CN208784073U - A kind of back crankshaft base coordinated type seat - Google Patents
A kind of back crankshaft base coordinated type seat Download PDFInfo
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- CN208784073U CN208784073U CN201721257617.7U CN201721257617U CN208784073U CN 208784073 U CN208784073 U CN 208784073U CN 201721257617 U CN201721257617 U CN 201721257617U CN 208784073 U CN208784073 U CN 208784073U
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
The utility model relates to thing to sit on field of handling official business, a kind of back crankshaft base coordinated type seat, including the pedestal for being connected with gas bar assembly, and the seat and the chair back that are set on the base；The seat includes the seat base station being set on the base, and the chair base frame being arranged on seat base station；It is connected between chair base frame and seat base station by swing arm, chair base frame can be with swing arm motion；The rear end linkage of the chair base frame has Lumbar, is hinged on chairback brace in the middle part of Lumbar, the upper end of Lumbar is connected with seat back frame；When the chair base frame moves, active force is imposed to seat back frame by Lumbar, the stress area of seat back frame generates corresponding displacement.Lumbar and seat in the back crankshaft base coordinated type seat link, when user takes, seat downlink drives seat back frame forwardly convex by Lumbar as intermediary, so as to make the chair back be close to user's waist, it avoids between the waist of occupant and the chair back promoting riding comfort there are gap.
Description
Technical field
The utility model relates to thing to sit on field more particularly to a kind of back crankshaft base coordinated type seats of handling official business.
Background technique
Office chair is the indispensable equipment of modern's office, but computer chair inferior is the number one killer of office, if often
It works more than ten hours before computer, then not going out 1 year, back and cervical vertebra just will appear different degrees of pain.Slowly
Property disease all without specific drug, want through rest a period of time or cured using certain folk prescription, be impossible thing.
Therefore, people pay much attention to the health and comfort of office seating, also occur much having in the prior art
The office seating of this respect performance.Such as the Aeron seat and Embody seat of U.S.'s He Man Miller (Herman Miller).
Aeron audaciously uses suspension structure, can be bonded naturally completely with the body contour of people, reaches the boundary of people's chair unification,
Classic and modern design has been merged simultaneously, and no matter Aeron is placed on office, or at home can be with other furniture well
Collocation.Embody design inspiration is from the spinal anatomy of the mankind, and according to its design concept, Embody can be bonded human body ridge completely
The physiological bending of column can allow you to move freely, and improve blood flow naturally, eliminate the attention that sense of discomfort concentrates people simultaneously.
The narrow chair back can allow your arm to move back and forth, and help to open thoracic cavity, allow the more air of pulmonary absorption, transport is more
Oxygen is to brain.
And making a general survey of existing common seat is made according to ergonomics data volume body, and the last spot size ratio of chair is sitting in
Meet body-support needs, comfort is strong, after taking for a long time rider's body can make different postures change adjust by
In the inadaptable sense that sitting is formed, when body changes and seat there is no changing accordingly, and body cannot have
Effect support, at this moment seat loses effect.As Publication No. " CN206414057U " Chinese patent in a kind of computer chair for recording,
The computer chair is supported waist by setting Lumbar, avoids the disease for causing waist；But the waist on the computer chair is
Be fixed on the chair back, adaptability adjusting can not be made, adjust posture when user's sitting after, when user takes back and
There are gaps for meeting between Lumbar, so that effective support for back can not be formed, need to improve.
Summary of the invention
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of back crankshaft base coordinated type seat, the seats
Lumbar and seat in chair link, and when user takes, seat downlink drives seat back frame to lordosis by Lumbar as intermediary
Out, so as to make the chair back be close to user's waist；It allows occupant to have a kind of feeling by top waist, the chair back is enable to be bonded human body completely
Waist forms effective support, avoids between the waist of occupant and the chair back promoting riding comfort there are gap.
