JP2004081273A - Vehicle seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To firmly fix an end part of a skin material by a simple means. <P>SOLUTION: A peripheral end part of the lower face of a seat base 1 is formed with an upward-recessed installation groove 4, and the end part of the skin material 3 is fixed in the installation groove 4 by a fixing means such as an adhesive. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a seat of a motorcycle or the like, for example, and particularly to a mounting structure of a skin material thereof.
[0002]
[Prior art]
As shown in the partial cross-sectional view of FIG. 8, the motorcycle seat has a hard seat base 1, a seat cushion 2 made of a synthetic resin foam fixed to an upper surface thereof, and a water-impermeable covering the outer peripheral surface thereof. It is generally formed by the skin material 3 of FIG.
[0003]
Conventionally, in such a sheet, the terminal portion at the lower end of the skin material 3 has been mostly fixed to the flat outer peripheral end portion on the lower surface of the sheet base 1 using an adhesive.
[0004]
[Problems to be solved by the invention]
As in the conventional case described above, simply fixing the end portion of the skin material 3 to the flat outer peripheral end of the lower surface of the sheet base 1 with an adhesive does not provide a large adhesive strength because the adhesive area is limited. , There is a risk of peeling after long-term use.
[0005]
In addition, since the rainwater flowing down from the side surface of the skin material 3 easily goes around the inside of the sheet base 1 and enters the bonding portion, there is a great possibility that the skin material 3 is peeled off.
[0006]
The present invention has been made in order to solve the above-mentioned problems, and enables the terminal portion of the skin material to be firmly fixed by simple means, and prevents rainwater from flowing inward, and the effect It is an object of the present invention to provide a vehicle seat capable of eliminating a vehicle.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, a vehicle seat according to the present invention is a vehicle seat comprising: a seat base, a seat cushion fixed to an upper surface thereof, and a skin material covering a surface of the seat cushion. At the outer peripheral end of the lower surface of the base, a mounting groove which is recessed upward is formed, and a terminal portion on the outer periphery of the lower end of the skin material is fixed in the mounting groove by fixing means.
According to the present invention having the above configuration, the terminal portion of the skin material is fixed by the fixing means in the mounting groove formed on the outer peripheral edge of the lower surface of the seat base, so that the fixed area of the terminal portion of the skin material is large. It becomes firmly fixed.
[0008]
In the vehicle seat, the fixing means is preferably an adhesive.
This makes it possible to relatively easily fix the end portion of the skin material in the mounting groove and firmly the entire periphery.
[0009]
In the vehicle seat, the fixing means is preferably a fastening member made of rubber or a soft synthetic resin which can be elastically deformed into the mounting groove and press-fitted.
With this configuration, the terminal portion of the skin material can be firmly fixed by a simple operation of simply pressing the fastening member into the mounting groove, and the fastening member is removed to easily replace the skin material. be able to.
[0010]
In the vehicle seat, it is preferable that the opening at the lower end of the mounting groove be made narrower and the cross-sectional shape of the fastening member be substantially the same as the cross-sectional shape of the mounting groove.
By doing so, the effect of preventing the fastening member from coming off from the mounting groove is increased, and the skin material is also firmly fixed.
[0011]
In the vehicle seat, it is preferable to provide a plurality of locking projections extending in the longitudinal direction on both inner and outer side surfaces of the fastening member.
This prevents the fastening member from easily coming off the mounting groove by the locking ridge.
[0012]
In the vehicle seat, a hollow portion is preferably provided inside the fastening member.
With this configuration, the fastening member is easily elastically deformed, and press-fitting into the mounting groove becomes easy, so that the holding force of the skin material can be increased by using the fastening member having a width slightly larger than the mounting groove. .
[0013]
In the vehicle seat, the fastening member is preferably screwed to the seat base with a screw.
This prevents the fastening member from coming off the mounting groove by the screw, so that the end portion of the skin material is securely fixed.
[0014]
In the vehicle seat, it is preferable to form a downwardly projecting bead at an outer peripheral end of the lower surface of the seat base outside the mounting groove.
With this configuration, the rainwater flowing down the side surface of the skin material is prevented from dripping from the bead portion and flowing inward, so that even when the skin material is fixed with the adhesive, the peeling is prevented.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0016]
FIG. 1 is a perspective view of a first embodiment of a motorcycle seat (auxiliary seat) to which the present invention is applied, and FIG. 2 is an enlarged vertical cross-sectional view taken along the line II-II of FIG.
