CN211021406U

CN211021406U - Synchronous lifting electric lifting upright post system

Info

Publication number: CN211021406U
Application number: CN201921816691.7U
Authority: CN
Inventors: 王海军; 邵香君
Original assignee: Hangzhou Ecomax Bamboo Products Co ltd
Current assignee: Hangzhou Ecomax Bamboo Products Co ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-07-17
Anticipated expiration: 2029-10-26

Abstract

The utility model discloses an electric lifting upright post system capable of synchronously lifting, which belongs to the technical field of lifting tables and comprises a top plate and two upright posts fixedly connected to the bottom of the top plate, wherein the two upright posts are both connected with a bottom rod, the bottom rod is provided with a chute, the upright posts are slidably connected in the chute, the top plate is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with a worm, the worm is meshed with a turbine, the turbine is fixedly connected with a threaded rod, the bottom rod is internally fixedly connected with a threaded sleeve, and the threaded rod is in threaded connection with the threaded; two driving motor are connected with the controller jointly, the utility model discloses have and to guarantee two stand synchronous lifting through two driving motor synchronous working of controller control, when guaranteeing control system out of work through the turbine worm auto-lock, the relative position of stand can guarantee stable effect.

Description

Synchronous lifting electric lifting upright post system

Technical Field

The utility model belongs to the technical field of the technique of lift table and specifically relates to an electric lift stand system who goes up and down in step.

Background

At present, the lifting table is widely used in Europe and America. But also gradually accept and begin to be widely applied in China. The utility model has the value of helping office people to take a sedentary position and realizing standing office.

The prior art can refer to the Chinese utility model with the publication number of CN202774918U, it discloses an electric lifting table, which comprises a table top, a lifting device and table legs for providing a supporting function, wherein the table legs comprise an upper fixed block, a lower fixed block and two supporting rods, the upper fixed block and the lower fixed block are fixedly connected through the two supporting rods, the lifting device comprises a table top supporting block, a sliding rod, a sliding block and a steel wire transmission mechanism, the steel wire transmission mechanism comprises a steel wire, a motor with a reel and a pulley, the sliding block is sleeved on the two supporting rods in a sliding connection manner, one end of the sliding rod movably penetrates through the upper fixed block and is fixedly connected to the sliding block, the other end of the sliding rod is fixedly connected to the table top supporting block, the pulley is vertically, the steel wire vertically passes through the upper fixing block and is fixedly connected with the upper fixing block, the steel wire is wound by the pulley and the reel to form a loop, and the motor drives the steel wire to move by driving the reel.

The above prior art solutions have the following drawbacks: when the motor pulls the steel wire to drive the desktop to ascend and descend, price rising of the two desk legs can be asynchronous, and the desktop can incline and the lifting mechanism can be locked.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric lift stand system of synchronous lift can guarantee through two driving motor synchronous working of controller control that two stands go up and down in step, guarantees through the turbine worm auto-lock that control system is out of work when, and the relative position of stand can guarantee stably.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an electric lifting upright post system capable of synchronously lifting comprises a top plate and two upright posts fixedly connected to the bottom of the top plate, wherein the two upright posts are both connected with a bottom rod, each bottom rod is provided with a sliding groove, the upright posts are connected in the sliding grooves in a sliding manner, the upright posts slide along the length direction of the sliding grooves, the positions, close to the two upright posts, of the top plate are both fixedly connected with driving motors, the output shafts of the driving motors are parallel to the bottom surface of the top plate, the output shafts of the driving motors are fixedly connected with worms, the worms are meshed with turbines, the centers of the turbines are fixedly connected with threaded rods, threaded sleeves;

the two driving motors are connected with a controller together, and the controller is externally connected with a power supply.

Through adopting above-mentioned scheme, two driving motor synchronous drive worms of controller simultaneous control rotate, and the worm drives the turbine and rotates, and the turbine drives the threaded rod and rotates, and the threaded rod drives the stand and reciprocates, because two driving motor receive the signal of controller output simultaneously, make two stands can the synchronous lift, and when turbine and worm auto-lock can guarantee that control system is out of work simultaneously, the relative position of stand can be guaranteed stably, and the stand can not unexpected whereabouts.

The utility model discloses further set up to: the dead slot has been seted up to the roof bottom, and the roof is close to dead slot position department and rotates and be connected with the apron, and the apron can cover the dead slot, and the apron can be dismantled and connect in the roof bottom, and the apron has been placed near the dead slot one side and has been heated the pad.

Through adopting above-mentioned scheme, the user can be through supplying power for the roof heat supply to the heating pad, makes the user use more comfortable under cold weather, and the apron can freely be dismantled simultaneously, and the user of being convenient for changes and maintains the heating pad.

The utility model discloses further set up to: the first hinge rod of apron one end fixedly connected with, the roof is close to first hinge rod position fixedly connected with second hinge rod, and first hinge rod is close to second hinge rod one end fixedly connected with axis of rotation, and the second hinge rod corresponds axis of rotation position department and has seted up the inserting groove, and the axis of rotation is pegged graft in the inserting groove, and first hinge rod one end bolted connection is kept away from on the roof to the apron.

Through adopting above-mentioned scheme, the apron can take off the bolt earlier, will lap and overturn downwards, takes the axis of rotation out from the inserting groove after taking the hot plate out again, can take off whole apron, dismantles convenient safety, has effectively reduced the dismantlement in-process and has leaded to the heating pad to drop the possibility of damage because of the apron drops suddenly.

The utility model discloses further set up to: the cover plate is provided with a plurality of air leakage holes.

By adopting the scheme, the air leakage hole prevents the air in the empty groove from being expanded by heat and then props up and damaging the top plate and the cover plate.

The utility model discloses further set up to: the apron is close to the fixed frame of dead slot one side fixedly connected with, and the heating pad joint is in fixed frame, and the groove of stepping down that the power cord that supplies the heating pad passes through is seted up to fixed frame.

Through adopting above-mentioned scheme, fixed frame can block the heating pad when the apron overturns downwards, prevents that the heating pad from falling out from the apron, and the groove of stepping down makes the heating pad outside using the battery power supply, also can connect the power cord power supply.

The utility model discloses further set up as the apron is close to fixed frame one side position department and rotates and be connected with L shaped plate, and fixed frame is close to L shaped plate position department and has seted up the joint groove, and the L shaped plate can the joint in the joint inslot, and L shaped plate both sides fixedly connected with has elastic lug, and fixed frame corresponds lug position department and has seted up the recess, and when L shaped plate joint in the joint inslot, the lug can the joint in the recess, and L shaped plate can the butt keep away from the apron in the heating pad one side.

Through adopting above-mentioned scheme, the heating pad can be pushed down to the L shaped plate, avoids the heating pad accident and apron separation, also can directly turn over the L shaped plate when dismantling the hot plate, can not influence the normal dismantlement of heating pad, convenient operation.

The utility model discloses further set up to: the roof is close to the equal fixedly connected with link of every driving motor position department, and the equal fixedly connected with mounting panel in link both sides, controller fixed connection are between two mounting panels outside the driving motor that corresponds in two equal fixed connection of link both sides.

Through adopting above-mentioned scheme, the roof is close to the equal fixedly connected with link of every driving motor position department, and the equal fixedly connected with mounting panel in link both sides, controller fixed connection are between two mounting panels outside the driving motor that corresponds in the equal fixed connection of two link.

To sum up, the utility model discloses following beneficial effect has:

1. the controller simultaneously controls the two driving motors to synchronously drive the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the threaded rod to rotate, and the threaded rod drives the stand column to move up and down;

2. the cover plate can be taken down by the bolts, the cover plate is turned downwards, the rotating shaft is taken out from the inserting groove after the heating plate is taken out, the whole cover plate can be taken down, the disassembly is convenient and safe, and the possibility that the heating pad is dropped and damaged due to the sudden drop of the cover plate in the disassembly process is effectively reduced;

3. the L shaped plate can be pressed down the heating pad, avoids the heating pad unexpected and apron separation, also can directly turn over the L shaped plate when dismantling the hot plate, can not influence the normal dismantlement of heating pad, convenient operation.

Drawings

FIG. 1 is a schematic view of the entire structure of the embodiment;

FIG. 2 is a sectional view showing the internal structure of the protruding columns and the bottom bar in the embodiment;

FIG. 3 is an enlarged view of the embodiment highlighting portion A of FIG. 2;

FIG. 4 is a partial schematic view of the salient controller, drive motor, worm gear and worm of the embodiment;

FIG. 5 is a schematic view of a protruding attachment frame and a mounting plate in an embodiment;

FIG. 6 is a sectional view of the protruding recess and the cover plate in the embodiment;

fig. 7 is an exploded view of the embodiment highlighting the first and second articulated mast;

FIG. 8 is an exploded view of the projected fixing frame, L-shaped plate and heating mat of the embodiment;

FIG. 9 is a sectional view of a protruding bump and a groove in the embodiment;

FIG. 10 is a block diagram of a highlighting control system in an embodiment.

In the figure, 1 is a top plate, 11 is a driving motor, 111 is a connecting frame, 112 is a mounting plate, 12 is a worm, 13 is a turbine, 14 is a threaded rod, 15 is a controller, 16 is a touch pad, 17 is an empty slot, 171 is a second hinge rod, 1711 is a plug slot, 18 is a cover plate, 181 is a first hinge rod, 1811 is a rotating shaft, 182 is a fixing frame, 1821 is a yielding slot, 1822 is a clamping slot, 1823 is a groove, 183 is a leakage hole, 184 is a L-shaped plate, 1841 is a convex block, 19 is a heating pad, 2 is a column, 3 is a bottom rod, 31 is a sliding slot, 32 is a threaded sleeve, 33 is a base, 4 is a control system, 41 is a manual control module, 42 is a motor control module, 43 is a position determining module, 44 is a position recording module, 45 is an automatic positioning module, 46 is a safe moving module, and 47 is a resetting module.

Detailed Description

Example (b): an electric lifting column system capable of lifting synchronously, as shown in fig. 1 and 2, comprises a top plate 1 and two columns 2 fixedly connected to the bottom of the top plate 1. Two stands 2 all are connected with sill bar 3, and spout 31 has been seted up to sill bar 3, and 2 sliding connection of stand are in spout 31. The bottom of the bottom rod 3 is fixedly connected with a base 33.

As shown in fig. 3 and 4, the top plate 1 is fixedly connected with driving motors 11 at positions close to the two columns 2, and output shafts of the driving motors 11 are parallel to the bottom surface of the top plate 1. An output shaft of the driving motor 11 is fixedly connected with a worm 12, the worm 12 is meshed with a worm wheel 13, the center of the worm wheel 13 is fixedly connected with a threaded rod 14, a threaded sleeve 32 is fixedly connected in the bottom rod 3, and the threaded rod 14 is in threaded connection with the threaded sleeve 32. The two driving motors 11 are connected with a controller 15 together, and the controller 15 is externally connected with a power supply. The controller 15 simultaneously controls the two driving motors 11 to synchronously drive the worm 12 to rotate, the worm 12 drives the worm wheel 13 to rotate, the worm wheel 13 drives the threaded rod 14 to rotate, and the threaded rod 14 drives the upright post 2 to move up and down.

As shown in fig. 3 and 5, the top plate 1 is fixedly connected with a connecting frame 111 at a position close to each driving motor 11, the two connecting frames 111 are fixedly connected outside the corresponding driving motors 11, the two sides of the connecting frame 111 are fixedly connected with mounting plates 112, and the controller 15 is fixedly connected between the two mounting plates 112. The controller 15 is fixed by matching the two mounting plates 112 with the top plate 1, and the bottom of the top plate 1 is a frame structure, so that the controller 15 has enough space for heat dissipation.

As shown in fig. 6 and 7, a hollow groove 17 is formed at the bottom of the top plate 1, a cover plate 18 is rotatably connected to the top plate 1 at a position close to the hollow groove 17, and the cover plate 18 can cover the hollow groove 17. A heating pad 19 is placed on one side of the cover plate 18 close to the empty groove 17. Cover 18 one end fixedly connected with first articulated link 181, roof 1 is close to first articulated link 181 position fixedly connected with second articulated link 171, and first articulated link 181 is close to second articulated link 171 one end fixedly connected with axis of rotation 1811, and inserting groove 1711 has been seted up to second articulated link 171 corresponding axis of rotation 1811 position department, and axis of rotation 1811 is pegged graft in inserting groove 1711, and cover 18 keeps away from first articulated link 181 one end bolted connection on roof 1. The cover plate 18 can be taken down by the bolts, the cover plate 18 is turned downwards, the rotating shaft 1811 is taken out from the inserting groove 1711 after the heating plate is taken out, the whole cover plate 18 can be taken down, the disassembly is convenient and safe, and the possibility that the heating pad 19 is damaged due to the fact that the cover plate 18 drops suddenly in the disassembly process is effectively reduced.

As shown in fig. 6, the cover plate 18 is provided with a plurality of air leakage holes 183. The air leakage holes 183 prevent the top plate 1 and the cover plate 18 from being damaged by the heated expansion of the air in the empty groove 17.

As shown in fig. 8 and 9, a fixing frame 182 is fixedly connected to one surface of the cover plate 18 close to the empty groove 17, the heating pad 19 is clamped in the fixing frame 182, and the fixing frame 182 is provided with an avoiding groove 1821 through which a power line of the heating pad 19 passes. The fixing frame 182 blocks the heating mat 19 when the cover plate 18 is turned downward, preventing the heating mat 19 from falling out of the cover plate 18. The relief groove 1821 allows the heating mat 19 to be connected to a power cord for power supply in addition to the storage battery.

As shown in fig. 8 and 9, an L-shaped plate 184 is rotatably connected to a position of the cover plate 18 close to one side of the fixing frame 182, a snap groove 1822 is formed at a position of the fixing frame 182 close to the L-shaped plate 184, the L-shaped plate 184 can be snapped in the snap groove 1822, elastic bumps 1841 are fixedly connected to two sides of the L-shaped plate 184, a groove 1823 is formed at a position of the fixing frame 182 corresponding to the bump 1841, when the L-shaped plate 184 is snapped in the snap groove 1822, the bumps 1841 can be snapped in the groove 1823, the L-shaped plate 184 can be abutted to a surface of the heating pad 19 far away from the cover plate 18, the L-shaped plate 184 can press the heating pad 19, the heating pad 19 is prevented from being accidentally separated from the cover plate 18, the L-shaped plate 184 can be.

As shown in fig. 10, a touch panel 16 (see fig. 1) is fixedly connected to the top plate 1, the controller 15 is electrically connected to the touch panel 16, and the control system 4 is connected to the touch panel 16. The control system 4 comprises a manual control module 41, a motor control module 42, a position determination module 43, a position registration module 44, an automatic positioning module 45, a safe movement module 46 and a reset module 47.

As shown in fig. 10, the manual control module 41 is connected to the touch panel 16, the touch panel 16 transmits a rising signal and a falling signal to the manual control module 41 after receiving an external signal, and the manual control module 41 transmits the received rising signal or falling signal to the motor control module 42. The touch panel 16 transmits a storage signal and a plurality of serial number signals to the manual control module 41 after receiving an external signal, and the manual control module 41 outputs the received storage signal or the plurality of serial number signals. When the motor control module 42 receives the ascending signal transmitted by the manual control module 41, the motor control module 42 controls the controller 15 to transmit forward voltage to the two driving motors 11, so as to drive the upright post 2 to ascend relative to the bottom rod 3. When the motor control module 42 receives the descending signal transmitted by the manual control module 41, the motor control module 42 controls the controller 15 to transmit negative voltage to the two driving motors 11, so as to drive the upright post 2 to descend relative to the bottom rod 3. The user transmits a control signal to the control system 4 through the touch panel 16, and the control system 4 controls the two driving motors 11 to synchronously drive the worm 12 to rotate through the controller 15.

As shown in fig. 10, the position determination module 43 is connected to the controller 15 and records the current and voltage values transmitted from the controller 15 to the driving motor 11 in real time, and the position determination module 43 calculates the current position of the column 2 with the initial position as the origin from the received current and voltage values.

As shown in fig. 10, the position recording module 44 stores a plurality of storage units with numbers, receives the storage signal transmitted from the manual control module 41, and starts receiving the number signal transmitted from the manual control module 41 after receiving the storage signal. The position recording module 44 calls the storage unit corresponding to the number after receiving the number signal, and the position recording module 44 calls the current position of the upright post 2 recorded by the position determining module 43 and stores the current position in the called storage unit.

As shown in fig. 10, the automatic positioning module 45 receives the number signal output by the manual control module 41. The automatic positioning module 45 calls the position of the upright 2 stored by the position recording module 44 and the current position of the upright 2 recorded by the position determining module 43 according to the received number signal, and the automatic positioning module 45 controls the current position of the upright 2 to move to the stored position of the upright 2 through the controller 15.

The user can record a plurality of positions of the upright post 2 through the control system 4, and then select the number through the touch panel 16 to enable the top plate 1 to automatically ascend and descend to the recorded position, so that the user can conveniently and quickly adjust the top plate 1 to the required height.

As shown in fig. 10, the safety moving module 46 is connected to the driving motor 11. The safety movement module 46 detects the state of the driving motor 11 when the output shaft of the driving motor 11 starts to rotate. If the output shaft of the driving motor 11 rotates abnormally, the safe moving module 46 controls the output shaft of the driving motor 11 to rotate reversely for a certain distance, and then stops the current operation of the system. When the upright post 2 encounters an obstacle in the lifting process and the output shaft of the driving motor 11 cannot rotate, the control system 4 immediately controls the output shaft of the driving motor 11 to rotate reversely for a period of time and then stops, and damage is avoided.

As shown in fig. 10, the reset module 47 receives the falling signal output by the manual control module 41, and the reset module 47 detects the state of the driving motor 11 after receiving the falling signal. When the rotation of the output shaft of the driving motor 11 is blocked, the reset module 47 controls the driving motor 11 to stop and waits for receiving the falling signal output by the manual control module 41. When the reset module 47 receives the down signal again, the reset module 47 controls the motor control module 42 to stop operating and transmit the forward voltage to the driving motor 11. And after a set time, controlling the driving motor 11 to stop working, and determining the position of the upright post 2 as the original position by the position determining module 43. When the system breaks down to cause the upright post 2 to go up and down asynchronously or the two upright posts 2 have different heights and the like, the user can control the two upright posts 2 to reset through the resetting module 47, and only a descending signal needs to be input into the touch pad 16 to enable the upright post 2 to descend to the bottom end and input the descending signal again to enable the upright post 2 to ascend upwards to the initial position.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an electric lift column system of synchronous lift, includes roof (1), two stands (2) of fixed connection in roof (1) bottom, and two stands (2) all are connected with sill bar (3), and spout (31) have been seted up in sill bar (3), and stand (2) sliding connection slides its characterized in that in spout (31) along the length direction of spout (31) in spout (31): the positions, close to the two upright posts (2), of the top plate (1) are fixedly connected with driving motors (11), output shafts of the driving motors (11) are parallel to the bottom surface of the top plate (1), output shafts of the driving motors (11) are fixedly connected with worms (12), the worms (12) are meshed with turbines (13), the centers of the turbines (13) are fixedly connected with threaded rods (14), threaded sleeves (32) are fixedly connected in the bottom rods (3), and the threaded rods (14) are in threaded connection with the threaded sleeves (32);

the two driving motors (11) are connected with a controller (15) together, and the controller (15) is externally connected with a power supply.

2. The synchronized lift electric lift mast system of claim 1, wherein: empty slot (17) have been seted up to roof (1) bottom, and roof (1) is close to empty slot (17) position department and rotates and be connected with apron (18), and apron (18) can cover empty slot (17), and apron (18) can be dismantled and connect in roof (1) bottom, and apron (18) are close to empty slot (17) one side and have placed heating pad (19).

3. The synchronized lift electric lift mast system of claim 2, wherein: first articulated rod (181) of apron (18) one end fixedly connected with, roof (1) is close to first articulated rod (181) position department fixedly connected with second articulated rod (171), first articulated rod (181) are close to second articulated rod (171) one end fixedly connected with axis of rotation (1811), axis of rotation (1811) position department has been seted up in correspondence of second articulated rod (171) inserting groove (1711), axis of rotation (1811) is pegged graft in inserting groove (1711), first articulated rod (181) one end bolted connection is kept away from in apron (18) on roof (1).

4. The synchronized lift electric lift mast system of claim 3, wherein: the cover plate (18) is provided with a plurality of air leakage holes (183).

5. The synchronized lift electric lift mast system of claim 3, wherein: one side of the cover plate (18) close to the empty groove (17) is fixedly connected with a fixing frame (182), the heating pad (19) is clamped in the fixing frame (182), and the fixing frame (182) is provided with a yielding groove (1821) for the power line of the heating pad (19) to pass through.

6. The electric lifting column system capable of synchronously lifting and descending as claimed in claim 5, wherein the cover plate (18) is rotatably connected with the L-shaped plate (184) at a position close to one side of the fixed frame (182), the fixed frame (182) is provided with a clamping groove (1822) at a position close to the L-shaped plate (184), the L-shaped plate (184) can be clamped in the clamping groove (1822), elastic bumps (1841) are fixedly connected to two sides of the L-shaped plate (184), the fixed frame (182) is provided with grooves (1823) at positions corresponding to the bumps (1841), when the L-shaped plate (184) is clamped in the clamping groove (1822), the bumps (1841) can be clamped in the grooves (1823), and the L-shaped plate (184) can abut against the heating pad (19) at a side far from the cover plate (18).

7. The synchronized lift electric lift mast system of claim 1, wherein: roof (1) is close to equal fixedly connected with link (111) of every driving motor (11) position department, and outside the equal fixed connection of two link (111) in the driving motor (11) that correspond, the equal fixedly connected with mounting panel (112) in link (111) both sides, controller (15) fixed connection is between two mounting panels (112).