JP4321870B2 - Umbrella support device - Google Patents

Description

  The present invention relates to an umbrella support device that can be easily attached to and detached from a tripod.

Conventionally, for example, a base that is detachably mounted between a tripod head fixing part and a head, a shaft fixing part that is connected to the base via an arm, and an umbrella shaft attached to the shaft fixing part There is known an umbrella support device provided with a fastening means for fixing (see, for example, Patent Document 1).
JP 2001-56093 A

  However, in the above conventional umbrella support device, when mounting on a tripod, the pan head fixing screw of the tripod head fixing portion is screwed into the tripod mounting screw hole of the base, and then the tripod fixing screw hole of the pan head is fixed. The base head mounting screw must be screwed into the base, and when removing from the tripod, the base head mounting screw is removed from the head mounting screw hole and the tripod head fixing There is a problem in that it takes time to attach and detach the tripod mounting screw from the tripod mounting screw hole of the base.

  This invention is made | formed in view of such a point, and it aims at providing the umbrella support apparatus which can be easily attached or detached with respect to a tripod.

The umbrella support device according to claim 1 is pivotally connected to each other via a shaft member, and a pair of left and right holding bodies for holding a tripod elevating rod and a biasing force for biasing both the holding members in the hook holding direction. A force body, an umbrella support that is attached to the sandwich body and supports the umbrella, and when the sandwich bodies are rotated against the resistance force based on the bias of the bias body, Resistance reducing means for reducing the resistance force based on the biasing force of the biasing body, and the umbrella support body has a longitudinally extending connecting collar portion whose front end portion is connected to the shaft member, and And provided with an umbrella support part for supporting the umbrella, and the resistance reducing means is provided on the connection collar part so as to be slidable along the connection collar part. A slide member and one end of the slide member are pivotably connected, and the other end is pivotable to the holding body. And a binding has been a pair of left and right link members, the biasing member is one that is disposed between the slide member and the umbrella support.

The umbrella support device according to claim 2 is the umbrella support device according to claim 1, which resists the resistance force based on the urging force of the urging members until the base ends of the nip members abut each other. In this case, the slide member moves backward against the urging force of the urging body until the longitudinal direction of the link member substantially coincides with the longitudinal direction of the connecting collar portion.

According to the present invention, the tripod can be easily attached to and detached from the tripod by sandwiching the lifting / lowering rod of the tripod by a pair of pivoting members connected to each other and releasing the clamping, and attaching the biasing member. When the both clamping bodies are rotated against the resistance force based on the force, the operator is provided with the resistance force reducing means for reducing the resistance force based on the biasing force of the biasing body in the middle of the rotation. Can be rotated lightly and smoothly and has excellent operability .

  An embodiment of an umbrella support device of the present invention will be described with reference to the drawings.

  1 to 8, reference numeral 1 denotes an umbrella support device. The umbrella support device 1 is provided with an elevating rod (center for a tripod 2) in order to prevent rain from hitting a camera such as a camera or a video camera in rainy weather. It is an umbrella support clamp that is detachably attached to the pole 3 and supports the umbrella 5.

  The tripod 2 includes a base body 8 on which three leg bodies 9 are rotatably provided. The base 8 is provided with a lifting / lowering rod 3 that can be moved up and down, and a threaded portion 3 a is formed at the upper end of the lifting / lowering rod 3. A pan head is attached to the screw portion 3a of the lifting / lowering rod 3, and a camera such as a camera or a video camera is attached to the pan head.

  The umbrella support device 1 includes a pair of left and right holding bodies 11 that are rotatably connected to each other via a shaft member 10 in the vertical direction and hold the lifting rod 3 of the tripod 2 on the distal end side. A, that is, a coil spring 12 that is a substantially cylindrical urging body that urges the end portions of the sandwiching body 11 toward each other.

