JP4088309B2 - Automotive cushions and automotive seats - Google Patents

Description

  The present invention relates to a cushion that is used when a driver sits down particularly in an automobile seat.

For car seats, only a few patterns were prepared by car manufacturers depending on the product grade and selection options for each model sold. Therefore, various automobile cushions are being sold to supplement the fine sitting comfort that is different for each driver, and play a role in improving seat comfort. In the past, various products have been announced that have a function to prevent sleep during driving, such as shaking the seat in an electrically irregular pattern.
Japanese Utility Model Publication No. 3-51621 (first page, FIG. 1) JP 2001-245744 A (first page, FIG. 1)

  However, the interior height of automobiles varies depending on the type of vehicle. For example, in a sedan or coupe type automobile with a low vehicle height, the above-mentioned various cushions are placed on the seat, the interior ceiling becomes extremely narrow, which causes There was a drawback that the top of the head rubbed and made me feel uncomfortable. In addition, in trucks and wagon type cars with high vehicle heights, the seating surface is too high from the floor, which makes the seating posture unstable and causes driving danger. Furthermore, the structure that swings the seat to prevent falling asleep has the disadvantage that it is expensive and difficult to retrofit to an existing seat.

  It is an object of the present invention to provide a seat cushion that can prevent a snooze while driving and give a comfortable stimulus to the driver, and can realize a stable seating position in driving similar to a normal seat in various types of automobiles. Objective.

  The present invention includes the lower rails installed on the front and rear portions of the upper surface of the support plate, the upper rails facing the lower rails on the bottom surface of the seat plate, and a sphere in contact with the upper and lower rails. The seat plate is configured to be swingable in the left-right direction with respect to the plate, and ball stoppers for restricting the movable range of the seat plate with respect to the support plate are installed at both ends and the center of the upper and lower rails. A seat plate holding portion that curves upward is formed on one side, a belt covering the entire surface of the seat plate including the seat plate holding portion is stretched in the left-right direction, and support legs are provided at each corner of the bottom surface of the support plate, The support leg in a position opposite to the seat plate holding upper part among the support legs is set higher than the other support legs, and the whole is inclined and installed so that the seat plate holding upper part side becomes lower. And

  The front, rear, left, and right are directions assuming that the seat cushion is actually installed on the seat surface of the automobile, and specifically, the direction in which the traveling direction of the automobile is forward. Further, it is desirable that the ball stopper is made of an elastic material such as rubber so that the impact when the sphere contacts the ball stopper is not transmitted to the driver. The seat plate holding portion may be one in which one side of the seat plate is curved, or another member may be installed. Furthermore, in order to increase the cushioning property when sitting on the belt, it is desirable that the seat plate holding portion has a spring property.

  When the main cushion is formed as described above, the driver can sit on the belt body and move his / her waist by itself, so that the driver can swing in the lateral direction intended by the driver by rolling the sphere interposed between the upper and lower rails. In addition, during normal operation, the entire cushion is inclined and the sphere tries to return to the lowest position, so that a force that tries to settle always acts on the seat plate.

The support plate and the seat plate are formed by forming a seat plate holding portion that is curved upward on both left and right sides of the seat plate and spanning a belt covering the entire surface of the seat plate including the seat plate holding portion in the left-right direction. And may be connected by a spring material.

The ability to swing in the left-right direction intended by the driver is the same as in the case where the entire cushion is tilted, and a force that tries to settle the seat plate by the spring material works.

The invention according to claim 2 of the present invention provides an opening hole penetrating up and down in a size that fits the collar portion at a place where the collar portion of the driver is placed on the seat plate, from one side of the seat plate to the opposite side. In addition, since the rope is stretched in the opening hole, and the support plate directly below the opening hole of the seat plate is provided with a facing hole penetrating vertically, when the driver sits on the belt body, the belt body and the rope While supporting the weight, the buttocks fit into the hole due to its elasticity.

  Here, it is desirable that the material of the rope has a strength sufficient to support the weight of the driver and has an appropriate elasticity. In addition, it is desirable to make the hole as large as possible within a range in which the strength of the seat plate and the support plate can be maintained so that drivers of various physiques can be handled.

According to a third aspect of the present invention, a stopper is provided between the support plate and the seat plate to restrict the swinging of the seat plate. By using the stopper, the seat plate and the support plate are provided. Are concatenated.

  Here, the stopper may be freely selected as long as it can stop the swinging of the seat plate by connecting the seat plate and the support plate, such as a hook-shaped stopper, a screw, a hook-and-loop fastener, and the like. .

The invention according to claim 4 of the present invention is an automotive seat in which a support plate portion of the cushion is fixed or has a detachable structure, and the seat plate can be swung in the left-right direction. .

  Here, when connecting the seat and the cushion part, it may come off due to vibration during operation, such as a method using a hook-and-loop fastener, or a method of providing a recessed part and a convex part corresponding to the seat and the cushion part, respectively. If there is no method, you can choose freely. Further, a method may be used in which a hole is formed in the seat seat surface and the entire cushion is embedded therein.

  According to the first aspect of the present invention, drowsiness during driving can be eliminated by swinging the seat surface to the left and right according to the driver's intention. In addition, since the posture can be changed in various ways, it is possible to recover fatigue during driving. In addition, since the entire seat cushion is inclined and the sphere tries to return to the lowest position, the seat plate always receives a force to be settled and can be operated safely. In addition, even if the support plate vibrates due to vertical vibrations while the vehicle is running, the vibrations escape in the tilt direction, so that the vibration of the seat plate can be suppressed.

Further, when the support plate and the seat plate are connected by the spring material , drowsiness during driving and recovery from fatigue can be achieved as in the case where the entire cushion is inclined . In addition, the spring material always exerts a force on the seat plate so that the seat plate can be stabilized, and safe operation can be performed. Furthermore, since the whole is not inclined and there is no support leg, the entire cushion can be made thin.

According to the invention of claim 2, wherein one of the present invention, in addition to the effect of the invention of claim 1 Symbol placement, since supporting the weight of the driver at both the strip and the rope, more stable sitting feeling is obtained Because the saddle sinks below the seat plate seat surface, even if the car has a relatively low interior height, the driver's head does not touch the ceiling of the car and the driver feels as if sitting on a normal seat. be able to.

According to the invention described in claim 3 of the present invention, in addition to the effects of the invention described in claims 1 and 2 , the seat plate can be kept stationary when the function of the present cushion is not used, which is different from a normal cushion. No usability is obtained.

According to the invention of the fourth aspect of the present invention, in addition to the effects of the inventions of the first, second, and third aspects, when the seat and the cushion are integrated, the seat cushion is installed on an existing seat. The whole can be made more compact and can have a uniform appearance.

  A specific configuration of the cushion of the present invention will be described with reference to the drawings.

  As shown in FIGS. 1, 2, and 3, the present automobile cushion includes a seat plate 2 on which a driver sits and a support plate 1 fixed to the seat surface of the seat S. The seat plate 2 is a rectangular flat plate, the left side of which is curved upward to form a seat plate holding upper portion 8, and an opening hole 6 is opened at a central portion on which the driver sits. The rope 4 is stretched in the left-right direction over the entire open hole 6, and the seat belt 3 is stretched in the left-right direction so as to cover the entire surface of the seat plate 2 including the seat plate holding upper portion 8. The support plate 1 is also a rectangular flat plate, and a facing hole 5 is opened at a position directly below the opening hole 6 in the central portion. Support legs 7a, 7b, 7c and 7d are provided at the corners of the bottom surface, and the support legs 7a and 7b on the opposite side of the upper portion of the seat plate are higher than the other support legs 7c and 7d. As a result, as shown in FIGS. 4 (a) and 4 (b), the band 3 is horizontal to the seat S seating surface. In addition, it is possible to improve the sitting comfort and to improve the appearance by covering the band 3 with a soft material cover.

