KR20110004984A - The chair seat board - Google Patents

Abstract

PURPOSE: A seat plate of a chair is provided, which can move a moving plate forward and backward in a fixed plate under the load condition. CONSTITUTION: A seat plate of a chair comprises: a plastic grill moving plate(100) which is assembled with a fixed plate; a groove type rail(110a) connected to the fixed plate; a movement slider(110) inside the rail; a movement clip(111) fixing a moving plate; a plastic fixed plate(200) which assembles a top sliding track with the rail of the moving plate; a sliding track which is inserted to be slid in the rail; a guide rib(211) which is inserted into the slide clip and is supported; and a locker fixing the moving plate in a plurality of movement points.

Description

Seat of the chair {THE CHAIR SEAT BOARD}

This invention relates to a seat plate of a chair. More specifically, the seat of the plastic chair can be moved back and forth.

The seat plate of the chair is a chair part which is assembled on the chair frame and the user sits on the weight of the chair. From the beginning, the seats of the chairs were not made of board. The seat plate of the office chair which is consumed in large quantities is manufactured with the curved surface specially invented based on ergonomics. The seat of the chair is developed to be comfortable, light, well ventilated, low in use of cushioning materials and low cost. To meet these demands, the seats of plastic chairs were manufactured and rigid plastics were made of specially designed curved surfaces.

Another requirement is to provide a seat plate of a chair in which the seating portion of the seat plate is moved back and forth. When you sit in a chair and concentrate on your work, you need to pull the chair's seat forward. Of course, you should usually be able to return the chair's seat to its original position.

This invention seeks to provide a seat plate of a chair that is made as a plastic molding. The present invention aims to provide a seat of a light chair whose upper surface is curved and manufactured in a grill type. The present invention aims to provide a seat plate of a chair in which the seat plate of the chair whose seat face is curved is separated into a lower fixed plate and an upper movable plate at a flat joint. The present invention aims to provide a seat plate of a chair which can arrange a sliding track and a moving slider at a planar joint to move the moving plate back and forth on the fixed plate even under load. The present invention seeks to provide a seat plate of a chair in which the clip element is arranged such that the moving plate and the stationary plate are not separated. The present invention seeks to provide a seat plate of a chair in which a clip element is arranged to facilitate the manufacture of a mold. The present invention aims to provide a seat plate of a chair in which the movable plate is fixed at a fixedly arranged fixed point. This invention aims to provide the seat plate of a chair in which the front-back movement area is set.

This invention provides a seat plate of a plastic grilled molded chair having a curved top surface.

The seat plate of the chair of the present invention is assembled to a flat plate on the fixed plate 200 is moved to the front and back plastic grill molding plate 100,

The rail 110a installed in the form of a groove on the bottom surface of the movable plate 100 so as to be connected in a plane on the fixed plate 200 and slide forward and backward, and the movable slider 110 on the inner surface of the rail,

The guide rib 211 of the side of the fixed plate is inserted so that the moving plate 100 is disposed on the outside of the slider 110 to follow the sliding track 210 without being separated from the fixed plate.

Plastic grille molding plate 200, which is assembled to the chair frame by the assembly means 240 and assembles the movable plate 100 on the upper sliding track 210,

A sliding track 210 mounted to the width of the moving plate side rail 110a to mount the slider 110 of the moving plate 100 to induce forward and backward movement of the moving plate 100;

Guide ribs 211 installed parallel to the tracks on both sides of the sliding track 210 and inserted and supported by the slide clip 111,

Installed on the fixed plate 200 and coupled to the moving plate 100 was configured to include a locker 300 for fixing the moving plate 100 at a plurality of moving points.

The locker 300 is installed on the fixed plate 200, and the moving plate 100 is always fixed to the fixed plate 200 because the key 331 of the lever 310 is fitted into the engaging hole 131 arranged at the moving point. . When the key 331 of the locker 300 is separated from the engaging hole 131 in the unlocked state, the moving plate 100 is separated from the fixed plate 100 to move forward and backward.

The upper surface of the moving plate 100 is curved, but since the moving slider 110 and the sliding track 210 are flat, the slider 110 moves forward or backward on the horizontal sliding track 210. Lubricant may be applied to the sliding track 210 to smoothly move the moving plate 100.

In the unlocked state of the locker 300, the sliding tracks 210 of the fixed plates 200 having parallel widths are inserted into the rails 110a installed as grooves in the movable plate 100, and the moving clip 111 is fixed to the fixed plate side. The guide ribs 211 are wrapped around the movable plate 100 so that the movable plate 100 may be moved along the sliding track 210 without being separated from the fixed plate 200 even when the movable plate 100 is moved along the fixed plate 200. have.

In order to make the moving plate moveable or fixed, the locker 300 divides and distributes the moving length by dividing the moving length in the moving direction to the moving plate 100, the position corresponding to the moving area. The bearing 221 and the key 331 of the upper opening / closing lever installed in the fixing plate 200 are inserted into the coupling hole 131, and at the same time, the handle 310 is removed from the fixing plate 200 through the guide hole 222. The opening and closing lever 330 assembled with the shaft 320 to the bearing 221 and the spring 233 which presses the lever 330 so that the key 331 can be inserted into the engagement hole 131 so that operation is possible are comprised. .

If no force is applied to the handle 310, the pressure of the spring 233 dominates the lever 330, and the key 331 at the end of the lever 330 is inserted into the coupling hole 131 to be locked. In the locked state, the movable plate 100 is fixed to the fixed plate 200 so that the movable plate 100 cannot be moved back and forth. If you lift the handle 310 while sitting in a chair is in the unlocked state. In the unlocked state, the lever 330 rotates the shaft 320 from the starting point to move the key 331 downward to separate the key 331 from the coupling hole 131. In the unlocked state, the movable plate 100 moves freely in the front and rear directions, and the rail 110a and the sliding track 210 are coupled in the left and right directions so that the movable plate 100 moves in the front and rear directions. . The forward and backward movement of the moving plate is limited to the moving area set by the guide hole and the stopper.

Guide holes 117 having one to four in the moving direction in the moving area in the moving plate 100 and a pin hole 217 of the fixed plate 200 through the guide holes 117 to limit the moving area. Fixing to further prevent the separation of the moving plate 100 and further includes a tie pin 218 utilized as a stopper. Only one guide hole 117 may be installed in the movable plate 100 for assembling effort and material saving, and up to eight guide holes 117 may be provided. Only one guide hole 117 may be installed in the seat plate of the chair in which the moving clip 111 of the moving plate 100 is assembled to the rib 211. In the case where only one guide hole 117 is provided, it is preferable to be provided in the moving direction in the center of the moving plate. The tie pin 210 also has a function of inducing orbital movement of the moving plate 100. If the tie pin 210 has a dagger also serves to prevent the moving plate 100 is separated from the fixed plate 200. In the seat plate of the chair in which the moving clip 111 is assembled to the rib 211, the tie pin 210 may be replaced with a simple part to have only a stopper function. The simple part is a screw screw. The tie pin 210 is moved in the guide hole 117 when the moving plate 100 moves in the forward or backward direction and touches the end of the guide hole 117 to block the movement of the moving plate 100. . The length of the guide hole is 5 cm to 15 cm.

The opening 111a is disposed on the clip 111 of the moving plate 100. The opening part 111a is a space for guiding and accommodating the punch of the other mold when forming the clip 111 in one mold, thereby facilitating the fabrication and molding of the mold. The guide rib 211 of the fixing plate 200 It protruded outward from both sides of the sliding track 210. This configuration simplifies the mold structure and shortens the molding time.

An open bearing hole 220 is disposed on the locker 300 bearing 221 to facilitate molding of the plastic fixing plate. In addition, the inlet of the bearing hole 220 is covered with a bearing cover 340 to prevent separation of the lever.

As described above, the present invention is manufactured as a plastic molding, and is a grill type seat plate having a curved upper surface, providing a seat plate of a chair separated from a flat joint by a lower fixing plate and an upper movable plate, and a rail and a slider element disposed on the flat joint. In the weight load state, the movable plate can be moved back and forth of the stationary plate, the clip element surrounding the rib of the stationary plate is disposed on the movable plate, and the arrangement of the clip is a configuration that is easy to manufacture a mold, It provides a seat plate of the chair which is fixed and whose front and rear movement areas are set.

Example 1.

The seat plate of the chair was manufactured in the following configuration.

1) The plastic grille molding moving plate 100 is assembled in a plane on the fixed plate 200 is moved back and forth

2) the rail 110a installed in the shape of a groove on the bottom surface of the movable plate 100 so as to be connected to a plane on the fixed plate 200 and sliding in the front-rear direction.

3) Moving slider 110 of the inner surface of the rail

4) moving clip 111 of the movable plate to accommodate the guide rib 211 of the side of the fixed plate to prevent the moving plate 100 from being separated from the fixed plate,

4) Sliding track 210 is inserted in accordance with the width of the groove-shaped rail (110a) to mount the slider 110 of the moving plate 100 to guide the front and rear movement of the moving plate 100

5) The sliding track 210 is parallel to the width of the upper surface of the fixed plate in contact with the slider 110 of the moving plate 100 to induce the forward and backward movement of the moving plate 100 in the load state

6) guide ribs 211 installed on both sides of the sliding track 210 and inserted into and supported by the moving clip 111.

7) the locker 300 installed on the fixed plate 200 and coupled to the moving plate 100 to fix the moving plate 100 at a plurality of moving points.

Example 2.

Rocker 300 included in Example 1 was prepared in the following configuration.

