Support structure

The support structure with elastic members arranged strategically on moving bodies addresses the challenge of reducing vibrations in both pitch and roll directions, enhancing stability and durability of imaging units.

WO2025248859A1PCT designated stage Publication Date: 2025-12-04ASTEMO LTD
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Patent Information

Application Number
PCT/JP2025/003894
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-30
Filing Date
2025-02-06
Publication Date
2025-12-04

AI Technical Summary

Technical Problem

Existing support structures for imaging means on moving bodies, such as saddle-type vehicles, effectively reduce vibrations in the roll direction but struggle to mitigate vibrations in the pitch direction.

Method used

A support structure that includes first and second elastic members arranged at intervals in the front-rear and left-right directions or front-rear and up-down directions of the moving body, respectively, to dampen vibrations in both the pitch and roll directions.

Benefits of technology

Effectively reduces vibrations in both the pitch and roll directions of the moving body, improving the stability and durability of the imaging means while reducing the number of parts and costs.

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Abstract

In a support structure for supporting an imaging means, both vibrations in a pitch direction and vibrations in a roll direction of a moving body are reduced. A support structure (S) for supporting an imaging means (10) on a moving body (M) is provided with a first elastic member (31) and a second elastic member (32) interposed between the imaging means (10) and the moving body (M). The first elastic member (31) and the second elastic member (32) are arranged at intervals in the front-rear direction and the left-right direction of the moving body (M) when projected onto a horizontal plane (H1), or are arranged at intervals in the front-rear direction and the up-down direction of the moving body (M) when projected onto a vertical plane (H3), the left-right direction being the normal direction.
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Description

support structure

[0001] The present invention relates to a support structure for supporting an imaging means.

[0002] A technology disclosed in Patent Document 1 is known as a support structure for supporting an imaging means on a moving body such as a saddle-type vehicle. The support structure in Patent Document 1 includes a vibration-isolating cover that covers the imaging means and a mounting cover that holds the vibration-isolating cover and is attached to a stay.

[0003] Japanese Patent Application Laid-Open No. 2021-95059

[0004] In the support structure of Patent Document 1, the vibration-damping cover is fixed to the stay at two points spaced apart in the width direction of the saddle-type vehicle. Therefore, while the support structure of Patent Document 1 is able to reduce vibrations in the roll direction of the moving body, it has the problem of making it difficult to reduce vibrations in the pitch direction.

[0005] The present invention aims to solve the above-mentioned problems and to provide a support structure for supporting an imaging unit that can reduce vibrations in both the pitch direction and the roll direction of a moving body.

[0006] In order to solve the above problem, the support structure of the present invention is a support structure for supporting an imaging means on a moving body, and includes a first elastic member and a second elastic member interposed between the imaging means and the moving body. The first elastic member and the second elastic member are arranged at intervals in the front-rear direction and the left-right direction of the moving body when projected onto a horizontal plane, or are arranged at intervals in the front-rear direction and the up-down direction of the moving body when projected onto a vertical plane whose normal direction is the left-right direction.

[0007] Here, the "horizontal plane" refers to an imaginary plane whose normal direction is the direction of gravity, and the "vertical plane" refers to an imaginary plane that runs along the direction of gravity (a plane that is perpendicular to the horizontal plane).

[0008] According to the support structure of the present invention, it is possible to reduce both vibrations in the pitch direction and vibrations in the roll direction of the moving body that act on the imaging means.

[0009] 1 is a schematic side view of a motorcycle body illustrating an example of installation of an imaging means using a support structure according to a first embodiment; FIG. 2 is a schematic plan view of a motorcycle body illustrating the same installation example; FIG. 3 is a perspective view of the imaging means supported on a stay by a support structure; FIG. 4 is a front view of the imaging means supported on a stay by a support structure; FIG. 5 is a side view of the imaging means supported on a stay by a support structure; FIG. 6 is a schematic view showing the positional relationship when three elastic members are projected onto a horizontal plane based on the motorcycle body; FIG. 7 is an exploded perspective view for explaining the support structure; FIG. 8 is an enlarged sectional view of a first elastic member attached to the stay; FIG. 9 is an enlarged sectional view of the first elastic member with the nut tightened; FIG. 10 is a perspective view of the imaging means supported on a stay by a support structure according to a second embodiment; FIG. 11 is a front view of the stay and the imaging means; FIG. 12 is a side view of the stay and the imaging means; FIG. 13 is a schematic view showing the positional relationship when two elastic members are projected onto a vertical plane whose normal direction is the left-right direction; FIG. 14 is a bottom view of the stay and the imaging means; FIG. 15 is an exploded perspective view for explaining the support structure; FIG. 16 is a longitudinal sectional view of the stay and the imaging means.

[0010] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following embodiments, the mobile object will be described as a motorcycle, which is a straddle-type vehicle, but this is not intended to limit the type of mobile object. For example, the present invention can also be applied to mobile objects such as four-wheeled motor vehicles, three-wheeled motor vehicles, and all-terrain vehicles (ATVs). In the following, the X-axis is the axis extending in the front-to-rear direction of the vehicle body in a horizontal plane, the Y-axis is the axis extending in the left-to-right direction of the vehicle body and perpendicular to the X-axis in the horizontal plane, and the Z-axis is the axis extending in the up-down direction of the vehicle body and perpendicular to the X-axis and Y-axis in a vertical plane. In the following description, the same elements will be designated by the same reference numerals, and redundant description will be omitted.

[0011] 1A and 1B, the support structure S is a structure for supporting a camera 10 serving as an imaging device on a stay 20 of a motorcycle M, and includes first to third elastic members 31, 32, and 33. The camera 10 is installed within a cowl C at the front of the motorcycle M by the support structure S. The installation position of the camera 10 is not limited to within the cowl C, and may be anywhere that allows the camera to capture images of the front of the motorcycle M, such as on the frame, handlebars, or fender. The camera 10 may also be attached in a position that allows it to capture images of the rear or sides of the motorcycle M.

[0012] As shown in Fig. 2, the camera 10 is a stereo camera having two imaging units 11, 11 on the left and right, and a control unit 12 in the center. A mounting member 15 is attached to the underside of the camera 10 with fixing screws or the like (not shown). The mounting member 15 is a plate-like body having a rectangular shape in a plan view, and an upper surface 15a on which the camera 10 is attached is an inclined surface that slopes downward from the rear to the front, as shown in Figs.

[0013] As shown in Figure 6, three fixing bolts 16 that protrude downward are attached to the underside of the mounting member 15. The three fixing bolts 16 are bolts for fixing the mounting member 15 to a stay 20 of the motorcycle M, and are arranged in a positional relationship that will be described later. A male thread is formed at the bottom of each fixing bolt 16, into which a nut 17 is screwed.

[0014] The stay 20 is a fixing member (mounting seat) that is fixed to a body frame (not shown) of the motorcycle M. In this embodiment, the "body" includes the stay 20 fixed to the body frame. As shown in FIGS. 2 to 4 and 6, the stay 20 is shown as a simplified, single, flat plate-like member. This is not intended to limit the shape of the stay 20. The camera 10 is attached to one flat surface (the upper surface in this embodiment) of the stay 20 via an attachment member 15. In this embodiment, the stay 20 is attached to the body frame (not shown) in a positional relationship in which the upper surface of the stay 20 is approximately parallel to a horizontal plane (X-Y plane) that includes the X-axis and Y-axis.

[0015] Next, we will explain the cylindrical first to third elastic members 31, 32, and 33 that make up the support structure S. As shown in Figures 2 to 4 and 6, the first to third elastic members 31, 32, and 33 are interposed between the mounting member 15 and the stay 20. The first to third elastic members 31, 32, and 33 function as fixing members for fixing the camera 10 to the stay 20, and also serve to damp vibrations input from the vehicle body.

[0016] The following describes the arrangement of the first to third elastic members 31, 32, and 33. Of the first to third elastic members 31, 32, and 33, the first elastic member 31 and the third elastic member 33 are arranged at the left and right positions on the front side of the stay 20, and the remaining second elastic member 32 is arranged at the center position on the rear side of the stay 20. The axial directions of the first to third elastic members 31, 32, and 33 are all the same as the vertical axis of the center of gravity (not shown) of the camera 10, that is, the Z-axis direction (vertical direction).

[0017] Furthermore, as shown in FIG. 5 , the first to third elastic members 31, 32, 33 are arranged so that the respective central portions 31a, 32a, 33a form the vertices of an isosceles triangle when projected onto an imaginary horizontal plane H1 (e.g., the X-Y plane) based on the vehicle body. Each central portion 31a, 32a, 33a also corresponds to the center of each fixing bolt 16. The first elastic member 31 in the left front portion and the second elastic member 32 in the central rear portion are spaced apart in the front-rear and left-right directions. Similarly, the third elastic member 33 in the right front portion and the second elastic member 32 in the central rear portion are spaced apart in the front-rear and left-right directions. In other words, when the second elastic member 32 projected onto the horizontal plane H1 is used as a reference, the first elastic member 31 is arranged in front of and to the left of the second elastic member 32 (one direction) at a distance, and the third elastic member 33 is arranged in front of and to the right of the second elastic member 32 (the other direction) at a distance. As a result, the support structure S is configured so that the center 31 a of the first elastic member 31 and the center 32 a of the second elastic member 32 are not positioned on a straight line parallel to the X-axis, and also so that the center 33 a of the third elastic member 33 and the center 32 a of the second elastic member 32 are not positioned on a straight line parallel to the X-axis.

[0018] The horizontal plane H1 is a virtual plane whose normal direction is the vertical direction (Z axis), and is parallel to the road surface (floor surface), for example, when the motorcycle M is stopped on a horizontal road surface (floor surface).

[0019] Next, the specific configurations of the first to third elastic members 31, 32, and 33, the spacer 18, etc. will be described. Note that the first to third elastic members 31, 32, and 33 have the same configuration, so the first elastic member 31 will be described here as an example.

[0020] 7A and 7B , the first elastic member 31 is made of an elastic material such as synthetic rubber that has a damping effect. The first elastic member 31 has a circumferential groove 31e formed on its outer surface (outer periphery) and a through-hole 31f that passes through its center in the up-down direction, giving it a generally grommet-like shape. The circumferential groove 31e is a groove that fits into the mounting hole 21 of the stay 20 and is cut to have the same diameter as the mounting hole 21. The first elastic member 31 is attached to the stay 20 by fitting the circumferential groove 31e onto the edge of the mounting hole 21.

[0021] A cylindrical spacer 18 is inserted into the through hole 31f. The spacer 18 is a member that regulates the amount of tightening of the nut 17, and its axial dimension is set so that the first elastic member 31 is not compressed in the vertical direction more than necessary when the nut 17 is tightened. The spacer 18 has a flange portion 18a at its upper part that abuts against the underside of the mounting member 15. The upper end of the first elastic member 31 abuts against the underside of the flange portion 18a. The fixing bolt 16 of the mounting member 15 is inserted into the interior of the spacer 18.

[0022] By providing such a spacer 18, the fixing bolt 16 is prevented from contacting the inner surface of the through hole 31f, thereby preventing damage to the first elastic member 31 due to such contact. Furthermore, because the upper end of the first elastic member 31 abuts against the flange portion 18a of the spacer 18, the compressive force of the first elastic member 31 caused by tightening the nut 17 is more stable than in a configuration in which the upper end of the first elastic member 31 is directly abutted against the lower surface of the mounting member 15, and the predetermined damping effect can be suitably maintained.

