KR102172990B1 - Chair with increased seat and back - Google Patents

Abstract

An object of the present invention is to provide a chair having an improved seat plate and backrest structure, and the configuration of the present invention comprises: a seat plate supporting the buttocks of a seated person; A leg 90 provided on the seat plate; A backrest disposed at the rear of the seat plate, wherein the seat plate and the backrest include a core seat 32 having a plurality of mesh-like holes; Including; a shell cover sheet 54 which is foamed on the core sheet 32 to have the core sheet 32 embedded therein, wherein the shell cover sheet 54 is formed on the front surface of the core sheet 32. It is characterized in that the front cover sheet portion is formed on at least the front surface of the core sheet 32 by entering the four holes.

Description

Chair with improved seat and back structure {Chair with increased seat and back}

The present invention relates to a chair having an improved structure of a seat plate and a backrest, and more particularly, to an improved chair having an improved structure such that the seat plate and the backrest have adequate elasticity and strength, and a method of manufacturing the same.

In general, a chair is provided with a seat plate on the leg, and a backrest is provided behind the seat plate, so that the seated person sits with the buttocks on the seat plate, and the backrest is configured to support the back of the seated person from behind.

Meanwhile, among the chairs, there are chairs in which the seat plate and the backrest are formed of cloth. In the case of a chair in which the seat plate and the backrest are made of cloth, a plurality of mesh-shaped holes communicated on both sides of the cloth are formed.

However, in the case where the seat plate and the backrest are made of only fabric, the strength of the seat plate and the backrest itself is relatively weak, so there is a possibility that damage may occur easily. There is a problem that the seat plate may be torn if a child is placed on the cloth seat plate. In addition, when the seat plate and the backrest are damaged, there is a problem that the seat plate frame supporting the seat plate and the backrest frame supporting the backrest must be changed at once. In addition, if liquids such as water or beverages get on the seat plate and back made of cloth, stains are generated even after being wiped off, which is not good for hygiene and aesthetically. It can be said to be a disadvantage in maintenance. In addition, when the seat plate and the backrest are composed of only mesh-type cloth, there is a disadvantage that the seater has a lot of cold feeling on the buttocks or back during the cold winter season.

Domestic registered patent No. 10-0983775 (registered on September 16, 2010) Domestic registered patent No. 10-1355473 (registered on Jan. 20, 2014) Domestic registered patent No. 10-1412406 (registered on Jun 19, 2014) Domestic Public Utility Model No. 20-1990-0000192 (published on Jan. 7, 1990)

It is an object of the present invention to provide a chair with a new seat plate and backrest structure, which is advantageous in maintenance and the like, by improving the structure so that the seat plate and the backrest are not composed of only cloth but have its own elasticity and strength.

According to the present invention for solving the above problem, the seat plate supporting the buttocks of the seated person; Legs provided on the seat plate; A backrest disposed at the rear of the seat plate, wherein the seat plate has a seat panel coupled to the seat frame, and the backrest panel is coupled to the backrest frame; The seat panel and the backrest panel may include a core seat; There is provided a chair having an improved seat plate and a backrest structure comprising; foamed in the core sheet and the outer cover sheet having the core sheet embedded therein.

The core sheet is configured in a sheet shape having a plurality of mesh-like holes communicated on both sides, and a part of the outer cover sheet is combined with the core sheet while being filled for each of the mesh-like holes of the core sheet. .

The outer cover sheet is characterized in that the front cover sheet portion is formed on at least the front surface of the core sheet by entering the plurality of holes in the front surface of the core sheet.

The outer cover sheet is characterized in that the rear cover sheet is formed by surrounding the rear surface of the core sheet.

At least both portions of the core sheet protrude to both sides of the outer cover sheet to form a combined core sheet portion, the seat plate is supported by the seat plate frame, the back support is supported by the back frame, and the core seat formed on the seat plate The coupling core seat portion is connected to the seat plate frame by a seat plate side grip member, and the coupling core seat portion of the core sheet formed on the backrest frame is connected to the backrest frame by a backrest side grip member.

The seat plate frame and the backrest frame are connected to each other by a connection frame, and the seat plate frame is erected and disposed on the backrest frame at the rear of the seat plate frame.

It is configured to further include a seat plate side reinforcing connection bar disposed on the seat plate frame and a back support side reinforcement connection bar disposed on the back support frame, wherein the seat plate side reinforcement connection bar, the seat plate frame bar, and the seat plate side grip member are formed by fasteners. It is connected to each other to grip the coupling core seat portion of the core sheet, and the backrest side reinforcement connection bar, the backrest frame bar, and the backrest side grip member are connected to each other by a fastener to grip the coupling core seat portion of the core sheet. It features.

