JP4133656B2 - Cable fixing structure - Google Patents

Description

  The present invention relates to a cable fixing structure for fixing a cable to a vehicle body or the like with a holder, for example.

Conventionally, sensors and control devices mounted on automobiles are connected by cables. The middle part of the cable swings due to the vibration or impact of the vehicle body while traveling. For this reason, in order to prevent the cable from interfering with members that move up and down with respect to the vehicle body such as the suspension arm and link, various resin clips (holders) for fixing the cable to the vehicle body are attached. (For example, Patent Document 1).
In general, the resin clip includes a support base serving as a clip body, a holding portion for restraining and holding a cable on the support base, and a substantially screw-like assembly portion for fixing the support base to the vehicle body. It is integrally formed.

FIG. 11 is a perspective view showing an installed state of a wheel speed sensor installed in a conventional vehicle and a cable connected to the wheel speed sensor.
As shown in FIG. 11, for example, a wheel speed sensor (pickup sensor) 100 that detects the wheel speed of the wheel 110 has a base portion 101 fixed to the left and right ends of the rear axle housing 120 by bolts 130. At the left and right ends of the rear axle housing 120, there are flanges 140 for fitting sensor rings (not shown) having irregular teeth formed at regular intervals along the circumferential direction at the ends of an axle (not shown). is set up. The wheel speed sensor 100 is connected to a cable 150 having one end connected to a control unit C such as a traction control or antilock brake system. The cable 150 is fixed to a suspension component such as the rear axle housing 120 by a clip 160 at a position slightly away from the wheel speed sensor 100. The clip 160 is inserted into a plate-like support portion 161 to be installed on the surface of the rear axle housing 120, a restraint portion 162 that holds the cable 150, and a through hole formed in the support portion 161, and the support portion 161 is inserted. , And a screw 163 for fixing to the rear axle housing 120. The restraining portion 162 is a band-shaped member integrally formed at the end portion of the support portion 161, and holds the cable 150 so as to be wound. The clip 160 holds the cable 150 with the restraining portion 162, and the support portion 161 is fixed to the rear axle housing 120 with a screw 163, so that the cable 150 is fixed to the rear axle housing 120. Thus, the cable 150 is prevented from being damaged by interference with the shock absorber 170 and the like by being fixed by the clip 160 when vibration or impact is applied to the cable 150.

Also, in a cable connected to a conventional wheel speed sensor, a metal clip (holding tool) fixed to the middle part of the cable is bolted to suspension parts such as knuckles, upper arms, and lower arms installed near the wheels. Some cables are fixed by fastening.
Japanese Utility Model Publication No. 6-35613 (7th to 10th pages, FIG. 1)

Conventionally, when fixing a cable such as a wheel speed sensor to a plate material such as an iron plate, an engagement hole for fitting a clip to the plate material can be easily formed by pressing or drilling. The cable could be easily fixed to the iron plate with a clip.
However, when the cable 150 is fixed to a thick suspension part or a vehicle body formed by casting or forging, when the clip is used, the insertion tip of the clip does not reach the outside of the mounting hole and the fixing cannot be performed. For this reason, as shown in FIG. 11, the screw fastening means is exclusively limited to screws 163 or bolts and nuts. For this reason, it was a factor of cost increase.
When the cable 150 is fixed to a suspension part formed by casting or forging by a clip, the clip must be attached so as to hold the rear axle housing 120 from the lateral direction, so that the entire clip becomes a large shape. There was a point.

  An object of the present invention is to provide a cable fixing structure capable of easily holding a cable to a cast or forged suspension part or a vehicle body.

In order to solve the above problem, the cable fixing structure according to claim 1 is a cable fixing structure in which a cable is held on a cable fixing material by a holder, and the cable fixing material is the holding tool. An engaging hole into which the shaft portion formed is inserted, and the holder includes a restraining portion for holding the cable, the cylindrical shaft portion whose diameter is increased by inserting a pin , A support portion fixed to the cable fixing material by a pin, and the shaft portion has a tapered outer shape, is inserted into the engagement hole, and is drilled in the shaft portion. By inserting the pin into the through-hole, the outer peripheral surface of the shaft portion is press-fitted to the inner surface of the engagement hole, and the inner wall of the through-hole is slightly larger than the diameter of the pin A large-diameter portion and a tip of the large-diameter portion A slightly smaller medium diameter part and a small diameter part formed on the tip side of the medium diameter part are formed, and when the pin is pushed into the through hole, the large diameter part, the medium diameter part, The small-diameter portions are respectively pressed against the pins, and a plurality of the restraining portions are formed on the support portion, and a guide for supporting the cable meandering between the plurality of restraining portions is installed. It is characterized by being.
The invention of claim 2 is a cable fixing structure in which a cable is held on a cable fixing material by a holding tool, and the cable fixing material is inserted into a shaft portion formed on the holding tool. The holding tool is fixed to the cable-fixed member by the pin, the restraining portion that holds the cable, the cylindrical shaft portion that expands in diameter when the pin is inserted, and the pin. A support portion, and the shaft portion is formed with a tapered outer shape, inserted into the engagement hole, and the pin is inserted into a through-hole formed in the shaft portion. The outer peripheral surface of the shaft portion is press-fitted to the inner surface of the engagement hole, and the inner wall of the through hole has a large diameter portion slightly larger than the diameter of the pin, and a tip of the large diameter portion. A medium diameter portion formed on the side and slightly smaller than the diameter of the pin, and A small-diameter portion formed on the end side, and when the pin is pushed into the through hole, the large-diameter portion, the medium-diameter portion, and the small-diameter portion are respectively pressed against the pin, The support portion is provided with the restraint portion on one end side, and on the other end side, a protrusion to be inserted into a stopper hole formed in the cable-fixed material protrudes, and the restraint portion and the protrusion The shaft portion is disposed between the two.

