JP4052877B2 - Cable fixture - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an optical fiber cable, a metal cable, or a power cord (hereinafter referred to as a cable) for a communication line that is wired indoors and outdoors such as an office, a factory, a general residential house, and other buildings. The present invention relates to a cable fixing tool for fixing to other furniture surfaces and capable of safely performing cable arrangement processing after connection with a terminal device for optical communication.
[0002]
[Prior art]
In general, in a building, optical communication terminal equipment used indoors is connected to a cable introduced to the wall surface by indoor wiring, and uses information communication such as the Internet, telephone lines, cable TV, and other communication lines. However, when installing the optical communication terminal device, it must be considered that the wiring cable sufficiently satisfies the characteristics of optical communication, particularly the signal transmission characteristics of the optical fiber cable.
[0003]
[Problems to be solved by the invention]
However, conventional arrangements of optical communication terminal equipment indoors such as offices and residences vary, and even if one connection from an optical outlet is taken, inconvenience arises in cable wiring, and optical communication characteristics can be satisfied. In many cases, the optical communication loss is not suitable for the terminal processing, and the cable wiring work is complicated, and the wiring work is performed each time the mobile device is moved or expanded, such as relocation and maintenance of the terminal equipment. Not only is it necessary and troublesome, it also cannot be used safely so that there is no loss of optical signals, and the appearance of the cable is also poor.
In the present invention, these conventional drawbacks are eliminated, the cable wiring connection work is facilitated, the characteristics of optical communication can be sufficiently satisfied even in the case of an optical cable, and the number of man-hours for wiring work can be reduced and the cable can be fixed. The purpose of the present invention is to provide a reliable cable fixture at a low cost, which can significantly simplify the handling of connection wiring to optical communication terminal equipment, and also helps to optimize wiring work.
[0004]
[Means for Solving the Problems]
The present invention is provided in a U-shaped case body cable inlet and outlet portion having an opening portion for deriving introduces cable to have a tapered face surface to the inner surface, a plurality of locking claws on the opposing surface A guide recess that protrudes and has a groove on the outer surface is formed in the case body, and a locking member having a U-shaped cross section that elastically holds the cable entering the cable introduction / extraction portion by a locking claw is a connecting piece. A cable gripping tool that is integrally formed at both ends of the case and is configured to fit and hold both locking members so as to be freely disengaged is held between the locking claws of the case body , and a cover body is mounted in the guide recess of the case body. detachably to and embracing the cable gripper into the case body mounting, and which was equipped with a wall fixing means of the magnet or wall mounting piece to the cover member or the case body, easy to engage and hold the cable gripper Prevents cable disconnection It can be reliably stopped, there is no loss of optical signal, wiring connection work can be done easily and reliably,
[0005]
Further, in the present invention, since the cable gripper can be fitted and supported on the cable introduction part, the cable fixing can be ensured by a simple operation with few man-hours for wiring work, and the cable connection can be made with high safety and reliability. .
[0006]
Further, according to the present invention, in the cable fixing tool, the locking member of the cable gripping tool includes a locking claw that engages with a locking claw formed in the cable lead-in / out portion, and the cover body includes The installed wall fixing means consists of a magnet that adsorbs to the iron surface, or a wall mounting piece or an adhesive for fixing the wall surface, so that it is possible to remarkably simplify the handling of connection wiring to optical communication terminal equipment, and to make the wiring work properly uniform. Can contribute.
[0007]
In the case body for supporting the cable, the cable gripping tool is held by a rough surface provided with a cable introduction portion having a tapered opposing surface, and a plurality of locking claws projecting from each opposing surface. The optical cable can be easily attached and detached at the time of connecting or disconnecting the optical cable with sufficient gripping and satisfactory signal transmission characteristics, and the optical cable can be fixedly arranged in a mechanically stable state.
[0008]
Furthermore, in the present invention, the case body includes a mounting piece that can be screwed with a screw as a wall surface mounting member, a magnet that adsorbs to a steel surface, or an adhesive member for wall surface fixing, such as a double-sided adhesive tape. A lid having a U-shaped cross section formed of a metal material covering the surface opening of the case body for supporting the cable, and is detachably mounted in a guide recess for insertion provided in the case body. With the configuration where the engaging parts that can be engaged with and disengaged from the locking holes or the locking claws are arranged oppositely, the wiring can be fixed easily and in a stable state, the indoor appearance is good, and the installation wiring work is also easy Terminal devices can be easily and detachably connected.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
To describe an embodiment of a cable fastener according to the present invention using the example of FIGS. 1 to 4, opposite the cable inlet and outlet part 1 with the opening 1 ₁ for deriving introduces cable a is tapered inward surface provided a U-shaped case body 2 to have a surface, a plurality projecting claws 2 ₂ to the facing surface, a guide recess 2 ₁ provided with grooves 2 ₃ on the outer surface of the case main body 2 and forming, a U-shaped cross section of the locking member 3 ₁ for clamping is integrally formed on both ends of the coupling piece 3 ₂ cables a falling cable inlet and outlet part 1 by elastically engaging claw 3 _3, Ryokakaritome clamping the cable gripper 3 made of a structure which holds the fitting member 3 ₁ detachably to the locking claw 2 ₂ of the case body 2, a cover 4 further into the guide recess 2 ₁ of the case main body 2 Attaching the cable gripping tool 3 to the case main body 2 in a detachable manner. In addition, the cover body 4 includes a magnet 5 as a wall surface fixing means.
[0010]
In this example, the said case body 2 of the cable support, cable inlet and outlet part 1 is formed as shown in FIGS. 2 and 3, the tapered inside surface of the case main body 2 to form an opening 1 ₁ to have a facing surface, a plurality projecting claws 2 ₂ to the facing surfaces, the cable gripper 3 and easy to engage and hold dropout prevention are also available reliably.
Further, moldability case main body 2 is provided to protrude a plurality of engaging pawls on the inner surface of the case body 2 for providing the grooves 2 ₃ steals meat on the outer surface appropriately because it is substantially U-shaped cross-section of the case a form that can be produced at low cost in good form.
Further, the case main body 2 or the cover body 4 is provided with an adhesive member such as a magnet 5 adsorbing on a steel surface such as a steel desk or a panel as a fixing means for wall mounting, or a double-sided adhesive tape for wall fixing, Although it is easy to attach to a desk or the like, a wall surface attaching piece 7 that can be screwed with a screw can also be provided.
In this case, the magnet 5 is preferably provided on the side surface side of the cover body 4 or the back surface side of the case body 2 via the mounting frame 6, and an adhesive tape or an adhesive material layer is provided on the cover body 4 or the case body 2 as an adhesive member. It is preferable to directly adhere to the right place.
[0011]
The cover member 4, the a metallic material or a substantially U-shaped cross section of the lid body formed of a hard plastic material covering a surface opening of the case main body 2 is inserted from the fitting interpolating the guide recess 2 _1, The case body 2 is held so that the cable gripping tool 3 does not loosen, and the cable support is strengthened. The cover body 4 is pressed and clamped to the case body 2, but can be engaged and disengaged with a locking uneven portion provided on the case body 2 and the cover body 4 so as to face the cover body 4 if necessary. It is also good to make it easy to remove and remove.
Also, lever to insert fitted in the guide recess 2 ₁ provided with the cover member 4 to the case body 2, to prevent the spread of both side walls of the case body 2 by a rigid, ensures the maintenance of catching fixing state with cable gripper 3 It is useful to become. Further, as the wall surface fixing means provided at appropriate positions including the side surface of the cover body 4, a mounting piece 7 having a screw hole that can be screwed with a magnet 5 or a screw or an adhesive layer is used. The case main body 2 is preferably fixed to the wall surface with the wall surface fixing means to be used together or with the wall surface fixing means selected on either side.
[0012]
In the case body 2 of the cable supporting having the above configuration, the cable a entering from the opening 1 ₁ of the cable entry portion 1, cable entry in a state of being sandwiched by the engaging member 3 _1, 3 ₁ of the cable gripper 3 If it is inserted into the part 1 and covers the cover body 4, it is securely held together with the cable gripping tool 3.
The case body 4 supporting the cable a can be attached to a desk or floor by a simple operation of attaching the case body 4 to the wall surface of the building with a fixing means, for example, a magnet 5. In order to protect the cable gripping tool 3 from being exposed by covering and bonding it, it can be used as a state of good appearance, and the cable can be easily detached and attached at the time of maintenance or cable separation. Can be planned.
[0013]
As the cable gripper 3, as shown in FIG. 4, a U-shaped locking member 3 ₁ formed a cable a to be inserted into the case body 2 by plastic elastically _sandwiched 3 ₁ a connecting piece 3 is integrally molded into _both ends, and an uneven surface with projecting claws 3 ₃ on the opposite surface, and detachably be fitted and held configure Ryokakaritome member 3 _1, 3 _1, the case body is fitted between the two opposing surfaces of the cable entry section 1 is adapted to be firmly held in the locking claw 2 _2.
[0014]
In this case, to form a interpolating guide recess 3 ₄ fitted on one of the locking member 3 _1, and fitted into facing the other of the locking member 3 _1, good to the to sandwich the cable a, also on the other hand, or the locking claw ₃₅ to engage the roughened surface consisting of locking claws 2 ₂ cable entry portion 1 slip to protrude on both outer surfaces of the locking member 3 in _1, to assist in removal prevention It is good.
[0015]
When using the cable fixing tool described above, as shown in FIG. 5, the cable a is inserted into the case body 2 from one side of the cable introduction part 1 for the wiring of the terminal device A placed on the steel desk B. out of the other side, the cable gripper 3 which is fitted to the cable interposed cable entry portion 1 _1, and if brought into a cover enclosing body 4 core wire obtained prevents that rub against the case main body 2, such as tensile impact the If the case body 2 is fixed to the side of the desk B with an adhesive member such as a magnet 5 in the cover body 4 or the like, safe wiring can be performed.
[0016]
In the embodiment shown in FIGS. 6 to 8, the case main body 2 is provided with a fixing means in which a tongue-like wall mounting piece 7 is integrally formed, and the screw is inserted through an engaging groove 8 or a screw hole for screw insertion. The screw 9 can be detachably fixed to the indoor wall surface.
In this case, the wall surface mounting piece 7 protrudes from one side surface of the case body 2, but is provided on a surface along the wall surface by appropriately selecting a back surface, an upper surface, or the like facing the wall surface. It should be noted that any one of the fixing means or the combination type can be selected from the relationship of the wall surface fixing means provided on the cover body 4, and the wall surface fixing means corresponding to the indoor environment is preferably fixed.
[0017]
【The invention's effect】
According to the first aspect of the present invention, the cable wiring work can be facilitated, the number of man-hours in the wiring work can be reduced, the cable can be fixed quickly, and the handling of the connection wiring to the optical communication terminal equipment can be greatly simplified. This contributes to the optimization of the wiring work, and the wiring can be appropriately performed.
Further, according to the present invention, the cable gripper has a U-shaped locking member formed of plastic that elastically clamps the cable inserted through the cable supporting case main body at both ends of the connecting piece. It is formed and is configured so that both locking members are detachably fitted and held, and can be fitted to and supported by the cable introduction part, so that the tensile impact on the core wire when the cable passes through the cable introduction part of the case body, etc. Can be surely prevented, safe wiring without interference of each wiring can be performed, wiring management and assembly / separation work can be easily performed, and reliability can be improved.
Furthermore, according to the present invention, a cable introducing / extracting portion having an opening for introducing and leading out a cable is provided in the case body having a U-shaped cross section having a tapered opposing surface on the inner surface, and the cable is connected to the opposing surface. A plurality of pawls projectingly, a guide recess having a concave groove on the outer surface is formed in the case body, and a cover body is detachably attached to the guide recess to hold the cable gripping tool in the case body. Therefore, even if a plurality of locking claws are projected on the inner surface of the case body, it can be manufactured at a low cost with a good formability , the cable can be stored in the case body, and there is room for storage handling. In addition, since the core wire is held in a buffering manner, the core wire does not sag, and the cable can be securely fixed in the interior wiring, eliminating light loss without causing excessive bending or small arcs in the cable. Keeping transmission characteristics good Kill addition, optical communication can significantly improve the working efficiency can be connected to the terminal removably by a simple operation when utilizing, also it can be carried out satisfactorily and safely appearance mounting wiring work, yet the case body spread prevented by the rigidity of the cover body, and contributes to the catching of the cable gripper manner確化and cable fixing maintained.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a cable fixture in use according to an embodiment of the present invention.
2 shows a case main body and a cover body in the example of FIG. 1, (a) is a front view of the case main body showing the inside after removing the cover body, (b) is a perspective view with the cover body in a separated state, (C) is a side view thereof, and (d) is a plan view thereof.
3 is a perspective view of the example of FIG. 2, wherein (a) is a perspective view of the assembled state, (b) is a perspective view of the separated state, and (c) is a longitudinal sectional view taken along line AA. is there.
4 shows the cable gripping tool of the example of FIG. 1, wherein (a) is a plan view thereof, (b) is a longitudinal sectional view thereof, and (c) is a front view thereof.
FIG. 5 is a perspective view of the cable fixing device of FIG. 1 in a used state.
FIG. 6 is a longitudinal sectional view of a cable fixture in one use state according to another embodiment of the present invention.
7 shows a case main body and a cover body of the example of FIG. 6, (a) is a front view of the case main body showing the inside after removing the cover body, (b) is a perspective view with the cover body in a separated state, (C) is a side view thereof, and (d) is a plan view thereof.
8 shows a perspective view of the example of FIG. 7, where (a) is a perspective view of the assembled state, (b) is a perspective view of the separated state, and (c) is a longitudinal sectional view taken along line BB. is there.
[Explanation of symbols]
a cable 1 cable introduction / exit 1 ₁ opening 1 ₂ locking claw 2 case body 2 ₁ guide recess 2 ₂ locking claw
2 ₃ groove
DESCRIPTION OF SYMBOLS 3 Cable gripping tool 3 ₁ Locking member 3 ₂ Connection piece 3 ₃ Locking claw 3 ₄ Guide recessed part 3 ₅ Locking claw 4 Cover body 5 Magnet 6 Mounting frame 7 Wall surface mounting piece 8 Engaging groove 9 Screw

Claims (1)

Provided a U-shaped case body 2 the cable inlet and outlet part 1 with the opening 1 ₁ for deriving introduces cable a to have a tapered face surface to the inner surface, the locking claw on the facing surface 2 ₂ was more projecting, pinching to form a guide recess 2 ₁ provided with grooves 2 ₃ on the outer surface of the case body 2 by resiliently engaging claw 3 ₃ cable a to enter the cable inlet and outlet part 1 a U-shaped cross section of the locking member 3 ₁ is integrally molded at both ends of the coupling piece 3 _2, the case body of the cable gripper 3 made of a configuration for detachably fitted retain Ryokakaritome member 3 ₁ pinched 2 claws 2 _2, and embracing the cable gripper 3 in the case body 2 is further detachably mounted a cover member 4 to the guide recess 2 ₁ of the case main body 2, and the cover body 4 or the case body 2 to the wall 5 of the magnet 5 or the wall mounting piece 7 A cable fixing device comprising a step.

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