CN114468644A - Adjustable comfortable office chair - Google Patents
Adjustable comfortable office chair Download PDFInfo
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- CN114468644A CN114468644A CN202210218668.8A CN202210218668A CN114468644A CN 114468644 A CN114468644 A CN 114468644A CN 202210218668 A CN202210218668 A CN 202210218668A CN 114468644 A CN114468644 A CN 114468644A
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- slide rail
- telescopic
- chair
- base
- rod
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- 230000000630 rising effect Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000001217 buttock Anatomy 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 210000003205 muscle Anatomy 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 210000000689 upper leg Anatomy 0.000 description 5
- 230000002040 relaxant effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses an adjustable comfortable office chair which comprises a base, a chair seat arranged on the base, a chair back and a chair back frame connected with the chair back, wherein the chair back is arranged on the chair seat; the bottom end of the chair back frame is rotatably connected to the rear end of the base and can be turned over forwards and backwards; a telescopic structure for movably connecting the base and the chair back frame is arranged between the base and the chair back frame; the bottom surface of the base is provided with arc-shaped sliding chutes which extend from the middle to the left side and the right side and are gradually raised; the chair seat is provided with an adjusting slide rail which is embedded in the arc-shaped slide groove in a sliding way, the left end and the right end of the adjusting slide rail are propped against the left end and the right end of the arc-shaped slide groove, and the left side and the right side of the adjusting slide rail can contract in length; the base is provided with an adjusting rod which extends forwards and backwards and can slide along the axial direction, and a linkage structure for movably connecting the adjusting rod and the adjusting slide rail is arranged between the adjusting rod and the adjusting slide rail; when the chair back frame turns backwards, the telescopic structure can drive the adjusting rod to move forwards and the linkage structure drives the adjusting slide rail to contract in length. The invention has the beneficial effect that the user can relax and rest more perfectly and thoroughly.
Description
Technical Field
The invention relates to an office chair, in particular to an adjustable comfortable office chair.
Background
In the prior art, many office chairs are provided with some adjusting mechanisms and corresponding adjusting structures for improving the comfort of users, so that the users can use the office chairs when the users need to have a rest and relax.
For example, patent application with prior art publication No. CN114027655A discloses a backward-leaning self-adaptive high-performance office chair, which comprises a base, a chair back support, a bottom plate, an armrest support rod, a headrest, a seat cushion, a backrest, a roller device and an armrest, wherein the bottom plate is slidably mounted on the base, the armrest is mounted on the armrest support rod, the seat cushion is mounted on the bottom plate and moves along with the movement of the bottom plate, and the roller device is fixedly connected to the base; the chair back support is connected with the connecting transmission piece, the connecting transmission piece is connected with the armrest supporting rod through the first transmission connecting rod and is connected with the bottom plate through the second transmission connecting rod, and the bottom plate is slidably mounted on the base through the linkage assembly.
The chair has the function of backward bending, has better stability when backward bending, can only relax the muscles of the back and the waist when a user bends backward to relax, and the buttocks and the back parts of the thighs of the user are still supported on the chair seat and are not relaxed, so that the defect that the buttocks are easy to pain after long-time sitting still exists.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an adjustable comfortable office chair, so that a user can relax muscles of the back, the waist, the hip and the legs when relaxing, and the adjustable comfortable office chair has a more thorough relaxing effect.
The invention is realized by the following technical scheme.
An adjustable comfortable office chair comprises a base, a chair seat arranged on the base, a chair back and a chair back frame connected with the chair back; the bottom end of the chair back frame is rotatably connected to the rear end of the base and can be turned over forwards and backwards; a telescopic structure movably connecting the base and the chair back frame is arranged between the base and the chair back frame; the bottom surface of the base is provided with an arc-shaped sliding chute, and the arc-shaped sliding chute extends from the middle to the left side and the right side and is gradually raised; the chair seat is provided with an adjusting slide rail which is embedded in the arc-shaped slide groove in a sliding manner, the left end and the right end of the adjusting slide rail are abutted against the left end and the right end of the arc-shaped slide groove, and the left side and the right side of the adjusting slide rail can be contracted in length; the base is provided with an adjusting rod which extends forwards and backwards and can slide along the axial direction, and a linkage structure for movably connecting the adjusting rod and the adjusting slide rail is arranged between the adjusting rod and the adjusting slide rail; when the chair back frame is turned backwards, the telescopic structure can drive the adjusting rod to move forwards and the linkage structure drives the adjusting slide rail to contract in length.
