TWI662925B - Assembly structure of ergonomic cushion for chair back of office chair - Google Patents

Abstract

An assembling structure of an ergonomic cushion for a chair back of an office chair includes a chair back and a cushion device. The chair back includes a body and a foam pad, wherein a bottom of the foam pad forms a loop-shaped notch, and the body The foam cushion is covered and fixed by a seat back cover, so that a receiving groove is formed under the seat back, the seat back covering is on the upper edge of the receiving groove and a covering cloth is sewn; The cushion device comprises a cushion body, a lining cover and a multi-section adjusting frame, wherein a notch groove is formed at the rear corner of the back of the cushion body, the lining cover is sleeved in the notch groove, and is then outsourced through a cushion The sleeve is covered and fixed to form an accommodating space at the lining cover and the notch slot. The multi-stage adjusting frame is provided with a folding joint on the left and right, and a rear end of the two folding joints is fixed with a locking plate with a perforation. A fixed piece is erected at the front end of the two folding joints, and the fixing piece is used to connect the accommodating space formed by the cushion body covered with the cushion outer cover and the lining cover, and the cushion device can just accommodate and fix the chair. In the receiving groove formed under the back, the chair Zheshi outer sheath of cloth and then formed by overmolding.

Description

Assembly structure of ergonomic cushion for chair back of office chair

The invention relates to an assembly structure designer of an ergonomic cushion for a chair back of an office chair.

According to the progress of the society and the improvement of the quality of life, people have paid more and more attention to their bodies. Because modern people have been sitting on office chairs for longer and longer, the human hips and back have been seated for a long time. There will be flatness, muscle sagging or soreness. For this reason, there is the generation of a chair back and waist backrest. The most traditional chair back and waist backrest is to place a freestanding waist backrest directly on the front side of the chair back. The one-point backrest and backrest are formed on the backrest, and the backrest can be adjusted up and down. However, due to the difference of the user's body, the backrest body is not suitable for users' waists of various body heights. Push-ups. Furthermore, when working or handling paperwork, people will move their bodies slightly in front of the seat cushions, and naturally straighten the waist bar to facilitate the smooth execution of official movements. Supported by the backrest body, causing soreness and discomfort in the waist.

Therefore, in view of the problems existing in the above-mentioned conventional structure, how to develop an innovative structure that is more ideal and practical is eagerly awaited by consumers, and it is also the goal and direction for relevant industry players to work hard to make breakthroughs.

In view of this, the inventor has been engaged in the manufacturing, development and design of related products for many years. For the above-mentioned goals, after detailed design and careful evaluation, he finally got a practical invention.

The main object of the present invention is to provide an assembling structure of an ergonomic cushion for a seat back of an office chair. An adjustable cushion device is provided below the seat back, and the cushion device is accommodated in a receiving recess formed under the seat back. At the groove, when not in use, it just fits in the accommodating groove without affecting the discomfort of riding. When you want to make the waist abut, you can pull the cushion device from the bottom up to reach the most appropriate. The angle is set to protrude so that the waist of the human body can have a suitable resistance to the purpose.

In order to achieve the above-mentioned object and effect, an assembly structure of an ergonomic cushion for a seat back of an office chair according to the present invention includes a seat back and a cushion device. The seat back includes a body and a foam cushion, wherein the foam cushion bottom A notch is formed at the end, and the body and the foam pad are covered and fixed by a back cover of the seat back, so that a receiving groove is formed under the back of the chair, and the back cover of the seat is over the upper edge of the receiving groove. A covering cloth is sewn at the side; the cushion device includes a cushion body, a lining cover and a multi-section adjusting frame, wherein a notch is formed at the rear corner of the back of the cushion body, and the lining cover is sleeved on the cushion body. The notch groove is covered and fixed by a cushion cover to form an accommodation space at the lining cover and the notch groove. A folding joint is provided on each of the left and right sides of the multi-stage adjusting frame, and the rear ends of the two folding joints are respectively fixed. A perforated locking piece is set, and a fixed piece is set at the front end of the two folding joints, which is convenient The fixing sheet is used to connect the accommodating space formed by the cushion body covered by the cushion outer cover and the lining cover, and the cushion device can be accommodated and fixed in the accommodating groove formed below the seat back. The covering cloth formed by the back cover of the chair is then overmolded.

The assembling structure of the ergonomic cushion of the back of the office chair disclosed above, wherein the body is preset with a plurality of lock holes at the upper edge near the 缺口 -shaped notch of the foam pad, and the receiving groove should be locked Opposite locking pieces are provided on the outer edge surface of the hole.

The assembly structure of the ergonomic backrest of the office chair backrest disclosed above, wherein the backrest device is fixed to the outer edge of the backrest receiving groove by a bolt with a locking hole inside the rear end of the two folding joints by a screw. The lock piece on the surface and the corresponding body lock hole.

The above-disclosed assembly structure of the ergonomic cushion of the back of the office chair, wherein the width of the cushion is limited to not more than the notch of the aforementioned seat back, and the thickness is similar to the thickness of the foam pad of the aforementioned seat back. It is smaller than the height of the ㄇ -shaped notch of the aforementioned seat back.

The above-disclosed assembly structure of the back of the office chair is provided with an ergonomic cushion. The lining cover is a cover shape whose front end, top end and both sides are closed sides. The top end of the lining cover is provided with screw holes on the closed side. .

The assembly structure of the ergonomic cushion for the back of the office chair disclosed above, wherein the system is a wood material, and the keyhole of the body is formed by the wood material embedded nut.

The above-disclosed assembly structure of the ergonomic cushion of the back of the office chair, wherein the system is a metal pipe, the metal pipe is provided with a fixing piece horizontally, and the keyhole of the body is formed on the fixing piece. .

As for the detailed structure, application principle, function and effect of the present invention, a complete understanding can be obtained with reference to the following description made with reference to the drawings:

10‧‧‧back of chair

11‧‧‧ Ontology

111‧‧‧ keyhole

112‧‧‧Fixed

12‧‧‧ foam pad

121‧‧‧ ㄇ shaped notch

13‧‧‧Chair back cover

131‧‧‧ Canvas

132‧‧‧ lock plate

A‧‧‧Receiving groove

20‧‧‧ cushion device

21‧‧‧ cushion body

211‧‧‧Gap

22‧‧‧ Liner

221‧‧‧Screw hole seat

23‧‧‧Multi-section Adjusting Frame

231‧‧‧Folding joint

232‧‧‧Fixing hole

233‧‧‧clip holder

234‧‧‧perforation

235‧‧‧Fix

24‧‧‧ Cushion Cover

25‧‧‧ Bolt

26‧‧‧Lock

The first figure is a three-dimensional exploded view of the present invention.

The second figure is an exploded perspective view of the structure of the cushion device of the present invention.

The third figure is an exploded perspective view of an embodiment of a seat back body and a foam pad structure according to the present invention.

The fourth figure is an exploded perspective view of another embodiment of the seat back body and the foam pad structure of the present invention.

The fifth figure is a schematic diagram of the operation of the cushion device of the present invention.

The sixth figure is a schematic view of a cushion device supporting a human waist at a maximum angle according to an embodiment of the present invention.

The seventh figure is a schematic diagram of a cushion device supporting a human waist at a minimum angle according to an embodiment of the present invention.

The eighth figure is a schematic view of a person lying on his back while still being supported by the cushion device according to an embodiment of the present invention.

First, please refer to the first to fourth figures, an office of the present invention The assembly structure of the backrest of the chair with an ergonomic cushion includes: a backrest 10 including a body 11 and a foam pad 12, wherein the bottom end of the foam pad 12 forms a loop-shaped notch 121, The body 11 and the foam pad 12 are covered and fixed by a seat back cover 13, so that a receiving groove A is formed below the seat back 10, and the seat back cover 13 is formed on the receiving groove A. A cover cloth 131 is sewn on the edge, and the body 11 is located near the upper edge of the foam-shaped pad 12's notch 121. A plurality of lock holes 111 are preset, and the receiving groove A corresponds to the lock hole 111. Opposite locking pieces 132 are provided on the outer edge surface.

