CN202820157U - Health care desk with automatically changed inclined angle - Google Patents

Health care desk with automatically changed inclined angle Download PDF

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Publication number
CN202820157U
CN202820157U CN 201220513105 CN201220513105U CN202820157U CN 202820157 U CN202820157 U CN 202820157U CN 201220513105 CN201220513105 CN 201220513105 CN 201220513105 U CN201220513105 U CN 201220513105U CN 202820157 U CN202820157 U CN 202820157U
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China
Prior art keywords
lifting
health care
desktop
contact
motor
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Expired - Fee Related
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CN 201220513105
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Chinese (zh)
Inventor
许陵
张灵聪
张国金
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Minnan Normal University
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Minnan Normal University
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Abstract

The utility model discloses Health care desk with automatically changed inclined angle. Health care desk with the automatically changed inclined angle comprises a desktop board, a fixing device and a lifting device, wherein the front portion of the desktop board is rotatably connected with the top of the fixing device. The lifting device comprises a lifting portion and a fixing portion, the top end of the lifting portion is movably connected with the rear portion of the desktop board, the fixing portion is located below the desktop board, and the fixing portion and the lifting portion are movably connected with each other and used for driving the lifting portion to conduct a lifting movement. With the help of the health care desk with the automatically changed inclined angle, the inclined angle of the desktop board can be changed just by controlling the lifting movement of the lifting portion so that the head portion and the eyes of users can move along the desktop board in the process of utilization, thus the fatigue of the cervical vertebra and the asthenopia of the users can be limitedly adjusted, and the easy suffering of the cervical spondylosis and / or the increasing degree of myopia of the eyes of the users due to long time sitting and bending over a desk can be avoided. Besides, the health care desk with the automatically changed inclined angle further overcomes the defect that oriented objects of the existing liquid crystal display automatic lifting health care frame is limited.

