, the on-board equipment is preferably attached to a portion of the body panel 3 that is below the tail lamp and covered by the rear bumper face. The body panel 3 is provided with a fastener for attaching the on-board equipment. The fastener may be, for example, a weld nut welded to the body panel 3.

[0030] The on-board device may be a sensor that detects obstacles around the vehicle. The on-board device may be, for example, a radar device, a sonar sensor, a capacitance sensor, a camera, etc. In this embodiment, the on-board device is a radar device 4. The radar device 4 may be a millimeter wave radar.

[0031] 1 to 5, the radar device 4 has a radar main body 6. The radar main body 6 may have a known configuration, for example, having a circuit board, a transmitting antenna for transmitting millimeter wave radio waves, a receiving antenna for receiving reflected waves, and a casing 7 that houses the circuit board, the transmitting antenna, and the receiving antenna. The casing 7 is formed in a roughly rectangular parallelepiped shape. The casing 7 is provided with a connector 8 for connection to a wire harness (not shown).

[0032] The radar device 4 further includes a radar mount 9 and a hood 10 that hold the radar main body 6. The radar mount 9 and the hood 10 may be formed of, for example, a resin material. The radar mount 9 includes a plate-shaped substrate 12 whose surface faces in a direction perpendicular to the vehicle body panel 3, and a support wall 14 that protrudes from the surface of the substrate 12 that faces in a direction opposite to the vehicle body panel 3. The support wall 14 is U-shaped with an open upper portion. An opening that penetrates the support wall 14 in the vertical direction is formed at the bottom of the support wall 14. The radar main body 6 is accommodated in a storage section 15 defined by the support wall 14. The radar main body 6 is arranged in the radar mount 9 so that each antenna of the radar main body 6 faces in a direction opposite to the substrate 12. The radar main body 6 is also arranged so that the connector section 8 passes through the opening of the support wall 14. The radar mount 9 may have a plurality of locking claws (not shown) for locking the radar main body 6.

[0033] The radar device 4 further has a positioning protrusion 20 that protrudes from the rear surface of the substrate portion 12. The positioning protrusion 20 passes through a positioning hole 45 formed in the bracket 1, which will be described later.

[0034] The radar mount 9 further has a pair of legs 22, 23 that protrude from the rear surface of the base portion 12 that extends outward from the support wall 14. The legs 22, 23 are formed with first fastening holes 28 for attachment to the bracket 1.

[0035] The hood 10 is formed in a cylindrical shape. The hood 10 is provided around the radar main body 6 and regulates the emission direction and the incidence direction of radio waves. The hood 10 is preferably connected to a radar mount 9.

[0036] The radar device 4 is attached to a vehicle body panel 3 via a bracket 1. The bracket 1 is made of a resin material such as polybutylene terephthalate (PBT) or polycarbonate.

[0037] In the following description, the front side of bracket 1 facing the opposite direction to vehicle body panel 3 is defined as the front, and the back side of bracket 1 facing vehicle body panel 3 is defined as the rear, but these directions do not limit the direction in which bracket 1 is mounted on the vehicle. For example, if bracket 1 is attached to the rear end of the vehicle, the front side of bracket 1 may face rearward. Also, the vertical direction is defined as the up-down direction in the description.

[0038] As shown in Figures 1, 2, and 6 to 10, the bracket 1 has a plurality of vehicle body mounting parts 31 attached to a vehicle body panel 3, coupling parts 32 that couple each of the vehicle body mounting parts 31 to each other, and an equipment mounting part 34 that is provided on the coupling parts 32 via connection parts 33 and to which the radar device 4 is attached. In this embodiment, the vehicle body mounting parts 31, the coupling parts 32, the connection parts 33, and the equipment mounting part 34 are integrally formed. The vehicle body mounting part 31 has a first vehicle body mounting part 31A and a second vehicle body mounting part 31B that are connected by the coupling parts 32. The first vehicle body mounting part 31A and the second vehicle body mounting part 31B are arranged vertically spaced apart from each other.

[0039] The first vehicle body mounting portion 31A and the second vehicle body mounting portion 31B have a fastening plate 36 fastened to the vehicle body panel 3, and a standing wall 37 extending rearward from the fastening plate 36. Each fastening plate 36 is formed with a second fastening hole 38 for fastening to the vehicle body panel 3. As shown in FIG. 11, in this embodiment, each fastening plate 36 is provided with a plurality of cylindrical portions 36A that penetrate each fastening plate 36 in the thickness direction and protrude forward from the front surface of each fastening plate 36. The second fastening holes 38 are defined by the inner circumferential surface of the cylindrical portions 36A.