As a further improvement of the invention, the adjusting slide rail comprises two fixed slide rails extending out along the left/right direction of the base and gradually rising, and a telescopic slide rail sleeved outside the fixed slide rails and capable of telescopically sliding; the top edges of the fixed slide rail and the telescopic slide rail are higher than the top surface of the base.
As a further improvement of the invention, the left/right sides of the bottom plate are respectively formed with rib-shaped support ribs extending leftwards/rightwards and gradually rising, and the rib-shaped support ribs are supported on the bottom surface of the chair seat.
As a further improvement of the invention, the linkage structure comprises an arc-shaped rod and a connecting rod; the arc-shaped rod penetrates through the outer end of the fixed slide rail and is arranged inside the fixed slide rail and the telescopic slide rail, the outer end of the arc-shaped rod is fixedly connected with the outer end of the telescopic slide rail, and the inner end and the adjusting rod are movably connected with the two ends of the connecting rod respectively.
As a further improvement of the invention, the arc-shaped rod is sleeved with a first elastic reset piece, and two ends of the first elastic reset piece respectively support the outer end of the telescopic slide rail and the outer end of the telescopic slide rail.
As a further improvement of the invention, a connecting frame is arranged between the base and the chair back frame, the front end of the connecting frame is connected on the bottom plate, and the rear end of the connecting frame is rotatably connected with the bottom end of the chair back frame; the connecting frame extends from the front end to the rear end in a straight line, and bends upwards to the rear end after reaching the middle rear part.
As a further improvement of the invention, the telescopic structure comprises a telescopic cylinder and a telescopic rod; the front end of the telescopic cylinder is movably connected to the rear end of the base, and the rear end of the telescopic rod is movably connected to the chair back frame; the telescopic rod extends into the telescopic cylinder from the rear end of the telescopic cylinder and can slide back and forth along the telescopic cylinder.
As a further improvement of the invention, the middle lower part of the chair back frame is provided with a branch frame extending towards the back of the chair back frame, and the rear end of the telescopic rod is movably connected to the branch frame.
As a further improvement of the invention, the rear end of the adjusting rod is provided with a lug, and the lug is provided with a waist-shaped hole extending up and down; the top of the telescopic cylinder is provided with a long groove extending along the length direction of the telescopic cylinder, the part of the telescopic rod in the telescopic cylinder is provided with a connecting piece penetrating out of the long groove, and the top end of the connecting piece is provided with a bolt penetrating through the waist-shaped hole.
As a further improvement of the invention, a second elastic reset piece is arranged in the telescopic cylinder, and the two ends of the second elastic reset piece respectively support the front end of the telescopic cylinder and the front end of the telescopic rod.
The invention has the beneficial effects that:
according to the invention, through the linkage of the chair seat and the chair back, the chair seat can swing left and right when the chair back is turned backwards, so that a user can relax and rest in a half-side lying posture, muscles of the back, the waist, the hip and the thighs of the user can be well relieved, and the relaxing effect is better and thorough.
Drawings
The preferred embodiments of the present invention will hereinafter be described in detail to facilitate understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:
FIG. 1 is a front view of an adjustable comfort office chair of the present embodiment;
FIG. 2 is a left side view of the adjustable comfort office chair of the present embodiment;
FIG. 3 is a top view of the base of the present embodiment;
FIG. 4 is a bottom view of the chair seat of the present embodiment;
FIG. 5 is a schematic structural view of the adjusting slide rail and the linkage structure according to the present embodiment;
FIG. 6 is a front view of the telescopic structure and the adjustment lever of the present embodiment;
fig. 7 is a schematic sectional view of the telescopic cylinder of the present embodiment.
Detailed Description
The invention is explained in more detail below with reference to the drawings and exemplary embodiments.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.
