JP2010130489A - Video camera support unit for studio adaptor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To mount a handy video camera on a studio adaptor by a simple work in a short time. <P>SOLUTION: A video camera support unit for the studio adaptor is provided with: a fixing member on which the handy video camera is mounted; a first movable member which has a camera lock part for locking the handy video camera and is linearly moved and displaced to the fixing member; a second movable member which has a connector for connecting the handy video camera to an external device and is linearly moved and displaced to the fixing member; and a rotation member in which a first eccentric cam with which the first movable member is moved and displaced, a second eccentric cam with which the second movable member is moved and displaced, and a lever member are integrally rotated around a common rotation center. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a configuration of a video camera support unit for a studio adapter that supports a handy type video camera coupled to a studio adapter.

  8 to 11 are explanatory views of a handy type video camera that has been practically used and a video camera support unit that supports the handy type video camera. For use in the studio, the handy type video camera 11 'is attached to the studio adapter 10', a large lens 12 'is arranged in front of the handy type video camera 11', and in the rear side. A finder 13 'is arranged (FIG. 8). The large lens 12 ′ and the finder 13 ′ are fixed to the handy type video camera 11 ′ or the studio adapter 10 ′. The handy type video camera 11 ′ is incorporated in the studio adapter 10 ′ in a state where it is attached to the video camera support unit 101 ′ constituting a part of the studio adapter 10 ′ (FIG. 9).

  In the state where the handy type video camera 11 ′ is attached to the video camera support unit 101 ′, the rear side surface (−X of the handy type video camera 11 ′ placed on the fixing member 1011 ′ of the video camera support unit 101 ′ is provided. The lower portion of the axial side surface is constrained by the end surface of the movable member 1012 ′ of the video camera support unit 101 ′ (FIG. 9). The movable member 1012 ′ is driven to rotate around the rotation center (rotation fulcrum) of the lever member 1013 ′ so as to move and displace in the ± X axis direction. Then, the movable member 1012 ′ is pressed, and the end surface of the movable member 1012 ′ is pressed against the lower part of the rear side surface (−X-axis direction side surface) of the handy type video camera 11 ′.

  The handheld video camera 11 'is connected to an external device by connecting the connector 112' provided on the upper part of the rear side surface (side surface in the X-axis direction) of the handy type video camera 11 'and the rear side surface (-X This is performed by a connector 102 ′ provided at the distal end portion of the arm 103 ′ attached to the upper portion of the axial side surface. When the arm 103 ′ is moved and displaced in the direction of the arrow E, the connector 102 ′ moves to the connector 112 ′ side, and the connector 102 ′ is coupled to the connector 112 ′ (FIG. 10). A conductor connected to an external device is connected to the connector 102 ′. FIG. 11 shows the state when the connector 102 ′ is coupled to the connector 112 ′.

  Further, as a conventional technique related to the present invention and described in the patent document, for example, there is a technique described in Japanese Patent Laid-Open No. 2005-148330 (Patent Document 1). Japanese Patent Laid-Open No. 2005-148330 discloses a configuration in which the handy video camera 11 is mounted and fixed on the camera support unit 15 supported by the tripod 10, or a configuration in which the handy camera body 31b is supported and fixed by the buildup type supporter 34b. Are listed.

JP 2005-148330 A

  In the prior art described with reference to FIGS. 8 to 11, after the handy video camera 11 ′ is fixed in the studio adapter 10 ′ by the video camera support unit 101 ′, the connector is moved by the movement displacement of the arm 103 ′. 102 'is coupled to connector 112'. That is, fixing the handy type video camera 11 ′ by the video camera support unit 101 ′ and connecting the handy type video camera 11 ′ to an external device are performed as separate serial operations. Therefore, it is necessary to adjust the fixing position of the handy type video camera 11 ′ so that the connector 102 ′ is coupled to the connector 112 ′, and until the reproduction or recording by the handy type video camera 11 ′ is started. It takes a long time. In addition, an arm 103 ′ for supporting and moving the connector 102 ′ is also required, and the studio adapter 10 ′ is likely to be large in size and complicated in structure.

  An object of the present invention is to allow a handy type video camera to be incorporated into a studio adapter in a short time by a simple operation in view of the above-described state of the prior art.