According to the first and second aspects of the present invention, in the cable fixing structure, the holding tool inserts the shaft portion of the holding device into the engagement hole of the cable-fixed material, and further, in the shaft portion. By inserting the pin into the shaft, the diameter of the shaft portion is increased, so that the inner surface of the engagement hole and the outer peripheral surface of the shaft portion can be brought into pressure contact with each other to be fitted together. For this reason, the holder can be simply fixed to the cable-fixed material by pushing the shaft portion and the pin into the cable-fixed material.

The cable fixing structure according to claim 3 is the cable fixing structure according to claim 1, wherein the cable fixing member has a recess formed in the engagement hole, and the holding tool Is characterized in that a convex portion that engages with the concave portion is formed on the outer peripheral surface of the shaft portion.

According to the third aspect of the present invention, the shaft portion and the engagement hole are formed by forming the protrusion portion in the shaft portion of the holder and forming the recess portion in the engagement hole of the cable fixing material. When the is fitted, the convex portion engages with the concave portion, so that the holder can be firmly fixed to the cable fixing material .

  According to the cable fixing structure of the first aspect of the present invention, the holder inserts the shaft portion of the holder into the engagement hole of the cable fixing material, and further inserts the pin into the shaft portion. As a result, the diameter of the shaft portion is increased, so that the inner surface of the engagement hole and the outer peripheral surface of the shaft portion can be brought into pressure contact with each other to be fitted together. For this reason, even if it is a to-be-cable-fixed material with a thickness, a holder can be simply fixed to a to-be-cable-fixed material by pushing in a shaft part and a pin with respect to the to-be-cable-fixed material.

According to the cable fixing structure of the second aspect of the present invention, the convex portion is formed in the shaft portion of the holder, and the concave portion is formed in the engagement hole of the cable fixing material. When the portion and the engagement hole are fitted, the convex portion engages with the concave portion, so that the holder can be firmly fixed to the cable fixing material.

[First Embodiment]
First, a cable fixing structure according to a first embodiment of the present invention will be described with reference to FIG. As an embodiment of the present invention, a cable connecting a wheel speed sensor mounted on an automobile and a control unit will be described as an example.

  FIG. 1 is a diagram showing a cable fixing structure according to the first embodiment of the present invention, and is a perspective view showing a cable wiring state.

  As shown in FIG. 1, the brake rotor 1 is a member that fixes a wheel (not shown), and is supported by a knuckle 2. The knuckle 2 has upper and lower ends connected to outer ends of an upper arm 3 and a lower arm 4 that are swingably connected to the vehicle body. The knuckle 2 is provided with a bearing portion 2 a that supports the axle 5. A wheel speed sensor (pickup sensor) S for detecting the rotational speed of the wheel is fixed to the bearing portion 2 a of the knuckle 2 by a bolt B. The wheel speed sensor S is connected to a cable 6 for sending a wheel speed signal to the control unit C.

  The cable 6 is composed of, for example, two conductive wires (not shown), and is covered with a tube 6c for protection from muddy water and pebbles by being wired near the wheel. Yes. In order to prevent the middle part of the cable 6 from being obstructed by the vertical movement of the wheel, the holders 7, 7, 7 ′ are placed at appropriate positions on the knuckle 2 and the upper arm 3 in a state of being loosened appropriately. It is fixed by a pin 9 via The distal end portion of the cable 6 is inserted into an engine room through an insertion hole H1 formed in the wheel house H, and is connected to a control unit C installed in the engine room. A grommet G made of an elastic resin such as synthetic rubber that has passed through the cable 6 is fitted into the insertion hole H1, and the edge of the insertion hole H1 is protected from being pressed against the cable 6.

Since the knuckle 2 and the upper arm 3 are suspension parts that support a part of the vehicle weight, the knuckle 2 and the upper arm 3 are made of a sturdy metal such as iron formed by casting or forging. The knuckle 2 and the upper arm 3 are provided with engagement holes 2b, 2c, 3a with which shaft portions 7c, 7c ′ formed in the holders 7, 7, 7 ′ are engaged.
The knuckle 2 and the upper arm 3 correspond to a “cable fixing material” described in the claims.

  Each holding tool 7, 7, 7 ′ includes support parts 7 a, 7 a ′ installed on the surfaces of the knuckle 2 and the upper arm 3, restraint parts 7 b, 7 b ′ holding the cable 6, and support parts 7 a, 7 a ′. It consists of cylindrical shaft portions 7c and 7c 'which are provided on the lower surface and into which pins 9 are inserted. The holders 7, 7, and 7 'are made of elastic metal or synthetic resin. Each holder 7, 7, 7 ′ is integrally formed with cylindrical shaft portions 7 c, 7 c ′ in which notches 7 h, 7 h ′ are formed so that the diameter is increased by inserting the pin 9. The holder 7 inserts the shaft portions 7c and 7c ′ into the engaging holes 2b, 2c and 3a, and inserts the pins 9 into the through holes 7d and 7d ′ of the shaft portions 7c and 7c ′. Thus, the shaft portions 7c and 7c ′ are press-fitted into the engagement holes 2b, 2c and 3a, respectively, and are fixed to the knuckle 2 and the upper arm 3.

  The support portions 7a and 7a ′ are made of a flat plate material or a plate material having an L-shaped cross section formed so as to adhere to the surfaces of the knuckle 2 and the upper arm 3 to be fixed. The restraining portions 7b and 7b ′ are made of a band-like member that holds the cable 6 so as to hold it, and are integrally formed at the end portions of the support portions 7a and 7a ′. The shaft portions 7c and 7c ′ are formed in a tapered shape with a tapered shape inside, and the diameter of the shaft portions 7c and 7c ′ is increased by inserting the pin 9, and the outer peripheral surfaces of the shaft portions 7c and 7c ′ are engaged holes. It is formed so as to be fixed in pressure contact with the inner surfaces of 2b, 2c and 3a.

  As described above, the holders 7, 7, and 7 'engage the shaft portions 7c and 7c' with the engagement holes 2b, 2c, and 3a of the knuckle 2 and the upper arm 3, and further, the pin 9 is connected to the shaft portion 7c. 7c ′, the pin 9 is fitted into the shaft portions 7c and 7c ′, and the shaft portions 7c and 7c ′ are fitted into the engagement holes 2b, 2c and 3a. Is done. For this reason, the pin 9 and the holders 7, 7, 7 ′ can be fitted simply by being pushed toward the knuckle 2 and the upper arm 3, and the assembling work can be simplified.

[Second Embodiment]
Next, with reference to FIGS. 2A, 2B, and 2C, a cable fixing structure according to a second embodiment of the present invention will be described.

  2A and 2B are diagrams showing a cable fixing structure according to a second embodiment of the present invention, in which FIG. 2A is a cross-sectional view showing a state when a pin is inserted into a holder, and FIG. Sectional drawing which shows a state when it inserts in a to-be-cable-fixed material, (c) is sectional drawing which shows a state when a pin is further pushed in to a holder.

As shown in FIG. 2 (a), the holder 71 is a clip for fixing the cable 6 to the fixed member 8, and is formed of a metal having elasticity or a synthetic resin. The holder 71 is provided with a plate-like support portion 71a installed on the surface 8a of the material 8 to be fixed, a restraint portion 71b that holds the cable 6, and a lower surface of the support portion 71a so that the pin 9 is inserted. And a cylindrical shaft portion 71c.
The support portion 71a is formed in a plate shape, and on the surface of the support portion 71a, a through hole 71d communicating with the shaft portion 71c and a locking claw 71e formed at the end of the restraint portion 71b are engaged. A hook 71f to be stopped is formed.
If the restraint part 71b hold | maintains the cable 6, the shape will not be specifically limited. The restraint portion 71b is made of, for example, a band-shaped elastic plate material that holds the cable 6, and extends to the end portion of the support portion 71a.
The shaft portion 71c is formed in a slightly tapered cylindrical shape with a tapered portion 71g formed at the tip, and is integrally formed on the lower surface of the support portion 71a. In the through hole 71d of the shaft portion 71c, a large diameter portion d1 slightly larger than the diameter D of the pin 9 and a medium diameter slightly smaller than the diameter D of the pin 9 formed on the tip side of the large diameter portion d1. A portion d2 and a small diameter portion d3 formed on the tip side of the medium diameter portion d2 are formed. In the shaft portion 71c, a plurality of notches 71h are formed along the center line of the shaft portion 71c. The large-diameter portion d1, the medium-diameter portion d2, the small-diameter portion d3, and the notch portion 71h are formed so that the diameter of the shaft portion 71c is increased by pressing the pin 9 inserted into the through-hole 71d deeply into the through-hole 71d. It has been done. A plurality of the notches 71h are formed along the center line of the shaft portion 71c. On the outer peripheral surface of the shaft portion 71c provided with elasticity by forming the cutout portion 71h, for example, a plurality of convex portions 71i formed in a thread shape are formed. The convex portion 71i only needs to have a shape that engages with the concave portion 8c when the shaft portion 71c is inserted into the engagement hole 8b and the pin 9 is further inserted into the through hole 71d of the shaft portion 71c. The shape is not particularly limited.

  The cable 6 includes, for example, an electric device (not shown) such as a wheel speed sensor S (see FIG. 1) and an electric device (not shown) such as a control unit C (see FIG. 1) of the antilock brake system. A conductive wire for connection. The cable 6 includes a core wire 6a made of a conductor, a coating 6b covering the core wire 6a, and a protective tube 6c in which a plurality of coatings 6b are bundled. Note that the type, shape, and number of the cables 6 are not particularly limited. For example, the tube 6c may not be provided and may be provided as necessary. Further, the number of the core wires 6a and the cables 6 may be one or a plurality, and only a necessary number may be provided.

The fixed member 8 is disposed between an electric device (not shown) connected by the cable 6 and an electric device (not shown), and is engaged with the shaft portion 71c of the holder 71. Any member can be used as long as the hole 8b can be formed. For example, the material 8 to be fixed is a suspension component of the knuckle 2 (see FIG. 1), the upper arm 3 (see FIG. 1) or the lower arm 4 (see FIG. 1), or a suspension device such as a rear axle housing or a member fixed to the vehicle body. Become. The fixed material 8 is made of metal such as iron formed by casting or forging. On the surface 8a of the material 8 to be fixed, an internal thread-like engagement hole 8b is formed in which a concave portion 8c into which the convex portion 71i of the holder 71 is screwed is formed. The engagement hole 8b may be either a through hole formed through the fixed material 8 or a blind hole. Moreover, although the recessed part 8c consists of a thread groove, for example, it is not limited to this, What is necessary is just that the convex part 71i latches.
The fixed material 8 corresponds to “cable fixed material” in the claims.

  The pin 9 has a head portion 9 a and a cylindrical portion 9 b that is inserted into the through hole 71 d of the holder 71. The tip portion 9e of the cylindrical portion 9b is formed in a substantially hemispherical shape so that the pin 9 can be easily inserted into the through hole 71d. A first step portion 9c for locking the small diameter portion d3 of the holder 71 is formed in front of the distal end portion 9e. A second step 9d is formed between the first step 9c and the head 9a.

Next, the operation of the cable fixing structure according to the second embodiment of the present invention will be described with reference to FIGS. 2A, 2B, and 2C together with the assembling procedure.
First, the restraining part 71b of the holder 71 is expanded, and the cable 6 is inserted into the restraining part 71b. The restraining portion 71b is contracted so as to wind the cable 6, and as shown in FIG. 2A, the locking claw 71e at the tip is latched to the hook 71f, thereby fixing the cable 6 to the restraining portion 71b. .
Next, the pin 9 is inserted to the large diameter part d1 in the through hole 71d of the holder 71. Then, as shown in FIG. 2A, the tip 9e of the pin 9 comes into contact with the inclined surface between the large diameter part d1 and the medium diameter part d2. At this time, since the diameter D of the cylindrical portion 9b of the pin 9 is slightly smaller than the large diameter portion d1 in the through hole 71d, the outer diameter d4 of the shaft portion 71c does not expand.

  Therefore, as shown in FIG. 2B, when the shaft portion 71c is inserted into the engagement hole 8b of the fixed member 8, the shaft portion 71c is formed in a tapered shape and has a tapered shape. Since the outer diameter d4 of the shaft portion 71c is larger than the large diameter portion d1 on the opening side of the engagement hole 8b, it can be inserted into the engagement hole 8b relatively easily.

Next, as shown in FIG. 2C, the pin 9 is further pushed deeply into the through hole 71d. Then, the tip 9e of the pin 9 passes from the large diameter part d1 to the medium diameter part d2 and the small diameter part d3 in pressure contact with the diameter of the shaft part 71c, and goes outside the tip of the shaft part 71c. Then, since the small diameter part d3 of the front-end | tip of the axial part 71c is formed in the mountain shape, it engages with the 1st level | step-difference part 9c. As a result, the pin 9 is held in the holder 71 and is prevented from falling off by an external force such as vibration or impact.
Since the cylindrical portion 9b having an outer diameter D larger than the medium diameter portion d2 is press-fitted into the medium diameter portion d2 of the shaft portion 71c, the diameter of the shaft portion 71c is expanded so as to warp outward. Then, the convex part 71i formed in the outer peripheral surface of the shaft part 71c engages with the concave part 8c of the engagement hole 8b, and the shaft part 71c is firmly fixed to the fixed material 8.

  As described above, the holder 71 engages the shaft portion 71c with the engagement hole 8b of the fixed member 8 and pushes the pin 9 into the through hole 71d of the shaft portion 71c, whereby the pin 9 is moved to the shaft portion 71c. Since the shaft portion 71c is fitted into the engagement hole 8b of the fixed material 8, the pin 9 and the holding tool 71 can be fitted simply by pushing them toward the fixed material 8, and the assembly work Can be simplified.

[Third Embodiment]
Next, a cable fixing structure according to a third embodiment of the present invention will be described with reference to FIGS. The third embodiment of the present invention includes a grommet into which a cable is inserted, an insertion hole into which the grommet is fitted, a side opening to which the cable is attached and held, and an opening formed in the side opening. It is characterized by comprising a restraining portion having an end locking claw.

  FIG. 3 is an exploded perspective view having a partial cross section showing a cable fixing structure according to a third embodiment of the present invention. FIG. 4 is a longitudinal sectional view showing a cable fixing structure according to the third embodiment of the present invention.

As shown in FIGS. 3 and 4, the holder 72 has a clamp shape for fixing the cable 6 to the fixed material 8 and is formed of, for example, a synthetic resin or metal having elasticity. The holder 72 includes a plate-like support portion 72 a installed on the surface 8 a of the fixed material 8 by the pins 9, a restraining portion 72 b that holds the cable 6, and a lower surface of the support portion 72 a so as to protrude from the pin 9. , 9 are inserted into cylindrical shaft portions 72c, 72c.
The support portion 72a is made of a plate-like member, and through holes 72d and 72d communicating with the shaft portions 72c and 72c and a restraining portion 72b are formed on the surface of the support portion 72a.
The restraining portion 72b has a semi-cylindrical shape with a substantially U-shaped cross section, and a plurality of locking claws 72e for locking the cable 6 pushed into the restraining portion 72b are formed in the side opening 72k. ing. An insertion hole 72m for fitting the grommet G is formed at one end of the restraining portion 72b, and an opening 72n having a U-shaped cross-section for drawing the cable 6 from the restraining portion 72b to the outside at the other end. Is formed.
The shaft portion 72c has the same shape as the shaft portions 7c, 7c ′ (see FIG. 1) and 71c (see FIG. 2A) of the first and second embodiments. The shaft portion 72c is composed of a plurality (for example, two), and is integrally formed on the lower surface of the support portion 72a.

  The cable 6, the pin 9, and the fixed material 8 have the same shape as that described in the second embodiment, and are different only in the number.

Next, the operation of the cable fixing structure according to the third embodiment of the present invention will be described with reference to FIGS.
First, as shown in FIGS. 3 and 4, the grommet G is fitted to the cable 6 having the tube 6c. The grommet G is fitted into the insertion hole 72 m of the holder 72. Then, the cable 6 is pushed into the restricting portion 72b from the side opening 72k, and is locked by the locking claw 72e so that the cable 6 does not fall off.

  Next, the shaft portion 72 c of the holder 72 is inserted into the engagement hole 8 b of the fixed material 8. Further, the pin 9 is press-fitted into the through hole 72 d of the holder 72. Then, the tip 9e of the pin 9 presses the inner wall of the tapered through hole 72d to expand the diameter of the shaft 72c. At this time, the thread-like convex portion 72 i formed on the outer peripheral surface of the shaft portion 72 c engages with the concave portion 8 c formed in the engaging hole 8 b of the fixed material 8. As a result, the pin 9 is firmly held in the holder 72 and the shaft portion 72c is firmly held in the engagement hole 8b, and is prevented from falling off due to external force such as vibration or impact.

Thus, the holder 72 holds the cable 6 in the restraining portion 72b formed in a substantially cylindrical shape, and is fixed to the fixed material 8 with the plurality of pins 9 and 9, so that the fixed material 8 is firmly fixed. The cable 6 provided in the restraining portion 72b can be protected from external force. Further, since the grommet G is disposed in the insertion hole 72m at the end of the holder 72, the cable 6 can be prevented from being damaged by being pressed against the edge of the insertion hole 72m due to vibration or the like.
Further, since the cable 6 can be fixed to the holder 72 by being inserted into the insertion hole 72m and pushed into the restraining portion 72b, the cable 6 can be easily attached.

[Fourth embodiment]
Next, a cable fixing structure according to the fourth embodiment of the present invention will be described with reference to FIGS. The fourth embodiment of the present invention is characterized in that a restraining portion for holding a grommet fitted to a cable and a guide for wiring the cable in a meandering state are formed.

  FIG. 5 is a plan view showing a cable fixing structure according to the fourth embodiment of the present invention. FIG. 6 is a longitudinal sectional view showing a cable fixing structure according to the fourth embodiment of the present invention.

As shown in FIGS. 5 and 6, the holder 73 in the fourth embodiment of the present invention is a clamp-like member for fixing the cable 6 to the fixed member 8, and includes two grommets G <b> 1 on the left and right. G2 and guides 73k, 73k, and 73k that meander and support the cable 6 between the grommets G1 and G2. The holder 73 includes a plate-like support portion 73a installed on the surface 8a of the material 8 to be fixed, restraining portions 73b and 73b for holding the cable 6 via grommets G1 and G2, and a lower surface of the support portion 73a. It consists of cylindrical shaft portions 73c and 73f into which the pins 9 and 9 are inserted, and the protruding piece-shaped guides 73k, 73k and 73k.
The support portion 73a is made of a plate-like member. The support portion 73a is provided with cylindrical shaft portions 73c and 73f and insertion holes 73m and 73m for mounting the grommets G1 and G2, and the grommets. Restraining portions 73b and 73b for holding the cable 6 with G1 and G2 are integrally formed.
The restraining portions 73b and 73b are formed of a plate-like shape formed to be inclined at a desired angle with respect to the support portion 73a in order to hold the cable 6 so as to face the desired wiring direction.
The shaft portion 73c has the same shape as the shaft portions 7c, 7c ′ (see FIG. 1), 71c (see FIG. 2 (a)), 72c (see FIG. 4) of the first to third embodiments. . The shaft portion 73f is integrally formed with the support portion 73a in a shape protruding from the front and back of the support portion 73a.

  The cable 6, the pin 9, the fixed material 8, and the grommets G1 and G2 have the same shape as that described in the third embodiment, and are different in number.

Next, the operation of the cable fixing structure according to the fourth embodiment of the present invention will be described with reference to FIGS.
First, as shown in FIGS. 5 and 6, two grommets G1 and G2 are fitted into the cable 6 having the tube 6c. The cable 6 between the two grommets G1, G2 is inserted between the respective guides 73k, 73k, 73k and wired in a meandering state. Next, the grommets G1, G2 are fitted into the insertion holes 73m, 73m of the holder 73. Thereby, the cable 6 is held by the holder 73.

Next, the shaft portions 73 c and 73 f of the holder 73 are inserted into the engagement holes 8 b and 8 b of the fixed material 8. Further, the pin 9 is press-fitted into the through holes 73 d and 73 d of the holder 73. Then, the tip portion 9e of the pin 9 presses the inner walls of the tapered through holes 73d and 73d to expand the diameters of the shaft portions 73c and 73f.
Then, the thread-like convex portions 73 i and 73 i formed on the outer peripheral surfaces of the shaft portions 73 c and 73 f engage with the concave portion 8 c formed in the engaging hole 8 b of the fixed material 8. As a result, the pin 9 is firmly held in the holder 73 and is prevented from falling off by an external force such as vibration or impact.

[Fifth Embodiment]
Next, a cable fixing structure according to a fifth embodiment of the present invention will be described with reference to FIGS. The fifth embodiment of the present invention is a modification of the fourth embodiment, and is characterized in that it includes a restraining portion including a substantially C-shaped notch groove for holding a cable. It is.

  FIG. 7 is a plan view showing a cable fixing structure according to the fifth embodiment of the present invention. FIG. 8 is a side view having a partial cross section showing a cable fixing structure according to a fifth embodiment of the present invention.

As shown in FIGS. 7 and 8, the holder 74 in the fifth embodiment of the present invention is a clamp-like one for fixing the cable 6 to the fixed material 8 and is formed of, for example, a synthetic resin. ing. The holder 74 includes a plate-like support portion 74a installed on the surface 8a of the fixed material 8, and restraint portions 74b and 74b that are formed at one end and the other end of the support portion 74a to hold the cable 6. And the guides 74k, 74k, 74k that are installed between the restraining portions 74b, 74b to support the state in which the cable 6 meanders to bypass the pin 9, and the support portion 74a is directed downward. It consists of cylindrical shaft portions 74c and 74c which are provided so as to protrude and into which the pin 9 is inserted.
The support portion 74a is made of a plate-like member, and the restraint portions 74b and 74b, shaft portions 74c and 74c, and guides 74k, 74k, and 74k are integrally formed on the support portion 74a.
The constraining portions 74b and 74b are formed in a plate-like member projecting from the support portion 74a, a notch groove 74m formed in a substantially C shape for holding the cable 6, and both inner end portions of the opening portion of the notch groove 74m. The latching claws 74e and 74e are formed in the above.
The shaft portion 74c includes shaft portions 7c, 7c ′ (see FIG. 1), 71c (see FIG. 2 (a)), 72c (see FIG. 4), 73c (see FIG. 6) of the first to fourth embodiments. Are the same.
The cable 6, the pin 9, and the engagement hole 8 b of the fixed material 8 have the same shape as that described in the second embodiment, and are different in number.