In order to achieve the above purpose, the utility model uses technical solution below:
A kind of back crankshaft base coordinated type seat including the pedestal for being connected with gas bar assembly, and is arranged in pedestal
On seat and the chair back；It is characterized by: the seat includes the seat base station being set on the base, and it is arranged in seat base
Chair base frame on platform；It is connected between chair base frame and seat base station by swing arm, chair base frame can be with swing arm motion；Institute
Stating the chair back includes chairback brace, and the seat back frame being connected on chairback brace；The rear end linkage of the chair base frame has
Lumbar is hinged on chairback brace in the middle part of Lumbar, and the upper end of Lumbar is connected with seat back frame；The chair base frame movement
When, active force is imposed to seat back frame by Lumbar, the stress area of seat back frame generates corresponding displacement.
Preferably, the upper end of the Lumbar is Y-shaped to two sides bifurcated, limit is offered on the inner sidewall of chair base frame
The divergent ends end of slot, Lumbar is slidably connected in limiting slot.In the technical solution, the divergent ends end of Lumbar and limiting slot it
Between cooperation, realize sliding limit cooperation.
Preferably, the lower end of the Lumbar is connected by bone chain with the rear end of the chair base frame, bone chain is
Refer to as multistage cell block connect and successively hingedly made of serobila.In the technical solution, it is contemplated that when user sits down active force compared with
Greatly, active force is larger when being easy to cause Lumbar to eject, and generates damage to user.Therefore bone chain is used, bone chain refers to by multistage list
The series connection of first block and successively hingedly made of serobila, active force can transmit decrease between multistage cell block.
Preferably, being hinged between the lower end and seat base station of the swing arm, and torsional spring is equipped in the hinged place；
The upper end of swing arm is hinged with chair base frame.In the technical solution, torsional spring provides reset force to swing arm, makes swing arm and thereon
Chair base frame being capable of the reset when not taking.
Preferably, the seat base station is hinged with the base；Extend before the front end both ends of seat base station are angular and is equipped with
First cranks arm, and the rear end both ends angle of seat base station extends back cranks arm equipped with second；It is equipped with balance staff on the front end of pedestal,
The end of balance staff is equipped with handle, and the shaft rod upper sleeve of balance staff is equipped with swing set, and swing set includes the axle center part with balance staff socket, Yi Jiyu
The center of oscillation portion that axle center part is connected, the first of seat base station cranks arm to be hinged with the center of oscillation portion of swing set；On the bracket of the chair back
End face is fixed with otic placode of cranking arm, and the otic placode of cranking arm and crank arm of the second of seat base station is hinged.In the technical solution, artificial rotation pendulum
Axis can drive swing set to rotate along its axle center part, and seat base station is driven to swing, and due to being connection type of cranking arm, put in seat base station
Seat base station realizes the adjusting of front and back and height during dynamic, thus the height of chair with adjustable.
Preferably, the chairback brace includes the chair back lower bracket and lower end that front end is hinged with the pedestal
Portion is plugged on the chair back upper bracket on chair back lower bracket rear end；The front end of chair back lower bracket passes through shaft and the base side
Face is connected, and the arc groove using shaft as the center of circle is also provided on base side, and chair back lower bracket is threaded through described equipped with pin shaft
In arc groove.In the technical solution, the entire chair back can be using shaft as axle center, using arc groove as track, in the pendulum that arc groove limits
It is swung in dynamic angle.In use, realizing tilting backwards for the chair back when user back is leaned against on the chair back.Based on These characteristics, by
Cranking arm in the second of seat base station is hinged with the otic placode of cranking arm of the chair back, i.e., seat base station is connected with chair back lower bracket.Institute
State chair back lower bracket front end can oscillation adjustment in a certain range, realize the chair back tilt backwards or return forward.Therefore, when
When angle of back-rest is adjusted, corresponding seat base station angle is also adjusted.
Preferably, the rear end of the chair back lower bracket is equipped with slot, the lower end of chair back upper bracket, which is equipped with, is inserted
Head, chair back upper bracket are plugged on chair back lower bracket rear end；The chair back upper bracket is Y-shaped bracket, and seat back frame is week
To framework is enclosed, the Y shape opening both ends of seat back frame and chair back upper bracket are connected to a fixed.
Preferably, the both sides of seat is equipped with handrail, handrail lower end is fixed on chairback brace；The handrail includes inserting
If being fixed on the armrest seat on chair back lower bracket, and the armrest body being arranged on armrest seat, and it is arranged above armrest body
Pallet component；The armrest seat upper end is sleeved rod portion, is equipped with linear groove in sleeved rod portion, and set gradually simultaneously along linear groove
The multiple dentation card slots communicated therewith；The armrest body includes armrest sheath, and the fastener inside armrest sheath is arranged in；Buckle
Part includes buckle bar, and is fixed on the latch of buckle bar lower end, and is fixed on the button of buckle bar upper end；It is described to help
Hand is set on the outside of the sleeved rod portion of armrest seat, and the interior sidewall surface for buckling bar upper end and armrest sheath is hinged, and buckle bar is in
In the linear groove of sleeved rod portion, latch is used to be clamped sealed realization to dentation card slot and lock, and button is in the outside of armrest sheath.It is above-mentioned
Technical solution, operation button can make to buckle bar along the swing of end thereon, can unlock the interlocking relationship between latch and dentation card slot,
Convenient for the bearing height of adjustable handrail.
Preferably, the head rest includes the headrest frame on head rest bracket and head rest bracket；The headrest frame
Rear end is hinged on the upper end of head rest bracket, headrest frame be it is circumferential enclose framework, fixed in headrest frame screen cloth to
Form head rest supporting surface, the shape of head rest supporting surface constitutes according to headrest frame, head rest supporting surface in fitting neck and its
The arcwall face at upper end hindbrain position.
Preferably, the lower end of the head rest bracket is equipped with sliding slot, chair back upper bracket is equipped with slide assemblies, connection
On the sliding slot of the head rest bracket, slide assemblies can move adjusting along the chute enables head rest up and down adjustment, and slides
Component can be detached from sliding slot end；Dimension linear is placed with several protrusions, phase along the chute on head rest bracket in the sliding slot
Card slot is formed between adjacent two protrusions；The slide assemblies include the matrix being arranged in sliding slot, and are fixed on matrix outer end face
Jacking block, and the fixture block being fixed in matrix；Bayonet is formed between the jacking block and matrix, the hack lever of chair back upper bracket passes through
Bayonet is connected and fixed with the slide assemblies；The fixture block inner face matches and is clamped with sliding slot inner card cage.Above-mentioned technical side
In case, head rest bracket carries out slidable adjustment with respect to chair back upper bracket by slide assemblies, realizes headrest height adjustment, can more realize
Head rest disassembly.Fixture block and card slot in slide assemblies realize the positioning of head rest position.
By adopting the above technical scheme, which is related to a kind of back crankshaft base coordinated type seat, the seat to the utility model
The seat of chair includes the seat base station being set on the base, and the chair base frame being arranged on seat base station；Chair base frame with
It is connected between seat base station by swing arm, chair base frame can be with swing arm motion；The rear end linkage of the chair base frame has
Lumbar is hinged on the chair back in the middle part of Lumbar, and the upper end of Lumbar is connected with seat back frame.Lumbar and seat in the seat
Linkage, when user takes, seat downlink and Lumbar are by toward drop-down and Lumbar is along its middle part hinged end activity, and Lumbar upper end is made
Make its anterior displacement a distance for seat back frame.Specifically, seat back frame top is connect with chairback brace, can be revolved around axis
Turn, seat back frame meeting some distances of anterior displacement under mechanism urges allow occupant to have a kind of feeling by top waist, enable the chair back
Enough human body waists of fitting completely form effective support, avoid being promoted to take there are gap between the waist of occupant and the chair back relaxing
Appropriateness.The seat is by acquiring human body limb scope of activities data and studying, by coordinated type crankshaft designs by seat portions
Coordinated type is formed with back, the activity of seat implements corresponding activity to the chair back, and can all seat be implemented with by either sitting and inclining
Imitate supporting role.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the side structure schematic diagram of the utility model.
Fig. 3 is the connection schematic diagram of pedestal and chair back lower bracket.
Fig. 4 is the structural schematic diagram of handrail.
Fig. 5 is the scheme of installation of slide assemblies.
Fig. 6 is the structural schematic diagram of bone chain.
Specific embodiment
With reference to the accompanying drawing, the preferred embodiment of the utility model is described in further detail.