1) A key 331 and a coupling hole 131 which are divided and distributed in the moving direction in the moving area in the moving area of the moving plate 100.

2) bearing 221 of the upper open / close lever installed in the moving direction on the fixed plate 200 at a position corresponding to the moving station

3) The shaft 320 is assembled to the bearing 221 so that the key 331 is inserted into the coupling hole 131 and at the same time the handle 310 can be operated under the fixing plate 200 through the guide hole 222. Lever for opening and closing (330)

4) a spring 233 for assembling the supports 332 and 232 to press the lever 330 so that the key 331 is inserted into the coupling hole 131.

Example 3.

The following structure was further included in the seat plate of Example 1.

1) Guide hole 117 provided with one in the moving direction in the moving area in the center of the moving plate 100

2) Tie pin 218 used as a stopper by fixing to pin hole 217 of fixing plate 200 in guide hole 117

Example 4.

In the seat plate of the first embodiment, the opening 111a is disposed on the upper portion of the clip 111 of the movable plate 100 to facilitate molding of the movable plate.

Example 5.

In the seat plate of Example 1, the guide ribs 211 of the fixing plate 200 protruded outward to both sides of the sliding track 210 to be assembled in the moving direction to the moving clip 111.

Example 6.

In the seat plate of Example 1, the rocker 300 bearing 221 installed in the fixing plate 200 was manufactured as the upper opening bearing hole 220 to facilitate molding of the fixing plate.

1 is the flatness of the seat plate of the chair of the present invention

2 is a bottom perspective view of the seat plate of the chair;

3 is a front and rear movement state of the moving plate

4 is a cross-sectional view taken along the line 3A-A of FIG.

5 is a cross-sectional view taken along the line B-B-A of FIG.

Figure 6 is a cross-sectional view taken along line 3 C-C

Fig. 7 is a partial perspective view of the rocker showing a part of it in an enlarged manner;

8 is a front view of a seat plate;

* Explanation of reference numerals

100 is moving plate, 110 is slider, 111 is moving clip, 111a is open top, 117 is guide hole, 131 is coupling hole, 200 is fixing plate, 210 is sliding track, 211 is rib, 217 is pin hole, 218 is tie pin , 220 is bearing hole, 221 is bearing base, 222 is guide hole, 232 is spring support, 233 is spring, 240 is fixing plate assembly means, 300 is locker, 310 is lever, 330 is handle, 320 is shaft, 330 is lever, 332 is a spring support, 340 is a bearing cover,

Claims (6)

In the seat plate of the plastic grill molded chair whose upper surface is curved, Plastic grille moving plate 100 is assembled in a plane on the fixed plate 200 is moved back and forth, The groove-type rail 110a and the moving slider 110 on the inner surface of the rail, which are installed on the bottom surface of the movable plate 100 so as to be connected to the fixed plate 200 and slide in the front and rear directions, The moving clip 111 disposed on the movable plate 100 so as not to be separated from the fixed plate because the guide rib 211 is wrapped around the fixing plate side. Plastic fixing plate 200 is assembled to the chair frame by the assembly means 240 and to assemble the upper sliding track 210 to the rail (110a) of the moving plate 100, A sliding track 210 mounted on the slider 110 of the moving plate 100 to be slidably inserted in the groove 110a to guide the front and rear movement of the moving plate 100; Guide ribs 211 installed along the tracks on both sides of the sliding track 210 and inserted and supported by the slide clip 111, The seat plate of the chair is installed on the fixed plate 200 and coupled to the moving plate 100 and comprises a locker 300 for fixing the moving plate 100 at a plurality of moving points. The method of claim 1, The locker 300 is A key 331 engaging hole 131 which is divided and distributed in the moving direction in the moving plate 100 in the moving plate 100, Bearing 221 of the upper opening / closing lever installed on the fixing plate 200 so that the key is coupled to the coupling hole 131, For opening and closing the assembly of the shaft 320 to the bearing 221 so that the key 331 is inserted into the coupling hole 131 and at the same time the handle 310 can be operated under the fixing plate 200 through the guide hole 222. Lever 330, And a spring 233 for pressing the lever 330 so that the key 331 is inserted into the coupling hole 131. The method of claim 1, A guide hole 117 installed to set the moving length in the moving plate 100, And a tie pin 218 fixed to the pin hole 217 of the fixing plate 200 in the guide hole 117 and used as a stopper. The method of claim 1, The seat plate of the chair which the opening part 111a was arrange | positioned at the upper part of the clip 111 of the moving plate 100. The method of claim 1, The guide ribs 211 of the fixed plate 200 protrude outwardly on both sides of the sliding tracks 210, and are seated on the chair. The method of claim 2, Arrange the open bearing hole 220 on the top of the locker 300 bearing 221, The seat plate of the chair further comprises a bearing cover (340) to cover the bearing hole 220 to prevent the separation of the lever.

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