KR200425352Y1 - Collasible chair - Google Patents

Abstract

The present invention relates to a chair, and more particularly to a folding chair provided with a support means that the user can write.

To this end, the backrest is hinged to be pivoted to the seat side through the connecting members fixed to both sides of the seat, the backrest frame is supported on the ground while wrapping the back of the backrest, and the backrest frame is axially coupled with the connecting member so that the seat pivots up and down, A folding chair having a support frame foldably connected to the back frame and selectively supporting the back frame according to the folded state, the folding chair comprising: a pair of brackets detachably coupled to both sides of the back frame of the back portion of the back; A plate supported in a horizontal state through the bracket to enable writing, and a folding means for folding the plate vertically downward to fold and store the plate, wherein the folding means includes sliding grooves formed on both sides of the plate; The play is formed horizontally from the inner side of the bracket A hinge shaft inserted into the sliding groove to allow rotation and sliding movement of the plate, fixed grooves formed on both sides of the upper surface of the plate, and protruding from an inner surface of the bracket, such that the plate rotates upwardly about the hinge axis of the bracket. And being fixed to the fixing groove in a state in which it is slid to the front of the backrest along the sliding groove toward the back of the back when it is horizontal, so that the plate includes a fixing protrusion that prevents the plate from being rotated further downward about the hinge axis of the bracket. It provides a folding chair characterized by.

Folding chair, shelf, folding, removable, backrest, seat, frame, swivel

Description

Folding chair {Collasible chair}

1 is an exploded perspective view showing a folding chair according to the present invention from the back

2a and 2b is a side view and a plan view showing the unfolded state for use of the plate of the folding chair according to the present invention

3a and 3b is a side view and a plan view showing a folded state of the plate of the folding chair according to the present invention

4A and 4B are a side view and a plan view showing a state in which the folding chair according to the present invention is folded

5a to 5e is a sectional view showing the main part of the folding plate of the folding chair according to the present invention.

Explanation of symbols on the main parts of the drawings

10: backrest 11: backrest connecting member

12: hinge 30: sheet

31: seat connecting member 50: frame

51: back frame 52: support frame

53: linker 53a, 53b: linker shaft

70: shelf 71: plate

80: folding means 81: sliding groove

82: bracket 82a: shaft

83: fixing groove 84: fixing protrusion

85: removable portion 85a: body

The present invention relates to a chair, and more particularly to a folding chair provided with a support means that the user can write.

In general, chairs are widely used in daily life as a tool for providing a person to sit on the body.

In particular, in recent years, various types of chairs are provided so that a user may feel comfortable considering not only the design of the chair but also the functional aspects of the chair.

The chair is usually used in a suit with a desk on which things can be placed. However, the chair is used alone in a place where a large number of people gather temporarily, such as a temporary lecture hall or a concert in an outdoor space.

At this time, the chair as described above should be made of a form that is convenient to store after being used only for a necessary time, due to the nature of being used only temporarily.

To this end, provided is a folding chair, the folding chair comprises a backrest for supporting the back of the user, a seat for supporting the buttocks of the user, and a frame for folding the seat and the backrest.

The frame is divided into a front frame supporting the front of the folding chair and a rear frame supporting the rear of the folding chair.

In this case, the front frame and the rear frame are hinged to each other, so that the volume of the folding chair is reduced while the front frame and the rear frame are folded around the hinge for convenient storage after the folding chair is finished.

However, the folding chair has the following problems.

When the folding chair is used in a place where a lecture content should be written, such as a lecture hall, the user causes inconvenience to the user in writing the lecture contents of the lecturer.

That is, since a means for supporting a memo pad or the like is not provided, the user needs to take a memo paper in his hand or put it on his knee, thus causing a great inconvenience for the user.

The present invention is devised to solve the above problems, and the object of the present invention is to provide a folding chair equipped with a supporting means for supporting a writing paper so that a user can write. .

In order to achieve the above object, the present invention is hinged to the seat back to be rotated to the seat side through the connection member fixed to both sides of the seat, the back of the back support is supported on the ground and the seat is rotated up and down with the connection member A folding chair having an axially coupled backrest frame and a support frame foldably connected to the backrest frame to selectively support the backrest frame according to the folding state, the foldable chair being detachably coupled to both sides of the backrest frame of the backrest portion of the backrest. A pair of brackets, a plate supported in a horizontal state through the bracket to enable writing, and a folding means for folding the plate vertically downward to fold and store the plate, wherein the folding means is provided on both sides of the plate. A sliding groove formed in the inner surface of the bracket A hinge shaft inserted into the sliding groove so as to rotate and slide the plate, the fixing grooves formed on both sides of the upper surface of the plate, and the inner side of the bracket protrude from the inner side of the bracket. It rotates upwards about the hinge axis and when it is level, it is seated in the fixing groove in the state of sliding forward to the back of the backrest along the sliding groove, thereby preventing the plate from rotating downward further about the hinge axis of the bracket. It provides a folding chair characterized in that it comprises a fixing projection.

At this time, the bottom portion of the bracket is formed to be detachable to the back frame, the detachable portion is branched to both sides so as to surround the back frame, coupled to the back frame through a fastening bolt fastened to the ends branched to both sides. Is preferred.

Hereinafter, with reference to the accompanying Figures 1 to 4b described with respect to the folding chair according to a preferred embodiment of the present invention.

As shown in FIG. 1, the folding chair includes a backrest 10, a seat 30, a frame 50, a shelf 70, and a folding means 80.

The backrest 10 serves to support the user's back and is preferably disposed substantially horizontally with respect to the user's back so as to maximize the user's comfort.

In this case, the backrest 10 may further include a cushion, and the backrest 10 may be made of a high pack type.

In addition, the backrest connecting member 11 is coupled in the height direction of the backrest 10 to the left and right sides of the backrest 10, respectively.

The backrest connecting member 11 serves to connect the backrest 10 with the seat 30.

At this time, the lower end of the backrest connecting member 11 is preferably composed of a hinge (12). This, when the sheet connecting member to be described later is connected to the backrest connecting member 11, so that the backrest 10 and the seat 30 is smoothly made while the seat connecting member is rotated around the hinge 12. To do this.

In addition, the seat 30 serves to support the hip of the user and is disposed substantially perpendicular to the backrest 10.

The seat 30 may further include a cushion, and the seat 30 may be formed of a high pack type.

At this time, the sheet connecting member 31 is coupled to both side surfaces of the sheet 30 in the front and rear directions of the seat 30 (referred to as 'rear' of the seat).

The seat connecting member 31 serves to connect the seat 30 to the backrest 10, and the rear end of the seat connecting member 31 is rotatable to the hinge 12 of the backrest connecting member 11. Combined.

In addition, the frame 50 supports the backrest 10 and the seat 30 on the ground, and serves to fold the backrest 10 and the seat 30 together.

In this case, the frame 50 is divided into a backrest frame 51 supporting the backrest 10 and the ground, and a backrest frame 51 supporting the backrest frame 51 and the ground.

At this time, the backrest frame 51 supports the front side of the seat 30 on the ground, and wraps the rear surface of the backrest 10 so as to support the backrest 10 and then extends toward the ground. .

At this time, the rotation shaft 51a is coupled between the backrest frame 51 and the seat connection member 31 such that the seat 30 can be rotated up and down about the backrest frame 51.

In addition, the support frame 52 serves to support the rear side of the seat 30 to the ground.

At this time, one end of the support frame 52 supports a part of the backrest frame 51, and the other end is supported on the ground.

In addition, the linker 53 connects the back frame 51 and the support frame 52, one end of the linker 53 is rotatably connected to the back frame 51, and the other end of the linker 53 is It is rotatably connected to the support frame 52.

Accordingly, the folding of the backrest 10 and the seat 30 is hinge 12 for coupling between the backrest connecting member 11 and the seat connecting member 31, the seat connecting member 31 and the backrest frame 51 Rotation shaft (51a) for connecting, and the linker 53 for connecting the back frame 51 and the support frame 52 is made smoothly interlocked.

