JP2740501B2 - Ball cage frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame for a ball cage, and more particularly to a frame structure of a foldable ball cage for accommodating a basketball, a volleyball or the like.

[0002]

2. Description of the Related Art Hitherto, for example, a ball cage frame of such a foldable structure disclosed in Japanese Utility Model Laid-Open No. 2-102266 has been known. As shown in FIG. 8, the structure of this ball cage frame is an inner support 200 and an outer support 300 which can slide the inner support 200 in the axial direction.
The pillars 100 composed of the outer pillars 300 built in and out of the lower end of the pillars are arranged at four corners, and the brackets 400 are fixed to the upper and lower ends of the pillars 100, respectively.
Each end of an X-shaped rod 500 that pivotally supports an intersection is connected to each bracket 400 of an adjacent column 100. According to the above configuration, when the frame body is changed from a closed state (storage state) to an open state (use state), when the column 100 is moved in the opening direction, the upper and lower ends of the X-shaped rod 500 are opened, and each column 100 The outer strut 300 moves downward along the inner strut 200, and shifts to an open state (used state). When the state is changed from the open state (use state) to the closed state (storage state), the outer column 300 of each column 100 moves upward along the inner column 200 by the above-described reverse operation, and is closed. To the stored state (storage state). That is, the strut 100 is shorter in the open state, and longer in the closed state, so that the height of the frame is higher in the housed state than in the used state. However, since the height of the frame body is increased in the stored state, the frame body becomes bulky at the time of storage and it is difficult to store it, and the height of the frame body is reduced at the time of use, so the storage capacity of the ball cage is reduced. As a result, there were difficulties in storage and usability.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and has as its object the purpose of making the frame compact during storage and convenient for storage, and the ball storage property when used. The object of the present invention is to provide a ball cage frame which is excellent in quality. Still another object is to allow the frame to open semi-automatically when it is put into use.

[0004]

In order to achieve the above-mentioned object, the present invention has the following object. A first aspect of the present invention is a flexible ball storage basket which can be folded by a frame having four columns. A frame for a ball cage to be held, wherein the struts are constituted by an inner strut and an outer strut built in such a manner that the inner strut can be protruded and retracted in the axial direction, and the struts are arranged at four corners of the frame, A fixed bracket is fixedly attached to the inner column of the outer column, and a movable bracket is slidably provided on the opposite side of the outer column from the inner column of the outer column. , Each end of an X-shaped rod pivotally supported is connected, and the upper part of the inner support and the movable bracket are connected by a connecting rod. Claim 2 provides a flexible ball storage basket,
What is claimed is: 1. A frame for a ball cage, which is foldably held by a frame having four pillars, wherein the pillar comprises an inner pillar and an outer pillar in which the inner pillar is built in and retracts in the axial direction. Arranging the struts at the four corners of the frame, fixing the fixed bracket to the inner strut side of each of the outer struts,
A movable bracket is slidably provided on the opposite side of the inner pillar protruding and retracted side of the outer pillar, and each end of an X-shaped rod pivotally supporting an intersection portion is fixed to each fixed bracket and the movable bracket of the adjacent pillar, An elongated hole is provided along the outer column, and the lower end of the inner column desired from the elongated hole is connected to the moving bracket. Claim 3 is a ball cage frame body for holding a flexible ball storage basket body in a foldable manner by a frame body having four pillars, wherein the pillars include an inner pillar and the inner pillar in the axial direction. It consists of a built-in outer strut that can freely move in and out, and this strut is arranged at the four corners of the frame,
A fixing bracket is fixedly attached to the inner column protruding side of each of the outer columns, and a moving bracket is slidably provided on the side opposite to the inner column protruding side of the outer column, and intersects each fixing bracket and the moving bracket of the adjacent column. That is, each end of the X-shaped rod pivotally supporting the portion is pivotally connected. According to a fourth aspect of the present invention, there is provided an energizing force that constantly applies an urging force in a direction in which the two brackets approach each other over the fixed bracket and the moving bracket in the ball cage frame according to any one of the first to third aspects. That is, the means are constructed.
Said biasing means can be achieved, for example, by using a tension spring.

[0005] According to the above means, the following effects are obtained. According to the first aspect of the present invention, when the support is moved from the open state toward the inside of the frame, the moving bracket provided on the outer support of each support of the frame is fixed to the fixed bracket with the movement of the X-shaped rod. Move in the direction away from you. At this time, since the moving bracket is connected to the inner support by the connecting rod,
The inner strut is housed in the outer strut in synchronization with the connecting rod to be in a housed state. Then, when the support is moved outward from the frame from the closed state, the moving bracket moves in a direction approaching the fixed bracket with the movement of the X-shaped rod. As a result, the inner support is projected from the outer support in synchronization with the connecting rod, and the inner support is used. Claim 2
According to the means of (1), when the support is moved from the open state in the same manner as in claim 1, the movable bracket is connected to the lower end of the inner support desired through the elongated hole provided along the outer support. With the movement of the inner support, the inner support is housed in the outer support and is in a housed state. When the support is moved from the closed state in the same manner as in the first aspect, the inner support is protruded from the inside of the outer support with the movement of the movable bracket, so that the inner support is used. According to the third aspect of the present invention, when the frame is closed and stored, the inner support is housed in the outer support, and then the support is moved in the same manner as in the first aspect. It is moved and stored. According to the fourth aspect of the present invention, since the movable bracket is pulled upward by the urging force of the urging means, the frame body opens semi-automatically.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show an example of the embodiment, in which 1 is a column, 2 is a fixing bracket, 3
Is a moving bracket, 4 is an X-shaped rod, 5 is a connecting rod, and 6 is an urging means.

The support 1 is an inner support 11 made of a square pipe.
And an outer column 12 made of a square pipe which is built in such that the inner column 11 is slidable in the axial direction and protrudes and retracts from the upper end of the outer column 12. The outer strut 1
A fixed bracket 2 is fixed to the upper end of the fixed bracket 2, and a movable bracket 3 is slidably provided below the fixed bracket. Although the support 1 is described as being formed of a square pipe in the present embodiment, it is not limited to the square pipe but may be formed of, for example, a round pipe.

[0008] The four columns 1 thus configured are arranged at four corners by using four columns, and each fixing bracket 2 of the adjacent column 1 is used.
Each end of the X-shaped rod 4 is pivotally connected to the moving bracket 3 and the upper part of the inner support 11 and the moving bracket 3 are connected by the connecting rod 5 to form the frame A. The foldable ball storage basket 7 is attached to the frame A. Further, a belt 71 for binding the frame A to the outside of the net basket 7 is provided in order to maintain the storage state.

The fixing bracket 2 is formed in a substantially L-shape in plan view, a through hole 21 is provided at a corner portion that matches the planar outer shape of the outer column, and an extension portion has an axial direction of the through hole 21 and an end of the extension portion. Attachment parts 22 and 23 with open parts are provided. The mounting portions 22 and 23 are formed such that their intersecting central axes are eccentric from the center of the through-hole 21. Specifically, the central axis of the mounting portion 22 is moved from the center of the through-hole 21 to the inside of the frame, and The axes are respectively eccentric from the center of the through hole 21 to the outside of the frame. Then, the fixing bracket 2 formed as described above is fitted to the upper end of the outer support and fixed by screws 24.

The movable bracket 3 is formed in a substantially L-shape in plan view similarly to the fixed bracket 2, and a through hole 31 slightly larger than the planar outer shape of the outer post is provided in a corner portion, and the extension portion is formed in the axial direction of the through hole. And attachment portions 32 and 33 having the ends of the extension portions opened. The mounting portions 32 and 33
The center axis of the crossing is formed eccentrically from the center of the through-hole 21. More specifically, the center axis of the mounting portion 32 is shifted from the center of the through-hole 21 to the outside of the frame, and the center axis of the mounting portion 33 is aligned with the through-hole 21. Each is eccentric from the center to the inside of the frame. Then, the movable bracket 3 formed as described above is fitted to the outer support 12 so as to be slidable.

The X-shaped rod 4 is composed of two equal-length square pipes 41, 4
2 are crossed, and the crossed portion is pivotally connected by a support shaft 43 so that the upper and lower ends approach and separate from each other. Then, each end of the X-shaped rod 4 formed as described above is attached to the fixing bracket 2 of each of the adjacent columns 1 and the mounting portion 2 of the moving bracket 3.
2, 23, 32, and 33 are rotatably pivoted by support shafts to connect adjacent columns 1 to each other.

The upper end of the connecting rod 5 is attached to a mounting member 110 at the upper part of the inner support 11 by screws 111, and the lower end is an extension of a support shaft for pivotally connecting the X-shaped rod 4 to an attaching portion 33 of the movable bracket 12. It is attached to connect the inner support 11 and the movable bracket 3. still,
Although the connecting rod 5 is described as being formed of a square pipe in the present embodiment, the connecting rod 5 is not limited to a square pipe but may be formed of, for example, a round pipe.

The biasing means applies a biasing force in a direction in which the fixed bracket 2 and the moving bracket always approach each other. The biasing means is constituted by a tension spring 6 and spans the fixed bracket 2 and the moving bracket 3. . still,
In the present embodiment, the urging means is constituted by a tension spring. However, the urging means is not limited to the tension spring 6 but may be rubber, for example. Any device that applies an urging force in the approaching direction may be used. The urging means is common to other embodiments described later.

In the drawing, reference numeral 8 denotes a lock means for locking the inner support to the outer support in use. The locking means includes a stopper 81 and a spring 82 for constantly urging the stopper in the outward direction, which is disposed in the inner column 11, and the stopper 81 is formed in the opening 112 formed in the inner column 11.
And the inner support 1 is attached to the outer support 12.
An opening 121 into which the tip of the stopper 81 fits is opened in a state in which 1 is stored. Thereby, the stored state of the inner support 11 is maintained in the use state. Note that the locking means 8 is not limited to the one provided only at the position where the storage state is held, and the opening 121 into which the tip of the stopper 81 fits with the inner support 11 protruding from the outer support 12. May be opened to hold the protruding state in addition to the storage state. The locking means 8 is common to other embodiments described later.

In this embodiment, the outer support is described on the lower side and the inner support is described on the upper side. However, the vertical relationship may be reversed. The above configuration is common to other embodiments described later.

Hereinafter, a method of opening and closing the frame will be described. First, in order to put the frame A in the housed state, when the column 1 is moved inward from the opened state of the frame A, X
The rod 4 moves in the direction in which the upper and lower ends approach, and each column 1
Is moved toward the center of the frame A so as to be pulled by the movement of the X-shaped rod 4 and the frame A is closed, and at the same time, the moving bracket 3 provided on the outer support 12 is moved by the movement of the X-shaped rod 4. To move down. Since the movable bracket 3 is connected to the inner support 11 by the connecting rod 5, the inner support 11 is pulled by the connecting rod 5 so that the inner support 11 can be pulled inside the outer support 12.
And is stored. Thereafter, the belt 71 is wound around the outer periphery of the frame A and tied up to maintain the housed state. Next, in order to put the frame A in use, the belt 71 is used.
When the support 1 is moved to the outside of the frame A from the state in which the frame A is closed and the upper and lower ends of the X-shaped rod 4 move away from each other, each of the supports 1 moves in the direction of the X-shaped rod 4. The moving racket 3 provided on the outer support 12 moves upward along with the movement of the X-shaped rod 4 at the same time as the frame A is opened by pushing outwardly of the frame A so as to be pushed open. Then, the inner support 11 protrudes from the outer support 12 so as to be pushed up by the connecting rod 5 and is locked by the lock means 8 to be used. At this time, since the movable bracket 3 is pulled upward by the urging force of the tension spring 6, the frame body A is opened automatically.

Next, another embodiment of the present invention will be described, but the description of the same parts as those of the above embodiment will be omitted. FIG. 6 shows another embodiment, in which
2, a long hole 122 is formed along the longitudinal direction of the outer support 12 and the lower end of the inner support 11 and the movable bracket 3 desired through the long hole 122 are screwed into the screw 112 with the long hole 122 interposed therebetween.
To form a support column 1.

Hereinafter, a method of opening and closing the frame A1 will be described. First, when the support 1 is moved inward of the frame A1 from the open state, the movable bracket 3
Is connected to the lower end of the inner support 11 through a long hole 122 provided along the inner support 11, so that the inner support 11 is housed in the outer support 12 as the moving bracket 3 moves downward, and is in a housed state. Next, the support 1 is moved from the closed state to the frame A1.
When the moving bracket 3 is moved outward, the moving bracket 3 moves upward, and accordingly, the inner strut 11 is moved.
As it moves upward, it protrudes from the inside of the outer support column 12 and becomes used.

Next, another embodiment of the present invention will be described, but the description of the same parts as those of the above embodiment will be omitted. FIG. 7 shows another embodiment, in which the inner support 11 is artificially moved in and out of the outer support 12 when the frame A2 is stored or used.

Hereinafter, a method for opening and closing the frame A2 will be described. First, when the frame A2 is closed to be in the housed state, the inner column 11 is housed in the outer column 12, and then the column 1 is moved inward of the frame A2 to be in the housed state. Next, when the frame A2 is opened and put into the use state, the operation reverse to the above-mentioned operation to put it into the storage state is performed to bring the use state.

[0021]

According to the present invention, the following effects can be obtained by the above configuration. At the time of storage, since the inner support is stored in the outer support, the support is shortened, so that the frame can be made compact.
In use, since the inner struts protrude from the outer struts, the struts become longer, the height of the frame body can be increased, and a large-capacity mesh basket can be used. Therefore, it is possible to provide a frame for a ball cage which is excellent in the storing property and the ball storing property. In the second aspect, the movable bracket and the inner support are connected inside the outer support, so that the number of components constituting the frame can be reduced. Therefore, a lighter ball cage frame can be provided. or,
According to the third aspect, since the inner support is artificially moved in and out of the outer support, the configuration of the frame can be simplified and the number of parts can be reduced. Therefore, a lighter and cheaper ball cage frame can be provided. Further, in the case of the fourth aspect, since the frame is opened semi-automatically when it is put into the use state, the operation of putting it into the use state with little force can be easily performed.
Therefore, a ball cage frame excellent in operability can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a use state showing an example of an embodiment of the present invention.

FIG. 2A is an enlarged front view of a main part, partially cut away. (B) is sectional drawing which follows the (b)-(b) line in (a).

FIG. 3 is a sectional view taken along lines (3)-(3) in FIG. 1;

FIG. 4 is a sectional view taken along the line (4)-(4) in FIG. 1;

FIG. 5 is a front view showing the open / closed state of the frame.

FIG. 6A is an enlarged front view of a main part showing another example of the embodiment of the present invention, and is partially cut away. (B) is sectional drawing which follows the (b)-(b) line in (a).

FIG. 7 is an enlarged front view of a main part showing another example of the embodiment of the present invention, partially cut away.

FIG. 8 is a front view showing a conventional frame.

[Explanation of symbols]

A: Frame 1: Support 11: Inner support 12: Outer support 2: Fixed bracket 3: Moving bracket
4 ... X-shaped rod 4 5 ... Connection rod 7 ... Cage for ball storage

Claims (4)

(57) [Claims] 1. A ball cage frame body for holding a flexible ball storage basket body in a foldable manner by means of a frame body having four pillars, said pillars comprising an inner pillar and said inner pillar in an axial direction. It consists of a built-in outer strut that can freely move in and out,
The struts are arranged at the four corners of the frame, a fixed bracket is fixed to the inner strut side of each outer strut, and a movable bracket is slidably provided on the opposite side of the inner strut side of the outer strut, and A ball cage formed by pivotally connecting each end of an X-shaped rod pivotally supporting an intersection to each fixed bracket and moving bracket between adjacent columns, and connecting the upper portion of the inner column and the moving bracket with a connecting rod. Frame. 2. A ball cage frame body for holding a flexible ball storage basket body in a freely foldable manner by a frame body having four pillars, said pillars comprising an inner pillar and said inner pillar in an axial direction. It consists of a built-in outer strut that can freely move in and out,
The struts are arranged at the four corners of the frame, a fixed bracket is fixed to the inner strut side of each outer strut, and a movable bracket is slidably provided on the opposite side of the inner strut side of the outer strut, and Each end of the X-shaped rod pivotally supporting the intersection is fixed to each of the fixed brackets and the moving brackets of the adjacent columns, and a long hole is provided along the outer column, and the lower end of the inner column desired to move from the long hole. A ball cage frame connected to a bracket. 3. A ball cage frame for holding a flexible ball storage basket in a freely foldable manner by means of a frame having four columns, said columns comprising an inner column and said inner column in an axial direction. It consists of a built-in outer strut that can freely move in and out,
The struts are arranged at the four corners of the frame, a fixed bracket is fixed to the inner strut side of each outer strut, and a movable bracket is slidably provided on the opposite side of the inner strut side of the outer strut, and A ball cage frame formed by pivotally connecting each end of an X-shaped rod pivotally supporting an intersection to each fixed bracket and movable bracket of adjacent columns. 4. The ball cage according to claim 1, further comprising an urging means for continuously applying an urging force in a direction of approaching the two brackets over the fixed bracket and the moving bracket. Frame.