CN210540073U - Zero-gravity office chair - Google Patents
Zero-gravity office chair Download PDFInfo
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- CN210540073U CN210540073U CN201920872069.1U CN201920872069U CN210540073U CN 210540073 U CN210540073 U CN 210540073U CN 201920872069 U CN201920872069 U CN 201920872069U CN 210540073 U CN210540073 U CN 210540073U
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- backrest
- seat
- foot rest
- chair
- chair seat
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- 230000005484 gravity Effects 0.000 abstract description 11
- 230000037237 body shape Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a zero gravity office chair, which comprises a chair seat, a foot rest, a backrest, a buckle component, a connecting block and a reset tension spring; the middle part of the chair seat is pivoted on the foot rest, and the chair seat is movably clamped with the foot rest through a clamping component; the lower part of the backrest is pivoted on the foot rest and is movably matched with the rear end of the chair seat; the middle part of the connecting block is pivoted on the foot rest, one end of the connecting block is in linkage fit with the chair seat, and the other end of the connecting block is in linkage fit with the backrest; two ends of the reset tension spring are respectively connected to the seat and the foot rest and are used for linking the seat pivoted on the foot rest to rotate and reset; the utility model discloses a seat is when the angle of adjusting the back, after the card that removes buckle subassembly acts on admittedly, with the help of user's self gravity or the pulling force of extension spring that resets, can be according to the self required angle of adjusting between back and the seat support to be fit for the body shape that user of service relaxs, have convenient operation, laborsaving advantage.
Description
Technical Field
The utility model relates to a technical field of seat especially relates to a zero gravity office chair.
Background
Zero gravity office chair can build the weightlessness of outer space and feel, lets the user of service in a state of relaxing completely for the pressure of health obtains releasing, and effectual tired of alleviating, for ordinary seat, zero gravity office chair is equipped with people's favor.
When lying on a chair, the angle between the backrest and the seat of the chair must be adapted to the relaxed shape, so that the backrest of the chair is usually rotatably fitted on the seat, and the angle between the backrest and the seat can be adjusted by the user according to the needs of the user.
After the existing backrest is rotationally matched on the seat, the angle between the backrest and the seat is usually adjusted through the tension spring and the buckle assembly, when a user adjusts the angle of the backrest, the clamping effect of the buckle assembly is firstly released, and then the backrest is forcibly pushed to rotate under the condition of overcoming the tension of the tension spring so as to adjust the angle of the backrest; after the angle adjustment of the backrest is completed, the clamping and fixing effect of the buckle assembly is recovered, so that a user can lie on the seat.
When the angle of the backrest of the existing seat is adjusted, the whole tension of the tension spring needs to be overcome, the clamping effect of the buckle assembly needs to be relieved, and meanwhile, the backrest needs to be pushed to rotate.
In view of this, the present inventors have made extensive conceptions for various defects and inconveniences caused by the incomplete improvement of the structural design of the seat, and have actively studied, improved and tried to develop and design the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a zero gravity office chair that back angle modulation convenient operation, laborsaving.
In order to achieve the above purpose, the solution of the present invention is:
a zero-gravity office chair comprises a chair seat, foot rests, a backrest, a buckle assembly, a connecting block and a reset tension spring; the middle part of the chair seat is pivoted on the foot rest, and the chair seat is movably clamped with the foot rest through a clamping component; the lower part of the backrest is pivoted on the foot rest and is movably matched with the rear end of the chair seat; the middle part of the connecting block is pivoted on the foot rest, one end of the connecting block is in linkage fit with the chair seat, and the other end of the connecting block is in linkage fit with the backrest; two ends of the reset tension spring are respectively connected to the seat and the foot rest and used for linking the seat pivoted on the foot rest to rotate and reset.
The chair seat comprises a chair seat frame, the middle part of the chair seat frame is provided with a connecting rod, a first linkage rod and a second linkage rod which are respectively positioned at the two sides of the connecting rod; the chair seat frame is pivoted on the foot rest through a connecting rod, is connected with the reset tension spring through a first linkage rod, and is in linkage fit with the connecting block through a second linkage rod.
The backrest comprises a backrest frame, and the lower part of the backrest frame is provided with an arc-shaped section, a connecting plate and a third linkage rod, wherein the arc-shaped section, the connecting plate and the third linkage rod extend into the seat shell; the connecting plate and the third linkage rod are arranged on the arc-shaped section; the backrest frame is pivoted on the foot rest through a connecting plate and is in linkage fit with the connecting block through a third linkage rod.
The connecting block is S-shaped, arc-shaped holes are respectively formed in two ends of the connecting block, and the second linkage rod is movably matched in the arc-shaped hole close to the chair seat; the third linkage rod is movably matched in the arc-shaped hole close to the backrest.
The buckle assembly comprises a clamping block, a movable clamping jaw, a torsion spring and an adjusting pressure rod, wherein the clamping block is circumferentially provided with a plurality of clamping grooves; the clamping block is fixedly arranged on the connecting rod; the middle part of the movable clamping jaw is rotationally matched on the foot rest through a torsion spring, and one end of the movable clamping jaw is movably clamped with the clamping groove on the clamping block; the adjusting pressure rod is movably arranged on the foot rest and is in linkage fit with the other end of the movable clamping jaw through the inclined guide surface.
The chair seat is characterized by further comprising a chair seat shell with a movable groove, the chair seat frame is installed in the chair seat shell, and the foot rest penetrates through the movable groove and extends into the chair seat shell to be pivoted with the chair seat frame.
The backrest also comprises a backrest shell, and the backrest shell is detachably arranged on the backrest frame.
The backrest also comprises a backrest cushion, and the backrest cushion is matched on the backrest shell.
The seat further comprises armrests which are mounted on the backrest frame.
After the scheme is adopted, the utility model discloses a be equipped with buckle subassembly, the connecting block to and the extension spring that resets, when adjusting the angle of back, after the solid effect of card that removes buckle subassembly, with the help of the gravity of user of self or the pulling force of extension spring that resets, make the seat support rotate on the foot rest, the seat support passes through the connecting block interlock back and rotates on the foot rest, can remove the angle of adjusting between back and the seat support according to self needs at the pivoted in-process, thereby be fit for the body shape that the user relaxes, and has convenient operation, laborsaving advantage.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the present invention before a backrest is laid down;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural view of the backrest of the preferred embodiment of the present invention after it is laid down.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 3, a preferred embodiment of a zero-gravity office chair of the present invention includes a chair seat 1, a foot rest 2, a backrest 3, a buckle assembly 4, a connecting block 5, and a return tension spring 6; the middle part of the chair seat 1 is pivoted on the foot rest 2, and the chair seat 1 is movably clamped with the foot rest 2 through a buckle component 4; the lower part of the backrest 3 is pivoted on the foot rest 2 and is movably matched with the rear end of the chair seat 1; the middle part of the connecting block 5 is pivoted on the foot rest 2, one end of the connecting block 5 is in linkage fit with the chair seat 1, and the other end is in linkage fit with the backrest 3; two ends of the reset tension spring 6 are respectively connected to the chair seat 1 and the foot rest 2 and are used for linking the chair seat 1 pivoted on the foot rest 2 to rotate and reset.
When a user needs to lie on the seat, the clamping between the seat 1 and the foot rest 2 is firstly released through the clamping component 4, and then the user moves the gravity center to the direction of the backrest 3; along with the movement of the gravity center of a user, one end of the seat 1 close to the backrest 3 is pressed, the seat 1 can rotate anticlockwise around the foot rest 2 under the action of overcoming the tension of the reset tension spring 6 and drives the connecting block 5 to rotate clockwise on the foot rest 2, and the connecting block 5 drives the backrest 3 to rotate anticlockwise on the foot rest 2, so that the angle between the backrest 3 and the seat 1 is adjusted to be suitable for the relaxed body shape of the user; after the angle adjustment between the backrest 3 and the seat 1 is completed, the clamping between the seat 1 and the foot stool 2 is restored through the buckle assembly 4, so that the seat 1 and the backrest 3 are positioned on the foot stool 2 for the user to normally lie and lean.
When a user lies and leans back and needs to restore the chair, the clamping between the chair seat 1 and the foot stool 2 is released through the clamping component 4, and then the user moves the gravity center to the front end of the chair seat 1; along with the removal of user's focus, seat support 1 loses the pressurized near one end of back 3, seat support 1 is under the pulling force effect of extension spring 6 that resets, can rotate clockwise round foot rest 2, and drive connecting block 5 anticlockwise rotation on foot rest 2, connecting block 5 drives back 3 clockwise rotation on foot rest 2, paste until back 3 and lean on the rear end at seat support 1 and the reconversion, rethread buckle subassembly 4 resumes the joint between seat support 1 and the foot rest 2, with seat support 1 and 3 location of back supply the user of service to normally take on foot rest 2.
