CN220423532U - Elastic supporting structure of office chair - Google Patents
Elastic supporting structure of office chair Download PDFInfo
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- CN220423532U CN220423532U CN202321789274.4U CN202321789274U CN220423532U CN 220423532 U CN220423532 U CN 220423532U CN 202321789274 U CN202321789274 U CN 202321789274U CN 220423532 U CN220423532 U CN 220423532U
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- rotating device
- rod
- backrest
- arc telescopic
- circular arc
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- 230000007613 environmental effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 201000005671 spondyloarthropathy Diseases 0.000 description 1
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Abstract
The utility model relates to the technical field of office chairs, in particular to an elastic supporting structure of an office chair, which comprises an arc telescopic sleeve rod, wherein a spring is arranged in the arc telescopic sleeve rod, one end of the spring is fixedly connected with the arc telescopic rod, a positioning hole is formed in the arc telescopic rod, a fixing hole is formed in the arc telescopic sleeve rod, a fixing rod is movably connected in the fixing hole, one end of the fixing rod is movably connected with a first rotating device, one end of the rotating device is movably connected with a first connecting rod, one end of the first connecting rod is movably connected with a second rotating device, one end of the second rotating device is movably connected with a second connecting rod, one end of the second connecting rod is movably connected with a third rotating device, and one end of the third rotating device is movably connected with a control handle. The utility model has the advantages that: the backrest is lightly pressed forwards under the action of the spring, the back and the waist can be attached to the backrest, the backrest is more comfortable during work or rest, and the backrest can be fixed through the control handle.
Description
Technical Field
The utility model relates to the technical field of office chairs, in particular to an elastic supporting structure of an office chair.
Background
At present, office chairs are generally divided into two types, namely a chair back fixed type and a chair back adjustable type, wherein the chair back fixed type is not adjustable, so that the back is easy to fatigue after long-term use, certain compression is caused to human vertebrates, and the probability of suffering from spondylopathy is increased; the chair with the adjustable chair back mainly achieves the aim of adjusting by locking and adjusting the angle of the chair back in sections, but cannot achieve the aim of adjusting the chair back quickly because of complicated adjusting steps.
The utility model discloses an office chair back of chair bearing structure in chinese patent CN 214855572U, this office chair back of chair bearing structure can adjust the distance between headrest pad and the back of the chair, and adjusts conveniently simply, however, this office chair back of the chair bearing structure, when solving the problem, has following shortcoming: the device can't adjust the angle of back, leads to the user to experience when using and feels relatively poor, and waist and the unable fine laminating of back are on the back when using for the user is very tired soreness of waist back pain under the long-time circumstances of sitting.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
The utility model aims to overcome the defects of the prior art, solve the problems in the background art and provide an elastic supporting structure of an office chair.
The aim of the utility model is achieved by the following technical scheme: the utility model provides an office chair elastic support structure, includes the flexible loop bar of circular arc, the inside spring that is furnished with of flexible loop bar of circular arc, spring one end fixedly connected with circular arc telescopic link, the inside swing joint of circular arc telescopic link, there is the locating hole in the flexible loop bar of circular arc, there is the fixed orifices on the flexible loop bar of circular arc, swing joint has the dead lever in the fixed orifices, dead lever one end swing joint has a rotating device, rotating device one end swing joint has the head rod, head rod one end swing joint has a rotating device No. two, rotating device one end swing joint No. two has the second connecting rod, second connecting rod one end swing joint has No. three rotating device, no. three rotating device one end swing joint has the control handle.
The preferred first rotating device, the second rotating device and the third rotating device are of the same structure and comprise movable rods at two ends and a central rotating shaft rod.
By adopting the technical scheme, the movable rod can be connected with the rod piece and the rotating device, the axial force provided by the rotating device is converted into horizontal force for pushing the rod piece to move, and the rotating shaft rod can fix the rotating shaft device, so that the rotating shaft rod can only rotate around the rotating shaft rod.
One end of the preferable arc telescopic sleeve rod is fixedly connected with a cushion.
By adopting the technical scheme, the cushion can make people feel more comfortable when working and resting.
