JP4705654B2 - Seat assist grip device - Google Patents

Description

  The present invention relates to a detachable seat assist grip device having a grip portion for maintaining the posture of a user sitting on a seat, and more particularly to a seat assist grip device used for a seat whose seat swings like an automobile.

  Passengers sitting in car seats, especially in the rear seats, are difficult to maintain their posture on roads with continuous curved roads such as saddles, even when seat belts are used, and their bodies are unstable due to sudden stops or sudden starts. There was a risk of becoming.

  Conventionally, various grip devices are known for maintaining the posture of an occupant. For example, Japanese Patent Application Laid-Open No. 2006-117216 (Prior Art 1) relates to “handrail for a simple vehicle seat” and “a handrail for getting on and off a vehicle that is detachably fitted to a support pole of a headrest, There is a description of a handrail for a vehicle seat in which a grip composed of a core tube provided with a heat insulating cylinder is interchangeably locked between both ends of a pair of side plates provided at both ends.

  Japanese Utility Model Laid-Open No. 05-536 (Prior Art 2) has a description of “assist grip mounting structure”. The “Assist Grip Attachment Structure” of Prior Art 2 is “Assist Grip that is fixed to the rear seat side wall of the vehicle body, and the attachment is fixed to the shoulder anchor that supports the shoulder anchor of the seat belt of the front seat. This is an “assist grip mounting structure” that is fastened together with the bracket mounting portion to the vehicle body side by a common fastener.

Other assist grip devices include a headrest assist grip disclosed in Japanese Patent Laid-Open No. 2003-72443 (prior art 3), an assist grip disclosed in Japanese Patent Laid-Open No. 2003-104112 (prior art 4), and Japanese Patent Laid-Open No. 11-151136 ( Prior art 5) describes each of the assist grip devices for seat bags.
JP 2006-117216 A Japanese Utility Model Publication No. 05-536 JP 2003-72443 A JP 2003-104112 A JP-A-11-151136

  The "handrail for a car seat" disclosed in the prior art 1 is attached to the back of the seat of the front seat, and the user sitting on the back seat needs to raise and extend his arms horizontally to grasp the grip. There is a problem that it is difficult and difficult for the elderly and young people to take such a posture for a long time because it becomes an unnatural posture.

  The assist grip disclosed in the prior art 2 is “an assist grip fixed to the rear seat side wall of the vehicle body”, and it is difficult for the user to hold the assist grip for a long time. Further, in the case of the assist grip according to the prior art 2, there is a problem that it is necessary to provide a mounting hole in the vehicle itself in order to fasten the vehicle together, and it is difficult to provide it for various vehicle types.

In order to solve the above problems, a seat assist grip device that can be attached to and detached from a seat where a seat cushion can be raised,
A base portion that can be inserted between the seat cushion and the seat cushion support surface;
A grip support portion erected in a substantially vertical direction on a part of the base portion;
A grip portion provided in a horizontal direction from the grip support portion,
A seat-assist grip device is proposed, in which the base is sandwiched between the seat cushion and the seat cushion support surface when the user sits, and the grip is positioned in front of the user. To do.

  Furthermore, the seat assist grip apparatus described in the column 0008, in which the base portion, the grip support portion, and the grip portion are integrally formed of a synthetic resin having rigidity and flexibility, is proposed.

  Furthermore, the seat assist grip apparatus described in the column 0008 or 0009 is proposed in which the base portion has a cushion material holding portion capable of holding a cushion material made of a flexible material on the upper surface thereof.

  In addition, the seat assist grip device described in any one of the columns 0008 to 0010, in which the base portion is a base portion made of a hollow body having two upper and lower stages, is proposed.

  Furthermore, the seat assist grip device described in any one of columns 0008 to 0011, in which the grip portion is a grip portion to which the simple table can be attached and detached, is proposed.

  According to this invention, since the base portion can be inserted between the seat cushion of the seat where the seat cushion can be raised and the seat cushion supporting surface, the position of the base portion can be easily back and forth and left and right with respect to the seat cushion. Therefore, the position of the grip part with respect to the user can be easily adjusted. Therefore, even for an elderly person or a person with a small body, the position of the grip portion can be set to an optimum position for the user.

  Further, when the grip portion is unnecessary, the base portion, the grip support portion, and the grip portion can be easily removed because they are integrally configured.

  Furthermore, the cushioning function of the seat cushion is improved by having a cushioning material holding part capable of holding a cushioning material made of a flexible material on the upper surface of the base part, and the sliding of the base part by friction between the seat cushion and the cushioning material is improved. Deviation can be prevented and generation of unpleasant noise can be prevented. Further, the cushion function is further improved by the base portion being made of a hollow body having two upper and lower stages.

  Furthermore, since the grip portion is a grip portion to which the simple table can be attached and detached, the simple table can be easily installed for the user by being attached to the grip portion when necessary.

  1 is a perspective view of a seat assist grip device according to an embodiment of the present invention, FIG. 2 is a perspective view in which a cushion material is provided in FIG. 1, and FIG. 3 is a sectional view taken along line AA in FIG. FIG. 4 is a cross-sectional explanatory view showing a state where the user is sitting with the base portion of FIG. 3 inserted between the seat cushion and the seat cushion support surface, and FIG. 5 is a cross-sectional view taken along the line BB of FIG. 5 is a partial cross-sectional view showing the required holding of the cushion material by the cushion material holding portion of FIG. 5, FIG. 7 is a cross-sectional view of the CC line of FIG. 2, and the base portion of FIG. FIG. 8 is a cross-sectional explanatory view showing a state where the user is seated after being inserted into FIG. 9, FIG. 9 is a perspective view in which a simple table is attached to the grip portion, and FIG. 10 is a cross-sectional view taken along the DD line in FIG. FIG. 11 is a cross-sectional view taken along the line EE. Will be described with reference to the seat assist grip device which is an embodiment of the invention in FIGS. 12 to 14 is a perspective view showing a process of installing the seat.

  The seat assist grip device according to one embodiment of the present invention is a seat assist grip device that can be attached to and detached from the seat S so that the seat cushion SC can be raised. SB is a seat back. The seat assist grip device of the present invention includes a base portion 1 that can be inserted between a seat cushion SC and a seat cushion support surface SF, and a grip support portion 2 that is erected in a substantially vertical direction on a part of the base portion 1. And a grip portion 3 provided in the horizontal direction from the grip support portion.

  In this embodiment, the base part 1, the grip support part 2, and the grip part 3 are integrally formed by a blow molding method of a material such as a synthetic resin having rigidity and flexibility such as polypropylene resin (PP resin). Molded.

  The base portion 1 has a substantially square or rectangular shape in plan view, and has a size of about 40 to 45 cm in the front and rear, 40 to 50 cm on the left and right, and about 5 to 7 cm in thickness. In this embodiment, the base portion 1 is formed of a hollow body having two upper and lower stages as shown in FIGS. 3, 4, 7, and 8. The two-stage hollow body of the base portion 1 has a narrow V-shape in which the front end side is the bent portion 10 and the rear end side 11 is open. The hollow body is bent by 180 degrees at the bent portion 10, and the two upper and lower hollow bodies have a function of bending due to pressure from above and below.

  As other embodiment of the base part 1, you may form from the single hollow plate-like body of the substantially similar shape.

  The base portion 1 has a cushion material holding portion 5 capable of holding a cushion material 4 made of a flexible material on the upper surface thereof. The cushion holding portion 5 is provided at two or more places on the front and rear sides of the left and right end portions of the base portion 1, and is composed of two left and right end sides in this embodiment. As shown in FIG. 5, one cushion material holding portion 5 has a holding portion 50 that protrudes further from the left and right end portions of the base portion 1 in the left-right direction, and a linear cut that opens on the surface of the base portion 1. The cut hole 51 is a set. The holding portion 50 is formed as an integral hinge 52 at the connection portion with the base portion 1. As shown in FIG. 6, this one cushion material holding part 5 is bent 180 degrees on the surface side of the base part 1 by the integral hinge 52 and inserted at the tip into the notch part 51 as shown in FIG. The cushion material 4 can be held and fixed on the surface of the base portion 1 by pressing the cushion material 4.

  In this embodiment, the cushion material 4 is a rectangular parallelepiped made of a hard urethane material, and the length is slightly shorter than the length of the base portion 1 in the front-rear direction, about 30 cm, thickness 2 cm, and width 4 cm. As shown in FIG. 2, the cushion material 4 is provided across the left and right sides of the base portion 1 in the front-rear direction. Each cushion material 4 is provided with its front and rear positions fixed to the surface of the base portion 1 by a cushion material holding portion 5 (see FIGS. 2 and 7).

  The grip support portion 2 is formed of a hollow prismatic body or a cylindrical body, and is located at the front end side in the front-rear direction of the base portion 1 and at the position close to either the left or right end, that is, the base portion 1 is horizontal. When placed, it is oriented vertically. An extendable part 20 is provided on the upper part of the grip support part 2 so as to be vertically extendable. A grip portion 3 that is bent 90 degrees in the horizontal direction from the upper end of the grip support portion 2 to the base portion 1 side is formed.

  The grip portion 3 is a wide hollow plate-like body having a width of 10 cm, a thickness of 3 cm, and a length of about 40 to 50 cm, and the base portion 1 is inserted between the seat cushion SC and the seat cushion support surface SF. With the base portion 1 being sandwiched by sitting, it is positioned in a horizontal state in front of the user. The grip portion 3 is provided with a hole 30 in the middle, and is formed so that even a small user such as a child can grasp it.

  A simple table 6 can be removably inserted and attached to the grip portion 3. The simple table 6 is a hollow plate-like body having an insertion hole 60, and is integrally molded by a blow molding method of a material such as a synthetic resin having rigidity and flexibility, such as polypropylene resin (PP resin). Yes. The insertion hole 60 is formed by opening both end portions in the length direction of the plate-like body in the same shape as the cross section of the grip portion 3, and pressing the hollow inner lower surface between the insertion holes 60 on both sides into a convex curve. A plurality of portions 61 are formed. When the grip portion 3 is inserted from the insertion hole 60, the grip portion 3 is pressed from below and the simple table 6 is fixed to the grip portion 3. 62 is a holding hole into which a plastic bottle or the like can be inserted.

  Next, a method for installing the seat assist grip device according to the embodiment of the present invention on the seat will be described with reference to FIGS. 12 to 14 show a rear seat of the automobile, and the seat cushion SC is raised to the seat back SB to represent the seat cushion support surface SF (see FIG. 12).

  In the base part 1 of the seat assist grip device, the cushion material 4 is fixed in advance by the cushion material holding part 5 on the left and right sides of the base part 1. Next, the base portion 1 is placed on the seat cushion support surface SF so that the grip support portion 2 is located on either side of the front of the seat, on the right side of the front in FIG. 13, and the grip portion 3 is provided horizontally at the front of the seat. put on top.

  Next, as shown in FIG. 14, the seat cushion SC is returned to the base portion 1 again horizontally, and the base portion 1 is sandwiched between the seat cushion support surface SF and the lower surface of the seat cushion SC, and the user sits on the seat cushion SC. As a result, the entire seat assist grip device is fixed. At this time, since the cushion material 4 is present on the base portion 1, the frictional force is improved, and the seat cushion SC is less slippery and has a function of ensuring clamping. When the position of the grip portion 3 is desired to be changed depending on the height of the user or the like, it is easy for the user to raise the seat cushion SC and shift and move the position where the base portion 1 is held.

  When the simple table 6 is necessary when eating, etc., when the insertion hole 60 of the simple table 6 is inserted into the grip part 3 and the insertion holes 60, 60 on both sides are penetrated, the pressing part 61 becomes the grip part. 3 can be pressed from below and fixed. At this time, the insertion hole 60 has the same shape as the cross-sectional shape of the grip portion 3 and is wide, so that the entire simple table 6 does not rotate and the simple table 6 can be kept horizontal.

    It is used as a device for assisting the posture of the user sitting on the seat. In particular, in a swinging seat such as an automobile seat, there is a high possibility of being used as a device for assisting the posture of a user sitting on the seat.

A perspective view of a seat assist grip device according to an embodiment of the present invention The perspective view which provided the cushioning material in the seat assist grip apparatus of FIG. AA line sectional view of FIG. Cross-sectional explanatory drawing which shows the state which inserted the base part of FIG. 3 between the seat cushion and the seat cushion support surface, and the user sat down BB sectional view of FIG. FIG. 5 is a partial sectional view showing a cushion material held by the cushion material holding portion shown in FIG. CC sectional view of FIG. Cross-sectional explanatory drawing which shows the state which inserted the base part of FIG. 7 between the seat cushion and the seat cushion support surface, and the user sat down The perspective view which mounted | wore with the simple table in the grip part of the seat assistance grip apparatus which is embodiment of this invention DD sectional view of FIG. EE sectional view of FIG. The perspective explanatory view showing the order which installs the seat assist grip device which is the embodiment of this invention in the seat The perspective explanatory view showing the order which installs the seat assist grip device which is the embodiment of this invention in the seat The perspective explanatory view showing the order which installs the seat assist grip device which is the embodiment of this invention in the seat

Explanation of symbols

1 Base part
10 Folding part
11 Rear edge 2 Grip support
20 Telescopic part 3 Grip part
30 Hole part 4 Cushion material 5 Cushion material holding part
50 Holding part
51 notch
52 Integral Hinge 6 Simple Table
60 insertion hole
61 Pressing part
62 hole

Claims (5)

A seat assist grip device that can be attached to and detached from a seat where the seat cushion can be raised.
A base portion that can be inserted between the seat cushion and the seat cushion support surface;
A grip support portion erected in a substantially vertical direction on a part of the base portion;
A grip portion provided in a horizontal direction from the grip support portion,
A seat assist grip device, wherein a base portion is sandwiched by inserting a base portion between a seat cushion and a seat cushion supporting surface and a user sits, and a grip portion is positioned in front of the user.   The seat assist grip device according to claim 1, wherein the base portion, the grip support portion, and the grip portion are integrally formed of a synthetic resin having rigidity and flexibility.   The seat assist grip device according to claim 1 or 2, wherein the base portion is a base portion having a cushion material holding portion capable of holding a cushion material made of a flexible material on an upper surface thereof.   The seat assist grip device according to any one of claims 1 to 3, wherein the base portion is a base portion made of a hollow body having two upper and lower stages.   The seat assist grip device according to any one of claims 1 to 4, wherein the grip portion is a grip portion to which the simple table can be attached and detached.

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