CN208491349U - Sit the deep seat quickly adjusted - Google Patents
Sit the deep seat quickly adjusted Download PDFInfo
- Publication number
- CN208491349U CN208491349U CN201820070845.1U CN201820070845U CN208491349U CN 208491349 U CN208491349 U CN 208491349U CN 201820070845 U CN201820070845 U CN 201820070845U CN 208491349 U CN208491349 U CN 208491349U
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- CN
- China
- Prior art keywords
- seat
- base portion
- turning part
- shifting block
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007665 sagging Methods 0.000 claims abstract description 6
- 230000004308 accommodation Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000002414 leg Anatomy 0.000 abstract description 16
- 210000001217 buttock Anatomy 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a kind of deep seats quickly adjusted of seat, comprising: a base assembly；The seat being supported on base assembly；In the upright seat back frame moved between hypsokinesis operating position or back support；The seat includes base portion and the turning part for being connected to base portion front end, is generally on the same face in working condition turning part and base portion and supports human body stern leg jointly, so that base portion is played supporting role to human body stern leg free state turning part is sagging；The turning part that seat is divided into fixed base portion and can freely overturn by the utility model can adjust turning part according to the needs of different building shape or work, rest；User biggish for figure forms a complete seat with base portion when turning part is in substantially horizontal, and support effective enough can be carried out to human buttock, leg；And user lesser for figure or office when, turning part can be overturn, be supported base portion to human body stern leg.
Description
Technical field
The utility model relates to swivel chair, office chair technical field, in particular to a kind of deep seat quickly adjusted of seat.
Background technique
In general, chair include seat board, be connected in the seat board side backboard and be connected in the seat board downside branch
Support leg portion.The chair further includes handrail and head rest, which is connected in seat board or backboard to support the arm of user, which joins
Backboard is connected to support the head of user.
For most of chairs especially office chair, the distance between seat board and backboard be it is uncontrollable, therefore
The different people of the inconvenient bodily form takes one's seat；Specifically be also manifested by, office when majority's buttocks only occupy seat board first half and
Above the waist in leaning forward or upright state；And during the break, body, which moves back, allows waist and back to lean on backboard；Office daily
Time occupies 70% or more of time of taking one's seat, and in order to take into account office and rest, usual user is put between back and backboard
A back cushion is set to alleviate fatigue when office；Infeasible settling mode is to do seat board short, and no matter how figure makes one just
No matter what state be in when seat, waist, back can be made to arrive to backboard, but this can prevent human leg from effectively being propped up
Support, has stronger sense of discomfort, this to feel particularly strong especially when people swings back lunch break.
The chair of depth is sat in existing adjustment backboard and then adjusting in the prior art, for example Kedebuji Co., Ltd. is 2004
Years 9 days 2 months proposed to WIPO application No. is " PCT/JP2004/001324 ", utility model titles are as follows: " back seat can be changed chair
The pct international patent of son ", in the patent, the chair back is inserted into chair back pillar 5 by chair back steady arm 11, and the two is slidably matched, together
When, chair back steady arm 11 is connected with axis 14, and the inclination that two vertical gripper shoes 12 below 14 both ends of axis insertion seat open up is long
In the 12a of hole, the oblique sliding of the chair back is realized；Specifically, when the oblique pull-up of the chair back, seat is driven to lift diagonally forward by Xie Hua mechanism
It rises, seat is raised, and the chair back sits deep increase far from seat；Conversely, the oblique pushing of the chair back, drives seat to reduce, chair by Xie Hua mechanism
Back is reduced close to seat, sits deep reduce；But this chair is more suitable for the Children and teenager in Fast Growth, and adult is come
Say the requirements at the higher level not being able to satisfy to comfort level.
For another example application No. is: 200910046369.5 Chinese utility model patents to disclose a kind of office seating
Improve structure, in the patent, seat board is set on chassis by sliding rail, adjusted by being moved forward and backward seat board seat board and backboard it
Between distance.
STEELCASE INC has applied for a kind of Patent No. " 98810506.3 ", utility model title are as follows: " with adjustable
The Chinese utility model patent of seat, the chair back tilted seat synchronous with energy mechanism of section ", it is a pair of parallel in the patent
Elongated rails 207 are connected under the outside extended forward in U-lag portion 205, for chair base frame 163 to be slidably supported on seat
On bracket 124.C-shaped guide part downwards that elongated Z-shaped bracket 207 is formed under chair base frame 163 that front and back extends or
Track；One bearing part is connected in 207 inside of guide part or track, to provide smooth operation if desired；Two are spaced apart
Fore bearing 208 and two rear bearings 209 spaced apart be connected in seat bracket 124 top on, fore bearing 208 is connected on front 177,
And rear bearing 209 is connected on rear portion 176.The depth adjustment of seat 24 passes through the rearward position=and one in a minimum seat depth
Chair base frame 163 is slided manually on the bearing 208 and 209 on seat bracket 124 between the forward facing position of maximum seat depth
And it provides.Multi-functional control mechanism 192 includes the inner shaft 217 of a support multi-functional control mechanism main component.In these components
One be an inner sleeve 218 being installed in rotation on axis 217.Handle 219 be connected on an outer end of inner sleeve 218 and
One projection 220 is connected on an inner end of inner sleeve 218.Projection 220 is connected in actuator block 215, and the rotation of such handle 219 moves
Dynamic projection 220 simultaneously rotates latch 197 in a manner of disconnecting above and below around latch pivot 194 and 195；As a result latch tooth 213 from
It is discharged in slot system 214, such seat 24 is adjustable to a new required depth.
Above-mentioned two patent is all to realize to sit deep adjusting by sliding seat, and structure is complex, higher cost, and difficult
To accomplish quickly to adjust.
Summary of the invention
The utility model overcomes the deficiency in the presence of the above-mentioned prior art, provide a kind of structure it is more simple, sit
It is deep to adjust more rapid labour-saving seat, to meet the needs of different crowd.
The technical solution of the utility model is achieved in that
A kind of deep seat quickly adjusted of seat, comprising:
One base assembly；
The seat being supported on base assembly；
In the upright seat back frame moved between hypsokinesis operating position or back support；
The seat includes base portion and the turning part for being connected to base portion front end, working condition turning part and base portion substantially
Support human body stern leg jointly on the same face, free state turning part it is sagging only make base portion to human body stern leg play branch
Support effect.
Preferably, turning part is pivotally connected by pivot and base portion.
Preferably, making it keep relatively fixed with base portion by limiting device limit in working condition turning part.
Preferably, turning part is first lifted up under external force puts down completion by working condition to free state again
Conversion.
Preferably, seat back frame or back support are pivotally connected on base assembly by one.
Preferably, the turning part is made of the connection of at least two segment units, in the whole of working condition turning part
Unit or at least one unit and base portion are generally on the same face and support human body stern leg jointly；In free state turning part
At least one unit or whole unit it is sagging so that unturned unit and base portion support jointly or only make base portion to human body
Stern leg plays supporting role.It can be needed in this way with the use of further satisfaction different crowd.
Preferably, also being provided with limiting device between two adjacent segment units.
Preferably, from front to back each unit be first lifted up under external force put down again completion by working condition to
The conversion of free state.
Preferably, the limiting device includes fixed plate and returning face plate, fixed plate is with returning face plate by pivoting
It connects, offers accommodation groove in fixed plate, pawl is equipped in accommodation groove, returning face plate is equipped with the spine used with click-fit
Wheel, ratchet pivot, upper shifting block and lower shifting block are convexly equipped on ratchet outer peripheral edge, is equipped between upper shifting block and lower shifting block
Unidirectional tooth；Upper shifting block, lower shifting block and unidirectional tooth are extend into accommodation groove；Accommodation groove is divided into the card for engaging pawl with ratchet
Position slot keeps out of the way slot two parts with what ratchet disengaged with pawl is made, and is additionally provided in accommodation groove for making pawl keep offseting with ratchet
The elastic slice of situation；Pawl lower part is formed with the step with the cooperation of lower shifting block.
It is using the design starting point, theory and beneficial effect of the utility model of above-mentioned technical proposal:
The turning part that seat is divided into fixed base portion and can freely overturn by the utility model, can be according to not
Turning part is adjusted with the needs of figure or work, rest；User biggish for figure, turning part are in substantially horizontal
A complete seat is formed with base portion when state, support effective enough can be carried out to human buttock, leg, is more convenient user
Carry out layback rest；And user lesser for figure or office when, turning part can be overturn, make base portion to people
Body stern leg is supported, and human body back contact can be made to the available rest of the chair back again at the same time, is effectively adjusted in this way
It sits deep.
It further says, turning part can be connected by multiple units and be formed, and selectively can only be turned over according to their needs
Two or three units for turning one or adjacent, the seat for realizing multi gear position are adjusted deeply, meet the needs of different crowd.
Most of all, being compared to for the oblique slidable adjustment of the chair back and seat board slidable adjustment, the side of the utility model
Formula is more quick, and more laborsaving, and user experience is more preferably.
Detailed description of the invention
Fig. 1 be embodiment in the utility model seat be in maximum lock state i.e. base portion be in turning part it is horizontal
State diagram when state；
Fig. 2 is the stereoscopic-state schematic diagram of limiting device when base portion and turning part are in horizontality；
Fig. 3 is state when the utility model turnover seat portion downwardly turns over one grade and is in the lock state in embodiment
Figure；
Fig. 4 is that the stereoscopic-state of limiting device when turning part downwardly turns over one grade and is in the lock state under Fig. 3 angle shows
It is intended to；
Fig. 5 is state diagram when the utility model seat is in unlocked state i.e. turning part is flipped up；
Fig. 6 is the stereoscopic-state schematic diagram of limiting device when turning part is flipped up under Fig. 5 angle；
Fig. 7 is the status diagram being in the lock state when the utility model turnover seat portion is overturn to bottommost；
Fig. 8 is the stereoscopic-state schematic diagram of Fig. 7 state lower caging device；
Fig. 9 is the status diagram of returning face plate all angles in limiting device.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this
The embodiment and the feature in embodiment of application can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, the present invention
Can also be implemented using other than the one described here other modes, therefore, the protection scope of the utility model not by
The limitation of following public specific embodiment.
Term "at least one" refers to one or more in the description of the present invention, unless otherwise specific limit
It is fixed.Term " first ", " second ", " third " etc. are only used for the purpose of description, are not understood to indicate or imply relatively important
Property.
The terms such as term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " can be with
It is to be fixedly connected, may be a detachable connection, or is integrally connected；" connected " can be directly connected, can also be in
Between medium be indirectly connected.It for the ordinary skill in the art, can as the case may be or the utility model
Specific explanations understand the concrete meaning of above-mentioned term in the present invention.
In the description of the utility model, it is to be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or unit must have specific direction, be constructed and operated in a specific orientation, it is thus impossible to manage
Solution is limitations of the present invention.
In the description of this specification, the description of term " specific embodiment " etc. means that the embodiment or example is combined to describe
Particular features, structures, materials, or characteristics be contained at least one embodiment or example of the utility model.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description,
Structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
Specific embodiment of the present utility model is as follows:
Embodiment: the reference azimuth of each component of the utility model is defined first, the utility model is by seat in normal mounting
In use, the front of seat is front end, front, and it is rear end, rear portion that the rear of seat, which includes position where the chair back, wraping plate,.
A kind of seat of the present embodiment, comprising:
One base assembly 1；The base assembly 1 includes five-star supporting foot 31, is arranged at 31 center of five-star supporting foot
Gas bar 32, the chassis 33 of the top of gas bar 32 is set；
The seat 2 being supported on base assembly 1；Seat 2 is arranged on chassis 33；Certain base assembly 1 is also possible to only
Including supporting leg, seat 2, which directly places, to be fixed on supporting leg.
In the upright back support 3 moved between hypsokinesis operating position；
The seat 2 includes base portion 4 and the turning part 5 for being connected to 4 front end of base portion, in working condition turning part 5 and base
Portion 4 is generally on the same face supports human body stern leg jointly, only makes base portion to human body buttocks and legs free state turning part 5 is sagging
Portion plays supporting role.
First cushion 41 is installed on the base 4；Second cushion 42 is installed in turning part 5；
It is set to keep relatively fixed with base portion 4 by limiting device limit in working condition turning part 5.Specifically, institute
The limiting device stated includes fixed plate 6 and returning face plate 7, and fixed plate 6 is rotatablely connected with returning face plate 7 by pivot 8, in fixed plate 6
Accommodation groove 9 is offered, pawl 10 is equipped in accommodation groove 9, returning face plate 7 is equipped with the ratchet 11 being used cooperatively with pawl 10, spine
The rotation of 11 around the pivots 8 is taken turns, upper shifting block 13 and lower shifting block 14 are convexly equipped on 11 outer peripheral edge of ratchet, in upper shifting block 13 and lower shifting block 14
Between be equipped with unidirectional tooth 12；Upper shifting block 13, lower shifting block 14 and unidirectional tooth 12 are extend into accommodation groove 9；Accommodation groove 9 divides for card
92 two parts of slot and are kept out of the way at slot 91 in position, are additionally provided in accommodation groove 9 for keeping pawl 10 and ratchet 11 offset the bullet of situation
Piece 15；10 lower part of pawl is formed with the step 17 with the cooperation of lower shifting block 14.
Fixed plate 6 is fixedly connected with base portion 4, is remained stationary；Returning face plate 7 is fixedly connected with turning part 5, such as Fig. 3,4
Shown, when returning face plate 7 is rotated up, with pawl 10 relative displacement can occur for unidirectional tooth 12 on ratchet 11, make different unidirectional
Tooth 12 is engaged with pawl 10, when returning face plate 7 is no longer flipped up, at this time due to the principle of gravity and monodirectional locking,
10 upper end of pawl withstands on 91 upper end of detent slot, and by restriction site, pawl 10 cannot move up again, prevent returning face plate 7 to
Lower rotation, so that returning face plate 7 keeps state obliquely；
When returning face plate 7 continues up overturning to horizontal lock state, as shown in Figure 1, 2, returning face plate 7 and turning part 5 are equal
It in horizontality, that is, is on the same horizontal plane, the unidirectional tooth 12 on ratchet 11 and the tooth engagement on pawl 10, pawl 10
It is in detent slot 91, at this point, 10 upper end of pawl still withstands on 91 upper end of detent slot, by restriction site, cannot move up again,
So ratchet 11 also cannot follow returning face plate 7 to rotate still further below, it is in horizontal lock state.
When needing to unlock, as shown in Figure 5,6, returning face plate 7 is flipped up, at this point, pawl 10 is pressed by upper shifting block 13
Keep out of the way in slot 92, keeps out of the way 92 width of slot since 10 overall width of pawl is equal to, along with the effect of elastic slice 15, so that pawl
10 are maintained at and keep out of the way in slot 92, and the unidirectional tooth 12 on the tooth of pawl 10 and ratchet 11 disengages at this time, and returning face plate 7 can carry out downwards
It is empty sliding and unrestricted；
As shown in Figure 7,8, when the step 17 that returning face plate 7 is swung down to lower shifting block 14 and pawl 10 offsets, then slightly
It rotates down, can make lower shifting block 14 by pawl 10 from keeping out of the way in slot 92 in jack-up to detent slot 91, it at this time again can be with ratchet 11
Engagement；When 7 one grade of another shelves of returning face plate are rotated up, it can stop at an arbitrary position and be in the lock state.
Claims (9)
1. a kind of deep seat quickly adjusted of seat, it is characterized in that including:
One base assembly；
The seat being supported on base assembly；
In the upright seat back frame moved between hypsokinesis operating position or back support；
The seat includes base portion and the turning part for being connected to base portion front end, is generally in working condition turning part with base portion
Human body stern leg is supported on the same face jointly, free state turning part it is sagging only make base portion to human body stern leg play support make
With.
2. seat according to claim 1, it is characterised in that: turning part is pivotally connected by pivot and base portion.
3. seat according to claim 1, it is characterised in that: make it by limiting device limit in working condition turning part
Keep relatively fixed with base portion.
4. seat according to claim 1, it is characterised in that: turning part is first lifted up has put down again under external force
At the conversion by working condition to free state.
5. seat according to claim 1, it is characterised in that: seat back frame or back support pass through one and be pivotally connected in bottom
On holder assembly.
6. seat according to claim 1, it is characterised in that: the turning part is by least two segment unit connection groups
At being generally on the same face in whole units of working condition turning part or at least one unit and base portion and support people jointly
Body stern leg；It is sagging at least one unit of free state turning part or whole units, so that unturned unit and base portion
It is common to support or base portion is only made to play supporting role to human body stern leg.
7. seat according to claim 6, it is characterised in that: also be provided with limiting device between two adjacent segment units.
8. seat according to claim 6, it is characterised in that: each unit first lift upwards under external force from front to back
Play the conversion put down complete by working condition to free state again.
9. seat according to claim 3 or 7, it is characterised in that: the limiting device includes fixed plate and returning face plate,
Fixed plate is connect with returning face plate by pivoting, and accommodation groove is offered in fixed plate, and pawl, returning face plate are equipped in accommodation groove
It is equipped with the ratchet used with click-fit, ratchet pivots, upper shifting block and lower shifting block are convexly equipped on ratchet outer peripheral edge,
Unidirectional tooth is equipped between upper shifting block and lower shifting block；Upper shifting block, lower shifting block and unidirectional tooth are extend into accommodation groove；Accommodation groove
It is divided into the detent slot for engaging pawl with ratchet and keeps out of the way slot two parts with what ratchet disengaged with pawl is made, is additionally provided in accommodation groove
For keeping pawl and ratchet offset the elastic slice of situation；Pawl lower part is formed with the step with the cooperation of lower shifting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820070845.1U CN208491349U (en) | 2018-01-16 | 2018-01-16 | Sit the deep seat quickly adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820070845.1U CN208491349U (en) | 2018-01-16 | 2018-01-16 | Sit the deep seat quickly adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208491349U true CN208491349U (en) | 2019-02-15 |
Family
ID=65301220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820070845.1U Active CN208491349U (en) | 2018-01-16 | 2018-01-16 | Sit the deep seat quickly adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208491349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109953532A (en) * | 2018-01-16 | 2019-07-02 | 永艺家具股份有限公司 | A seat with quick adjustment of sitting depth |
-
2018
- 2018-01-16 CN CN201820070845.1U patent/CN208491349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109953532A (en) * | 2018-01-16 | 2019-07-02 | 永艺家具股份有限公司 | A seat with quick adjustment of sitting depth |
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