CN104273965B - Seat with adjustable backrest - Google Patents
Seat with adjustable backrest Download PDFInfo
- Publication number
- CN104273965B CN104273965B CN201310282220.3A CN201310282220A CN104273965B CN 104273965 B CN104273965 B CN 104273965B CN 201310282220 A CN201310282220 A CN 201310282220A CN 104273965 B CN104273965 B CN 104273965B
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- China
- Prior art keywords
- tooth
- backrest
- seat
- keeper
- straight line
- 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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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining 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
- A47C1/025—Reclining 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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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining 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
- A47C1/026—Reclining 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 peg-and-notch or pawl-and-ratchet mechanism
- A47C1/0265—Reclining 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 peg-and-notch or pawl-and-ratchet mechanism positioned under the arm-rests
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/04—Folding chairs with inflexible seats
- A47C4/18—Folding chairs with inflexible seats having a frame made of metal
Landscapes
- 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 seat with an adjustable backrest; the seat comprises a backrest support, a seat cushion support and an adjusting mechanism for adjusting the angle between the backrest support and the seat cushion support, the adjusting mechanism includes a rack, a tooth block, a positioning piece and a control mechanism; the rotation axis of the backrest support is vertical to the central axis of the rack, the rack and the backrest support are hinged, and the distance between a hinge point of the rack and the backrest support and the rotation axis is greater than zero; the tooth block can be meshed with the rack; the position of the positioning piece and the seat cushion support is relatively fixed, the tooth block can be arranged in the positioning piece in the manner of reciprocating sliding along a first straight line, and the rack can be sleeved in the positioning piece in the manner of reciprocating sliding along a second straight line, the second straight line and the central axis of the rack are parallel, the first straight line is vertical to the second straight line, and the control mechanism is used to control sliding of the tooth block in the positioning piece. The backrest inclination angle adjustment range of the seat with the adjustable backrest is larger, can fully meet arbitrary choice of a user on various backrest inclination angles, and improves the adaptive performance and the degree of comfortableness of the seat.
Description
Technical field
The present invention relates to consumer goods industries, particularly to a kind of seat chair with adjustable backrest.
Background technology
Seat is a kind of thing to sit on being provided with backrest and cushion, and the both sides of typically this seat are also respectively provided with handrail.For
Adapt to people's different demands to backrest inclination angle when using seat, to make seat all can meet in varied situations easypro
Appropriateness requires, and therefore, people design seat chair with adjustable backrest, makes the inclination angle of backrest by related governor motion
Degree can be adjusted according to specific needs.It can be seen that, the relatively uncontrollable seat of seat chair with adjustable backrest achieves functionally
Upgrading, meets the different demands to backrest inclination angle for the different people, drastically increases the scope of application of seat and comfortable
Degree,
But, in the prior art, the way of realization adjusting backrest angle of inclination substantially passes through governor motion
Multiple clamping gears are set, the different inclination of the seat backrest of each clamping gear correspondence.The mode of above-mentioned clamping gear is it is common that be present
Inside the handrail of chair, setting gear draw-in groove is realized by the version of clamping part and this gear draw-in groove clamping simultaneously.In order to
Meet enough clamping intensity, this clamping part is used for need to arrange enough thickness with the end of gear draw-in groove clamping, from
And need to arrange enough width and depth with the gear draw-in groove of this clamping part clamping, therefore, in actual production manufacture process
In, the setting quantity of gear draw-in groove is limited.Particular location due to gear draw-in groove corresponds to specific inclination of the seat backrest, and gear
The setting limited amount of draw-in groove, therefore, the numbers of gear steps realizing the adjustable seat of inclination of the seat backrest by this kind of mode is limited, thus
Make limited by the range of choice of backrest angle, can not fully meet personal some certain tilt angles to backrest simultaneously
Demand（The inclination of the seat backrest that for example this seat can not meet between two gears requires）.Additionally, people are in the backrest adjusting seat
During inclination angle, need to make clamping part and the manual clamping of gear draw-in groove and manual disengaging, simultaneously for clamping part and gear draw-in groove
Between position relationship need manually accordingly be adjusted and align, the comparison that therefore operates is hard.
Therefore, how to expand the range of choice of inclination of the seat backrest in seat chair with adjustable backrest, and fully meet user and exist
The demand of certain tilt angle is arbitrarily selected, with the regulative mode letter of season inclination of the seat backrest in the range of choice at backrest inclination angle
Easy row, is those skilled in the art's technical problem urgently to be resolved hurrily.