A cushion device 20, as shown in the second figure. The cushion device 20 includes a cushion body 21, a lining cover 22, and a multi-section adjusting frame 23. The width of the cushion body 21 does not exceed the aforementioned seat back. The receiving groove A of 10 is limited. The thickness is similar to the thickness of the foam pad 12 of the aforementioned seat back 10. The length is less than the upper and lower heights of the receiving groove A of the aforementioned seat back 10. The lower rear corner of the back of the cushion body 21 A notch groove 211 is formed; the lining cover 22 is a cover shape with closed ends at its front end, top end, and both sides, which can be accommodated in the notch groove 211 of the cushion body 21, and the top closed edge is provided with There are several screw hole seats 221. The aforementioned cushion body 21 and the lining cover 22 are covered and fixed by a cushion outer cover 24, so that the notch groove 211 of the cushion body 21 and the lining cover 22 are combined and covered to form an accommodation space. (Not shown); and the multi-stage adjusting frame 23 is provided with a folding joint 231 on the left and right sides, and a locking pad seat 233 with a fixing hole 232 is fixed on the rear end of the two folding joints 231, and the front end of the two folding joints 231 is A fixing piece 235 with a plurality of perforations 234 on one side is erected, and the fixing piece 235 is used to lock the aforementioned piece by bolts 25. On the screw hole seat 221 at the upper edge of the accommodating space formed by the cushion body 21 and the lining cover 22 covered by the cushion cover 24, the aforementioned cushion device 20 is further composed of two folding joints 231 by a lock member 26 The locking piece seat 233 with a fixing hole 232 in the end is locked to the locking piece 132 formed in the accommodating groove A of the seat back and the locking hole 111 of the main body 11 for positioning. The cover cloth 131 sewn on the receiving groove A covers the cushion device 20.

As shown in the third figure, it is an exploded perspective view of an embodiment of the structure of the main body 11 and the foam pad 12 of the seat back 10 according to the present invention. As shown in the figure, the main body 11 is a wooden material, and the keyhole 111 of the main body It is made up of this wood material embedded nut.

As shown in the fourth figure, it is an exploded perspective view of another embodiment of the structure of the main body 11 and the foam pad 12 of the seat back 10 of the present invention. As shown in the figure, the main body 11 is a metal pipe, and the metal pipe is horizontal A fixing piece 112 is provided, and the locking hole 111 of the body is formed on the fixing piece 112.

With the composition of the above components, the cushion device 20 is accommodated in the accommodation groove A formed under the seat back 10, and at the same time, the cushion device 20 can be accommodated in the accommodation groove A by the multi-stage adjusting frame 23. Generate a multi-segment angle adjustment change (as shown in the fifth figure). When the cushion device 20 is pulled from bottom to top, an angle change can be generated by the folding joint 231 of the multi-segment adjustment frame 23. After the cushion device 20 is pulled up to the extreme position, the folding joint 231 is idly rotated, so that the cushion device 20 can be returned to the receiving groove A, and the folding joint 231 of the multi-stage adjusting frame 23 is Known technology, so it will not be repeated here. Therefore, the cushion device 20 of the present invention can be adjusted to an appropriate inclination angle at will. The waist of the occupant resists or collapses into the receiving groove A of the seat back 10.

To sum up, the assembly structure of the ergonomic cushion on the back of the office chair of the present invention can obtain the following effects and advantages, so the object of the present invention can be achieved:

First, the cushion device 20 of the present invention is accommodated in the accommodation groove A formed under the seat back 10, and when not in use, it fits in the accommodation groove A without affecting the discomfort of riding. When the waist is to be abutted, the cushion device 20 can be pulled from the bottom to the top to reach the most appropriate angle, so that the waist of the human body can have appropriate resistance.