Referring to fig. 1-7, an adjustable comfortable office chair comprises a base 11, a seat 2, a backrest 4, a backrest frame 3, and a foot rest 13, wherein the seat 2 is arranged on the base 11, the backrest 4 is connected to the front of the backrest frame 3, the top end of the backrest frame is connected to the bottom of the base 11, and the bottom end of the backrest frame is supported on the ground.
The bottom end of the backrest frame 3 is rotatably connected to the rear end of the base 11 and can be turned back and forth, so that the user can lean against the backrest 4 and lean backwards. Be provided with extending structure between base 11 and the back of the chair frame 3, seat support 2 and back of the chair frame 3 are connected respectively to both ends around extending structure to can inject the range of back of the chair 4 and the back of the chair frame 3 front and back upset.
The bottom surface of seat support 2 is the arcwall face to upwards raise gradually to the left and right sides by the centre be equipped with arc spout 21 on the bottom surface of seat support 2, arc spout 21 extends and raises gradually to the left and right sides by the centre, its arc with the bottom surface looks adaptation of seat support 2. The seat support 2 is provided with an adjusting slide rail 5 which is embedded in the arc-shaped slide groove 21 in a sliding manner, the left end and the right end of the adjusting slide rail 5 are abutted against the left end and the right end of the arc-shaped slide groove 21, and the left side and the right side of the adjusting slide rail 5 can be contracted in length. Namely, when the left end and the right end of the adjusting slide rail 5 are propped against the arc-shaped slide groove 21, the chair seat 2 cannot swing left and right; when the contraction lengths of the left side and the right side of the adjusting slide rail 5 are adjusted, a certain gap exists between the left end and the right end of the adjusting slide rail 5 and the two ends of the arc-shaped slide groove 21, so that the seat 2 can swing left and right.
The base 11 is provided with an adjusting rod 8 which extends forwards and backwards and can slide along the axial direction, and a linkage structure for movably connecting the adjusting rod 8 and the adjusting slide rail 5 is arranged between the adjusting rod 8 and the adjusting slide rail; when the back of the chair frame 3 is turned backwards, the telescopic structure can drive the adjusting rod 8 to move forwards and the linkage structure drives the adjusting slide rail 5 to contract in length. Namely the linkage structure can with back of the chair frame 3 upset backward adjust 5 both sides shrinkage length linkages of slide rail, sit on seat support 2 when the user end, the back does not lean on back of the chair 4 and when falling backward, seat support 2 is equivalent to fix on base 11, is unable horizontal hunting, and when the user leaned on back of the chair 4 and when falling backward, seat support 2 just converted swing joint to the state on base 11 for seat support 2 can horizontal hunting.
The office chair is used as a work chair for office work at a desk, and it is required to provide a stable and reliable seat for a user during work, especially, during work at a desk, so that the seat 2 must stably support the buttocks of the user when the user sits up on the seat 2. Of course, a locking structure may be provided on the telescopic structure or at the bottom end of the telescopic backrest frame 3 (the portion rotatably connected to the base 11), so that the user cannot lean back even leaning against the backrest 4, and the seat 2 is fixed on the base 11.
When the user sits for a long time and relaxes to rest or rest on the office chair, the user leans back against the chair back 4 and leans backwards, so that the muscles of the waist and the back can be relaxed. However, in this case, the central portion of the user's buttocks and the rear side portions of the thighs are still supported by the seat 2, and particularly, the buttocks are easily sore, since the muscle groups of the buttocks are compressed for a long time after the user sits for a long time, fatigue damage occurs locally, normal metabolism of acidic substances is affected in the muscles, and lactic acid accumulation causes local pain.
Therefore, when the user leans backwards, the adjusting rod 8 is driven by the telescopic structure to move forwards, and then the linkage structure drives the two sides of the adjusting slide rail 5 to contract for length, so that the seat 2 can swing towards the left and right sides, and the swing is similar to the track of a pendulum. For example, when the user twists the buttocks and swings right, the left side portion of the seat 2 swings to the middle position, so that the left hip side portion and the outer side portion of the left thigh of the user are supported on the seat 2, the middle position of the buttocks and the rear side portion of the thigh can be emptied, the back left side of the user is supported on the backrest 4, that is, the user can assume a posture of lying on half side, and a sufficient relaxation and rest can be obtained. In addition, the top surface of seat support 2 also is the arcwall face to upwards raise gradually to the left and right sides by the centre, not only can paste about the buttockss lateral part when the user sits up, improve parcel nature and travelling comfort, can also about the user buttockss lateral part can press on seat support 2 horizontally when the user horizontal hunting, further improve the travelling comfort of half side posture of lying.
