KR20110004983A - Horizontal poise change apparatus of chair armrest - Google Patents

Abstract

PURPOSE: A posture switching unit of an armrest is provided, which removes a risk factor by concealing a height adjustment device in an art tube. CONSTITUTION: A posture switching unit of an armrest comprises: an art tube covering a length tube; a vertical member(220) creating a concealment gap of the length tube; a length tube which supports the vertical member to move up and down; a height adjustment device installed between the length tube and vertical member; a bottom plate installed at the upper end of the vertical member; a shaft(222) installed at the bottom plate within the art tube; a supporter(310) which is installed at an interval from the bottom plate; a direction change supporting device attached between the bottom plate and supporter; an abdomen plate(320) assembled with an armrest cover plate; and a backward and forward movement supporting device.

Description

Posture change device of chair armrest {horizontal poise change apparatus of Chair armrest}

The present invention relates to a posture switching device of the chair armrest. In particular, the present invention is to conceal the height adjustment mechanism to impart a posture switching function to the chair armrest considered to have a concise and beautiful appearance.

Chair armrest height adjusting device is a device that adjusts the height of the chair armrest to the user's size. If the chair is large but the user's body is small, the armrest may be higher than the user's elbow, which is inconvenient. On the contrary, if the user's body is large compared to the chair, the armrest is low and it does not function properly. This invention allows the user to adjust the height of the armrest of the chair to his body. Similarly, there are times when you want to change the direction of the armrest, drag the armrest forward or push back according to the user's habit of using the chair. This invention allows the user to turn the armrest of the chair sideways, drag the armrest to the side, drag forward or push back according to his habits.

Referring to the Utility Model No. 360284 armrest height adjusting device, the frame is fixed to the seat plate and has a cylindrical guide portion formed at its end, a vertical movement member moving up and down through the guide portion, and a pad coupled to the upper end of the vertical movement member. It includes, the guide is provided with a pin penetrating the up and down moving member, the button is fixed to one side of the pin via the restoring spring, the locker is fastened to the up and down moving member according to the operation of the button on the other side of the pin, A long hole is installed along the longitudinal direction so that the pin moves to the vertical movement member, and a height adjusting device is provided in which a locking groove is provided to lock the locker at predetermined intervals along the long hole. This armrest height adjusting device is a combination of the locking groove and the locker button, and if the chair armrest device is used as it is, the chair user may be injured in the protrusion, and the mechanical devices are exposed, thereby limiting the art design. Will be.

The armrest adjusting device of the chair has a post, a rod, a fixing hole arranged to be a height adjustment index, a fixing key fitted to the fixing hole of the post, a wire for driving the fixing key, and sliding rods. And a rod-side incision corresponding to the incision, and a rod-side slider corresponding to the incision, so that some of the risk factors that may cause injury to the user are eliminated, but the slider of the rod on the outside of the chair armrest is provided. With the arrangement of the incision of the force and the fixing hole of the post, there are still elements to be injured and at the same time it acts as a constraint on art design.

The posture switching device of the chair armrest accompanying the height adjustment device of the armrest is a slot-type sliding hole, an elastic body corresponding to the sliding hole, an armrest pad pad cover, a concave-convex cloud groove, an elastic fixture Left and right rotation means of the armrest comprising a; And the front and rear movement means of the armrest.

The present invention conceals the height adjustment device installed in the armrest left and right armrest and the chair armrest included in the front and rear movement means of the armrest in the art tube to eliminate the risk factors of the user and the height adjustment device is not limited to the art design It is to provide a height adjusting device for the chair armrest. The present invention is to provide a posture switching device of the chair armrest free to change the direction of the armrest to the designated point and freely move back and forth to the designated point. It is an object of the present invention to provide a posture shifting device of a chair armrest that combines a redirection support device and a back and forth support device between a bottom plate and an abdominal plate.

This invention armrest height adjustment device is composed of a height adjustment means surrounded by art tubes. The height adjusting means is supported on the chair by a longitudinal tube supported on the chair frame. The vertical tube is installed with proper tilting in the armrest position depending on the chair. The vertical member is inserted into the vertical tube so that the vertical member can be raised and lowered, and the armrest is supported on the vertical member. The armrests are installed almost horizontally regardless of the inclination of the longitudinal tubes. As a result, the armrest and the vertical member are assembled at a constant inclination. Since the vertical tube and the vertical member is assembled by the height adjusting means, the height of the armrest can be adjusted, and the height adjusting means is concealed in the art tube to satisfy the aesthetic design and the height adjusting function at the same time. The left and right rotating means of the armrests and the front and rear movement means of the armrests are arranged on the base plate concealed in the art tube and the abdominal plate under the handle.

This invention apparatus is demonstrated referring a Example drawing.

