KR200450927Y1 - Chair - Google Patents

Abstract

The present invention relates to a seat folding chair, more specifically the horizontal bar (15) left and right support leg 10 and the rear leg 12 is connected to the left and right legs 10, the seat plate portion 20 to the upper support leg And a backrest 30, wherein the seat plate 20 is horizontally supported by the fixing bracket 41 and the coupling recesses 41a and 42a of the coupling bracket 42 fixed to the inner housing 40. The stopper 25 fixedly installed in the enclosure is formed by coupling to the bar 15 to be wrapped and supported, and the horizontal bar 15 forms a guide part 13 having an operation guide groove 13a in a predetermined circumferential section. Guided by the operation guide groove is configured to limit the rotation range of the seat plate constant, the horizontal bar 15 and the housing 40 is fixed to both ends of the elastic member 50 is installed on the seat plate portion ( 20) is provided so that the vertical folding and folding, so that the assembly structure of each part is simple, robust Due to the simple structure, the seat plate is elastically folded and the backrest is elastically flown to provide excellent economy, manufacturing productivity, ease of use, and comfort.

Chair, seat, folding, bullet, assembly

Description

Seat folding chair {Chair}

The present invention relates to a seat folding chair, and more specifically, to provide a simple and robust assembly structure of each part, as well as the seat plate is elastically folded and the backrest is elastically flown by a simple structure to improve the economics, manufacturing productivity and It relates to a seat folding chair that provides excellent ease of use, comfort and the like.

In general, a chair is composed of a support leg, a seat plate, a backrest, and is widely used in life so that a person can sit while relying on a body.

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

For example, the chair is provided with a folding function of a seat plate, a flow function of a backrest, and the like.

However, the conventional chair has a complicated structure for imparting a function, and its parts are expensive, resulting in a decrease in manufacturing productivity and economic efficiency.

In addition, the assembly structure is complicated, there was a problem that the assembly productivity is lowered.

The development of technology to improve the problem of the conventional chair is continuing, but the overall composition is not enough to escape the limitation of granting only a fragmentary function.

Accordingly, the present applicant has led to the development of a chair in consideration of functionality, assembly, economics and the like that comprehensively solve the above problems.

The present invention is designed to solve the problems of the prior art described above, providing a simple and robust assembly structure of each part, as well as the seat plate is provided to elastically flow and the backrest elastically by a simple structure, economical, manufacturing The purpose is to provide excellent productivity, ease of use, and comfort.

This invention,

Horizontal bars left and right support legs connected to the front and rear legs, and the seat plate portion and the backrest to the upper support legs,

The seat plate is configured to be coupled to support the horizontal bar of the support leg by the coupling groove of the fixing bracket and the coupling bracket fixed to the inner housing, the horizontal bar is formed by forming a guide having an operation guide groove in a predetermined section on the circumference The stopper fixed to the guide is guided to the operation guide groove so as to constantly limit the rotation range of the seat plate. The horizontal bar and the housing are fixed to both ends of the elastic member, and the pivot is rotated so that the seat plate is vertically folded by the elastic member. It is characterized by its operation.

The seat plate of the present invention is composed of a lower case coupled to the lower case and the seat plate coupled to the lower case, the lower case is formed in the insertion form in the horizontal bar to form the insertion groove is inserted into the horizontal bar on the left and right sides Become,

The backrest is configured to combine the cushion plate toward the front of the backrest frame coupled to the upper left and right of the rear leg, the assembly protrusion of the cushion plate in the form of a plurality of assembly holes formed in the backrest frame to form a mutual assembly configuration There is this.

The present invention is configured to be connected to the tilting operation portion by dividing the upper portion to the rear leg, the tilting operation portion is installed between the both ends of the tension spring between the upper and lower coupling holes coupled to the rear leg, the outside of the tilting operation portion with a rubber cover It is characterized in that the backrest is configured to flow back to the rear.

The present invention provides a simple and robust assembly of each support leg, seat plate, and backrest as an assembly structure, as well as providing a function that allows the backplate to elastically flow with the seat plate folded vertically by a simple structure. It is to have the effect of providing excellent economy, manufacturing productivity improvement and ease of use, comfort and the like.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The seat plate folding chair of the present invention provides a simple assembly structure of the support leg, the seat plate, the backrest, and the seat plate is pivotally rotated to provide the function of the backrest and the flow of the backrest.

That is, the seat plate folding chair of the present invention, as shown in Figures 1 to 8, the support leg 10 which is supported on the ground, the back plate 30 is installed in the upper portion of the back plate portion and the back plate portion 30 above the support leg 30 It is composed roughly).

The support leg 10 is configured to connect the front leg 11 and the rear leg 12 to the left and right horizontal bar 15,

The seat plate portion 20 constitutes a housing 40 therein, and a coupling recess 41a of the fixing bracket 41 fixed to the housing and a coupling bracket 42 fastened to the upper portion of the fixing bracket by bolts. 42a) is configured to be coupled to support the horizontal bar (15) of the support leg,

The horizontal bar 15 forms a guide portion 13 having an operation guide groove 13a in a predetermined circumferential section, and a stopper 25 fixed to the enclosure is inserted into the operation guide groove 13a of the guide portion. Guided to configure a constant range of rotation of the seat plate,

The horizontal bar 15 and the housing 40 are fixed to the extension portion 51, 52 extending on both ends of the elastic actuating portion 55 of the elastic member 50, the seat plate portion 20 by the elastic actuating portion ) Is constructed so that the bullets collapse horizontally and vertically.

In addition, the seat plate 20 is composed of a lower case 21 coupled to the lower part of the housing and a seat plate 22 coupled to the upper case, the lower case 21 is inserted into the horizontal bar is inserted into the left and right sides The groove 22a is formed and assembled,

The backrest 30 is configured to combine the cushion plate 35 to the front of the backrest frame 32 is inserted into the insertion portion 33 in the upper left and right of the rear leg, the assembly long hole formed in the backrest frame ( The assembly protrusion 35a of the cushion plate 35 is inserted into 32a) so that the assembly protrusion 35a can be inserted into a barrel.

At this time, the lower case 21 and the seat plate 22 of the seat plate 20 are assembled with each other by assembling protrusions or assembling grooves or by coupling pieces.

In addition, the rear leg 12 is bisected by the upper portion is connected to the tilting operation unit 60, the tilting operation unit 60 is a tension spring (61) between the upper and lower coupling holes 62, 63 are opposed to the rear leg. And both ends of the connection is installed, the outside of the tilting operation portion is closed with a rubber cover 65 is configured so that the backrest 30 flows in the rear.

On the other hand, the support leg in the present invention can be installed by the rotary support leg (10 ') shown in Figure 10, it turns out that the degree of change of such a simple structure belongs to the scope of the present invention.

 As an unexplained reference numeral 14 denotes a moving caster of the support leg.

Next will be a look at the operation and action of the subject innovation configured as described above.

First, the chair of the present invention is simple, but excellent in assembly strength and provides a strong assembly structure.

That is, the seat plate 20 is inserted into the horizontal bar 15 in the left and right insertion grooves 22a of the lower case 21, and then the inner housing 40 of the seat plate is assembled to the lower case.

In this state, the seat plate 22 is coupled to the upper portion of the lower case 21.

And the backrest 30 is inserted into the backrest frame 32 by the insertion portion 33 on the rear leg 12, and is coupled to the cushion plate 35 in front of the backrest frame.

At this time, mutual assembly is configured in such a way that the assembly protrusion 35a of the cushion plate 35 is inserted into the assembly long holes 32a arranged in the back frame frame.

In this way, the assembly of the folding chair is completed.

The chair of the present invention assembled as described above maintains a state in which the seat plate 20 is vertically folded by the elastic member 50 embedded in the enclosure 40.

That is, the stopper 25 provided in the housing 40 of the seat plate portion is supported on one side end of the operation guide groove 13a formed in the guide portion 13 of the outer periphery of the horizontal bar 15 so that it is folded in a vertical state. Will be maintained.

When the user presses the seat plate part 20 in this state, the seat plate part is forced to rotate horizontally by tension of the elastic actuating part 55 of the elastic member supported at both ends of the horizontal bar 15 and the housing 40. So the user will be able to sit.

At this time, the stopper 25 provided in the housing 40 of the seat plate portion is supported by the other end of the operation guide groove 13a formed in the guide portion 13 of the outer periphery of the horizontal bar 15 to support the horizontal state of the seat plate portion. will be.

In this way, the seated user leans against the back by the backrest 30 and maximizes the comfort while flowing.

In other words, while installing the upper and lower couplers 62 and 63 by dividing the upper portion into the rear leg 12 supporting the backrest 30, connecting both ends of the spring 61 between the upper and lower couplers. Due to the operation to lean the backrest is to give the comfort while the ball flows by the spring 61 of the tilting operating portion.

When the user moves away from the seat plate part 20 in this manner, the seat plate part 20 is an elastic member connected to both ends of the extension part 51 and 52 inside the horizontal bar 15 and the housing 40 of the seat plate part ( As the elastic actuating part 55 of 50) is elastically returned to its original position, the seat plate part is folded vertically.

At this time, since the stopper 25 provided in the housing 40 of the seat plate part is supported at one end of the operation guide groove 13a formed in the guide part 13 of the outer periphery of the horizontal bar 15 so that it can be folded in a vertical state. The state will be maintained.

In addition, the chair of the present invention is to provide the advantage of excellent space utilization during storage by bending back and forth as shown in Figure 9 because the seat plate 20 is kept vertically folded in normal times.

Therefore, the chair of the present invention is to provide the support leg, the seat plate part and each part of the backrest simply and firmly, and the seat plate is vertically elastically folded and the backrest elastically flows by the simple structure. .

1 is a perspective view of the present invention.

Figure 2 is a side view of the present invention.

3 is a front view of the present invention.

4 is a plan view of the present invention

Figure 5 is a plan view showing the subject innovation enclosure.

6 and 7 are side cross-sectional views of FIG. 5;

Figure 8 is a sectional view of the main part showing the present invention tilting operation.

9 is a side view showing a storage state of the chair of the present invention.

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

10: support leg 15: horizontal bar

20: seat plate 30: backrest

40: enclosure 41: fixing bracket

42: coupling bracket 41a, 42a: coupling

13: guide part 13a: guide operating groove

25: stopper 50: elastic member

55: elastic operation part 51: extension part

21: lower case 22: seat plate

22a: Insertion groove 32: Back frame

35: cushion plate 32a: assembly tool

35a: Assembly protrusion 60: Tilting operation part

61: spring 62: coupler

65: rubber cover

Claims (3)

Horizontal bar 15 left and right support leg 10 is connected to the front leg 11 and the rear leg 12, and the back plate 30 is installed in the upper back portion of the seat plate 20 and the seat plate upper portion 30 In the chair composed of, The seat plate portion 20 constitutes a housing 40 therein, and a coupling recess 41a of the fixing bracket 41 fixed to the housing and a coupling bracket 42 fastened to the upper portion of the fixing bracket by bolts. 42a) is configured to be coupled to support the horizontal bar (15) of the support leg, The horizontal bar 15 forms a guide portion 13 having an operation guide groove 13a in a predetermined circumferential section, and a stopper 25 fixed to the enclosure is inserted into the operation guide groove 13a of the guide portion. Guided to configure a constant range of rotation of the seat plate, The horizontal bar 15 and the housing 40 are fixed to the extension portion 51, 52 extending on both ends of the elastic actuating portion 55 of the elastic member 50 is characterized in that the seat plate is vertically tangled folding Seat folding chair made with. The method of claim 1, The seat plate part 20 is composed of a lower case 21 coupled to the lower part of the housing and a seat plate 22 coupled to the upper case, wherein the lower case 21 has an insertion groove into which horizontal bars are inserted at left and right sides ( 22a) formed and assembled, The backrest 30 is configured to combine the cushion plate 35 in front of the backrest frame 32 is inserted and coupled by the insertion portion 33 to the upper left and right of the rear leg, the assembly long hole formed in the backrest frame ( 32a) seat plate folding chair, characterized in that the assembly protrusion (35a) of the cushion plate (35) is assembled to each other in the form of a bullet inserted. The method of claim 1, The rear leg 12 is bidirectionally configured to be connected to the tilting operation unit 60, the tilting operation unit 60 is a tension spring (61) between the upper and lower couplers (62) (63) opposed to the rear leg. And connecting both ends of the), the seat folding chairs, characterized in that the backrest 30 is configured to flow in the rear to the rear by the rubber cover 65 to the outside of the tilting operation portion.

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