  As shown in FIG. 5, when the driver sits on the belt body 3, the belt body 3 on which the heel part H is placed sinks into the open hole 6 of the seat plate 2, and the rope 4 supports it. Depending on the weight of the driver and the elasticity of the belt 3 and the rope 4, the driver may sink to the facing hole 5 of the support plate 1. Since the position of the buttocks H is lower than the seating surface of the seat plate 2, it becomes a feeling close to the height when sitting on the seat S without placing a cushion. In order to adjust the sitting comfort and the sinking amount according to the preference of the driver, the number of the ropes 4 can be increased or decreased, or the ropes can be stretched in the front-rear direction in addition to the left-right direction.

  As shown in FIGS. 1 and 3, a part of the rear side of the seat plate 2 is bent vertically downward to form a seat plate connecting portion 9. The seat plate connecting portion 9 has a connecting groove 10 and meshes with a U-shaped lower connecting portion 11 installed on the upper surface of the support plate 1. On the other hand, as shown in FIGS. 6 (a) and 6 (b), a U-shaped upper connecting portion 12 is installed on the front side of the bottom surface of the seat plate 2. Similarly, a U-shaped lower connecting portion 11 and They are engaged. The seat plate 2 and the support plate 1 are connected by the connecting portions of the front and rear sides.

  Further, as shown in FIGS. 1, 2, and 7, between the seat plate 2 and the support plate 1, there is an upper rail 19 provided at the front and rear portions of the bottom surface of the seat plate 2, and the upper rail on the upper surface of the support plate 1. There are a lower rail 18 provided at a position corresponding to 19 and a sphere 20 interposed between the upper and lower rails 18 and 19, whereby the seat plate 2 swings in the left-right direction as shown in FIGS. Will move. A ball stopper 21 is provided at both ends and the center of the upper and lower rails 18 and 19 so that a movable range of the seat plate 2 with respect to the support plate 1 is determined.

  As shown in FIG. 4 (a), since the entire cushion is inclined, each sphere 20 tends to return to the lowest position. Can be operated.

  Further, as shown in FIGS. 6 (a) and 6 (b), the stopper according to the present embodiment includes a hook 13 that is pivotally supported by a holding bracket 14 on the front side of the upper surface of the support plate 1 and rotates in the vertical direction. By lifting the front end side of the hook 13, the front end side of the hook 13 is fitted into the fitting recess 15 provided in the upper connecting portion 12, and the swinging of the seat plate 2 to the left and right is restricted. The fitting recess 15 is provided at a position where the hook 13 can be fitted when the seat plate 2 is at the lowermost position.

  Further, as shown in FIG. 2, a positioning tool 16 having an adjustment groove 17 is provided on the rear side of the bottom surface of the support plate 1. By fixing the positioning tool 16 at an appropriate position and coming into contact with the back of the seat, the installation position of the main cushion can be adjusted in accordance with the physique of various drivers or the shape of the seat.

  8 and 9 show a second embodiment of the driver cushion of the present invention. Note that the configurations of the upper and lower rails 18 and 19 and the sphere 20 are the same as those in the first embodiment, and a description thereof is omitted. In the seat cushion, the seat plate 2 is a rectangular flat plate, the left and right sides of the seat plate 2 are curved upward to form a seat plate holding upper portion 8, and an opening hole 6 is opened at a central portion where the driver sits. The rope 4 is stretched in the left-right direction over the entire open hole 6, and the seat belt 3 is stretched in the left-right direction so as to cover the entire surface of the seat plate 2 including the seat plate holding upper portion 8. The support plate 1 is also a rectangular flat plate, and a facing hole 5 is opened at a position directly below the opening hole 6 in the central portion. In addition, a U-shaped upper coupling portion 12 is installed on both sides of the front and back sides of the bottom surface of the seat plate 2 and engages with a U-shaped lower coupling portion 11 installed on the upper surface of the support plate 1. The seat plate 2 and the support plate 1 are connected by these connecting portions. Further, the support plate 1 and the seat plate 2 are connected by a spring material 22. The spring material 22 always exerts a force on the seat plate so that the seat plate can be settled, and a safe operation can be performed.

  FIG. 10 shows an embodiment in which the main cushion is embedded in the seat S seat surface. The structure in which the seat plate 2 swings is the same as that of the seat cushion of the first embodiment described above, but the support legs 7a, 7b, 7c and 7d are eliminated, and the support plate 1 is inclined and embedded in the seat S seat surface. It has a structure. The driver can place the back on the fixed backrest and swing the seat plate 2 in a stable state.

It is a top view which shows the seat cushion for motor vehicles of this invention. It is a top view which shows the state which removed the seat board in FIG. It is a side view which shows the seat cushion for motor vehicles of this invention. (A) and (b) are longitudinal cross-sectional views along the AA line of FIG. 1, and are explanatory views showing the swinging state of the seat plate. It is explanatory drawing which shows the sunk state of the buttocks at the time of sitting, longitudinally cutting the BB line of FIG. (A) is a perspective view which shows the state locked by the stopper of the main cushion, (b) is a perspective view which shows the state which canceled the stopper of the main cushion. FIG. 2 is a vertical sectional view taken along line AA in FIG. 1. It is a top view which shows 2nd Embodiment of the cushion cushion for motor vehicles of this invention. However, the band and the rope are omitted. It is CC sectional view taken on the line of FIG. It is explanatory drawing which shows the Example which embed | buried this cushion on the seat seat surface.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Support plate 2 Seat plate 3 Band 4 Rope 5 Face-to-face hole 6 Open hole 7a, 7b, 7c, 7d Support leg 8 Seat plate holding upper part 18 Lower rail 19 Upper rail 20 Sphere 21 Ball stop 22 Spring material H Buttocks

Claims (4)

Lower rails (18, 18) installed at the front and rear portions of the upper surface of the support plate (1), and upper rails (19, 19) facing the lower rails (18, 18) on the bottom surface of the seat plate (2) And a sphere (20) in contact with each of the upper and lower rails (18, 19) so that the seat plate (2) can swing in the left-right direction with respect to the support plate (1).
A ball stopper (21) for restricting the movable range of the seat plate (2) with respect to the support plate (1) is installed at both ends and the center of the upper and lower rails (18, 19),
A seat plate holding upper part (8) that curves upward is formed on one side of the seat plate (2), and a belt (3) covering the entire surface of the seat plate (2) including the seat plate holding upper part (8) is bridged in the left-right direction. Have passed,
A support leg (7a, 7b, 7c, 7d) is provided at each corner of the bottom surface of the support plate (1), and the opposite side of the seat plate holding upper part (8) of the support leg (7a, 7b, 7c, 7d). The support legs (7a, 7b) in the position of are set higher than the other support legs (7c, 7d), and the whole is inclined so that the seat plate holding upper part (8) side becomes lower. A cushion for automobiles. In the seat plate (2), an opening hole (6) passing through up and down is provided at a place where the driver's buttocks (H) is placed, and the seat plate (2) is located on one side. From the side to the opposite side, a rope (4) is stretched over the open hole (6), and further, the facing hole (5) that vertically penetrates the support plate (1) immediately below the open hole (6) of the seat plate claim 1 Symbol mounting automotive cushion of, characterized in that provided. The automobile according to claim 1 or 2 , wherein a stopper is provided between the support plate (1) and the seat plate (2) for restricting the swinging of the seat plate (2). Cushion for. The support plate (1) of the automobile cushion according to claim 1, 2, or 3 is fixed or has a detachable structure, and the seat plate (2) can be swung left and right. Car seat.