KR102055096B1 - a chair with an incised seat - Google Patents

Abstract

The present invention relates to a chair with a folding seat plate, and more specifically, to a chair with a folding seat plate, which can store many chairs in a narrow space when not in use by providing a seat plate constituting the chair in a rotatable form from the frame, thereby allowing efficient use of a storage space. A structure connecting the frame of the chair and the seat plate is formed in a rotatable manner and a wide range of contact between the seat and the frame is secured to prevent deformation or natural rotation of the seat plate due to user′s load, and assembly of the chair is facilitated, thereby improving daily output according to the improvement of the assembly workability of the chair. The partial repair of the chair is facilitated, thereby reducing the cost of maintenance and repair and extending the life of the chair.

Description

A chair with folding seat plate {a chair with an incised seat}

The present invention relates to a chair in which the seat plate is folded. More specifically, the seat plate constituting the chair is provided in a rotatable form from a frame, so that a large amount of chairs can be stored in a narrow space when not used, thereby efficiently storing a storage space. It can be utilized to form a structure that connects the frame of the chair and the seat plate in a rotatable manner, and can secure a wide range of contact between the seat plate and the frame to prevent deformation or natural rotation of the seat plate by the user's load. At the same time, it is easy to assemble the chair to improve the daily output according to the improvement of the assembly work of the chair, and it is possible to extend the life of the chair by facilitating the partial repair of the chair and lowering the cost of maintenance. A chair with a seat plate having an improved form is folded.

There are various types of chairs, but the main components are the seating part where the user is seated, the leg supporting the seating part, and the backrest that supports the back. In some cases, the head restraint and the headboard or backrest that support the head may be used. Armrests are also formed on both sides.

Our living culture is gradually becoming more sedentary culture that is living in the chair. Therefore, the chair has been developed for the ergonomic aspects of the simple chair so that the chair can sit for a long time and maintain a more comfortable posture. It's happening fast.

Contrary to the development of such ergonomic chairs, folding chairs that fold the chair as a chair for convenience and store it in a minimum volume and then expand it as needed are also used in quite a few places.

The advantage of the folding chair is not only that it is easy to store and move, but also that when it is not used, the folding chair reduces the contamination of foreign matter such as sinking dust in the seat plate.

As shown in FIGS. 1 to 3, the folding chair as described above is configured by connecting the seat plate 2 to the upper part of the frame 1 constituting the chair leg and the armrest in a rotatable form.

In addition, the frame (1) forms a connecting arm (4) protruding to one side in the center portion of the connecting rod (3) connecting the legs, one side of the bottom surface of the seat plate (2) on the connecting arm (4) In the state in which the seat plate part 2 is unfolded while being rotatably connected, the bottom surface is seated on and supported by the upper surface of the connecting rod 3.

However, in the folding chair of the above configuration, when the user is seated on the seat plate in a state in which the seat plate is unfolded for use of the chair, the center of load of the user is in close contact with the bottom surface of the connecting rod 3 and the seat plate 2. When the load is concentrated in the form of a line, when the load by the user is concentrated toward the front side or the rear side of the seat plate part 2, the connection part of the seat plate part 2 and the connecting arm 4 is damaged and the seat plate part 2 shakes. As a result, users often feel insecure when they are seated.

Further, in order to supplement the above problems, as shown in FIG. 3, the auxiliary connecting rods 3 ′ supporting the seat plate part 2 are supported on the front part of the connecting rods 3, but the folding chair as described above. In the long use, the problem that the seat plate shakes due to the load of the user continued to occur.

