Inclined leg type lifting table

Abstract

The utility model discloses an inclined leg type lifting table, belongs to the field of lifting tables, solves the problem that the service life of a gear is shortened due to the fact that the abrasion degree of the gear is easily increased when the same gear box is shared, and adopts the technical scheme that the inclined leg type lifting table mainly comprises table legs, a lifting stand column, a table plate and a power source for driving the lifting stand column to stretch out and draw back, the lifting stand column is obliquely arranged between the table legs and the table board, a transverse stand column for controlling the table board to move horizontally is fixed to the top of the lifting stand column, the lifting stand column comprises a first transmission assembly and a first gearbox, the transverse stand column comprises a second transmission assembly and a second gearbox, and the transmission rod is in transmission connection with the first gearbox and the second gearbox at the same time. In the process that the lifting stand column drives the table board to lift, the transverse stand column drives the table board to horizontally move so as to compensate horizontal displacement caused by lifting of the table board along with the lifting stand column. The gear boxes of the lifting stand column and the transverse stand column are independently arranged, so that the possibility that the output shaft is damaged is reduced.

Description

Technical Field

[0001] This utility model discloses a tilting-leg height-adjustable table, belonging to the technical field of height-adjustable tables. Background Technology

[0002] A height-adjustable desk is a type of desk that can be adjusted to a height suitable for the user's needs. Current height-adjustable desks generally consist of a tabletop, legs, and adjustable feet; the height is adjusted by changing the height of the legs. Height-adjustable desks have a wide range of applications, serving as office desks, study desks, and gaming desks.

[0003] To increase the space under the tabletop closer to the user, the legs of height-adjustable desks are typically tilted, meaning they tilt downwards towards the side furthest from the user. However, the tabletop of such desks shifts horizontally as the legs rise and fall. When the legs rise, the tabletop moves closer to the user, potentially causing them to bump into the user. Conversely, when the legs fall, the tabletop moves further away from the user, increasing the distance and requiring the user to adjust their position, thus impacting the user experience.

[0004] For example, patent CN109497698A discloses a lifting mechanism for a height-adjustable table, including a base, inclined lifting legs, and a telescopic crossbar installed on the upper end of the lifting legs. The upper end of the lifting legs is provided with a transmission mechanism that simultaneously drives the lifting legs to move up and down and moves left and right relative to the crossbar. The transmission mechanism includes a first gear, a second gear, and a third gear. The first and second gears mesh with the third gear, the first gear meshes with a fourth gear, the fourth gear meshes with a fifth gear, and the fifth gear engages with a positive thread trapezoidal lead screw. The second gear is connected to a hand crank, and the third gear is fixed to the upper end of the lead screw of the lifting legs. Rotating the hand crank simultaneously drives the first and third gears to rotate. The first gear drives the positive thread trapezoidal lead screw to rotate through the fourth and fifth gears, causing the telescopic crossbar to extend and retract. The third gear drives the lead screw to rotate, causing the lifting legs to move up and down. Thus, the distance the crossbar moves left and right is the same as the distance the crossbar moves left and right due to the lifting movement of the upper lifting tube.

[0005] However, in the aforementioned patent, the lifting table legs and the crossbar share the same gearbox. The second gear meshes with the first and third gears simultaneously for driving. The first and third gears act on the second gear at the same time, which makes the second gear more susceptible to damage and affects its service life. Utility Model Content

[0006] The purpose of this invention is to solve the problem that sharing the same gearbox can easily increase the wear of gears and reduce their service life. To this end, a slanted-leg lifting table is provided, in which the gearboxes of the lifting column and the horizontal column are set independently and connected to different parts of the transmission rod, which helps to reduce the possibility of damage to the transmission rod.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0008] A tilting-leg height-adjustable desk includes table legs, a lifting column, a tabletop, and a power source for driving the lifting column to extend and retract. The lifting column is inclined between the table legs and the tabletop. A horizontal column for controlling the horizontal movement of the tabletop is fixed to the top of the lifting column. The lifting column includes a first transmission assembly and a first gearbox, and the horizontal column includes a second transmission assembly and a second gearbox. A transmission rod is connected to the output end of the power source. The transmission rod is simultaneously connected to the first gearbox and the second gearbox. During the process of the lifting column driving the tabletop to rise and fall, the horizontal column drives the tabletop to move horizontally to compensate for the horizontal displacement caused by the tabletop rising and falling with the lifting column.

[0009] The beneficial effects of using this utility model are:

[0010] In this invention, the lifting column and the horizontal column are respectively equipped with a first gearbox and a second gearbox. The transmission rod of the power source is simultaneously connected to both the first and second gearboxes. After the power source is started, the transmission rod drives the first transmission assembly through the first gearbox to control the lifting column to rise and fall, thereby raising and lowering the table. Simultaneously, the transmission rod also drives the second transmission assembly through the second gearbox to control the horizontal column to extend and retract, thereby causing the table to move horizontally. When the power source is turned off, the horizontal movement of the table caused by the horizontal column is precisely enough to compensate for the horizontal displacement of the table caused by the lifting column, ensuring that the horizontal position of the table remains unchanged before and after lifting. This eliminates the need for the user to adjust their position and prevents the table from bumping into the user, improving the user experience and making the use of the height-adjustable table safer and more reliable. Furthermore, the first and second gearboxes are independent of each other. The gearbox and second gearbox are respectively connected to different parts of the transmission rod, which reduces the possibility of damage to the transmission rod and helps to extend its service life. Furthermore, because the two gearboxes are connected to the transmission rod at different positions, the transmission ratio between the transmission rod and the two transmission assemblies can be independently designed according to the lifting height and tilt angle of the lifting column. This ensures that the horizontal column can compensate for the horizontal position of the tabletop, making the adjustment of the tabletop by the horizontal column more precise and reliable. Secondly, the lifting column and the horizontal column are set independently, without a strong connection between them, allowing for adjustment of the installation position according to actual needs. A transmission rod of appropriate length can be used normally, giving the lifting column and the horizontal column better spatial adaptability. Moreover, the transmission rod synchronously drives the first gearbox and the second gearbox, enabling the tabletop to move horizontally synchronously during lifting, making the tabletop adjustment faster and more reliable, and helping to improve adjustment efficiency.

[0011] Preferably, the horizontal column includes at least an outer tube and an inner tube. The outer tube is fixed to the top of the lifting column, and the bottom of the table is fixedly connected to the inner tube. The inner tube extends and retracts relative to the outer tube to drive the table to move horizontally.

[0012] Preferably, the lifting table has two lifting columns and two horizontal columns. The bottom of the table is provided with a first horizontal beam and a second horizontal beam. The two ends of the first horizontal beam are fixedly connected to the inner tubes of the two horizontal columns respectively. The two ends of the second horizontal beam are provided with sliders. The horizontal columns are provided with sliding grooves for the sliders to slide. The sliders cooperate with the sliding grooves to make the second horizontal beam slide in connection with the horizontal columns. By adopting the aforementioned technical solution, two horizontal columns are set up, and the inner tubes of the two horizontal columns are fixed by a first crossbeam. This ensures that the two horizontal columns can extend and retract at different times, preventing the tabletop from deflecting horizontally and making the tabletop slide more smoothly and steadily. In addition, the tabletop is slidably connected to the outer tubes of the two horizontal columns by a second crossbeam. When the tabletop moves horizontally with the extension and retraction of the inner tubes, the second crossbeam drives the slider to slide along the slide groove. The cooperation between the slider and the slide groove ensures that the tabletop can slide relative to the outer tube while also connecting the tabletop to the outer tube, preventing the tabletop from detaching from the outer tube and causing safety hazards. Furthermore, the slidable connection between the second crossbeam and the outer tubes avoids direct contact between the tabletop and the horizontal columns, preventing wear and tear on both sides and helping to extend the service life of the tabletop.

[0013] Preferably, the height-adjustable desk has two synchronously operating power sources, each driving one lifting column and one horizontal column simultaneously. By employing the aforementioned technical solution, the synchronous driving of the lifting columns on both sides by the two power sources ensures that the lifting columns can rise and fall synchronously, keeping the desk level and preventing the possibility of the two lifting columns having different heights. Furthermore, the synchronous driving of the two horizontal columns by the two power sources ensures that the extension and retraction lengths of the two horizontal columns remain the same, preventing horizontal deflection of the desk. The horizontal columns compensate for horizontal displacement of the desk more smoothly and reliably, making the use of the height-adjustable desk safer.

[0014] Preferably, a connecting rod is provided between the two lifting columns, and two horizontal columns are located between the two lifting columns. Each horizontal column has a through hole for the connecting rod to pass through, and both ends of the connecting rod pass through the through hole and are fixed to the side of the lifting column away from the first crossbeam. Using the aforementioned technical solution, the connecting rod directly connects the two lifting columns, forming a stable frame structure, avoiding the possibility of relative swaying between the two lifting columns. It also enables the lifting columns to have a stronger load-bearing capacity, helping to improve the load capacity of the lifting table, enhancing the overall structural stability and rigidity of the table, and ensuring that the table will not shake or tilt during use. Furthermore, placing the connecting rod at the top of the lifting column avoids interference with the user's leg movements, allowing for greater movement space under the tabletop and improving the user experience. Secondly, connecting the connecting rod to the side of the lifting column away from the first crossbeam avoids interference with the extension and retraction of the horizontal columns, ensuring that the horizontal columns can extend and retract normally, making the operation of the lifting table more stable and reliable.

[0015] Preferably, the transmission rod extends into both the horizontal column and the lifting column. The first transmission assembly includes a first lead screw, and a first driven gear fixed to the first lead screw is housed in a first gearbox. The second transmission assembly includes a second lead screw, and a second driven gear fixed to the second lead screw is housed in a second gearbox. The transmission rod has a first driving gear meshing with the first driven gear and a second driving gear meshing with the second driven gear. Using the aforementioned technical solution, the first and second driving gears are independently configured and mesh with the first and second driven gears respectively. Therefore, the transmission ratio between the transmission rod and the two gearboxes can be independently set, resulting in higher precision in the extension and retraction of the lifting column and the horizontal column. Simultaneously, it allows the tabletop to remain horizontally fixed with the table legs during the lifting process, contributing to improved intelligence of the height-adjustable table.

[0016] Preferably, the transverse column is fixed to the outer wall of the lifting column, the power source is fixed to the outer wall of either the transverse column or the lifting column, and the axial direction of the transmission rod is perpendicular to the axial direction of the first lead screw and also perpendicular to the axial direction of the second lead screw. This technical solution ensures that the transmission rod can be directly and simultaneously connected to both the first and second lead screws, eliminating the need for additional transmission structures, reducing the number of transmission stages, lowering energy consumption during transmission, and simplifying the connection structure between the transmission rod and the two transmission assemblies.

[0017] Preferably, the power source drives the lifting column and the horizontal column to extend and retract synchronously, so that the tabletop remains fixed horizontally relative to the table legs while rising and falling with the lifting column. Using the aforementioned technical solution effectively avoids the possibility of the mainboard bumping into the user during the rising process, making the lifting of the desk more aesthetically pleasing.

[0018] Preferably, the output end of the power source is detachably connected to the transmission rod. By adopting the aforementioned technical solution, the power source can be easily replaced, allowing users to adapt to different usage environments and effectively improving the user experience.

[0019] Preferably, the power source is an electric motor or a hand crank.

[0020] Other features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] Figure 1 This is a structural schematic diagram of a slanted-leg lift table according to the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of the inclined leg lifting table of this utility model after the tabletop is omitted;

[0024] Figure 3 for Figure 2 A magnified view of part A in the middle;

[0025] Figure 4 This is a schematic diagram of the power source and two transmission assemblies in a slanted-leg lifting table according to this utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the lifting column after it is raised in the inclined leg lifting table of this utility model.

[0027] Reference numerals: 1. Table leg; 2. Lifting column; 211. First driven gear; 212. First lead screw; 22. Connecting rod; 3. Tabletop; 31. First crossbeam; 32. Second crossbeam; 321. Slider; 4. Horizontal column; 41. Outer tube; 411. Slide groove; 412. Through hole; 42. Inner tube; 431. Second driven gear; 432. Second lead screw; 5. Power source; 51. Transmission rod; 511. First driving gear; 512. Second driving gear. Detailed Implementation

[0028] The technical solutions of the present utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present utility model.

[0029] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] like Figures 1 to 5 As shown in the figure, this embodiment demonstrates a tilting-leg height-adjustable desk, including a desk leg 1, a lifting column 2, a desk board 3, and a power source 5 for driving the lifting column 2 to extend and retract. The lifting column 2 is inclined between the desk leg 1 and the desk board 3. A horizontal column 4 for controlling the horizontal movement of the desk board 3 is fixed to the top of the lifting column 2. The lifting column 2 includes a first transmission assembly and a first gearbox, and the horizontal column 4 includes a second transmission assembly and a second gearbox. The output end of the power source 5 is connected to a transmission rod 51, which is simultaneously connected to the first gearbox and the second gearbox. During the process of the lifting column 2 driving the desk board 3 to rise and fall, the horizontal column 4 drives the desk board 3 to move horizontally to compensate for the horizontal displacement caused by the rise and fall of the desk board 3 with the lifting column 2.

[0032] In this embodiment, the lifting column 2 and the horizontal column 4 are respectively equipped with a first gearbox and a second gearbox. The transmission rod 51 of the power source 5 is simultaneously connected to the first gearbox and the second gearbox. After the power source 5 is started, the transmission rod 51 drives the first transmission assembly through the first gearbox to control the lifting column 2 to rise and fall, thereby driving the tabletop 3 to rise and fall. At the same time, the transmission rod 51 also drives the second transmission assembly through the second gearbox to control the horizontal column 4 to extend and retract, thereby driving the tabletop 3 to move horizontally. When the power source 5 is turned off, the horizontal distance that the horizontal column 4 drives the tabletop 3 to move horizontally is just enough to compensate for the horizontal displacement distance caused by the lifting column 2, so that the horizontal position of the tabletop 3 remains unchanged before and after the lifting. The user does not need to adjust their position, and the tabletop 3 will not bump into the user, which helps to improve the user experience and makes the use of the height-adjustable table safer and more reliable. In addition, the first gearbox and the second gearbox are independent of each other. The first and second gearboxes are respectively connected to different parts of the transmission rod 51, which reduces the possibility of damage to the transmission rod 51 and helps to improve its service life. Since the two gearboxes are connected to the transmission rod 51 at different positions, the transmission ratio between the transmission rod 51 and the two gearboxes can be independently designed according to the lifting height and tilt angle of the lifting column 2. This ensures that the horizontal column 4 can compensate for the horizontal position of the tabletop 3, making the adjustment of the tabletop 3 by the horizontal column 4 more precise and reliable. Secondly, the lifting column 2 and the horizontal column 4 are independently set up, with no strong connection between them. Their installation positions can be adjusted according to actual needs, and a transmission rod 51 of appropriate length can be used normally, giving the lifting column 2 and the horizontal column 4 better spatial adaptability. Furthermore, the transmission rod 51 synchronously drives the first and second gearboxes, allowing the tabletop 3 to move horizontally synchronously during lifting, making the adjustment of the tabletop 3 faster and more reliable, thus improving adjustment efficiency.

[0033] like Figure 2As shown, the height-adjustable table in this embodiment has two table legs 1, two lifting columns 2, two horizontal columns 4, and two power sources 5. Each lifting column 2 has a table leg 1 fixed to its bottom end. The two lifting columns 2 are distributed at both ends along the length of the tabletop 3. Each lifting column 2 has a horizontally placed horizontal column 4 fixed to its top end. The horizontal column 4 includes an inner tube 42 and an outer tube 41 fitted from the inside out. The outer tube 41 is fixedly connected to the outer side wall of the lifting column 2. The extension and retraction direction of the horizontal column 4 is perpendicular to the length of the tabletop 3. A first crossbeam 31 and a second crossbeam 32 are fixed to the bottom end of the tabletop 3. The two ends of the first crossbeam 31... The two ends of the second crossbeam 32 are fixedly connected to the inner tubes 42 of the two horizontal columns 4. Both ends of the second crossbeam 32 are provided with sliders 321. The top of the outer tube 41 is provided with a groove 411 for the sliders 321 to slide. The length direction of the groove 411 is parallel to the length direction of the outer tube 41. The second crossbeam 32 and the outer tube 41 achieve sliding cooperation through the cooperation of the sliders 321 and the groove 411. When the inner tube 42 of the horizontal column 4 extends or retracts relative to the outer tube 41, the inner tube 42 of the horizontal column 4 drives the entire table 3 to slide along the length direction of the horizontal column 4 through the first crossbeam 31. During the sliding of the table 3, the second crossbeam 32 drives the sliders 321 to slide along the groove 411.

[0034] In this embodiment, two lifting columns 2 are provided on the underside of the tabletop 3. These two columns support the tabletop 3, making the support more stable and reliable, ensuring the stability of the entire lifting table and reducing the possibility of significant swaying. Additionally, by providing two horizontal columns 4 and fixing their inner tubes 42 to the first crossbeam 31, the two horizontal columns 4 can extend and retract at different times, preventing horizontal deflection of the tabletop 3 and making its sliding smoother. Furthermore, the tabletop 3 is connected to the two horizontal columns via the second crossbeam 32. The outer tube 41 of column 4 is slidably connected. When the tabletop 3 moves horizontally with the extension and retraction of the inner tube 42, the second crossbeam 32 drives the slider 321 to slide along the slide groove 411. The cooperation between the slider 321 and the slide groove 411 ensures that the tabletop 3 can slide relative to the outer tube 41, while also connecting the tabletop 3 with the outer tube 41, thus preventing the tabletop 3 from detaching from the outer tube 41 and causing safety hazards. Secondly, the slidable connection between the second crossbeam 32 and the outer tube 41 can prevent the tabletop 3 from directly contacting the horizontal column 4, reducing the wear and tear on the tabletop 3 and the horizontal column 4, and helping to improve the service life of the tabletop 3.

[0035] like Figure 2 and Figure 3As shown, in this embodiment, a connecting rod 22 is provided between the two lifting columns 2. Both ends of the connecting rod 22 are fixed to the top of the lifting column 2. Two other horizontal columns 4 are located between the two lifting columns 2, i.e., the horizontal columns 4 are fixed to the outer wall of the lifting column 2 facing the other lifting column 2. To allow the connecting rod 22 to be closer to the tabletop 3, thus providing more space for movement under the tabletop 3, the horizontal columns 4 in this embodiment have through holes 412 for the connecting rod 22 to pass through. Both ends of the connecting rod 22 pass through the through holes 412 and are fixed to the side of the lifting column 2 away from the first crossbeam 31. The connecting rod 22 directly connects the two lifting columns 2, forming a stable frame structure and preventing the two lifting columns from... The reduction of the relative sway of the lifting column 2 also enhances its load-bearing capacity, improving the load capacity of the lifting table and increasing the overall structural stability and rigidity, ensuring that the table will not shake or tilt during use. Furthermore, placing the connecting rod 22 at the top of the lifting column 2 prevents it from interfering with the user's leg movements, allowing for greater space under the tabletop 3 and improving the user experience. Secondly, the connecting rod 22 is connected to the side of the lifting column 2 away from the first crossbeam 31, preventing it from interfering with the extension and retraction of the horizontal column 4, ensuring the horizontal column 4 can extend and retract normally, and making the lifting table's operation more stable and reliable.

[0036] It is understandable, of course, that in other embodiments, the two horizontal columns 4 may be located outside the two lifting columns 2.

[0037] like Figure 2 As shown, the height-adjustable table in this embodiment has two synchronously operating power sources 5. Each power source simultaneously drives one lifting column 2 and one horizontal column 4. The power source 5 is a motor, which is fixed to the outer wall of the horizontal column 4 facing the other horizontal column 4. That is, the two motors are located between the two horizontal columns 4. The horizontal columns 4 can protect the motors during startup, reducing the possibility of the motors being hit by external forces and helping to reduce the possibility of motor damage. In addition, by synchronously driving the lifting columns 2 on both sides by the two power sources 5, it is ensured that the lifting columns 2 can rise and fall synchronously, so that the tabletop 3 can always remain horizontal and avoid the possibility of the two lifting columns 2 having different heights. In addition, the two power sources 5 synchronously drive the two horizontal columns 4, ensuring that the extension and retraction lengths of the two horizontal columns 4 remain the same, preventing the tabletop 3 from horizontally deflecting. The horizontal columns 4 are more stable and reliable when compensating for the horizontal displacement of the tabletop 3, making the use of the height-adjustable table safer.

[0038] Furthermore, to facilitate the installation and disassembly of the motor, in this embodiment, the output end of the power source 5 is detachably connected to the transmission rod 51, allowing for easy replacement of the power source 5. This enables users to adapt to different usage environments and effectively improves the user experience. It is understood that in other embodiments, the motor may also be installed on the side of the lifting column 2 facing away from the horizontal column 4. This arrangement facilitates the disassembly and installation of the motor, making motor maintenance and replacement more convenient and faster.

[0039] It is understandable, of course, that the power source 5 described in other embodiments may also be a hand crank.

[0040] like Figure 4 As shown, in this embodiment, the first transmission assembly includes a first lead screw 212, which is rotatably mounted inside the lifting column 2. A first driven gear 211, fixed to the first lead screw 212, is provided in the first gearbox. The second transmission assembly includes a second lead screw 432, which is rotatably mounted inside the transverse column 4. A second driven gear 431, fixed to the second lead screw 432, is provided in the second gearbox. Both the transverse column 4 and the lifting column 2 have through holes. The transmission rod 51 passes through both through holes simultaneously, allowing it to extend into both the lifting column 2 and the transverse column 4. A first driving gear 511 and a second driving gear 512 are fixedly mounted on the transmission rod 51. The first driving gear 511 and the second driving gear 512 can rotate synchronously with the transmission rod 51. It should be noted that the cross-section of the transmission rod 51 in this embodiment is polygonal. The transmission rod 51 and the first… The first drive gear 511 and the second drive gear 512 are anti-rotationally engaged so that the first drive gear 511 and the second drive gear 512 can rotate synchronously with the transmission rod 51. After the transmission rod 51 is installed, the first drive gear 511 is located inside the lifting column 2 and is meshed with the first driven gear 211. The second drive gear 512 is located inside the horizontal column 4 and is internally meshed with the second driven gear 431. The first drive gear 511 and the second drive gear 512 are independently set and mesh with the first driven gear 211 and the second driven gear 431 respectively. Therefore, the transmission ratio between the transmission rod 51 and the two gearboxes can be set independently, so that the extension and retraction of the lifting column 2 and the horizontal column 4 have higher precision. At the same time, it can make the tabletop 3 keep horizontally fixed with the table legs 1 during the lifting process, which helps to improve the intelligence of the lifting table.

[0041] In addition, in this embodiment, the axial direction of the transmission rod 51 is perpendicular to the axial direction of the first lead screw 212 and the axial direction of the second lead screw 432, ensuring that the transmission rod 51 can be directly and simultaneously connected to the first lead screw 212 and the second lead screw 432 without the need to add an additional transmission structure, reducing the number of transmission stages and reducing energy consumption during the transmission process. At the same time, it also simplifies the connection structure between the transmission rod 51 and the two gearboxes.

[0042] refer to Figure 1 and Figure 5 As shown, Figure 1 The lifting column 2 and the horizontal column 4 mentioned above are both retracted to their shortest lengths. Figure 5 The lifting column 2 and the horizontal column 4 described above are both extended to their maximum length, and the lifting table is adjusted from... Figure 1 Exercise to Figure 5 During the process, the motor drives the transmission rod 51 to rotate. The transmission rod 51 synchronously drives the first lead screw 212 and the second lead screw 432 to rotate through the first drive gear 511 and the second drive gear 512. As the first lead screw 212 rotates, the lifting column 2 gradually extends, thereby driving the tabletop 3 to rise. However, as the lifting column 2 rises, the tabletop 3 will move closer to the user. As the second lead screw 432 rotates, the horizontal column 4 gradually extends, and the horizontal column 4 will drive the tabletop 3 to move in the opposite direction, moving the tabletop 3 away from the user. This compensates for the horizontal displacement of the tabletop 3 caused by the lifting column 2. When the lifting column 2 rises to its highest point, the horizontal column 4 also extends to its longest state. At this time, the horizontal distance that the horizontal column 4 drives the tabletop 3 to move horizontally is just enough to compensate for the horizontal displacement distance of the tabletop 3 caused by the lifting column 2. This ensures that the horizontal position of the tabletop 3 remains unchanged before and after the lifting. The user does not need to adjust their position, and the tabletop 3 will not bump into the user, which helps to improve the user experience and makes the use of the height-adjustable table safer and more reliable.

[0043] Of course, as a preferred embodiment, the power source 5 drives the lifting column 2 and the horizontal column 4 to extend and retract synchronously. During the extension and retraction process, the tabletop 3 remains fixed relative to the table legs 1 in the horizontal direction while rising and falling with the lifting column 2. That is, the tabletop 3 remains fixed relative to the table legs 1 in the horizontal direction during the rising or falling process, which can effectively avoid the possibility of the main board bumping into the user during the rising process, and make the lifting table more aesthetically pleasing.

[0044] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Those skilled in the art should understand that this utility model includes, but is not limited to, the content described in the accompanying drawings and the specific embodiments above. Any modifications that do not depart from the functional and structural principles of this utility model will be included within the scope of the claims.

Claims

1. A tilting-leg height-adjustable desk, comprising table legs, a lifting column, a tabletop, and a power source for driving the lifting column to extend and retract, wherein the lifting column is tilted between the table legs and the tabletop, characterized in that, The top of the lifting column is fixed with a horizontal column that controls the horizontal movement of the table. The lifting column includes a first transmission assembly and a first gearbox, and the horizontal column includes a second transmission assembly and a second gearbox. The output end of the power source is connected to a transmission rod, which is simultaneously connected to the first gearbox and the second gearbox. During the process of the lifting column driving the table to rise and fall, the horizontal column drives the table to move horizontally to compensate for the horizontal displacement caused by the table rising and falling with the lifting column.

2. The inclined leg height-adjustable table according to claim 1, characterized in that, The horizontal column includes at least an outer tube and an inner tube. The outer tube is fixed to the top of the lifting column, and the bottom of the table is fixedly connected to the inner tube. The inner tube extends and retracts relative to the outer tube to drive the table to move horizontally.

3. A slanted-leg height-adjustable table according to claim 2, characterized in that, The lifting table has two lifting columns and two horizontal columns. The bottom of the table is provided with a first horizontal beam and a second horizontal beam. The two ends of the first horizontal beam are fixedly connected to the inner tubes of the two horizontal columns respectively. The two ends of the second horizontal beam are provided with sliders. The horizontal columns are provided with sliding grooves for the sliders to slide. The sliders cooperate with the sliding grooves to make the second horizontal beam slide in connection with the horizontal columns.

4. A slanted-leg height-adjustable table according to claim 3, characterized in that, The lifting table has two synchronously operating power sources, each of which simultaneously drives a lifting column and a horizontal column.

5. A slanted-leg height-adjustable table according to claim 3, characterized in that, A connecting rod is provided between the two lifting columns, and two horizontal columns are located between the two lifting columns. The horizontal columns are provided with through holes for the connecting rod to pass through. The two ends of the connecting rod pass through the through holes and are fixed to the side of the lifting column away from the first crossbeam.

6. A slanted-leg height-adjustable table according to claim 1, characterized in that, The transmission rod extends into both the horizontal column and the lifting column. The first transmission assembly includes a first lead screw, and a first driven gear fixed to the first lead screw is provided in the first gearbox. The second transmission assembly includes a second lead screw, and a second driven gear fixed to the second lead screw is provided in the second gearbox. The transmission rod is provided with a first driving gear meshing with the first driven gear and a second driving gear meshing with the second driven gear.

7. A slanted-leg height-adjustable table according to claim 5, characterized in that, The horizontal column is fixed to the outer wall of the lifting column, the power source is fixed to the outer wall of the horizontal column or the lifting column, and the axial direction of the transmission rod is perpendicular to the axial direction of the first lead screw and also perpendicular to the axial direction of the second lead screw.

8. A slanted-leg height-adjustable table according to claim 1, characterized in that, The power source drives the lifting column and the horizontal column to extend and retract synchronously, so that the tabletop remains fixed relative to the table legs in the horizontal direction while it rises and falls with the lifting column.

9. A slanted-leg height-adjustable desk according to claim 1, characterized in that, The output end of the power source is detachably connected to the transmission rod.

10. A slanted-leg height-adjustable table according to claim 1, characterized in that, The power source is an electric motor or a hand crank.

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