JP2008082460A - Stand device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stand device capable of preventing a leg body from becoming a hindrance, and placeable while standing without bringing down the whole stand device sideways in a folded-up unused state of the leg body. <P>SOLUTION: This stand device 1 has a base body 2. A support 3 for installing a support object in an upper end part is erected in a substantially vertical shape in this base body 2. A plurality of leg bodies 4 becoming a substantially vertical-shaped folded-up unused state by the rotational movement in the upward direction and becoming a substantially horizontal-shaped developed use state by the rotational movement in the downward direction, are rotatably arranged in the vertical direction in the base body 2. An easily slidable contact part 40 is formed on a tip part under surface of the leg body 4. The stand device 1 self-stands by the base body 2 in the folded-up unused state of the leg body 4. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a stand device that supports a supported object such as a lighting device or a camera.

Conventionally, for example, a support to which a supported object such as a lighting device is attached to the upper end, and a bracket attached to the bracket of the support so as to be pivotable, and by being turned downward, the folding along the pillar becomes non-useable and upward. There is known a stand device such as a photographic illumination stand that includes a plurality of legs that are in an inclined unfolded use state by rotating and a plurality of arms that hold the legs in an unfolded unfolded use state. (For example, refer to Patent Document 1).
JP-A-8-159382 (FIGS. 1 and 2)

  However, in the conventional stand device, since the leg is positioned in an inclined shape with respect to the horizontal direction when the leg is deployed and used, there is a possibility that the leg interferes with a shooting operation or the like. In addition, when the leg is not folded, the entire stand device must be placed on its side.

  The present invention has been made in view of the above points, and can prevent the leg from getting in the way when the leg is deployed and used, and the entire stand device can be tilted sideways when the leg is not folded. An object of the present invention is to provide a stand device that can be left standing without any problems.

  The stand device according to claim 1 is provided with a base body, a support body standing substantially vertically on the base body, to which an object to be supported is attached, and provided on the base body so as to be rotatable in the vertical direction. A plurality of legs that are in a non-vertical folding use state by rotation and are in a substantially horizontal unfolding use state by turning downward, and when the legs are not in a folding use state, It is independent by the substrate.

  According to a second aspect of the present invention, in the stand device according to the first aspect, the base has a contact portion on the lower surface that comes into contact with the placement portion, and the leg body easily slides in contact with the placement portion. When the leg is unfolded and used, only the slidable contact portion of the leg contacts the mounting portion and the leg is not folded. Only the contact portion of the base comes into contact with the placement portion.

  According to a third aspect of the present invention, in the stand apparatus according to the first or second aspect, the base has a head hole formed on one side and a shaft hole formed on the other side, and is opposed to each other. An opposing plate part, a head member fixed to the hole for the head part, a shaft part inserted through the hole for the shaft part, and a bolt member positioned between the opposing plate parts forming the pair, and And a leg member having a substantially rectangular tube-like leg member whose base end portion is rotatably attached to the shaft portion of the bolt member. One side surface of the base end portion of the leg member is slidably contacted with the bottom surface of the head of the bolt member, and the other side surface of the base end portion of the leg member is slidably contacted with the other counter plate portion. It is what.

  The stand device according to claim 4 is a lock operating body according to any one of claims 1 to 3, wherein the leg device is locked in a deployed use state by restricting the upward rotation of the leg. The lock operating body is provided at the base end of the leg so as to be movable along the longitudinal direction of the leg, and is locked by moving in one direction and locked by moving in the other direction. It will be in a release state.

  According to the present invention, it is provided with a plurality of legs that are in a non-vertical folding use state by turning upward and in a substantially horizontal unfolding use state by turning downward. Since it is designed to stand on its own when the fold is not used, the leg can be prevented from interfering when the leg is deployed and used, and the entire stand device can be placed horizontally when the fold is not used. You can leave it upright without defeating it.

  An embodiment of a stand device of the present invention will be described with reference to the drawings.

  1 to 4, reference numeral 1 denotes a stand device. The stand device 1 is, for example, a camera stand / illumination stand that supports a supported object (not shown) such as an illumination device or a camera.

  The stand device 1 has a base 2 such as a base and a longitudinal shape in which the lower end is fixed to the base 2 in a substantially vertical manner and a supported object (not shown) is detachably attached to the upper end. The support 3 and the base body 2 are provided so as to be pivotable in the vertical direction about the horizontal axis, and the substantially vertical folding-free state (state shown in FIG. 1) is obtained by pivoting approximately 90 degrees upward. ), And a plurality of, for example, three legs 4 which are in a substantially horizontal deployment and use state (the state shown in FIG. 2) by turning about 90 degrees downward.

  Further, the stand device 1 is movably provided at the base end portion of the leg body 4 and is in a locked state to restrict the upward rotation of the leg body 4 and lock the leg body 4 in a deployed use state. A plurality of, for example, three lock operating bodies 5 and a plurality of, for example, three, springs 6 that are the urging bodies that urge the lock operating bodies 5 into a locked state are provided.

  As shown in FIG. 1, the stand device 1 stably stands by the base 2 on the placement portion 8 such as the floor surface when the leg 4 is not in the substantially vertical folding state. As shown in FIG. 2, the stand device 1 stably stands by the three legs 4 on the placement portion 8 such as the floor surface when the legs 4 are in a substantially horizontal unfolded and used state. .

  The base body 2 has a base member 11 having a flat contact portion 10 formed on a lower surface thereof that comes into contact with the placement portion 8 such as a floor surface when the leg 4 is not folded. The base member 11 includes a cylindrical portion 12 to which the lower end portion of the support 3 is fixed, and, for example, three pairs of opposing plate portions 13a and 13b that are provided integrally with the cylindrical portion 12 and face each other. . As shown in FIG. 5, a circular head hole 14 is formed in one counter plate portion 13a, and a circular shaft portion smaller than the head hole 14 is formed in the other counter plate portion 13b. A service hole 15 is formed.

  Further, the base 2 has a head 21 fitted into and fixed to the head hole 14 of the base member 11 and the shaft 22 is inserted into the shaft hole 15 of the base member 11 so as to form a pair between the opposing plate portions 13a and 13b. The bolt member 23 is positioned, and the nut member 24 is screwed to the tip end portion of the shaft portion 22 of the bolt member 23.

  The bolt member 23 includes a head portion 21 and a shaft portion 22, and a plurality of grooves 26 are formed on the outer peripheral surface of the head portion 21 along the axial direction of the bolt member 23. The axial dimension of the head 21 is larger than the thickness dimension of one counter plate 13a, and the end of the head 21 on the side of the shaft 22 is the inner surface of one counter plate 13a (opposite the other counter plate 13b). Projecting inward from the opposing surface). A thread groove 27 is formed on the outer peripheral surface on the front end side of the shaft portion 22. An annular concave portion 28 is formed at a substantially central portion in the axial direction of the shaft portion 22.

  Furthermore, the base body 2 is positioned in parallel with the bolt member 23 between the opposing plate portions 13a and 13b that make a pair, and the leg body 4 is restricted from rotating downward by the abutment with the leg body 4. 4 has a stopper shaft member 29 for positioning 4 in a substantially horizontal unfolded use state. Further, the opposing plate portions 13a and 13b are engaged with the lock operation body 5 when the leg body 4 is not folded, and the first engagement recess 31 that engages with the lock operation body 5 when the leg body 4 is deployed and used. A second engagement recess 32 is formed.

  The support 3 is composed of, for example, a plurality of cylindrical pipes and the like, and has a longitudinal and substantially cylindrical shape that protrudes upward from the cylindrical portion 12 of the base member 11 of the base body 2 and can extend and contract in the longitudinal direction. It has become. The support 3 has a support surface portion 34 at the upper end portion, and a screw shaft portion 35 is provided at the center of the support surface portion 34, and a screw hole portion of a supported object is screwed to the screw shaft portion 35. The support 3 shown in FIGS. 1 and 2 is in the most contracted state, but the longitudinal dimension of the support 3 in this state is larger than the longitudinal dimension of the legs 4.

  The leg 4 has an easy-sliding contact portion 40 on the lower surface of the distal end portion that comes into contact with the placement portion 8 such as a floor surface when the leg 4 is deployed and used (see FIG. 3). The slidable contact portion 40 is made of, for example, a fluororesin, has a small coefficient of friction with the placement portion 8 such as a floor surface, and is easy to slide with respect to the placement portion 8.

  The leg body 4 includes a substantially quadrangular cylindrical leg member 41 whose base end portion is rotatably attached to the shaft portion 22 of the bolt member 23 of the base body 2, and a distal end attached to the distal end portion of the leg member 41. Member 42.

  At the base end portion of the leg member 41, a circular hole 43 corresponding to the shaft portion 22 of the bolt member 23 and a long elongated hole 44 along the longitudinal direction of the leg member 41 are formed. The shaft member 22 of the bolt member 23 of the base body 2 is inserted into the hole 43 of the leg member 41, and the leg member 41 is rotatable about the shaft member 22 with respect to the bolt member 23. One side surface 41a of the base end portion of the leg member 41 is slidably brought into contact with the bottom surface of the head portion 21 of the bolt member 23, that is, the end surface of the head portion 21 on the shaft portion 22 side, and the other side surface 41b of the base end portion of the leg member 41 is The other opposing plate portion 13b is slidably in contact with the inner surface (the opposing surface facing the one opposing plate portion 13a). A space portion 45 is formed between one side surface 41a of the base end portion of the leg member 41 and the inner surface of the one opposing plate portion 13a (see FIG. 5).

  The tip member 42 has a substantially columnar shape, and an under-slip portion that is one end face portion of the tip member 42 has a slippery contact portion 40 that comes into contact with the placement portion 8 when the leg 4 is deployed. Is formed. In addition, an elastic contact portion 46 made of, for example, rubber is formed on the upper surface portion, which is the other end surface portion of the tip member 42, in contact with the outer peripheral surface of the support body 3 when the leg body 4 is not folded. . The elastic contact portion 46 is formed in a circular arc shape corresponding to the outer peripheral surface of the support 3.

  The lock operating body 5 is provided at the base end portion of the leg member 41 of the leg body 4 so as to be movable along the longitudinal direction of the leg body 4, and the leg body 4 is moved in one direction (moving toward the base body 2 side). The leg 4 is locked in the unfolded and used state by restricting the upward rotation of the leg 4, and the leg 4 is moved upward by moving in the other direction (moving away from the base 2). It will be in the lock release state which permits rotation and cancels the lock state of the leg 4.

  The lock operating body 5 has a pair of substantially elliptical plate-like operation portions 51 that are spaced apart from each other and two connection shaft portions 52 and 53 that connect the operation portions 51 to each other. The operation portion 51 is formed with a plurality of grooves 54 extending in a direction orthogonal to the moving direction of the lock operating body 5. Further, the operating portion 51 is formed with an engaging portion 55 that engages with the first engaging recess 31 when the leg 4 is deployed and engages with the second engaging recess 32 when the leg 4 is not folded. Has been. The connecting shaft portions 52 and 53 are slidably inserted along the long hole 44 in the long hole 44 of the leg member 41 of the leg 4. One connecting shaft 52 is attached with one end of a coiled spring 6 that urges the lock operating body 5 into a locked state, and the other end of the spring 6 is the shaft of the bolt member 23 of the base 2. It is attached to the annular recess 28 of the part 22.

  Next, the operation and the like of the stand device 1 will be described.

  When the stand device 1 is used, the leg 4 is gripped, and the base 4 of the leg 4 comes into contact with the stopper shaft member 29 around the shaft 22 of the bolt member 23 with respect to the base 2. Until it is rotated 90 degrees downward until it is in a substantially horizontal unfolded state.

  At this time, there is no need to operate the lock operating body 5, and the engaging portion 55 of the lock operating body 5 comes out of the second engaging recess 32 of the base body 2 as the leg body 4 rotates, and then the spring 6 enters the first engagement recess 31 of the base body 2 by the urging force 6 and engages with the first engagement recess 31. As a result, the leg 4 is deployed in a substantially horizontal state by the lock operating body 5. It becomes locked state.

  In this way, as shown in FIG. 2, the stand device 1 is stably and independently supported by the three legs 4 in a substantially horizontal deployment use state on the placement portion 8 such as the floor surface, and the support body 3. A supported object such as a lighting device or a camera is attached to the upper end of the lens. When the leg 4 shown in FIG. 2 is in the unfolded and used state, only the slidable contact portion 40 of the leg 4 is in contact with the placement portion 8, and therefore, the stand device 1 that supports the supported object. The whole can be easily moved on the placement portion 8.

  Further, when the stand device 1 is not used, as shown in FIG. 3, the lock operating body 5 is moved with respect to the leg 4 against the bias of the spring 6, and the engaging portion 55 of the lock operating body 5 is moved. The lock operating body 5 is brought into the unlocked state by coming out of the first engaging recess 31 of the base 2.

  Subsequently, the leg 4 is gripped, and the leg 4 is held approximately 90 upwards with respect to the base 2 until the elastic contact portion 46 abuts the outer peripheral surface of the support 3 with the shaft portion 22 of the bolt member 23 as the center. It is turned to a substantially vertical folding state along the support 3.

  At this time, the engaging portion 55 of the lock operating body 5 enters the second engaging recess 32 of the base body 2 by the urging force of the spring 6 and engages with the second engaging recess 32. Due to the engagement between the engagement portion 55 of the lock operating body 5 and the second engagement recess 32, the leg 4 is held in a substantially vertical folding non-use state.

  In this way, as shown in FIG. 1, the stand device 1 is stably self-supported only by the base 2 on the placement part 8 such as the floor surface, and is stored in a storage place such as a corner of the photographing room in this standing posture. Is done. Note that, when the leg 4 shown in FIG. 1 is not in the folded state, only the contact portion 10 of the base 2 is in contact with the placement portion 8.

  The stand device 1 includes a plurality of legs 4 that are in a substantially vertical folding non-use state by turning upward and in a substantially horizontal unfolding use state by turning downward. When the leg 4 is not folded, the base 2 is self-supporting on the placing portion 8 such as the floor surface. It is possible to prevent obstruction, and when the legs 4 are not folded, the entire stand device 1 can be left standing without being laid down sideways, and storage of the stand device 1 is facilitated. .

  Further, when the leg 4 is in a deployed and used state, only the slidable contact portion 40 of the leg 4 is in contact with the placement portion 8, so that the entire stand device 1 supporting the supported object is placed on the placement portion. 8 can be easily moved, and photographing work and the like can be easily performed.

  Further, the head 21 of the bolt member 23 is fitted and fixed in the head hole 14 of the base member 11, and the base end one side surface 41a of the leg member 41 is slidable against the bottom surface of the head 21 of the bolt member 23. Since the base end other side surface 41b of the leg member 41 is slidably in contact with the inner surface of the other opposing plate portion 13b, the opposing plate portions 13a and 13b are inwardly tightened by tightening the nut member 24. The leg 4 is not easily affected by the tightening of the nut member 24 without being bent, and the leg 4 can be smoothly rotated.

  Further, the leg 4 can be securely locked in a substantially horizontal unfolded use state by the lock operation body 5 having a simple configuration, and the leg body can be moved by slightly moving the lock operation body 5 against the bias of the spring 6. 4 can be easily unlocked.

  For example, although not shown, the leg body 4 may be configured to extend and contract in the longitudinal direction of the leg body 4.

  Further, the structure is not limited to the structure in which the leg 4 has the slidable contact portion 40 where the leg 4 comes into contact with the placement portion 8 on the lower surface of the distal end portion, and the structure in which a caster is provided at the distal end of the leg member 41 of the leg 4. Good.

It is a perspective view of one embodiment of a stand device of the present invention. It is a perspective view at the time of use of a stand apparatus same as the above. It is a partial side view of a stand apparatus same as the above. It is a partial disassembled perspective view of a stand apparatus same as the above. It is a fragmentary sectional view of a stand apparatus same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Stand apparatus 2 Base | substrate 3 Support body 4 Leg body 5 Lock operation body 8 Mounted part
10 Contact area
13a, 13b Opposite plate
14 Head hole
15 Shaft hole
21 head
22 Shaft
23 Bolt member
24 Nut member
40 Sliding contact area
41 Leg member
41a One side of the base end
41b Base end other side

Claims (4)

A substrate;
A support body which is erected on the base body in a substantially vertical shape, and to which a support is attached;
The base body is provided so as to be pivotable in the vertical direction, and is turned into a substantially vertical folding non-use state by turning upward, and is in a substantially horizontal unfolding use state by turning downward. With legs,
A stand device characterized in that the leg body is self-supporting when not folded. The base has a contact portion on the lower surface that comes into contact with the placement portion,
The leg has an easy-sliding contact part on the lower surface of the tip part that comes into contact with the placement part,
When the leg is deployed and used, only the slidable contact portion of the leg contacts the placement portion,
The stand device according to claim 1, wherein when the leg is not folded, only the contact portion of the base body is in contact with the placement portion. The substrate is
A head hole is formed on one side, and a shaft hole is formed on the other side.
A head member fixed to the head hole, a shaft member inserted into the shaft hole, and a bolt member positioned between the opposing plate parts forming the pair;
A nut member screwed to the tip of the shaft portion of the bolt member;
The leg body has a substantially rectangular tube-shaped leg member whose base end portion is rotatably attached to the shaft portion of the bolt member,
One side surface of the base end portion of the leg member is slidably contacted with the bottom surface of the head of the bolt member, and the other side surface of the base end portion of the leg member is slidably contacted with the other counter plate portion. The stand device according to claim 1 or 2, wherein A lock operating body that regulates the upward rotation of the leg and locks the leg in the unfolded use state.
The lock operating body is provided at the base end portion of the leg so as to be movable along the longitudinal direction of the leg. The lock operating body is locked by moving in one direction and unlocked by moving in the other direction. The stand device according to any one of claims 1 to 3, wherein:

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