A kind of back crankshaft base coordinated type seat as shown in Fig. 1 ~ 5, including the pedestal 1 for being connected with gas bar assembly,
And seat 4 and the chair back 2 on pedestal 1, and the head rest 3 being arranged on chair back upper end are set.
The chair back includes chairback brace, and the seat back frame 21 being connected on chairback brace.The chairback brace packet
It includes front end and chair back lower bracket 22 that the pedestal 1 is hinged and lower end is plugged on 22 rear end of chair back lower bracket
Chair back upper bracket 23.The front end of chair back lower bracket 22 is connected by shaft 24 with 1 side of pedestal, 1 side of pedestal
On be also provided with arc groove 41 with shaft 24 for the center of circle, chair back lower bracket 22 is equipped with pin shaft and is threaded through in the arc groove 41.
By above-mentioned connection structure, it is track with arc groove 41 that the entire chair back, which can be axle center with shaft 24, in the pendulum that arc groove 41 limits
It is swung in dynamic angle.In use, realizing tilting backwards for the chair back when user back is leaned against on the chair back.The chair back lower bracket
22 rear end is equipped with slot, and the lower end of chair back upper bracket 23 is equipped with plug, and chair back upper bracket 23 is plugged under the chair back
On 22 rear end of bracket.The chair back upper bracket 23 is Y-shaped bracket, and seat back frame 21 is circumferential enclosing framework, seat back frame
21 are connected to a fixed with the Y shape of chair back upper bracket 23 opening both ends, and seat back frame 21 be in front of chair back upper bracket 23, can be
Screen cloth is fixed on seat back frame 21 to form back-supported face.
The both sides of seat is equipped with handrail 5, and 5 lower end of handrail is fixed on chairback brace, is specifically fixed on chairback brace
Chair back lower bracket 22 on.Since handrail 5 is fixed on chairback brace, handrail 5 can link with the chairback brace,
When chairback brace tilts backwards, handrail 5, which also synchronizes, to be tilted backwards.The handrail 5 includes plugging to be fixed on chair back lower bracket 22
Armrest seat 51, and the armrest body 52 being arranged on armrest seat 51, and the pallet component 53 of 52 top of armrest body is set.
51 upper end of armrest seat is sleeved rod portion 511, is equipped with linear groove 512 in sleeved rod portion 511, and successively set along linear groove 512
The multiple dentation card slots 513 set and communicated therewith.The armrest body 52 includes armrest sheath 521, and is arranged in armrest sheath 521
The fastener in portion.Fastener includes buckle bar 522, and is fixed on the latch 523 of buckle 522 lower end of bar, and be fixed on
Buckle the button 524 of 522 upper end of bar.511 outside of sleeved rod portion of armrest seat 51 is arranged in the armrest sheath 521, buckles bar 522
Upper end and the interior sidewall surface of armrest sheath 521 are hinged, and buckle bar 522 is in the linear groove 512 of sleeved rod portion 511, latch 523
It is locked for being clamped sealed realization to dentation card slot 513, button 524 is in the outside of armrest sheath 521.In use, operation button
524 can make to buckle bar 522 along the swing of end thereon, can unlock the interlocking relationship between latch 523 and dentation card slot 513, be convenient for
The bearing height of adjustable handrail 5.
The head rest includes the headrest frame 32 on head rest bracket 31 and head rest bracket 31.The head rest bracket 31
Lower end is equipped with sliding slot 311, and chair back upper bracket 23 is equipped with slide assemblies 33, is connected to the sliding slot of the head rest bracket 31
On 311, slide assemblies 33 311 mobile adjust can enable head rest up and down adjustment along the chute, and slide assemblies 33 can be
311 end of sliding slot is detached from, and realizes the disassembly of head rest.311 dimension linears are arranged along the chute on head rest bracket 31 in the sliding slot 311
Several raised 312 are furnished with, forms card slot 313 between adjacent two protrusion.The slide assemblies 33 include being arranged in sliding slot 311
Matrix 331, and it is fixed on the jacking block 332 of 331 outer end face of matrix, and the fixture block 333 being fixed in matrix 331.The top
Bayonet 334 is formed between block 332 and matrix 331, the hack lever of chair back upper bracket 23 passes through bayonet 334 and the slide assemblies 33 connect
Connect fixation.333 inner face of fixture block matches and is clamped with 311 inner card cage 313 of sliding slot, when slide assemblies 33 are mobile, card
The running fix between different card slots 313 of block 333, it is smooth in order to make to cooperate between fixture block 333 and card slot 313, preferentially by fixture block
333, which are set as triangle or this kind of bevel edge such as arc-shaped with card slot 313, has the shape of guide function.The headrest frame 32
Rear end is hinged on the upper end of head rest bracket 31, and headrest frame 32 is circumferential enclosing framework, fixes net in headrest frame 32
Cloth is constituted to form head rest supporting surface, the shape of head rest supporting surface according to headrest frame 32, and head rest supporting surface is in fitting human body
Neck and the arcwall face of the upper end back brain position.
The seat includes the seat base station 41 being arranged on pedestal 1, and the seat frame being arranged on seat base station 41
Frame 42.Angle is respectively held to be hinged with pedestal 1 in the lower end of seat base station 41.Specifically, the front end both ends of seat base station 41 are angular
Preceding extend is equipped with first and cranks arm 43, and the rear end both ends angle of seat base station 41, which extends back, cranks arm 44 equipped with second.Before pedestal 1
Balance staff 45 is equipped on end, the end of balance staff 45 is equipped with handle 451, and the shaft rod upper sleeve of balance staff 45 is equipped with swing set 452, swing set
452 include the axle center part 453 being socketed with balance staff 45, and the center of oscillation portion 454 being connected with axle center part 453, seat base station 41
First cranks arm 43 is hinged with the center of oscillation portion 454 of swing set 452.It is fixed with and cranks arm on the pedestal upper end face of the chair back lower bracket 22
Otic placode 26, the second of seat base station 41 cranks arm 44 to be hinged with the otic placode 26 of cranking arm of chair back lower bracket 22.In use, artificial rotation
Balance staff 45 can drive swing set 452 to rotate along its axle center part 453, and seat base station 41 is driven to swing, due to being connection type of cranking arm,
Adjusting in 41 swing process of seat base station before and after the realization of seat base station 41 with height.Also, due to the of seat base station 41
Two to crank arm 44 be hinged with the otic placode 26 of cranking arm of chair back lower bracket 22, i.e., seat base station 41 is connected with chair back lower bracket 22.
22 front end of chair back lower bracket described previously can oscillation adjustment in a certain range, realize tilting backwards or returning forward for the chair back
Position.Therefore, when angle of back-rest is adjusted, corresponding 41 angle of seat base station is also adjusted.
The lower end of the chair base frame 42 is hinged on seat base station 41.Particularly using soft above chair base frame 42
Property support surface layer constitute seat face, be connected between chair base frame 42 and seat base station 41 by swing arm 46, the lower end of swing arm 46
It is hinged between portion and seat base station 41, and is equipped with torsional spring in the hinged place for making the articulated position that there is restoring force, pendulum
The upper end of arm 46 is hinged with chair base frame 42.When user rides on the seat, chair base frame 42 is with 46 turns of swing arm
Dynamic, seat position is backward and height is pressed downward.The rear end linkage of the chair base frame 42 has Lumbar 6, the middle part hinge of Lumbar 6
Connect on chairback brace, the lower end of Lumbar 6 is connected by bone chain 61 with the rear end of the chair base frame 42, Lumbar it is upper
End is connected with seat back frame.Specifically, the upper end of Lumbar 6 is Y-shaped to two sides bifurcated, the inner sidewall of chair base frame 42
On offer limiting slot 421, the divergent ends end of Lumbar 6 is slidably connected in limiting slot 421.Pass through pin shaft and limiting slot 421
Between cooperation, realize sliding limit cooperation.When the chair base frame moves, active force is imposed to seat back frame by Lumbar,
The stress area of seat back frame generates corresponding displacement.Corresponding displacement described herein refers to the displacement of active force direction,
And the displacement refers to the deflection that seat back frame generates centered on the upper end and the connecting pin of chair back upper bracket.Using the program,
It is rided on the seat in user, when chair base frame 42 pushes, seat downlink and Lumbar are by toward drop-down and Lumbar is cut with scissors along its middle part
End activity is connect, and Lumbar upper end acts on seat back frame and realizes effect outstanding forward.
