KR101085018B1 - Height adjustment of chair armrest - Google Patents

Abstract

The present invention is a vertical tube 130, the assembly coupler 100 of the vertical tube 130, the vertical member 220 is inserted into the vertical tube, height adjustment means installed between the vertical tube 130 and the vertical member 220. (200), including the art tube 210 to cover the vertical tube, the mechanical height adjustment means except the height adjustment button is concealed in the art tube and the height adjustment button installed on the inner concave portion of the top of the art tube dangerous The factor is eliminated, the art design is free to provide high quality products, the ergonomic consideration makes the thumb easily accessible to the button, and the vertical arm of the chair armrest can be firmly assembled to the chair frame with a single screw. The height of the armrest chair can be.

 Vertical tube, vertical member, art tube

Description

Height regulition apparatus of the chair armrest}

The present invention relates to a height adjusting device of the chair armrest. In particular, the present invention is to provide a height adjusting device of the chair armrest concealed to have a concise and beautiful appearance by concealing the height adjustment mechanism in the art tube.

The height adjustment of the armrest of the chair is a device for adjusting the armrest of the chair 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.

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. Includes, the guide is provided with a pin penetrating the up and down moving member, the button is fixed to the one side of the pin via the restoring spring, the locker is engaged on the other side of the pin according to the operation of the button, the locker is disposed, 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. When the armrest device of the chair is used as it is, the chair user may be injured in the protrusion, and the mechanical devices are visible, which is a limiting factor of the aesthetic 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. The rod-shaped incision to accommodate the post and the slider on the rod side corresponding to the incision are provided 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 armrest of the chair is removed. The posts, the incisions of the force and the fixing holes on the posts are still a risk factor for injury and remain a stumbling block for art design.

The present invention provides a height adjusting device for the chair armrest, which hides the mechanical height adjustment means in the art tube except for the height adjustment button in the art tube to eliminate the risk of injury to the user and the height adjustment device of the armrest of the art design To provide a height adjustment device. The present invention is to provide a height adjustment device of the chair armrest to install the height adjustment button in the inner concave portion of the top of the art tube to eliminate the risk factors and at the same time easily access the user's thumb to the button according to the ergonomic consideration. The present invention is to provide a height adjusting device of the chair armrest for assembling the chair armrest vertical member to the chair frame with a single screw.

The armrest height adjustment device of the chair consists of 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 at an appropriate tilt according to the design of the chair. The vertical member is inserted into the vertical tube so that it can be raised and lowered, and an armrest is assembled 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 angle. When the vertical tube and the vertical member are assembled by the height adjusting means, the height of the armrest can be adjusted.

The height adjusting device of the chair armrest of the present invention will be described with reference to the embodiment drawings.

The height adjusting device of the chair armrest having the assembling coupler 100 of the vertical tube 130 on the outside of the bracket 150 attached to the chair frame will be described with reference to the embodiment drawings.

The device is assembled with the vertical member 220 through the joint portion 211 in the armrest bottom plate 221 to cover the vertical tube 130, the art tube 210, the bottom plate 221 of the armrest 300 on the top provided and between the vertical member 220, art tube 210 and the vertical member 220 that is installed in the art tube 210 is assembled to cover the vertical tube 130 and support a cover gap (219) at the same time the Concealed gap 219 of the vertical tube 130 is installed, 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. It comprises a vertical tube 130, and the height adjustment means 200 is installed between the concealed vertical tube 130 and the vertical member 220.

The vertical tube 130 inserted into the concealed gap 219 supports the vertical member 220 in the art tube 210 to the chair frame. The vertical member 220 is relied on the vertical tube 130 to move up and down can be adjusted the height of the armrest 300 assembled to the vertical member 220. Since the art tube 210 covers the vertical tube 130, the height adjusting means is entirely concealed to prevent injury due to exposure of the mechanical height adjusting means, and the art tube can be used only for art design. Can contribute to higher quality

The assembly coupler 100 of the vertical tube 130 is inserted in close contact with the coupler cup 110 outside the bracket and the inner surface 111 of the coupler cup 110 and the coupler outer member installed at the lower end of the vertical tube 130. Reference numeral 121, a coupling joint 122 forming a connection portion between the coupler cup 110 and the vertical tube 130, a screw hole 123 installed in the coupler outer member 121, and a vertical tube () in the coupling cup 110. Screw 124 attaching 130.

The coupler cup 110 and the outer member 121 are manufactured separately. The coupler cup 110 is assembled to the chair frame by the bracket 150. The outer member 121 is fitted in close contact with the coupler cup 110. When fitted, the joints 122 line up to form a smooth seam. The screw 124 is screwed into the outer member 121 under the coupler cup 110. The coupler cup 110 is further provided with a screw guide hole, and the screw hole 123 is provided with a screw (124) or a material (for example, plastic) into which the screw 124 can dig. When the outer member 121 is fixed to the coupler cup 110 with a screw 124, the vertical tube 130 is firmly assembled to the chair frame. Loosen the screw to remove the assembled longitudinal tube from the chair frame.