The connection frame is characterized in that it has a curved connection frame portion when viewed from the side.

The connection frame is characterized in that it has a plurality of ventilation holes communicated on both sides.

The seat plate and the backrest are configured to be integrally connected to each other, and the seat plate and the backrest have a plurality of mesh-shaped holes; It characterized in that it comprises a; foamed in the core sheet, the outer cover sheet in which the core sheet is embedded therein.

The seat plate is characterized in that it is configured to further include a seat plate side folding extension folded to the bottom of the seat plate frame.

The thickness between both sides of the folded extension portion of the seat plate is configured to be thinner than the thickness between both sides of the other portion.

The backrest is characterized in that it is configured to further include a backrest side folded extension portion folded to the bottom of the backrest frame.

It characterized in that the thickness between the two sides of the folded extension portion of the backrest is configured to be thinner than the thickness between both sides of the other portion.

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In addition, according to the present invention, a chair manufacturing method comprising a seat plate supporting the buttocks of a seated person, a leg provided on the seat plate, and a backrest disposed behind the seat plate, wherein the seat plate and the backrest include a plurality of A core sheet with mesh-like holes; There is provided a method for manufacturing a chair with improved seat plate and backrest structure, characterized in that it is configured to include; a shell cover sheet having the core sheet embedded therein by being foamed in the core sheet.

According to the chair according to the present invention, the structure is improved so that the seat plate and the back support themselves have adequate elasticity and strength by covering the core seat plate with a cloth formed with a plurality of mesh-shaped holes as the core seat plate, , Since the strength of the seat plate and the back itself is higher than that of the existing one, it blocks the possibility of damage easily occurring. The back body and seat plate are formed by combining foamed urethane to the core seat plate, thereby solving the problem that the seat plate may be torn even if a child climbs on the seat plate. In addition, if the seat plate and the backrest are damaged, it is very advantageous in maintenance because it is not necessary to change the seat plate frame supporting the seat plate and the backrest frame supporting the backrest at the same time. And, compared to the seat plate and back made of cloth, even if the surface of the urethane foam is stained with liquids such as water or beverage, it can be easily wiped off, but there is no stain after wiping, so it is preferable for hygiene and aesthetically. It can be said that it is advantageous compared to the existing one in maintenance. In addition, when the seat plate and the backrest are configured with only cloth, it looks cold in winter and feels cold when actually sitting.However, the present invention does not look cold and maintains body temperature when sitting, which is relatively advantageous in keeping warm.

1 is a perspective view of a chair according to the present invention
2 is a perspective view of a seat plate core sheet constituting a seat plate, which is a main part of the present invention
3 is a perspective view of a seat panel formed so that the seat plate core sheet shown in FIG. 2 is wrapped with an outer cover sheet
FIG. 4 is a perspective view showing a state in which the coupling core seat part is bent to be coupled to the seat frame in the seat panel shown in FIG. 3 and the disassembled state of the side seat plate grip member
5 is a perspective view of a seat plate formed by assembling the side seat plate grip member shown in FIG. 4 to a seat plate frame
6 is a perspective view of a backrest core sheet constituting another main part of the chair of the present invention, the backrest
7 is a perspective view of a backrest panel formed to surround the seat plate core sheet shown in FIG. 6 with an outer cover sheet
8 is a perspective view showing a state in which the coupling core seat portion is bent to be coupled to the backrest frame in the backrest panel shown in FIG. 7 and an exploded state of the side backrest grip member
9 is a perspective view of a backrest formed by assembling the side backrest grip member shown in FIG. 8 to a backrest frame
10 is a side cross-sectional view of FIG. 1
11 is a perspective view showing the bottom of the seat plate in the chair shown in FIG. 1
12 is a rear perspective view of the chair shown in FIG. 1
13 is a rear view of the chair shown in FIG. 1
14 is a perspective view of a chair according to another embodiment of the present invention (entertainment chair, 3 chairs)
15 is a perspective view showing the bottom of the seat plate in the chair of FIG. 14
16 is a rear perspective view of FIG. 14
Figure 17 is a rear view of Figure 14
18 is a perspective view of a chair according to another embodiment of the present invention

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Objects, features, and advantages of the present invention will be more easily understood by referring to the accompanying drawings and the following detailed description. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

In addition, in describing the constituent elements of the present invention, terms such as first, second, A, B, (a), (b) may be used. These terms are only used to distinguish the component from other components, and the nature, order, or order of the component is not limited by the term. When a component is described as being "connected", "coupled" or "connected" to another component, that component may be directly connected or connected to that other component, but another component between each component It should be understood that may be “connected”, “coupled” or “connected”.

Referring to the drawings, the chair according to the present invention includes a seat plate supporting the buttocks of a seated person, a leg 90 provided on the seat plate, and a backrest disposed at the rear of the seat plate. At this time, in the present invention, the seat panel 30 is configured so that the seat plate and the backrest have a core sheet 32 having a plurality of mesh-like holes, and the seat plate-side skin cover sheet 34 is wrapped, and the backrest core seat 52 is provided as a backrest. It is characterized in that the backrest panel 50 is configured so that the side cover sheet 54 is wrapped. Meanwhile, in the present invention, the seat frame 20 and the seat panel 30 constitute a seat, and the back frame 40 and the back panel 50 constitute a back.

The seat panel 30 is coupled to the seat frame 20. The seat plate frame 20 includes a main seat plate frame portion 22 and a seat plate side grip member 24 coupled to both side ends of the main seat plate frame portion 22.

The main seat plate frame part 22 has a rectangular frame shape. The main seat plate frame part 22 has a structure in which the front seat plate frame bar 22A, the rear seat plate frame bar 22B, and the left and right side seat plate frame bars 22C are connected. The left and right side seat plate frame bars 22C constituting the main seat plate frame part 22 are provided with seat plate coupling grooves in the form of grooves concave at a predetermined depth from the outer surface to the inner surface. A plurality of bosses are provided in the seat plate coupling groove.

The seat plate side grip member 24 is coupled to the left and right side seat plate frame bars 22C of the seat plate frame 20. The seat plate side grip member 24 is provided with a fastener insertion hole communicated on both sides, and the fastener insertion hole in a state in which the seat plate side grip member 24 is seated in the seat plate coupling groove of the side seat plate frame bar 22C. A fastener such as a bolt passing through is fastened to a boss provided in the seat plate coupling groove of the side seat plate frame bar 22C, so that the seat plate side grip member 24 is attached to the side seat plate frame bar 22C of the seat plate frame 20. ) Is detachably attached.

The seat plate frame 20 is provided with a seat plate side reinforcing connecting bar 26. The seat plate side reinforcing connecting bar 26 is disposed on the seat plate frame 20 so as to protrude to the bottom of the seat plate frame 20. The seat plate side reinforcing connection bar 26 is connected to the seat plate frame 20 by fasteners such as bolts. The seat plate side reinforcing connection bar 26 is provided with connection pieces at both ends. A fastener such as a bolt is passed through a fastener through hole provided in the connecting piece and tightened to the side seat plate frame bar 22C of the seat plate frame 20 so that the seat plate side reinforcing connection bar 26 is attached to the seat plate frame 20. Can be detachably combined with. The seat plate side reinforcing connection bar 26 is disposed in the left and right side end directions intersecting the front and rear end directions of the seat plate frame 20. Both ends of the front seat plate frame bar 22A may be configured to be connected to a pair of left and right connecting pieces provided on the seat plate side reinforcing connection bar 26 by fasteners such as bolts. In this case, the front seat frame bar 22A may be omitted.

The seat panel 30 includes a core sheet 32 and a seat cover sheet 34 that is foamed on the core sheet 32 to surround at least the entire surface of the core sheet 32. In the present invention, it is noted in advance that the core sheet 32 constituting the seat panel 30 may be referred to as the seat core sheet 32.

The seat plate core sheet 32 is configured in a sheet shape having a predetermined area with a plurality of mesh-like holes communicated on both sides. The seat plate core sheet 32 is a mesh-like sheet structure having a plurality of holes. The seat plate core sheet 32 has a rectangular mesh network structure.

The outer cover sheet 34 is foamed on the front surface of the seat core sheet 32 so as to surround at least the front surface of the seat core sheet 32. The outer cover sheet 54 is composed of urethane foam. Since the outer cover sheet 34 is made of urethane, it has a suitable cushioning and a suitable rigidity. While the outer cover sheet 34 has adequate cushioning and rigidity, there is a characteristic that it can be bent when a bending force acts. When the outer cover sheet 54 is foamed with urethane from the front surface of the seat core sheet 32, a part of the urethane foam is filled in each of the plurality of mesh-like holes of the seat core seat 32 ) And is combined. In the seat plate-side outer cover sheet 34, a portion filled in each of the plurality of mesh-like holes of the seat plate core sheet 32 is formed as a coupling pin portion. While the inner surface of the outer cover sheet 34 made of foamed urethane is attached to the front of the seat core sheet 32, the seat core core sheet 32 and the outer cover sheet 34 are firmly attached due to the plurality of coupling pins. Become a structured structure. Preferably, the outer cover sheet 34 is also provided on the rear side of the seat plate core sheet 32 by the foamed urethane. The portion of the outer cover sheet 34 that blocks the front and rear surfaces of the seat core seat 32, respectively, becomes a front seat cover seat portion and a rear seat plate outer cover seat portion, and the front seat cover outer cover seat portion and the rear seat plate The outer cover sheet portion is configured to be connected to all of the coupling pin portions filled in the mesh-like holes of the seat plate core sheet 32. The inner surfaces of the front seat cover seat portion and the rear seat seat cover seat portion are all connected to the coupling pin portions filled in each of the mesh-like holes of the seat plate core seat 32. The outer cover sheet 34 can be adopted as long as it has a cushioning material while having its own rigidity other than urethane. On the other hand, it should be noted that there is a case where the outer cover sheet 34 constituting the seat panel 30 is referred to as the seat cover sheet 34.

At this time, the seat plate-side outer cover sheet 34 covers both the upper and lower ends of the seat plate core sheet 32 while exposing a part of the left and right side ends of the seat plate core sheet 32. Some of the left and right side ends of the seat plate core sheet 32 protrude further outward from the left and right side end portions of the seat plate side shell cover sheet 34. A portion of the core sheet 32 further protruding from the left and right side ends of the outer cover sheet 34 becomes a combined core sheet portion 32A.

The seat panel 30 is coupled to the seat frame 20. In the seat panel 30, a portion of the upper portion and a portion of the lower portion are folded to form a front folded seat panel portion and a rear folded seat panel portion. Next, from the seat panel 30, the left and right coupling core seat portions 32A further protruding from the left and right side ends of the outer cover sheet 54 and the left and right both front and rear folding core seat portions 32A are placed in the seat plate frame 20. After inserting into the seat plate coupling grooves inside the left and right side seat plate frame bars 22C, the seat plate side grip member 24 is seated so as to fit into the seat plate coupling groove portion of the side seat plate frame bar 22C, A fastener, such as a bolt, is passed through a fastener insertion hole communicated on both sides of the seat plate side grip member 24 to be fastened to a boss provided in the seat plate coupling groove of the side seat plate frame 20 bar. Then, the seat plate frame bar 22C and the seat plate side grip member 24 grip the left and right side seat plate frame bars 22C of the seat plate frame 20 and the combined core seat portion 32A of the core seat 32 in the seat plate panel 30. Therefore, it is possible to form a seat plate having a structure in which the seat plate panel 30 is stably coupled to the seat plate frame 20.

The backrest panel 50 is supported on the backrest frame 40. The backrest frame 40 includes a main backrest frame portion 42 and a backrest side grip member 44 coupled to both side ends of the main backrest frame portion 42.

The main back frame portion 42 is configured in a square frame shape. The main backrest frame portion 42 has an upper backrest frame bar 42A, a lower backrest frame bar 42B, and side backrest frame bars 42C on both left and right sides. The lower back frame bar 42B may be omitted from the main back frame portion 42. The left and right side backrest frame bars 42C constituting the main backrest frame portion 42 are provided with backrest coupling grooves in the form of grooves concave at a predetermined depth from the outer surface to the inner surface. A plurality of bosses are provided in the backrest coupling groove.

The backrest side grip member 44 is coupled to the left and right side backrest frame bars 42C of the backrest frame 40. The backrest side grip member 44 is provided with a fastener insertion hole communicated on both sides, and the backrest side grip member 44 is seated in the backrest coupling groove of the side backrest frame bar 42C, and the fastener insertion hole A fastener such as a bolt passing through the side backrest frame 40 is fastened to a boss provided in the backrest coupling groove of the bar, so that the backrest side grip member 44 is attached to the side backrest frame bar 42C of the backrest frame 40. ) Is detachably attached.

The backrest frame 40 is provided with a backrest side reinforcing connecting bar 46. A backrest side reinforcing connection bar 46 is disposed on the backrest frame 40 so as to protrude to the bottom of the backrest frame 40. The backrest side reinforcing connection bar 46 is connected to the backrest frame 40 by fasteners such as bolts. The backrest side reinforcing connection bar 46 is provided with connection pieces at both ends. By passing a fastener such as a bolt through the fastener through hole provided in the connecting piece, and tightening it to the side backrest frame bar 42C of the backrest frame 40, the backrest side reinforcing connecting bar 46 is attached to the backrest frame 40. Can be detachably combined with. The backrest side reinforcing connection bar 46 is disposed in the left and right side end directions crossing the front and rear end directions of the backrest frame 40. Both ends of the upper backrest frame bar 42A may be configured to be connected to a pair of left and right connecting pieces provided on the backrest side reinforcing connection bar 46 by fasteners such as bolts. In this case, the upper back frame bar 42A may be omitted.

The backrest panel 50 includes a core sheet 32 and a shell cover sheet 54 that is foamed on the core sheet 32 to surround at least the entire surface of the core sheet 32. In the present invention, it is noted in advance that the core sheet 52 constituting the backrest panel 50 is sometimes referred to as the backrest core sheet 52.