[0040] In this embodiment, the fastening plate 36 of the first vehicle body mounting portion 31A is provided with two second fastening holes 38, and the fastening plate 36 of the second vehicle body mounting portion 31B is provided with one second fastening hole 38. The fastening plate 36 of the first vehicle body mounting portion 31A extends in a lateral direction perpendicular to the up-down direction and the front-rear direction. The two second fastening holes 38 of the first vehicle body mounting portion 31A are provided at corresponding both ends of the fastening plate 36.

[0041] A plurality of first recesses 38A recessed radially outward are formed on the inner peripheral surface of the cylindrical portion 36A that defines the second fastening hole 38. In this embodiment, three first recesses 38A are arranged at intervals in the circumferential direction of the inner peripheral surface of the cylindrical portion 36A. The bottoms of the first recesses 38A are formed in an arc shape. The center of curvature of the bottoms of each of the first recesses 38A may be offset from the center of the second fastening hole 38. The front-to-rear length of the first recesses 38A is equal to the front-to-rear length of the cylindrical portion 36A.

[0042] Further, a plurality of second recesses 38B recessed radially outward are formed on the inner peripheral surface of the cylindrical portion 36A. In this embodiment, each second recess 38B extends in the circumferential direction and connects adjacent first recesses 38A. The front-to-rear length of each second recess 38B is shorter than the front-to-rear length of the cylindrical portion 36A. In this embodiment, each second recess 38B extends forward from the rear end of the cylindrical portion 36A. The bottom of each second recess 38B is formed in an arc shape. The center of curvature of the bottom of each second recess 38B may overlap with the center of the second fastening hole 38.

[0043] As shown in FIG. 12, a collar member 39 is inserted into each of the second fastening holes 38. The collar member 39 is formed in a cylindrical shape. The center of the collar member 39 overlaps with the center of the second fastening hole 38. The collar member 39 may be inserted into the second fastening hole 38 by, for example, cold press fitting. When the collar member 39 is inserted into the corresponding second fastening hole 38, a part of the outer circumferential surface of the collar member 39 abuts on the inner circumferential surface of the cylindrical portion 36A other than the first recess 38A and the second recess 38B. The first recess 38A and the second recess 38B make it easier for the inner circumferential surface of the cylindrical portion 36A that abuts on the outer circumferential surface of the collar member 39 to bend. Therefore, when the collar member 39 is inserted into the second fastening hole 38, damage such as chipping or cracking of the inner circumferential surface of the cylindrical portion 36A is suppressed. Each collar member 39 may be formed of metal.

[0044] As shown in FIG. 11 and FIG. 12, each vehicle body mounting portion 31 is provided with a plurality of first ribs 40. Specifically, each of the plurality of first ribs 40 is provided on the surface of the fastening plate 36 facing the direction opposite to the vehicle body panel 3. The first rib 40 extends along the surface direction of the fastening plate 36. A part of the plurality of first ribs 40 may be provided along the periphery of the fastening plate 36. A part of the plurality of first ribs 40 extends radially outward from the outer circumferential surface of the cylindrical portion 36A that defines a part of the second fastening hole 38. More specifically, a part of the plurality of first ribs 40 extends radially outward from the outer circumferential surface of the cylindrical portion 36A that faces the bottom surface of the first recess 38A. This suppresses a decrease in the rigidity of the cylindrical portion 36A that defines a part of the second fastening hole 38.

[0045] In addition, in other embodiments, the fastening plate 36 may have a plurality of lightening portions. In this case, the portion that defines the lightening portions may be the first rib 40. Also, the cylindrical portion 36A may be formed by the lightening portions.

[0046] 6 to 10, the connecting portion 32 is formed in a plate shape extending in the up-down direction with a surface facing the front-rear direction. A standing wall 37 of the first vehicle body mounting portion 31A is joined to an upper edge of the connecting portion 32. A standing wall 37 of the second vehicle body mounting portion 31B is joined to a lower edge of the connecting portion 32. The bracket 1 is L-shaped at the connecting portion 32, the first vehicle body mounting portion 31A, and the second vehicle body mounting portion 31B. A gap is formed between the connecting portion 32 and the vehicle body panel 3 by the standing wall 37.

[0047] A plurality of second ribs 41 are provided on the back surface of the connecting portion 32 facing the vehicle body panel 3. The second ribs 41 extend along the surface direction of the connecting portion 32. It is preferable that some of the plurality of second ribs 41 are provided along the periphery of the connecting portion 32.

[0048] In addition, in another embodiment, the connecting portion 32 may have a plurality of lightening portions. In this case, the second rib 41 may be a portion that defines the lightening portions.

[0049] A cantilever 44 defined by a slit 43 is formed in the connecting portion 32. The cantilever 44 is provided in the center of the connecting portion 32 in the up-down direction. A positioning hole 45 is formed in the cantilever 44 for inserting the positioning protrusion 20 provided on the radar mount 9. In this embodiment, the slit 43 has a first slit 43A extending in the horizontal direction and a second slit 43B extending vertically upward from each of both ends of the first slit 43A in the horizontal direction. A part of the multiple second ribs 41 is provided in a rectangular shape when viewed from the back side of the connecting portion 32 so as to surround the periphery of the slit 43. The second rib 41 is not provided on the cantilever 44. That is, the cantilever 44 is formed to be thinner than the other parts of the connecting portion 32 including the second rib 41. Therefore, the cantilever 44 has higher flexibility than the other parts of the connecting portion 32.

[0050] The device mounting portion 34 is formed in a plate shape with a surface facing the front-rear direction. In this embodiment, the bracket 1 has two device mounting portions 34. Each device mounting portion 34 extends in the horizontal direction from the connecting portion 32. Specifically, the device mounting portion 34 protrudes outward in the horizontal direction from each of both horizontal edges of the connecting portion 32.

[0051] A plurality of third ribs 46 are provided on the back surface of the device mounting portion 34. The third ribs 46 extend along the surface direction of the device mounting portion 34. Some of the plurality of third ribs 46 extend generally in the up-down direction at least along the side edge of the device mounting portion 34 close to the connecting portion 32.

[0052] In addition, in other embodiments, the device mounting portion 34 may have a plurality of lightening portions. In this case, the third rib 46 may be a portion that defines the lightening portions.

[0053] As shown in Figs. 6 to 10, the device mounting portion 34 has a third fastening hole 48 to which a fastener for mounting the radar device 4 is fastened, and a thin-walled portion 49 extending in an arc shape centered on the third fastening hole 48. The fastener may be, for example, a bolt. In this embodiment, the third fastening hole 48 is provided in the upper portion of one device mounting portion 34 and in the lower portion of the other device mounting portion 34. A female thread is formed on the inner peripheral surface of the third fastening hole 48. A metallic collar member may be inserted into the third fastening hole 48. The thin-walled portion 49 is a portion between the third fastening hole 48 and the third rib 46 extending in an arc shape centered on the third fastening hole 48.

[0054] Between the coupling portion 32 and the corresponding device mounting portion 34, a groove extending generally in the vertical direction is formed by cooperation between a second rib 41 provided along each lateral side edge of the coupling portion 32 and a third rib 46 provided along the corresponding side edge of the device mounting portion 34. In this embodiment, the groove corresponds to the connection portion 33. As a result, the connection portion 33 separates the coupling portion 32 from the device mounting portion 34.

[0055] In this embodiment, the coupling portion 32, the connecting portion 33, and the device mounting portion 34 are formed from a single plate-like member whose surfaces are arranged on the same plane. Each of the connecting portions 33 has a thickness thinner than each of the coupling portion 32 and the device mounting portion 34. Specifically, the thickness of the connecting portion 33 is thinner than the thickness of the coupling portion 32 including the second rib 41 and the thickness of the device mounting portion 34 including the third rib 46. That is, the connecting portion 33 has higher flexibility than the coupling portion 32 and the device mounting portion 34. Therefore, the connecting portion 33 connects the device mounting portion 34 to the coupling portion 32 so as to be able to swing. Also, the thickness of the thin portion 49 is thinner than the thickness of the portion of the device mounting portion 34 other than the thin portion 49.

