KR200422126Y1 - Three times folding type chair - Google Patents

Abstract

The present invention relates to a three-stage folding type chair, and the three-stage folding of the back frame, the front leg frame, and the rear leg frame is effectively reduced in volume when carrying, and the armrests are also foldably attached, the elasticity of the spring It is easy to carry because the folding of the chair is not released when the portable state is moved after folding, and its spring acts as a shock absorber to provide a three-stage folding type chair having a large comfort when seated.

The present invention is the rear leg frame, saddle frame, the back frame is hinged on the same operation line, when folding the rear leg frame, saddle frame, back frame is folded into the inside of the front leg frame, the rear leg frame and the back frame and the back frame At the same time, the hinge piece of the link piece is welded to the upper end, and the front leg frame and the back frame are hinged at both ends of the armrest, respectively, and connecting rods connecting the seats to the saddle frame and the backrest frame, respectively, The rear end is characterized in that both ends of the spring providing the elastic force is coupled.

되므로 휴대가 매우 용이하며, 스프링의 인장력에 의해 절첩후 의자의 움직임으로 인해 임의로 절첩이 해제되지 않고, 의자를 접을 때와 펼때 절반정도의 접혀지거나 펴질 정도의 힘을 가하게 되면 스프링의 복원력에 의해 신속하게 접혀지거나 펴지게 되므로 사용상 편의성이 높으며, 안장시트와 등받이 시트의 연결부에 스프링이 연결되어져 있으므로 착석시 쇽업저버 효과가 있다.When the present invention is applied, the rear leg frame is superimposed on the lower part of the saddle frame when folding, and the back frame is superimposed on the upper part of the saddle frame and folded into the inside of the front leg frame, thereby effectively reducing the volume when folding the entire chair.

Because it is very easy to carry, the folding force is not released by the movement of the chair after folding by the tension force of the spring, and when the folding and unfolding force of the chair is about half folded or stretched, It is easily folded or unfolded, so it is easy to use and has a shock absorber effect when seated because the spring is connected to the connection of the saddle seat and the backrest seat.

Description

Three steps of folding chairs {THREE TIMES FOLDING TYPE CHAIR}

1 is a perspective view showing the configuration of a three-stage folding chair according to an embodiment of the present invention,

Figure 2 is a side view showing the configuration of a three-stage folding chair according to an embodiment of the present invention,

Figure 3 is a side view showing a folded state of the three-stage folding chair according to an embodiment of the present invention,

4 is a perspective view illustrating main parts of a torsion reinforcement plate of a three-stage folding type chair according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

2: 3-fold folding chair, 4: front leg frame,

6: rear leg frame, 8: back frame,

10: saddle frame, 12: link flights,

14: first hinge, 16: second hinge,

18: third hinge, 20: sixth hinge,

22: fourth hinge, 24: fifth hinge,

26: spring, 28: sliding member,

30: armrest, 32: saddle seat,

34: Back seat, 36: Connecting rod.

The present invention relates to a three-stage folding type chair, and in more detail, the three-stage folding of the back frame, the front leg frame, and the rear leg frame is effectively reduced in volume when carrying, and the armrests are also foldably attached, spring It is easy to carry because the folding of the chair is not released arbitrarily when the mobile state is moved after folding by the elastic force, and the spring acts as a shock absorber.

As is well known, the recent five-day work week has led to frequent outdoor activities with family members, and they prefer simple prefabricated tables and chairs for such outdoor activities.

Therefore, the chair used for such outdoor activities should be configured in a vehicle mountable form, and should be folded. Recently, many portable chairs that can be folded to reduce their volume have been introduced, and these portable chairs have been widely used in fishing fields.

In addition, since the chair must be movable in a place where a plurality of chairs such as various outdoor performances are needed, the folding should be possible, and the folding should be made in a structure capable of reducing its volume. Therefore, the situation is that a variety of folding chairs are also supplied for the use of outdoor venues.

However, in the case of such a conventional portable chair, the backrest is not configured, and since the chair composed of the front leg frame and the rear leg frame is mostly unable to support the back, the user must always maintain a good posture, and thus, when the chair is seated. There was a problem that the comfort is significantly reduced.