[0017]
The seat A has a substantially rectangular seat base 1 made of a hard synthetic resin made of FRP or the like, a seat cushion 2 made of a synthetic resin foam body integrally formed and fixed on the upper surface thereof, And a skin material 3 made of impermeable synthetic leather or the like.
[0018]
A central portion in the longitudinal direction of the seat base 1 is gently curved in an upwardly arcuate shape, and an upwardly concave mounting groove 4 is formed continuously at the outer peripheral end of the lower surface over the entire outer periphery.
[0019]
In addition, a bead portion 5 protruding downward in a semicircular arc shape is continuously formed on the outer peripheral end of the seat base 1, and the outer end thereof is an upward holding piece 6.
[0020]
The terminal portion at the lower end of the skin material 3 is pulled so as to be in close contact with the surfaces of the holding piece 6 and the bead portion 5, and is fixed in the mounting groove 4 with an adhesive.
[0021]
In the sheet of the first embodiment, since the terminal portion of the skin material 3 is fixed to the upwardly concave mounting groove 4 of the outer peripheral end of the sheet base 1 by an adhesive, the terminal portion of the conventional flat adhesive surface The bonding area is larger than that, and the skin material 3 is firmly fixed.
[0022]
In addition, since the end portion of the skin material 3 is inserted into the concave mounting groove 4, the detachment resistance when the skin material 3 is pulled outward is large.
[0023]
Furthermore, since a downwardly-semicircular bead portion 5 is formed at the outer peripheral end of the seat base 1, rainwater flowing down the side surface of the skin material 3 drops from the lower end of the bead portion 5. There is no danger of sneaking inward and invading the bonding portion.
[0024]
FIG. 3 shows a second embodiment of the present invention in which main parts are enlarged. The only difference from the seat of the first embodiment is the fixing means of the skin material 3.
[0025]
That is, instead of the adhesive, the elastically deformable fastening member 7 made of rubber or a soft synthetic resin material is pressed into the terminal portion of the skin material 3 inserted into the mounting groove 4 and fixed.
[0026]
Also in the second embodiment, the terminal portion of the skin material 3 is firmly fixed in the mounting groove 4 by the elastic holding force and the frictional action of the fastening member 7.
[0027]
In addition, since no adhesive is used, the fixing work is easy, and the fastening member 7 can be removed to easily replace the skin material 3 and the like.
[0028]
As shown in the figure, the facing surface in the mounting groove 4 may be formed as a rough surface 8 having a saw-tooth shape or the like to increase the resistance of the skin material 3 to come off.
[0029]
FIG. 4 shows a third embodiment of the present invention, in which a plurality of locking projections 9 are formed along the longitudinal direction on the inner and outer side surfaces of the fastening member 7 similar to the second embodiment. Then, it is pressed into the mounting groove 4 so as to be elastically deformed.
[0030]
With such a shape, the detachment resistance of the fastening member 7 increases, and the fixing strength of the skin material 3 also increases.
[0031]
FIG. 5 shows a fourth embodiment of the present invention, in which a hollow portion 10 is provided inside a fastening member 7 similar to the second embodiment. The hollow portions 10 may be continuous in the longitudinal direction, or may be provided discontinuously at predetermined intervals.
[0032]
When such a hollow fastening member 7 is used, it is easily elastically deformed, so that even a slightly hard or large fastening member 7 can be press-fitted into the mounting groove 4, so that the holding force of the skin material 3 can be increased. can do.
[0033]
FIG. 6 shows a fifth embodiment of the present invention, in which the same fastening member 7 as in the above embodiment is fixed to the seat base 1 with a plurality of screws 11 in the mounting groove 4.
[0034]
In this way, even if the fastening member 7 is not so elastically deformed and pushed in, the end portion of the skin material 3 is securely and firmly fixed by the fastening member 7 screwed in the mounting groove 4.
[0035]
FIG. 7 shows a sixth embodiment of the present invention.
[0036]
In this embodiment, the opening at the lower end of the mounting groove 4 formed in the seat base 1 is made narrow, and a fastening member 12 made of rubber or the like having substantially the same cross-sectional shape as the internal space is pushed into the mounting groove 4. Thereby, the terminal portion of the skin material 3 is fixed.
[0037]
This prevents the fastening member 12 from coming off the mounting groove 4, so that the end portion of the skin material 3 is firmly fixed.
[0038]
In the second to sixth embodiments in which the end portions of the skin material 3 are fixed by using the fastening members 7, 12 and the screws 11, the outer peripheral edge of the seat base 1 is hardly affected by rainwater. The formed bead portion 5 may be omitted and a flat surface may be used.
[0039]
As described above, various fixing means for the skin material using the fastening members shown in FIGS. 3 to 7 are, for example, further screwed to the fastening members provided with the locking ridges, or the fastening members shown in FIG. The present invention also includes the use of a combination of several fixing means, such as providing a hollow portion in 12.
[0040]
【The invention's effect】
According to the present invention, the following effects can be obtained.
[0041]
(A) According to the first aspect of the present invention, since the end portion of the skin material is fixed in the mounting groove with a wider area than in the related art, it is firmly fixed.
[0042]
(B) According to the second aspect of the invention, the terminal portion of the skin material can be fixed relatively easily in the mounting groove and firmly around the entire circumference.
[0043]
(C) According to the third aspect of the present invention, by simply pressing the fastening member into the mounting groove, the terminal portion of the skin material can be firmly fixed, and the fastening member is removed. The replacement of the skin material can be easily performed.
[0044]
(D) According to the fourth aspect of the invention, the effect of preventing the fastening member from coming off from the mounting groove becomes large, and the skin material is firmly fixed.
[0045]
(E) According to the fifth aspect of the invention, the fastening member prevents the fastening member from easily coming off the mounting groove.
[0046]
(F) According to the invention as set forth in claim 6, it is preferable to provide a hollow portion inside the fastening member.
With this configuration, the fastening member is easily elastically deformed, and press-fitting into the mounting groove becomes easy, so that the holding force of the skin material can be increased by using the fastening member having a width slightly larger than the mounting groove. .
[0047]
(G) According to the invention of claim 7, since the fastening member does not come off from the mounting groove by the screw, the end portion of the skin material is securely fixed.
[0048]
(H) According to the invention as set forth in claim 8, the rainwater flowing down the side surface of the skin material is allowed to drip from the bead portion and is prevented from sneaking into the inner fixed portion. Even when is fixed with an adhesive, the separation is prevented.
[Brief description of the drawings]
FIG. 1 is a perspective view of a motorcycle seat to which a first embodiment of the present invention is applied.
FIG. 2 is an enlarged vertical sectional view taken along line II-II of FIG.
FIG. 3 is an enlarged vertical cross-sectional view of a main part, similarly showing a second embodiment.
FIG. 4 is an enlarged vertical sectional view of a main part, similarly showing a third embodiment.
FIG. 5 is an enlarged vertical sectional view of a main part, similarly showing a fourth embodiment.
FIG. 6 is an enlarged vertical cross-sectional view of a main part, similarly showing a fifth embodiment.
FIG. 7 is an enlarged longitudinal sectional view of a main part, similarly showing a sixth embodiment.
FIG. 8 is a longitudinal sectional view of a main part of a conventional seat.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 seat base 2 seat cushion 3 skin material 4 mounting groove 5 bead portion 6 holding piece 7 fastening member 8 rough surface 9 locking ridge 10 hollow portion 11 screw 12 fastening member A seat

Claims (8)

In a vehicle seat comprising a seat base, a seat cushion fixed to an upper surface thereof, and a skin material covering the surface of the seat cushion, a mounting groove recessed upward into an outer peripheral end of a lower surface of the seat base. A vehicle seat, wherein a terminal portion on an outer periphery of a lower end of the skin material is fixed in the mounting groove by fixing means. The vehicle seat according to claim 1, wherein the fixing means is an adhesive. The vehicle seat according to claim 1, wherein the fixing means is a fastening member made of rubber or soft synthetic resin that can be press-fitted by being elastically deformed into the mounting groove. 4. The vehicle seat according to claim 3, wherein an opening at a lower end of the mounting groove is made narrow, and a cross-sectional shape of the fastening member is substantially the same as a cross-sectional shape of the mounting groove. The vehicle seat according to claim 3 or 4, wherein a plurality of locking projections extending in the longitudinal direction are provided on both inner and outer side surfaces of the fastening member. 6. The vehicle seat according to claim 3, wherein a hollow portion is provided inside the fastening member. 7. The vehicle seat according to claim 3, wherein the fastening member is screwed to the seat base with screws. The vehicle seat according to any one of claims 1 to 7, wherein a downwardly protruding bead portion is formed at an outer peripheral end of the lower surface of the seat base outside the mounting groove.

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