CN108013590A - Same table on electric table - Google Patents

Abstract

The invention discloses an electric lifting table on the table, which comprises a base and a table board, the base and the table board are connected by a pair of lifting arms, the base is provided with a driving device for controlling the lifting of the lifting arm; the base is composed of The lifting arm is connected with two supporting tables and a cross bar between the two supporting tables. The driving device includes a driving motor and a worm and gear transmission mechanism connected with the driving motor. The worm and gear transmission mechanism is connected with a transmission rod arranged in the cross bar. Two ends of the transmission rod are respectively provided with a gear transmission mechanism, and a screw assembly is provided in the two support platforms, and the screw assembly is connected with the corresponding gear transmission mechanism. The electric lifting table designed in this way has a high degree of automation, and the table board directly adopts the electric lifting method, which is flexible in lifting and easy to use.

Description

Electric desk lift table

technical field

The invention relates to an elevating table, in particular to an electric elevating table on the table.

Background technique

As a daily necessities, the table is commonly used in life, work and school study. The general table is usually composed of a table top and table legs fixedly connected, and the length of the table legs is also fixed, so that the height of the entire table top is fixed. regulated. With the different application environments and the application needs of different groups of people, the requirements for the height diversity, automation and comfort of the table are getting higher and higher.

The Chinese patent No. 201620882992.X discloses a table-mounted elevating workbench: it includes the elevating workbench body, the elevating workbench body includes an upper platform and a lower platform, and at least one set of The connection of the lifting arm is used to adjust the height of the upper platform relative to the lower platform. It also includes at least one set of self-locking gas springs. One end of the self-locking gas spring is connected to the lifting arm, and the other end is connected to the upper platform or the lower platform. The recovery force of the upper platform rises, and the control valve of the self-locking gas spring is connected with the wrench arranged on the upper platform through a drag cable.

The elevating workbench disclosed in the above technical solution requires manual control when adjusting the height, and the height adjustment is not flexible enough, so it is inconvenient to use.

Contents of the invention

In view of the above-mentioned defects in the prior art, the object of the present invention is to provide a flexible and convenient electric lift table.

The technical solution of the present invention is: the electric table lifting table includes a base and a table board, and the base and the table board are connected by a pair of lifting arms, and the driving device for controlling the lifting of the lifting arm is provided on the base;

The base is composed of two supporting tables connected with the lifting arm and a cross bar between the two supporting tables. The driving device includes a driving motor, a worm gear and worm transmission mechanism connected with the driving motor, and the worm gear and worm transmission mechanism are arranged in the cross bar. The two ends of the transmission rod are respectively provided with a gear transmission mechanism, and the two supporting tables are provided with screw assemblies, and the screw assembly is connected with the corresponding gear transmission mechanism.

Further, the worm gear transmission mechanism includes an output worm connected to the rotating shaft of the drive motor, an output worm gear matched with the output worm, a buffer gear stuck at the bottom end of the output worm wheel, and a transmission connection seat connected to the buffer gear. The transmission connection seat is connected to transmission rod.

A circle of helical teeth is evenly distributed on the outer peripheral surface of the output worm, and the output worm is provided with helical teeth, and the helical teeth mesh with the helical teeth;

Six protruding teeth are evenly distributed on the outer wall of the buffer gear, and a card slot is formed between two adjacent protruding teeth, that is, there are six card slots evenly distributed on the buffer gear, and one end of the output worm wheel has a ring, and there is a buffer ring inside the ring. The gear is inserted into the groove, and the inner wall of the groove is provided with three clamping blocks, the three clamping blocks are clamped into the three clamping slots, one end of the transmission connection seat has three positioning blocks, and the three positioning blocks are clamped into the remaining three clamping slots;

The other end of the transmission connection seat has a protruding post, and a fixing hole is arranged on the protruding post, and one end of the transmission rod is inserted into the fixing hole and fixed with the protruding post.

Further, the gear transmission mechanism includes a first gear fixed on the transmission rod, and a second gear matched with the first gear and connected with the screw assembly.

Further, the screw assembly includes a screw main body, a screw nut arranged on the screw main body, and a first sliding table fixed to the screw nut, one end of the screw main body is connected with the second gear, and the first sliding table It is connected with the lifting arm, and the top of the supporting platform is provided with a first slide rail which slides and cooperates with the first sliding platform.

Further, the lift arm includes a first lift rod and a second lift rod that are hinged in the middle and are X-shaped, the upper end of the first lift rod is hinged to the front end of the bracket at the bottom of the table, and the lower end is fixed to the first slide table; The upper end of the elevating rod is provided with a second sliding platform, the second sliding platform is slidingly matched with the second slide rail arranged on the bracket, and the lower end of the second elevating rod is hinged with the front end of the supporting platform.

Further, the front end of the bracket is also provided with a keyboard tray under the table.

Further, the desktop is also provided with a wireless charger for notebooks, a wireless charger for mobile phones and a control panel, the wireless charger for notebooks is located in the middle of the table, the wireless charger for mobile phones is located in the upper left corner of the table, and the control panel is located in the lower left corner of the table .

Further, the bottom of the base is provided with a plurality of suction cups.

Further, the bottom of the table is provided with a controller electrically connected to the drive motor.

The beneficial effect of applying the electric lift table provided by the present invention is that the degree of automation is high, the table board is directly lifted by electric lift, the lift is flexible, and the use is convenient.

Description of drawings

Fig. 1 is an overall structural representation of the present invention;

Fig. 2 is another overall structure schematic diagram of the present invention;

Fig. 3 is a schematic top view of the present invention;

Fig. 4 is the left view schematic diagram of the present invention;

Fig. 5 is a schematic diagram of a use state of the present invention;

Fig. 6 is the enlarged schematic diagram of area A in Fig. 1;

Fig. 7 is a schematic structural view of the worm gear transmission mechanism of the present invention;

Fig. 8 is an exploded schematic diagram of the worm gear transmission mechanism of the present invention.

As shown in the figure: 1—base, 1.1—support platform, 1.2—crossbar, 2—table board, 3—lifting arm, 3.1—first lifting rod, 3.2—second lifting rod, 4—drive motor, 5— Worm gear transmission mechanism, 51—output worm, 52—output worm gear, 53—buffer gear, 54—transmission connection seat, 6—transmission rod, 7—gear transmission mechanism, 71—first gear, 72—second gear, 8 —screw assembly, 81—screw main body, 82—screw nut, 83—first slide, 9—first slide, 10—second slide, 11—second slide, 12—keyboard support , 13—laptop wireless charger, 14—mobile phone wireless charger, 15—control panel, 16—suction cup, 17—controller, 18—bracket, 19—drive box, 20—gear box, 21—raise button, 22 —Drop button, 23—Height display screen, 24—Helical teeth, 25—Helical teeth, 26—Protruding teeth, 27—Slot, 28—Ring, 29—Groove, 30—Clamp block, 31—Positioning block, 32—boss, 33—fixing hole, 34—connecting sleeve, 35—connecting block, 36—first bump, 37—second bump, 38—stabilizing bar, 39—fixed frame, 40—locking knob.

Detailed ways

In order to understand the technical scheme of the present invention more intuitively and completely, the non-limiting feature descriptions are as follows in conjunction with the accompanying drawings of the present invention:

As shown in Figures 1 to 8, the electric table lifting table includes a base 1 and a table board 2, and the base 1 and the table board 2 are connected by a pair of lifting arms 3, and the base 1 is provided with a device for controlling the lifting of the lifting arm 3. driving device;

The base 1 is composed of two support platforms 1.1 connected to the lifting arm 3 and a cross bar 1.2 between the two support platforms 1.1. The drive device includes a drive motor 4, a worm gear 5 connected to the drive motor 4, and a worm gear 5 is connected with the transmission rod 6 arranged in the cross bar 1.2, the two ends of the transmission rod 6 are respectively provided with a gear transmission mechanism 7, and the two supporting platforms 1.1 are equipped with a screw assembly 8, and the screw assembly 8 and the corresponding gear transmission mechanism 7 connections.

As shown in Fig. 3 and Fig. 5, the driving motor 4 and the worm and gear transmission mechanism 5 are installed in the drive box 19 li on one side of the base 1, and the gear transmission mechanism 7 is installed in the gear box 20 li in the base 1.

The worm gear mechanism 5 includes an output worm 51 connected to the rotating shaft of the drive motor 4, an output worm gear 52 matched with the output worm 51, a buffer gear 53 stuck at the bottom of the output worm gear 52, and a transmission connection seat 54 connected with the buffer gear 53, The transmission connection seat 54 is connected to the transmission rod 6 . When working, the output worm 51 transmits power to the output worm gear 52, and the output worm gear 52 drives the buffer gear 53 to rotate, and the buffer gear 53 drives the transmission rod 6 to rotate through the transmission connection seat 54.

A circle of helical teeth 24 is evenly distributed on the outer peripheral surface of the output worm gear 52, and the output worm 51 is provided with helical teeth 25, and the helical teeth mesh with the helical teeth;

Six protruding teeth 26 are evenly distributed on the outer wall of the buffer gear 53, and a card slot 27 is formed between two adjacent protruding teeth 26, that is, six card slots 27 are evenly distributed on the buffer gear 53, and one end of the output worm wheel 52 has a ring 28. There is a groove 29 in the ring 28 for the buffer gear 53 to snap into, and the inner wall of the groove 29 is provided with three blocks 30, and the three blocks 30 are clipped into the three block slots 27, and one end of the transmission connection seat 54 There are three positioning blocks 31, and the three positioning blocks 31 are snapped into the remaining three card slots 27;

The other end of the transmission connection seat 54 has a boss 32, and the boss 32 is provided with a fixing hole 33, and one end of the transmission rod 6 is inserted into the fixing hole 33 after passing through the drive box 19, so that the transmission rod 6 and the boss 32 are fixed.

The gear transmission mechanism 7 includes a first gear 71 fixed on the transmission rod 6, a second gear 72 that cooperates with the first gear 71 and is connected with the screw assembly 8, and the first gear 71 and the connecting sleeve that is sleeved on the transmission rod 6 34 connection, the first gear 71 is driven to rotate when the transmission rod 6 rotates, and the second gear 72 is driven to rotate after the first gear 71 rotates.

The screw assembly 8 includes a screw main body 81, a screw nut 82 arranged on the screw main body 81, and a first slide table 83 fixed with the screw nut 82. One end of the screw main body 81 is connected with the second gear 72, and the second A sliding platform 83 is connected to the lifting arm 3 , and the top of the support platform 1.1 is provided with a first slide rail 9 that slides with the first sliding platform 83 . The rear end of the screw mandrel body 81 is connected with the connecting block 35 fixed on the supporting platform 1.1, the end of the screw mandrel body 81 can rotate at the connecting block 35, and the connecting block 35 also plays a role of blocking the screw nut 82, and the screw mandrel Nut 82 travels limit. After the second gear 72 rotates, it drives the screw main body 81 to rotate, and the screw main body 81 drives the screw nut 82 to make a linear motion on the screw main body 81. When the screw nut 82 moves, it drives the first slide table 83 on the first slide rail 9 move up.

The lifting arm 3 includes a first lifting rod 3.1 and a second lifting rod 3.2 which are hinged in the middle and are X-shaped, the upper end of the first lifting rod 3.1 is hinged with the front end of the bracket 18 at the bottom of the table board 2, and the lower end is fixed with the first sliding platform 83; The upper end of the second lifting rod 3.2 is provided with a second sliding platform 10, and the second sliding platform 10 is slidingly matched with the second slide rail 11 arranged on the support 18, and the lower end of the second lifting rod 3.2 is hinged with the front end of the supporting platform 1.1. When the first sliding table 83 moves, it drives the first elevating rod 3.1 and the second elevating rod 3.2 to move, so that the elevating arm 3 is lifted.

The front end of the support table 1.1 has an upwardly protruding first bump 36, and the lower end of the second lifting rod 3.2 is hinged with the first bump 36; the front end of the support 18 has a downwardly protruding second bump 37, the first lifting The upper end of the rod 3.1 is hinged to the second projection 37 .

A stabilizing bar 38 is arranged between the two second elevating rods 3.2, and the stabilizing bar 38 can make the structure of the pair of elevating arms 3 more stable and less likely to shake.

Therefore, during work, the drive motor 4 starts and drives the worm gear mechanism to work, the worm gear mechanism drives the transmission rod 6 to rotate, the transmission rod 6 drives the gear transmission mechanism 7 to work, and the gear transmission mechanism 7 drives the screw assembly 8 to work, and the screw assembly 8 Drive lifting arm 3 lifting during work.

The front end of the bracket 18 is also provided with a keyboard support 12 under the table 2 for placing a keyboard. A fixed frame 39 is arranged at the bottom of the front end of the bracket 18 , the fixed frame 39 is fixed on the bracket by a locking knob 40 , and the keyboard tray 12 is fixed to the bottom of the fixed frame 39 . After the locking knob 40 is unscrewed, the keyboard support 12 can be disassembled, and the keyboard support 12 can be installed according to requirements.

The table board 2 is also provided with a notebook wireless charger 13, a mobile phone wireless charger 14 and a control panel 15, the notebook wireless charger 13 is located in the middle of the table board 2, the mobile phone wireless charger 14 is located at the upper left corner of the table board 2, and the control panel 15 is located at Table 2 lower left corner. The bottom of the base 1 is provided with a plurality of suction cups 16, and after the suction cups 16 are adsorbed to the table, the entire lifting table is fixed firmly. Certainly, the above-mentioned installation positions of the notebook wireless charger 13 , the mobile phone wireless charger 14 and the control panel 15 are a preferred embodiment of the present invention, and they can also be installed in other positions during specific use.

A controller 17 electrically connected to the drive motor 4 is provided at the bottom of the table top 2 . The control panel 15 is electrically connected with the controller 17, and the control panel 15 is used to control the drive motor 4 to work; the controller 17 can also be connected to a mobile phone in the form of WIFI or Bluetooth connection, and the controller 17 has a built-in Bluetooth module (not shown) or WIFI module (not shown in the figure), download a dedicated APP on the mobile phone, and control the controller 17 through the APP.

Of course, the above installation position of the drive motor 4 is a preferred embodiment of the present invention, and the drive motor 4 can also be installed at other positions during specific installation, and the installation positions of other components can be changed accordingly.

As shown in FIG. 3 , the control panel 15 is provided with a raise button 21 , a lower button 22 and a height display screen 23 . Adjust the height of table top 2 with raising button 21, drop button 22, height display screen 23 is used for displaying table top 2 height.

Of course, the above are only preferred embodiments of the present invention, and are not meant to limit the patent scope of the present invention. All simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be included in the same way. Within the scope of patent protection of the present invention.

Claims (10)

1. same table on electric table, including base and desktop, are connected between base and desktop by a pair of of lifting arm, its feature exists In：The base is equipped with the driving device of control lifting arm lifting；

The base is made of two supporting tables being connected with lifting arm and the cross bar between two supporting tables, driving device bag Drive motor, the Worm and worm-wheel gearing being connected with drive motor are included, Worm and worm-wheel gearing is with being arranged in cross bar Drive link connects, and the both ends of drive link are respectively equipped with a gear drive, screw component, screw group are equipped with two supporting tables Part is connected with corresponding gear transmission mechanism.

2. same table on electric table according to claim 1, it is characterised in that：The Worm and worm-wheel gearing include with The output worm screw of the shaft connection of drive motor, the output worm gear coordinated with output worm screw, the buffering for being stuck in output worm gear bottom Gear and the drive connection seat being connected with buffer gear cold, drive connection seat connection drive link.

3. same table on electric table according to claim 2, it is characterised in that：Export a uniformly distributed circle on the outer circumferential surface of worm gear Helical teeth, export worm screw is equipped with helical tooth, and helical tooth is engaged with helical teeth；

Six double wedges are evenly distributed with the outer wall of buffer gear cold, a card slot is formed between two adjacent tooths, i.e., is evenly equipped with buffer gear cold Six card slots, exporting one end of worm gear has annulus, has the groove being caught in for buffer gear cold in annulus, and set on groove inner wall There are three fixture blocks, three fixture blocks are caught in wherein three card slots, and the one end for the seat that is sequentially connected has three locating pieces, and three locating pieces are caught in it In excess-three card slot；

The other end of drive connection seat has a pillar, and pillar is equipped with a mounting hole, and one end of drive link is inserted into mounting hole And fixed with pillar.

4. same table on electric table according to claim 1, it is characterised in that：The gear drive includes being fixed on First gear on drive link, the second gear for coordinating with first gear and being connected with screw component.

5. same table on electric table according to claim 4, it is characterised in that：The screw component include screw main body, The feed screw nut being arranged in screw main body and the first slide unit fixed with feed screw nut, one end of screw main body and the second tooth Wheel connection, the first slide unit are connected with lifting arm, and supporting table top is equipped with the first slide being slidably matched with the first slide unit.

6. same table on electric table according to claim 5, it is characterised in that：The lifting arm includes middle part and is hinged and is in The first elevating lever and the second elevating lever of X-type, the upper end of the first elevating lever and the stent front end of the bottom of the table are hinged, lower end and the One slide unit is fixed；The upper end of second elevating lever is equipped with the second slide unit, and the second slide unit and the second slide being arranged on stent slide Coordinate, and the lower end of the second elevating lever is hinged with supporting table front end.

7. same table on electric table according to claim 1, it is characterised in that：The front end of the stent is additionally provided with positioned at table Keyboard supporting board below plate.

8. same table on electric table according to claim 1, it is characterised in that：It is wireless that notebook is additionally provided with the desktop Charger, mobile phone wireless charger and control panel, notebook wireless charger are located among desktop, mobile phone wireless charger position In the desktop upper left corner, control panel is located at the desktop lower left corner.

9. same table on electric table according to claim 1, it is characterised in that：The bottom of the base is equipped with multiple suctions Disk.

10. same table on electric table according to claim 1, it is characterised in that：The bottom of the table is equipped with driving horse Up to the controller of electrical connection.