Content of the invention
In view of this, the invention provides a kind of seat chair with adjustable backrest, expand the range of choice of inclination of the seat backrest, and
Fully meet any selection of some certain tilt angles to backrest for the user.
For achieving the above object, the present invention provides following technical scheme：
A kind of seat chair with adjustable backrest, including back rest supports and cushions support, and for adjusting angle between the two
Governor motion, described governor motion includes：
It is provided with the tooth bar of the first teeth, the central axis upright of the rotation axis of described back rest supports and described tooth bar,
Described tooth bar and described back rest supports are hinged and pin joint between the two arrives the distance between described rotation axis more than zero；
Tooth block, described tooth block is provided with the second teeth being engaged with described first teeth；
The relatively-stationary keeper with described cushions support position, described tooth block can be arranged slidingly back and forth along first straight line
In described keeper, described tooth bar can be sheathed in described keeper slidingly back and forth along second straight line, described second straight line
With the centerline axis parallel of described tooth bar, described first straight line is vertical with described second straight line；
For control described tooth block slide in described keeper with control described first teeth and described second teeth it
Between apart from controlling organization.
Preferably, in above-mentioned seat chair with adjustable backrest, also include tooth box, described tooth box can be reciprocal along described first straight line
It is slidably arranged in described keeper, described tooth block is fixed in described tooth box, described tooth bar is arranged in described tooth box, institute
Stating controlling organization controls described tooth box to slide to control between described first teeth and described second teeth in described keeper
Distance.
Preferably, in above-mentioned seat chair with adjustable backrest, described controlling organization includes：
It is provided with the cam controlling lug boss；
For controlling the operating mechanism of described cam rotation, pass through described control lug boss during described cam rotation and control institute
State tooth box to slide along described first straight line.
Preferably, in above-mentioned seat chair with adjustable backrest, described cam is rotatablely arranged in described tooth box.
Preferably, in above-mentioned seat chair with adjustable backrest, described operating mechanism includes：
Gear, described cam rotates with described pinion rotation；
Action bars, axially disposed the 3rd teeth having with the gear teeth meshing of described gear on described action bars；
Protecting box, described gear and described action bars are arranged in described protecting box, and, the operation of described action bars
End is exposed outside described protecting box.
Preferably, in above-mentioned seat chair with adjustable backrest, also include drive link, described gear and described cam all with described
Drive link is coaxially disposed, and, one end of described drive link be slidably arranged in described cam connection in the hole and with described
Connecting hole circumference clamping is spacing, and the other end of described drive link is pierced in described protecting box and is connected with described gear, meanwhile, described
Not hinged with the described back rest supports one end of tooth bar is connected with described protecting box.
Preferably, in above-mentioned seat chair with adjustable backrest, also include sliding tube, described sliding tube is fixed on described backrest can
In the handrail lid of mode seat；
The two ends of described tooth bar are all fixed on described sliding tube, and described tooth bar and described sliding tube jointly can be along described the
Two linear reciprocation are slidably sheathed in described keeper, and, described sliding tube one end is hinged with described back rest supports, another
End is connected with described protecting box.
Preferably, in above-mentioned seat chair with adjustable backrest, also include back-moving spring, described back-moving spring one end is leaned on described
Back support connects, and the other end is connected with described keeper.
Preferably, in above-mentioned seat chair with adjustable backrest, the front support leg of described seat chair with adjustable backrest and rear support leg
Connection end hinged with described keeper.
Assume seat chair with adjustable backrest provided in an embodiment of the present invention original state when, the first teeth on tooth bar and tooth
The second teeth on block are in released state, are not engaged, and now, the position between cushions support and keeper is relatively fixed,
Tooth bar can slide in keeper.When tooth bar slides in keeper, angle is just between the two for back rest supports and cushions support
Can change, it is achieved thereby that arbitrarily adjusting the purpose of the inclination of the seat backrest of seat.After inclination of the seat backrest determines, user is led to
Crossing controlling organization controls tooth block to slide in keeper, to make the first teeth be engaged with the second teeth.Now, one end of tooth bar with
Back rest supports are hinged, and meanwhile, tooth bar is connected and fixed by tooth block and keeper, thus, the position between tooth bar and cushions support
It is relatively fixed, thus it is achieved that the purpose that backrest inclination angle is fixed.When needing to readjust leaning on of seat chair with adjustable backrest
During back of the body inclination angle, tooth block reverse slide in keeper is controlled by controlling organization, thus recovering seat to the adjustable state of backrest, then
Continue aforesaid operations.