[0056] The second fastening hole 38 and the weld nut welded to the corresponding vehicle body panel 3 may be fastened by a bolt 50 (see FIG. 1). More specifically, the collar member 39 inserted into the second fastening hole 38 and the weld nut welded to the corresponding vehicle body panel 3 may be fastened by the bolt 50. In this way, the bracket 1 is assembled to the vehicle body panel 3. The bracket 1 forms an L-shape at the connecting portion 32 and each vehicle body mounting portion 31. In this way, the bracket 1 is attached to the vehicle body panel 3 with good stability.

[0057] The procedure for assembling the radar device 4 to the bracket 1 will be described. First, the positioning protrusion 20 provided on the radar mount 9 is inserted into the positioning hole 45 provided in the connecting portion 32 of the bracket 1. This positions the radar device 4 relative to the bracket 1. Next, the first fastening hole 28 and the corresponding third fastening hole 48 are fastened with a bolt as a fastener. This attaches the radar device 4 to the bracket 1.

[0058] After the radar device 4 is mounted on the bracket 1, a connector (not shown) provided on the wire harness may be connected to the connector portion 8 of the radar device 4.

[0059] The operation of the bracket 1 configured as above will now be described.

[0060] When another vehicle or an object collides with the vehicle from the outside of the vehicle, the impact of the collision is transmitted to the bracket 1 via the rear bumper face. When the collision is a light collision, that is, when a relatively small first load is applied to the bracket 1, the connection portion 33 is elastically deformed. Specifically, the radar device 4 and the equipment mounting portion 34 are displaced toward the vehicle body panel 3 relative to the coupling portion 32 with the connection portion 33 as an axis. When the first load applied to the bracket 1 is released, the radar device 4 and the equipment mounting portion 34 are displaced toward their original positions relative to the coupling portion 32 due to the biasing force of the connection portion 33. Therefore, the equipment mounting portion 34 swings relative to the coupling portion 32 via the corresponding connection portion 33. The swing of the equipment mounting portion 34 can reduce the load applied to the radar device 4. Therefore, the bracket 1 can reduce the load applied to the radar device 4 without breaking due to a light collision. In addition, the connection portion 33 is unlikely to become a vibration node of the bracket 1, so vibration between the connection portion 33 and the equipment mounting portion 34 is suppressed. Since the coupling portion 32 is separated from the vehicle body panel 3 by the standing wall 37, contact with the vehicle body panel 3 is suppressed even if the equipment mounting portion 34 is displaced in a direction toward the vehicle body panel 3. In addition, when the radar device 4 is displaced due to a light collision, the cantilever beam 44 also deforms in a direction toward the vehicle body panel 3, so interference between the positioning protrusion 20 and the positioning hole 45 is suppressed.

[0061] The equipment mounting portion 34 extends laterally from the connecting portion 32. This allows the equipment mounting portion 34 to swing appropriately relative to the connecting portion 32 even if the load applied to the radar device 4 shifts laterally, i.e., shifts from the direction in which the bracket 1 faces.

[0062] When the impact is greater than a light collision, that is, when a second load higher than the first load is applied to the bracket 1, the bracket 1 breaks. Specifically, the connection portion 33 breaks. This causes a greater displacement of the radar device 4 and the equipment mounting portion 34 relative to the coupling portion 32, making it possible to reduce the load applied to the radar device 4. Furthermore, when the second load is applied to the bracket 1, it is preferable that the thin-walled portion 49 also breaks. This makes it possible to further reduce the load applied to the radar device 4.

[0063] Second embodiment A bracket 101 according to the second embodiment will be described with reference to FIGS.

[0064] As shown in FIGS. 13 and 14, the bracket 101 has a vehicle body mounting portion 102, a coupling portion 103, a connection portion 104, and an equipment mounting portion 105, similar to the bracket 1 of the first embodiment.

[0065] The first vehicle body mounting portion 102A constituting the upper vehicle body mounting portion 102 has two fastening plates 106 and corresponding standing walls 107. Each fastening plate 106 is provided with a corresponding second fastening hole 108. The fastening plates 106 of the second vehicle body mounting portion 102B constituting the lower vehicle body mounting portion 102 extend in the lateral direction. The fastening plates 106 of the second vehicle body mounting portion 102B are provided with a second fastening hole 108. The second vehicle body mounting portion 102B does not have a standing wall 107. A collar member (not shown) may be inserted into the second fastening hole 108.

[0066] The connecting portion 103 is formed in a frame shape. The connecting portion 103 is formed by a plate-like member whose surface faces the front-rear direction and a first rib 110 protruding from the front surface of the plate-like member facing forward. As in the first embodiment, the connecting portion 103 may have a plurality of hollowed-out portions. In this case, the portion that defines the hollowed-out portion may be the first rib 110. The connecting portion 103 has a first portion 111 extending in the lateral direction, a pair of second portions 112 extending downward from both ends of the first portion 111, a pair of third portions 113 extending inward in the lateral direction from the lower end of each second portion 112, and a pair of fourth portions 114 extending downward from the inner end of each third portion 113 in the lateral direction. The lower end of the second portion 112 is located forward of the other portions of the second portion 112.

[0067] Each standing wall 107 of the first vehicle body mounting portion 102A is connected to the first portion 111. A lateral end of the fastening plate 106 of the second vehicle body mounting portion 102B is connected to the corresponding fourth portion 114. The connecting portion 103 has an opening defined by each portion and the second vehicle body mounting portion 102B. The opening is open in the front-rear direction.

[0068] The device mounting portion 105 may be formed by a rectangular plate-shaped member whose surface faces the front-rear direction and a lattice-shaped second rib 116 protruding from the front of the plate-shaped member. As in the first embodiment, the device mounting portion 105 may have a plurality of lightening portions. In this case, the portion that defines the lightening portions may be the second rib 116. The device mounting portion 105 is disposed inside the connecting portion 103. Specifically, the device mounting portion 105 is disposed in an opening surrounded by the first portion 111, the second portion 112, and the third portion 113. In this case, the surface of the device mounting portion 105 may be disposed on approximately the same plane as the surface of the first portion 111. The surface of the device mounting portion 105 is located behind the surface of the lower end portion of the second portion 112 and the surface of the third portion 113. The third fastening hole 118 for mounting the radar device 4 is provided at the upper portion of one side of the device mounting portion 105 in the lateral direction and at the lower portion of the other side of the device mounting portion 105 in the lateral direction. It is preferable that a positioning hole 117 is formed in the center of the device mounting portion 105 in the lateral direction.

[0069] The connection portion 104 has a plurality of first connection portions 119 and a plurality of second connection portions 120. The first connection portions 119 connect a lower edge portion (first side edge) of the device mounting portion 105 and the third portion 113 of the coupling portion 103. The second connection portions 120 connect an upper edge portion (second side edge) of the device mounting portion 105 and the first portion 111 of the coupling portion 103. This allows the device mounting portion 105 to be supported by the coupling portion 103 with good stability.

[0070] 14, the first connection part 119 may be a member having higher flexibility than the second connection part 120. The first connection part 119 may be, for example, a thin-walled hinge whose surface faces the front-rear direction and is thinner than the thickness of the coupling part 103 and the thickness of the device mounting part 105. The first connection part 119 connects the device mounting part 105 to the coupling part 103 in a swingable manner.

[0071] 15, the second connection portion 120 is more likely to break than the first connection portion 119. The second connection portion 120 is formed in a plate shape with a surface facing in the horizontal direction. Specifically, the second connection portion 120 has a vertical wall portion 121 extending downward from the lower edge of the device mounting portion 105, and a horizontal wall portion 122 extending forward from the lower end portion of the vertical wall portion 121 and coupled to the upper edge portion of the corresponding third portion 113. The thickness of the horizontal wall portion 122 in the vertical direction is thinner than the thickness of the vertical wall portion 121 in the vertical direction.

[0072] When the radar device 4 is attached to the bracket 101, the connector portion 8 of the radar device 4 is disposed on the lower side, that is, on the side of the second connection portion 120.

[0073] When another vehicle or an object collides lightly with the vehicle from the outside of the vehicle, that is, when a first load is applied to the bracket 101, the second connection part 120 breaks. This makes it possible to reduce the load applied to the radar device 4. When the second connection part 120 breaks, the radar device 4 and the equipment mounting part 105 swing around the first connection part 119. This makes it possible to further reduce the load applied to the radar device 4. Because the equipment mounting part 105 is provided on the inside of the coupling part 103, even if the equipment mounting part 105 is displaced in a direction toward the vehicle body panel 3, contact with the vehicle body panel 3 is suppressed.

[0074] When another vehicle or an object collides with the vehicle from the outside of the vehicle, the load applied to the radar device 4 and the device mounting portion 105 acts in a direction toward the vehicle body panel 3. At this time, the load of the device mounting portion 105 acts in a direction pulling the horizontal wall portion 122 through the vertical wall portion 121. As a result, the second connection portion 120 is likely to break at the joint portion between the vertical wall portion 121 and the horizontal wall portion 122. On the other hand, for example, when a connector of a wire harness is connected to the connector portion 8 of the radar device 4, a load is applied to the radar device 4 and the device mounting portion 105 in a direction opposite to the vehicle body panel 3. At this time, the load of the device mounting portion 105 acts in a direction compressing the horizontal wall portion 122 through the vertical wall portion 121. As a result, the second connection portion 120 is unlikely to break at the joint portion between the vertical wall portion 121 and the horizontal wall portion 122. Therefore, the ease with which the second connection portion 120 breaks changes depending on the direction of the load applied to the device mounting portion 105. This prevents the first connection portion 119 from breaking unintentionally by the operator.

[0075] Although the description of the specific embodiment is finished above, the present invention is not limited to the above embodiment and can be widely modified. For example, the connection portion 33 may be a groove formed by cutting a plate-like member. The connection portion 33 may also be a perforation in which a cut is provided in the plate-like member in the form of a break line. Furthermore, the connection portion 33 may be an opening extending vertically in the plate-like member. In the second embodiment, a cut groove extending horizontally may be formed near the joining portion between the vertical wall portion 121 and the horizontal wall portion 122. [Explanation of symbols]

[0076] 1, 101: Bracket (bracket for vehicle-mounted equipment) 3: Body panel (body) 4: Radar equipment (vehicle-mounted equipment) 20: Positioning protrusion 31: Vehicle body mounting part 32:Connection part 33: Connection part 34: Equipment mounting section 43: Slit 44: Cantilever beam 45: Positioning hole 48: 3rd fastening hole (fastening hole) 49: Thin section 119: First connection part 120: Second connection part

Claims

1. A bracket for an in-vehicle device, A plurality of vehicle body mounting portions that are attached to a vehicle body; a connecting portion that connects the vehicle body mounting portions to each other; at least one device mounting portion provided on the coupling portion via a connection portion, to which an in-vehicle device is attached; The connection portion has higher flexibility than the coupling portion and the device mounting portion, elastically deforms under a first load, and breaks under a second load higher than the first load.

2. 2. The bracket for an in-vehicle device according to claim 1, wherein the device mounting portions are provided swingably on both sides of the coupling portion via the corresponding connecting portions.

3. The connecting portion extends in a vertical direction with respect to the vehicle body, 3. The bracket for an in-vehicle device according to claim 2, wherein a plurality of said device mounting portions extend laterally from said connecting portion.

4. The bracket for an in-vehicle device according to claim 2 , wherein each of the connection portions has a thickness smaller than each of the coupling portion and the device mounting portion.

5. 3. The bracket for an in-vehicle device according to claim 2, wherein each of the connection portions is a groove extending in a longitudinal direction of the coupling portion, and separates the coupling portion from each of the device mounting portions.

6. The connecting portion is formed with a cantilever defined by a slit, 2. The bracket for an in-vehicle device according to claim 1, wherein the cantilever is formed with a positioning hole into which a positioning protrusion provided on the in-vehicle device is inserted.

7. Each of the device mounting portions has a fastening hole into which a fastener for fastening the vehicle-mounted device is fastened, and a thin-walled portion extending in an arc shape centered on the fastening hole, The bracket for an in-vehicle device according to claim 2 , wherein the thin portion is broken by the second load.

8. The connecting portion is formed in a frame shape, the device mounting portion is disposed inside the coupling portion, The bracket for an in-vehicle device according to claim 1 , wherein the connection portion includes a first connection portion having flexibility and a second connection portion having a greater tendency to break than the first connection portion.

9. The first connection portion is connected to a first side edge of the device mounting portion, The bracket for an in-vehicle device according to claim 8 , wherein the second connection portion is connected to a second side edge of the device mounting portion opposite to the first side edge.

10. The bracket for an in-vehicle device according to claim 1 , wherein the connecting portion and the vehicle body mounting portion are formed in an L-shape.

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