Radar device mounting structure

Abstract

To provide clearance between a garnish and a cover, while suppressing an intrusion of a foreign matter in a vehicle body structure.SOLUTION: A vehicle body structure 1 has: a front grill 2 as a garnish; an adapter 7 that is coupled to the front grill; a radar device 4 that is supported by the adapter; and a cover 8 that is coupled to the front grill and covers the radar device. The front grill has: an attachment hole 11; a first annular rib 12 that extends so as to surround the attachment hole; and an annular front surface 13 that is defined by an edge part of the attachment hole, and first annular rib. The adapter is coupled to a rear face of the front grill, and is disposed in a position corresponding to the attachment hole. The cover has: a tabular part 37 that is disposed inside the first annular rib, faces, in an outer edge part, an inner-side surface of the first annular rib via the first clearance C1 and covers the attachment hole; and a plurality of regulation walls 44 that protrude toward an annular front surface side from the rear face of the tabular part.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention provides Radar device mounting structure Regarding. [Background technology]

[0002] Conventionally, vehicles have been known that have a radar device for detecting objects such as other vehicles and buildings around the vehicle. Patent Document 1 discloses a vehicle body structure that includes a bracket attached to the front end of a body frame, a radar device supported by the bracket, and a cover that covers the front of the radar device. An emblem is formed on the front surface of the cover. The radar device is disposed in a mounting hole formed in a front grille that serves as a garnish. The cover is fitted into the mounting hole and disposed in front of the radar device. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2021-025849 Summary of the Invention [Problem to be solved by the invention]

[0004] Because garnishes and covers have manufacturing tolerances, it is difficult to completely eliminate the gap between the garnish mounting hole and the cover. Therefore, in order to improve the design of the garnish and cover, a clearance is sometimes provided from the beginning between the garnish mounting hole and the cover. However, providing a clearance between the garnish mounting hole and the cover can cause problems such as snow, dust, and other foreign matter to enter through the clearance and adhere to the radar device.

[0005] In view of the above background, the present invention Radar device mounting structure The present invention aims to provide a clearance between a garnish and a cover while suppressing the intrusion of foreign matter. [Means for solving the problem]

[0006] In order to solve the above problems, one aspect of the present invention is to ,car The device includes a garnish (2) provided on the outside of each vehicle, an adapter (7) connected to the garnish, a radar device (4) supported by the adapter, and a cover (8) connected to the garnish and covering the radar device. The garnish includes: A cylindrically formed radar mounting portion (5) and a garnish formed inside the radar mounting portion. A mounting hole (11) that penetrates from the outer surface to the inner surface; outer end surface of the radar mounting portion a first annular rib (12) protruding from the mounting hole and extending to surround the mounting hole; Outer end face and an annular surface (13) defined by the edge of the mounting hole and the first annular rib, teeth, The mounting hole Inside and the radar device is disposed in the mounting hole. Inside The cover is disposed inside the first annular rib, and has a plate-like portion (37) that covers the mounting hole and faces the inner surface of the first annular rib at its outer edge via a first clearance (C1), a plurality of restriction walls (44) that protrude from the back surface of the plate-like portion toward the annular surface, and locking claws (38, 39) that protrude from the back surface of the plate-like portion toward the mounting hole and are locked to the edge of the mounting hole. Radar device mounting structure .

[0007] According to this aspect, Radar device mounting structure In this case, a clearance can be provided between the garnish and the cover while suppressing the intrusion of foreign matter. The restricting wall suppresses the airflow between the cover and the annular surface, thereby suppressing the intrusion of foreign matter. Since the degradation of the radar device performance caused by the adhesion of foreign matter is suppressed, traffic safety is improved.

[0008] In the above aspect, the regulating wall may be positioned away from the outer edge portion of the plate-shaped portion, and the regulating wall, the outer edge portion of the plate-shaped portion, the first annular rib, and the annular surface may cooperate to form a retention chamber (46).

[0009] According to this aspect, the retention chamber can retain the foreign matter that has passed through the first clearance, thereby preventing the foreign matter from reaching the radar device.

[0010] In the above aspect, the tip of the restriction wall and the annular surface may face each other via a second clearance (C2), and the first clearance may be smaller than the second clearance.

[0011] According to this aspect, the restricting wall restricts the airflow between the cover and the annular surface, thereby making it possible to restrict the intrusion of foreign matter.

[0012] In the above aspect, the cover may be made of resin.

[0013] According to this aspect, radio wave transparency can be imparted to the cover.

[0014] In the above aspect, a seal (48) may be provided in a portion between the rear surface of the plate-shaped portion and the annular surface.

[0015] According to this aspect, it is possible to more reliably prevent foreign objects from reaching the radar device.

[0016] In the above aspect, the garnish may have a second annular rib (51) provided along the edge of the mounting hole and protruding toward the plate-like portion.

[0017] According to this aspect, it is possible to more reliably prevent foreign objects from reaching the radar device.

[0018] In the above aspect, the tip of the regulating wall may protrude into the interior of the mounting hole, and the distance between the side of the regulating wall and the edge of the mounting hole may be smaller than the distance between the back surface of the plate-shaped portion and the annular surface.

[0019] According to this aspect, it is possible to more reliably prevent foreign objects from reaching the radar device.

[0020] In the above aspect, the garnish may be a front grille, and an emblem may be formed on the plate-shaped portion.

[0021] Another aspect of the present invention is ,car The device includes a garnish (2) provided on the outside of each vehicle, an adapter (7) connected to the garnish, a radar device (4) supported by the adapter, and a cover (8) connected to the garnish and covering the radar device. The garnish includes: A cylindrically formed radar mounting portion (5) and a garnish formed inside the radar mounting portion. A mounting hole (11) that penetrates from the outer surface to the inner surface; outer end surface of the radar mounting portion a first annular rib (12) protruding from the mounting hole and extending to surround the mounting hole; Outer end face and an annular surface (13) defined by the edge of the mounting hole and the first annular rib, teeth, The mounting hole Inside and the radar device is disposed in the mounting hole. Inside The cover has a plate-like portion (37) facing the mounting hole and the annular surface, and an annular restricting wall (71) extending to surround the mounting hole is provided on one of the plate-like portion and the annular surface, and an annular recess (72) that receives a tip (71A) of the restricting wall is provided on the other of the plate-like portion and the annular surface. Radar device mounting structure .

[0022] According to this aspect, Radar device mounting structure In this case, a clearance can be provided between the garnish and the cover while suppressing the intrusion of foreign matter. The restricting wall suppresses the airflow between the cover and the annular surface, thereby suppressing the intrusion of foreign matter. Since the degradation of the radar device performance caused by the adhesion of foreign matter is suppressed, traffic safety is improved.

[0023] In the above embodiment, a seal (75) may be interposed between the tip of the regulating wall and the recess.

[0024] According to this aspect, it is possible to more reliably prevent foreign objects from reaching the radar device. [Effects of the Invention]

[0025] According to the above configuration, Radar device mounting structure In this case, it is possible to provide a clearance between the garnish and the cover while suppressing the intrusion of foreign matter. [Brief explanation of the drawings]

[0026] [Figure 1] 1 is a perspective view of a mounting structure for a radar device according to a first embodiment; [Figure 2] Perspective view of radar mounting section [Figure 3] Perspective view of the adapter [Figure 4] Rear view of radar mounting part and adapter [Figure 5] Front view of the adapter and radar device [Figure 6] Rear view of the cover [Figure 7] Rear perspective view of the cover [Figure 8] Cross-sectional view of the joint between the cover and radar mounting part [Figure 9] Cross-sectional view of the joint between the cover and radar mounting part [Figure 10] Cross-sectional view of the joint between the cover and the radar mounting portion according to the second embodiment. [Figure 11] Cross-sectional view of the joint between the cover and the radar mounting portion according to the third embodiment. [Figure 12] Cross-sectional view of the joint between the cover and the radar mounting portion according to the fourth embodiment. [Figure 13] 13 is a cross-sectional view of a joint portion between a cover and a radar mounting portion according to another example of the fourth embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0027] Hereinafter, with reference to the drawings, the present invention will be described. Radar device mounting structure In the following embodiment, Radar device mounting structure An example of applying this to a passenger car will be described.

[0028] (First embodiment) As shown in FIG. 1, a vehicle body structure 1 for a four-wheel vehicle has a front grille 2 as a garnish at the front of the vehicle. The front grille 2 is provided on the outside of the vehicle and constitutes part of the vehicle's outer shape. The front grille 2 extends left and right and up and down. The front grille 2 is located in the center of the front of the vehicle in the left-right direction. The front grille 2 may be connected to a front bumper face that forms the outer shell of the vehicle, and to left and right headlights. The front grille 2 may be formed from a resin material.

[0029] The front grille 2 has a plurality of air vents 3 penetrating from front to rear. The front grille 2 has a radar mounting portion 5 in its left-right center for mounting a radar device 4. The radar mounting portion 5 also serves as an emblem mounting portion for mounting a vehicle emblem. An adapter 7 is connected to the radar mounting portion 5, and the radar device 4 is supported on the adapter 7. A cover 8 that covers the radar device 4 is connected to the radar mounting portion 5. An emblem may be formed on the surface of the cover 8. The radar mounting portion 5, adapter 7, and cover 8 are made of resin. The cover 8 may be made of polypropylene, for example.

[0030] The radar device 4 detects objects present around the vehicle by emitting radio waves and measuring the reflected waves, and measures the distance and direction to the objects, i.e., the position of the objects relative to the radar device 4. The radio waves emitted by the radar device 4 may include millimeter waves and microwaves. The radar device 4 has a flat rectangular parallelepiped case 4A. The radar device 4 transmits and receives radio waves from the main surface of the case 4A. In this embodiment, the radar device 4 is supported by the radar mounting portion 5 so that the main surface faces forward. The case 4A is provided with an upper connecting piece 4B protruding upward from the top thereof and a pair of lower connecting pieces 4C protruding downward from the bottom thereof.

[0031] As shown in Figures 1 and 2, the radar mounting portion 5 is formed in a cylindrical shape with an axis extending in the front-rear direction. In this embodiment, the radar mounting portion 5 is formed in a rectangular cylindrical shape. A mounting hole 11 formed inside the radar mounting portion 5 penetrates from the outer surface to the inner surface of the front grille 2. The radar mounting portion 5 has a lower wall portion 5A that defines the lower part of the mounting hole 11, an upper wall portion 5B that defines the upper part of the mounting hole 11, and left and right side wall portions 5C that define the left and right side parts of the mounting hole 11.

[0032] The front end face of the radar mounting portion 5 is formed in an annular shape along the mounting hole 11. A first annular rib 12 is formed on the front end face of the radar mounting portion 5, protruding forward and extending to surround the mounting hole 11. The first annular rib 12 is disposed on the outer periphery of the front end face of the radar mounting portion 5. As a result, an annular surface 13 is formed on the inner periphery of the front end face of the radar mounting portion 5, which is defined by the edge of the mounting hole 11 and the first annular rib 12.

[0033] As shown in FIGS. 3 to 5 , the adapter 7 is coupled to the rear surface of the radar mounting portion 5 of the front grille 2 and is positioned opposite the mounting hole 11. The adapter 7 has a plate-shaped base portion 20 whose surface faces forward and backward, and an edge wall portion 21 that protrudes forward from the edge of the base portion 20 and extends along the edge. The base portion 20 and the edge wall portion 21 cooperate to form a receiving recess 22 for receiving the radar device 4. The base portion 20 is formed in a substantially rectangular shape when viewed from the front. The edge wall portion 21 has a pair of left and right side edge walls 21A that extend vertically along the left and right side edges of the base portion 20, an upper edge wall 21B that extends horizontally along the upper edge of the base portion 20 and is joined to the upper ends of the left and right side edge walls 21A, and a lower edge wall 21C that extends horizontally along the lower edge of the base portion 20 and is joined to the lower ends of the left and right side edge walls 21A.

[0034] A downwardly protruding connecting piece 23 is provided at the lower end of base portion 20. An upwardly protruding fastening piece 24 is provided at the upper end of base portion 20. A fastening hole 24A is formed in fastening piece 24, penetrating from front to rear.

[0035] A locking hole 26 is formed in the upper edge wall 21B, penetrating vertically. A plurality of locking portions 27 are provided on the front surface of the base portion 20, which forms the receiving recess 22. Each locking portion 27 is preferably formed by an elastic claw. Each locking portion 27 has a flexible cantilever beam 27A extending forward from the base portion 20, and a check claw 27B protruding laterally from the tip of each cantilever beam 27A. Each check claw 27B has a check surface facing the base portion 20. The base portion 20 is provided with a plurality of spring pieces 29 that protrude into the receiving recess 22.

[0036] As shown in Figure 4, a connecting hole 31 that receives the connecting piece 23 of the adapter 7 is provided at the rear end of the lower wall 5A of the radar mounting part 5. The connecting hole 31 passes through the lower wall 5A from top to bottom. A screw hole 32 that is recessed forward is formed at the rear end of the upper wall 5B of the radar mounting part 5.