The backrest core sheet 52 is configured in a sheet shape of a predetermined area with a plurality of mesh-like holes communicated on both sides. The backrest core seat 52 is a mesh-like seat structure having a plurality of holes. The backrest core seat 52 has a rectangular mesh network structure.

The outer cover sheet 54 is foamed on the front surface of the backrest core sheet 52 to surround at least the front surface of the backrest core sheet 52. The outer cover sheet 54 is composed of urethane foam. Since the outer cover sheet 54 is made of urethane, it has a suitable cushioning and a suitable rigidity. While the outer cover sheet 54 has adequate cushioning and rigidity, there is a characteristic that it can be bent when a bending force acts. When the outer cover sheet 54 is foamed with urethane from the front surface of the backrest core sheet 52, the backrest core sheet 52 is partially filled in each of the plurality of mesh-shaped holes of the backrest core sheet 52. ) And is combined. In the outer cover sheet 54, a portion filled in each of the plurality of mesh-like holes of the backrest core sheet 52 is formed by a coupling pin portion. The inner surface of the outer cover sheet 54 made of foamed urethane is attached to the front of the back core sheet 52, and at the same time, the back core seat 52 and the outer cover sheet 54 are firmly attached due to the plurality of coupling pins. Become a structured structure. Preferably, the outer cover sheet 54 is also provided on the back side of the backrest core sheet 52 by the foamed urethane. The portion of the outer cover sheet 54 that blocks the front and rear surfaces of the backrest core seat 52, respectively, becomes a front back outer cover seat and a rear back outer cover seat, and the front back outer cover seat and rear back. The outer cover seat portion is configured to be connected to all of the coupling pin portions filled in each of the mesh-like holes of the backrest core seat 52. The inner surfaces of the front backrest outer cover seat portion and the rear backrest outer cover seat portion are all connected to the engaging pin portions filled in each of the mesh-like holes of the backrest core seat 52.

At this time, the outer cover sheet 54 covers both the upper and lower ends of the backrest core sheet 52 while exposing a part of the left and right side ends of the backrest core sheet 52. Part of the left and right side end portions of the backrest core sheet 52 further protrudes outward from the left and right side end portions of the outer cover sheet 54. A portion of the core sheet 32 further protruding from the left and right side ends of the outer cover sheet 54 becomes a combined core sheet portion 32A.

The backrest panel 50 is coupled to the backrest frame 40. In the backrest panel 50, a portion of the upper portion and a portion of the lower portion are folded to form an upper folded back panel portion and a lower folded back panel portion. Next, from the backrest panel 50, the left and right coupling core seat portions 52A and the upper and lower fold coupling core seat portions 52A further protruding from the left and right side ends of the outer cover sheet 54 constitute the backrest frame 40. After inserting into the backrest coupling grooves inside the left and right side backrest frame bars (42C), the backrest side grip member 44 is seated so as to fit into the backrest coupling groove of the side backrest frame bar (42C), and the backrest A fastener such as a bolt is passed through a fastener insertion hole communicated on both sides of the side grip member 44 and fastened to a boss provided in the backrest coupling groove of the side backrest frame 40. Then, in the backrest panel 50, the coupling core seat portions 32A of the core seat 32 are gripped by the left and right side backrest frame bars 42C of the backrest frame 40 and the backrest side grip member 44. Therefore, it is possible to form a backrest having a structure in which the backrest panel 50 is stably coupled to the backrest frame 40.

In summary, the seat plate side reinforcing connection bar 26, the seat plate frame 20 bar, and the seat plate side grip member 24 are connected to each other by fasteners to form a coupling core seat portion 32A of the seat plate core sheet 32. Grip, and the backrest side reinforcing connection bar 46, the backrest frame 40, the bar and the backrest side grip member 44 are connected to each other by a fastener to form a coupling core seat portion 32A of the backrest core sheet 52. It is configured to grip, and the seat panel 30 is coupled to the seat frame 20 to form a seat plate, and the back panel 50 is coupled to the seat frame 40 to form a backrest. The backrest-side outer cover sheet 54 constituting the backrest panel 50 may also be adopted as long as it has a cushioning material while having its own rigidity other than urethane.

In addition, the seat plate side reinforcement connection bar 26 disposed on the seat plate frame 20 and a back support side reinforcement connection bar 46 disposed on the back support frame 40 are further included, and the seat plate side reinforcement connection bar 26 The seat plate frame bar and the seat plate side grip member 24 are connected to each other by a fastener to grip the coupling core seat portion 32A of the core seat 32, and the reinforcing connection bar 46 on the backrest side and the backrest frame bar And the back-side grip member 44 is configured to be connected to each other by a fastener to grip the coupling core seat portion 32A of the core seat 32.

The seat plate frame 20 and the backrest frame 40 are connected to each other by a connection frame 62, and are erected and disposed on the backrest frame 40 at the rear of the seat plate frame 20. The connection frame 62 is configured in a curved shape when viewed from the side. Fasteners such as bolts are coupled to through holes of fasteners adjacent to the upper and lower ends of the connection frame 62, and the fasteners are respectively fastened to the seat frame 20 and the back frame 40, so that the seat frame 20 ) To the rear of the backrest frame 40 is erected and arranged. The seat panel 30 is coupled to the seat frame 20 to form a seat plate, and the back panel 50 is coupled to the back frame 40 to form a backrest, so that a backrest is erected at the rear of the seat plate. Is placed. On the other hand, the connection frame 62 is provided with a plurality of ventilation holes communicated on both sides. Air is circulated through the ventilation hole to allow ventilation.

A mounting support member 70 is connected to the seat plate frame 20 of the seat plate. The mounting support member 70 includes a linear support part 71, a connection support part 73, and an upward support part 75.

The linear support portion 71 extends in a direction parallel to the side seat plate frame bar 22C of the seat plate frame 20. A support piece is provided on the upper surface of the linear support part 71. The support piece is provided at an inner end of the linear support part 71.

The connection support part 73 is connected to the bottom surface of the linear support part 71. The lower end of the connection support part 73 is connected to the bottom surface of the linear support part 71. The connection support portion 73 extends in the vertical direction from the bottom surface of the linear support portion 71. A connection piece coupling hole is provided inside the connection support part 73. The connecting piece coupling hole communicates with the upper surface of the linear support part 71 from the inside of the connection support part 73. A fastener coupling hole communicated with the connection piece coupling hole is provided on the side of the connection support part 73. In addition, a support bar coupling hole communicating with both sides is provided inside the connection support part 73. The support bar coupling hole is disposed below the connecting piece coupling hole. A fastener coupling hole communicating toward the support bar coupling hole is provided at the bottom of the coupling hole of the connecting piece. In addition, a fastener coupling hole communicating toward the support bar coupling hole is provided at a lower end of the connection support part 73.

A connecting piece protrudes from the bottom of the left and right side seat frame bars 22C of the seat frame 20, and the connecting piece is fitted into a connecting piece coupling hole provided in the interior of the mounting support member 70, and the connecting support part ( A fastener such as a bolt through the fastener coupling hole formed on the side of 73) is fastened to the connecting piece. Accordingly, the mounting support member 70 is connected to the left and right side seat plate frame bars 22C of the seat plate frame 20. The linear support part 71 is provided at the inner end of the side seat frame bar 22C while the left and right side seat frame bars 22C of the seat frame 20 are placed on the upper surface of the linear support part 71 The mounting support member (70) is hung on the installed support piece, and at the same time, the connecting piece protrudes from the bottom of the side seat plate frame bar (22C), and the connecting piece is inserted into the connecting piece coupling hole provided in the interior of the mounting support member (70). ), a fastener such as a bolt is fastened to the connecting piece of the side seat plate frame bar 22C in the fastener connecting hole communicated to the side of the connecting support portion 73 of the side plate, and the linear support portion of the mounting support member 70 The structure 71 supports the side seat plate frame bar 22C of the seat plate frame 20 from below. Mounting support members 70 are connected to each of the left and right side seat plate frame bars 22C of the seat plate frame 20. A pair of mounting support members 70 are connected to the left and right sides of the seat plate.

The upward support part 75 is connected to the connection support part 73 and extends upward. The lower end of the upward support part 75 is connected to the connection support part 73 and extends upward. A connection bracket piece extending forward is provided on the upward support part 75. The connection bracket piece is provided with a fastener coupling hole communicated on both sides.

The upward support part 75 is connected to the backrest frame 40. The left and right side backrest frame bars 42C of the backrest frame 40 are provided with a connection bracket piece seating groove at an inner end, so that the connecting bracket piece provided in the upward support part 75 is the side backrest frame bar 42C. In the state of being seated in the mounting groove of the connecting bracket piece of the connecting bracket piece, by fastening a fastener such as a bolt passing through the fastener connecting hole of the connecting bracket piece to the side back frame bar 42C, the upward support of the mounting support member 70 The part 75 takes a structure connected to the backrest frame 40.

Accordingly, the seat plate and the backrest are connected to each other by a pair of mounting support members 70 disposed on both left and right sides, so that the backrest is erected and disposed at the rear of the seat plate. The seat plate and the backrest are connected by the connection frame 62 and at the same time, the seat plate and the backrest are connected to each other by a pair of mounting support members 70.