Adjust slide rail 5 and include two about base 11 bilateral symmetry's fixed slide rail 51, flexible slide rail 52, fixed slide rail 51 extends and raises gradually along the left/right side left/right direction of base 11, flexible slide rail 52 cover is established outside fixed slide rail 51 and scalable slip. Because the telescopic slide rail 52 and the fixed slide rail 51 are sleeved, the width of the telescopic slide rail 52 is larger than that of the fixed slide rail 51, and the adjusting slide rail 5 is slidably embedded in the arc-shaped slide groove 21, the width of the telescopic slide rail 52 is matched with the groove width of the arc-shaped slide groove 21, so as to prevent the seat 2 from shaking back and forth. The top edges of the fixed slide rail 51 and the telescopic slide rail 52 are higher than the top surface of the base 11, so that the top surface of the base 11 supports the bottom surface of the seat 2, and supports the seat 2 together with the adjusting slide rail 5. In addition, in the present embodiment, the adjusting slide rails 5 are provided in two sets and are provided at a position in the middle of the base 11.
In order to further improve the stable support of the base 11 to the seat 2, rib-shaped support ribs 111 extending leftwards and rightwards and gradually rising are respectively formed on the left side and the right side of the bottom plate, and the rib-shaped support ribs 111 can be of a solid structure, so that the structural strength of the rib-shaped support ribs can be improved, the rib-shaped support ribs are not easy to bend and deform, and the rib-shaped support ribs have a more stable supporting effect on the seat 2. In this embodiment, in order to prevent the seat 2 from tilting forward and backward, the rib-shaped support ribs 111 are provided on both the left and right sides of the front and rear portions of the bottom plate.
The fixed slide rail 51 and the telescopic slide rail 52 are both hollow structures, the linkage structure comprises an arc-shaped rod 71 and a connecting rod 72, the arc-shaped rod 71 penetrates through the outer end of the fixed slide rail 51 and is arranged inside the fixed slide rail 51 and the telescopic slide rail 52, the outer end of the telescopic slide rail 52 is fixedly connected with the outer end of the arc-shaped rod 71, the inner end and the adjusting rod 8 are movably connected with the two ends of the connecting rod 72 respectively, in addition, a bearing 711 sleeved on the arc-shaped rod 71 is arranged in the fixed slide rail 51 and is positioned at the connecting part with the base 11, a guiding effect can be achieved, and the arc-shaped rod 71 is prevented from deflecting in the sliding process. A sliding groove 112 extending in the front-back direction is formed in the base 11, the adjusting rod 8 is slidably disposed in the sliding groove 112, and an opening 112-1 is formed at the movable connection position of the connecting rod 72 and the adjusting rod 8 in the sliding groove to allow the connecting rod 72 to pass through the sliding groove.
In view of the quick return effect, the arc-shaped rod 71 is sleeved with a first elastic return element 73, two ends of the first elastic return element 73 respectively support the outer end of the telescopic slide rail 52 and the outer end of the telescopic slide rail 52, and the first elastic return element 73 preferably uses a compression spring.
A connecting frame 12 is arranged between the base 11 and the back of the chair frame 3, the front end of the connecting frame 12 is connected to the bottom plate, and the rear end of the connecting frame 12 is rotatably connected with the bottom end of the back of the chair frame 3. The connecting frame 12 extends from the front end to the rear end in a straight line, and bends upwards to the middle rear part until the rear end, so that a certain gap is reserved between the rear end of the chair seat 2 and the bottom end of the chair back 4 in space, and interference collision is avoided when the chair back 4 is overturned forwards and backwards.
The telescopic structure comprises a telescopic cylinder 61 and a telescopic rod 62, wherein the front end of the telescopic cylinder 61 is movably connected to the rear end of the base 11, the rear end of the telescopic rod 62 is movably connected to the back frame 3, and the telescopic rod 62 extends into the telescopic cylinder 61 from the rear end of the telescopic cylinder 61 and can slide back and forth along the telescopic cylinder 61. When the back frame 3 is turned back and forth, the front end of the telescopic tube 61 rotates relative to the rear end of the base 11, and the rear end of the telescopic rod 62 rotates relative to the back frame 3. The middle lower part of the back frame 3 is provided with a branch frame 121 extending towards the back of the back frame 3, the rear end of the telescopic rod 62 is movably connected to the branch frame 121, and the branch frame 121 can allow the telescopic cylinder 61 and the telescopic rod 62 to be arranged longer in space, so that the backward overturning amplitude of the back frame 3 can be increased, the backward inclining amplitude of a user is increased, and the comfort is improved.
The top of the telescopic cylinder 61 is provided with a long groove 611 extending along the length direction of the telescopic cylinder 61, the rear end of the adjusting rod 8 is provided with a lug 81, and the lug 81 extends downwards along the radial direction of the adjusting rod 8 to shorten the vertical distance between the adjusting rod and the telescopic cylinder 61. The lug 81 is provided with a waist-shaped hole extending up and down, the part of the telescopic rod 62 positioned in the telescopic cylinder 61 is provided with a connecting piece 621 penetrating out of the long groove 611, and the top end of the connecting piece 621 is provided with a bolt penetrating through the waist-shaped hole. When the back frame 3 is turned backward, the extension bar 62 moves forward, so that the connection member 621 pushes the connection member 621 forward, and thus the adjustment lever 8 moves forward in the axial direction. Since the telescopic tube 61 and the telescopic rod 62 will rotate to a certain extent during the process, the latch can slide in the kidney-shaped hole of the lug 81 so as not to be jammed.
It should be noted that, because the transmission distance between the linkage structure and the telescopic rod 62 is relatively long, in order to further enhance the rapidity of the resetting, a structure for resetting is also arranged between the telescopic rod 62 and the telescopic cylinder 61. A second elastic reset piece 63 is arranged in the telescopic cylinder 61, two ends of the second elastic reset piece 63 respectively support the front end of the telescopic cylinder 61 and the front end of the telescopic rod 62, and the second elastic reset piece 63 also preferably uses a compression spring.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An adjustable comfortable office chair comprises a base, a chair seat arranged on the base, a chair back and a chair back frame connected with the chair back; the chair is characterized in that the bottom end of the chair back frame is rotatably connected to the rear end of the base and can be turned over back and forth; a telescopic structure movably connecting the base and the chair back frame is arranged between the base and the chair back frame; the bottom surface of the base is provided with an arc-shaped sliding chute, and the arc-shaped sliding chute extends from the middle to the left side and the right side and is gradually raised; the chair seat is provided with an adjusting slide rail which is embedded in the arc-shaped slide groove in a sliding manner, the left end and the right end of the adjusting slide rail are abutted against the left end and the right end of the arc-shaped slide groove, and the left side and the right side of the adjusting slide rail can be contracted in length; the base is provided with an adjusting rod which extends forwards and backwards and can slide along the axial direction, and a linkage structure for movably connecting the adjusting rod and the adjusting slide rail is arranged between the adjusting rod and the adjusting slide rail; when the chair back frame is turned backwards, the telescopic structure can drive the adjusting rod to move forwards and the linkage structure drives the adjusting slide rail to contract in length.
2. The adjustable comfortable office chair according to claim 1, wherein the adjusting slide comprises two fixed slides extending along the left/right sides of the base in the left/right direction and gradually rising, and a telescopic slide sleeved outside the fixed slides and telescopically sliding; the top edges of the fixed slide rail and the telescopic slide rail are higher than the top surface of the base.
3. The adjustable comfortable office chair as claimed in claim 2, wherein the left/right sides of the bottom plate are formed with rib-shaped support ribs extending leftwards/rightwards and gradually rising up, respectively, the rib-shaped support ribs being supported on the bottom surface of the seat.
4. The adjustable, comfortable office chair of claim 2, wherein said linkage comprises an arcuate bar, a link; the arc-shaped rod penetrates through the outer end of the fixed slide rail and is arranged inside the fixed slide rail and the telescopic slide rail, the outer end of the arc-shaped rod is fixedly connected with the outer end of the telescopic slide rail, and the inner end and the adjusting rod are movably connected with the two ends of the connecting rod respectively.
5. An adjustable comfortable office chair as claimed in claim 4, wherein the arc-shaped rod is sleeved with a first elastic reset member, and both ends of the first elastic reset member support the outer end of the telescopic sliding rail and the outer end of the telescopic sliding rail respectively.
6. The adjustable comfortable office chair according to claim 1, wherein a connecting frame is arranged between the base and the back frame, the front end of the connecting frame is connected to the bottom plate, and the rear end of the connecting frame is rotatably connected with the bottom end of the back frame; the connecting frame extends from the front end to the rear end in a straight line, and bends upwards to the rear end after reaching the middle rear part.
7. The adjustable, comfortable office chair of claim 1, wherein said telescoping structure comprises a telescoping tube, telescoping rod; the front end of the telescopic cylinder is movably connected to the rear end of the base, and the rear end of the telescopic rod is movably connected to the chair back frame; the telescopic rod extends into the telescopic cylinder from the rear end of the telescopic cylinder and can slide back and forth along the telescopic cylinder.
8. The adjustable comfortable office chair according to claim 7, wherein the lower-middle part of the back frame has a sub-frame extending to the back of the back frame, and the rear end of the telescopic rod is movably connected to the sub-frame.
9. The adjustable comfort office chair of claim 7 wherein the rear end of the adjustment bar has a lug with a waist-shaped aperture extending up and down; the top of the telescopic cylinder is provided with a long groove extending along the length direction of the telescopic cylinder, the part of the telescopic rod in the telescopic cylinder is provided with a connecting piece penetrating out of the long groove, and the top end of the connecting piece is provided with a bolt penetrating through the waist-shaped hole.
10. An adjustable comfortable office chair as claimed in claim 9, wherein a second elastic return member is provided in said telescopic tube, and the two ends of the second elastic return member support the front end of the telescopic tube and the front end of the telescopic rod respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210218668.8A CN114468644B (en) | 2022-03-08 | 2022-03-08 | Comfortable office chair with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210218668.8A CN114468644B (en) | 2022-03-08 | 2022-03-08 | Comfortable office chair with adjustable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114468644A true CN114468644A (en) | 2022-05-13 |
| CN114468644B CN114468644B (en) | 2023-10-13 |
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ID=81486682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210218668.8A Active CN114468644B (en) | 2022-03-08 | 2022-03-08 | Comfortable office chair with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114468644B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004049740A (en) * | 2002-07-23 | 2004-02-19 | Koyo Giken Kk | Lever operated angle adjustable chair |
| JP2004248980A (en) * | 2003-02-21 | 2004-09-09 | Kokuyo Co Ltd | Chair |
| JP2008074238A (en) * | 2006-09-21 | 2008-04-03 | Mazda Motor Corp | Seat device |
| CN102356960A (en) * | 2011-09-15 | 2012-02-22 | 傅建华 | Backrest-cushion linked chair |
| CN110710815A (en) * | 2019-10-15 | 2020-01-21 | 永艺家具股份有限公司 | Dynamic tray |
-
2022
- 2022-03-08 CN CN202210218668.8A patent/CN114468644B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004049740A (en) * | 2002-07-23 | 2004-02-19 | Koyo Giken Kk | Lever operated angle adjustable chair |
| JP2004248980A (en) * | 2003-02-21 | 2004-09-09 | Kokuyo Co Ltd | Chair |
| JP2008074238A (en) * | 2006-09-21 | 2008-04-03 | Mazda Motor Corp | Seat device |
| CN102356960A (en) * | 2011-09-15 | 2012-02-22 | 傅建华 | Backrest-cushion linked chair |
| CN110710815A (en) * | 2019-10-15 | 2020-01-21 | 永艺家具股份有限公司 | Dynamic tray |
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| Publication number | Publication date |
|---|---|
| CN114468644B (en) | 2023-10-13 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An adjustable and comfortable office chair Granted publication date: 20231013 Pledgee: Agricultural Bank of China Limited by Share Ltd. Anji branch Pledgor: Zhejiang Anji Yongfeng Furniture Co.,Ltd. Registration number: Y2024330000200 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |