JP3555745B2 - Hook mounting structure for vehicle seats - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a hook mounting structure for a vehicle seat, and more particularly to a hook for a vehicle seat capable of eliminating brackets and screws to be mounted on a seat back, reducing the number of parts, and improving mounting workability. Mounting structure.
[0002]
[Prior art]
Usually, luggage carried by the rear seat occupant of a passenger car is placed on the rear seat or rear parcel shelf, but bag-like items such as convenience store bags are placed on the rear seat or rear parcel shelf. In such a case, there is a problem that the bag falls from the rear seat or the rear parcel shelf due to a sudden stop, a sudden steering wheel, or the like while traveling, or the baggage in the bag is scattered on the floor. A hook 2 for locking a convenience store bag or the like is provided on the rear side of the seat back 1a of the vehicle seat 1 on the front side, so that the bag-like thing can be securely held and is very easy to use. Things.
[0003]
As shown in FIG. 16, the hook 2 is normally housed in the base 3 and does not protrude into the room, and pivots about the shaft 2b so that the lower end 2a of the hook 2 can be pulled out toward the user when used. Mounted as possible. As shown in FIG. 17, the hook 2 and the base 3 have a bracket 4 fixed to the seat back frame 1b of the seat back 1a, and the base 3 having the hook 2 is attached to the bracket 4 via screws 5. It is fixed.
[0004]
[Problems to be solved by the invention]
As described above, when attaching the hook 2 to the rear side of the seat back 1a of the vehicle seat 1, the bracket 4 is fixed to the seat back frame 1b, and the base 3 having the hook 2 is fixed to the bracket 4 by the screw 5. Because of the necessity, the number of parts such as the bracket 4 and the screw 5 is large, and the mounting operation is troublesome.
[0005]
Furthermore, since the trim cover 1c of the vehicle seat 1 around the base 3 is simply pressed by the base 3, it has been pointed out that the trim cover 1c tends to fall off, which causes a significant deterioration in the interior aesthetics.
[0006]
SUMMARY OF THE INVENTION An object of the present invention is to provide a hook mounting structure that is mounted on the back side of a seat back of a vehicle seat, by eliminating the conventional brackets and screws, reducing the number of parts, and enabling one-touch mounting, thereby improving workability. It is an object of the present invention to provide a hook mounting structure for a vehicle seat that can be improved, can prevent a trim cover around a hook portion from falling off, and can maintain good design properties for a long period of time.
[0007]
[Means for Solving the Problems]
The present invention has been made in view of the problems described above, and a hook mounting structure for a vehicle seat according to claim 1 of the present invention is a hook mounting structure for mounting on a back side of a seat back of a vehicle seat. A mounting having a square hole formed through the seat back frame and a square hole formed in communication with the square hole on the back side of the seat back pad and having a bifurcated rectangular locking piece on the insertion end side. When the hook case is fitted and fixed in the mounting case via a trim cover and has a hook on the front side and a square insertion rod on the back side, the hook case is housed and fixed between the mounting cases. By inserting the square insertion rod of the hook case between the forked locking pieces of the mounting case, the locking pieces are expanded outward and the mounting case is locked in the square holes of the seat back frame. And it said that there was boss.
[0008]
Therefore, according to the first aspect of the present invention, the two-piece body of the mounting case and the hook case is used as the hook mounting member, and the square holes provided in the seat back frame and the seat back pad of the vehicle seat. By inserting the hook case into the mounting case via the trim cover with the mounting case housed inside and fixing the mounting case and the hook case, the hook can be easily attached to the back side of the vehicle seat In addition, the conventional bracket and screw can be eliminated, and the hook case can be attached to the attachment case with a single touch in the attachment operation, which simplifies the attachment operation.
[0009]
The hook mounting structure for a vehicle seat according to claim 2 of the present invention, wherein the trim cover is sandwiched between the flange of the mounting case and the flange of the hook case, and the trim cover is prevented from coming off between the flanges. Is provided.
[0010]
Here, as a means for preventing the trim cover from being provided between both the flanges of the mounting case and the hook case, a plurality of protrusions facing the other side are formed on at least one side surface of the opposing surfaces of the two flanges. The trim cover may be held by a projection, and the projection may be a pin shape or an embossed ridge. For the pin, if a locking hole is provided in a mating flange, the effect is further improved. In addition, it is preferable that a concave groove is formed on the mating flange with respect to the elongated convex strip.
[0011]
Furthermore, roughening may be performed on at least one of the opposing surfaces of the flanges, a locking piece may be provided on one flange, and a locking hole may be provided on the other flange. When a pin is formed on one of the flanges, a locking hole may be provided in the trim cover.
[0012]
Therefore, according to the second aspect of the present invention, the trim cover is sandwiched between the flange of the mounting case and the flange of the hook case, and the trim cover is prevented from coming off between the flanges. Even when the trim cover is pulled, the terminal of the trim cover does not come off from the outer peripheral edge of the flange of the hook case.
[0013]
The hook mounting structure for a vehicle seat according to the third aspect of the present invention guides the tip of the driver to the locking portion inside the hook case in order to release the engagement between the mounting case and the hook case. It is characterized by being tapered.
[0014]
Therefore, according to the third aspect of the present invention, when the driver is inserted into the hook case, the tip of the driver is guided by the taper to the engaging portion between the hook case and the mounting case. The engagement state with the case can be easily released.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a hook mounting structure in a vehicle seat according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing a seat back of a vehicle seat to which a hook is mounted by applying a hook mounting structure according to the present invention. FIGS. 2 and 3 are cross-sectional views showing a hook mounting structure according to the present invention. FIG. 4 is a perspective view showing a two-piece mounting case and a hook case used for the hook mounting structure according to the present invention, and FIGS. 5 and 6 are explanatory views showing the mounting case and the procedure for mounting the hook case. FIG. 7 is an explanatory view showing an operation of releasing the engagement between the hook case and the mounting case.
FIGS. 8 to 14 are perspective views showing a mounting case and a hook case showing respective aspects of the trim cover retaining means in the hook mounting structure according to the present invention.
[0016]
In FIG. 1, reference numeral 10 denotes a front vehicle seat. The vehicle seat 10 has a seat back 12 having an occupant backrest function with respect to a seat cushion 11 on which a front occupant sits. The seat back 12 is attached via a reclining mechanism (not shown) so as to maintain an angle. A hook is provided on the rear side of the seat back 12 so that a rear occupant can easily lock a bag P of a convenience store, for example. 20 are attached.
[0017]
First, the configuration of the seatback 12 side to which the hook 20 is attached will be described with reference to FIG. 2. The seatback 12 covers the seatback frame 13 with the seatback pad 14, and further covers the outer surface thereof with the trim cover 15. In order to attach the hook 20, the seat back frame 13 is provided with square holes (shown by a square hole 131 on the back side and a square hole 132 on the opposite side) shown in FIGS. Similarly, a square hole 141 is formed in the seat back pad 14, and a cross-shaped slit 151 is formed in the trim cover 15.
[0018]
Next, the configuration of the attachment case 30 and the hook case 40 that constitute the hook 20 will be described with reference to FIGS. 2 and 4. In the present embodiment, the attachment case 30 is made of an injection molded body of polyacetal resin. A locking claw 321 of a pair of locking pieces 32 is formed in a forked shape at one end side of the rectangular cylindrical hollow case 31 so as to face outward, and the locking pieces 32 expand in the left-right direction. It has the flexibility to open and contract.
[0019]
A rectangular flange 33 is provided on the opposite side of the hollow case 31, and a locking claw 311 for locking the hook case 40 is provided inside the hollow case 31.
[0020]
On the other hand, the hook case 40 is made of an injection-molded body of a polyamide resin. A rectangular insertion rod 42 is formed on one end of a rectangular cylindrical hollow case 41 so as to protrude therefrom. Is formed with a rectangular flange 43, and a hook 20 is accommodated in the hollow case 41. The hook 20 is rotatably supported by a shaft 44. The hook 20 is always urged by the urging spring in a direction to be housed in the hollow case 41. In use, the hook 20 is pulled out to the front side with respect to the urging spring and used.
[0021]
Further, each of the hook cases 40 is formed so that the hollow case 41 of the hook case 40 can be fitted into the hollow case 31 of the mounting case 30 so that the mounting case 30 and the hook case 40 can be securely fixed. The dimensions of 31 and 41 are set, and as is apparent from FIG. 2, between the hook case 40 and the mounting case 30, a locking claw 311 of the mounting case 30 and a locking portion 411 of the hook case 40 are provided. Are engaged, so that the attachment case 30 and the hook case 40 are securely fixed.
[0022]
When the hollow case 41 of the hook case 40 is fitted into the hollow case 31 of the mounting case 30, the rectangular insertion rod 42 of the hook case 40 expands the forked locking piece 32 of the mounting case 30 to the left and right sides. It is in an open state, and can be locked in an expanded state as shown in FIGS. 3 (a) and 3 (b).
[0023]
Next, the mounting structure of the hook 20 will be described with reference to FIGS.
First, the mounting case 30 is fixed to the seat back frame 13 and the seat back pad 14. The seat back frame 13 has square holes 131 and 132 on the back side and the front side, respectively. A square hole 141 is also opened.
[0024]
Therefore, after covering the seat back frame 13 with the seat back pad 14, the hollow case 31 of the mounting case 30 is fitted from the square hole 141 of the seat back pad 14 into the square holes 131 and 132 of the seat back frame 13, and FIG. As shown in ()), the locking pieces 32 of the mounting case 30 are locked with the locking claws 321 in the square holes 132 on the front side of the seat back frame 13.
[0025]
Then, the trim cover 15 is put on the front side of the mounting case 30 mounted on the seat back frame 13 and the seat back pad 14, and the hook case 40 is inserted into the mounting case 30 through the cross-shaped slit 151 formed in the trim cover 15. Fit.
[0026]
When the hook case 40 is pushed into a predetermined position, the rectangular insertion rod 42 of the hook case 40 is inserted between the forked locking pieces 32 as shown in FIG. And each locking claw 321 is locked in a state where it is securely locked to the edge of the square hole 132 of the seat back frame 13, and as shown in FIG. The hook case 40 is securely fixed to the mounting case 30 by the locking portion 411 of the hook case 40 being locked to the hook 311.
[0027]
Therefore, according to the mounting structure of the hook 20 according to the present invention, the conventional bracket can be eliminated only by providing the square holes 131 and 132 in the seat back frame 13, and the mounting case 30 and the hook case 40 are fitted. The conventional screws can be eliminated by simply fixing them, and parts such as brackets and screws can be greatly reduced. In addition, the hook case 40 can be attached to the attachment case 30 with one touch, and the attachment work can be simplified. In addition, workability can be significantly improved.
[0028]
In addition, to remove the hook 20 from the seat back 12, the hook case 40 may be removed from the mounting case 30. In the present embodiment, a taper 412 is formed on the inner surface of the hollow case 41 of the hook case 40. Therefore, as shown in FIG. 7, after the hook 20 is rotated to the near side, the driver d is inserted, and the tip of the driver d is inserted along the taper 412, so that the locking claw 311 is formed. Is elastically deformed to the position indicated by the dotted line, and the engagement between the locking claw 311 and the locking portion 411 can be easily released. In this released state, the hook case 40 and then the mounting case 30 can be removed. Thus, the work of removing the hook 20 can be easily performed.
[0029]
Further, as shown in FIG. 2, the trim cover 15 is sandwiched between the flange 33 of the mounting case 30 and the flange 43 of the hook case 40. Each variation of the means for preventing the trim cover 15 from being provided between the trim cover 15 and the flange 43 of the hook case 40 is shown.
[0030]
First, as shown in FIG. 8, a plurality of pin-shaped projections 50 are provided on the inner surface of the flange 33 of the mounting case 30, and a plurality of protrusions 51 are also provided on the inner surface of the flange 43 of the hook case 40. When the hook case 40 is fitted and fixed to the mounting case 30 and the trim cover 15 is sandwiched between the flanges 33 and 43, the trim cover 15 is pressed and held by the tips of the projections 50 and 51. Thereby, the holding strength of the trim cover 15 can be enhanced, the trim cover 15 can be reliably prevented from falling off, the trim cover 15 does not come off from the periphery of the hook case 40 to the outside, and the appearance design can be improved over a long period of time. Can be maintained. It is to be noted that the protrusions 50 and 51 are effective even if formed on only one side.
[0031]
Next, as shown in FIG. 9, a projection 51 is provided on one side, in this case, the hook case 40, of the facing surfaces of the flanges 33, 43 of the mounting case 30 and the hook case 40, and the other side of the mounting case 30 is provided. If a corresponding locking hole 52 is formed in the flange 33 of the 30, when the projection 51 is fitted into the locking hole 52, the trim cover 15 is also fitted at the same time, and the firm holding of the trim cover 15 is similarly expected. it can.
[0032]
Further, as shown in FIG. 10, if an embossed ridge 53 is protruded on the inner surface side of the flange 43 of the hook case 40, and a concave groove 54 is provided on the inner surface side of the flange 33 of the mounting case 30 on the other side. When the hook case 40 is fitted and fixed in the mounting case 30, the trim cover 15 is sandwiched between the flanges 33 and 43. In particular, when the embossed ridge 53 fits into the concave groove 54, the trim cover is simultaneously formed. 15 is also fitted, so that the trim cover 15 can be firmly held. The flanges 33 and 43 formed may be reversed with respect to the combination of the protrusion 51 and the locking hole 52, and the combination of the embossed ridge 53 and the concave groove 54.
[0033]
Next, FIG. 11 shows that the rough surface 55 is formed on the facing surface of the flange 33 of the mounting case 30 and the flange 43 of the hook case 40. When the trim cover 15 is sandwiched between the flanges 33 and 43, the rough surface 55 is removed. , The falling off of the trim cover 15 can be effectively prevented.
[0034]
In addition, as shown in FIG. 12, a locking claw 56 is provided on the inner surface of the flange 43 on one side, and a locking hole 57 is opened in the flange 33 on the other side, and the locking claw 56 and the locking hole are formed. The trim cover 15 may be held at the same time by holding the trim cover 15 in the engagement portion with the 57.
[0035]
As shown in FIG. 13, a locking projection 58 may be provided on the inner surface of the flange 43 on one side, and a thin claw 59 may be provided on the inner surface of the flange 33 on the other side to firmly hold the trim cover 15. .
[0036]
Further, as shown in FIG. 14, a pin 60 protrudes from the flange 33 on one side, and a locking hole 61 is opened around the opening 152 of the trim cover 15 corresponding to the pin 60, and the pin 60 and the locking hole are formed. The trim cover 15 may be firmly held by the structure for engaging the trim cover 15.
[0037]
As described above, the trim cover 15 is sandwiched between the flange 33 of the mounting case 30 and the flange 43 of the hook case 40, and the above-described various means for preventing the trim cover 15 from falling off is provided between the flanges 33, 43. The trim cover of the hook 20 mounting portion does not wrinkle or fall off, and can maintain a beautiful appearance for a long period of time.
[0038]
【The invention's effect】
As described above, according to the first aspect of the present invention, the hook case is provided, in which the mounting case is fixed to the seat back frame and the seat back pad from the back side of the seat back and the trim cover is covered. Can be easily attached to the back side of the seat back by eliminating the brackets and screws, reducing the number of parts and allowing one-touch installation. The mounting workability is also improved.
[0039]
According to the second aspect of the present invention, the trim cover is sandwiched and fixed between the flange of the mounting case and the flange of the hook case, and the retaining means for restricting the trim cover from falling off is provided between the two flanges. Therefore, the trim cover in the vicinity of the hook attachment portion does not wrinkle or the terminal of the trim cover does not come off, and the appearance of the hook attachment portion can be maintained beautifully for a long time.
[0040]
Further, according to the third aspect of the present invention, a taper is provided on the inner surface of the hollow case of the hook case in the vicinity of the engaging portion between the mounting case and the hook case. Since the engagement between the mounting case and the hook case can be easily released, there is an effect that the work of removing the hook can be easily performed and the maintenance can be easily performed.
[Brief description of the drawings]
FIG. 1 is a perspective view of a vehicle seat to which a hook mounting structure of a vehicle seat according to the present invention is applied, as viewed from the rear side.
FIG. 2 is a sectional view showing an embodiment of a hook mounting structure in a vehicle seat according to the present invention.
3A and 3B show a hook mounting structure in a vehicle seat according to the present invention, wherein FIG. 3A is a cross-sectional view showing a state before the hook case is mounted, and FIG. 3B is a cross-sectional view showing a state after the hook case is mounted. .
FIG. 4 is a perspective view showing a mounting case and a hook case used for a mounting structure of a hook in a vehicle seat according to the present invention.
FIG. 5 is an explanatory view of the hook mounting structure in the vehicle seat according to the present invention as viewed from the front side of the seat back.
FIG. 6 is an explanatory diagram showing a procedure for attaching the hook case to the attachment case in the hook attachment structure for the vehicle seat according to the present invention.
FIG. 7 is an explanatory view showing a hook case in the hook mounting structure of the vehicle seat according to the present invention, and a work of removing the mounting case.
FIG. 8 is an explanatory view showing an embodiment of a means for preventing a trim cover from falling off in a hook mounting structure in a vehicle seat according to the present invention.
FIG. 9 is an explanatory view showing an embodiment of a means for preventing a trim cover from falling off in a hook mounting structure in a vehicle seat according to the present invention.
FIG. 10 is an explanatory view showing an embodiment of a means for preventing a trim cover from falling off in a hook mounting structure in a vehicle seat according to the present invention.
FIG. 11 is an explanatory view showing an embodiment of a means for preventing a trim cover from falling off in a hook mounting structure in a vehicle seat according to the present invention.
FIG. 12 is an explanatory view showing an embodiment of a means for preventing a trim cover from falling off in a hook mounting structure in a vehicle seat according to the present invention.
FIG. 13 is an explanatory view showing an embodiment of a means for preventing a trim cover from falling off in a hook mounting structure in a vehicle seat according to the present invention.
FIG. 14 is an explanatory view showing an embodiment of a means for preventing a trim cover from falling off in a hook mounting structure in a vehicle seat according to the present invention.
FIG. 15 is a front view of a hook provided on a conventional vehicle seat.
16 is a sectional view taken along line XVI-XVI in FIG.
FIG. 17 is an explanatory view of a conventional hook mounting structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Vehicle seat 12 Seat back 13 Seat back frame 131 Square hole 132 Square hole 14 Seat back pad 141 Square hole 15 Trim cover 151 Slit 20 Hook 30 Mounting case 31 Hollow case 32 Locking piece 321 Locking claw 33 Flange 40 Hook case 41 Hollow case 42 Square insertion rod 43 Flange 311 Locking claw 411 Locking portion 412 Taper 50 Projection 51 Projection 52 Locking hole 53 Embossed ridge 54 Depressed groove 56 Locking claw 57 Locking hole 58 Locking protrusion 59 Claw 60 Pin 61 Lock hole

Claims (3)

In the mounting structure of the hook mounted on the back side of the seat back of the vehicle seat,
A mounting having a square hole formed through the seat back frame and a square hole formed in communication with the square hole on the back side of the seat back pad and having a bifurcated rectangular locking piece on the insertion end side. When the hook case is fitted and fixed in the mounting case via a trim cover and has a hook on the front side and a square insertion rod on the back side, the hook case is housed and fixed between the mounting cases. By inserting the square insertion rod of the hook case between the forked locking pieces of the mounting case, the locking pieces are expanded outward and the mounting case is locked in the square holes of the seat back frame. A hook mounting structure for a vehicle seat, which is fixed. 2. The vehicle seat according to claim 1, wherein a trim cover is sandwiched between the flange of the mounting case and the flange of the hook case, and a means for preventing the trim cover from being removed is provided between the two flanges. Hook mounting structure. 3. The hook case according to claim 1, wherein the hook case is tapered inside the hook case to release the engagement between the hook case and the mounting case. A hook mounting structure in the vehicle seat described in the above.

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