CN109700220A - A kind of backrest inclination angle adjustable seat - Google Patents
A kind of backrest inclination angle adjustable seat Download PDFInfo
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- CN109700220A CN109700220A CN201910182334.8A CN201910182334A CN109700220A CN 109700220 A CN109700220 A CN 109700220A CN 201910182334 A CN201910182334 A CN 201910182334A CN 109700220 A CN109700220 A CN 109700220A
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- Prior art keywords
- idler wheel
- adjusting rod
- backrest
- rod
- activity
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- 230000000694 effects Effects 0.000 claims abstract description 62
- 238000009434 installation Methods 0.000 claims abstract description 29
- 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 26
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000036541 health Effects 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention provides a kind of backrest inclination angle adjustable seat applied to mechanical the technical field of the seat, Chain cushion (1) rear portion of the backrest inclination angle adjustable seat is connect with backrest (4) lower end hinges, each installation activity axis (6) of backrest (4) left and right side, each movable axis (6) outer end is installed by connecting rod (7), connecting rod (7) upper end is installed by limited roller (8), connecting rod (7) lower end is installed by limited roller (8), adjusting rod (11) before telescopic rod (10) front end of the extensible member (9) of armrest part (5) rear end installation is installed, idler wheel (12) are adjusted before preceding adjusting rod (11) upper end installation, idler wheel (12) are adjusted before preceding adjusting rod (11) lower end installation, backrest inclination angle adjustable seat of the invention, it convenient and efficient can adjust Backrest inclination angle is saved, and the adjusting of backrest frequent progress tilt angle is not easy seat damage problem occur, and frequency of maintenance is effectively reduced, improves service life.
Description
Technical field
The invention belongs to mechanical the technical field of the seat, are that be related to a kind of backrest inclination angle adjustable more specifically
Seat.
Background technique
Office seating is a kind of currently used extensive office appliance.Since problems faced of currently handling official business is, when office
Between it is long, lead to physical fatigue, and requirement of the people to health and comfort is also continuously improved.Therefore, there have been backrests
Tilt angle and cushion tilt angle can be with the office seatings of angular adjustment.But backrest inclination angle in the prior art and
Cushion tilt angle can be with the office seating of angular adjustment or structure is complicated or is easy for damaging after a period of use,
Service life is low.Especially latter problem seriously affects people's demand.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the deficiencies of the prior art, it is simple to provide a kind of structure, Neng Goufang
Just backrest inclination angle is fast adjusted, and the adjusting of backrest frequent progress tilt angle is not easy seat damage problem occur, has
Effect reduces frequency of maintenance, improves service life, and seat is adjusted in the backrest inclination angle for meeting people's health and comfort requirement
Chair.
Solve the problems, such as techniques discussed above, the technical scheme adopted by the invention is as follows:
The present invention is a kind of backrest inclination angle adjustable seat, and the backrest inclination angle adjustable seat includes seat
Cushion, seat base, the Chain cushion lower surface are connect with seat base, and multiple movements are arranged in seat base bottom
Backrest is arranged in wheel, Chain cushion rear portion, and Chain cushion rear portion is connect with backrest lower end hinges, the seat
Cushion left and right side respectively installs an armrest part, and a movable axis, each work are respectively installed in backrest left side and right side
Connecting rod is installed in the activity of moving axis outer end, and a limited roller is installed in the activity of connecting rod upper end, and activity installation in connecting rod lower end is another
A limited roller, each armrest part back end activity install extensible member, the telescopic rod front end activity installation one of each extensible member
A preceding adjusting rod, each preceding adjusting rod upper end adjust idler wheel before installing one, and tune before another is installed in each preceding adjusting rod lower end
Idler wheel, adjusting rod after the telescopic rod middle-end activity of each extensible member installs one are saved, each rear adjusting rod upper end installs one
After adjust idler wheel, rear adjusting rod lower end adjusts idler wheel after installing another, adjusts idler wheel before each and is located at a limited roller one
Side position adjusts idler wheel after each and is located at an another side position of limited roller, and extensible member is stretched with that can control extensible member
The control unit of contracting connects.
The armrest portion includes left handrail portion and right handrail portion, the extensible member include left extensible member and
Right extensible member, left extensible member are movably arranged on left handrail portion back-end location, and right extensible member is movably arranged on right handrail portion
Back-end location.
The backrest left lateral sides install a movable axis, and connecting rod, connecting rod are installed in the activity of movable axis outer end
A limited roller is installed in upper end activity, another limited roller is installed in the activity of connecting rod lower end, the installation of left handrail portion rear end
A preceding adjusting rod is installed in the telescopic rod front end activity of left telescopic cylinder, and preceding adjusting rod upper end adjusts idler wheel before installing one, preceding
Adjusting rod lower end installs and adjusts idler wheel before another, adjusting rod after the telescopic rod middle-end activity of left telescopic cylinder installs one, after
Adjusting rod upper end adjusts idler wheel after installing one, rear adjusting rod lower end adjusts idler wheel after installing another, adjusts idler wheel before each
Positioned at one side position of limited roller, idler wheel is adjusted after each and is located at an another side position of limited roller, the left side is stretched
The contracting cylinder control unit flexible with the telescopic rod that can control left extensible member is connect.
A movable axis is installed in side on the right side of the backrest, and connecting rod, connecting rod are installed in the activity of movable axis outer end
A limited roller is installed in upper end activity, another limited roller is installed in the activity of connecting rod lower end, the installation of right handrail portion rear end
A preceding adjusting rod is installed in the telescopic rod front end activity of right telescopic cylinder, and preceding adjusting rod upper end adjusts idler wheel before installing one, preceding
Adjusting rod lower end installs and adjusts idler wheel before another, adjusting rod after the telescopic rod middle-end activity of right telescopic cylinder installs one, after
Adjusting rod upper end adjusts idler wheel after installing one, rear adjusting rod lower end adjusts idler wheel after installing another, adjusts idler wheel before each
Positioned at one side position of limited roller, idler wheel is adjusted after each and is located at an another side position of limited roller, the right side is stretched
The contracting cylinder control unit flexible with the telescopic rod that can control right extensible member is connect.
The seat base includes pedestal support column, pedestal movable stand, installs multiple movable pulleys, seat on pedestal movable stand
The cylindric spacing collar of the cushion lower component lower surface installation of cushion, pedestal upper end of support column are sleeved in spacing collar, pedestal
Multiple pit parts are arranged in upper end of support column end face, and a ball is placed in activity in each pit part, act against cushion on the upside of ball
Lower component lower surface, is arranged bearing between spacing collar and pedestal support column, backrest lower end is connect with upper module back 7.
The pedestal movable stand includes movable stand ontology and branch bar, this body side surface of movable stand is along this body side surface of movable stand
The multiple branch bars by isogonism gap arrangement of setting in one week, each branch bar are disposed as the arcuate structure bent downward, each
Branch bar lower end is installed by one movable pulley.
Using technical solution of the present invention, can obtain it is below the utility model has the advantages that
Backrest inclination angle adjustable seat of the present invention, due between Chain cushion rear portion and backrest rear portion
Articulate connection, therefore, when being not affected by other component constraint between backrest and Chain cushion, backrest can phase
For free overturning.And structure of the invention, exactly in order to realize the constraint to backrest relative to Chain cushion, so that seat
After the front and back inclination angle of chair back is moved to position, it is at stationary state, meets different users to seat tilt angle not
With needs.Above structure, by the way that shaft is arranged in backrest upper side, and activity installation connecting rod in shaft, in connecting rod
Two limited rollers that can be freely rotated relative to connecting rod are installed.And armrest part is set on Chain cushion, it is set on armrest part
Telescopic cylinder is set, preceding adjusting rod and rear adjusting rod are installed in activity on telescopic cylinder, idler wheel is adjusted before installation two on preceding adjusting rod,
Idler wheel is adjusted after installing two on adjusting rod afterwards.And key point is limited roller and the preceding cloth for adjusting idler wheel and rear adjusting idler wheel
Set relationship.The telescopic rod of telescopic cylinder from above shaft connecting rod and the activity of backrest side pass through, connecting rod realize pair
The limit of telescopic rod.And idler wheel realization is adjusted after each preceding adjusting idler wheel and one, one limited roller is clamped.In this way, needing
When adjusting back tilt angle, the flexible of telescopic cylinder is controlled by control unit, telescopic rod is mobile, and telescopic rod is mobile
When, the horizontal position of preceding adjusting rod and rear adjusting rod is moved, and in gas ammonia adjusting rod and rear adjusting rod moving process, energy
It enough clamping and limited roller is driven to move horizontally, limited roller moves horizontally, and it will drive backrest and overturn relative to Chain cushion,
To realize hypsokinesis or before face upward.And in realizing seat back positions change procedure, the limited roller above shaft and shaft is real
The constraint for swinging up and down range of existing telescopic rod is contacted with limited roller always so that adjusting idler wheel, without departing from.And flexible gas
Hinge connects between cylinder and armrest part, in this way, the cylinder body of telescopic cylinder also can be according to flexible in telescopic rod telescopic process
The movement of bar and swung in a certain range, to realize flexible connection, meet and adjust requirement.Backrest angle of the present invention
Spend adjustable seat, can convenient and efficient adjusting backrest inclination angle, and backrest frequent progress tilt angle adjusting be not easy
There is seat and damage problem, frequency of maintenance is effectively reduced, improves service life, meets people's health and comfort requirement.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is the structural schematic diagram of backrest inclination angle adjustable seat of the present invention；
Attached drawing acceptance of the bid note is respectively as follows: 1, Chain cushion；2, seat base；3, movable pulley；4, backrest；5, armrest part；
6, movable axis；7, connecting rod；8, limited roller；9, extensible member；10, telescopic rod；11, preceding adjusting rod；12, preceding adjusting idler wheel；
13, rear adjusting rod；14, idler wheel is adjusted afterwards；15, pedestal support column；16, pedestal movable stand；17, spacing collar；18, pit part；19,
Ball；20, bearing；21, control unit；22, movable stand ontology；23, branch bar.
Specific embodiment
Below against attached drawing, by the description of the embodiment, to for example related each structure of a specific embodiment of the invention
The works such as the shape of part, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle are further
Detailed description:
As shown in Fig. 1, the present invention is a kind of backrest inclination angle adjustable seat, and the backrest inclination angle is adjustable
Saving seat includes Chain cushion 1, seat base 2, and 1 lower surface of Chain cushion is connect with seat base 2, seat base 2
Multiple movable pulleys 3 are arranged in bottom, and backrest 4 is arranged in 1 rear portion of Chain cushion, and 1 rear portion of Chain cushion and 4 lower end of backrest are living
Dynamic hinge connection, 1 left and right side of Chain cushion respectively install an armrest part 5,4 left side of backrest and right side
Connecting rod 7 is installed in respectively one movable axis 6 of installation, each 6 outer end activity of movable axis, and a limit is installed in 7 upper end activity of connecting rod
Another limited roller 8 is installed in idler wheel 8,7 lower end activity of connecting rod, and each 5 back end activity of armrest part installs extensible member 9, often
A preceding adjusting rod 11 is installed in the 10 front end activity of telescopic rod of a extensible member 9, before each preceding 11 upper end of adjusting rod installs one
Adjust idler wheel 12, it is each before 11 lower end of adjusting rod install and adjust idler wheel 12 before another, in the telescopic rod 10 of each extensible member 9
Adjusting rod 13 after end activity installs one, it is each after 13 upper end of adjusting rod install one after adjust idler wheel 14, under rear adjusting rod 13
Another rear adjusting idler wheel 14 of end installation, adjusts idler wheel 12 before each and is located at 8 one side position of limited roller, each rear to adjust
Idler wheel 14 is located at an another side position of limited roller 8, the control unit flexible with that can control extensible member 9 of extensible member 9
21 connections.Above structure, since articulate connects between Chain cushion rear portion and backrest rear portion, leaned in seat
When being not affected by other component constraint between back and Chain cushion, backrest can be relative to free overturning.And knot of the invention
Structure, exactly in order to realize the constraint to backrest relative to Chain cushion, so that the front and back inclination angle of backrest is moved to position
Afterwards, it is at stationary state, meets different users to the different needs of seat tilt angle.Above structure, by present
Shaft is arranged in chair back upper side, and activity installation connecting rod in shaft, and installation can be relative to connecting rod freedom in connecting rod
Two limited rollers of rotation.And armrest part is set on Chain cushion, telescopic cylinder, activity on telescopic cylinder are set on armrest part
Preceding adjusting rod and rear adjusting rod are installed, idler wheel is adjusted on preceding adjusting rod before installation two, is adjusted after installation two on rear adjusting rod
Idler wheel.And key point is limited roller and the preceding arrangement relation for adjusting idler wheel and rear adjusting idler wheel.The telescopic rod of telescopic cylinder
From above shaft connecting rod and the activity of backrest side pass through, connecting rod realizes limit to telescopic rod.And each preceding tune
Adjusting idler wheel realization clamps a limited roller after saving idler wheel and one.As such, it is desirable to lead to when adjusting back tilt angle
Cross control unit control telescopic cylinder it is flexible (control unit and telescopic cylinder are all mature technologies in the prior art, as long as
Can be realized flexible cylinder can directly apply), telescopic rod is mobile, and when telescopic rod movement, preceding adjusting rod and rear adjusting rod
Horizontal position move, and in gas ammonia adjusting rod and rear adjusting rod moving process, can clamp and drive limited roller water
Translation is dynamic, and limited roller moves horizontally, and will drive backrest and overturns relative to Chain cushion, thus realize hypsokinesis or before face upward.
And in realizing seat back positions change procedure, what limited roller above shaft and shaft realized telescopic rod swings up and down model
The constraint enclosed is contacted with limited roller always so that adjusting idler wheel, without departing from.And hinge connects between telescopic cylinder and armrest part
It connects, in this way, the cylinder body of telescopic cylinder can be put according to the movement of telescopic rod in a certain range in telescopic rod telescopic process
It is dynamic, to realize flexible connection, meets and adjust requirement.Backrest inclination angle adjustable seat of the present invention, structure is simple,
Can convenient and efficient adjusting backrest inclination angle, and the adjusting of backrest frequent progress tilt angle is not easy to occur seat damage and asks
Topic, is effectively reduced frequency of maintenance, improves service life, meet people's health and comfort requirement.
The armrest portion 5 includes left handrail portion and right handrail portion, and the extensible member 9 includes left extensible member
With right extensible member, left extensible member is movably arranged on left handrail portion back-end location, and right extensible member is movably arranged on right handrail
Portion's back-end location.
4 left lateral sides of backrest install a movable axis 6, and connecting rod 7 is installed in 6 outer end activity of movable axis, even
A limited roller 8 is installed in 7 upper end activity of extension bar, another limited roller 8 is installed in 7 lower end activity of connecting rod, behind left handrail portion
Hold the 10 front end activity of telescopic rod of the left telescopic cylinder of installation that one preceding adjusting rod 11 is installed, preceding 11 upper end of adjusting rod installs one
Preceding adjusting idler wheel 12, preceding 11 lower end of adjusting rod adjust idler wheel 12 before installing another, and 10 middle-end of telescopic rod of left telescopic cylinder is living
Adjusting rod 13 after dynamic installation one, rear 13 upper end of adjusting rod adjust idler wheel 14 after installing one, rear 13 lower end of adjusting rod installation is another
Idler wheel 14 is adjusted after one, idler wheel 12 is adjusted before each and is located at 8 one side position of limited roller, adjusts 14, idler wheel after each
In an another side position of limited roller 8, the left telescopic cylinder and the telescopic rod 10 that can control left extensible member are flexible
Control unit 21 connect.
A movable axis 6 is installed in the 4 right side side of backrest, and connecting rod 7 is installed in 6 outer end activity of movable axis, even
A limited roller 8 is installed in 7 upper end activity of extension bar, another limited roller 8 is installed in 7 lower end activity of connecting rod, behind right handrail portion
Hold the 10 front end activity of telescopic rod of the right telescopic cylinder of installation that one preceding adjusting rod 11 is installed, preceding 11 upper end of adjusting rod installs one
Preceding adjusting idler wheel 12, preceding 11 lower end of adjusting rod adjust idler wheel 12 before installing another, and 10 middle-end of telescopic rod of right telescopic cylinder is living
Adjusting rod 13 after dynamic installation one, rear 13 upper end of adjusting rod adjust idler wheel 14 after installing one, rear 13 lower end of adjusting rod installation is another
Idler wheel 14 is adjusted after one, idler wheel 12 is adjusted before each and is located at 8 one side position of limited roller, adjusts 14, idler wheel after each
In an another side position of limited roller 8, the right telescopic cylinder and the telescopic rod 10 that can control right extensible member are flexible
Control unit 21 connect.
The seat base 2 includes pedestal support column 15, pedestal movable stand 16, installs multiple shiftings on pedestal movable stand 16
Driving wheel 3, the cylindric spacing collar 17 of 6 lower surface of the cushion lower component installation of Chain cushion 1,15 upper end of pedestal support column is sleeved on
In spacing collar 17, multiple pit parts 18 are arranged in 15 upper end end face of pedestal support column, and a rolling is placed in activity in each pit part 18
Pearl 19 acts against 6 lower surface of cushion lower component on the upside of ball 19, and bearing 20 is arranged between spacing collar 17 and pedestal support column 15,
4 lower end of backrest is connect with upper module back 7.Above structure can be realized seat on the ground random by movable pulley
It is mobile.And spacing collar and the cooperation of pedestal support column, realize the two connection and limit.Moreover, Chain cushion can be relative to pedestal
Support column rotation.And the cooperation of pit part and ball, realize support of the pedestal support column to the vertical direction of cushion seat bottom,
And the two is contacted by ball, is rotated frequently in Chain cushion or when load-bearing, be can be effectively reduced friction, reduces and wear, mention
High life.
The pedestal movable stand 16 includes movable stand ontology 22 and branch bar 23, and 22 side of movable stand ontology is along movable stand
The multiple branch bars 23 by isogonism gap arrangement of the setting of 22 side of ontology one week, what each branch bar 23 was disposed as bending downward
A movable pulley 3 is installed in arcuate structure, each 23 lower end of branch bar.Above structure, branch bar are arranged three or more, realize the bottom of to
The gentle support of seat movable stand, when using seat convenient for user, seat will not topple over.
Backrest inclination angle adjustable seat of the present invention, due between Chain cushion rear portion and backrest rear portion
Articulate connection, therefore, when being not affected by other component constraint between backrest and Chain cushion, backrest can phase
For free overturning.And structure of the invention, exactly in order to realize the constraint to backrest relative to Chain cushion, so that seat
After the front and back inclination angle of chair back is moved to position, it is at stationary state, meets different users to seat tilt angle not
With needs.Above structure, by the way that shaft is arranged in backrest upper side, and activity installation connecting rod in shaft, in connecting rod
Two limited rollers that can be freely rotated relative to connecting rod are installed.And armrest part is set on Chain cushion, it is set on armrest part
Telescopic cylinder is set, preceding adjusting rod and rear adjusting rod are installed in activity on telescopic cylinder, idler wheel is adjusted before installation two on preceding adjusting rod,
Idler wheel is adjusted after installing two on adjusting rod afterwards.And key point is limited roller and the preceding cloth for adjusting idler wheel and rear adjusting idler wheel
Set relationship.The telescopic rod of telescopic cylinder from above shaft connecting rod and the activity of backrest side pass through, connecting rod realize pair
The limit of telescopic rod.And idler wheel realization is adjusted after each preceding adjusting idler wheel and one, one limited roller is clamped.In this way, needing
When adjusting back tilt angle, the flexible of telescopic cylinder is controlled by control unit, telescopic rod is mobile, and telescopic rod is mobile
When, the horizontal position of preceding adjusting rod and rear adjusting rod is moved, and in gas ammonia adjusting rod and rear adjusting rod moving process, energy
It enough clamping and limited roller is driven to move horizontally, limited roller moves horizontally, and it will drive backrest and overturn relative to Chain cushion,
To realize hypsokinesis or before face upward.And in realizing seat back positions change procedure, the limited roller above shaft and shaft is real
The constraint for swinging up and down range of existing telescopic rod is contacted with limited roller always so that adjusting idler wheel, without departing from.And flexible gas
Hinge connects between cylinder and armrest part, in this way, the cylinder body of telescopic cylinder also can be according to flexible in telescopic rod telescopic process
The movement of bar and swung in a certain range, to realize flexible connection, meet and adjust requirement.Backrest angle of the present invention
Spend adjustable seat, can convenient and efficient adjusting backrest inclination angle, and backrest frequent progress tilt angle adjusting be not easy
There is seat and damage problem, frequency of maintenance is effectively reduced, improves service life, meets people's health and comfort requirement.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved by this
The conception and technical scheme of invention directly apply to other occasions, are within the scope of the invention.
Claims (6)
1. a kind of backrest inclination angle adjustable seat, it is characterised in that: the backrest inclination angle adjustable seat includes
Chain cushion (1), seat base (2), the Chain cushion (1) lower surface are connect with seat base (2), seat base (2)
Multiple movable pulleys (3) are arranged in bottom, and backrest (4) are arranged in Chain cushion (1) rear portion, and Chain cushion (1) rear portion is leaned on seat
The connection of (4) lower end hinges is carried on the back, the Chain cushion (1) left and right side respectively installs an armrest part (5), backrest
(4) movable axis (6) is respectively installed in left side and right side, and connecting rod (7) are installed in each movable axis (6) outer end activity, connection
A limited roller (8) is installed in bar (7) upper end activity, another limited roller (8) is installed in connecting rod (7) lower end activity, each
Armrest part (5) back end activity installs extensible member (9), and telescopic rod (10) the front end activity of each extensible member (9) installs one
Preceding adjusting rod (11), each preceding adjusting rod (11) upper end adjusts idler wheel (12) before installing one, each preceding adjusting rod (11) lower end
Idler wheel (12) are adjusted before another is installed, adjusting rod after telescopic rod (10) the middle-end activity of each extensible member (9) installs one
(13), each rear adjusting rod (13) upper end adjusts idler wheel (14) after installing one, after another is installed in rear adjusting rod (13) lower end
It adjusts idler wheel (14), adjusts idler wheel (12) before each and be located at (8) one side position of limited roller, adjust idler wheel (14) after each
Positioned at an another side position of limited roller (8), extensible member (9) control unit flexible with extensible member (9) can be controlled
(21) it connects.
2. backrest inclination angle adjustable seat according to claim 1, it is characterised in that: the armrest portion
It (5) include left handrail portion and right handrail portion, the extensible member (9) includes left extensible member and right extensible member, and a left side is flexible
Component activity is mounted on left handrail portion back-end location, and right extensible member is movably arranged on right handrail portion back-end location.
3. backrest inclination angle adjustable seat according to claim 1 or 2, it is characterised in that: the backrest
(4) left lateral sides install a movable axis (6), and connecting rod (7) are installed in movable axis (6) outer end activity, the activity of connecting rod (7) upper end
One limited roller (8) is installed, another limited roller (8) is installed in connecting rod (7) lower end activity, the installation of left handrail portion rear end
A preceding adjusting rod (11) is installed in telescopic rod (10) the front end activity of left telescopic cylinder, before preceding adjusting rod (11) upper end installs one
It adjusts idler wheel (12), preceding adjusting rod (11) lower end adjusts idler wheel (12) before installing another, the telescopic rod (10) of left telescopic cylinder
Adjusting rod (13) after middle-end activity installs one, rear adjusting rod (13) upper end adjust idler wheel (14) after installing one, rear adjusting rod
(13) lower end adjusts idler wheel (14) after installing another, and idler wheel (12) are adjusted before each and are located at limited roller (8) side position
Set, idler wheel (14) adjusted after each and are located at an another side position of limited roller (8), the left telescopic cylinder with can control
Flexible control unit (21) connection of the telescopic rod (10) of left extensible member.
4. backrest inclination angle adjustable seat according to claim 1 or 2, it is characterised in that: the backrest
(4) movable axis (6) is installed in right side side, and connecting rod (7) are installed in movable axis (6) outer end activity, the activity of connecting rod (7) upper end
One limited roller (8) is installed, another limited roller (8) is installed in connecting rod (7) lower end activity, the installation of right handrail portion rear end
A preceding adjusting rod (11) is installed in telescopic rod (10) the front end activity of right telescopic cylinder, before preceding adjusting rod (11) upper end installs one
It adjusts idler wheel (12), preceding adjusting rod (11) lower end adjusts idler wheel (12) before installing another, the telescopic rod (10) of right telescopic cylinder
Adjusting rod (13) after middle-end activity installs one, rear adjusting rod (13) upper end adjust idler wheel (14) after installing one, rear adjusting rod
(13) lower end adjusts idler wheel (14) after installing another, and idler wheel (12) are adjusted before each and are located at limited roller (8) side position
Set, idler wheel (14) adjusted after each and are located at an another side position of limited roller (8), the right telescopic cylinder with can control
Flexible control unit (21) connection of the telescopic rod (10) of right extensible member.
5. backrest inclination angle adjustable seat according to claim 1 or 2, it is characterised in that: the seat base
(2) include pedestal support column (15), pedestal movable stand (16), installed multiple movable pulleys (3) on pedestal movable stand (16), seat is sat
The cylindric spacing collar (17) of cushion lower component (6) the lower surface installation of (1) is padded, pedestal support column (15) upper end is sleeved on limit
It encloses in (17), multiple pit parts (18) are arranged in pedestal support column (15) upper end end face, and activity places one in each pit part (18)
A ball (19), acts against cushion lower component (6) lower surface on the upside of ball (19), spacing collar (17) and pedestal support column (15) it
Between be arranged bearing (20), backrest (4) lower end is connect with upper module back (7).
6. backrest inclination angle adjustable seat according to claim 5, it is characterised in that: the pedestal movable stand
It (16) include movable stand ontology (22) and branch bar (23), movable stand ontology (22) side was along movable stand ontology (22) side one week
Multiple branch bars (23) arranged by isogonism gap are set, each branch bar (23) is disposed as the arcuate structure bent downward,
Each branch bar (23) lower end is installed by one movable pulley (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182334.8A CN109700220A (en) | 2019-03-11 | 2019-03-11 | A kind of backrest inclination angle adjustable seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182334.8A CN109700220A (en) | 2019-03-11 | 2019-03-11 | A kind of backrest inclination angle adjustable seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109700220A true CN109700220A (en) | 2019-05-03 |
Family
ID=66265761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910182334.8A Withdrawn CN109700220A (en) | 2019-03-11 | 2019-03-11 | A kind of backrest inclination angle adjustable seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109700220A (en) |
-
2019
- 2019-03-11 CN CN201910182334.8A patent/CN109700220A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190503 |
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| WW01 | Invention patent application withdrawn after publication |