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CN105361499B - A kind of seat and its device for regulating chair angle - Google Patents

A kind of seat and its device for regulating chair angle Download PDF

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Publication number
CN105361499B
CN105361499B CN201510874898.XA CN201510874898A CN105361499B CN 105361499 B CN105361499 B CN 105361499B CN 201510874898 A CN201510874898 A CN 201510874898A CN 105361499 B CN105361499 B CN 105361499B
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CN
China
Prior art keywords
hollow shaft
joining beam
core members
chair angle
handle
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.)
Active
Application number
CN201510874898.XA
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Chinese (zh)
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CN105361499A (en
Inventor
李双强
罗贤虎
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Hubei Aviation Precision Machinery Technology Co Ltd
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Hubei Aviation Precision Machinery Technology Co Ltd
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Priority to CN201510874898.XA priority Critical patent/CN105361499B/en
Publication of CN105361499A publication Critical patent/CN105361499A/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A47C1/025Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of a rack-and-pinion or like gearing mechanism

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The invention discloses a kind of device for regulating chair angle, including handle, connecting plate, core members hollow shaft and joining beam;The handle is connected by resetting apparatus with the connecting plate, and the joining beam sequentially passes through the connecting plate with the core members hollow shaft and welded with the handle;The core members hollow shaft rotates under the drive of the joining beam, is additionally provided between the joining beam and the core members hollow shaft with the preset clearance to dally for the joining beam relative to the core members hollow shaft.The invention also discloses a kind of seat for including above-mentioned device for regulating chair angle.Above-mentioned device for regulating chair angle, can joining beam both sides recliner in core members hollow shaft angle there are difference in the case of respectively locking.

Description

A kind of seat and its device for regulating chair angle
Technical field
The present invention relates to field of mechanical technique, more particularly to a kind of device for regulating chair angle.The invention further relates to one kind Seat with the device for regulating chair angle.
Background technology
For at present, with the continuous improvement of living standards of the people, market adjusts for various types of chair angles and fills The appearance and security requirement put are higher and higher.
Figure of description 1 and Figure of description 2 are refer to, Figure of description 1 adjusts dress for chair angle in the prior art The structure diagram for the adjusting mechanism put.Figure of description 2 is the structural representation that adjusting mechanism is connected with handle in the prior art Figure.
It is convex that the adjusting mechanism of device for regulating chair angle includes hollow shaft 10, sliding block 20, ratchet 30, coulisse 40, locking Take turns 50 grade components.It is well known that by the rotation of hollow shaft 10, the rotation of locking cam 50 is driven, and in the work of coulisse 40 Under so that the outside tooth of sliding block 20 is engaged or unclamped with the inner tines of ratchet 30, locking or unlock so as to fulfill ratchet 30.
Using above-mentioned set-up mode, due to the presence of part foozle, the footpath of sliding block 20, ratchet 30 and locking cam 50 It can change (between either different components or the same part difference position of engagement) to size, this can cause complete locking When 50 angle fluctuation of locking cam, the adjusting mechanism of such a structure, 10 angle fluctuation of hollow shaft is inevitable.If hollow shaft 10 with Fixed between joining beam using interference fit, joining beam with handle;So, handle angle can also fluctuate.
By Figure of description 2 as can be seen that the both ends of rotating bar 70 are both provided with adjusting mechanism;Handle 60 and rotating bar Certain interval is set between 70, and we term it differential handle.It can ensure to latch to a certain extent using this setup When 60 angle agreement of handle, but because rotating bar 70 is fitted close with hollow shaft 10, rotating bar 70 is synchronous to drive both sides tune Angle device hollow shaft 10 rotates, therefore when a recliner not complete locking, can cause another recliner also can not locking.
In addition, ensure that 60 angle of handle can keep one in specific location using positioning welding frock when welding handle 60 Cause, but since parts depreciation, 60 angle of back handle of long-time service can still change;If the outside circle circularity of ratchet 30 Bad, even if using tack welding, after ratchet is with respect to coulisse angle change, handle angle can still change.
The content of the invention
The object of the present invention is to provide a kind of device for regulating chair angle, the device for regulating chair angle soluble one A problem is to realize that the handle angle position that latches is fixed;Other problem solved is that double in use, a recliner is unlocked Only to the influence of another recliner Locking property.Include above-mentioned chair angle it is a further object of the present invention to provide one kind to adjust The seat of device.
To achieve the above object, the present invention provides a kind of device for regulating chair angle, including handle, connecting plate, core members Hollow shaft and joining beam;The handle is connected by resetting apparatus with the connecting plate, and the joining beam sequentially passes through the connecting plate Welded with the core members hollow shaft and with the handle;The core members hollow shaft rotates under the drive of the joining beam, institute State and be additionally provided between joining beam and the core members hollow shaft with so that the joining beam dallies relative to the core members hollow shaft Preset clearance.
Preferably, the section of the joining beam is circle, and the circular periphery is provided with radial protrusion;The core Part hollow shaft has to accommodate the through hole of the joining beam, and the through hole is provided with to accommodate the groove of the radial protrusion, The circumferential size of the groove is more than the circumferential size of the radial protrusion.
Preferably, the circular periphery is provided with least two radial protrusions, and at least two radial protrusions It is evenly distributed on the circular periphery.
Preferably, the rectangular cross-section of the joining beam, the core members hollow shaft have to accommodate the logical of the joining beam Hole.
Preferably, the connecting plate is additionally provided with to limit the limited post of the handle drop-off positions.
Preferably, the resetting apparatus is specially tension spring, torsional spring or magnetic means.
The present invention also provides seat, including sit basin, backrest and device for regulating chair angle;The chair angle adjusts dress It is set to the device for regulating chair angle described in any of the above-described.
Relative to above-mentioned background technology, device for regulating chair angle provided by the invention, core members hollow shaft can join Rotated under the drive of bar, so as to fulfill the unlock of device for regulating chair angle;Therewith similarly, due to core members hollow shaft Active rotation can realize the rotation of locking cam and joining beam, to realize the locking of device for regulating chair angle.Except this it Outside, it is additionally provided with preset clearance between joining beam and core members hollow shaft.The preset clearance makes joining beam energy within the scope of certain angle It is freely rotated, release lever is connected firmly with joining beam, and tension spring ensures that recliner locking back handle is contacted with limited post all the time, and limited post is solid It is scheduled on second line of a couplet fishplate bar, ensures that the handle position that latches is fixed.It is in addition, double only in use, tune positioned at joining beam side in recliner If angle device fails complete locking for some reason, and due to also existing between the core members hollow shaft and joining beam of joining beam opposite side Certain interval, therefore the angle of hollow shaft is unaffected so that the recliner of joining beam opposite side can complete locking, it is so just real The recliner for having showed joining beam both sides distinguishes locking in the case where core members hollow shaft angle is there are difference.
In addition, present invention also offers a kind of seat with above-mentioned device for regulating chair angle, which can join The recliner of bar both sides distinguishes locking in the case where core members hollow shaft angle is there are difference.
Brief description of the drawings
Fig. 1 is the structure diagram of the adjusting mechanism of device for regulating chair angle in the prior art;
Fig. 2 is the structure diagram that adjusting mechanism is connected with handle in the prior art;
The structure diagram for the device for regulating chair angle that Fig. 3 is provided by the embodiment of the present invention;
Fig. 4 is the explosive view of Fig. 3;
Fig. 5 is the partial enlarged view of handle and joining beam link position in Fig. 3;
A kind of signal for embodiment that Fig. 6 is connected by the core members hollow shaft that the embodiment of the present invention provides with joining beam Figure;
The signal for the another embodiment that Fig. 7 is connected by the core members hollow shaft that the embodiment of the present invention provides with joining beam Figure.
Wherein:
In Figure of description 1:10- hollow shafts, 20- sliding blocks, 30- ratchets, 40- coulisses, 50- locking cams;
In Figure of description 2:Handle 60, rotating bar 70, core bushing 80;
In Figure of description 3- Figure of description 5:Handle 1, connecting plate 2, limited post 3, core members hollow shaft 4, joining beam 5, Resetting apparatus 6;
In Figure of description 6- Figure of description 7:Core members hollow shaft 4, joining beam 5.
Embodiment
The core of the present invention is to provide a kind of device for regulating chair angle, and the device for regulating chair angle is when a recliner Not during complete locking, another recliner also being capable of locking;Another core of the present invention, which is to provide one kind, includes above-mentioned seat angle Spend the seat of regulating device.
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and it is embodied The present invention is described in further detail for mode.
Please refer to Fig.3 to the structure diagram of Fig. 7, Fig. 3 device for regulating chair angle provided by the embodiment of the present invention; Fig. 4 is the explosive view of Fig. 3;Fig. 5 is the partial enlarged view of handle and joining beam link position in Fig. 3;Fig. 6 is institute of the embodiment of the present invention A kind of schematic diagram for embodiment that the core members hollow shaft of offer is connected with joining beam;Fig. 7 is provided by the embodiment of the present invention The schematic diagram for the another embodiment that core members hollow shaft is connected with joining beam.
Device for regulating chair angle provided by the invention, including handle 1, connecting plate 2, core members hollow shaft 4 and joining beam 5; And handle 1 is connected by resetting apparatus 6 with connecting plate 2;As shown in Figure of description 3 and Figure of description 4.
The both side ends of joining beam 5 are welded and fixed with handle 1 respectively, and so, joining beam 5 can be realized synchronous with handle 1 Rotation;Since one end of resetting apparatus 6 is connected with connecting plate 2, the other end of resetting apparatus 6 is connected with handle 1;Therefore handle is worked as After 1 rotation, under the action of resetting apparatus 6 so that handle 1 can recover to home position.
The both ends of joining beam 5 sequentially pass through connecting plate 2 and core members hollow shaft 4 respectively;Due to core members hollow shaft 4 and locking Cam connects, and core members hollow shaft 4 can rotate under the drive of joining beam 5;Therefore make in the rotation of joining beam 5 or handle 1 Under, core members hollow shaft 4 and locking cam rotation are enabled to, is sent out so as to fulfill the slide position on the outside of locking cam and its Changing, and finally realize the function of locking or unlock.
Since core members hollow shaft 4 can rotate under the drive of joining beam 5, and herein, core members hollow shaft 4 and connection Preset clearance is additionally provided between bar 5, so that joining beam 5 can carry out a degree of sky relative to core members hollow shaft 4 Turn.
If that is, when failing complete locking for some reason positioned at the recliner of 5 side of joining beam, and due to joining beam Also there are certain interval, therefore the angle of joining beam 5 is unaffected between the core members hollow shaft 4 and joining beam 5 of 5 sides so that connection The recliner of 5 opposite side of bar can complete locking, so just realize the recliner of 5 both sides of joining beam in core members hollow shaft angle Locking is distinguished in the case of there are difference.
Furthermore, it is necessary to explanation, although joining beam in industry typically refers to the axis of connection both sides;But come for this paper Say, when using single recliner, hollow shaft 4 can match somebody with somebody with rotation axis (a driving hollow shaft 4 rotates, very short axis) gap Close, be equally reached the effect of handle position fixation.
Herein, recliner includes core members hollow shaft 4, sliding block and other associated components, and recliner can be realized Corresponding locking or unlocking function;To those skilled in the art, the shape design of recliner should be apparent , the concrete shape construction of recliner refers to the prior art.
For the specific set-up mode between core members hollow shaft 4 and joining beam 5, specific two embodiments are described below.
Embodiment one:
The section of joining beam 5 is provided in round, and circular periphery is provided with radial protrusion;That is, joining beam 5 is big Body is cylindrical, and sets radial protrusion in 5 periphery of joining beam, as shown in Figure of description 6.
In order to realize that joining beam 5 coordinates with core members hollow shaft 4, core members hollow shaft 4 sets through hole, which can accommodate Joining beam 5;In addition, through hole is provided with to accommodate the groove of radial protrusion, and the circumferential size of groove is more than the radial direction of joining beam 5 Raised circumferential size.
By Figure of description 6 as can be seen that not coordinating in place between joining beam 5 and core members hollow shaft 4;Joining beam 5 Radial protrusion opposite in the groove of core members hollow shaft 4 can slide;That is, joining beam 5 can relative to core members hollow shaft 4 into The a degree of idle running of row;But after joining beam 5 turns an angle, joining beam 5 rotates together with core members hollow shaft 4, from And realize locking or the unlock of recliner;So, joining beam 5 and core members hollow shaft 4 can realize that both together rotate While, additionally it is possible to ensure that joining beam 5 and core members hollow shaft 4 have certain idle angular, ought be located at joining beam 5 so as to fulfill above-mentioned If the recliner of side fails complete locking for some reason, the recliner of 5 opposite side of joining beam equally being capable of locking completely Function.
In order to optimize the above embodiment, circular periphery can be provided with least two radial protrusions, and at least Two radial protrusions are evenly distributed on circular periphery.
It should be evident that it can more reliably realize above-mentioned purpose using at least two radial protrusions so that seat angle The use for spending regulating device is reliable;Certainly, the shape of radial protrusion can be decided according to the actual requirements, and will not be described in great detail herein.
It can be decided according to the actual requirements it should be noted that joining beam 5 is same with the idle angular of core members hollow shaft 4, Concrete numerical value is not provided herein.
Embodiment two:
The section of joining beam 5 is arranged to rectangle;As shown in Figure of description 6.In addition, core members hollow shaft 4 have to Accommodate the through hole of joining beam 5;In the same plane, the maximum radius of turn of rectangle is less than the maximum radius of turn of through hole, and square The minimum radius of turn of shape is more than the minimum radius of turn of through hole.
That is, in order to realize that joining beam 5 can drive that core members hollow shaft 4 rotates and/or core members hollow shaft 4 drives 5 rotating purpose of joining beam;In addition, certain idle running angle can be formed by alsoing for realizing between joining beam 5 and core members hollow shaft 4 Degree;The section of joining beam 5 is arranged to rectangle herein, and the through hole of core members hollow shaft 4 with rectangle there is certain geometry to close System;Specifically as shown in Figure of description 7.
Using above-mentioned set-up mode, it can effectively ensure that joining beam 5 can drive core members hollow shaft 4 to rotate and/or core Part hollow shaft 4 drive joining beam 5 rotate, and can be formed between joining beam 5 and core members hollow shaft 4 certain idle angular this two A purpose.So, ensure handle 1 latch position it is accurate under the premise of, in double branch in use, a non-locking of recliner To another recliner Locking property and have no effect.
Certainly, outside above-mentioned two embodiment, joining beam 5 and core members hollow shaft 4 can also have other set-up modes with Realize above-mentioned function;It will not be described in great detail herein.
On the basis of above-mentioned two embodiment, resetting apparatus 6 can be specifically configured to tension spring, torsional spring or magnetic force dress Put.To those skilled in the art, resetting apparatus 6 can also be miscellaneous part, be not restricted to described herein Tension spring, torsional spring or magnetic means, other are realizing that the component that handle 1 recovers to home position also should be in the protection model of this paper Within enclosing.
In addition, connecting plate 2 is additionally provided with to limit the limited post 3 of 1 drop-off positions of handle.It is it should be evident that sharp It is capable of the drop-off positions of joystick 1 with limited post 3, to ensure location consistency of the handle 1 when latching.
Certainly, it can be decided according to the actual requirements for the shape design of limited post 3, will no longer provide specific implementation herein Mode.
A kind of seat provided by the present invention, the seat include sitting basin, backrest and device for regulating chair angle;Seat angle Degree regulating device is the described device for regulating chair angle of above-mentioned specific embodiment;The other parts of seat are referred to existing Technology, it is not reinflated herein.
Device for regulating chair angle provided by the present invention and its seat are described in detail above.It is used herein Specific case is set forth the principle of the present invention and embodiment, to understand the explanation of above example is only intended to helping The method and its core concept of the present invention.It should be pointed out that for those skilled in the art, this is not being departed from On the premise of inventive principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the present invention In scope of the claims.

Claims (7)

1. a kind of device for regulating chair angle, including handle (1), connecting plate (2), core members hollow shaft (4) and joining beam (5);Institute State handle (1) to be connected with the connecting plate (2) by resetting apparatus (6), it is characterised in that the joining beam (5) sequentially passes through institute Connecting plate (2) is stated with the core members hollow shaft (4) and is welded with the handle (1);The core members hollow shaft (4) is described Rotate under the drive of joining beam (5), be additionally provided between the joining beam (5) and the core members hollow shaft (4) with for described The preset clearance that bar (5) dallies relative to the core members hollow shaft (4).
2. device for regulating chair angle according to claim 1, it is characterised in that the section of the joining beam (5) is circle, And the circular periphery is provided with radial protrusion;The core members hollow shaft (4) has to accommodate the joining beam (5) Through hole, the through hole are provided with to accommodate the groove of the radial protrusion, and the circumferential size of the groove is more than the radial direction Raised circumferential size.
3. device for regulating chair angle according to claim 2, it is characterised in that the circular periphery is provided with least Two radial protrusions, and at least two radial protrusions are evenly distributed on the circular periphery.
4. device for regulating chair angle according to claim 1, it is characterised in that the rectangular cross-section of the joining beam (5), The core members hollow shaft (4) has to accommodate the through hole of the joining beam (5).
5. the device for regulating chair angle according to claim 2 or 4, it is characterised in that the connecting plate (2) is additionally provided with To limit the limited post (3) of the handle (1) drop-off positions.
6. device for regulating chair angle according to claim 5, it is characterised in that the resetting apparatus (6) is specially to draw Spring, torsional spring or magnetic means.
7. a kind of seat, including sit basin, backrest and device for regulating chair angle;It is characterized in that, the chair angle is adjusted Device is claim 1 to 6 any one of them device for regulating chair angle.
CN201510874898.XA 2015-12-02 2015-12-02 A kind of seat and its device for regulating chair angle Active CN105361499B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510874898.XA CN105361499B (en) 2015-12-02 2015-12-02 A kind of seat and its device for regulating chair angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510874898.XA CN105361499B (en) 2015-12-02 2015-12-02 A kind of seat and its device for regulating chair angle

Publications (2)

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CN105361499A CN105361499A (en) 2016-03-02
CN105361499B true CN105361499B (en) 2018-05-04

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107048825A (en) * 2017-03-16 2017-08-18 浙江国华家具有限公司 A kind of controllable handle of band realizes backrest from the Leisure Sofa for function of lying

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485352A1 (en) * 1980-06-27 1981-12-31 Cousin Cie Ets A & M Freres MONO-GRAIN ARTICULATION ALLOWING THE ANGULAR ADJUSTMENT OF THE SEAT BACKREST, PARTICULARLY FOR A MOTOR VEHICLE SEAT, WITH AT LEAST ONE SEAT LOCKING ARTICULATION
US5707111A (en) * 1996-05-21 1998-01-13 Kim; Chang Seo Vehicle seat locking system
FR2977204B1 (en) * 2011-06-28 2016-09-30 Faurecia Sieges D'automobile ANGULAR ADJUSTMENT DEVICE FOR VEHICLE SEAT
CN103538501B (en) * 2012-07-17 2015-09-09 重庆长安汽车股份有限公司 Angle regulator for automobile chair assembly
CN103040258B (en) * 2012-12-14 2015-08-19 湖北中航精机科技有限公司 A kind of device for regulating chair angle and seat
CN204077424U (en) * 2014-08-28 2015-01-07 江苏力乐汽车部件股份有限公司 Interlock seat angle adjustor
CN204506612U (en) * 2015-01-21 2015-07-29 江苏力乐汽车部件股份有限公司 Automobile interlock seat angle adjustor
CN205162488U (en) * 2015-12-02 2016-04-20 湖北中航精机科技有限公司 Seat and seat angle adjusting device thereof

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