CN219895112U - Caster descending driving mechanism of lifting electric heating table - Google Patents
Caster descending driving mechanism of lifting electric heating table Download PDFInfo
- Publication number
- CN219895112U CN219895112U CN202320458653.9U CN202320458653U CN219895112U CN 219895112 U CN219895112 U CN 219895112U CN 202320458653 U CN202320458653 U CN 202320458653U CN 219895112 U CN219895112 U CN 219895112U
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- lifting
- caster
- truckle
- nut
- screw rod
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- 238000005485 electric heating Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000010792 warming Methods 0.000 claims abstract description 25
- 230000005571 horizontal transmission Effects 0.000 claims description 33
- 230000005570 vertical transmission Effects 0.000 claims description 8
- 235000004443 Ricinus communis Nutrition 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 11
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to a caster descending driving mechanism of a lifting electric warming table, which comprises a lifting nut, a driving device and a vertically arranged lifting screw rod, wherein the lifting nut is in threaded connection with the lifting screw rod, the driving device drives the lower end of the lifting screw rod to rotate, a caster lifting frame is arranged below the lifting nut in a sliding manner, the bottom of the caster lifting frame is provided with casters, when the driving device drives the lifting screw rod to rotate forwards, the lifting screw rod drives the lifting nut to descend, the lifting nut is pressed against the caster lifting frame to descend together, the casters are driven by the caster lifting frame to downwards extend out of the bottom of a foot box of the electric warming table, the whole lifting electric warming table is lifted by the casters, and a user can push the whole lifting electric warming table to move very conveniently. Therefore, the utility model drives the casters to descend through the driving device, the lifting screw rod, the lifting nut and the caster lifting frame, the casters lift the whole lifting electric heating table, and a user can push the whole electric heating table to move, so that the movement is very convenient and labor-saving.
Description
Technical Field
The utility model relates to the technical field of electric heating tables, in particular to a caster descending driving mechanism for lifting the electric heating table.
Background
The electric heating table is a combination of electric heating and table, also called electric heating table, and is a novel heating appliance integrating the table and the warmer. The conventional common electric heating table with lifting function is generally that a panel can be lifted or a panel and a middle layer frame can be lifted, but the electric heating table is inconvenient to move, carry and clean the ground under a table body; in order to solve the problem that the electric heating table is inconvenient to move, the electric heating table with casters arranged at the bottom is also available, but the electric heating table cannot be well fixed when in use, so that the electric heating table is inconvenient for users to use; in order to realize that the lifting electric heating table can move when being moved and is fixed when in use, the lifting electric heating table also adopts two or more sets of driving mechanisms to respectively drive the tabletop plate to lift and the casters to lift, but the electric heating table has a complex structure, complex production and installation process and high product cost.
Disclosure of Invention
The utility model aims to provide a caster descending driving mechanism of a lifting electric heating table, which is convenient for moving the electric heating table.
The purpose of the utility model is realized in the following way:
the utility model provides a truckle decline actuating mechanism of lift electric warming table, includes lift nut, drive arrangement and vertical lift screw rod that sets up, lift nut and lift screw threaded connection, drive arrangement drives the lower extreme rotation of lift screw rod, its characterized in that, the below of lift nut slides from top to bottom and is provided with the truckle crane, the bottom of truckle crane is equipped with the truckle, and when drive arrangement drive lift screw rod forward rotation, and the lift screw rod drives the lift nut and descends together with the truckle crane, and the truckle crane drives the bottom of the foot case of truckle downward extension electric warming table, and the truckle stands on ground, and the lower extreme and the foot case of fixed column are lifted to leave ground, whole lift electric warming table is lifted by the truckle, and the user can promote whole lift electric warming table and remove, and is very convenient; when the driving device drives the lifting screw rod to reversely rotate, the lifting screw rod drives the lifting nut to ascend, and the lifting nut does not press the trundle lifting frame, the foot box of the electric heating table descends under the action of gravity, the trundle is retracted into the foot box of the electric heating table, and the trundle lifting frame and the trundle ascend together. Therefore, the utility model drives the casters to descend through the driving device, the lifting screw rod, the lifting nut and the caster lifting frame, and the casters can lift or descend the whole lifting electric warming table, thereby being convenient for a user to adjust the height of the panel and push the lifting electric warming table to move according to the needs.
The utility model can also be used as the following is a further improvement.
The driving device comprises a lifting motor and a horizontal transmission shaft, a horizontal transmission gear is arranged at the end part of the horizontal transmission shaft, a vertical transmission gear is arranged at the lower end of the lifting screw, the lifting motor drives the horizontal transmission shaft to rotate, and the horizontal transmission gear is meshed with the vertical transmission gear for transmission.
The lifting motor is internally provided with a panel lifting travel switch and a panel descending travel switch for controlling the lifting travel of the panel, and the lifting motor is internally provided with a caster descending travel switch for controlling the descending travel of the caster.
The utility model further comprises a lifting column and a lifting sleeve, wherein the lifting sleeve is arranged in the lifting column, the lifting nut is arranged at the lower end of the lifting sleeve, and the upper end of the lifting sleeve is fixedly connected with the bottom surface of the panel. In the same way, the lifting screw rod rotates to drive the lifting nut and the lifting sleeve to lift, so as to drive the panel to lift.
The lower extreme of lifting screw is provided with the gear box, the truckle crane slides from top to bottom and sets up on the gear box, and the gear box guides the truckle crane to go up and down, need not to set up additional guide rail, and structural design is reasonable, practices thrift the cost.
The truckle crane comprises an upper lifting plate, a lifting guide column and a lower lifting plate, wherein the upper end and the lower end of the lifting guide column are respectively fixedly connected with the upper lifting plate and the lower lifting plate, the lifting guide column is arranged on the gear box in a vertical sliding manner, the upper lifting plate is positioned between the top of the gear box and the lifting nut, the lower lifting plate is positioned below the gear box, and the truckle is arranged at the bottom of the lower lifting plate.
The upper lifting plate is provided with a relief hole corresponding to the lifting screw, and the lower end of the lifting screw downwards passes through the relief hole and stretches into the gear box.
The gear box is provided with a lifting guide hole, and the lifting guide column is arranged on the lifting guide hole in a vertical sliding manner, so that the caster lifting frame is stable in lifting.
The castor is a roller or a universal wheel or a ball castor.
The beneficial effects of the utility model are as follows:
according to the utility model, the driving device, the lifting screw and the lifting nut are used for driving the casters to descend, the casters can lift or descend the whole lifting electric heating table, and after the whole lifting electric heating table is lifted by the casters, a user can push the whole lifting electric heating table to move, so that the movement is very convenient and labor-saving.
Drawings
Fig. 1 is a schematic view of an electric warming table which is convenient to move.
Fig. 2 is a schematic view of another angle of the electric warming table which is convenient to move.
Figure 3 is a side view of the mobile electric warming table of the present utility model (casters in collapsed condition).
Figure 4 is a side view of the mobile electric warming table of the present utility model with casters in an extended position.
Figure 5 is an exploded view of the portable electric warming table of the present utility model.
Fig. 6 is a schematic structural view of the caster lowering driving mechanism of the present utility model.
Fig. 7 is a schematic view of another angle of the caster lowering driving mechanism of the present utility model (omitting the driving device, the lift sleeve, and the lift screw).
Fig. 8 is an exploded view of the caster lowering driving mechanism of the present utility model (omitting the driving device, the lift sleeve, and the lift screw).
Fig. 9 is a schematic structural view of the driving device of the present utility model.
Fig. 10 is a top view of the drive device of the present utility model.
Fig. 11 is a cross-sectional view at A-A in fig. 10.
Fig. 12 is an enlarged view at a in fig. 11.
Fig. 13 is a schematic structural view of the elevating motor of the present utility model.
Fig. 14 is a top view of the lift motor of the present utility model.
Fig. 15 is a cross-sectional view at B-B in fig. 14.
Fig. 16 is an exploded view of the lift motor of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
First embodiment, as shown in fig. 1 to 16, an electric warming table convenient to remove, including panel 1, circuit board, four table legs 3, foot case 4 and four truckle crane 5, panel 1 and foot case 4 all are the rectangle, four corners of the bottom surface of panel 1 are located respectively to four table legs 3, and every table leg 3 includes lift post 31 and fixed column 32, lift post 31 slides from top to bottom and sets up in hollow fixed column 32, the upper end and the panel 1 fixed connection of lift post 31, foot case 4 fixed connection is in the lower part of fixed column 32, vertically in the fixed column 32 is provided with lift screw 82, be equipped with lift sleeve 83 in the lift post 31, the upper end of lift sleeve 83 and the bottom surface fixed connection of panel 1 also, the lower extreme of lift sleeve 83 is located to lift nut 81, lift screw 82 and lift nut 81 threaded connection, the upper end of lift screw 82 upwards stretches into the lower part of drive box 5 in the crane 5, the truckle crane is located in the lower part of the drive box 5, and the truckle crane is located in the lower part of drive box 5. The lifting nut, the driving device, the lifting screw, the caster lifting frame and the casters form the caster descending driving mechanism.
As a more specific technical scheme of the utility model.
The driving device 7 comprises a lifting motor 70, a first horizontal transmission shaft 71, a second horizontal transmission shaft 72, a third horizontal transmission shaft 73 and four gear boxes 21, wherein the three horizontal transmission shafts are arranged in the foot box 4 in a U shape, and the four gear boxes are fixedly arranged in the foot box 4 according to four rectangular corners. The lower ends of the four lifting screws 82 are respectively connected with four gear boxes, and the caster lifting frames 5 are arranged on the corresponding gear boxes in a vertical sliding manner. The motor shaft of the lifting motor 70 is in driving connection with the first horizontal transmission shaft 71, and the lifting motor 70 drives the first horizontal transmission shaft 71 to rotate. The two ends of the first horizontal transmission shaft 71, the second horizontal transmission shaft 72 and the third horizontal transmission shaft 73 are respectively provided with a horizontal transmission gear 74, the lower ends of the four lifting screws 82 are respectively provided with a vertical transmission gear, the horizontal transmission shafts and the lifting screws 82 realize transmission by means of the horizontal transmission gears 74 and the vertical transmission gears 75, two adjacent horizontal transmission shafts and the lifting screws 82 realize transmission by means of the two horizontal transmission gears 74 and the vertical transmission gears 75, and the horizontal transmission gears 74 and the vertical transmission gears 75 are rotationally arranged in the gear box. The driving device 7 according to the utility model is of the prior art, the specific working principle of which is not described in detail here.
As a more optimal solution of the utility model.
The bottom of the gear box 21 is provided with a mounting plate 55, and the mounting plate 55 is mounted on the foot box 2.
A panel lifting travel switch 715 and a panel lowering travel switch 716 for controlling the lifting travel of the panel are arranged in the lifting motor 70, and a caster lowering travel switch 717 for controlling the lowering travel of the caster 61 is arranged in the lifting motor 70.
The panel 1 is provided with a panel lifting key for controlling the lifting of the panel, a panel descending key and a caster descending key for controlling the falling of the caster. Therefore, the user can control the lifting stroke of the panel 1 and the lowering stroke of the caster by the above-described keys.
The caster lifting frame 5 comprises an upper lifting plate 51, a lifting guide column 52 and a lower lifting plate 53, wherein the upper end and the lower end of the lifting guide column 52 are fixedly connected with the upper lifting plate 51 and the lower lifting plate 53 respectively, the lifting guide column 52 is arranged on the gear box 21 in a vertical sliding manner, the upper lifting plate 51 is positioned between the top of the gear box 21 and the lifting nut 81, the lower lifting plate 53 is positioned below the gear box 21, and the casters are arranged at the bottom of the lower lifting plate 53.
The gear case 21 is provided with a lifting guide hole 36, and the lifting guide column 52 is arranged on the lifting guide hole 36 in a vertically sliding manner.
The upper lifting plate 51 is provided with a relief hole 56 corresponding to the lifting screw 82, and the lower end of the lifting screw 82 passes through the relief hole 56 downwards and extends into the gear box 21.
The castor is a roller or a universal wheel or a ball castor.
The lifting motor 70 comprises a shell, a transmission screw 710, a screw slider 714, a panel lifting travel switch 715, a panel descending travel switch 716 and a caster descending travel switch 717, wherein a worm 712 is arranged on a motor shaft of the lifting motor, the transmission screw 710 is rotationally arranged in the shell 711, a worm wheel 713 is sleeved on the transmission screw 710, the worm wheel 713 and the transmission screw 710 are synchronously rotated, the worm wheel 713 is meshed with the worm 712, the screw slider 714 is in threaded connection with the transmission screw 710, the screw slider 714 is slidably arranged in the shell 711, and the panel lifting travel switch 715, the panel descending travel switch 716 and the caster descending travel switch 717 are arranged in the shell along the length direction of the transmission screw. The lifting motor drives the worm 712 to rotate forward or reversely, the worm 712 drives the transmission screw 710 to rotate through the worm wheel 713, and the transmission screw 710 drives the screw slider 714 to slide back and forth.
The utility model utilizes the panel ascending travel switch 716, the panel descending travel switch 716 and the caster descending travel switch 717 to control the rotation and stop of the lifting screw, thereby realizing the lifting travel of the control panel and the descending travel of the casters. When the motor shaft of the lift motor rotates reversely, the screw slider 714 touches the panel lowering travel switch 716, the panel lowering travel switch 716 sends a signal to the circuit board, the circuit board controls the lift motor to stop rotating, the worm 712 and the lifting screw rod also stop rotating, and the panel stops descending, but when the user continues to press the caster lowering button, the motor shaft of the lift motor rotates reversely, the screw slider 714 continues to slide until the caster lowering travel switch 717 is touched, the caster lowering travel switch 717 sends a signal to the circuit board, the circuit board controls the lift motor to stop rotating, the worm 712 and the lifting screw rod also stop rotating, and the caster stops descending, and similarly, the ascending principle of the panel lowering travel switch 715 of the utility model is similar. And will not be described in detail herein.
The working principle of the utility model is as follows:
when the user wants to control the panel 1 to be lifted at the same time, the user can control the panel 1 of the present utility model to be lifted by pressing a control key such as a panel lifting key and a panel lowering key on the panel 1.
When the driving device 7 drives the panel 1 to descend, the lifting motor 70 drives the first horizontal transmission shaft 71 to reversely rotate, one end of the first horizontal transmission shaft 71 drives the first lifting screw 82 to reversely rotate, the other end of the first horizontal transmission shaft 71 drives the second horizontal transmission shaft 72 and the second lifting screw 82 to reversely rotate synchronously, the other end of the second horizontal transmission shaft 72 drives the third horizontal transmission shaft 73 and the third lifting screw 82 to reversely rotate synchronously, the other end of the third horizontal transmission shaft 73 drives the fourth lifting screw 82 to reversely rotate synchronously, and due to the threaded cooperation of the four lifting screws 82 and the four lifting nuts 81, the four lifting nuts 81 synchronously descend, so that the panel 1 is kept to descend horizontally, and finally the panel 1 is in a descending state, at the moment, the bottom surface of the panel 1 still has a certain distance from the top end of the fixed column 32, the lifting nuts 81 still has a certain distance from the upper lifting plate 51 of the caster lifting frame 5, and the lifting nuts 81 are not pressed to the upper lifting plate 51 (the caster 6 is not pressed out of the bottom of the caster). Conversely, if the user wants to raise the control panel 1, the lift motor 70 rotates forward, so that the control panel 1 can be raised, and finally the height of the control panel 1 can be adjusted. Therefore, the present utility model can control the lifting of the panel 1.
When the user wants to lift and move the whole lifting electric warming table, the user needs to control the panel 1 to descend firstly, then the user presses the caster descending button, the lifting motor 70 continues to drive the first horizontal transmission shaft 71 to reversely rotate, the four lifting screw rods 82 continue to reversely rotate, the panel 1 continues to descend, the four lifting nuts 81 respectively press the four caster lifting frames 5 to descend, the lifting guide posts 52 slide up and down along the lifting guide holes 36, the four caster lifting frames 5 drive the respective casters 6 to descend, the four casters 6 descend to the bottom of the foot box, the lower end of the fixing post 32 is gradually lifted, the four casters 6 stand on the ground and support the whole lifting electric warming table, and then the user can push the whole lifting electric warming table to move very easily. After the user moves the lifting electric heating table in place, the user control panel 1 is lifted to the height when in a descending state, the four lifting screw rods 82 are positively rotated to drive the four lifting nuts 81 to ascend, the lifting nuts 81 do not press the caster lifting frame 5 any more, the ground lifts the caster lifting frame 5 into the foot box, the casters 6 are also retracted into the foot box 4 together, and the lower ends of the fixing columns 32 stand on the ground.
Claims (9)
1. The utility model provides a truckle decline actuating mechanism of electric heating table goes up and down, includes lifting nut, drive arrangement and vertical lift screw rod that sets up, lifting nut and lift screw threaded connection, drive arrangement drives the lower extreme of lifting screw rod and rotates, its characterized in that, the below of lifting nut slides from top to bottom and is provided with the truckle crane, the bottom of truckle crane is equipped with the truckle, when drive arrangement drive lifting screw rod forward rotation, and lifting screw rod drives lifting nut and descends together with the truckle crane, and the truckle crane drives the bottom of the foot case of truckle downwardly extending electric heating table; when the driving device drives the lifting screw rod to reversely rotate, the lifting screw rod drives the lifting nut to ascend, and the lifting nut does not press the trundle lifting frame, the foot box of the electric heating table descends under the action of gravity, the trundles retract into the foot box of the electric heating table, and the trundle lifting frame ascends.
2. The lifting electric warming table truckle descending driving mechanism according to claim 1, wherein the driving device comprises a lifting motor and a horizontal transmission shaft, a horizontal transmission gear is arranged at the end part of the horizontal transmission shaft, a vertical transmission gear is arranged at the lower end of the lifting screw, the lifting motor drives the horizontal transmission shaft to rotate, and the horizontal transmission gear is meshed with the vertical transmission gear.
3. The caster wheel lowering driving mechanism of the lifting electric heating table according to claim 2, wherein a panel lifting travel switch and a panel lowering travel switch for controlling the lifting travel of the panel are arranged in the lifting motor, and a caster wheel lowering travel switch for controlling the lowering travel of the caster wheel is arranged in the lifting motor.
4. The caster-wheel descent driving mechanism of a lifting electric heating table according to claim 3, further comprising a lifting column and a lifting sleeve, wherein the lifting sleeve is arranged in the lifting column, the lifting nut is arranged at the lower end of the lifting sleeve, and the upper end of the lifting sleeve is fixedly connected with the bottom surface of the panel.
5. The caster descending driving mechanism of a lifting electric warming table according to claim 1, wherein a gear box is arranged at the lower end of the lifting screw, and the caster lifting frame is arranged on the gear box in a vertically sliding manner.
6. The lifting electric warming table truckle descending driving mechanism according to claim 5, wherein the truckle lifting frame comprises an upper lifting plate, a lifting guide post and a lower lifting plate, the upper end and the lower end of the lifting guide post are respectively fixedly connected with the upper lifting plate and the lower lifting plate, the lifting guide post is arranged on the gear box in a vertical sliding manner, the upper lifting plate is positioned between the top of the gear box and the lifting nut, the lower lifting plate is positioned below the gear box, and the truckle is arranged at the bottom of the lower lifting plate.
7. The caster wheel lowering driving mechanism of lifting electric warming table according to claim 6, wherein the position of the upper lifting plate corresponding to the lifting screw is provided with a stepping hole, and the lower end of the lifting screw passes through the stepping hole downwards and stretches into the gear box.
8. The caster-wheel descent driving mechanism of a lifting electric warming table according to claim 6, wherein the gear case is provided with a lifting guide hole, and the lifting guide column is vertically slidably disposed on the lifting guide hole.
9. The lifting/lowering electric warming table castor lowering driving mechanism according to claim 5, wherein the castor is a roller or a universal wheel or a ball castor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320458653.9U CN219895112U (en) | 2023-03-09 | 2023-03-09 | Caster descending driving mechanism of lifting electric heating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320458653.9U CN219895112U (en) | 2023-03-09 | 2023-03-09 | Caster descending driving mechanism of lifting electric heating table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219895112U true CN219895112U (en) | 2023-10-27 |
Family
ID=88466433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320458653.9U Active CN219895112U (en) | 2023-03-09 | 2023-03-09 | Caster descending driving mechanism of lifting electric heating table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219895112U (en) |
-
2023
- 2023-03-09 CN CN202320458653.9U patent/CN219895112U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |