Single-motor lifting table

Abstract

The utility model discloses a single-motor lifting table which comprises a table top and a cross beam frame installed on the back of the table top, a pair of lifting columns are installed on the two sides of the cross beam frame, a lead screw mechanism and a gear box in transmission connection with the lead screw mechanism are installed in the lifting columns, a mounting frame is arranged on the lifting columns or the cross beam frame, a motor is installed on the mounting frame, and the motor is connected with the lifting columns. The output end of the motor is connected with a transmission rod assembly, and the two ends of the transmission rod assembly are connected with the gear boxes in the lifting columns on the two sides respectively. According to the single-motor lifting table, the deviation angle is reduced when the transmission rod assembly is connected with the gear box of the lifting column, the stability is improved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a single motor lifting table belongs to lifting table technical field. BACKGROUND

[0002] Lifting table with its can adjust the characteristics of the desktop height according to actual needs has been more widely used in life and work, for the convenience of installation, reduce the material and time of making, disclosed application No. CN201921569803.3's a simple type single motor lifting table, installs the transmission on both sides of the descending column including gear box, and directly installs the motor on one of the lifting columns, the output end of the motor is connected with transmission rod assembly, and the both ends of transmission rod assembly are respectively connected with the gear box in the lifting column, the motor drives transmission rod assembly to rotate and changes the rotating direction through the gear box to drive the screw rod mechanism to work to make both sides of the lifting column synchronous lifting, because the axial line of transmission rod assembly is difficult to guarantee concentric with the axial line of the connecting gear box when installing on the motor in the actual installation process, the gear in the transmission rod assembly and the gear box will exist deviation, and the lifting column away from the motor can have a larger deformation amplitude due to the length of the transmission rod assembly between the two, which can reduce the deviation angle of the connection with the gear box through deformation, so it has better stability, and the transmission rod assembly between the gear box of the lifting column of the installation motor side and the motor is extremely short, the deformation amplitude is very small, it is difficult to reduce the deviation angle when connecting with the corresponding side gear box through its deformation, causing uneven force of the gear in the gear box, thereby increasing wear and noise, affecting stability and service life. SUMMARY

[0003] The utility model wants to solve the technical problem of providing a single motor lifting table, beneficial to reduce the deviation angle when the transmission rod assembly and the gear box of the lifting column are connected, improve stability and service life, and can solve the deficiency of the prior art.

[0004] The technical scheme of the utility model is: a single motor lifting table, including the desktop and the crossbeam frame installed in the back of the desktop, a pair of lifting columns are installed on both sides of the crossbeam frame, a screw rod mechanism and a gear box are installed in the lifting column, an installation frame is arranged on the lifting column or the crossbeam frame, a motor is installed on the installation frame, a transmission rod assembly is connected to the output end of the motor, and the both ends of the transmission rod assembly are respectively connected with the gear box in the lifting column.

[0005] Further, the transmission rod assembly comprises a first transmission rod, a second transmission rod and a connecting pipe. The first transmission rod is installed on the output end of the motor and is connected with the gear box in the corresponding lifting column at one end and is inserted with the connecting pipe at the other end. The second transmission rod is connected with the gear box in the other lifting column at one end and is slidably connected with the connecting pipe at the other end. The connecting pipe is provided with a fastening device for fixing the second transmission rod.

[0006] Further, the fastening device comprises an elastic clamp and a fastening sleeve which is screwed on the elastic clamp. The elastic clamp is fixed on the end of the connecting pipe for the second transmission rod to pass through. The fastening sleeve is rotated relative to the elastic clamp to adjust the tightness of the clamp.

[0007] Further, the cross beam frame comprises two support frames and a sliding pipe. The sliding pipe is slidably connected with the two support frames. The support frames are provided with bolts for fixing the sliding pipe.

[0008] Further, the lifting column is connected with the middle part of the support leg. The support leg is provided with cabinet legs at both ends.

[0009] Further, the hand controller is installed on the back of the table top and is connected with the motor and the adapter through wires. The back of the table top is provided with a wire tie for fixing the wires.

[0010] By installing the motor on the mounting frame, the gear box in the two lifting columns and the motor have a long distance. The transmission rod assembly installed on the output end of the motor has a large deformation range. The gear box can be connected with the transmission rod assembly by using the deformation of the transmission rod assembly to reduce the deviation angle, improve the uniformity of the gear connection force in the gear box, reduce the wear and noise, and improve the stability and service life. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a three-dimensional schematic view of the utility model;

[0012] Fig. 2 It is a schematic view of the transmission rod assembly;

[0013] Fig. 3 It is a schematic view of the cross beam frame.

[0014] As shown in the drawings: table top 1; cross beam frame 2; lifting column 3; mounting frame 4; motor 5; transmission rod assembly 6; first transmission rod 7; second transmission rod 8; connecting pipe 9; elastic clamp 10; fastening sleeve 11; spline assembly 12; support frame 13; sliding pipe 14; support leg 15; cabinet leg 16; hand controller 17; adapter 18; wire tie 19. DETAILED DESCRIPTION

[0015] The embodiment of the utility model: as Figs. 1 to 3 As shown in a kind of single motor lifting table, including desktop 1 and the beam frame 2 of installation in the back of desktop 1, beam frame 2 two sides are equipped with a pair of lifting column 3, lifting column 3 is equipped with screw rod mechanism and the gear box of transmission coupling with screw rod mechanism, lifting column 3 or beam frame 2 is equipped with mounting bracket 4, mounting bracket 4 is equipped with motor 5, motor 5 output end is equipped with transmission rod assembly 6, transmission rod assembly 6 two ends are respectively connected with the gear box in the lifting column 3 of two sides, transmission rod assembly 6 is rigid while having certain tenacity, by being equipped with mounting bracket 4 on beam frame 2 or lifting column 3, motor 5 is installed on mounting bracket 4, and gear box in the lifting column 3 of two sides is long distance, make transmission rod assembly 6 have greater deformation amplitude and be connected with the gear box in the lifting column 3 of two sides, reduce offset angle, improve the uniformity of gear coupling force inside gear box, it is favorable to reduce wear and noise, improve stability and service life.

[0016] As a kind of preferred, transmission rod assembly 6 includes transmission rod one 7, transmission rod two 8, connecting pipe 9, transmission rod one 7 is installed on the output end of motor 5, one end is inserted and is connected with the gear box in the lifting column 3 of its close side, the other end is equipped with the spline assembly 12 of the insertion fit cooperation with one end of connecting pipe 9, after insertion of both, spline coupling is realized, transmission rod two 8 one end is connected with the gear box in the lifting column 3 of another side, the other end of transmission rod two 8 is slidably connected with the other end of connecting pipe 9, connecting pipe 9 is equipped with fastening device with transmission rod two 8 at end, and fastening device includes elastic chuck 10, fastening sleeve 11 is screwed on elastic chuck 10, when using, transmission rod one 7 one end on motor 5 is connected with the gear box in the lifting column 3, the other end is connected with one end of connecting pipe 9 by spline assembly 12, transmission rod two 8 is connected with the gear box in the lifting column 3 of another side after sliding with connecting pipe 9, and then fastening sleeve 11 is tightened, and elastic chuck 10 is clamped to fix transmission rod two 8, compared with the traditional transmission rod one 7 also with connecting pipe 9 slidingly connected and with the same fastening device as transmission rod two 8 connection fixed, the present application is more convenient by spline assembly 12 insertion connection, can be conveniently realized the connection between the lifting column of different spacing.

[0017] As a kind of preferred, beam frame 2 includes the support frame 13 of two sides and the sliding pipe 14 of middle, sliding pipe 14 is slidably connected with the support frame 13 of two sides, bolt is screw-connected on support frame 13 and is fixed with sliding pipe 14, when installing, lifting column 3 is fixed with the support frame 13 of corresponding side, after the length of the support frame 13 of two sides installed lifting column 3 is slidably adjusted with sliding pipe 14, bolt is tightened, and the support frame 13 is fixed with sliding pipe 14, then beam frame 2 is fixed with desktop 1, realize the distance adjustment between beam frame 2 and two lifting columns 3, can be applied to different length table.

[0018] As a kind of preferred, the bottom of lifting column 3 is equipped with support foot 15, lifting column 3 is connected to the middle part of support foot 15, and cabinet foot 16 is screw-connected at both ends of support foot 15, to improve the stability of lifting support, and the stable placement on uneven ground can be adapted by adjusting height through rotating cabinet foot 16.

[0019] As a kind of preferred, including hand controller 17, adapter 18, hand controller 17 is installed on the back of tabletop 1 and connected with motor 5 and adapter 18 through line respectively, to control the operation of motor 5 through hand controller 17, to realize the lifting control of lifting table, and wire tie 19 of fixed line is arranged on the back of tabletop 1, to make the line orderly fixed on the back of tabletop 1.

Claims

1. A single-motor lifting table, comprising a table top and a cross beam frame installed at the back of the table top, a pair of lifting columns are installed on both sides of the cross beam frame, a lead screw mechanism is installed in the lifting column, and a gear box is drivingly connected with the lead screw mechanism, characterized in that: The lifting column or beam frame is provided with a mounting frame, a motor is mounted on the mounting frame, a transmission rod assembly is connected to the output end of the motor, and the two ends of the transmission rod assembly are respectively connected with the gear boxes in the two lifting columns; the transmission rod assembly comprises a transmission rod one, a transmission rod two and a connecting pipe, the transmission rod one is mounted on the output end of the motor, one end of the transmission rod one is connected with the gear box in the corresponding side lifting column, and the other end of the transmission rod one is spline-inserted with one end of the connecting pipe, one end of the transmission rod two is connected with the gear box in the other lifting column, and the other end of the transmission rod two is slidingly connected with the other end of the connecting pipe, and the connecting pipe is provided with a fastening device fixed with the transmission rod two at the connecting end of the transmission rod.

2. The single-motor lift table of claim 1, wherein: The fastening device comprises an elastic chuck and a fastening sleeve screw-connected with the elastic chuck, the elastic chuck is fixed on the end of the connecting pipe for the transmission rod two to pass through, and the fastening sleeve is relatively rotated with the elastic chuck to adjust the tightness of the chuck.

3. The single-motor lift table of claim 1, wherein: The beam frame comprises two side support frames and a sliding pipe in the middle, the sliding pipe is slidingly connected with the two side support frames, and the support frame is screw-connected with a bolt for fixing the sliding pipe.

4. The single-motor lift table of claim 1, wherein: The bottom of the lifting column is provided with a support leg, the lifting column is connected to the middle of the support leg, and the support leg is provided with a cabinet leg at both ends.

5. The single-motor lift table of claim 1, wherein: The hand controller is mounted on the back of the table top and connected with the motor and the adapter through lines, and the back of the table top is provided with a line tie for fixing the lines.

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