JP3245029B2 - Vehicle seat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat, and more particularly to a vehicle seat suitable for a vehicle such as a forklift which has a high possibility of being exposed to rainwater.

[0002]

2. Description of the Related Art A driver's seat in a vehicle is an important factor affecting the working environment of an operator, and various improvements have been made conventionally. For example, the conventional seat shown in FIG. 6 cuts and sews the skin material to be the upper lining 1a, 2a and the side lining 1b, 2b of the cushion pad 1 and the back pad 2 to sew a pad material such as urethane. are fixed with derived from the genes that encode ring or the like on a frame (not shown). Upholstery 1
Balls 3 and 3 are formed in each corner formed by a and 2a and side linings 1b and 2b. Also, the seams 4a and 4b in the horizontal direction are inserted in the rear portion of the cushion pad 1 and the center portion of the back pad 2, and the seams 5a and 5b are further finely inserted in the vertical direction to dent the cushion pad 1 and the back pad 2. , so that the full Itto over the shoulder from the knee.

[0003]

The seat having such a structure is designed to reduce fatigue and improve the riding comfort, but is used as a seat of a vehicle such as a forklift which is likely to be exposed to rainwater. If seam 5
a, 5b, and dust 3,3 accumulate on the padding 3 and 3 and become uncleanable dirt, rainwater seeps, water is trapped in the recessed portion by the seam 5a, and even if wiped off, it exudes from the pad material by sitting. come.

[0004] In addition, there is also a disadvantage that, even if it does not depend on rainwater, it becomes humid due to sweating for a long time, and once it penetrates into the pad, it is forever humid. Furthermore, in the back pad 2, the operator 's elbow hits the upper corners 6, 6 of the back pad 2, which makes it difficult to work backward. In addition, the application which provided the drain hole of the reservoir (Japanese Utility Model Laid-Open No. 49-3160)
However, there is a discharge hole that extends from the upper surface 1a to the bottom surface of the cushion pad 1, which complicates the manufacturing process. In addition, since the discharge hole is provided at the center of the cushion pad, the seat is uncomfortable when seated. is there.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and comprises a cushion pad and a back pad each of which is integrally formed with a pad on a skin, and components which are easy to form are added to the skin. A vehicle that allows rainwater to penetrate into the seat, drain water remaining on the cushion pad, make it easy to wipe off dirt and water, prevent stuffiness from sweating during long hours of work, and improve the work environment It is intended to provide a sheet for use.

[0006]

Invention according to claim 1 SUMMARY OF THE INVENTION The present invention which has solved the above problems, (a) a cushion pad and a back pad is configured as a separate body and said cushion pad, epidermis co A vehicle seat made by an integral foam molding method, wherein (b) the cushion pad is provided with a substantially ∩-shaped guide groove at its rear edge, both ends of which are reduced, and the guide groove is formed rearward. The leg ends are tilted downward, and the two leg ends are
The lower open end of the strip-shaped groove having an open end is joined to
Thus, a drain hole that opens in the joint area with the back pad is characterized in that the strip-shaped groove of the back pad cuts both upper ends of the back pad. It is characterized in that it is open to the shoulder relief part.

According to a second aspect of the present invention, a band-shaped groove is formed in the back pad, and the groove is opened to a shoulder relief portion in which both upper ends of the back pad are cut.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vehicle seat according to the present invention will be described below with reference to the drawings. As shown in FIG. 1, the vehicle seat 11 includes the cushion pad 1.
2 and a back pad 13. The cushion pad 12 and the back pad 13 are, as shown in FIG.
The pad material is formed integrally with the skin. That is, the cushion pad 12 has a pad material P made of urethane or the like inside the skin 12a using, for example, vinyl chloride.
Similarly, the back pad 13 has a pad material P such as urethane built inside a skin 13a made of the same material as the cushion pad 12.

On the other hand, the frame 12 of the vehicle seat 11
As shown in FIG. 3, the seat pad frame 22 includes a seat frame 22 and a backrest frame 23 formed integrally with the seat frame 22. The rear end of the cushion pad 12 and the lower end of the back pad 13 The erection material 24 is interposed at the portion where the butt is abutted. Above cushion pad 12
Is fixed to the front end frame portion 22a of the seat frame 22 and the bridging member 24, and is fixed to the seat frame 22 by fixing means such as screws. The back pad 13 is engaged with the upper end frame portion 23a of the back frame 23, and is fixed to the back frame 23 by fixing means such as screws. Then, as shown in FIG. 2, the backrest frame 23 is concealed by a back pad board 25 having a pocket 25a capable of storing a catalog or the like.

The pocket 25a is held on the back pad board 25 by a hinge 26 so as to be openable. Further, a seat track 27 for mounting the head office dual-use seat 11 on a vehicle is attached to the seat frame 22 via brackets 28,28. Further, a helical spring (not shown) is mounted on the seat frame 22 below the cushion pad 12.

The vehicle seat 11 is characterized in that the cushion pad 12 has a skin 12 a and a back pad 13.
And will be described in detail below. Above cushion pad 1
As shown in FIG. 1, the skin 12a following the shape of the pad object 2 has a slightly swelled top surface area 14 in the center on the front side. It continues to the direction concave surface area 15,15. The vertical concave areas 15, 15 are higher toward the front, and the rear end 12b of the cushion pad 12 is the lowest.

The skin 12a having the above-mentioned shape has a lateral conducting groove 31 extending from the top surface area 14 to the left and right vertical concave areas 15, 15, and the lateral conducting groove 31 continuous with the lateral conducting groove 31. A pair of longitudinal guide grooves 32, 32 extending rearward along the directional concave surface areas 15, 15 and open at the rear end 12b (FIG. 2) of the cushion pad 12, are formed. The horizontal guide groove 31 and the pair of vertical guide grooves 32, 32
Forms a substantially ∩-shaped guide groove as shown in FIG.

The rear end portions of the left and right vertical concave areas 15 have projections 16 for regulating the seating position of the buttocks.
Are provided, and a projection 16 is provided at the rear end portion of the center.
The pelvis support 17 having almost the same height as that of the boss is raised. Next, as shown in FIG. 1, shoulder escape portions 18, 18 are formed on the skin 13 a of the back pad 13 by cutting both upper end portions of the back pad 13, and the shoulder escape portions 18, 18 From the middle part of the waist to the protrusions 19 for regulating the backrest position of the waist. The projections 19 form a vertical central flat area 20 at the center of the skin 13a. Note that the shoulder relief portions 18 are assumed to be located below the shoulder of the operator.

In contrast to the shape of the back pad 13, a pair of left and right grooves 33 extending in a diagonally downward direction from the shoulder relief portion 18 corresponding to the under shoulder and reaching the vertical central flat area 20,
The left and right grooves 33 are connected to each other by a horizontal groove 34 that substantially crosses the central flat area 20 in the vertical direction. This horizontal groove 34 is located substantially at the center of the back pad 13. Further, a pair of long grooves 35, 35 extending along both sides of the vertical central flat area 20 from the intersection of the one horizontal groove 34 and the pair of left and right grooves 33 are formed in the skin 13 a. The pair of long grooves 35, 35 are open to the lower end 13 b of the back pad 13 (FIG. 2). The left and right grooves 33, 33, the horizontal one groove 34 and the long groove 3
5, 35 form a substantially H-shaped groove as shown in FIG.

Here, the open ends of the pair of long grooves 35, 35 and the open ends of the pair of longitudinal guide grooves 32, 32 in the cushion pad 12 are joined to each other. Thereby, the boundary area of the above-mentioned joining is formed as the drain hole 36 (FIG. 4). According to the vehicle seat having the above configuration, the cushion pad 12 and the back pad 13 are formed by the skins 12a, 13a.
Since the pad objects P are formed integrally with each other, there is no place to soak rainwater or sweat. Furthermore, there is no adhesion of dust,
Cleaning is also easy. In addition, rainwater is applied to the cushion pad 12.
Even if an attempt is made to stagnate, the water naturally flows from the lateral guide groove 31 along the pair of vertical guide grooves 32, 32, and a drain hole in a boundary area where the cushion pad 12 and the lower end 13 b of the back pad 13 are joined. It falls from 36, and can prevent accumulated water.
Therefore, when it is rained, it can be seated without any discomfort by simply wiping it off.

Further, in the present embodiment, a pair of left and right grooves 33 and one horizontal groove 3 opened to the shoulder relief portion 18 from the lower side of the shoulder to the buttocks.
4 and the long groove 35 form an air passage,
It is possible to prevent stuffiness due to sweating during long-time work. Furthermore, when working backwards, the shoulder is
As a result, the upper and lower ends of the back pad 13 do not interfere with each other, and it is possible to easily turn around and perform a predetermined operation.

Further, the vehicle seat 11 of the present embodiment is
The projection 16 of the cushion pad 12 and the pelvis support 17 for the buttocks and the projection 19 of the back pad 13 for the waist hold the operator in a range that does not affect workability against turning or rolling. In particular, the open ends of the pair of long grooves 35, 35 in the back pad 13 and the pair of longitudinal guide grooves 32, 32 in the cushion pad 12.
The open ends of the two are aligned with each other, so that a large space is formed on the buttocks side, which has an effect of reducing moisture caused by perspiration.

Thus, the vehicle seat 11 improves the working environment of the operator extremely favorably in terms of appropriate restraint which does not interfere with the operation, penetration of rainwater and sweat into the seat, prevention of accumulated water, and the like. is there. However, the above embodiment is an example. For example, the shape of the groove is not limited to the H-shape or the ∩-shape. Demonstrate. In this case, if the pair of left and right grooves 33 extends to the lower end 13b of the back pad 13 and is opened, the same function as in the embodiment is achieved.

In the cushion pad 12, even if there is no horizontal groove 31, rainwater can be drained from the top surface area 14 into a pair of vertical grooves 32,32. In this case, the front ends of the vertical guide grooves 32, 32 face the top region 14. The embodiment excluding the pair of vertical guide grooves 32, 32 is a vehicle seat in which both a cushion pad and a back pad are formed by a skin integral foam molding method, and the cushion pad includes a front portion of the cushion pad. At least inclined downward from the top surface area set at the side center and extended to the rear end of the cushion pad along the vertical concave area set to the left and right of the top surface area and opened at the rear end. One vertical guide groove is provided, and the open end of the vertical guide groove is formed as a drain hole.

[0020]

As described above in detail, according to the present invention, by adopting the constitution described in the claims, it is possible to prevent rainwater from infiltrating into the sheet and to prevent accumulated water, and to easily prevent dirt and water from getting wet. Improvements such as easy wiping and water repellency, and prevention of stuffiness due to sweating during long-term work and maintaining comfort have been significantly improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vehicle seat according to an embodiment.

FIG. 2 is a central vertical sectional view of FIG.

FIG. 3 is a right side view of the vehicle seat.

FIG. 4 is a plan view showing a cushion pad of the vehicle seat.

FIG. 5 is a plan view showing a back pad of the vehicle seat.

FIG. 6 is an explanatory view showing an example of a conventional vehicle seat.

[Description of Signs] 11 is a vehicle seat, 12 is a cushion pad, 13 is a back pad, P is a pad object, 12a is a cushion pad skin, 13a is a back pad skin, 14 is a top surface area, and 15 is a vertical direction. A concave area, 32 is a vertical groove, 18 is a shoulder relief, and 33 is a left and right groove.

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kazunari Koie 25th Araike, Yoshiwara-cho, Toyota-shi, Aichi Pref. (56) References Real Opening Sho 49-31606 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B60N 2/00 A47C 27/14 B66F 9/06

Claims (2)

(57) [Claims] 1. A cushion pad and the cushion pad
And the back pad is configured as a separate body, a vehicle seat created from an integral skin foam molded method for co substantially ∩-shaped guide which legs end results subsequently in the cushion pad edge A groove is recessed, the guide groove is inclined downward toward the rear, and the two leg ends are formed in the lower opening of a band-like groove having both lower open ends formed in the back pad.
A vehicle seat, wherein the drain end is joined to the release end, thereby forming a drain hole that opens in a joint area with the back pad . 2. The vehicle seat according to claim 1 , wherein the band-shaped groove of the back pad is opened to a shoulder relief portion in which upper ends of the back pad are cut.