KR200388355Y1 - Fack chair with the tention reinforce - Google Patents

Abstract

The present invention is directed to a pack chair, in particular, by installing a tension reinforcement plate in the bending portion of the pack chair that is connected to the seat plate and the back of the chair as a wooden body, to reinforce the rigidity of the chair and to increase the tension The present invention relates to a pack chair with tension reinforced to provide a seating feeling.

As a technical means, the tensioned reinforcement pack chair of the present invention includes a seat plate portion having a backrest and a seat plate integrally formed to be bent to conform to a human body, and a leg seat installed at a lower portion of the seat plate to be used as a seating type. The tension reinforcing plate having the same streamlined curve as that of the bending part is installed on the outside of the bending part to which the back plate and the seat plate of the seat plate part are connected.

Description

Pack chair with the tention reinforce}

The present invention relates to a pack chair, and in particular, by installing a tension reinforcement plate in the bending part connected to the seat plate and the back of the chair to reinforce the rigidity of the pack chair usually made of solid wood and increase the tension to give a stable seating feeling It is about a pack chair reinforced with tension.

In general, pack chair refers to a wooden chair with an ergonomic bend as the backrest and the seatboard are integrated, and is made by compressing thin sheets of wood at high temperature in multiple layers to feel the unique texture and seating of the wood. It is widely used as a seated chair.

And a leg part can be combined with a pack chair as mentioned above, and can also be utilized as a seating type.

1 is a perspective view showing the pack chair grafted with the leg portion as described above, the leg portion 200 is connected to the lower portion of the seat plate portion 100 is made by high-temperature compression of a thin plate of wood through bolts or rivets Is done.

At this time, the seat plate part 100 is formed of the back plate 110 and the seat plate 120 integrally, the seat back 110 and the seating portion 130 is connected to the back plate 110 and the seat plate 120 is connected to And it is formed to be bent as a streamlined to fit the body curve in order to maintain a correct sitting posture to minimize the crowd going to the spine.

The seat plate 100 is a solid and flexible solid wood, such as maple or oak, peel off thinly to a predetermined thickness of about 0.5mm with a rotary machine, etc., cut into the same width and dried for a predetermined time to obtain a pattern wood film After impregnating phenolic resin or melamine resin on the veneer film, and drying, a plurality of dried veneer films were laminated and pressurized at a pressure of about 240 to 260 kg / cm2 while applying heat of about 120 ° C to 160 ° C. It is produced through the step of forming into a laminate.

However, in the case of the conventional pack chair as described above, since it is usually manufactured in a wooden shape as described above has a disadvantage that the elasticity or rigidity is weak compared to the general steel chair.

Particularly, when the seated person leans on the chair, the upper body load must be fully supported at the bending part 130 connecting the backrest and the seat plate. The bending part 130 is also made of wood, so the elasticity is weak, and the user's load is applied to the bending part. When the endurance limit is exceeded, unlike general steel chairs, there is a problem that the risk of injury is higher because it is immediately damaged without passing through a certain plastic area.

The object of the present invention is to solve the problem in view of the prior art as described above, the purpose of the pack chair is usually made of solid wood by installing a tension reinforcement plate in the bending part is connected to the seat plate and the back of the general pack chair It is to provide a tension-packed pack chair that can increase the tension of the bending part and enhance the seating and safety by reinforcing the rigidity.

As a specific means for achieving the above object, the pack chair of the present invention, the seat and the back plate and the seat plate is formed integrally bent to fit the human body, and the leg seat is installed on the lower portion of the seat plate pack chair that is utilized as a seating type The tension reinforcing plate having the same streamlined curvature as the bending part is installed outside the bending part to which the back plate and the seat plate of the seat plate part are connected.

 Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment according to the present invention.

Figure 2 is a perspective view showing a tension-packed pack chair according to the present invention, the seat plate portion 10 formed by high-temperature compression of a plurality of wooden end plate, the seat plate 12 to which the load of the seat is directly transmitted ) And the backrest 11 supporting the lower back and back when the seated person is made of a configuration in which the bending unit 13 is integrally connected. Then, the leg portion 20 is coupled to the lower portion of the seat plate portion 10 through a bolt or rivet to support the seat plate portion 10.

At this time, the backrest 11 and the bending part 13 connecting the backrest 11 and the seat plate 12 have a shape similar to that of a body curve in order to maintain a feeling of seating and a correct seating posture and to minimize the burden on the spine. Ergonomically designed to have

That is, the bending part 13 in contact with the hip portion when seating is made to protrude slightly toward the rear of the chair, and the back has a rounded shape inside the chair to maintain a correct posture based on the human body shape (see FIG. 3). ).

In particular, in the present invention, to the bottom surface of the seat plate 12 via the back 11 so as to reinforce the rigidity of the bending portion 13 to increase the elasticity on the back surface of the bending portion 13 as described above. It is characterized in that the tension reinforcement plate 30 is provided.

Such a tension reinforcing plate 30 has a curve of the same shape as the outer shape of the bending portion, it is preferable to be made of a durable metal material to increase the rigidity and elasticity.

In addition, a plurality of tension pins 32 are provided at the bent central portion of the tension reinforcement plate 30 to further improve the elasticity and rigidity of the tension reinforcement plate 30, and the tension pins 32 are tension reinforcement plates 30. It may be desirable to form an integral part when the first production is made through the casting production.

Next, the assembly relationship assembling the tension reinforcement plate 30 as described above will be described.

Figure 3 is an embodiment showing a state in which the tension reinforcement plate as described above coupled to the seat plate, both ends of the tension reinforcement plate 30, the rivet (R) penetrating them through one side of the backrest 11 and the seat plate 12 It can be seen from the figure shown that it is fixed as).

That is, the curved center portion of the tension reinforcement plate 30 is in close contact with the outside of the bending portion 13, both ends of the tension reinforcement plate 30, the backrest 11 center and one side of the seat plate 12 It is fixed through the rivet (R), to reinforce the support rigidity of the bending portion 13 and to increase the restoring force after deformation by the load.

4 is an embodiment showing another assembly relationship of the tension reinforcement plate, one end of both ends of the tension reinforcement plate 30 in contact with the backrest 11 side through the rivet (R) as in the above embodiment Combined with the backrest 11, the other end is bent end 32 is bent to the lower side of the leg portion 20 is provided through the welding with the horizontal bar 22 provided for rigid reinforcement of the leg portion 20 It may be fixed.

As such a modified embodiment of FIG. 4, as shown in FIG. 5, one end portion of the both ends of the tension reinforcement plate 30, which is in contact with the backrest 11 side, is connected to the backrest through the rivet R as in the above embodiment. The other end portion is provided with the engaging piece 34 bent toward the leg part 20 and the engaging piece 36 perpendicular to the engaging piece 34 at the distal end thereof, so that the engaging piece 36 is the leg part 20. ) May be fixed to the inside of the horizontal bar (22).

According to the configuration as shown in the embodiment shown in Figures 4 to 5, the tension reinforcement plate 30 surrounding the outside when the bending portion 13 is unfolded by the load of the seat is spaced apart from the bending portion 13 It can be prevented, and may serve as a support point when the tension reinforcement plate is deformed by the load.

Tension reinforcement pack chair of the present invention having the assembly configuration as described above, the tension reinforcement plate of the steel having the same curve on the outside of the bending portion 13, where the most load is concentrated among the seat plate portion 10 provided as wood By adding 30 to support it, the stress caused by the load is concentrated to reinforce the support rigidity of the relatively weak bending part 13, as well as to reinforce elasticity and bending rigidity, which is weak in the characteristics of wood, improving safety and seating feeling. You can do it.

In addition, the tension reinforcement plate 30 is provided with a plurality of tension pins 32 in the longitudinal direction in the central portion where the load is concentrated, thereby further improving the restoring force of the tension reinforcement plate due to the load.

In addition, since the tension reinforcement plate 30 is made of a durable metal material, even when a load greater than the endurance limit of the elastic reinforcement plate added to the bending portion is applied, the tension reinforcement plate 30 is not immediately damaged as in the conventional wooden chair. However, since the deformation is performed through the plastic zone to some extent due to the characteristics of the metal material, the risk of injury to the seat occupant due to chair breakage can be significantly reduced.

As described above, according to the tension-packed pack chair of the present invention, the tension reinforcement plate is installed at the bending portion to which the seat plate and the backrest of the general pack chair are connected, thereby increasing the tension of the bending part of the pack chair normally made of solid wood. In addition, there is an effect of further improving the seating and safety by reinforcing rigidity.

Although the present invention has been shown and described in connection with specific embodiments, it is understood that the present invention may be variously modified and changed without departing from the spirit or the scope of the present invention provided by the following claims. It will be appreciated that those skilled in the art can easily know.

1 is a perspective view showing a conventional pack chair.

Figure 2 is a perspective view of a pack chair installed with a tension reinforcement plate according to the present invention.

Figure 3 is a cross-sectional view of the tension reinforcement plate according to an embodiment of the present invention.

4 to 5 are combined cross-sectional view of the tension reinforcement plate according to another embodiment of the present invention.

<Code Description of Major Parts of Drawing>

10 ...

11 ... backrest

12 ... Seat

13 bending part

20 ... leg part

22 ... Horizontal Bar

30.Tension Reinforcement Plate

Claims (6)

In the seat plate part which a backrest and a seat plate are provided as an integrated type, and a leg part is provided in the lower part of this seat plate part, and is utilized by a seating type, The tension reinforcement plate 30 having the same streamlined curve as that of the bending part 13 is installed outside the bending part 13 to which the back plate 11 and the seat plate 12 of the seat plate part 10 are connected. The pack chair which the tension to say was reinforced. The method of claim 1, Tension-reinforced pack chair, characterized in that at least one tension pin 32 is further installed in the longitudinal direction of the outer circumferential surface of the tension reinforcement plate (30). The method of claim 1, The tension reinforcement plate 30 is a tension-packed chair reinforcement, characterized in that the front end of both of the backrest 11 and the seat plate 12 is fixed through the rivet (R) is installed. The method of claim 1, The tension reinforcement plate 30, one end of the both ends of the tension reinforcement plate 30 in contact with the backrest 11 side is coupled to the backrest 11 through the rivet (R), the other end leg portion 20 Tension-reinforced pack chair, characterized in that the bent end 32 is bent to the lower side is fixed to the horizontal bar 22 of the leg portion 20 by welding. The method of claim 1, The tension reinforcement plate 30, one end of the both ends of the tension reinforcement plate 30 in contact with the backrest 11 side is coupled to the backrest 11 through the rivet (R), the other end is a leg portion ( 20) the engaging piece 34 bent to the side and the engaging piece 36 is provided at the distal end of the engaging piece 34 so that the engaging piece 36 is in the horizontal bar 22 of the leg portion 20. Tension reinforcement pack chair, characterized in that the locking is installed. The method according to any one of claims 1 to 5, The tension reinforcing plate 30 is tension-packed chair, characterized in that made of a durable metal material.