Invention content
It is a primary object of the present invention to overcome drawbacks described above in the prior art, a kind of completely new lifting structure is proposed,Stable structure is reasonable, and passes through reliability demonstration, automatic lifting table and its control system with good practicability.
The present invention adopts the following technical scheme that：
A kind of automatic lifting table, including pedestal, folding stand and desktop, the folding stand are connected between pedestal and desktop, shouldFolding stand is equipped with the first sliding bar, which is to be slidably matched with desktop；It is characterized in that：Further include drive link, dynamicForce mechanisms, the first sliding equipment, the second sliding equipment and push-pull mechanism；The drive link both ends are rotatably installed on desktop bottomFace；The actuating unit output end is connect with drive link to drive its rotation；The transmission of first sliding equipment and drive link coordinate withRotation is converted into linear movement, startup structure is additionally provided between first sliding equipment and folding stand, with linearly movingFirst segment drives the first sliding bar to be slided between reception position and startup position；Second sliding equipment is arranged on drive linkAnd it is connected with the first sliding bar；The push-pull mechanism is connected between the first sliding equipment and the second sliding equipment in linear movementSecond segment push and pull the second sliding equipment so that the first sliding bar start position and rise extreme higher position between slide.
The startup structure includes slope and idler wheel, which is formed on first sliding equipment, which can turnIt is installed on the folding stand dynamicly close to first sliding bar, in linearly moving first segment, which slides with slopeCooperation.
First sliding equipment includes the first sliding shoe and transmission nut；First sliding shoe offer first through hole withIt is passed through for the drive link；The transmission nut is fixed in first through hole and is worm drive with the drive link.
Second sliding equipment includes the second sliding shoe, which offers the second through-hole for the transmissionBar passes through.
The push-pull mechanism includes connecting rod and the first elastic component, which is arranged in first sliding equipment respectivelyWith the second sliding equipment；First elastic component be sheathed on connecting rod and peak at the first sliding equipment and the second sliding equipment itBetween.
Further include having locking mechanism, which is installed on the desktop bottom surface and is equipped with lock tongue；The pedestal is equipped withLock slots realize locking so that lock tongue end is embedded in.
The locking mechanism further includes motor group, the second elastic component, locking bar and shell；The shell is fixed on the desktop bottomFace, and it is equipped with guide groove；The lock tongue is located in guide groove and is equipped with sliding groove；The locking bar is arranged in the lock tongue and is equipped withAxis pin；Second elastic component is sheathed on locking bar, and its two exit is located in sliding groove；The motor group is installed in shell and itOutput end is connected with locking bar one end.
A kind of automatic lifting table control system, for controlling a kind of any above-mentioned automatic lifting table, including master control borad, behaviourControl and power supply group；It is characterized in that：The manipulation part is located on the desktop with input control order；The master control borad and manipulationPart, power supply group, the actuating unit are connected to control desktop automatic lifting or crawl lifting according to control command.
Further include optoelectronic switch and optical code disk；The optical code disk is fixed on the drive link；The optoelectronic switch and optical code diskIt is oppositely arranged to count；The master control borad be connected with optoelectronic switch with according to control command record current location count value, withJust next time automatic lifting to the current location.
Further include upper limit detecting element and lower limit detecting element, the upper limit detecting element and lower limit detecting elementIt is distributed along the drive link length direction to detect first sliding equipment position, the upper limit detecting element and lower limit inspectionElement is surveyed with the master control borad to be connected.
The manipulation part includes at least two buttons, which is located in the Different Plane of the desktop.
The manipulation part includes knob, soft-touch control or toggle switch.
The automatic lifting refers to driving the first sliding bar to be moved to reception position or rising extreme higher position；The crawl literDrop refers to stopping after driving the first sliding bar to slide one section.
Further include having inversion detection switch, which is connected with the master control borad.
By the above-mentioned description of this invention it is found that compared with prior art, the present invention has the advantages that：
1. pure electric vehicle lifts, participates in being promoted and land without manpower；
2. being lifted close to zero degree, no impact is steady to be declined；
3. control mode is various, including button, knob or toggle switch etc., the distribution of button up and down of novelty original creation, convenientIt uses
Operation；
4. self-timing is without key operation, complete machine enters dormant state, while being also virgin latching mode；
5. child's lock unlock needs to press two keys up and down simultaneously, can unlock in the dormant state；
6. intelligent memory height condition, one key reaches designated position when reuse, quick and precisely；
7. Intelligent fixed time sitting posture prompting and stand up time prompting function；
8. lifting pattern is various, including crawl lifting pattern and automatic lifting pattern；
9. can sitting posture office, can also stand office, timing adjust body gesture, improve health, raising working efficiency.
10. using electronic locking mechanism so that it is locked automatically after desktop storage, it is automatic unlocking when rise, safe and reliable.
Description of the drawings
Fig. 1 is front view of the present invention (receiving state)；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the exploded view of the present invention；
Fig. 4 is critical piece exploded view of the present invention；
Fig. 5 is locking mechanism exploded view of the present invention；
Fig. 6 is idler wheel of the present invention along slope slide construction figure (lock tongue does not extend out)；
Fig. 7 is idler wheel of the present invention along slope slide construction figure (lock tongue stretching)；
Fig. 8 is that idler wheel of the present invention is detached from slope signal；
Fig. 9 is front view of the present invention (rising highest state)；
Figure 10 is locking mechanism sectional view (unlock)；
Figure 11 is locking mechanism sectional view (locking)；
Figure 12 is push-pull mechanism sectional view；
Figure 13 button installation site exemplary graphs of the present invention；
Figure 14 is that the present invention uses knob schematic diagram；
Figure 15 is that the present invention uses toggle switch schematic diagram；
Figure 16 is the circuit diagram of the present invention；
Figure 17 is prior art construction figure.
10, pedestal, 11, long side, 12, short side, 13, connecting pole, 14, lock slots, 15, track groove, 20, folding stand, 21, straightBar, 22, shaft, the 23, first sliding bar, 24, idler wheel, the 25, second sliding bar, 30, desktop, 31, guide rail, 40, drive link, 41,Bearing, 50, actuating unit, 51, main motor, 52, reduction box, the 60, first sliding equipment, the 61, first sliding shoe, 62, transmission spiral shellMother, 63, first through hole, 64, slope, the 70, second sliding equipment, 71, the second sliding shoe, the 72, second through-hole, 80, push-pull mechanism,81, connecting rod, the 82, first elastic component, 83, channel, 84, limiting plate, 90, locking mechanism, 91, lock tongue, 92, motor group, 93, secondElastic component, 94, locking bar, 95, shell, 96, guide groove, 97, sliding groove, 98, axis pin, 100, master control borad, 101, manipulation part, 102,Power supply group, 103, optoelectronic switch, 104, optical code disk, 105, upper limit detecting element, 106, lower limit detecting element, 107, lockingDetecting element, 108, unlock detecting element, 109, be inverted detection switch, 110, light-emitting component.
Specific implementation mode
Below by way of specific implementation mode, the invention will be further described.
Referring to figs. 1 to Figure 15, a kind of automatic lifting table, including pedestal 10, folding stand 20, desktop 30, drive link 40, powerMechanism 50, the first sliding equipment 60, the second sliding equipment 70 and push-pull mechanism 80 etc..The pedestal 10 is frame shape, including two long sides11 and two short sides 12, long side 11 connected with gasket by connecting pole 12 with the junction of short side 12, long side 11 is equipped with track groove15.The folding stand 20 includes two X-type bar groups, the first sliding bar 23 and the second sliding bar 25, which is located at pedestal 10Upper two opposite sides.Each X-type bar group includes two straight-bars 21, which is realized hinged by shaft 22.One straight-bar 21One end is pivotally mounted on pedestal 10, and the other end is connected by the first sliding bar 23 with the corresponding end of another X-type bar group；It is another21 one end of straight-bar is rotatably installed on desktop 30, the corresponding end that the other end passes through the second sliding bar 25 and another X-type bar groupIt is connected, which is to be slidably matched with track groove 15.30 bottom surface of desktop is equipped with two guide rails 31, two X-type barsTwo first sliding bars, 23 end of group is respectively to be slidably matched with guide rail 31, and the guide rail is parallel with track groove 15.By drivingOne sliding bar 23 is slided along guide rail 31, is driven the second sliding bar 25 to be slided along track groove 15 and is made the folding of folding stand 20 or expansion,Desktop 30 is further driven to lift.
Lead screw can be used in the drive link 40, and both ends are rotatably installed on 30 bottom surface of desktop by bearing 41, and parallelGround is set between two guide rails 31.The actuating unit 50 includes main motor 51 and reduction box 52, and gear is equipped in the reduction box 52The input terminal of group, the gear set is connected with the output end of main motor 51, and the output end of the gear set is engaged with 40 one end of drive linkTransmission.When mover starts, after the deceleration of reduction box 52, drive link 40 is driven to rotate.
First sliding equipment 60 includes the first sliding shoe 61 and transmission nut 62.First sliding shoe, 61 middle part, which offers, to be passed throughLogical first through hole 63 passes through for drive link 40.The transmission nut 62 is fixed in first through hole 63 and is spiral shell with drive link 40Rotation transmission, for by the circumferential linear movement for being converted to the first sliding shoe 61 of drive link 40.From 30 receiving state of desktopTo highest state is risen, which is divided into first segment and second segment.When desktop 30 drops to storageWhen state, the first sliding equipment 60 is located at the end of 40 first segment of drive link, when desktop 30, which rises to, rises highest state, theOne sliding equipment 60 is located at the end of 40 second segment of drive link.
It is additionally provided with startup structure between first sliding equipment 60 and folding stand 20, to be driven in linearly moving first segmentFirst sliding bar 23 slides between startup position and reception position, and when reaching startup position, desktop 30 rises a bit of.This is openedDynamic structure includes two slopes 64 and two idler wheels 24, and two slopes 64 are formed in 61 both sides of the first sliding shoe, and direction is lifted for desktop 30It tilts, which can be plane, spiral edged surface or cambered surface, angular range is 9 ° -61 °.Two idler wheel 24 is rotationallyIt is installed in two X-type bar groups close to 23 position of the first sliding bar, the axis of rolling of idler wheel 24 is vertical with straight-bar 21.Linearly movingWhen first segment, which is slidably matched with slope 64, and later in linearly moving second segment, idler wheel 24 is detached from slope 64.
Second sliding equipment 70 includes the second sliding shoe 71,71 middle part of the second sliding shoe offer the second through-hole 72 forDrive link 40 passes through.The second sliding shoe 71 fixation is arranged on the first sliding bar 23.
The push-pull mechanism 80 is connected between the first sliding equipment 60 and the second sliding equipment 70, for linearly movingSecond segment pushes and pulls the second sliding shoe 71 so that the first sliding bar 23 slides between starting position and rising extreme higher position.Push-and-pullMechanism 80 includes two connecting rods 81 and two first elastic components 82.First sliding shoe 61 and the second sliding shoe 71 offer two channels respectively83, which is set in parallel in 40 both sides of drive link.Two connecting rods, 81 both ends are movably arranged in the first sliding shoe respectively61 and the second sliding shoe 71 in corresponding channel 83 in, 81 end of connecting rod simultaneously be equipped with limiting plate 84.Two first elastic component 82 dividesIt is not sheathed on two connecting rods 81, and opens and peak between the first sliding shoe 61 and the second sliding shoe 71, work as a buffer, avoid firstCollision between sliding shoe 61 and the second sliding shoe 71.
When the first sliding bar 23 is located at reception position, the distance between the first sliding shoe 61 and the second sliding shoe 71 are mostClosely, the first elastic component 82 is compressed, and the limiting plate 84 of 81 one end of connecting rod is resisted against inner wall (or first in the outer part of the second sliding shoe 71Sliding bar 23) on.When the first sliding bar 23, which is located at, rises extreme higher position, between the first sliding shoe 61 and the second sliding shoe 71Distance is farthest, and two limiting plates 84 of connecting rod 81 are born against on the first sliding shoe 61 inner wall in the inner part and the second sliding shoe 71On inner wall in the inner part, referring to Figure 12.
Referring to Fig. 5, the invention also includes there is locking mechanism 90, which is installed on 30 bottom surface of desktop comprisingLock tongue 91, motor group 92, the second elastic component 93, locking bar 94 and shell 94 etc..The shell 94 is fixed on 30 bottom surface of desktop, and is equipped withGuide groove 96.Lock tongue 91 is located in guide groove 96, and the top surface or bottom surface of lock tongue 91 are equipped with sliding groove 96.The locking bar 94 is arranged in lockIn tongue 91 and it is equipped with axis pin 98, which has certain angle with locking bar 94, and preferably 90 ° vertical.Second 93 sets of elastic componentOn locking bar 94, and its two exit is located in sliding groove 96, which can be used spiral spring.The motorGroup 92 is installed in shell 94, including lock out motor and gear set, the output shaft of the lock out motor and the input gear of gear setIt is connected, the output gear of gear set is connect with 94 one end of locking bar.
The long side 11 of pedestal 10 or 12 inside of short side are correspondingly provided with lock slots 14 and pass through gear set when lock out motor startsTransmission drives locking bar 94 to rotate, and when locking bar 94 rotates, in the case where axis pin 98 drives, the second elastic component 93 is moved and driven along locking bar 94Lock tongue 91 is inwardly or outwardly moved with embedded or disengaging lock slots 14, referring to Figure 10, Figure 11.In addition, when 91 end of lock tongue is detached fromAfter lock slots 14 unlock, after desktop 30 rises, you can the control rotation of locking bar 94 so that lock tongue 91 is displaced outwardly, referring to Fig. 7,When desktop 30 drops to reception position, due to the effect of the second elastic component 93, pedestal 10 pushes lock tongue 91 and first moves inward extrudingSecond elastic component 93, then 93 return of the second elastic component drive lock tongue 91 be embedded in lock slots 14 realize automatic locking.
The pedestal 10 of the present invention highly rationally designs so that under receiving state, drive link 40, actuating unit 50, first are slidedThe mechanisms such as motivation structure 60, the second sliding equipment 70, push-pull mechanism 80 and locking mechanism 90 are respectively positioned in 10 frame of pedestal, are reduced wholeBody thickness.The lifting principle of automatic lifting table of the present invention is specific as follows：
Receiving state：Referring to Fig. 1, Fig. 2, two X-type bar groups fold, and two straight-bars 21 are nearly parallel affixed on 30 bottom surface of desktop.First sliding bar 23 is located at the reception position of guide rail 31.The distance between first sliding shoe 61 and the second sliding shoe 71 are nearest, theOne elastic component 82 is compressed.Desktop 30 is locked in 91 end of the lock tongue insertion lock slots 14 of locking mechanism 90.
Rise the first stage：Referring to Fig. 7 to Fig. 9, control lock out motor rotation so that locking bar 94 pushes the second elastic component 93It is moved with lock tongue 91,91 end of lock tongue is detached from out of lock slots 14；Control actuating unit 50 is rotated in the forward direction to drive drive link 40Rotation, the first sliding shoe 61 are moved forward along drive link 40, carry out linearly moving first segment, and slope 64 pushes on folding stand 20Idler wheel 24, drive the first sliding bar 23 of folding stand 20 to be moved since reception position along guide rail 31, until idler wheel 24 be detached fromSlope 64, the first sliding bar 23, which reaches, starts position, at this point, the distance between the first sliding shoe 61 and the second sliding shoe 71 becomeGreatly, folding stand 20 drives desktop 30 to rise to startup height.
Rise second stage：Actuating unit 50 works on, and the first sliding shoe 61 is continued to move to along drive link 40, into lineProperty movement second segment, the distance between the first sliding shoe 61 and the second sliding shoe 71 reach it is farthest after, the drawing of the first sliding shoe 61Dynamic the second sliding shoe 71 is moved along drive link 40, and 71 the first sliding bar of synchronous drive 23 of the second sliding shoe continues to open from startup positionBegin to move, until folding stand 20 drives desktop 30 to rise to highest point, referring to Fig. 9.
It is automatic to rise the stage of being resident：Two X-type bar groups are fully deployed.First sliding bar 23 is located at the rise highest order of guide rail 31It sets.The distance between first sliding shoe 61 and the second sliding shoe 71 are farthest.
Decline the first stage：Control actuating unit 50 is reversely rotated to drive drive link 40 to rotate, 61 edge of the first sliding shoeDrive link 40 moves backward and close to the second sliding shoe 71, the advanced linearly moving second segment of row, when the first sliding shoe 61 and theThe distance between two sliding shoes 71 are nearest, then the first sliding shoe 61 pushes the second sliding shoe 71 to continue to move backward together so thatFirst sliding bar 23 is moved from extreme higher position is risen, and starts position until reaching, folding stand 20 drives desktop 30 to drop to startupHighly.
Decline second stage：Actuating unit 50 continues to reversely rotate, and the first sliding shoe 61 continues to press on the second sliding shoe 71It moves backward, idler wheel 24 reaches slope 64 and slided along inclined-plane, and the first sliding bar 23 continues to be moved to storage position from startup positionIt sets；Then control lock out motor reversion so that locking bar 94 pushes the second elastic component 93 and lock tongue 91 to be displaced outwardly, 91 end of lock tongueEmbedded lock slots 14 are locked, and receiving state is returned to.
During rising the first stage, rising second stage, decline first stage and decline second stage, at desktop 30When any position, closed by controlling actuating unit 50, you can so that desktop 30 is in the position and lock.
Referring to Figure 16, the present invention also proposes a kind of automatic lifting table control system, for controlling above-mentioned automatic lifting table,Including master control borad 100, manipulation part 101, power supply group 102 etc..The manipulation part 101 is located on desktop 30, is used for input control order.Referring to Figure 14, Figure 15, which can be button or knob or toggle switch etc., the control command of input include rise,Decline, wake up, remember etc., rising includes that automatic rising and crawl rise, and decline includes declining to decline with crawl automatically.
By taking button as an example, at least two buttons can be used, wherein a button rises for inputting automatic rise with crawl, it is anotherButton declines for inputting automatic decline with crawl, can distinguish automatic and crawl by long-press and short-press.Two button is located at tableIn the Different Plane of plate 30, such as at the same position of 30 top and bottom of desktop, and apart from edge a distance or desktopOn the adjacent both sides in 30 sides, and the two has a certain distance, and referring to Fig.1 3.It is arranged using two button Different Planes, and is setIt can be waken up when being pressed simultaneously for two buttons, with child-resistant maloperation, play functions of child lock.
The master control borad 100 is connected with manipulation part 101, main motor 51, lock out motor and power supply group 102, to be ordered according to controlEnabling control wake up, desktop 30, automatic lifting, crawl lift, control locking mechanism 90 locks or unlocks desktop 30 etc..The master control borad100 include mainly MCU, main motor driving circuit, electric power management circuit, buzzer, light-emitting component 110, timing circuit and eachAdaptable interface etc., buzzer and light-emitting component are used to indicate state or prompting.Wherein：Automatic lifting is comprising automatic rising and automaticallyDecline, is to drive the first sliding bar 23 to be moved to reception position according to input order or rise extreme higher position.Crawl liftsCrawl rises and crawl declines, and is to drive the first sliding bar 23 to slide one section according to input order again to stop.
Further include optoelectronic switch 103 and optical code disk 104, the rotating speed for detecting drive link 40.The optical code disk 104 is fixed onOn 40 end of drive link, which is oppositely arranged with optical code disk 104, for counting, the count value and drive link 40Rotating speed is related, is to count starting point with 30 receiving state of desktop, rises then count value and increases, and declines then count value and reduces.The lightElectric switch 103 is connected with master control borad 100, and when manipulating the input memory order of part 101, master control borad 100 records light under current locationThe count value of electric switch 103, when to input automatic lifting order next time, control automatic lifting table automatic lifting is current to thisPosition.
Further include upper limit detecting element 105 and lower limit detecting element 106, the upper limit detecting element 105 and lower limitPosition detecting element 106 is distributed along 40 length direction of drive link, and detected element is correspondingly provided on the first sliding equipment 60.When firstWhen sliding bar 23 is located at reception position, the lower limit detecting element 106 just with the detected element phase of the first sliding equipment 60To falling into place information with detection；When the first sliding bar 23, which is located at, rises extreme higher position, the upper limit detecting element 105 is luckyIt is opposite with the detected element of the first sliding equipment 60 that information in place is risen with detection.The master control borad 100 and upper limit detection memberPart 105 is connected with lower limit detecting element 106 to be received an information control main motor 51 and is stopped.
Further include lock-in detection element 107 and unlock detecting element 108, the lock-in detection element 107 and unlock detect memberPart 108 is installed in the guide groove 96 of shell 94, and lock tongue 91 is correspondingly provided with detected element, and lock tongue 91 moves outwardly to locking shapeWhen state, the lock-in detection element 107 is just opposite with the detected element of lock tongue 91 to detect lock into place information；When lock tongue 91When moving inwardly into unlocked state, the unlock detecting element 108 is just opposite with detected element to unlock information in place with detection.The master control borad 100 is connected with lock-in detection element 107 and unlock detecting element 108 to receive information in place.
In addition, the upper limit detecting element 105 of present system, lower limit detecting element 106, lock-in detection element 107The realizations such as Hall element or travel switch can be used with unlock detecting element 108.Further include having to be inverted detection switch 109, should fallDetection switch 109 is set to be installed on desktop 30, to detect whether desktop 30 is inverted, master control borad 100 and inversion 109 phase of detection switchEven with when detecting that desktop 30 is inverted, the relevant device (main motor 51) for controlling same table is stopped.
Rechargeable battery can be used in power supply group 102 of the present invention and associated peripheral circuits are realized, and is equipped with USB power source line.Now by taking double buttons are located at 30 top and bottom of desktop as an example, top surface button is to rise button, and bottom surface button is to decline button, systemIt can implement function such as：
1, dormant state：Under standby mode, if without operation in certain time, the MCU of master control borad 100 enters suspend mode shapeState under the state, stops correlation output.
2, wake-up states：Two buttons are pressed simultaneously, and buzzer sounding prompts to wake up successfully, into standby mode.
3, desktop rises：The button (such as in 1-2s) of short-press top surface, master control borad 100 control locking mechanism 90 and unlock, togetherWhen control automatic lifting table rise, after loosing one's grip, that is, control desktop 30 stop rise, this for crawl rising：
The button (2s or more) of long-press top surface, master control borad 100 control locking mechanism 90 and unlock, and control automatic lifting table laterAutomatically highest point is risen to.
4, desktop declines：The button (such as in 1-2s) of short-press bottom surface, master control borad 100 control automatic lifting table and decline, pineAfter hand, that is, controls automatic lifting table and stop declining, this declines for crawl：
The button (2s or more) of long-press bottom surface, master control borad 100 control automatic lifting table and drop to receiving state, master control automaticallyPlate 100 controls locking mechanism 90 and locks desktop 30.
5, desktop lifting stops：During automatic lifting, any button is arbitrarily pressed, that is, releases automatic lifting,Control main motor 51 stops operating.
6, position memory：When automatic lifting table rests on suitable position, while two button (5s or more) of long-press, buzzer hairSound prompts to record the position.
7, position memory covers：When automatic lifting table rests on suitable position, two button (5s or more) of long-press again, buzzingDevice sounding prompts to record the position, you can cover the position of last memory.
8, memory area restores：When automatic lifting table starts automatic lifting, lifting to memory area is automatically stopped.
The automatic lifting table and its control system of the present invention, using screw rod transmission, the transmission of low angle segmented, electronic lockMode, ergonomics switch elevating control and intelligent memory height of table top etc. are combined, and realize that elaborate position control, entirety are slimThe steady lifting of structure, low level, improve product really uses function, improves the technical merit of industry, improves competitiveness.
The specific implementation mode of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize thisConceive the change for carrying out unsubstantiality to the present invention, the behavior for invading the scope of the present invention should all be belonged to.