The posture converting device of the chair armrest which is attached to the chair frame and supports the armrest to the vertical tube 130 so that the height of the armrest can be adjusted, converted to and moved back and forth is assembled with the vertical member at the armrest bottom plate 221 and the vertical tube 130 The vertical member having a bottom plate 221 of the armrest 300, the upper end of the arm tube 300 is installed in the art tube 210 to cover the vertical tube (210) forming a concealed gap 219 of the vertical tube ( 220), the concealed gap 219 of the longitudinal tube 130, which is installed between the art tube 210 and the vertical member 220, extends from the assembly coupler outer member 121 and is inserted into the concealed gap 219. Vertical tube 130 for supporting the vertical member 220 to move up and down at 131, the height adjustment means 200 is installed between the concealed vertical tube 130 and the vertical member 220, art tube ( The bottom plate 221 installed on the top of the vertical member 220 to be concealed in the 210, the bottom plate 221 in the art tube 210. The support shaft 310, the support plate 310, the bottom plate 221 and the support 310 are installed by floating the gap from the bottom plate by assembling the support shaft 222, the shaft shaft 222 in the shaft hole 312 installed on the horizontal member Direction change support device is installed between the), the abdominal plate 320 is installed in the gap between the bottom plate 221 and the support and is assembled between the armrest cover plate 330, the abdominal plate 320 and the support plate 310 is installed It is configured to include a front and rear movement support device for moving the front and rear 320 and the moving position.

Since the vertical tube 130 is inserted into the concealed gap 219 to conceal the height adjusting device, the constraint of the aesthetic design due to the exposure of the height adjusting device 200 of the art design has been removed. The height adjustment device 200 is distributed between the concealed vertical tube 130 and the vertical member 220, so the user risk factors are not exposed to the outside.

Apparently the armrest 300 is installed on the art tube 210 is distributed between the concealed bottom plate 221 and the abdominal plate 320 may be able to change the direction of the armrest to a specified point or to move back and forth to the designated point.

The redirection support device is provided with a jig 226 in the circular circle orbit of the support shaft 222 and the support shaft 222 of the space portion 225 and the space portion 225 installed on the bottom plate 221 to accommodate the movable key 316. When assembled to the multi-point jig 226 arranged on the inner side of the starting circle orbit, the movable key 316 guide 314 installed on the support 310, the movable key guide 314 and moved forward and backward and assembled to the bottom plate It comprises a movable key 316 coupled to the multi-point jig 226, and a spring 315 for pushing the movable key 316 to the jig.

The redirection support device may be manufactured by further installing a stopper hole 223 to allow movement of the stopper pin 313 and the stopper pin disposed on the support 310 within the redirection area.

The redirection support device may further include a movable tooth clip 316a assembled to the clipping hole 316b to assemble the movable tooth 316 to the support 310.

The user is sitting in a chair holding the armrest 300 by hand and push the side to switch direction. The redirection operation will be described. When the cover plate 330 is pushed to the side, the abdominal plate 327 is rotated together with the support 310 based on the support shaft 222. The rotation range is within a range in which the stopper pin 313 moves within the stopper hole 223. The support 310 is moved with the movable key 316. When the movable key 316 is moved to the side, the movable key 316 is pushed backward while compressing the spring 315 along the guide 314 by the action of the jig 226, so that the movable key 316 is separated from the jig 226 that is previously coupled. Becomes When the movable key 316 is moved to the jig 226 at an adjacent point, the spring 315 pushes the movable key 316 to the jig 226 to engage it. In this operation, the armrest 300 is moved to a designated point, the direction is changed, and is stably supported at the reaching position. In addition, since the jig 226 is arranged in a circular orbit starting from the support shaft 222, the interaction between the jig 226 and the movable key 316 is always the same and stable. A lubricant may be applied to the jig 226 for the smooth movement of the movable key 316. When the support 310 moves in the opposite direction, the armrest 300 moves in the opposite direction. In the embodiment, the jig 226 is arranged three at three points. The number of points can be added or reduced as needed. The clip 316a and the clip hole 316b improve the assembly process so that the movable key 316 coupled to the jig 226 of the bottom plate 221 can be assembled to the support 310 first.

The back and forth movement supporting device is supported by the parallel slider 319 and the slider 319 on both sides of the support body 310, and the moving rail 329 and the moving rail 329 installed on the abdominal plate so that the abdominal plate 320 moves forward and backward. The support 310 is inserted into the multi-point arc recess 328 and the arc recess 328 for supporting the armrest at the movement point by dividing the front and rear movement distances into the multi-points to support the abdominal plate 320 on the support 310. A rubber wheel 318 provided with shaft pins 317 is formed at both ends of the tip.

Armrest 300 is a space portion 337 for receiving the abdominal plate 320 in the cover plate 330,

The abdominal plate circumferential wall 327 which is tightly assembled to the inner wall of the space part is constructed and manufactured.

The front and rear movement supporting apparatus may further install an assembly hole 321 to a length that defines a front and rear movement distance of the abdominal plate 320 using the stopper 222 installed on the bottom plate 221 as a stopper.

When the user sits in a chair and pushes the armrest 300 forward or pulls backward, the armrest is moved to settle at the moving point. The moving direction of the armrest 300 is governed by the direction of the support 310. When the abdominal plate 327 is pushed, the abdominal plate is moved forward or backward within the range allowed by the assembling hole 321 which is coupled to the support shaft 222 and installed long.

When the abdominal plate 320 is moved, the support body 310 assembled to the support shaft 222 of the bottom plate 221 is in a stopped state and the rubber wheel 318 coupled to the support point arc recess 328 of the abdominal plate 320. While deformed from the existing circular arc recessed and moved to the support point arc recessed portion 328 moved to the elastic support of the elastic recovery. In the embodiment, the support point provided with the arc recess is 7 points, but the number of points can be added to 3 to 15 points as necessary. Lubricant can be applied to the arc recess for smooth forward and backward movement of the armrest.

As described above, the present invention conceals the height adjusting device in the art tube, thereby eliminating the risk factor of the user, the height adjusting device is not limited to the art design, and the direction of the armrest is freely changed to the designated point, and moves back and forth to the designated point. This free, posture shifting device of a chair armrest which combines a redirection support device and a forward and backward support device between the bottom plate and the abdominal plate is provided.

Example 1.

The posture switching device of the chair armrest was produced in the following configuration.

1) Art tube 210 is assembled with a vertical member in the armrest bottom plate 221 to cover the vertical tube (130)

2) a vertical member 220 having a bottom plate 221 of the armrest 300 at the top and installed in the art tube 210 to form a concealed gap 219 of the vertical tube 130.

3) a concealed gap 219 of the vertical tube 130 installed between the art tube 210 and the vertical member 220.

4) Vertical tube 130 extending from the assembly coupler outer member 121 and inserted into the concealed gap 219 to support the vertical member 220 to move up and down on the inner surface 131.

5) height adjustment means 200 is installed between the concealed vertical tube 130 and the vertical member 220

6) the bottom plate 221 concealed in the art tube 210 and installed on the top of the vertical member 220

7) a support shaft 222 installed on the bottom plate 221 in the art tube 210

8) Assembling shaft 222 in the shaft hole 312, the direction is changed on the horizontal member, the support 310 is installed by floating a gap in the bottom plate

9) redirection support device installed between the bottom plate 221 and the support 310

10) the abdominal plate 320 installed in the gap between the bottom plate 221 and the support and assembled to the armrest cover plate 330

11) the back and forth movement support device which is installed between the abdominal plate 320 and the support 310 to move the abdominal plate 320 forward and backward and support in the moving position

Example 2.

Example 1 A redirection support of the device was manufactured in the following configuration.

1) a space 225 installed on the bottom plate 221 to install the jig 226 on the starting circle orbit of the support shaft 222 and to receive the movable key 316;

2) a three-point jig 226 arranged on the inner side of the starting circle orbit of the support 222 of the space 225,

Movable key 316 installed on support 310 guide 314

3) The movable key 316 is assembled to the movable key guide 314 and moved to the front and rear direction and assembled to the multi-point jig 226 when assembled to the bottom plate.

4) Spring (315) for pushing donkey (316) to fixture

Example 3.

The following configuration was further included in the redirection support device of Example 2.

1) stopper pin 313 attached to the support 310

2) stopper hole 223 to allow movement of the stopper pin within the direction change range;

Example 4.

The method of claim 2,

In order to assemble the movable teeth 316 to the support 310 in the redirection support device was manufactured further comprising the following configuration.

1) Clipping Hole (316b)

2) Movable Clip (316a)

Example 5.

Front and rear movement support of Example 1 was manufactured in the following configuration.

1) Parallel sliders 319 on both sides of the support body 310

2) a moving rail 329 supported by the slider 319 and installed on the abdominal plate such that the abdominal plate 320 is moved back and forth.

3) A seven point arc recess 328 extending from the moving rail 329 to support the armrest at the moving point by dividing the front and rear moving distance into multiple points.

4) Rubber wheels 318 inserted into the arcuate recesses 328 and installed with shaft pins 317 on both ends of the support body 310 to support the abdominal plate 320 on the support body 310.

Example 6.

The cover plate of Example 1 was assembled in the following structure.

1) a space portion 337 for accommodating the abdominal plate 320 in the cover plate 330

2) the abdominal plate circumferential wall 327 closely assembled to the inner wall of the space part

Example 7.

In Example 5 was prepared by further including the following configuration in the front and rear support support.