A support bar 82 is connected to the pair of mounting support members 70. The mounting support member 70 is connected to a seat plate and a backrest and arranged in a pair of left and right, and a support bar coupling hole is provided in the connection support portion 73 of the pair of mounting support members 70, and a pair of The support bar 82 is inserted into the support bar coupling hole of the connection support part 73. Inserting a fastener such as a bolt into the fastener connecting hole communicated with the inside of the support bar connecting hole from the lower end of the connection support portion 73 of the mounting support member 70, and inserting the fastener to the support bar 82 When fastened, the support bar 82 is connected to the pair of mounting support members 70. At this time, the fastener passes through the fastener coupling hole provided at the lower end of the connection support part 73, penetrates the upper and lower ends of the support bar 82, and then the bottom of the connection piece coupling hole above the support bar coupling hole. It can be fastened to the fastener coupling hole formed up to.

Legs 90 are coupled to the support bar 82 so that the leg 90 is provided on the seat plate. A pair of left and right legs 90 are coupled to the support bar 82, so that the legs 90 may be disposed on both left and right sides of the seat plate. The leg 90 is provided with a support bar insertion hole communicated to both sides, and the support bar insertion hole is fitted and coupled to the support bar 82. At this time, the inner bottom of the leg 90 is provided with a fastener coupling hole that communicates to the support bar insertion hole, and a fastener such as a bolt is coupled to the fastener coupling hole from the bottom of the inner bottom, and the fastening By fastening the sphere to the support bar 82, the leg 90 can be fixed to the support bar 82. A pair of legs 90 are disposed on the left and right sides of the seat plate. A pair of legs 90 are disposed outside the pair of mounting support members 70 disposed on both left and right sides of the seat plate. On the other hand, the mounting support member 70 is provided with an armrest.

Therefore, the chair with improved seat plate and backrest structure according to the present invention is not composed of only cloth, but the core seat 32 and the outer cover seat 54 are combined, so that the strength of the seat plate and the backrest itself is increased. Since it is relatively higher than the conventional one, there is an effect that the possibility of damage easily occurring is prevented. There is a problem that the seat plate may be torn when a load such as a child is applied to the seat plate made of cloth, but in the case of the present invention, the core seat 32 is built in and the outer cover sheet 54 having strength is exposed outside. Since it is a double seat structure, it is possible to prevent the seat plate from being easily torn and damaged even if a relatively large load is generated, such as when a child is on the seat plate.

In addition, even if the seat plate and the backrest are damaged, the side seat plate grip member and the side backrest grip member are released without the need to change the seat plate frame 20 supporting the seat plate and the backrest frame 40 supporting the backrest at the same time. It is only necessary to replace the damaged seat panel 30 or the damaged back panel 50. When the seat panel 30 and the backrest panel 50 are damaged, the replacement and installation work is facilitated. In addition, the side seat plate grip member and the side seat plate grip member are detachably coupled to the seat plate frame 20 and the back plate frame 40, and the seat plate panel 30 is removed by the seat plate frame 20 and the side seat plate grip member. Since it is necessary to grip the seat plate connection joint and grip the backrest connection joint of the backrest panel 50 by the backrest frame 40 and the side backrest grip member, the assembly work of the seat panel 30 and the backrest panel 50 is convenient. It is fast and convenient, and the seat panel 30 and the back panel 50 are separated, so you can expect a convenient and quick effect. In addition, liquids such as water or beverages do not get on the seat plate and back made of cloth, but the outer cover sheet 54 is made of a material (for example, urethane foam) that is well wiped from foreign substances. Because of its structure, there is no case of staining due to foreign substances such as water on the outer cover sheet 54, so it is good for hygiene and to maintain a neat state even in terms of aesthetics. It can be said that it is advantageous compared to the existing one in maintenance.

In addition, the seat plate and the back are not composed of only mesh-type cloth, but the outer cover sheet 54 is composed of a relatively warm and soft material (foamed urethane, etc.), so that the seater has a lot of cold feeling on the buttocks or back in winter. It is good to be able to prevent the case. It can be said that it is good for maintaining the body temperature of the seated person in the cold winter.

On the other hand, in the embodiment of the present invention described above, the chair is a single chair, that is, a single chair with a single seat plate and a backrest has been described as an embodiment, but in another embodiment of the present invention, the chair is provided in a plurality of rows. It can be composed of funeral chairs.

In another embodiment of the present invention, at least three or more seat plates and backrests are arranged side by side. A support bar 82, which is longer than a single chair, is coupled to each support bar coupling hole of the connection support portion 73 provided in each of the plurality of seat plates. In addition, a pair of legs 90 are coupled to be adjacent to the left and right ends of the support bar 82. Even in the case of a funeral chair, a support bar insertion hole is provided in the pair of legs 90, and the support bar coupling hole is inserted into the support bar 82, and a pair of legs is used as a fastener such as bolts as in the single chair. (90) can be coupled to the support bar (82). At this time, an armrest member is disposed between the chairs. The downward coupling extension piece of the armrest member is provided with support bar insertion holes communicated to both left and right sides, and the plurality of chairs, in other words, in a state in which the support bar coupling hole of the downward coupling extension piece is coupled to the support bar 82, The armrest member is disposed between the plurality of seat plates and the backrest. Like the leg 90, the armrest member is provided with an armrest.

On the other hand, in the case of another embodiment of the present invention, the seat panel 30 and the backrest panel 50 in the seat panel and the backrest are similar to the structures of the seat panel 30 and the backrest panel 50 of a single chair in the above-described embodiment. , In the funeral chair of another embodiment of the present invention, a redundant description of the effect due to the configuration of the seat panel 30 and the backrest panel 50 will be omitted.

In addition, in the case of another embodiment of the present invention, the seat panel 30 and the backrest panel 50 are not separated but are connected to one body. The seat panel 30 and the backrest panel 50 connected by one body are the same as those of the above-described embodiments, and the seat panel 30 and the backrest panel 50 are composed of the core seat 32 and the outer cover seat 54. ) Is the same as in the above-described embodiment in the structure in which the seat plate frame 20 and the backrest frame 40 are coupled, a redundant description thereof will be omitted. In addition, since another embodiment of the present invention has the same effect as that of the above-described embodiments, the effect due to the configuration of the core sheet 32 and the outer cover sheet 54 will be omitted.

In the above, specific embodiments of the present invention have been described above. However, the spirit and scope of the present invention is not limited to these specific embodiments, and various modifications and variations are possible within the scope of not changing the subject matter of the present invention. Anyone who has it will understand.

Therefore, the embodiments described above are provided to completely inform the scope of the invention to those of ordinary skill in the technical field to which the present invention belongs, and should be understood as illustrative and non-limiting in all respects, The invention is only defined by the scope of the claims.

20. Seat frame 22. Main seat frame part
22A. Front seat frame bar 22B. Rear seat frame bar
22C. Side Seat Frame Bar 24. Seat Side Grip Member
26. Reinforcing connecting bar on the seat plate 30. Seat panel
32. Core seat part 32A. Combined core seat part
34. Outer cover seat 40. Back frame
42. Main back frame part 42A. Upper back frame bar
42B. Lower back frame bar 42C. Side back frame bar
44. Backrest side grip member 46. Backrest side reinforcement connecting bar
50. Backrest panel 52. Backrest core seat
54. Backrest Outer Cover Seat 62. Connecting Frame
70. Mounting support member 82. Support bar
90. Leg

Claims (11)

A seat that supports the seated person's buttocks;
A leg 90 provided on the seat plate;
Consists of including; a backrest disposed at the rear of the seat plate,
The seat plate is coupled to the seat panel 30 to the seat frame 20, and the backrest panel 50 is coupled to the backrest frame 40;
The seat panel 30 and the backrest panel 50,
Core sheets 32 and 52;
Consists of including; an outer cover sheet (34, 54) surrounding at least the entire surface of the core sheet (32, 52),
The core sheet (32, 52) is composed of a sheet shape having a plurality of mesh-like holes communicated on both sides, and a part of the outer cover sheet (34, 54) is the mesh type of the core sheet (32, 52). It is combined with the core sheet 32 and 52 in a state filled in each hole,
At least both portions of the core sheets 32 and 52 protrude to both sides of the outer cover sheets 34 and 54 to form the combined core sheet portions 32A and 52A,
The seat plate is supported by the seat plate frame 20, and the backrest is supported by the backrest frame 40,
Combination of the core seat 32 formed on the seat plate The core seat portion 32A is connected to the seat plate frame 20 by a seat plate side grip member 24, and the core seat 52 formed on the backrest is coupled. The core seat portion 52A is connected to the backrest frame 40 by a backrest side grip member 44,
The seat plate frame 20 and the backrest frame 40 are connected to each other by a connection frame 62, and are erected and arranged on the backrest frame 40 at the rear of the seat plate frame 20,
The seat plate and the backrest are configured to be connected to each other by a pair of mounting support members (70) disposed on both left and right sides.
delete delete The method of claim 1,
The outer cover sheet (34, 54) is characterized in that the front cover sheet portion is formed on at least the front of the core sheet (32, 52) by entering the plurality of holes in the front surface of the core sheet (32, 52). Chair with improved seat and back structure.
The method of claim 4,
The outer cover seat (34, 54) is a chair having an improved seat plate and backrest structure, characterized in that the rear cover seat portion is formed by wrapping the rear surface of the core seat (32, 52).
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