CN208726087U - Chair with chair back inclination compensation - Google Patents
Chair with chair back inclination compensation Download PDFInfo
- Publication number
- CN208726087U CN208726087U CN201721031250.7U CN201721031250U CN208726087U CN 208726087 U CN208726087 U CN 208726087U CN 201721031250 U CN201721031250 U CN 201721031250U CN 208726087 U CN208726087 U CN 208726087U
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- unit
- crank
- side frame
- chair
- interior side
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 210000001217 buttock Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
-
- 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
-
- 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
- A47C1/0244—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 fluid means
-
- 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
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
- A61G5/0816—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair
- A61G5/0825—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair comprising a scissor-type frame, e.g. having pivoting cross bars for enabling folding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1075—Arrangements for adjusting the seat tilting the whole seat backwards
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
一种具有椅背倾斜补偿的椅具，包含椅座装置，及椅背装置。所述椅座装置包括两个左右间隔的内侧架。所述椅背装置包括背靠单元，及两个分别可调整角度地连接所述背靠单元的左右两侧底部与所述内侧架间的补偿单元，每一个所述补偿单元具有连接所述背靠单元的曲柄、可摆动地连接所述曲柄的底部与所述内侧架的游戏杆，及可摆动地连接所述曲柄的前侧与所述内侧架的连杆。当所述椅背装置相对于所述椅座装置向后倾斜时，通过所述补偿单元的连动补偿，即会带动所述背靠单元向后且向下旋摆位移，并让靠躺其上的使用者的背部及头部，能够服贴地随着所述背靠单元一起摆转而不会相对滑动摩擦，所以可符合人体工学设计。
A chair with backrest tilt compensation comprises a seat device and a backrest device. The seat device comprises two inner frames spaced apart from each other. The backrest device comprises a backrest unit, and two compensation units respectively connected to the bottom of the left and right sides of the backrest unit and the inner frames so as to be able to adjust the angles thereof, each of the compensation units comprising a crank connecting the backrest unit, a joystick swingably connecting the bottom of the crank and the inner frames, and a connecting rod swingably connecting the front side of the crank and the inner frames. When the backrest device tilts backward relative to the seat device, the backrest unit is driven to swing backward and downward through the linkage compensation of the compensation unit, and the back and head of the user lying thereon can swing along with the backrest unit without relative sliding friction, so that the design is ergonomic.
Description
Technical field
The utility model relates to a kind of chair tools, have back tilting more particularly to a kind of adjustable chair back elevation angle
The chair tool of compensation.
Background technique
General chair tool, such as wheelchair, medical seat or electric bicycle ... etc. generally comprise one and are available for users to stern
Seating unit that portion is taken and one are arranged in the seating unit rear side and are available for users to back and head and leans against list by what is lain
Member.The seating unit have two between left and right every seatpost, this lean against unit with two between left and right every and bottom end can put respectively
The back bar of the rear end of the seatpost is connected dynamicly.In use, this, which leans against unit, can be adjusted by driving relative to the seating unit
Elevation angle.
When adjustment, since the seating unit is still located at fixed position, user's buttocks is also kept in situ, so when should
When leaning against unit and tilting backwards, the back bar can be swung backward centered on its articulated section relative to the seatpost respectively, also can
So that user back recliner backward, however unit pivot joint but is leaned against with this because of rotation fulcrum when the recliner of user back
The rotation fulcrum at place is different, and the two so will will lead to user back when rotation with this by lying between the upper and lower every leaning against
Between unit, the friction phenomenon of relative dislocation sliding occurs, and will cause head and slide downwards and original position can not be rested on really
The case where setting does not meet ergonomic designs not only, can generate the uncomfortable feeling of friction, therefore the design of above-mentioned chair tool still needs yet
Improve.
Summary of the invention
The shortcomings that prior art can at least be overcome the purpose of this utility model is to provide one kind, has back tilting
The chair tool of compensation.
The chair tool with back tilting compensation of the utility model includes seat device and chair back device.The seat dress
It sets including taking unit, the chair back device includes positioned at the seating unit rear side and what is upwardly extended lean against unit.It is described
Seat device further includes two interior side frames for being separately positioned on the left and right sides for taking unit.The chair back device further includes
Two lean against compensating unit between the left and right sides bottom of unit and the interior side frame described in connection in adjustable angle respectively, and
Two are respectively arranged at the interior side frame and are respectively used to drive the first driving unit of the compensating unit, each described benefit
It repays unit and has and lean against the crank of unit described in connection, be pivotably connected the bottom of the crank and the downside of the interior side frame
Joystick, and be pivotably connected the connecting rod of the front side of the crank and the upside of the interior side frame, the crank has neighbour
It is bordering on the marking part of the rear side for taking unit.The chair back device can lean against unit described relative to the seat device
It is moved between the sweptback anticline position of unit in the straight position of the back of vertical and described lean against, the chair back device is described
When carrying on the back straight position, the marking part of the crank of each compensating unit is located at the rear for taking unit, institute
Chair back device is stated at the anticline position, the marking part of the crank of each compensating unit is rearwardly and down
Displacement.
The utility model with back tilting compensation chair tool, each described interior side frame have between the upper and lower every restocking
Bar and lower hack lever, the crank of each compensating unit also have the surface positioned at the marking part and fixedly connect
The Fixed Division for leaning against unit is connect, and positioned at the front lower place of the marking part, and is pivotably connected the joystick and institute
The attachment of the first driving unit is stated, the joystick, which has to be pivotably connected under the lower hack lever of the interior side frame, to be shaken
Portion, and be pivotably connected the crank the attachment on shake portion, the joystick it is described on shake on rear side of portion and institute
Angle between stating on rear side of the attachment of crank is less than or equal to 180 °, chair back device folder at the anticline position
The angle at angle, less than the angle of chair back device angle at the straight position of the back.
The chair tool with back tilting compensation of the utility model, the crank of each compensating unit also have
Interconnecting piece below the marking part, the connecting rod is with before being pivotably connected the upper hack lever of the interior side frame
Portion, company, and positioned at the jib strut the back lower place and be pivotably connected the crank the interconnecting piece rear portion, company.
The chair tool with back tilting compensation of the utility model, the crank of each compensating unit also have
Interconnecting piece above the marking part, the connecting rod is with before being pivotably connected the upper hack lever of the interior side frame
Portion, company, and positioned at the jib strut back upper place and be pivotably connected the crank the interconnecting piece rear portion, company.
The chair tool with back tilting compensation of the utility model, the crank of each compensating unit also have
Limiting slot positioned at the back lower place of the marking part, each described interior side frame have the locating part for protruding into the limiting slot, institute
When stating chair back device and being moved between back straight position and the anticline position, the two of the limiting slot of each crank
Opposite end also can be used for limiting the hunting range of each crank alternately by being butted on the locating part.
The connecting rod of the chair tool with back tilting compensation of the utility model, each compensating unit has number
It is a be arranged at intervals the jib strut and it is described after the connecting hole that connects between portion, each described compensating unit also has setting
In the crank the interconnecting piece and can alternatively be connected to the connecting rod the connecting hole connector.
The chair tool with back tilting compensation of the utility model, the joystick of each compensating unit have
It is several be arranged at intervals shaken on described portion and it is described under shake adjusting hole between portion, each described compensating unit, which also has, to be set
It is placed in the attachment of the crank and can alternatively be connected to the adjustment part of the adjusting hole of the joystick.
The chair tool with back tilting compensation of the utility model, the chair tool also includes base device, the pedestal dress
The outer side frame being respectively arranged on the outside of the interior side frame of the seat device including two is set, the seat device further includes two
It is a be respectively used to for the interior side frame to be pivotably connected be respectively arranged in the hinged unit of the outer side frame and two it is described
Outer side frame and may be respectively used in the second driving unit for driving the interior side frame, the seat device can the hinged unit be
Relative to the base device, it is in lay flat the flat seat of shape to set and one makes described multiply that the seating unit is made at one at center
It sits between the oblique seat that inclines of unit is set and moves.
The chair tool with back tilting compensation of the utility model, each of the base device outer side frame have
Time interval, and the front guide slot extended using the hinged unit as center curved arc and rear guide groove, the seat device each
The interior side frame has the preceding guiding element for slippingly protruding into the front guide slot, and leads after slippingly protruding into the rear guide groove
Part, the seat device the flat seat set with the seat that inclines set between move when, each described preceding guiding element also can be in institute
State and move between the both ends of front guide slot, at the same each it is described after guiding element can also be moved between the both ends of guide groove after described.
The utility model with back tilting compensation chair tool, the base device further include two difference rotationally
It is set to the front vehicle wheel of the front side of the outer side frame and the rear car of rear side that two are rotatablely arranged at the outer side frame respectively
Wheel.
The utility model has the beneficial effects that: compensated by the gearing of the compensating unit, it can drive and described lean against list
Rearwardly and down swing is displaced member, so that the back and head of user will not be with respect to sliding frictions, so may conform to human body work
It learns.
Detailed description of the invention
Other features and effect of the utility model will be clearly presented in the embodiment referring to schema, in which:
Fig. 1 is a perspective view, illustrates a first embodiment of the utility model chair tool；
Fig. 2 is an incomplete stereogram exploded view, illustrates a base device, the seat dress of the first embodiment
It sets and the Local Phase connecting structure of a chair back device；
Fig. 3 is an incomplete side view, illustrates the chair back device of the first embodiment relative to the seat device position
In a straight position of back, which is located at a flat seat relative to the base device and sets；
Fig. 4 be one similar to Fig. 3 view, illustrate that the chair back device of the first embodiment is located at relative to the seat device
One anticline position, the seat device are located at the flat seat relative to the base device and set；
Fig. 5 be one similar to Fig. 4 view, illustrate that the chair back device of the first embodiment is located at relative to the seat device
The anticline position, the seat device are located at the seat that inclines relative to the base device and set；
Fig. 6 is an incomplete side view, illustrates the chair back device phase of a second embodiment of the utility model chair tool
The straight position of the back is located at for the seat device；And
Fig. 7 be one similar to Fig. 6 view, illustrate that the chair back device of the second embodiment is located at relative to the seat device
The anticline position.
Specific embodiment
Before the utility model is described in detail, it shall be noted that in the following description content, similar component be with
It is identically numbered to indicate.
Refering to fig. 1, Fig. 2 and Fig. 3, a first embodiment of the utility model chair tool, the chair tool can be wheelchair, medical
Seat, electric bicycle, leisure chaise longue or office chair ... etc. are illustrated by taking wheelchair as an example in the present first embodiment.The chair tool
Include 1, seat device 2 of a base device and a chair back device 3.
The base device 1 include two between left and right every outer side frame 11, two be rotatablely arranged at the outside respectively
The front vehicle wheel 12 of the front side of frame 11 and two are rotatablely arranged at the rear wheel 13 of the rear side of the outer side frame 11 respectively.Often
One outer side frame 11 have between the upper and lower every a upper side rod 111 connect side rod 111 on this with a lower side rod 112, one
Side rod on this is connect with the front-end edge of the lower side rod 112 and for preceding side rod 113, one that the front vehicle wheel 12 can be rotatably set
The 111 rear side rods 114 that can be rotatably set with the end edge of the lower side rod 112 and for the rear wheel 13 and time interval and company
Connect the frontal arc plate 115 and a backarc plate 116 on this between side rod 111 and the lower side rod 112.The frontal arc plate 115 defines
A front guide slot 117 by posterior end upper end curved arc extension forward out.The backarc plate 116 defines one from rear upper end toward front lower
The rear guide groove 118 for holding curved arc to extend.The front guide slot 117 and the rear guide groove 118 be time interval along the same circle circumference
Curved arc extends.
The seat device 2 can be set to rotation between the outer side frame 11 of the base device 1, which includes
One be available for users to buttocks seating seatings unit 21, two be separately positioned on the seating unit 21 the left and right sides lower section and
It is located at 22, two time intervals of interior side frame of outer 11 inside of side frame of the base device 1 and can support to folding
Connection unit 23, two between the seating unit 21 and the interior side frame 22 are respectively used to swingably connect the interior side frame 22
It is connected to the hinged unit 24 of the outer side frame 11 and two is respectively arranged at the outer side frame 11 and may be respectively used in described in driving
Second driving unit 25 of interior side frame 22.
The seating unit 21 has the long Xiang Yanshen in two front and backs and is separately positioned on the seatpost of 22 top of interior side frame
211 and a cushion 212 being laid between the seatpost 211.Each interior side frame 22 have between the upper and lower every a restocking
Bar 221 and a lower hack lever 222, one connect preceding hack lever 223, one of the front-end edge of hack lever 221 and the lower hack lever 222 on this
Rear hack lever 224, one for connecting the end edge of hack lever 221 and the lower hack lever 222 on this are set to the lower hack lever 222 and slip
Ground protrude into the front guide slot 117 of the corresponding outer side frame 11 preceding guiding element 225, one are set to the rear hack lever 224 and can slide
Move ground protrude into the corresponding outer side frame 11 the rear guide groove 118 rear guiding element 226 and one be set on this hack lever 221 and
The locating part 227 of the junction of the rear hack lever 224.
The strut 231 that there are each connection unit 23 two inclinations to extend, 231 interconnection of strut are in X-shaped,
And it is connected to the seatpost 211 and the lower hack lever 222, when the strut 231 struts each other, the interior side frame 22 can be driven
It is separated from each other so that the seating unit 21 is unfolded, when the strut 231 converts into each other, the interior side frame 22 can be driven mutually to abut
To fold the seating unit 21.
Each hinged unit 24 is the upper side rod 111 for being pivotally connected the corresponding outer side frame 11 and the corresponding inside
The upper hack lever 221 of frame 22, and be permanently connected on this 241, one, outer pivot ear of side rod 111 and be permanently connected on this including one
The interior pivot ear 242 of hack lever 221 and one be pivotally connected the outer pivot ear 241 and the interior pivot ear 242 and by the front guide slot 117 and this after
The pivot 243 in the center of circle of guide groove 118 can be such that the interior side frame 22 swings centered on the pivot 243 relative to the outer side frame 11, when
So in other variation aspects of this first embodiment, the outer pivot ear 241 and the setting of the interior pivot ear 242 also can be omitted, and
Make the pivot 243 directly by side rod 111 on this and hack lever 221 is articulated on this.Each second driving unit 25 is
Air pressure rod between one lower hack lever 222 for being swingably set to the interior side frame 22 and the upper side rod 111 of the outer side frame 11, certainly
It is also possible to other drive configurations in design.
The chair back device 3 includes one and is located at 21 rear side of the seating unit and is available for users to back and head by the back lain
It is connected in adjustable angle between the left and right sides bottom for leaning against unit 31 and the interior side frame 22 respectively by unit 31, two
Compensating unit 4 and two be respectively arranged at the interior side frame 22 and being respectively used to drive the first of the compensating unit 4 drive it is single
Member 32.This lean against unit 31 with two between left and right every and the back bar 311 that is upwardly extended by the rear of the seatpost 211 respectively,
An and back pad 312 being laid between the back bar 311.Each first driving unit 32 is one and is swingably set to
Air pressure rod between the upper hack lever 221 of the corresponding interior side frame 22 and the corresponding compensating unit 4, in design may be used certainly
To be other drive configurations.
Each compensating unit 4 connects 41, one, the crank for leaning against unit 31 with one and is pivotably connected this
Joystick 42, one of the bottom of crank 41 and the downside of the corresponding interior side frame 22 are for being pivotally connected the crank 41, the game
Adjustment part 43, one of bar 42 and corresponding first driving unit 32 are pivotably connected the front side of the crank 41 and opposite
The connecting rod 44 of the upside for the interior side frame 22 answered and one are for being pivotally connected the connector 45 of the crank 41 Yu the connecting rod 44.
There are the crank 41 marking part 411, one of a rear side adjacent to the seating unit 21 to be located at the marking part
Before the Fixed Division 412, one of 411 surface and respective 311 bottom of back bar that is permanently connected is located at the marking part 411
It lower section and is pivotably connected attachment 413, one of the joystick 42 and corresponding first driving unit 32 be located at should
Interconnecting piece 414 and the back lower place positioned at the marking part 411 between marking part 411 and the attachment 413, and for corresponding
The interior side frame 22 the limiting slot 415 that slideably protrudes into of the locating part 227.
The joystick 42 is pivotably connected under the lower hack lever 222 of the corresponding interior side frame 22 with one and shakes portion
421, attachment 413 for being pivotably connected the crank 41 on shake portion 422 and several grow along it to setting at intervals
It sets and shakes portion 422 on this and shake the adjusting hole 423 between portion 421 under this, 422 rear side of portion and the crank are shaken on this of the joystick 42
Angle theta between 41 413 rear side of attachment is less than 180 °, certainly in other variation aspects of this first embodiment, the folder
Angle θ can also be equal to 180 °.The adjustment part 43 is set to the attachment 413 of the crank 41, and can alternatively be connected to the trip
Play bar 42 the adjusting hole 423, the adjustment part 43 in addition to can connect the crank 41, the joystick 42 with it is corresponding this first
Other than driving unit 32, moreover it is possible to as the position of the adjusting hole 423 of selected assembling is different, and to adjust the crank 41 and be somebody's turn to do
The connection length and angle of joystick 42.
The connecting rod 44 have one be pivotably connected the corresponding interior side frame 22 this on hack lever 221 jib strut
441, a rear portion, company for being located at the back lower place of the jib strut 441 and being pivotably connected the interconnecting piece 414 of the crank 41
It 442 and several grows along it to the jib strut 441 is arranged at intervals and connects the connecting hole 443 between portion 442 after this.The connection
Part 45 is set to the interconnecting piece 414 of the crank 41, and can alternatively be connected to the connecting hole 443 of the connecting rod 44, the company
Fitting 45 is other than it can connect the crank 41 and the connecting rod 44, moreover it is possible to the position of the connecting hole 443 of selected assembling
Difference adjusts the connection length and angle of the crank 41 Yu the connecting rod 44.
Under normal operating condition, the chair back device 3 be located at relative to the seat device 2 one this lean against unit 31 and be in
The straight position of the back of vertical, and the seat device 2 is to be located at one relative to the base device 1 the seating unit 21 is made to be in lay flat
The flat seat of shape is set.For the chair back device 3 at the straight position of the back, each first driving unit 32 is in elongation state, each
The marking part 411 of a crank 41 is positioned adjacently at the rear of the rear side of the seating unit 21, makes each joystick 42
In upwards and retreat ramp-like.For the seat device 2 when the flat seat is set, each second driving unit 25 is in elongate
State, each preceding guiding element 225 are located at the posterior end of the corresponding front guide slot 117, each rear guiding element 226 is located at opposite
The rear upper end for the rear guide groove 118 answered.
As shown in figure 4, and when wanting adjustment tilts backwards the chair back device 3, as long as drive each this first drive
Moving cell 32 is in shortening state, just will drive each joystick 42 upwards and rotation forward, while and driving and be connected
The crank 41 affects the connecting rod 44 to carry out a series of rotation, so that the marking part 411 of the crank 41 rearwardly and down moves to
The back lower place of the rear side of the seating unit 21, and this is allowed to lean against the rearwardly and down sloped position of unit 31, can thus it make
The chair back device 3 is moved to an anticline position of Fig. 4, the at this time trip by the straight position of the back of Fig. 3 relative to the seat device 2
The angle for the angle theta between bar 42 and the crank 41 of playing, less than the angle of the chair back device 3 angle theta at the straight position of the back of Fig. 3
Degree.Certainly, since the form for adjusting inclined angle difference and chair tool is different, so when the chair back device 3 moves to the anticline position
When setting, the marking part 411 of the crank 41 is also possible to move to the rear or lower section of the rear side of the seating unit 21, thus not with
This first embodiment is limited.It is noted that when the chair back device 3 is in the straight position of the back of Fig. 3 and the anticline position of Fig. 4
Between when moving, two opposite ends of the limiting slot 415 of each crank 41 also can be alternately by being butted on the corresponding locating part
227, it can be used for limiting the hunting range of each crank 41.
As shown in figure 5, and when wanting adjustment makes 2 forward upward of seat device stick up high, as long as driving each this
Two driving units 25 are in shortening state, just will drive the corresponding interior side frame 22 together with the seating unit 21 and are connected
Component is together center forward upward rotation inclination with the corresponding hinged unit 24, makes the seat device 2 relative to the bottom
Base device 1 is set by the flat seat of Fig. 4 to be moved to the seat that inclines of Fig. 5 and sets, and be can adjust user and is leaned on lying posture state, puts body suitably
Pine.Each preceding guiding element 225 can also move to the preceding upper end of the corresponding front guide slot 117, each rear guiding element 226 simultaneously
Also the preceding lower end of the corresponding rear guide groove 118 can be moved to, that is, the flat seat of the seat device 2 in Fig. 4 is set with Fig. 5's
When the seat that inclines moves between setting, each preceding guiding element 225 can also move between the both ends of the corresponding front guide slot 117, together
When each rear guiding element 226 can also be moved between the both ends of the corresponding rear guide groove 118.It should be noted that in use,
Also can control tilts the seat device 2 towards back lower place rotation relative to the base device 1, forward in favor of delivery user
Leave the chair tool.
It should be noted that in adjustment, the seat device 2 and the chair back device 3 can each self-adjusting, such as can be such as figure
The tilt angle of the chair back device 3 relative to the seat device 2 is only adjusted shown in 4, or only adjust the seat device 2 relative to
The elevation angle of the base device 1, naturally it is also possible to as shown in figure 5, not only adjusting the chair back device 3 relative to the seat device
2 tilt angle also adjusts the elevation angle of the seat device 2 relative to the base device 1.
It further explains, during adjustment tilts backwards the chair back device 3,4 meeting of compensating unit
It drives this to lean against the rearwardly and down glidingly rotation of unit 31, is adjustable the compensation radian gap different from user's rotation amplitude,
To meet the rotation amplitude of user's body, allow user back and head steady tilted backwards with it, without being leaned against with this
The situation of relative dislocation sliding occurs for unit 31, remains optimal contact condition between the two, does not have the uncomfortable sense of friction
Feel, need not also move body adjustment by position of lying, so the comfort faced upward when lying can be promoted.
Refering to Fig. 6, the construction of a second embodiment of the utility model chair tool is approximately identical to the first embodiment, poor
Be not: the interconnecting piece 414 of the crank 41 of each compensating unit 4 changes position, and the interconnecting piece 414 is made to move to the mark
The top of portion 411, and the shape of the connecting rod 44 is also with its change allows after this and connects the back upper place that portion 442 is located at the jib strut 441.It is logical
Cross above-mentioned change, when the chair back device 3 is by the straight position of the back of Fig. 6, when moving to the anticline position of Fig. 7, can more backward and to
Lower inclination more meets ergonomics compensation, can have more preferably using effect.
In conclusion the chair back device 3 of the utility model chair tool be provided with the compensating unit 4 with the seat device
2 connections, when use, can be compensated by the adjustment of the compensating unit 4 so that this lean against unit 31 can rearwardly and down rotation
Inclination meets ergonomics compensation, the back of user and head can be stablized and not leaned on slippingly in situ, Bu Huifa
The phenomenon that raw dislocation friction, face upward lie it is more comfortable when adjusting, so the purpose of this utility model can be reached really.
As described above, only the embodiments of the present invention, when the utility model implementation cannot be limited with this
Range, i.e., it is all according to simple equivalent changes and modifications made by the utility model claims book and description, all still belong to
The scope of the utility model.
Claims (10)
1. a kind of chair tool with back tilting compensation, includes: seat device and chair back device, the seat device include multiplying
Unit is sat, the chair back device includes positioned at the seating unit rear side and what is upwardly extended lean against unit, it is characterised in that:
Seat device further includes two interior side frames for being separately positioned on the left and right sides for taking unit；And
Chair back device further include two lean against described in connection in adjustable angle respectively the left and right sides bottom of unit with it is described interior
Compensating unit between side frame and two are respectively arranged at the interior side frame and are respectively used to drive the first of the compensating unit to drive
Moving cell, each described compensating unit have the bottom for leaning against the crank of unit described in connection, being pivotably connected the crank
The joystick of the downside of portion and the interior side frame, and it is pivotably connected the front side of the crank and the upside of the interior side frame
Connecting rod, the crank have the marking part adjacent to the rear side for taking unit；
The chair back device can lean against the straight position of back and one that unit is in vertical described in one relative to the seat device
A described lean against is moved between the sweptback anticline position of unit, and the chair back device is at the straight position of the back, each institute
The marking part for stating the crank of compensating unit is located at the rear for taking unit, and the chair back device is in the anticline
When position, the marking part of the crank of each compensating unit is rearwardly and down shifted.
2. the chair tool according to claim 1 with back tilting compensation, it is characterised in that: each described interior side frame tool
Have between the upper and lower every upper hack lever and lower hack lever, the crank of each compensating unit also has positioned at the marking part
Surface and be permanently connected it is described lean against the Fixed Division of unit, and connect positioned at the front lower place of the marking part, and swingably
The attachment of the joystick Yu first driving unit is connect, the joystick, which has, is pivotably connected the interior side frame
Shake portion under the lower hack lever, and be pivotably connected the crank the attachment on shake portion, the institute of the joystick
Angle between stating on rear side of portion of shaking and on rear side of the attachment of the crank is less than or equal to 180 °, and the chair back device is described
The angle of angle when anticline position, less than the angle of chair back device angle at the straight position of the back.
3. the chair tool according to claim 2 with back tilting compensation, it is characterised in that: each described compensating unit
The crank also there is the interconnecting piece below the marking part, the connecting rod, which has, is pivotably connected the interior side frame
The upper hack lever jib strut, and positioned at the jib strut the back lower place and be pivotably connected the connection of the crank
The rear portion, company in portion.
4. the chair tool according to claim 2 with back tilting compensation, it is characterised in that: each described compensating unit
The crank also there is the interconnecting piece above the marking part, the connecting rod, which has, is pivotably connected the interior side frame
The upper hack lever jib strut, and positioned at the jib strut back upper place and be pivotably connected the connection of the crank
The rear portion, company in portion.
5. the chair tool according to claim 3 or 4 with back tilting compensation, it is characterised in that: each described compensation
The crank of unit also has the limiting slot positioned at the back lower place of the marking part, each described interior side frame, which has, protrudes into institute
The locating part of limiting slot is stated, when the chair back device moves between back straight position and the anticline position, described in each
Two opposite ends of the limiting slot of crank also can be alternately by being butted on the locating part, for limiting the pendulum of each crank
Dynamic range.
6. the chair tool according to claim 3 or 4 with back tilting compensation, it is characterised in that: each described compensation
The connecting rod of unit have it is several be arranged at intervals the jib strut and it is described after connect connecting hole between portion, each institute
The connecting hole stated compensating unit also there is the interconnecting piece for being set to the crank and be alternatively connected to the connecting rod
Connector.
7. the chair tool according to claim 3 or 4 with back tilting compensation, it is characterised in that: each described compensation
The joystick of unit have it is several be arranged at intervals shaken on described portion and it is described under shake adjusting hole between portion, each
The tune that the compensating unit also has the attachment for being set to the crank and is alternatively connected to the joystick
The adjustment part in whole hole.
8. the chair tool according to claim 1 with back tilting compensation, it is characterised in that: the chair tool also includes pedestal
Device, the base device includes two outer side frames being respectively arranged on the outside of the interior side frame of the seat device, described
Seat device further includes two and is respectively used to for the interior side frame being pivotably connected in the hinged unit and two of the outer side frame
A to be respectively arranged at the outer side frame and may be respectively used in the second driving unit for driving the interior side frame, the seat device can
Relative to the base device centered on the hinged unit, it is in the flat seat for laying flat shape that the seating unit is made at one
It sets and one moves described take between the oblique seat that inclines of unit is set.
9. it is according to claim 8 with back tilting compensation chair tool, it is characterised in that: the base device it is each
A outer side frame has time interval, and the front guide slot extended using the hinged unit as center curved arc and rear guide groove, described
Each of seat device interior side frame has the preceding guiding element for slippingly protruding into the front guide slot, and slippingly protrudes into institute
State the rear guiding element of rear guide groove, the seat device the flat seat set with the seat that inclines set between move when, described in each
Preceding guiding element can also move between the both ends of the front guide slot, while each described rear guiding element also can be at the both ends of the rear guide groove
Between move.
10. the chair tool according to claim 9 with back tilting compensation, it is characterised in that: the base device also wraps
Include the front vehicle wheel for the front side that two are rotatablely arranged at the outer side frame respectively and two be rotatablely arranged at respectively it is described
The rear wheel of the rear side of outer side frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106210615U TWM554785U (en) | 2017-07-19 | 2017-07-19 | Chair with backrest tilt compensation |
| TW106210615 | 2017-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208726087U true CN208726087U (en) | 2019-04-12 |
Family
ID=61008709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721031250.7U Active CN208726087U (en) | 2017-07-19 | 2017-08-17 | Chair with chair back inclination compensation |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN208726087U (en) |
| GB (1) | GB2564728B (en) |
| TW (1) | TWM554785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116549230A (en) * | 2022-01-28 | 2023-08-08 | 康扬股份有限公司 | Shock absorber |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11969384B2 (en) * | 2019-03-21 | 2024-04-30 | Jennifer K. Montoya | Wheelchair with actuator controlled tilting |
| EP4087525A1 (en) * | 2020-01-07 | 2022-11-16 | In-Tra-Tec GmbH | Adjustment device for vehicle seats |
| TWI805412B (en) * | 2022-06-20 | 2023-06-11 | 光星骨科復健器材股份有限公司 | Wheelchair structure |
| DE102023136390A1 (en) * | 2023-12-21 | 2025-06-26 | Sunrise Medical HCM B.V. | Modular tilting assembly and folding wheelchair with it |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8504277D0 (en) * | 1985-02-19 | 1985-03-20 | Remploy Ltd | Reclining chairs |
| US6499163B1 (en) * | 2000-11-08 | 2002-12-31 | Harold Stensby | Apparatus convertible to a chair or treatment table |
| US7174588B1 (en) * | 2004-12-09 | 2007-02-13 | Li-Chieh Chen | Medical chair having synchronously adjusting function |
| GB0807684D0 (en) * | 2008-04-28 | 2008-06-04 | Specmat Ltd | Seat |
-
2017
- 2017-07-19 TW TW106210615U patent/TWM554785U/en unknown
- 2017-08-17 CN CN201721031250.7U patent/CN208726087U/en active Active
- 2017-12-14 GB GB1720889.3A patent/GB2564728B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116549230A (en) * | 2022-01-28 | 2023-08-08 | 康扬股份有限公司 | Shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201720889D0 (en) | 2018-01-31 |
| GB2564728A (en) | 2019-01-23 |
| GB2564728B (en) | 2019-11-27 |
| TWM554785U (en) | 2018-02-01 |
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| GR01 | Patent grant | ||
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