JP3098771U - Ballet stand - Google Patents

Abstract

An object of the present invention is to facilitate work of replacing a bar and replacing a large-diameter bar with a small-diameter bar.
When a large-diameter bar is held, a first receiving member and a second receiving member are opened around a hinge, and an adjusting member is removed from the first receiving member. This bar is placed between the first receiving members, and the second receiving member 22 is rotated and closed, and the locking portion 32 of the fastening means 3 is locked to the hook 24, and the second portion is operated by the operating portion 31. When the receiving member 22 is pulled toward the first receiving member 21, the large-diameter bar is sandwiched between the second receiving member 22 and the first receiving member 21. When holding a small-diameter bar, the adjusting member 4 may be used.
[Selection diagram] FIG.

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a stand used for ballet dance practice.
[0002]
[Prior art]
Conventionally, a ballet stand has two stands standing at a predetermined interval, and a cylindrical bar holding portion is provided at an upper end portion of the stand. From one of the bar holding portions, for example, a length of approximately 3 meters is provided. The bar was inserted from one end of the bar, inserted into the other bar holding portion, and then fixed by screwing in a set screw, and both ends of the bar were held in a horizontal state.
[0003]
[Issues to be solved by the invention]
However, in order to insert a bar having a length of 3 meters into the bar holding portion from one end and to the other bar holding portion, the operation is unexpectedly complicated because the bar is long. In addition, people who practice ballet are wide ranging from young people to adults, and depending on the size of these people's palms, it is necessary to change the bar diameter to 50 mm or 60 mm. The replacement operation also increases the complexity. Further, when the bar is inserted into the bar holding portion or fixed with a set screw, the surface of the bar may be damaged.
[0004]
Accordingly, it is an object of the present invention to provide a ballet stand in which bar replacement work is easy and the bar is not likely to be damaged when the bar is mounted.
[0005]
[Means for Solving the Problems]
The features of the ballet stand according to the present invention include an upright supporting means, a bar holding means provided at an upper end of the supporting means, a fastening means of the bar holding means, and a detachably provided inside the bar holding means. And an adjusting member used for holding a small-diameter bar, wherein the bar holding means is a cylindrical member comprising first and second two semicircular receiving members hingedly connected. The first receiving member is fixed to the support member in a horizontal state, the second receiving member is binge-coupled to the first receiving member and is rotatable, and the fastening means includes An operating portion rotatably provided on one of the first and second receiving members, and an operating portion rotatably provided on the operating portion and provided on one of the first and second receiving members; And a hook that can be connected to the hook. Of the receiving member is intended to be reduced in diameter by the biasing from the outside, the adjusting member is a semicircular receiving portion, where the elastic member is provided on the inner surface of the receiving portion.
[0006]
Another feature is that the fastening means includes an operating portion rotatable by a predetermined angle, a lever portion rotatably connected to the operating portion, and a locking member provided slidably with respect to the lever portion. And a spring member wound around the lever portion and the locking member, and for urging the extension of the locking member from the lever portion with a resistance spring force.
[0007]
Still another feature is that an engagement portion protrudes from a receiving portion of the adjusting member, and a locking portion is formed on the first receiving member. It is located where it is detachably locked.
[0008]
Still another feature resides in that an elastic member is attached to an inner surface of the semicircular receiving member.
[0009]
[Embodiment of the invention]
The embodiment of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, the structure of the present invention is roughly divided into a support means 1 standing on a floor and an upper end of the support means. It comprises a bar holding means 2, a fastening means 3 for the bar holding means, and an adjusting member 4 which is detachably provided inside the bar holding means and is used for holding a small diameter bar. Therefore, specific structures of these configurations will be described.
[0010]
First, as shown in FIG. 1, the support means 1 has a substantially inverted T-shape as a whole, and has a substrate 11 installed on a floor such as a ballet practice area, and stands up from the center of the substrate. A support pipe 12 having an upper end opening and a support column 13 inserted from the upper end opening of the support pipe are provided. In the upper half of the support pipe 12, a plurality of screw holes 12a are formed at predetermined intervals in multiple stages, and set screws 14 are screwed into these screw holes. In the upper half of the support column 13, a plurality of locking recesses 13a into which the tips of the screw portions of the set screws 14 are screwed are formed in multiple stages.
[0011]
The specific configuration of the bar holding means 2 is, as shown in FIG. 2 and FIG. 3, a cylindrical member comprising first and second two semicircular receiving members 21 and 22. The end of the receiving member is hinged by a hinge 23. As shown in FIGS. 1 and 2, the first receiving member 21 is fixed to the upper end of the support column 13 of the support member 1 in a horizontal state. The two locking holes 21a (FIG. 3A) are formed, and the locking holes communicate with the inside of the support column 13. The elastic member 211 is stretched on the inner surface of the first receiving member 21.
[0012]
As described above, the second receiving member 22 is hingedly connected to the first receiving member 21 and is rotatable. The receiving member 22 has hooks 24 at two edges where the first receiving member abuts. Is stuck. Then, an elastic member 221 is attached to the inner surface of the second receiving member 22.
[0013]
The fastening means 3 urges the first and second receiving members 21 and 22 from the outside to reduce the diameter, and the specific configuration thereof is as shown in FIGS. One receiving member 21 is rotatably provided, and a pair of locking portions 32 is rotatably provided on the main body. The locking portions 32 are connected to the hooks 24 of the second receiving member 22. It is possible.
[0014]
More specifically, as shown in FIG. 4, the operation unit 31 is rotatably attached to a support shaft 34 at the tip of a support unit 33 fixed to the surface of the first receiving member 21 by a predetermined angle. Further, the operating portion is provided with a locking portion 32 via a rotary shaft 35. The configuration of the locking portion 32 includes a pair of lever portions 321 rotatably connected to the rotary shaft 35. A locking member 322 is provided on each of the lever portions 321 so as to be slidable with respect to the lever portions. A coil spring 36 serving as a spring member is wound around the outer periphery of the pair of lever portions 321 and the locking member 322, respectively, and this coil spring allows the locking member 322 to move out of the lever portion 321. The spring force for resistance is urged. A locking shaft 323 provided between the pair of locking members 322 can be locked to the hook 24.
[0015]
The operating portion 31 of the fastening means 3 may be rotatably attached to the second receiving member 22, the hook 24 may be provided on the first receiving member 21, and the locking portion 32 may be connected to the hook.
[0016]
As shown in FIG. 3, the adjusting member 4 has a semicircular receiving portion 41 and an engaging column 42 as an engaging portion projecting from the bottom surface of the receiving portion. As shown in (C), this engaging column is detachably locked in a locking hole 21a which is a locking portion of the first receiving member 21, and an elastic member 43 is attached to the inner surface thereof. Or it has been applied. Further, on the bottom surface of the adjusting member 4, two spacers 44, 44 are provided on the same line as the engaging columns 42, 42, and this spacer abuts on the inner surface of the first receiving member 21.
[0017]
Therefore, when holding the large-diameter bar B according to the present invention, the first receiving member 21 and the second receiving member 22 are opened around the hinge 23, and the adjusting member 4 is removed from the first receiving member. The large-diameter bar B is placed between the first receiving members, and the second receiving member 22 is rotated and closed. In this closed state, the locking shaft 323 of the locking portion 32 of the fastening means 3 is locked to the hook 24, the operation portion 31 is rotated about the support shaft 34, and the second receiving member 22 is moved to the first position. When the locking member 322 is pulled toward the receiving member 21, the locking member 322 extends from the lever portion 321 against the spring force of the coil spring 36, and further, when the operating portion 31 is rotated to approach the first receiving member 21. The second receiving member 22 is held in a state of being close to the first receiving member 21, and the state shown in FIG. At this time, the large-diameter bar B is firmly held by the elastic members 211 and 221 adhered to the first and second receiving members 21 and 22.
[0018]
When replacing the large-diameter bar B with the small-diameter bar Ba, on the contrary, the operation unit 31 is rotated in the opening direction (counterclockwise in FIG. 323 is removed from the hook 24, the second receiving member 22 is opened centering on the hinge 23, and the large-diameter bar B is taken out. Therefore, the locking column 42 of the adjusting member 4 is inserted into the locking hole 21a of the first receiving member 21 and installed. Then, a small-diameter bar Ba is placed on the adjusting member 4, the second receiving member 22 is rotated about the hinge 23, and the locking shaft 323 of the fastening means 3 is locked to the hook 24, As described above, by operating the operating portion 31 of the fastening means, the second receiving member 22 is drawn to the first receiving member 21 and its position is maintained, and the state shown in FIG. At this time, the small-diameter bar Ba is more firmly held by the elastic member 221 of the second receiving member 22 and the elastic member 43 of the adjustment member 4.
[0019]
[Effect of the invention]
Since the ballet stand according to the present invention has the above-described configuration, it is easy to replace a bar and to exchange a large-diameter bar with a small-diameter bar. In addition, even if the bar is small in diameter, the bar is firmly held by using the adjusting member. Since the first, second receiving members and the adjusting member have elastic members attached thereto, the holding of the bar is very reliably. , And is more stably held. Furthermore, there is no risk of damaging the bar when attaching or detaching or fixing the bar.
[Brief description of the drawings]
FIG. 1 is a front view.
FIG. 2 is an enlarged front view of a bar holding unit.
FIG. 3A is a plan view showing a state where first and second receiving members are opened,
(B) is a front view showing a state in which the adjustment member is attached when the first and second receiving members are opened,
(C) is a side view of (B).
FIG. 4A is an enlarged cross-sectional view showing a state in which a large-diameter bar is sandwiched between first and second receiving members;
(B) is an enlarged sectional view showing a state where a small-diameter bar is sandwiched by first and second receiving members via an adjusting member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Support means 11 Substrate 12 Support pipe 12a Screw hole 13 Support pillar 14 Set screw 2 Bar holding means 21 First receiving member 21a Locking portion (locking hole)
22 second receiving member 221 elastic member 23 hinge 24 hook 3 fastening means 31 operating part 32 locking part 321 lever part 322 locking member 35 rotating shaft 36 spring member (coil spring)
4 Adjusting member 41 Receiving part 42 Engaging part (engaging column)
43 elastic member 44 spacer

Claims (4)

An upright supporting means, a bar holding means provided at an upper end of the supporting means, a fastening means of the bar holding means, and a detachably provided inside the bar holding means for use in holding a small-diameter bar. Consisting of adjustment members,
The bar holding means has a cylindrical shape including first and second two semicircular receiving members hingedly connected to each other;
The first receiving member is fixed to the support member in a horizontal state,
The second receiving member is binge-coupled to the first receiving member and is rotatable;
The fastening means is rotatably provided on one of the first and second receiving members, and is rotatably provided on the operating portion. A locking portion connectable to a hook provided on any one of the members, wherein the first and second receiving members are urged from outside to reduce the diameter;
A ballet stand, wherein the adjusting member has a semicircular receiving portion and an elastic member provided on an inner surface of the receiving portion. 2. The control device according to claim 1, wherein the fastening unit includes an operation unit rotatable by a predetermined angle, a lever unit rotatably connected to the operation unit, and a locking member slidably provided on the lever unit. A ballet stand comprising a lever member and a spring member wound around the locking member, the spring member biasing the extension of the locking member from the lever portion to apply a resistance spring force. In Claim 1, an engagement portion is provided on the receiving portion of the adjusting member so as to protrude therefrom, and a locking portion is formed on the first receiving member, and the engaging portion is provided on the locking portion. A ballet stand that is detachably locked. 2. The ballet stand according to claim 1, wherein an elastic member is attached to an inner surface of the semicircular receiving member.

Images