JP2021041835A - Assist grip - Google Patents

Abstract

To provide an assist grip which has a simple structure, achieves good assembly workability, and can attain high attachment strength.SOLUTION: An assist grip includes: a grip body 1 in which attachment parts 2 each having an attachment hole are provided at both ends; bolts 6, each of which is inserted into the attachment hole 5 and has a flange 61 at a head part; and bushes 7, each of which is inserted into a space between the bolt 6 and the attachment hole 5 and has a flange 71. An engagement holding part 10 which holds the bolt 6 inserted into the attachment hole 5 in a predetermined position is provided at an attachment recessed part 3 of the attachment part 2. A press-fit holding part 13 is provided that holds the bush 7, which is externally fitted on the bolt 6 and press-fitted in the attachment hole 5, in the attachment hole 5.SELECTED DRAWING: Figure 1

Description

The present invention relates to an assist grip mounted in a vehicle interior, and more particularly to an assist grip which is a fixed type tightened by bolts and nuts and has excellent assembly workability.

Inside the vehicle interior, assist grips that the occupant grips and uses when necessary are attached to each part. As this type of assist grip, a fixed type assist grip has been conventionally proposed, for example, in Patent Document 1 below.

This assist grip is provided with mounting portions having mounting holes at both ends of the grip body, and mounting bolts are inserted into the mounting portions to provide mounting holes for the vehicle panel on the ceiling or side wall of the vehicle interior. It is tightened and fixed with nuts. When installing the assist grip, first, apply the mounting parts on both sides of the assist grip to the mounting holes on the vehicle panel, insert the bolts from the front side (grip body side) into the mounting holes together with the bush and washer, and the tip of the bolt is on the back side. In the protruding state, screw the nut from the back side to the tip of the bolt. Then, the nut is tightened and fixed to the bolt, and the assist grip is attached to a predetermined position in the vehicle interior.

Japanese Unexamined Patent Publication No. 2016-153287

However, when installing this assist grip, insert the bush and washer of small parts into the bolt, insert the bolt into the mounting hole from the front side (grip body side), and with the bolt tip protruding to the back side, insert the nut from the back side. It is necessary to screw it into the tip of the bolt and tighten it to fix it.

Therefore, when attaching the assist grip to the vehicle body panel, the operator inserts the bush and washer, which are small parts separate from the grip body, into the bolt, and inserts the tip of the bolt into the panel mounting hole from the front side. In addition, there is a problem that the work efficiency tends to be lowered due to the complicated assembling work of screwing the nut from the back side into the tip of the bolt.

Further, as an assist grip for injection molding a grip body, there is known an assist grip manufactured by insert molding a mounting bolt into a mounting portion of the grip body and projecting the mounting bolt from the grip body. The assist grip, which has a structure in which the mounting bolt is insert-molded into the grip body, insert-molds the core material into the grip in order to increase the strength, but it is necessary to weld the mounting bolt to the core material, which increases the welding cost. On the other hand, an assist grip in which the skin is insert-molded on the surface of the grip body is also known for the purpose of improving the appearance and grip comfort of the grip body, but there is a problem in the appearance and grip comfort.

In view of the above points, the present invention provides an assist grip having a simple configuration, good assembly workability, high mounting strength, excellent design, and improved grip comfort. The purpose is to do.

The assist grip according to the present invention is
In the assist grip that is tightened and fixed to the vehicle body panel using bolts and nuts
Grip body and
Bolts to be inserted into the mounting holes of the mounting portions provided at both ends of the grip body,
A bush that is externally fitted to the bolt and inserted into the mounting hole,
With
The mounting portion has a mounting recess provided with a tightening seat surface.
The bolt is loosely insertable into the mounting hole and has a flange on the head that abuts on the tightening seat surface.
The bush has a flange at the end and is inserted into the mounting hole from the opposite side of the mounting recess.

Here, in the above, a locking holding portion for holding the bolt inserted in the mounting hole at a predetermined position is provided in the mounting recess, and a press-fitting holding portion for holding the bush outerly fitted in the bolt in the mounting hole is provided. It is preferable to provide it.

According to the assist grip of the present invention, a bolt with a flange is inserted into the mounting hole in advance in the mounting recess of the mounting portion of the grip body, and the bush is inserted and press-fitted from the opposite side of the mounting recess, that is, the tip side of the bolt. A bush with a flange can be held by the press-fitting holding portion of the mounting hole so that the tip end side of the bolt protrudes to the bottom surface side of the mounting portion.

For this reason, a worker who installs the assist grip in the vehicle interior puts the bottom side of the mounting portion of the assist grip on the mounting part of the vehicle body panel, inserts the tip of the bolt into the mounting hole of the vehicle body panel, and displays the panel. The assist grip can be installed efficiently and easily by simply screwing the nut into the tip of the bolt from the back side and tightening it. Further, since the mounting portion of the grip body and the vehicle body panel are sandwiched between the flange of the bolt and the flange of the bush and fixed by tightening, the assist grip can be fixed to the vehicle body panel with high strength.

Here, in the assist grip, the locking holding portion is provided with a locking groove in the mounting recess, the notch is provided in the flange of the bolt, and the edge of the notched portion of the flange is locked in the locking groove. It is preferable to have a configuration in which the flange is held. As a result, the bolt can be easily temporarily fixed in place with the bolt inserted into the mounting hole, and when the nut is screwed into the bolt and tightened, co-rotation is prevented and work efficiency during assembly is improved. Can be raised.

Further, here, the mounting hole of the mounting portion is formed in a substantially oval shape so that the bolt can move in the direction perpendicular to the axis and in the major axis direction, and the locking groove of the locking holding portion is the mounting portion. The flange may be provided in parallel with the tightening seat surface of the mounting recess, and the flange may move the tightening seat surface in the major axis direction so that the flange is locked in the locking groove.

According to this, a bolt with a flange can be inserted into the mounting hole in the mounting recess of the mounting portion of the grip body, the flange of the bolt can be slid and moved, and the flange can be easily locked in the locking groove. In that state, the bush can be inserted from the tip end side of the bolt, and the tip end side of the bolt can be projected toward the bottom surface side of the mounting portion.

Further, here, it is preferable to provide a fine convex portion inside the locking groove and provide a positioning rib for positioning the flange of the bolt on the tightening seat surface in the mounting recess. According to this, when the flange of the bolt is slid into the locking groove, the bolt can be stably held at a fixed position without rattling.

Further, in the assist grip, the press-fitting holding portion for press-fitting and holding the bush may have a configuration in which a plurality of convex ribs are provided on the inner peripheral surface of the mounting hole of the mounting portion. Further, the mounting hole of the mounting portion has a flat surface on the inside, a flat surface corresponding to the flat surface of the mounting hole is provided on the outer peripheral portion of the bush, and the bush is press-fitted into the mounting hole so as to be prevented from rotating. It can be configured as such.

According to this, when temporarily fixing the bolt and the bush to the mounting portion, the bush can be press-fitted into the mounting hole while being fitted on the outside of the bolt, and the bolt can be easily fixed at the center position of the mounting hole. Further, when finally tightening the nut to fix the assist grip, it is possible to prevent the bush from rotating together and firmly tighten and fix it.

Further, here, a mounting convex portion is provided on the bottom surface of the mounting portion, a locking claw is provided on the side end portion of the mounting convex portion, and when the mounting convex portion is inserted into the mounted concave portion on the vehicle body side, the mounting convex portion is covered. The locking claws can be locked and temporarily fixed to the locking portion provided in the mounting recess. According to this, when the assist grip is mounted in the vehicle interior, the mounting convex portion of the mounting portion is inserted into the mounted recess on the vehicle body side, and the locking claw is locked to the locking portion of the mounted recess to lock the assist grip. Can be temporarily fixed in place, and in that state, the nut can be screwed into the bolt and easily tightened and fixed.

Further, here, a cover covering the mounting recess is attached to the mounting portion, and a cushion material is inserted around the grip body and the outer peripheral portion of the cover so that the skin is wound around the grip body and the outer peripheral portion of the cover. According to this, even if the structure is such that the cover is provided on the mounting portion, the entire grip including the mounting portion and the cover is covered with the skin in the product state in which the skin is wrapped, so that the outline of the cover does not appear and the assist grip is used. It is possible to improve the design of the product and give it a luxurious feel.

According to the assist grip of the present invention, assembling workability is good, high mounting strength can be obtained, and the degree of freedom in design is high. Welding for welding mounting bolts to a metal core material, which has been conventionally required. No process is required, and the manufacturing cost can be reduced.

It is a front view of the assist grip which shows one Embodiment of this invention. It is a left side view of the assist grip. It is a perspective view of the assist grip. It is a perspective view seen from another angle of the assist grip. It is an exploded perspective view of the assist grip. It is a perspective view of the assist grip with the cushion material and the skin removed. It is an exploded perspective view of one mounting part. It is an exploded perspective view of the mounting part which changed the viewing angle. A is a side view of the bolt, B is a perspective view of the bolt, and C is a perspective view of the bolt with different viewing angles. A is a side view of the bush, B is a perspective view of the bush, and C is a perspective view of the bush with different viewing angles. A is a side view of the cover, B is a perspective view of the cover, and C is a perspective view of the cover as seen from the back surface side. A is an explanatory plan view showing the sliding movement of the flange of the bolt, and B is an explanatory plan view when the flange of the bolt is moved to a fixed position. It is a partially enlarged perspective view which shows the fine convex part of a locking groove. It is a partial cross-sectional explanatory view which shows the slide movement of a bolt. It is sectional drawing in the state which the bolt is slid and moved, the bush is fitted, and the cover is covered. It is a partial cross-sectional view of the assist grip in the state attached to the body panel. It is sectional drawing in the lateral direction of the attachment part in the assist grip.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 to 5 show a fixed assist grip that is fastened and fixed to a vehicle body panel using bolts and nuts in the vehicle interior.

As shown in FIG. 5, the assist grip is attached to the grip body 1 which is a portion to be gripped by the occupant, the bolt 6 to be inserted into the mounting holes 5 of the mounting portions 2 provided at both ends of the grip body 1, and the bolt 6. A bush 7 inserted between the hole 5 and the bush 7 is provided. Mounting recesses 3 are provided in the mounting portions 2 at both ends, and the cover 9 is put on the mounting recesses 3. The skin 19 is wrapped around the entire grip body 1 including the cover 9 via the cushion material 18.

The grip body 1 is integrally molded with, for example, glass fiber reinforced synthetic resin together with the mounting recesses 3 of the mounting portions 2 on both sides, the mounting holes 5 inside the grip main body 1, and the mounting convex portions 4 at the bottom. Since the grip body 1 is integrally molded with fiber reinforced synthetic resin, the shape of the grip body 1 can be changed to, for example, the grip portions on both sides of the mounting portions 2 as compared with the case of insert molding using a conventional metal core material as an insert. On the other hand, as shown in FIG. 2 and the like, it can be provided at a lower inclination angle. This has the advantage that the degree of freedom in designing the assist grip can be increased.

The configuration of the mounting portion 2 including the mounting recesses 3, the mounting holes 5, the mounting convex portions 4 and the cover 9 provided at both ends is vertically symmetrical (when both ends are arranged horizontally, it is symmetrical) on both sides. Parts having the same shape will be described with the same name and with the same reference numerals in the drawings.

As shown in FIGS. 7 and 8, a tightening seat surface 31 is provided in the mounting recesses 3 of the mounting portions 2 on both sides, and a mounting hole 5 is provided in the direction perpendicular to the tightening seat surface 31. It is installed in the center. The tightening seat surface 31 is provided so as to be positioned substantially parallel to the mounted surface of the vehicle body panel BP when the assist grip is attached to the vehicle body panel BP (FIG. 16). The mounting hole 5 is formed through the mounting convex portion 4 projecting from the bottom surface side of the mounting portion 2. As shown in FIG. 16, the mounting convex portion 4 is fitted and mounted in the mounted concave portion provided on the decorative trim in the vehicle interior on the outside of the vehicle body panel BP.

As shown in FIGS. 7 and 8, a bolt 6 having a flange 61 on the head is inserted into the mounting hole 5 from above the mounting recess 3. The mounting hole 5 is formed in a substantially oval shape so that the bolt 6 can move in the direction perpendicular to the axis and in the major axis direction. The bolt can be loosely inserted into the mounting hole 5, and the flange 61 of the bolt 6 comes into contact with the tightening seat surface 31 and can slide from the insertion position toward the back.

A locking holding portion 10 for holding the bolt 6 inserted into the mounting hole 5 at a predetermined position is provided in the mounting recess 3. Since the flange 61 of the bolt 6 is located on the tightening seat surface 31 and is slidable, the locking holding portion 10 is inside the mounting recess 3 so as to lock and hold the position of the flange 61 at a predetermined position. Locking protrusions 11 are provided on both sides, and locking grooves 12 are provided inside the locking protrusions 11. The locking convex portion 11 has a locking groove 12 inside, and is provided so as to be overhanged when viewed from above the mounting recess 3.

The locking groove 12 serving as the locking holding portion 10 is provided in parallel with the tightening seat surface 31 of the mounting recess 3, and the flange 61 of the bolt 6 moves the tightening seat surface 31 in the major axis direction to engage the flange 61. It has a structure that is locked to the stop groove 12. For this purpose, as shown in FIG. 9, notches 62 notched in a rectangular shape are provided on both sides of the flange 61 of the bolt 6, and the edge 63 of the notch 62 is locked to the locking convex portion 11. ..

That is, when the bolt 6 is inserted into the mounting hole 5 from above and slid to the back side (positioning rib 32 side), the edge 63 of the notch 62 of the flange 61 is locked in the locking groove 12. , The bolt 6 will be held in place. Further, as shown in FIG. 12A, a positioning rib 32 for positioning the flange 61 of the bolt 6 is provided on the tightening seat surface 31 in the mounting recess 3. When the flange 61 of the bolt 6 slides inward on the tightening seat surface 31 and becomes as shown in FIGS. 12A and 12B, the flange 61 comes into contact with the positioning rib 32 and is positioned.

Further, as shown in FIG. 13, a fine convex portion 12a is provided inside the locking groove 12. The fine convex portion 12a can be crushed when the edge portion 63 of the flange 61 enters the locking groove 12 and is locked. As a result, even if the flange 61 and the locking groove 12 have dimensional variations within the dimensional tolerance, the flange 61 of the bolt 6 can be stably held in a fixed position without rattling.

As shown in FIGS. 7 and 8, the bush 7 is inserted into the mounting hole 5 from the opposite side of the mounting recess 3. The bush 7 is inserted so as to be inserted between the bolt 6 and the inner peripheral wall of the mounting hole 5, is fitted outside the bolt 6, and is held in the mounting hole 5. As shown in FIG. 10, the bush 7 is provided with flat flat surfaces 72 parallel to the axial direction on both sides of the outer peripheral portion of the cylindrical body, and the bush 7 is densely formed in a mounting hole 5 having a similar shape. It is formed so that it can be inserted.

Further, as shown in FIG. 7, a press-fitting holding portion 13 is provided in the mounting hole 5, and a plurality of convex ribs 13a are provided on the inner peripheral wall of the mounting hole 5 as the press-fitting holding portion 13 in parallel with the axial direction. .. As a result, when the bush 7 is press-fitted between the bolt 6 and the inner peripheral wall of the mounting hole 5, the convex rib 13a is crushed and the bush 7 is held at the axial core position of the mounting hole 5. As a result, the bolt 6 is held at the center position of the mounting hole 5 and vertically on the tightening seat surface 31. Further, even if the inner diameter of the mounting hole 5 for each product varies within the dimensional tolerance during manufacturing, the variation in the dimensional tolerance can be absorbed and the bush 7 can be easily press-fitted into the mounting hole 5. ..

As shown in FIGS. 7 and 8, the cover 9 is fitted on the mounting recess 3 with the bolt 6 inserted. As shown in FIG. 11, locking claws 91 are provided at the four corners of the cover 9, and as shown in FIG. 6, the locking claws 91 are provided on the four locking claw receivers 14 provided on the side wall portion of the mounting recess 3. It is locked, and the cover 9 is put on the mounting recess 3 and fixed. As shown in FIG. 5, the entire grip body 1 including the cover 9 is finally covered with the skin 19 via the cushion material 18, so that the appearance of the cover 9 does not appear in the appearance of the assist grip. ing.

The assist grip having the above configuration is assembled at the time of manufacture as follows. As shown in FIGS. 7 and 8, bolts 6 with flanges are inserted into the mounting recesses 3 at both ends of the grip body 1 from above in the drawing into the mounting holes 5 in the recesses, respectively. At this time, since the locking convex portion 11 having the locking groove 12 on the inside is provided by overhanging, the flange 61 of the bolt 6 is provided on the outside (anti-center side) inside the mounting recess 3 as shown in FIG. 12A. The notches 62 on both sides of the flange 61 are inserted at positions facing the locking groove 12 in the locking convex portion 11 (upper side of FIG. 14).

In this state, the flange 61 of the bolt 6 is in contact with the tightening seat surface 31 in the mounting recess 3, and in that state, the bolt 6 is slid downward in FIGS. 12A and 12B (lower side in FIG. 14). .. As a result, as shown in FIG. 12A, the edges 63 of the notches 62 on both sides of the flange 61 enter the locking groove 12. At this time, since the fine convex portion 12a (FIG. 13) is provided on the upper surface of the locking groove 12, the edge portion 63 of the notch portion 62 of the flange 61 is engaged without rattling even if the dimensions are within the dimensional tolerance. It is locked in the blind groove 12. As a result, as shown in FIGS. 12B and 14, the bolt 6 is accurately and stably held in the mounting hole 5 of the mounting recess 3.

Then, in this state, the bush 7 is press-fitted between the bolt 6 and the mounting hole 5 from the lower side of FIG. After that, as shown in FIG. 15, the cover 9 is put on the mounting recess 3, the locking claws 91 at the four corners thereof are locked to the locking claw receiver 14 of the mounting recess 3, and the mounting recess 3 is shown in FIG. Closed as shown. In this state, as shown in FIG. 6, the tips of the bolts 6 project from the bush 7 of the mounting convex portion 4 to the back surface side of the mounting portions 2 at both ends of the grip body 1 and are held in place.

After that, the skin 19 is wound around the outer peripheral portion of the grip body 1 via the cushion material 18, and the mating portion of the skin 19 is stitched and sewn. Assist grip is completed.

Although the cover 9 is provided on the mounting portions 2 at both ends of this assist grip, the outline of the cover 9 does not appear on the surface because the entire grip body 1 including the cover 9 is covered with the skin, and the design of the assist grip is provided. It is possible to improve the quality and design.

After that, the assist grip is sent to the vehicle assembly process and is mounted at a predetermined mounting position provided in the vehicle interior. As shown in FIGS. 16 and 17, a mounting recess 21 is provided at a mounting position such as a side wall trim or a roof trim in the vehicle interior, and a locking portion 23 is provided in the mounted recess 21.

Therefore, when mounting the assist grip, when the mounting convex portions 4 at both ends are inserted into the mounted concave portions 21, the mounting convex portions 4 are engaged with the tips of the bolts 6 being inserted into the mounting holes 22 of the vehicle body panel BP. The clasp 41 is locked to the locking portion 23 of the recess 21 to be mounted, and the assist grip is temporarily fixed at the mounting position.

Therefore, after that, if the nut 8 is screwed into the tip of the bolt 6 from the back side of the vehicle body panel BP and tightened, the assist grip can be easily tightened and fixed. Further, when the nut 8 is tightened, the notch 62 of the flange 61 of the bolt 6 is locked in the locking groove 12, so that the bolt 6 is prevented from coming off or slipping, and the mounting work can be performed efficiently and easily. ..

In this way, when mounting the assist grip, the bottom surface side of the mounting portion 2 of the assist grip is applied to the mounting portion of the vehicle body panel BP, and the tip of the bolt 6 is inserted into the mounting hole 22 of the vehicle body panel BP. The assist grip can be installed efficiently and easily by simply temporarily fixing the nut 8 from the back side of the panel, screwing it into the tip of the bolt, and tightening it. Further, since the flange 61 of the bolt 6 and the flange 71 of the bush 7 sandwich the mounting portion 2 of the grip body 1 and the vehicle body panel and tighten and fix the assist grip, the assist grip can be fixed to the vehicle body panel BP with high strength.

1 Grip body 2 Mounting part 3 Mounting concave part 4 Mounting convex part 5 Mounting hole 6 Bolt 7 Bush 8 Nut 9 Cover 10 Locking holding part 11 Locking convex part 12 Locking groove 12a Fine convex part 13 Press-fit holding part 13a Convex rib 14 Locking claw receiver 18 Cushion material 19 Skin 21 Attached recess 22 Mounting hole 23 Locking part 31 Tightening seat surface 32 Positioning rib 41 Locking claw 61 Flange 62 Notch 63 Edge 71 Flange 72 Flat surface 91 Locking claw BP body panel

Claims (9)

In the assist grip that is tightened and fixed to the vehicle body panel using bolts and nuts
Grip body and
Bolts to be inserted into the mounting holes of the mounting portions provided at both ends of the grip body,
A bush that is externally fitted to the bolt and inserted into the mounting hole,
With
The mounting portion has a mounting recess provided with a tightening seat surface.
The bolt is loosely insertable into the mounting hole and has a flange on the head that abuts on the tightening seat surface.
The bush is an assist grip having a flange at the end and being inserted into the mounting hole from the opposite side of the mounting recess. A locking holding portion for holding the bolt inserted in the mounting hole at a predetermined position is provided in the mounting recess, and a press-fit holding portion for holding the bush fitted in the bolt in the mounting hole is provided. The assist grip according to claim 1, wherein the assist grip is provided. The locking holding portion is provided with a locking groove in the mounting recess, a notch is provided in the flange of the bolt, and the edge of the notch of the flange is locked and held in the locking groove. The assist grip according to claim 2, wherein the assist grip is provided. The mounting hole of the mounting portion is formed in a substantially oval shape so that the bolt can move in the direction perpendicular to the axis and in the major axis direction, and the locking groove of the locking holding portion is parallel to the tightening seat surface. 3. The assist grip according to claim 3, wherein the flange of the bolt moves on the tightening seat surface in the major axis direction, and the flange is locked in the locking groove. The assist grip according to claim 4, wherein a fine convex portion is provided inside the locking groove, and a positioning rib for positioning the flange of the bolt is provided on the tightening seat surface in the mounting recess. The assist grip according to claim 1, wherein the press-fitting holding portion for press-fitting and holding the bush is provided with a plurality of convex ribs on the inner peripheral surface of the mounting hole of the mounting portion. The mounting hole of the mounting portion has a flat surface on the inside, and a flat surface corresponding to the flat surface of the mounting hole is provided on the outer peripheral portion of the bush, and the bush is prevented from rotating by the mounting hole. The assist grip according to claim 1 or 6, wherein the assist grip is press-fitted. When a mounting convex portion is projected on the bottom surface of the mounting portion, a locking claw is provided on the side end portion of the mounting convex portion, and the mounting convex portion is inserted into the mounted concave portion provided on the vehicle body side for mounting. The assist grip according to claim 1, wherein the locking claw is locked and temporarily fixed to the locking portion provided in the mounting recess. The assist grip according to claim 1, wherein a cover covering the mounting recess is attached to the mounting portion, and a skin is wound around the grip body and an outer peripheral portion of the cover with a cushioning material interposed therebetween.

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