  An object of the present invention is to solve such problems and provide an easy-to-use studio adapter.

  In order to solve the above-described problems, in the present invention, as a video camera support unit for a studio adapter, a fixing member having a fixing member on which a handy type video camera is placed and a camera lock unit for restraining the handy type video camera are provided. A first movable member that moves and displaces linearly with respect to the first movable member, a second movable member that attaches a connector for connecting the handy type video camera to an external device and moves and displaces linearly with respect to the fixed member, and the first movable member The first eccentric cam that gives the linear movement displacement to the movable member, the second eccentric cam that gives the linear movement displacement to the second movable member, and the lever member are integrated around the same rotation center. It is set as the structure provided with the rotation part which rotates automatically. Each of the first and second eccentric cams of the rotating portion rotates integrally with the lever member when the lever member is rotated by an external force, and the first eccentric cam is the first eccentric cam. The movable member is linearly moved and displaced, and the handheld video camera is placed in a restrained state by the camera lock portion on the fixed member, or the restrained state is released. Further, the second eccentric cam linearly moves and displaces the second movable member so that the handy type video camera is connected to the external device by the connector or the connection state is released.

  According to the present invention, a handy type video camera can be incorporated into a studio adapter in a short time by simple work including connector connection.

  Embodiments of the present invention will be described below with reference to the drawings.

  1-7 is explanatory drawing of the Example of this invention. 1 is a diagram showing a state in which a handy type video camera is attached to a video camera support unit as an embodiment of the present invention, and FIG. 2 is a diagram showing a configuration of a connector connecting portion of the handy type video camera in FIG. 3 is a diagram showing an external appearance of the video camera support unit in FIG. 1, FIG. 4 is a diagram showing an exploded configuration of the video camera support unit in FIG. 3, and FIG. 5 is an upper plan configuration of the video camera support unit in FIG. FIG. 6 is an explanatory diagram of the operation of the first movable member of the video camera support unit of FIG. 3, and FIG. 7 is an explanatory diagram of the operation of the second movable member of the video camera support unit of FIG. FIG. Also in this embodiment, the handy type video camera is attached to a studio adapter, and is used for studio use (studio use) or the like with a large lens or finder attached.

  In FIG. 1, reference numeral 11 denotes a handy type video camera, 101 denotes a video camera support unit that supports the handy type video camera 11 and constitutes a part of the studio adapter, and 1011 denotes a handy type video camera 11 in the video camera support unit 101. 108b is a claw portion serving as a camera lock portion for restraining the lower portion of the -X-axis direction side surface of the handy type video camera 11, and 1012a is provided with the claw portion 108b on the surface in the Z-axis direction. In the video camera support unit 101, a first movable member 1015 that can be moved and displaced linearly in the ± X-axis direction with respect to the fixed member 1011 is a connector for connecting the handy video camera 11 to an external device (not shown). 1012b includes the connector 1015 and is provided in the video camera support unit 101. The second movable member 1013 that is linearly movable and displaceable in the ± X-axis direction with respect to the fixed member 1011 is provided with an external force by the user and around a rotation center (rotation fulcrum) provided on the fixed member 1011. Lever member 1013b is pivoted about the pivot shaft of the lever member 1013, 1020a is fixed to the side surface of the fixed member 1011 in the ± Y-axis direction, and guides the movement of the first movable member 1012a in the ± X-axis direction. Similarly, the first guide member 1020b is fixed to the side surface of the fixed member 1011 in the ± Y-axis direction, and the second guide member 1021 and 1022 for guiding the movement of the second movable member 1012b in the ± X-axis direction are respectively provided. The side wall member is fixed to the side surface of the fixing member 1011 in the ± Y-axis direction and regulates the movement of the handy video camera 11 placed on the fixing member 1011 in the ± Y-axis direction. Two eccentric cams (not shown) are provided on the rotation shaft 1013b so as to be integrally rotatable around the same rotation center (rotation fulcrum) as the lever member 1013. The cam is driven to rotate when the lever member 1013 rotates about the rotation fulcrum together with the rotation shaft 1013b. By the rotation of the two eccentric cams, the first movable member 1012a and the second movable member 1012b are linearly displaced in the ± X axis directions. Further, it is assumed that a conductor (not shown) connected to an external device is connected to the connector 1015.

  In the configuration of FIG. 1, when the handy type video camera 11 is placed on the fixed member 1011 and the user applies an external force to the lever member 1013 to rotate, for example, counterclockwise, the rotating shaft 1013 b rotates. It is rotated around the center (rotation fulcrum), and two eccentric cams (not shown) are rotated counterclockwise together with the rotation shaft 1013b. One eccentric cam of the two eccentric cams moves the first movable member 1012a in the X-axis direction, and the other eccentric cam moves the second movable member 1012b in the X-axis direction. Depending on the movement of the first movable member 1012a, the claw portion 108b provided on the first movable member 1012a is engaged with a claw portion (not shown) on the lower side of the −X-axis side surface of the handy video camera 11. The handy type video camera 11 is restrained on the fixing member 1011. Depending on the displacement of the second movable member 1012b, the connector 1015 fixed to the second movable member 1012b is displaced in the X-axis direction and is provided on the side surface of the handy video camera 11 in the -X-axis direction. Coupled (connected) to the connector connection. In this state, the handy type video camera 11 is fixed to the video camera support unit 101, is supported by the video camera support unit 101, and is electrically connected to an external device. That is, the handy type video camera 11 placed on the fixing member 1011 is fixed to the video camera support unit 101 by simply rotating the lever member 1013, for example, counterclockwise, and is electrically connected to an external device. Will be connected. In this state, if a force is applied to the lever member 1013 by, for example, a clockwise rotation center (rotation fulcrum), the eccentricity of one of the two eccentric cams is reversed. The cam moves the first movable member 1012a in the −X axis direction, and the other eccentric cam moves the second movable member 1012b in the −X axis direction. Depending on the movement of the first movable member 1012a, the claw portion 108b is disengaged from the claw portion (not shown) on the lower side of the −X-axis direction side surface on the handy type video camera 11 side, Depending on the displacement of the second movable member 1012b, the connector 1015 is displaced in the −X axis direction, and the connection (connection) state with the connector connecting portion on the handy type video camera 11 side is released. As a result, the handheld video camera 11 is released from the fixed state to the video camera support unit 101 and is also electrically disconnected from the external device. That is, by simply rotating the lever member 1013, for example, clockwise, the handy video camera 11 is released from the fixed state to the video camera support unit 101 and the electrical connection with the external device is also released. Will be.

  Hereinafter, the same reference numerals as those in FIG. 1 are used for the components of the configuration in FIG. 1 used in the description.

  FIG. 2 is an external perspective view of the handy type video camera 11 and shows a configuration of a connector connection portion connected to the connector 1015 on the video camera support unit 101 side.

  2, 111 is a camera body, 112 is a connector as a connector connecting portion, 113 is a connector cover, and 118 is engaged with a claw portion 108b (FIG. 1) on the end surface in the X-axis direction of the first movable member 1012a. It is a nail part. (A) shows a state when the connector cover 113 starts to open, and (b) shows a state when the connector cover 113 is fully opened. The connector cover 113 is supported at a pivoting fulcrum in a suspended state, and a spring such as a torsion coil spring is provided in the vicinity of the pivoting fulcrum. When the connector 1015 is not connected to the connector 112, the connector cover Reference numeral 113 denotes a state in which it is rotationally displaced to a position where the connector 112 is covered by the elastic restoring force of the spring. When the connector 1015 is connected to the connector 112, the connector cover 113 is pushed by the distal end portion of the connector 1015 moving and displaced in the X-axis direction and starts to open.

  Hereinafter, the same reference numerals as those in FIG. 2 are used for the components of the configuration in FIG. 2 used in the description.

  FIG. 3 is a diagram showing an external appearance of the video camera support unit 101 in FIG. 1, in which the first movable member and the second movable member have not yet started moving displacement in the X-axis direction, and the first movable member A state in which the claw portion 108b on the member and the connector 1015 on the second movable member are at a position farthest from the position of the lever member 1013 is shown.