In addition, looking at the embodiment of the conventional folding chair of another configuration, Patent Registration No. 10-1704640 (Registration Date: February 02, 2017) Chair,

 A backrest having a coupling hole formed at both sides of the lower side, a pair of supports respectively coupled to the coupling holes of the backrest by a coupling member, a fixing member for fixing the pair of supporting members, and a supporting means fixed to the outer peripheral surface of the fixing member. And, it is connected to the support means is installed, consisting of a seat plate portion rotatably installed,

The support means includes a fixture having a fixing hole formed therethrough for fixing the penetrating member, a first connection member connected to one side of the upper part of the fixture, a second connection member connected to the other side of the fixture, and the first connection. A third connecting member formed upwardly connected to the member, a link member having one end rotatably installed at the first connecting member, and another end fixed to the bottom surface of the seat plate, and at the second connecting member and the third connecting member. Characterized in that it further comprises a seating portion formed in the upper surface.

However, the chair of the configuration as described above is characterized in that it has a form to support the seat plate by forming the supporting means on both sides of the seat plate portion, but the configuration as described above also the seat plate is deformed by the load of the user when using the chair for a long time Therefore, a problem occurs that the seat plate shakes, and in particular, there is a problem that the shake of the seat plate continues by maintaining the conventional form that the lower portion of the seat plate is seated in the form of a fixed bar and a line.

Patent Registration No. 10-1928964 (Registration date: December 07, 2018) "Folding chair that the seat slides" Patent Registration No. 10-1854574 (Registration date: April 26, 2018) "Folding chair with sliding seat" Patent Publication No. 10-1715092 (Registration date: March 06, 2017) "Seat sliding folding chair that can adjust the front height of the seat" Patent Registration No. 10-1704640 (Registration date: February 02, 2017) "Chair" Registered Patent Publication No. 10-1532595 (Registration date: June 24, 2015) "Chair folding the seat"

An object of the present invention is to solve such a problem, by seating the seat plate of the chair simply by seating to handle a variety of tasks, and at the same time, when transporting or storing the seat plate in close contact with the backrest fixed, By reducing the area occupied by the chair as much as possible, the small space can be utilized while the unfolded state of the seat plate is supported in the form of a close contact with the frame, which prevents the seat plate from being shaken by the load of the seated person and maintains the unfolded state stably. An improved form of the seat plate is to provide a folding chair.

In addition, another object of the present invention is to form a structure that connects the seat plate rotatably from the frame constituting the chair in the form of a bracket to improve the assembly of the chair and at the same time the partial repair of the chair to facilitate the cost of maintenance It is to provide a chair in which the seat plate portion of the improved form that can extend the life of the chair by lowering the folding.

The chair is folded seat plate according to an embodiment of the present invention for achieving the above object is a frame (1) connected to a pair of legs (5) with a connecting rod (3) of the square, and the frame (1) A chair in which a seat plate portion composed of a seat plate portion 2 rotatably connected to an upper portion of the back plate and a backrest 6 connected to the frame 1 is folded,

A pair of connecting brackets 100 having one side wrapped around the connecting rod 3 and a seat plate installed on the bottom surface of the seat plate 2 and having one side of the connecting bracket 100 rotatably connected therein. It can be achieved by the chair is folded seat plate portion, characterized in that it comprises a bracket (200).

The connecting bracket 100 is formed on the female screw hole 120 and the upper side of the reverse V-shaped receiving groove 110 and the reverse V-shaped receiving groove 110, the upper portion of the connecting rod (3) is formed a wide surface contact surface The upper bracket 150 is integrally formed with a hinge shaft 140 that is hinged and fixed in the seat plate bracket 200 is projected upward on one side having a seating plate 130, and the lower portion of the connecting rod 3 is fitted The lower bracket having a V-shaped receiving groove 160 is formed to open in the middle and the fastening hole 170 which is located on a vertical line with the female screw hole 120 on both sides of the V-shaped receiving groove 160 integrally (180) and the fastening bolt 190 is screwed to the female threaded hole 120 in the state fitted in the fastening hole 170 to press the tightly contact the outer peripheral surface of the connecting rod (3) fitted in the receiving groove (110, 160) It characterized by including).

The seat plate bracket 200 is fixedly installed on the bottom surface of the seat plate portion 2, and the bottom surface 200a of the seat plate bracket 200 of the seat plate portion 2 is a seating plate (top) of the upper portion of the connection bracket 100 ( 130 and the surface contact in a wide state can be stably supported the seat plate (2). A hinge shaft fitting groove 220 and a guide groove 230 in which a plurality of fastening holes 210 are formed inside the seat plate bracket 200 and hinge hinges 140 of the connecting bracket 100 are fixed at one side thereof. It is characterized in that it is formed integrally.

It characterized in that it further comprises a pressing projection 111 for pressing the outer surface of the connecting rod (3) fitted to the inner surface of the reverse V-shaped receiving groove 110 of the upper bracket (150).

It is further included in the inverted V-shaped receiving groove 110 and the V-shaped receiving groove 160 of the lower bracket 180 of the upper bracket 150, further comprising a rubber packing for pressing the outer surface of the connecting rod (3) It is done.

The seat folding the seat according to the present invention, the seat occupant can simply open the seat of the chair seated to handle a variety of tasks, while at the time of transport or storage, the seat occupies the area by occupying close to the backrest, the chair occupies To reduce the maximum, while maintaining the effect of the conventional folding chair can take advantage of the narrow space, the chair is configured to hinge the connection bracket installed on the connecting rod and the seat bracket fixed to the bottom of the seat plate while installing the frame and seat plate Can be expected to improve the assembly performance of the daily output can be improved.

Particularly, the connection bracket is formed by a seating plate having an upper surface in close contact with a bottom surface of a seating bracket installed on a bottom surface of the seating plate in a lengthwise plane shape, thereby contacting the lower portion of the seating plate with a larger area than in the prior art, thereby causing a load generated in the seating portion. It can be dispersed in a large area to prevent deformation due to the load, and even if the load is concentrated in front or rear of the seat plate, the seat plate can be stably supported without shaking. It can be used continuously without damage.

In addition, the connection between the frame and the seat plate is made by a connecting bracket installed on the connecting rod as described above, so even if the seat plate of the chair shakes for long periods of use, the connecting bracket can be easily replaced or repaired, thereby reducing the cost of maintenance of the chair. It is possible, and thus has the effect of extending the life of the chair.

1 to 3 is a view showing a chair folding the seat plate in the prior art
4 is a perspective view of a chair in which the seat plate portion is folded according to the first embodiment of the present invention;
Figure 5 is an exploded perspective view of the connection bracket of the chair folding the seat plate according to the first embodiment of the present invention
6 is a photograph of a state in which a frame and a seat plate are connected by a connecting bracket among chairs in which the seat plate is folded according to the first embodiment of the present invention.
7 is a perspective view of a seat bracket of a chair in which the seat plate portion is folded according to the first embodiment of the present invention;
8 is a cross-sectional view of the seat bracket portion of the chair folded seat plate according to the first embodiment of the present invention
9 is a front view of a chair in which the seat plate portion is folded according to the first embodiment of the present invention;
FIG. 10 is a side view of a state in which the seat plate portion of the chair in which the seat plate portion is folded according to the first embodiment of the present invention is opened; FIG.
11 is a side view of a seat plate portion folded state of the chair is folded seat plate according to the first embodiment of the present invention

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. However, since the description of the present invention is only an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments may be variously modified and may have various forms, and thus, the scope of the present invention should be understood to include equivalents for realizing the technical idea. In addition, the objects or effects presented in the present invention does not mean that a specific embodiment should include all or only such effects, the scope of the present invention should not be understood as being limited thereby.

On the other hand, the meaning of the terms described in the present invention will be understood as follows.

Terms such as "first" and "second" are intended to distinguish one component from another component, and the scope of rights should not be limited by these terms. For example, the first component may be named a second component, and similarly, the second component may also be named a first component.

When a component is referred to as being "connected" to another component, it should be understood that there may be other components in between, although it may be directly connected to the other component. On the other hand, when a component is said to be "directly connected" to another component, it should be understood that there is no other component in between. On the other hand, other expressions describing the relationship between the components, such as "between" and "immediately between" or "neighboring to" and "directly neighboring to", should be interpreted as well.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and terms such as "include" or "have" refer to features, numbers, steps, operations, components, parts, or parts thereof described. It is to be understood that the combination is intended to be present and does not exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, actions, components, parts or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Generally, the terms defined in the dictionary used are to be interpreted to coincide with the meanings in the context of the related art, and should not be interpreted as having ideal or excessively formal meanings unless clearly defined in the present invention.

Now with reference to the drawings with respect to the chair having a double tilting means according to an embodiment of the present invention will be described in detail.

4 is a perspective view of a chair in which the seat plate portion is folded according to the first embodiment of the present invention, and FIG. 5 is an exploded perspective view of a connection bracket of the chair in which the seat plate portion is folded according to the first embodiment of the present invention. 6 is a photograph of a state in which a frame and a seat plate are connected by a connecting bracket among seats in which the seat plate is folded according to the first embodiment of the present invention, and FIG. 7 is a chair in which the seat plate is folded according to the first embodiment of the present invention. 8 is a perspective view of a seat bracket, and FIG. 8 is a cross-sectional view of a seat bracket portion of a chair in which a seat plate portion is folded according to a first embodiment of the present invention, and FIG. 9 is a front view of a chair in which a seat plate portion is folded according to a first embodiment of the present invention. 10 is a side view of a state in which the seat plate portion of the chair in which the seat plate portion is folded according to the first embodiment of the present invention is unfolded, and FIG. 11 is a seat plate portion of the chair in which the seat plate portion is folded according to the first embodiment of the present invention. A side view of himdoen state.

As shown, the chair A in which the seat plate part is folded according to the first embodiment of the present invention includes a frame 1 in which a pair of legs 5 are connected by a quadrangular connecting rod 3, and the frame 1. A chair in which a seat plate portion composed of a seat plate portion 2 and a backrest 6 connected to the frame 1 are rotatably connected to an upper portion of the chair, as long as the outside of the quadrangular connecting rod 3 is wrapped and fixed. It is configured to include a pair of connecting brackets 100, the seat plate bracket 200 is installed to protrude on the bottom surface of the seat plate portion 2 and one side of the connection bracket 100 is connected in a hingeable form therein. .

The connecting bracket 100 is formed on the female thread hole 120 and the upper side of the reverse V-shaped receiving groove 110 and the reverse V-shaped receiving groove 110, the upper portion of the connecting rod (3) is fitted to a wide contact surface The upper bracket 150 and the lower end of the connecting rod 3 are integrally formed with a hinge plate 140 that is hinged and fixed in the seat plate bracket 200, protruding upward from one side of the seating plate 130 to be formed. The lower bracket having a V-shaped receiving groove 160 is formed to open in the middle and the fastening hole 170 which is located on a vertical line with the female screw hole 120 on both sides of the V-shaped receiving groove 160 is integrally formed. (180) and the fastening bolt 190 is screwed to the female threaded hole 120 in the state fitted in the fastening hole 170 to press the tightly contact the outer peripheral surface of the connecting rod (3) fitted in the receiving groove (110, 160) It is configured to include).

In addition, both sides of the reverse V-shaped receiving groove 110 of the upper bracket 150 and the V-shaped receiving groove 160 of the lower bracket 180 are formed wings (112, 161) extending to the outside connecting rod By extending the contact range (connection range) with (3), the connection bracket 100 can be stably maintained without being shaken or bent by the load of the seat plate 2 in a state where the connection bracket 100 is fastened to the connecting rod 3. .

In addition, the reverse V-shaped receiving groove 110 of the upper bracket 150 and the lower bracket 180 is formed after forming a pressing protrusion 111 protruding inward on the inner surface of the reverse V-shaped receiving groove 110 of the upper bracket 150. The connecting rod 3 is inserted into the 110 and the V-shaped accommodating groove 160 and the pressing protrusion 111 protruding inward in the process of tightening the fastening bolt 190 presses one side of the connecting rod 3 to the connecting bracket. (A) is assembled to the outer surface of the connecting rod (3) so that it can be maintained firmly.

Furthermore, a rubber packing (not shown) is fitted into the inverted V-shaped receiving groove 110 of the upper bracket 150 and the V-shaped receiving groove 160 of the lower bracket 180 to press the outer surface of the connecting rod 3. By installing the doubling the tightening force by the fastening bolt 190 and at the same time to prevent natural loosening of the fastening bolt 190 by vibration or external impact.

On the other hand, the seat plate bracket 200 is fixed to the bottom surface of the seat plate portion 2 is formed with a plurality of fastening holes 210 on the inside and the hinge shaft 140 of the connecting bracket 100 is hinged fixed in the middle A hinge shaft fitting groove 220 is formed and the guide shaft 230 which is open in series with the hinge shaft fitting groove 220 is integrally formed.

That is, as shown in Figures 7 to 8 the seat bracket 200 is the hinge shaft 140 of the upper bracket 150 is fitted from the bottom through the guide groove 230, the hinge shaft fitting hole 220 When the upper bracket 150 and the seat plate bracket 200 are connected to each other and the upper surface of the seat plate bracket 200 is brought into close contact with the bottom surface of the seat plate part 2, a part of the fastening hole 210 is seated in the seat plate part 2. ) Is connected to the seat plate portion 2 in a state of being inserted into the inside and is firmly fastened by the bolt 240.

 Hereinafter, an operation process of the chair A in which the seat plate portion according to the present invention configured as described above is folded will be described in detail with reference to FIGS. 10 to 11.

10 is a side view of the seat plate portion of the chair folded state seat according to the first embodiment of the present invention is unfolded, Figure 11 is a seat plate of the chair folded seat portion according to the first embodiment of the present invention Side view of the folded state.

First, when storing the chair A in which the seat plate portion is folded according to the first embodiment of the present invention, the seat plate portion 2 is folded in a state in which the seat plate 2 is rotated close to the vertical. You can keep it.

When using the chair A in which the seat plate portion is folded according to the first embodiment of the present invention, as shown in FIG. 10, the seat plate portion 2 of the chair A in which the seat plate portion is folded and moved to a place where use is needed. When placed horizontally will allow users to sit on the seat plate (2). When the seat plate 2 is horizontally disposed as described above, the seating plate 130 of the upper bracket 150 provided on the connecting rod 3 has a bottom surface 200a of the seat plate bracket 200 formed on the bottom surface of the seat plate 2. Since the bottom surface of the seat bracket 200 and the seating plate 130 are brought into close contact with each other in a face-to-face manner, the seat plate 2 is substantially stably disposed and seated on the upper surface of the seat. Even if the load generated by is concentrated on the front part or the rear part of the seat plate part 2, the load is distributed by the wide contact surface so that it is not damaged and the user can stably maintain the horizontal arrangement of the seat plate part 2. You will be able to sit comfortably.

On the other hand, when the seat plate 2 is rotated and folded for storage when not in use while the seat plate 2 is horizontally arranged as described above, as shown in FIG. 11, the front portion of the seat plate 2 is held. When lifted up, the seating plate 130 and the seat plate bracket 200 of the connection bracket 100 are spaced apart, and the seat plate bracket 200 is rotated by rotating the connection unit 140 of the connection bracket 100 as the rotation axis, thereby substantially leaving the seat bracket. Rotating so that the seat plate portion 2 (200) is connected in the vertical direction.

In addition, in the state in which the seat plate portion 2 is rotated, one surface is in close contact with the backrest portion 6 so as to be stably folded.

As described above, the chair folding the seat plate according to the present invention can be seated by simply seating the seat plate of the chair to handle a variety of tasks, and at the same time when carrying or storing the seat plate in close contact with the backrest, the chair, It can reduce the area occupied to the maximum, and maintain the effect of the conventional folding chair that can utilize a narrow space, but can be expected to improve the assembly of the chair by forming the connection of the frame and the seat plate in the form of a connection bracket and a seat bracket. There are features that can be improved.

In particular, the connecting bracket is formed in the shape of the surface of the upper mounting plate is in close contact with the seat plate portion in close contact with the lower portion of the seat plate in a larger area than the conventional can prevent deformation due to the load generated in the seat plate portion Even if the load is concentrated on the front or rear of the seat, the load is distributed to prevent damage to the part under load, and the seat can be stably supported without shaking, so that the chair is damaged by maintaining the connection between the frame and the seat. There is a feature that can be used continuously without.

In addition, the connection between the frame and the seat plate is made by a connecting bracket assembled to the frame and a seat bracket assembled to the seat as described above, so that the connecting bracket can be easily replaced or repaired even if the seat plate of the chair is shaken for long term use. It is possible to reduce the cost of the maintenance of the chair, and there is a feature that can extend the life of the chair accordingly.

As described above, optimal embodiments have been disclosed in the drawings and the specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not used to limit the meaning or the scope of the present invention described in the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

100: connecting bracket 110: receiving groove
111: pressing projection 112: wing
120: female thread 130: seating plate
140: hinge axis 150: upper bracket
160: receiving groove 161: wing
170: fastening hole 180: lower bracket
190: Fastening bolt 200: Seat bracket
210: fastening hole 220: hinge shaft fitting groove
230: guide groove 240: bolt

Claims (5)

A pair of legs (5) is connected to the frame (1) connected by a connecting rod (3) of the square, the seat plate portion (2) rotatably connected to the upper portion of the connecting rod (3), and the frame (1) In a chair in which the seat plate portion composed of the backrest 6 is folded,
A pair of connecting brackets 100 fixed to wrap the outer surface of the connecting rods 3,
It is installed on the bottom surface of the seat plate portion 2 and includes a seat plate bracket 200 connected to the hinge shaft of the connecting bracket 100 in a hingeable form therein,
The connection bracket 100 is formed on the female thread hole 120 and the upper side formed in both sides of the reverse V-shaped receiving groove 110 and the reverse V-shaped receiving groove 110 open to the lower portion of the connecting rod (3) is fitted. The upper bracket 150 integrally formed with a seating plate 130 having a surface contact surface and a hinge shaft 140 hinged and fixed in the seat plate bracket 200, and a lower portion of the connecting rod 3. The V-shaped receiving groove 160 to be fitted is formed to be opened upward in the middle, and the fastening holes 170 positioned on the vertical line with the female screw hole 120 are formed on both sides of the V-shaped receiving groove 160 integrally. The lower bracket 180, and the fastening to press the close contact with the outer peripheral surface of the connecting rod (3) fitted in the receiving grooves (110, 160) by screwing into the female threaded hole 120 in the fitted state in the fastening hole 170 A bolt 190,
The seat bracket 200 is fixed to the bottom surface of the seat plate 2, a plurality of fastening holes 210 are formed on the inside and the hinge shaft 140 of the connecting bracket 100 is hinged and fixed on one side The guide groove 230 opened adjacent to the hinge shaft fitting groove 220 is formed integrally so that the shaft fitting groove 220 is formed,
The seat bracket 200 is a chair folding the seat plate, characterized in that the hinge is fixed to be rotated around the hinge shaft 140 of the connection bracket 100.
delete delete The method of claim 1,
The seat plate is folded chair, characterized in that it further comprises a pressing projection 111 for pressing the outer surface of the connecting rod (3) fitted to the inner surface of the reverse V-shaped receiving groove (110) of the upper bracket (150).
The method of claim 1,
It is characterized in that it further comprises a rubber packing to be fitted into the inverted V-shaped receiving groove 110 and the V-shaped receiving groove 160 of the lower bracket 180 of the upper bracket 150 to press the outer surface of the connecting rod (3) The chair in which the seat plate part which is made is folded.

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