JP3147542B2 - Portable cable reel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable cable reel for accommodating a cable for connecting communication devices.

In general, a communication device is housed in a waterproof case and installed in a fixed state when used indoors such as in a station building or outdoors, but it is a portable type which is installed and used at an arbitrary location. For wireless communication devices and wireless communication devices that are installed and used urgently in the event of a disaster, the transmission and reception device is temporarily installed outdoors or in an arbitrary building with appropriate waterproofing, and the terminal device is mounted on the vehicle. It is an in-car device that has been used, or is transported and installed inside an appropriate indoor space.

The transmission / reception device and the terminal device are connected by a power line cable, a control line cable, a signal transmission line cable, or the like. These cables are housed in a state where the required length is wound on a portable cable reel, and the cables are pulled out from the cable reel at the installation location, and the connectors provided at both ends of the cable are connected to each device. A connection is made.

[0004]

2. Description of the Related Art A transmission / reception device and a terminal device of a radio communication device used for mobile use or at the time of disaster generally have a length of 100 m.
It is installed at the following intervals. The portable cable reel around which the cable of the required length is wound and accommodated is transported, and the cable is pulled out and both ends are connected to each installed device.

An example of such a portable cable reel is shown in a perspective view in FIG. 3. The portable cable reel comprises a reel 8 and a frame 49 for rotatably supporting the reel 8. Have been.

The reel 8 is formed by forming a thin steel plate. A disk-shaped flange 81 is attached to both ends of a cylindrical hollow cylinder which cannot be seen in the drawing. Mounted through. Flange 8
A number of holes 85 for reducing the weight are provided in the peripheral surface of the device 1 in the radial direction.

The frame 49 is formed by forming a steel plate into a frame-shaped trapezoid, attaching thin steel plates on both sides, and providing a bearing portion 48 at the center. The bearings 48 on both sides support both ends of the shaft of the reel 8, and the center of a crank-shaped handle 29 is fitted and connected to one protruding shaft end.

[0008] One end of the cable 9 is pulled out from the inside of the reel 8 through a through hole 83 provided in the vicinity of the body of the flange 81, and a semi-circular metal fitting provided on the outer surface of the flange 81. The cable tip is attached and fixed to the connector 92 together with the connector.

Thereafter, the handle 29 is turned to rotate the cable 9.
Is wound around the round body portion of the reel 8 at the other long side of the reel 8 and its tip is tied and fixed to the edge of the hole 85 on the flange 81 surface together with the connector.

[0010] The portable cable reel is conveyed to the vicinity of any device at the place where the communication device is installed, the cord at the end of the cable is unwound, and the cable 9 is pulled out and extended to the position of the other device. Connect the connector to the connector on the device.

On the other hand, between the connector at the end of the cable fixed to the fixing bracket 92 outside the flange 81 inside the reel 8 and the connector on the apparatus side, a separately prepared cable with a length of about 3 m is provided. To connect.

[0012]

According to the conventional portable cable reel described above, when the cable 9 is a coaxial cable for a signal line, at least two cables 9 for transmission and reception are required. For this reason, two portable cable reels are required, each of which must be transported or operated, which is cumbersome to handle, and requires a large space for moving, installing, and storing.

Furthermore, when the installation interval of the apparatus becomes long,
One cable 9 is not enough, and if a portable cable reel for extension is arranged at an intermediate position for extended connection, four portable cable reels are required, which is further troublesome. In addition, two cables with connectors for connecting the cable reel to the device are also required, and in addition to storage when not in use, it is troublesome to manage not to damage or lose it,
The connection adapter required for extended connection has the same trouble.

Since a large bending force acts on the joint between the arm and the shaft end of the handle 29, it is necessary to impart sufficient bending strength to the joint to prevent deformation, and it is difficult to reduce the weight. It is.

In view of the various problems as described above, the present invention can reduce the size and weight and can handle the cable easily, and does not require a cable with a connector which needs to be separately prepared. It is an object of the present invention to provide a transportable cable reel.

[0016]

According to a first aspect of the present invention, there is provided a cable reel which has a cable having connectors at both ends thereof which is long and short, and which is fixed in the middle thereof and which accommodates each of them. A reel comprising a fixing means for fixing the middle of the cable, a housing for winding the cables on both sides thereof, a fixing means for fixing the end of the cable with a connector, and a rotating handle, and the reel being rotatable. A supporting frame,
It consists, storage portion for storing the shorter of the cable is placed in a position to form a circular shape on the outer side surface of the flange portion of the reel
Such a plurality of clips provided Te Ri, order in this clip
Insert the next cable and wind it in a circular shape
That is supported housing is a portable cable reel.

According to a second aspect of the present invention, in addition to the first aspect, the two reels are back-to-back with the accommodation portion for accommodating the shorter cable of the reel being outside the frame. This is a portable cable reel that is pivotally supported on the cable reel.

According to a third aspect of the present invention, in addition to the second aspect, a connection switching means for rotating two sets of reels in a connected state or rotatable in an independent state may be provided. It is a transportable cable reel.

According to a fourth aspect of the present invention, the connection switching means in the third aspect is a pin insertion which can insert a pin of a coupling tool into an end of a shaft rotatably supported by a frame. A connector provided with a flange-like portion having a hole or notch on a predetermined radius and a plurality of pins provided in parallel with a predetermined radius, and a connector provided on a side surface of a reel facing the flange-like portion. A portable cable comprising an insertion hole into which a plurality of pins can be inserted, and a connection state by inserting a pin of a connection tool into an insertion hole of a reel via a flange-shaped portion, and a release state in a non-insertion state. It is a reel.

[0020]

According to the above-mentioned first constitutional means, the middle part where one cable is divided into long and short is fixed to the reel by the fixing means, and the shorter cable is fixed to the flange of the reel .
The cable receiving portion of the clip comprising a plurality of clips arranged are positioned to form a circle shape on the outer side surface parts
Insert the cable sequentially, wind it in a circular shape and support it
Can be wound without rotating the reel, and the longer end of the cable is wound or pulled out by rotating the reel with the end of the cable supported and fixed by the fixing means. be able to.

With the long side cable pulled out to an arbitrary length, the short side cable can be pulled out from the cable accommodating portion made of a clip, and the respective devices can be connected to each other.

According to the second constitution means, a portable cable reel having two sets of reels of the first constitution means provided on one set of frames back to back is necessary for, for example, a transmission device and a reception device. Since the two cables can be individually wound or pulled out and connected, the convenience in handling becomes extremely suitable.

According to the third configuration, the two sets of reels of the second configuration can be simultaneously rotated in the connected state by the connection switching means, and can be individually rotated in the released state. Therefore, it can be switched and used easily and easily according to the purpose of use and conditions at the installation location.

According to the fourth aspect, the pin of the connector is inserted or not inserted into the pin insertion hole on the side of the reel via the flange of the shaft, so that the pin can be made independent of the connected state. Therefore, the operability is simple and good.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention based on the gist of the present invention will be described in detail with reference to the principle diagram showing the overall configuration of FIG. 1 and the embodiment of FIG. explain. To facilitate understanding, the same parts are denoted by the same reference numerals throughout the drawings.

FIG. 1 (a) is a front view of a portable cable reel having no connecting function, one of which is shown in cross section, and FIG. 1 (b) is a portable cable having a connecting function. A front view of the reel also shows one of its cross sections.

FIG. 2A is an overall perspective view, FIG. 2B is an enlarged sectional view of a portion indicated by an arrow B in FIG. 2A, and FIG. 2C is an arrow in FIG. C is an enlarged perspective view of a portion indicated by C.

The present embodiment is used for a radio communication device for disaster countermeasures using a radio frequency band of 25 GHz, for example, in which an intermediate between a radio transmitting / receiving device installed outdoors and a terminal device installed indoors. It is a portable cable reel that accommodates a coaxial cable connected by a frequency band signal. The outer diameter of this coaxial cable is about 10 mmφ,
The length is 55m.

In the figure, one cable 9 has connectors 91 attached to both ends thereof, respectively.
The cable 9 is wound around the reel 1, and an intermediate portion for setting the length of the cable 9 to be short or long is fixed to the reel 1.
7 is attached and fixed. The reel 1 is provided with a housing section 11 for the short side cable and a housing section 12 for the long side cable adjacent to each other, and the long and short cable portions are housed in the respective housing sections.

The reel 1 has a frame 4 penetrating the center thereof.
The reel 5 is rotatably supported in a horizontal posture, and is rotatable around the shaft 5 by a handle 2 protruding from the housing portion 11 side of the short-side cable of the reel 1. A stopper 3 is provided below the frame 4 so as to engage with the side surface of the reel 1 and fix the position so as not to rotate.

The frame 4 is formed by bending and welding a pipe made of an aluminum alloy. A trapezoidal upright portion is erected at the center of a base portion having a length of 35 cm and a width of 45 cm. A shaft 5 made of a 30 mmφ steel pipe is attached at the center of the attachment, and a portable handle is provided at the upper end of the upright portion.

The reel 1 is constructed by welding flange portions 14 to both end surfaces of a cylindrical round body, and the diameter of the round body is 20.
cmφ, length 15cm, diameter of flange 14 is 35
cm and made of aluminum alloy.

As shown in FIG. 2, a large number of holes 15 are formed radially in the flange portion 14, and are located at a position of 10.5 cm from the center, that is, a position close to the peripheral position of the round body. An oval cable hole 16 having a diameter of 15 mm and a length of 30 mm is provided, and a cable fixing bracket 17 curved in a U-shape is screwed to the outer surface of the flange portion 14 at the end thereof.

Six clips 18 are equally spaced at a distance of 15 cm from the center of the flange 14.
Of attached and positioned to form a circular outside surface, housing portion 11 is constituted by the clip 18. The clip 18 is made of a synthetic resin having a U-shape and an elastically-fitted front end and having elasticity.

The handle 2 is provided on the outer surface of the flange portion 14.
Also, two tip fixing tools 19 for holding and fixing the tip of the cable 9 and the connector 91 are attached.

The short cable receiving portion 11 is wound by being inserted into and held by the clip 18, but can be accommodated by about 6 turns and 5 m. The cable receiving portion on the long side is wound around the round body portion between the opposing flange portions 14, and can accommodate 50 m with about 65 turns.

The connection switching means of the portable cable reel having the connection switching function in the above configuration will be described. In the combination of the reel 1 and the frame 4 having the above configuration, two sets of the reels 1 are used as shown in FIG. 2), the shaft 5 is penetrated through the frame 4, and the reel 1 is mounted on both sides of the frame 4 by pivotally supporting the reel 1 so that the handle 2 faces outward.

Although the shaft 5 is rotatably supported by the frame 4, it is not shown in the drawing because it is a principle view, but it is natural that the shaft 5 does not tilt or move. That is. As also shown in FIG.
At both ends of the shaft 5, flange-shaped portions 51 each having a diameter of 10 cmφ are fixed by screws to prevent the reel 1 from coming off.

An insertion hole 52 having a diameter of 8 mm is provided in the flange-shaped portion 51 at a target position at a position 4 cm from the center with a center separated from the center. The flange portion 14 of the reel 1 has the same diameter and the same position. An insertion hole 13 is provided in such a manner.

The insertion holes 52 and 13 are inserted into the holes shown in FIG.
The shaft 5 and the reel 1 are connected and connected by inserting the pin 61 of the connecting tool 6 shown in FIG. 2B. The connecting tool 6 is made of a steel bar having a diameter of 7.5 mm and a center interval of 8c.
m is bent and formed in a U-shape so that the length of a straight portion parallel to both sides becomes a pin 61 of 4 cm.

Therefore, the insertion holes 52 at both ends of the shaft 5,
By inserting the connecting tool 6 into the 13, the two sets of reels 1 can be connected and rotated in the same manner,
By pulling out one or both of the couplings 6, the coupling state between the shaft 5 and the reel 1 is released, and the two sets of reels 1 can rotate independently. The configuration and operation of the connection switching means are as described above.

As shown in FIG. 2C, the stopper 3 provided below the frame 4 for positioning and stopping the rotation of the reel 1 can be rotated by one end of an L-shaped fitting 31 and a hinge mechanism. The metal fitting 31 is attached to the base of the frame 4.

By rotating the tip of the stopper 32 in the direction of the flange 14, the hole 15 of the flange 14 is removed.
The tip of the reel 1 is fitted into the inside, and the state is maintained by its own weight to prevent the reel 1 from rotating. Stopper 32 through hole 15
By rotating the reel 1 to the surface of the fitting 31, the reel 1 is rotatably released. Similarly, the stopper 32 is maintained in the release position by its own weight.

Next, attaching and winding the cable 9 to the reel 1 will be described. One end of the cable 9 is connected to the oval cable hole 16 of the flange 14.
The cable is pulled out from the housing portion 12 for the long side cable toward the outer surface side which is the housing portion 11 for the short side cable through the connector 91 at the distal end, and the intermediate portion of the cable 9 at a position 5 m from the distal end is flanged with the fixing bracket 17. Fix to 14.

Then, the reel 1 is inserted into the nearby clip 18 without rotating, and the reel 1 is sequentially inserted into the clip 18 on the circumference to be wound around the reel 1. Finally, the connector 91 at the front end is fixed and held by the front end fixing member 19 at a position close to the center of the reel 1, and the cable 9 on the short side of 5 m is housed in the cable housing portion 11.

Thereafter, the cable hole 16 in the flange portion 14 is formed.
The reel 9 is wound by rotating the reel 1 in a direction matching with the extending direction of the long cable 9 positioned so as to be in contact with the round body of the accommodation section 12 for the long cable. The short side cable and the long side cable are wound in the same direction without difficulty.

The connector 9 at the tip of the long cable 9
1 is that the long side cable 9 is fixed to and held by a tip fixing device 19 provided near the outer periphery of the side surface from the outer peripheral surface of the flange portion 14 to the housing portion 11 side of the short side cable after winding, and The cable is accommodated in the cable accommodating portion 12.

When the long cable 9 is wound up a large number of times, the position of the connector 91 at the distal end may not be in a position compatible with the position of the distal end fixing device 19 in some cases. In order to cope with such a situation, the tip fixing device 19 has two projections on the rear surface side, and these projections are press-fitted into two holes of the flange portion 14 so that they can be attached. Therefore, it can be removed by inserting the tip of a flathead screwdriver or the like between the flange portion 14 and separating it.

The flange 14 is provided with a hole on the circumference thereof into which a projection of the tip fixing device 19 can be inserted so that the projection 19 of the tip fixing device 19 can be selectively positioned and attached.
Since six positions are provided at m intervals, it can be dealt with by press-fitting and attaching the distal end fixing member 19 removed at an appropriate position according to the position of the connector 91 at the distal end of the cable 9.

In the case of a portable cable reel in which the connection switching function is not required, the shaft 5 of the frame 4 is not made rotatable with respect to the above-described cable reel, and the insertion holes 13 and 52 and the coupling tool 6 are provided. No, it is configured as shown in FIG.

According to the portable cable reel of the present invention,
The weight is 18 kg, which is reduced by about 1/3 and the installation space can be reduced by about 1/3 as compared with the case where two pieces for the conventional 50 m are used.

The above embodiment is merely an example, and it goes without saying that the configuration, shape, material, dimensions, etc. of each part are not limited to those described above.

[0053]

As described above, according to the present invention, according to the present invention, a portable cable reel which can be reduced in size and weight and has excellent handleability can be obtained. This eliminates the need for cables and the like, and has a remarkable effect that it can contribute to the establishment of communication lines that need to be installed urgently.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating the principle of the present invention.

FIG. 2 is an embodiment of the present invention.

FIG. 3 is an example of a conventional portable cable reel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Reel 2 Handle 3 Stopper 4 Frame 5 Shaft 6 Connecting tool 8 Reel 9 Cable 11, 12 Housing 13 Insertion hole 14 Flange 15 Pull-out hole 16 Cable hole 17 Fixing bracket 18 Clip 19 Tip fixing fixture 29 Handle 31 Metal fitting 32 Stop metal 48 Bearing part 49 Frame 51 Flange part 52 Insertion hole 61 Pin 81 Flange 83 Through hole 85 Drilling hole 91 Connector 92 Fixing bracket

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65H 75/40 B65H 75/18

Claims (4)

(57) [Claims] Claims: 1. A portable cable reel for fixing a cable having connectors at both ends thereof at both ends thereof in a lengthwise manner and accommodating each of the cables, and a fixing means for fixing the middle of the cable and a housing for winding the respective cables on both sides thereof. a reel equipped with a with fixing means for fixing the connector with the ends of the cable and the rotary handle, a frame for rotatably supporting the reel, consists, hula accommodating portion reel for accommodating the shorter of the cable
Ri such a plurality of clips arranged are positioned to form a circle shape on the outer side surface of the Nji unit sequentially cable to the clip
And insert it into a circular shape to support and accommodate
Portable cable reel that characterized the Rukoto to. 2. The portable cable reel according to claim 1, wherein two sets of the reels are back-to-back with the housing portion for housing the shorter cable of the reels outside, and each is rotatably supported by a frame. . 3. The portable cable reel according to claim 2, further comprising connection switching means for rotating said two sets of reels in a connected state or an independent state. 4. The connection switching means includes a flange-like portion provided with a pin insertion hole or notch at a predetermined radius at a shaft end rotatably supported by a frame, into which a pin of a coupling tool can be inserted. A connector provided with a plurality of pins arranged in parallel on a predetermined radius, and an insertion hole for inserting a plurality of pins of the connector provided on a side surface of the reel facing the flange-shaped portion; 4. The portable cable reel according to claim 3, wherein a pin of the connecting tool is inserted into an insertion hole of the reel through a flange-shaped portion to be connected and not inserted to be in an independent state.