Novel double-motor lifting table

Abstract

The utility model discloses a novel double-motor lifting table, which relates to the technical field of electric office equipment, and comprises a panel, a first supporting leg and a second supporting leg, and the panel is arranged at the top of the first supporting leg and the top of the second supporting leg. The first supporting leg and the second supporting leg are fixedly connected with the panel through a first lifting frame and a second lifting frame respectively, a connecting frame is connected between the first lifting frame and the second lifting frame, and the first lifting frame and the second lifting frame are each externally provided with a driving motor and internally provided with a lifting driving mechanism. The driving motors are connected with the lifting driving mechanism through transmission shafts, a power source is arranged on one side of the connecting frame, and the two driving motors are electrically connected with the power source through a controller. The double-motor lifting device has the advantages that double-motor driving is achieved, lifting is stable, the service life of the motors is effectively prolonged, foreign matter is prevented from being drawn in through a built-in lifting mechanism, and the overall safety level is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric office equipment, in particular to a novel dual-motor lifting table. Background Art

[0002] The automatic lifting table is a table that can be raised and lowered by electric means. The purpose is to meet the needs of different groups of people in office and study, so that the height of the table can be changed at will. The technical content disclosed in the Chinese patent document (application number: CN202320409318.X, patent name: A single-motor lifting table pipe frame structure) is: "It includes two support components and adjustment plates respectively connected to the two support components, one side of the two adjustment plates is detachably connected to a fixed pipe frame, and the other side of the adjustment plate is provided with an adjustment and stabilization component connected to the support component, and the adjustment plate is an L-shaped plate, and one end face of the adjustment plate is provided with a plurality of positioning holes. The utility model increases or decreases the spacing between the two columns by moving the long hexagonal rod in the transmission telescopic rod. Based on this, the mounting holes on the fixed pipe frame correspond to the adjusted positioning holes, so that the adjustment plate and the fixed pipe frame are connected and fixed by external bolts, and bolts are installed in the stabilization holes and threaded holes at the same time to ensure the stability of the fixed pipe frame, so that the one-piece fixed pipe frame has a certain stability after adjusting the width of the table frame, and is more economical within specific specifications." However, the above technology has the problem that it uses a single motor drive. The small motor drives the heavier lifting table, which has a large load and is easy to damage the motor; the transmission telescopic rod is exposed and is easy to get caught in wires or foreign objects that damage the overall lifting structure. Therefore, a new dual-motor lifting table is urgently needed to solve the above problems. Utility Model Content

[0003] In view of the above technical defects, the utility model provides a novel dual-motor lifting table to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a new dual-motor lifting table, including a panel, a first supporting leg, and a second supporting leg, the panel is arranged on the top of the first supporting leg and the second supporting leg, the first supporting leg and the second supporting leg are respectively fixedly connected to the panel through a first lifting frame and a second lifting frame, a connecting frame is connected between the first lifting frame and the second lifting frame, the first lifting frame and the second lifting frame are respectively provided with an external driving motor and an internal lifting driving mechanism, the driving motor is connected to the lifting driving mechanism through a transmission shaft, a power supply is provided on one side of the connecting frame, and the two driving motors are electrically connected to the power supply through a controller.

[0005] Preferably, the first lifting frame and the second lifting frame have the same structure, the first lifting frame includes a vertical rod, a horizontal rod, and a motor fixing box, the vertical rod is slidably nested in the first supporting foot, the horizontal rod is located at the top of the vertical rod and is perpendicular to the vertical rod, the motor fixing box is located at the connection between the vertical rod and the horizontal rod, the motor fixing box remains perpendicular to the vertical rod and the horizontal rod at the same time, and the drive motor is located in the motor fixing box.

[0006] Preferably, the connecting frame includes a first fixing frame and a second fixing frame, wherein the first fixing frame and the second fixing frame are movably nested with a middle connecting member, and the middle connecting member is respectively connected to the first fixing frame and the second fixing frame through second connecting members at both ends.

[0007] Preferably, the controller includes a display screen and a plurality of buttons, and the drive motor is electrically connected to the power supply through the controller.

[0008] Preferably, a guide ring is provided between the first lifting frame and the first supporting leg, the guide ring comprises a transition outer edge and a buckle, the transition outer edge surrounds the first lifting frame, and the buckle is matched with the first supporting leg.

[0009] Preferably, the lifting drive mechanism includes a screw rod, an inverted nut, a first plastic bearing, and a second plastic bearing. The inverted nut is fixedly connected to the first lifting frame or the second lifting frame, and the inverted nut passes through the screw rod. The screw rod is perpendicular to the first supporting foot and the second supporting foot. A long axis gear is arranged between the first plastic bearing and the second plastic bearing, and the long axis gear is meshed with the lifting gear at the top of the inverted nut. The transmission shaft of the drive motor is matched with the first plastic bearing and the second plastic bearing through a hexagonal screw hole.

[0010] Preferably, two wire holes are provided on the outer edge of the panel.

[0011] Preferably, a first pad and a second pad are respectively provided at the bottom of the first supporting foot and the second supporting foot, and both ends of the first pad and the second pad are connected to leveling feet.

[0012] Compared with the prior art, the beneficial effects of the new dual-motor lifting table of the utility model are: the device is equipped with two motors to realize the lifting function, which can effectively reduce the load of the driving motor, extend the service life of the motor, and provide a smoother lifting effect compared to a single motor drive; the driving motor is directly connected to the lifting drive mechanism to avoid leakage of rotating parts, effectively place winding wires or other foreign objects, and improve the overall safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 is a schematic diagram of the support structure assembly;

[0015] Figure 3 is a structural schematic diagram of a connecting frame;

[0016] Figure 4 It is the structural diagram of the controller;

[0017] Figure 5 is a structural schematic diagram of a first lifting frame;

[0018] Figure 6 It is a structural schematic diagram of the lifting drive mechanism;

[0019] Figure 7 It is a schematic diagram of the exploded structure of the lifting drive mechanism.

[0020] In the figure: 1-panel, 2-first supporting foot, 201-first pad, 3-second supporting foot, 301-second pad, 4-leveling foot, 5-drive motor, 6-controller, 601-display screen, 602-button, 7-power supply, 8-first lifting frame, 801-vertical rod, 802-cross rod, 803-motor fixing box, 9-second lifting frame, 10-connecting frame, 1001-first fixing frame, 1002-second fixing frame, 1003-middle connecting piece, 1004-length adjustment hole, 11-second connecting piece, 13-lifting drive mechanism, 1301-housing, 1302-screw rod, 1303-inverted nut, 1304-first plastic bearing, 1305-second plastic bearing, 1306-long shaft gear, 1307-lifting gear, 1308-third bearing. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Please refer to the attached Figure 1-7The utility model provides an embodiment: a new dual-motor lifting table, including a panel 1, a first support leg 2, and a second support leg 3. The panel 1 is arranged on the top of the first support leg 2 and the second support leg 3. The first support leg 2 and the second support leg 3 are fixedly connected to the panel 1 through a first lifting frame 8 and a second lifting frame 9, respectively. A connecting frame 10 is connected between the first lifting frame 8 and the second lifting frame 9. The first lifting frame 8 and the second lifting frame 9 are respectively provided with an external driving motor 5 and an internal lifting driving mechanism 13. The driving motor 5 is connected to the lifting driving mechanism 13 through a transmission shaft. A power supply 7 is arranged on one side of the connecting frame 10. The two driving motors 5 are electrically connected to the power supply 7 through a controller 6. Two wire holes 101 are arranged on the outer edge of the panel 1. The first supporting leg 2 and the second supporting leg 3 are respectively provided with a first pad 201 and a second pad 301 at the bottom, and the first pad 201 and the second pad 301 are connected to the two ends of the leveling foot 4.

[0023] The panel 1 is used to support and place work items. The first support leg 2 and the second support leg 3 are usually made of solid metal materials and are used to support the entire desktop structure. The first lifting frame 8 and the second lifting frame 9 are used to realize the lifting function of the desktop. A connecting frame 10 is connected between the first lifting frame 8 and the second lifting frame 9 to provide additional stability and support.

[0024] Each lifting frame is externally provided with a driving motor 5 for providing power to realize the lifting and lowering movement of the desktop. The driving motor 5 is connected to the corresponding lifting driving mechanism 13 through a transmission shaft, thereby driving the lifting and lowering movement of the desktop. The lifting driving mechanism 13 adopts a screw mechanical structure to provide a smooth and reliable lifting function. The lifting and lowering realized by two driving motors 5 can reduce the working pressure of the motor under a single motor working condition, which is conducive to extending the service life of the driving motor 5 and providing a more stable driving effect. The two driving motors 5 are electrically connected to the power supply 7 through the controller 6, which is used to control the movement of the lifting table to provide convenient operation and control. The wire hole 101 is located at the outer edge of the panel 1, which is used to guide the power cord, data cable or other cables through the cable to keep the desktop clean and orderly. The first pad 201 and the second pad 301 are connected to the two ends of the leveling feet 4, which are used to adjust the horizontality and stability of the table and enhance the shock absorption and anti-slip effects.

[0025] The first lifting frame 8 has the same structure as the second lifting frame 9. The first lifting frame 8 includes a vertical rod 801, a horizontal rod 802, and a motor fixing box 803. The vertical rod 801 is slidably nested in the first supporting foot 2. The horizontal rod 802 is located at the top of the vertical rod 801 and is perpendicular to the vertical rod 801. The motor fixing box 803 is located at the connection between the vertical rod 801 and the horizontal rod 802. The motor fixing box 803 remains perpendicular to the vertical rod 801 and the horizontal rod 802 at the same time. The driving motor 5 is located in the motor fixing box 803.

[0026] The connecting frame 10 includes a first fixing frame 1001 and a second fixing frame 1002. The first fixing frame 1001 and the second fixing frame 1002 are movably nested with a middle connecting member 1003. The middle connecting member 1003 is connected to the first fixing frame 1001 and the second fixing frame 1002 respectively through second connecting members 11 at both ends.

[0027] The vertical rod 801 is slidably nested in the sliding channel of the corresponding first supporting foot 2 and the second supporting foot 3 to support the lifting movement of the desktop. The cross bar 802 is located at the top of the vertical rod 801 and intersects vertically with the vertical rod, which increases the stability of the structure. The motor fixing box 803 is located at the connection between the vertical rod 801 and the cross bar 802, and is kept vertically with the vertical rod 801 and the cross bar 802 to provide the fixing and support of the motor. The connecting frame 10 has a large bearing area and can effectively support the panel 1. The first fixing frame 1001, the second fixing frame 1002, and the middle connecting piece 1003 are fixedly connected by being provided with screws. The connection between the first fixing frame 1001 and the second fixing frame 1002 can be selected with two different length adjustment holes 1004, and the total length of the connection between the first fixing frame 1001, the second fixing frame 1002, and the middle connecting piece 1003 can be adjusted according to production needs, and the standard parts can be adapted to different production needs to reduce production costs.

[0028] The controller 6 includes a display screen 601 and a plurality of buttons 602, and the driving motor 5 is electrically connected to the power supply 7 through the controller 6. The display screen 601 is a high-definition liquid crystal display screen for displaying the current desktop height, operation status, and the like. The buttons 602 can use touch buttons or physical buttons for manually controlling the desktop lifting, adjusting settings, and function selection, ensuring convenient and flexible operation.

[0029] A guide ring is provided between the first lifting frame 8 and the first supporting leg 2 , wherein the guide ring comprises a transition outer edge and a buckle, wherein the transition outer edge surrounds the first lifting frame 8 , and the buckle is matched and connected with the first supporting leg 2 .

[0030] The transition outer edge surrounds the lifting frame and is designed to be in smooth contact with the surface of the lifting frame to ensure a stable guiding effect. The transition outer edge is made of self-lubricating engineering plastic. The buckle is matched with the support foot and adopts a buckle structure to facilitate installation and removal. The buckle should be designed to firmly connect the first support foot to ensure a stable connection between the guide ring and the support structure.

[0031] The lifting drive mechanism 13 includes a screw rod 1302, an inverted nut 1303, a first plastic bearing 1304, and a second plastic bearing 1305. The inverted nut 1303 is fixedly connected to the first lifting frame 8 or the second lifting frame 9. The inverted nut 1303 passes through the screw rod 1302, and the screw rod 1302 is perpendicular to the first supporting leg 2 and the second supporting leg 3. A long shaft gear 1306 is arranged between the first plastic bearing 1304 and the second plastic bearing 1305. The long shaft gear 1306 is meshed with the lifting gear 1307 at the top of the inverted nut 1303. The synchronous shaft 7 is matched with the first plastic bearing 1304 and the second plastic bearing 1305 through a hexagonal screw hole. A shell 1301 is arranged on the top of the two lifting drive mechanisms 13 to wrap the internal gear set. The shell 1301 is fixedly connected to the first lifting frame 8 and the second lifting frame 9. A third bearing 1308 is arranged below the lifting gear 1307. The power of the driving motor 5 is transmitted to the lifting driving mechanism 13 at both ends through the synchronous shaft 7, further driving the long shaft gear 1306 to rotate, and finally the lifting gear 1307 drives the screw rod 1302 to rotate. Since the inverted nut 1303 is fixedly connected to the first lifting frame 8 and the second lifting frame 9, when the screw rod 1302 rotates, due to the torque, the inverted nut 1303 can move up and down with the forward and reverse rotation of the driving motor 5, thereby causing the first lifting frame 8, the second lifting frame 9 to move relative to the first supporting foot 2, the second supporting foot 3, thereby achieving the effect of lifting and lowering the panel 1.

[0032] The specific working method of the utility model is as follows: the lifting table is leveled as a whole by the leveling foot 4 to avoid shaking. When the power supply 7 is in the power-on state, the controller 6 is in the power-on state, the display screen 601 intuitively displays the current height of the panel 1, and the button 602 includes the functions of rising, falling, three sets of preset heights, and reset. Long pressing the rising and falling buttons can control the two drive motors 5 to drive the lifting drive mechanism 13 connected to each other to rotate the gears, and use the screw rod 1302 to start the inverted nut 1303 to move up and down, so that the first lifting frame 8, the second lifting frame 9 and the first support foot 2, the second support foot 3 have a height difference, thereby realizing the height control of the panel 1, and releasing the rising and falling buttons can stop. The current height can be stored by long pressing the preset height button. Clicking the preset height button, the electric control component will judge the difference between the current height and the preset value, thereby adjusting the panel 1 from the current height to the preset height. Clicking the reset function can display the effect of restoring the panel 1 to the lowest height with one key. The overall design of the lifting table is simple and practical, easy to transport and assemble, with good functional effects, and suitable for different office and entertainment needs.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A new type of dual-motor lifting table, characterized in that: The invention comprises a panel (1), a first supporting leg (2), and a second supporting leg (3); the panel (1) is arranged on the top of the first supporting leg (2) and the second supporting leg (3); the first supporting leg (2) and the second supporting leg (3) are respectively fixedly connected to the panel (1) through a first lifting frame (8) and a second lifting frame (9); a connecting frame (10) is connected between the first lifting frame (8) and the second lifting frame (9); the first lifting frame (8) and the second lifting frame (9) are respectively provided with an external driving motor (5) and an internal A lifting drive mechanism (13), the driving motor (5) is connected to the lifting drive mechanism (13) via a transmission shaft, a power supply (7) is provided on one side of the connecting frame (10), and the two driving motors (5) are electrically connected to the power supply (7) via a controller (6); a guide ring is provided between the first lifting frame (8) and the first supporting foot (2), the guide ring includes a transition outer edge and a buckle, the transition outer edge surrounds the first lifting frame (8), and the buckle is matched with the first supporting foot (2).

2. According to claim 1, a novel dual-motor lifting table is characterized in that: The first lifting frame (8) and the second lifting frame (9) have the same structure. The first lifting frame (8) comprises a vertical rod (801), a horizontal rod (802), and a motor fixing box (803). The vertical rod (801) is slidably nested in the first supporting foot (2). The horizontal rod (802) is located at the top of the vertical rod (801) and is perpendicular to the vertical rod (801). The motor fixing box (803) is located at the connection between the vertical rod (801) and the horizontal rod (802). The motor fixing box (803) is kept perpendicular to the vertical rod (801) and the horizontal rod (802) at the same time. The driving motor (5) is located in the motor fixing box (803).

3. According to claim 2, a new dual-motor lifting table is characterized in that: The connecting frame (10) comprises a first fixing frame (1001) and a second fixing frame (1002); the first fixing frame (1001) and the second fixing frame (1002) are movably nested with a middle connecting member (1003); the middle connecting member (1003) is respectively connected to the first fixing frame (1001) and the second fixing frame (1002) via second connecting members (11) at both ends.

4. According to claim 3, a new dual-motor lifting table is characterized in that: The controller (6) comprises a display screen (601) and a plurality of buttons (602), and the drive motor (5) is electrically connected to the power source (7) via the controller (6).

5. According to claim 4, a novel dual-motor lifting table is characterized in that: The lifting drive mechanism (13) comprises a screw (1302), an inverted nut (1303), a first plastic bearing (1304), and a second plastic bearing (1305); the inverted nut (1303) is fixedly connected to the first lifting frame (8) or the second lifting frame (9); the inverted nut (1303) passes through the screw (1302); the screw (1302) is perpendicular to the first supporting foot (2) and the second supporting foot (3); a long shaft gear (1306) is arranged between the first plastic bearing (1304) and the second plastic bearing (1305); the long shaft gear (1306) is meshed with a lifting gear (1307) at the top of the inverted nut (1303); and the transmission shaft of the driving motor (5) is matched with the first plastic bearing (1304) and the second plastic bearing (1305) through a hexagonal screw hole.

6. According to claim 1, the novel dual-motor lifting table is characterized in that The outer edge of the panel (1) is provided with two wire holes (101).

7. According to claim 6, a new dual-motor lifting table is characterized in that The first supporting foot (2) and the second supporting foot (3) are respectively provided with a first pad (201) and a second pad (301) at the bottom, and the two ends of the first pad (201) and the second pad (301) are connected with a leveling foot (4).

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