The utility model discloses a seat is when adjusting the angle of back 3, after the card that removes buckle subassembly 4 acts on admittedly, with the help of the gravity of user of self or the pulling force of extension spring 6 that resets, can be according to the self required angle of adjusting between back 3 and the seat support 1 to be fit for the body shape that the user relaxes, have convenient operation, laborsaving advantage.
As an optional embodiment, the seat 1 includes a seat frame 11, a connecting rod 111 is disposed in the middle of the seat frame 11, and a first linking rod 112 and a second linking rod 113 are respectively disposed on two sides of the connecting rod 111; the chair seat frame 11 is pivoted on the foot rest 2 through a connecting rod 111, is connected with the reset tension spring 6 through a first linkage rod 112, and is in linkage fit with the connecting block 5 through a second linkage rod 113.
As an alternative embodiment, the backrest 3 includes a backrest frame 31, and the lower portion of the backrest frame 31 is provided with an arc-shaped section 311 extending into the seat shell 12, a connecting plate 312, and a third linkage 313; the connecting plate 312 and the third linking rod 313 are both arranged on the arc-shaped section 311; the backrest frame 31 is pivotally connected to the foot frame 2 through a connecting plate 312, and is in linkage fit with the connecting block 5 through a third linkage rod 313.
As an optional implementation manner, the connecting block 5 is S-shaped, the two ends of the connecting block 5 are respectively provided with an arc-shaped hole 51, and the second linking rod 113 is movably matched in the arc-shaped hole 51 close to the seat 1; the third linking rod 313 is movably fitted in the arc hole 51 near the backrest 3.
As an alternative embodiment, the above-mentioned buckle assembly 4 includes a buckle block 41 having a plurality of clamping slots 411 on the circumference, a movable claw 42, a torsion spring 43, and an adjusting pressure lever 44 having an inclined guide surface 441; the clamping block 41 is fixedly arranged on the connecting rod 111; the middle part of the movable clamping jaw 42 is rotationally matched on the foot rest 2 through a torsion spring 43, and one end of the movable clamping jaw 42 is movably clamped with the clamping groove 411 on the clamping block 41; the adjusting pressure lever 44 is movably mounted on the foot rest 2 and is in linkage fit with the other end of the movable claw 42 through an inclined guide surface 441.
When the clamping device is used, the adjusting pressure rod 44 is pushed towards the movable clamping jaw 42, the inclined guide surface 441 on the adjusting pressure rod 44 gradually presses down one end, matched with the inclined guide surface 441, of the movable clamping jaw 42 along with the movement of the adjusting pressure rod 44, so that the movable clamping jaw 42 rotates anticlockwise by overcoming the torsion of the torsion spring 43, one end, movably clamped with the clamping groove 411, of the movable clamping jaw 42 is separated from the clamping groove 411, and the clamping matching of the movable clamping jaw 42 and the clamping block 41 is relieved; on the contrary, by pulling out the adjusting pressure rod 44 in the opposite direction of the movable clamping jaw 42, the inclined guide surface 441 on the adjusting pressure rod 44 gradually moves to give way to the end of the movable clamping jaw 42 matched with the inclined guide surface 441 along with the movement of the adjusting pressure rod 44, so that the movable clamping jaw 42 can rotate clockwise under the action of the torsion spring 43, the end of the movable clamping jaw 42 movably clamped with the clamping groove 411 is shifted into the clamping groove 411 of the clamping block 41, and the clamping matching of the movable clamping jaw 42 and the clamping block 41 is restored.
As an alternative embodiment, the seat 1 further includes a seat shell 12 having a movable slot 121, the seat frame 11 is installed in the seat shell 12, and the foot stool 2 extends into the seat shell 12 through the movable slot 121 and is pivotally connected to the seat frame 11. The utility model discloses a be equipped with frame casing to install seat frame 11 in seat support casing 12, have the guard action to seat frame 11.
As an alternative embodiment, the backrest 3 further includes a backrest shell 32, and the backrest shell 32 is detachably mounted on the backrest frame 31. During the use, back casing 32 is that the direct support user of using has decisive influence to the comfort level when user lies on the seat, the utility model discloses an install back casing 32 detachable on back frame 31, make things convenient for the research and development personnel to design alone back casing 32 and improve.
As an alternative embodiment, the backrest 3 further includes a backrest cushion 33, and the backrest cushion 33 is fitted to the backrest shell 32. The utility model is provided with the backrest cushion 33, and the backrest cushion 33 is used for adjusting the contact point between the body of the user and the seat to obtain a more comfortable angle to reduce the fatigue.
