CN209573964U - A kind of swivel chair and its seat system that inclination of the seat backrest can automatically adjust - Google Patents
A kind of swivel chair and its seat system that inclination of the seat backrest can automatically adjust Download PDFInfo
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- CN209573964U CN209573964U CN201821215290.1U CN201821215290U CN209573964U CN 209573964 U CN209573964 U CN 209573964U CN 201821215290 U CN201821215290 U CN 201821215290U CN 209573964 U CN209573964 U CN 209573964U
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- seat
- inclination
- backrest
- swivel chair
- automatically adjust
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Abstract
The utility model discloses the swivel chairs that a kind of inclination of the seat backrest can automatically adjust, including seat, backrest is provided on rear side of the seat, the backrest bottom end is provided with fixed frame, the fixed frame bottom end is articulated and connected by hinge and seat rear end, the backrest support mechanism for capableing of self-adjustable inclination is provided on the seat, the backrest support mechanism includes the horizontal extension bar being symmetrical set on rear side of seat, the seat is hollow structure, horizontal extension bar outer end is articulated and connected by connecting rod in the middle part of rear side, extension sleeve is provided on the seat side wall, the horizontal extension rod set is in extension sleeve, the utility model provides a kind of swivel chair that inclination of the seat backrest can automatically adjust, structure setting is ingenious and connection and reasonable arrangement, the automatic adjustment of the utility model realization inclination of the seat backrest, in addition fixed link is rotated in swivel chair Seat can be supported in the process while not influence seat rotation, further increase seat stability.
Description
Technical field
The utility model relates to seat apparatus technical field, swivel chair that specifically a kind of inclination of the seat backrest can automatically adjust and
Its seat system.
Background technique
Seat is that a kind of have the also armed thing to sit on of backrest, some.Ancient times sit on the ground, and original does not have chair, in seat
" chair " is originally the wooden name, and " Book of Songs " has " its chair of its paulownia ", and " chair " i.e. " Chinese catalpa " is a kind of title of trees.It is recorded according to books, chair
Title is first appeared in the Tang Dynasty, and the image of chair will then pass up to the Hu bed in incoming north when Chinese Wei.285 cave mural painting of Dunhuang just has two
The image that people point is sitting on chair；There is the women for sitting square stool and cross leg bench in 257 cave mural paintings；Have in the stone carving of gantry lotus flower hole
Sit circle stool women.These images have vivo reproduced Northern and Southern Dynasties' period chair, service condition of the stool in official noble family.Although
Thing to sit at that time has been equipped with the shape of chair, stool, but because at that time without the appellation of chair, stool, people are also accustomed to being referred to as " recklessly
Bed ", in temple, is usually used in sitting in meditation, therefore also known as bed for meditation.After the Tang Dynasty, chair use gradually increase, the title of chair also by
It is widely used, is just separated from the category of bed.Therefore, the origin of chair, stool is referred to, it is necessary to which Hu bed when from Chinese Wei is talked.
With social development, there is swivel chair, swivel chair is one of computer chair, office chair major class, and swivel chair is a kind of
The rotary chair in the part being seated.Swivel chair can be divided into half swivel chair and full swivel chair two types.
However traditional revolving chair structure is stiff, has a single function, especially inclination of the seat backrest cannot automatically adjust, and use is not square
Just.
Summary of the invention
The purpose of this utility model is to provide swivel chair and its seat system that a kind of inclination of the seat backrest can automatically adjust, with
Solve the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of swivel chair that inclination of the seat backrest can automatically adjust, including seat, the seat rear side is provided with backrest, described to lean on
Back end end is provided with fixed frame, and the fixed frame bottom end is articulated and connected by hinge and seat rear end, sets on the seat
It is equipped with the backrest support mechanism for capableing of self-adjustable inclination.
As a further solution of the present invention: the backrest support mechanism includes being symmetrical set on rear side of seat
Horizontal extension bar, the seat are hollow structure, and horizontal extension bar outer end is hingedly connected by connecting rod in the middle part of rear side
It connects, extension sleeve is provided on the seat side wall, the horizontal extension rod set is in extension sleeve, setting in the seat
There is the flexible power mechanism of driving horizontal extension bar stretching motion.
The flexible power mechanism includes cross lead screw axis, the seat as a further solution of the present invention,
Cabin, fixing bearing of the cross lead screw axis front end sleeve mounted in corresponding position setting on rear side of cabin are provided on interior front side wall
On, cross lead screw shaft rear end is sleeved on rear side of seat in the fixing bearing of corresponding position setting, is provided with transverse direction in the cabin
Screw axis driving mechanism is set with movable stand on the cross lead screw axis, is fixedly installed screw rod sliding block in the middle part of the movable stand,
For the screw rod slide block set on cross lead screw axis, two horizontal extension bar front ends are separately fixed at movable stand upper and lower ends.
The cross lead screw axis driving mechanism includes lateral bevel gear, institute as a further solution of the present invention,
It states lateral bevel gear and is sleeved on cross lead screw shaft end portion in cabin, vertical bevel gear and the vertical cone of driving are provided in the cabin
The driving motor of gear rotation, the transverse direction bevel gear and vertical bevel gear engaged transmission.
It as a further solution of the present invention, further include pedestal, the seat bottom middle position is provided with perpendicular
To shaft, the vertical rotating shaft bottom end cap is mounted on the spring bearing of medium position setting, the backrest top is set on the upside of pedestal
It is equipped with bolster.
The flexible power mechanism replaces with cylinder as a further solution of the present invention,.
Center symmetric setting has fixed link on the downside of the seat as a further solution of the present invention, described solid
Fixed pole bottom end is provided with idler wheel, and annular race is provided on the pedestal, and the roller housing is mounted in annular race.
The annular race is dovetail groove as a further solution of the present invention,.
Compared with prior art, the utility model has the beneficial effects that
The utility model provides a kind of swivel chair that inclination of the seat backrest can automatically adjust, and structure setting is ingenious and connection and reasonable arrangement,
When work, driving motor drives vertical bevel gear rotation, and vertical bevel gear and lateral bevel gear engaged transmission drive laterally cone tooth
Wheel rotation, and then driving cross lead screw axis rotation, cross lead screw axis and screw rod sliding block engaged transmission and then drive movable stand or so
Mobile, movable stand pushes horizontal extension bar to stretch in extension sleeve, and horizontal extension bar drives backrest to rotate by connecting rod, realizes
The automatic adjustment of inclination of the seat backrest, in addition fixed link can be supported seat in swivel chair rotation process while not influence seat
Rotation, further increases seat stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the swivel chair that inclination of the seat backrest can automatically adjust.
The structural schematic diagram of telescoping mechanism in the swivel chair that Fig. 2 can automatically adjust for inclination of the seat backrest.
Structural schematic diagram in the swivel chair that Fig. 3 can automatically adjust for inclination of the seat backrest in cabin.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of swivel chair that inclination of the seat backrest can automatically adjust, including chair
Seat 4 is provided with backrest 8 on rear side of the seat 4, and 8 bottom end of backrest is provided with fixed frame 10, and 10 bottom end of fixed frame passes through
Hinge 11 and 4 rear end of seat are articulated and connected, and are provided with the back rest supports machine for capableing of self-adjustable inclination on the seat 4
Structure.
The backrest support mechanism includes the horizontal extension bar 12 being symmetrical set on rear side of seat 4, during the seat 4 is
Hollow structure, 12 outer end of horizontal extension bar are articulated and connected by connecting rod 9 and 8 rear side middle part of backrest, are set on 4 side wall of seat
It is equipped with extension sleeve 15, the horizontal extension bar 12 is sleeved in extension sleeve 15, is provided with driving level in the seat 4 and is stretched
The flexible power mechanism of 12 stretching motion of contracting bar.
The flexible power mechanism includes cross lead screw axis 19, is provided with cabin 18 on front side wall in the seat 4, described
19 front end sleeve of cross lead screw axis is in the fixing bearing 16 of 18 rear side corresponding position of cabin setting, 19 rear end cap of cross lead screw axis
In the fixing bearing 16 of 4 rear side corresponding position of seat setting, cross lead screw axis driving mechanism is provided in the cabin 18,
It is set with movable stand 20 on the cross lead screw axis 19, screw rod sliding block 17, the silk are fixedly installed in the middle part of the movable stand 20
Bar sliding block 17 is sleeved on cross lead screw axis 19, and two horizontal extension bars, 12 front end is separately fixed at 20 upper and lower ends of movable stand.
The cross lead screw axis driving mechanism includes lateral bevel gear 21, and the transverse direction bevel gear 21 is sleeved in cabin 18
19 end of cross lead screw axis, the driving electricity that vertical bevel gear 22 is provided in the cabin 18 and vertical bevel gear 22 is driven to rotate
Machine 23, the transverse direction bevel gear 21 and vertical 22 engaged transmission of bevel gear.
It further include pedestal 1, the 1 bottom middle position of seat is provided with vertical shaft 13, vertical 13 bottom end of shaft
It is sleeved on the spring bearing 14 of 1 upside medium position of pedestal setting, is provided with bolster 7 at the top of the backrest 8.
The flexible power mechanism replaces with cylinder.
Embodiment 2: unique distinguishing feature between the present embodiment and embodiment 1: the 4 downside central symmetry of seat
It is provided with fixed link 3,3 bottom end of fixed link is provided with idler wheel 2, annular race 1-1, the rolling are provided on the pedestal 1
Wheel 2 is sleeved in annular race 1-1.
