CN212088817U

CN212088817U - Multifunctional desk

Info

Publication number: CN212088817U
Application number: CN202020474283.4U
Authority: CN
Inventors: 王二哲; 杜富和; 龙永富; 王璐; 汪兴虎; 雷鹏; 魏梦涛; 李涛; 张家伍; 李丹宁
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-08
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a multifunctional desk, which comprises a front desk body and a rear desk body, wherein the front desk body is arranged at the front side of the rear desk body; the front desk body comprises a front desk top which is arranged above the front desk legs; the storage table is arranged at one end of the front table top, and the output end of the storage table lifting mechanism is connected with the storage table and used for driving the storage table to vertically lift; the rear table body comprises a rear table top which is horizontally arranged above the lifting table legs; the storage cabinet is arranged between the lifting table legs, and the upper end of the storage cabinet is fixedly connected with the lower part of the rear tabletop; the lifting driving mechanism is used for driving the lifting table legs to vertically extend and lift; the storage table is arranged on the front table body, so that the storage table can be freely lifted, and more storage spaces are provided for users; the rear table body is arranged on the rear side of the front table top, the storage cabinet capable of freely lifting is arranged on the rear table body, the space utilization rate of the table top is improved, meanwhile, the range of motion of legs and feet of a user is larger, and articles can be stored and taken conveniently and quickly.

Description

Multifunctional desk

Technical Field

The utility model belongs to the technical field of furniture, in particular to multifunctional desk.

Background

Nowadays, nearly family in China all has various desks, nevertheless to most people, the space of desktop is limited, single structure, all is equipped with the locker below most desks in addition, has very big restriction to user's leg activity, consequently, for make full use of desktop space, the activity space of increase leg just becomes extremely important, the utility model provides a novel multifunctional desk.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the prior art, the utility model aims to provide a multifunctional desk to the desktop space of solving current desk is limited, single structure, the less technical problem in desktop below space.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a multifunctional desk, which comprises a front desk body, a rear desk body and a control system, wherein the front desk body is arranged at the front side of the rear desk body, and the front desk body and the rear desk body are detachably connected together;

the front table body comprises a front table top, two front table legs, a storage table and a storage table lifting mechanism, wherein the front table top is arranged above the front table legs; the two front desk legs are vertically parallel and are respectively arranged at the two ends below the front desktop; the storage table is arranged at one end of the front table top and is arranged close to one side of the rear table body; the storage platform lifting mechanism is arranged below the front table top, and the output end of the storage platform lifting mechanism is connected with the storage platform and used for driving the storage platform to vertically lift;

the rear table body comprises a rear table top, two lifting table legs, a storage cabinet and a lifting driving mechanism, and the rear table top is horizontally arranged above the lifting table legs; the two lifting table legs are vertically parallel and are respectively arranged at two ends below the rear table top, and the bottoms of the front table legs are detachably connected with the bottoms of the lifting table legs; the storage cabinet is arranged between the two lifting table legs, and the upper end of the storage cabinet is fixedly connected with the lower part of the rear tabletop; the lifting driving mechanism is arranged on the lifting table legs and used for driving the lifting table legs to vertically extend and lift;

the storage platform lifting mechanism and the lifting driving mechanism are connected with the control system, and the control system is used for controlling the storage platform lifting mechanism and the lifting driving mechanism to be opened and closed.

Further, the storage table comprises a vertical supporting plate, a horizontal supporting plate, an extending arm and an end baffle; the vertical supporting plate is vertically inserted on the front desktop; the vertical supporting plate is fixedly connected with the output end of the storage platform lifting mechanism; the horizontal supporting plate is arranged in the middle of the vertical supporting plate, one side of the horizontal supporting plate is rotatably connected with the vertical supporting plate, and the other side of the horizontal supporting plate is a free end; the extending arm is fixedly arranged on the vertical supporting plate and is arranged at the end part of the vertical supporting plate, and the upper end of the end baffle is connected with the extending arm.

Further, the storage platform lifting mechanism comprises a storage platform driving motor, a first gear, a transmission shaft fixing piece, a second gear and a rack; the storage table driving motor is arranged below the front table top, and an output shaft of the storage table driving motor is sleeved with a driving gear; the transmission shaft is arranged below the front tabletop through the transmission shaft fixing piece, the first gear is arranged at one end of the transmission shaft, and the first gear is meshed with the driving gear; the second gear is installed at the other end of transmission shaft, and second gear and rack meshing, the vertical fixed setting of rack are in the rear side of storing platform, and storing platform driving motor is connected with control system electricity.

Furthermore, the storage table driving motor adopts a stepping motor, and an internal contracting brake device is arranged on the storage table driving motor.

Furthermore, the lifting table legs comprise a first threaded rod, a second threaded rod and a rear table leg which are coaxially arranged in the vertical direction, the upper end of the first threaded rod is fixedly connected with the rear table top, the lower end of the first threaded rod is inserted into the second threaded rod, the lower end of the second threaded rod is rotatably connected with the rear table leg, and the rear table leg is detachably connected with the front table legs; the lifting driving mechanism is fixedly arranged on the back table leg, and the output end of the lifting driving mechanism is connected with the second threaded rod and is used for driving the second threaded rod to rotate around the axis of the second threaded rod; the lateral wall of first threaded rod is provided with the external screw thread, is provided with the internal thread on the inside wall of second threaded rod, and the external screw thread on the first threaded rod meshes with the internal thread of second threaded rod.

Furthermore, the external threads on the first threaded rod and the internal threads on the second threaded rod are both rectangular threads.

Furthermore, the lifting driving mechanism comprises a storage cabinet driving motor and a motor support, the storage cabinet driving motor is fixedly arranged on the rear table legs through the motor support, and the output end of the storage cabinet driving motor is connected with the second threaded rod; the locker driving motor adopts a stepping motor, and a band-type brake device is arranged on the locker driving motor.

Furthermore, a bearing is arranged between the second threaded rod and the rear table leg, an inner ring of the bearing is fixedly connected with the second threaded rod, and an outer ring of the bearing is fixedly connected with the rear table leg.

Further, the control system comprises a lifting button, a single chip microcomputer and a driving plate; the output end of the lifting button is connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is connected with the input end of the driving plate, and the output end of the driving plate is respectively connected with the storage table lifting mechanism and the lifting driving mechanism; the single chip microcomputer adopts STM32 series F103ZET6 control panel, and the drive plate adopts ULN2003 drive plate.

Furthermore, the front desk legs comprise front desk leg bodies and front desk legs; the upper end of the front desk leg body is connected with the front desktop, the lower end of the front desk leg body is connected with the front desk leg, and the front desk leg is detachably connected with the lifting desk leg; the front desk leg body adopts a telescopic structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a multifunctional desk, which is characterized in that a storage platform is arranged on a front desk body, the storage platform can freely lift, more storage spaces are provided for users, and meanwhile, the storage mode that a storage device is arranged below a desktop is changed; the rear table body is arranged on the rear side of the front table top, the storage cabinet capable of freely lifting is arranged on the rear table body, the space utilization rate of the table top is improved, meanwhile, the range of motion of legs and feet of a user is larger, and articles can be stored and taken conveniently and quickly.

Furthermore, the storage table structure is formed by combining the vertical support plate and the horizontal support plate, so that the use efficiency of space is effectively improved, the horizontal support plate and the vertical support plate are rotatably connected, the space occupied by the front table top is greatly reduced when the storage table is contracted, the flatness of the table top is improved, and the stability and strength requirements of the front table top are ensured; through setting up the tip baffle, effectively avoided dropping of storing bench article, improve the security of using.

Further, through set up the band-type brake device on storing platform driving motor, realized that the storing platform goes up and down spacing, improved the stability and the life of structure.

Furthermore, the two threaded rods are connected through the rectangular threads, so that the transmission efficiency between the threaded rods is improved.

Furthermore, the lifting table legs are combined by two threaded rods, so that the stability of the storage cabinet in the lifting process is ensured.

Furthermore, through set up the band-type brake device on locker driving motor, realized the spacing of locker lift, improved the stability and the life of structure.

Further, through setting the front desk leg body into extending structure, through the height of adjusting the front desk leg, realize the regulation to the front desktop height, satisfied different height users 'use, improved user's comfort level.

In summary, the storage table is arranged on the front table body, so that the storage mode of a storage cabinet arranged under the traditional table top is changed, the storage table can be freely lifted, and more storage spaces are provided for a user during working; the lifting storage cabinet is additionally arranged at the rear part of the rear table body, so that the space utilization rate of the table top is improved, the moving range of legs and feet of a user is larger, and articles can be stored and taken more conveniently and quickly; the storage cabinet arranged below the rear desktop can be freely lifted, so that things which are not related to work on the desktop can be stored in the storage cabinet, and the utilization rate of the desktop space is improved; when working hours are not needed, all office articles can be stored in the storage cabinet, and the storage cabinet can also be retracted below the desk top, so that the tidiness of the desk is ensured; because the storage cabinet below the table is removed, the leg and foot movement range of a user is larger, and the desk experience is better; because the rear desktop can be lifted, the rear desktop can be lifted to a certain height for placing a computer during office work, thereby preventing discomfort of the neck caused by continuous head lowering during office work; the front desk body and the rear desk body are detachably connected, and the front desk surface and the rear desk surface can be separated, so that the desk can be conveniently moved.

Drawings

Fig. 1 is a front view of a multifunctional desk according to the present invention;

fig. 2 is a side view of a multifunctional desk according to the present invention;

fig. 3 is a top view of a multifunctional desk according to the present invention;

fig. 4 is a schematic front view illustrating a raised state of a storage platform in a multifunctional desk according to the present invention;

fig. 5 is a schematic side view illustrating a raised state of a storage platform in a multifunctional desk according to the present invention;

fig. 6 is a schematic structural view of a storage platform lifting mechanism in a multifunctional desk according to the present invention;

fig. 7 is a partial structural view of a storage platform in a multifunctional desk according to the present invention;

fig. 8 is a structural view illustrating a raised state of a locker at a multifunctional desk according to the present invention;

fig. 9 is a partial structural view illustrating a raised state of a storage cabinet in a multifunctional desk according to the present invention;

fig. 10 is a schematic view of a connection structure between a front leg and a rear leg of the multifunctional desk of the present invention.

Wherein, 1 the front desk body and 2 the back desk body; 11 front table tops, 12 front table legs, 13 storage tables and 14 storage table lifting mechanisms; 121 front desk legs and 122 front desk legs; 131 vertical support plates, 132 horizontal support plates, 133 overhanging arms, 134 end baffles; 141 storage table driving motor, 142 first gear, 143 transmission shaft, 144 transmission shaft fixing piece, 145 second gear and 146 rack; 21 rear table top, 22 lifting table legs, 23 storage cabinet and 24 lifting driving mechanism; 221 a first threaded rod, 222 a second threaded rod, 223 a rear table leg, 224 a bearing; 241 cabinet driving motor.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution and the beneficial effects are more clearly understood, and the following geometric drawings and embodiments are used for further detailed description of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in the attached drawings 1-10, the utility model provides a multifunctional desk, which comprises a front desk body 1, a back desk body 2 and a control system, wherein the front desk body 1 is arranged at the front side of the back desk body 1, and the front desk body 1 and the back desk body 2 are detachably connected together.

The front table body 1 comprises a front table top 11, two front table legs 12, a storage platform 13 and a storage platform lifting mechanism 14, wherein the front table top 11 is arranged above the front table legs 12; the two front desk legs 12 are vertically parallel and are respectively arranged at two ends below the front desktop 11, the upper ends of the front desk legs 12 are connected with the front desktop 11, the lower ends of the front desk legs 12 are arranged on the ground and are fixedly connected with the bottoms of the lifting desk legs 22, and therefore the stability of the desk is ensured; the storage platform 13 is arranged at one end of the front table top 11 and is arranged close to one side of the rear table body 2; the storage platform lifting mechanism 14 is arranged below the front tabletop 11, and the output end of the storage platform lifting mechanism 14 is connected with the storage platform 13 and used for driving the storage platform 13 to vertically lift; the storage platform lifting mechanism 14 is connected with the control system, and the control system is used for controlling the opening and closing of the storage platform lifting mechanism 14 so as to realize the vertical lifting of the storage platform 13.

The rear table body 2 comprises a rear table top 21, two lifting table legs 22, a storage cabinet 23 and a lifting driving mechanism 24, wherein the rear table top 21 is horizontally arranged above the lifting table legs 22; the two lifting table legs 22 are vertically parallel and are respectively arranged at two ends below the rear table top 21, the upper ends of the lifting table legs 22 are fixedly connected with the lower part of the rear table top 21, and the bottoms of the lifting table legs 22 are arranged on the ground; the storage cabinet 23 is arranged between the two lifting table legs 22, the upper end of the storage cabinet 23 is fixedly connected with the lower part of the rear tabletop 21, and when the storage cabinet 23 is in a contraction state, the rear tabletop 21 is flush with the front tabletop 11; the lifting driving mechanism 24 is arranged on the lifting table legs 22 and used for driving the lifting table legs 22 to vertically extend and descend, and the storage cabinet 23 is driven to vertically ascend and descend by the vertical extending and descending of the lifting table legs 22; the storage platform lifting mechanism 14 is connected with a control system, and the control system is used for controlling the lifting driving mechanism 24 to open and close.

The storage table 13 comprises a vertical support plate 131, a horizontal support plate 132, an extending arm 133 and an end baffle 134; the vertical supporting plate 131 is vertically inserted in the front tabletop 11; the vertical supporting plate 131 is fixedly connected with the output end of the storage platform lifting mechanism 14, and the storage platform lifting mechanism 14 can drive the vertical supporting plate 131 to vertically lift; the horizontal support plate 132 is arranged in the middle of the vertical support plate 131, one side of the horizontal support plate 132 is rotatably connected with the vertical support plate 131, and the other side is a free end; the extending arm 133 is fixedly arranged on the vertical supporting plate 131 and is arranged at the end of the vertical supporting plate 131, and the upper end of the end baffle 134 is fixedly connected with the extending arm 133.

The top end of the vertical supporting plate 131 is provided with an upper plate, the bottom end of the vertical supporting plate 131 is provided with a lower plate, when the storage table 13 is in a contraction state, the vertical supporting plate 131 is positioned below the front table top 11, the upper plate of the vertical supporting plate 131 is flush with the front table top 11, when the storage table 13 is in a lifting state, the vertical supporting plate 131 is positioned above the front table top 11, and the lower plate of the vertical supporting plate 131 is flush with the front table top 11, so that the flatness of the front table top 11 before and after the storage table 13 is lifted is ensured; meanwhile, the horizontal support plate 132 is rotated to be vertically parallel to the vertical support plate 131 through a rotational connection point with the vertical support plate 131; the two ends of the horizontal support plate 132 are provided with flanging structures, and the horizontal support plate 132 is buckled and connected with the vertical support plate 131 through the flanging structures; when the vertical support plate 131 vertically rises, the flanging structure of the horizontal support plate 132 is separated from the vertical support plate 131, and under the action of gravity, the horizontal support plate 132 is separated from the vertical support plate 131 and is rotated until the horizontal support plate 132 is perpendicular to the vertical support plate 131; meanwhile, in the ascending process of the vertical supporting plate 131, the extending arm 133 drives the end baffle 134 to ascend, a storage space is formed among the vertical supporting plate 131, the horizontal supporting plate 132 and the end baffle 134, the placement of articles is realized, the articles on the storage table are prevented from falling off by the arrangement of the end baffle 134, and the placement safety of the articles is ensured.

The storage table lifting mechanism 14 comprises a storage table driving motor 141, a first gear 142, a transmission shaft 143, a transmission shaft fixing member 144, a second gear 145 and a rack 146; the storage table driving motor 141 is installed below the front table top 11, and an output shaft of the storage table driving motor 141 is sleeved with a driving gear; a transmission shaft 143 is installed below the front table top through a transmission shaft fixing member 144, a first gear 142 is installed at one end of the transmission shaft 143, and the first gear 142 is engaged with the driving gear; the second gear 145 is mounted at the other end of the transmission shaft 143, the second gear 145 is meshed with the rack 146, and the second gear is meshed with the rack, so that the rotation of the second gear is converted into the up-and-down movement of the rack; the rack 146 is vertically and fixedly arranged at the rear side of the vertical support plate 131, and the storage platform driving motor 141 is electrically connected with the control system; preferably, the storage table driving motor 141 is a 28BYJ4 stepping motor.

When the storage table 13 is used, the storage table driving motor 141 is started through the control system, the output shaft of the storage table driving motor 141 drives the driving gear to rotate, the driving gear drives the first gear to rotate, so that the transmission shaft 143 rotates, the transmission shaft 143 drives the second gear 145 to rotate when rotating, the second gear 145 is meshed with the rack 146, and when the second gear 145 rotates, the rack 146 is driven to vertically lift, so that the vertical lifting of the vertical support plate 131 is realized; preferably, the height of the vertical supporting plate 131 is matched with the rotation stroke of the storage table driving motor 141, a band-type brake device is arranged on the storage table driving motor 141, and when the vertical supporting plate 131 rises or falls, the vertical supporting plate 131 is driven to rise or fall to a set position, the band-type brake device enables the storage table driving motor 141 to realize power-off self-locking, so that the limiting effect is achieved, and the safety and the stability of the structure are ensured.

The front desk legs 12 comprise front desk leg bodies 121 and front desk legs 122; the upper end of the front desk leg body 121 is connected with the front desk top 11, and the lower end is connected with the front desk foot 122; preferably, the front desk leg body 121 adopts a telescopic structure, and the height of the front desk leg 121 is adjusted to adjust the height of the front desk top, so that the use requirements of users with different heights are met, and the comfort level of the users is improved; the preferred front tabletop 11 is rotatably connected with the front table leg body 121, and is used for adjusting the inclination angle of the front tabletop 11, providing different inclination angles for users, and meeting the use requirements under different scenes.

The lifting table legs 22 comprise a first threaded rod 221, a second threaded rod 222, a rear table foot 223 and a bearing 224 which are vertically and coaxially arranged, the upper end of the first threaded rod 221 is fixedly connected with the rear table top 21, the lower end of the first threaded rod 221 is inserted into the second threaded rod 222, and the lower end of the second threaded rod 222 is rotatably connected with the rear table foot 223; a bearing 224 is arranged between the second threaded rod 222 and the rear table leg 223, the inner ring of the bearing 224 is fixedly connected with the second threaded rod 222, and the outer ring of the bearing 224 is fixedly connected with the rear table leg 223; the rear table leg 223 is detachably connected with the front table leg 122, so that the detachable connection of the front table body 1 and the rear table body 2 is realized; the rear ends of the front table legs 122 are inserted into the front ends of the rear table legs 223 and detachably and fixedly connected together through bolts, so that the overturning of the rear table body 2 in the lifting process of the storage cabinet 23 is avoided, and the stability of the desk structure is ensured; when the desk is moved, the bolts on the front desk legs 122 and the bolts on the rear desk legs 223 are removed, so that the front desk body and the rear desk body can be independently moved.

The lifting driving mechanism 24 is fixedly arranged on the rear table leg 223, and the output end of the lifting driving mechanism 24 is connected with the second threaded rod 222 and used for driving the second threaded rod 222 to rotate around the axis of the second threaded rod 222; the outer side wall of the first threaded rod 221 is provided with an external thread, the inner side wall of the second threaded rod 222 is provided with an internal thread, and the external thread on the first threaded rod 221 is meshed with the internal thread of the second threaded rod 222; preferably, the external threads on first threaded rod 221 and the internal threads on second threaded rod 222 are both rectangular threads.

The lifting driving mechanism 24 comprises a storage cabinet driving motor 241 and a motor support, the storage cabinet driving motor 241 is fixedly arranged on the rear table leg 223 through the motor support, and the output end of the storage cabinet driving motor 241 is connected with the second threaded rod 222; when the storage cabinet 23 needs to be used, the storage cabinet driving motor 241 is started to rotate through the control system, the output end of the storage cabinet driving motor 241 drives the second threaded rod 222 to rotate, vertical rising or falling of the first threaded rod 221 is achieved, and then the storage cabinet 23 is driven to vertically rise and fall under the action of the rear tabletop 21; preferably, the lifting height of the first threaded rod 221 is matched with the stroke of the storage cabinet driving motor 241, and a contracting brake device is arranged on the storage cabinet driving motor 241, so that when the first threaded rod 221 is lifted up or down to a set position, the contracting brake device enables the storage cabinet driving motor 241 to realize power-off self-locking, a limiting effect is achieved, and the safety and the stability of the structure are ensured; preferably, the drawer drive motor 241 is a 28BYJ4 stepper motor.

The control system comprises a lifting button, a single chip microcomputer and a driving plate; the output end of the lifting button is connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is connected with the input end of the driving plate, and the output end of the driving plate is respectively connected with the storage platform lifting mechanism 14 and the lifting driving mechanism 24; the single chip microcomputer adopts STM32 series F103ZET6 control panel, and the drive plate adopts ULN2003 drive plate.

Working principle and using method

When the storage table needs to be lifted, a user presses a lifting key in a lifting button, an STM32 series F103ZET6 control panel outputs a PWM signal to an ULN2003 drive plate, the ULN2003 drive plate drives a storage table drive motor to rotate, a driving gear on an output shaft of the storage table drive motor drives a first gear to rotate, the first gear drives a second gear to rotate through a transmission shaft, and the second gear drives a rack to lift, so that a vertical support plate is driven to lift; in the ascending process of the vertical supporting plate, the horizontal supporting plate is separated from the vertical supporting plate, and the horizontal supporting plate rotates to be horizontal under the action of gravity; in the ascending process of the vertical supporting plate, the extending arm on the vertical supporting plate drives the end baffle plate to ascend, and when the lower end of the end baffle plate or the lower layer plate of the vertical supporting plate is flush with the front desktop; the storage table driving motor realizes brake self-locking through the band-type brake device, the storage table driving motor is powered off, a driving gear on an output shaft of the storage table driving motor stops rotating, and the vertical supporting plate stops rising; when the storage table needs to be retracted, a descending key in a lifting button is pressed down, an STM32 series F103ZET6 control panel outputs PWM signals to an ULN2003 drive plate, the ULN2003 drive plate drives a storage table drive motor to rotate, a driving gear on an output shaft of the storage table drive motor drives a first gear to rotate, the first gear drives a second gear to rotate through a transmission shaft, and the rotating second gear drives a rack to ascend, so that a vertical support plate is driven to descend; vertical support board decline process, because the interact between horizontal support board and the preceding desktop, horizontal support board takes place to rotate around the rotation tie point with vertical support board, horizontal support board becomes vertical gradually, and be connected horizontal support board and vertical support board lock through turn-ups structure, when vertical support board descends to its top plate and preceding desktop parallel and level, storing platform driving motor passes through the band-type brake device and realizes the brake auto-lock, storing platform driving motor cuts off the power supply, the epaxial driving gear stall of storing platform driving motor output, vertical support board stops to descend.

The method comprises the following steps that a fixed value is set from the top end of a vertical supporting plate of a storage table to the bottom end of the vertical supporting plate, PWM signal waves of a driving motor of the storage table are set to enable the vertical supporting plate to be lifted to a set position, and then the vertical supporting plate can be powered off and self-locked through a brake device on the driving motor of the storage table; the brake device is separated from an output shaft on the storage table driving motor, and the storage table driving motor operates normally.

When the storage cabinet needs to be lifted, a user presses a lifting key in a control button, an STM32 series F103ZET6 control panel outputs PWM (pulse-width modulation) signals to an ULN2003 driving plate so as to drive a storage cabinet driving motor to rotate, and the storage cabinet driving motor drives a second threaded rod to rotate; when the second threaded rod rotates, the inner ring of the bearing and the second threaded rod synchronously rotate, the outer ring of the bearing is fixed with the rear table foot, the rotating second threaded rod drives the first threaded rod to rotate, so that the first threaded rod ascends, and further the storage cabinet is driven to synchronously ascend through the rear table top; as does the drop.

When the storage cabinet on the rear table body is lifted, PWM signal waves of the storage cabinet driving motor are set, so that the storage cabinet can reach the first layer and the second layer of the storage cabinet by one key and restore to the positions where the front table top and the rear table top are parallel, and the storage cabinet can be freely controlled to be lifted to an ideal position by manually controlling the positive and negative rotation of the storage cabinet driving motor.

The multifunctional desk provided by the utility model changes the storage mode of a storage cabinet arranged under the traditional desktop by arranging the storage platform on the front desk body, and the storage platform can freely lift, thereby providing more storage space for a user during working; the lifting storage cabinet is additionally arranged at the rear part of the rear table body, so that the space utilization rate of the table top is improved, the moving range of legs and feet of a user is larger, and articles can be stored and taken more conveniently and quickly; the storage cabinet arranged below the rear desktop can be freely lifted, so that things which are not related to work on the desktop can be stored in the storage cabinet, and the utilization rate of the desktop space is improved; when working hours are not needed, all office articles can be stored in the storage cabinet, and the storage cabinet can also be retracted below the desk top, so that the tidiness of the desk is ensured; because the storage cabinet below the table is removed, the leg and foot movement range of a user is larger, and the desk experience is better; because the rear desktop can be lifted, the rear desktop can be lifted to a certain height for placing a computer during office work, thereby preventing discomfort of the neck caused by continuous head lowering during office work; the front desk body is detachably connected with the rear desk body, the front desk top and the rear desk top can be separated, and the desk is convenient to move.

The above description is only illustrative of the preferred embodiments of the present invention, and any variations, modifications, decorations, etc. may be made without departing from the principle of the present invention, and these variations, modifications, decorations, etc. are all considered to be within the scope of the present invention.

Claims

1. A multifunctional desk is characterized by comprising a front desk body (1), a rear desk body (2) and a control system, wherein the front desk body (1) is arranged on the front side of the rear desk body (2), and the front desk body (1) and the rear desk body (2) are detachably connected together;

the front table body (1) comprises a front table top (11), two front table legs (12), a storage platform (13) and a storage platform lifting mechanism (14), wherein the front table top (11) is arranged above the front table legs (12); the two front desk legs (12) are vertically parallel and are respectively arranged at the two ends below the front desktop (11); the storage platform (13) is arranged at one end of the front table top (11) and is arranged close to one side of the rear table body (2); the storage table lifting mechanism (14) is arranged below the front table top (11), and the output end of the storage table lifting mechanism (14) is connected with the storage table (13) and used for driving the storage table (13) to vertically lift;

the rear table body (2) comprises a rear table top (21), two lifting table legs (22), a storage cabinet (23) and a lifting driving mechanism (24), wherein the rear table top (21) is horizontally arranged above the lifting table legs (22); the two lifting table legs (22) are vertically parallel and are respectively arranged at two ends below the rear table top (21), and the bottoms of the front table legs (12) are detachably connected with the bottoms of the lifting table legs (22); the storage cabinet (23) is arranged between the two lifting table legs (22), and the upper end of the storage cabinet (23) is fixedly connected with the lower part of the rear table top (21); the lifting driving mechanism (24) is arranged on the lifting table legs (22) and is used for driving the lifting table legs (22) to vertically extend and lift;

the storage platform lifting mechanism (14) and the lifting driving mechanism (24) are connected with a control system, and the control system is used for controlling the storage platform lifting mechanism (14) and the lifting driving mechanism (24) to be opened and closed.

2. A multifunctional desk as claimed in claim 1, characterised in that the storage table (13) comprises a vertical support plate (131), a horizontal support plate (132), an overhanging arm (133) and an end flap (134); the vertical supporting plate (131) is vertically inserted on the front desktop (11); the vertical supporting plate (131) is fixedly connected with the output end of the storage platform lifting mechanism (14); the horizontal support plate (132) is arranged in the middle of the vertical support plate (131), one side of the horizontal support plate (132) is rotatably connected with the vertical support plate (131), and the other side is a free end; the extending arm (133) is fixedly arranged on the vertical supporting plate (131) and is arranged at the end part of the vertical supporting plate (131), and the upper end of the end baffle (134) is connected with the extending arm (133).

3. The multifunctional desk of claim 1, wherein the storage table lifting mechanism (14) comprises a storage table driving motor (141), a first gear (142), a transmission shaft (143), a transmission shaft fixing member (144), a second gear (145) and a rack (146); the storage table driving motor (141) is arranged below the front table top (11), and an output shaft of the storage table driving motor (141) is sleeved with a driving gear; the transmission shaft (143) is arranged below the front table top through a transmission shaft fixing piece (144), the first gear (142) is arranged at one end of the transmission shaft (143), and the first gear (142) is meshed with the driving gear; the second gear (145) is installed at the other end of the transmission shaft (143), the second gear (145) is meshed with the rack (146), the rack (146) is vertically and fixedly arranged on the rear side of the storage table (13), and the storage table driving motor (141) is electrically connected with the control system.

4. The multifunctional desk of claim 3, wherein the storage table driving motor (141) is a stepping motor, and the storage table driving motor (141) is provided with a band-type brake device.

5. The multifunctional desk of claim 1, wherein the lifting desk legs (22) comprise a first threaded rod (221), a second threaded rod (222) and a rear desk foot (223), which are coaxially arranged in the vertical direction, the upper end of the first threaded rod (221) is fixedly connected with the rear desk top (21), the lower end of the first threaded rod (221) is inserted into the second threaded rod (222), the lower end of the second threaded rod (222) is rotatably connected with the rear desk foot (223), and the rear desk foot (223) is detachably connected with the front desk legs (12); the lifting driving mechanism (24) is fixedly arranged on the back table leg (223), and the output end of the lifting driving mechanism (24) is connected with the second threaded rod (222) and used for driving the second threaded rod (222) to rotate around the axis of the second threaded rod; the outer side wall of the first threaded rod (221) is provided with an external thread, the inner side wall of the second threaded rod (222) is provided with an internal thread, and the external thread on the first threaded rod (221) is meshed with the internal thread of the second threaded rod (222).

6. Multifunctional desk according to claim 5, characterized in that the external thread on the first threaded bar (221) and the internal thread on the second threaded bar (222) are both rectangular threads.

7. The multifunctional desk of claim 5, wherein the lifting driving mechanism (24) comprises a locker driving motor (241) and a motor support, the locker driving motor (241) is fixedly mounted on the back desk leg (223) through the motor support, and the output end of the locker driving motor (241) is connected with the second threaded rod (222); the locker driving motor (241) adopts a stepping motor, and a band-type brake device is arranged on the locker driving motor (241).

8. The multifunctional desk of claim 5, wherein a bearing (224) is arranged between the second threaded rod (222) and the back desk leg (223), an inner ring of the bearing (224) is fixedly connected with the second threaded rod (222), and an outer ring of the bearing (224) is fixedly connected with the back desk leg (223).

9. The multifunctional desk of claim 1, wherein the control system comprises a lifting button, a single-chip microcomputer and a driving board; the output end of the lifting button is connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is connected with the input end of the driving plate, and the output end of the driving plate is respectively connected with the storage table lifting mechanism (14) and the lifting driving mechanism (24); the single chip microcomputer adopts STM32 series F103ZET6 control panel, and the drive plate adopts ULN2003 drive plate.

10. The multifunctional desk of claim 1, wherein the front desk legs (12) comprise front desk leg bodies (121) and front desk legs (122); the upper end of the front desk leg body (121) is connected with the front desk top (11), the lower end of the front desk leg body is connected with the front desk leg (122), and the front desk leg (122) is detachably connected with the lifting desk leg (22); the front desk leg body (121) adopts a telescopic structure.