In addition, the product equipped with the backrest of the conventional portable chair was also released, but in the case of such a portable chair is a structure that simply folds the front and rear frame to the back and back frame when folding, the overall volume is very large, which is inconvenient to carry It was inconvenient because most of the products were not provided with armrests because of the folding structure.

In addition, the conventional portable chair can be easily injured when the user is in a folded state, the folded state is easily released, the portable chair also weighs a lot of weight, so the user's movement when moving in a portable state, the chair is loose It was very inconvenient because the distance or easily folded state is released. In addition, the conventional portable chair does not have a separate shock absorber (Shock Absorber) function has a problem that the comfort is low.

The present invention is made in view of the above-described prior art, the three-fold folding of the back frame, the front leg frame, the rear leg frame is made to effectively reduce the volume when carrying, the armrest is also attached to the folding, spring It is easy to carry because the folding of the chair is not released arbitrarily during the movement of the portable state after folding by the elastic force of the folding, the spring acts as a shock absorber to provide a three-stage folding type chair with a large comfort when seated.

In order to achieve the above object, according to a preferred embodiment of the present invention, the rear leg frame, the saddle frame, the back frame is hinged on the same operation line, when folding the rear leg frame, saddle frame, back frame is the inside of the front leg frame The rear leg frame is hinged to the saddle frame and the backrest frame at the same time is welded to the upper end of the link piece, the front leg frame and the backrest frame is hinged to both ends of the armrest, respectively, the saddle frame and the back frame A connecting rod connecting each of the seats covered on the seat, and the rear end of the saddle frame is provided with a three-stage folding chair characterized in that both ends of the spring providing elastic force is coupled.

Preferably, the saddle frame is hinged to the central predetermined portion of the front leg frame, is provided with a three-stage folding chair characterized in that the hinge is coupled to the central predetermined portion of the link piece welded to the top of the rear leg frame.

Preferably, the back frame is provided with a three-stage folding chair, characterized in that the sliding member is inserted into the lower end, the upper end of the link piece is hinged to the upper portion of the sliding member.

Preferably, the hinge of the saddle frame and the foreleg frame is coupled to one end of the torsion reinforcement plate is hinged on the same axis, the other end is a three-stage section characterized in that the hinge is coupled to the lower predetermined portion of the backrest frame A stool is provided.

Preferably, the spring is maximized when the back frame and the link piece is folded in a straight line, and when the back frame and the link piece are not in a straight line, the spring is folded or stretched by a restoring force of the spring. A three-stage folding chair is provided.

Preferably, the torsion reinforcement plate is provided with a three-stage folding chair, characterized in that the bending groove is formed in the longitudinal direction on one side thereof to increase the reinforcement structure.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a perspective view showing the configuration of a three-stage folding chair according to an embodiment of the present invention, Figure 2 is a side view showing the configuration of a three-stage folding chair according to an embodiment of the present invention.

Referring to this, the three-stage folding chair (2) according to an embodiment of the present invention is a three-stage folding of the back frame, the front leg frame, the rear leg frame is effectively reduced in volume when carrying, can be folded armrests It is attached so that it is easy to carry because the folding of the chair is not released arbitrarily when the mobile state is moved after folding by the elastic force of the spring, and the spring acts as a shock absorber, which makes the chair comfortable.

In general, the conventional portable chair is composed of a back frame and a rear leg frame integrally, and the front leg frame is folded to the back frame and the rear leg frame, so that the overall volume is increased during folding. However, the three-stage folding type chair 2 according to the embodiment of the present invention is basically composed of the front leg frame 4, the rear leg frame 6, the backrest frame 8, and the saddle frame 10 separately. When folded, the rear leg frame 6 and the saddle frame 10 are inserted into the front leg frame 4 while overlapping, and the backrest frame 8 is also inserted into the front leg frame 4 so that the entire volume Is effectively reduced.

More specifically, the three-stage folding type chair 2 according to an embodiment of the present invention is provided with a front leg frame 4 for supporting the front leg of the chair, and the saddle frame (the central predetermined portion of the front leg frame 4) The front end predetermined portion 10 is coupled to the first hinge 14 so as to be rotatable.

In addition, the rear end portion of the saddle frame 10, the center of the link piece 12 is rotatably coupled by the third hinge 18, the lower end of the link piece 12 at a predetermined angle to the rear leg frame (6) is welded.

The lower end of the backrest frame 8 is in close contact with the upper surface of the rear end of the saddle frame 10, and the sliding member 28 made of cured synthetic resin is coupled to the lower end of the backrest frame 8, and the sliding member The lower surface of the 28 is formed in a structure corresponding to the upper surface of the saddle frame 10.

In addition, an upper end of the link piece 12 is rotatably coupled to a lower end predetermined portion of the back frame 8 by a second hinge 16.

A front end of the armrest 30 is rotatably coupled by a fourth hinge 22 to an upper end of the front leg frame 4, and a rear end of the armrest 30 is connected to the back frame by a fifth hinge 24. It is connected to the center predetermined part of (8) so that rotation is possible.

In addition, the saddle frame 10 and the backrest frame 8 is made of a synthetic resin, respectively, and the saddle sheet 32 and the backrest sheet 34 each having a plurality of perforations formed thereon are covered with the saddle sheet 32. And one end of the back seat 34 is connected by a connecting rod 36, one end of the spring 26 is coupled to a predetermined portion of the connecting rod 36, the other end of the spring 26 is the saddle frame It is coupled to the rear end predetermined part of (10).

Meanwhile, one end thereof is coupled to the first hinge 14, and the other end thereof is rotatably coupled to a predetermined portion of the back frame 8 by the sixth hinge 20, thereby providing torsion reinforcement. The plate 33 is provided.

Once, the three-stage folding type chair 2 according to an embodiment of the present invention has a shape as shown in FIG. 2 in an unfolded state, and when the weight W acts downward, the saddle sheet 32 and the back seat As the load is applied to the connecting rod 36 to which the 34 is connected, the spring 26 connected to the connecting rod 36 is extended forward to provide a cushioning force C, thereby increasing comfort.

Figure 3 is a side view showing a folded state of a three-stage folding type chair according to an embodiment of the present invention.

Referring to this, the three-stage folding chair 2 according to an embodiment of the present invention, as shown in Figure 3 during the folding operation, a state in which the lower end of the front leg frame 4 is fixed with feet or hands At the upper end of the backrest frame (8) by pressing forward folded.

Then, the lower end of the backrest frame 8 pushes the second hinge 16 backward with respect to the third hinge 18 of the link piece 12, and the upper end and the first of the backrest frame 8. As the distance between the three hinges 18 increases, the spring 26 is extended.

As shown in FIG. 3, the maximum extension limit of the spring 26 is a state in which the link piece 12 and the back frame 8 are vertical, and at the lower end of the link piece 12, a rear leg frame 6 is provided. Since the link piece 12 and the backrest frame 8 are perpendicular to each other, the lower leg is moved toward the front leg frame 4 when the link piece 12 and the backrest frame 8 are in a vertical state.

In this state, when the upper end of the backrest frame 8 is continuously folded forward, the distance between the upper end of the backrest frame 8 and the third hinge 18 is closer and the restoring force of the spring 26 is increased. Suddenly the chair is folded.

At the time of folding, the rear leg frame 6 is folded into the inside of the front leg frame 4 in a state overlapped with the lower part of the saddle frame 10, and the backrest frame 8 is the saddle frame 10. In the superimposed state of the upper, the front leg is folded into the interior of the frame 4, so that the volume when folding the chair is minimized.

In addition, the three-stage folding chair (2) according to an embodiment of the present invention folded in the folded state completely, in order to straighten the chair again holding the top of the back frame 8 and the saddle frame 10, respectively As shown in FIG. 3, the backrest frame 8 and the saddle frame 10 must be opened in a state where the maximum extension limit of the spring 26 is as shown in FIG. 3. It is easy to carry because the folded state of 2) is not released.

On the other hand, when releasing the three-stage folding type chair 2 according to an embodiment of the present invention, as described above, while holding the upper end of the back frame 8 and the saddle frame 10 with both hands, Spread gradually. Then, as the upper end of the back frame 8 and the saddle frame 10 is opened, as shown in FIG. 3, the maximum extension limit of the spring 26 is reached.

In this state, if the upper end of the backrest frame 8 and the saddle frame 10 are continuously opened, the distance between the upper end of the backrest frame 8 and the third hinge 18 becomes closer, that is, the The lower end of the backrest frame 8 is extended while moving toward the front side of the saddle frame 10.

When the three-stage folding type chair 2 according to the embodiment of the present invention is fully unfolded, as shown in FIG. 1, the sliding member 28 provided at the bottom of the backrest frame 8 is the saddle frame 10. It is in close contact with the rear end of the upper surface, the inner bottom surface of the link piece 12 is in close contact with the rear end of the saddle frame 10, the front leg frame 4 and the rear leg frame 6 is the maximum In a state where the armrest 30 is in a horizontal state with the ground.

4 is a perspective view illustrating main parts of a torsion reinforcement plate of a three-stage folding type chair according to an embodiment of the present invention.

Referring to this, when the torsion reinforcement plate 33 of the three-stage folding type chair 2 according to an embodiment of the present invention is completely unfolded, the three-stage folding type chair 2 according to an embodiment of the present invention, As shown in FIG. 1, the first hinge 14 and the sixth hinge 20 are pivotally coupled to the front leg frame 4 and the backrest frame 8, respectively, to provide reinforcement in the transverse direction. .

In particular, in the case of a portable chair is very vulnerable to torsional force, the three-stage folding type chair 2 according to an embodiment of the present invention provides a separate torsion reinforcement plate 33, the torsion reinforcement plate 33 In order to further secure the supporting force of the torsion reinforcement plate 33 to form a bending groove (33a) bent outward from the inside in the longitudinal direction.

On the other hand, the three-stage folding chair according to an embodiment of the present invention is not limited only to the above-described embodiment is possible various modifications within the scope not departing from the technical gist.

되므로 휴대가 매우 용이하며, 스프링의 인장력에 의해 절첩후 의자의 움직 임으로 인해 임의로 절첩이 해제되지 않고, 의자를 접을 때와 펼때 절반정도의 접혀지거나 펴질 정도의 힘을 가하게 되면 스프링의 복원력에 의해 신속하게 접혀지거나 펴지게 되므로 사용상 편의성이 높으며, 안장시트와 등받이 시트의 연결부에 스프링이 연결되어져 있으므로 착석시 쇽업저버 효과가 있다.As described above, the three-stage folding type chair according to the present invention has a rear leg frame overlapped at the bottom of the saddle frame when folded, and the backrest frame is overlapped at the top of the saddle frame and folded into the inside of the front leg frame when folding the entire chair. Volume is effectively reduced

Because it is very easy to carry, the folding force is not released by the movement of the chair after folding by the tension force of the spring, and when the chair is folded and unfolded when the force of about half of the folded or unfolded is applied by the restoring force of the spring It is easily folded or unfolded, so it is easy to use and has a shock absorber effect when seated because the spring is connected to the connection of the saddle seat and the backrest seat.

Claims (6)

The rear leg frame, the saddle frame and the back frame are hinged on the same operation line, and when folded, the rear leg frame, the saddle frame, the back frame are folded into the inside of the front leg frame, and the rear leg frame is simultaneously held against the saddle frame and the back frame. A hinged link piece is welded to the upper end, and the front leg frame and the back frame are hinged at both ends of the armrest, respectively, and connecting rods connecting the seats respectively covered with the saddle frame and the back frame, and an elastic force at the rear end of the saddle frame. Three-stage folding chair characterized in that both ends of the spring to provide a combined. The three-stage folding chair according to claim 1, wherein the saddle frame is hinged to a central predetermined portion of the front leg frame and hinged to a central predetermined portion of the link piece welded to an upper end of the rear leg frame. The three-stage folding chair according to claim 1, wherein a sliding member is inserted at a lower end of the back frame, and an upper end of a link piece is hinged to an upper portion of the sliding member. According to claim 1, wherein the saddle frame and the front leg frame is coupled to one end of the torsion reinforcement plate is hinged on the same axis, the other end is hinged to the lower predetermined portion of the back frame 3-fold folding chair. The spring structure of claim 1, wherein the spring extends to the maximum when the back frame and the link piece are folded in a straight line, and when the back frame and the link piece are not in a straight line, the spring is folded or extended by a restoring force of the spring. 3-stage folding type chair characterized in that. The chair of claim 4, wherein the torsion reinforcement plate has a structure in which a bending groove is formed in one side thereof in a longitudinal direction to increase reinforcement.

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