In FIG. 3, 1012a ₁ is a part of the first movable member 1012a and is in contact with the eccentric cam (hereinafter also referred to as the first movable member), 1012a ₂ 1 part of a part in the claw portion 108b of the movable member 1012a is provided (hereinafter, this portion is also referred to as a first movable member), 1012b ₃ is a part of the second movable member 1012b connector 1015 1011a is a plane portion of the fixing member 1011 on which the -Z-axis direction plane of the handy type video camera 11 is placed, and 108a is a fixing member 1011. The claw portion 1016 that is fixed on the flat surface portion 1011a and is engaged with a claw portion (not shown) provided on the lower portion of the side surface in the X-axis direction of the handy type video camera 11 Protruding in the X-axis direction end face of the member 1012b ₂ is a guide pin that is provided. The claw portion 108a is engaged with a claw portion (not shown) provided at a lower portion of the side surface in the X-axis direction of the handy type video camera 11. The guide pin 1016 is inserted into a hole in the connector cover 113 when the connector 1015 is connected to the connector 112 (FIG. 2) (connector connection portion) on the handy type video camera 11 side, whereby the second movable member. 1012b ₃ is guided in the X-axis direction so that the connector 1015 is properly connected (coupled) to the connector 112 (FIG. 2) on the handy type video camera 11 side. When the first movable member 1012a ₁ is moved and displaced in the −X-axis direction from the position shown in FIG. 3, the side portion in the ± Y-axis direction is guided by the first guide member 1020a, and the second movable member 1012b _{When 3} is displaced in the X-axis direction from the position shown in FIG. 3, the side part in the ± Y-axis direction is guided by the second guide member 1020b.

When the video camera support unit 101 is in the state shown in FIG. 3, the handy type video camera 11 is placed on the flat surface portion 1011 a of the fixing member 1011, and is provided in a lower part of the side surface in the X-axis direction of the handy type video camera 11. The claw portion (not shown) thus engaged is engaged with the claw portion 108 a on the fixing member 1011. In this state, when the lever member 1013 is rotated counterclockwise by an external force, two eccentric cams (not shown) provided on the rotation shaft 1013b are rotated. When the two eccentric cams rotate, the first movable member 1012a ₁ engaged with one of the two eccentric cams is moved and displaced in the X-axis direction. The member 1012a ₂ is moved and displaced in the X-axis direction, and the claw portion 18b is moved and displaced in the X-axis direction. Further, depending on the other of the eccentric cam of the two eccentric cams the second movable member 1012b ₃ is moved displaced in X-axis direction, the connector 1015 Concomitantly is moved displaced in the X-axis direction. The claw portion 108b moved and displaced in the X-axis direction is engaged with the claw portion 118 on the handy type video camera 11 side, and the connector 1015 is connected (coupled) to the connector 112 on the handy type video camera 11 side. That is, in the video camera support unit 101, the engagement between the claw portions 108a and 118 and the connection between the connectors 1015 and 112 are performed in one touch by the counterclockwise rotation of the lever member 1013.

  Hereinafter, the same reference numerals as those in FIG. 3 are used for the components in the configuration of FIG. 3 used in the description.

  FIG. 4 is a diagram showing an exploded configuration of the video camera support unit 101 of FIG. A one-dot chain line in the figure indicates a connection relationship between the members.

