WO2022254808A1 - Structure d'isolation de vibrations - Google Patents

Structure d'isolation de vibrations Download PDF

Info

Publication number
WO2022254808A1
WO2022254808A1 PCT/JP2022/006343 JP2022006343W WO2022254808A1 WO 2022254808 A1 WO2022254808 A1 WO 2022254808A1 JP 2022006343 W JP2022006343 W JP 2022006343W WO 2022254808 A1 WO2022254808 A1 WO 2022254808A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibration
elastic member
mounting portion
holding member
isolation structure
Prior art date
Application number
PCT/JP2022/006343
Other languages
English (en)
Japanese (ja)
Inventor
秀雄 宮野
智 武藤
一平 山腰
耕自 宮田
雅春 坂田
Original Assignee
ソニーグループ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ソニーグループ株式会社 filed Critical ソニーグループ株式会社
Priority to JP2023525388A priority Critical patent/JPWO2022254808A1/ja
Publication of WO2022254808A1 publication Critical patent/WO2022254808A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/02—Aircraft not otherwise provided for characterised by special use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00—Equipment not otherwise provided for
    • B64D47/08—Arrangements of cameras
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/087—Units comprising several springs made of plastics or the like material

Definitions

  • This technology relates to an anti-vibration structure that can be applied to imaging devices.
  • Patent Document 1 discloses an imaging system using an aircraft such as a drone.
  • a housing is attached to a drone or the like, and an arm is dynamically connected to the housing.
  • a camera module is connected to the tip of the arm.
  • the purpose of the present technology is to provide an anti-vibration structure capable of suppressing vibration of an imaging device.
  • a vibration isolation structure includes a holding member, a first elastic member, a second elastic member, and a third elastic member.
  • the holding member is a holding member that holds the imaging device, and has a first mounting portion, a second mounting portion, and a third mounting portion configured at mutually different positions for mounting on an object.
  • the first mounting portion and the second mounting portion are configured at positions symmetrical with respect to the center of gravity of the imaging device and the holding member as a whole when viewed in the vertical direction.
  • the third mounting portion is positioned inside a triangle formed by the respective positions of the first mounting portion and the second mounting portion and the position of itself.
  • the center of gravity is configured at the included location.
  • the first elastic member is arranged between the first mounting portion and the object, and configured such that a first direction is a main direction in which elastic force is applied to the holding member.
  • the second elastic member is arranged between the second attachment portion and the object, and configured such that the first direction is a main direction in which elastic force is applied to the holding member.
  • the third elastic member is disposed between the third mounting portion and the object, and a second direction different from the first direction is a main direction for applying an elastic force to the holding member. configured to be
  • a holding member that holds the imaging device is attached to the object via the first to third elastic members.
  • a first mounting portion and a second mounting portion to which the first elastic member and the second elastic member are respectively mounted are arranged at positions symmetrical with respect to the entire center of gravity of the imaging device and the holding member.
  • the third mounting portion to which the third elastic member is mounted is configured at a position where the center of gravity of the whole is contained within the triangle formed by the positions of the first to third mounting portions.
  • the first elastic member and the second elastic member are arranged such that the first direction is the main direction in which the elastic force acts.
  • the third elastic member is arranged such that the second direction different from the first direction is the main direction in which the elastic force acts. This makes it possible to suppress the vibration of the imaging device.
  • Each of the first elastic member, the second elastic member, and the third elastic member may be configured to extend along one direction and expand and contract along the extending direction.
  • the extending direction of each of the first elastic member and the second elastic member is arranged along the first direction
  • the extending direction of the third elastic member is the It may be arranged along the second direction.
  • the first direction and the second direction may be orthogonal to each other.
  • the first direction may be a vertical direction.
  • the second direction may be a direction perpendicular to the vertical direction.
  • the first elastic member may be connected to the first mounting portion from above in the vertical direction, and the second elastic member may be connected to the second mounting portion from above in the vertical direction. .
  • the first direction may be a direction perpendicular to the vertical direction.
  • the second direction may be a direction perpendicular to each of the first direction and the vertical direction.
  • the first elastic member is connected to the first mounting portion from the first side in the first direction
  • the second elastic member is connected to the first side in the first direction. It may be connected to the second mounting portion from an opposite second side.
  • the first elastic member and the second elastic member may be arranged on the same straight line along the first direction.
  • Each of the first mounting portion, the second mounting portion, and the third mounting portion may be configured at positions on the same plane along the holding member.
  • the holding members are configured at positions different from each other for attachment to the object, each configured at a position different from the first attachment portion, the second attachment portion, and the third attachment portion. You may have the above 4th attachment part.
  • the anti-vibration structure further includes one or more fourth elastic members arranged between each of the one or more fourth attachment portions and the object and applying elastic force to the holding member. may be provided.
  • the center of gravity of the whole may be located on an axis along the imaging optical axis of the imaging device when viewed from the vertical direction.
  • the first attachment portion and the second attachment portion may be arranged at positions that are symmetrical with respect to an axis along the imaging optical axis when viewed in the vertical direction.
  • Each of the first elastic member, the second elastic member, and the third elastic member extends along one direction, is configured to be stretchable along the extending direction, and It may have a first end and a second end facing each other along.
  • at least one of the first elastic member, the second elastic member, and the third elastic member has a relative position of the second end to the first end of It may be arranged between the holding member and the object while being shifted from the extending direction.
  • Each of the first elastic member, the second elastic member, and the third elastic member has a relative position of the second end with respect to the first end from the extending direction. It may be arranged between the holding member and the object in a displaced state.
  • Each of the first elastic member, the second elastic member, and the third elastic member may have the same configuration.
  • Each of the first elastic member, the second elastic member, and the third elastic member may be made of a rubber material.
  • the object may be a mobile object.
  • the mobile object may be a drone.
  • the object may have a fixing member to which the holding member is attached.
  • FIG. 1 is a perspective view showing an appearance example of a vibration isolation structure according to this embodiment; FIG. It is the side view which looked at the anti-vibration structure from the negative direction side of the Y direction.
  • FIG. 4 is a top view of the vibration isolation structure viewed from the positive side in the Z direction; FIG. 4 is a cross-sectional view taken along line AA of FIG. 3; FIG. 4 is a top view of the vibration isolation structure viewed from the positive side in the Z direction; It is a perspective view which shows the state from which the fixing member was removed. It is the side view which looked at the state from which the fixing member was removed from the negative direction side of a Y direction.
  • FIG. 4 is a top view of the anti-vibration structure for explaining the position of the center of gravity;
  • FIG. 4 is a side view of the rubber vibration isolator for explaining the fulcrum of the rubber vibration insulator.
  • FIG. 4 is a cross-sectional view of the anti-vibration structure for explaining the position of the mounting portion; 5 is a graph showing the relationship (attenuation characteristic) between the vibration applied to the fixing member and the vibration transmissibility with respect to the holding member. It is a perspective view which shows the example of an external appearance of a vibration-proof structure. It is the side view which looked at the anti-vibration structure from the negative direction side of the Y direction.
  • FIG. 4 is a top view of the vibration isolation structure viewed from the positive side in the Z direction; It is the side view which looked at the anti-vibration structure from the positive direction side of the X direction.
  • FIG. 5 is a graph showing the relationship (attenuation characteristic) between the vibration applied to the fixing member and the vibration transmissibility with respect to the holding member.
  • FIG. 4 is a top view of the vibration isolation structure viewed from the positive side in the Z direction; 21 is a cross-sectional view along line CC of FIG. 20;
  • FIG. 5 is a graph showing the relationship (attenuation characteristic) between the vibration applied to the fixing member and the vibration transmissibility with respect to the holding member.
  • FIG. 4 is a top view of the vibration isolation structure viewed from the positive side in the Z direction;
  • FIG. 24 is a cross-sectional view taken along line DD of FIG. 23;
  • FIG. 1 is a perspective view showing an appearance example of a vibration isolation structure 100 according to this embodiment.
  • FIG. 2 is a side view of the anti-vibration structure 100 viewed from the negative side in the Y direction.
  • FIG. 5 is a top view of the anti-vibration structure 100 viewed from the positive side in the Z direction.
  • the anti-vibration structure 100 can be used when the imaging device 5 is attached to an object such as a drone. By using the anti-vibration structure 100, it is possible to sufficiently suppress the vibration of the imaging device 5 when the drone or the like vibrates.
  • the technology is not limited to drones, and can be applied to any moving object such as automobiles and bicycles. Also, the present technology may be applied to objects other than moving objects. 1 to 5, illustration of objects (moving objects, etc.) is omitted.
  • the X direction shown in each drawing is the depth direction
  • the Y direction is the horizontal direction
  • the Z direction is the vertical direction.
  • the positive direction side (the side to which the arrow points) in the X direction is the front side
  • the opposite negative direction side is the back side.
  • the positive side of the Y direction (the side to which the arrow points) is the right side, and the opposite negative side is the left side.
  • the positive Z-direction side (the side to which the arrow points) is the upper side, and the opposite negative direction side is the lower side.
  • the anti-vibration structure 100 has a holding member 1, a fixing member 13, and three anti-vibration rubbers 2 (2-1 to 2-3).
  • the holding member 1 functions as a member that holds the imaging device 5 .
  • the holding member 1 has a plate shape that is substantially triangular when viewed from above.
  • the holding member 1 has an upper surface 3a, a lower surface 3b, and three side portions 4 (4a to 4c).
  • the side portion 4a is arranged so as to be orthogonal to the X direction (depth direction).
  • a holding structure 9 for holding the imaging device 5 is configured in the center of the side portion 4a.
  • the shape of the holding member 1 is not limited, and any shape such as a disk shape may be adopted as the shape viewed from above, for example. Further, the holding member 1 is made of a rigid material such as plastic. Of course, the material of the holding member 1 is not limited, and any material may be adopted.
  • the imaging device 5 has a substantially cylindrical shape, and has two circular bottoms 7 ( 7 a and 7 b ) and side portions 8 . As shown in FIG. 1 and the like, the imaging device 5 is held by a connecting member 10 for connecting the imaging device 5 to the holding member 1 .
  • the connection member 10 holds each of the bottom portions 7a and 7b of the imaging device 5.
  • the imaging device 5 is held by the holding member 1 by connecting the connecting member 10 to the holding structure 9 formed on the side portion 4 a of the holding member 1 .
  • the configuration of the holding structure 9 and the connecting member 10 and the method of connecting the imaging device 5 to the holding member 1 are not limited.
  • the shape of the imaging device 5 is not limited to a substantially cylindrical shape, and may have any shape.
  • a window portion 11 is provided in the side portion 8 of the imaging device 5 .
  • the window part 11 is configured as, for example, a transparent or translucent member.
  • a camera module is installed inside the imaging device 5 at a position facing the window portion 11 .
  • the camera module is installed so that the imaging optical axis 12 is perpendicular to the window 11 and faces the outside of the imaging device 5 . 1 to 3 and 5, the imaging optical axis 12 extends along the X-axis direction.
  • the imaging device 5 may be configured to be rotatable. Specifically, for example, the imaging device 5 may be configured to be rotatable about a central axis (not shown) passing through the center of the bottom portion 7a and parallel to the Y-axis.
  • the connecting member 10 may hold the imaging device 5 rotatably about the central axis.
  • the connection member 10 that holds the imaging device 5 may be rotatably connected to the holding structure 9 formed on the side portion 4a about a rotation axis parallel to the X-axis. In this case, in the state shown in FIG. 1, the imaging device 5 is rotatably held with respect to the holding member 1 with the imaging optical axis 12 as the rotation axis.
  • an arbitrary mechanism for rotating the imaging device 5 and the connecting member 10 may be provided inside the imaging device 5, the holding structure 9, the connecting member 10, and the like.
  • the imaging device 5 rotates around a central axis that passes through the center of the bottom portion 7a and is parallel to the Y-axis, the orientation of the window portion 11 changes along with the rotation. Therefore, the orientation of the imaging optical axis 12 also changes.
  • the holding member 1 holding the imaging device 5 is attached to an object such as a drone.
  • the holding member 1 and the object are connected to each other via the rubber vibration isolator 2 .
  • a drone is connected to the holding member 1, the drone, the holding member 1, and the imaging device 5 are integrated, and can function as a device that takes an image while flying, for example.
  • the object has a fixing member 13 to which the holding member 1 is attached.
  • the fixed member 13 functions as a member fixed to an object such as a drone, and can be regarded as one component of the object.
  • the holding member 1 holding the imaging device 5 is connected to the fixing member 13 via three anti-vibration rubbers 2-1 to 2-3.
  • any method such as fastening with screws may be employed.
  • the holding member 1 may be directly connected to an object such as a drone, without the fixing member 13, via the three anti-vibration rubbers 2-1 to 2-3.
  • the anti-vibration rubber 2 has an anti-vibration function.
  • vibration may occur due to the flight of the drone.
  • the fixing member 13 and the holding member 1 are connected via the three rubber vibration insulators 2-1 to 2-3, the effect of vibration on the holding member 1 is suppressed. Therefore, the influence of vibration on the imaging device 5 is also suppressed.
  • the fixing member 13 is arranged above the holding member 1 and is connected to the holding member 1 via three anti-vibration rubbers 2-1 to 2-3.
  • an object such as a mobile object is connected to the upper side of the fixed member 13, for example. That is, the fixing member 13 is fixed to the lower side of the object.
  • the fixing member 13 has a plate shape with a substantially triangular outer shape when viewed from above and a trapezoidal opening in the center.
  • the fixing member 13 has an upper surface 14a on the upper side, a lower surface 14b on the lower side, and three side portions 15 (15a to 15c).
  • the three side portions 15a to 15c of the fixing member 13 are arranged parallel to the three side portions 4a to 4c of the holding member 1 when viewed from above. That is, the side portion 15 a of the fixing member 13 extends in the same direction as the side portion 4 a of the holding member 1 .
  • Side portion 15 b of fixing member 13 extends in the same direction as side portion 4 b of holding member 1 .
  • the fixing member 13 has a front portion extending in the Y direction on the front side, a rear portion facing the front portion in the X direction and extending in the Y direction, a right end portion of the front portion, and a right end portion of the rear portion. It can also be said that it is composed of the connecting right side portion and the left side portion connecting the left end portion of the front portion and the left end portion of the rear portion.
  • the shape of the fixing member 13 is not limited, and any shape such as a disk shape may be adopted.
  • the fixing member 13 is made of a rigid material such as plastic. Of course, the material of the fixing member 13 is not limited, and any material may be adopted.
  • the anti-vibration structure 100 has a vertical direction (a direction along the direction of gravity) in the Z direction, and a downward direction (a direction opposite to the direction of the arrow on the Z axis) on which gravity acts. It is configured with the case of orientation as a reference posture. Therefore, in the reference posture, for example, the upper surface 3a and the lower surface 3b of the holding member 1 and the upper surface 14a and the lower surface 14b of the fixing member 13 are parallel to the horizontal direction perpendicular to the vertical direction. Also, for the imaging device 5, the state in which the imaging optical axis 12 is parallel to the X direction is taken as the reference posture.
  • the anti-vibration structure 100 when the anti-vibration structure 100 is attached to an object such as a drone, the anti-vibration structure 100 is attached so as to be in a reference posture when the object is in a reference state for operation. . That is, the anti-vibration structure 100 is attached to the object so that the state of the reference posture is the normal use state.
  • the anti-vibration structure 100 it is not limited to this, and it is also possible to use the anti-vibration structure 100 in a state slightly tilted from the reference posture.
  • FIG. 6 is a perspective view showing a state in which the fixing member 13 is removed.
  • FIG. 7 is a side view of the state in which the fixing member 13 is removed, viewed from the negative direction side in the Y direction.
  • FIG. 8 is a top view of the state in which the fixing member 13 is removed, viewed from the positive side in the X direction. 6 to 8 show a state in which the fixing member 13 is removed.
  • the holding member 1 has three mounting portions 19, a mounting portion 19-1, a mounting portion 19-2, and a mounting portion 19-3.
  • the three mounting portions 19 are configured at mutually different positions in order to mount the holding member 1 holding the imaging device 5 to an object.
  • the attachment portion 19-1 a through hole having a circular shape when viewed from above and extending in the vertical direction is formed in the left end portion of the side portion 4a on the front side of the holding member 1. be done.
  • the mounting portion 19-2 a vertically extending through-hole having a circular shape when viewed from above is formed in the right end portion of the front side portion 4a of the holding member 1. As shown in FIG.
  • Each through-hole of the mounting portions 19-1 and 19-2 has a shape with a larger diameter on the upper side (the side in contact with the upper surface) and a smaller diameter on the lower side (the side in contact with the lower surface).
  • a portion of the mounting portion 19-1 that has a through hole with a small diameter is hereinafter referred to as a through hole 20-1.
  • a portion of the mounting portion 19-1 that is a through-hole having a small diameter is referred to as a through-hole 20-2.
  • a through hole extending in the depth direction is formed as the mounting portion 19-3.
  • the mounting portion 19-3 positioned below the fixing member 13 is shown so as to be visible.
  • the mounting portion 19-3 is formed at a position near the corner of the upper surface 3a on the depth direction side.
  • the through hole of the mounting portion 19-3 has a shape with a large diameter on the far side and a small diameter on the front side.
  • a portion of the attachment portion 19-3 that has a through hole with a small diameter is hereinafter referred to as a through hole 20-3.
  • each of the mounting portions 19-1 to 19-3 is configured at different positions.
  • the positions of the mounting portions 19-1 to 19-3 are not limited to the example shown in FIG. 1 and the like, and may be different arbitrary positions.
  • mounting portions 19-1 to 19-3 may be configured near the center of each side of the triangle.
  • the orientation, shape, etc. of each of the mounting portions 19-1 to 19-3 are not limited, and any configuration may be adopted.
  • the mounting portion 19-1 corresponds to an embodiment of the first mounting portion according to the present technology.
  • the attachment portion 19-2 corresponds to an embodiment of a second attachment portion according to the present technology.
  • the mounting portion 19-3 corresponds to an embodiment of a third mounting portion according to the present technology.
  • FIG. 9 is a schematic diagram showing a configuration example of the anti-vibration rubber 2. As shown in FIG. FIG. 9A is a side view showing an example of the appearance of the anti-vibration rubber 2. FIG. 9B is a cross-sectional view taken along line BB of FIG. 9A. FIG. 9C is a top view of the anti-vibration rubber 2 viewed from above in FIG. 9A.
  • the anti-vibration rubber 2-1 is attached to the attachment portion 19-1.
  • the anti-vibration rubber 2-2 is attached to the attachment portion 19-2.
  • the anti-vibration rubber 2-2 is attached to the attachment portion 19-3.
  • each of the anti-vibration rubbers 2-1 to 2-3 has the same shape.
  • the anti-vibration rubbers 2 (2-1 to 2-3) have the shape of a rotating body with a predetermined axis as the central axis 24, and have a substantially cylindrical shape.
  • the vibration-proof rubber 2 has a flange-shaped flange portion 25 that protrudes outward with respect to the central shaft 24 and an elastic portion 26 that protrudes outward.
  • the anti-vibration rubber 2 includes two flanges 25 (25-1, 25-2) and two elastic portions 26 (26-1, 26-2).
  • An opening 27 that protrudes in the direction along the central axis 24 is formed at one end of the rubber vibration isolator 2 .
  • the position of the end of the vibration isolator 2 on the central axis 24 on the side of the opening 27 is referred to as the tip 28 of the vibration isolator 2 .
  • the anti-vibration rubber 2 has an opening portion 27, a flange portion 25-2, an elastic portion 26-2, an elastic portion 26-1, and a flange portion 25-1 in this order from the tip 28 side along the central axis 24. Configured.
  • the position of the end portion of the rubber vibration isolator 2 on the side of the flange 25 - 1 on the central shaft 24 is referred to as the end 29 of the rubber vibration isolator 2 .
  • each of the anti-vibration rubbers 2-1 to 2-3 is made of the same material. Specifically, each of the anti-vibration rubbers 2-1 to 2-3 is made of the same elastic material. In this embodiment, each of the anti-vibration rubbers 2-1 to 2-3 is made of a rubber material. Specifically, a rubber material such as butyl rubber or silicone rubber is used. As a result, each of the anti-vibration rubbers 2-1 to 2-3 can stably exert its elastic force.
  • Elastic materials include any material capable of generating an elastic force. For example, a plastic material whose hardness is adjusted to generate elastic force is also included in the elastic material.
  • each of the rubber vibration insulators 2-1 to 2-3 has the same configuration. That is, each of the rubber vibration insulators 2-1 to 2-3 has the same shape and is made of the same material. Thereby, it is possible to suppress the parts cost in manufacturing the rubber vibration isolator 2 . In addition, since the vibration isolator 2 can be used without discrimination, the working efficiency when installing or exchanging the vibration isolator 2 is improved.
  • each of the anti-vibration rubbers 2-1 to 2-3 may have the same configuration and may be made of different materials. Further, each of the rubber vibration insulators 2-1 to 2-3 may be made of the same material and may have different shapes. Even in this case, it is possible to reduce the parts cost in manufacturing the rubber vibration isolator 2 . In addition, the material and shape of each vibration isolator 2 are not limited.
  • Each of the anti-vibration rubbers 2-1 to 2-3 extends along one direction. Specifically, as shown in FIG. 9, the anti-vibration rubber 2 extends along the direction of the central axis 24 .
  • the vibration isolator 2 when the vibration isolator 2 is arranged so that the central axis 24 is parallel to the Z direction, the vibration isolator 2 extends along the Z direction.
  • each of the rubber vibration insulators 2-1 to 2-3 is configured to be expandable and contractable along the extending direction. For example, when the tip 28 of the rubber vibration isolator 2 is pushed toward the end 29 and the end 29 is pushed toward the tip 28 , when both ends of the rubber vibration isolator 2 are compressed, the entire rubber vibration isolator 2 is It contracts in the direction of the central axis 24 (extending direction). Elastic force is exerted by contraction of the rubber vibration isolator 2 .
  • the specific shape of the vibration isolator 2, the extending direction, the stretching direction, the direction in which the elastic force acts, etc. are not limited. Any configuration may be employed. Also, a configuration in which the rubber vibration isolator 2 does not extend along one direction or a configuration in which it cannot expand and contract along the extending direction may be employed.
  • the anti-vibration rubber 2-1 corresponds to one embodiment of the first elastic member according to the present technology.
  • the anti-vibration rubber 2-2 corresponds to an embodiment of the second elastic member according to the present technology.
  • the anti-vibration rubber 2-3 corresponds to an embodiment of the third elastic member according to the present technology.
  • Each of the rubber vibration insulators 2-1 and 2-2 extends along the vertical direction, and the rubber vibration insulator 2-3 extends along the depth direction.
  • the through hole 20-1 of the mounting portion 19-1 is formed along the vertical direction
  • the anti-vibration rubber 2-1 is formed along the vertical direction with respect to the through hole 20-1. inserted.
  • the through-hole 20-2 of the mounting portion 19-2 is formed along the vertical direction
  • the rubber vibration isolator 2-2 is inserted along the vertical direction into the through-hole 20-2.
  • the through-hole 20-3 of the mounting portion 19-3 is formed along the depth direction, and the rubber vibration isolator 2-3 is inserted along the depth direction into the through-hole 20-3.
  • FIG. 1 and the like show a state in which the rubber vibration isolator 2 is attached. 3 and 4, illustration of the anti-vibration rubber 2 is omitted.
  • the anti-vibration rubber 2-1 is connected to the mounting portion 19-1 from above in the vertical direction. Specifically, for example, the anti-vibration rubber 2-1 is inserted into the through-hole 20-1 from above in the vertical direction with the tip 28 directed toward the mounting portion 19-1.
  • the through-hole 20-1 and the vibration-proof rubber 2-1 are configured such that the diameter of the through-hole 20-1 is larger than that of the opening 27 and smaller than that of the flange 25-2. Accordingly, when the rubber vibration isolator 2-1 is inserted from above, the flange 25-2 is caught in the through hole 20-1. At this time, the opening 27 is exposed from the lower side of the through-hole 20-1.
  • the collar 25-2 is elastic and is folded upward. It passes through the through hole 20-1 while being deformed so as to be bent. Therefore, the through hole 20-1 is positioned between the flange 25-2 and the elastic portion 26-2, and the opening 27 and the flange 25-2 are exposed from the lower side of the through hole 20-1. Become. In this manner, the vibration isolator 2-1 is fixed to the mounting portion 19-1, and connection is realized.
  • the anti-vibration rubber 2-2 is connected to the mounting portion 19-2 from above in the vertical direction. That is, the connection is made with the tip 28 directed downward in the vertical direction.
  • the anti-vibration rubber 2-3 is connected to the mounting portion 19-3 from the front side in the depth direction. That is, the connection is made with the distal end 28 directed toward the back side.
  • FIG. 5 shows the anti-vibration rubber 2-3 hidden below the fixing member 13 so that it can be visually recognized.
  • the anti-vibration rubber 2-3 is inserted into the mounting portion 19-3 from the front side, for example, with the tip 28 directed toward the back side. When the tip 28 is pulled in this state, it first passes through the through hole 20-3 while being deformed so that the collar 25-2 is folded. After that, the elastic portion 26-2 and the elastic portion 26-1 pass through the through hole 20-3 while being deformed so as to contract.
  • the through hole 20-3 is positioned between the flange 25-1 and the elastic portion 26-1, and the opening 27, the flange 25-2, and the elastic portion 26 are arranged on the depth direction side of the through hole 20-3. -2 and the elastic portion 26-1 are exposed. In this manner, the vibration isolator 2-3 is connected to the mounting portion 19-3.
  • the fixing member 13 has three mounting portions 32 (mounting portion 32-1, mounting portion 32-2 and mounting portion 32-3).
  • the mounting portion 32-1 a vertically extending through hole having a circular shape when viewed from above is formed in the left end portion of the side portion 15a on the front side of the fixing member 13. be done.
  • the mounting portion 32-1 is configured to extend to the mounting portion 19-1 along the vertical direction.
  • a vertically extending through-hole having a circular shape when viewed from above is formed in the right end portion of the front side portion 15a of the fixing member 13. As shown in FIG.
  • the attachment portion 32-2 is configured to extend to the attachment portion 19-2 along the vertical direction.
  • Each through hole of the mounting portions 32-1 and 32-2 has a shape with a larger diameter on the upper side (the side in contact with the upper surface) and a smaller diameter on the lower side (the side in contact with the lower surface).
  • the portion of the attachment portion 32-1 that has a through hole with a small diameter will be referred to as a through hole 33-1.
  • a portion of the mounting portion 32-2 that is a through-hole having a small diameter is referred to as a through-hole 33-2.
  • the mounting portion 32-3 is configured as a plate-shaped member having a through hole extending in the depth direction.
  • the mounting portion 32-3 is connected to a position near the corner on the rear side of the lower surface 14b.
  • the mounting portion 32-3 is configured to extend to the mounting portion 19-3 along the depth direction.
  • the orientation, shape, position, etc. of the mounting portions 32-1 to 32-3 are not limited, and any configuration may be adopted.
  • the vibration isolator 2 is connected to the mounting portion 32 .
  • the method of connecting the vibration isolator 2-1 to 2-3 to the mounting portions 32-1 to 32-3 is the same as the connecting method to the mounting portions 19-1 to 19-3.
  • the anti-vibration rubber 2 is connected to both the holding member 1 and the fixing member 13 .
  • the anti-vibration rubber 2 is connected to the mounting portion 19-3 of the holding member 1 and the mounting portions 32-1 and 32-2 of the fixing member 13 first. After that, the anti-vibration rubber 2 is connected to the mounting portions 19-1 and 19-2 of the holding member 1 and the mounting portion 32-3 of the fixing member 13. As shown in FIG. In this way, connections are possible for both sides.
  • the connection method and connection order of the vibration isolator 2-1 to 2-3 to the mounting portions 19 and 32 are not limited.
  • the anti-vibration rubber 2-1 is arranged between the mounting portion 19-1 and the object, and is configured so that the vertical direction is the main direction in which elastic force acts on the holding member 1. As shown in FIG. A main direction is a direction in which elastic force mainly acts. That is, in the rubber vibration isolator 2-1, the elastic force along the extending direction (vertical direction) generated by expansion and contraction becomes the largest.
  • the vibration isolator 2-1 is arranged so that the central axis 24 is parallel to the vertical direction. . That is, it is placed between the mounting portion 19-1 and the object while facing the vertical direction.
  • the holding member 1 is vertically suspended via the rubber vibration isolator 2-1.
  • a force acts in the vertical direction from the fixing member 13 to the anti-vibration rubber 2-1.
  • force acts in the vertical direction from the holding member 1 as well.
  • the anti-vibration rubber 2 - 1 can expand and contract along the extension direction, it expands and contracts in the vertical direction due to the force received from the fixing member 13 and the holding member 1 . That is, the rubber vibration isolator 2-1 exerts an elastic force in the vertical direction, and the elastic force acts on the holding member 1 and the fixing member 13 in the vertical direction.
  • the force in the horizontal direction acts on the rubber vibration isolator 2-1 from the fixing member 13 and the holding member 1.
  • FIG. the anti-vibration rubber 2-1 is deformed so as to be distorted in the horizontal direction. Therefore, a force acts to restore the deformation. That is, an elastic force acts on the holding member 1 and the fixing member 13 in the horizontal direction.
  • the easiness of deformation of the rubber vibration isolator 2-1 in the horizontal direction is smaller than the easiness of deformation in the vertical direction. That is, when receiving the same amount of force, it expands and contracts greatly in the vertical direction, but does not deform so much in the horizontal direction. Therefore, the lateral elastic force acting on the holding member 1 and the fixing member 13 is small. The same applies to the elastic force in the depth direction.
  • the main direction in which the elastic force acts on the holding member 1 is the vertical direction.
  • the main direction in which the rubber vibration isolator 2-1 exerts an elastic force on the holding member 1 may be referred to as the "acting direction of the rubber vibration isolator 2-1".
  • expressions such as “action direction of the vibration isolator 2-2" and “action direction of the vibration isolator 2-3" may be used.
  • the rubber vibration insulator 2-2 is arranged between the mounting portion 19-2 and the object, and is arranged so that the vertical direction is the main direction in which elastic force acts on the holding member 1. configured to Since the anti-vibration rubber 2-2 is arranged facing the vertical direction, the direction of action is the vertical direction.
  • the vertical direction corresponds to one embodiment of the first direction according to the present technology.
  • the rubber vibration isolator 2-3 is arranged between the mounting portion 19-3 and the object, and the direction different from the main direction in which the rubber vibration insulators 2-1 and 2-2 exert elastic force is the holding direction. It is configured to be the main direction in which elastic force is applied to the member 1 .
  • the direction of action of the anti-vibration rubbers 2-1 and 2-2 is the vertical direction.
  • the anti-vibration rubber 2-3 is arranged facing the depth direction, the direction of action is the depth direction.
  • the depth direction corresponds to an embodiment of a second direction different from the first direction according to the present technology.
  • the main direction in which the vibration isolator 2-1 and the vibration isolator 2-2 apply elastic force and the main direction in which the vibration isolator 2-3 applies elastic force are perpendicular to each other.
  • the directions of action of the rubber vibration insulators 2-1 and 2-2 are vertical, and the directions of action of the rubber vibration insulator 2-3 are the depth direction, so that they are perpendicular to each other.
  • the combination is not limited to the vertical direction and the depth direction.
  • the anti-vibration rubber 2-1 and the anti-vibration rubber 2-2 act in the vertical direction
  • the anti-vibration rubber 2-3 acts not only in the depth direction but also in any direction orthogonal to the vertical direction.
  • the acting directions are not limited.
  • the anti-vibration rubbers 2-1 and 2-2 act in the vertical direction
  • the anti-vibration rubber 2-3 may act in a direction slightly tilted left or right from the vertical direction.
  • each of the vibration isolating rubbers 2-1 and 2-2 is arranged so that its extending direction is along the vertical direction.
  • the anti-vibration rubbers 2-1 and 2-2 are arranged so that the central axis 24 is parallel to the vertical direction.
  • the anti-vibration rubber 2-3 is arranged so that its extending direction is along the depth direction.
  • the anti-vibration rubber 2-3 is arranged so that the central axis 24 is parallel to the depth direction.
  • FIG. 10 is a graph showing the relationship (attenuation characteristic) between the vibration applied to the fixing member 13 and the vibration transmissibility with respect to the holding member 1. As shown in FIG. In this experiment, the vibration transmissibility with respect to the holding member 1 was measured when vibration of 100 Hz was applied to the fixing member 13 .
  • a solid line shows a graph of the configuration of the present embodiment and the configuration of the comparative example.
  • the configuration of this embodiment is a configuration in which the rubber vibration isolators 2-1 and 2-2 are connected in the vertical direction, and the rubber vibration isolators 2-3 are connected in the depth direction (1 point lateral support + 2 points upper support).
  • a configuration given as a comparative example is a configuration (three-point top support) in which all three rubber vibration insulators 2 having the same configuration as the rubber vibration insulator 2 of the present technology are connected in the vertical direction. That is, the configuration of the comparative example corresponds to the configuration of the present embodiment in which the rubber vibration insulators 2-3 are connected in the vertical direction.
  • a point 38x represents the value of the vibration transmissibility with respect to the holding member 1 when vibration is applied to the fixing member 13 in the X direction (depth direction) in the configuration of this embodiment.
  • the value of the point 38x is generally slightly smaller than one.
  • a point 39x represents the value of the vibration transmissibility when vibration is applied in the X direction in the configuration given as a comparative example.
  • the value of the point 39x is generally slightly larger than one. That is, when vibration is applied in the X direction, the configuration of this embodiment has a smaller vibration transmissibility.
  • Points 38y and 39y represent the relationship between the vibration frequency and the vibration transmissibility when vibration is applied in the Y direction (horizontal direction). Also in this case, the configuration of this embodiment has a smaller vibration transmissibility. Points 38z and 39z represent the relationship between the vibration frequency and the vibration transmissibility when vibration is applied in the Z direction (vertical direction). Also in this case, the configuration of this embodiment has a smaller vibration transmissibility.
  • the configuration of the present embodiment has a lower vibration transmissibility than the configuration of the comparative example for vibrations in any of the X-direction, Y-direction, and Z-direction.
  • the vibration transmissibility is reduced.
  • the holding member 1 is not supported from directions other than the vertical direction. Therefore, when vibration in directions other than the vertical direction (for example, depth direction or lateral direction) is applied to the fixing member 13, the holding member 1 tends to vibrate in directions other than the vertical direction.
  • the holding member 1 is supported in the depth direction by the vibration isolator 2-3 connected in the depth direction. Therefore, it is presumed that vibrations in directions other than the vertical direction are suppressed and the vibration transmissibility is reduced.
  • the vibration isolation structure 100 has a smaller vibration transmissibility with respect to the holding member 1 than the vibration isolation structure 100 in which all of the vibration isolation rubbers 2-1 to 2-3 are connected upward. , has a high anti-vibration function. That is, it becomes possible to suppress the vibration of the imaging device 5 .
  • the holding member 1 is not limited to the case where the connecting directions of the vibration isolating rubbers 2-1 and 2-2 and the vibration isolating rubber 2-3 are orthogonal to each other as in the present embodiment, but if the connection directions are different, the holding member 1 can be It will be supported from multiple directions. Accordingly, even in such a case, the vibration transmissibility is reduced, and the vibration isolation structure 100 can exhibit a high vibration isolation function.
  • FIG. 11 is a top view of the anti-vibration structure 100 for explaining the position of the center of gravity. Similar to FIG. 5, FIG. 11 shows a view of the anti-vibration structure 100 viewed from the positive side in the Z direction. Also, the mounting portion 19-3 hidden below the fixing member 13 is shown so as to be visible.
  • FIG. 12 is a side view of the vibration isolator 2 for explaining the fulcrum of the vibration isolator 2.
  • FIG. FIG. 13 is a cross-sectional view of the anti-vibration structure 100 for explaining the positions of the mounting portions 19-1 and 19-2. 13, like FIG. 4, is a cross-sectional view taken along line AA of FIG. 3.
  • FIG. 11 is a top view of the anti-vibration structure 100 for explaining the position of the center of gravity. Similar to FIG. 5, FIG. 11 shows a view of the anti-vibration structure 100 viewed from the positive side in the Z direction. Also, the mounting portion 19-3 hidden below the fixing member 13 is shown so as to be visible
  • the center of gravity 44 of the imaging device 5 and the holding member 1 as a whole is indicated by a black circle.
  • the center of gravity 44 is located at the center of the fixing member 13 in the left-right direction and slightly forward of the center in the depth direction.
  • the fulcrums 45 and 46 of the rubber vibration isolator 2 are indicated by hatched circles.
  • the fulcrum of the vibration isolator 2 is a support point that supports the holding member 1 and the fixing member 13 when the vibration isolator 2 is connected to the holding member 1 and the fixing member 13 .
  • the fulcrum 45 is a support point that supports the fixed member 13 .
  • the fulcrum 45 is positioned on the center shaft 24 at the same height as the surface of the flange 25-1 on the tip 28 side.
  • the fulcrum 46 is a support point that supports the holding member 1 .
  • the fulcrum 46 is positioned on the center shaft 24 at the same height as the surface of the flange 25-2 on the tip 28 side.
  • the positions of the fulcrums 45 and 46 are not limited.
  • the fulcrum 45 or 46 may be positioned on the center shaft 24 at a height midway between the flanges 25-1 and 25-2.
  • the fulcrum 45-1 is the position of the fulcrum 45 of the rubber vibration isolator 2 when the rubber vibration isolator 2 is attached to the mounting portion 32-1.
  • the fulcrum 45-1 is located at the center of the through hole 33-1 on the bottom surface of the mounting portion 32-1.
  • a fulcrum 46-1 is the position of the fulcrum 46 of the rubber vibration isolator 2 when the rubber vibration isolator 2 is attached to the mounting portion 19-1.
  • the fulcrum 46-1 is located at the center of the through hole 20-1 on the bottom surface of the mounting portion 19-1.
  • the fulcrum 45-2 is the position of the fulcrum 45 of the vibration isolator 2 when the vibration isolator 2 is attached to the mounting portion 32-2.
  • the fulcrum 45-2 is positioned at the center of the through hole 33-2 on the bottom surface of the mounting portion 32-2.
  • the fulcrum 46-2 is the position of the fulcrum 46 of the vibration isolator 2 when the vibration isolator 2 is attached to the mounting portion 19-2.
  • the fulcrum 46-2 is located at the center of the through hole 20-2 on the bottom surface of the mounting portion 19-2.
  • fulcrum 45-1 when viewed from the vertical direction, the fulcrum 45-1 is positioned at the center of the through hole 33-1. Similarly, fulcrums 46-1, 45-2 and 46-2 are also located at the centers of respective through holes 20-1, 33-2 and 20-2.
  • the position of the fulcrum 46-1 is the position of the mounting portion 19-1.
  • the position of the fulcrum 46-2 is the position of the mounting portion 19-2.
  • the position of the mounting portion 19-1 is not limited to the position of the fulcrum 46-1, and may be any position. This also applies to the position of the mounting portion 19-2.
  • the mounting portions 19-1 and 32-1 are configured to extend along the vertical direction. Therefore, the fulcrums 45-1 and 46-1 are at the same position when viewed from the vertical direction. Similarly, the fulcrums 45-2 and 46-2 are also at the same position. Therefore, when viewed from the vertical direction, the position of the mounting portion 19-1 and the position of the fulcrum 45-1 match. Similarly, the position of the mounting portion 19-2 and the position of the fulcrum 45-2 match.
  • the position of the fulcrum 45-1 (46-1) (that is, the position of the mounting portion 19-1) when viewed from the vertical direction is indicated by a hatched circle.
  • the fulcrums 45-1 and 46-1 are located at the center of the anti-vibration rubber 2-1.
  • the position of the fulcrum 45-2 (46-2) (that is, the position of the mounting portion 19-2) is indicated by a hatched circle.
  • the fulcrums 45-1 and 46-1 are located at the center of the anti-vibration rubber 2-2.
  • the mounting portions 19-1 and 19-2 are arranged at symmetrical positions with respect to the center of gravity of the imaging device 5 and the holding member 1 as a whole when viewed in the vertical direction. That is, the positions of the fulcrums 46-1 and 46-2 are symmetrical with respect to the center of gravity 44 when viewed in the vertical direction.
  • the state of symmetry includes a state of line symmetry and point symmetry with respect to the center of gravity 44 .
  • the center of gravity 44 is positioned on an axis along the imaging optical axis 12 of the imaging device 5 when viewed from the vertical direction, and the mounting portions 19-1 and 19-2 are positioned vertically. When viewed, they are arranged in positions that are symmetrical with respect to an axis along the imaging optical axis. That is, the positions of the mounting portions 19-1 and 19-2 are line symmetrical with respect to the center of gravity 44. As shown in FIG.
  • Axle 47 is shown in dashed lines in FIG. Axis 47 corresponds to one embodiment of an axis along the imaging optical axis according to the present technology.
  • the imaging optical axis 12 is a straight line passing through the center of the window portion 11 , parallel to the X-axis, and on the front side of the window portion 11 .
  • the axis along the imaging optical axis 12 is a straight line that passes through the center of the window portion 11 and is parallel to the X axis. That is, the axis 47 is a straight line extending the imaging optical axis 12 in the depth direction.
  • center of gravity 44 is located on axis 47 .
  • a balancer weight
  • the center of gravity 44 is located on the right side with respect to the axis 47
  • the balancer is arranged on the left side of the holding member 1.
  • the center of gravity 44 moves leftward. Adjustments are made so that the center of gravity 44 is located on the axis 47 by appropriately setting the mass of the balancer, the placement location, and the like.
  • the method for adjusting the position of the center of gravity 44 is not limited.
  • the position of the center of gravity 44 may be adjusted by changing the locations of various members other than the balancer.
  • the mounting portions 19-1 and 19-2 are arranged at positions that are line symmetrical with respect to the axis 47. As shown in FIG. That is, the positions of the fulcrums 46-1 and 46-2 are symmetrical with respect to the axis 47. As shown in FIG. Specifically, the straight line connecting the fulcrum 46-1 and the fulcrum 46-2 is perpendicular to the axis 47. As shown in FIG. Also, the distance between the fulcrum 46-1 and the shaft 47 is equal to the distance between the fulcrum 46-2 and the shaft 47. FIG. In order to realize such an arrangement, the positions of the fulcrums 46-1 and 46-2 are appropriately set with the shaft 47 as a reference.
  • a configuration may be employed in which the positions of the mounting portions 19-1 and 19-2 are symmetrical with respect to the center of gravity 44.
  • the symmetrical state with respect to the center of gravity 44 is not limited to line symmetry or point symmetry, and may include any state that is considered to be symmetrical.
  • the mounting portions 19-1 and 19-2 are configured at asymmetrical positions with respect to the center of gravity 44, when an object such as the moving body or the fixed member 13 vibrates, the anti-vibration rubber 2 A large force acts on only one of the anti-vibration rubbers 2 of -1 or 2-2.
  • a large force acts on the vibration isolator 2-1 and a small force acts on the vibration isolator 2-2. That is, in the holding member 1, a large force acts on the vicinity of the attachment portion 19-1, and a small force acts on the vicinity of the attachment portion 19-2. In this way, since force acts asymmetrically on the holding member 1, the holding member 1 is in an unstable state and is likely to vibrate.
  • the vibration of the imaging device 5 is suppressed. Since the mounting portions 19-1 and 19-2 are arranged in line symmetry, the holding member 1 is very stable. Therefore, the vibration of the imaging device 5 is further suppressed.
  • the mounting portion 19-3 when viewed from the vertical direction, has a center of gravity inside a triangle formed by the positions of the mounting portions 19-1 and 19-2 and the position of itself. 44 is configured at a location that includes.
  • the position of the mounting portion 19-3 is a support point at which the anti-vibration rubber 2-3 supports the holding member 1, like the mounting portions 19-1 and 19-2.
  • the position of the fulcrum 46-3 which is the support point at which the anti-vibration rubber 2-3 supports the holding member 1, is indicated by a hatched circle.
  • the fulcrum 46-3 is located at the center of the through hole 20-3 on the bottom surface of the mounting portion 19-3. This position is the position of the mounting portion 19-3.
  • FIG. 11 also shows a triangle 48 connecting the fulcrums 45-1 (46-1), 45-2 (46-2) and 46-3.
  • a triangle 48 connecting the respective fulcrums 45-1 (46-1), 45-2 (46-2) and 46-3 forms the attachment portions 19-1, 19-2 and 19-3.
  • Centroid 44 is contained within triangle 48 . Specifically, it is located at the center of the triangle 48 in the left-right direction and slightly forward of the center in the depth direction.
  • the position of the center of gravity 44 is adjusted, for example, by a balancer, so that the center of gravity 44 is contained within the triangle 48 .
  • the positions of the mounting portions 19-1, 19-2, or 19-3 may be adjusted as appropriate. In this case, for example, first, the positions of the mounting portions 19-1 and 19-2 are determined so as to be symmetrical with respect to the center of gravity 44, and then the positions of the mounting portions 19-1 and 19-2 are used as references. The location of each mounting portion 19-1, 19-2, or 19-3 is determined in such a manner as to determine the location of 19-3.
  • the position of the mounting portion 19-3 is not limited to the position of the fulcrum 46-3, and may be any position.
  • the support point at which the anti-vibration rubber 2-3 supports the fixing member 13 may be the position of the mounting portion 19-3.
  • the center of gravity 44 is included inside the triangle 48 when viewed from the vertical direction. That is, for example, even if the mounting portion 19-3 is arranged at a position that is greatly moved downward in the vertical direction from the position shown in FIG. 11, the position when viewed from the vertical direction does not change. Therefore, the center of gravity 44 is also included inside the triangle 48 .
  • the center of gravity 44 may not be included inside the triangle 48 when viewed from the vertical direction when not in the reference posture.
  • the state in which the Z direction is the vertical direction in FIG. 11 is the reference posture.
  • triangle 48 is parallel to the XY plane.
  • the center of gravity 44 is located on the lower side of the triangle 48 (negative side in the Z direction, side in the direction of gravity).
  • the triangle 48 will appear as a line segment with no area when viewed from the vertical direction.
  • the center of gravity 44 was originally located on the lower side of the triangle 48, it appears on the left side of the triangle 48 (line segment) after rotation.
  • the center of gravity 44 when viewed from the vertical direction, the center of gravity 44 is not included in the triangle 48 .
  • the posture rotated by 90 degrees is not the reference posture, there is no problem even if the center of gravity 44 is not included in the triangle 48 in this case. It is only necessary that the center of gravity 44 is included inside the triangle 48 when viewed from the vertical direction when the object is in the reference posture.
  • the center of gravity 44 does not have to be included in the triangle 48 when viewed from directions other than the vertical direction.
  • the center of gravity 44 may not be included in the triangle 48 when viewed horizontally.
  • graphs of the configuration of this embodiment and the configuration of the comparative example are indicated by solid lines.
  • the configuration of this embodiment is a configuration in which the center of gravity 44 is included inside the triangle 48 (the center of gravity is inside).
  • a configuration given as a comparative example is a configuration in which the center of gravity 44 is not included inside the triangle 48 (the center of gravity is outside).
  • a point 53x represents the value of the vibration transmissibility when vibration is applied in the X direction in the configuration of this embodiment.
  • a point 54x represents the value of the vibration transmissibility when vibration is applied in the X direction in the configuration given as a comparative example. That is, when vibration is applied in the X direction, the configuration of this embodiment has a smaller vibration transmissibility.
  • the configuration of this embodiment also has a lower vibration transmissibility with respect to vibrations in the Y and Z directions.
  • the result is that the vibration transmissibility is reduced.
  • the center of gravity 44 is not included inside the triangle 48, the distance between the mounting portion 19-1 and the center of gravity 44, the distance between the mounting portion 19-2 and the center of gravity 44, and the distance between the mounting portion 19-3 and the center of gravity A large difference is produced in each of the distances from 44 . Therefore, when an object such as the moving body or the fixed member 13 vibrates, a difference is produced in the magnitude of force acting on each of the anti-vibration rubbers 2-1 to 2-3. For example, a large force acts on the vibration isolator 2-1, and a small force acts on the vibration insulators 2-2 and 2-3.
  • the holding member 1 in the holding member 1, a large force acts near the mounting portion 19-1, and a small force acts near the mounting portions 19-2 and 19-3. In this way, since force acts asymmetrically on the holding member 1, the holding member 1 is in an unstable state and is likely to vibrate.
  • the center of gravity 44 is biased, the holding member 1 and the imaging device 5 vibrate greatly at the biased center of gravity 44 .
  • the imaging device 5 vibrates greatly.
  • the vibration-isolating structure 100 may have other vibration-isolating rubbers 2 than the rubber-isolating rubbers 2-1 to 2-3.
  • the holding member 1 has one or more attachment portions 19 which are configured at positions different from each other in order to be attached to the object, each configured at a position different from the attachment portions 19-1 to 19-3.
  • the vibration isolation structure 100 may further have one or more vibration isolation rubbers 2 that are arranged between each of the one or more mounting portions 19 and the object and apply elastic force to the holding member 1 .
  • the holding member 1 is provided with a fourth mounting portion 19-4.
  • the mounting portion 19-4 may be configured at any position different from the mounting portions 19-1 to 19-3.
  • the mounting portion 19-4 corresponds to an embodiment of a fourth mounting portion according to the present technology.
  • the fixing member 13 is provided with a fourth mounting portion 32-4.
  • the mounting portion 32-4 is configured to extend vertically with respect to the mounting portion 19-4.
  • the vibration isolator 2-4 is connected to the mounting portions 19-4 and 32-4.
  • the anti-vibration rubber 2-4 corresponds to an embodiment of the fourth elastic member according to the present technology.
  • five or more mounting portions 19, mounting portions 32, and rubber vibration isolators 2 may be configured.
  • the vibration-isolating structure 100 is composed of four or more vibration-isolating rubbers 2, at least one set of three vibration-isolating rubbers 2 among the four or more vibration-isolating rubbers 2 satisfies the conditions related to the center of gravity 44 and , the conditions regarding the symmetry of the arrangement, etc. are satisfied. That is, for example, the triangle 48 formed by the vibration isolator 2-1, 2-2, and 2-4 includes the center of gravity 44, and the triangle 48 formed by the vibration insulators 2-1 to 2-3 is The center of gravity 44 may not be included. Such a case is also included in the scope of the present technology, and effects such as suppression of vibration of the imaging device 5 are exhibited.
  • the anti-vibration rubber 2-1 corresponds to one embodiment of the first elastic member according to the present technology.
  • the anti-vibration rubber 2-2 corresponds to an embodiment of the second elastic member according to the present technology.
  • the rubber vibration isolator 2-4 corresponds to an embodiment of the third elastic member according to the present technology.
  • three arbitrarily selected vibration-isolating rubbers 2 among four or more rubber-isolating rubbers 2 as the first to third elastic members according to the present technology.
  • an arrangement configuration may be employed in which the center of gravity 44 is included in the triangle 48 regardless of which three of the rubber vibration isolators 2-1 to 2-4 are selected.
  • the holding member 1 is attached to the object by means of a large number of anti-vibration rubbers 2, so that the holding member 1 is stably connected.
  • a large number of rubber vibration insulators 2 are arranged, when the object vibrates, the vibration is absorbed by the large number of rubber vibration insulators 2 . That is, it becomes possible to suppress the vibration of the holding member 1 and the imaging device 5 .
  • each of the mounting portions 19-1 to 19-3 is arranged on the same plane along the holding member 1.
  • the holding member 1 is arranged along the horizontal direction. That is, the plane along the holding member 1 is the XY plane (plane parallel to the X direction and the Y direction) including the holding member 1 . Specifically, a plane obtained by extending the upper surface 3a or the lower surface 3b in the X direction and the Y direction, and a surface passing through the midpoint of the upper surface 3a and the lower surface 3b in the vertical direction are drawn in the X direction and the Y direction.
  • a plane is a plane along the holding member 1 .
  • the plane along the holding member 1 is also an oblique plane.
  • the fulcrums 46-1 and 46-2 are arranged at the same position in the vertical direction. Further, the position of the fulcrum 46-1 is the position of the mounting portion 19-1. Also, the position of the fulcrum 46-2 is the position of the mounting portion 19-2. In other words, the mounting portions 19-1 and 19-2 are both arranged on the XY plane including the fulcrum 46-1.
  • the state of being configured on a plane along the holding member 1 may include the state of being configured at a position slightly deviated from the plane along the holding member 1 .
  • the fulcrum 46-3 is generally arranged at the same position in the vertical direction as the fulcrums 46-1 and 46-2, although there are some differences.
  • the mounting portion 19-3 is also configured at a position on the XY plane including the fulcrum 46-1.
  • each of the mounting portions 19-1 to 19-3 is configured at a position on the XY plane (a plane along the holding member 1) including the fulcrum 46-1.
  • each of the mounting portions 19-1 to 19-3 is formed on the same plane along the holding member 1. There is no state.
  • the holding member 1 that holds the imaging device 5 is attached to the object via the anti-vibration rubbers 2-1 to 2-3.
  • the mounting portions 19-1 and 19-2 to which the rubber vibration insulators 2-1 and 2-2 are mounted are arranged at positions symmetrical with respect to the entire center of gravity 44 of the imaging device 5 and the holding member 1.
  • FIG. Further, the mounting portion 19-3 to which the rubber vibration isolator 2-3 is mounted is configured at a position where the center of gravity 44 is included within the triangle 48 formed by the positions of the mounting portions 19-1 to 19-3.
  • the rubber vibration insulators 2-1 and 2-2 are arranged so that the vertical direction is the main direction in which the elastic force acts.
  • the anti-vibration rubber 2-3 is arranged so that the depth direction is the main direction in which the elastic force acts. This makes it possible to suppress the vibration of the imaging device 5 .
  • CMOS Complementary Metal Oxide Semiconductor
  • vibration is transmitted to the CMOS camera, and the vibration causes rolling shutter distortion (image distortion) of the CMOS camera.
  • rolling shutter distortion occurs, an image that is difficult to see will be captured.
  • the anti-vibration structure 100 of the present technology between the drone and the CMOS camera, even when the drone vibrates, the vibration of the CMOS camera can be suppressed. As a result, it is possible to capture a high-quality image in which rolling shutter distortion is suppressed.
  • the anti-vibration rubbers 2-1 and 2-2 are connected in the horizontal direction. Also, the anti-vibration rubber 2-3 is connected facing the depth direction. In other words, the difference from the first embodiment is that the rubber vibration insulators 2-1 and 2-2 are connected not in the vertical direction but in the horizontal direction.
  • the main direction in which the rubber vibration insulators 2-1 and 2-2 apply elastic force to the holding member 1 is a direction perpendicular to the vertical direction.
  • the main directions in which the rubber vibration isolator 2-3 applies elastic force to the holding member 1 are the main directions in which the rubber vibration isolator 2-1 and 2-2 apply elastic force to the holding member 1 and the vertical direction.
  • the direction is perpendicular to each other.
  • FIG. 15 is a perspective view showing an appearance example of the vibration isolation structure 100.
  • FIG. 16 is a side view of the anti-vibration structure 100 viewed from the negative side in the Y direction.
  • FIG. 17 is a top view of the anti-vibration structure 100 viewed from the positive side in the Z direction.
  • FIG. 18 is a side view of the anti-vibration structure 100 viewed from the positive side in the X direction.
  • Figures 15 to 18 show the state in which the fixing member 13 is removed.
  • the reference numerals for members having the same configuration as in the first embodiment may be omitted as appropriate.
  • the anti-vibration rubbers 2-1 and 2-2 are arranged facing the left-right direction.
  • a mounting portion 19 facing in the horizontal direction is formed on the holding member 1.
  • the direction of action of the rubber vibration insulators 2-1 and 2-2 is also the left-right direction, which is perpendicular to the vertical direction.
  • the horizontal direction corresponds to an embodiment of the first direction according to the present technology.
  • the direction of action of the rubber vibration insulators 2-1 and 2-2 may be any direction orthogonal to the vertical direction.
  • the direction of depth and the direction of the entire circumference of 360 degrees parallel to the XY plane can be the direction of action of the rubber vibration insulators 2-1 and 2-2.
  • the anti-vibration rubber 2-3 is arranged facing the depth direction. That is, the direction of action of the rubber vibration isolator 2-3 is also the depth direction, which is orthogonal to both the direction of action (horizontal direction) and the vertical direction of the rubber vibration isolators 2-1 and 2-2. there is for example, when the anti-vibration rubbers 2-1 and 2-2 act in the depth direction, the anti-vibration rubber 2-3 acts in the lateral direction.
  • the depth direction corresponds to an embodiment of the second direction according to the present technology.
  • the inventor conducted an experiment to examine the relationship between the connection direction of the rubber vibration isolator 2 and the anti-vibration function.
  • FIG. 19 graphs of the configuration of this embodiment and the configuration of the comparative example are indicated by solid lines.
  • the configuration of this embodiment is a configuration (three-point lateral support) in which the rubber vibration isolators 2-1 and 2-2 are connected in the left-right direction, and the vibration isolators 2-3 are connected in the depth direction.
  • a configuration given as a comparative example is a configuration in which all three anti-vibration rubbers 2 are connected in the vertical direction (three-point top support). Comparing points 59x and 60x, points 59y and 60y, and points 59z and 60z, the configuration of this embodiment has a higher vibration transmissibility for vibration in any of the X, Y, and Z directions. small.
  • the configuration of the present embodiment has a lower vibration transmissibility than the configuration of the comparative example.
  • the holding member 1 is supported from multiple directions. Therefore, it is inferred that the vibration transmissibility is reduced. That is, it becomes possible to suppress the vibration of the imaging device 5 .
  • the vibration isolator 2-1 is mounted from the left side of the main direction (horizontal direction) in which the vibration insulators 2-1 and 2-2 apply elastic force to the holding member 1.
  • the vibration isolator 2-2 is connected to the right direction opposite to the left direction side of the main direction (horizontal direction) in which the vibration insulators 2-1 and 2-2 apply elastic force to the holding member 1. It is connected to the mounting portion 19-2 from the side.
  • the anti-vibration rubber 2-1 is connected from the left side.
  • the leftward side corresponds to an embodiment of the first side according to the present technology.
  • the anti-vibration rubber 2-2 is connected from the right side.
  • the leftward side corresponds to an embodiment of the second side according to the present technology.
  • the rubber vibration isolator 2-1 is connected from the right side and the rubber vibration isolator 2-2 is connected from the left side.
  • the rubber isolators 2-1 and 2-2 are connected from the front side, and the rubber isolators 2-2 are connected from the back side. connected.
  • the anti-vibration rubber 2-1 is connected to the holding member 1 so that the end 29 and the like are exposed on the left side.
  • Such a state is a state of being connected from the left side.
  • other states may be considered as being connected from the left side. This is the same for other direction sides such as the right direction side.
  • the rubber vibration insulators 2-1 and 2-2 are connected from the same side, when the moving body or the fixed member 13 vibrates, a force acts on the holding member 1 from the same side. becomes unstable.
  • the anti-vibration rubbers 2-1 and 2-2 are connected from opposite sides, respectively, so that forces are applied equally to the holding member 1 from both sides, and the holding member 1 is in a stable state. becomes. Therefore, the holding member 1 and the imaging device 5 are less likely to vibrate.
  • the rubber vibration insulators 2-1 and 2-2 are arranged on the same straight line along the main direction in which the rubber vibration insulators 2-1 and 2-2 apply elastic force to the holding member 1.
  • a straight line 61 is illustrated in FIGS.
  • a straight line 61 is a straight line that is parallel to the Y-axis and passes through the central axes 24 of the rubber vibration insulators 2-1 and 2-2. That is, the straight line 61 faces the action direction of the anti-vibration rubbers 2-1 and 2-2.
  • the anti-vibration rubbers 2-1 and 2-2 are arranged along the straight line 61.
  • the center shafts 24 of the rubber vibration insulators 2-1 and 2-2 are arranged so as to overlap the center shaft 24.
  • a vibration isolation structure 100 of a third embodiment according to the present technology will be described.
  • the description of the same parts as the configuration and operation of the vibration isolation structure 100 described in the above embodiment will be omitted or simplified.
  • the anti-vibration rubbers 2-1 and 2-2 are arranged in the vertical direction. Furthermore, the mounting portions 19-1 and 32-1 are arranged in a staggered manner. That is, when viewed from the vertical direction, the positions of the mounting portions 19-1 and 32-1 do not match. On the other hand, in the first embodiment, the positions of the mounting portions 19-1 and 32-1 match when viewed from the vertical direction. This point is the difference from the present embodiment. Similarly, the mounting portions 19-2 and 32-2 are also staggered.
  • FIG. 20 is a top view of the anti-vibration structure 100 viewed from the positive side in the Z direction.
  • 21 is a cross-sectional view taken along line CC of FIG. 20.
  • FIG. FIGS. 20 and 21 show a state in which the vibration isolator 2 is not connected.
  • description of reference numerals may be omitted as appropriate for members having configurations similar to those of the first embodiment or the second embodiment.
  • each of the anti-vibration rubbers 2-1 to 2-3 has a leading end 28 and a trailing end 29 facing each other along the extending direction.
  • the distal end 28 and the distal end 29 face each other along the extending direction (the direction of the central axis 24).
  • Tip 28 represents one embodiment of a first end in accordance with the present technology.
  • distal end 29 represents one embodiment of a second end in accordance with the present technology.
  • At least one of the rubber vibration insulators 2-1 to 2-3 is positioned between the holding member 1 and the object while the relative position of the distal end 29 with respect to the distal end 28 is deviated from the extending direction. placed.
  • the two anti-vibration rubbers 2-1 and 2-2 are arranged in a state of being shifted from the extending direction.
  • the mounting portions 19-1 and 32-1 are arranged at positions shifted from the extending direction of the rubber vibration isolator 2-1. Specifically, the mounting portion 32-1 is located on the left side with respect to the mounting portion 19-1. That is, when the rubber vibration isolator 2-1 is attached to each of the attachment portions 19-1 and 32-1, the end 29 is located on the left side relative to the tip 28. becomes.
  • the relative position of the distal end 29 with respect to the distal end 28 is shifted from the extending direction (vertical direction).
  • the distal end 29 when viewed from the extending direction (vertical direction), the distal end 29 does not match the position of the distal end 28 and appears to be shifted.
  • the mounting portion 32-2 is located on the right side with respect to the mounting portion 19-2. That is, in the rubber vibration isolator 2-2, the distal end 29 is positioned on the right side relative to the distal end 28. As shown in FIG.
  • the vibration isolator 2-1 is obliquely arranged with respect to the end 29 so that the tip 28 faces downward and rightward.
  • the anti-vibration rubber 2-2 is obliquely arranged so that the tip 28 faces downward and leftward.
  • the inventor conducted an experiment to examine the relationship between the positions of the mounting portions 19 and 32 and the anti-vibration function.
  • graphs of the configuration of this embodiment and the configuration of the comparative example are indicated by solid lines.
  • the configuration of this embodiment is a configuration in which the mounting portions 19-1 and 32-1 and the mounting portions 19-2 and 32-2 are staggered (oblique mounting).
  • a configuration given as a comparative example is a configuration (coaxial attachment) in which the attachment portions 19 and 32 are arranged at the same position without being displaced. Comparing points 66x and 67x, points 66y and 67y, and points 66z and 67z, the configuration of this embodiment has a higher vibration transmissibility for vibration in any of the X, Y, and Z directions. small.
  • the configuration of the present embodiment has a lower vibration transmissibility than the configuration of the comparative example.
  • the holding member 1 is suspended with the anti-vibration rubbers 2-1 and 2-2 oriented vertically. That is, an upward force corresponding to its own weight acts on the holding member 1 from the anti-vibration rubbers 2-1 and 2-2.
  • the anti-vibration rubber 2-1 is arranged obliquely. Therefore, force acts on the holding member 1 in the upward direction and the leftward direction. Similarly, the anti-vibration rubber 2-2 exerts upward and rightward forces. In other words, the holding member 1 is supported by the upward, leftward, and rightward tensions. Therefore, for example, when the moving body or the fixed member 13 vibrates in the horizontal direction, the holding member 1 is less likely to vibrate. Thus, since tension is applied from many directions, the holding member 1 is stably suspended, and vibration of the holding member 1 and the imaging device 5 can be suppressed.
  • FIG. 23 is a top view of the anti-vibration structure 100 viewed from the positive side in the Z direction.
  • 24 is a cross-sectional view taken along line DD of FIG. 23.
  • FIG. FIGS. 23 and 24 show a state in which the anti-vibration rubber 2 is not connected.
  • the mounting portions 19-3 and 32-3 are arranged at positions shifted from the extending direction (depth direction) of the rubber vibration isolator 2-3. Specifically, the mounting portion 32-3 is positioned downward with respect to the mounting portion 19-3. That is, when the rubber vibration isolator 2-3 is attached to each of the attachment portions 19-3 and 32-3, the end 29 is located relatively upward with respect to the tip 28. becomes.
  • tension is applied to the holding member 1 from multiple directions, similar to the arrangement in which the mounting portions 19-1 and 32-1 and the mounting portions 19-2 and 32-2 are staggered. .
  • a downward force acts from the anti-vibration rubber 2-3. Since the anti-vibration rubbers 2-1 and 2-2 exert an upward force, the holding member 1 is supported by the upward and downward tensions. That is, the holding member 1 is stably suspended, and vibration of the holding member 1 and the imaging device 5 can be suppressed.
  • the mounting portions 19-1 and 32-1 are staggered and the mounting portions 19-3 and 32-3 are staggered. Any combination may be employed such that at least one of the mounting portions 19 and 32 is staggered.
  • the orientation of each of the rubber vibration isolators 2-1 to 2-3 is not limited. A staggered arrangement of the parts 19 and 32 is possible.
  • all of the mounting portions 19 and 32 may be staggered. That is, each of the rubber vibration insulators 2-1 to 2-3 is arranged between the holding member 1 and the object, with the relative position of the end 29 with respect to the tip 28 shifted from the extension direction. be. In this case, the holding member 1 is supported by the upward, downward, leftward, and rightward tensions. Therefore, the holding member 1 is very stably supported, and vibration of the imaging device 5 can be further suppressed.
  • expressions using "more than” such as “greater than A” and “less than A” encompass both the concept including the case of being equivalent to A and the concept not including the case of being equivalent to A. is an expression contained in For example, “greater than A” is not limited to not including equal to A, but also includes “greater than or equal to A.” Also, “less than A” is not limited to “less than A”, but also includes “less than A”. When implementing the present technology, specific settings and the like may be appropriately adopted from concepts included in “greater than A” and “less than A” so that the effects described above are exhibited.
  • a holding member for holding an imaging device having a first mounting portion, a second mounting portion, and a third mounting portion configured at mutually different positions for mounting on an object
  • the first mounting portion and the second mounting portion are arranged at symmetrical positions with respect to the center of gravity of the imaging device and the holding member as a whole when viewed in a vertical direction
  • the third mounting portion is positioned inside a triangle formed by the respective positions of the first mounting portion and the second mounting portion and the position of itself.
  • a holding member configured at a position including the center of gravity; a first elastic member disposed between the first mounting portion and the object and configured such that a first direction is a main direction in which the elastic force acts on the holding member; a second elastic member disposed between the second mounting portion and the object and configured such that the first direction is a main direction in which elastic force acts on the holding member; A third mounting portion disposed between the third mounting portion and the object, and configured such that a second direction different from the first direction is a main direction for applying an elastic force to the holding member.
  • An elastic member and a vibration isolation structure configured at a position including the center of gravity
  • Each of the first elastic member, the second elastic member, and the third elastic member extends along one direction and is configured to be stretchable along the extending direction, the extending direction of each of the first elastic member and the second elastic member is arranged along the first direction;
  • the vibration isolation structure wherein the extension direction of the third elastic member is arranged along the second direction.
  • the vibration isolation structure according to (1) or (2), The first direction and the second direction are orthogonal to each other.
  • the vibration isolation structure according to any one of (1) to (4), The second direction is a direction perpendicular to the vertical direction. Anti-vibration structure.
  • the vibration isolation structure according to any one of (1) to (5), The first elastic member is connected to the first mounting portion from above in the vertical direction, The second elastic member is connected to the second mounting portion from above in the vertical direction.
  • the anti-vibration structure according to any one of (1) to (3), The first direction is a direction orthogonal to the vertical direction. Anti-vibration structure.
  • the vibration isolation structure according to any one of (1) to (3) or (7), The second direction is a direction perpendicular to each of the first direction and the vertical direction. Anti-vibration structure.
  • the vibration isolation structure according to any one of (1) to (11),
  • the holding members are configured at positions different from each other for attachment to the object, each configured at a position different from the first attachment portion, the second attachment portion, and the third attachment portion.
  • the anti-vibration structure further includes one or more fourth elastic members arranged between each of the one or more fourth mounting portions and the object and applying elastic force to the holding member. Anti-vibration structure.
  • the vibration isolation structure according to any one of (1) to (12), the center of gravity of the whole is located on an axis along the imaging optical axis of the imaging device when viewed from the vertical direction;
  • the first mounting portion and the second mounting portion are configured at positions that are symmetrical with respect to an axis along the imaging optical axis when viewed in a vertical direction.
  • Each of the first elastic member, the second elastic member, and the third elastic member extends along one direction, is configured to be stretchable along the extending direction, and having a first end and a second end facing each other along At least one of the first elastic member, the second elastic member, and the third elastic member is configured so that the relative position of the second end with respect to the first end corresponds to the length of the extension.
  • An anti-vibration structure disposed between the holding member and the object in a displaced state.
  • Each of the first elastic member, the second elastic member, and the third elastic member has a relative position of the second end with respect to the first end from the extending direction.
  • Anti-vibration structure is comprised with a rubber material.
  • the target object is a mobile object.
  • the moving body is a drone.An anti-vibration structure.
  • the vibration isolation structure according to any one of (1) to (19), The object has a fixing member to which the holding member is attached. Anti-vibration structure.
  • the vibration isolation structure according to any one of (1) to (20), Each of said 1st elastic member, said 2nd elastic member, and said 3rd elastic member is comprised with mutually same material. Anti-vibration structure.
  • the vibration isolation structure according to any one of (1) to (21), Each of said 1st elastic member, said 2nd elastic member, and said 3rd elastic member has mutually the same shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

La structure d'isolation de vibrations comprend un élément de retenue et des premier à troisième éléments élastiques. L'élément de retenue retient un dispositif d'imagerie et comprend des première à troisième sections de fixation à des emplacements mutuellement différents. Les positions des première et seconde sections de fixation sont symétriques par rapport au centre de gravité du dispositif d'imagerie et de l'élément de retenue. De plus, le centre de gravité de la totalité de l'unité est inclus dans le triangle constitué par les positions des première à troisième sections de fixation. Le premier élément élastique est disposé entre la première section de fixation et un objet cible et une première direction est la direction principale dans laquelle le premier élément élastique exerce une force élastique sur l'élément de retenue. Le second élément élastique est disposé entre la seconde section de fixation et l'objet cible et la première direction est la direction principale dans laquelle le second élément élastique exerce une force élastique. Le troisième élément élastique est disposé entre la troisième section de fixation et l'objet cible et une seconde direction, différente de la première direction, est la direction principale dans laquelle le troisième élément élastique exerce une force élastique.
PCT/JP2022/006343 2021-06-03 2022-02-17 Structure d'isolation de vibrations WO2022254808A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023525388A JPWO2022254808A1 (fr) 2021-06-03 2022-02-17

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021093810 2021-06-03
JP2021-093810 2021-06-03

Publications (1)

Publication Number Publication Date
WO2022254808A1 true WO2022254808A1 (fr) 2022-12-08

Family

ID=84324170

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/006343 WO2022254808A1 (fr) 2021-06-03 2022-02-17 Structure d'isolation de vibrations

Country Status (2)

Country Link
JP (1) JPWO2022254808A1 (fr)
WO (1) WO2022254808A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08334140A (ja) * 1995-06-08 1996-12-17 Alpine Electron Inc 車載用機器の弾性支持装置
JP2002163882A (ja) * 2000-11-27 2002-06-07 Polymatech Co Ltd 防振ダンパー形成方法及び防振ダンパー一体型メカニカルシャーシ
JP2003223776A (ja) * 2002-01-29 2003-08-08 Funai Electric Co Ltd ディスク装置
JP3128619U (ja) * 2006-10-31 2007-01-18 船井電機株式会社 光ディスク装置
US20180128338A1 (en) * 2016-12-19 2018-05-10 Haoxiang Electric Energy (Kunshan) Co., Ltd. Shock absorber for aircrafts

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08334140A (ja) * 1995-06-08 1996-12-17 Alpine Electron Inc 車載用機器の弾性支持装置
JP2002163882A (ja) * 2000-11-27 2002-06-07 Polymatech Co Ltd 防振ダンパー形成方法及び防振ダンパー一体型メカニカルシャーシ
JP2003223776A (ja) * 2002-01-29 2003-08-08 Funai Electric Co Ltd ディスク装置
JP3128619U (ja) * 2006-10-31 2007-01-18 船井電機株式会社 光ディスク装置
US20180128338A1 (en) * 2016-12-19 2018-05-10 Haoxiang Electric Energy (Kunshan) Co., Ltd. Shock absorber for aircrafts

Also Published As

Publication number Publication date
JPWO2022254808A1 (fr) 2022-12-08

Similar Documents

Publication Publication Date Title
EP1804498B1 (fr) Système de projection d'images avec compensation de vibration
US4033541A (en) Torque rejection soft mounted platform
KR102521439B1 (ko) 흔들림 보정 기능을 구비한 광학 유닛 및 그 제조 방법
JP6310844B2 (ja) 減衰装置
US10499143B2 (en) Electronic device having mechanically out-of-phase speakers
JP6324922B2 (ja) 共振を抑制する手ブレ防止オートフォーカスモジュール
JP2013050668A (ja) 手ブレ防止オートフォーカスモジュールの共振抑制方法及びその構造
CN111655607A (zh) 用于微型相机的自动对焦、光学防抖和超分辨率成像的五个自由度mems致动器
JP2023551478A (ja) 撮像モジュール
JP2014516473A (ja) マイクロリソグラフィ投影露光装置内の要素を作動させるための設備
JP2009204902A (ja) プロジェクタ天吊り装置
CN106369105A (zh) 一种用于空间飞行器光纤惯组的八点减振系统
JP6303517B2 (ja) プロジェクター支持装置
WO2022254808A1 (fr) Structure d'isolation de vibrations
US10521016B2 (en) Electronic device
JP7235558B2 (ja) 振れ補正機能付き光学ユニット
WO2022075168A1 (fr) Dispositif de sortie
JP3613088B2 (ja) 車両用駆動ユニット支持装置
CN109683345B (zh) 抖动校正装置、镜头镜筒以及摄影装置
JP2004232688A (ja) 等方性防振機構
JP2015018268A (ja) 手ブレ防止オートフォーカスモジュールの共振抑制方法及びその構造
TWI465789B (zh) Resonance Suppression Method and Structure of Anti - Shot Lens Focusing Module
WO2018088028A1 (fr) Dispositif de commande de vibrations et aéronef sans pilote
CN110275268B (zh) 透镜驱动装置、照相机装置以及电子设备
CN113347347A (zh) 对焦及防抖结构和对焦及防抖摄像头

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22815567

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2023525388

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22815567

Country of ref document: EP

Kind code of ref document: A1