JP5373491B2 - Linear object fixing jig - Google Patents

Description

  The present invention relates to a linear object fixing jig for temporarily fixing a linear object to a fixed part such as a wiring board in order to perform various operations on a linear object such as an electric wire.

  Various electronic devices are mounted on an automobile as a moving body. In the automobile, a wire harness is routed to transmit electric power from a power source such as a battery or a control signal from a control device to the electronic device. The wire harness includes a plurality of electric wires, a connector attached to a terminal of the electric wire, and various exterior products such as a protector and a grommet attached to the outer periphery of the electric wire. The plurality of electric wires are bundled by winding an adhesive tape around appropriate places.

  When assembling the above-described wire harness, for example, as described in Patent Document 1, first, an electric wire is placed on a plurality of wiring jigs provided on the surface of a wiring board (wire harness assembly work table). Hook it to the surface of the wiring board. These wiring jigs are provided with a columnar main body provided upright from the surface of the wiring board, and a U-shaped portion that is provided at the tip of the main body, opens upward, and passes an electric wire inside. After that, wrap an adhesive tape around the wire at an appropriate place, and attach the exterior product. In this way, the wire harness is assembled in a fashion in which the above-described electric wires and the like are positioned according to a pattern routed (also referred to as wiring) in the automobile.

JP 2000-348828 A

  However, the electric wire hooked on the wiring jig described above easily moves along the longitudinal direction of the electric wire. For this reason, there is a problem that the tape winding operation described above is difficult. In addition, the tape winding work, while the operator holds multiple wires together with one hand, winds the adhesive tape around the wires with the other hand, but if the number of wires is large or the wires are hard, It was difficult to hold the wires together with the hand, and it was difficult to wind the tape.

  The present invention aims to solve such problems. That is, an object of the present invention is to provide a linear object fixing jig that can easily and surely fix a linear object to a fixed portion and can easily perform operations on the linear object.

  In order to solve the above problems and achieve the object, the invention described in claim 1 is a linear object fixing jig for fixing a linear object to a fixed part, and overlaps the surface of the fixed part. A belt on which the linear object is placed along a direction intersecting the longitudinal direction thereof, one end of which is rotatably attached to the fixed part, and the other end is attached to one end of the belt. A rotating arm that is attached and rotates in one direction along the circumferential direction of the linear object with the one end as a center, and a drive that drives the rotational arm to rotate the belt around the outer periphery of the linear object And tension means attached to the fixed portion, attached to the other end of the belt, pulling the belt along the longitudinal direction of the belt, and pushing back the pulled belt. Characteristic linear object It is a Teiji tool.

  According to a second aspect of the present invention, there is provided the linear object fixing jig according to the first aspect, wherein the rotating arm is concavely curved toward the linear object. It is a jig.

  According to a third aspect of the present invention, in the linear object fixing jig according to the first or second aspect of the present invention, the linear object fixing jig is attached to the fixed part, and the rotating arm rotates to rotate the belt. A linear object fixing jig comprising a pressing part for preventing the linear object from floating from the fixed part when wound around an object.

  According to the first aspect of the present invention, one end of the belt is attached to the fixed part via the rotating arm, and the other end is attached to the fixed part via the pulling means. The belt is wound around the linear object by rotating the rotating arm in one direction, and is tightened by the pulling means to tighten the linear object. Therefore, the linear object can be easily and reliably fixed to the fixed part. In addition, when there are a plurality of linear objects, the belt tightens the linear objects and collects the linear objects, so that workability such as tape winding work of the linear objects is improved.

  Further, the pulling means pushes back the belt, and the rotating arm rotates in the opposite direction to the one direction, so that the belt tightened with the linear object is unwound. Therefore, the fixing of the linear object can be easily released.

  According to the invention described in claim 2, since the rotating arm is concavely curved toward the linear object, the rotating arm rotates and collides with the linear object when the belt is wound around the linear object. Can be prevented. Therefore, the belt can be reliably wound around the linear object.

  According to the invention described in claim 3, when the rotating arm rotates and the belt is wound around the linear object, the pressing part presses the linear object and the linear object is lifted from the fixed part. Absent. For this reason, the part on which the linear object of the belt is placed does not float from the fixed part. Therefore, the linear object can be prevented from slipping off the belt and slipping off the belt.

It is a perspective view which shows the linear object fixing jig concerning one Embodiment of this invention. It is a perspective view which shows the state which the linear object fixing jig shown by FIG. 1 fixed the electric wire. FIG. 3 is a partial cross-sectional view showing a state in which a rotary arm is positioned at an initial position along line III-III in FIG. 1. FIG. 4 is a partial cross-sectional view showing a state in the middle of rotation of the rotating arm shown in FIG. 3 from an initial position to a winding position. FIG. 5 is a partial cross-sectional view illustrating a state in which the rotating arm illustrated in FIG. 4 is positioned at a winding position and the linear object fixing jig fixes the electric wire.

  A linear object fixing jig (hereinafter simply referred to as “fixing jig”) according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 5. 1 according to an embodiment of the present invention, for example, as shown in FIG. 2, a wire harness electric wire (corresponding to a linear object) 10 is wired to a wiring board (corresponding to a fixed part). This is a jig for fixing to 11.

  The electric wire 10 is a so-called covered electric wire including a conductive core wire and an insulating covering portion that covers the core wire. A plurality of electric wires 10 are provided. The plurality of electric wires 10 are bundled in a bundle by winding an adhesive tape or the like around the outer periphery when the wire harness is assembled. The fixing jig 1 of the present invention fixes the electric wire 10 to the wiring board 11 in order to perform such tape winding work with good workability, for example.

  The wiring board 11 is attached to a base (not shown) arranged on a floor such as a factory. The wiring board 11 is formed in a flat plate shape and is disposed flat along the horizontal direction. And the surface 11a distribute | arranged to the upper direction in FIG. 1 of the wiring board 11 and the back surface 11b distribute | arranged to the lower part in FIG. 1 of the wiring board 11 are also arrange | positioned flatly along a horizontal direction.

  As shown in FIGS. 1 and 2 and the like, the wiring board 11 has a long hole 12 extending linearly and a rectangular hole 13 having a rectangular shape in plan view shorter than the long hole 12. The long hole 12 is formed narrower than the width of the belt 2 to be described later, and wider than the width of the rotary arm 3. A wide portion 14 wider than the width of the belt 2 is formed on the end side of the long hole 12 away from the square hole 13. The square hole 13 is provided at an interval from the long hole 12, and is disposed on an extension line of the long hole 12. The square hole 13 is formed wider than the width of the belt 2 and is formed to have the same width as the wide portion 14 described above.

  The fixing jig 1 is provided on the wiring board 11. As shown in FIG. 3 and the like, the fixing jig 1 includes a belt 2, a rotating arm 3, a motor 4 as a driving means, an air cylinder 5 as a pulling means, a cover 6 as a pressing portion, and a control portion. (Not shown).

  The belt 2 is formed by knitting natural fibers or chemical fibers, and is formed in a belt shape. The belt 2 has flexibility. The belt 2 is disposed between the long hole 12 and the square hole 13. One end 2 a of the belt 2 near the long hole 12 is attached to a rotating arm 3 that rotates and projects from the long hole 12. The other end 2b of the belt 2 near the square hole 13 passes through the square hole 13 from the front surface 11a side to the back surface 11b side of the wiring board 11, and is attached to the air cylinder 5 attached to the back surface 11b. It has been. The belt 2 is attached to the wiring board 11 via the rotating arm 3 and the air cylinder 5.

  Further, as shown in FIG. 1, the central portion 2c of the belt 2 is positioned so as to substantially close the long hole 12 when the rotary arm 3 is positioned at an initial position described later and a rod 52 described later of the air cylinder 5 extends. Arranged and overlaid on the surface 11 a of the wiring board 11. In this manner, a plurality of electric wires 10 are placed on the belt 2 superimposed on the wiring board 11 along a direction orthogonal (crossing) to the longitudinal direction of the belt 2. As shown in FIG. 2, the belt 2 is wound around the outer periphery of the electric wires 10 when the rotary arm 3 is positioned at a winding position described later.

  The rotary arm 3 is made of a synthetic resin and is formed in a strip shape curved in a semicircular arc shape. The rotary arm 3 is formed narrower than the width of the belt 2. One end portion 3 a of the rotary arm 3 is formed with a thickness, and a shaft attachment hole 31 through which the rotary shaft 41 of the motor 4 passes is penetrated. The shaft attachment hole 31 passes through the one end 3 a of the rotary arm 3 along the width direction of the rotary arm 3.