Description

A kind of angle of inclination changes the health care table automatically
Technical field
The utility model relates to a kind of desk, particularly relates to a kind of angle of inclination and automatically changes the health care table.
Background technology
Desk is one of furniture item indispensable during we live, and it generally is comprised of desktop and table leg, mainly divides collapsible and not collapsible two types.The desk of prior art, its height, angle of inclination are generally fixed, and this just causes many copy writers when work, and its cervical vertebra fatigue can not get improving.For the existing weak point of the desk that overcomes prior art, liquid crystal display automatic up-down health care frame has appearred in prior art, and it highly reaches the cervical vertebra fatigue of regulating and improving the user by regulating.Yet the user of this liquid crystal display automatic up-down health care frame is confined to computer user, causes other official documents and correspondences worker, and for example students in middle and primary schools colony adopts the desk of prior art can't make the tired adjusted and improvement of its cervical vertebra.These copy writers are often bent over the desk because of long-time sitting, add that long-term sitting posture is bad and suffer from easily cervical spondylopathy, thereby had a strong impact on work or studying and living.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, provides a kind of angle of inclination automatically to change the health care table, and it can play regulating action to the vast personnel's of bending over the desk cervical vertebra, asthenopia.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of angle of inclination changes the health care table automatically, comprises desktop; Also comprise fixture and lowering or hoisting gear; The front portion of desktop and the top of fixture are rotatedly connected and connect; Lowering or hoisting gear comprises lifting unit and fixed part, and the top of lifting unit and the rear portion of desktop are flexibly connected; Fixed position is in the desktop below, and this fixed part and lifting unit are flexibly connected, and is used for driving lifting unit and makes lifting action.
Described lifting unit comprises the lifting cover with internal thread, and described fixed part comprises fixed cover, screw rod, motor and control module; The top of lifting cover and the rear portion of described desktop are flexibly connected, this lifting cover up or down sliding sleeve in fixed cover, screw rod is rotatably installed in the fixed cover and with the internal thread phase spiral of lifting cover and cooperates, and this screw rod is rotated by motor-driven, and motor is driven by control module.
Described lifting cover, fixed cover and screw rod are respectively two; The top of two liftings covers is flexibly connected with left side and the right side at described desktop rear portion respectively; Two fixed covers lay respectively at left side and the right side of described desktop below, and match with corresponding lifting cover and screw rod respectively.
The left side of the rear back of described desktop and right side are respectively equipped with a sliding tray, the top difference sliding sleeve of described two liftings cover is in the sliding tray of correspondence, the top of described two liftings cover alternately is matched with respectively the two ends of corresponding sliding tray by lifting action, change the angle of inclination of described desktop with this.
Described fixture comprises a front side board, and the front end of described desktop and the top of this front side board are rotatedly connected and connect; Also comprise base, the top Joint of the bottom of front side board and base; Described fixed part is installed on base.
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 a wherein 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 motor is one, and is either-rotation motor, and this motor is in transmission connection with described two screw rods respectively mutually by two transmission mechanisms; 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; 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, two stationary contacts of the wherein one group of contact in two groups of contacts of this of this relay are connected with the power-input with the power supply positive input terminal of described motor respectively.
Described motor is one, and is either-rotation motor, and this motor is in transmission connection with described two screw rods respectively mutually by two transmission mechanisms; 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; 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 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 power supply; 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 power supply, the 8th pin of NE555 chip respectively; The positive pole of power supply and negative pole consist of respectively positive source and the power cathode of described supply module, and the positive pole of this power supply is connected to the 4th pin of NE555 chip, the minus earth of power supply; 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.
Described transmission mechanism comprises power transmission shaft and bevel gear communtation deceleration device; The rotating shaft of described motor is in transmission connection with bevel gear communtation deceleration device and described screw rod mutually by power transmission shaft successively.
A kind of angle of inclination of the present utility model changes the health care table automatically, and when lifting unit was done vertical motion, the rear portion of desktop was subjected to its jack-up effect and upwards rotates relative to fixture; When the lifting cover rose to the extreme higher position, desktop upwards turned to predetermined angle; When lifting unit was made down maneuver, the rear portion of desktop also and then descended gradually; When the lifting cover dropped to extreme lower position, the rear portion of desktop dropped to its front portion and flushes, and desktop is horizontal.So, by the lifting action of control lifting unit, can change the angle of inclination of desktop, make the user in use, its head and eyes can move with desktop, thereby user's cervical vertebra fatigue and asthenopia are all effectively regulated.
The beneficial effects of the utility model are, owing to also comprise compared to existing technology fixture and lowering or hoisting gear, and the front portion of desktop and the top of fixture are rotatedly connected and connect, and lowering or hoisting gear comprises lifting unit and fixed part, and the top of lifting unit and the rear portion of desktop are flexibly connected; Fixed position is in the desktop below, and this fixed part and lifting unit are flexibly connected, and is used for driving lifting unit and makes lifting action; So that the utility model only need be by the lifting action of control lifting unit, can change the angle of inclination of desktop, make the user in use, its head and eyes can move with desktop, thereby the cervical vertebra that makes the user is tired and asthenopia can obtain limited adjusting, avoids the user to bend over the desk to suffer from easily cervical spondylopathy because of for a long time sitting and/or increases the weight of the degree of approximation of eyes.In addition, there is circumscribed weak point in the utility model object-oriented of also having overcome the liquid crystal display automatic up-down health care frame of prior art; Desktop of the present utility model just changes the angle of inclination, does not change the whole height of desktop, can make the user in use feel comparatively comfortable; As a kind of preferred, the utility model adopts electronic control mode control desktop automatically to change the angle of inclination, has the characteristics such as sensitive, easy to operate of controlling.
Below in conjunction with drawings and Examples the utility model is described in further detail; A kind of angle of inclination of the present utility model automatically changes the health care table and 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 side status schematic diagram of the present utility model.
The specific embodiment
Embodiment sees also shown in Figure 1ly, and a kind of angle of inclination of the present utility model changes health care table automatically, comprises desktop 1, fixture and lowering or hoisting gear; The front portion of desktop 1 and the top of fixture are rotatedly connected and connect; Lowering or hoisting gear comprises lifting unit and fixed part, and the top of lifting unit and the rear portion of desktop are flexibly connected; Fixed position is in the desktop below, and this fixed part and lifting unit are flexibly connected, and is used for driving lifting unit and makes lifting action.
As a kind of preferred, above-mentioned lifting unit comprises two lifting covers 3 with internal thread, and fixed part comprises two fixed covers 5, two screw rods 4, a motor 2 and a control module; The top of two liftings cover 3 is flexibly connected with left side, rear portion and the right side of desktop 1 respectively, and two fixed covers lay respectively at left side and the right side of desktop lower rear, two lifting cover 3 difference up or down sliding sleeve in these two fixed covers 5; Two screw rods 4 is rotatably installed on respectively in the corresponding fixed cover 5, and this two screw rods 4 cooperates with the internal thread phase spiral of two liftings cover 3 respectively, and this two screw rods 4 is driven by motor 2 and rotates, and motor 2 is driven by control module.
As a kind of preferred, the utility model is in the left side of the rear back of desktop 1 and right side a sliding tray 11 to be set longitudinally respectively, sliding sleeve is in the sliding tray 11 of correspondence respectively on the top that makes above-mentioned two liftings cover 3, and the top that can realize above-mentioned two liftings cover is flexibly connected with the rear portion of desktop 1 respectively.The top of above-mentioned two liftings cover 3 alternately is matched with respectively the two ends of corresponding sliding tray 11 by lifting action, change the angle of inclination of desktop 1 with this.
As a kind of preferred, above-mentioned fixture comprises a front side board 7, the top of the front end of desktop 1 and this front side board 7 is rotatedly connected and connects, and a turning cylinder 71 specifically is installed between the top edge of the front end edge of desktop 1 and front side board 7, and desktop 1 can be rotated up and down around this turning cylinder 71.At this moment, the utility model also comprises two bases 10, and these two bases 10 lay respectively at left side and the right side of desktop below, and the top Joint of the bottom of front side board 7 and these two bases 10 is braked front side board 7 with this; Above-mentioned two fixed covers 5 are installed on respectively this two bases 10.Here, also can directly make the bottom of front side board directly extend to ground; Above-mentioned fixture also can adopt other structures to realize, if adopt supporting structure, makes desktop and this supporting structure be rotatedly connected to connect and gets final product.
As a kind of preferred, see also figure Fig. 1, shown in Figure 2, above-mentioned control module comprises for above-mentioned two liftings cover 3 being carried out spacing up stroke limit switch 61 and down stroke limit switch 62, being used for driver module 63, supply module 64 and the control module 6 of drive motors work; Up stroke limit switch 61 and down stroke limit switch 62 are installed on respectively wherein top side wall and the bottom of a fixed cover, the output of this up stroke limit switch 61 and down stroke limit switch 62 is connected to respectively the input of control module 6, control module 6 is installed on the wherein sidewall of a fixed cover, it is by supply module 64 power supplies, the output of this control module 6 is connected to driver module 63, and motor 2 is connected with supply module 64 by driver module 63.
As a kind of preferred, said motor 2 is for being either-rotation motor, and this motor 2 is in transmission connection with two screw rods 4 respectively mutually by two transmission mechanisms; As shown in Figure 3, above-mentioned driver module 63 comprises a relay J 1, this relay J 1 has two groups of contacts (certainly, also can have two groups of above contacts), wherein one group of contact comprises a movable contact a and two stationary contact b, c, and stationary contact b is normally opened contact, and stationary contact c is normally-closed contact; Another group contact comprises a movable contact d and two stationary contact e, f, and stationary contact e is normally-closed contact, and stationary contact f is normally opened contact; The output of above-mentioned control module 6 is connected to the coil input end of this relay J 1, two movable contact a, the d of this relay J 1 is connected with power cathode with the positive source of supply module 64 respectively, four stationary contact b, c of this relay J 1, e, f interconnection are (namely, the stationary contact b of this relay J 1 is connected with stationary contact f, the stationary contact c of this relay J 1 is connected with stationary contact e), two stationary contact e, f of this relay are connected with the power-input with the power supply positive input terminal of motor 2 respectively.
Above-mentioned driver module 63 also can comprise two relays, and these two relays have respectively one group of contact (certainly, also can have one group of above contact), and this group contact comprises a movable contact, a normally opened contact and a normally-closed contact; The output of described control module is connected to the coil input end of two relays, 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 63 also can adopt contactor to realize.
As a kind of preferred, as shown in Figure 3, above-mentioned control module 6 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 64 comprises power supply E1, and this power supply E1 is dc source.One end of up stroke limit switch 61 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 61 is connected with the positive pole of power supply E1, the 8th pin of NE555 chip IC 1 respectively; The positive pole of power supply E1 and negative pole consist of respectively positive source and the power cathode of supply module 10, and the positive pole of this power supply E1 is connected to the 4th pin of NE555 chip IC 1, the minus earth of power supply E1; The 8th pin of one termination NE555 chip IC 1 of down stroke limit switch 62, 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, above-mentioned transmission mechanism comprises power transmission shaft 8 and bevel gear communtation deceleration device 9; Wherein, the bevel gear communtation deceleration device of each transmission mechanism is installed on respectively a fixed cover 5, and the rotating shaft of motor 2 is in transmission connection with bevel gear communtation deceleration device 9 and screw rod 4 mutually by power transmission shaft 8 successively.
A kind of angle of inclination of the present utility model changes the health care table automatically, its 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.The course of work of the present utility model comprises decline process and uphill process, during decline, two screw rods 4 drives respectively corresponding lifting cover 3 and moves down under the driving of motor 2, when each lifting cover 3 decline puts in place, down stroke limit switch 62 disconnects, make 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 stationary contact b, the e with corresponding are closed, then motor 2 commutations, and by 3 risings of two screw rods 4 drives two liftings cover; Down stroke limit switch 62 resets.When two liftings cover 3 rises respectively when putting in place, up stroke limit switch 61 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 stationary contact c, the f with corresponding are closed, then motor 2 commutations, and by 3 declines of two screw rods 4 drives two liftings cover; Up stroke limit switch 61 resets.Like this repetitive cycling can realize the automatic lifting process of two liftings cover 3.
A kind of angle of inclination of the present utility model changes the health care table automatically, see also shown in Figure 4ly, when two liftings cover 3 dropped to extreme lower position, the top of this two liftings cover 3 laid respectively at the front position of two sliding trays 11 of desktop, at this moment, desktop 1 is in level.When two liftings cover 3 was done vertical motion respectively under the driving of motor 2 and screw rod 4, this two liftings cover 3 was raised the rear portion of desktop 1 gradually, and desktop 1 moving axis 71 that rotates is upwards rotated gradually; In addition, slide along the rear portion of corresponding sliding tray 11 respectively in the top of two liftings cover 3; When two liftings cover 3 rises to the extreme higher position, the top of this two liftings cover 3 lays respectively at the back-end location of two sliding trays 11 of desktop, and at this moment, the rear portion of desktop 1 is lifted to the extreme higher position, make whole desktop 1 inclined, and its angle of inclination is 30 °.So, by the automatic lifting process of loop control two liftings cover 3, can automatically change the angle of inclination of desktop 1.
A kind of angle of inclination of the present utility model changes the health care table automatically, the user in use, variation along with the desktop angle of inclination, user's head and eyes are all moved with this desktop, tired and asthenopia plays regulating action to cervical vertebra of user with this, avoids the user to bend over the desk to suffer from easily cervical spondylopathy because of for a long time sitting and/or increases the weight of the degree of approximation of eyes.
Above-described embodiment only is used for further specifying a kind of angle of inclination of the present utility model and automatically changes the health care table; 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. an angle of inclination changes the health care table automatically, comprises desktop; It is characterized in that: also comprise fixture and lowering or hoisting gear; The front portion of desktop and the top of fixture are rotatedly connected and connect; Lowering or hoisting gear comprises lifting unit and fixed part, and the top of lifting unit and the rear portion of desktop are flexibly connected; Fixed position is in the desktop below, and this fixed part and lifting unit are flexibly connected, and is used for driving lifting unit and makes lifting action.
2. angle of inclination according to claim 1 changes the health care table automatically, and it is characterized in that: described lifting unit comprises the lifting cover with internal thread, and described fixed part comprises fixed cover, screw rod, motor and control module; The top of lifting cover and the rear portion of described desktop are flexibly connected, sliding sleeve is in fixed cover up or down for this lifting cover, and screw rod is rotatably installed on fixed cover, and cooperates with the internal thread phase spiral of lifting cover, this screw rod is rotated by motor-driven, and motor is driven by control module.
3. angle of inclination according to claim 2 changes the health care table automatically, and it is characterized in that: described lifting cover, fixed cover and screw rod are respectively two; The top of two liftings covers is flexibly connected with left side and the right side at described desktop rear portion respectively; Two fixed covers lay respectively at left side and the right side of described desktop below, and match with corresponding lifting cover and screw rod respectively.
4. angle of inclination according to claim 3 changes the health care table automatically, it is characterized in that: the left side of the rear back of described desktop and right side are respectively equipped with a sliding tray, the top difference sliding sleeve of described two liftings cover is in the sliding tray of correspondence, the top of described two liftings cover alternately is matched with respectively the two ends of corresponding sliding tray by lifting action, change the angle of inclination of described desktop with this.
5. angle of inclination according to claim 1 changes the health care table automatically, and it is characterized in that: described fixture comprises a front side board, and the front end of described desktop and the top of this front side board are rotatedly connected and connect; Also comprise base, the top Joint of the bottom of front side board and base; Described fixed part is installed on base.
6. angle of inclination according to claim 3 changes health care table automatically, it 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 a wherein 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.
7. angle of inclination according to claim 6 changes the health care table automatically, and it is characterized in that: described motor is one, and is either-rotation motor, and this motor is in transmission connection with described two screw rods respectively mutually by two transmission mechanisms; 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; 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, two stationary contacts of the wherein one group of contact in two groups of contacts of this of this relay are connected with the power-input with the power supply positive input terminal of described motor respectively.
8. angle of inclination according to claim 6 changes the health care table automatically, and it is characterized in that: described motor is one, and is either-rotation motor, and this motor is in transmission connection with described two screw rods respectively mutually by two transmission mechanisms; 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; 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.
According to claim 7 or 8 described angles of inclination automatically change health care table, it 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 power supply; 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 power supply, the 8th pin of NE555 chip respectively; The positive pole of power supply and negative pole consist of respectively positive source and the power cathode of described supply module, and the positive pole of this power supply is connected to the 4th pin of NE555 chip, the minus earth of power supply; 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.
According to claim 7 or 8 described angles of inclination automatically change health care table, it is characterized in that: described transmission mechanism comprises power transmission shaft and bevel gear communtation deceleration device; The rotating shaft of described motor is in transmission connection with bevel gear communtation deceleration device and described screw rod mutually by power transmission shaft successively.
CN 201220513105 2012-10-08 2012-10-08 Health care desk with automatically changed inclined angle Expired - Fee Related CN202820157U (en)

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CN 201220513105 CN202820157U (en) 2012-10-08 2012-10-08 Health care desk with automatically changed inclined angle

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CN 201220513105 CN202820157U (en) 2012-10-08 2012-10-08 Health care desk with automatically changed inclined angle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108662383A (en) * 2018-04-25 2018-10-16 未石互动科技股份有限公司 A kind of projection multiple point touching table arrangement for multi-lens camera
CN109596404A (en) * 2019-01-15 2019-04-09 张庆明 A kind of biology paraffin wax embedding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108662383A (en) * 2018-04-25 2018-10-16 未石互动科技股份有限公司 A kind of projection multiple point touching table arrangement for multi-lens camera
CN109596404A (en) * 2019-01-15 2019-04-09 张庆明 A kind of biology paraffin wax embedding

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Granted publication date: 20130327

Termination date: 20141008

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