The height adjusting means 200 is set to the height adjustment section of the armrest on the outer wall of the vertical tube 130, the fixed groove 243 is installed for each height adjustment point by dividing the setting section, the abdominal space 230 installed in the vertical member, The lever 231 installed by the pin 232 in the abdominal space 230, the jig 233 installed in the lever so as to fit into the fixing groove 243, and the button passage 214 installed at the upper end of the inner wall of the vertical member 130. ), The button 234 of the lever 231 protruding under the bottom plate 221 of the armrest through the button passage 214 is supported by the lever support 235 to push the lever button out and fix the jig 233. And a locking spring 236 that fits in 243.

When the chair user adjusts the height of the armrest, while holding the button 234 while holding the armrest 300 by hand, lifted or pushed down and released from the button 234. The spring 236 pushes the upper end of the lever 231 to the outside before pressing the button 234, the jig 233 is inserted into the fixing groove 234. When the jig is inserted into the fixing groove, the vertical member 220 is blocked up and down movement is fixed to the vertical tube (130). When the button 234 is pressed, the jig 233 under the pin 232 is removed from the fixing groove 234, so that the vertical member 220 is supported by the vertical tube 130 and is allowed to move up and down. The user moves the armrest to the desired height while pressing the button and releases the button so that the armrest is fixed at the desired position. The movement and fixation of the armrest is possible only in the region where the jig is fitted into the fixing groove.

Armrest height adjustment means 200 includes a stopper for setting the height adjustment area. The height adjusting stopper is installed in the vertical member 220 and comprises a section determination hole 250 for determining the height adjustment section of the armrest, and a pin stopper 251 penetrating the section determination hole and supported by the vertical tube 130. The height adjusting stopper moves the vertical member 220 within the length of the section determination hole 250 so that the vertical member 220 is separated from the vertical tube 130 or the jig 233 does not leave the area of the fixing groove 23. Do not restrict the operation of the vertical member 220.

Since the armrest height adjustment button 234 is disposed in the recessed position under the armrest in the button passages 214 and 214a, it is easy to operate by sitting with a thumb and approaching the thumb. The risk of causing injury to the user is excluded.

Art tube 210 that is assembled to the armrest bottom plate 221 to cover the outer surface of the vertical tube 130 is

The button passage 214a communicated with the button passage 214, the armrest bottom plate 221 is attached to the art tube and comprises a connecting portion 211 for wrapping the bottom plate 221. The art tube 210 is assembled to be integral with the bottom plate 221 and conceal the height adjustment device to exclude the risk of injury and is provided only for art design without interfering with the operation of the height adjustment device.

The armrest 300 includes an abdominal plate 320 assembled to the bottom plate 221, a cover plate 330 covering the abdomen plate, an armrest support 310 supporting the abdomen plate 320 on the bottom plate 221, and an armrest support 310. It is configured to include an assembling hole 321 for supporting the abdominal plate 320 to the bottom plate 221 by the assembly pin.

Since the armrest supporter and the bottom plate 221 assemble the abdominal plate to the bottom plate with the assembling hole 321 interposed therebetween, the assembly posture of the armrest can be selected and the armrest can be assembled to the bottom plate in a flow state.

As such, the present invention is because the mechanical height adjustment means except the height adjustment button is concealed in the art tube and the height adjustment button is disposed in the concave portion of the inner top of the art tube is removed all the risk factors of the user, the height adjustment device is concealed Art design will not be constrained, and this will provide a high quality product for height adjustment of chair armrests. In addition, the chair armrest provides a height adjustment device of the chair armrest that can be firmly assembled to the chair frame vertical armrest member with a single screw.

Example 1.

The height adjustment device of the armrest chair was manufactured 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,

Height adjustment device of the chair armrest configured to include.

Example 2.

Assembly coupler 100 of Example 1 was prepared in the following configuration.

1) Coupler Cup 110 Outside Bracket

2) Coupler outer member 121 is inserted in close contact with the inner surface 111 of the coupler cup 110 and installed at the lower end of the vertical tube (130).

3) coupling joint 122 forming a connection between the coupler cup 110 and the vertical tube 130

4) Screw hole 123 installed in the coupler outer member 121

5) Screw 124 for attaching the longitudinal tube 130 to the coupling cup 110

Example 3.

Height adjusting means 200 of Example 1 was prepared in the following configuration.

1) fixing grooves 243 installed on the outer wall of the vertical tube 130 by dividing each adjustment point within the armrest height adjustment section.

2) the abdominal space 230 installed on the vertical member

3) Lever 231 installed as a pin 232 in the abdominal space 230

4) jig (233) installed on the lever to fit into the fixing groove (243)

5) Button passage 214 installed on the inner wall top of the vertical member 130

6) button 234 of the lever 231 protrudes below the bottom plate 221 of the armrest through the button passage 214

7) a spring 236 supported by the lever support 235 to push the lever button out and to insert the jig into the fixing groove;

Example 4.

An art tube 210 was assembled to the armrest bottom plate 221 of Example 1 to cover the outer surface of the vertical tube 130 including the following configuration.

1) Button passage 214a in communication with button passage 214

2) a connection portion 211 for attaching the art tube to the bottom plate 221 and surrounding the bottom plate 221.

Example 5.

Armrest of Example 1 was prepared including the following configuration.

1) armrest 300 is the abdominal plate 320 is assembled to the bottom plate 221

2) cover plate 330 covering the abdominal plate

3) armrest support 310 for supporting abdominal plate 320 to bottom plate 221

4) an assembly hole 321 for supporting the abdominal plate 320 on the bottom plate 221 by the assembly pin of the armrest support 310.

Example 6.

Height adjusting means 200 of Example 3 was prepared including the following configuration.

1) Section determination hole 250 is installed in the vertical member 130 to determine the height adjustment section of the armrest

2) a pin stopper 251 that is supported by the vertical tube 130 through the section determination hole.

1 is a front view of a chair

2 is a side view of a chair

Figure 3 is the chair armrest side view of the present invention

4 is a cross-sectional view taken along line B-B

5 is a front view of the armrest

6 is a cross-sectional view taken along the line A-A.

7 is an exploded perspective view

8 is an exploded bottom perspective view

* Explanation of the main symbols in the drawings

Reference numeral 100 is an assembly coupler, 200 is height adjustment means, 300 is armrest, 150 is bracket, 110 is coupler cup, 111 is inner surface, 121 is outer member, 122 is coupling joint, 123 is screw hole, 124 is screw , 130 is vertical tube, 131 is inner surface, 210 is art tube, 211 is connection part, 214, 214a is passage, 219 is gap, 220 is vertical member, 221 is bottom plate, 230 is abdominal space, 231 is lever, 232 is Pin, 243 is a fixing groove, 233 is a jig, 234 is a button, 235 is a lever receiving, 236 is a locking spring, 310 is a support, 321 is an assembly hole, 251 is a stopper, 250 is a sectioning hole

Claims (6)

In the case of having the assembly coupler of the outer longitudinal tube of the bracket, the art tube covering the longitudinal tube, the concealed gap of the longitudinal tube installed in the art tube, the longitudinal tube extending from the outer side of the assembly coupler, and the height adjusting means of the longitudinal member. , Fixing grooves 243 installed in each of the adjustment points divided in the armrest height adjustment section on the outer wall of the vertical tube 130, the abdominal space 230 is installed in the vertical member, the abdominal space 230 is installed as a pin 232 The bottom of the armrest through the lever 231, the jig 233 installed in the lever so as to fit into the fixing groove 243, the button passage 214 installed on the upper inner wall of the vertical member 130, the button passage 214 The height adjusting means 200 is supported by a button 234 and a lever support 235 of the lever 231 protruding under the plate 221 and pushing the lever button outward and fitting the jig into the fixing groove. Height adjustment of configured armrests. The method of claim 1, Assembly coupler 100 of the vertical tube (130) Coupler cup 110 outside the bracket, Coupler outer member 121 is inserted in close contact with the inner surface 111 of the coupler cup 110 and installed at the lower end of the vertical tube 130, Coupling joint 122 forming a connection between the coupler cup 110 and the longitudinal tube 130, Screw hole 123 installed in the coupler outer member 121, And a screw 124 attaching the vertical tube 130 to the coupling cup 110. delete The method of claim 1, Art tube 210 that is assembled to the armrest bottom plate 221 to cover the outer surface of the vertical tube 130 is A button passage 214a in communication with the button passage 214, And Height adjustment device of the chair armrest configured to further comprise a connection portion 211 for attaching the art tube to the armrest bottom plate 221 and wrap the bottom plate 221. The method of claim 1, Armrest 300 is An abdominal plate 320 assembled to the bottom plate 221, Cover plate 330 covering the abdominal plate, Armrest support 310 for supporting the abdominal plate 320 to the bottom plate 221, And an assembly hole 321 for supporting the abdominal plate 320 on the bottom plate 221 by the assembly pins of the armrest supporter 310. The method of claim 1, Height adjusting means 200 Section determination hole 250 is installed in the vertical member 130 to determine the height adjustment section of the armrest, And a pin stopper 251 supported by the vertical tube 130 through the section determination hole. Height adjustment device of the chair armrest further comprising.

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