A combination lift table
Patent Information
- Application Number
- CN202521831993.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-27
- Publication Date
- 2026-09-04
- Estimated Expiration
- 2035-08-27
AI Technical Summary
[0004]本实用新型解决的问题是现有升降桌不便于灵活安装副桌,副桌只能固定于桌腿较低位置且安装位置单一
[0006] The technical effects achieved by adopting this solution are as follows: The main table can be separated from the support frame via the lifting assembly and raised and lowered independently without affecting the connection status of the secondary table, thus facilitating adaptation to different height requirements; the secondary table adopts a detachable connection, improving assembly and disassembly efficiency and facilitating independent use of the main table and the secondary table; the secondary table can be detachably connected to the support frame at different positions, making it easy to adapt to the usage requirements of the combined height-adjustable table in different spaces, such as connecting the secondary table to one end of the crossbeam to form an L-shaped desktop structure, or connecting it to the frame to form an extended straight structure, making the usage scenarios more flexible.
Smart Images

Figure CN224710703U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of height-adjustable desks, and more specifically, to a combination height-adjustable desk. Background Technology
[0002] With the widespread adoption and application of height-adjustable desks, people have increasingly higher demands for their functionality. Utilizing their height adjustment feature, height-adjustable desks can meet the health-conscious work needs of people of different heights, allowing them to alternate between standing and sitting while working. Therefore, more and more office workers are choosing height-adjustable desks for their work.
[0003] To adapt to different office spaces or accommodate more office equipment, existing desks are often augmented with side desks. However, when using a height-adjustable desk, the need to raise and lower the desktop and extend and retract the legs makes it difficult to flexibly install the side desk. The side desk can only be fixed at the lower part of the legs, and the installation location is limited. Utility Model Content
[0004] The problem solved by this utility model is that existing height-adjustable desks are not convenient for flexibly installing a secondary desk, and the secondary desk can only be fixed at the lower position of the desk legs and the installation position is limited.
[0005] To solve the above problems, this utility model provides a combined height-adjustable desk, which includes a main desk and a secondary desk (140); the main desk includes a main tabletop, a lifting assembly, and a support frame; the support frame includes a crossbeam and a frame connecting the two ends of the crossbeam; the lifting assembly connects the frame and the main tabletop and is used to control the lifting of the main tabletop relative to the support frame; the secondary desk is detachably connected to the support frame.
[0006] The technical effects achieved by adopting this solution are as follows: The main table can be separated from the support frame via the lifting assembly and raised and lowered independently without affecting the connection status of the secondary table, thus facilitating adaptation to different height requirements; the secondary table adopts a detachable connection, improving assembly and disassembly efficiency and facilitating independent use of the main table and the secondary table; the secondary table can be detachably connected to the support frame at different positions, making it easy to adapt to the usage requirements of the combined height-adjustable table in different spaces, such as connecting the secondary table to one end of the crossbeam to form an L-shaped desktop structure, or connecting it to the frame to form an extended straight structure, making the usage scenarios more flexible.
[0007] Furthermore, the lifting assembly includes: a movable housing and a lifting assembly base; the movable housing is connected to the tabletop, the lifting assembly base is connected to the frame, and the movable housing is capable of lifting relative to the lifting assembly base; wherein, the space between the two opposing frames is the table bottom space, and the side of the movable housing near the table bottom space is flush with the side of the frame near the table bottom space.
[0008] The technical effects achieved by adopting this technical solution are as follows: the lifting component base supports and positions the movable shell, enabling the movable shell to be raised and lowered stably; the side of the movable shell closest to the space under the table is flush with the side of the frame closest to the space under the table, so that the movable shell and the lifting component base can be concealed by the frame from the front and rear views, making the appearance more aesthetically pleasing and less obtrusive; and the flush alignment allows the movable shell and the lifting component base to obtain the maximum width, thereby improving the stability of the support.
[0009] Furthermore, the main table also includes a reinforcing member connected within the frame; between the two opposing frames is a table bottom space, the lifting assembly is located on the side of the reinforcing member near the table bottom space, and the end of the lifting assembly away from the main tabletop is connected to the bottom of the frame.
