JPH0923948A - Bench - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use seat plates as the structural binding materials of left and right side plates and to attain structurally strong connection by fitting and fixing the left and right end parts of the seat plates to the seat plate fitting recessed parts of the left and right side plates provided with leg parts. SOLUTION: This bench 10 is composed of the left and right side plates 11 and the plural seat plates 12 and back plates 13 to be set across the side plates 11. The side plate 11 is provided with the two front and back leg parts 14 and 15 and an armrest part 16 and is provided with the seat plate fitting recessed parts 17 and back plate fitting recessed parts 18 on the inner surface side. In this case, since the left and right end parts of the seat plates 12 are fitted and fixed to the seat plate fitting recessed parts 17 of the left and right side plates 11 provided with the leg parts 14 and 15 or further, the left and right ends of the back plates 13 are fitted and fixed to the back plate fitting recessed parts 18 of the left and right side plates 11, the seat plates 12 or the back plates 13 are used for the structural connection materials of the left and right side plates 11. Thus, the left and right side plates 11 are structurally strongly connected by the seat plates 12 or the back plates 13 with a simple structure.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a bench suitable for being installed outdoors in a park or the like.

[0002]

2. Description of the Related Art Conventionally, a seat plate supporting portion and a back plate supporting portion are provided on the left and right legs made of cast iron or the like, and wooden supporting plates are attached to these supporting portions.
A bench made of wooden backboards is used.

[0003]

However, the prior art has the following problems. The seat plate and back plate are the seat plate support part and the back plate support part of the left and right legs
It is only fixed with screws, and the seat plate and back plate cannot serve as a structural connecting material for the left and right legs. Therefore, it is necessary to sufficiently secure a structure for structurally firmly connecting the left and right legs in a portion other than the mounting structure of the seat plate and the back plate, which complicates the structure.

When the seat plate and the back plate are made of wood, the wooden mouth exposed to the outside thereof is exposed to rainwater and absorbs water into the plate, which easily causes corrosion and cracks and shortens the bench life.

The left and right legs are strong enough to withstand bench loads,
It is necessary to have rigidity, and it is difficult to form it with resin. Therefore, the left and right legs have cast iron properties, etc., and are expensive due to rust prevention treatment.

An object of the present invention is to provide a bench having a simple structure, high strength and long life.

Another object of the present invention is to provide a bench which is inexpensive and has high strength and high rigidity.

[0008]

According to a first aspect of the present invention, in a bench in which left and right leg parts are provided with seat plates, the left and right side plates are provided with the leg parts and the seat plate fitting recesses are provided. The left and right ends of the seat plate are fitted and fixed in the seat plate fitting recesses of the left and right side plates.

According to a second aspect of the present invention, in addition to the first aspect of the present invention, the left and right side plates are further provided with back plate fitting recesses and armrests, and the left and right end portions of the back plate are the left and right side plates. It is fitted and fixed in the back plate fitting recess.

According to a third aspect of the present invention, in addition to the first or second aspect of the present invention, drainage passages are provided in the fitting recesses provided in the left and right side plates.

The present invention described in claim 4 is the first to third aspects of the present invention.
In the present invention as described in 1, the left and right side plates are rotationally molded resin bodies, and the side plate outer surface forming portion of the resin body and the fitting recess end surface forming portion on the side plate inner surface side are joined and integrated with each other. .

According to the present invention described in claims 1 and 2, the following operational effects are obtained. Fitting and fixing the left and right ends of the seat plate in the seat plate fitting recesses of the left and right side plates equipped with legs, or by fitting and fixing the left and right ends of the back plate in the back plate fitting recesses of the left and right side plates. Therefore, the seat plate or the back plate serves as a structural connecting material for the left and right side plates. Therefore, the left and right side plates can be structurally and firmly connected to each other by the seat plate or the back plate with a simple structure.

A structure other than the seat plate or the back plate for structurally connecting the left and right side plates may be provided as a subordinate, if desired.

When the seat plate and the back plate are made of wood, their wood openings are fitted into the seat plate fitting recess and the back plate fitting recess.
The cusps are not exposed to the outside and exposed to rainwater. Therefore, it is possible to prevent the seat plate and the back plate from absorbing water from their wood mouths and causing their corrosion and cracking, so that the bench life can be extended.

The present invention according to claim 3 has the following operational effects. Drainage channels were provided in the seat plate fitting recesses and the back plate fitting recesses provided on the left and right side plates. Therefore, even if rainwater enters the fitting recesses, the rainwater does not stay in the fitting recesses. As a result, it is possible to avoid water absorption from the mouth of the seat plate and the back plate into the plate, and to prevent corrosion and cracking.

According to the present invention described in claim 4, the following operational effects are obtained. The left and right side plates are rotationally molded resin bodies, and the side plate outer surface forming portion of the resin body and the fitting recess end surface forming portion on the side plate inner surface side are joined and integrated with each other. Therefore, the side plate is different from a simple shell-shaped rotational molding resin body, and the fitting recess forming portion is like a reinforcing rib connecting the inside and outside of the resin body. As a result, it is possible to provide the side plate with resin while having strength and rigidity capable of withstanding a bench load. In addition, since the side plate is made of resin, it is not necessary to perform a rust preventive treatment, and the cost can be reduced.

[0017]

1 is a side view showing an example of a bench, FIG. 2 is a side sectional view showing the bench, FIG. 3 is a front view showing a side plate, FIG. 4 is a plan view showing the side plate, and FIG. 1 is a sectional view taken along line VV, FIG. 6 is a sectional view taken along line VI-VI in FIG. 5, and FIG.
Is a schematic view showing a modified example of the drainage channel, FIG. 8 is a front view showing the bench, and FIG. 9 is a plan view showing the bench.

As shown in FIGS. 1, 2, 8 and 9, the bench 10 is composed of left and right side plates 11, 11 and a plurality of seat plates 12 and a back plate 13 bridged over them. .

The side plate 11 is provided with two front and rear leg portions 14 and 15 and an armrest portion 16, and a seat plate fitting recess 17 and a back plate fitting recess 18 on the inner surface side thereof.

As shown in FIGS. 1 to 4, the side plate 11 is a shell-shaped resin body formed by rotational molding of a resin such as polyethylene or polypropylene. The rotation molding of the side plate 11 is performed, for example, as
It is done as in (1) to (4). (1) Put resin powder in the mold.

(2) The mold is placed in an oven and rotated biaxially during the heating time. The resin in the mold is heated and melted by the heat transmitted from the mold wall, and uniformly adheres to the inner surface of the mold to become a product.

(3) Cool the mold with cooling water or the like until the product is solidified. (4) Release the product.

The seat plate 12 and the back plate 13 are made of wood, and can be made of redwood material or cypress material (preserved).

In the bench 10, as shown in FIGS. 1, 2, 5, and 6, the seat plate fitting recesses 1 of the left and right side plates 11 are provided.
The left and right ends of the seat plate 12 are fitted and fixed to the seat plate 7, and the left and right ends of the back plate 18 are fitted and fixed to the back plate fitting recesses 18 of the left and right side plates 11.

At this time, the seat plate fitting recess 17 and the back plate fitting recess 18 provided on the side plate 11 are respectively one seat plate 12 and one back plate 13.
A partition wall 19 is provided between adjacent fitting recesses 17 and 18 so that only the fitting recesses 17 and 18 can be fitted, and the ends of the seat plate 12 and the back plate 13 are fitted into the fitting recesses 17 and 18 with a small gap, or It is good to fit tightly with no gap and to improve the fitting strength.

Further, the side plate 11 has a recess 21 for bolt insertion work which is recessed on the back side of the seat plate fitting recess 17 and the back plate fitting recess 18 so that an operator's hand, tool, etc. can enter. Bolt insertion hole 23 surrounded by the bolt insertion boss 22
And a bolt 24 that is inserted into the bolt insertion hole 23.
Onime nut 25 embedded in seat plate 12 and back plate 13
It can be screwed to. As a result, the seat plate 12 and the back plate 13 are firmly fitted and fixed in the seat plate fitting recess 17 and the back plate fitting recess 18.

As shown in FIGS. 5 (A) and 6, the side plate 11 has a side plate outer surface forming portion 31 of the rotationally molded resin body and a fitting recess end surface forming portion 32 on the side plate inner surface side. They are fused together and joined together. As a result, the side plate 11 includes the side plate outer surface forming portion 31 and the fitting recess end surface forming portion 32.
Compared with the case where (1) and (2) are separated from each other (FIG. 5 (B)), the fitting recess forming portions 33 of the fitting recesses 17 and 18 are made like resin body reinforcing ribs, and the strength and rigidity thereof can be improved.

Further, the side plate 11 has the fitting recesses 17, 18 respectively.
The drainage channel 34 at the lowest point in the vertical direction in each of the
(Large groove) is provided (FIGS. 2 and 5). This drainage channel 34
As shown in FIG. 5, the rainwater that has entered the fitting recesses 17 and 18 is provided with a downward slope from the inner side of the fitting recesses 17 and 18 (the fitting recess end face forming portion 32 side) toward the opening side thereof. Can be discharged smoothly. As shown in FIG. 7, the drainage passage 34 may be formed of a plurality of large grooves provided on the bottom surfaces of the fitting recesses 17 and 18.

In the bench 10, as shown in FIG. 2, the ribs 3 provided on the back surface of the seat plate fitting recess 17 of the left and right side plates 11 (or the back surface of the back plate fitting recess 18).
A secondary connecting material 36 is laid between 5 and 35.
37 is a bolt. Further, the leg portions 14 and 15 are provided with a fixing bolt insertion hole 38.

The effects of the bench 10 will be described below. The left and right ends of the seat plate 12 are fitted and fixed in the seat plate fitting recesses 17 of the left and right side plates 11 having the legs 14 and 15, or the back plate 13 is fitted in the back plate fitting recesses 18 of the left and right side plates 11. Since the left and right ends are fitted and fixed, the seat plate 12 or the back plate 13 serves as a structural connecting member for the left and right side plates 11. Therefore, the left and right side plates 11 can be structurally and firmly connected by the seat plate 12 or the back plate 13 with a simple structure.

Structures other than the seat plate 12 and the back plate 13 for structurally connecting the left and right side plates 11 are sufficient if they are secondarily provided as desired.

When the seat plate 12 and the back plate 13 are made of wood,
Since the wood openings are fitted to the seat plate fitting recess 17 and the back plate fitting recess 18, the wood openings are not exposed to the outside and exposed to rainwater. Therefore, it is possible to prevent the seat plate 12 and the back plate 13 from absorbing water from their wood mouths to cause corrosion and cracking thereof, and to extend the life of the bench.

Seat plate fitting recesses 1 provided on the left and right side plates 11
7. The drainage passage 34 is provided in the back plate fitting recess 18. Therefore,
Even if rainwater enters the fitting recesses 17 and 18, the rainwater does not stay in the fitting recesses 17 and 18. As a result, it is possible to avoid water absorption from the mouth of the seat plate 12 and the back plate 13 into the plate, and to prevent the corrosion and cracks from occurring.

The left and right side plates 11 are rotationally molded resin bodies, and the side plate outer surface forming portion 31 of the resin body and the fitting recess end surface forming portion 32 on the inner surface side of the side plate 11 are joined and integrated with each other. Therefore, the side plate 11 is different from a mere shell-shaped rotational molding resin body, and the fitting recess forming portion 33 is like a reinforcing rib connecting the inside and outside of the resin body. As a result, the side plate 11 can be formed of resin while having strength and rigidity capable of withstanding a bench load. Further, since the side plate 11 is made of resin, it is not necessary to apply a rustproofing treatment, and the cost can be reduced.

Since the side plate 11 is composed of a shell-shaped resin body formed by rotational molding, the bench 1 is lightweight and highly stable.
0 can be formed. Further, the armrest portion 16 can easily secure a wide space for placing articles such as eating and drinking tools thereon.

The present invention can be added and modified as follows. (1) The relief portion 41 is provided on the outer surface of the side plate 11, and various characters, figures, etc. can be formed therein.

(2) The fitting recess provided on the side plate is not always 1
Not only the seat plate and the back plate are fitted, but two or more seat plates and the back plate are fitted and arranged in a state that they are adjacent to each other in a single fitting recess. May be.

(3) The secondary connecting material 36 that is bridged over the left and right side plates is not essential. (4) The side plate 11 is not necessarily formed by rotation molding, but may be formed by another resin molding method such as blow molding.

(5) The side plate 11 is not necessarily made of resin, but may be made of cast iron or the like. (6) The bench does not necessarily have to have the back plate, but may have only the seat plate.

[0040]

As described above, according to the present invention, a bench having a simple structure, high strength and long life can be obtained.

Further, according to the present invention, an inexpensive bench having high strength and high rigidity can be obtained.

[Brief description of drawings]

FIG. 1 is a side view showing an example of a bench.

FIG. 2 is a side sectional view showing a bench.

FIG. 3 is a front view showing a side plate.

FIG. 4 is a plan view showing a side plate.

5 is a cross-sectional view taken along the line VV of FIG.

FIG. 6 is a sectional view taken along the line VI-VI in FIG. 5;

FIG. 7 is a schematic diagram showing a modified example of the drainage channel.

FIG. 8 is a front view showing a bench.

FIG. 9 is a plan view showing a bench.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Bench 11 Side plate 12 Seat plate 13 Back plate 14, 15 Legs 17 Seat plate fitting recess 18 Back plate fitting recess 31 Side plate outer surface forming part 32 Fitting recess end surface forming part 34 Water drainage channel

Claims (4)

[Claims] 1. A bench comprising left and right leg portions with seat plates bridged between the left and right side plates having leg portions and seat plate fitting recesses, the left and right end portions of the seat plate being seated on the left and right side plates. A bench characterized by being fitted and fixed in a plate fitting recess. 2. The bench according to claim 1, wherein the left and right side plates are also provided with back plate fitting recesses and armrests, and the left and right end portions of the back plate are fitted and fixed in the back plate fitting recesses of the left and right side plates. . 3. The bench according to claim 1, wherein the fitting recesses provided in the left and right side plates are provided with drainage passages. 4. The left and right side plates are rotationally molded resin bodies, and the side plate outer surface forming portion of the resin body and the fitting recess end surface forming portion on the side plate inner surface side are joined and integrated with each other.
The bench according to any one of 3 above.