  Further, the umbrella support device 1 is fixedly attached to both the sandwiching bodies 11 via the shaft member 10 and supports both the umbrella support 13 that supports the umbrella 5 and the resistance force based on the bias of the coil spring 12. When the clamping body 11 is rotated in a direction opposite to the heel clamping direction A, that is, in a direction in which the front end portions of the clamping body 11 are separated from each other, a resistance force (reaction force) based on the bias of the coil spring 12 is being rotated. ) To reduce resistance force (toggle means) 14.

  Each of the pair of left and right sandwiching bodies 11 has a sandwiching body portion 21 that is pivotably connected to each other via a shaft member 10, and the outer diameter of the lifting rod 3 of the tripod 2 on the distal end side of the sandwiching body portion 21. Correspondingly, it has a flange contact portion 22 which is provided so as to be movable in the front-rear direction and contacts the outer periphery of the lifting rod 3.

  The sandwiching body portion 21 includes a distal end side portion 23 that sandwiches the lifting rod 3 of the tripod 2, a proximal end portion 24 that is gripped by an operator, and a bearing positioned between the distal end portion 23 and the proximal end portion 24. It consists of part 25 and.

  On the upper and lower inner surfaces of the distal end side portion 23, a concavo-convex portion 26 that is long in the front-rear direction is formed. A long hole portion 27 that is long in the front-rear direction is formed at the center in the up-down direction of the distal end side portion 23 so as to penetrate the inner and outer surfaces of the distal end side portion 23. Further, on the upper and lower portions of the distal end side portion 23, a substantially arc-shaped flange contact protrusion 28 that contacts the outer periphery of the lifting rod 3 of the tripod 2 is formed close to the bearing portion 25.

  The base end portion 24 includes an upper plate 31 and a lower plate 32 that are spaced apart from each other in the vertical direction, and an outer edge portion of the upper plate 31 and an outer edge portion of the lower plate 32 are connected by a connecting plate 33. A vertical link connecting shaft portion 34 is provided between the upper plate 31 and the lower plate 32, and a substantially rectangular opening 35 is formed in a portion of the connecting plate 33 facing the link connecting shaft portion 34. ing. A plurality of rows of groove portions 36 are formed on the outer surface of the connecting plate 33 to increase friction with the operator's hand. A shaft hole 37 is formed in the bearing portion 25, and the shaft member 10 is inserted into the shaft hole 37.

  The flange contact portion 22 includes a contact member 41 that can be moved and adjusted in the front-rear direction along the long hole portion 27 of the distal end portion 23 of the sandwiching main body portion 21, and the contact member 41 on the distal end side of the sandwiching body portion 21. An attachment member 42 for attachment to the portion 23 and a substantially plate-like urging member 43 for urging the contact member 41 toward the sandwiching main body 21 are provided.

  The abutting member 41 includes a substantially cylindrical cylindrical portion 45 that faces and separates from the flange abutting projection 28 of the distal end side portion 23 of the sandwiching main body portion 21, and a plate portion 46 that is provided integrally with the cylindrical portion 45. It consists of and. The plate portion 46 of the contact member 41 is formed with a positioning concavo-convex portion 47 that engages with the concavo-convex portion 26 of the distal end portion 23 of the sandwiching main body portion 21. When the collar contact portion 22 is moved and adjusted with respect to the sandwiching body portion 21 in accordance with the outer diameter of the lifting rod 3 of the tripod 2, the contact member 41 resists the bias of the biasing member 43. Is released from the sandwiching main body portion 21 and the engagement between the positioning uneven portion 47 of the plate portion 46 of the contact member 41 and the concave and convex portion 26 of the distal end portion 23 of the sandwiching main body portion 21 is released.

  The umbrella support 13 includes a front end portion which is one end portion connected and fixed to the shaft member 10 and a longitudinally long and substantially cylindrical connection collar portion 51, and a rear end which is the other end portion of the connection collar portion 51. And an umbrella support part 52 that supports the shaft 6 of the umbrella 5.

  A shaft hole portion 54 is formed at the front end portion of the connecting collar portion 51, and the shaft member 10 is inserted into and fixed to the shaft hole portion 54. A shaft hole 55 is formed substantially at the center in the longitudinal direction of the connecting collar 51, and a stopper shaft member 56 is inserted into and fixed to the shaft hole 55. A coil spring 12 that is a compression spring is disposed on the outer peripheral side of the rear end side of the connecting collar portion 51.

  The umbrella support portion 52 includes a support member 58 fixed to the rear end portion of the connecting collar portion 51 with a fixture 57, a screw member 60 screwed into the screw hole portion 59 of the support member 58, and a support member 58. And a cylindrical member 64 that is a substantially cylindrical joint member that is removably fitted into the cylindrical portion 61 and is screwed to the screw portion 62 of the screwing member 60.

  The tubular member 64 is previously screwed to the screw portion 7 formed at the lower end portion of the shaft 6 of the umbrella 5. The screw portion 7 of the shaft 6 of the umbrella 5 has two types of sizes, and the tubular member 64 of the umbrella support portion 52 can accommodate any size screw portion 7.

  The cylindrical member 64 has a main body portion 65 that is substantially cylindrical and has an opening on the upper and lower surfaces. The main body portion 65 is removably fitted into the substantially cylindrical tubular portion 61 of the support member 58. A screw portion 66 that is screwed to the screw portion 62 of the screw member 60 is formed on the upper and lower inner peripheral surfaces of the main body portion 65. In the main body 65, a middle cylindrical portion 67 having a substantially cylindrical shape with an opening on the upper and lower surfaces is disposed and fixed. The inner circumferential surface of the middle cylindrical portion 67 is screwed to the screw portion 7 of the shaft 6 of the umbrella 5. A first screw portion 68 and a second screw portion 69 are formed.

  As shown in FIG. 8, one of the first screw portion 68 and the second screw portion 69 corresponding to the size of the screw portion 7 of the shaft 6 of the umbrella 5 is screwed into the screw portion 7 of the shaft 6. By being attached, the tubular member 64 of the umbrella support 13 is detachably attached to the lower end portion of the shaft 6 of the umbrella 5.

  As shown in FIGS. 6 and 7, etc., the resistance reducing means 14 includes a slide member 71 provided on the outer peripheral side of the connecting collar 51 of the umbrella support 13 so as to be slidable along the connecting collar 51, A pair of left and right members having one end rotatably connected to the link connecting shaft portion 73 of the slide member 71 and the other end rotatably connected to the link connecting shaft portion 34 of the holding body portion 21 of the holding body 11. Link member 72.

  The slide member 71 has a cylindrical portion 74 having a substantially cylindrical shape and an opening on the front and rear surfaces. An upper plate portion 75 and a lower plate portion 76 are integrally provided above and below the cylindrical portion 74, and the upper plate portion 75 The left and right end portions and the left and right end portions of the lower plate portion 76 are connected by a link connecting shaft portion 73. Each link member 72 has a connecting portion 77 having a substantially C shape in plan view at both ends in the longitudinal direction, and each connecting portion 77 is rotatably connected to the link connecting shaft portions 34 and 73. . The connecting portion 77 of the link member 72 can be attached to and detached from the link connecting shaft portions 34 and 73. The coil spring 12 is disposed in a compressed state between the cylindrical portion 74 of the slide member 71 and the support member 58, and one end portion of the coil spring 12 abuts on the end surface of the cylindrical portion 74 of the slide member 71, The other end portion of the coil spring 12 is in contact with the spring receiving portion 58a of the support member 58.

  4 and 6, when the umbrella support device 1 is detached from the lifting rod 3 of the tripod 2 and the holding of the lifting rod 3 by the pair of left and right holding members 11 is released, the slide member 71 becomes a coil spring 12. Is moved forward and comes into contact with the stopper shaft member 56.

  Further, as shown in FIGS. 5 and 7, in order to attach the umbrella support device 1 to the lifting / lowering rod 3 of the tripod 2, the proximal end portion 24 of the sandwiching body portion 21 of both sandwiching bodies 11 is gripped, 11 is rotated in the direction opposite to the pinching direction A against the resistance force based on the biasing force of the coil spring 12 until the base ends of the both sandwiching bodies 11 come into contact with each other, the slide member 71 is Until the longitudinal direction of the link member 72 substantially coincides with the longitudinal direction of the link member 72, that is, until the longitudinal direction of the link member 72 substantially coincides with the longitudinal direction of the connecting flange portion 51, the link member 72 moves backward against the bias of the coil spring 12. .

  When both the sandwiching bodies 11 are rotated, the resistance force of the sandwiching body 11 based on the biasing force of the coil spring 12 is reduced during the pivoting, and the operator can The gripping force can be reduced, that is, the force applied from the hand to the two sandwiching bodies 11 can be reduced from the middle of rotation, and both the sandwiching bodies 11 can be rotated lightly and smoothly.

  Next, the operation and the like of the one embodiment will be described.

  The tubular member 64 of the umbrella support 13 is attached to the screw portion 7 of the shaft 6 of the umbrella 5 in advance. Further, the rod contact portion 22 of the sandwiching body 11 is moved and adjusted with respect to the sandwiching main body portion 21 so as to be positioned and fixed at a desired position according to the outer diameter of the lifting rod 3 of the tripod 2.

  As shown in FIG. 5 and the like, the operator grasps the proximal end side portion 24 of the sandwiching main body portion 21 of the pair of left and right sandwiching bodies 11, and holds both sandwiching bodies 11 so that the proximal end portions of both sandwiching bodies 11 are in contact with each other. Until the contact, the rotating operation is performed in the direction (opening direction) opposite to the hook clamping direction (closing direction) A against the resistance force based on the bias of the coil spring 12.

  When the holding body 11 is rotated in the opening direction, the resistance force of the holding body 11 based on the bias of the coil spring 12 is reduced during the rotation. The gripping force of both the sandwiching bodies 11 can be reduced.

  Subsequently, the operator holds the proximal end portion 24 of the sandwiching body portion 21 of the pair of left and right sandwiching bodies 11 and keeps the distal end sides of both sandwiching bodies 11 in the open state. The lifting / lowering rod 3 of the tripod 2 is put in between, and the hand is released from the proximal end side portion 24 of the sandwiching body portion 21 of the sandwiching body 11.

  When the operator releases his / her hand from the base end side portion 24 of the sandwiching body portion 21 of both the sandwiching bodies 11, the both sandwiching bodies 11 are closed by the urging force of the coil spring 12 about the shaft member 10 as the heel sandwiching direction A The elevating rod 3 of the tripod 2 is sandwiched between the left and right rod contact portions 22 and the left and right rod contact projections 28.

  Next, the operator inserts the cylindrical member 64 attached to the screw portion 7 of the shaft 6 of the umbrella 5 into the cylindrical portion 61 of the support member 58, and the screw portion 66 on the inner peripheral side of the lower end portion of the cylindrical member 64. Is screwed onto the screw portion 62 on the outer peripheral side of the screwing member 60.

  Then, as shown in FIG. 1, the umbrella 5 is supported by the umbrella support device 1 attached to the lifting / lowering rod 3 of the tripod 2, and the body 5 a of the umbrella 5 is used above a camera, a video camera or the like. Part is covered.

  When the umbrella support device 1 is detached from the lifting / lowering rod 3 of the tripod 2, the proximal end portion 24 of the sandwiching body portion 21 of the pair of left and right sandwiching bodies 11 is grasped and the distal end sides of both sandwiching bodies 11 are opened. After being in the state, the lifting / lowering rod 3 of the tripod 2 is extracted from between the front end sides of the both sandwiching bodies 11.

  And according to such an umbrella support apparatus 1, since it is a clamp structure using the left-right paired clamping body 11 mutually connected by the intermediate part via the shaft member 10, it is the conventional umbrella support apparatus. As compared with the above, the tripod 2 can be easily attached to and detached from the tripod 2 by holding the lifting rod 3 of the tripod 2 by the pair of left and right holding bodies 11 and releasing the holding.

