CN105962625A - A height-adjustable electric heater automatic lifting platform - Google Patents

Abstract

The invention discloses a height-adjustable automatic lifting platform of an electric heater, which comprises a lifting support table plate with a rectangular structure, wherein a group of lifting support leg assemblies is arranged at each of four corners of the lifting support table plate; the trunk transmission screw rod is connected with a lifting driving motor and is driven to rotate by the lifting driving motor. On one hand, the lifting table is simple in overall structure and applicable to lifting tables with a plurality of supporting legs; on the other hand, the driving synchronism of each support leg is good, and the horizontal degree of the table top can be controlled with high requirements.

Description

A height-adjustable electric heater automatic lifting platform

technical field

The invention relates to a product of an electric heater lifting platform commonly used in home and office, in particular to an electric heater automatic lifting platform with adjustable height.

Background technique

Conventional home and office electric heater lifting table products usually have a constant height, or the height can be customized during manufacture, but when used in different applications or consumer groups with different usage habits, constant height home, The electric heater lifting table products commonly used in the office are often difficult to meet the requirements of use. For this reason, the prior art discloses some height-adjustable lift table technical solutions:

Chinese patent document CN 101301144 B discloses a lifting table, which mainly includes a desktop, a hollow tripod, an upper support tube, a beam, a screw, and a casing, and the upper support tube forms an up and down sliding movable connection with the tripod through an adjustment mechanism; Drive the helical gear in the upper support tube to rotate through the motor or the handle, and drive the screw to move along the sleeve, so that the upper support tube moves up and down along the outer sleeve to realize the adjustment of the table height. The upper support tubes on both sides rely on the drive shaft in the middle drive synchronous motion. The disadvantage of the above technical solution is that it can only be applied to the lift table with two legs, and the lift table with only two legs has limited stability and bearing capacity, so the application range is not wide enough.

Chinese patent document CN 102715729 B discloses a lifting desktop, which mainly includes a desktop cover, a switch and two sets of support assemblies; the support assembly includes a base, a motor, a reducer, a screw, two support rods and a torsion spring, and the The reducer and the screw are installed in the base, the reducer is connected to the screw, the motor is connected to the lower ends of the two support rods through the reducer and the screw, and the two support rods are connected by a torsion spring; the desktop cover includes a base plate, The top decorative plate and the side decorative plate; the switch is installed on the top decorative plate or the side decorative plate; the upper end of the support rod is connected to the base plate, and two sets of support components are symmetrically arranged left and right along the center of the base plate. The disadvantages of the above-mentioned technical solution are: adopting the lifting mode of bilateral drive not only increases the production material cost and processing and installation cost of the drive motor, but also increases the overall weight of the table; and the drive synchronization of the two sets of drive systems is also easy to exist. deviation, which is not conducive to demanding control of the level of the tabletop.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a height-adjustable electric heater automatic lifting platform. On the one hand, the overall structure is simplified and can be applied to lifting tables with multiple legs; on the other hand, the drive synchronization of each leg is good. , which is conducive to controlling the level of the desktop with high requirements.

The technical solution adopted by the present invention to solve its technical problems is:

A height-adjustable automatic lifting table for electric heaters, comprising a rectangular lifting support table, a set of lifting foot assemblies are provided at each of the four corners of the lifting support table, and two lifting support table are also provided Two parallel branch transmission screw rods, the ends of the two branch transmission screw rods each drive a group of the lifting foot assemblies, a trunk transmission screw rod is arranged between the two branch transmission screw rods, and the trunk transmission screw rods are arranged between the two branch transmission screw rods. The driving screw is perpendicular to the two branch driving screw, and the two ends of the main driving screw are respectively connected to the middle parts of the two branch driving screw, and the ends of the main driving screw are connected to the The middle parts of the branch drive screw rods are connected by a bevel gear set; the trunk drive screw rods are connected to the lifting drive motor and are driven to rotate by the lift drive motor.

As a further improvement of the above technical solution, it also includes a control panel and a control circuit board arranged at the edge of the lift support table, the control panel is located outside the edge of the lift support table, and the control circuit board is located at the edge of the lift support table. The lift supports the inner side of the edge of the table board, and the control circuit board is electrically connected with the lift drive motor.

As a further improvement of the above technical solution, it also includes a voltage stabilizer provided on the lifting support table, and both the control circuit board and the lifting drive motor are electrically connected to the voltage stabilizer.

As a further improvement of the above technical solution, the lifting drive motor is arranged coaxially with the main driving screw, and the main driving screw is divided into a front section of the screw and a rear section of the screw. One end of the segment and the rear segment of the screw rod are respectively connected to the axial ends of the rotating shaft of the lifting drive motor, and the other end of the front segment of the screw rod and the rear segment of the screw rod are respectively connected to two The middle part of the branch transmission screw rod.

As a further improvement of the above technical solution, the lifting foot assembly includes a bottom fixed foot, a height adjustment screw and a top limit shaft cap, the bottom fixed foot is of a tubular structure and a screw hole adjustment block is fixed on the inside, and the height The lower end of the adjustment screw rod is threadedly connected with the screw hole adjustment block, the upper part of the height adjustment screw rod is connected with the end of the branch drive screw rod through a bevel gear set, and the upper end of the height adjustment screw rod is located at In the top limiting shaft cap, the top limiting shaft cap is fixedly arranged with the lifting support table.

As a further improvement of the above technical solution, the lifting foot assembly also includes a gear protection box, the gear protection box is fixed with the lifting support table, and the top limiting shaft cap is threaded with the gear protection box. The top wall is fixedly connected, and the top of the top limiting shaft cap is provided with a hexagonal wrench slot, and the connecting part of the height adjustment screw rod and the branch drive screw rod is located in the gear protection box.

As a further improvement of the above technical solution, the lifting leg assembly also includes a protective shell for the screw mandrel, both the bottom fixed leg and the protective shell for the screw mandrel have a rectangular tubular structure, and the lower end of the protective shell for the screw mandrel is located at the The inner side of the upper end of the bottom fixed leg, and the lower end of the screw protective shell is located above the screw hole adjustment block, and the upper end of the screw protective shell is fixed with the gear protective box or the lifting support table.

Compared with prior art, the beneficial effect of the present invention is:

The height-adjustable automatic lifting platform for electric heaters provided by the present invention, on the one hand, has a simplified overall structure, reduces the cost of production materials and processing and installation costs of the drive motor to the greatest extent, and reduces the overall weight of the table, which is applicable to The lifting table with multiple legs improves the stability and bearing capacity of the lifting table, so it has a wide range of applications; The drive synchronization of each leg is good, which is beneficial to control the level of the desktop with high requirements.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a structural schematic diagram of a lifting support table and related components thereof according to the present invention;

Fig. 2 is a structural schematic diagram of the lifting foot assembly and related components of the present invention.

detailed description

Referring to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are structural schematic diagrams of a specific embodiment of the present invention.

As shown in the figure, a height-adjustable electric heater automatic lifting platform includes a rectangular lifting support table 1, and a set of lifting foot assemblies 2 are provided at each of the four corners of the lifting support table 1. The lifting support table 1 is also provided with two parallel branch transmission screw rods 3, the ends of the two branch transmission screw rods 3 respectively drive a group of the lifting leg assemblies 2, and the two branch transmission screw rods 3 is provided with a main driving screw 4, the main driving screw 4 is perpendicular to the two branch driving screw 3, and the two ends of the main driving screw 4 are respectively connected to the two branch driving wires The middle part of the rod 3, and the end of the trunk drive screw 4 and the middle part of the branch drive screw 3 are connected by a bevel gear set; the trunk drive screw 4 is connected to the lifting drive motor 5 and is driven by The lifting drive motor 5 is driven to rotate.

During work, the lifting drive motor 5 drives the main transmission screw 4 to rotate, and the two ends of the main transmission screw 4 respectively drive the two branch transmission screw 3 to rotate through the conical gear set, each of which The two ends of the branch transmission screw rod 3 each drive a group of the lifting leg assemblies 2 for operation, and two of the branch transmission screw rods 3 can drive four groups of the lifting leg assemblies 2 for synchronous lifting operations.

Specifically, it also includes a control panel 6 and a control circuit board 7 arranged at the edge of the lift support table 1, the control panel 6 is located outside the edge of the lift support table 1, and the control circuit board 7 is located at the edge of the lift support table 1. The inner side of the edge of the lifting support table 1, the control circuit board 7 is electrically connected with the lifting drive motor 5. It also includes a voltage stabilizer 8 arranged on the lifting support table 1 , the control circuit board 7 and the lifting drive motor 5 are both electrically connected to the voltage stabilizer 8 . The lifting drive motor 5 is coaxially arranged with the main transmission screw mandrel 4, and the main transmission screw mandrel 4 is divided into a front segment 41 of the screw mandrel and a rear segment 42 of the screw mandrel, and the front segment 41 of the screw mandrel is One end of the subsection 42 after the screw mandrel is respectively connected to the axial two ends of the rotating shaft of the lifting drive motor 5, and the other end of the front subsection 41 of the screw mandrel and the rear subsection 42 of the screw mandrel are connected to two ends respectively. The middle part of the branch transmission screw 3. Setting the control panel 6 and the control circuit board 7 is convenient for lifting operation, setting the voltage stabilizer 8 is not only convenient for protecting the lifting drive motor 5, but also makes the working stability of the lifting drive motor 5 better, In order to adjust the height of the lifting support table 1 accurately.

Specifically, the lifting leg assembly 2 includes a bottom fixing leg 21, a height adjusting screw rod 22 and a top limit shaft cap 23. The bottom fixing leg 21 is a tubular structure and a screw hole adjusting block 24 is fixedly arranged on the inner side thereof. The lower end of the height adjustment screw rod 22 is threadedly connected with the screw hole adjustment block 24, and the top of the height adjustment screw rod 22 is connected with the end of the branch transmission screw rod 3 through a conical gear set. The upper end of the screw rod 22 is located in the top limiting shaft cap 23 , and the top limiting shaft cap 23 is fixedly arranged with the lifting support table 1 . The lifting foot assembly 2 also includes a gear protection box 25, which is fixedly arranged with the lifting support table 1, and the top limit shaft cap 23 is screwed to the top wall of the gear protection box 25. It is fixedly connected, and the top of the top limiting shaft cap 23 is provided with a hexagonal wrench groove 231 , and the connecting part of the height adjusting screw rod 22 and the branch driving screw rod 3 is located in the gear protection box 25 . The lifting leg assembly 2 also includes a screw protective shell 26, the bottom fixed leg 21 and the screw protective shell 26 are both rectangular tubular structures, and the lower end of the screw protective shell 26 is located at the bottom fixed leg 21, and the lower end of the screw protective housing 26 is located above the screw hole adjustment block 24, the upper end of the screw protective housing 26 is in contact with the gear protective box 25 or the lifting support table 1 Fixed setting.

Setting the gear protective box 25 and the screw mandrel protective shell 26 can not only play the role of safety protection and make the product more beautiful; and the gear protective box 25 can make the installation and adjustment of the height adjustment screw rod 22 easier Convenient, just use a hexagonal wrench to match the hexagonal wrench groove 231 on the top of the top limiting shaft cap 23, and unscrew the top limiting shaft cap 23 to install or adjust the height adjustment screw 22 operation; and the protective shell 26 of the screw rod can play a role in restricting the rotation of the bottom fixed leg 21 following the height adjustment screw rod 22, so that the adjustment operation of the height adjustment screw rod 22 is smoother.

The preferred implementation of the present invention has been described in detail above. Of course, the present invention can also adopt different forms from the above-mentioned embodiments. Those skilled in the art can make equivalent transformations or corresponding equivalents without violating the spirit of the present invention. Any changes should fall within the protection scope of the present invention.

Claims (7)

1. an adjustable height electric heater self-raising platform, it is characterised in that: include the lifting of rectangular configuration Supporting table (1), four corners that described lifting supports table (1) are each provided with one group of lifting Leg assembly (2), described lifting supports table (1) and is additionally provided with two branches' biographies being parallel to each other Movable wire bar (3), the end of two described branches drive lead screw (3) respectively drives liter descending branch described in a group Foot assembly (2), is provided with trunk drive lead screw (4) between two described branches drive lead screw (3), Described trunk drive lead screw (4) is perpendicular to two described branches drive lead screw (3), and described trunk The two ends of drive lead screw (4) connect the middle part of two described branches drive lead screw (3) respectively, and Lead between end and the middle part of described branch drive lead screw (3) of described trunk drive lead screw (4) Cross conical tooth wheels to connect；Described trunk drive lead screw (4) connect lifting drive motor (5) and Driven motor (5) to drive by described lifting to rotate.

A kind of adjustable height electric heater self-raising platform the most according to claim 1, it is characterised in that: Also include that being arranged at described lifting supports the control panel (6) of table (1) edge and control electricity Road plate (7), described control panel (6) is positioned at described lifting and supports outside table (1) edge, Described control circuit plate (7) is positioned at described lifting and supports inside table (1) edge, described control Circuit board (7) drives motor (5) to electrically connect with described lifting.

A kind of adjustable height electric heater self-raising platform the most according to claim 2, it is characterised in that: Also include that being arranged at described lifting supports the manostat (8) on table (1), described control circuit plate (7) motor (5) is driven all to electrically connect with described manostat (8) with described lifting.

A kind of adjustable height electric heater self-raising platform the most according to claim 1, it is characterised in that: Described lifting drives motor (5) to be coaxially disposed with described trunk drive lead screw (4), and described master Dry drive lead screw (4) is divided into segmentation (42) after segmentation (41) and screw mandrel, described screw mandrel before screw mandrel After front segmentation (41) and described screw mandrel, one end of segmentation (42) connects described lifting driving electricity respectively The axial two ends of machine (5) rotary shaft, segmentation (42) after segmentation before described screw mandrel (41) and described screw mandrel The other end connect the middle part of two described branches drive lead screw (3) respectively.

A kind of adjustable height electric heater self-raising platform the most according to claim 1, it is characterised in that: Described elevating feet assembly (2) includes bottom fixing leg (21), altitude mixture control screw mandrel (22) With upper limit axle cap (23), described bottom is fixed leg (21) and is tubular structure and inner side is fixed Being provided with screw regulating block (24), the lower end of described altitude mixture control screw mandrel (22) is adjusted with described screw Locking nub (24) is threaded connection, the top of described altitude mixture control screw mandrel (22) and described branch The end of drive lead screw (3) is connected by conical tooth wheels, described altitude mixture control screw mandrel (22) Upper end is positioned in described upper limit axle cap (23), and described upper limit axle cap (23) is with described Lifting supports table (1) and is fixedly installed.

A kind of adjustable height electric heater self-raising platform the most according to claim 5, it is characterised in that: Described elevating feet assembly (2) also includes gear protection box (25), described gear protection box (25) Supporting table (1) with described lifting to be fixedly installed, described upper limit axle cap (23) passes through screw thread Fix with the roof of described gear protection box (25) and be connected, and described upper limit axle cap (23) Top be provided with die nut groove (231), described altitude mixture control screw mandrel (22) and described branch The connecting portion of drive lead screw (3) is in described gear protection box (25).

A kind of adjustable height electric heater self-raising platform the most according to claim 6, it is characterised in that: Described elevating feet assembly (2) also includes screw mandrel guard shield (26), and leg is fixed in described bottom And described screw mandrel guard shield (26) is rectangular tubular structure, and the protection of described screw mandrel (21) The lower end of shell (26) is positioned at described bottom and fixes inside the upper end of leg (21), and described silk The lower end of bar guard shield (26) is positioned at the top of described screw regulating block (24), described screw mandrel The upper end of guard shield (26) supports table (1) with described gear protection box (25) or described lifting It is fixedly installed.