JP6434316B2 - Sliding structure of sliding protector and sliding support - Google Patents

Description

  The present invention relates to a sliding protector for power feeding that is slidably locked to a guide rail on a floor side with respect to a slide seat of an automobile, for example, and a sliding structure of a sliding support having the sliding protector.

  Conventionally, in order to always supply power to a slide seat of an automobile, a slide support of the slide seat and a slide protector (sliding protector) assembled to the slide support are provided on a guide rail disposed on the vehicle floor. It is known that the wire harness is slidably engaged and a wire harness is routed from the vehicle floor side through the sliding protector to the slide seat side to always supply power (for example, Patent Document 1).

  By the way, there is a possibility that foreign matter may enter the above-described guide rail. When foreign matter enters the guide rail, the foreign matter may collide with the sliding protector and be damaged.

  In order to prevent the sliding protector from being damaged, for example, it has been proposed to provide a protector protection part that sandwiches the sliding protector between the sliding support and the foreign object to collide with the sliding protector. (Patent Document 2). However, in this prior art, a protector protection part is separately required, and the number of parts increases.

  In addition, it has been proposed to provide inclined surface portions on both sides in the sliding direction of the groove portion (guide rail), and to push out foreign matter that has been moved to the inclined surface portion by being pushed by the sliding protector along the inclined surface portion. 3). However, in this prior art, it is necessary for the sliding protector to push out the foreign matter up to the inclined surface portion of the groove. Eventually, the sliding protector and the foreign matter collide, and the sliding protector may be damaged.

Japanese Patent No. 5451274 Japanese Patent No. 5249871 JP 2013-141844 A

  Then, this invention makes it a subject to provide the sliding structure of the sliding protector which aimed at the damage prevention by the collision with a foreign material, and a sliding protector.

  The invention according to claim 1, which has been made to solve the above-mentioned problems, is a sliding protector that is slidably engaged with a guide rail and accommodates an electric wire, and protrudes from between the guide rails. A wire lead-out portion provided on one side in the width direction of the guide rail, and a first inclined surface portion and a second inclined surface portion provided at one end portion in the sliding direction, The first inclined surface portion is provided at least partially in the guide rail, and is inclined to the other end portion side in the sliding direction toward the projecting direction of the wire lead-out portion. An inclined surface portion is provided closer to the protruding direction than the first inclined surface portion, and is inclined to the other end portion side in the sliding direction toward the other side in the width direction. Movement It resides in the protector.

  According to a second aspect of the present invention, the second inclined surface portion is provided continuously to the first inclined surface portion, and is provided so that an inclination angle with respect to the width direction becomes larger toward the protruding direction. It exists in the sliding protector of Claim 1 characterized by the above-mentioned.

  The invention according to claim 3 is characterized in that the second inclined surface portion is provided to be inclined toward the other end portion side in the sliding direction toward the protruding direction of the wire lead-out portion. Or it exists in the sliding protector of 2.

  The invention according to claim 4 is the sliding protector according to any one of claims 1 to 3, a guide rail on which the sliding protector is slidably locked, and the sliding protector in the sliding direction. And a sliding support body connected to the other end side and slidably locked to the guide rail.

  As described above, according to the first and fourth aspects of the present invention, at least a part of the first inclined surface portion provided at the one end portion in the sliding direction is provided in the guide rail, and the protrusion of the wire lead-out portion is provided. As it goes in the direction, it is inclined to the other end side in the sliding direction. Therefore, when the sliding protector is slid to one end in the sliding direction and the first inclined surface collides with the foreign matter that has entered the guide rail, the foreign matter slides in the protruding direction along the first inclined surface portion. . For this reason, the impact at the time of colliding with a foreign object becomes weak, and the damage by the collision with a foreign object can be prevented. Moreover, since the foreign matter slides in the protruding direction, it can be discharged out of the guide rail. Further, the second inclined surface portion provided at the one end portion in the sliding direction is provided on the projecting direction side from the first inclined surface portion, and is inclined toward the other end portion side in the sliding direction toward the other side in the width direction. Is provided. Therefore, the foreign matter discharged | emitted out of the guide rail along the 1st inclined surface part slides toward the width direction other side along the 2nd inclined surface part. The other side in the width direction is opposite to the opening through which the electric wire is led out, and foreign matter can be discharged to the opposite side of the electric wire, so that the electric wire can be protected from the foreign matter.

  According to the second aspect of the present invention, the second inclined surface portion is provided continuously with the first inclined surface portion, and is provided so that the inclination angle with respect to the width direction increases as it goes in the protruding direction. Therefore, the foreign matter discharged | emitted out of the guide rail along the 1st inclined surface part can be discharged more smoothly to the other side of the width direction along the 2nd inclined surface part.

  According to invention of Claim 3, the 2nd inclined surface part inclines and is provided in the other end part side of the slide direction as it goes to the protrusion direction of an electric wire derivation | leading-out part. Therefore, the foreign matter discharged | emitted out of the guide rail along the 1st inclined surface part can be prevented from returning in the guide rail.

It is a top view which shows one Embodiment of the sliding structure of the sliding protector of this invention. It is the II sectional view taken on the line of FIG. (A) And (B) is a left-right perspective view which shows one Embodiment of the sliding protector shown in FIG. (A) And (B) is a left-right side view of the sliding protector shown in FIG. It is a front view of the sliding structure of the sliding protector shown in FIG. It is a top view of the sliding protector shown in FIG. (A) And (B) is a schematic side view and schematic top view of the sliding protector shown in FIG.

  1 to 7 show an embodiment of a sliding protector and a sliding structure of the sliding protector according to the present invention.

  As shown in FIGS. 1 and 2, the sliding protector 1 is slidably locked to a guide rail 16 for a slide seat disposed on a vehicle floor, for example. The longitudinal direction of the guide rail 16 is arranged along the longitudinal direction of the vehicle, and the sliding protector 1 is slidable along the longitudinal direction (= sliding direction) of the vehicle.

  As shown in FIG. 3 and FIG. 4, the sliding protector 1 is sandwiched between a pair of harness holding parts 2 arranged in the left and right (= width direction) and a pair of harness holding parts 2 using synthetic resin as a material. It has a central harness lead-out portion 4 (= electric wire lead-out portion) that connects the lower portions of the inner wall portion 3a. The sliding protector 1 according to the present embodiment inclines a hem wall 4e and a wall portion 4c, which will be described later, at the front end of the harness lead-out portion 4 in order to discharge the foreign matter that has entered the guide rail 16 to the outside of the guide rail 16. It is characterized by that.

  As shown in FIGS. 3 and 4, each harness holding portion 2 is composed of upper, lower, left and right wall portions, ie, peripheral walls 3, whose outer peripheral surface is formed in a rectangular cylindrical shape and whose inner peripheral surface is formed in a circular or oval shape. The upper and lower and outer wall portions 3b to 3d are formed in a U-shaped cross section and can be divided with respect to the inner wall portion 3a. On the inner peripheral surface of the horizontal hole 7 on the inner side of the peripheral wall 3, a concave groove in the circumferential direction of a corrugated tube (protective tube) (not shown) made of a synthetic resin (not shown) that houses a wire harness W composed of a plurality of electric wires. A rib 7a that engages the (valley) is formed to protrude.

  With each harness holding part 2 divided into left and right, the end of each corrugated tube is assembled in the hole 7 of the harness holding part 2, and the harness holding part 2 is unitedly locked to hold the corrugated tube.

  The hole 7 of each harness holding part 2 penetrates in the front-rear direction. The wire harness W (FIG. 1) led rearward from the end portion of the corrugated tube is folded forward, for example, along the lower guide wall 9 provided at the rear end of the harness holding portion 2, and is hollow in the center. The harness lead-out portion 4 is introduced into the harness lead-out portion 4 from the lower rear opening (not shown) of the harness lead-out portion 4, and extends along the upper guide wall 11 from the upper side opening 10 (= opening) of the harness lead-out portion 4. It is led out to the outside and routed to the slide sheet (not shown). The upper opening of the harness lead-out portion 4 is closed with a cover 12.

  As shown in FIGS. 3 to 6, the harness lead-out portion 4 protrudes from between the guide rails 16, and each electric wire (not shown) is led out from the side opening 10 provided on the left side (= one side in the width direction). The harness lead-out portion 4 includes left and right vertical and wide walls 4a and 4b, front and rear narrow walls 4c and 4d, front and left and right bottom walls 4e and 4f, and an upper cover 12. Each hem wall 4e, 4f is integrally connected to a left and right horizontal connecting wall 4g connecting the pair of left and right harness holding portions 2 and a front inclined connecting wall 4h.

  The skirt wall 4e (= first inclined surface portion) at the front end portion (= one end portion in the sliding direction) is provided in the guide rail 16. The skirt wall 4e is provided so as to be inclined toward the rear end side (= the other end side in the sliding direction) toward the upper side (= projection direction). Further, as shown in FIG. 5, the bottom wall 4 e has an upper end provided on a lower side (= opposite side to the protruding direction) of the guide rail 16, which will be described later, and a lower end of the pair of harness holding portions 2. It is provided below the lower end of. The skirt wall 4e is inclined at a constant inclination angle θ1 from the lower end to the upper end. The inclination angle θ1 (FIG. 7B) of the skirt wall 4e is set at 50 °, for example.

  The connecting wall 4h continuous with the skirt wall 4e is also inclined and provided in the same manner as the skirt wall 4e. In the present embodiment, the bottom wall 4e and the connecting wall 4h are provided at the same inclination angle and are in the same plane.

  The wall 4b on the left side is provided with the side opening 10 and a guide wall 11 protruding from the edge of the side opening 10.

  The wall portion 4c (= second inclined surface portion) on the front side portion is provided on the upper side of the skirt wall 4e so as to be continuous with the skirt wall 4e, and is provided outside the guide rail 16. The wall 4c is provided to be inclined toward the rear end as it goes to the right side (= the other side in the width direction). The wall part 4c is provided so that the inclination angle with respect to the left-right direction (= width direction) increases toward the upper side. In the present embodiment, the inclination angle is 0 ° at the lower end of the wall portion 4c, and the maximum inclination angle θ2 (FIG. 7A) is provided at 45 °, for example. Further, the wall 4c is provided to be inclined toward the rear end portion as it goes upward.

  As described above, in order to provide the wall portion 4c so as to be inclined toward the rear end portion as it goes to both the right side and the upper side, as shown in FIG. It is provided along the direction. On the other hand, the front end 4b1 of the wall 4b on the right side is provided so as to be inclined toward the rear end as it goes upward. That is, the lower ends of the front ends 4a1 and 4b1 of the wall portions 4a and 4b are at the same position in the front-rear direction, but the front end 4b1 of the wall portion 4b is positioned closer to the rear end portion side than the front end 4a1 of the wall portion 4a as it goes upward. . The wall 4c is provided between the front end 4a1 of the wall 4a and the front end 4b1 of the wall 4b.

  As described above, the skirt wall 4e provided at the front end portion of the sliding protector 1 is provided in the guide rail 16, and is inclined toward the rear end portion as it goes upward. Therefore, when the sliding protector 1 is slid to the front end side and the bottom wall 4e collides with the foreign matter that has entered the guide rail 16, the foreign matter slides upward along the inclination of the bottom wall 4e. For this reason, the impact at the time of colliding with a foreign object becomes weak, and the damage by the collision with a foreign object can be prevented. Moreover, since the foreign matter slides upward, it can be discharged out of the guide rail 16.

  Moreover, the wall part 4c provided in the front-end part of the sliding protector 1 is provided above the skirt wall 4e, and is inclined and provided in the rear-end part side toward the right side. Therefore, the foreign matter discharged toward the upper side along the bottom wall 4e and discharged out of the guide rail 16 slides toward the right side along the wall portion 4c. The right side is opposite to the side opening 10 from which the wire harness W is led out, and foreign matter can be discharged to the opposite side of the wire harness W, so that the wire harness W can be protected from the foreign matter.

  Further, the skirt wall 4e is provided continuously with the wall portion 4c, and is provided such that the inclination angle with respect to the left-right direction increases as it goes upward. Therefore, the foreign matter discharged toward the upper side along the bottom wall 4e and out of the guide rail 16 can be discharged more smoothly along the wall portion 4c to the right side.

  Moreover, the wall part 4c is inclined and provided in the rear-end part side toward the upper side. Therefore, foreign matter discharged out of the guide rail 16 along the bottom wall 4 e can be prevented from returning into the guide rail 16.

  As shown in FIG. 2, the above-described sliding protector 1 is in contact with a seat rail stopper 30 provided on the guide rail 16, and its movement range in the front-rear direction is restricted. The seat rail stopper 30 is provided in a flat plate shape, and is disposed perpendicular to the left-right direction between a pair of groove portions 21 (FIG. 5) into which the pair of harness holding portions 2 are inserted in the guide rail 16. As a result, the seat rail stopper 30 comes into contact with the bottom wall 4 e of the sliding protector 1.

  The seat rail stopper 30 is flexibly provided in the vertical direction and the horizontal direction in order to reduce the impact at the time of contact with the sliding protector 1. The skirt wall 4e abuts on the guide rail 16 so that not only the foreign matter described above but also the tip of the guide rail 16 can be slid upward. Further, the wall 4c guides the tip end of the guide rail 16 that has been slid on the bottom wall 4e and moved to the upper side to the right side, that is, the side opposite to the wire harness W, and does not damage the wire harness W.

  The seat rail stopper 30 is provided with an inclined portion 30a that is inclined upward as the lower side of the front end approaches the sliding protector 1. Thereby, it can slide to upper side along the skirt wall 4e still more smoothly.

  A pair of guide walls 9 project from the wall 4d at the rear end. The pair of guide walls 9 are provided side by side in the left-right direction. The cover 12 is locked to the wall 4a.

  As shown in FIG. 4, a concave groove portion 15 is formed in the upper wall 3 b that is horizontal behind the middle in the front-rear direction of each harness holding portion 2, and a substantially W-shaped spring member in side view at the upper end portion of the inner surface of the concave groove portion 15. The front and rear ends of 5 are integrally connected. The spring member 5 and the recessed groove portion 15 constitute a backlash suppressing portion 6.

  The sliding protector 1 is slidably engaged with the guide rail (seat rail) 16 on the vehicle floor side in FIGS. 1 and 2, so that the center of the spring member 5 is bent downward, and is clearer than in the free state. It deforms into a shape. Therefore, the spring member 5 is pressed against the upper inner surface (inner surface) 16 a (FIG. 5) of the guide rail 16 to suppress the play of the sliding protector 1.

  As shown in FIG. 1 and FIG. 2, the front synthetic resin sliding protector 1 and the rear seat sliding metal support 17 are integrated with a horizontal metal guide rail 16 on the vehicle floor side. Engage slidably. As shown in FIG. 2, the sliding protector 1 is connected and fixed to the front end portion 17 a of the sliding support 17. The sliding support 17 is connected and fixed to the lower part of a slide sheet (not shown).

  As shown in FIG. 5, the guide rail 16 includes an upper wide portion 18 and a lower narrow portion 19, and the upper wide portion 18 has a slit 20 at the center in the left-right direction and left and right groove portions 21. The groove portion 21 is surrounded by a vertical outer wall portion 18a, upper and lower horizontal wall portions 18b and 18c, and an inner wall portion 18d suspended from the upper wall portion 18b. On the lower side, an inner opening 18e that communicates the central slit 20 and the groove 21 is provided. The lower narrow portion 19 communicates with the slit 20 and is formed in a downward convex shape. The bottom wall 19a of the narrow portion 19 has a hole (not shown) for fixing to the vehicle floor.

  A pair of left and right harness holding portions 2 of the sliding protector 1 are inserted into the left and right groove portions 21 of the guide rail 16, and the skirt walls 4 e and 4 f of the harness lead-out portion 4 raised at the center of the sliding protector 1 are guide rails 16. The wall portions 4 a to 4 d of the harness lead-out portion 4 are disposed so as to protrude above the slit 20.

  As shown in FIG. 6, a notch (not shown) on the front end portion 17a side of the sliding support 17 is engaged with the convex portion 9a of the guide wall 9 on the rear end portion side of the slide protector 1 so Connected and fixed. Rollers (not shown) provided on the left and right lower side surfaces of the sliding support 17 are rotatably in contact with the upper and lower inner wall surfaces 16 a and 18 c of the left and right groove portions 21 of the guide rail 16.

  As shown in FIG. 1, a synthetic resin or metal wire housing portion 27 of the power feeding device 26 is disposed along the guide rail 16. The electric wire accommodating portion 27 is composed of a horizontally long straight portion 28 and a wide semicircular portion 29 disposed on the front end side thereof. The straight portion 28 is disposed along the guide rail 16 on the left side of the guide rail 16. The semicircular portion 29 is disposed on the front side of the straight portion 28 and the guide rail 16.

  The wire harness W is folded back and accommodated in a U-shape in the straight portion 28 of the electric wire accommodating portion 27 (the folded portion is disposed rearward), and one of the wire harnesses W is curved backward at a semicircular portion 29. After being folded back and following the sliding protector 1, the other side of the wire harness W is routed from the sliding portion 1b on the front side of the semicircular portion 29 to the vehicle floor. Routed along. The sliding protector 1, the electric wire housing portion 27, and the wire harness constitute a power feeding device 26.

  As the slide sheet (not shown) advances and retracts, the slide protector 1 advances and retracts integrally with the slide support 17 connected to the sheet. When the seat retreats, the wire harness W recedes linearly in the guide rail 16 integrally with the sliding protector 1, the wire harness W in the straight portion 28 of the wire accommodating portion 27 is shortened, and the seat advances. At this time, the wire harness W moves forward in the guide rail 16 integrally with the sliding protector 1, and the wire harness W in the straight portion 28 of the wire accommodating portion 27 extends. The electric wire accommodating part 27 acts as a harness surplus length absorbing part.

  According to the above-described embodiment, the upper end of the bottom wall 4e is provided below the wall portion 18b of the guide rail 16, and the entire bottom wall 4e is provided in the guide rail 16. However, the present invention is not limited to this. Not a thing. As for the bottom wall 4e, a part of the lower side may be provided in the guide rail 16, and the upper side may protrude outside the guide rail 16.

  In the above-described embodiment, the inclination angle θ1 of the skirt wall 4e is set to 50 °. However, the present invention is not limited to this. The inclination angle θ1 may be an angle that allows the foreign matter to slide upward when it comes into contact with the foreign matter.

  Further, according to the above-described embodiment, the inclination angle θ1 of the skirt wall 4e is constantly provided from the lower end to the upper end. However, the present invention is not limited to this. For example, the bottom wall 4e may be provided so that the inclination angle θ1 increases toward the upper side.

  Moreover, according to embodiment mentioned above, although the wall part 4c inclined and provided in the rear-end part side as it goes to both the left side and the upper side, it is not restricted to this. The wall 4c may be inclined toward the rear end as it goes to the left side, and may not be inclined toward the rear end as it goes upward.

  Further, according to the above-described embodiment, the wall portion 4c has an inclination angle with respect to the left-right direction that increases toward the upper side, and the maximum inclination angle θ2 is set to 45 °. However, the present invention is not limited to this. The maximum inclination angle θ2 may be an angle at which the foreign matter is discharged to the opposite side to the wire harness W when it comes into contact with the foreign matter.

  Moreover, according to embodiment mentioned above, although the wall part 4c was provided so that the inclination angle with respect to the left-right direction might become large toward the upper side, it is not restricted to this. The wall 4c may be inclined toward the rear end as it goes to the left, and the inclination angle with respect to the left-right direction may be constant from the lower end to the upper end.

  Further, according to the above-described embodiment, the sliding protector 1 and the sliding support 17 are connected in the front-rear direction and are slidably locked in the same guide rail 16, but are not limited thereto. . For example, it is also conceivable that the sliding protector 1 and the sliding support 17 are slidably locked in separate guide rails 16. In this case, both ends in the front-rear direction of the sliding protector 1 can be inclined.

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

1 Sliding protector 4 Harness lead-out part (wire lead-out part)
4c Wall part (2nd inclined surface part)
4e Bottom wall (first inclined surface)
16 Guide rail 17 Sliding support body W Wire harness (electric wire)

Claims (4)

A sliding protector that is slidably locked to the guide rail and accommodates the electric wire,
An electric wire lead-out portion that protrudes from between the guide rails and that has an opening for leading the accommodated electric wire to the outside on one side in the width direction of the guide rail;
A first inclined surface portion and a second inclined surface portion provided at one end in the sliding direction,
The first inclined surface portion is provided at least partially in the guide rail and inclined toward the other end portion side in the sliding direction as it goes in the protruding direction of the wire lead-out portion,
The second inclined surface portion is provided closer to the projecting direction than the first inclined surface portion, and is inclined to the other end portion side in the sliding direction toward the other side in the width direction. Characteristic sliding protector. The second inclined surface portion is provided continuously with the first inclined surface portion, and is provided so that an inclination angle with respect to the width direction increases as it goes in the protruding direction. The sliding protector described in 1. 3. The sliding protector according to claim 1, wherein the second inclined surface portion is provided to be inclined toward the other end portion side in the sliding direction toward the protruding direction of the wire lead-out portion. . The sliding protector according to any one of claims 1 to 3,
A guide rail on which the sliding protector is slidably locked;
A sliding support coupled to the other end of the sliding protector in the sliding direction and slidably locked to the guide rail;
A sliding structure of a sliding support, comprising:

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