JP2978800B2 - Telescopic frame structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extension unit mounting structure for installing a communication equipment base station apparatus.

[0002]

2. Description of the Related Art FIG. 6 is a perspective view showing the structure of a conventional example. This conventional example is a storage rack such as a printed circuit board described in Japanese Utility Model Laid-Open No. 2-138489. In the structure, a fixed receiving plate 45 fixed in a substantially rectangular parallelepiped frame body 44 and a movable movable receiving plate 46 are provided to face each other, and the movable receiving plate 46 is moved in the direction of the fixed receiving plate 45. Is a storage rack in which the storage width between the movable receiving plate 46 and the fixed receiving plate 45 can be freely adjusted by being fixed. A pair of wrapping transmission mechanisms that are driven via the like are arranged vertically opposite to each other, and the upper and lower wrapping transmission mechanisms are synchronously driven via respective shafts, and are provided with a required locking device. ing.

[0003]

In the above-mentioned conventional example,
Since the size of the frame is fixed regardless of the size of the printed circuit board, there is a problem that the installation space cannot be effectively used.

Further, the fixed position of the movable receiving plate in the frame is determined by the width of the printed circuit board to be mounted, and a printed circuit board having a different width cannot be mounted, so that the system cannot be easily expanded. Have.

Further, the printed circuit board can be mounted only on the substantially rectangular parallelepiped frame in the horizontal direction, and it is difficult to secure a flow path for discharging heat. In addition, when a component that generates heat or a component that is weak to heat is mounted on the printed circuit board, it is difficult to secure a flow path for discharging heat, so that the reliability of the device is reduced.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention relates to a frame structure in a communication equipment base station apparatus, which is capable of being reduced in size, improved in maintainability, and capable of effectively utilizing an installation space when adding a base station apparatus. It is to provide a structure.

[0007]

In order to achieve the above object, a telescopic frame structure according to the present invention is provided in a telescopic frame structure for accommodating an extension device of a communication base station device, wherein the telescopic frame structure comprises a substantially rectangular parallelepiped bottom plate. And a frame provided at four corners of the bottom plate and having a substantially quadrangular column-shaped post having a tooth portion on an inner surface thereof; and a frame capable of being fixed, detachable, and movable at a predetermined position of the column of the frame , Meshing with the teeth of the strut
A basic device having an elongate gear near the tooth portion ,
When the system of the communication base station device is expanded, by adjusting the height of the empty space between the basic device and the frame, it is possible to easily accommodate additional devices of various sizes.

[0008]

Further, it is preferable that the basic device has a disk connected to the child gear by a belt, a mandrel for fixing the disk, and a handle for rotating the mandrel.

Further, it is preferable that the basic device has a large gear provided on the shaft and a stopper for stopping rotation of the large gear.

It is preferable that the basic device has a knob for adjusting the stopper.

Further, when the handle is rotated, the mandrel is rotated, the large gear and the disk are preferably rotated in the same direction, and the child gear is preferably rotated by the belt.

[0013] Furthermore, it is preferable that the child gear meshes with the teeth of the column to move the basic device up and down along the column.

It is also preferable that the rotation of the disk and the child gear is reversed by the belt being twisted once and attached in the shape of an eight.

[0015] Further, the stopper is arranged so that the stopper meshes with the large gear, a spindle pin that enables the stopper to rotate, a fixed base on which the spindle pin is rotatably mounted, and the fixed base is connected. It is preferable to have a mandrel that moves together and a headstock that supports the mandrel.

Further, when lowering the basic device, the handle rotates in one direction due to the weight of the basic device, the stopper does not hinder the rotation of the large gear, and when raising the basic device, the knob is moved in either direction. It is preferable to rotate the handle in the other direction after rotating the handle to separate the stop from the gear.

[0017]

[0018]

[0019]

[0020]

The telescopic frame structure according to the present invention is particularly applicable to a frame composed of a box-shaped basic device in which columns are erected at four corners of a substantially rectangular parallelepiped bottom plate and columns are accommodated thereon. A disk-shaped handle is provided on the lower side of the entire surface of the device, and means for moving the basic device vertically upward in the frame by rotating the handle is provided.

As described above, according to the present invention, when the handle on the front surface of the basic device is rotated, the basic device moves in the vertical direction in the frame. For this reason, the extension device can be easily mounted in an empty space below the basic device.

When the handle on the front surface of the basic device is rotated or reversely rotated, the basic device moves up and down in the frame, and the basic device can be fixed at an arbitrary position. For this reason, it is possible to mount an additional device having a height as required, and the appearance of the device is not spoiled because there is no useless space.

[0024]

Next, an embodiment of the present invention will be described.
This will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view showing the configuration of an embodiment of a telescopic frame structure according to the present invention. The telescopic frame structure includes a frame 10 serving as a mounting base and a movable basic device 1. The frame body 10 has a substantially rectangular parallelepiped bottom plate 11 provided on the bottom surface, and four bottom plates 11.
And four substantially square pillars 12 provided upright at the corners. Each of the four columns 12 has a plurality of concave grooves 13 on its outer surface and a plurality of tapped holes 1 on the other outer surface.
4 and a tooth portion 15 on the inner surface. The plurality of tap holes 14 are provided at certain intervals, and the concave grooves 13 are provided between the tap holes 14. Basic device 1
Is constituted by a substantially rectangular parallelepiped for accommodating the support column 12, and includes a movable portion 2 provided on the bottom portion 9, an operation portion 3 provided on a side surface of the movable portion 2, and another operation portion adjacent to the operation portion 3. It comprises a concave portion 8 provided horizontally on two side surfaces 7. The operation unit 3 includes a central disk-shaped handle 4 and a knob 5.
And two tap holes 6 at both ends.

Arrows A and B indicate the directions in which the accessory of the telescopic frame structure of the present invention is accommodated or attached, and the accessory is shown in FIG.

FIG. 2 is a view showing an accessory used for the telescopic frame structure of the present invention.

FIG. 2A shows the basic device 1 and the frame 1 shown in FIG.
It is a figure which shows the connection metal fitting 32 for connecting 0. The connection fitting 32 has a shorter side of the rectangle bent to form a front surface, and a longer side bent to form an upper surface. Also, two screw holes 35 and 36 are provided on the front surface, and two screws 33 are inserted. The upper surface serves as a rail 34 for sliding between the recesses 8 of the basic device 1. This connection fitting 3
2 is attached from the direction A in FIG. 2 to the direction A in FIG.
At this time, the concave portion 8 provided on both side surfaces of the movable portion 2 and the frame 1
The rail 3 is aligned with the concave groove 13 provided on the rail 3.
After sliding in 4, the connection fitting 32 is screwed and fixed with the screw 33, so that the basic device 1 and the frame 10 are integrated. The upper one of the two screws 33 is inserted into the screw hole 35 and the tap hole 6 of the basic device 1 of FIG. 1 and screwed into the column 12, and the lower one is formed with the screw hole 36 and FIG. Frame 10
And is screwed into the column 12. Thus, the basic device 1 and the frame 10 are fixed.

FIG. 2B is a diagram showing an additional device 37 accommodated between the bottom plate 11 of the frame 10 of FIG. The arrow B indicates the direction in which it is accommodated, and is accommodated in the direction of arrow B in FIG. The additional device 37 has a space for accommodating the package 38.

FIG. 3 is a perspective view showing a movable portion of the basic device of the telescopic frame device of the present invention. A mandrel 20 provided at the center of the handle 4 extends in the depth direction of the basic device 3 inside the movable portion 2. Gear 21 and disks 22a and 22 each having a groove for accommodating a belt around the entire circumference
b, a disk 22c, and a disk 22d. The four disks 22a to 22d are arranged in series. In the vicinity of the four corner columns of the movable part 2, there are provided child gears 25a to 25d each having a gear 23 and a belt accommodation groove 24, which are respectively provided with the above-mentioned disks 22a to 22d and belt 4
0a to 40d. In addition, child gear 2
Gears 5 a to 25 d are engaged with the teeth 15 of the frame 10. Further, a stopper 26 interlocked with the large gear 21
And a knob 5 for adjusting this.

FIG. 4 is a plan view showing the movable part. The belts 40a to 40d are composed of child gears 25a to 25d,
2a to 22d. Referring to FIGS. 3 and 4, how the belts 40a to 40d are stretched will be described. The belt 40d stretched between the child gear 25d and the disk 22d at the back right of the movable portion 2 is not twisted into a figure eight shape. However, the belt 40c stretched between the left inner child gear 25c and the disk 22c is twisted in a figure eight shape. The belt 40b stretched between the right front child gear 25b and the disk 22b is not twisted like the belt 40d.
a and the belt 40a stretched between the disk 22a and the belt 4a.
It is twisted into a figure eight like 0c. Thus, in order to move the basic device in the same direction, it is necessary to reverse the rotation of the left and right gears.

FIG. 5 is a diagram showing details of the stopper portion. The knob 5 provided on the front of the movable part 2 is
8 and a spindle 31 and a mandrel 27, and a stopper 31 arranged to mesh with the large gear 21 in the vertical direction of the fixing stand 28 is coupled by a spindle pin 30. When the knob 5 is rotated to the right by a half turn, the fixed base 28 is linked with the fixed base 28.
Moves in the same manner, and the stopper 31 rotates in the direction of arrow C and separates from the large gear 21. When the stopper 31 reaches the position indicated by the dotted line in the figure, the handle 4 in FIG. 3 is operated to rotate the large gear 21 in the direction of arrow D in the figure. When the large gear 21 rotates, the disks 22a to 22d, the belts 40a to 40d, and the child gears 25a to 25d move, and the movable part 2 is moved by the teeth 15 of the support 12 meshing with the child gears 25a to 25d. I do.

Next, the operation of the embodiment of the present invention will be described in more detail with reference to FIGS.

When the handle 4 of the movable portion 2 shown in FIG. 1 is rotated leftward (in the direction of arrow E in FIG. 1), the mandrel 20 in FIG. 3 moves in the same left direction (in the direction of arrow F in FIG. 3). The gear 21 and the disks 22a to 22d rotate around the mandrel 20 in the same direction. Next, the gear 21, the disk 22a
-22d and the child gears 25a-25d connected by the belts 40a-40d rotate. At this time, since the belts 40a and 40c provided on the left side of the movable portion 2 are twisted once with respect to the child gears 25a and 25c, and are attached in a figure-eight shape, the child gears 25a and 25c are 25
b, 25d rotate in the opposite direction. The rotated gear portions 23 of the child gears 25a to 25d mesh with the teeth provided inside the column 12, respectively, and the basic device 1 having the movable portion 2 is lifted vertically upward.

When the basic device 1 is fixed at a specific position with respect to the frame 10, the handle 4 is turned to the left to hold the basic device 1 on the concave groove 13 of the column 12 and on both sides of the movable portion 2. The rotation of the handle 4 is stopped at a position where the rail 34 of the connection fitting 32 can be inserted from the front, and the rail 34 of the connection fitting 32 is inserted from the front.
A screw 33 is inserted into 5, 36 and screwed. Stoppers 31
When the gear 32 rotates counterclockwise, the stopper 31 itself does not hinder the rotation of the gear 32 by being lifted in the vertical direction about the pivot pin 30 as a fulcrum. Conversely, when the gear 32 is about to rotate to the right, the tooth portion of the gear 32 is caught by the stopper 31 and does not move, thereby preventing the handle from rotating in the reverse direction (clockwise) due to the weight of the basic device 1. Can be. When the gear 32 is rotated clockwise, the knob 56 is turned clockwise, and the stopper 31 is integrally rotated together with the fixing stand 28 to the right and the stopper 31 is separated from the gear 32 to lower the basic device 1. be able to.

[0036]

According to the present invention, it is possible to raise an already installed basic device to a required height and mount it in the empty space without having to secure a space for newly installing an additional device. It is. Therefore, there is an effect that the system can be easily expanded as necessary and the installation space can be effectively utilized.

Further, according to the present invention, the basic device itself can be easily moved up and down, the height of a newly added device (such as a panel) is not limited, and a pre-designed package can be used. Therefore, there is an effect that it is possible to reduce the investment in additional facilities.

Further, since the package is mounted vertically in both the basic device and the additional device, it is easy to secure a heat escape path, and a forced air cooling system can be used. Therefore, the effect that the reliability of the device itself is high is also exhibited.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an embodiment of a telescopic frame structure of the present invention.

FIGS. 2A and 2B are views showing an accessory part of the embodiment of the telescopic frame structure according to the present invention, wherein FIG. 2A is a view showing a connection fitting, and FIG.

FIG. 3 is a perspective view showing a movable portion of the embodiment of the telescopic frame structure of the present invention.

FIG. 4 is a sectional view showing a movable portion of the embodiment of the telescopic frame structure of the present invention.

FIG. 5 is a plan view showing a stopper portion of the embodiment of the telescopic frame structure of the present invention.

FIG. 6 is a perspective view showing the structure of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Basic device 2 Movable part 3 Operation part 4 Handle 5 Knob 6 Tapped hole 7 Side surface 8 Depression 9 Bottom surface 10 Frame 11 Bottom plate 12 Column 13 Depressed groove 14 Tap hole 15 Tooth part 20 Mandrel 21 Large gear 22a-22d Disk 23 Gear 24 Belt accommodation groove 25a to 25d Child gear 26 Stopper 27 Mandrel 28 Fixing stand 29 Supporting stand 30 Supporting pin 31 Stopper 32 Connection fitting 33 Screw 35, 36 Screw hole 37 Extension device 38 Package 44 Frame body 45 Fixed receiving plate 46 Movable receiving plate 47 Printed circuit board

Claims (9)

(57) [Claims] 1. A telescopic frame structure accommodating an extension device of a communication base station device, comprising: a substantially rectangular parallelepiped bottom plate;
A frame provided at a corner and having a substantially quadrangular column-shaped post having a tooth portion on an inner surface; a tooth fixed to, removable and movable at a predetermined position of the post of the frame, and a tooth of the post Mesh with the part
A basic device having a helical gear near the tooth portion, when the system of the communication base station device is expanded, by adjusting the height of an empty space between the basic device and the frame, A telescopic frame structure capable of accommodating additional devices of various sizes. 2. The device according to claim 1, wherein the basic device comprises:
A disk to be connected, a mandrel for fixing the disk,
The telescopic frame structure according to claim 1, further comprising a handle for rotating the mandrel . 3. The apparatus according to claim 1, wherein said basic device is provided with a large
The telescopic frame structure according to claim 2 , comprising a gear and a stopper for stopping rotation of the large gear . 4. The basic device adjusts the stopper.
The telescopic frame structure according to claim 3, further comprising a knob . 5. The mandrel rotates when the handle is rotated.
To rotate the large gear and the disk in the same direction.
The telescopic frame structure according to any one of claims 2 to 4, wherein the child gear is also rotated by the belt . Wherein said element gears meshing with said teeth of said strut
By moving the basic device up and down along the column
Characterized in that that can telescopically frame structure according to any one of claims 1 to 5. 7. The belt is twisted once to form a figure eight.
By being attached, the disk and the child gear
The telescopic frame structure according to any one of claims 2 to 6, wherein the rotation of the telescopic frame can be reversed . 8. The stopper engages with the large gear.
And a stop arranged in such a manner that said stop is rotatable.
A spindle pin and a fixed base for rotatably mounting the spindle pin
A mandrel connecting the fixed base and moving integrally, and the mandrel;
And a support shaft for supporting the shaft.
8. The stretchable frame structure according to any one of claims 7 to 7. 9. When lowering the basic device, the basic device
The handle rotates in one direction due to the weight of the
The stop does not hinder the rotation of the gear and raises the basic device.
When turning the knob, rotate the knob in either direction to
After releasing the notch from the gear, move the handle
The telescopic frame structure according to claim 8 , wherein the telescopic frame structure is rotated in a direction .