CN202820374U - Automatic lifting health care chair capable of adjusting backrest - Google Patents
Automatic lifting health care chair capable of adjusting backrest Download PDFInfo
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- CN202820374U CN202820374U CN 201220513017 CN201220513017U CN202820374U CN 202820374 U CN202820374 U CN 202820374U CN 201220513017 CN201220513017 CN 201220513017 CN 201220513017 U CN201220513017 U CN 201220513017U CN 202820374 U CN202820374 U CN 202820374U
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Abstract
The utility model discloses an automatic lifting health care chair capable of adjusting a backrest. The automatic lifting health care chair comprises a chair seat and a backrest, as well as a hydraulic or pneumatic lifting rod and a lifting device, wherein the lifting device comprises a lifting part for driving the chair seat to ascend or descend and a fixing part, the lifting part is fixedly connected with the chair seat, and the lifting part is movably connected with the fixing part; and one end of the hydraulic or pneumatic lifting rod is in rotating connection with the fixing part, and the other end of the hydraulic or pneumatic lifting rod is in rotation connection with the chair seat and fixedly connected with the backrest. The automatic lifting health care chair disclosed by the utility model can enable the chair seat to make ascending or descending motion by adopting the structure, and the backrest can be simultaneously adjusted front and back. Therefore, during the using process, cervical fatigue and visual fatigue of a user can be regulated, the motion of the lumbar vertebra can be simultaneously realized, and a regulation and health care effect can be realized against the lumbar vertebra.
Description
Technical field
The utility model relates to a kind of chair, particularly relates to a kind of automatic up-down health care chair of adjustable backrest.
Background technology
Chair is one of articles for use indispensable during we live, and it generally comprises seat support, backrest and support leg structure, mainly divides two types of fixed and adjustable-heights, height-adjustable chair mainly be for make various different heights be fit to per capita use.Yet, no matter prior art is the chair of which kind of type, its height and backrest generally be fixing or adjusting after be in fixing state, the crowd who causes easily long-time sitting to be bent over the desk, such as office crowd, student group etc. because of long-term sitting, adds that long-term sitting posture is bad and suffers from various common diseases, such as protrusion of lumber intervertebral disc, cervical spondylopathy etc., thus had a strong impact on life.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of automatic up-down health care chair of adjustable backrest is provided, and its front and back adjustment that utilizes the automatic lifting of seat support and backrest is played regulating action to people's cervical vertebra, eyesight, lumbar vertebrae.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of automatic up-down health care chair of adjustable backrest comprises seat support and backrest; Also comprise hydraulic pressure or pressure liftable bar and lowering or hoisting gear, lowering or hoisting gear comprises lifting unit and the fixed part that rises or descend for driving seat support, and the top of lifting unit is fixedly connected with seat support, and lifting unit and fixed part are flexibly connected; One end of hydraulic pressure or pressure liftable bar and fixed part are and are rotationally connected, and the other end of hydraulic pressure or pressure liftable bar and seat support are and are rotationally connected, and are with backrest and are fixedly connected with.
Described lifting unit comprises that one has the lifting cover of internal thread, and the top of this lifting cover connects described seat support; Described fixed part comprises fixed cover, screw rod, motor and control module; The lifting cover can be set in the fixed cover up or down, and screw rod is installed in the fixed cover rotationally, and cooperates with the internal thread phase spiral of lifting cover, and this screw rod is rotated by motor-driven, and motor is driven by control module; One end of described hydraulic pressure or pressure liftable bar is with fixed cover or motor and is rotationally connected.
Described control module comprises for described lifting cover being carried out spacing up stroke limit switch and down stroke limit switch, being used for driver module, supply module and the control module of drive motors work; Up stroke limit switch and down stroke limit switch are installed on respectively top and the bottom of described fixed cover, the output of this up stroke limit switch and down stroke limit switch is connected to respectively the input of control module, control module is powered by supply module, the output of this control module is connected to driver module, and motor is connected with supply module by driver module.
Described driver module comprises a relay, and this relay has at least two group contacts, and each is organized the contact and comprises respectively a movable contact and two stationary contacts; Described motor is one, and is either-rotation motor; The output of described control module is connected to the coil input end of this relay, two movable contacts of wherein two groups of contacts of this relay are connected with power cathode with the positive source of supply module respectively, four stationary contact interconnections of two groups of contacts of this of this relay, and two stationary contacts of the wherein one group of contact in these two groups of contacts of this relay are connected with the power-input with the power supply positive input terminal of described motor respectively.