Next, the operation of the cable fixing structure according to the fifth embodiment of the present invention will be described with reference to FIGS.
First, as shown in FIGS. 7 and 8, the cable 6 having the tube 6 c is inserted into the restraining portion 74 b and is held by the holder 74. The cable 6 is held in the U-shaped restraining portion 74b and is locked in a state where the cable 6 is disposed in the restraining portion 74b by the locking claw 74e.

  Next, the shaft portion 74 c of the holder 74 is inserted into the engagement hole 8 b of the fixed material 8. Further, the pin 9 is press-fitted into the through hole 74 d of the holder 74. Then, the tip portion 9e of the pin 9 presses the inner wall of the tapered through hole 74d to expand the diameter of the shaft portion 74c. Then, the thread-like convex portion 74 i formed on the outer peripheral surface of the shaft portion 74 c engages with the concave portion 8 c formed in the engaging hole 8 b of the fixed material 8. As a result, the pin 9 is firmly held in the holder 74 and is prevented from falling off by an external force such as vibration or impact.

[Sixth Embodiment]
Next, with reference to FIGS. 9 and 10, a cable fixing structure according to a sixth embodiment of the present invention will be described. The sixth embodiment of the present invention is characterized in that the holder is formed with a restraining portion made of an elastic locking piece for holding the cable and a protrusion that prevents the holder from moving. .

  FIG. 9 is a perspective view showing a cable fixing structure according to the sixth embodiment of the present invention. FIG. 10 is a longitudinal sectional view showing a cable fixing structure according to the sixth embodiment of the present invention.

As shown in FIGS. 9 and 10, the holder 75 in the sixth embodiment of the present invention is a clamp-like one for fixing the cable 6 to the fixed material 8, for example, a synthetic resin having elasticity. Is formed by. The holding tool 75 includes a plate-like support portion 75a installed on the surface 8a of the material 8 to be fixed, and a restraining portion 75b formed of one end portion of the support portion 75a and an elastic locking piece for holding the cable 6. A protrusion 75k that engages with a stopper hole 8d formed in the other end portion of the support portion 75a and formed in the fixed member 8, and a pin that protrudes downward from the center portion of the support portion 75a. 9 is formed of a cylindrical shaft portion 75c into which 9 is inserted.
The support portion 75a is made of a plate-like member, and a restraint portion 75b, a shaft portion 75c, and a protrusion 75k are integrally formed on the support portion 75a.
The restraining portion 75b is made of a plate-like member having a claw 75m with which the cable 6 is locked inside the tip in order to hold the cable 6 so as to hold it. The restraining portion 75b is made of an elastic locking piece having a U-shaped cross section and having elasticity.
The shaft portion 75c includes the shaft portions 7c, 7c ′ (see FIG. 1), 71c (see FIG. 2A), 72c (see FIG. 4), 73c (see FIG. 6) of the first to fifth embodiments, 74c (see FIG. 8).
The protrusion 75k is formed in a cylindrical shape, for example.

The cable 6, the pin 9, and the engagement hole 8 b of the fixed material 8 have the same shape as that described in the second embodiment, and are different in number.
Note that the engagement hole 8b and the stopper hole 8d are a blind hole or a through hole into which the protrusion 75k is engaged.

Next, the operation of the cable fixing structure according to the sixth embodiment of the present invention will be described with reference to FIGS. 9 and 10 together with the assembling procedure.
First, as shown in FIGS. 9 and 10, the cable 6 having the tube 6 c is inserted into the restraining portion 75 b and held by the holder 75. The cable 6 is held in the U-shaped restricting portion 75b and is locked in a state where the cable 6 is disposed in the restricting portion 75b by the claw 75m.

  Next, the shaft portion 75 c of the holder 75 is inserted into the engagement hole 8 b of the fixed material 8. Further, the pin 9 is press-fitted into the through hole 75 d of the holder 75. And the front-end | tip part 9e of the pin 9 presses the inner wall of the tapered through-hole 75d, and expands the diameter of the axial part 75c. Then, the thread-like convex portion 75 i formed on the outer peripheral surface of the shaft portion 75 c engages with the concave portion 8 c formed in the engaging hole 8 b of the fixed material 8. As a result, the pin 9 is firmly held in the holder 75 and is prevented from falling off by an external force such as vibration or impact.

  Thus, according to the sixth embodiment of the present invention, the cable 75 can be held with a single touch by forming the restraining portion 75b made of an elastic locking piece for holding the cable 6 in the holder 75. Moreover, the holder 75 can prevent the holder 75 attached to the fixed material 8 from being rotated by an external force by providing the protrusion 75k and the shaft portion 75c.

  The present invention is not limited to the first to sixth embodiments, and various modifications and changes can be made within the scope of the technical idea, and the present invention includes these modifications and changes. It goes without saying that

It is a figure which shows the fixing structure of the cable which concerns on 1st Embodiment of this invention, and is a perspective view which shows the wiring state of a cable. It is a figure which shows the fixing structure of the cable which concerns on 2nd Embodiment of this invention, (a) is sectional drawing which shows a state when a pin is inserted in a holder, (b) is a cable fixing material for a holder. Sectional drawing which shows a state when it inserts in (c), It is sectional drawing which shows a state when a pin is further pushed in to a holder. It is a disassembled perspective view which has a partial cross section which shows the fixing structure of the cable which concerns on 3rd Embodiment of this invention. It is a longitudinal cross-sectional view which shows the fixing structure of the cable which concerns on 3rd Embodiment of this invention. It is a top view which shows the fixing structure of the cable which concerns on 4th Embodiment of this invention. It is a longitudinal cross-sectional view which shows the fixing structure of the cable which concerns on 4th Embodiment of this invention. It is a top view which shows the fixing structure of the cable which concerns on 5th Embodiment of this invention. It is a side view which has a partial cross section which shows the fixing structure of the cable which concerns on 5th Embodiment of this invention. It is a perspective view which shows the fixing structure of the cable which concerns on 6th Embodiment of this invention. It is a longitudinal cross-sectional view which shows the fixing structure of the cable which concerns on 6th Embodiment of this invention. It is a perspective view which shows the installation state of the wheel speed sensor installed in the conventional vehicle, and the cable connected to the wheel speed sensor.

Explanation of symbols

2 Knuckles (fixed cables)
2b, 2c, 3a, 8b Engagement hole 3 Upper arm (cable to be fixed)
6 Cable 7, 7 ', 71, 72, 73, 74, 75 Holder 7b, 7b', 71b, 72b, 73b, 74b, 75b Restraining part 7c, 7c ', 71c, 72c, 73c, 73f, 74c, 75c Shaft part 71i, 72i, 73i, 74i, 75i Convex part 8 Fixed material (cable fixed material)
8c recess 9 pin

Claims (3)

A cable fixing structure for holding a cable to a cable fixing material by a holder,
The cable-fixed material has an engagement hole into which a shaft portion formed in the holder is inserted,
The holder includes a restraining portion that holds the cable, a cylindrical shaft portion that expands when a pin is inserted, and a support portion that is fixed to the cable fixing material by the pin. And
The shaft portion has a tapered outer shape, is inserted into the engagement hole, and the pin is inserted into a through hole formed in the shaft portion, whereby the inner surface of the engagement hole is formed. The outer peripheral surface of the shaft portion is fitted in pressure contact with
The inner wall of the through hole has a large diameter portion slightly larger than the diameter of the pin, a medium diameter portion formed on the distal end side of the large diameter portion and slightly smaller than the diameter of the pin, and A small-diameter portion formed on the distal end side is formed, and when the pin is pushed into the through-hole, the large-diameter portion, the medium-diameter portion, and the small-diameter portion are respectively pressed against the pin ,
A cable fixing structure , wherein a plurality of the restraining portions are formed on the support portion, and a guide for supporting the cable in a meandering state is installed between the plurality of restraining portions . A cable fixing structure for holding a cable to a cable fixing material by a holder,
The cable-fixed material has an engagement hole into which a shaft portion formed in the holder is inserted,
The holder includes a restraining portion that holds the cable, a cylindrical shaft portion that expands when a pin is inserted, and a support portion that is fixed to the cable fixing material by the pin. And
The shaft portion has a tapered outer shape, is inserted into the engagement hole, and the pin is inserted into a through hole formed in the shaft portion, whereby the inner surface of the engagement hole is formed. The outer peripheral surface of the shaft portion is fitted in pressure contact with
The inner wall of the through hole has a large diameter portion slightly larger than the diameter of the pin, a medium diameter portion formed on the distal end side of the large diameter portion and slightly smaller than the diameter of the pin, and A small-diameter portion formed on the distal end side is formed, and when the pin is pushed into the through-hole, the large-diameter portion, the medium-diameter portion, and the small-diameter portion are respectively pressed against the pin,
The restraint portion is installed on one end side of the support portion,
On the other end side, a protrusion to be inserted into a stopper hole drilled in the cable-fixed material is provided,
The cable fixing structure , wherein the shaft portion is disposed between the restraining portion and the protrusion . The cable-fixed material has a recess formed in the engagement hole,
3. The cable fixing structure according to claim 1, wherein the holder is formed with a convex portion that engages with the concave portion on an outer peripheral surface of the shaft portion. 4.

Images