[0037] The adapter 7 is connected to the radar mounting portion 5 by inserting the connecting piece 23 into the connecting hole 31 and fastening the fastening piece 24 to the rear end of the upper wall portion 5B of the radar mounting portion 5 with the screw 34. The screw 34 passes through the fastening hole 24A of the fastening piece 24 and threads into the threaded hole 32 at the rear end of the radar mounting portion 5. When the adapter 7 is connected to the radar mounting portion 5, the adapter 7 is positioned corresponding to the mounting hole 11. The edge wall portion 21 and the receiving recess 22 of the adapter 7 are positioned inside the radar mounting portion 5, i.e., within the mounting hole 11. The front end of the edge wall portion 21 is positioned rearward of the annular surface 13 of the radar mounting portion 5.

[0038] As shown in FIG. 5 , the radar device 4 is fitted into the receiving recess 22 of the adapter 7. The radar device 4 is supported in the receiving recess 22 by inserting the upper connecting piece 4B of the radar device 4 into the locking hole 26 of the upper edge wall 21B and locking the case 4A and the pair of lower connecting pieces 4C with the multiple locking portions 27. When the radar device 4 is supported on the adapter 7, the multiple spring pieces 29 urge the case 4A of the radar device 4 forward. This prevents the radar device 4 from rattling relative to the adapter 7. When the adapter 7 is connected to the radar mounting portion 5, the radar device 4 may be attached to the adapter 7 through the mounting hole 11 of the radar mounting portion 5. The radar device 4 is positioned at a position corresponding to the mounting hole 11. Specifically, the radar device 4 is positioned inside the mounting hole 11. The front surface of the case 4A of the radar device 4 is positioned rearward of the annular surface 13.

[0039] The cover 8 is coupled to the front end of the radar mounting portion 5 and covers the mounting hole 11. The cover 8 conceals the radar device 4 and the adapter 7. As shown in FIGS. 6 and 7 , the cover 8 has a plate-shaped portion 37 whose surface faces forward and backward, and a plurality of locking claws 38, 39 that protrude from the back surface of the plate-shaped portion 37 toward the mounting hole 11 and engage with the edge of the mounting hole 11. The plate-shaped portion 37 is disposed inside the first annular rib 12.

[0040] The multiple locking claws 38, 39 include at least one lower locking claw 38 provided on the lower part of the plate-shaped portion 37 and at least one upper locking claw 39 provided on the upper part of the plate-shaped portion 37. In this embodiment, the locking claws 38, 39 include two lower locking claws 38 and five upper locking claws 39.

[0041] Each lower locking claw 38 has a base 38A that protrudes rearward and a tip 38B that extends downward from the rear end of the base 38A. The base 38A extends in the left-right direction. The upper locking claw 39 has a plate-shaped base 39A that extends rearward and a resilient claw 39B that protrudes laterally from the base 39A. The resilient claw 39B is flexible and can be displaced relative to the base 38A.

[0042] As shown in Fig. 2, at least one lower locking hole 41 is formed in the lower wall portion 5A of the radar mounting portion 5, corresponding to the lower locking claw 38. Each lower locking hole 41 passes through the lower wall portion 5A in the vertical direction. Each lower locking hole 41 receives the tip portion 38B of the corresponding lower locking claw 38.

[0043] At least one upper locking hole 42 is formed in the upper wall 5B and the left and right side wall portions 5C of the radar mounting portion 5, corresponding to the upper locking claw 39. Each upper locking hole 42 formed in the upper wall portion 5B penetrates the upper wall portion 5B in the vertical direction. Similarly, each upper locking hole 42 formed in the left and right side wall portions 5C penetrates the side wall portion 5C in the horizontal direction.

[0044] As shown in FIG. 8 , the cover 8 is coupled to the radar mounting portion 5 by inserting each lower locking claw 38 into the corresponding lower locking hole 41 and engaging the elastic claw portion 39B of each upper locking claw 39 in the corresponding upper locking hole 42. As shown in FIG. 9 , when the cover 8 is coupled to the radar mounting portion 5, the outer edge portion 37A of the plate-shaped portion 37 faces the inner surface of the first annular rib 12 via a first clearance C1. The first clearance C1 is formed around the entire periphery of the outer edge portion 37A of the plate-shaped portion 37. Furthermore, the outer edge portion 37A on the back surface of the plate-shaped portion 37 faces the annular surface 13. That is, when viewed from the front, the outer edge portion 37A of the plate-shaped portion 37 overlaps with the annular surface 13.

[0045] 6 and 7, the cover 8 has a plurality of restriction walls 44 that protrude from the rear surface of the plate-shaped portion 37 toward the annular surface 13. As shown in Fig. 9, the tip of each restriction wall 44 faces the annular surface 13 via a second clearance C2. It is preferable that the first clearance C1 is smaller than the second clearance C2.

[0046] Each of the restriction walls 44 is preferably positioned away from the outer edge 37A of the plate-shaped portion 37. This allows the restriction walls 44, the outer edge 37A of the plate-shaped portion 37, the first annular rib 12, and the annular surface 13 to cooperate to form a retention chamber 46. The retention chamber 46 is preferably formed in an annular shape along the annular surface 13.

[0047] The plurality of restriction walls 44 may extend along the annular surface 13. Some of the restriction walls 44 may extend to connect adjacent lower locking claws 38 to each other. Furthermore, some of the restriction walls 44 may extend to connect adjacent lower locking claws 38 to portions of the upper locking claws 39. In this embodiment, the two lower locking claws 38 and the left and right upper locking claws 39 provided on the sides of the plate-shaped portion 37 are connected by the plurality of restriction walls 44 to form a continuous wall 47. The continuous wall 47 extends laterally along the lower portion of the plate-shaped portion 37, and its left and right ends extend upward. Furthermore, some of the plurality of restriction walls 44 may be disposed at intervals between adjacent upper locking claws 39. The plurality of restriction walls 44 may extend annularly along the annular surface 13. Furthermore, the plurality of restriction walls 44 may cooperate with the plurality of upper locking claws 39 and the plurality of lower locking claws 38 to form a continuous annular wall. Alternatively, the restricting wall 44 may be formed in an annular shape, and the plurality of upper locking claws 39 and the plurality of lower locking claws 38 may be disposed inside the restricting wall 44 .

[0048] A sealant 48 may be provided in a portion between the back surface of the plate-shaped portion 37 and the annular surface 13. As shown in FIG. 8 , the sealant 48 contacts the back surface of the plate-shaped portion 37 and the annular surface 13, filling the gap between the back surface of the plate-shaped portion 37 and the annular surface 13. In this embodiment, the sealant 48 extends left and right along the upper edge of the back surface of the plate-shaped portion 37. The sealant 48 may be, for example, a rubber foam material. The sealant 48 is disposed closer to the edge of the plate-shaped portion 37 than the upper locking claws 39 and the regulating wall 44. The left and right ends of the sealant 48 may extend downward. The left and right ends of the sealant 48 may be connected to the corresponding ends of the continuous wall 47. The sealant 48 may be adhered to the back surface of the plate-shaped portion 37.

[0049] According to the vehicle body structure 1 according to the first embodiment described above, the plurality of restricting walls 44 restrict airflow between the cover 8 and the annular surface 13, thereby restricting the intrusion of foreign matter. This allows the vehicle body structure 1 to provide a first clearance C1 between the first annular rib 12 and the cover 8 while restricting the intrusion of foreign matter. This suppresses degradation of the performance of the radar device 4 due to the adhesion of foreign matter, thereby improving traffic safety.

[0050] The retention chamber 46 can retain foreign matter that has passed through the first clearance C1, thereby preventing the foreign matter from reaching the radar device 4. Because the first clearance C1 is smaller than the second clearance C2, the restriction wall 44 can further restrict the airflow that flows between the cover 8 and the annular surface 13.

[0051] Because the cover 8 is made of resin, radio wave permeability can be imparted to the cover 8. This allows the radar device 4 to emit radio waves from the rear side of the cover 8 to the outside through the cover 8. The sealing material 48 can more reliably prevent foreign matter from reaching the radar device 4.

[0052] (Second embodiment) The vehicle body structure 50 according to the second embodiment differs from the vehicle body structure 1 according to the first embodiment in that a second annular rib 51 is provided on the annular surface 13. In the second embodiment, components similar to those according to the first embodiment are denoted by the same reference numerals and descriptions thereof will be omitted.

[0053] As shown in FIG. 10 , in a vehicle body structure 50 according to the second embodiment, the radar mounting portion 5 includes a second annular rib 51 that is provided along the edge of the mounting hole 11 and protrudes toward the plate-like portion 37. The second annular rib 51 is annularly formed along the mounting hole 11. The tip of the second annular rib 51 faces the rear surface of the plate-like portion 37 via a third clearance C3. The second annular rib 51 is positioned closer to the center of the plate-like portion 37 than the multiple restriction walls 44. The tip of the second annular rib 51 is positioned closer to the rear surface of the plate-like portion 37 than the tips of the restriction walls 44. The second annular rib 51 and the multiple restriction walls 44 cooperate to form a labyrinth structure. The labyrinth structure restricts airflow between the cover 8 and the annular surface 13 and prevents foreign matter from entering. The third clearance C3 is preferably smaller than the second clearance C2.

[0054] The plurality of restriction walls 44 may be provided along the outer edge 37A of the plate-shaped portion 37. With this configuration, the passage 53 defined by the outer edge 37A of the plate-shaped portion 37 and the inner surface of the first annular rib 12 can be extended rearward by the restriction walls 44. The passage 53 has a smaller cross-sectional area than the retention chamber 46 formed between the rear surface of the plate-shaped portion 37 and the annular surface 13, and therefore, the resistance of the airflow flowing between the radar mounting portion 5 and the cover 8 can be increased.

[0055] (Third embodiment) The vehicle body structure 60 according to the third embodiment differs from the vehicle body structure 1 according to the first embodiment in the positions of the plurality of restricting walls 44. In the third embodiment, the same components as those according to the first embodiment are denoted by the same reference numerals and the description thereof will be omitted.

[0056] As shown in FIG. 11 , in the third embodiment, the multiple restriction walls 44 are arranged in positions facing the mounting hole 11 when viewed from the front. The tips of the multiple restriction walls 44 protrude into the mounting hole 11. That is, the tips of the multiple restriction walls 44 are arranged rearward of the annular surface 13. The height of each restriction wall 44 is greater than the distance between the back surface of the plate-shaped portion 37 and the annular surface 13. The restriction walls 44 face the inner surfaces of the lower wall portion 5A, the upper wall portion 5B, and the side wall portion 5C via gaps. It is preferable that the distance between the side surface of the restriction wall 44 and the edge of the mounting hole 11 is smaller than the distance between the back surface of the plate-shaped portion 37 and the annular surface 13.

[0057] (Fourth embodiment) The vehicle body structure 70 according to the fourth embodiment is different from the vehicle body structure 1 according to the first embodiment in the configuration of the restricting wall 71. In the fourth embodiment, the same configurations as those according to the first embodiment are denoted by the same reference numerals and the description thereof will be omitted.

[0058] As shown in FIGS. 12 and 13 , in the fourth embodiment, a restriction wall 71 is provided on one of the plate-shaped portion 37 and the annular surface 13. The restriction wall 71 is formed in an annular shape and extends to surround the mounting hole 11. An annular recess 72 that receives the tip of the restriction wall 71 is provided on the other of the plate-shaped portion 37 and the annular surface 13. In the example shown in FIG. 12 , the restriction wall 71 is provided on the annular surface 13, and the recess 72 is provided on the outer edge portion 37A. The tip of the restriction wall 71 and the recess 72 form a curved flow path. In other words, the tip of the restriction wall 71 and the recess 72 form a labyrinth structure 73. It is preferable that the tip of the restriction wall 71 and the recess 72 are disposed with a clearance C2 therebetween.

[0059] The labyrinth structure 73 restricts airflow between the cover 8 and the annular surface 13, thereby restricting the intrusion of foreign matter. This allows the vehicle body structure 70 to provide a gap between the first annular rib 12 and the cover 8 while restricting the intrusion of foreign matter. Because the tip of the restricting wall 71 and the recess 72 do not contact each other, the generation of abnormal noise due to rattle is suppressed. Furthermore, degradation of the performance of the radar device 4 due to the adhesion of foreign matter is suppressed, thereby improving traffic safety.

[0060] In another example shown in FIG. 13, a restricting wall 71 is provided on the outer edge portion 37A, and a recess 72 is provided on the annular surface 13. A sealing material 75 may be interposed between the tip of the restricting wall 71 and the recess 72. The sealing material 75 may be made of a flexible material, similar to the sealing material 48. The sealing material 48 seals between the cover 8 and the annular surface 13, more reliably preventing foreign matter from reaching the radar device 4. The sealing material 75 also prevents the tip of the restricting wall 71 from colliding with the recess 72, thereby suppressing the generation of abnormal noise. The sealing material 75 may also be filled in the clearance C2 shown in FIG. 12.

[0061] Although the specific embodiment has been described above, the present invention is not limited to the above embodiment and can be widely modified. The shape of the radar mounting part 5 may be cylindrical instead of rectangular. The shape, number, and position of the locking claws 38, 39 for connecting the cover 8 to the radar mounting part 5 may be changed as appropriate. [Explanation of symbols]

[0062] 1, 50, 60, 70: Body structure 2: Front grille (garnish) 4: Radar equipment 5: Radar mounting part 7: Adapter 8: Cover 11: Mounting hole 12: First annular rib 13: Circular surface 20: Base part 21: Edge wall 22: Receiving recess 37: Plate-shaped part 37A: Outer edge 38: Lower locking claw 39: Upper locking claw 44: Regulatory barriers 46: Retention chamber 47: Continuous wall 48: Sealing material 51: Second annular rib 71: Regulatory barriers 72: Recess 75: Sealing material C1: First clearance C2: Second clearance C3: Third clearance

Claims

1. A garnish provided on the exterior of a vehicle; an adapter coupled to the garnish; a radar device supported by the adapter; a cover coupled to the garnish and covering the radar device, The garnish has a cylindrical radar mounting portion, a mounting hole formed inside the radar mounting portion and penetrating from the outer surface to the inner surface of the garnish, a first annular rib protruding from an outer end surface of the radar mounting portion and extending to surround the mounting hole, and an annular surface on the outer end surface defined by an edge of the mounting hole and the first annular rib, The adapter is disposed within the mounting hole, The radar device is disposed in the mounting hole, The cover is a mounting structure for a radar device, the mounting structure including a plate-like portion that is positioned inside the first annular rib and faces the inner surface of the first annular rib at its outer edge via a first clearance, and that covers the mounting hole; a plurality of restricting walls that protrude from the back surface of the plate-like portion toward the annular surface; and locking claws that protrude from the back surface of the plate-like portion toward the mounting hole and are engaged with the edge of the mounting hole.

2. the restriction wall is disposed away from the outer edge portion of the plate-like portion, 2. The mounting structure for a radar device according to claim 1, wherein the restricting wall, the outer edge of the plate-like portion, the first annular rib, and the annular surface cooperate to form a retention chamber.

3. a tip end of the restriction wall and the annular surface face each other with a second clearance therebetween; 2. The mounting structure for a radar device according to claim 1, wherein the first clearance is smaller than the second clearance.

4. 2. The radar device mounting structure according to claim 1, wherein the cover is made of resin.

5. The radar device mounting structure according to claim 1, wherein a seal material is provided between the rear surface of the plate-like portion and the annular surface.

6. 2. The radar device mounting structure according to claim 1, wherein the garnish has a second annular rib provided along the edge of the mounting hole and protruding toward the plate-like portion.

7. The tip of the restriction wall projects into the mounting hole, 2. The mounting structure for a radar device according to claim 1, wherein the distance between the side surface of the restricting wall and the edge of the mounting hole is smaller than the distance between the rear surface of the plate-like portion and the annular surface.

8. the garnish is a front grille, 8. The radar device mounting structure according to claim 1, wherein an emblem is formed on the plate-like portion.

9. A garnish provided on the exterior of a vehicle; an adapter coupled to the garnish; a radar device supported by the adapter; a cover coupled to the garnish and covering the radar device, The garnish has a cylindrical radar mounting portion, a mounting hole formed inside the radar mounting portion and penetrating from the outer surface to the inner surface of the garnish, a first annular rib protruding from an outer end surface of the radar mounting portion and extending to surround the mounting hole, and an annular surface on the outer end surface defined by an edge of the mounting hole and the first annular rib, The adapter is disposed within the mounting hole, The radar device is disposed in the mounting hole, the cover has a plate-like portion facing the mounting hole and the annular surface, an annular restriction wall is provided on one of the plate-like portion and the annular surface, the restriction wall extending to surround the mounting hole; A mounting structure for a radar device, wherein the other of the plate-shaped portion and the annular surface is provided with an annular recess that receives the tip of the restriction wall.

10. 10. The radar device mounting structure according to claim 9, wherein a sealant is interposed between the tip of the restriction wall and the recess.

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