  In addition, each of the left and right holding bodies 11 has a holding body part 21 and a hook contact part 22 provided on the holding body part 21 so as to be movable and adjustable according to the outer diameter of the lifting rod 3 of the tripod 2. The tripod 2 can appropriately handle various tripods having different outside diameters of the lifting rod 3.

  Further, the pair of left and right sandwiching bodies 11 are connected to each other via the shaft member 10 so as to be rotatable, and the umbrella support 13 is fixedly attached to the pair of left and right sandwiching bodies 11 via the shaft member 10. The umbrella support 13 can support the umbrella 5 appropriately and stably.

  Further, when the both holding bodies 11 are rotated in the opening direction against the resistance force based on the biasing force of the coil spring 12, the resistance force is decreased to reduce the resistance force based on the biasing force of the coil spring 12 during the rotation. Since the means 14 is provided, the operator can rotate both the sandwiching bodies 11 lightly and smoothly and has excellent operability.

  In the above embodiment, the umbrella support portion 52 of the umbrella support 13 is screwed into the screw portion 62 of the screw member 60 screwed into the screw hole portion 59 of the support member 58, and the tube of the support member 58 is used. Although the configuration having the cylindrical member 64 that fits into the cylindrical portion 61 has been described, for example, the configuration in which the cylindrical member 64 is simply fitted into the cylindrical portion 61 of the support member 58 may be used.

Further, the configuration is not limited to the configuration in which the umbrella support portion 52 that supports the shaft 6 of the umbrella 5 is fixed to the rear end portion of the connection collar portion 51. For example, the umbrella support portion 52 rotates around the rear end portion of the connection collar portion 51. The structure etc. which were provided so that dynamic adjustment was possible may be sufficient .

It is a side view which shows the state which supported the umbrella with the umbrella support apparatus which concerns on one embodiment of this invention. It is a perspective view of an umbrella support apparatus same as the above. It is a disassembled perspective view of an umbrella support apparatus same as the above. It is a top view of an umbrella support apparatus same as the above. It is a top view which shows the state which hold | gripped the clamping body of the umbrella support apparatus same as the above. It is a cross-sectional view of the umbrella support device. It is a cross-sectional view of the umbrella support device. It is a longitudinal cross-sectional view of an umbrella support apparatus same as the above.

Explanation of symbols

1 Umbrella support device 2 Tripod 3 Lifting rod 5 Umbrella
10 shaft member
11 Nipping body
12 Coil spring as an urging body
13 Umbrella support
14 Resistance reduction means
51 connecting buttocks
52 Umbrella support
71 slide member
72 Link member A 杆 Holding direction

Claims (2)

A pair of left and right sandwiching bodies that are pivotally connected to each other via a shaft member and sandwich a lifting rod of a tripod;
An urging body that urges both of these nips in the heel clamping direction;
An umbrella support attached to the sandwiching body and supporting the umbrella;
Resistance force reducing means for reducing the resistance force based on the urging force of the urging body in the middle of the rotation when the both clamping bodies are rotated against the resistance force based on the urging force of the urging body; equipped with a,
The umbrella support is
A connecting collar portion that is longitudinal in the front-rear direction in which the front end portion is connected to the shaft member;
An umbrella support part that is provided at a rear end part of the connecting collar part and supports the umbrella;
The resistance reducing means is
A slide member slidably provided along the connecting hook on the connecting hook;
A pair of left and right link members having one end rotatably connected to the slide member and the other end rotatably connected to the holding body;
The urging body is disposed between the slide member and the umbrella support part . When both the clamps are rotated against the resistance force based on the bias of the biasing body until the base ends of these clamps are in contact with each other, the slide member has a connecting hook portion whose longitudinal direction is the link member It moves backward against the biasing force of the biasing body until it substantially coincides with the longitudinal direction of
The umbrella support device according to claim 1.

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