The side of the preferred cushion is provided with a control handle groove, and the control handle is movably connected in the control handle groove.
By adopting the technical scheme, the control handle groove can prevent the control handle from being touched by mistake.
The side of the preferable cushion is fixedly connected with an armrest, and the lower end of the cushion is provided with a roller frame.
By adopting the technical scheme, the arm rest can be supported by the armrests, so that the device can be conveniently moved by the roller frame.
One end of the preferable arc telescopic rod is fixedly connected with a backrest frame, and a waist pillow mounting hole is formed in the backrest frame.
Through adopting above-mentioned technical scheme back frame to be used for fixed waist pillow and back spring, waist pillow mounting hole can make the waist pillow to dismantle.
The preferred lumbar pillow is movably connected with a lumbar pillow in the lumbar pillow mounting hole, and a backrest spring is fixedly connected between the backrest frames.
By adopting the technical scheme, the waist pillow can support the waist to a certain extent, so that the waist force is reduced, and the backrest spring can be more comfortable when people lean on to rest.
The back rest connecting hole is arranged at the rear side of the preferable cushion.
By adopting the technical scheme, the backrest connecting hole is used for connecting the backrest and the cushion.
The lower end of the preferred backrest frame is fixedly connected with a connecting shaft, and the connecting shaft is movably connected in the backrest connecting hole.
By adopting the technical scheme, the connecting shaft is inserted into the backrest connecting hole, so that the backrest can rotate around the connecting shaft.
The outer movable protection tube that is connected with of preferential dead lever, pivot pole fixedly connected with protective housing on the rotating device No. one, in the equal fixed connection cushion of pivot pole on rotating device No. two and the rotating device No. three.
Through adopting above-mentioned technical scheme protection tube can protect the dead lever and reduce environmental impact extension device life-span, and the protective housing can protect rotating device increase of service life.
Compared with the prior art, the utility model has the following advantages:
1. according to the elastic supporting structure of the office chair, when the fixing rod is not inserted into the fixing hole and the positioning hole, the backrest can be pressed forwards under the action of the spring, the back and the waist can be attached to the backrest, the office chair is more comfortable during work or rest, the fixing rod can be inserted into the fixing hole and the positioning hole through the control handle, at the moment, the spring and the circular arc telescopic rod are fixed, the backrest cannot be rotated, and the state of the backrest during the most comfortable state can be fixed;
2. this office chair elastic support structure, back support are furnished with the back spring and can be more comfortable when the people leans on the rest, and this office chair is furnished with detachable waist pillow, and waist pillow can provide certain support to the waist and reduce waist power, can dismantle the waist pillow when the rest and conveniently lie down the rest.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the spring of the present utility model;
FIG. 3 is a schematic view of the position relationship between the fixing hole and the fixing rod according to the present utility model;
FIG. 4 is a schematic view of the structure of each lever and each rotating device according to the present utility model;
FIG. 5 is a schematic view of the structure of the back spring of the present utility model;
fig. 6 is a schematic structural view of the connecting shaft and the backrest connecting hole of the present utility model.
In the figure: the novel high-strength electric bicycle comprises a 1 circular arc telescopic sleeve rod, a 2 spring, a 3 circular arc telescopic rod, a 4 positioning hole, a 5 fixing hole, a 6 fixing rod, a 7 first rotating device, a 8 first connecting rod, a 9 second rotating device, a 10 second connecting rod, a 11 third rotating device, a 12 control handle, a 13 movable rod, a 14 rotating shaft rod, a 15 cushion, a 16 control handle groove, a 17 armrest, a 18 roller frame, a 19 backrest frame, a 20 lumbar pillow mounting hole, a 21 lumbar pillow, a 22 backrest spring, a 23 backrest connecting hole, a 24 connecting shaft, a 25 protecting tube and a 26 protecting shell.
Detailed Description
Additional aspects and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
As shown in figures 1-6, an elastic supporting structure of office chair comprises an arc telescopic sleeve rod 1, a spring can be fixed on the arc telescopic sleeve rod to form a telescopic structure, the spring 2 is arranged in the arc telescopic sleeve rod 1, the spring can provide thrust for the arc telescopic rod so that a backrest can be attached to the waist and back, one end of the spring 2 is fixedly connected with an arc telescopic rod 3, the arc telescopic rod 3 is movably connected inside the arc telescopic sleeve rod 1, a positioning hole 4 is formed in the arc telescopic rod 3, a plurality of gears can be arranged in the positioning hole when the backrest is fixed, a fixing hole 5 is formed in the arc telescopic sleeve rod 1, a fixing rod 6 is movably connected in the fixing hole 5, the fixing rod is inserted into the fixing hole and the positioning hole to fix the backrest, a first rotating device 7 is movably connected with one end of the fixing rod, the first rotating device drives the fixing rod to move in a straight line, the first connecting rod 8 is movably connected with one end of the rotating device 7, the first connecting rod is used for being connected with the first rotating device and the second rotating device, one end of the first connecting rod 8 is movably connected with the second rotating device, the second rotating device is movably connected with the third connecting rod 11, the third rotating device is movably connected with the third connecting rod 11, and the third rotating device is movably connected with the third connecting rod 11.
As a preferable technical scheme of the utility model, the first rotating device 7, the second rotating device 9 and the third rotating device 11 have the same structure and are composed of movable rods 13 at two ends and a central rotating shaft lever 14, wherein the movable rods can be connected with the rotating devices, the axial force provided by the rotating devices is converted into horizontal force for pushing the rods to move, and the rotating shaft lever can fix the rotating shaft device to enable the rotating shaft device to rotate only around the rotating shaft lever.
As a preferable technical scheme of the utility model, one end of the circular arc telescopic sleeve rod 1 is fixedly connected with the cushion 15, and the cushion can make people feel more comfortable when working and resting.
As a preferable technical scheme of the utility model, a control handle groove 16 is arranged on the side face of the cushion 15, the control handle 12 is movably connected in the control handle groove 16, and the control handle groove can prevent the control handle from being touched by mistake.
As a preferable technical scheme of the utility model, the side surface of the cushion 15 is fixedly connected with the armrest 17, the lower end of the cushion 15 is provided with the roller frame 18, the armrest can support arms for rest, and the roller frame can enable the device to move conveniently.
As a preferable technical scheme of the utility model, one end of the arc telescopic rod 3 is fixedly connected with a backrest frame 19, the backrest frame 19 is provided with a waist pillow mounting hole 20, the backrest frame is used for fixing a waist pillow and a backrest spring, and the waist pillow mounting hole can enable the waist pillow to be detached.
As a preferable technical scheme of the utility model, the waist pillow 21 is movably connected in the waist pillow mounting hole, the backrest springs 22 are fixedly connected between the backrest frames 19, the waist pillow can support the waist to a certain extent to reduce the waist force, and the backrest springs can be more comfortable when people lean on for rest.
As a preferred embodiment of the present utility model, the back cushion 15 has a back-rest connection hole 23 at the rear side thereof for connecting the back rest and the cushion.
As a preferred technical scheme of the utility model, the lower end of the backrest frame 19 is fixedly connected with a connecting shaft 24, the connecting shaft 24 is movably connected in the backrest connecting hole 23, and the backrest can rotate around the connecting shaft when the connecting shaft is inserted into the backrest connecting hole.
As a preferable technical scheme of the utility model, the outer part of the fixed rod 6 is movably connected with a protection tube 25, the rotating shaft rod 14 on the first rotating device 7 is fixedly connected with a protection shell 26, the rotating shaft rods 14 on the second rotating device 9 and the third rotating device 11 are fixedly connected with the inside of the cushion 15, the protection tube can protect the fixed rod, reduce the environmental influence and prolong the service life of the device, and the protection shell can protect the rotating device and prolong the service life.
The working process of the utility model is as follows:
s1, moving a control handle backwards can drive a third rotating device to rotate, and the third rotating device can move around a rotating shaft rod of the third rotating device so as to drive a second connecting rod to move;
s2, the second connecting rod moves to drive the second rotating device to rotate around the rotating shaft rod, and the second rotating device rotates to drive the first connecting rod to move;
s3, the first connecting rod can drive the first rotating device to rotate around the rotating shaft rod, and the first rotating device can drive the fixed rod to move after rotating;
s4, the fixing rod can be inserted into or pulled out of the fixing hole and the positioning hole by moving, so that the backrest is fixed or movable.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. this office chair elastic support structure, when the dead lever did not insert in fixed orifices and the locating hole, the back can be under the effect of spring forward pressure, can laminate back and waist and back in opposite directions, and more comfortable when working or having a rest can insert the dead lever in fixed orifices and the locating hole through the control handle, and spring and circular arc telescopic link are fixed at this moment, and the back is fixed can not be at the rotation, can fix the state of back when comfortablely.
2. This office chair elastic support structure, back support are furnished with the back spring and can be more comfortable when the people leans on the rest, and this office chair is furnished with detachable waist pillow, and waist pillow can provide certain support to the waist and reduce waist power, can dismantle the waist pillow when the rest and conveniently lie down the rest.
Claims (10)
1. An elastic supporting structure of an office chair, which is characterized in that: including circular arc telescopic handle (1), the inside spring (2) that is furnished with of circular arc telescopic handle (1), spring (2) one end fixedly connected with circular arc telescopic handle (3), circular arc telescopic handle (3) are at the inside swing joint of circular arc telescopic handle (1), there is locating hole (4) in circular arc telescopic handle (3), there is fixed orifices (5) on circular arc telescopic handle (1), swing joint has dead lever (6) in fixed orifices (5), dead lever (6) one end swing joint has a rotating device (7), rotating device (7) one end swing joint has head rod (8), head rod (8) one end swing joint has No. two rotating device (9), no. two rotating device (9) one end swing joint has second connecting rod (10), no. three rotating device (11) one end swing joint has control handle (12) of second connecting rod (10).
2. An elastic support structure for office chairs according to claim 1, wherein: the first rotating device (7), the second rotating device (9) and the third rotating device (11) are of the same structure and are composed of movable rods (13) at two ends and a central rotating shaft (14).
3. An elastic support structure for office chairs according to claim 1, wherein: one end of the circular arc telescopic sleeve rod (1) is fixedly connected with a cushion (15).
4. An office chair flexible support structure according to claim 3, wherein: the side of the cushion (15) is provided with a control handle groove (16), and the control handle (12) is movably connected in the control handle groove (16).
5. An office chair flexible support structure according to claim 3, wherein: the side of the cushion (15) is fixedly connected with an armrest (17), and the lower end of the cushion (15) is provided with a roller frame (18).
6. An elastic support structure for office chairs according to claim 1, wherein: one end of the circular arc telescopic rod (3) is fixedly connected with a backrest frame (19), and a waist pillow mounting hole (20) is formed in the backrest frame (19).
7. An elastic support structure for office chairs according to claim 6, wherein: the waist pillow mounting holes are movably connected with waist pillows (21), and backrest springs (22) are fixedly connected between backrest frames (19).
8. An office chair flexible support structure according to claim 3, wherein: the back connecting hole (23) is arranged at the rear side of the cushion (15).
9. An elastic support structure for office chairs according to claim 6, wherein: the lower end of the backrest frame (19) is fixedly connected with a connecting shaft (24), and the connecting shaft (24) is movably connected in the backrest connecting hole (23).
10. An elastic support structure for office chairs according to claim 1, wherein: the protection device is characterized in that a protection tube (25) is movably connected outside the fixed rod (6), a rotating shaft rod (14) on the first rotating device (7) is fixedly connected with a protection shell (26), and the rotating shaft rods (14) on the second rotating device (9) and the third rotating device (11) are fixedly connected with the inside of the cushion (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321789274.4U CN220423532U (en) | 2023-07-10 | 2023-07-10 | Elastic supporting structure of office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321789274.4U CN220423532U (en) | 2023-07-10 | 2023-07-10 | Elastic supporting structure of office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220423532U true CN220423532U (en) | 2024-02-02 |
Family
ID=89700500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321789274.4U Active CN220423532U (en) | 2023-07-10 | 2023-07-10 | Elastic supporting structure of office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220423532U (en) |
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2023
- 2023-07-10 CN CN202321789274.4U patent/CN220423532U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |