Liftable desk

Abstract

The utility model relates to a telescopic desk which comprises a desk plate and a lifting assembly, and the desk plate extends downwards to form a connecting column. The lifting assembly comprises a power piece and a plurality of telescopic supporting pieces, the telescopic ends of the supporting pieces are connected with the lower end of the connecting column, a hollow cross beam is connected between the opposite supporting pieces in a crossing mode, a rotating shaft is rotatably arranged in the cross beam, the end, away from the power piece, of the rotating shaft is connected with the supporting pieces, and the power piece is installed on the cross beam. The output end of the power piece extends into the cross beam to be connected with the rotating shaft, and the power piece is used for driving the rotating shaft to rotate so as to drive the supporting piece to ascend and descend to adjust the height of the table plate. According to the technical scheme, the liftable desk is simple in structure and convenient to adjust, the height of the desk plate can be adjusted according to actual needs, the sitting posture can be improved, manual adjustment is not needed, and the adjusting difficulty of workers can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to desk technical field especially relates to a liftable desk. BACKGROUND

[0002] Desk is a kind of commonly used furniture, and the raw material for making is mostly wood, and there is a plane on top, and there are support columns below, which can be used to put things, do things, write and work, etc., and it is a kind of furniture fixed by flat plate, leg and other support, and it can also be used as a noun in Chinese, in order to cater to the public demand, the types of table are various.

[0003] At present, when the table board is used, the angle of the table board needs to be adjusted, so that it can be convenient to draw or read without bending over, so that the user can use it very comfortably. However, when the table board of the existing desk is lifted, the user needs to pull out the supporting rod under the table board in the inside of the table leg, there is no structure for assisting the table board when lifting the table board, and it is laborious to lift the table board due to the heavy weight of the table board, thereby affecting the use effect. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems or at least partially solve the above technical problems, the application provides a liftable desk.

[0005] The application provides a liftable desk, which comprises:

[0006] A table board downwardly extends a connecting column;

[0007] A lifting assembly comprises a power member and a plurality of telescopic supporting members, the telescopic ends of the supporting members are connected with the lower end of the connecting column, the opposite supporting members are transversely connected with a hollow cross beam, the inside of the cross beam is rotatably provided with a rotating shaft, one end of the rotating shaft away from the power member is connected with the supporting member, the power member is installed on the cross beam, and the output end of the power member extends into the inside of the cross beam and is connected with the rotating shaft, and the power member is used to drive the rotating shaft to rotate, so as to drive the supporting members to lift and adjust the height of the table board.

[0008] In a possible implementation, the supporting member comprises a fixed rod and a lifting rod, the lifting rod is telescopically received in the fixed rod, and the upper end of the lifting rod is connected with the lower end of the connecting column, the surface of the lifting rod facing the rotating shaft is provided with a rack along the height direction thereof, and one end of the rotating shaft close to the supporting member is sleeved with a rotating tooth, and the rotating tooth is engaged with the rack.

[0009] In a possible implementation, the table board comprises a first plate body and a second plate body, a lower surface of the first plate body extends downwardly with the connecting column, the first plate body is provided with an opening, and the second plate body is reversibly embedded in the opening, and an included angle between the second plate body and the first plate body is less than 90°.

[0010] In a possible implementation, the included angle ranges from 0° to 80°.

[0011] In a possible implementation, the first plate body is provided with a first connecting block on a lower surface thereof, the second plate body is provided with a second connecting block on a lower surface thereof, the second connecting block is located on the same side as the first connecting block, and the telescopic rod is rotatably connected to the first connecting block and the second connecting block at two ends thereof.

[0012] In a possible implementation, the first connecting block is provided with a first mounting hole, the second connecting block is provided with a second mounting hole, the telescopic rod is provided with a third mounting hole and a fourth mounting hole at two ends thereof, the third mounting hole is matched with the second mounting hole, and the fourth mounting hole is matched with the first mounting hole.

[0013] In a possible implementation, the table board further comprises a support beam, the support beam is arranged across the two opposite support members and above the cross beam, and the support beam is used for supporting the second plate body.

[0014] In a possible implementation, the table board further comprises a wireless charging assembly, the wireless charging assembly comprises a wireless charging coil and a pressure-sensitive switch, the table board is connected with a receiving box, the receiving box and the lower surface of the table board form a sealed cavity, the wireless charging coil and the pressure-sensitive switch are received in the cavity, the pressure-sensitive switch is electrically connected to the wireless charging coil, and the upper surface of the table board forms a wireless charging area corresponding to the region of the wireless charging coil.

[0015] Compared with the prior art, the above technical solution provided by the embodiments of the present application has the following advantages:

[0016] The connecting column extending downwardly from the table board is connected to the support member, and the rotating shaft arranged on the cross beam is connected to the support member by rotation, the power member is arranged on the cross beam and connected to the end of the rotating shaft away from the support member, when the height of the table board needs to be adjusted, the rotating shaft is driven to rotate by the power member to drive the support member to ascend or descend, so that the height of the table board is adjusted. The height of the table board can be adjusted according to actual needs, which is beneficial to improve the sitting posture, and manual adjustment is not needed, which is beneficial to reduce the adjustment difficulty of workers. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings incorporated into the specification and constituting a part of the specification show embodiments consistent with the present application and serve to explain the principles of the present application together with the specification.

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows, and obviously, other drawings can be obtained by those skilled in the art without creative labor under the premise of not paying the creative labor.

[0019] In the drawings:

[0020] Figure 1 is a structural schematic view of a liftable desk according to the present application;

[0021] Figure 2 is a structural schematic view of the liftable desk according to the present application from another perspective;

[0022] Figure 3 is a structural schematic view of a desk board in the liftable desk according to the present application;

[0023] Figure 4 is a connection schematic view of a cross beam and a power element in the liftable desk according to the present application;

[0024] Figure 5 is a structural schematic view of a rotating tooth and a lifting rod in the liftable desk according to the present application.

[0025] Reference signs:

[0026] 10, desk board; 10a, wireless charging area; 11, first plate body; 12, second plate body; 20, connecting column; 30, lifting assembly; 31, supporting element; 311, lifting rod; 311a, rack; 312, fixed rod; 32, power element; 33, rotating shaft; 34, rotating tooth; 40, cross beam; 50, storage box; 60, telescopic rod; 70, supporting beam. DETAILED DESCRIPTION

[0027] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or positional relationships shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the present technical solution, and do not indicate that the devices or elements referred to must have a particular direction, therefore, it cannot be understood as a limitation on the present application.

[0028] It should be further pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "setting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there can be one or more intermediate elements. The terms "first", "second", "third" and the like are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the following description, specific details are presented such as specific system structures, techniques, etc. in order to thoroughly understand the embodiments of the present application, but those skilled in the art should understand that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed description of well-known systems, devices, circuits and methods is omitted to avoid unnecessary details that hinder the description of the present application.

[0030] Please refer to Figures 1 to 5The application provides a liftable desk, which comprises a desk board 10 and a lifting assembly 30, and the desk board 10 extends downwardly and is connected with a connecting column 20. The lifting assembly 30 comprises a power member 32 and a plurality of telescopic supporting members 31, the telescopic ends of the supporting members 31 are connected with the lower end of the connecting column 20, the opposite supporting members 31 are connected with a hollow cross beam 40 in a transverse manner, the inside of the cross beam 40 is rotatably provided with a rotating shaft 33, the end of the rotating shaft 33, which is away from the power member 32, is connected with the supporting members 31, the power member 32 is installed on the cross beam 40, the output end of the power member 32 extends into the inside of the cross beam 40 and is connected with the rotating shaft 33, and the power member 32 is used for driving the rotating shaft 33 to rotate so as to drive the supporting members 31 to lift or descend and adjust the height of the desk board 10.

[0031] Exemplarily, the power member 32 can adopt an electric motor, the lifting or descending of the supporting members 31 is driven by the forward and reverse rotation of the electric motor, and the height of the desk board 10 can be adjusted according to actual needs. Of course, the power member 32 can adopt other power components capable of driving the supporting members 31 to lift or descend.

[0032] Based on the above technical features, the liftable desk is connected with the supporting members 31 through the connecting column 20 extending downwardly from the desk board 10, the supporting members 31 are connected with the rotating shaft 33 rotatably arranged on the cross beam 40, the power member 32 is installed on the cross beam 40 and is connected with the end of the rotating shaft 33, which is away from the supporting members 31, when the height of the desk board 10 needs to be adjusted, the rotating shaft 33 is driven to rotate by the power member 32, so as to drive the supporting members 31 to lift or descend, thereby realizing the lifting and adjusting of the height of the desk board 10. The liftable desk has simple structure and is convenient to adjust, the height of the desk board 10 can be adjusted according to actual needs, which is beneficial to improve the sitting posture and does not need to be manually adjusted by workers, thereby reducing the adjusting difficulty of the workers.

[0033] In a possible implementation, the supporting member 31 comprises a fixed rod 312 and a lifting rod 311, the lifting rod 311 is telescopically received in the fixed rod 312, the upper end of the lifting rod 311 is connected with the lower end of the connecting column 20, the surface of the lifting rod 311, which faces the rotating shaft 33, is provided with a rack 311a along the height direction of the lifting rod 311, the end of the rotating shaft 33, which is close to the supporting member 31, is sleeved with a rotating tooth 34, and the rotating tooth 34 is engaged with the rack 311a.

[0034] Exemplarily, when the height of the table top needs to be adjusted, the power member 32 drives the rotating shaft 33 to rotate, so as to drive the rotating tooth 34 to rotate, since the rotating tooth 34 is engaged with the rack 311a, and the rack 311a is arranged on the lifting rod 311 facing the rotating shaft 33, and then the lifting rod 311 is driven to extend out of the fixed rod 312 to lift the table top 10, until the table top 10 is adjusted to the required height, and then the power member 32 stops running, so as to adjust the table top to the required height, which is simple in structure and convenient to adjust without manual adjustment.

[0035] In a possible implementation, the table top 10 comprises a first plate body 11 and a second plate body 12, the lower surface of the first plate body 11 extends downwardly with a connecting column 20, the first plate body 11 is provided with an opening, and the second plate body 12 is reversibly embedded in the opening, and an included angle between the second plate body 12 and the first plate body 11 is less than 90°. The included angle ranges from 0° to 80°.

[0036] Exemplarily, the table top 10 comprises the first plate body 11 and the second plate body 12, and the second plate body 12 can be flipped relative to the first plate body 11, so that the second plate body 12 can be adjusted to a suitable inclination angle to meet different needs of users. For example, when the user needs to adjust the viewing angle, the second plate body 12 is pulled upwardly to be lifted upwardly, so that the second plate body 12 is formed in an inclined state relative to the first plate body 11. Compared with the conventional table top 10 which cannot be lifted, the table top can be adjusted to meet the needs of users.

[0037] In a possible implementation, a telescopic rod 60 is further provided, the lower surface of the first plate body 11 is provided with a first connecting block, the lower surface of the second plate body 12 is provided with a second connecting block, the second connecting block is located on the same side as the first connecting block, and the two ends of the telescopic rod 60 are rotationally connected with the first connecting block and the second connecting block respectively.

[0038] In a possible implementation, the first connecting block is provided with a first mounting hole, the second connecting block is provided with a second mounting hole, the two ends of the telescopic rod 60 are respectively provided with a third mounting hole and a fourth mounting hole, the third mounting hole is matched with the second mounting hole, and the fourth mounting hole is matched with the first mounting hole.

[0039] Exemplarily, the third mounting hole at one end of the telescopic rod 60 is aligned with the first mounting hole, and a fastener is sequentially passed through the third mounting hole and the first mounting hole to connect the first connecting block and the end of the telescopic rod 60, and then the fourth mounting hole at the other end of the telescopic rod 60 is aligned with the first mounting hole, and a fastener is sequentially passed through the fourth mounting hole and the second mounting hole to fixedly connect the second connecting plate and the end of the telescopic rod 60, so as to complete the fixed installation of the telescopic rod 60, which is simple in structure and convenient to disassemble and assemble.

[0040] In a possible implementation, the support beam 70 is further included, which is arranged across the two opposite supports 31 and above the cross beam 40 to support the second plate body 12. In this way, when the second plate body 12 is flipped to be parallel to the first plate body 11, the second plate body 12 is supported by the support beam 70, at this time, the second plate body 12 completely covers the opening and does not affect the normal use of the table top, and the arrangement of the support beam 70 not only prevents the second plate body 12 from falling due to lack of support, but also limits the second plate body 12 from being flipped downward to the lower surface of the first plate body 11.

[0041] In a possible implementation, the wireless charging assembly is further included, which comprises a wireless charging coil and a pressure switch, and the lower surface of the table plate 10 is connected with a storage box 50, the storage box 50 and the lower surface of the table plate 10 form a sealed cavity, the wireless charging coil and the pressure switch are stored in the cavity, and the pressure switch is electrically connected with the wireless charging coil, and the area of the upper surface of the table plate 10 corresponding to the wireless charging coil forms a wireless charging area 10a.

[0042] Exemplarily, the storage box 50 is connected to the lower surface of the table plate 10, so that the storage box 50 and the lower surface of the table plate 10 form a sealed cavity, and then the wireless charging coil and the pressure switch are arranged in the cavity. When the electronic device to be charged is placed in the wireless charging area 10a, the pressure switch senses that the electronic device is placed, and the wireless charging coil is powered on, so as to realize wireless charging of the electronic device, improve the operability of wireless charging, and better adapt to fast-paced work, and provide users with a practical and convenient experience. In addition, it should be noted that the electronic device includes but is not limited to a mobile phone, an electronic watch, a charging earphone and the like.

[0043] It can be understood that the above embodiments only express the preferred embodiments of the present application, the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application; it should be pointed out that for ordinary skilled persons in the art, the above technical features can be freely combined without departing from the concept of the present application, and a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. A height-adjustable desk, characterized in that, include: The tabletop has connecting columns extending downwards; The lifting assembly includes a power component and multiple retractable support components. The retractable ends of the support components are connected to the lower ends of the connecting columns. A hollow crossbeam spans between the opposing support components. A rotating shaft is rotatably provided inside the crossbeam. The end of the rotating shaft away from the power component is connected to the support component. The power component is mounted on the crossbeam, and its output end extends into the interior of the crossbeam and is connected to the rotating shaft. The power component drives the rotating shaft to rotate, thereby raising and lowering the support components to adjust the height of the tabletop.

2. The height-adjustable desk according to claim 1, characterized in that, The support includes a fixed rod and a lifting rod. The lifting rod is retractable and housed within the fixed rod, and the upper end of the lifting rod is connected to the lower end of the connecting column. The surface of the lifting rod facing the rotating shaft is provided with a rack along its height direction. A rotating tooth is sleeved on one end of the rotating shaft near the support, and the rotating tooth meshes with the rack.

3. The height-adjustable desk according to claim 1, characterized in that, The tabletop includes a first plate and a second plate. The connecting post extends downward from the lower surface of the first plate. An opening is provided on the first plate. The second plate is rotatably embedded in the opening, and an angle of less than 90° is formed between the second plate and the first plate.

4. The height-adjustable desk according to claim 3, characterized in that, The included angle ranges from 0° to 80°.

5. The height-adjustable desk according to claim 3, characterized in that, It also includes a telescopic rod, a first connecting block is provided on the lower surface of the first plate, a second connecting block is provided on the lower surface of the second plate, the second connecting block and the first connecting block are located on the same side, and the two ends of the telescopic rod are rotatably connected to the first connecting block and the second connecting block respectively.

6. The height-adjustable desk according to claim 5, characterized in that, The first connecting block has a first mounting hole, the second connecting block has a second mounting hole, and the two ends of the telescopic rod have a third mounting hole and a fourth mounting hole, respectively. The third mounting hole is adapted to the second mounting hole, and the fourth mounting hole is adapted to the first mounting hole.

7. The height-adjustable desk according to claim 3, characterized in that, It also includes a support beam that spans between two opposing support members and is located above the crossbeam for supporting the second plate.

8. The height-adjustable desk according to claim 1, characterized in that, It also includes a wireless charging component, which includes a wireless charging coil and a pressure-sensitive switch. A storage box is connected to the lower surface of the tabletop, and the storage box and the lower surface of the tabletop form a sealed cavity. The wireless charging coil and the pressure-sensitive switch are housed in the cavity, and the pressure-sensitive switch is electrically connected to the wireless charging coil. The area on the upper surface of the tabletop corresponding to the wireless charging coil forms a wireless charging area.

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