  A wide portion 32 having a width substantially the same as the width of the belt 2 is formed at the other end 3 b of the rotary arm 3. A belt fixing piece 33 is attached to the inner surface of the wide portion 32. The belt fixing piece 33 is fixed to the wide portion 32 with a screw in a state where the one end 2 a of the belt 2 is sandwiched between the belt fixing piece 33 and the wide portion 32. Thus, the other end 3 b of the rotary arm 3 is attached to the one end 2 a of the belt 2. The screw penetrates the belt 2 and is configured to be difficult to remove.

  The motor 4 is attached to the back surface 11 b of the wiring board 11, and is attached to the outer edge portion of the long hole 12 near the square hole 13. The motor 4 is attached to the wiring board 11 such that the rotating shaft 41 is parallel to the longitudinal direction of the electric wire 10 placed on the belt 2. The rotating shaft 41 is passed through the shaft mounting hole 31 and is fixed to one end portion 3 a of the rotating arm 3. The motor 4 rotates the rotating shaft 41 to rotationally drive the rotating arm 3 fixed to the rotating shaft 41 along the circumferential direction of the electric wire 10 around the one end 3a.

  As described above, the rotary arm 3 described above has the one end 3 a rotatably attached to the wiring board 11 via the motor 4. The rotary arm 3 rotates in the direction of arrow R1 (one direction, such as FIG. 3) and the direction of arrow R2 (the opposite direction of the one direction, such as FIG. 5) about the one end 3a.

  The rotating arm 3 is rotatable between an initial position shown in FIGS. 1 and 3 and a winding position shown in FIGS. 2 and 5. The initial position is a position where the entire rotary arm 3 is positioned on the back surface 11 b side of the wiring board 11. The winding position is a position where most of the rotating arm 3 is positioned on the surface 11 a side of the wiring board 11 through the long hole 12 and the other end 3 b enters the square hole 13. Thus, the rotating arm 3 protrudes and retracts from the long hole 12 by rotating.

  The rotating arm 3 rotates in the direction of the arrow R1 from the initial position to the winding position, so that the other end 3b crosses over the electric wire 10 and the one end 2a of the belt 2 is connected to the other end 2b side of the belt 2. The belt 2 is wound around the outer periphery of the electric wire 10 placed on the central portion 2c of the belt 2. Further, the rotating arm 3 rotates in the direction of the arrow R2 from the winding position to the initial position, so that the one end 2a of the belt 2 is moved away from the other end 2b side of the belt 2 and the belt 2 wound around the electric wire 10 is wound. From the electric wire 10.

  Further, as shown in FIGS. 3 to 5, the rotary arm 3 is attached to the wiring board 11 via the motor 4 in such a direction as to bend concavely toward the electric wire 10. For this reason, when the rotating arm 3 rotates to the winding position, the rotating arm 3 and the electric wire 10 do not collide.

  The air cylinder 5 includes a cylinder body 51 and a rod 52 that can be extended and contracted from the cylinder body 51. The cylinder body 51 is attached to the back surface 11 b of the wiring board 11. The cylinder body 51 is attached to the outer edge of the square hole 13 on the side away from the long hole 12, and is disposed on the extended line of the long hole 12. The longitudinal direction of the cylinder body 51 is parallel to the extension line of the long hole 12. The rod 52 extends from the tip of the cylinder body 51 near the square hole 13 in a direction approaching the square hole 13 and contracts in a direction away from the square hole 13. The rod 52 expands and contracts on the extension line of the long hole 12.

  A pair of belt fixing pieces 53 a and 53 b are provided at the tip of the rod 52. One belt fixing piece 53 a is fixed to the tip of the rod 52. The other belt fixing piece 53b is fixed to the one belt fixing piece 53a with a screw in a state where the other end 2b of the belt 2 is sandwiched between the other belt fixing piece 53a. The screw penetrates the belt 2 and is configured to be difficult to remove. The tip of the rod 52, that is, the air cylinder 5 is attached to the other end 2b of the belt 2 by the belt fixing pieces 53a and 53b.

  The above-described air cylinder 5 pulls the belt 2 attached to the tip of the rod 52 along the longitudinal direction when the rod 52 contracts as described above. Further, the air cylinder 5 pushes back the pulled belt 2 by the extension of the rod 52.

  The cover 6 is made of a transparent synthetic resin such as an acrylic resin. As shown in FIG. 1 and the like, the cover 6 includes a pair of flat plate portions 61 having a semicircular shape in plan view and a curved plate portion 62 in which curved edges of the pair of flat plate portions 61 are connected to each other. The pair of flat plate portions 61 are opposed to each other with a space therebetween and are arranged in parallel to each other. The cover 6 is formed to have a size that can cover both the long hole 12 and the square hole 13, and a size that does not collide with the rotating arm 3 protruding and retracting from the long hole 12.

  Further, the cover 6 is provided with an electric wire passage portion 63. The wire passage part 63 is formed in a cutout shape in which the edge of the cover 6 is partially cut out linearly from one end part in the longitudinal direction of the curved plate part 62 toward the other end part. The height in the vertical direction of the wire passage portion 63 in FIG. 1 is slightly larger than the outer diameter of the plurality of wires 10 in a bundled state.

  The above-described cover 6 is configured so that the straight edges of the pair of flat plate portions 61 overlap the surface 11 a of the wiring board 11 and the flat plate portion 61 is erected from the surface 11 a of the wiring board 11. It attaches to the surface 11a of the wiring board 11 so that the square hole 13 may be covered. The rotating arm 3 rotates within the cover 6. And the edge of the electric wire passage part 63 leaves | separates the surface 11a of the wiring board 11, and the some electric wire 10 is positioned between the cover 6 and the wiring board 11 through the electric wire passage part 63. FIG.

  The control unit is configured by a known digital circuit or the like. The control unit is connected to the air cylinder 5, the motor 4, the switch 71 (shown only in FIGS. 1 and 2), and a power source (not shown). The switch 71 is attached to the surface 11 a of the wiring board 11 and is disposed at the outer edge portion away from the square hole 13 of the long hole 12.

  When the switch 71 is turned on, the control unit drives the motor 4 to rotate the rotating arm 3 from the initial position to the winding position to wind the belt 2 around the outer periphery of the electric wire 10 and to contract the rod 52 of the air cylinder 5. Then, the electric wire 10 is tightened with the belt 2. Further, when the switch 71 is turned off, the control unit extends the rod 52 of the air cylinder 5 to push back the pulled belt 2 and drives the motor 4 to rotate the rotating arm 3 from the winding position to the initial position. The belt 2 wound around the outer periphery of the electric wire 10 is unwound.

  When the electric wire 10 is fixed to the wiring board 11 using the fixing jig 1 described above, first, the switch 71 is turned off, and the rotary arm 3 is positioned at the initial position as shown in FIG. 5 is extended, and the belt 2 is placed on the surface 11 a of the wiring board 11. Thereafter, the plurality of electric wires 10 are positioned between the cover 6 and the wiring board 11 through the electric wire passing portion 63, positioned at the innermost portion of the electric wire passing portion 63, and placed on the belt 2.

  Thereafter, the switch 71 is turned on, the rod 52 of the air cylinder 5 is contracted to pull the other end 2b of the belt 2, and the rotating arm 3 is rotated from the initial position toward the winding position. Then, as shown in FIG. 4, the other end 3 b of the rotary arm 3 moves upward, and the one end 2 a side of the belt 2 is separated from the wiring board 11 and is pushed up above the other end 2 b side. .

  At this time, the electric wire 10 on the belt 2 is also subjected to an external force that is pushed up. However, since the electric wire 10 is pressed by the cover 6, it does not lift from the wiring board 11, thereby placing the electric wire 10 of the belt 2. The raised portion does not rise from the wiring board 11. Without the cover 6, the electric wire 10 and the belt 2 are lifted from the wiring board 11, the electric wire 10 slides down on the belt 2 toward the one end portion 2 a, falls off the belt 2, and the belt 2 is wound around the electric wire 10. There is a risk that it will not be possible.

  Thereafter, the other end 3 b of the rotating arm 3 crosses over the electric wire 10 and enters the square hole 13, the rotating arm 3 is positioned at the winding position, and the belt 2 is arranged on the outer periphery of the electric wire 10. At this time, since the other end 2b of the belt 2 is pulled by the air cylinder 5, the belt 2 bundles and tightens the plurality of electric wires 10. As shown in FIG. 5, the electric wire 10 fastened to the belt 2 moves from the innermost part of the electric wire passing part 63 to the opening side and is pressed against the inner surface of the rotating arm 3 on the other end part 3 b side.

  Thus, the plurality of electric wires 10 are fastened to the belt 2 fixed to the wiring board 11 and fixed to the wiring board 11. Thereafter, a tape winding operation is performed on these electric wires 10. After the operation was completed, the switch 71 was turned off again, the rod 52 of the air cylinder 5 was extended and the pulled belt 2 was pushed back, and the rotary arm 3 was positioned at the initial position and wound around the electric wire 10. Unwind belt 2. And the electric wire 10 in which the said operation | work was given is removed from the fixing jig 1 through the electric wire passage part 63. FIG.

  According to this embodiment, one end 2 a of the belt 2 is attached to the wiring board 11 via the rotary arm 3, and the other end 2 b is attached to the wiring board 11 via the air cylinder 5. The belt 2 is wound around the electric wire 10 by rotating the rotating arm 3 in the arrow R1 direction from the initial position to the winding position, and is pulled by the air cylinder 5 to tighten the electric wire 10. Therefore, the electric wire 10 can be fixed to the wiring board 11 easily and reliably. Moreover, since the belt 2 clamps the several electric wire 10 and puts together the electric wire 10, workability | operativity, such as a tape winding operation | work of the electric wire 10, improves.

  Further, the air cylinder 5 pushes back the belt 2 and the rotating arm 3 rotates in the direction of the arrow R2 from the winding position to the initial position, whereby the belt 2 with the electric wire 10 fastened is unwound. Therefore, the fixing of the electric wire 10 can be easily released.

  Further, since the rotary arm 3 is curved concavely toward the electric wire 10, it can be prevented that the rotary arm 3 rotates and the belt 2 is wound around the electric wire 10 to collide with the electric wire 10. Therefore, the belt 2 can be reliably wound around the electric wire 10.

  Further, when the rotating arm 3 rotates and the belt 2 is wound around the electric wire 10, the cover 6 does not hold the electric wire 10 and the electric wire 10 does not float from the wiring board 11. For this reason, the portion of the belt 2 on which the electric wire 10 is placed does not rise from the wiring board 11. Therefore, the electric wire 10 can be prevented from slipping off the belt 2 by sliding on the belt 2.

  In embodiment mentioned above, the case where the some electric wire 10 as a linear thing was fixed to the wiring board 11 as a to-be-fixed part was demonstrated as an example. However, in the present invention, the linear object may be a single electric wire 10 or may be a linear object other than the electric wire 10 such as an optical fiber cable. Further, the fixed part may be a work table other than the wiring board 11, for example, a work table for temporarily binding the plurality of electric wires 10 with a string for movement.

  The above-described embodiments are merely representative examples of the present invention, and the present invention is not limited to the above-described embodiments. That is, various modifications can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Linear object fixing jig 2 Belt 2a One end part 2b Other end part 3 Rotating arm 3a One end part 3b Other end part 4 Motor (drive means)
5 Air cylinder (Tensioning means)
6 Cover (pressing part)
10 Electric wires (linear objects)
11 Wiring board (fixed part)
11a Surface R1 Unidirectional

Claims (3)

A linear object fixing jig for fixing a linear object to a fixed part,
A belt overlaid on the surface of the fixed part, and on which the linear object is placed along a direction intersecting the longitudinal direction;
One end portion is rotatably attached to the fixed portion, and the other end portion is attached to one end portion of the belt, and in one direction along the circumferential direction of the linear object with the one end portion as a center. A rotating arm that rotates and winds the belt around the outer periphery of the linear object;
Drive means for rotationally driving the rotary arm;
A tension means attached to the fixed part, attached to the other end of the belt, pulling the belt along the longitudinal direction of the belt, and pushing back the pulled belt. Linear object fixing jig.   The linear object fixing jig according to claim 1, wherein the rotating arm is concavely curved toward the linear object.   A pressing portion is provided which is attached to the fixed portion, and prevents the linear object from being lifted from the fixed portion when the rotating arm rotates and winds the belt around the linear object. The linear object fixing jig according to claim 1 or 2.

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