2. Since the cushion device 20 can generate a multi-segment angle change through the folding joint 231 of the multi-segment adjustment frame 23, different users or different sitting postures can adjust the most appropriate angle for the waist to resist.

3. The cushion device 20 of the present invention may be covered by a covering cloth 131 provided on the outer cover 13 of the seat back, so that the multi-stage adjusting frame 23 of the cushion device 20 may not be exposed and affect its appearance.

In summary, the present invention has excellent progress and practicality among similar products. At the same time, it has traversed domestic and foreign technical data on such structures. It has not been found in the literature that the same structure exists first. Therefore, The present invention already has the elements of an invention patent, and the application is filed according to law.

However, the above are only the preferred and feasible embodiments of the present invention. Therefore, any equivalent structural changes made by applying the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.

Claims (7)

An assembling structure of an ergonomic cushion for a chair back of an office chair includes: a chair back including a body and a foam pad, wherein a bottom of the foam pad forms a loop-shaped notch, and the body and the foam The cushion is covered and fixed by a back cover of the seat back, so that a receiving groove is formed under the back of the seat, the outer cover of the seat is over the upper edge of the receiving groove and a covering cloth is sewn; a cushion device The cushion device includes a cushion body, a lining cover and a multi-section adjusting frame, wherein a notch groove is formed at the rear corner of the back of the cushion body, and the lining cover is fitted in the notch groove, and then passes through a cushion The outer sleeve is covered and fixed to form an accommodating space at the lining cover and the notch groove. The multi-section adjusting frame is provided with a folding joint on the left and right, and a locking piece with a perforation is fixed on the rear end of the two folding joints. A fixed piece is erected at the front end of the two folding joints, and the fixed piece is used to connect the accommodating space formed by the cushion body covered with the cushion outer cover and the lining cover, and the cushion device can just be accommodated and fixed in the foregoing. In the receiving groove formed under the seat back, The covering cloth formed by the back cover is then overmolded, so that the cushion device can make an angle change through the folding joint of the multi-section adjusting frame, and when it is not in use, it is folded into the receiving recess under the seat back. The groove does not affect the discomfort of riding. When you want to make the waist abut, you can pull the cushion device from the bottom to the top to reach the most appropriate angle to protrude, so that the human waist can have a proper Resist. According to the assembly structure of the ergonomic cushion of the back of the office chair as described in item 1 of the scope of patent application, wherein the body is preset with a plurality of keyholes located near the upper edge of the foam-shaped notch of the foam pad, the container Opposite lock plates are provided on the outer edges of the grooves corresponding to the lock holes. The assembly structure of the ergonomic cushion of the back of the office chair as described in item 2 of the scope of the patent application, wherein the cushion device is fixed to the back of the chair by a screw with a locking hole in the rear end of the two folding joints by a screw. The lock piece on the outer edge surface of the groove and the corresponding body lock hole are received. The assembly structure of the ergonomic cushion of the back of the office chair as described in item 1 of the scope of the patent application, wherein the width of the cushion is limited to not more than the notch of the aforementioned seat back, and the thickness is the same as that of the aforementioned seat back. The thickness of the cotton pad is similar, and the length is less than the height of the chin-shaped notch of the seat back. The assembly structure of the ergonomic cushion of the back of the office chair according to item 1 of the scope of the patent application, wherein the lining cover is a cover shape whose front end, top end and both sides are closed edges, and the top end of the lining cover is closed. There are several screw hole seats. According to the assembly structure of the ergonomic cushion of the back of the office chair as described in item 1 of the scope of the patent application, the system is a wood material, and the keyhole of the body is formed by the wood material embedded nut. According to the assembly structure of the ergonomic cushion for the back of the office chair as described in item 1 of the scope of patent application, the system is a metal pipe, the metal pipe is provided with a fixing piece horizontally, and the keyhole of the body is formed It is formed on the fixing piece.