In technique scheme, the fixation of the inclination of the seat backrest of seat chair with adjustable backrest provided in an embodiment of the present invention is passed through
Tooth block clamping tooth bar is realized, and therefore, the adjustable range of inclination of the seat backrest is shared in tooth bar central axial direction by the first teeth
Length determines, and specifically incident angle is also determined by the particular location of the first teeth of tooth block clamping at that time for backrest.
Because the distance between adjacent first teeth on tooth bar can be configured according to actual needs, and this distance is typically respectively provided with
Very little（For example can reach one or two millimeters）, thus visible, seat chair with adjustable backrest provided in an embodiment of the present invention, not only backrest
The adjustable range at inclination angle is larger, can fully meet the selection for the various concrete obliquity of backrest for the user simultaneously, from
And improve the conformability of seat, increased the level of comfort of seat.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the internal structure decomposing schematic representation of armrest provided in an embodiment of the present invention；
Fig. 2 is the decomposed schematic diagram of the governor motion of seat provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the back-moving spring mounting structure of seat provided in an embodiment of the present invention；
Fig. 4 is the overall structure diagram of seat provided in an embodiment of the present invention；
Fig. 5 is the right view of seat provided in an embodiment of the present invention.
Wherein, 1 is first sleeve, and 2 is cam, and 3 is left shell, and 4 is sliding tube, and 5 is back-moving spring, and 6 is handrail lid, 7
For tooth box, 8 is tooth block, and 9 is tooth bar, and 10 is right shell body, and 11 is drive link, and 12 is protecting box, and 13 is the second sleeve pipe, and 14 is tooth
Wheel, 16 is action bars, and 17 is rear support leg, and 18 is front support leg, and 19 is cushions support, and 20 is back rest supports, and 21 is pin.
Specific embodiment
The invention discloses a kind of seat chair with adjustable backrest, expand the range of choice of inclination of the seat backrest, and fully meet
Any selection of some certain tilt angles to backrest for the user.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-Fig. 5, Fig. 1 is the internal structure decomposing schematic representation of armrest provided in an embodiment of the present invention, Fig. 2
For the decomposed schematic diagram of the governor motion of seat provided in an embodiment of the present invention, Fig. 3 is seat provided in an embodiment of the present invention
The schematic diagram of the back-moving spring mounting structure of chair, Fig. 4 is the overall structure diagram of seat provided in an embodiment of the present invention, Fig. 5
Right view for seat provided in an embodiment of the present invention.
Seat chair with adjustable backrest provided in an embodiment of the present invention, including back rest supports 20 and cushions support 19, and is used for
Adjust the governor motion of back rest supports 20 and cushions support 19 angle between the two.This governor motion includes being provided with multiple first
The tooth bar 9 of teeth, it is provided with tooth block 8, keeper and the controlling organization of the second teeth.Wherein, for the ease of manufacturing, the present embodiment
In keeper be made up of left shell 3 and right shell body 10；The first teeth on tooth bar 9 are arranged successively along the central axis of tooth bar 9
Row, the rotation axis of back rest supports 20（It is apparent from when adjusting inclination of the seat backrest, back rest supports 20 can be along the rotation of a certain straight line, this
Straight line is the rotation axis of back rest supports 20）With the central axis upright of tooth bar 9, tooth bar 9 is hinged with back rest supports 20, and
The distance of the rotation axis to back rest supports 20 for this pin joint is more than zero（Thus realizing promoting before back rest supports 20 by tooth bar 9
Rear-inclined is to change the purpose at its inclination angle）；The second teeth on tooth block 8 can be engaged with the first teeth on tooth bar 9；Positioning
Part is relatively fixed with cushions support 19 position, that is, relative between annexation between the two and tie point between the two
Position relationship does not change, and tooth block 8 can be arranged in keeper slidingly back and forth along first straight line, and tooth bar 9 can be straight along second
Line is sheathed in keeper slidingly back and forth, wherein, the centerline axis parallel of second straight line and tooth bar 9, and this first straight line with
This second straight line vertically in order to adjusting gear rack 9 and tooth block 8 separation be engaged；Controlling organization is used for controlling tooth block 8 in positioning
Sliding action in part, thus control the distance between tooth block 8 and tooth bar 9 to control the first teeth dynamic with being engaged of the second teeth
Make and separating action.
Refer to the decomposed schematic diagram of the governor motion shown in Fig. 2 it is assumed that backrest provided in an embodiment of the present invention can
The original state of mode seat is the adjustable state of backrest, and that is, the second teeth on the first teeth on tooth bar 9 and tooth block 8 are in point
From state, do not engage, now, the position between cushions support 19 and keeper is relatively fixed, and, tooth bar 9 can be in positioning
Slide in part.Due to the central axis upright of rotation axis and the tooth bar 9 of back rest supports 20, and this rotation axis arrive tooth bar 9 and
The distance of the pin joint between back rest supports 20 is more than zero, therefore, when tooth bar 9 slides in keeper, back rest supports 20 He
Angle will change cushions support 19 between the two, it is achieved thereby that arbitrarily adjusting the purpose of the inclination of the seat backrest of seat.
After inclination of the seat backrest determines, user controls tooth block 8 to slide in keeper by controlling organization, to make tooth bar
9 are reduced with the distance between tooth block 8, until the first teeth are engaged with the second teeth.Now, one end of tooth bar 9 and back rest supports
20 is hinged, and meanwhile, tooth bar 9 is connected and fixed by tooth block 8 and keeper, and the position between keeper and cushions support 19 is relative
Fixing, thus, the position between tooth bar 9 and cushions support 19 is relatively fixed, thus it is achieved that backrest inclination angle is fixing
Purpose.When the inclination of the seat backrest needing to readjust seat chair with adjustable backrest, tooth block 8 is controlled in keeper by controlling organization
Reverse slide, to make tooth bar 9 and the distance between tooth block 8 expansion, until the first teeth are separated with the second teeth, thus recovering seat
Chair, to the adjustable state of backrest, is further continued for aforesaid operations.
In technique scheme, the fixation of the inclination of the seat backrest of seat chair with adjustable backrest passes through tooth block 8 clamping tooth bar 9 in fact
Existing, therefore, the adjustable range of inclination of the seat backrest is determined by the shared length in tooth bar 9 central axial direction of the first teeth, and
For backrest, specifically incident angle is also determined by the particular location of the first teeth of tooth block 8 clamping at that time.Due to phase on tooth bar 9
The distance between first adjacent teeth can be configured according to actual needs, and the very little that this distance is typically respectively provided with（For example
Can reach one or two millimeters）, thus visible, seat chair with adjustable backrest provided in an embodiment of the present invention, the not only regulation of inclination of the seat backrest
Scope is larger, can fully meet the selection for the various concrete obliquity of backrest for the user, thus improve seat simultaneously
The conformability of chair, increased the level of comfort of seat.
In a particular embodiment, as shown in Fig. 2 and Fig. 1, the governor motion of above-mentioned seat chair with adjustable backrest includes tooth box
7.Wherein, tooth block 8 is fixed in tooth box 7, and tooth box 7 can be arranged in keeper slidingly back and forth along above-mentioned first straight line, thus
Make tooth block 8 can reciprocatingly slide along first straight line in keeper；And, tooth bar 9 slidably can be worn along above-mentioned second straight line simultaneously
In keeper and tooth box 7.Here needs to illustrate, due to, in tooth box 7, needing phase between tooth block 8 and tooth bar 9
To movement, and by the mobile drive tooth block 8 of tooth box 7 closer or far from tooth bar 9, therefore, it is used in tooth box 7 wearing tooth bar 9
Through hole be configured to bigger than the section of tooth bar 9, that is, this through hole has enough surplus capacities and allows phase in tooth box 7 for the tooth bar 9
To movement.
In order to optimize technique scheme further, as shown in Fig. 2 and Fig. 1, the regulation machine of above-mentioned seat chair with adjustable backrest
In structure, for controlling tooth block 8（Control tooth box 7 in other words）The controlling organization sliding includes being provided with the cam 2 controlling lug boss,
And it is provided with the operating mechanism of gear 14, action bars 16 and protecting box 12.Wherein, cam 2 is rotatablely arranged at tooth box 7
Interior, and the rotation with gear 14 and rotate, when cam 2 rotates, the control lug boss on cam 2 withstands tooth box 7 and makes it fixed
Slide along described first straight line in the part of position, and then control tooth block 8 to separate and occlusion with tooth bar 9, realize tooth block 8 and tooth bar 9 it
Between relative slip and locking, thus controlling the change of pitch angle of backrest；The axially disposed wheel having with gear 14 on action bars 16
3rd teeth of tooth engagement；Gear 14 and action bars 16 are arranged in protecting box 12, and, the operating side of action bars 16 is exposed
Outside protecting box 12, pass through pressing operation bar 16 thus making gear 14 rotate in order to user, thus controlling the rotation of cam 2,
Final realize controlling tooth block 8 to separate with tooth bar 9 or occlusion purpose.Easily know, above-mentioned for controlling tooth block 8 to slide
Controlling organization be not limited thereto, those skilled in the art can also be designed to other concrete forms, for example, pass through
Knob box 7 directly pressed by button makes it slide in keeper to control tooth block 8 to separate with tooth bar 9, and by spring by tooth box 7
Reset to control being engaged of tooth block 8 and tooth bar 9；For example the knob by being connected with cam 2 controls the rotation of cam 2 is also permissible
, therefore, the present invention to this and is not specifically limited.
Refer to Fig. 1 and Fig. 2, in the present embodiment, the governor motion also bag sliding tube 4 of above-mentioned seat chair with adjustable backrest,
This sliding tube 4 is fixed in the handrail lid 6 of seat.Wherein, due to front support leg 18 and the rear support leg of seat chair with adjustable backrest
17 are connected with cushions support 19 respectively, therefore can make connection end and the governor motion between front support leg 18 and rear support leg 17
In keeper connect.Additionally, the two ends of tooth bar 9 are all fixed on sliding tube 4, thus, tooth bar 9 and sliding tube 4 jointly can edges
Second straight line is sheathed in keeper slidingly back and forth.Meanwhile, sliding tube 4 one end is hinged with back rest supports 20, the other end and guarantor
Shield box 12 is connected.In a particular embodiment, one end of sliding tube 4 and one end of handrail lid 6 are propped up by pin 21 and backrest simultaneously
Support 20 hinged, protecting box 12 is arranged at the inside of handrail lid 6 other end hinged with the end of sliding tube 4, now, handrail lid 6
The corresponding place in operating side exposed with action bars 16 outside protecting box 12 of both sides be respectively arranged with through hole, allowed by this through hole
Two operating sides of action bars 16 are exposed, and in order to user, it are carried out with pressing and adjust.
In the above-described embodiments, drive link 11, gear 14 He are also included in the operating mechanism for controlling cam rotation
Cam 2 is all coaxially disposed with drive link 11, and, one end of drive link 11 is pierced in protecting box 12 and is connected with gear 14, meanwhile,
Not hinged with back rest supports 20 one end of tooth bar 9 is connected with protecting box 12；The other end of drive link 11 is slidably arranged in convex
Wheel 2 connection in the hole and with connecting hole circumference clamping spacing.In a particular embodiment, concrete between drive link 11 and cam 2
Set-up mode has multiple, and for example, the section of this connecting rod 11 is square, and cam 2 is used for the connecting hole being connected with connecting rod 11
Also it is square；Or, the section of this connecting rod 11 is square, when the connecting hole being used on cam 2 being connected with connecting rod 11 is circle
During shape, using first sleeve 1, cam 2 is connected with connecting rod 11, using the second sleeve pipe 13, gear 14 is connected with connecting rod 11,
The center of this first sleeve 1 and this second sleeve pipe 13 is respectively arranged with the square through hole on square through hole, and, first sleeve 1
Coordinate with the square-section gap of connecting rod 11, the outer wall of first sleeve 1 and the circular connecting hole interference on cam 2 simultaneously is joined
Close.But it is not limited thereto, for the above-mentioned spacing specific implementation of both circumferentially clamping that is slidably connected, people in the art
Member is readily obtained other designs, and therefore, the present invention is not especially limited to this.
In order to optimize technique scheme further, as shown in figure 3, in the governor motion of above-mentioned seat chair with adjustable backrest also
Including back-moving spring 5, back-moving spring 5 one end is connected with back rest supports 20, and the other end is connected with keeper.Thus, to backrest
During the regulation at inclination angle, when the angle between back rest supports 20 and cushions support 19 is excessive, user only need to make back from
Open back rest supports 20, rely on the restoring force of back-moving spring 5 can slowly retract the back rest supports having pushed 20, leaned on reducing
Back of the body inclination angle.Therefore, further simplify the regulation operation to inclination of the seat backrest.
From technique scheme as can be seen that the present embodiment, by the regulation of the various conventional within positioned at handrail lid 6
Structure, to realize the electrodeless regulation of inclination of the seat backrest, gives in the range of certain and is satisfied with comfortable arbitrary inclination.And, make
Used time, control the change of pitch angle of backrest, i.e. a key adjustable back by the action bars 16 of finger pressure handrail lid 6 front end, order is leaned on
The regulation at back of the body inclination angle is simple to operation, laborsaving saves time.
In order to optimize technique scheme further, as shown in figure 3, the front support leg 18 of seat chair with adjustable backrest and rear
The connection end of support leg is hinged with keeper, in order to generation when adjusting inclination of the seat backrest it is allowed between keeper and this connection end
A certain degree of relatively rotate.Here is it should be noted that due to the connection end of front support leg 18 and rear support leg and keeper
Between relative rotation be not very big, therefore have no effect on the relative position between keeper and cushions support 19.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (6)
1. a kind of seat chair with adjustable backrest, including back rest supports (20) and cushions support (19), and for adjusting between the two
The governor motion of angle is it is characterised in that described governor motion includes：
It is provided with the tooth bar (9) of the first teeth, the central axis of the rotation axis of described back rest supports (20) and described tooth bar (9)
Vertically, described tooth bar (9) and described back rest supports (20) are hinged and pin joint between the two is between described rotation axis
Distance be more than zero；
Tooth block (8), described tooth block (8) is provided with the second teeth being engaged with described first teeth；
The relatively-stationary keeper with described cushions support (19) position, described tooth block (8) can along first straight line slidingly back and forth
It is arranged in described keeper, described tooth bar (9) can be sheathed in described keeper slidingly back and forth along second straight line, described
Two straight lines and the centerline axis parallel of described tooth bar (9), described first straight line is vertical with described second straight line；
For controlling described tooth block (8) to slide to control between described first teeth and described second teeth in described keeper
Distance controlling mechanism；
Tooth box (7), described tooth box (7) can be arranged in described keeper slidingly back and forth along described first straight line, described tooth block
(8) it is fixed in described tooth box (7), described tooth bar (9) is arranged in described tooth box (7), and described controlling organization controls described tooth
Box (7) slides to control distance between described first teeth and described second teeth in described keeper；
Described controlling organization includes：
It is provided with the cam (2) controlling lug boss；
For the operating mechanism controlling described cam (2) to rotate, controlled by described control lug boss when described cam (2) rotates
Described tooth box (7) is slided along described first straight line；
Described operating mechanism includes：
Gear (14), described cam (2) rotates with described gear (14) and rotates；
Action bars (16), upper axially disposed the 3rd tooth having with the gear teeth meshing of described gear (14) of described action bars (16)
Tooth；
Protecting box (12), described gear (14) and described action bars (16) are arranged in described protecting box (12), and, described
Described protecting box (12) is exposed outward in the operating side of action bars (16).
2. seat chair with adjustable backrest according to claim 1 is it is characterised in that described cam (2) is rotatablely arranged at
In described tooth box (7).
3. seat chair with adjustable backrest according to claim 1 is it is characterised in that also include drive link (11), described gear
(14) all it is coaxially disposed with described drive link (11) with described cam (2), and, one end of described drive link (11) is slidably
It is arranged in the connection in the hole of described cam (2) and, the other end of described drive link (11) spacing with the circumference clamping of described connecting hole
Pierce in described protecting box (12) and be connected with described gear (14), meanwhile, described tooth bar (9) is not cut with scissors with described back rest supports (20)
The one end connecing is connected with described protecting box (12).
4. seat chair with adjustable backrest according to claim 3 is it is characterised in that also include sliding tube (4), described sliding tube
(4) it is fixed in the handrail lid (6) of described seat chair with adjustable backrest；
The two ends of described tooth bar (9) are all fixed on described sliding tube (4), and described tooth bar (9) and described sliding tube (4) jointly may be used
It is sheathed on slidingly back and forth in described keeper along described second straight line, and, described sliding tube (4) one end is propped up with described backrest
Support (20) is hinged, and the other end is connected with described protecting box (12).
5. seat chair with adjustable backrest according to claim 4 is it is characterised in that also include back-moving spring (5), described reset
Spring (5) one end is connected with described back rest supports (20), and the other end is connected with described keeper.
6. the seat chair with adjustable backrest according to any one of claim 1-5 is it is characterised in that described seat chair with adjustable backrest
Front support leg (18) hinged with described keeper with the connection end of rear support leg (17).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282220.3A CN104273965B (en) | 2013-07-05 | 2013-07-05 | Seat with adjustable backrest |
| EP20130184698 EP2820974A1 (en) | 2013-07-05 | 2013-09-17 | Chair with adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282220.3A CN104273965B (en) | 2013-07-05 | 2013-07-05 | Seat with adjustable backrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104273965A CN104273965A (en) | 2015-01-14 |
| CN104273965B true CN104273965B (en) | 2017-02-08 |
Family
ID=49209262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310282220.3A Expired - Fee Related CN104273965B (en) | 2013-07-05 | 2013-07-05 | Seat with adjustable backrest |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2820974A1 (en) |
| CN (1) | CN104273965B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107307968B (en) * | 2017-07-20 | 2023-08-04 | 深圳市福瑞斯健康科技有限公司 | Massage chair |
| WO2020247512A1 (en) * | 2019-06-04 | 2020-12-10 | Yeti Coolers, Llc | Portable chair |
| CN110811195A (en) * | 2019-11-20 | 2020-02-21 | 重庆延锋安道拓汽车部件系统有限公司 | Adjustable office chair |
| CN110680108A (en) * | 2019-11-20 | 2020-01-14 | 重庆延锋安道拓汽车部件系统有限公司 | Backrest inclination angle adjusting mechanism suitable for office chair |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509934Y (en) * | 2001-09-07 | 2002-09-11 | 郭潍庆 | Adjusting chair |
| US6692068B1 (en) * | 2003-02-05 | 2004-02-17 | Lai-Fu Tang | Deck chair |
| CN200947941Y (en) * | 2006-08-24 | 2007-09-19 | 厦门进雄企业有限公司 | Improved folding reclining chair |
| CN201147046Y (en) * | 2008-01-31 | 2008-11-12 | 马跃凌 | Chaise longue capable of randomly regulating angle |
| CN201175119Y (en) * | 2007-05-24 | 2009-01-07 | 浙江泰普森休闲用品有限公司 | Seating reclining chair with pillow |
| US7500715B1 (en) * | 2007-10-15 | 2009-03-10 | Libin Chen | Beach chair with simple locking means |
| CN201734245U (en) * | 2010-07-09 | 2011-02-09 | 漳州红梅家具有限公司 | Beach chair capable of adjusting angle of backrest |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1970480A (en) * | 1933-11-09 | 1934-08-14 | J G Brill Co | Adjustment for seat backs |
| US2962087A (en) * | 1958-12-19 | 1960-11-29 | American Seating Co | Reclining chair |
| FR2677238B3 (en) * | 1991-06-10 | 1993-09-10 | Tanis | RELAXATION ARMCHAIR. |
| US7950734B2 (en) * | 2007-09-18 | 2011-05-31 | Edward Zheng | Recliner with locking mechanism |
-
2013
- 2013-07-05 CN CN201310282220.3A patent/CN104273965B/en not_active Expired - Fee Related
- 2013-09-17 EP EP20130184698 patent/EP2820974A1/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509934Y (en) * | 2001-09-07 | 2002-09-11 | 郭潍庆 | Adjusting chair |
| US6692068B1 (en) * | 2003-02-05 | 2004-02-17 | Lai-Fu Tang | Deck chair |
| CN200947941Y (en) * | 2006-08-24 | 2007-09-19 | 厦门进雄企业有限公司 | Improved folding reclining chair |
| CN201175119Y (en) * | 2007-05-24 | 2009-01-07 | 浙江泰普森休闲用品有限公司 | Seating reclining chair with pillow |
| US7500715B1 (en) * | 2007-10-15 | 2009-03-10 | Libin Chen | Beach chair with simple locking means |
| CN201147046Y (en) * | 2008-01-31 | 2008-11-12 | 马跃凌 | Chaise longue capable of randomly regulating angle |
| CN201734245U (en) * | 2010-07-09 | 2011-02-09 | 漳州红梅家具有限公司 | Beach chair capable of adjusting angle of backrest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104273965A (en) | 2015-01-14 |
| EP2820974A1 (en) | 2015-01-07 |
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Granted publication date: 20170208 Termination date: 20170705 |