Mounting parts

The U-shaped mounting member with distributed load-bearing capabilities addresses the issue of deformation in resin member attachments by enhancing rigidity and durability through force distribution and angled deformation, ensuring stability under large loads.

JP7891402B2Active Publication Date: 2026-07-16INOAC CORP

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
INOAC CORP
Filing Date
2022-09-26
Publication Date
2026-07-16

AI Technical Summary

Technical Problem

Existing mounting structures for attaching long resin members to vehicle bodies are prone to deformation under applied forces, particularly at stress concentration points, leading to a risk of deformation and reduced durability.

Method used

A mounting member with a U-shaped base, holding portions, and connecting portions that distribute load-bearing capacity, allowing for increased rigidity and deformation at specific angles to absorb forces, minimizing stress concentration.

Benefits of technology

The mounting member enhances the load-bearing capacity and durability of the mounting structure by distributing applied forces and preventing excessive stress concentration, ensuring the structure remains stable under large loads.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To provide an attachment member which improves the load capacity of an attachment structure which attaches an attachment object to an attachment destination.SOLUTION: An attachment member 10 is an attachment member for attaching an attachment object (a rear spoiler 20) to an attachment destination (a vehicle body 30) by a fixing member (a fastening member 40). The attachment member 10 includes: a base part 11 formed in a U shape in a plan view, having an opening 12 at the inner side, and fixed to the rear spoiler 20; a holding part 13 which is formed at a peripheral edge part of the opening 12 and holds a held part 41d of the fastening member 40; and a connection part 14 which connects both ends at the opening side of the base part 11 with each other.SELECTED DRAWING: Figure 5A
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Description

Technical Field

[0001] The present invention relates to an attachment member.

Background Art

[0002] As an attachment member, Patent Document 1 discloses a resin member attachment structure in which a resin member 30 (a long resin member) is attached to a trunk hood 21 (a vehicle body) by a fixing member 50. In this resin member attachment structure, a first attachment portion 26 for fixing one end portion 51 of the fixing member 50 is provided on the trunk hood 21. One end portion 51 of the fixing member 50 is formed in a flat plate shape and fastened to the trunk hood 21 by a bolt 63. On the resin member 30, a second attachment portion 41 for locking the other end portion 52 of the fixing member 50 in a relatively movable manner in the longitudinal direction of the resin member 30 is provided at a position offset in the longitudinal direction of the resin member 30 with respect to the first attachment portion 26. The second attachment portion 41 includes a rectangular opening 42, two opposing edges 43, 43 along the longitudinal direction of the resin member 30 in the opening 42, a passage opening 44 formed adjacent to these edges 43, 43 and the opening 42, and convex portions 45, 45 protruding in the vicinity of the opening 42 of the edges 43, 43.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the mounting member disclosed in Patent Document 1 mentioned above, although it is possible to attach a long resin member (object to be attached) to the vehicle body (attachment destination), if a (relatively large) force is applied to the resin member, a load is placed on the resin member mounting structure and, consequently, on the resin member. As the applied force increases, the load also increases, and there is a risk that the resin member may deform. In particular, there is a risk of deformation in parts of the resin member where stress tends to concentrate, for example, around the opening 42 of the second mounting portion 41 of the resin member 30.

[0005] The present invention was made to solve the above-mentioned problems, and aims to provide a mounting member that increases the load-bearing capacity of a mounting structure to which an object to be mounted is attached. [Means for solving the problem]

[0006] To solve the above problems, the mounting member according to the present invention is a mounting member for attaching an object to be attached to a mounting site by a fixing member, characterized in that the mounting member comprises a base portion formed in a U shape in plan view and having an opening on the inside, which is fixed to the object to be attached, a holding portion formed on the peripheral edge of the opening and holding the part to be held by the fixing member, and a connecting portion connecting both ends of the base portion on the opening side.

[0007] According to the mounting member of this invention, the fixing member is held by a holding portion formed on the periphery of the opening at the base of the mounting member, and the base of the mounting member holding the fixing member is fixed to the object to be mounted, thereby enabling the object to be mounted to the mounting site by the mounting member. At this time, the openings at both ends of the base of the mounting member are connected by connecting portions, so it is possible to increase the rigidity of both ends on the opening side of the U-shaped base. Furthermore, the periphery of the opening at the base can be closed all around, which increases the rigidity of the mounting member. As a result, the load-bearing capacity of the mounting member can be increased, and consequently, the load-bearing capacity of the mounting structure in which the object to be mounted is attached to the mounting site by the mounting member can be increased.

[0008] Furthermore, in the mounting member according to the present invention, it is preferable that the mounting member further comprises a wall portion that is connected to the base portion, is capable of contacting the object to be mounted, and receives the force applied to the mounting member at the contact portion. This makes it possible to receive the force applied to the mounting member not only at the base portion but also at the wall portion, that is, to distribute and receive the applied force at multiple locations (increasing the receiving area), thereby making it possible to further increase the load-bearing capacity.

[0009] Furthermore, in the mounting member according to the present invention, it is preferable that the connecting portion is provided at a predetermined angle with respect to the base portion, and that an opening for a fixing member is provided through which a part of the fixing member can be inserted. This makes it possible to achieve both miniaturization of the mounting member and high load capacity.

[0010] As described above, since both ends of the base on the open side are connected by a connector, it is possible to increase the rigidity of the mounting member. In this case, when the mounting member (base) is difficult to deform (high rigidity), even if a large force is applied to the object to be mounted, the base holding the object will not deform easily. However, because stress is concentrated too much in a relatively narrow area around (boundary of) the part being held, there was a risk that the object to be mounted would deform and eventually break at this point. In other words, the energy of the load applied to the object to be mounted is hardly absorbed by the deformation of the mounting member, and is absorbed only by the deformation of the object to be mounted, so there was a risk that the durability of the entire mounting structure would deteriorate.

[0011] In contrast, in the mounting member according to the present invention, the predetermined angle is preferably 5 to 85 degrees. This makes it possible to make the connection part more easily deformable by making the rigidity of the connection part weaker than other parts (such as the base). Therefore, by making a part (deformable part) of the mounting member, which is rigid overall, more easily deformable, when a large force is applied to the object to be mounted, the deformation of the mounting member (base) can be started from the deformable part, thereby preventing excessive stress concentration in a predetermined part of the object to be mounted (a relatively narrow range around the periphery (boundary) of the part being held down). Therefore, the energy of the load applied to the object to be mounted is absorbed by the appropriate deformation of the mounting member and by the deformation of the object to be mounted, that is, it is absorbed appropriately by both members, so the durability of the entire mounting structure can be increased.

[0012] Furthermore, in the mounting member according to the present invention, it is preferable that the connecting portion has a deformable portion that is more easily deformed than other parts. This makes it possible to make the connecting portion more easily deformable by making the rigidity of the connecting portion weaker than that of other parts (such as the base). Therefore, by making a part (deformable portion) of the mounting member, which is rigid overall, easily deformable, when a large force is applied to the object to be mounted, the deformation of the mounting member (base) can be started from the deformable portion, thereby preventing excessive stress concentration in a predetermined part of the object to be mounted (a relatively narrow range around the periphery (boundary) of the part being held down). Therefore, the energy of the load applied to the object to be mounted is absorbed by the appropriate deformation of the mounting member and by the deformation of the object to be mounted, that is, it is appropriately absorbed by both members, so the durability of the entire mounting structure can be increased.

[0013] Furthermore, in the mounting member according to the present invention, the fixing member is preferably a fastening member. This makes it possible to provide a mounting structure in which the object to be mounted is attached to the mounting site with a simple configuration and easy installation work.

[0014] Furthermore, the mounting structure according to the present invention is characterized by comprising the object to be mounted, the mounting destination, the fixing member, and the mounting member described above. The mounting structure according to this invention also makes it possible to obtain the same functions and effects as the mounting member described above.

[0015] Furthermore, the automotive mounting member according to the present invention is characterized by attaching the automotive member to the vehicle body. The automotive mounting member according to this invention can also provide the same functions and effects as the mounting member described above. [Effects of the Invention]

[0016] This invention makes it possible to provide a mounting member that increases the load-bearing capacity of a mounting structure to which an object to be mounted is attached. [Brief explanation of the drawing]

[0017] [Figure 1] This is a rear perspective view showing one embodiment of a vehicle body 30 to which the mounting member 10 according to the present invention is applied. [Figure 2] Figure 1 is a partially enlarged bottom view showing a portion of the rear spoiler 20, enclosed by a thin solid line. [Figure 3] Figure 2 is a partially enlarged perspective view of a portion of the area shown (including the mounting member fixing portion 23). [Figure 4A] This is a cross-sectional view along line 4-4 shown in Figure 2. [Figure 4B] This is a partially enlarged cross-sectional view showing a portion of the cross-sectional view shown in Figure 4A (including the mounting member 10, nut member 41, and mounting member fixing part 23). [Figure 5A] This is an external perspective view showing the mounting member 10 according to the present invention. [Figure 5B] This is an end view along the line 5B-5B shown in Figure 5A. [Figure 5C] This is an end view showing a modified mounting member 10. [Figure 6] This is an external perspective view showing a modified mounting member 110. [Figure 7]It is an external perspective view showing the attachment member 210 according to a modification. [Figure 8] It is an external perspective view showing the attachment member 310 according to a modification. [Figure 9] It is an external perspective view showing the attachment member 410 according to a modification.

Embodiments for Carrying out the Invention

[0018] Hereinafter, an embodiment of the attachment member and the attachment structure according to the present invention will be described with reference to the drawings. However, the present invention is not limited to this embodiment, and can be implemented in various forms with various changes and improvements based on the knowledge of those skilled in the art.

[0019] The attachment member 10 is a member for attaching a rear spoiler 20, which is an attachment object, to a vehicle body 30, which is an attachment destination, by a fastening member 40, which is a fixing member. As shown in FIG. 1, the rear spoiler 20 is attached to the upper part of a back door 32 that is continuous with a roof part 31 of the vehicle body 30, is located behind the roof part 31, and is provided so as to extend rearward from the back door 32. The rear spoiler 20 is formed in a horizontally long shape that is substantially the same size as the left - right width of the upper part of the back door 32, and is formed in an elongated shape in which the width in the vehicle front - rear direction is shorter than the left - right width.

[0020] Note that the attachment object is not limited to the rear spoiler 20, and is preferably an automotive member such as an exterior member for an automobile like a front spoiler or an interior member for an automobile. The attachment object is not limited to a synthetic resin material, and a composite material such as carbon fiber reinforced plastic may be employed. Also, when the attachment object is an automotive member, the attachment destination is the vehicle body, but is not limited to this, and the main body of an electric appliance such as a printer, a personal computer, or a television may be employed. Further, the attachment member 10 is preferably an automotive attachment member for attaching an automotive member to the vehicle body 30. Also, the fixing member is not limited to the fastening member 40, and a rivet or an engaging member having concavities and convexities that engage with each other may be employed.

[0021] The mounting structure 60 is a mounting structure for attaching the rear spoiler 20, which is the object to be attached, to the vehicle body 30, which is the mounting destination, using fastening members 40 and mounting members 10, which are fixing members. The mounting structure 60 comprises the rear spoiler 20 (object to be attached), the vehicle body 30 (mounting destination), fastening members 40 (fixing members), and mounting members 10.

[0022] As shown in Figures 2 to 4, the rear spoiler 20 comprises an upper member 21 made of synthetic resin and a lower member 22 made of synthetic resin. The upper member 21 and the lower member 22 are fixed together, for example, by vibration welding. The lower member 22 has an integrally formed mounting member fixing portion 23 to which the mounting member 10 is fixed. The mounting member fixing portion 23 is provided protruding outward from the lower member 22. Both the mounting member 10, which is placed inside the mounting member fixing portion 23, and the mounting member fixing portion 23 are clamped (held) by a nut member 41, and the rear spoiler 20 is attached to the back door 32 by fastening a bolt member 42 to the nut member 41 from the back door 32 side (vehicle body 30 side). Note that the upper member 21 and the lower member 22 may be fixed together by a fixing method other than vibration welding, for example, by adhesive or screw fastening.

[0023] As shown in Figure 5A, the mounting member 10 comprises a base 11, an opening 12, a holding portion 13, a connecting portion 14, and a wall portion 15. The mounting member 10 is formed in a dome shape (hereinafter sometimes referred to as a base shape) with a flat top surface, made of a metal material (iron, aluminum, etc.). The base 11 forms the flat top surface of the mounting member 10, and the wall portion 15 forms the side surface.

[0024] The base portion 11 is formed in a U-shape and plate-like manner in plan view, and has an opening 12 on its inside. The base portion 11 comprises a right base portion 11a, an upper base portion 11b whose base end is connected to one end (upper end) of the right base portion 11a, and a lower base portion 11c whose base end is connected to the other end (lower end) of the right base portion 11a. The inside of the base portion 11 forms an opening 12 that opens toward the left (to the left in the horizontal direction of the base portion 11). The opening 12 penetrates along the front-to-back direction (the thickness direction of the base portion 11).

[0025] The inner peripheral edge of the base portion 11 is formed in a U-shape and can also be called the opening peripheral edge 12a of the opening 12. A holding portion 13 is formed on this opening peripheral edge 12a of the opening 12 to hold the retained portion 41d (see Figure 4B) of the nut member 41 (fixing member). The nut member 41 is held on the base portion 11 by fitting its outer wall portion into the inner peripheral edge of the base portion 11 (the opening peripheral edge 12a of the opening 12). In this way, the holding portion 13 is formed on the opening peripheral edge 12a of the opening 12 and holds the retained portion 41d of the nut member 41 (fixing member). It is preferable to provide a protruding convex portion on the inner wall surface of the U-shaped opening 12. The convex portion functions to prevent the nut member 41, which has been inserted to a predetermined position, from coming loose.

[0026] The base portion 11 contacts and is fixed to the fixing base portion 51 of the mounting member fixing portion 23 of the lower member 22. At this time, the base portion 11 is held together with the fixing base portion 51 by the held portion 41d of the nut member 41, and the mounting member 10 and the nut member 41 are assembled to the mounting member fixing portion 23 of the rear spoiler 20. The base portion 11, i.e., the mounting member 10, is fixed to the rear spoiler 20 (the object to be attached) by the nut member 41 (fixing member).

[0027] The wall portion 15 is provided connected to the base portion 11 and is capable of contacting the inside of the mounting member fixing portion 23 of the rear spoiler 20, and at the contact portion it receives the force applied to the mounting member 10. The wall portion 15 comprises an upper wall 15a, a lower wall 15b, a right wall 15c, and a left wall 15d. The upper wall 15a is connected to the upper edge of the upper base portion 11b of the base portion 11. The lower wall 15b is connected to the lower edge of the lower base portion 11c of the base portion 11. The right wall 15c is connected to the right edge of the right base portion 11a of the base portion 11, and its upper edge is connected to the right edge of the upper wall 15a, and its lower edge is connected to the right edge of the lower wall 15b.

[0028] The left wall 15d is connected to a portion of the tip of the upper base 11b and a portion of the tip of the lower base 11c, and its upper edge is connected to the left edge of the upper wall 15a and its lower edge is connected to the left edge of the lower wall 15b. In some cases, the left wall 15d may be connected only to the left edge of the lower wall 15b and its lower edge is connected only to the left edge of the upper base 11b and the tip of the lower base 11c.

[0029] The lower wall 15b, the right wall 15c, and the left wall 15d are provided so as to form a first predetermined angle (for example, 90 degrees) with respect to the base 11. The first predetermined angle is set to be 90 degrees or more and less than 180 degrees, such that the contour of the mounting member 10 in plan view is as close as possible to the outer casing of the base 11. This makes it possible to miniaturize the mounting member 10. It also makes it possible to increase the rigidity of the mounting member 10.

[0030] The upper wall 15a is provided so as to form a second predetermined angle (for example, an angle greater than 90 degrees and less than 180 degrees) with respect to the base 11. Preferably, the second predetermined angle is set so that the shape of the mounting member fixing portion 23 is the optimal shape according to the shape of the back door 32. For example, the upper wall 55a of the fixing portion wall portion 55 of the mounting member fixing portion 23 is substantially flat along the shape of the back door 32, and is formed to extend along the horizontal direction of the base 11 (the second predetermined angle is 180 degrees). This makes it possible to provide a mounting member 10 that has the optimal shape according to the installation location of the mounting member fixing portion 23 and the shape of the lower member 22. The upper wall 15a is formed in a stepped plate shape, and the outer end (corner) of the second flange portion 41c contacts the inner wall surface of the stepped portion 15a1, thereby restricting the rotation of the nut member 41.

[0031] Furthermore, the shapes of the upper wall 15a, lower wall 15b, right wall 15c, and left wall 15d are not limited to those of this embodiment, and can be freely set to an optimal shape according to the installation location of the mounting member fixing part 23 and the shape of the lower member 22.

[0032] As shown in Figure 5A, the connecting portion 14 connects both ends of the opening side of the base portion 11, that is, the tip (left end) of the upper base portion 11b and the tip (left end) of the lower base portion 11c. The tip (left end) of the upper base portion 11b is connected to the tip (left end) of the lower base portion 11c via the left wall 15d, and the connecting portion 14 is formed by the left wall 15d. The connecting portion 14 is provided at a predetermined angle θ with respect to the base portion 11 (see Figure 5B), and is provided with a fixing member opening 14a through which the second flange portion 41c (described later), which is part of the nut member 41, can be inserted. In this embodiment, the predetermined angle θ is set to 90 degrees (i.e., the connecting portion 14 is provided perpendicular to the base portion 11).

[0033] The fixing member opening 14a is continuous with the opening 12. The fixing member opening 14a is set to be slightly larger than the outline projected from the side of the nut member 41 (particularly the second flange portion 41c and the cylindrical body 41a).

[0034] Furthermore, if the upper edge of the left wall 15d is connected to the left edge of the upper wall 15a, and the lower edge of the left wall 15d is connected only to the left edge of the lower wall 15b, then the tip (left end) of the upper base 11b is connected to the tip (left end) of the lower base 11c via the upper wall 15a, the left wall 15d, and the lower wall 15b. In this case, the connecting portion 14 is formed by the upper wall 15a, the left wall 15d, and the lower wall 15b, and the connecting portion 14 has a left wall 15d that is provided perpendicular to the base 11.

[0035] This connection part 14 allows for increased rigidity of both ends of the opening 12 (both ends of the upper base 11b and lower base 11c of the base 11) by connecting the ends of the opening 12 which has a U-shaped opening periphery 12a in plan view. For example, it is possible to suppress the opening of both ends of the opening when a large force is applied to the rear spoiler 20. Furthermore, since the periphery of the opening 12 of the base 11 is closed all around, it is possible to increase the rigidity of the mounting member 10. As a result, the load-bearing capacity of the mounting member 10 can be increased, and consequently, the load-bearing capacity of the mounting structure 60 which attaches the rear spoiler 20 to the vehicle body 30 by the mounting member 10 can be increased.

[0036] Furthermore, when attaching the nut member 41 to the mounting member 10 attached to the lower member 22, it is possible to easily attach it by inserting the nut member 41 through the fixing member opening 14a. Thus, it is possible to achieve both easy attachment of the nut member 41 and improved load-bearing capacity of the mounting member 10.

[0037] As described above, as shown in Figure 5B, the connection portion 14 is positioned perpendicular to the base portion 11 by setting the predetermined angle θ of the connection portion 14 with respect to the base portion 11 to 90 degrees. However, the invention is not limited to this, and the predetermined angle θ may be set to 5 to 85 degrees, and the connection portion 14 may be positioned at an angle of 5 to 85 degrees with respect to the base portion 11. The predetermined angle θ is preferably between 5 and 85 degrees, and more preferably between 20 and 60 degrees. For example, as shown in Figure 5C, the connection portion 14 is positioned at an angle of 45 degrees with respect to the base portion 11.

[0038] When the predetermined angle θ is 90 degrees (the connecting part 14 is positioned perpendicular to the base part 11), the rigidity of the connecting part 14 is maximized, and when the predetermined angle θ is 0 degrees (the connecting part 14 is positioned parallel to the base part 11 (positioned on the same plane)), the rigidity of the connecting part 14 is minimized. In other words, when the predetermined angle is within the range of 0 to 90 degrees, the rigidity of the connecting part 14 increases as the predetermined angle θ increases. From this, it is possible to change the rigidity of the connecting part 14 by changing the predetermined angle θ of the connecting part 14 with respect to the base part 11.

[0039] According to this, by making the rigidity of the connection part 14 weaker than other parts (such as the base part 11), it becomes possible to make the connection part 14 more easily deformable. Therefore, by making a part of the base part 11 (the deformable part), which is rigid overall, more easily deformable, when a large force is applied to the rear spoiler 20, the deformation of the base part 11 (mounting member 10) can be started from the deformable part, thereby preventing excessive stress concentration in a predetermined part of the rear spoiler 20 (a relatively narrow range around the periphery (boundary) of the part being held down).

[0040] As shown in Figures 2 to 4, the mounting member fixing portion 23 is formed at a predetermined location on the rear spoiler 20 to house and fix the mounting member 10 inside it. One or more predetermined locations are provided at the locations necessary to fix the rear spoiler 20 to the vehicle body 30. The mounting member fixing portion 23 is preferably formed according to the shape of the mounting member 10, and in this embodiment, it is formed to be a base-shaped recess. The mounting member fixing portion 23 includes a fixing portion base portion 51 formed in correspondence with the base portion 11 and in contact with and holding the base portion 11, and a fixing portion wall portion 55 formed in correspondence with the wall portion 15 and in contact with and holding the wall portion 15. The mounting member fixing portion 23 further includes a fixing portion opening 52 and a fixing portion holding portion 53.

[0041] The fixing base 51, like the base 11, is formed in a U-shape and plate-like manner in plan view, and has a fixing opening 52 on its inside. The fixing opening 52 is formed in the same way as the opening 12, and a fixing holding portion 53 is formed on the peripheral edge of the opening of the fixing opening 52 to hold the held portion 41d of the nut member 41 (fixing member). The base 11 is installed on top of the fixing base 51 with the opening 12 aligned with the fixing opening 52. The held portion 41d of the nut member 41 is fitted into the peripheral edge of the opening of the fixing opening 52 (the inner peripheral edge of the fixing base 51) and the peripheral edge 12a of the opening 12 in the overlapped state. In this way, the nut member 41 is attached to the mounting member fixing portion 23, and the mounting member 10 is attached by the nut member 41. In other words, the nut member 41 is held on the base of the fixing part 51 by fitting its outer wall portion into the opening periphery of the fixing part opening 52 (the inner periphery of the base of the fixing part 51).

[0042] The fixed part wall 55 comprises an upper wall 55a, a lower wall 55b, a right wall 55c, and a left wall 55d. The upper wall 55a is connected to the upper edge of the fixed part base 51. The lower wall 55b is connected to the lower edge of the fixed part base 51. The right wall 55c is connected to the right edge of the fixed part base 51, and its upper edge is connected to the right edge of the upper wall 55a, while its lower edge is connected to the right edge of the lower wall 55b. The left wall 55d is connected to the left edge of the fixed part base 51, and its upper edge is connected to the left edge of the upper wall 55a, while its lower edge is connected to the left edge of the lower wall 55b.

[0043] The upper wall 55a, lower wall 55b, right wall 55c, and left wall 55d of the fixed wall portion 55 are provided corresponding to the upper wall 15a, lower wall 15b, right wall 15c, and left wall 15d of the wall portion 15, respectively. The upper wall 15a is in contact with and fixed to the inner wall surface of the upper wall 55a, the lower wall 15b is in contact with and fixed to the inner wall surface of the lower wall 55b, the right wall 15c is in contact with and fixed to the inner wall surface of the right wall 55c, and the left wall 15d is in contact with and fixed to the inner wall surface of the left wall 55d.

[0044] The left wall 55d is provided with a fixing member opening 55d1 through which a second flange portion 41c (described later), which is part of the nut member 41, can be inserted. The fixing member opening 14a is continuous with the fixing part opening 52. The fixing member opening 55d1 is provided corresponding to the fixing member opening 14a.

[0045] As shown in Figures 4A and 4B, the fastening member 40 comprises a nut member 41 and a bolt member 42. The nut member 41 comprises a cylindrical body 41a, an annular first flange portion 41b coaxially provided at one end (front end) of the cylindrical body 41a, a rectangular second flange portion 41c coaxially provided at the other end (rear end) of the cylindrical body 41a, and a retained portion 41d which is an annular recess formed by the outer wall surface of the cylindrical body 41a, the first flange portion 41b, and the second flange portion 41c. The inner circumferential surface of the cylindrical body 41a has a female thread formed thereon, into which the male thread of the bolt member 42 is screwed.

[0046] The width of the held portion 41d (the distance between the first flange portion 41b and the second flange portion 41c) is preferably set to be slightly larger than the sum of the thickness of the holding portion 13 of the mounting member 10 and the thickness of the fixing portion holding portion 53 of the mounting member fixing portion 23. The first flange portion 41b and the second flange portion 41c sandwich the holding portion 13 of the mounting member 10 and the fixing portion holding portion 53 of the mounting member fixing portion 23. In other words, the held portion 41d is held by the holding portion 13 of the mounting member 10 and the fixing portion holding portion 53 of the mounting member fixing portion 23.

[0047] Furthermore, an annular elastic member is provided coaxially on the front end surface of the first flange portion 41b. The second flange portion 41c is formed in a rectangular shape so as to be able to contact either the inner wall surface of the wall portion 15 of the mounting member 10 (preferably the stepped portion 15a1 of the upper wall 15a or the lower wall 15b) in order to restrict the rotation of the nut member 41. Specifically, the length of the short side (one side in the case of a square) of the rectangular second flange portion 41c is set to be smaller than the distance between the upper wall 15a and the lower wall 15b of the wall portion 15, and larger than the vertical width of the opening 12. The length of the long side (diagonal in the case of a square) of the rectangular second flange portion 41c is set to be larger than the distance between the upper wall 15a and the lower wall 15b of the wall portion 15.

[0048] Although the nut member 41 is held by the mounting member 10, the bolt member may also be held by the mounting member 10. In this case, instead of providing a female thread on the cylindrical body 41a of the bolt member, a male thread can be provided coaxially on the cylindrical body 41a. Furthermore, a general hexagonal nut can be used as the nut member fastened to the bolt member.

[0049] (Installation method for attaching the object to be installed to the installation site) First, the rear spoiler 20 is assembled. First, the mounting member 10 is installed inside the mounting member fixing part 23 of the lower member 22 (rear spoiler 20). At this time, the base 11 of the mounting member 10 is placed in contact with the fixing part base 51 of the mounting member fixing part 23 of the lower member 22, with the opening 12 of the fixing part opening 52 aligned.

[0050] Next, the nut member 41 is attached. At this time, the second flange portion 41c of the nut member 41 is inserted through the fixing member opening 14a, and then the nut member 41 is inserted into the opening 12 and the fixing member opening 52 along their respective opening edges. At this time, the retained portion 41d of the nut member 41 is fitted and guided by the opening edge 12a (retaining portion 13) of the opening 12 and the opening edge (fixing portion retaining portion 53) of the fixing member opening 52. The retained portion 41d of the nut member 41 sandwiches the overlapping retaining portion 13 and the fixing portion retaining portion 53, thereby allowing the mounting member 10 to be assembled to the lower member 22 by the nut member 41.

[0051] Next, the rear spoiler 20 is assembled by bonding the lower member 22, to which the mounting member 10 is attached using the nut member 41, to the upper member 21 by vibration welding. Although vibration welding is performed after the installation of the nut member 41, it is also possible to perform it before the installation of the nut member 41, provided that the mounting member 10 is temporarily fixed to the lower member 22.

[0052] Next, the rear spoiler 20 is attached to the back door 32. The rear spoiler 20 is positioned in the mounting location, and the bolt member 42 is tightened onto the nut member 41 to attach the rear spoiler 20 to the back door 32.

[0053] (modified version) In the above-described mounting member 10, the upper wall 15a is provided so as to form a first predetermined angle with respect to the base 11. However, as shown in Figure 6, the mounting member 110 may be provided so that the upper wall 115a extends along the horizontal direction of the base (where the first predetermined angle is 180 degrees) with respect to the base 11. In this case, as shown in Figure 6, the mounting member 110 includes a base 111 formed in the same way as the base 11, an upper wall 115a formed in the same way as the upper wall 15a, a lower wall 115b formed in the same way as the lower wall 15b, a right wall 115c formed in the same way as the right wall 15c, a left wall 115d (connecting part 114) formed in the same way as the left wall 15d, an opening 112 formed in the same way as the opening 12, and a holding part 113 formed in the same way as the holding part 13.

[0054] In this modified example, the upper wall 115a can withstand a relatively larger load compared to the upper wall 115a without the connection part 114 (shown by a dashed line in Figure 6), thus allowing its area to be reduced. Similarly, the lower wall 115b can withstand a relatively larger load compared to the lower wall 115b without the connection part 114 (shown by a dashed line in Figure 6), thus allowing its area to be reduced when withstanding the same amount of load. Therefore, it becomes possible to form a compact mounting member 110 with excellent load-bearing capacity. The same effect can be obtained with the mounting member 10 described above. Furthermore, since the lower wall 115b needs to withstand a larger load than the upper wall 115a, it is preferable that the lower wall 115b be set to be larger than the upper wall 115a (it is preferable that walls that withstand large loads have a larger area than walls that withstand small loads).

[0055] Furthermore, in the mounting member 110 described above, the upper wall 115a is provided extending horizontally from the base 111, and the lower wall 115b is provided perpendicular to the base 111. However, as shown in Figure 7, the mounting member 210 may be provided with the lower wall 215b extending horizontally from the base 111. This mounting member 210 is effective when the back surface of the lower member 22 is flat. The mounting member 210 includes a base 211 formed in the same way as the base 11, an upper wall 215a formed in the same way as the upper wall 15a, a right wall 215c formed in the same way as the right wall 15c, a left wall 215d (connecting part 214) formed in the same way as the left wall 15d, an opening 212 formed in the same way as the opening 12, and a holding part 213 formed in the same way as the holding part 13.

[0056] In this modified example, the upper wall 215a can withstand a relatively larger load compared to the upper wall 215a without the connection portion 214 (shown by a dashed line in Figure 7), thus allowing its area to be reduced. Similarly, the lower wall 215b can withstand a relatively larger load compared to the lower wall 215b without the connection portion 214 (shown by a dashed line in Figure 7), thus allowing its area to be reduced when withstanding the same magnitude of load. Therefore, it becomes possible to form a compact mounting member 110 with excellent load-bearing capacity.

[0057] Furthermore, since the mounting members 10, 110, and 210 are firmly assembled to the lower member 22 by the nut member 41, and the connecting parts 14, 114, and 214 are also present, the mounting members 10, 110, and 210 have high rigidity, and can be sufficiently assembled using only the nut member 41. However, the mounting members 10, 110, and 210 may also be fixed using additional fixing methods other than the nut member 41. In this case, methods such as clip fixing, fixing with fixing claws, or adhesive using double-sided tape can be employed.

[0058] Furthermore, although the connecting portion 14 (left wall 15d) is provided perpendicular to the base portion 11, it may also be provided extending horizontally, similar to the upper wall 15a. In this case, it is preferable that the horizontally extending left wall is provided with a fixing member opening that is slightly larger than the outline obtained by projecting the plane (bottom surface) of the nut member 41 (especially the second flange portion 41c), instead of the fixing member opening 14a.

[0059] Furthermore, in the embodiment described above, the fixing member is used to simultaneously clamp the mounting member 10 and the lower member 22, thereby attaching the fixing member to both the mounting member 10 and the lower member 22 at the same time. However, it is also possible to hold only the mounting member 10 with the fixing member and attach the fixing member only to the mounting member 10. In this case, the mounting member 10 needs to be fixed to the lower member 22 by another method (such as screwing or adhesive).

[0060] Furthermore, the connecting portions 14, 114, and 214 described above may have a deformable portion 16 that is more easily deformed than other parts. For example, as shown in Figure 8, the mounting member 310 preferably has a bent portion 16a formed by bending a part of the connecting portion 314. The mounting member 310 includes a base portion 311 formed in the same way as the base portion 11, an upper wall 315a formed in the same way as the upper wall 15a, a lower wall 315b formed in the same way as the lower wall 15b, a right wall 315c formed in the same way as the right wall 15c, a left wall 315d (connecting portion 314) formed in the same way as the left wall 15d, an opening 312 formed in the same way as the opening 12, and a holding portion 313 formed in the same way as the holding portion 13. The central part of the connecting portion 314 is provided with a bent portion 16a, and both ends of the connecting portion 314 are provided with flat portions that are not bent. The bent portion 16a may be formed to bend the entire length of the connecting portion 314 in the longitudinal direction.

[0061] The connecting portion 314 having a bent portion 16a has less rigidity compared to the other nearly flat wall portions 315a, 315b, and 315c that do not have a bent portion, making it possible to deform the connecting portion 314 more easily. Therefore, by making a part of the mounting member 310 (bent portion 16a), which is rigid overall, more easily deformable, when a large force is applied to the rear spoiler 20, the deformation of the mounting member 310 (base portion 311) can be started from the bent portion 16a, thereby preventing excessive stress concentration in a predetermined part of the rear spoiler 20 (a relatively narrow range around the periphery (boundary) of the part being pressed).

[0062] Furthermore, it is preferable that the deformed portion 16 has a constricted portion 16b formed to be thinner than the other parts of the connecting portion 414, as shown in the mounting member 410 in Figure 9. In this case, the connecting portion 414 is a flat plate shape, but the constricted portion 16b is formed by making a part of it thinner than the other parts. The mounting member 410 includes a base portion 411 formed in the same way as the base portion 11, an upper wall 415a formed in the same way as the upper wall 15a, a lower wall 415b formed in the same way as the lower wall 15b, a right wall 415c formed in the same way as the right wall 15c, a left wall 415d (connecting portion 414) formed in the same way as the left wall 15d, an opening 412 formed in the same way as the opening 12, and a holding portion 413 formed in the same way as the holding portion 13. The central part of the connecting portion 414 is provided with a constricted portion 16b, and both ends of the connecting portion 414 are provided with flat, unbent portions. Although the constricted portion 16b is formed by narrowing the width of the connecting portion 414, it may also be formed by reducing the thickness without changing the width. The constricted portion 16b is more easily deformed than other parts of the connecting portion 414.

[0063] The connecting portion 414 having the constricted portion 16b has less rigidity compared to the other nearly flat wall portions 415a, 415b, and 415c that do not have the constricted portion, making it possible to deform the connecting portion 414 more easily. Therefore, by making a part of the mounting member 410 (the constricted portion 16b), which is rigid overall, more easily deformable, when a large force is applied to the rear spoiler 20, the deformation of the mounting member 410 (base portion 411) can be started from the constricted portion 16b, thereby preventing excessive stress concentration in a predetermined part of the rear spoiler 20 (a relatively narrow range around the periphery (boundary) of the part being pressed).

[0064] Furthermore, the deformable portion 16 is not limited to being provided on the connecting portions 314 and 414 as shown in Figures 8 and 9, but may also be provided on the connecting portions 14 and 114. In addition, by making the thickness of the connecting portions 14, 114 and 214 thinner than the base portions 11, 111 and 211, the connecting portions 14, 114 and 214 themselves may be used as deformable portions.

[0065] (Effects and mechanisms of the embodiment) The mounting members 10, 110, and 210 according to the above-described embodiment are mounting members for attaching an object to be mounted (rear spoiler 20) to a mounting site (vehicle body 30) using fixing members (fastening members 40). The mounting members 10, 110, and 210 include a base portion 11, 111, and 211 which is formed in a U-shape in plan view and has openings 12, 112, and 212 on the inside and is fixed to the rear spoiler 20, a holding portion 13, 113, and 213 which is formed on the periphery of the openings 12, 112, and 212 and holds the held portion 41d of the fastening member 40, and a connecting portion 14, 114, and 214 which connects both ends of the opening side of the base portion 11, 111, and 211.

[0066] According to the mounting members 10, 110, 210 of this embodiment, the fastening member 40 is held by the holding portions 13, 113, 213 formed on the periphery of the openings 12, 112, 212 of the base portions 11, 111, 211 of the mounting members 10, 110, 210, and the base portions 11, 111, 211 of the mounting members 10, 110, 210 that hold the fastening member 40 (nut member 41) are fixed to the rear spoiler 20, thereby enabling the rear spoiler 20 to be attached to the vehicle body 30 by the mounting members 10, 110, 210. At this time, the openings at both ends of the base portions 11, 111, 211 of the mounting members 10, 110, 210 are connected by the connecting portions 14, 114, 214, so that the rigidity of both ends on the opening side of the U-shaped base portions 11, 111, 211 can be increased. Furthermore, the openings 12, 112, and 212 of the base portions 11, 111, and 211 can be closed all around, thereby increasing the rigidity of the mounting members 10, 110, and 210. As a result, the load-bearing capacity of the mounting members 10, 110, and 210 can be increased, and consequently, the load-bearing capacity of the mounting structure 60, which attaches the rear spoiler 20 to the vehicle body 30 using the mounting members 10, 110, and 210, can be increased. In addition, by increasing the load-bearing capacity of the mounting member 10 that attaches the resin object to the mounting site, the load-bearing capacity of the resin object can also be increased.

[0067] Furthermore, in the mounting member 10 according to this embodiment, it is preferable that the mounting member 10 is connected to the base 11 and further comprises a wall portion 15 that is capable of contacting the rear spoiler 20 and receiving the force applied to the mounting member 10 at the contact portion. This makes it possible to receive the force applied to the mounting member 10 not only at the base 11 but also at the wall portion 15, that is, to distribute the applied force at multiple locations (increase the receiving area) and receive it, thereby making it possible to further increase the load capacity.

[0068] Furthermore, in the mounting members 10, 110, and 210 according to this embodiment, it is preferable that the connecting portions 14, 114, and 214 are provided at a predetermined angle θ with respect to the base portions 11, 111, and 211, and that an opening 14a for a fixing member is provided through which a part of the fastening member 40 can be inserted. This makes it possible to achieve both miniaturization and high load capacity of the mounting members 10, 110, and 210.

[0069] As described above, since both ends of the base portions 11, 111, and 211 on the opening side are connected by the connecting portions 14, 114, and 214, it is possible to increase the rigidity of the mounting members 10, 110, and 210. In this case, when the mounting members 10, 110, and 210 (base portions 11, 111, and 211) are difficult to deform (high rigidity), even if a large force is applied to the object to which it is attached (rear spoiler 20), the base portions 11, 111, and 211 that are holding the rear spoiler 20 are difficult to deform. However, because stress is concentrated too much in a relatively narrow area around (boundary of) the part being held, there was a risk that the rear spoiler 20 would deform and eventually break in this area. In other words, the energy of the load applied to the rear spoiler 20 was hardly absorbed by the deformation of the mounting members 10, 110, and 210, and was absorbed only by the deformation of the rear spoiler 20, which could potentially worsen the overall durability of the mounting structure.

[0070] In contrast, in the mounting member 10 described above, the predetermined angle θ is preferably 5 to 85 degrees. This makes it possible to make the connection part 14 more easily deformable by making the rigidity of the connection part 14 weaker than other parts (such as the base part 11). Therefore, by making a part of the mounting member 10, which is rigid overall (the deformable part: the connection part 14 that forms the predetermined angle θ), more easily deformable, when a large force is applied to the rear spoiler 20, the deformation of the mounting member 10 (base part 11) can be started from the deformable part, thereby preventing excessive stress concentration in a predetermined part of the rear spoiler 20 (a relatively narrow range around the boundary of the part being held down). Therefore, the energy of the load applied to the rear spoiler 20 is absorbed by the appropriate deformation of the mounting member 10 and by the deformation of the rear spoiler 20, that is, it is appropriately absorbed by both members, so the durability of the entire mounting structure can be increased.

[0071] Furthermore, in the modified mounting members 310 and 410 described above, it is preferable that the connecting portions 314 and 414 have deformable portions 16a and 16b that are more easily deformed than other parts. This makes it possible to make the connecting portions 314 and 414 more easily deformable by making the rigidity of the connecting portions 16a and 16b weaker than other parts (such as the base portions 311 and 411). Therefore, by making a part of the mounting members 310 and 410, which are rigid overall (the deformable portions 16a and 16b), more easily deformable, when a large force is applied to the rear spoiler 20, the deformation of the mounting members 310 and 410 (base portions 311 and 411) can be started from the deformable portions 16a and 16b, thereby preventing excessive stress concentration in a predetermined part of the rear spoiler 20 (a relatively narrow range around the periphery (boundary) of the part being held down). Therefore, the energy of the load applied to the rear spoiler 20 is absorbed by the appropriate deformation of the mounting members 310 and 410, as well as by the deformation of the rear spoiler 20, meaning that it is properly absorbed by both members, thereby increasing the overall durability of the mounting structure.

[0072] Furthermore, in the mounting members 10, 110, and 210 according to this embodiment, the fixing member is preferably a fastening member 40. This makes it possible to provide a mounting structure 60 that attaches the rear spoiler 20 to the vehicle body 30 with a simple configuration and easy installation work.

[0073] Furthermore, the mounting structure 60 according to this embodiment includes a rear spoiler 20, a vehicle body 30, a fastening member 40, and the aforementioned mounting members 10, 110, and 210. This mounting structure 60 also makes it possible to obtain the same functions and effects as the aforementioned mounting members 10, 110, and 210.

[0074] Furthermore, the mounting members 10, 110, and 210 according to this embodiment are automotive mounting members used to attach automotive components to the vehicle body 30. These automotive mounting members also provide the same functions and effects as those described above for the mounting members 10, 110, and 210. [Explanation of Symbols]

[0075] 10, 110, 210, 310, 410… Mounting members, 11, 111, 211, 311, 411… Base, 12, 112, 212… Opening, 13, 113, 213… Holding part, 14, 114, 214, 314, 414… Connection part, 14a… Opening for fixing member, 15… Wall part, 16… Deformed part, 20… Rear spoiler (object to be attached), 30… Vehicle body (attachment destination), 40… Fastening member (fixing member), 41d… Retained part, 60… Mounting structure.

Claims

1. A mounting member for attaching an object to be mounted to a mounting site using a fixing member, The aforementioned mounting member is A base that is formed in a U-shape in plan view and has an opening on the inside, and is fixed to the object to be attached, A holding portion is formed on the periphery of the opening and holds the part of the fixing member that is to be held, A connecting portion that connects both ends of the opening side of the base, Equipped with, The mounting member is provided connected to the base and further comprises a wall portion that can contact the object to be mounted and receives the force applied to the mounting member at the contact portion. The mounting member is characterized in that the wall portion is provided on the opening side of the base portion and functions as the connecting portion.

2. The mounting member according to Claim 1, characterized in that the wall portion is provided at a predetermined angle with respect to the base portion, and the predetermined angle is 90 degrees or more.

3. The mounting member according to claim 1, characterized in that the wall portion is provided with an opening for a fixing member through which a part of the fixing member can be inserted.

4. The mounting member according to claim 1, characterized in that the wall portion is provided so as to continuously surround the base portion on all four sides.

5. The mounting member according to Claim 1, characterized in that the wall portion has a bent portion formed by bending a part of the wall portion, or a narrowed portion formed by making a part of the wall portion thinner.

6. The mounting member according to claim 1, characterized in that the fixing member is a fastening member.

7. The aforementioned object to be attached, The aforementioned mounting location, The aforementioned fixing member, A mounting member according to any one of claims 1 to 6, A mounting structure characterized by having the following features.

8. The aforementioned object to be attached, The aforementioned mounting location, The aforementioned fixing member, A mounting member according to any one of claims 1 to 6, A mounting structure comprising, The object to be attached has a mounting member fixing portion formed inside for housing and fixing the mounting member. The aforementioned mounting member fixing portion is, It is formed in a U-shape and plate-like form in plan view, has a fixing part opening on the inside, and has a fixing part base that contacts and fixes the base, A fixing part holding part is formed on the periphery of the fixing part opening and holds the part of the fixing member to be held, A mounting structure characterized by having the following features.

9. The mounting structure according to claim 8, characterized in that the holding portion of the fixing member clamps the holding portion and the fixing portion holding portion in an overlapping state, thereby assembling the mounting member to the object to be mounted by the fixing member.

10. The mounting member according to any one of claims 1 to 6 is an automotive mounting member characterized by attaching an automotive component to a vehicle body.