[0023] The nut 17 is a flanged nut. When the nut 17 is threaded onto the fixing bolt 16, the spacer 18 and the first elastic member 31 are prevented from falling off. As shown in Fig. 7B, the nut 17 is tightened to a position where it abuts against the lower end of the spacer 18. As a result, the first elastic member 31 is disposed between the mounting member 15 and the stay 20 with a predetermined compressive force being applied thereto.

[0024] According to the support structure S of this embodiment described above, the first elastic member 31 and the second elastic member 32 are arranged at intervals in the front-rear direction and the left-right direction of the vehicle body when projected onto the horizontal plane H1, so that it is possible to reduce both pitch vibrations and roll vibrations of the motorcycle M acting on the camera 10. Note that the pitch direction is the direction of rotation about the Y axis, and the roll direction is the direction of rotation about the X axis. In addition, the support structure S includes the third elastic member 33, and the third elastic member 33 and the second elastic member 32 are arranged at intervals in the front-rear direction and the left-right direction of the vehicle body when projected onto the horizontal plane H1, so that it is possible to effectively reduce both pitch vibrations and roll vibrations of the motorcycle M acting on the camera 10.

[0025] Furthermore, because the first to third elastic members 31, 32, 33 are disposed between the mounting member 15 and the stay 20 with a predetermined compressive force applied thereto, both vibrations in the pitch direction and vibrations in the roll direction of the motorcycle M acting on the camera 10 can be effectively reduced compared to when the predetermined compressive force is not applied. Furthermore, because the first to third elastic members 31, 32, 33 function as fixing means, the number of parts in the support structure S can be reduced, leading to cost reductions.

[0026] Furthermore, because the first to third elastic members 31, 32, 33 are attached to the stay (vehicle body) 20 via the circumferential groove 31e, the attachment structure to the vehicle body side is simple, enabling the miniaturization and space saving of the support structure S. Furthermore, when attaching the first to third elastic members 31, 32, 33 to the stay 20, it is sufficient to insert them into the attachment hole 21 of the stay 20 while squashing the through hole 31f in the center, and then fit the circumferential groove 31e into the attachment hole 21, which provides excellent assembly workability and prevents them from falling off the stay 20 after attachment.

[0027] Furthermore, because the central portions 31a, 32a, 33a of the first to third elastic members 31, 32, 33 are arranged to form the vertices of a triangle, the stability of the camera 10 is improved, and it is possible to more effectively reduce both vibrations in the pitch direction and vibrations in the roll direction of the motorcycle M that act on the camera 10. Furthermore, the durability of the stay 20 and the camera 10 itself is improved, making it possible to maintain good imaging conditions for a long period of time.

[0028] Furthermore, since the first elastic member 31 and the third elastic member 33 are arranged on the left and right portions of the front side of the stay 20 so as to correspond to the left and right imaging units 11, 11, it is possible to effectively reduce both the pitch vibrations and roll vibrations of the motorcycle M acting on the left and right imaging units 11, 11.

[0029] Furthermore, because the support structure S is applied to a motorcycle, which is a saddle-type vehicle, it is possible to effectively reduce both the pitch vibration and the roll vibration that are specific to the motorcycle M, and improve the durability of the camera 10 itself. Furthermore, it is possible to realize good image capture by the camera 10 for a long period of time.

[0030] Second Embodiment Next, a support structure of a second embodiment will be described with reference to Figures 8 to 14. This embodiment differs from the first embodiment in that the camera 10A is supported by a stay 20A having two surfaces.

[0031] 8 to 14, the support structure S1 is a structure for supporting the camera 10A on the stay 20A of the motorcycle M (see FIGS. 1A and 1B, the same applies below), and includes a first elastic member 31A and a second elastic member 32A. In this embodiment, the camera 10A is also installed in the cowl C or the like at the front of the motorcycle M by the support structure S1.

[0032] Camera 10A is a monocular camera having one imaging unit 11. As shown in Figures 13 and 14, one fixing bolt 16 that protrudes downward is attached to the underside of camera 10A. Fixing bolt 16 has a male thread portion onto which a nut 17 is threaded. Note that an attachment member (not shown) may be attached to the underside of camera 10A, and fixing bolt 16 may be provided on this fixing member.

[0033] The stay 20A is a fixing member that is fixed to a body frame (not shown) of the motorcycle M. As shown in FIGS. 8, 10, and 13, the stay 20A has a substantially L-shape in side view. The stay 20A is formed, for example, by bending a flat plate-shaped member at a substantially right angle, and includes a base 22 and a rising portion 23 that rises vertically from the rear end of the base 22. In this embodiment, the camera 10A is supported across two surfaces: the top surface of the base 22 and the front surface of the rising portion 23. The stay 20A is attached to the body frame (not shown) so that the top surface of the base 22 is substantially parallel to a horizontal plane (X-Y plane) that includes the X-axis and Y-axis. As a result, the front surface of the rising portion 23 forms a vertical plane (Z-Y plane).

[0034] Next, the cylindrical first elastic member 31A and second elastic member 32A that constitute the support structure S1 will be described. The first elastic member 31A and second elastic member 32A are interposed between the camera 10A and the stay 20A, and function as fixing members for fixing the camera 10A to the stay 20A, and also serve to damp vibrations input from the vehicle body. The first elastic member 31A and second elastic member 32A have the same configuration as the elastic members described in the first embodiment.

[0035] In the support structure S1 of this embodiment, the first elastic member 31A is disposed in the base portion 22, and the second elastic member 32A is disposed in the rising portion 23. The axial direction of the through-hole 31f (see FIG. 14) of the first elastic member 31A is the Z-axis direction (vertical direction), which is the same direction as the vertical axis of the center of gravity (not shown) of the camera 10. On the other hand, the axial direction of the through-hole 31f (see FIG. 14) of the second elastic member 32A is the X-axis direction (horizontal direction) which is perpendicular to the Z-axis direction.

[0036] Furthermore, as shown in Fig. 11, the first elastic member 31A and the second elastic member 32A are spaced apart in the front-to-rear and up-to-down directions when projected onto an imaginary vertical plane H3 (e.g., an X-Z plane) whose normal is the left-right direction (Y-axis). In Fig. 11, reference numeral 31b denotes the center of the fitting position of the first elastic member 31A relative to the base portion 22 (see Fig. 10), and reference numeral 32b denotes the center of the fitting position of the second elastic member 32A relative to the rising portion 23 (see Fig. 10). Note that the vertical plane H3 is vertical when the motorcycle M is stopped on a reference road surface, for example, a horizontal road surface (floor surface).

[0037] On the other hand, the first elastic member 31A and the second elastic member 32A are disposed with a gap in the front-to-rear direction when projected onto a virtual horizontal plane H1 (e.g., the X-Y plane) as shown in Fig. 10. In Fig. 10, reference numeral 31a denotes the center of the first elastic member 31A. The first elastic member 31A and the second elastic member 32A are disposed so that the centers 31a and 32b projected onto the horizontal plane H1 are positioned on a straight line parallel to the front-to-rear direction (X-axis).

[0038] Furthermore, the first elastic member 31A and the second elastic member 32A are spaced apart in the vertical direction when projected onto a virtual vertical plane H2 (e.g., a Y-Z plane) whose normal direction is the front-to-rear direction (X-axis). In Fig. 10, reference numeral 32a indicates the center of the second elastic member 32A. The first elastic member 31A and the second elastic member 32A are arranged so that the centers 31b and 32a projected onto the vertical plane H2 are aligned in a straight line parallel to the vertical direction (Z-axis).

[0039] The vertical plane H2 is a virtual plane whose normal direction is the fore-and-aft direction (X-axis), and is vertical when the motorcycle M is stopped on a reference road surface, for example, on a horizontal road surface (floor surface).

[0040] The first elastic member 31A is attached to the base 22 of the stay 20A by fitting the circumferential groove 31e onto the hole edge of the mounting hole 21 (see FIG. 14) in the base 22. As in the first embodiment, the first elastic member 31A supports the camera 10A in a state in which a compressive force is applied by tightening a nut 17 onto a fixing bolt 16. The second elastic member 32A supports the camera 10A in a state in which a compressive force is applied by threading a fixing bolt 19, which is inserted into a spacer 18 from behind the rising portion 23, into a threaded hole 11a formed on the rear surface of the housing of the imaging unit 11. The fixing bolt 19 is a flanged bolt.

[0041] According to the support structure S1 of this embodiment described above, the first elastic member 31A and the second elastic member 32A are arranged at intervals in the front-to-rear and up-down directions of the vehicle body when projected onto the vertical plane H3, which effectively reduces both pitch vibrations and roll vibrations of the motorcycle M acting on the camera 10A.

[0042] Also in this embodiment, the first elastic member 31A and the second elastic member 32A are disposed between the camera 10A and the stay 20A with a predetermined compressive force applied thereto, so that both the pitch vibration and the roll vibration of the motorcycle M acting on the camera 10A can be effectively reduced compared to when the predetermined compressive force is not applied. Also, because the first elastic member 31A and the second elastic member 32A function as fixing means, the number of parts in the support structure S1 can be reduced, which contributes to cost reduction.

[0043] Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments and can be modified as appropriate without departing from the spirit of the present invention. For example, in the first embodiment, the first to third elastic members 31, 32, and 33 are attached to the stay 20 having one surface, but this is not limited thereto and they may be attached to a stay having two or more surfaces. In this case, the two or more surfaces may be independent and spaced apart from each other.

[0044] In addition, in the first embodiment, the vertices of the first to third elastic members 31, 32, and 33 are arranged to form the vertices of an isosceles triangle, but this is not limited to this, and they may be arranged to form the vertices of an equilateral triangle or a triangle of other shape.

[0045] Furthermore, in the first embodiment, a configuration in which the fixing is performed by the fixing bolt 16 has been described, but this is not limited thereto, and at least a portion may be fixed by the fixing bolt 19. Furthermore, in the second embodiment, a configuration in which the base 22 side is fixed by the fixing bolt 16 and the rising portion 23 side is fixed by the fixing bolt 19 has been described, but this is not limited thereto, and the base 22 side may be fixed by the fixing bolt 19 and the rising portion 23 side may be fixed by the fixing bolt 16. Furthermore, both the base 22 and the rising portion 23 may be fixed by the fixing bolt 19.

[0046] Furthermore, in the first embodiment, a three-point support structure using the first to third elastic members 31, 32, and 33 is shown, but this is not limited to this, and a structure supporting at two points using the first and second elastic members 31 and 32 is also possible, or a structure supporting at two points using the third and second elastic members 33 and 32 is also possible.

[0047] In the second embodiment, the rising portion 23 of the stay 20A rises at a substantially right angle from the rear end of the base 22, but this is not limitative, and the rising portion 23 may be formed so as to rise obliquely relative to the base 22. Furthermore, the base 22 and the rising portion 23 may be separated and independent from each other.

