JP6847284B2 - Mounting structure of a sitting chair - Google Patents

Description

The present invention relates to a mounting structure for a standing chair that is suitably used for bleachers, spectators' seats in a stadium, and the like.

Conventionally, the upright chairs used for bleachers and spectators' seats in stadiums are provided with a back, a seat, and seat support members provided on both sides of the back, and the seat can be seated in a position where the seat can be seated. The one that is supported by the seat support member so as to be swingable between the upright position and the upright position is used.

Some bleachers and spectators' seats in stadiums are still equipped with fixed chairs, which are not seated upright chairs, but whose seats are still fixed at the position of use. Compared to fixed chairs, seated upright chairs can secure a wider aisle between chairs and can increase the size of the back and seat, so they can be seated up instead of fixed chairs. The number of cases of introducing chairs is increasing.

Japanese Unexamined Patent Publication No. 2009-160030

In view of the above circumstances, a project is being proposed to replace the bleachers and stadium spectators who use fixed chairs with upright chairs. Therefore, there is a demand for a structure and a method for easily replacing a fixed chair with a sitting upright chair.

The present invention relates to a seat-standing chair mounting structure that reduces the burden of replacement work from a conventional fixed chair and also ensures safety.

Mounting structure of the seat upright type chair of the invention, the juxtaposed bar-like member of at least two, a mounting structure of the seat upright type chair is placed on the rod-like member, the two provided on the rod member, and a mounting portion of a pair of supporting a swingable said seat is disposed between the mounting portion comprising a top of the pair of front SL two rod-like member, and, A cover that covers the space between the two rod-shaped members is provided.

According to the mounting structure of the upright chair of the present invention, it is possible to reduce the burden of replacement work from the conventional fixed chair and to ensure safety.

FIG. 1 is a perspective view showing a state in which a plurality of upright chairs according to the embodiment of the present invention are installed. FIG. 2 is an enlarged view showing the upright chair and the nuki material of the embodiment, (a) is an enlarged view showing the seat and the back attachment portion of the upright chair, and (b) is the back. Enlarged view showing the state where the attachment part is attached to the nuki material. 3A and 3B are views showing a cover which is a part of an upright chair, FIG. 3A is a front view of the cover, FIG. 3B is a plan view of the cover, and FIG. 3C is a side view of the cover. FIG. 4 is a diagram showing a procedure for arranging a sitting upright chair on a piercing material, FIG. 4A is a diagram showing a state in which a cover is arranged on the piercing material, and FIG. The figure which shows the state which arranges the attachment part of the back of the upright chair, (c) shows the state which arranges the sitting upright chair on the piercing material. FIG. 5 is a diagram showing a space formed between a pair of mounting portions and two rod-shaped members without a cover.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a state in which a plurality of upright chairs according to the embodiment of the present invention are installed. The upright chair 10 can be installed on the slab 20 arranged on the legs 30 fixed to the floor of a theater, a stadium, or the like. The sitting upright chair 10 includes a back 12 that supports a person's back and a seat 14. The seat 14 is connected to the back 12 by a seat support shaft 18, and the seat 14 can swing around the seat support shaft 18 between a position in which a person can sit and a standing position in which a person is flipped up. is there. FIG. 1 shows a state in which the seat 14 is in an unused standing position.

The upright chair 10 of FIG. 1 is arranged with a passageway in front of and behind the chair 10. As shown in FIG. 1, since the seat 14 stands up in the unused state, the width of the aisle can be made larger than that of the fixed chair in which the conventional seat is fixed in the used state and does not swing. Is easy to pass through. Further, since the back 12 and the seat 14 can be made larger in size, the sitting comfort can be improved as compared with the conventional fixed chair. For this reason, there are many cases where upright chairs are used for the spectators' seats in the newly installed stadiums. In addition, in the stadiums where conventional fixed chairs are installed, there are cases where the chairs are replaced with upright chairs.

FIG. 2 is an enlarged view showing a sitting upright chair 10 and a nuki member 20. As shown in FIG. 2A, the back 12 of the upright chair 10 has a pair of plate-shaped mounting portions 12a at the lowermost end thereof. The attachment portion 12a extends inward from the lateral end of the back 12, and a space X is provided between the pair of attachment portions 12a. The upright chair 10 further includes a cover 16 arranged on the penetrating material 20 so as to fill the space X (see FIG. 1).

As shown in FIGS. 1 and 2B, the penetrating material 20 is composed of two rod-shaped members 22 and 24 arranged in parallel. In the present embodiment, the rod-shaped members 22 and 24 are formed of a long cylindrical member having a circular cross section, and are arranged in parallel with each other at a predetermined distance. Then, the attachment portion 12a of the back 12 is arranged and installed on the rod-shaped members 22 and 24 of the nuki member 20.

The cover 16 is provided in the space X between the pair of mounting portions 12a, and at the same time covers the space Y formed between the two rod-shaped members 22 and 24. Further, the pair of mounting portions 12a have bolt holes 12b that can be screwed with the bolts on the lower surface thereof (see FIG. 2A). Then, as shown in FIG. 2B, with the pair of mounting portions 12a arranged on the two rod-shaped members 22 and 24, the fixing member 28 having a passing hole through which the bolt 26 can pass is formed. It is arranged below the two rod-shaped members 22 and 24, and the bolt 26 passes through the passing hole from below the two rod-shaped members 22 and 24 and is screwed into the bolt hole 12b. With such a structure, the upright chair 10 is installed and fixed on the two rod-shaped members 22 and 24 constituting the nuki member 20.

3A and 3B are views showing a cover 16 which is a part of the upright chair 10, FIG. 3A is a front view of the cover 16, FIG. 3B is a plan view of the cover 16, and FIG. c) shows a side view of the cover 16, respectively. The cover 16 has an overall shape of a flat plate, and a substantially elliptical sign portion 16a is provided in front of the cover 16, and a sticker or the like indicating a seat number can be attached to the sign portion 16a. Further, the cover 16 includes an upper surface portion 16c to which an advertisement or the like can be attached, a protruding portion 16b protruding from both ends, and a convex portion 16d protruding downward from the back surface of the upper surface portion 16c. A part of the convex portion 16d has been deleted, and a curved front curved recess 16e and a curved rear curved recess 16f are formed, respectively.

FIG. 4 is a diagram showing a procedure for arranging the upright chair 10 on the piercing member 20. First, as shown in FIG. 4A, the operator arranges the cover 16 on the two rod-shaped members 22 and 24 of the penetrating material 20. The front curved recess 16e and the rear curved recess 16f of the cover 16 shown in FIG. 3 have a curved shape along the two rod-shaped members 22 and 24, and the front curved recess 16e and the rear curved recess 16f are , Stablely arranged on the two rod-shaped members 22, 24.

Next, as shown in FIG. 4B, the operator lifts the sitting upright chair 10 so as to align the pair of mounting portions 12a of the back 12 of the sitting upright chair 10 on both sides of the cover 16. After that, bring it closer to the piercing material 20. Then, as shown in FIG. 4C, the operator arranges the sitting upright chair 10 on the two rod-shaped members 22 and 24 of the penetrating material 20. In this case, a pair of mounting portions 12a are arranged on the protruding portions 16b at both ends of the cover 16 shown in FIG. As a result, the cover 16 can be engaged with the pair of mounting portions 12a to suppress the lateral movement of the cover 16 and prevent only the cover 16 from coming off.

Finally, as shown in FIG. 2B, the operator attaches the bolt 26 and the fixing member 28 to the two rod-shaped members 22, 24 and the pair of attachment portions 12a from below. That is, the operator passes the bolt 26 from below the two rod-shaped members 22 and 24 through the passing hole of the fixing member 28 and screwes the bolt 26 into the bolt hole 12b (see FIG. 2A). As a result, the pair of mounting portions 12a of the back 12 presses the protruding portion 16b of the cover 16 toward the two rod-shaped members 22 and 24 from the top, and the bolt 26 presses the fixing member 28 from the bottom 2 Press against the rod-shaped members 22, 24 and a pair of mounting portions of the book. In the present embodiment, in the final installation state, the protruding portion 16b does not directly contact the two rod-shaped members 22, 24, but the fixing member 28 is a pair of the two rod-shaped members 22, 24 and the fixing member 28. It comes into direct contact with the lower surface of the mounting portion 12a.

As a result, the pair of mounting portions 12a and the cover 16 of the back 12 are integrally and surely fixed to the two rod-shaped members 22 and 24 of the penetrating material 20, and the sitting upright chair 10 can be stably installed. Secured. Finally, as shown in FIG. 4C, the upper surface of the pair of mounting portions 12a and the upper surface portion 16c of the cover 16 form a single plane S facing the lower surface of the seat 14 located at the position of use. Will be done. Since a substantially single flat surface S is formed on the upper side of the pair of mounting portions 12a and the cover 16 and no protrusions or steps are formed, the seat 14 smoothly moves to the use position when a person wants to sit on the seat 14. It is possible to do.

FIG. 5 is a diagram showing a state in which a space X and a space Y are formed in a state where the sitting upright chair 10 is arranged on the two rod-shaped members 22 and 24 without attaching the cover 16. If the cover 16 is not used, such a space is formed, so that a hand or the like may be inadvertently caught in the space. However, by attaching the cover 16, the sitting upright chair 10 can be attached. Not only the convenience but also the safety is improved. In the present embodiment, with the cover 16 arranged on the two rod-shaped members 22 and 24, the convex portion 16d on the back surface (lower surface) of the cover 16 and the upper end of the leg 30 are connected to the two rod-shaped members by bolts 32. The fixing member 34 fixed to 22 and 24 comes into contact with each other. Therefore, the cover 16 is more stably arranged on the two rod-shaped members 22, 24.

When a conventional chair such as a fixed chair is arranged on the two rod-shaped members 22 and 24 and the chair is replaced with the upright chair 10 of the present embodiment, the conventional chair is replaced with two conventional chairs. After removing from the rod-shaped members 22 and 24, it is possible to arrange the sitting upright chair 10 by the procedure shown in FIG. Therefore, it is possible to arrange the sitting upright chair 10 while leaving the nuki member 20 and the legs 30 in the conventional state. The work of replacing the penetrating material 20 and the legs 30 is a heavy work, and by using the upright chair 10 of the present embodiment, the burden of the replacement work can be reduced. That is, it is possible to easily replace the fixed chair with a sitting upright chair without spending time and cost.

In the above embodiment, the cover 16 is formed separately from the pair of attachment portions 12a of the back 12, but the cover 16 may be integrally molded with the attachment portions 12a.

The materials of the parts and parts constituting the upright chair 10 are not particularly limited such as metal and resin. Further, in the present embodiment, the penetrating material 20 is composed of two rod-shaped members 22 and 24, but the number of rod-shaped members constituting the penetrating material is two or more, and there is a space between them. If there is, there is no particular limitation.

The present invention is not limited to the above-described embodiment, and can be appropriately modified, improved, and the like. In addition, the material, shape, size, numerical value, form, number, arrangement location, etc. of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

The mounting structure of the upright chair according to the present invention can reduce the time and cost burden of the replacement work by reducing the burden of the replacement work from the conventional fixed chair, and further, safety. Is also secured.

10 Seat upright chair 12 Back 12a Pair of mounting parts 14 Seat 16 Cover 16b Protruding part 20 Penetrating material 22, 24 Rod-shaped member 30 Leg S Single plane X, Y Space

Claims (4)

It is a mounting structure of at least two parallel rod-shaped members and a sitting upright chair installed on the rod-shaped members.
A pair of mounting portions provided on the two rod-shaped members to support the swingable seat, and
Is disposed between the mounting portion of the pair A at top of a previous SL two rod-like member, and a cover for covering the space between the two rod-like member,
The mounting structure of the upright chair equipped with. The mounting structure of the upright chair according to claim 1.
A seat-standing chair mounting structure in which the pair of mounting portions and the cover form a single plane facing the lower surface of the seat located at the used position. The mounting structure of the upright chair according to claim 1.
The cover has protrusions protruding from both ends and has protrusions.
A mounting structure for a seated upright chair in which the pair of mounting portions is arranged on the protruding portion. The mounting structure of the upright chair according to claim 3.
Each of the pair of mounting portions has a bolt hole
A fixing member having a through hole through which a bolt can pass is arranged below the two rod-shaped members.
When the bolt passes through the passage hole from below the two rod-shaped members and is screwed into the bolt hole, the pair of mounting portions attaches the protruding portion from above to the two rod-shaped members. A seat-standing chair mounting structure in which the bolt presses the fixing member from below toward the two rod-shaped members and the pair of mounting portions.

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