In FIG. 4, 1014a includes a first eccentric cam to provide a moving displacement of the ± X-axis direction to the first movable member 1012a ₁ to the movable member 1012a _first contact said 1, 1014b is a second movable member The second eccentric cam 1013a that abuts and applies a displacement in the ± X-axis direction to the _first movable member 1012b1 is the center of the rotating shaft 1013b, that is, the lever member 1013, the first eccentric cam 1014a, and the second The center of rotation (rotation center) 1012b ₁ of the eccentric cam 1014b is a part of the second movable member 1012b, and the second eccentric cam 1014b contacts and engages with the second eccentric cam 1012b. portions given the movement displacement of the ± X-axis direction from 1014b (hereinafter, this portion is also referred to as a second movable member), 1012b ₂ is a part of the second movable member 1012b, the second movable With product 1012b _1, the portion coupled between the second movable member 1012b ₃ connector 1015 is attached (hereinafter, this portion is also referred to as a second movable member), 1012a _1h, the first movable member 1012a ₁ The through hole 1011b is provided in the fixed member 1011 and the through hole 1011c is provided in the fixed member 1011. The first movable A through hole 1011d for housing the member 1012a ₂ and the second movable member 1012b ₂ is provided in the fixed member 1011, and a through hole 1017 through which the second movable member 1012b ₃ is passed is formed in a rod shape or a plate shape. The spring 1018 is a spring support member that supports the end of the spring 1017, and 1012b _1c is formed on the Z-axis direction surface of the second movable member 1012b _1. It is the formed recessed part. The lever member 1013, the first movable member 1012 a ₁ , 1012 a ₂ , the claw portions 108 a and 108 b, the first eccentric cam 1014 a, the spring 1017, the second movable member 1012 b ₃ , the connector 1015, etc. The second eccentric cam 1014b, the second movable members 1012b ₁ , 1012b _{2 and the} like are arranged on the −Z axis direction side of the fixed member 1011. The lever member 1013, the first eccentric cam 1014a, and the second eccentric cam 1014b are integrally coupled by a rotating shaft 1013b, and together with the rotating shaft 1013b constitutes a rotating portion, and are integrated around the rotating center 1013a. It can be rotated. A recess (not shown) is also formed in the −Z-axis direction surface of the first movable member 1012a ₁ , and the first eccentric cam 1014a, the rotating shaft 1013b, the spring 1017, and the spring are formed in the recess. The support member 1018 is stored. The through-hole 1012a _1h has a dimension that allows the first movable member 1012a ₁ to move and displace in the ± X-axis direction with the rotation shaft 1013b passing therethrough. Similarly, the through-hole 1011d is a second movable member. 1012b ₃ has a dimension capable of moving and displacing in the ± X-axis direction in a state where it penetrates. Both the first eccentric cam 1014a and the second eccentric cam 1014b have a substantially circular outer shape, and the second eccentric cam 1014b has an outer diameter larger than that of the first eccentric cam 1014a, and ± X of the connector 1015 The movement displacement amount in the axial direction is set to be larger than the movement displacement amount in the ± X-axis direction of the claw portion 108b. The displacement amount of ± X-axis direction of the connector 1015, for example, 30 × and ^{10 -3 m~40} × ¹⁰ -3 m, the displacement amount of ± X-axis direction of the pawl portion 108b is, for example, 8 × ¹⁰ -3 m to 10 × 10 ⁻³ m.

  Hereinafter, the same reference numerals as those in FIG. 4 are used for the components in the configuration of FIG. 4 used in the description.

  FIG. 5 is a diagram showing an upper plan configuration and a side sectional configuration of the video camera support unit 101 of FIG. (A) is a top plan view, (b) is a side sectional view showing the configuration of the AA cross section in (a).

FIG. 5 shows a state in which the lever member 1013 is rotated about 90 ° counterclockwise from the position shown in FIG. 3 by an external force. In this state, the first movable member 1012a ₁ , 1012a ₂ and the second movable member 1012b ₁ , 1012b ₂ , 1012b _{3 are} caused by the counterclockwise rotation of the first eccentric cam 1014a and the second eccentric cam 1014b. Ends the movement displacement in the X-axis direction, and when the handy type video camera 11 is on the fixed member 1011, the claw portion 108 b on the first movable member 1012 a _{2 is positioned} on the handy type video camera 11 side. is engaged with the claw portion 118 to secure the hand-held video camera 11 to the fixing member 1011 side, connectors 1015 on the second movable member 1012b ₃ is connected to the hand-held video camera 11 side of the connector 112, the The handheld video camera 11 is connected to an external device.

FIG. 6 is an operation explanatory view of the first movable member in the video camera support unit 101 of FIG. (A) is a figure which shows the state before external force by a user is not applied to the lever member 1013 and this lever member 1013 rotates, (b) is an external force by a user being applied to the lever member 1013, and this lever member FIG. 10C is a diagram illustrating a state when the first eccentric cam 1014a and the first eccentric cam 1014a are rotated counterclockwise by an angle θ from the position (a), and FIG. It is a figure which shows a state when it rotates about 90 degrees counterclockwise from the position of (). (A), (b), and (c) all show a configuration viewed from the Z-axis direction, and the first movable member 1012a ₁ has a height in the Z-axis direction that is engaged with the first eccentric cam 1014a. The cross-sectional structure in XY plane in a position is shown.

In FIG. 6, 1012a _1c is a recess formed in the −Z-axis direction surface of the first movable member 1012a ₁ , 1012a _1w is an end surface in the X-axis direction of the _first movable member 1012a ₁ forming the recess 1012a _1c , _{x 0} is the position on the X axis of the rotation center 1013a of the lever member 1013 and the first eccentric cam _{1014a, x a1} is the X-axis condition of the -X-axis direction end surfaces of the claw portions 108b in the (a) , X _a2 is the position on the X axis of the end surface in the −X axis direction of the claw portion 108b in the state (b), and x _a3 is the X of the end surface in the −X axis direction of the claw portion 108b in the state (c). The position on the axis. A first eccentric cam 1014a, a rotating shaft 1013b, a spring 1017, and a spring support member 1018 are accommodated in the recesses 1012a and _1c . In the recess 1012a _1c , the outer circumferential surface of the first eccentric cam 1014a is always in contact with the X-axis direction end surface 1012a _{1w of} the first movable member 1012a ₁ and the spring 1017. That is, the outer circumferential surface of the first eccentric cam 1014a is in contact with the X-axis direction end surface 1012a _1w in a state where the first eccentric cam 1014a is pressed in the −X-axis direction by the elastic restoring force of the spring 1017. In other words, the first movable member 1012a ₁ is always pressed against the outer peripheral surface of the first eccentric cam 1014a at the X-axis direction end surface 1012a _1w by the elastic restoring force of the spring 1017. For this reason, the first movable member 1012a ₁ is moved and displaced in the X-axis direction or the −X-axis direction following the movement displacement of the outer peripheral surface of the first eccentric cam 1014a. a ₁ is the contact point of the first eccentric cam 1014a with the X-axis direction end face 1012a _1w in the state (a), and a ₂ is the spring 1017 of the first eccentric cam 1014a in the state (a). contact point, _{b 1} is the state in the X-axis direction end face 1012a contact point to _1w of first eccentric cam 1014a, _{b 2,} the first eccentric cam 1014a in the state of (b) of (b) contact point, _{c 1} to the spring 1017, the X-axis direction end face contact point to 1012a _{1 w} of the first eccentric cam 1014a in the state of (c), _{c 2} is the first in the state of (c) This is a contact point of the eccentric cam 1014a with the spring 1017.

In FIG. 6, in the state of (a), the handy type video camera 11 placed on the fixing member 1011 is in a released state that is not restrained by the claw portion 108b. At this time, the first eccentric cam 1014a is pushed in the -X axis direction by the elastic restoring force of the spring 1017 in terms a ₂ on the outer peripheral surface, in that a ₁ on the outer peripheral surface, a first movable member 1012a ₁ is the X-axis direction end face 1012a _{1 w,} by the elastic restoring force of the spring 1017, is pressed against the outer peripheral surface of first eccentric cam 1014a. In the state (b), the rotated first eccentric cam 1014a abuts on the end surface 1012a _{1w in} the X-axis direction of the first movable member 1012a ₁ at the point b ₁ on the outer peripheral surface (X of the point b ₁ ). the distance between the position and the position x ₀ of the shaft is shorter than the distance) between the position and the position x ₀ of the X-axis of the point a _1, the position of the X-axis direction end face 1012a _{1 w} is It moves in the X-axis direction than in the state of (a). At this time, the first eccentric cam 1014a is pushed in the -X axis direction by the elastic restoring force of the spring 1017 in terms b ₂ on the outer peripheral surface, in that b ₁ on the outer peripheral surface, a first movable member 1012a ₁ is the X-axis direction end face 1012a _{1 w,} by the elastic restoring force of the spring 1017, is pressed against the outer peripheral surface of first eccentric cam 1014a. In the state of (c), the first eccentric cam 1014a that rotates the first movable member X axial end face of the 1012a ₁ 1012a _{1 w} and abut at a point _{c 1} on the outer peripheral surface of the (point _{c 1} X the distance between the position and the position x ₀ of the shaft is shorter than the distance) between the position and the position x ₀ of the X-axis of the point b _1, the position of the X-axis direction end face 1012a _{1 w} is It will be in the state which moved to the X-axis direction further than the time of the state of (b). In the state of (c), the first pawl portion 108b on the movable member 1012a ₂ is the displacement from the state of _(a), in the X-axis direction by x a3 _{-x a1.} The claw portion 108b is engaged with the claw portion 118 on the handy type video camera 11 side in the state of the book (c) and fastens the handy type video camera 11 to the fixing member 1011 side to fix (in the camera tightening state). To do). The displacement amount of ± X-axis direction of the claw portion 108b _x a3 _{-x a1} is, for example, ^{8 × 10 -3 m~10 × 10 -3} m.

  FIG. 7 is an explanatory view of the operation of the second movable member in the video camera support unit 101 of FIG. (A) is a figure which shows the state before external force by a user is not applied to the lever member 1013 and this lever member 1013 rotates, (b) is an external force by a user being applied to the lever member 1013, and this lever member FIG. 10C is a diagram showing a state when the second eccentric cam 1014b and the second eccentric cam 1014b are rotated counterclockwise by an angle θ from the position (a), and FIG. It is a figure which shows a state when it rotates about 90 degrees counterclockwise from the position of (). (A), (b), (c) has shown the structure seen from the Z-axis direction.

In FIG. 7, 1012b _1c is a recess formed in the Z-axis direction surface of the second movable member 1012b ₁ , 1012b _1w1 is an end surface in the X-axis direction of the second movable member 1012b ₁ forming the recess 1012b _1c , 1012b _1w2 is an end surface in the −X-axis direction of the second movable member 1012b ₁ that forms the recess 1012b _1c , and x ₀ is a position on the X-axis of the rotation center 1013a of the lever member 1013 and the second eccentric cam 1014b. , X _b1 is a position on the X axis of the end surface in the X axis direction of the connector 1015 in the state (a), x _b2 is a position on the X axis of the end surface in the X axis direction of the connector 1015 in the state (b), x _b3 is the position on the X-axis of the end surface in the X-axis direction of the connector 1015 in the state of (c). A second eccentric cam 1014b and a rotating shaft 1013b are housed in the recess 1012b _1c . In the recess 1012b _1c , the outer circumferential surface of the second eccentric cam 1014b is in contact with the X-axis direction end surface 1012b _1w1 and the X-axis direction end surface 1012b _1w2 of the second movable member 1012b ₁ . For this reason, the first movable member 1012b ₁ moves and displaces in the X-axis direction or the −X-axis direction following the displacement of the outer peripheral surface of the second eccentric cam 1014b. In FIG. 7, _{a 1} is the X-axis direction end face contact point to _{1012b 1w1} of the second eccentric cams 1014b in the state of (a), _{a 2} is the second eccentric cams 1014a in the state of (a) The point of contact of the second eccentric cam 1014b with the -X-axis direction end surface 1012b _1w2 , b ₁ is the point of contact of the second eccentric cam 1014b with the X-axis direction end surface 1012b _1w1 , b _2, the contact point, _{c 1} in the -X-axis direction end face _{1012b 1W2} in the state of the second eccentric cams 1014b of the second eccentric cam 1014a (b), the second eccentric in the state of (c) contact point, _{c 2} to the X-axis direction end face _{1012b 1w1} of the cam 1014b, the second second the -X axial end surface of the eccentric cam 1014b of the eccentric cam 1014a in the state of (c) Is a contact point to _012b 1w2.

In FIG. 7A, the handheld video camera 11 placed on the fixing member 1011 is in a released state in which the connector 112 is not connected to the connector 1015. In the state of (b), the second eccentric cams 1014b of being rotated is at the point _{b 2} on the outer peripheral surface and the second movable member 1012b ₁ of -X axial end face _{1012a 1W2} contact (the point _{b 2} the location of the long) for, the -X-axis direction end face _{1012a 1W2} than the distance between the distance between the position and the position _{x 0} of the X-axis of the point _{a 2} between the position and the position _{x 0} on the X axis Moves in the X-axis direction more than in the state of (a). In the state of (c), the second eccentric cams 1014b of being rotated is at the point _{c 2} on the outer peripheral surface and the second movable member 1012b ₁ of -X axial end face _{1012a 1W2} contact (the point _{c 2} the location of the long) for, the -X-axis direction end face _{1012a 1W2} than the distance between the distance between the position and the position _{x 0} of the X-axis of the point _{b 2} between the position and the position _{x 0} on the X axis Is in a state of moving further in the X-axis direction than in the state of (b). In the state of (c), connector 1015 on the second movable member 1012b ₃ is the displacement from the state of _(a), in the X-axis direction by x b3 _{-x b1.} The connector 1015 is connected to the connector 112 on the handy type video camera 11 side (= connector connection state) in the state of (c), so that the handy type video camera 11 is connected to an external device. The displacement amount of ± X-axis direction of the connector 1015 _x b3 _{-x b1} is, e.g., ^{30 × 10 -3 m~40 × 10 -3} m.

  According to the above-described embodiment, the hand-held video camera 11 is fixed to the video camera support unit 101 and the connection between the connectors 1015 and 112 is one-touch simultaneously by rotating the lever member 1013 of the video camera support unit 101. Therefore, the handy video camera 11 can be easily incorporated into the studio adapter in a short time. In addition, since the connection with the external device is performed at the lower portion of the handy type video camera 11, the lead wire connected to the external device can be prevented from being applied to the operation unit of the handy type video camera 11. As a result, the usability of the studio adapter can be improved.

It is a figure which shows the state by which the handy type video camera was attached to the video camera support unit as an Example of this invention. It is a figure which shows the structure of the connector connection part of the handy type video camera in FIG. It is a figure which shows the external appearance of the video camera support unit in FIG. It is a figure which shows the decomposition | disassembly structure of the video camera support unit of FIG. It is a figure which shows the top plane structure and side cross-section structure of the video camera support unit of FIG. It is operation | movement explanatory drawing of the 1st movable member of the video camera support unit of FIG. It is operation | movement explanatory drawing of the 2nd movable member of the video camera support unit of FIG. It is a figure which shows an example of the combination form of the conventional handy type video camera and studio adapter. It is a figure which shows the support state of the handy type video camera by a video camera support unit in the form of FIG. It is a figure which shows the method of the connection of a connector in the form of FIG. It is a figure which shows the state in which the connector was couple | bonded in the form of FIG.

Explanation of symbols

101 ... Video camera support unit,
1011 ... a fixing member,
1011a: a plane portion of the fixing member,
_1012a, 1012a 1, 1012a 2 _... first movable member,
_{1012b, 1012b 1, 1012b 2,} 1012b 3 ... second movable member,
1012a _1c , 1012b _1c ... recess,
1012a _1h , 1011b, 1011c, 1011d ... through hole,
108a, 108b, 118 ... nail part,
1013 ... Lever member,
1013a ... rotation center,
1013b ... rotating shaft,
1014a ... first eccentric cam,
1014b ... second eccentric cam,
1015, 112 ... connector,
1016 ... guide pin,
1017 ... Spring,
1018 ... Spring support member,
1020a ... 1st guide member,
1020b ... second guide member,
1021, 1022 ... sidewall member,
11 ... Handy camcorder,
111 ... Camera body,
113 ... Connector cover.

Claims (1)

A video camera support unit for a studio adapter that supports a handy video camera combined with a studio adapter,
A fixing member on which the handy type video camera is placed;
A first movable member comprising a camera lock portion for restraining the handy type video camera, and capable of linear movement and displacement with respect to the fixed member;
A second movable member comprising a connector for connecting the handy type video camera to an external device, and capable of linear movement and displacement with respect to the fixed member;
A first eccentric cam that contacts the first movable member and applies the displacement to the first movable member; and a first eccentric cam that contacts the second movable member and applies the displacement to the second movable member. A rotating part in which the two eccentric cams and the lever member are integrally rotatable around the same rotation center;
With
When the lever member is rotated by an external force, the first movable member is moved and displaced by the rotation of the first eccentric cam, and the handheld video camera is restrained by the camera lock portion or The restraint state is released, the second movable member is moved and displaced by the rotation of the second eccentric cam, and the handy video camera is connected to an external device or connected by the connector. A video camera support unit for a studio adapter, characterized in that the state is released.

Images