As an alternative embodiment, the seat further comprises an armrest 7, and the armrest 7 is mounted on the backrest frame 31. When the chair is used, a user can lean the hand against the handrail 7, so that the hand of the user can rest and relax.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (9)
1. A zero-gravity office chair is characterized in that: the chair comprises a chair seat, a foot rest, a backrest, a buckle assembly, a connecting block and a reset tension spring; the middle part of the chair seat is pivoted on the foot rest, and the chair seat is movably clamped with the foot rest through a clamping component; the lower part of the backrest is pivoted on the foot rest and is movably matched with the rear end of the chair seat; the middle part of the connecting block is pivoted on the foot rest, one end of the connecting block is in linkage fit with the chair seat, and the other end of the connecting block is in linkage fit with the backrest; two ends of the reset tension spring are respectively connected to the seat and the foot rest and used for linking the seat pivoted on the foot rest to rotate and reset.
2. A zero-gravity office chair as claimed in claim 1, wherein: the chair seat comprises a chair seat frame, the middle part of the chair seat frame is provided with a connecting rod, a first linkage rod and a second linkage rod which are respectively positioned at the two sides of the connecting rod; the chair seat frame is pivoted on the foot rest through a connecting rod, is connected with the reset tension spring through a first linkage rod, and is in linkage fit with the connecting block through a second linkage rod.
3. A zero-gravity office chair as claimed in claim 2, wherein: the backrest comprises a backrest frame, and the lower part of the backrest frame is provided with an arc-shaped section, a connecting plate and a third linkage rod, wherein the arc-shaped section, the connecting plate and the third linkage rod extend into the seat shell; the connecting plate and the third linkage rod are arranged on the arc-shaped section; the backrest frame is pivoted on the foot rest through a connecting plate and is in linkage fit with the connecting block through a third linkage rod.
4. A zero-gravity office chair as claimed in claim 3, wherein: the connecting block is S-shaped, arc-shaped holes are respectively formed in two ends of the connecting block, and the second linkage rod is movably matched in the arc-shaped hole close to the chair seat; the third linkage rod is movably matched in the arc-shaped hole close to the backrest.
5. A zero-gravity office chair as claimed in claim 2, wherein: the buckle assembly comprises a clamping block, a movable clamping jaw, a torsion spring and an adjusting pressure rod, wherein the clamping block is circumferentially provided with a plurality of clamping grooves; the clamping block is fixedly arranged on the connecting rod; the middle part of the movable clamping jaw is rotationally matched on the foot rest through a torsion spring, and one end of the movable clamping jaw is movably clamped with the clamping groove on the clamping block; the adjusting pressure rod is movably arranged on the foot rest and is in linkage fit with the other end of the movable clamping jaw through the inclined guide surface.
6. A zero-gravity office chair as claimed in claim 2, wherein: the chair seat is characterized by further comprising a chair seat shell with a movable groove, the chair seat frame is installed in the chair seat shell, and the foot rest penetrates through the movable groove and extends into the chair seat shell to be pivoted with the chair seat frame.
7. A zero-gravity office chair as claimed in claim 3, wherein: the backrest also comprises a backrest shell, and the backrest shell is detachably arranged on the backrest frame.
8. A zero-gravity office chair as claimed in claim 7, wherein: the backrest also comprises a backrest cushion, and the backrest cushion is matched on the backrest shell.
9. A zero-gravity office chair as claimed in claim 3, wherein: the seat further comprises armrests which are mounted on the backrest frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872069.1U CN210540073U (en) | 2019-06-11 | 2019-06-11 | Zero-gravity office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872069.1U CN210540073U (en) | 2019-06-11 | 2019-06-11 | Zero-gravity office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210540073U true CN210540073U (en) | 2020-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920872069.1U Active CN210540073U (en) | 2019-06-11 | 2019-06-11 | Zero-gravity office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210540073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288701A (en) * | 2021-06-16 | 2021-08-24 | 龙源 | Department of stomatology is with oral cavity check out test set |
-
2019
- 2019-06-11 CN CN201920872069.1U patent/CN210540073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288701A (en) * | 2021-06-16 | 2021-08-24 | 龙源 | Department of stomatology is with oral cavity check out test set |
| CN113288701B (en) * | 2021-06-16 | 2023-12-08 | 祐樘(南京)软件科技有限公司 | Oral cavity examination equipment for department of stomatology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A zero gravity office seat Effective date of registration: 20231220 Granted publication date: 20200519 Pledgee: Bank of China Limited Xiamen hi tech Park sub branch Pledgor: XIAMEN JOYA TECHNOLOGY Co.,Ltd. Registration number: Y2023980072589 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |