Electric lifting table leg and electric lifting table

Abstract

This utility model discloses a height-adjustable table leg for an electric height-adjustable desk, comprising a first height-adjustable column and a first foot installed at the bottom of the first height-adjustable column. The first height-adjustable column includes a sleeve assembly, a transmission assembly for driving the sleeve assembly to extend and retract, and a cable axially passing through the sleeve assembly. The sleeve assembly has a cable outlet, through which the cable connects to an external power cord. The first foot has a cavity with a side opening on one side of the width direction of the first foot. The bottom of the sleeve assembly is inserted into the cavity, and the cable outlet is located within the cavity and on the side of the sleeve assembly facing the side opening. This utility model's height-adjustable table leg not only protects the connection between the power cord and the cable outlet, preventing the user's legs from colliding with the connection, but also eliminates the need to pay attention to its installation position during assembly, thus facilitating assembly and improving the user experience. Furthermore, this utility model also discloses an electric height-adjustable desk with the aforementioned height-adjustable table leg.

Description

Technical Field

[0001] This utility model relates to the field of electric height-adjustable desks, and in particular to height-adjustable desk legs for electric height-adjustable desks and electric height-adjustable desks. Background Technology

[0002] Current electric height-adjustable desks on the market include a tabletop, two adjustable legs supporting the tabletop, and a controller. The adjustable legs consist of lifting columns and feet mounted at the base of the columns. The controller is electrically connected to the motors of the two lifting columns, supplying power to the motors and controlling their operation, thereby controlling the extension and retraction of the legs to raise and lower the tabletop. To allow the controller to connect to an external power source, existing controllers have exposed power cords that connect to an external power source to supply power. Because the power cord moves with the tabletop's movement, a portion of the cord hangs suspended below the tabletop. This can lead to situations where users pull on the power cord, causing it to disconnect from the external power source or even break.

[0003] To address the aforementioned technical issues, existing technologies incorporate a retractable cable within the sleeve assembly of one of the adjustable table legs. One end of the cable connects to a controller, while the other end connects to a power cord located outside the adjustable column via an outlet on the sleeve assembly. This power cord is connected to an external power source, and the outlet must be positioned on the side of the sleeve assembly facing away from the user to prevent the user's legs from snagging on the power cord or kicking the connection point. This necessitates careful attention to the position of the two adjustable table legs during assembly, ensuring the outlet on the sleeve assembly faces away from the user. If the two legs are swapped, the outlet will face the user, increasing the risk of the user's legs snagging on the power cord or kicking the connection point. In other words, the existing adjustable table leg structure requires assemblers to ensure correct leg placement, causing inconvenience and reducing the user experience. Utility Model Content

[0004] To address the shortcomings and deficiencies of the existing technology, this utility model provides a height-adjustable table leg for an electric height-adjustable desk and an electric height-adjustable desk. It can protect the connection end of the power cord and the outlet port, preventing the user's legs from colliding with the connection between the outlet port and the power cord. It also eliminates the need to pay attention to the installation position during assembly, making assembly convenient and improving the user experience.

[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0006] The electric height-adjustable desk uses a height-adjustable table leg, which includes a first height-adjustable column and a first foot installed at the bottom of the first height-adjustable column. The first height-adjustable column includes a sleeve assembly, a transmission assembly for driving the sleeve assembly to extend and retract, and a cable axially passing through the sleeve assembly. The sleeve assembly has a cable outlet, and the cable is connected to an external power cord through the cable outlet. The first foot has a cavity, and the cavity has a side opening that is open on one side in the width direction of the first foot. The bottom of the sleeve assembly is inserted into the cavity, and the cable outlet is located in the cavity and is located on the side of the sleeve assembly facing the side opening.

[0007] In the above-mentioned electric height-adjustable table legs, the first foot includes a first straight segment, a U-shaped bend segment, and a second straight segment connected sequentially along its length. The first straight segment and the second straight segment are respectively connected to the two ends of the U-shaped bend segment, and the U-shaped bend segment forms the concave cavity.

[0008] In the aforementioned electric height-adjustable table legs, the first foot also includes a connecting plate fixed to the bottom of the U-shaped bend section, and the sleeve assembly is supported on the connecting plate and fixedly connected to the connecting plate.

[0009] In the aforementioned electric height-adjustable table legs, the height-adjustable table legs also include a decorative cover for covering the side opening. The portion of the recess located between the sleeve assembly and the decorative cover forms a storage cavity for storing part of the power cord. The decorative cover is provided with an outlet hole for the power cord to pass through.

[0010] In the aforementioned electric height-adjustable table legs, the recessed cavity has a top opening through which the sleeve assembly passes, the decorative cover includes a side plate for covering the side opening and a top plate for covering part of the top opening, and the cable outlet is a notch located at the bottom of the side plate.

[0011] In the aforementioned electric height-adjustable table legs, the decorative cover is inserted into the recessed cavity and is interference-fitted with the cavity.

[0012] In the aforementioned electric height-adjustable table legs, the cable outlet is an interface, the cable is electrically connected to the interface, and one end of the power cord is provided with a first plug that is inserted into the interface, the first plug being located in a recessed cavity; or, the cable outlet is a through hole, and one end of the power cord passes through the cable outlet and is integrally connected to the cable.

[0013] In addition, this utility model also discloses an electric height-adjustable table, including a tabletop and a first height-adjustable table leg and a second height-adjustable table leg spaced apart along the left and right directions of the tabletop. The first height-adjustable table leg adopts the height-adjustable table leg described in any of the above technical solutions, and the first foot extends along the front and rear directions of the tabletop.

[0014] In the aforementioned electric lifting table, the side opening is positioned to face the second lifting table leg.

[0015] In the aforementioned electric height-adjustable desk, the second height-adjustable desk leg includes a second height-adjustable column and a second foot installed at the bottom of the second height-adjustable column. The second foot and the first foot have the same structure.

[0016] By adopting the above technical solution, this utility model has the following advantages:

[0017] 1. In this utility model, after the lifting table legs and tabletop are assembled, the length of the first foot extends along the front-to-back direction of the tabletop. The recessed cavity has a side opening that opens on one side of the width direction of the first foot, and the cable outlet is located within the recessed cavity and on the side of the sleeve assembly facing the side opening. Therefore, after the lifting table legs and tabletop are assembled, the side opening can be made to open towards the left or right side of the tabletop. The power cord can be led out through the side opening and extended backward to connect to an external power source. Since the cable outlet is located within the recessed cavity, the cavity provides shielding protection for the cable outlet, preventing the user's legs from colliding with the connection between the cable outlet and the power cord. Furthermore, because the cable outlet is located on the side of the sleeve assembly facing the side opening, This design allows users to easily connect the power cord to the outlet via the side opening, reducing assembly difficulty. Secondly, it conceals the cable within the sleeve assembly, preventing it from protruding and causing a mess during extension and retraction, thus avoiding cable snagging. Finally, even if the positions of the left and right lifting legs are interchanged, the power cord will still exit from the left or right side of the sleeve assembly, rather than from the front. This means that when assembling the lifting legs, regardless of whether they are installed on the left or right side of the tabletop, the power cord will not exit from the front of the sleeve assembly. Therefore, there is no need to worry about whether the lifting legs are installed on the left or right side of the tabletop; simply ensuring they are close to an external power source is sufficient. This simplifies assembly and improves the user experience.

[0018] 2. The first foot includes a first straight segment, a U-shaped bend segment, and a second straight segment connected sequentially along its length. The first and second straight segments are respectively connected to the two ends of the U-shaped bend segment, which forms a concave cavity. With this design, the aforementioned concave cavity can be formed by bending the first foot, thereby reducing the processing difficulty of the first foot.

[0019] 3. The first foot also includes a connecting plate fixed to the bottom of the U-shaped bend section. The sleeve assembly is supported on the connecting plate and fixedly connected to it. This design, by supporting the sleeve assembly with the connecting plate, limits the insertion depth of the sleeve assembly into the recess, ensuring that the outlet is located inside the recess and preventing the outlet from being outside the recess due to excessive insertion. In addition, the connecting plate also serves to connect the sleeve assembly to the first foot, achieving a dual function and simplifying the structure of the first foot.

[0020] 4. The height-adjustable table legs also include a decorative cover to conceal the side opening. The portion of the recessed cavity between the sleeve assembly and the decorative cover forms a storage cavity for storing part of the power cord. The decorative cover has a cable exit hole for the power cord to pass through. This design allows excess power cord length to be stored in the storage cavity, reducing the length of the power cord exposed from the cable exit hole to the external power source, thereby reducing the probability of the user's legs getting caught on the power cord.

[0021] 5. The recess has a top opening through which the sleeve assembly passes. The decorative cover includes a side plate for covering the side opening and a top plate for covering part of the top opening. The cable outlet is a notch located at the bottom of the side plate. This design not only prevents dust from entering the recess through the cover, but also hides part of the power cord, improving the appearance of the height-adjustable table legs. The cable outlet, located at the bottom of the side plate, facilitates the processing of the cable outlet and allows the power cord to extend from the bottom of the side plate to connect to an external power source, further reducing the risk of the user's legs getting caught on the power cord.

[0022] 6. The decorative cover is inserted into the recessed cavity and fits the cavity with an interference fit. This design facilitates the installation and removal of the decorative cover and eliminates the need for other structures to connect the decorative cover, thereby further simplifying the structure of the lifting table legs.

[0023] 7. The outlet is an interface, and the cable is electrically connected to the interface. One end of the power cord is provided with a first plug that is plugged into the interface. The first plug is located in a recess. This design can protect the first plug by shielding it from the user's feet, preventing the first plug from detaching from the interface. Alternatively, the outlet is a through hole, and one end of the power cord passes through the outlet and is integrated with the cable. This design simplifies the connection structure of the power cord and the cable, further reducing manufacturing costs.

[0024] 8. An electric height-adjustable desk includes a tabletop and first and second height-adjustable legs spaced apart along the left and right sides of the tabletop. The first height-adjustable leg is the aforementioned height-adjustable leg, and the first foot extends along the front-back direction of the tabletop. This design, using the height-adjustable legs of this invention, eliminates the need for the assembler to pay attention to whether the height-adjustable legs are installed on the left or right side of the tabletop during assembly; they only need to be close to an external power source. This simplifies assembly and improves the user experience.

[0025] 9. The side opening faces the second height-adjustable table leg. This design allows for convenient adjustment of the power cord using the space between the first and second height-adjustable table legs, thus improving the user experience, as there is sufficient space under the tabletop between them.

[0026] 10. The second lifting table leg includes a second lifting column and a second base installed at the bottom of the second lifting column. The second base has the same structure as the first base. This design eliminates the need to distinguish between the first and second bases during assembly, thus reducing the difficulty for the assembler. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the lifting table legs in Embodiment 1 of this utility model;

[0028] Figure 2 This is a schematic diagram of the structure of the first foot in Embodiment 1 of this utility model;

[0029] Figure 3 This is a schematic diagram of the structure of the electric height-adjustable table in Embodiment 2 of this utility model. Figure 1 ;

[0030] Figure 4 This is a schematic diagram of the structure of the electric height-adjustable table in Embodiment 2 of this utility model. Figure 2 .

[0031] Icon labels:

[0032] 100. Lifting table leg; 110. First lifting column; 111. Sleeve assembly; 1111. Inner tube; 1112. Middle tube; 1113. Outer tube; 120. First foot; 121. Cavity; 1210. Side opening; 1211. Top opening; 122. First straight section; 123. U-shaped bend section; 124. Second straight section; 125. Connecting plate; 130. Power cord; 131. First plug; 140. Motor box; 150. Decorative cover; 151. Cable outlet; 152. Side panel; 153. Top panel; 200. Tabletop; 300. Second lifting table leg; 310. Second lifting column; 320. Second foot. Detailed Implementation

[0033] This utility model provides a lifting table leg for an electric height-adjustable desk, including a first lifting column and a first foot installed at the bottom of the first lifting column. The first lifting column includes a sleeve assembly, a transmission assembly for driving the sleeve assembly to extend and retract, and a cable axially passing through the sleeve assembly. The sleeve assembly has a cable outlet, and the cable is connected to an external power cord through the cable outlet. The first foot has a cavity, and the cavity has a side opening that is open on one side in the width direction of the first foot. The bottom of the sleeve assembly is inserted into the cavity, and the cable outlet is located in the cavity and is located on the side of the sleeve assembly facing the side opening.

[0034] In this invention, after the lifting table legs and tabletop are assembled, the length of the first foot extends along the front-to-back direction of the tabletop. The recessed cavity has a side opening on one side of the width direction of the first foot, and the cable outlet is located within the recessed cavity on the side of the sleeve assembly facing the side opening. Therefore, after the lifting table legs and tabletop are assembled, the side opening can be open to the left or right side of the tabletop. The power cord can be led out through the side opening and extended backward to connect to an external power source. Since the cable outlet is located within the recessed cavity, the cavity provides shielding protection for the connection between the power cord and the outlet, preventing the user's legs from colliding with the connection between the outlet and the power cord. Furthermore, because the cable outlet is located on the side of the sleeve assembly facing the side opening, therefore... The design allows users to easily connect the power cord to the outlet via the side opening, reducing assembly difficulty. Secondly, the cable can be concealed within the sleeve assembly, preventing it from protruding and causing a mess during extension and retraction, thus avoiding cable snagging. Finally, even if the positions of the left and right lifting legs are interchanged, the power cord will always exit from the left or right side of the sleeve assembly, rather than from the front. This means that when assembling the lifting legs, regardless of whether they are installed on the left or right side of the tabletop, the power cord will not exit from the front of the sleeve assembly. Therefore, there is no need to worry about whether the lifting legs are installed on the left or right side of the tabletop; simply ensuring they are close to an external power source is sufficient. This simplifies assembly and improves the user experience.

[0035] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," and "bottom," etc., which indicate orientation or positional relationship, are based solely on the orientation or positional relationship shown in the accompanying drawings and are used only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device / component referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0036] Example 1

[0037] Combination Figures 1 to 2As shown, the electric height-adjustable desk leg 100 of this utility model includes a first height-adjustable column 110 and a first foot 120 installed at the bottom of the first height-adjustable column 110. The first height-adjustable column 110 includes a sleeve assembly 111, a transmission assembly (not shown in the figure) for driving the sleeve assembly 111 to extend and retract, and a cable (not shown in the figure) axially passing through the sleeve assembly 111. The sleeve assembly 111 is provided with a cable outlet, and the cable is connected to an external power cord 130 through the cable outlet. The first foot 120 has a cavity 121, and the cavity 121 is provided with a side opening 1210 that is open on one side in the width direction of the first foot 120. The bottom of the sleeve assembly 111 is inserted into the cavity 121, and the cable outlet is located in the cavity 121 and is provided on the side of the sleeve assembly 111 facing the side opening 1210.

[0038] In this embodiment, after the lifting table leg 100 is assembled with the tabletop, the length of the first foot 120 extends along the front-rear direction of the tabletop. Additionally, the cavity 121 has a side opening 1210 that opens on one side of the width direction of the first foot 120, and the cable outlet is located within the cavity 121 and on the side of the sleeve assembly 111 facing the side opening 1210. Therefore, after the lifting table leg 100 is assembled with the tabletop, the side opening 1210 can be opened to the left or right side of the tabletop. The power cord 130 can be led out through the side opening 1210 and extended rearward to connect to an external power source. Since the cable outlet is located within the cavity 121, the cavity 121 provides shielding protection for the cable outlet, protecting the connection between the power cord 130 and the cable outlet and preventing the user's legs from colliding with the connection between the cable outlet and the power cord 130. Furthermore, since the cable outlet is located within the sleeve assembly 111... The side facing the side opening 1210 allows users to easily connect the power cord 130 to the outlet via the side opening 1210, reducing assembly difficulty. Secondly, the cable can be hidden inside the sleeve assembly 111, preventing the cable from being exposed outside the sleeve assembly 111 during extension and retraction, thus avoiding tangling and preventing users from snagging the cable. Finally, even if the positions of the left and right lifting table legs are interchanged, the power cord 130 will still be led out from the left or right side of the sleeve assembly 111, rather than from the front. That is, when assembling the lifting table legs of this embodiment, regardless of whether they are installed on the left or right side of the tabletop, the power cord 130 will not be led out from the front of the sleeve assembly 111. Therefore, during assembly, there is no need to pay attention to whether the lifting table legs are installed on the left or right side of the tabletop, as long as they are close to the external power source, which facilitates assembly and improves the user experience.

[0039] In this embodiment, the specific structure of the first lifting column 110 can be referenced from the prior art CN221599451U, that is, the cable is spiral-shaped. When the first lifting column 110 extends, the pitch of the cable increases to lengthen the whole; when the first lifting column 110 shortens, the pitch of the cable decreases to retract the whole. Therefore, the cable will extend and retract with the extension and retraction of the first lifting column 110.

[0040] The sleeve assembly 111 in this embodiment includes an inner tube 1111, a middle tube 1112, and an outer tube 1113, which are sequentially sleeved from the inside out. Unlike the prior art CN221599451U, in this embodiment, the bottom of the inner tube 1111 is inserted into the cavity 121, and the outer tube 1113 is fixedly connected to the motor box 140 at the top. The motor box is fixed to the tabletop, and the upper end of the cable is led out through the motor box to connect to the controller. The bottom of the inner tube 1111 has the aforementioned cable outlet, which is an interface connected to a terminal block. The cable is located in the inner tube 1111 and electrically connected to the lower end of the cable, thus realizing the electrical connection between the cable and the interface. The inner tube 1111 is also equipped with an overload protection structure, which is electrically connected to the terminal of the live wire. When the current exceeds the limit value, the overload protection structure will automatically trip and cut off the circuit to prevent the wire from being burned due to overload. This effectively reduces the occurrence of equipment damage and threats to personal safety caused by short circuits, protects the lifting column from damage by overload current, and ensures the safety of the product during use. In this embodiment, one end of the power cord 130 is equipped with a first plug 131, which is plugged into the interface to realize the electrical connection.

[0041] Preferably, in this embodiment, the first plug 131 is located inside the cavity 121. This design allows the first plug 131 to be shielded and protected by the cavity 121, preventing the user's legs from bumping into the first plug 131 and causing it to detach from the interface.

[0042] Furthermore, in this embodiment, the first foot 120 includes a first straight segment 122, a U-shaped bend segment 123, and a second straight segment 124 connected sequentially along its length. The first straight segment 122 and the second straight segment 124 are respectively connected to the two ends of the U-shaped bend segment 123. The U-shaped bend segment 123 forms an open cavity 121. With this design, the cavity 121 can be formed by bending the first foot 120, thereby reducing the processing difficulty of the first foot 120.

[0043] To connect the first foot 120 to the first lifting column 110, in this embodiment, the first foot 120 also includes a connecting plate 125. The connecting plate 125 is fixed to the bottom of the U-shaped bending section 123 by screws or welding. The inner tube 1111 is supported on the connecting plate 125, and the connecting plate 125 is fixedly connected to the bottom plate of the sleeve assembly 111 by screws, so as to achieve a fixed connection between the sleeve assembly 111 and the first foot 120. With this design, the connecting plate 125 supports the sleeve assembly 111, which can limit the depth of the bottom of the sleeve assembly 111 inserted into the cavity 121, so as to ensure that the outlet is located inside the cavity 121, thereby avoiding the outlet being located outside the cavity 121 due to excessive insertion. In addition, the connecting plate 125 can also serve to connect the sleeve assembly 111 and the first foot 120, thus serving a dual purpose and simplifying the structure of the first foot 120.

[0044] Furthermore, the height-adjustable table leg in this embodiment also includes a decorative cover 150 for concealing the side opening 1210. The portion of the cavity 121 located between the sleeve assembly 111 and the decorative cover 150 forms a storage cavity for storing part of the power cord 130. The decorative cover 150 is provided with a cable outlet hole 151 through which the power cord 130 passes. This design allows excess length of the power cord 130 to be stored in the storage cavity, reducing the length of the power cord 130 exposed from the cable outlet hole 151 to the external power source, thereby reducing the probability of the user's legs getting caught on the power cord 130.

[0045] In this embodiment, the cavity 121 has a top opening 1211 through which the sleeve assembly 111 passes. The top opening 1211 is formed at the top of the U-shaped bend 123. The dimension of the top opening 1211 in the length direction of the first foot 120 is adapted to the dimension of the inner tube 1111 in the length direction of the first foot 120, while the dimension of the top opening 1211 in the width direction of the first foot 120 is larger than the dimension of the inner tube 1111 in the width direction of the first foot 120, so that the side opening 1210 and the inner tube... There is a gap between 1111 that is larger than the size of the first plug 131. The decorative cover 150 includes an integrally formed side plate 152 and a top plate 153. The side plate 152 extends vertically to cover the side opening 1210, and the top plate 153 extends horizontally to cover the part of the top opening 1211 that is not penetrated by the sleeve assembly 111. This allows the part of the cavity 121 located between the decorative cover 150 and the sleeve assembly 111 to form a storage cavity. The cable outlet 151 is a notch located at the bottom of the side plate 152. This design can prevent dust from entering the cavity 121 through the cover 150, and can also hide part of the power cord to improve the appearance of the height-adjustable table legs. The cable outlet 151 is a notch located at the bottom of the side plate 152, which can facilitate the processing of the cable outlet 151 and allow the power cord to be led out from the bottom of the side plate 152 and extended to the rear to connect to the external power source, thereby further reducing the risk of the user's legs getting caught on the power cord.

[0046] It is understood that in other embodiments of this utility model, the wire outlet hole may also be provided on the top plate or as a through hole provided on the side plate.

[0047] Preferably, in this embodiment, the decorative cover 150 is inserted into the recess 121 and is interference-fitted with the recess 121. This design facilitates the installation and removal of the decorative cover 150 and eliminates the need for other structures to connect the decorative cover 150, thereby further simplifying the structure of the lifting table leg. In addition, by removing the decorative cover 150, the interface can be fully exposed, making it convenient for the user to observe and connect the first plug 131 to the interface.

[0048] It is understood that in other embodiments of this utility model, the decorative cover may also be hinged to the first foot, and the side opening and top opening may be opened or closed by flipping the decorative cover.

[0049] It is understood that in other embodiments of this utility model, the outlet is a through hole, and one end of the power cord passes through the outlet and is integrally connected with the cable. This design simplifies the connection structure of the power cord and the cable, further reducing manufacturing costs.

[0050] It is understood that in other embodiments of this utility model, the width of the first foot is greater than the width of the lifting column. The first foot includes a base and a cover plate that covers the base. The top of the cover plate is provided with a through hole for the sleeve assembly to pass through. The left or right side of the cover plate is provided with a side opening so that the cover plate and the base form the above-mentioned cavity. The through hole is located at the top of the cavity.

[0051] It is understood that in other embodiments of this utility model, the sleeve assembly is inverted so that the outer tube is inserted into the cavity, the outlet is located at the bottom of the outer tube, and the inner tube is fixedly connected to the motor box.

[0052] Example 2

[0053] Combination Figure 3 and Figure 4 As shown, this embodiment also discloses an electric height-adjustable desk, including a tabletop 200 and first and second height-adjustable table legs 300 spaced apart along the left and right directions of the tabletop 200. The left and right directions refer to the position on the user's left when using the electric height-adjustable desk; the left leg is the one located on the user's left side, and the right leg is the one located on the user's right side. The first height-adjustable table leg is the aforementioned height-adjustable table leg 100. The first foot 120 extends along the front-back direction of the tabletop 200. The motor box 140 extends along the left and right directions of the tabletop and connects to the first height-adjustable column 110 to form an inverted L-shaped structure. With this design, by adopting the height-adjustable table legs described in Embodiment 1, the assembler does not need to pay attention to whether the first height-adjustable table leg is installed on the left or right side of the tabletop 200 during assembly; as long as it is close to an external power source, assembly is convenient and the user experience is improved.

[0054] In this embodiment, after the first lifting table leg and tabletop 200 are assembled, the side opening 1210 is open towards the second lifting table leg 300. This design allows for sufficient space between the first and second lifting table legs 300 below the tabletop 200, thus enabling the user to easily adjust the power cord 130 using the space between the two legs, thereby improving the user experience.

[0055] Finally, in this embodiment, the second lifting table leg 300 includes a second lifting column 310 and a second foot 320 installed at the bottom of the second lifting column 310. The structure of the second lifting column 310 differs from that of the first lifting column 110 only in that it does not have internal cables; the rest of the structure is the same as that of the first lifting column 110 and will not be described in detail here. The second foot 320 and the first foot 120 have the same structure. With this design, there is no need to distinguish between the first foot 120 and the second foot 320 during assembly, thereby reducing the difficulty for the assembler.

[0056] It is understood that in other embodiments of this utility model, the side opening may also be set to face away from the side of the second lifting table leg.

[0057] It is understood that in other embodiments of this utility model, the second foot may adopt an existing straight foot structure.

[0058] In addition to the preferred embodiments described above, there are other embodiments of this utility model. Those skilled in the art can make various changes and modifications based on this utility model. As long as they do not depart from the spirit of this utility model, they should all fall within the scope defined in the claims of this utility model.

Claims

1. A height-adjustable table leg for an electric height-adjustable desk, comprising a first height-adjustable column and a first foot mounted at the bottom of the first height-adjustable column, the first height-adjustable column comprising a sleeve assembly, a transmission assembly for driving the sleeve assembly to extend and retract, and a cable axially passing through the sleeve assembly, the sleeve assembly having a cable outlet, the cable being connected to an external power cord through the cable outlet, characterized in that, The first foot has a cavity with a side opening that is open on one side in the width direction of the first foot. The bottom of the sleeve assembly is inserted into the cavity, and the outlet is located in the cavity and is located on the side of the sleeve assembly facing the side opening.

2. The lifting table legs for an electric height-adjustable desk as described in claim 1, characterized in that, The first foot includes a first straight segment, a U-shaped bend segment, and a second straight segment connected sequentially along its length. The first straight segment and the second straight segment are respectively connected to the two ends of the U-shaped bend segment, and the U-shaped bend segment forms the concave cavity.

3. The lifting table legs for an electric height-adjustable desk as described in claim 2, characterized in that, The first foot also includes a connecting plate fixed to the bottom of the U-shaped bend section, and the sleeve assembly is supported on the connecting plate and fixedly connected to the connecting plate.

4. The lifting table legs for an electric height-adjustable desk as described in claim 1, characterized in that, The lifting table leg also includes a decorative cover for covering the side opening. The portion of the cavity located between the sleeve assembly and the decorative cover forms a storage cavity for storing part of the power cord. The decorative cover is provided with a cable outlet hole for the power cord to pass through.

5. The lifting table legs for an electric height-adjustable desk as described in claim 4, characterized in that, The cavity has a top opening through which the sleeve assembly passes, the decorative cover includes a side plate for covering the side opening and a top plate for covering part of the top opening, and the cable outlet is a notch located at the bottom of the side plate.

6. The lifting table legs for an electric height-adjustable desk as described in claim 4, characterized in that, The decorative cover is inserted into the recessed cavity and is interference-fitted with the cavity.

7. The lifting table legs for an electric height-adjustable desk as described in claim 1, characterized in that, The outlet is an interface, the cable is electrically connected to the interface, and one end of the power cord is provided with a first plug that is plugged into the interface, the first plug being located in a recessed cavity; or, the outlet is a through hole, and one end of the power cord passes through the outlet and is integrally connected to the cable.

8. An electric height-adjustable desk, comprising a desk panel and first and second height-adjustable desk legs spaced apart along the left and right sides of the desk panel, characterized in that, The first lifting table leg is the lifting table leg as described in any one of claims 1 to 7, and the first foot extends along the front-back direction of the tabletop.

9. The electric height-adjustable desk as described in claim 8, characterized in that, The side opening is positioned to face the second lifting table leg.

10. The electric height-adjustable desk as described in claim 8, characterized in that, The second lifting table leg includes a second lifting column and a second base installed at the bottom of the second lifting column. The second base has the same structure as the first base.

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