CN219438474U - Lifting electric heating table - Google Patents
Lifting electric heating table Download PDFInfo
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- CN219438474U CN219438474U CN202320533374.4U CN202320533374U CN219438474U CN 219438474 U CN219438474 U CN 219438474U CN 202320533374 U CN202320533374 U CN 202320533374U CN 219438474 U CN219438474 U CN 219438474U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The utility model relates to a lifting electric heating table, which comprises a panel, a lifting column assembly, a fixed column and a foot box, wherein the panel is fixedly connected to the upper end of the lifting column assembly, the foot box is fixedly connected to the lower part of the fixed column, the lifting column assembly is arranged in the fixed column in a vertical sliding manner and drives the panel to lift, a lifting internal thread hole and a screw rod in threaded connection with the lifting internal thread hole are arranged on the lifting column assembly, a motor, a transmission rod and a gear box are arranged in the foot box, the screw rod is in transmission connection with the gear box, a telescopic frame is movably arranged below the lifting column assembly, a guide hole is arranged on the periphery of the lower part of the screw rod and the periphery of the gear box, the telescopic frame is arranged in the guide hole in a vertical sliding manner, a trundle device is arranged on the telescopic frame, and the trundle device is arranged on the lower part of the fixed column or the bottom of the foot box in a vertical sliding manner. The utility model adopts a set of lifting system to drive the panel to lift and the caster device to lift, thereby facilitating the user to adjust the height of the panel or push the table body to move according to the requirement. The utility model has simple structure, low production cost and convenient use.
Description
Technical Field
The utility model relates to the technical field of electric heating tables, in particular to a lifting 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 panel to lift and the casters to lift, or the driving mechanisms are controlled by the conversion of the clutch mechanisms to respectively drive the tabletop to lift and the casters to lift, but the electric heating table has the advantages of complex structure, complex production and installation process and high product cost.
Disclosure of Invention
The utility model aims to provide the electric heating table which has a simple structure and low production cost, is convenient for a user to push the table body to move when the electric heating table is required to be moved, and can stably place the table body on the ground when the electric heating table is used.
The purpose of the utility model is realized in the following way:
the lifting electric heating table comprises a panel, a lifting column assembly, a fixed column and a foot box, and is characterized in that the panel is fixedly connected to the upper end of the lifting column assembly, the foot box is fixedly connected to the lower part of the fixed column, and the lifting column assembly is arranged in the hollow fixed column in a vertical sliding manner and drives the panel to lift;
the lifting column assembly is provided with a lifting internal threaded hole, the lifting internal threaded hole is in threaded connection with a screw rod, and the screw rod passes through the lifting internal threaded hole and is vertically arranged in the lifting column assembly and the fixed column;
the foot box is internally provided with a motor, a transmission rod and a gear box, the output end of the motor is provided with the transmission rod, the gear box is internally provided with a driving gear and a driven gear, the driving gear is arranged at the end part of the transmission rod, the driven gear is fixedly arranged at the lower end of a screw rod, the driving gear is meshed with the driven gear for transmission, the motor drives the transmission rod to rotate, the transmission rod rotates to drive the driving gear to rotate, the driving gear rotates to drive the driven gear to rotate, the driven gear rotates to drive the screw rod to rotate, and the screw rod rotates to drive the lifting column assembly to slide up and down, so that a panel is driven to lift, and a user can conveniently adjust the height of the panel according to needs;
the lower part of the lifting column component is movably provided with a telescopic frame, the periphery of the lower part of the screw rod and the periphery of the gear box are provided with guide holes, the telescopic frame is arranged in the guide holes in a vertical sliding way, the telescopic frame is provided with a caster device which is arranged at the lower part of the fixed column or the bottom of the foot box in a vertical sliding way, the telescopic frame is provided with a pressing position, when the lifting column component descends, and the lifting column component presses the pressing position and presses the telescopic frame to descend together, the telescopic frame drives the truckle device to downwards extend out of the lower part of the fixed column or the bottom of the foot box, the truckle device stands on the ground, the lower end of the fixed column and the foot box are lifted and leave the ground, a user can push the table body to move, when the lifting column assembly rises, and the lifting column assembly is not pressed against the telescopic frame after being separated from the downward pressing position, the telescopic frame and the truckle device upwards retract into the fixed column or the foot box, the lower end of the fixed column or the bottom of the foot box stands on the ground, and the table body is stably placed on the ground when being convenient for the user to use.
The utility model can be further improved as follows:
the lifting column assembly comprises a lifting column, a lifting tube and a lifting nut, wherein the lifting tube is arranged in the lifting column, the lifting tube is fixedly connected with the lifting column, the lifting nut is arranged in the lifting tube or at the lower end of the lifting tube, the lifting nut is provided with the lifting internal threaded hole, the upper end of the screw rod upwards penetrates through the lifting nut and stretches into the lifting tube, if the lifting nut is arranged at the lower end of the lifting tube, the lifting nut is pressed on a pressing-down position by the lifting nut to downwards press the telescopic frame to descend, and of course, the lifting nut can also be arranged in the lifting column.
The telescopic frame comprises a sliding plate and a guide arm, one end of the guide arm is fixedly connected with the sliding plate, the sliding plate is movably arranged between the top of the gear box and the lower end of the lifting pipe or between the top of the gear box and the lifting nut, the pressing position is arranged on the sliding plate, and a guide hole is formed in the lower portion of the fixed column or in the foot box, and the guide arm is slidably arranged in the guide hole, so that the telescopic frame is smooth and stable in lifting.
The telescopic frame comprises a sliding plate and a guide arm, the guide arm and the sliding plate are arranged in a sliding mode, the sliding plate is movably arranged between the top of the gear box and the lower end of the lifting pipe or between the top of the gear box and the lifting nut, the pressing position is arranged on the sliding plate, a guide hole is formed in the sliding plate, a fixing plate is arranged on the gear box, the fixing plate can be arranged beside the gear box, the guide arm is fixedly arranged on the fixing plate, and the guide arm is arranged in the guide hole in a sliding mode, so that the telescopic frame can be lifted smoothly and stably.
The telescopic frame comprises a sliding plate, a guide arm and a supporting plate, the sliding plate on the upper part of the telescopic frame, the guide arm in the middle and the supporting plate on the lower part are integrally formed into a Z shape, the sliding plate is movably arranged between the top of the gear box and the lower end of the lifting pipe or between the top of the gear box and the lifting nut, the pressing position is arranged on the sliding plate, a fixing plate is arranged on the gear box, the fixing plate can be arranged beside the gear box, one end of the fixing plate, far away from the gear box, is provided with a guide hole, and the guide arm is slidably arranged in the guide hole, so that the telescopic frame is smoothly lifted and stably.
The automatic lifting device is characterized by further comprising a reset spring, wherein the reset spring is arranged between the top of the gear box and the sliding plate, the reset spring is positioned at the periphery of the lower part of the screw, two ends of the reset spring are respectively propped against the sliding plate and the gear box, a spring positioning cap is arranged at the position of the sliding plate, which is pressed downwards, the reset spring is arranged in the spring positioning cap, a yielding hole is formed in the top of the spring positioning cap, the lower end of the screw downwards passes through the yielding hole and the reset spring and is in transmission connection with the gear box, and the reset spring is used for upwards jacking the telescopic frame so that the telescopic frame and the caster device upwards retract into the fixed column or the foot box.
The caster device comprises a guide plate and a universal wheel, wherein the guide plate is fixedly connected to the other end of the guide arm, and the universal wheel is arranged at the bottom of the guide plate.
Still include the footing, footing fixed connection is in the lower extreme of fixed column or the bottom of foot case, be provided with the guiding opening in the footing, deflector and universal wheel slide about and set up in the guiding opening, just the universal wheel can stretch out the guiding opening downwards outward or upwards retract into in the guiding opening to make expansion bracket and universal wheel go up and down more smooth steady.
The caster device comprises a guide column and a universal wheel, wherein the guide cylinder is fixedly arranged in the foot box, the lower end opening of the guide cylinder is exposed out of the bottom of the foot box, the upper end of the guide column is fixedly connected with one end of the sliding plate, the guide column is arranged in the guide cylinder in a vertical sliding mode, the universal wheel is fixedly connected with the lower end of the guide column, and the universal wheel can extend out of the guide cylinder downwards or retract into the guide cylinder upwards, so that the telescopic frame and the universal wheel can be lifted more smoothly.
The caster device is a universal wheel, the universal wheel is arranged at the bottom of the supporting plate, and the universal wheel can downwards extend out of the bottom of the foot box or upwards retract into the foot box, so that the telescopic frame and the caster device are simpler in structure.
The beneficial effects of the utility model are as follows:
the utility model adopts a set of lifting system to drive the panel to lift and the caster device to lift, is convenient for a user to adjust the height of the panel or push the table body to move according to the needs, and has the advantages of simple structure, low production cost, convenient use and good user experience.
Drawings
Fig. 1 is a side view of a lifting electric warming table according to an embodiment of the present utility model.
Fig. 2 is an exploded view of a lifting electric warming table according to an embodiment of the present utility model.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a schematic structural view of a telescopic bracket and caster device according to an embodiment of the present utility model.
Fig. 5 is a schematic structural diagram of a synchronous lifting system according to an embodiment of the present utility model.
Fig. 6 is a schematic diagram of an inverted structure of a lifting electric heating table according to a second embodiment of the present utility model.
Fig. 7 is an exploded view of a lifting electric heating table according to a second embodiment of the present utility model.
Fig. 8 is a schematic structural view of a second telescopic bracket and caster device according to an embodiment of the present utility model.
Fig. 9 is a schematic cross-sectional view of a three-wheeled expansion bracket and caster device in accordance with an embodiment of the present utility model.
Fig. 10 is a schematic cross-sectional view of a fourth telescoping rack and caster device of an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples:
as shown in fig. 1 to 5, a lifting electric heating table includes a panel 1, a foot box 4, four table legs 2, four feet 3, four telescopic frames 11 and four caster devices 5, where the panel 1 and the foot box 4 are rectangular, the four table legs 2 are respectively disposed at four corners of the bottom surface of the panel 1, each table leg 2 includes a lifting column assembly 21 and a fixing column 22, the four feet 3 are respectively and fixedly connected to the lower ends of the four fixing columns 22, of course, the four feet 3 can also be respectively and fixedly connected to the lower ends of the four corners of the foot box 4, the upper end of the lifting column assembly 21 is fixedly connected with the panel 1, the lower part of the fixing column 22 is fixedly connected with the foot box 4, and the lifting column assembly 21 is vertically slidably disposed in the hollow fixing column 22 and drives the panel 1 to lift;
the lifting column assembly 21 is provided with a lifting internal threaded hole 210, the lifting internal threaded hole 210 is in threaded connection with a screw rod 6, and the screw rod 6 passes through the lifting internal threaded hole 210 and is vertically arranged in the lifting column assembly 21 and the fixed column 22;
the foot box 4 is internally provided with a motor 7, a transmission rod 8 and a gear box 9, the output end of the motor 7 is provided with the transmission rod 8, the gear box 9 is internally provided with a driving gear 91 and a driven gear 92, the driving gear 91 is arranged at the end part of the transmission rod 8, the driven gear 92 is fixedly arranged at the lower end of a screw rod 6, the driving gear 91 and the driven gear 92 are in meshed transmission, the motor 7 drives the transmission rod 8 to rotate, the transmission rod 8 rotates to drive the driving gear 91 to rotate, the driving gear 91 rotates to drive the driven gear 92 to rotate, the driven gear 92 rotates to drive the screw rod 6 to rotate, and the screw rod 6 rotates to drive the lifting column assembly 21 to slide up and down, so that the panel 1 is driven to lift, and a user can conveniently adjust the height of the panel 1 according to needs;
the telescopic frame 11 is movably arranged below the lifting column assembly 21, the periphery of the lower part of the screw rod 6 and the periphery of the gear box 9 are provided with the guide holes 10, the telescopic frame 11 is vertically and slidably arranged in the guide holes 10, the telescopic frame 11 is provided with the caster device 5, the caster device 5 is vertically and slidably arranged at the lower part of the fixed column 22 or the bottom of the foot box 4, the telescopic frame 11 is provided with the lower compression position 110, when the lifting column assembly 21 descends, and the lifting column assembly 21 is pressed on the lower compression position 110 and downwards presses the telescopic frame 11 to descend together, the telescopic frame 11 drives the caster device 5 to downwards extend out of the lower part of the fixed column 22 or the bottom of the foot box 4, the caster device 5 stands on the ground, the lower end of the fixed column 22 or the bottom of the foot box 4 is lifted, and leaves the ground, a user can push the foot table body to move, when the lifting column assembly 21 ascends and the lifting column assembly 21 is separated from the lower compression position 110 and then presses the telescopic frame 11, the foot frame 11 and the device 5 are upwards fixed in the fixed column 22 or the bottom of the foot box 4, and the foot table body is conveniently placed on the ground, and the user can stably place the foot table body or the foot box 4 on the bottom of the foot box 4.
As a more optimized technical scheme of the utility model:
the lifting column assembly 21 comprises a lifting column 211, a lifting tube 212 and a lifting nut 213, the lifting tube 212 is arranged in the lifting column 211, the upper end of the lifting tube 212 is fixedly connected with the upper end of the lifting column 211, the lifting nut 213 is arranged at the lower end of the lifting tube 212, the lifting nut 213 is provided with a lifting internal threaded hole 210, the screw 6 is in threaded connection with the lifting nut 213, the upper end of the screw 6 upwards passes through the lifting nut 213 and stretches into the lifting tube 212, the lifting nut 213 is pressed on the downward pressing position 110 to downwards press the telescopic frame 11 to descend, the telescopic frame 11 drives the caster device 5 to downwards stretch out of the lower part of the fixed column 22 or the bottom of the foot box 4, the caster device 5 stands on the ground, the lower end of the fixed column 22 or the 3 at the bottom of the foot box 4 is lifted and leaves the ground, and therefore the purpose that a user can conveniently push a table body to move is achieved. In this way, the lifting system composed of the lifting pipe 212, the lifting nut 213, the screw 6, the gear box 9, the transmission rod 8 and the lifting motor 7 can be made into universal parts, which is convenient for product development and production.
As a more detailed technical scheme of the utility model:
the lower parts of the four fixing columns 22 are respectively and fixedly connected to four corners of the foot box 4, the four gear boxes 9 are fixedly arranged in the foot box 4 and are respectively positioned at the lower parts of the four fixing columns 22, the lower ends of the four screw rods 6 are respectively and vertically connected with the four gear boxes 9 and are respectively arranged in the four fixing columns 22, the upper ends of the four screw rods 6 respectively penetrate through four lifting nuts 213 and then respectively extend into four lifting pipes 212, the four lifting pipes 212 are respectively arranged in the four lifting columns 211, and the upper ends of the four lifting pipes 212 are respectively and fixedly connected to the upper ends of the four lifting columns 211 at the four corners of the bottom surface of the panel 1.
Two main gearboxes and two auxiliary gearboxes are arranged in the four gearboxes 9, a driving gear 91, a driven gear 92 and a transmission gear 93 are arranged in the two main gearboxes, a driving gear 91 and a driven gear 92 are arranged in the two auxiliary gearboxes, the driving gear 91 is meshed with the driven gear 92 for transmission, and the driven gear 92 is meshed with the transmission gear 93 for transmission.
The output end of the motor 7 is provided with a main transmission rod, two ends of the main transmission rod are respectively connected with driving gears 91 in two main gear boxes, two ends of two auxiliary transmission rods are respectively connected with a transmission gear 93 in the main gear boxes and the driving gears 91 in the auxiliary gear boxes, the main transmission rod and the two auxiliary transmission rods are arranged in a U shape in the foot box 4, the motor 7 drives the main transmission rod to rotate, the main transmission rod rotates to respectively drive the driving gears 91 in the two main gear boxes to rotate, the driving gears 91 in the two main gear boxes rotate to respectively drive driven gears 92 in the two main gear boxes to rotate, the driven gears 92 in the two main gear boxes rotate to respectively drive the transmission gears 93 in the two main gear boxes to rotate, the transmission gears 93 in the two main gearboxes respectively drive the two auxiliary transmission rods to rotate, the two auxiliary transmission rods respectively drive the driving gears 91 in the two auxiliary gearboxes to rotate, the driving gears 91 in the two auxiliary gearboxes respectively drive the driven gears 92 in the two auxiliary gearboxes to rotate, the driven gears 92 in the four gearboxes respectively drive the four screw rods 6 to rotate, the four screw rods 6 respectively drive the four lifting nuts 213 to move up and down, the four lifting nuts 213 respectively drive the four lifting pipes 212 and the four lifting columns 211 to slide up and down in the four fixed columns 22, and the panel 1 is driven to lift, so that the lifting of the panel 1 is stable.
The telescopic brackets 11 are movably arranged below the four lifting nuts 213, the periphery of the lower part of the four screw rods 6 and the periphery of the four gear boxes are respectively provided with the guide holes 10, the four telescopic brackets 11 are respectively arranged in the four guide holes 10 in a sliding manner, the four telescopic brackets 11 are respectively provided with the caster devices 5, the four caster devices 5 are respectively arranged at the lower parts of the four fixed columns 22 or the bottoms of the foot boxes 4 in a sliding manner, the four lifting nuts 213 are respectively arranged at the lower parts of the four lower pressing positions 110, when the four lifting nuts 213 are lifted, and when the four lifting nuts 213 are respectively separated from the four lower pressing positions 110 and do not press the telescopic brackets 11, the four telescopic brackets 11 and the four caster devices 5 are respectively retracted into the four fixed columns 22 or the foot boxes 4 in an upward manner, the four casters 3 are respectively arranged at the lower ends of the four fixed columns 22 or the bottoms of the foot boxes 4 and are respectively erected on the ground, the desk body is conveniently and stably placed on the ground when the four lifting nuts 213 are respectively pressed at the lower parts of the four lower pressing positions 110 and the four lower parts of the four casters 11 are respectively pressed down, the four casters devices are respectively pushed by the four lifting nuts 213, and the four casters devices are respectively pushed by the four casters 4 to be respectively arranged at the lower parts of the bottoms of the four casters 4, and the four casters 4 are respectively pressed by the lower than the lower parts of the four casters 4 and are respectively stably arranged at the lower ends of the lower than the bottom of the fixed columns 22 or the foot boxes, and the four casters 3 are stably arranged at the bottom of the feet of the foot devices when the user is stably and pressed down and is respectively.
As a more specific technical scheme of the utility model:
the expansion bracket 11 comprises a sliding plate 111 and a guide arm 112, the upper end of the guide arm 112 is fixedly connected with the sliding plate 111, the sliding plate 111 is movably arranged between the top of the gear box 9 and a lifting nut 213, the pressing position 110 is arranged on the sliding plate 111, the lower part of the fixed column 22 or the foot box 4 is internally provided with a guide hole 10, and the guide arm 112 is slidably arranged in the guide hole 10, so that the expansion bracket 11 can be stably lifted.
A reset spring 113 is arranged between the top of the gear box 9 and the sliding plate 111, the reset spring 113 is positioned on the periphery of the lower part of the screw rod 6, two ends of the reset spring 113 are respectively propped against the sliding plate 111 and the gear box 9, a spring positioning cap 114 is arranged at a pressing-down position 110 on the sliding plate 111, the reset spring 113 is arranged in the spring positioning cap 114, a yielding hole 115 is formed in the top of the spring positioning cap 114, the lower end of the screw rod 6 downwards passes through the yielding hole 115 and the reset spring 113 and is in transmission connection with the gear box 9, and the reset spring 113 is used for upwards jacking the telescopic frame 11 so as to enable the telescopic frame 11 and the caster device 5 to be upwards retracted into the fixed column 22 or the foot box 4.
The caster device 5 comprises a guide plate 52 and a universal wheel 51, wherein the guide plate 52 is fixedly connected with the lower end of the guide arm 112, and the universal wheel 51 is arranged at the bottom of the guide plate 52
The footing 3 fixed connection is in the lower extreme of fixed column 22, of course, footing 3 also can fixed connection be in the bottom of foot case 4, be provided with guiding hole 31 in the footing 3, deflector 52 and universal wheel 51 slide about setting in guiding hole 31, just universal wheel 51 can stretch out the guiding hole 31 downwards outward or upwards retract into in guiding hole 31 to make expansion bracket 11 and universal wheel 51 go up and down more smooth steady.
The working principle of the utility model is as follows:
when the panel height needs to be adjusted, the motor 7 is controlled to rotate (forward or reverse, when the motor 7 rotates forward, the motor 7 drives the lifting system to drive the panel 1 to ascend) to drive the transmission rod 8 to rotate, the transmission rod 8 rotates to drive the driving gear 91 to rotate, the driving gear 91 rotates to drive the driven gear 92 to rotate, the driven gear 92 rotates to drive the screw rod 6 to rotate, the screw rod 6 rotates to drive the lifting nut 213 to move up and down, the lifting nut 213 moves up and down to drive the lifting pipe 212 and the lifting column 211 to slide up and down in the fixed column 22, and accordingly the panel 1 is driven to lift, and the purpose of adjusting the height of the panel 1 is achieved.
When the electric heating table needs to be moved and lifted, the motor 7 is controlled to reversely rotate, the transmission rod 8 is driven to reversely rotate, the transmission rod 8 is reversely rotated to drive the driving gear 91 to reversely rotate, the driving gear 91 is reversely rotated to drive the driven gear 92 to reversely rotate, the driven gear 92 is reversely rotated to drive the screw rod 6 to reversely rotate, the screw rod 6 is reversely rotated to drive the lifting nut 213 to descend, the lifting nut 213 is pressed on the pressing position 110 and downwards presses the telescopic frame 11 to descend together, the telescopic frame 11 drives the caster device 5 to downwards extend out of the lower part of the fixed column 22 or the bottom of the foot box 4, the caster device 5 stands on the ground, the foot 3 arranged at the lower end of the fixed column 22 or the bottom of the foot box 4 is lifted and leaves the ground, and the table body can be pushed to move.
When the lifting electric warming table is needed to be used, in the state that the caster device 5 stands on the ground, the motor 7 drives the transmission rod 8 to rotate positively, the transmission rod 8 drives the driving gear 91 to rotate positively, the driving gear 91 drives the driven gear 92 to rotate positively, the driven gear 92 drives the screw rod 6 to rotate positively, the screw rod 6 drives the lifting nut 213 to lift positively, when the lifting nut 213 is not pressed against the telescopic frame 11 after being separated from the 110-position pressing, the telescopic frame 11 and the caster device 5 retract upwards into the fixed column 22 or the foot box 4, the foot 3 arranged at the lower end of the fixed column 22 or the bottom of the foot box 4 stands on the ground, and the lifting electric warming table body is stably placed on the ground.
As shown in fig. 6 to 8, the second embodiment is similar to the first embodiment in that: the caster mechanism 5 is provided at the lower part of the foot case 4 so as to slide up and down. The caster device 5 comprises a guide post 53 and a universal wheel 51, wherein a guide cylinder 41 is fixedly arranged in the foot box 4, the lower end opening of the guide cylinder 41 is exposed out of the bottom of the foot box 4, the upper end of the guide post 53 is fixedly connected with one end of a sliding plate 111, the guide post 53 is arranged in the guide cylinder 41 in a vertical sliding manner, the universal wheel 51 is fixedly connected with the lower end of the guide post 53, and when the telescopic bracket 11 of the utility model is lifted, the universal wheel 51 can extend out of the guide cylinder 41 downwards or retract into the guide cylinder 41 upwards.
Embodiment III, as shown in FIG. 9, the embodiment of embodiment III is similar to that of embodiment II, except that: the telescopic frame 11 comprises a sliding plate 111 and a guide arm 112, the guide arm 112 and the sliding plate 111 are arranged in a sliding mode, the sliding plate 111 is movably arranged between the top of the gear box 9 and the lifting nut 213, the pressing-down position 110 is arranged on the sliding plate 111, a guide hole 10 is formed in the sliding plate 111, a fixed plate 12 is arranged on the gear box 9, the guide arm 112 is fixedly arranged on the fixed plate 12, and the guide arm 112 is arranged in the guide hole 10 in a sliding mode, so that the telescopic frame 11 can be lifted smoothly and stably.
Example four, as shown in fig. 10, the implementation of example four is similar to that of example one, except that: the telescopic frame 11 comprises a sliding plate 111, a guide arm 112 and a supporting plate 116, the sliding plate 111 on the upper portion of the telescopic frame 11, the guide arm 112 in the middle and the supporting plate 116 on the lower portion are integrally formed into a Z shape, the sliding plate 111 is movably arranged between the top of the gear box 9 and a lifting nut 213, the pressing position 110 is arranged on the sliding plate 111, a fixed plate 12 is arranged on the gear box 9, one end, far away from the gear box 9, of the fixed plate 12 is provided with a guide hole 10, and the guide arm 112 is slidably arranged in the guide hole 10, so that the telescopic frame 11 can be lifted smoothly and stably.
The caster device 5 is a universal wheel 51, the universal wheel 51 is arranged at the bottom of the supporting plate 116, and the universal wheel 51 can extend downwards out of the bottom of the foot box 4 or retract upwards into the foot box 4, so that the telescopic frame 11 and the caster device 5 have simpler structures.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The lifting electric heating table comprises a panel, a lifting column assembly, a fixed column and a foot box, and is characterized in that the panel is fixedly connected to the upper end of the lifting column assembly, the foot box is fixedly connected to the lower part of the fixed column, and the lifting column assembly is arranged in the hollow fixed column in a vertical sliding manner and drives the panel to lift;
the lifting column assembly is provided with a lifting internal threaded hole, the lifting internal threaded hole is in threaded connection with a screw rod, and the screw rod passes through the lifting internal threaded hole and is vertically arranged in the lifting column assembly and the fixed column;
the foot box is internally provided with a motor, a transmission rod and a gear box, the output end of the motor is provided with the transmission rod, the gear box is internally provided with a driving gear and a driven gear, the driving gear is arranged at the end part of the transmission rod, the driven gear is fixedly arranged at the lower end of a screw rod, the driving gear is meshed with the driven gear for transmission, the motor drives the transmission rod to rotate, the transmission rod rotates to drive the driving gear to rotate, the driving gear rotates to drive the driven gear to rotate, the driven gear rotates to drive the screw rod to rotate, and the screw rod rotates to drive the lifting column component to slide up and down;
the telescopic lifting column comprises a lifting column assembly, a lifting column is arranged on the lifting column assembly, a telescopic frame is movably arranged below the lifting column assembly, guide holes are formed in the periphery of the lower portion of the screw and the periphery of the gear box, the telescopic frame is arranged in the guide holes in a vertical sliding mode, a trundle device is arranged on the telescopic frame in a vertical sliding mode, the trundle device is arranged at the lower portion of a fixed column or the bottom of a foot box in a vertical sliding mode, a pressing position is arranged on the telescopic frame, when the lifting column assembly descends, the lifting column assembly presses the telescopic frame to descend together, the telescopic frame drives the trundle device to downwards extend out of the lower portion of the fixed column or the bottom of the foot box, when the lifting column assembly ascends, and when the lifting column assembly does not press the telescopic frame after being separated from the pressing position, the telescopic frame and the trundle device upwards retract into the fixed column or the foot box.
2. The electric heating table as claimed in claim 1, wherein the elevating column assembly comprises an elevating column, an elevating tube and an elevating nut, the elevating tube is disposed in the elevating column, the elevating tube is fixedly connected with the elevating column, the elevating nut is disposed in the elevating tube or at the lower end of the elevating tube, the elevating nut is provided with the elevating internal threaded hole, and the upper end of the screw rod passes through the elevating nut upwards and extends into the elevating tube.
3. The lifting electric heating table according to claim 2, wherein the expansion bracket comprises a sliding plate and a guide arm, one end of the guide arm is fixedly connected with the sliding plate, the sliding plate is movably arranged between the top of the gear box and the lower end of the lifting pipe or between the top of the gear box and the lifting nut, the pressing-down position is arranged on the sliding plate, a guide hole is arranged in the lower part of the fixed column or in the foot box, and the guide arm is slidably arranged in the guide hole.
4. The lifting electric heating table according to claim 2, wherein the expansion bracket comprises a sliding plate and a guide arm, the guide arm and the sliding plate are slidably arranged, the sliding plate is movably arranged between the top of the gear box and the lower end of the lifting pipe or between the top of the gear box and the lifting nut, the pressing-down position is arranged on the sliding plate, a guide hole is formed in the sliding plate, a fixing plate is arranged on the gear box or beside the gear box, the guide arm is fixedly arranged on the fixing plate, and the guide arm is slidably arranged in the guide hole.
5. The lifting electric heating table according to claim 2, wherein the expansion bracket comprises a sliding plate, a guide arm and a supporting plate, the sliding plate on the upper part of the expansion bracket, the guide arm in the middle part and the supporting plate on the lower part are integrally formed into a Z shape, the sliding plate is movably arranged between the top of the gear box and the lower end of the lifting pipe or between the top of the gear box and the lifting nut, the pressing position is arranged on the sliding plate, a fixing plate is arranged on or beside the gear box, a guide hole is arranged at one end of the fixing plate far away from the gear box, and the guide arm is slidably arranged in the guide hole.
6. The lifting electric heating table according to any one of claims 3-5, further comprising a return spring, wherein the return spring is arranged between the top of the gear box and the sliding plate, the return spring is arranged on the periphery of the lower portion of the screw rod, two ends of the return spring are respectively propped against the sliding plate and the gear box, a spring positioning cap is arranged at a pressing-down position on the sliding plate, the return spring is arranged in the spring positioning cap, a yielding hole is arranged at the top of the spring positioning cap, and the lower end of the screw rod downwards penetrates through the yielding hole and the return spring and is in transmission connection with the gear box.
7. A lifting electric warming table according to claim 3, wherein the caster device comprises a guide plate fixedly connected to the other end of the guide arm and a universal wheel provided at the bottom of the guide plate.
8. The lifting electric heating table according to claim 7, further comprising a foot fixedly connected to the lower end of the fixed column or the bottom of the foot box, wherein a guide opening is formed in the foot, the guide plate and the universal wheel are arranged in the guide opening in a vertically sliding manner, and the universal wheel can extend out of the guide opening downwards or retract into the guide opening upwards.
9. The lifting electric heating table according to claim 3 or 4, wherein the caster device comprises a guide post and a universal wheel, a guide cylinder is fixedly arranged in the foot box, an opening at the lower end of the guide cylinder is exposed out of the bottom of the foot box, the upper end of the guide post is fixedly connected to one end of the sliding plate, the guide post is arranged in the guide cylinder in a vertically sliding manner, the universal wheel is fixedly connected to the lower end of the guide post, and the universal wheel can extend out of the guide cylinder downwards or retract into the guide cylinder upwards.
10. The lifting electric warming table according to claim 5, wherein the caster device is a universal wheel, the universal wheel is arranged at the bottom of the supporting plate, and the universal wheel can extend downwards out of the bottom of the foot box or retract upwards into the foot box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533374.4U CN219438474U (en) | 2023-03-16 | 2023-03-16 | Lifting electric heating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533374.4U CN219438474U (en) | 2023-03-16 | 2023-03-16 | Lifting electric heating table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219438474U true CN219438474U (en) | 2023-08-01 |
Family
ID=87422905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320533374.4U Active CN219438474U (en) | 2023-03-16 | 2023-03-16 | Lifting electric heating table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219438474U (en) |
-
2023
- 2023-03-16 CN CN202320533374.4U patent/CN219438474U/en active Active
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