In addition, the shelf 70 serves as a support for the user's writing or as a means for placing the user's belongings, and is coupled to the rear portion of the back 10 of the back frame 51.

At this time, the shelf 70 serves as a pedestal and the plate 71 for selectively maintaining a horizontal state with respect to the ground, and the folding means 80 for folding the plate 71 to be in a vertical or horizontal state with respect to the ground It includes.

In this case, the tip of the plate 71 is preferably made to have the same curvature as the curvature of the back of the backrest 10 when the plate 71 is horizontal to the ground.

This is to prevent the front end of the plate 71 from interfering with the back of the back 10 when the plate 71 is unfolded so as to be horizontal to the ground.

Here, the tip of the plate 71 refers to the end of the plate 71 facing the rear surface of the backrest 10 when the plate 71 is horizontal to the ground.

In addition, the folding means 80 serves to fold the plate 71 horizontally or vertically with respect to the ground.

The folding means 80 is a sliding groove 81 formed on both sides of the plate 71, and disposed on both sides of the plate 71, one end is coupled to the backrest frame 51, the other end is the sliding A bracket 82 inserted into the groove 81 and axially coupled to rotatably support the plate 71; a fixing groove 83 formed in the plate 71; and the bracket toward the plate 71. And a fixing protrusion 84 protruding from the inner side surface of 82.

The sliding groove 81 provides a space into which the hinge shaft 82a formed in the bracket 82 can be inserted to allow the plate 71 to rotate, and the sliding groove 81 has a length corresponding to the length of the sliding groove 81. Provide a path through which the plate 71 is moved.

In addition, the bracket 82 serves to selectively couple the plate 71 to the backrest frame 51, and a pair is provided on both sides of the back surface of the backrest 10 of the backrest frame 51.

In this case, the bracket 82 includes a detachable portion 85 to enable detachment of the shelf 70 from the backrest frame 51.

In this case, the detachable portion 85 has the same inner peripheral surface as the outer peripheral surface of the backrest frame 51 and branches to both sides, and when the body 85a surrounds the backrest frame 51, the body ( Fastening means (85b) for fixing the body (85a) to the back frame 51 by penetrating through the ends branched to both sides of the 85a).

At this time, the fastening means (85b) is preferably a fastening method and a fastening force is a solid bolt.

In addition, the fixing groove 83 and the fixing protrusion 84 prevents the plate 71 from being rotated by its own weight and serves to continuously maintain a horizontal state with respect to the ground.

The fixing groove 83 is formed by the length of the fixing protrusion 84 toward the inner side of the plate 71 from both side ends of the plate 71, respectively, the fixing protrusion 84 from the inside of the bracket 82 It protrudes to correspond to the fixing groove (83).

Hereinafter, a process of folding the folding chair and the shelf according to the above configuration will be described with reference to FIGS. 2A to 4B.

Figures 2a and 2b shows a side view and a plan view when a folding chair according to the present invention is used, Figures 3a and 3b shows a side view and a plan view of a plate folded of the shelf downward, Figures 4a and Figure 4b shows a side view and a plan view of the frame folded state, Figure 5a to 5d shows a side cross-sectional view of the main part of the process of folding the plate of the shelf.

2A and 2B, the plate 71 maintains a horizontal state with respect to the ground, and the center of gravity of the plate 71 is at the rear end of the plate 71.

Accordingly, the plate 71 tries to rotate in the direction of the center of gravity around the axis of the bracket 82a by its own weight, but the plate 71 is inserted into the fixing groove 83, so the plate 71 is rotated. ) Is prevented from rotating toward the center of gravity.

Then, after the use of the folding chair, to store the folding chair is required to reduce the volume of the folding chair.

At this time, as can be seen through Figures 3a and 3b, the plate 71 is first folded in a state perpendicular to the ground.

To this end, the user rotates the plate 71 a predetermined angle in the direction opposite to the center of gravity, and the fixing groove 83 of the plate 71 is separated from the fixing protrusion 84 so that the flow of the plate 71 You are free.

The above process can be seen through FIGS. 5A and 5B.

Thereafter, the user pulls the plate 71 so that the plate 71 completely avoids interference from the fixing protrusion 84 and spaces the tip of the plate 71 from the fixing protrusion 84.

In this process, the shaft 82a of the bracket 82 is guided to the sliding groove 81, and the end of the sliding groove 81 is caught by the shaft 82a of the bracket 82, so that the user Excessive flow of the plate 71 is prevented when pulling 71.

The above process can be seen through Figure 5c.

Then, the user folds the plate 71 downward by rotating the plate 71 in the direction of the center of gravity of the plate about the axis 82a of the bracket 82.

At this time, even if the plate 71 is not forcibly folded by the user, the plate 71 is folded downward by its own weight.

The above process can be seen through Figure 5d.

At this time, it is preferable that the plate 71 is not folded upward with respect to the shaft 82a of the bracket 82.

This is because when the plate 71 is folded upward, the upper end of the plate 71 is protruded more than the highest point of the backrest 10 when the back frame 51 and the support frame 52 are folded together. Because it's aesthetically ugly.

Next, as illustrated in FIGS. 4A and 4B, the user presses the backrest 10 and the seat 30 in the same direction so that the backrest 10 and the seat 30 face each other.

In this process, the sheet connecting member 31 is rotated about the hinge 12 formed at the lower end of the backrest connecting member (11).

At the same time, the seat 30 is rotated about the axis of rotation 51a of the backrest frame 51, and the frame 50 is folded by the linker 53.

As a result, folding of the folding chair according to the present invention is convenient to be stored.

On the contrary, in order to expand the folding chair to be used as described above, the procedure is as follows.

First, the backrest 10 and the seat 30 which face each other are unfolded so that the buttocks and the back of the user can be supported by the user.

Thereafter, the plate 71 which is perpendicular to the ground is rotated upward about the hinge axis 82a to maintain a horizontal state with respect to the ground.

Then, the user pushes until the fixing protrusion 84 of the bracket 82 is seated in the fixing groove 83 of the plate 71.

Thereafter, the fixing groove 83 of the plate 71 is caught by the fixing protrusion 84, so that the plate 71 can maintain a horizontal state with respect to the ground.

Accordingly, the folding chair is used in the unfolded state as described above.

According to the folding chair according to the present invention, by the separate shelf is coupled to the folding chair, the user can facilitate writing even in a space used only by the folding chair.

Accordingly, it is possible to solve the inconvenience that the user had to take notes by supporting a memo paper or the like on the part of the body at the time of writing.

In addition, the shelf is provided with folding means to easily fold the shelf, it is possible to efficiently use the storage space when storing the folding chair.

In addition, the shelf is coupled to the bracket to selectively detach the shelf to the frame, it is possible to use the folding chair without the shelf, as well as to easily remove and repair the shelf failure occurs.

Claims (2)

A backrest hinged to pivot to the seat side through a connection member fixed to both sides of the seat, the backrest frame being axially coupled to the connection member so as to be supported on the ground while wrapping the back of the backrest and pivoting up and down the seat, and the backrest frame In the folding chair having a support frame that is foldably connected to the support frame for selectively supporting the back frame according to the folding state, A pair of brackets detachably coupled to both sides of the back frame of the back back portion, a plate supported horizontally through the bracket to enable writing, and a folding means for folding the plate vertically downward to fold and store the plate. Equipped with The folding means may include sliding grooves formed at both sides of the plate, a hinge shaft inserted into the sliding groove so as to be horizontally formed from the inner surface of the bracket to allow the plate to rotate and slide, and both sides of the upper surface of the plate. And a fixed groove formed so as to protrude from the inner surface of the bracket, and the plate is pivoted upwardly about the hinge axis of the bracket and then moved horizontally along the sliding groove toward the back of the backrest when the plate is horizontal. By being seated, the folding chair, characterized in that it comprises a fixing projection for blocking the plate from being rotated further downward about the hinge axis of the bracket. The method of claim 1, The bottom of the bracket, Detachable portion is formed to be detachable to the back frame, The detachable part is branched to both sides to surround the backrest frame, Folding chair characterized in that coupled to the back frame and detachable through a fastening bolt fastened to the ends branched to both sides.

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