JP4715879B2 - Sensor support structure - Google Patents

Description

  The present invention relates to a sensor support structure for supporting a sensor on a vehicle bumper.

  In recent years, an ultrasonic sensor is supported by a bumper in front of a vehicle, a predetermined ultrasonic pulse signal is transmitted from the ultrasonic sensor, and a reflected wave from an object is received, thereby detecting an obstacle existing ahead. A vehicle obstacle detection device is known. And as a support structure of the sensor which supports this ultrasonic sensor with respect to a bumper, there exists a thing of patent documents 1, for example.

  The sensor support structure in the vehicle bumper of Patent Document 1 includes a bezel portion, a main body housing portion, and a retainer clip. Here, a bezel part is provided with the cylindrical trunk | drum part fitted with the opening part formed in the bumper. The main body housing portion includes a protrusion that houses the sensor and exposes the detection surface of the sensor. The retainer clip is composed of a planar U-shaped plate member having a pair of insertion portions.

In such a sensor support structure, when the sensor is attached to the bumper, first, the body is inserted into the opening from the front side of the bumper. Next, a main body housing part is connected with a bezel part by inserting a protrusion part from the back side of a bumper to a body part. Thereby, a bezel part and a main part housing part are temporarily fixed via a bumper. When such temporary fixing is performed, the retainer clip is slid and inserted from the upper side to the lower side so that the protruding portion of the main body housing portion and the body portion of the bezel portion are sandwiched by the pair of insertion portions of the retainer clip. Thus, the sensor is supported with respect to the bumper by fitting the pair of insertion portions into the notch portion formed in the main body housing portion and the notch portion formed in the bezel portion, respectively. Yes.
JP 2008-26231 A

  However, in the sensor support structure as in Patent Document 1, when the body housing portion and the bezel portion are fitted together with the retainer clip under a situation where the space on the back side of the bumper cannot be sufficiently secured, the retainer clip Since it is difficult to secure a work space for inserting the sensor, the workability of attaching the sensor to the bumper may be deteriorated.

  An object of the present invention is to provide a sensor support structure capable of ensuring the workability of attaching a sensor to a bumper even under a situation where a space on the back side of the bumper cannot be sufficiently secured.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a cylindrical bezel portion that fits into an opening formed in a bumper, and a protrusion that houses a sensor and can be fitted into the bezel portion. And a retainer clip having a pair of insertion portions, and the bezel portion and the protruding portion are connected to each other in a state where the bezel portion and the protruding portion are fitted. In the sensor support structure for fixing the bezel part and the main body housing part to each other by inserting the retainer clip so as to be sandwiched by the insertion part, and supporting the sensor with respect to the bumper, The retainer clip is inserted so as to sandwich the protrusion in a state before the bezel portion and the protrusion are fitted, and the retainer clip is placed at a position different from the position where the protrusion is fixed. A temporary fixing means for temporarily fixing to the housing portion, and when the projecting portion and the bezel portion are fitted with the retainer clip and the main body housing portion being temporarily fixed, The gist is that escape portions for avoiding interference with the bezel portions are formed in the pair of insertion portions.

  According to this invention, the retainer clip can be temporarily fixed to the main body housing portion by the temporary fixing means before the bezel portion and the protruding portion are fitted. Further, even when the protruding portion and the bezel portion are fitted with the retainer clip temporarily fixed to the main body housing portion, the relief portion is formed in the retainer clip, so that the bezel portion It is possible to avoid obstructing the insertion path. Therefore, even if the retainer clip and the main body housing portion are temporarily fixed, the protruding portion and the bezel portion can be fitted. Then, in a state where the protruding portion and the bezel portion are fitted, the bezel portion and the main body housing are inserted by inserting the retainer clip to the fixed position so that the bezel portion and the protruding portion are sandwiched between the pair of insertion portions. The parts can be permanently fixed to each other to support the sensor with respect to the bumper. According to such a configuration, it is not necessary to secure a work space for inserting the retainer clip as in the background art. Therefore, even when the space on the back side of the bumper cannot be secured sufficiently, workability for attaching the sensor to the bumper can be ensured.

  According to a second aspect of the present invention, in the first aspect of the invention, the temporary fixing means includes a concave portion provided in one of the main body housing portion and the retainer clip and a convex portion provided in the other. The gist is that the retainer clip is temporarily fixed to the main body housing portion by fitting the concave portion and the convex portion.

  According to the present invention, the retainer clip is temporarily fixed to the main body housing portion by fitting the concave portion and the convex portion, so that, for example, when the sensor is attached to the bumper, the main body housing It is possible to prevent the portion from dropping off from the retainer clip.

  According to a third aspect of the present invention, in the first aspect of the present invention, the retainer clip is provided with a top plate on the side opposite to the insertion direction of the retainer clip, and the temporary fixing means is An insertion member that is inserted and arranged between a main body housing part and the top plate, wherein the retainer clip is temporarily fixed to the main body housing part by the arrangement of the insertion member. The gist.

  According to this invention, for example, it is not necessary to form a concave portion on one of the main body housing portion and the retainer clip and to form a convex portion on the other, and the die structure in the main body housing portion and the retainer clip can be simplified. it can.

  According to the present invention, it is possible to ensure the workability of attaching the sensor to the bumper even in a situation where the space on the back side of the bumper cannot be sufficiently secured.

  Hereinafter, an embodiment embodying the present invention will be described with reference to FIGS. FIG. 1A is an exploded perspective view showing a support structure of a sensor used in a vehicle obstacle detection device for detecting an object existing in a predetermined detection region (for example, a vehicle front region) in the present embodiment. It is. For example, an ultrasonic sensor is used as such a sensor. The ultrasonic sensor is installed, for example, in a bumper at the front end of the vehicle, transmits a predetermined ultrasonic pulse signal, and receives a reflected wave from an object. Output to the object detection device. In the vehicle obstacle detection device, it is possible to process a signal from the ultrasonic sensor and recognize the distance to the obstacle, for example.

  As shown in FIG. 1A, an ultrasonic sensor (hereinafter simply referred to as a “sensor”) includes an ultrasonic microphone M that transmits and receives an ultrasonic pulse signal, a processing circuit, and a signal from the processing circuit through a wire harness. And a connector portion that outputs to the vehicle obstacle detection device via the main body housing portion 10. The main body housing portion 10 is fitted into the bezel portion 20 that is inserted and fitted into the opening 2 of the bumper 1 from the front surface side by being inserted from the back surface side of the bumper 1. Then, the bezel part 20 and the main body housing part 10 are permanently fixed to each other by the retainer clip 30 to support the sensor with respect to the bumper 1.

  First, the main body housing part 10 will be described. The main body housing portion 10 includes a housing portion 11 that accommodates a processing circuit and the like. On the front surface 11a of the housing portion 11, a protruding portion 13 made of a cylindrical member is linearly provided in a direction orthogonal to the front surface 11a. A housing part for housing the ultrasonic microphone M is formed inside the protruding part 13, and the ultrasonic microphone M is housed in a state where the transmission / reception surface (detection surface) is exposed from the opening area of the housing part. Yes. The ultrasonic microphone M is held inside the protrusion 13 by a holding rubber 19 (see FIG. 4C). Further, a claw portion 18 is formed on the upper portion of the outer peripheral surface of the protruding portion 13.

  On the front surface 11 a of the housing part 11, a pair of side wall parts 14 are formed around the protruding part 13. Each of the pair of side wall portions 14 has an arc shape surrounding the outer peripheral surface of the protruding portion 13, and the bezel portion 20 can be inserted between the outer peripheral surface of the protruding portion 13 and the inner peripheral surface of the side wall portion 14. A gap is provided. A cutout portion 15 into which the retainer clip 30 is slidably inserted is formed on each of the outer peripheral surfaces of the pair of side wall portions 14 so as to extend in the vertical direction of the side wall portion 14, and guides the insertion of the retainer clip 30. A rail portion 16 is formed along the notch portion 15. The notch 15 is formed so as to penetrate from the outer peripheral surface of the side wall portion 14 toward the inner peripheral surface, and a part of the retainer clip 30 is inserted when the retainer clip 30 is inserted to the main fixing position. Is exposed between the outer peripheral surface of the protruding portion 13 and the inner peripheral surface of the side wall portion 14.

  In addition, on the front surface 11 a of the housing portion 11, a temporary fitting convex portion 17 that constitutes a temporary fixing means that protrudes in the same direction as the protruding direction of the protruding portion 13 is provided. The temporary fitting convex portions 17 are formed integrally with the main body housing portion 10 and are provided one by one so as to be positioned on the outer peripheral surface side of each of the pair of side wall portions 14.

  Next, the bezel part 20 will be described. The bezel part 20 that supports the main body housing part 10 on the bumper 1 is inserted into the opening 2 of the bumper 1 from the front side and fitted to the opening 2, and the edge of the fuselage 21. And a ring-shaped facer portion 22 formed in the shape. The facer part 22 is a flange-shaped member that is widened by a predetermined width outward at one end of the body part 21.

  The body part 21 is a cylindrical member, and the outer peripheral shape thereof has a shape that substantially corresponds to the opening 2 of the bumper. Here, the bumper 1 will be described. The opening 2 of the bumper 1 is formed with a rib portion 2a in which a part of the periphery of the opening protrudes in the center direction. In the present embodiment, two rib portions 2a are formed. Is formed. Therefore, corresponding to these rib portions 2a, the body portion 21 does not have a completely cylindrical shape continuous in the circumferential direction, and the guide groove 23 extending in the axial direction is formed on the rib portion 2a. It is formed corresponding to the number and position. Therefore, the bezel portion 20 has the rib portion 2a and the body portion only when the guide groove 23 formed in the body portion 21 and the rib portion 2a formed in the opening 2 of the bumper 1 correspond to each other in position. 21 is inserted into the opening 2 without interference.

  The outer peripheral surface of the body portion 21 is engaged with the edge portion of the opening portion 2 when the bezel portion 20 is inserted into the opening portion 2 of the bumper 1 at a plurality of locations (in the present embodiment, the upper and lower two locations). A claw portion 24 is formed. A notch is provided around the claw portion 24, and the bezel portion 20 can be attached to and detached from the opening 2 by displacing the claw portion 24 in the radial direction (inner side).

  Moreover, the trunk | drum 21 is equipped with the hollow area | region where the inside penetrated to the axial center direction. Since the shape of the inner peripheral surface of the body portion 21 corresponds to the outer peripheral shape of the protruding portion 13 of the main body housing portion 10, the protruding portions 13 of the main body housing portion 10 are inserted into this hollow region to be fitted to each other. To do. Further, the body portion 21 is formed with an opening 25 that engages with the claw portion 18 of the protruding portion 13. Further, when the main body housing portion 10 and the bezel portion 20 are fitted to the outer peripheral surface of the body portion 21, the retainer clip 30 is located at a position corresponding to the notch portion 15 in the side wall portion 14 of the main body housing portion 10. A cutout portion 26 to be slid is formed so as to extend in the circumferential direction of the body portion 21.

  Next, the retainer clip 30 will be described. The retainer clip 30 is a substantially U-shaped plate-like member that includes a pair of insertion portions 31 extending in the vertical direction of the retainer clip 30 (the direction of the arrow Y shown in FIG. 1A). An arm portion 32 is provided on the surface side of the pair of insertion portions 31 (surface facing the bumper 1). The arm portion 32 is a plate-like member formed integrally with the pair of insertion portions 31 and extends from the surface of the pair of insertion portions 31 while curving in a direction perpendicular to the vertical direction of the retainer clip 30. Exist. In the present embodiment, four arm portions 32 are provided on the retainer clip 30, and each arm portion 32 has a main body when the retainer clip 30 is slid and inserted into the notch portion 15 in the main body housing portion 10. The layout is located around the protrusion 13 of the housing 10. A top plate 33 is provided on the upper part of the retainer clip 30 (on the side opposite to the insertion direction of the pair of insertion portions 31) so as to extend in a direction perpendicular to the vertical direction of the retainer clip 30.

  Further, as shown in FIG. 1 (b), each of the rear surfaces of the retainer clip 30 and the rear surfaces of the pair of insertion portions 31 can be fitted with the temporary fitting convex portion 17 in the main body housing portion 10. A temporary fitting recess 35 constituting temporary fixing means is provided. Further, on the back surface of the pair of insertion portions 31, a main fitting concave portion 36 that can be fitted to the temporary fitting convex portion 17 is provided above the temporary fitting concave portion 35. The temporary fitting concave portion 35 and the main fitting concave portion 36 are formed integrally with the retainer clip 30 and are provided on the same straight line in the vertical direction of the retainer clip 30.

  Further, the retainer clip 30 is formed with relief portions 37 on the inner side surfaces of the pair of insertion portions 31 and at positions facing the respective temporary fitting recesses 35. The escape portion 37 is formed to be recessed from the inner side surface to the outer side surface of the pair of insertion portions 31 and has a trapezoidal shape in plan view. The escape portion 37 is formed such that both side walls 37a and 37b are inclined with respect to the bottom wall 37c so that the width increases from the bottom to the open side. The relief portion 37 is recessed so that the body portion 21 of the bezel portion 20 can be inserted between the inner side surfaces of the pair of insertion portions 31.

  In such a sensor support structure, when the sensor is attached to the bumper 1, first, as shown in FIG. 2, the pair of insertion portions 31 in the retainer clip 30 sandwich the protruding portion 13 of the main body housing portion 10. As described above, this is slid and inserted along the rail portion 16 of the main body housing portion 10 from above to below. Thereby, as shown in FIG. 3, the temporary fitting concave portion 35 of the pair of insertion portions 31 and the temporary fitting convex portion 17 of the main body housing portion 10 are fitted, and the retainer clip 30 is attached to the main body housing portion 10. Thus, it is temporarily fixed at a position different from the main fixing position. In a state where the retainer clip 30 is temporarily fixed to the main body housing portion 10, a temporary fitting concave portion 35 and a main fitting concave portion are provided between the upper surface of the main body housing portion 10 and the back surface of the top plate 33 of the retainer clip 30. A gap S corresponding to the width of the gap 36 is provided.

  Next, the body portion 21 of the bezel portion 20 is inserted into the opening portion 2 from the front side of the bumper 1 so that the guide groove 23 of the body portion 21 and the rib portion 2a of the opening portion 2 correspond to each other in position. . When the body part 21 is inserted into the opening part 2, the bezel part 20 is fitted into the opening part 2 of the bumper 1 by engaging the claw part 24 of the body part 21 with the edge part of the opening part 2. It becomes. Further, when the body portion 21 is inserted into the opening portion 2, the facer portion 22 covers the periphery of the opening portion 2 by contacting the bumper 1.

  Further, in a state where the retainer clip 30 is temporarily fixed to the main body housing portion 10, the bezel portion 20 fitted in the opening 2 of the bumper 1 has a main body housing with respect to the hollow region of the body portion 21. The protruding portion 13 of the portion 10 is inserted from the back side of the bumper 1. Here, even if the retainer clip 30 is temporarily fixed to the main body housing portion 10, the pair of insertion portions 31 in the retainer clip 30 is formed with the relief portion 37. It can avoid that the insertion part 31 obstructs the insertion path | route of the trunk | drum 21 of the bezel part 20. FIG. Therefore, the protruding portion 13 can be inserted from the back side of the bumper 1 into the hollow region of the body portion 21 in a state where the retainer clip 30 is temporarily fixed to the main body housing portion 10.

  When the protruding portion 13 is inserted into the body portion 21, the claw portion 18 of the protruding portion 13 engages with the opening portion 25 of the body portion 21, and thereby, as shown in FIGS. Thus, the bezel portion 20 and the main body housing portion 10 are connected to each other. In FIG. 4A, the bumper 1 is omitted for convenience of explanation. The main body housing part 10 can project signals from the front side of the vehicle and receive reflected waves by projecting the projecting part 13 from the back side to the front side of the bumper 1.

  As shown in FIG. 4C, when the protruding portion 13 is inserted into the bezel portion 20, the side wall portion 14 of the main body housing portion 10 covers the outer periphery of the bezel portion 20. Further, the pair of insertion portions 31 in the retainer clip 30 and the notches 26 in the bezel portion 20 are not fitted.

  Next, in such a state, the retainer clip 30 is pressed downward by an operator's hand so that the pair of insertion portions 31 in the retainer clip 30 are further slid and inserted downward. As a result, the temporary fitting recesses 35 of the pair of insertion portions 31 are disengaged from the temporary fitting convex portions 17 of the body housing portion 10, and the main fitting recesses 36 of the pair of insertion portions 31 are temporarily attached to the body housing portion 10. It is fitted with the fitting convex part 17. Accordingly, as shown in FIG. 5C, the pair of insertion portions 31 are respectively fitted into the cutout portion 15 of the main body housing portion 10 and the cutout portion 26 of the bezel portion 20. As a result, as shown in FIG. 5B, the tip 32a of the arm 32 abuts against the bumper 1, and the force acts flexibly from the tip 32a of the arm 32 to the bumper 1. A biasing force is applied from the retainer clip 30 side to the bumper 1 by the elastic force of the portion 32. Thereby, the retainer clip 30 suppresses the looseness etc. which arise in the notch parts 15 and 26 by the reaction force to the retainer clip 30 side, and the main body housing part 10 and the bezel part 20 are permanently fixed. In this way, the sensor is supported with respect to the bumper 1. In FIG. 5A, the bumper 1 is omitted for convenience of explanation.

  According to such a sensor support structure, before the bezel portion 20 and the protruding portion 13 are fitted, the temporary fitting convex portion 17 and the temporary fitting concave portion 35 are fitted, whereby the retainer clip 30. Can be temporarily fixed to the main body housing portion 10. Therefore, even when the space on the back side of the bumper 1 cannot be secured sufficiently, it is not necessary to secure a work space for inserting the retainer clip 30.

In the above embodiment, the following effects can be obtained.
(1) The retainer clip 30 can be temporarily fixed to the main body housing portion 10 by fitting the temporary fitting convex portion 17 and the temporary fitting concave portion 35. Further, when the retainer clip 30 is temporarily fixed to the main body housing portion 10 by forming the relief portion 37 in the retainer clip 30, the bezel portion can be fitted into the bezel portion 20. It is possible to avoid obstructing the insertion path of the 20 body portions 21. Therefore, even if the retainer clip 30 is temporarily fixed to the main body housing portion 10, the protruding portion 13 and the bezel portion 20 can be fitted. Then, in a state where the protruding portion 13 and the bezel portion 20 are fitted, the retainer clip 30 is inserted to the fixed position so that the bezel portion 20 and the protruding portion 13 are sandwiched by the pair of insertion portions 31. The bezel part 20 and the main body housing part 10 can be permanently fixed to each other to support the sensor with respect to the bumper 1. Therefore, it is not necessary to secure a work space for inserting the retainer clip 30 as in the background art even in a situation where a sufficient space on the back side of the bumper 1 cannot be secured, and the sensor is mounted on the bumper 1. The workability for mounting can be ensured.

  (2) The retainer clip 30 is temporarily fixed to the main body housing portion 10 by fitting the temporary fitting convex portion 17 and the temporary fitting concave portion 35. For example, the sensor is used as a bumper. When attaching, the main body housing part 10 can be prevented from dropping off from the retainer clip 30.

  (3) Since the retainer clip 30 can be temporarily fixed to the main body housing portion 10, the main body housing portion 10 and the retainer clip 30 can be delivered in a form configured as one part. Therefore, the user does not need to perform the work of assembling the retainer clip 30 to the main body housing part 10, and can perform the work of fitting the main body housing part 10 with the bezel part 20 in the delivered state, so that the sensor can be used as a bumper. The workability of attaching to 1 is improved.

In addition, you may change the said embodiment as follows.
In the embodiment shown in FIG. 6, spacers 50 (members shown with diagonal lines in FIG. 6) as insertion members are placed on the upper surface of the main body housing portion 10. In this state, the pair of insertion portions 31 in the retainer clip 30 are slid and inserted from above to below along the rail portion 16 of the main body housing portion 10 so as to sandwich the protruding portion 13 of the main body housing portion 10. Thereby, the back surface of the top plate 33 and the spacer 50 come into contact with each other, and the retainer clip 30 is temporarily fixed to the main body housing portion 10. Therefore, the spacer 50 functions as a temporary fixing means for temporarily fixing the retainer clip 30 to the main body housing portion 10. Further, when the main body housing portion 10 and the bezel portion 20 are permanently fixed, the pair of insertion portions 31 are slid and inserted downward by removing the spacer 50 and the pair of insertion portions 31 are finally fitted. The combination recess 36 is fitted with the temporary fitting convex portion 17 of the main body housing portion 10. Therefore, the main body housing portion 10 and the bezel portion 20 are permanently fixed. The vertical thickness of the spacer 50 in this embodiment is a thickness corresponding to the interval width between the temporary fitting recess 35 and the main fitting recess 36 in the above embodiment, and this thickness is the gap S. Have the same width. According to this, since it is not necessary to provide the recessed part 35 for temporary fitting like the said embodiment in the retainer clip 30, the metal mold | die structure in the retainer clip 30 can be simplified. Further, the insertion member is not limited to the spacer 50, and may be a member used to fasten a stacked member such as a rivet, for example.

  In the embodiment shown in FIG. 7, the retainer clip 30 is formed with relief portions 60 on the inner side surfaces of the pair of insertion portions 31 and at positions facing the respective temporary fitting recesses 35. . The relief portion 60 is configured as a notch formed from the inner side surface to the outer side surface of the pair of insertion portions 31. The relief portion 60 is formed from a position facing each of the temporary fitting concave portions 35 to the tips of the pair of insertion portions 31. That is, the shape of the relief portion 37 in the above embodiment is not limited to a trapezoidal shape in plan view, and is cut out from a position facing each of the temporary fitting recesses 35 as in this embodiment to the tips of the pair of insertion portions 31. It may be a certain shape.

  As a configuration for temporarily fixing the main body housing portion 10 and the retainer clip 30, a temporary fitting recess 35 is formed in the retainer clip 30, and an insertion member is placed on the upper surface of the main body housing portion 10. Good.

  ○ A convex portion is formed on the back surface side of the pair of insertion portions 31, a concave portion is formed on the front surface 11 a of the housing portion 11, and the convex portion and the concave portion are fitted, whereby the retainer clip 30 is attached to the main body. You may make it temporarily fix with respect to the housing part 10. FIG.

  The provisional fitting recess 35 is formed in each of the pair of insertion portions 31, but the provisional fitting recess 35 may be formed only in one of the pair of insertion portions 31.

(A) is a disassembled perspective view which shows the support structure of the sensor in this embodiment, (b) is a perspective view which shows a retainer clip from the back surface side. The perspective view which shows the state at the time of a retainer clip being temporarily fixed with respect to a main body housing part. The perspective view which shows the state at the time of a main body housing part and a bezel part fitting. (A) is a perspective view showing a state where the main body housing portion and the bezel portion are fitted, (b) is a side view showing a state where the main body housing portion and the bezel portion are fitted, and (c) is FIG. AA sectional view taken on the line in (b). (A) is a perspective view showing a state in which the main body housing portion and the bezel portion are permanently fixed by a retainer clip, (b) is a side view showing a state in which the main body housing portion and the bezel portion are permanently fixed by a retainer clip, (C) is the BB sectional drawing in FIG.5 (b). The side view which shows the state by which the retainer clip in another embodiment was temporarily fixed with respect to the main body housing part. The perspective view which shows the retainer clip in another embodiment from the back surface side.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Bumper, 2 ... Opening part, 10 ... Main body housing part, 13 ... Projection part, 17 ... Temporary fitting convex part which comprises temporary fixing means, 20 ... Bezel part, 30 ... Retainer clip, 31 ... Pair of insertion , 33... Top plate, 35... Temporary fitting concave portion constituting temporary fixing means, 37, 60... Relief portion, 50.

Claims (3)

A cylindrical bezel portion that fits into an opening formed in the bumper, a main body housing portion that houses a sensor and has a protrusion that can be fitted with the bezel portion, and a retainer that has a pair of insertion portions A clip,
In the state where the bezel portion and the protruding portion are fitted, the bezel portion and the main body are inserted by inserting the retainer clip so as to sandwich the bezel portion and the protruding portion between the pair of insertion portions. In the support structure of the sensor for fixing the housing part to each other and supporting the sensor with respect to the bumper,
The retainer clip is inserted so as to sandwich the protruding portion before the bezel portion and the protruding portion are fitted, and the retainer clip is inserted into the main body housing portion at a position different from the fixed position. In addition to provisional fixing means for temporarily fixing,
In a state where the retainer clip and the main body housing portion are temporarily fixed, when the projecting portion and the bezel portion are fitted, a relief portion that avoids interference with the bezel portion is the pair of insertion portions. A support structure for a sensor, wherein the sensor support structure is formed.   The temporary fixing means is composed of a concave portion provided in one of the main body housing portion and the retainer clip and a convex portion provided in the other, and the concave portion and the convex portion are fitted together. The sensor support structure according to claim 1, wherein the retainer clip is temporarily fixed to the main body housing portion. The retainer clip is provided with a top plate on the side opposite to the insertion direction of the retainer clip,
The temporary fixing means is an insertion member that is inserted and disposed between the main body housing portion and the top plate, and the retainer clip is arranged with respect to the main body housing portion by the insertion member being disposed. The sensor support structure according to claim 1, wherein the sensor support structure is temporarily fixed.

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