[0010] The technical effects achieved by adopting this technical solution are as follows: the reinforcing component is used to improve the strength of the frame and prevent the two uprights of the frame from tilting; both the reinforcing component and the lifting assembly are set inside the frame, making the structure more compact, and the reinforcing component also protects the lifting assembly, preventing foreign objects from hitting the lifting assembly on the side of the reinforcing component away from the space under the table, thereby improving safety.
[0011] Furthermore, the secondary table includes: a secondary tabletop and a secondary table support; the secondary tabletop is installed on the secondary table support, and the secondary table support is detachably connected to the crossbeam or the secondary table support is detachably connected to the frame.
[0012] The technical effect achieved by adopting this technical solution is that the auxiliary table is connected to the crossbeam or frame of the main table through the auxiliary table bracket, which can effectively improve the installation strength of the auxiliary table.
[0013] Furthermore, the main tabletop extends at least partially from the side of the support frame; the secondary table bracket extends at least partially from the secondary tabletop, and a clearance space is formed above the secondary table bracket corresponding to the edge of the secondary tabletop, the clearance space being used to avoid the edge of the main tabletop.
[0014] The technical effects achieved by adopting this technical solution are as follows: the main tabletop extends out of the support frame, which allows for more space below the edge of the main tabletop, giving users more room to move around and a better experience when using the main tabletop; the upper part of the secondary table support avoids the edge of the main tabletop, allowing the edge of the main tabletop to partially overlap the upper part of the secondary table support, facilitating the connection between the main tabletop and the secondary tabletop.
[0015] Furthermore, the crossbeam or the frame is provided with at least one first fixing hole, and the sub-table bracket is provided with at least one second fixing hole. The first fixing hole and the second fixing hole are used to install fasteners for connection.
[0016] The technical effects achieved by adopting this technical solution are as follows: Fasteners can be used to quickly connect the crossbeam and the sub-table support, or the frame and the sub-table support, resulting in higher installation efficiency and ensuring stable surface contact between the sub-table support and the support frame, thereby improving the stability of the sub-table.
[0017] Furthermore, the secondary table includes: secondary table legs, the secondary table legs being connected to the end of the secondary table bracket away from the support frame.
[0018] The technical effects achieved by adopting this solution are as follows: one end of the secondary table is supported by the secondary table legs, and the other end is supported by connecting to the main table. Therefore, there is no need to set an additional secondary table leg on the other end, saving materials. Furthermore, the space under the table between the secondary table and the main table is not blocked by the secondary table legs, giving users more freedom when using the main table and the secondary table.
[0019] Furthermore, the support frame also includes: a base plate, the base plate being connected to a crossbeam, the base plate forming a driving space with the main tabletop, the base plate having a transmission opening through the movable housing; the lifting assembly also includes: a driving device, the driving device being disposed in the driving space and used to drive the movable housing to lift.
[0020] The technical effect achieved by adopting this technical solution is as follows: the drive device drives the movable shell to rise and fall, and the movable shell can extend more from the transmission opening, thereby lifting the main table and realizing the raising and lowering of the main table.
[0021] Furthermore, the lifting assembly also includes a lead screw and a lead screw nut, the lead screw nut being disposed on the base of the lifting assembly; the lead screw and the lead screw nut cooperate and are connected to the driving device for transmission.
[0022] The technical effect achieved by adopting this technical solution is as follows: the height position of the lead screw nut is fixed by the lifting component base, the drive device drives the lead screw to rotate, and the thread of the lead screw rotates relative to the thread of the lead screw nut to limit the lifting and lowering of the lead screw, thereby controlling the stable lifting and lowering of the movable shell and the main table.
[0023] Furthermore, the driving device includes a gearbox, a transmission rod, and a drive motor. The lead screw and the transmission rod are connected by transmission through the gearbox. The drive motor is used to control the rotation of the transmission rod. The movable housing is connected to the outer shell of the gearbox.
[0024] The technical effect achieved by adopting this technical solution is as follows: the drive motor controls the rotation of the transmission rod, the transmission rod controls the rotation of the lead screw through the gearbox, and the lead screw can be raised and lowered relative to the lead screw nut, thereby realizing the raising and lowering of the movable shell and the main table.
[0025] In summary, the above-mentioned technical solutions of this application can have one or more of the following advantages or beneficial effects: i) The main table can be separated from the support frame through the lifting component and raised and lowered independently without affecting the connection status of the secondary table, thus facilitating the adaptation to different height usage needs; ii) The secondary table adopts a detachable connection form, which improves the disassembly and assembly efficiency and facilitates the independent use of the main table and the secondary table; iii) The secondary table can be detachably connected to the support frame at different positions, which facilitates the adaptation to the usage needs of the combined lifting table in different spaces. For example, the secondary table can be connected to one end of the crossbeam to form an L-shaped desktop structure, or connected to the frame to form an extended straight structure, making the usage scenarios more flexible; iv) The inner side of the movable shell is flush with the inner side of the frame, and the movable shell and the base of the lifting component can be covered by the frame from the front and rear perspectives, making the appearance more beautiful and not obtrusive. Attached Figure Description
[0026] Figure 1 A schematic diagram of the structure of a combined height-adjustable table provided by this utility model; Figure 2 A structural diagram of the main table; Figure 3 A schematic diagram of the internal structure of the main table; Figure 4 for Figure 3 A magnified view of a portion of region I; Figure 5 This is a structural schematic diagram of the lifting assembly; Figure 6 This is a schematic diagram of the drive device. Figure 7 This is a schematic diagram of the lead screw structure; Figure 8 for Figure 7 A magnified view of a portion of region II; Figure 9 This is a structural diagram of the side table.
[0027] Explanation of reference numerals in the attached figures: 100 - Combined height-adjustable desk; 110 - Main tabletop; 120 - Lifting assembly; 121 - Movable housing; 122 - Lifting assembly base; 123 - Lead screw; 124 - Lead screw nut; 130 - Support frame; 131 - Crossbeam; 1311 - First fixing hole; 132 - Frame; 133 - Base plate; 140 - Side table; 141 - Side tabletop; 142 - Side table bracket; 1421 - Second fixing hole; 143 - Clearance space; 144 - Side table leg; 145 - Side table drawer; 146 - Side table mounting piece; 150 - Reinforcing member; 160 - Drive device; 161 - Gearbox; 1611 - First helical gear; 1612 - Second helical gear; 162 - Transmission rod; 163 - Drive motor. Detailed Implementation
[0028] The purpose of this utility model is to provide a combined height-adjustable table, in which the main table can be raised and lowered independently relative to the auxiliary table, and the installation positions of the auxiliary table and the main table are more efficient.
[0029] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0030] See Figures 1-9 This utility model provides a combined height-adjustable table 100, which includes a main table and a secondary table 140. The main table includes a main tabletop 110, a lifting assembly 120, and a support frame 130. The support frame 130 includes a crossbeam 131 and a frame 132 connecting the two ends of the crossbeam 131. The lifting assembly 120 connects the frame 132 and the main tabletop 110 and is used to control the lifting of the main tabletop 110 relative to the support frame 130. The secondary table 140 is detachably connected to the support frame 130.
[0031] In this embodiment, see Figures 2-3 The diagram shows the structure of the main table. The main tabletop 110 can be separated from the support frame 130 via the lifting assembly 120 and raised and lowered independently without affecting the connection status of the secondary table 140, thus facilitating adaptation to different height requirements. The secondary table 140 adopts a detachable connection, improving assembly and disassembly efficiency and facilitating independent use of the main table and the secondary table 140. The secondary table 140 can be detachably connected to the support frame 130 at different positions, making it easy to adapt to the usage requirements of the combined lifting table 100 in different spaces. For example, the secondary table 140 can be connected to one end of the crossbeam 131 to form an L-shaped desktop structure, or connected to the frame 132 to form an extended straight structure, making the usage scenarios more flexible.
[0032] In one specific embodiment, combined with Figure 5 The lifting assembly 120 includes: a movable housing 121 and a lifting assembly base 122; the movable housing 121 is connected to the tabletop, and the lifting assembly base 122 is connected to the frame 132; the movable housing 121 can be raised and lowered relative to the lifting assembly base 122; wherein, the space between the two opposing frames 132 is the table bottom space, and the side of the movable housing 121 near the table bottom space is flush with the side of the frame 132 near the table bottom space.
[0033] It should be noted that the lifting component base 122 supports and positions the movable housing 121, enabling the movable housing 121 to be raised and lowered stably. The side of the movable housing 121 closest to the space under the table is flush with the side of the frame 132 closest to the space under the table. From the front and rear views, the movable housing 121 and the lifting component base 122 can be concealed by the frame 132, making the appearance more aesthetically pleasing and less obtrusive. Furthermore, the flush alignment allows the movable housing 121 and the lifting component base 122 to achieve their maximum width, thereby improving the stability of the support.
[0034] Preferably, the movable housing 121 and the lifting component base 122 are tubularly connected, with the movable housing 121 sleeved on the outside of the lifting component base 122. The tubular connection enables mutual positioning and relative lifting. The movable housing 121 and the lifting component base 122 can be square or round tubes; no limitation is made here.
[0035] In one specific embodiment, see Figure 1 The main table also includes a reinforcing member 150, which is connected to the frame 132. The space between the two opposing frames 132 is the bottom space of the table. The lifting component 120 is located on the side of the reinforcing member 150 near the bottom space of the table. The end of the lifting component 120 away from the main table board 110 is connected to the bottom of the frame 132.
[0036] It should be noted that the reinforcing member 150 is used to improve the strength of the frame 132 and prevent the two uprights of the frame 132 from tilting. The reinforcing member 150 and the lifting assembly 120 are both set inside the frame 132, making the structure more compact. The reinforcing member 150 also protects the lifting assembly 120, preventing foreign objects from hitting the lifting assembly 120 on the side of the reinforcing member 150 away from the space under the table, thereby improving safety.
[0037] Among them, the reinforcing member 150 is at least two inclined and intersecting reinforcing beams, or it can be a grid structure formed by multiple intersecting reinforcing beams, which is not limited here.
[0038] Preferably, the side of the reinforcing member 150 away from the space under the table is flush with the side of the frame 132 away from the space under the table. From the front and rear views, the reinforcing member 150 can be covered by the frame 132, so that it will not look abrupt.
[0039] In one specific embodiment, see Figure 1 and Figure 9 The secondary table 140 includes: a secondary tabletop 141 and a secondary table support 142; the secondary tabletop 141 is installed on the secondary table support 142, and the secondary table support 142 is detachably connected to the crossbeam 131 or the secondary table support 142 is detachably connected to the frame 132.
[0040] It should be noted that the secondary table 140 is connected to the main table's crossbeam 131 or frame 132 via the secondary table bracket 142, which can effectively improve the installation strength of the secondary table 140.
[0041] Preferably, the side table support 142 includes: a side table drawer 145 and a side table mounting component 146. The side table mounting component 146 is used to connect with the crossbeam 131 or the frame 132 of the main table, and the side table mounting component 146 is connected to the side of the side table drawer 145.
[0042] In one specific embodiment, the main tabletop 110 extends at least partially from the side of the support frame 130; the secondary table support 142 extends at least partially from the secondary tabletop 141, and a clearance 143 is formed in the area above the secondary table support 142 corresponding to the edge of the secondary tabletop 141, the clearance 143 being used to avoid the edge of the main tabletop 110.
[0043] It should be noted that the main tabletop 110 extends out of the support frame 130, which allows for more space below the edge of the main tabletop 110, providing users with more room to move around and a better experience when using the main tabletop 110. The upper part of the secondary table support 142 avoids the edge of the main tabletop 110, allowing the edge of the main tabletop 110 to partially overlap the upper part of the secondary table support 142, facilitating the connection between the main tabletop 110 and the secondary tabletop 141.
[0044] Preferably, the secondary table panel 141 covers the secondary table drawer 145 or the secondary table panel 141 extends out of the secondary table drawer 145 from all sides, and the secondary table mounting piece 146 extends out of the secondary table panel 141 from the left and right sides of the secondary table drawer 145, thereby connecting with the support frame 130.
[0045] In one specific embodiment, combined with Figures 2-3 The crossbeam 131 or the frame 132 is provided with at least one first fixing hole 1311, and the sub-table support 142 is provided with at least one second fixing hole 1421. The first fixing hole 1311 and the second fixing hole 1421 are used to install fasteners for connection.
[0046] It should be noted that fasteners can be used to quickly connect the crossbeam 131 and the sub-table bracket 142, or the frame 132 and the sub-table bracket 142, which improves the installation efficiency and ensures stable surface contact between the sub-table bracket 142 and the support frame 130, thereby improving the stability of the sub-table 140.
[0047] Preferably, the auxiliary table mounting component 146 includes: an auxiliary table 140 mounting plate and an auxiliary table 140 connecting side plate. The auxiliary table 140 mounting plate is connected to the auxiliary table 140 connecting side plate around its perimeter, and is installed to the auxiliary table drawer 145 via the auxiliary table 140 connecting side plate. The second fixing hole 1421 is located on the auxiliary table 140 mounting plate.
[0048] In one specific embodiment, see Figure 9 The secondary table 140 includes: secondary table legs 144, which are connected to the end of the secondary table support 142 away from the support frame 130.
[0049] Specifically, the side table leg 144 connects to the side of the side table drawer 145 away from the side table mounting piece 146.
[0050] It should be noted that the secondary table 140 is supported at one end by the secondary table leg 144, and at the other end by connecting to the main table. Therefore, there is no need to set an additional secondary table leg 144 at the other end, saving materials. In addition, the space under the table between the secondary table 140 and the main table is not blocked by the secondary table leg 144, giving users more freedom when using the main table and the secondary table 140.
[0051] In one specific embodiment, see Figure 3 The support frame 130 also includes: a base plate 133, which is connected to the crossbeam 131. A driving space is formed between the base plate 133 and the main table 110. The base plate 133 has a transmission opening through the movable housing 121. The lifting assembly 120 also includes: a driving device 160, which is located in the driving space and is used to drive the movable housing 121 to lift.
[0052] It should be noted that the drive device 160 drives the movable housing 121 to rise and fall, and the movable housing 121 can extend more from the transmission opening, thereby lifting the main table 110 and realizing the raising and lowering of the main table 110.
[0053] In one specific embodiment, see Figures 5-8 The lifting assembly 120 also includes a lead screw 123 and a lead screw nut 124, with the lead screw nut 124 located on the lifting assembly base 122; the lead screw 123 cooperates with the lead screw nut 124 and is connected to the drive device 160 for transmission.
[0054] It should be noted that the height position of the lead screw nut 124 is fixed by the lifting assembly base 122, and the drive device 160 drives the lead screw 123 to rotate. The thread of the lead screw 123 rotates relative to the thread of the lead screw nut 124 to control the lifting and lowering of the lead screw 123, thereby controlling the stable lifting and lowering of the movable housing 121 and the main table 110.
[0055] The lifting component base 122 can fix the lead screw nut 124 through a slot or fastener, etc., which is not limited here.
[0056] In one specific embodiment, combined with Figures 3-4 The drive unit 160 includes a gearbox 161, a transmission rod 162, and a drive motor 163. The lead screw 123 and the transmission rod 162 are connected by transmission through the gearbox 161. The drive motor 163 is used to control the rotation of the transmission rod 162. The movable housing 121 is connected to the outer shell of the gearbox 161.
[0057] It should be noted that the drive motor 163 controls the transmission rod 162 to rotate, and the transmission rod 162 controls the lead screw 123 to rotate through the gearbox 161. The lead screw 123 can be raised and lowered relative to the lead screw nut 124, thereby realizing the raising and lowering of the movable housing 121 and the main table 110.
[0058] In one specific embodiment, a drive motor 163 is located on one side of the transmission rod 162, and the drive motor 163 drives the transmission rod 162 to rotate via a worm gear. The gearbox 161 is provided with a first helical gear 1611 and a second helical gear 1612. The first helical gear 1611 is fixed to the end of the transmission rod 162, and the second helical gear 1612 is fixed to the end of the lead screw 123. The first helical gear 1611 and the second helical gear 1612 mesh, enabling the transmission rod 162 to control the rotation of the lead screw 123. The lead screw 123 is mounted to the housing of the gearbox 161 via a bearing, and the transmission rod 162 is mounted to the housing of the gearbox 161 via another bearing. When the lead screw 123 rotates relative to the fixed lead screw nut 124, it achieves its own lifting and lowering, thereby controlling the lifting and lowering of the gearbox 161 housing, the transmission rod 162, the drive motor 163, and the main table 110.
[0059] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.
Claims
1. A combination height-adjustable desk, characterized in that, The combined height-adjustable desk includes a main desk and a secondary desk (140); the main desk includes a main tabletop (110), a height-adjustable assembly (120), and a support frame (130); the support frame (130) includes a crossbeam (131) and a frame (132) connecting the two ends of the crossbeam (131). The lifting assembly (120) connects the frame (132) and the main table (110) and is used to control the lifting of the main table (110) relative to the support frame (130); The sub-table (140) is detachably connected to the support frame (130).
2. The combined height-adjustable table according to claim 1, characterized in that, The lifting assembly (120) includes: a movable housing (121) and a lifting assembly base (122); The movable housing (121) is connected to the tabletop, and the lifting component base (122) is connected to the frame (132). The movable housing (121) can be raised and lowered relative to the lifting component base (122). The space between the two opposing frame sides (132) is the table bottom space, and the side of the movable shell (121) near the table bottom space is flush with the side of the frame side (132) near the table bottom space.
3. The combined height-adjustable table according to claim 1, characterized in that, The main table also includes a reinforcing member (150) which is connected to the frame (132); The space between the two opposing frame sides (132) is the table bottom space. The lifting component (120) is located on the side of the reinforcing member (150) near the table bottom space. The end of the lifting component (120) away from the main table board (110) is connected to the bottom of the frame side (132).
4. The combined height-adjustable table according to claim 1, characterized in that, The secondary table (140) includes: a secondary table board (141) and a secondary table support (142). The sub-table panel (141) is installed on the sub-table bracket (142), and the sub-table bracket (142) is detachably connected to the crossbeam (131) or the sub-table bracket (142) is detachably connected to the frame (132).
5. The combined height-adjustable table according to claim 4, characterized in that, The main tabletop (110) extends at least partially from the side of the support frame (130); the secondary table bracket (142) extends at least partially from the secondary tabletop (141), and a clearance space (143) is formed above the secondary table bracket (142) corresponding to the edge of the secondary tabletop (141), the clearance space (143) being used to avoid the edge of the main tabletop (110).
6. The combined height-adjustable desk according to claim 4, characterized in that, The crossbeam (131) or the frame (132) is provided with at least one first fixing hole, and the sub-table bracket (142) is provided with at least one second fixing hole (1421). The first fixing hole and the second fixing hole (1421) are used to install fasteners for connection.
7. The combined height-adjustable table according to claim 4, characterized in that, The secondary table (140) includes: a secondary table leg (144) connected to the end of the secondary table bracket (142) away from the support frame (130).
8. The combined height-adjustable table according to claim 2, characterized in that, The support frame (130) further includes: a base plate (133), the base plate (133) is connected to the crossbeam (131), a driving space is formed between the base plate (133) and the main table (110), and the base plate (133) has a transmission opening through the movable housing (121); The lifting assembly (120) further includes a driving device (160), which is located in the driving space and is used to drive the movable housing (121) to lift.
9. The combined height-adjustable table according to claim 8, characterized in that, The lifting assembly (120) also includes: A lead screw (123) and a lead screw nut (124) are provided on the base (122) of the lifting assembly; the lead screw (123) and the lead screw nut (124) cooperate and are connected to the drive device (160) for transmission.
10. The combined height-adjustable table according to claim 9, characterized in that, The drive unit (160) includes: The gearbox (161), transmission rod (162) and drive motor (163) are connected by transmission through the gearbox (161), the drive motor (163) is used to control the rotation of the transmission rod (162), and the movable housing (121) is connected to the outer shell of the gearbox (161).