CN105496066A - Chair back with function of fitting to human back through curve self-regulation - Google Patents
Chair back with function of fitting to human back through curve self-regulation Download PDFInfo
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- CN105496066A CN105496066A CN201510569028.1A CN201510569028A CN105496066A CN 105496066 A CN105496066 A CN 105496066A CN 201510569028 A CN201510569028 A CN 201510569028A CN 105496066 A CN105496066 A CN 105496066A
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Abstract
The invention discloses a chair back with function of fitting to human back through curve self-regulation. The upper end of the chair back is provided with multiple vertical first framework chutes at intervals, the lower end of the chair back is provided with multiple vertical second framework chutes at intervals, a deformable spring piece connects each one of the first framework chutes and the second framework chute corresponding to the first framework chute, the upper end of the deformable spring piece slides in the first framework chute through a sliding column, the lower end of the deformable spring piece slides in the second framework chute through a sliding column, right sides of a second connection ring and a third connection ring are provided with pressure sensors, a first driving motor is bent backwards through the deformable spring pieces at the upper parts of a motor first-grade rotation rod and a motor second-grade rotation rod and a second driving motor is bent forwards through the deformable spring pieces at the lower parts of the motor first-grade rotation rod and the motor second-grade rotation rod. When a human back curve is changed at different inclined angles, according to a pressure value acquired through a pressure sensor, the chair back can automatically fit to the human back curve.
Description
Technical field
The present invention relates to a kind of chair back of seat.
Background technology
Seat is requisite article in daily life, for the crowd of frequent sitting, the comfortableness of the chair back is a very important problem always, even if but very comfortable office seating, if its chair back does not meet human body back curve, back there will be the centrostigma of pressure, and also namely back can be in the state of single-point pressurized for a long time, easily causes the various discomforts such as ache in such as back, lumbar disc disease like this when sitting.
Except massage armchair, the chair back of seat is in the market substantially all solid form, even massage armchair, also among a small circle, regular metamorphosis is just carried out to reach the effect of massage, do not make the chair back from the angle of laminating human body back curve, form the curvilinear motion of a scope.
In order to comfortableness and needs of having a rest; user usually can adjust the chair back and lean on relative to the angle of inclination of seat again; if when chair back arbitrary inclination; the chair back can both adapt to the human body back (including waist) of this arbitrary inclination by adjustment curve; greatly will disperse the pressure of human body back; back is avoided to be in the state of long-time single-point pressurized; realize comfort and human body is shielded; especially; because waist has laminating to support, the formation of lumbar disc disease can also be avoided.
Summary of the invention
The present invention is directed to above-mentioned deficiency of the prior art, provide a kind of under the chair back is relative to seat differing tilt angles can both change curve to human body back curve of fitting, greatly can disperse the pressure of human body back, avoid back be in long-time single-point pressurized state, back can be avoided to ache and self-regulation curve that lumbar disc disease is formed adapts to the chair back of human body back.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
Self-regulation curve adapts to the chair back of human body back, comprise square seat back frame, seat back frame is hinged with the seat as bench, the angle of inclination of the adjustable relative seat of seat back frame, the upper end of described seat back frame is arranged at intervals with the first framework chute of multiple vertical layout, the lower end of seat back frame is arranged at intervals with the second framework chute of multiple vertical layout, first framework chute and the second framework chute are in vertical corresponding setting, the both sides of the first framework chute and the second framework chute all offer vertical fluting, being connected with between first framework chute of vertical correspondence and the second framework chute can deformation shell fragment, both sides, the upper end level of deformation shell fragment can be fixed with the traveller that can slide up and down in the vertical fluting of the first framework chute, both sides, the lower end level of deformation shell fragment can be fixed with the traveller that can slide up and down in the vertical fluting of the second framework chute, can the upper end of deformation shell fragment slide in the first framework chute by traveller, can the lower end of deformation shell fragment slide in the second framework chute by traveller, the described chair back adjacent can be that hollow out is arranged between deformation shell fragment, middle part between the left vertical file of described seat back frame and right vertical file is fixedly connected with the shell fragment framework fixed bar of level, the medium position of deformation shell fragment can have the first connecting ring, described shell fragment framework fixed bar be located in multiple can in the first connecting ring of deformation shell fragment, the second connecting ring can be had by the medium position of deformation shell fragment between top and the first connecting ring, between the first shell fragment connecting rod be located in multiple can in the second connecting ring of deformation shell fragment, the 3rd connecting ring can be had by the medium position of deformation shell fragment between bottom and the first connecting ring, between the second shell fragment connecting rod be located in multiple can in the 3rd connecting ring of deformation shell fragment, first connecting ring upper end can deformation shell fragment form top can deformation shell fragment, first connecting ring lower end can deformation shell fragment form bottom can deformation shell fragment,
The front of described second connecting ring and the front of the 3rd connecting ring are provided with pressure sensor, what the pressure sensor in the second connecting ring front leaned against top for perception back can pressure on deformation shell fragment, and what the pressure sensor in the 3rd connecting ring front leaned against bottom for perception back can pressure on deformation shell fragment, the first drive motors is provided with in one jiao, the upper end of described seat back frame, the output shaft of the first drive motors vertically connects motor one-level dwang, the other end hinged motor secondary driven rod of the first motor one-level dwang, the other end of motor secondary driven rod is hinged with the second connecting ring near the first drive motors, the second drive motors is provided with in one jiao, the lower end of described seat back frame, the output shaft of the second drive motors vertically connects motor one-level dwang, the other end hinged motor secondary driven rod of motor one-level dwang, the other end of motor secondary driven rod is hinged with the 3rd connecting ring near the second drive motors, the motor one-level dwang that described first drive motors connects is pole, the turnover width of this pole is corresponding to the distance of second connecting ring close with it with the first drive motors, the motor one-level dwang that described second drive motors connects is pole, the turnover width of this pole is corresponding to the distance of three connecting ring close with it with the second drive motors,
Described first drive motors and the second drive motors control rotation direction and rotational angle by control circuit, control circuit makes the first drive motors drive can bending backward by deformation shell fragment of top, and make the second drive motors drive bottom can deformation shell fragment bend forward, by the pressure sensor in the second connecting ring and the 3rd connecting ring front respectively perception back lean against top can deformation shell fragment and back lean against bottom can pressure on deformation shell fragment, the rotational angle that the first drive motors and the second drive motors need is determined by these two force value comprehensive, and then make top can deformation shell fragment and bottom can form certain crooked radian respectively by deformation shell fragment, the chair back curve of back curve when such chair back leans on after just being formed and leaning against laminating human body that the pressure on the chair back is consistent with back, its middle and lower part can the protruding parts of deformation shell fragment for support waist of fitting, when seat back frame adjusts relative to the angle of inclination of seat, the angle of inclination that human body back rests on the chair back is different, human body back to top can deformation shell fragment and bottom can the pressure of deformation shell fragment also different, control circuit according to the top of pressure sensor institute perception can deformation shell fragment and bottom can the pressure of deformation shell fragment, and then automatically adjust the rotational angle of the first drive motors and the second drive motors, with make top can deformation shell fragment and bottom can deformation shell fragment formed with human body under differing tilt angles after lean on time the chair back curve that fits of back curve, described control circuit is also arranged the switch making the first drive motors and the second drive motors start and stop, for the rotational angle of user's manual adjustments first drive motors and the second drive motors, when the first drive motors turn to top can deformation shell fragment laminating human body back time, first drive motors is stopped operating, when the second drive motors turn to bottom can deformation shell fragment laminating human body back time, the second drive motors is stopped operating,
The top rail lower end of described seat back frame is arranged at intervals with multiple upper protruding block, the bottom rail upper end of seat back frame is arranged at intervals with multiple lower protruding block, upper protruding block and lower protruding block are in vertical corresponding setting, between adjacent upper protruding block, between the upper protruding block of high order end and the left vertical file of seat back frame, described first framework chute is offered between the upper protruding block of low order end and the right vertical file of seat back frame, between adjacent lower protruding block, between the lower protruding block of high order end and the left vertical file of seat back frame, described second framework chute is offered between the lower protruding block of low order end and the right vertical file of seat back frame, what the length of described first framework chute can ensure top can the maximum sliding position of deformation shell fragment its upper end under bending maximum radian, what the length of the second framework chute can ensure bottom can the maximum sliding position of deformation shell fragment its lower end under bending maximum radian, the front corner of multiple upper protruding block of upper end and multiple lower protruding blocks of lower end is all arranged in large cambered surface, with the comfortable needs of the dependence realizing human body.
Compared with prior art, beneficial effect of the present invention is:
1, control circuit makes the first drive motors drive can bending backward by deformation shell fragment of top, and make the second drive motors drive bottom can deformation shell fragment bend forward, by the pressure sensor in the second connecting ring and the 3rd connecting ring front respectively perception back lean against top can deformation shell fragment and back lean against bottom can pressure on deformation shell fragment, the rotational angle that the first drive motors and the second drive motors need is determined by these two force value comprehensive, and then make top can deformation shell fragment and bottom can form certain crooked radian respectively by deformation shell fragment, the chair back curve of back curve when such chair back leans on after just being formed and leaning against laminating human body that the pressure on the chair back is consistent with back, greatly can disperse the pressure of human body back like this, make backside pressure homogenising, back is avoided to be in the state of long-time single-point pressurized, realize comfort and back is shielded, because waist has laminating to support, waist is more comfortable thus avoid the formation of lumbar disc disease,
2, when seat back frame adjusts relative to the angle of inclination of seat, the angle of inclination that human body back rests on the chair back is different, human body back to top can deformation shell fragment and bottom can the pressure of deformation shell fragment also different, control circuit according to the top of pressure sensor institute perception can deformation shell fragment and bottom can the pressure of deformation shell fragment, the rotational angle of automatic adjustment first drive motors and the second drive motors, with make top can deformation shell fragment and bottom can deformation shell fragment formed with human body under differing tilt angles after lean on time the chair back curve that fits of back curve; Described control circuit is also arranged and makes the switch of the first drive motors and the second drive motors start and stop, for the rotational angle of user's manual adjustments first drive motors and the second drive motors.When the angle of inclination of seat back frame relative to seat adjusts, make human body when differing tilt angles lower back portion curve changes, the chair back can fit with human body back curve automatically or manually well.
Accompanying drawing explanation
Fig. 1 is the back view that self-regulation curve of the present invention adapts to the chair back of human body back;
Fig. 2 is the front view that self-regulation curve of the present invention adapts to the chair back of human body back;
Fig. 3 be of the present invention can the movement locus figure of deformation shell fragment;
Fig. 4 is the chair back of the present invention perpendicular to human body dependence figure during seat;
Fig. 5 is that the chair back of the present invention is favouring the human body dependence figure in seat situation;
Description of reference numerals: 1-seat back frame; The left vertical file of 111-; The right vertical file of 112-; 113-top rail; 114-bottom rail; 2-seat; 3-first framework chute; 31-vertically slots; 4-second framework chute; 51-first connecting ring; 52-second connecting ring; 53-the 3rd connecting ring; 54-top can deformation shell fragment; 55-bottom can deformation shell fragment; 551-protruding parts; 6-pressure sensor; 7-shell fragment framework fixed bar; Connecting rod between 8-first shell fragment; Connecting rod between 9-second shell fragment; 10-first drive motors; 11-motor one-level dwang; 12-motor secondary driven rod; 13-second drive motors; 14-upper protruding block; 15-lower protruding block.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As Fig. 1, shown in Fig. 2, self-regulation curve adapts to the chair back of human body back, comprise square seat back frame 1, seat back frame 1 is hinged with the seat 2 as bench, the angle of inclination of the adjustable relative seat 2 of seat back frame 1, the upper end of described seat back frame 1 is arranged at intervals with the first framework chute 3 of multiple vertical layout, the lower end of seat back frame 1 is arranged at intervals with the second framework chute 4 of multiple vertical layout, first framework chute 3 and the second framework chute 4 are in vertical corresponding setting, the both sides of the first framework chute 3 and the second framework chute 4 all offer vertical fluting 31, being connected with between first framework chute 3 of vertical correspondence and the second framework chute 4 can deformation shell fragment, both sides, the upper end level of deformation shell fragment can be fixed with the traveller that can slide up and down in the vertical fluting 31 of the first framework chute 3 both sides, both sides, the lower end level of deformation shell fragment can be fixed with the traveller that can slide up and down in the vertical fluting 31 of the vertical both sides of the second framework chute 4, can the upper end of deformation shell fragment slide in the first framework chute 3 by traveller, can the lower end of deformation shell fragment slide in the second framework chute 4 by traveller, the described chair back adjacent can be that hollow out is arranged between deformation shell fragment, middle part between the left vertical file 111 of described seat back frame 1 and right vertical file 112 is fixedly connected with the shell fragment framework fixed bar 7 of level, the medium position of deformation shell fragment can have the first connecting ring 51, described shell fragment framework fixed bar 7 be located in multiple can in the first connecting ring 51 of deformation shell fragment, the second connecting ring 52 can be had by the medium position of deformation shell fragment between top and the first connecting ring 51, between the first shell fragment connecting rod 8 be located in multiple can in the second connecting ring 52 of deformation shell fragment, the 3rd connecting ring 53 can be had by the medium position of deformation shell fragment between bottom and the first connecting ring 51, between the second shell fragment connecting rod 9 be located in multiple can in the 3rd connecting ring 53 of deformation shell fragment, first connecting ring 51 upper end can deformation shell fragment form top can deformation shell fragment 54, first connecting ring 51 lower end can deformation shell fragment form bottom can deformation shell fragment 55,
The front of described second connecting ring 52 and the front of the 3rd connecting ring 53 are provided with pressure sensor 6, the pressure sensor 6 in the second connecting ring 52 front for perception back lean against top can pressure on deformation shell fragment 54, the pressure sensor 6 in the 3rd connecting ring 53 front for perception back lean against bottom can pressure on deformation shell fragment 55; The first drive motors 10 is provided with in one jiao, the upper end of described seat back frame, the output shaft of the first drive motors 10 vertically connects motor one-level dwang 11, the other end hinged motor secondary driven rod 12 of motor one-level dwang 11, the other end of motor secondary driven rod 12 is hinged with the second connecting ring 52 near the first drive motors 10; The second drive motors 13 is provided with in one jiao, the lower end of described seat back frame, the output shaft of the second drive motors 13 vertically connects motor one-level dwang 11, the other end hinged motor secondary driven rod 12 of motor one-level dwang 11, the other end of motor secondary driven rod 12 is hinged with the 3rd connecting ring 53 near the second drive motors 13; The motor one-level dwang 11 that described first drive motors 10 connects is pole, the turnover width of this pole is corresponding to the distance of second connecting ring 52 close with it with the first drive motors 10, the motor one-level dwang 11 that described second drive motors 13 connects is pole, and the turnover width of this pole is corresponding to the distance of three connecting ring 53 close with it with the second drive motors 13;
Described first drive motors 12 and the second drive motors 13 control rotation direction and rotational angle by control circuit, control circuit makes the first drive motors 12 drive can bending backward by deformation shell fragment 54 of top, and make the second drive motors 13 drive bottom can deformation shell fragment 55 bend forward, by the pressure sensor 6 in the second connecting ring 52 and the 3rd connecting ring 53 front respectively perception back lean against top can deformation shell fragment 54 and back lean against bottom can pressure on deformation shell fragment 55, the rotational angle that the first drive motors 12 and the second drive motors 13 need is determined by these two force value comprehensive, and then make top can deformation shell fragment 54 and bottom can form certain crooked radian respectively by deformation shell fragment 55, the chair back curve of back curve when such chair back leans on after just being formed and leaning against laminating human body that the pressure on the chair back is consistent with back, its middle and lower part can the protruding parts 551 of deformation shell fragment 55 for support waist of fitting, when seat back frame 1 adjusts relative to the angle of inclination of seat 2, the angle of inclination that human body back rests on the chair back is different, human body back to top can deformation shell fragment 54 and bottom can the pressure of deformation shell fragment 55 also different, control circuit according to the top of pressure sensor 6 perception can deformation shell fragment 54 and bottom can the pressure of deformation shell fragment 55, and then automatically adjust the rotational angle of the first drive motors 10 and the second drive motors 11, with make top can deformation shell fragment 54 and bottom can deformation shell fragment 55 formed with human body under differing tilt angles after lean on time the chair back curve that fits of back curve, described control circuit is also arranged the switch making the first drive motors 12 and the second drive motors 13 start and stop, for the rotational angle of user's manual adjustments first drive motors 12 and the second drive motors 13, when the first drive motors 12 turn to top can deformation shell fragment 54 fit human body back time, first drive motors 12 is stopped operating, when the second drive motors 13 turn to bottom can deformation shell fragment 55 fit human body back time, the second drive motors 13 is stopped operating, the chair back perpendicular to during seat human body lean on figure as shown in Figure 4, the chair back is favouring the human body dependence figure in seat situation as shown in Figure 5,
Why pressure sensor 6 is arranged on the second connecting ring 52 and the 3rd connecting ring 53 place, be because the second connecting ring 52 place be perception top can deformation shell fragment 54 bear the fine position of pressure, and the 3rd connecting ring 53 place be perception bottom can deformation shell fragment 55 bear the fine position of pressure, determine top can deformation shell fragment 54 bear pressure and bottom can deformation shell fragment 55 bear pressure after, better determine top can deformation shell fragment 54 and bottom can the crooked radian that needs respectively of deformation shell fragment 55, to fit with back curve;
Usually, what the first drive motors 12 drove top can the central angle corresponding to minimum bend radian of deformation shell fragment 54 be 60 degree, what the second drive motors 13 drove bottom the central angle corresponding to minimum bend radian of deformation shell fragment 55 also can be 60 degree, for top can deformation shell fragment 54, the central angle θ corresponding to its crooked radian is as shown in Figure 3;
Top rail 113 lower end of described seat back frame 1 is arranged at intervals with multiple upper protruding block 14, bottom rail 114 upper end of seat back frame 1 is arranged at intervals with multiple lower protruding block 15, upper protruding block 14 and lower protruding block 15 are in vertical corresponding setting, between described adjacent upper protruding block 14, between the upper protruding block 14 of high order end and the left vertical file 111 of seat back frame 1, described first framework chute 3 is offered between the upper protruding block 14 of low order end and the right vertical file 112 of seat back frame 1, between described adjacent lower protruding block 15, between the lower protruding block 15 of high order end and the left vertical file of seat back frame 1, described second framework chute 4 is offered between the lower protruding block 15 of low order end and the right vertical file of seat back frame 1, what the length of described first framework chute 3 can ensure top can the maximum sliding position of deformation shell fragment 54 its upper end under bending maximum angle, what the length of the second framework chute 4 can ensure bottom can the maximum sliding position of deformation shell fragment 55 its lower end under bending maximum angle, the front corner of multiple upper protruding blocks 14 of upper end and multiple lower protruding blocks 15 of lower end is all arranged in large cambered surface, with the comfortable needs of the dependence realizing human body.
In the present embodiment, the upper end of described seat back frame 1 is arranged at intervals with four the first framework chutes 3 vertically arranged, the lower end of seat back frame 1 is arranged at intervals with four the second framework chutes 4 vertically arranged, being connected with between the first corresponding framework chute 3 and the second framework chute 4 can deformation shell fragment, can have four by deformation shell fragment, adjacent can arrange between deformation shell fragment at equal intervals.
Particularly, top rail 113 lower end of described seat back frame 1 is provided with three upper protruding blocks 14 at equal intervals, bottom rail 114 upper end of seat back frame 1 is provided with three lower protruding blocks 15 at equal intervals, upper protruding block 14 and lower protruding block 15 are in vertical corresponding setting, between described adjacent upper protruding block 14, between the upper protruding block 14 of high order end and the left vertical file of seat back frame 1, described first framework chute 3 is offered between the upper protruding block 14 of low order end and the right vertical file of seat back frame 1, between described adjacent lower protruding block 15, between the lower protruding block 15 of high order end and the left vertical file 111 of seat back frame 1, described second framework chute 4 is offered between the lower protruding block 15 of low order end and the right vertical file 112 of seat back frame 1, so the first framework chute 3 and the second corresponding framework chute 4 have four respectively, being connected with between corresponding the first framework chute 3 of arranging and the second framework chute 4 can deformation shell fragment, so can also have four by deformation shell fragment.
From the back eyes front of the chair back, in the upper left corner of described seat back frame 1, card is established and is fixed with the first drive motors 10, and in the lower left corner of described seat back frame 1, card is established and is fixed with the second drive motors 13.
Fig. 3 be of the present invention can the movement locus figure of deformation shell fragment, represented by dotted arrows can the initial position of deformation shell fragment, solid line representative can largest deformation position after shell fragment distorted movement, in figure, left end is upper end, right-hand member is lower end, when initial position, first drive motors 10 is rotated counterclockwise, can bending backward by deformation shell fragment 54 of top is driven by motor one-level dwang 11 and motor secondary driven rod 12, second drive motors 13 is rotated counterclockwise simultaneously, by motor one-level dwang 11 and motor secondary driven rod 12 drive bottom can deformation shell fragment 55 bend forward, can the fixation of shell fragment framework fixed bar 7 in the first connecting ring 51 in the middle part of deformation shell fragment and seat back frame 1 owing to being located in, can the upper end of deformation shell fragment by traveller slide downward in the first framework chute 3, can the lower end of deformation shell fragment by traveller upward sliding in the second framework chute 4, achieve can deformation shell fragment by the transition of initial position to largest deformation position.When can deformation shell fragment return initial position by largest deformation position time, first drive motors 10 and the second drive motors 13 all clockwise movement, by the effect of motor one-level dwang 11 and motor secondary driven rod 12, make top can deformation shell fragment 54 and bottom can return to initial position by deformation shell fragment 55 reverse movement.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. self-regulation curve adapts to the chair back of human body back, comprise square seat back frame, seat back frame is hinged with the seat as bench, the angle of inclination of the adjustable relative seat of seat back frame, it is characterized in that: the upper end of described seat back frame is arranged at intervals with the first framework chute of multiple vertical layout, the lower end of seat back frame is arranged at intervals with the second framework chute of multiple vertical layout, first framework chute and the second framework chute are in vertical corresponding setting, the both sides of the first framework chute and the second framework chute all offer vertical fluting, being connected with between first framework chute of vertical correspondence and the second framework chute can deformation shell fragment, both sides, the upper end level of deformation shell fragment can be fixed with the traveller that can slide up and down in the vertical fluting of the first framework chute, both sides, the lower end level of deformation shell fragment can be fixed with the traveller that can slide up and down in the vertical fluting of the second framework chute, can the upper end of deformation shell fragment slide in the first framework chute by traveller, can the lower end of deformation shell fragment slide in the second framework chute by traveller, the described chair back adjacent can be that hollow out is arranged between deformation shell fragment, middle part between the left vertical file of described seat back frame and right vertical file is fixedly connected with the shell fragment framework fixed bar of level, the medium position of deformation shell fragment can have the first connecting ring, described shell fragment framework fixed bar be located in multiple can in the first connecting ring of deformation shell fragment, the second connecting ring can be had by the medium position of deformation shell fragment between top and the first connecting ring, between the first shell fragment connecting rod be located in multiple can in the second connecting ring of deformation shell fragment, the 3rd connecting ring can be had by the medium position of deformation shell fragment between bottom and the first connecting ring, between the second shell fragment connecting rod be located in multiple can in the 3rd connecting ring of deformation shell fragment, first connecting ring upper end can deformation shell fragment form top can deformation shell fragment, first connecting ring lower end can deformation shell fragment form bottom can deformation shell fragment,
The front of described second connecting ring and the front of the 3rd connecting ring are provided with pressure sensor, what the pressure sensor in the second connecting ring front leaned against top for perception back can pressure on deformation shell fragment, and what the pressure sensor in the 3rd connecting ring front leaned against bottom for perception back can pressure on deformation shell fragment, the first drive motors is provided with in one jiao, the upper end of described seat back frame, the output shaft of the first drive motors vertically connects motor one-level dwang, the other end hinged motor secondary driven rod of the first motor one-level dwang, the other end of motor secondary driven rod is hinged with the second connecting ring near the first drive motors, the second drive motors is provided with in one jiao, the lower end of described seat back frame, the output shaft of the second drive motors vertically connects motor one-level dwang, the other end hinged motor secondary driven rod of motor one-level dwang, the other end of motor secondary driven rod is hinged with the 3rd connecting ring near the second drive motors, the motor one-level dwang that described first drive motors connects is pole, the turnover width of this pole is corresponding to the distance of second connecting ring close with it with the first drive motors, the motor one-level dwang that described second drive motors connects is pole, the turnover width of this pole is corresponding to the distance of three connecting ring close with it with the second drive motors,
Described first drive motors and the second drive motors control rotation direction and rotational angle by control circuit, control circuit makes the first drive motors drive can bending backward by deformation shell fragment of top, and make the second drive motors drive bottom can deformation shell fragment bend forward, by the pressure sensor in the second connecting ring and the 3rd connecting ring front respectively perception back lean against top can deformation shell fragment and back lean against bottom can pressure on deformation shell fragment, the rotational angle that the first drive motors and the second drive motors need is determined by these two force value comprehensive, and then make top can deformation shell fragment and bottom can form certain crooked radian respectively by deformation shell fragment, the chair back curve of back curve when such chair back leans on after just being formed and leaning against laminating human body that the pressure on the chair back is consistent with back, its middle and lower part can the protruding parts of deformation shell fragment for support waist of fitting, when seat back frame adjusts relative to the angle of inclination of seat, the angle of inclination that human body back rests on the chair back is different, human body back to top can deformation shell fragment and bottom can the pressure of deformation shell fragment also different, control circuit according to the top of pressure sensor institute perception can deformation shell fragment and bottom can the pressure of deformation shell fragment, and then automatically adjust the rotational angle of the first drive motors and the second drive motors, with make top can deformation shell fragment and bottom can deformation shell fragment formed with human body under differing tilt angles after lean on time the chair back curve that fits of back curve, described control circuit is also arranged the switch making the first drive motors and the second drive motors start and stop, for the rotational angle of user's manual adjustments first drive motors and the second drive motors, when the first drive motors turn to top can deformation shell fragment laminating human body back time, first drive motors is stopped operating, when the second drive motors turn to bottom can deformation shell fragment laminating human body back time, the second drive motors is stopped operating,
The top rail lower end of described seat back frame is arranged at intervals with multiple upper protruding block, the bottom rail upper end of seat back frame is arranged at intervals with multiple lower protruding block, upper protruding block and lower protruding block are in vertical corresponding setting, between adjacent upper protruding block, between the upper protruding block of high order end and the left vertical file of seat back frame, described first framework chute is offered between the upper protruding block of low order end and the right vertical file of seat back frame, between adjacent lower protruding block, between the lower protruding block of high order end and the left vertical file of seat back frame, described second framework chute is offered between the lower protruding block of low order end and the right vertical file of seat back frame, what the length of described first framework chute can ensure top can the maximum sliding position of deformation shell fragment its upper end under bending maximum radian, what the length of the second framework chute can ensure bottom can the maximum sliding position of deformation shell fragment its lower end under bending maximum radian, the front corner of multiple upper protruding block of upper end and multiple lower protruding blocks of lower end is all arranged in large cambered surface, with the comfortable needs of the dependence realizing human body.
2. self-regulation curve as claimed in claim 1 adapts to the chair back of human body back, it is characterized in that: the top rail lower end of described seat back frame is provided with three upper protruding blocks at equal intervals, the bottom rail upper end of seat back frame is provided with three lower protruding blocks at equal intervals, between adjacent upper protruding block, between the upper protruding block of high order end and the left vertical file of seat back frame, described first framework chute is offered between the upper protruding block of low order end and the right vertical file of seat back frame, between adjacent lower protruding block, between the lower protruding block of high order end and the left vertical file of seat back frame, described second framework chute is offered between the lower protruding block of low order end and the right vertical file of seat back frame, so the first framework chute and the second framework chute have four respectively, being connected with between corresponding the first framework chute of arranging and the second framework chute can deformation shell fragment, so can also have four by deformation shell fragment.
3. self-regulation curve as claimed in claim 1 or 2 adapts to the chair back of human body back, it is characterized in that: from back eyes front, in the upper left corner of described seat back frame, card is established and is fixed with the first drive motors, and in the lower left corner of described seat back frame, card is established and is fixed with the second drive motors.
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| CN201510569028.1A CN105496066B (en) | 2015-09-09 | 2015-09-09 | Self-regulated pitch curve adapts to the chair back of human body back |
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| CN201510569028.1A CN105496066B (en) | 2015-09-09 | 2015-09-09 | Self-regulated pitch curve adapts to the chair back of human body back |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106693204A (en) * | 2016-12-21 | 2017-05-24 | 佛山市盛云电器实业有限公司 | Illumination instrument with face induction function |
| CN106781936A (en) * | 2016-12-27 | 2017-05-31 | 上海宝瓶建筑装饰工程有限公司 | Mirror imaging principle exhibiting device |
| CN108056863A (en) * | 2017-12-19 | 2018-05-22 | 江阴市新盛医疗器材设备有限公司 | Integral type curve chair |
| CN109199734A (en) * | 2018-10-29 | 2019-01-15 | 南京铁道职业技术学院 | A kind of nursing adjustable inclination angle back-rest means for chair |
| CN109259493A (en) * | 2018-11-26 | 2019-01-25 | 泉州家世比家具有限公司 | A kind of correct sitting posture maintenance intelligent chair of self-adapting type |
| CN112603688A (en) * | 2020-12-22 | 2021-04-06 | 阳谷县中医院 | Special sick bed of recovered after-operation for internal medicine patient |
| CN112790977A (en) * | 2020-12-30 | 2021-05-14 | 万恩琦 | Intelligence moxa-moxibustion chair |
| WO2023207260A1 (en) * | 2022-04-26 | 2023-11-02 | 吴颖卓 | New backpack support strip and connecting joint assembly therefor |
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| WO1994000039A1 (en) * | 1992-06-26 | 1994-01-06 | Ameu-Management Corp. | Curving device, especially for seat backs |
| CN2724519Y (en) * | 2004-06-15 | 2005-09-14 | 晨兴企业股份有限公司 | Back cushion of chair able to regulate its curve automatically |
| CN102180110A (en) * | 2011-04-13 | 2011-09-14 | 杨宇 | Seat with adjustable backrest curvature |
| CN102631093A (en) * | 2011-02-11 | 2012-08-15 | 许汉忠 | Seat |
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| US5026116A (en) * | 1987-10-16 | 1991-06-25 | Fiat Auto S.P.A. | Adjustable backrest for the seats of vehicles, particularly cars |
| CN1051664A (en) * | 1989-08-04 | 1991-05-29 | 老维廉姆·斯切斯特 | Arching mechanism |
| WO1994000039A1 (en) * | 1992-06-26 | 1994-01-06 | Ameu-Management Corp. | Curving device, especially for seat backs |
| CN2724519Y (en) * | 2004-06-15 | 2005-09-14 | 晨兴企业股份有限公司 | Back cushion of chair able to regulate its curve automatically |
| CN102631093A (en) * | 2011-02-11 | 2012-08-15 | 许汉忠 | Seat |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693204A (en) * | 2016-12-21 | 2017-05-24 | 佛山市盛云电器实业有限公司 | Illumination instrument with face induction function |
| CN106781936A (en) * | 2016-12-27 | 2017-05-31 | 上海宝瓶建筑装饰工程有限公司 | Mirror imaging principle exhibiting device |
| CN108056863A (en) * | 2017-12-19 | 2018-05-22 | 江阴市新盛医疗器材设备有限公司 | Integral type curve chair |
| CN109199734A (en) * | 2018-10-29 | 2019-01-15 | 南京铁道职业技术学院 | A kind of nursing adjustable inclination angle back-rest means for chair |
| CN109259493A (en) * | 2018-11-26 | 2019-01-25 | 泉州家世比家具有限公司 | A kind of correct sitting posture maintenance intelligent chair of self-adapting type |
| CN112603688A (en) * | 2020-12-22 | 2021-04-06 | 阳谷县中医院 | Special sick bed of recovered after-operation for internal medicine patient |
| CN112603688B (en) * | 2020-12-22 | 2021-09-21 | 阳谷县中医院 | Special sick bed of recovered after-operation for internal medicine patient |
| CN112790977A (en) * | 2020-12-30 | 2021-05-14 | 万恩琦 | Intelligence moxa-moxibustion chair |
| WO2023207260A1 (en) * | 2022-04-26 | 2023-11-02 | 吴颖卓 | New backpack support strip and connecting joint assembly therefor |
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|---|---|
| CN105496066B (en) | 2018-02-13 |
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