The annular race 1-1 is dovetail groove.
The working principle of the utility model is: the utility model provides a kind of swivel chair that inclination of the seat backrest can automatically adjust,
Structure setting is ingenious and connection and reasonable arrangement, and when work, driving motor drives vertical bevel gear rotation, vertical bevel gear and laterally cone tooth
Wheel engaged transmission drives lateral bevel gear rotation, and then drives the rotation of cross lead screw axis, and cross lead screw axis is engaged with screw rod sliding block
It is driven and then movable stand is driven to move left and right, movable stand pushes horizontal extension bar to stretch in extension sleeve, and horizontal extension bar is logical
It crosses connecting rod and drives backrest rotation, realize the automatic adjustment of inclination of the seat backrest, in addition fixed link can be to chair in swivel chair rotation process
Seat is supported while not influencing seat rotation, further increases seat stability.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. the swivel chair that a kind of inclination of the seat backrest can automatically adjust, including seat, the seat rear side is provided with backrest, and feature exists
In the backrest bottom end is provided with fixed frame, and the fixed frame bottom end is articulated and connected by hinge and seat rear end, described
The backrest support mechanism for capableing of self-adjustable inclination is provided on seat.
2. the swivel chair that inclination of the seat backrest according to claim 1 can automatically adjust, which is characterized in that the back rest supports machine
Structure includes the horizontal extension bar being symmetrical set on rear side of seat, and the seat is hollow structure, horizontal extension bar outer end
It is articulated and connected by connecting rod in the middle part of rear side, is provided with extension sleeve, the horizontal extension rod set on the seat side wall
In extension sleeve, the flexible power mechanism of driving horizontal extension bar stretching motion is provided in the seat.
3. the swivel chair that inclination of the seat backrest according to claim 2 can automatically adjust, which is characterized in that the flexible engine
Structure includes cross lead screw axis, cabin is provided in the seat on front side wall, after the cross lead screw axis front end sleeve is mounted in cabin
In the fixing bearing of side corresponding position setting, cross lead screw shaft rear end is sleeved on the fixing bearing of corresponding position setting on rear side of seat
On, it is provided with cross lead screw axis driving mechanism in the cabin, movable stand, the movable stand are set on the cross lead screw axis
Middle part is fixedly installed screw rod sliding block, and for the screw rod slide block set on cross lead screw axis, two horizontal extension bar front ends are solid respectively
It is scheduled on movable stand upper and lower ends.
4. the swivel chair that inclination of the seat backrest according to claim 3 can automatically adjust, which is characterized in that the cross lead screw axis
Driving mechanism includes lateral bevel gear, and the transverse direction bevel gear is sleeved on cross lead screw shaft end portion in cabin, is set in the cabin
It is equipped with vertical bevel gear and drives the driving motor of vertical bevel gear rotation, the transverse direction bevel gear engages biography with vertical bevel gear
It is dynamic.
5. the swivel chair that inclination of the seat backrest according to claim 1 can automatically adjust, which is characterized in that it further include pedestal, institute
It states seat bottom middle position and is provided with vertical shaft, the vertical rotating shaft bottom end cap is mounted in medium position setting on the upside of pedestal
On spring bearing, bolster is provided at the top of the backrest.
6. the swivel chair that inclination of the seat backrest according to claim 5 can automatically adjust, which is characterized in that on the downside of the seat
The heart is symmetrically arranged with fixed link, and the fixed link bottom end is provided with idler wheel, and annular race, the idler wheel are provided on the pedestal
It is sleeved in annular race.
7. the swivel chair that inclination of the seat backrest according to claim 6 can automatically adjust, which is characterized in that it is described annular race be
Dovetail groove.
8. the swivel chair that inclination of the seat backrest according to claim 2 can automatically adjust, which is characterized in that the flexible engine
Structure replaces with cylinder.
9. a kind of seat system for the swivel chair that can be automatically adjusted including any inclination of the seat backrest of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215290.1U CN209573964U (en) | 2018-07-30 | 2018-07-30 | A kind of swivel chair and its seat system that inclination of the seat backrest can automatically adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215290.1U CN209573964U (en) | 2018-07-30 | 2018-07-30 | A kind of swivel chair and its seat system that inclination of the seat backrest can automatically adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209573964U true CN209573964U (en) | 2019-11-05 |
Family
ID=68372435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821215290.1U Expired - Fee Related CN209573964U (en) | 2018-07-30 | 2018-07-30 | A kind of swivel chair and its seat system that inclination of the seat backrest can automatically adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209573964U (en) |
-
2018
- 2018-07-30 CN CN201821215290.1U patent/CN209573964U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20210730 |