An assembling hole 321 having a length defining a front and rear movement distance of the abdominal plate 320 using the stopper 222 provided on the bottom plate 221 as a stopper.

1 is a side view of the armrest

Figure 2 is an assembled side view of the longitudinal member and the abdominal plate

Figure 3 is a perspective view of the parts of the armrest redirection support device

4 is an assembled side cross-sectional view

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

Fig. 6 is a partial perspective view of the bottom plate side turning support device assembled to the art tube;

7 is a partial perspective view of the redirection support device attached to the redirection support;

Figure 8 is a perspective view of the abdominal plate assembled to move the front and back to the redirection support

9 is an assembled top view of the reversing support and the abdominal plate

10 is an overall plan view of the posture shifting device;

* Explanation of reference numerals

Reference numeral 100 is a coupler, 200 is an armrest height adjusting means, 211 is a connection part, 210 is an art tube, 219 is a concealment gap, 220 is a vertical member, 221 is a bottom plate, 300 is an armrest, 310 is a support, 320 is an abdominal plate, and 321 is Assembly hole, 330 is cover plate, 222 axis, 225 is space part, 226 jig, 315 is spring, 314 is movable key guide, 316 is movable key, 316a is movable key clip, 316b is clipping hole, 319 is parallel slider, 313 is a stopper pin, 223 is a stopper hole, 329 is a moving rail, 328 is an arc recessed part, 317 is a shaft pin, 318 is a rubber wheel, 337 is a space part, and 327 is an abdominal plate circumferential wall

Claims (7)

In the installation of shanghai dong, conversion and forward and backward movement device to the vertical member attached to the chair frame, Art tube 210 is assembled with the vertical member in the armrest bottom plate 221 to cover the vertical tube 130, A vertical member 220 having a bottom plate 221 of the armrest 300 at the top and installed in the art tube 210 to form a concealed gap 219 of the vertical tube 130, Concealed gap 219 of the vertical tube 130 is installed between the art tube 210 and the vertical member 220, Vertical tube 130 extending from the assembly coupler outer member 121 and inserted into the concealed gap 219 to support the vertical member 220 to move up and down on the inner surface 131, Height adjustment means 200 is installed between the concealed vertical tube 130 and the vertical member 220, The bottom plate 221 concealed in the art tube 210 and installed on the top of the vertical member 220, A support shaft 222 installed on the bottom plate 221 in the art tube 210, Assembling shaft 222 in the shaft hole 312, the direction is switched on the horizontal member, the support 310 is installed by floating a gap in the bottom plate, Redirection support device installed between the bottom plate 221 and the support 310, An abdominal plate 320 installed in the gap between the bottom plate 221 and the support and assembled to the armrest cover plate 330; A posture shifting device of a chair armrest, which is installed between the abdominal plate 320 and the supporter 310, and includes a front and rear movement support device that moves the abdominal plate 320 forward and backward and supports it at a moving position. The method of claim 1, Redirection support The space 225 is installed on the base plate 221 to accommodate the movable key 316 and to install the jig 226 in the starting circle orbit of the support shaft 222, Multi-point jig 226 arranged on the inner side of the starting circle orbit of the axis 222 of the space portion 225, Movable key 316 guide 314 installed on the support 310, The movable key 316 is assembled to the movable key guide 314 and moved to the front and rear directions, and assembled to the multi-point jig 226 when assembled to the bottom plate. And a spring 315 for pushing the movable key 316 to the jig. The method of claim 2, Redirection support Stopper pin 313 attached to the support 310 And a posture shifting device of the chair armrest further provided with a stopper hole 223 to allow movement of the stopper pin within the redirection range. The method of claim 2, Redirection support A posture shifting device of a chair armrest further comprising a movable tooth clip (316a) assembled to a clipping hole (316b) for assembling the movable tooth (316) to the support (310). The method of claim 1, Forward and backward movement support device Parallel sliders 319 on both sides of the support body 310, A moving rail 329 supported by the slider 319 and installed on the abdominal plate such that the abdominal plate 320 is moved back and forth, A multi-point arc recess 328 extending from the moving rail 329 to support the armrest at the moving point by dividing the front and rear moving distances into multiple points; The posture switching device of the chair armrest which is inserted into the arcuate recess 328 and composed of rubber wheels 318 installed at both ends of the support 310 by shaft pins 317 so as to support the abdominal plate 320 on the support 310. The method of claim 1, Space portion 337 for accommodating the abdominal plate 320 in the cover plate 330, Posture switching device of the chair armrest including an abdominal plate circumferential wall (327) to be assembled in close contact with the inner wall of the space. The method of claim 5, Forward and backward movement support device A posture switching device of a chair armrest provided with an assembly hole 321 elongated to a length defining a front and rear movement distance of the abdominal plate 320 using the stopper 222 provided on the bottom plate 221 as a stopper.

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