[0048] Furthermore, in the second embodiment, one of the first elastic member 31A and the second elastic member 32A may be disposed offset to the left or right relative to the other. In this manner, when the first elastic member 31A and the second elastic member 32A are projected onto the horizontal plane H1, they are disposed at intervals in the front-to-rear and left-to-right directions of the body of the motorcycle M. This more effectively reduces both the pitch vibration and the roll vibration of the motorcycle M acting on the camera 10A. Furthermore, in the second embodiment, a two-point support structure using the first elastic member 31A and the second elastic member 32A is shown, but this is not limited thereto. A three-point support structure may be formed by disposing a third elastic member between the camera 10A and the base portion 22 of the stay 20A or between the camera 10A and the rising portion 23 of the stay 20A. When the third elastic member is interposed between the camera 10A and the base portion 22 of the stay 20A, it is preferable to arrange the first elastic member 31A and the third elastic member with a space between them on the left and right. On the other hand, when the third elastic member is interposed between the camera 10A and the rising portion 23 of the stay 20A, it is preferable to arrange the second elastic member 32A and the third elastic member with a space between them on the left and right. In this way, the first elastic member 31A, the second elastic member 32A, and the third elastic member are arranged to form the vertices of a triangle when projected onto the horizontal plane H1. This makes it possible to more effectively reduce both pitch and roll vibrations of the motorcycle M acting on the camera 10A.

[0049] Furthermore, in the first and second embodiments, the spacer 18 does not necessarily have to be provided, and the fixing bolt 16 and the fixing bolt 19 may be configured to be inserted directly into the first to third elastic members 31, 32, 33 and the first and second elastic members 31A, 32A.

[0050] Furthermore, the first to third elastic members 31, 32, 33 and the first and second elastic members 31A, 32A may have various shapes as long as they have the function of damping vibrations input from the vehicle body.

[0051] Furthermore, in the first and second embodiments, the circumferential groove 31e is formed over the entire circumferential direction of the first to third elastic members 31, 32, 33, the first elastic member 31A, and the second elastic member 32A, but this is not limited to this, and the circumferential groove 31e may be formed over a portion of the circumferential direction in accordance with the shape of the mounting hole 21 of the stay 20, 20A.

[0052] 10, 10A Camera (imaging means) 20, 20A Stay 31 First elastic member 32 Second elastic member 33 Third elastic member 31A First elastic member 32A Second elastic member 31e Circumferential groove H1 Horizontal surface H2 Vertical surface (vertical surface with the front-rear direction as the normal direction) H3 Vertical surface (vertical surface with the left-right direction as the normal direction) M Motorcycle (mobile body) S, S1 Support structure

Claims

1. A support structure for supporting an imaging means on a moving body, comprising a first elastic member and a second elastic member interposed between the imaging means and the moving body, wherein the first elastic member and the second elastic member are arranged at intervals in the front-to-back and left-to-right directions of the moving body when projected onto a horizontal plane, or are arranged at intervals in the front-to-back and up-to-down directions of the moving body when projected onto a vertical plane with the left-to-right direction as the normal direction.

2. The support structure according to claim 1, wherein the first elastic member and the second elastic member are arranged between the imaging means and the moving body with a compressive force applied thereto.

3. A support structure as described in claim 1 or claim 2, characterized in that the first elastic member and the second elastic member are cylindrical with circumferential grooves formed on their outer surfaces, and are attached to the moving body via the circumferential grooves.

4. The support structure described in claim 1, further comprising a third elastic member interposed between the imaging means and the moving body, wherein the first elastic member, the second elastic member and the third elastic member are arranged so as to form the vertices of a triangle when projected onto the horizontal plane, the first elastic member is arranged at a distance from the second elastic member in one of the front-to-back and left-to-right directions of the moving body, and the third elastic member is arranged at a distance from the second elastic member in the other of the front-to-back and left-to-right directions of the moving body.

5. The support structure according to claim 4, wherein the third elastic member is disposed between the imaging means and the moving body with a compressive force applied thereto.

6. A support structure as described in claim 4 or claim 5, characterized in that the third elastic member is cylindrical with a circumferential groove formed on its outer surface and is attached to the moving body via the circumferential groove.

7. The support structure according to claim 1, wherein the moving body is a saddle-type vehicle.

Citation Information

Patent Citations

  • Support structure for sensor and its assembling method

    JP2003335180A

  • License plate photographing apparatus and camera mounting device

    JP2009071521A

  • On-vehicle camera attachment structure

    JP2016159875A

  • Camera mounting structure

    WO2022208721A1