When user takes, chair base frame is depressed, and torsional spring in bracket is shunk, chair base frame oliquely downward move one
Section moves, while active force is transferred on seat back frame by the bone chain that is linked with chair base frame, Lumbar, makes seat back frame forward
It is displaced a distance.Since seat back frame upper end and rear back braces are bolted, can be pivoted, seat back frame to
Preceding some distances of displacement, can make occupant have a kind of feeling by top waist, so that the chair back is bonded human body waist completely and be formed with
Effect support, avoids between the waist of occupant and the chair back that there are gaps.When occupant gets up, effect of the chair base frame in torsional spring
Under can give people one screen resilience, while mechanism effect under drive seat back frame reset.Further, it is contemplated that when user sits down
Active force is larger, and active force is larger when Lumbar 6 being easy to cause to eject, and generates damage to user.Therefore as shown in fig. 6, interconnecting piece
Part use bone chain, bone chain 61 refer to as multistage cell block 61a connect and successively hingedly made of serobila, active force can be in multistage list
It transmits and weakens between first block.
Claims (10)
1. a kind of back crankshaft base coordinated type seat, including the pedestal for being connected with gas bar assembly, and is set on the base
Seat and the chair back；It is characterized by: the seat includes the seat base station being set on the base, and it is arranged in seat base station
On chair base frame；It is connected between chair base frame and seat base station by swing arm, chair base frame can be with swing arm motion；It is described
The chair back includes chairback brace, and the seat back frame being connected on chairback brace；The rear end linkage of the chair base frame has waist
It leans on, is hinged on chairback brace in the middle part of Lumbar, the upper end of Lumbar is connected with seat back frame；The chair base frame movement
When, active force is imposed to seat back frame by Lumbar, the stress area of seat back frame generates corresponding displacement.
2. a kind of back crankshaft base coordinated type seat according to claim 1, it is characterised in that: the upper end of the Lumbar is in
Y shape offers limiting slot on the inner sidewall of chair base frame, the divergent ends end of Lumbar is slidably connected at limiting slot to two sides bifurcated
It is interior.
3. a kind of back crankshaft base coordinated type seat according to claim 2, it is characterised in that: the lower end of the Lumbar is logical
Bone chain is crossed to be connected with the rear end of the chair base frame, bone chain refer to as multistage cell block connect and successively hingedly made of chain
Body.
4. a kind of back crankshaft base coordinated type seat according to claim 1, it is characterised in that: the lower end of the swing arm with
It is hinged between seat base station, and is equipped with torsional spring in the hinged place；The upper end of swing arm is hinged with chair base frame.
5. a kind of back crankshaft base coordinated type seat according to claim 3, it is characterised in that: the seat base station and pedestal
It is hinged；Extend before the front end both ends of seat base station are angular and crank arm equipped with first, after the rear end both ends of seat base station are angular
Extend and cranks arm equipped with second；Balance staff is equipped on the front end of pedestal, the end of balance staff is equipped with handle, the shaft rod upper sleeve of balance staff
Equipped with swing set, swing set includes the axle center part with balance staff socket, and the center of oscillation portion being connected with axle center part, and the first of seat base station
It cranks arm and is hinged with the center of oscillation portion of swing set；The pedestal upper end face of the chair back is fixed with otic placode of cranking arm, and the second of seat base station is bent
Arm is hinged with otic placode of cranking arm.
6. a kind of back crankshaft base coordinated type seat according to claim 1 or 5, it is characterised in that: the chairback brace packet
It includes front end and chair back lower bracket that the pedestal is hinged and lower end is plugged on the chair back on chair back lower bracket rear end
Upper bracket；The front end of chair back lower bracket is connected by shaft with the base side, is also provided on base side to turn
Axis is the arc groove in the center of circle, and chair back lower bracket is equipped with pin shaft and is threaded through in the arc groove.
7. a kind of back crankshaft base coordinated type seat according to claim 6, it is characterised in that: after the chair back lower bracket
End is equipped with slot, and the lower end of chair back upper bracket is equipped with plug, and chair back upper bracket is plugged on chair back lower bracket rear end
On；The chair back upper bracket is Y-shaped bracket, and seat back frame is circumferential enclosing framework, the Y shape of seat back frame and chair back upper bracket
Opening both ends are connected to a fixed.
8. a kind of back crankshaft base coordinated type seat according to claim 6, it is characterised in that: the both sides of seat is equipped with and helps
Hand, handrail lower end are fixed on chairback brace；The handrail includes plugging the armrest seat being fixed on chair back lower bracket, Yi Jishe
The armrest body on armrest seat is set, and the pallet component above armrest body is set；The armrest seat upper end is sleeved rod portion,
Linear groove, and the multiple dentation card slots for setting gradually and communicating therewith along linear groove are equipped in sleeved rod portion；The armrest body packet
Armrest sheath is included, and the fastener inside armrest sheath is set；Fastener includes buckle bar, and is fixed on buckle bar lower end
Latch, and be fixed on buckle bar upper end button；The handrail is set on the outside of the sleeved rod portion of armrest seat, buckles bar
The interior sidewall surface of upper end and armrest sheath is hinged, and buckle bar is in the linear groove of sleeved rod portion, and latch is used for dentation card slot
It is clamped sealed realization locking, button is in the outside of armrest sheath.
9. a kind of back crankshaft base coordinated type seat according to claim 6, it is characterised in that: the chair back upper end is equipped with
Head rest, head rest include the headrest frame on head rest bracket and head rest bracket；The rear end of the headrest frame is hinged on head rest
On the upper end of bracket, headrest frame is circumferential enclosing framework, fixes screen cloth to form head rest supporting surface, head in headrest frame
Shape by supporting surface is constituted according to headrest frame, and head rest supporting surface is in fitting neck and the arc of the upper end back brain position
Face.
10. a kind of back crankshaft base coordinated type seat according to claim 9, it is characterised in that: under the head rest bracket
End is equipped with sliding slot, and chair back upper bracket is equipped with slide assemblies, is connected on the sliding slot of the head rest bracket, slide assemblies energy
Enough mobile adjust along the chute enable head rest up and down adjustment, and slide assemblies can be detached from sliding slot end；In the sliding slot
Head rest bracket on along the chute dimension linear be placed with several protrusions, form card slot between adjacent two protrusion；The slide assemblies
Including the matrix being arranged in sliding slot, and it is fixed on the jacking block of matrix outer end face, and the fixture block being fixed in matrix；It is described
Bayonet is formed between jacking block and matrix, the hack lever of chair back upper bracket passes through bayonet and is connected and fixed with the slide assemblies；The card
Block inner face matches and is clamped with sliding slot inner card cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721257617.7U CN208784073U (en) | 2017-09-28 | 2017-09-28 | A kind of back crankshaft base coordinated type seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721257617.7U CN208784073U (en) | 2017-09-28 | 2017-09-28 | A kind of back crankshaft base coordinated type seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208784073U true CN208784073U (en) | 2019-04-26 |
Family
ID=66197929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721257617.7U Active CN208784073U (en) | 2017-09-28 | 2017-09-28 | A kind of back crankshaft base coordinated type seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208784073U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107581811A (en) * | 2017-09-28 | 2018-01-16 | 大康控股集团有限公司 | One kind back of the body crankshaft base coordinated type seat |
| CN113208337A (en) * | 2021-04-23 | 2021-08-06 | 北京优进家具有限公司 | Connecting base of swivel chair |
| CN116076885A (en) * | 2022-12-30 | 2023-05-09 | 安吉博誉智能家具科技有限公司 | Multifunctional back support and seat |
-
2017
- 2017-09-28 CN CN201721257617.7U patent/CN208784073U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107581811A (en) * | 2017-09-28 | 2018-01-16 | 大康控股集团有限公司 | One kind back of the body crankshaft base coordinated type seat |
| CN113208337A (en) * | 2021-04-23 | 2021-08-06 | 北京优进家具有限公司 | Connecting base of swivel chair |
| CN116076885A (en) * | 2022-12-30 | 2023-05-09 | 安吉博誉智能家具科技有限公司 | Multifunctional back support and seat |
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