Described driver module comprises two relays, and these two relays have respectively at least one group of contact, and every group of contact comprises a movable contact, a normally opened contact and a normally-closed contact; Described motor is one, and is either-rotation motor; The output of described control module is connected to the coil input end of two relays, the movable contact of wherein one group of contact of two relays is connected with power cathode with the positive source of supply module respectively, wherein the normally opened contact of this group contact of a relay is connected with the power-input with the power supply positive input terminal of described motor respectively with normally-closed contact, and the normally opened contact of this group contact of another relay is connected with the power supply positive input terminal with the power-input of described motor respectively with normally-closed contact.
Described driver module comprises a relay, and this relay has at least one group of contact, and every group of contact comprises two stationary contacts of a movable contact; Described motor is two, and direction of rotation; The output of described control module is connected to the coil input end of relay, the wherein movable contact of one group of contact of relay is connected to the positive source of supply module, the power supply positive input terminal of two motors is connected with two stationary contacts of this group contact of relay respectively, and the power-input of two motors is connected with the power cathode of supply module respectively.
Described control module comprises NE555 chip, the first electric capacity, the second electric capacity, the first resistance, the second resistance, the 3rd resistance and the 4th resistance; Described supply module comprises chargeable battery and charging inlet thereof; One end of described up stroke limit switch is by the 2nd pin of the 4th resistance connection NE555 chip, and the other end of described up stroke limit switch is connected with the positive pole of chargeable battery, the 8th pin of NE555 chip respectively; The positive pole of chargeable battery and negative pole consist of respectively positive source and the power cathode of described supply module, and the positive pole of this chargeable battery is connected to the 4th pin of NE555 chip, the minus earth of chargeable battery; The 8th pin of one termination NE555 chip of described down stroke limit switch, the other end of described down stroke limit switch are connected to the 6th pin of NE555 chip by the second resistance; The 5th pin of NE555 chip is by the first capacity earth, and the 6th pin of NE555 chip is also by the first resistance eutral grounding; The second electric capacity and the 3rd resistance are connected in parallel between the 2nd pin and ground end of NE555 chip; The 1st pin ground connection of NE555 chip; The 3rd pin of NE555 chip is connected to a wherein coil input end of described relay, another coil input end ground connection of described relay.
The outer wall of described lifting cover is along vertically being provided with spacing raised line, and described fixed cover is provided with the limit sliding chutes suitable with this spacing raised line, and spacing raised line sliding sleeve rotates to limit described lifting cover in limit sliding chutes.
Also comprise handrail and connecting rod, the rear end of handrail and described backrest are and are rotationally connected, and the front portion of this handrail is by connecting rod and described backrest and is rotationally connected.
Also comprise support leg structure and speed-changing gear box, the rotating shaft of described motor is connected with described screw rod by speed-changing gear box; Support leg structure is positioned at the below of described seat support, and speed-changing gear box, described screw rod, fixed cover, motor, driver module, control module and supply module are installed on respectively this support leg structure.
The automatic up-down health care chair of a kind of adjustable backrest of the present utility model, when the people is sitting on the seat support, and after making its back rely on backrest, make driven by motor lifting cover repeat to realize that the action of rising and descending drives seat support automatic-ascending or decline by control module, people's head and eyes are all moved with this seat support, play regulating action with this cervical vertebra fatigue and asthenopia to the people, also make people's lumbar vertebrae obtain motion simultaneously, lumbar vertebrae is played the adjusting health-care effect.In addition, when seat support rose, hydraulic pressure or pressure liftable bar were in elongation state, and backrest is in than the place ahead, and when seat support descended, hydraulic pressure or pressure liftable bar were in the shortening state, and backrest is in than the rear.So, backrest can be adjusted front and back, the waist of both having strengthened the user is movable, has also strengthened the adjustable range of user's eyesight.
The beneficial effects of the utility model are, owing to adopt hydraulic pressure or pressure liftable bar and lowering or hoisting gear, utilizing lowering or hoisting gear to drive seat support realizes rising or descending, utilize hydraulic pressure or pressure liftable bar to realize adjusting before and after the backrest, so that the utility model can make people's head and eyes all move with seat support, tired and asthenopia plays regulating action to cervical vertebra of people with this, and the while also makes the motion that strengthened of people's lumbar vertebrae, and lumbar vertebrae is played the adjusting health-care effect; Because lowering or hoisting gear adopts electronic mode to control seat support automatic-ascending and decline, not only make the user in use more comfortable, and have that control is convenient, control highly can be not different because of user's individual weight differential, be not easy the characteristics such as damage.
Below in conjunction with drawings and Examples the utility model is described in further detail; But the automatic up-down health care chair of a kind of adjustable backrest of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the theory diagram of Electric Machine Control part of the present utility model;
Fig. 3 is the circuit connection diagram that the utility model is corresponding among Fig. 2;
Fig. 4 is view of the present utility model.
The specific embodiment
Embodiment sees also Fig. 1-shown in Figure 3, and the automatic up-down health care chair of a kind of adjustable backrest of the present utility model comprises seat support 1, backrest 11, handrail 12, support leg structure 13 and connecting rod 14, hydraulic pressure or pressure liftable bar 15 and lowering or hoisting gear.The rear end of handrail 12 rotates with backrest 11 and is connected, and the front portion of handrail 12 rotates with seat support 1 by connecting rod 14 and is connected, that is, the two ends of connecting rod 14 are with handrail 12 and seat support 1 respectively and are rotationally connected; Support leg structure 13 is connected by many supporting legs and forms, and wheel also is equipped with in the bottom of every supporting leg.Lowering or hoisting gear comprises lifting unit and the fixed part that rises or descend for driving seat support, and the top of lifting unit is fixedly connected with seat support 1, and lifting unit and fixed part are flexibly connected; Fixed part is installed on the support leg structure 13; One end of hydraulic pressure or pressure liftable bar 15 and fixed part are and are rotationally connected, and the other end of hydraulic pressure or pressure liftable bar 15 and seat support 1 are and are rotationally connected, and are with backrest 11 and are fixedly connected with.
As a kind of preferred, above-mentioned lowering or hoisting gear is electronic control formula, and its lifting unit comprises lifting cover 3, the inwall of this lifting cover 3 all or the part have internal thread, the top of this lifting cover 3 connects seat support 1; Fixed part comprises fixed cover 5, screw rod 4, motor 2 and the control module that rotates for restriction lifting cover 3; Solid-state cover 5 is fixedly installed on the above-mentioned support leg structure 13, lifting cover 3 can be along vertically being set in up or down in the fixed cover 5, screw rod 4 is rotatably installed in the fixed cover 5, and cooperate with the internal thread phase spiral of this lifting cover 3, this screw rod 4 drives rotation by motor 2, and motor 2 is driven by control module; One end of above-mentioned hydraulic pressure or pressure liftable bar 15 and fixed cover 5(or motor 2) be and be rotationally connected.Here, the internal thread of lifting cover 3 also can not be that lifting cover itself is intrinsic, but fixedly mounts the device with internal thread, for example swivel nut in the inboard of lifting cover.In order to make fixed cover 5 can keep 3 edges of lifting cover vertically mobile, the utility model specifically vertically arranges spacing raised line 31 on the outer wall edge of lifting cover 3, at fixed cover 5 limit sliding chutes 51 suitable with this spacing raised line 31 is set, make spacing raised line 31 sliding sleeves in limit sliding chutes 51, can limit lifting cover 3 and rotate.Except this, can also adopt other structure to limit lifting cover 3 and rotate, for example, can make the cross section of lifting cover 3 and fixed cover 5 be respectively non-circular shape, so, lifting cover 3 be set in hard-wired fixed cover 5 interior after, can limit lifting cover 3 and rotate.
Above-mentioned lifting cover also can adopt other structure to replace, and for example, adopts swivel nut, at this moment, can adopt connecting rod to be connected with seat support this swivel nut, the internal thread of this swivel nut is cooperated with the external screw thread phase spiral of screw rod, can move up and down by screw rod band movable snail sleeve, rise or descend thereby drive seat support.
As a kind of preferred, as shown in Figure 2, above-mentioned control module comprises for the lifting cover being carried out spacing up stroke limit switch 6 and down stroke limit switch 7, being used for driver module 9, supply module 10 and the control module 8 of drive motors work; Up stroke limit switch 6 and down stroke limit switch 7 are installed on respectively top and the bottom of above-mentioned fixed cover 5, the output of this up stroke limit switch 6 and down stroke limit switch 7 is connected to respectively the input of control module 8, control module 8 is by supply module 10 power supplies, the output of this control module 8 is connected to driver module 9, and motor 2 is connected with supply module 10 by driver module 9.
Specifically, as shown in Figure 3, above-mentioned driver module 9 comprises a relay J 1, this relay J 1 has two groups of contacts (certainly, also can have two groups of above contacts), each is organized the contact and comprises respectively a movable contact and two stationary contacts, is respectively normally opened contact and normally-closed contact.Said motor 2 is one, and this motor 2 is either-rotation motor.Two movable contact a, the d of this relay J 1 is connected with power cathode with the positive source of supply module respectively, four stationary contact interconnections of this relay J 1 (namely, wherein one group of normally opened contact b of this relay J 1 is connected with the normally-closed contact f of another group contact, the normally-closed contact c of wherein one group of contact of this relay J 1 is connected with the normally opened contact e of another group contact), two stationary contacts (that is, normally opened contact e and normally-closed contact f) in wherein one group of contact of this relay J 1 are connected with the power-input with the power supply positive input terminal of motor 2 respectively.
Above-mentioned driver module 9 also can adopt other form, for example, above-mentioned driver module 9 also can comprise two relays, and these two relays have respectively one group of contact (certainly, also can have one group of above contact), this group contact comprises a movable contact, a normally opened contact and a normally-closed contact.At this moment, said motor is one, and is either-rotation motor; The movable contact of two relays is connected with power cathode with the positive source of supply module respectively, wherein the normally opened contact of a relay is connected with the power-input with the power supply positive input terminal of motor respectively with normally-closed contact, and the normally opened contact of another relay is connected with the power supply positive input terminal with the power-input of motor respectively with normally-closed contact.
Perhaps, above-mentioned driver module 9 also can include only a relay, and this relay has one group of contact (certainly, also can have one group of above contact), this group contact comprises having a movable contact and two stationary contacts, is respectively the normally opened contact normally-closed contact.At this moment, said motor is two, and direction of rotation; The movable contact of this relay is connected to the positive source of supply module, and the power supply positive input terminal of two motors is connected with two stationary contacts of relay respectively, and the power-input of two motors is connected with the power cathode of supply module respectively.Between these two motors and above-mentioned screw rod, increase reversing arrangement, and two motors are oppositely dallied, can drive respectively above-mentioned screw rod by these two motors and rotate and reverse.
Perhaps, above-mentioned driver module 9 also can adopt contactor to realize.
As a kind of preferred, above-mentioned control module 8 comprises NE555 chip IC 1, the first capacitor C 1, the first resistance R 1, the second resistance R 2, the second capacitor C 2, the 3rd resistance R 3 and the 4th resistance R 4; Supply module comprises the charging inlet E2 of chargeable battery E1, chargeable battery.One end of up stroke limit switch 6 is by the 2nd pin of the 4th resistance R 4 connection NE555 chip IC 1, and the other end of up stroke limit switch 6 is connected with the positive pole of chargeable battery E1, the 8th pin of NE555 chip IC 1 respectively; The positive pole of chargeable battery E1 and negative pole consist of respectively positive source and the power cathode of supply module 10, and the positive pole of this chargeable battery E1 is connected to the 4th pin of NE555 chip IC 1, the minus earth of chargeable battery E1; The 8th pin of one termination NE555 chip IC 1 of down stroke limit switch 7, the other end of down stroke limit switch 7 are connected to the 6th pin of NE555 chip IC 1 by the second resistance R 2; The 5th pin of NE555 chip IC 1 is by the first capacitor C 1 ground connection, and the 6th pin of NE555 chip IC 1 is also by the first resistance R 1 ground connection; The second capacitor C 2 and the 3rd resistance R 3 are connected in parallel between the 2nd pin and ground end of NE555 chip IC 1; The 1st pin ground connection of NE555 chip IC 1; The 3rd pin of NE555 chip IC 1 is connected to a wherein coil input end of above-mentioned relay J 1, another coil input end ground connection of above-mentioned relay J 1.
As a kind of preferred, the utility model also comprises the speed-changing gear box 21 that is installed on the above-mentioned support leg structure, and the rotating shaft of motor 2 is connected with screw rod 4 by this speed-changing gear box 21.
Said motor 2, this driver module 9 of driver module 9(specifically are installed on the circuit board of control module 8 correspondences), supply module 10 and control module 8 be installed on respectively on the above-mentioned support leg structure.
The automatic up-down health care chair of a kind of adjustable backrest of the present utility model, its lowering or hoisting gear also can adopt other structure except adopting electric control structure realizes, and for example mechanical control structure realizes.
The automatic up-down health care chair of a kind of adjustable backrest of the present utility model, NE555 chip IC 1 and peripheral circuit thereof consist of bistable circuit, the 1st pin of this NE555 chip IC 1 is earth terminal, the 2nd pin is trigger end, and the 3rd pin is output, and the 4th pin is reset terminal, the 5th pin is the control voltage end, the 6th pin is the replacement keyed end, and the 7th pin is discharge end, and the 8th pin is power voltage terminal.Seat support of the present utility model comprises decline process and uphill process, when seat support descends, screw rod 4 drives lifting cover 3 and moves down under the driving of motor 2, when 3 declines of lifting cover put in place, down stroke limit switch 7 disconnected, and makes the voltage drop of the 6th pin of NE555 chip IC 1, the voltage of the 3rd pin of NE555 chip IC 1 rises, thereby two movable contact a, d making relay J 1 respectively normally opened contact b, the e with corresponding are closed, then motor 2 commutations, and drive liftings cover 3 by screw rod 4 and rise; Down stroke limit switch 7 resets.When 3 risings of lifting cover put in place, up stroke limit switch 6 closures, the voltage of the 2nd pin of NE555 chip IC 1 is risen, the voltage drop of the 3rd pin of NE555 chip IC 1, thereby two movable contact a, d making relay J 1 respectively normally-closed contact c, the f with corresponding are closed, then motor 2 commutations, and by 3 declines of screw rod 4 drive lifting covers; Up stroke limit switch 6 resets.Repetitive cycling like this, the utility model can drive seat support and finish the automatic lifting process.
The automatic up-down health care chair of a kind of adjustable backrest of the present utility model, when seat support 1 rises, hydraulic pressure or pressure liftable bar 15 be and then gradually elongation also, and be inclined upwardly gradually, because the other end and the seat support 1 of hydraulic pressure or pressure liftable bar 15 are the relation of being rotationally connected, and be the relation of being fixedly connected with (be between hydraulic pressure or pressure liftable bar 15 and the backrest 11 angle immobilize) with backrest 11, thereby, when at this moment, this hydraulic pressure or pressure liftable bar 15 will drive backrest 11 and raise gradually also to moving than the place ahead; When seat support 1 rising put in place, backrest 11 also raise and puts in place, and this backrest 11 is in the position than the place ahead simultaneously; As shown in Figure 4, when seat support 1 rising put in place, backrest 11 was vertical state, and handrail 12 is the level of state, and connecting rod 14 is vertical state.
When seat support 1 descended, hydraulic pressure or pressure liftable bar 15 also and then shortened gradually, and downward-sloping gradually, thus when driving backrest 11 and descend gradually also to moving than the rear; As shown in Figure 4, seat support 1 ＇, backrest 11 ＇, handrail 12 ＇, connecting rod 14 ＇, hydraulic pressure or pressure liftable bar 15 ＇ respectively residing state are the seat support corresponding state when putting in place that descends, namely, at this moment, seat support 1 ＇ drops to lowermost end, and backrest 11 ＇ also descend and put in place, and retreat, handrail 12 ＇ are in level, and connecting rod 14 ＇ also recede, and hydraulic pressure or pressure liftable bar 15 ＇ are in the shortening state.So, backrest 11 can be adjusted front and back, the waist of both having strengthened the user is movable, has also strengthened the adjustable range of user's eyesight.
The automatic up-down health care chair of a kind of adjustable backrest of the present utility model, when the people is sitting on the seat support, and after making its back rely on backrest, drive the lifting cover by control module, motor, screw rod etc. and realize rising and the action that descends, thereby drive seat support automatic-ascending or decline, adjust before and after driving backrest, people's head and eyes are all moved with this seat support, play regulating action with this cervical vertebra fatigue and asthenopia to the people, also make simultaneously people's lumbar vertebrae obtain motion, lumbar vertebrae is played the adjusting health-care effect.
Above-described embodiment only is used for further specifying the automatic up-down health care chair of a kind of adjustable backrest of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (10)
1. the automatic up-down health care chair of an adjustable backrest comprises seat support and backrest; It is characterized in that: also comprise hydraulic pressure or pressure liftable bar and lowering or hoisting gear, lowering or hoisting gear comprises lifting unit and the fixed part that rises or descend for driving seat support, and the top of lifting unit is fixedly connected with seat support, and lifting unit and fixed part are flexibly connected; One end of hydraulic pressure or pressure liftable bar and fixed part are and are rotationally connected, and the other end of hydraulic pressure or pressure liftable bar and seat support are and are rotationally connected, and are with backrest and are fixedly connected with.
2. the automatic up-down health care chair of adjustable backrest according to claim 1, it is characterized in that: described lifting unit comprises that one has the lifting cover of internal thread, the top of this lifting cover connects described seat support; Described fixed part comprises fixed cover, screw rod, motor and control module; The lifting cover can be set in the fixed cover up or down, and screw rod is rotatably installed in the fixed cover, and cooperates with the internal thread phase spiral of lifting cover, and this screw rod is rotated by motor-driven, and motor is driven by control module; One end of described hydraulic pressure or pressure liftable bar is with fixed cover or motor and is rotationally connected.
3. the automatic up-down health care chair of adjustable backrest according to claim 2 is characterized in that: described control module comprises for described lifting cover being carried out spacing up stroke limit switch and down stroke limit switch, being used for driver module, supply module and the control module of drive motors work; Up stroke limit switch and down stroke limit switch are installed on respectively top and the bottom of described fixed cover, the output of this up stroke limit switch and down stroke limit switch is connected to respectively the input of control module, control module is powered by supply module, the output of this control module is connected to driver module, and motor is connected with supply module by driver module.
4. the automatic up-down health care chair of adjustable backrest according to claim 3, it is characterized in that: described driver module comprises a relay, and this relay has at least two group contacts, and each is organized the contact and comprises respectively a movable contact and two stationary contacts; Described motor is one, and is either-rotation motor; The output of described control module is connected to the coil input end of this relay, the movable contact of wherein two groups of contacts of this relay is connected with power cathode with the positive source of supply module respectively, four stationary contact interconnections of two groups of contacts of this of this relay, and two stationary contacts of the wherein one group of contact in these two groups of contacts of this relay are connected with the power-input with the power supply positive input terminal of described motor respectively.
5. the automatic up-down health care chair of adjustable backrest according to claim 3, it is characterized in that: described driver module comprises two relays, these two relays have respectively at least one group of contact, and every group of contact comprises a movable contact, a normally opened contact and a normally-closed contact; Described motor is one, and is either-rotation motor; The output of described control module is connected to the coil input end of two relays, the movable contact of wherein one group of contact of two relays is connected with power cathode with the positive source of supply module respectively, wherein the normally opened contact of this group contact of a relay is connected with the power-input with the power supply positive input terminal of described motor respectively with normally-closed contact, and the normally opened contact of this group contact of another relay is connected with the power supply positive input terminal with the power-input of described motor respectively with normally-closed contact.
6. the automatic up-down health care chair of adjustable backrest according to claim 3, it is characterized in that: described driver module comprises a relay, and this relay has at least one group of contact, every group of contact comprises a movable contact and two stationary contacts; Described motor is two, and direction of rotation; The output of described control module is connected to the coil input end of relay, the wherein movable contact of one group of contact of relay is connected to the positive source of supply module, the power supply positive input terminal of two motors is connected with two stationary contacts of this group contact of relay respectively, and the power-input of two motors is connected with the power cathode of supply module respectively.
7. the automatic up-down health care chair of each described adjustable backrest according to claim 4-6 is characterized in that: described control module comprises NE555 chip, the first electric capacity, the second electric capacity, the first resistance, the second resistance, the 3rd resistance and the 4th resistance; Described supply module comprises chargeable battery and charging inlet thereof; One end of described up stroke limit switch is by the 2nd pin of the 4th resistance connection NE555 chip, and the other end of described up stroke limit switch is connected with the positive pole of chargeable battery, the 8th pin of NE555 chip respectively; The positive pole of chargeable battery and negative pole consist of respectively positive source and the power cathode of described supply module, and the positive pole of this chargeable battery is connected to the 4th pin of NE555 chip, the minus earth of chargeable battery; The 8th pin of one termination NE555 chip of described down stroke limit switch, the other end of described down stroke limit switch are connected to the 6th pin of NE555 chip by the second resistance; The 5th pin of NE555 chip is by the first capacity earth, and the 6th pin of NE555 chip is also by the first resistance eutral grounding; The second electric capacity and the 3rd resistance are connected in parallel between the 2nd pin and ground end of NE555 chip; The 1st pin ground connection of NE555 chip; The 3rd pin of NE555 chip is connected to a wherein coil input end of described relay, another coil input end ground connection of described relay.
8. the automatic up-down health care chair of adjustable backrest according to claim 2, it is characterized in that: the outer wall of described lifting cover is along vertically being provided with spacing raised line, described fixed cover is provided with the limit sliding chutes suitable with this spacing raised line, spacing raised line sliding sleeve rotates to limit described lifting cover in limit sliding chutes.
9. the automatic up-down health care chair of adjustable backrest according to claim 1 is characterized in that: also comprise handrail and connecting rod, the rear end of handrail and described backrest are and are rotationally connected, and the front portion of this handrail is by connecting rod and described backrest and is rotationally connected.
10. the automatic up-down health care chair of adjustable backrest according to claim 3, it is characterized in that: also comprise support leg structure and speed-changing gear box, the rotating shaft of described motor is connected with described screw rod by speed-changing gear box; Support leg structure is positioned at the below of described seat support, and speed-changing gear box, described screw rod, fixed cover, motor, driver module, control module and supply module are installed on respectively this support leg structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513017 CN202820374U (en) | 2012-10-08 | 2012-10-08 | Automatic lifting health care chair capable of adjusting backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513017 CN202820374U (en) | 2012-10-08 | 2012-10-08 | Automatic lifting health care chair capable of adjusting backrest |
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| Publication Number | Publication Date |
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| CN202820374U true CN202820374U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220513017 Expired - Fee Related CN202820374U (en) | 2012-10-08 | 2012-10-08 | Automatic lifting health care chair capable of adjusting backrest |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103777646A (en) * | 2014-01-28 | 2014-05-07 | 太仓市康辉科技发展有限公司 | System and method for controlling bathing chair |
| CN105902026A (en) * | 2016-06-02 | 2016-08-31 | 海宁海派家具有限公司 | High durable gear sofa |
| CN106923538A (en) * | 2017-04-25 | 2017-07-07 | 安徽斌欣电子科技有限公司 | A kind of adjustable chair lift |
| CN107668941A (en) * | 2017-09-29 | 2018-02-09 | 石涵琦 | A kind of correcting chair for students |
| CN108669887A (en) * | 2018-06-19 | 2018-10-19 | 佛山舒宜添科技有限公司 | A kind of intelligent modularized honeycomb couch |
| CN111150250A (en) * | 2020-01-14 | 2020-05-15 | 山东光明园迪儿童家具科技有限公司 | Internet of things lifting posture correcting chair control system |
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2012
- 2012-10-08 CN CN 201220513017 patent/CN202820374U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777646A (en) * | 2014-01-28 | 2014-05-07 | 太仓市康辉科技发展有限公司 | System and method for controlling bathing chair |
| CN105902026A (en) * | 2016-06-02 | 2016-08-31 | 海宁海派家具有限公司 | High durable gear sofa |
| CN106923538A (en) * | 2017-04-25 | 2017-07-07 | 安徽斌欣电子科技有限公司 | A kind of adjustable chair lift |
| CN107668941A (en) * | 2017-09-29 | 2018-02-09 | 石涵琦 | A kind of correcting chair for students |
| CN108669887A (en) * | 2018-06-19 | 2018-10-19 | 佛山舒宜添科技有限公司 | A kind of intelligent modularized honeycomb couch |
| CN111150250A (en) * | 2020-01-14 | 2020-05-15 | 山东光明园迪儿童家具科技有限公司 | Internet of things lifting posture correcting chair control system |
| CN111150250B (en) * | 2020-01-14 | 2024-02-27 | 山东光明园迪儿童家具科技有限公司 | Control system of lifting posture correcting chair of Internet of things |
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