CN219047697U - Electric lifting table - Google Patents

Abstract

The utility model relates to the technical field of lifting tables, in particular to an electric lifting table, wherein a supporting frame is fixedly arranged at the bottom of a table top, a driving motor is arranged on the supporting frame, a rotating shaft of the driving motor is coaxially connected with a rotating rod which is horizontally arranged, and the rotating rod is in transmission connection with a screw rod lifting mechanism; a sliding seat is slidably arranged on the sliding rail, a mounting plate is fixedly arranged at the bottom of the sliding seat, and a rocking handle mechanism for driving the rotating rod to rotate is arranged on the mounting plate; a vertically extending sliding cavity is arranged in the mounting plate, a locking block is arranged in the sliding cavity in a sliding manner, a first clamping groove matched with the locking block is formed in the bottom of the sliding rail, and when the sliding seat slides along the sliding rail to the state that the rocking handle mechanism is connected with the rotating rod, the locking block is aligned with the first clamping groove; the sliding seat is slid along the sliding rail to one side close to the rotating rod until the sliding seat drives the inserting block to be inserted into the slot, and meanwhile, the first spring pushes the locking block to be upwards clamped into the first clamping groove, so that the inserting block cannot be separated from the slot, and the adjusting column and the rotating rod are kept in a stable connection state.

Description

Electric lifting table

Technical Field

The utility model relates to the technical field of lifting tables, in particular to an electric lifting table.

Background

Along with the wide application of the table in work, study and life of people, the comfort and convenience requirements of people on the table are higher and higher, so that the table capable of being adjusted in a lifting way is popular with users.

The existing lifting table is generally driven to lift by a motor, but the lifting table cannot be used in places without power supply or in the case of power failure. The utility model patent with the application number of 202121453232.4 discloses a portable manual/automatic lifting table, which comprises a table top and a bracket for supporting the table top, wherein supporting feet are fixed below the bracket, are sleeved in table legs and can move up and down along the table legs; one side surface of the supporting leg is fixed with a supporting frame, the other side surface of the supporting leg is fixed with a motor box, a motor is arranged in the motor box, the motor is mechanically connected with a rear transmission rod, and one end of the rear transmission rod penetrates through a through hole on one side above the supporting leg; a supporting seat is fixed on the supporting frame, a plastic sleeve is arranged in the supporting seat, and a clutch head is arranged in the plastic sleeve; the handle is arranged in the fixed buckle, and when the handle moves backwards under the action of external force, the rear transmission rod is connected with the front transmission rod of the handle. The lifting table can use a manual mode to lift the table top, can also electrically lift the table top, has compact structure and is convenient to use.

However, when the lifting table is used for lifting the table top in a manual mode, the front transmission rod is required to be kept in a state of being inserted in the plastic sleeve while the handle is rocked, so that the difficulty of manually lifting the table top is increased, the adjustment process is very inconvenient, and the lifting table top needs to be improved.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an electric lifting table, which is convenient for adjusting the connection state between a rocking handle mechanism and a rotating rod so as to solve the technical problem that the manual lifting table top of the existing lifting table is difficult to lift.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the electric lifting table comprises a table top, wherein a supporting frame is fixedly arranged at the bottom of the table top, a screw rod lifting mechanism is arranged in the supporting frame, a driving motor is arranged on the supporting frame, a rotating rod which is horizontally arranged is coaxially connected to a rotating shaft of the driving motor, and the rotating rod is in transmission connection with the screw rod lifting mechanism; the bottom of the tabletop is fixedly provided with a sliding rail extending along the length direction of the rotating rod, the sliding rail is provided with a sliding seat in a sliding manner, the bottom of the sliding seat is fixedly provided with a mounting plate, and the mounting plate is provided with a rocking handle mechanism for driving the rotating rod to rotate; the utility model discloses a sliding block, including the mounting panel, the mounting panel is equipped with the sliding chamber of vertical extension, the sliding chamber upwards pierces through the slide, sliding installation has the locking piece in the sliding chamber, the slide rail bottom be equipped with locking piece assorted first draw-in groove, works as the slide is followed the slide rail slides extremely rocking handle mechanism with when the bull stick links to each other, the locking piece with first draw-in groove aligns, the locking piece with be connected with first spring between the diapire of sliding chamber, one side of locking piece is equipped with the shifting block, be equipped with on the mounting panel and supply the bar hole that the shifting block was worn out.

As a further improvement, a second clamping groove matched with the locking block is further formed in the bottom of the sliding rail, and when the locking block is inserted into the second clamping groove, the rocking handle mechanism is separated from the rotating rod.

As the preferred technical scheme, rocking handle mechanism is including rotating the regulation post of installing on the mounting panel, the regulation post with the bull stick is coaxial to be set up, the regulation post is kept away from the one end fixed mounting of bull stick has the crank, the regulation post is close to the one end movable mounting of bull stick has the inserted block of polygon post dress, the bull stick is kept away from driving motor's one end fixed mounting has the connecting seat, be equipped with on the connecting seat and supply inserted block male slot, works as the inserted block inserts in the slot, the locking piece with first draw-in groove aligns.

As a further improvement, a sliding cavity extending along the length direction of the adjusting column is formed in the adjusting column, a stop block is arranged in the sliding cavity in a sliding mode, the inserting block is fixedly arranged on one side, close to the rotating rod, of the stop block, a through hole for the inserting block to penetrate out is formed in one end of the adjusting column, and a second spring is connected between one side, far away from the rotating rod, of the stop block and the inner wall of the sliding cavity.

As a further improvement, two ends of the sliding rail are respectively and fixedly provided with a baffle plate matched with the sliding seat.

After the technical scheme is adopted, the utility model has the beneficial effects that:

(1) In the electrified state, the rotating rod is driven to rotate by the driving motor, and the worm wheel and the transmission rod are driven to rotate by the rotating rod through the worm, so that the height of the tabletop is adjusted in an electric mode; or in the power-off state, the sliding seat is slid along the sliding rail to one side close to the rotating rod and the insert block is inserted into the slot, then the crank can be rocked to drive the adjusting column to rotate, and the adjusting column drives the rotating rod to rotate through the insert block, so that the height of the tabletop is adjusted in a manual mode, and the desktop has the advantage of being convenient to use in different scenes;

(2) When the height of the desktop is adjusted manually, the sliding seat is slid along the sliding rail to one side close to the rotating rod until the sliding seat drives the insert block to be inserted into the slot, and meanwhile, the first spring pushes the lock block to be upwards clamped into the first clamping groove, so that the insert block cannot be separated from the slot, the adjusting column and the rotating rod are kept in a stable connection state, and then the crank is rocked to adjust the height of the desktop, so that the manual adjustment of the height of the desktop is more convenient;

(3) When this application was adjusted the height of desktop through electric mode, drove the locking piece through the dial down and breaks away from first draw-in groove, then along the slide rail to the one side slip slide that keeps away from the bull stick and make the inserted block break away from the slot, until in first spring promotes the locking piece upwards card goes into the second draw-in groove to make adjusting post and bull stick keep the state of disconnection, thereby conveniently adjust the connected state between rocking handle mechanism and the bull stick.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a support frame according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of A-A in FIG. 2;

FIG. 4 is a schematic cross-sectional view of B-B in FIG. 3;

fig. 5 is a schematic structural view of an adjusting column according to an embodiment of the present utility model.

In the figure: 1-a desktop; 2-a support frame; 3-supporting legs; 4-an inner tube; 5-an outer tube; 6-a driving box; 7-a screw rod; 8-a sleeve; 9-a nut; 10-a transmission rod; 11-bevel gears; 12-driving a motor; 13-turning rods; 14-worm; 15-worm wheel; 16-slide rails; 17-a slide; 18-mounting plates; 19-a conditioning column; 20-crank; 21-plug blocks; 22-connecting seats; 23-slots; 24-sliding cavity; 25-locking blocks; 26-a first card slot; 27-a first spring; 28-shifting blocks; 29-bar-shaped holes; 30-a second clamping groove; 31-a sliding chamber; 32-a stop; 33-through holes; 34-a second spring; 35-baffle.

Detailed Description

As shown in fig. 1 to 5, an electric lifting table comprises a table top 1, wherein a supporting frame 2 is fixedly arranged at the bottom of the table top 1, the supporting frame 2 comprises two supporting legs 3 which are oppositely arranged left and right, each supporting leg 3 comprises an inner tube 4 and an outer tube 5, the inner tube 4 is inserted into the lower end of the outer tube 5, the lower end of the inner tube 4 is provided with supporting feet through bolts, the upper end of the outer tube 5 is arranged at the bottom of the table top 1 through bolts, and a driving box 6 is arranged between the upper ends of the two outer tubes 5 through bolts.

As shown in fig. 2, a screw rod lifting mechanism is arranged in the supporting frame 2, the screw rod lifting mechanism comprises a screw rod 7, the upper end of the screw rod 7 is rotatably arranged in the outer tube 5 through a bearing, a sleeve pipe 8 which extends vertically is arranged in the lower end of the inner tube 4 through a bolt, a nut 9 matched with the screw rod 7 is arranged at the upper end of the sleeve pipe 8 through a bolt, a transmission rod 10 which extends left and right is rotatably arranged in the driving box 6 through a bearing, two ends of the transmission rod 10 respectively extend into the corresponding outer tube 5, and two ends of the transmission rod 10 are respectively connected with the upper ends of the corresponding screw rod 7 through a pair of bevel gears 11 which are meshed with each other.

When the transmission rod 10 rotates, two screw rods 7 are driven to synchronously rotate through bevel gear sets at two ends, and when the screw rods 7 rotate, nuts 9 are acted on to drive the inner tube 4 to vertically slide along the outer tube 5, and the height of the tabletop 1 is adjusted by adjusting the length of the inner tube 4 extending out of the outer tube 5.

As shown in fig. 3, a driving motor 12 is installed on the supporting frame 2, a fixing plate of the driving motor 12 is installed on one side of the driving box 6 through bolts, an installation opening through which a rotating shaft of the driving motor 12 passes is formed in the side wall of the driving box 6, which is close to the side wall of the driving motor 12, a rotating rod 13 which is horizontally arranged is coaxially connected to the rotating shaft of the driving motor 12 through a coupling, one end of the rotating rod 13, which is far away from the driving motor 12, passes through the side wall of the driving box 6 and extends to one side of the driving box 6, which is far away from the driving motor 12, the rotating rod 13 is connected with the side wall of the driving box 6 through bearings, the rotating rod 13 is in transmission connection with a screw rod lifting mechanism, a worm 14 is arranged on the rotating rod 13, a worm wheel 15 meshed with the worm 14 is installed on the transmission rod 10, a hand controller for controlling the rotation of the driving motor 12 is installed at the bottom of the desktop 1, the rotation of the driving motor 12 is controlled to rotate through adjusting the hand controller under the electrified state, the rotating rod 13 is driven by the worm rod 13 to rotate through the worm 14, and the worm 15 and the transmission rod 10 are driven to rotate through the worm 14, so that the height of the desktop 1 is adjusted in an electric mode.

The bottom of the tabletop 1 is provided with a sliding rail 16 extending along the length direction of the rotating rod 13 through bolts, the sliding rail 16 is provided with a sliding seat 17 in a sliding manner, the sliding seat 17 is U-shaped, two sides of the sliding rail 16 along the width direction are respectively provided with a guide groove, the guide grooves extend along the length direction of the sliding rail 16, and guide convex strips matched with the guide grooves are arranged in the sliding seat 17. The mounting plate 18 is installed through the bolt to the bottom of slide 17, be equipped with on the mounting plate 18 and be used for driving bull stick 13 pivoted rocking handle mechanism, specifically, rocking handle mechanism includes through the adjusting column 19 of bearing rotation installation on mounting plate 18, adjusting column 19 and bull stick 13 coaxial setting, the one end fixed mounting who keeps away from bull stick 13 of adjusting column 19 has crank 20, the one end movable mounting that adjusting column 19 is close to bull stick 13 has the inserted block 21 of polygon prism dress, the one end that bull stick 13 kept away from driving motor 12 is installed connecting seat 22 through the bolt, be equipped with on the connecting seat 22 and supply inserted block 21 male slot 23.

In the power-off state, the sliding seat 17 is slid along the sliding rail 16 to the side close to the rotating rod 13, the sliding seat 17 drives the adjusting column 19 to be close to the rotating rod 13 through the mounting plate 18 and the inserting block 21 is inserted into the inserting groove 23, then the crank 20 can be rocked to drive the adjusting column 19 to rotate, and the adjusting column 19 drives the rotating rod 13 to rotate through the inserting block 21, so that the height of the tabletop 1 is adjusted manually.

Or when the height of the desktop 1 is adjusted in an electric mode, the sliding seat 17 is slid along the sliding rail 16 to the side far away from the rotating rod 13, the sliding seat 17 drives the adjusting column 19 to be far away from the rotating rod 13 through the mounting plate 18 and the inserting block 21 to be separated from the inserting groove 23, so that the condition that the adjusting column 19 and the crank 20 are driven to rotate to hurt a user when the rotating rod 13 rotates is avoided.

As shown in fig. 3, a vertically extending sliding cavity 24 is arranged in the mounting plate 18, the sliding cavity 24 penetrates through the sliding seat 17 upwards, a locking block 25 is slidably mounted in the sliding cavity 24, a first clamping groove 26 matched with the locking block 25 is formed in the bottom of the sliding rail 16, when the sliding seat 17 slides along the sliding rail 16 until the rocking handle mechanism is connected with the rotating rod 13, and particularly when the inserting block 21 is inserted into the inserting groove 23, the locking block 25 is aligned with the first clamping groove 26, and a first spring 27 is connected between the locking block 25 and the bottom wall of the sliding cavity 24. When the height of the desktop 1 is manually adjusted, the sliding seat 17 is slid along the sliding rail 16 to a side close to the rotating rod 13 until the sliding seat 17 drives the insert block 21 to be inserted into the slot 23, so that the lock block 25 is aligned with the first clamping groove 26, and the first spring 27 pushes the lock block 25 to be clamped upwards into the first clamping groove 26, so that the sliding seat 17 is limited to slide along the sliding rail 16, the insert block 21 cannot be separated from the slot 23, the adjusting column 19 and the rotating rod 13 are kept in a stable connection state, and then the crank 20 is rocked to adjust the height of the desktop 1.

As shown in fig. 4, in order to facilitate adjustment of the lock block 25, a dial block 28 is provided on one side of the lock block 25, and a bar-shaped hole 29 through which the dial block 28 passes is provided on the mounting plate 18. When the locking piece 25 is clamped into the first clamping groove 26 or the second clamping groove 30, the locking piece 25 can be driven to slide downwards along the sliding cavity 24 by downwards pulling the shifting block 28, so that the locking piece 25 is separated from the corresponding clamping groove.

As shown in fig. 3, a second clamping groove 30 matched with the locking piece 25 is further formed in the bottom of the sliding rail 16, when the locking piece 25 is inserted into the second clamping groove 30, the rocking handle mechanism is separated from the rotating rod 13, and the inserting piece 21 is separated from the inserting groove 23. When the height of the desktop 1 is adjusted in an electric mode, the shifting block 28 is shifted downwards to drive the locking block 25 to be separated from the first clamping groove 26, then the sliding seat 17 is slid along the sliding rail 16 to the side far away from the rotating rod 13, the inserting block 21 is separated from the inserting groove 23 until the locking block 25 moves to be aligned with the second clamping groove 30, and then the first spring 27 pushes the locking block 25 to be clamped upwards into the second clamping groove 30, so that the sliding seat 17 is limited to slide randomly, and the adjusting column 19 and the rotating rod 13 are kept in a disconnected state.

As shown in fig. 5, in order to facilitate insertion of the insert block 21 into the slot 23, a sliding cavity 31 extending along the length direction of the insert block 21 is provided in the adjusting column 19, a stopper 32 is slidably mounted in the sliding cavity 31, the insert block 21 is integrally formed at one side of the stopper 32 near the rotating rod 13, a through hole 33 through which the insert block 21 passes is provided at one end of the adjusting column 19, and a second spring 34 is connected between one side of the stopper 32 far from the rotating rod 13 and the inner wall of the sliding cavity 31. When the sliding seat 17 slides along the sliding rail 16 to the side close to the rotating rod 13, if the angle of the insert block 21 is just coincident with the angle of the slot 23, the insert block 21 can be directly driven to be inserted into the slot 23; if the angle of the insert block 21 does not coincide with the slot 23, when the lock block 25 is clamped into the first clamping groove 26, the insert block 21 cannot be directly inserted into the slot 23, the connecting seat 22 abuts against the end of the insert block 21 and pushes the insert block 21 to retract into the through hole 33, and then the crank 20 can be rocked to drive the adjusting column 19 and the insert block 21 to rotate until the insert block 21 rotates to coincide with the slot 23, and the elasticity of the second spring 34 enables the insert block 21 to be automatically inserted into the slot 23.

In order to prevent the slide 17 from being separated from the slide rail 16, both ends of the slide rail 16 are respectively mounted with a baffle 35 matched with the slide 17 by bolts.

The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an electronic elevating table, includes the desktop, the bottom fixed mounting of desktop has braced frame, be equipped with lead screw elevating system in the braced frame, its characterized in that: the support frame is provided with a driving motor, a rotating shaft of the driving motor is coaxially connected with a rotating rod which is horizontally arranged, and the rotating rod is in transmission connection with the screw rod lifting mechanism; the bottom of the tabletop is fixedly provided with a sliding rail extending along the length direction of the rotating rod, the sliding rail is provided with a sliding seat in a sliding manner, the bottom of the sliding seat is fixedly provided with a mounting plate, and the mounting plate is provided with a rocking handle mechanism for driving the rotating rod to rotate; the utility model discloses a sliding block, including the mounting panel, the mounting panel is equipped with the sliding chamber of vertical extension, the sliding chamber upwards pierces through the slide, sliding installation has the locking piece in the sliding chamber, the slide rail bottom be equipped with locking piece assorted first draw-in groove, works as the slide is followed the slide rail slides extremely rocking handle mechanism with when the bull stick links to each other, the locking piece with first draw-in groove aligns, the locking piece with be connected with first spring between the diapire of sliding chamber, one side of locking piece is equipped with the shifting block, be equipped with on the mounting panel and supply the bar hole that the shifting block was worn out.

2. An electric lift table as claimed in claim 1 wherein: the bottom of the sliding rail is also provided with a second clamping groove matched with the locking block, and when the locking block is inserted into the second clamping groove, the rocking handle mechanism is separated from the rotating rod.

3. An electric lift table as claimed in claim 1 wherein: the rocking handle mechanism is including rotating the regulation post of installing on the mounting panel, the regulation post with the bull stick is coaxial to be set up, the regulation post is kept away from the one end fixed mounting of bull stick has the crank, the regulation post is close to the one end movable mounting of bull stick has the inserted block of polygon prism dress, the bull stick is kept away from driving motor's one end fixed mounting has the connecting seat, be equipped with on the connecting seat and supply inserted block male slot, works as the inserted block inserts in the slot, the locking piece with first draw-in groove aligns.

4. An electric lift table as claimed in claim 3 wherein: the adjusting column is internally provided with a sliding cavity extending along the length direction of the adjusting column, a stop block is arranged in the sliding cavity in a sliding mode, the inserting block is fixedly arranged on one side, close to the rotating rod, of the stop block, one end of the adjusting column is provided with a through hole for the inserting block to penetrate out, and a second spring is connected between one side, far away from the rotating rod, of the stop block and the inner wall of the sliding cavity.

5. An electric lift table as claimed in claim 1 wherein: and baffle plates matched with the sliding seat are respectively and fixedly arranged at two ends of the sliding rail.

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