CN111972831A

CN111972831A - Multifunctional computer desk

Info

Publication number: CN111972831A
Application number: CN202010792452.3A
Authority: CN
Inventors: 叶再武
Original assignee: Tiantai Yuanming Intelligent Equipment Co Ltd
Current assignee: Tiantai Yuanming Intelligent Equipment Co Ltd
Priority date: 2020-08-09
Filing date: 2020-08-09
Publication date: 2020-11-24

Abstract

The invention discloses a novel multifunctional computer desk which structurally comprises a desk and a seat, wherein the desk and the seat are connected through a linkage device for realizing linkage of the desk and the seat, the linkage device is symmetrically arranged, the lower part of the desk is provided with a first symmetrical opening cavity, and the first opening cavity can accommodate the seat; the top of the table is provided with a storage device for storing articles and a second opening inner cavity, and a lifting table is arranged in the second opening inner cavity in a sliding manner; there is inner chamber one seat bottom, there is the cleaning device who is used for cleaning ground in the inner chamber one, this equipment table and seat integral type, the seat passes through the aggregate unit with the elevating platform of placing the display screen and connects to the display screen can realize going up and down through removing the seat, can clean the ground below the seat through cleaning device, the back can adjust the equipment of advantages such as back length and angle through rotating the back device, has one on the table to put the thing device and can place keyboard and mouse etc..

Description

Multifunctional computer desk

Technical Field

The invention belongs to the technical field of articles for daily use, and particularly relates to a multifunctional computer desk.

Background

With the progress of the times, computers become necessary articles for daily use for families, computer desks also become necessary articles for daily use for people, at present, more computer desks are only provided with a computer host placing area at the lower left corner of the desk, a keyboard placing area is arranged in the middle of the desk, a display screen is placed on the desktop, the computer desks occupy more space and are easy to accumulate dust, and a seat is generally required to be matched and used when the computer desk is used.

The prior art has the defects of simple structure, incomplete functions and easy dust accumulation. For this reason, long-term research has been conducted and various solutions have been proposed.

For example, a chinese patent document discloses a novel multifunctional computer desk [ application No.: CN201710525801.3], which comprises a book placing groove arranged at the lower end of a desktop, a drawer arranged at the lower end of the book placing groove, a square groove arranged at the upper middle part of the desktop, a computer supporting module arranged at the upper end of the square groove, a supporting plate arranged at the upper end of the computer supporting module, an elastic stretching plate arranged between the supporting plates, a non-slip mat arranged at the upper end of the four corners of the supporting plate, a supporting rod arranged at the lower end of the four corners of the supporting plate, a positioning hole arranged on the supporting rod, a computer placing area arranged at the lower middle part of the desktop, a computer placing area comprising a placing groove and a cover plate, a clamping groove arranged at the right end of the computer placing area, sliding grooves arranged at the middle parts of the two side walls of the clamping groove, the invention has the advantages of simple structure, convenient use, complete functions and capability of adjusting the height of the computer according to the preference of the user.

The scheme is only suitable for a notebook computer, but not suitable for a desktop computer, and can not solve the defects that a display screen is placed on a desk, dust is easy to accumulate, and a chair needs to be independently matched.

Disclosure of Invention

The invention aims to solve the problems and provides equipment which has the advantages that a desk and a seat are integrated, the seat is connected with a lifting platform for placing a display screen through a linkage device, the display screen can be lifted through the movement of the seat, the ground below the seat can be cleaned through a cleaning device, the length and the angle of a backrest of the seat can be adjusted through rotating the backrest device, and the like.

The invention is realized by the following technical scheme: the novel multifunctional computer desk is characterized by comprising a desk and a seat, wherein the desk and the seat are connected through a linkage device for realizing linkage of the desk and the seat, the linkage device is symmetrically arranged, the lower part of the desk is provided with a first symmetrical opening cavity, and the first opening cavity can accommodate the seat; the top of the table is provided with a storage device for storing articles and a second opening inner cavity, and a lifting table is arranged in the second opening inner cavity in a sliding manner; the bottom of the seat is provided with a first inner cavity, a cleaning device for cleaning the ground is arranged in the first inner cavity, and a pulley is arranged below the seat; the middle of the top of the seat is provided with a groove IV, and a rotary backrest device for adjusting the backrest is arranged in the groove IV.

According to the further technical scheme, a storage box body used for placing a case is arranged at the lower portion of the table, a first wire hole is formed in the top of the storage box body and communicated with a second opening inner cavity, a first storage cavity is formed in the storage box body and communicated with the first wire hole, the first storage cavity can accommodate the case, and a first notch is formed in one side, close to the opening inner cavity, of the storage box body in a communicated mode; an inner cavity II is formed in the table and communicated with the notch I, a notch II is formed in the upper end of the inner cavity II, and the notch II is communicated with the opening inner cavity II.

According to a further technical scheme, the linkage device comprises a main gear, a seat rack, a first rotating shaft, a driven helical gear, a rotating shaft, a gear, a lifting platform rack and a first groove; the main gear penetrates through the first notch to be meshed with the seat rack, the seat rack is arranged in the first groove, the first groove is arranged at two sides of the seat in the first opening inner cavity, the first groove in the first opening inner cavity is symmetrically arranged, the main gear is fixed at the lower end of the first rotating shaft, the first rotating shaft is connected with the upper end wall and the lower end wall of the second inner cavity in a rotating fit manner, the first rotating shaft is fixed with a driven helical gear, the driven helical gear is meshed with the helical gear, the helical gear is fixed on the second rotating shaft, the second rotating shaft is connected with the end walls of the two sides of the inner cavity in a rotating fit manner, a gear is fixedly arranged on the second rotating shaft, the gear penetrates through the second notch to be meshed with the lifting rack, a flip cover component for sealing the lifting platform is arranged at the upper side of the table, and the first opening inner cavity is, two symmetrical grooves II are formed in the end faces of two sides of the lifting platform, and the lifting rack is fixedly arranged in the end walls of the two grooves.

According to the technical scheme, the object placing device comprises a movable cover plate, pulleys, a sliding rail, a storage cavity and two line holes, the storage cavity is formed in the table, the two line holes are communicated with the storage cavity, the pulleys are installed on two sides of the movable cover plate, the pulleys are arranged in the sliding rail, and the sliding rail is communicated with end walls on two sides of the storage cavity.

According to the technical scheme, the flip assembly comprises a second storage cavity arranged in the lifting platform, the second storage cavity can contain a computer display screen, a third wire hole is formed in the bottom of the second storage cavity, the third wire hole is communicated with the first wire hole, the cover plate is arranged at the top of the second opening inner cavity, and the bottom of the cover plate is rotatably connected with the second opening inner cavity.

According to a further technical scheme, the cleaning device comprises a frame, a handle, a cleaning block, a cleaning opening, a first spring and a cross rod; the rack is arranged in the first inner cavity, the top end of the rack is rotatably connected with the top end of the front side of the first inner cavity, the bottoms of the tail ends of two sides of the rack are provided with a first spring, the other side of the first spring is connected with the first inner cavity, the middle of the front end of the rack is provided with a handle, the handle is provided with a cross rod, and the handle penetrates through the first inner cavity; the table bottom is provided with a plurality of cleaning openings, the cleaning openings are communicated with the first inner cavity, the frame is provided with cleaning blocks, and the cleaning openings are connected with the cleaning blocks in a sliding fit mode.

According to a further technical scheme, the rotary backrest device comprises a locking assembly used for adjusting the angle of the backrest, an extension backrest, a third opening cavity, a third rotating shaft and a rotary connecting assembly used for realizing linkage of the backrest and the extension backrest; a third rotating shaft is fixedly arranged at the bottom of the backrest, and two ends of the third rotating shaft are rotatably connected with the inner wall of the fourth groove; an opening inner cavity III is formed in the backrest, the opening inner cavity III is connected with the extension backrest in a sliding fit mode, the backrest is connected with the extension backrest through the rotary connecting device, and the rotary connecting device is located on two sides of the opening inner cavity III; the locking assembly is located on one side of the backrest.

According to a further technical scheme, the rotating connection assembly comprises a fixed bevel gear, a driving bevel gear, a notch four, a worm gear, a rotating shaft four, an extending backrest rack and a groove three; the fixed bevel gear is fixed on the inner wall of the groove III, the fixed bevel gear penetrates through the rotating shaft III, a worm is arranged between the upper end wall and the lower end wall of the opening inner cavity III in a rotating mode, a driving bevel gear is fixed at the bottom of the worm, the driving bevel gear penetrates through the notch IV to be meshed with the fixed bevel gear, the notch IV is arranged at the bottom of the backrest and communicated with the opening inner cavity III, the top of the worm is meshed with the worm gear, the worm gear is fixed on the rotating shaft IV, the rotating shaft IV is connected with the end walls on the two sides of the opening inner cavity III in a rotating matching mode, a matching gear is arranged on the rotating shaft IV and meshed with the extending backrest rack, the extending backrest rack is arranged in the groove III, and the groove III is arranged on the two sides of.

According to a further technical scheme, the locking assembly comprises a fixed block, a third inner cavity, a moving block, a hollow column, a pull rope, a convex column, a second spring, a guide groove, a hole and a lock hole; the fixed block is fixed on the outer side of the backrest, an inner cavity III is arranged in the fixed block, a moving block is arranged in the inner cavity III in a sliding and clamping manner, the other end of the moving block is connected with the pull rope, the pull rope penetrates through the inner part of the hollow column, the guide groove and the second spring, the other end of the pull rope is fixed with the convex column, the hollow column is fixed outside the backrest and is on the same horizontal line with the fixed block, the guide groove is arranged in the two sides of the backrest, the hollow column is communicated with the guide groove, the second spring is arranged in the hole, the hole is communicated with the guide groove, the hole is arranged at two sides of the backrest, the convex column is connected with the hole in a sliding fit manner, the convex column is elastically connected with the holes through the second springs, a plurality of lock holes are communicated in the end walls of the four sides of the groove, and the lock holes are installed and clamped with the convex column.

According to the further technical scheme, the desk is provided with the drawer, and the seat is provided with the cabinet and the large drawer.

The invention has the beneficial effects that: desk and seat integral type, thereby the seat passes through aggregate unit with the elevating platform of placing the display screen and connects the display screen and can realize going up and down through removing the seat, can clean the ground below the seat through cleaning device, and backrest length and angle can be adjusted through rotating the backrest device to the backrest, have one on the table to put the thing device and can place the equipment of advantages such as keyboard and mouse.

The advantages are as follows:

1. the seat can be placed in the opening cavity below the table, the table is better in space saving and more attractive, and the table and the seat are provided with the drawers, the cabinet and the big drawers, so that more articles can be stored, and the space utilization rate is larger.

2. The seat is connected with the lifting platform through the linkage device, when the seat is pulled outwards, a seat rack on the seat is in meshing transmission with the main gear, the gear is in meshing transmission with the lifting platform rack of the lifting platform through the power transmission of the first rotating shaft, the driven helical gear, the helical gear and the second driving shaft, so that the lifting platform moves upwards, the display screen is exposed outside and can be seen, and when the seat is pushed back into the inner cavity of the opening, the lifting platform moves downwards to store the display screen, and therefore better protection and dust accumulation prevention can be achieved.

3. When the feet pull the seat outwards through the handle, the frame moves downwards when the feet exert force downwards, so that the cleaning block on the frame extends out of the cleaning opening to be contacted with the ground, meanwhile, the seat moves outwards, so that the ground below the table can be cleaned through the cleaning block, when the seat is pushed back to the opening inner cavity, the garbage just cleaned is exposed outside, and then the garbage is swept, so that the garbage below the table can be cleaned more easily.

4. The moving block is forcibly moved towards the inner part of the inner cavity III by grasping the moving block by hands, the convex column retracts through the pull rope at the moment, when the position is proper, the hands are released, and the convex column is rebounded through the spring II and clamped into the lock hole, so that the effect of fixing the backrest is achieved; simultaneously, the hand pulls the backrest through the locking assembly, when the backrest rotates, the fixed bevel gear and the driving bevel gear are in meshing transmission, the worm is in meshing transmission with the extending backrest rack through the power transmission of the worm, so that the extending backrest can ascend and descend along with the rotation of the backrest, the contact area of the backrest can be larger due to the rising of the extending backrest, and people can feel more comfortable.

5. The movable cover plate is moved to open and close the object device; when will use keyboard and mouse, open and put the thing device, take out keyboard and mouse, the line hole is passed to the line of mouse and keyboard, then closes and puts the thing device, puts keyboard and mouse and uses on removing the apron, when need not use keyboard and mouse, opens and puts the thing device, puts back the storing intracavity to keyboard and mouse, then closes and puts the thing device, and mouse and keyboard can be better prevent the laying dust like this.

Drawings

FIG. 1 is a schematic diagram of the apparatus of the present invention;

FIG. 2 is an expanded schematic view of the apparatus configuration of the present invention;

FIG. 3 is an expanded cross-sectional view of the device structure of the present invention;

FIG. 4 is an enlarged view of the direction A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view in the direction B of FIG. 3 according to the present invention;

FIG. 6 is an enlarged view taken along the direction C in FIG. 3 according to the present invention;

FIG. 7 is an enlarged view in the direction D of FIG. 3 according to the present invention;

FIG. 8 is an enlarged view in the direction E of FIG. 3 according to the present invention;

FIG. 9 is an enlarged view in the direction F of FIG. 3 according to the present invention;

FIG. 10 is an expanded cross-sectional view of the device structure of the present invention;

FIG. 11 is an enlarged view in the direction G of FIG. 10 according to the present invention;

FIG. 12 is an enlarged view taken along direction H in FIG. 10 according to the present invention;

FIG. 13 is an enlarged view taken along the direction I in FIG. 10 according to the present invention;

FIG. 14 is an enlarged view in the direction J of FIG. 10 according to the present invention;

FIG. 15 is an expanded cross-sectional view of the device structure of the present invention;

FIG. 16 is an enlarged view taken along the direction K in FIG. 15 according to the present invention;

FIG. 17 is an enlarged view in the direction L of FIG. 15 in accordance with the present invention;

FIG. 18 is an enlarged view in the direction M of FIG. 15 according to the present invention;

in the drawings, a table 10, a seat 20, a linkage 129, a first opening cavity 107, a storage device 140, a second opening cavity 116, a flip cover assembly 110, a first cavity 225, a cleaning device 221, a pulley 260, a fourth groove 252, a backrest rotating device 201, a storage box 108, a first wire hole 112, a first storage cavity 109, a first notch 128, a second cavity 126, a second notch 125, a main gear 120, a seat rack 241, a first rotating shaft 121, a driven bevel gear 123, a bevel gear 122, a second rotating shaft 6, a gear 124, a lifting platform rack 111, a first groove 240, a movable cover plate 141, a pulley 145, a sliding rail 144, a storage cavity 143, a second wire hole 142, a lifting platform 117, a second groove 114, a second storage cavity 113, a third wire hole 118, a cover plate 101, a shelf 272, a handle 273, a cleaning block 271, a cleaning opening 261, a first spring 224, a cross bar 222, a locking assembly 203, an extending backrest 210, a backrest 274, a third opening, the rotating connecting assembly 275, the fixed bevel gear 217, the driving bevel gear 216, the notch four 215, the worm 214, the worm wheel 213, the rotating shaft four 212, the extending backrest rack 211, the groove three 276, the fixed block 291, the cavity three 292, the moving block 202, the hollow column 209, the pull rope 206, the convex column 205, the spring two 207, the guide groove 208, the hole 277, the lock hole 231, the drawer 2, the cabinet 3 and the large drawer 4.

Detailed Description

As shown in fig. 1 to 18, the present invention will be explained in detail, and for convenience of description, the following orientations will be defined as follows: the following up-down left-right front-back direction is consistent with the up-down left-right front-back direction of the projection relation of the figure 1, the multifunctional computer desk comprises a desk 10 and a seat 20, the desk 10 and the seat 20 are connected through a linkage device 129 for realizing linkage of the desk 10 and the seat 20, the linkage device 129 is symmetrically arranged, the lower part of the desk 10 is provided with a symmetrical first opening cavity 107, and the first opening cavity 107 can accommodate the seat 20; the top of the table 10 is provided with a storage device 140 for storing articles and a second opening cavity 116, and a lifting platform 117 is arranged in the second opening cavity 116 in a sliding manner; the bottom of the seat 20 is provided with a first inner cavity 225, a cleaning device 221 for cleaning the ground is arranged in the first inner cavity 225, and a pulley 260 is arranged below the seat 20; a groove four 252 is formed in the middle of the top of the seat 20, and a rotary backrest device 201 for adjusting the backrest is arranged in the groove four 252, so that the table 10 and the seat 20 can be overlapped, the lifting platform 117 can be lifted through the linkage 129 when the seat 20 moves, the ground under the table 10 can be cleaned through the cleaning device 221, and the backrest can be adjusted through rotating the backrest device 201.

Beneficially, the storage box 108 for placing the chassis is arranged at the lower portion of the table 10, the first wire hole 112 is formed in the top of the storage box 108, the first wire hole 112 is communicated with the second opening inner cavity 116, the first storage cavity 109 is formed in the storage box 108, the first storage cavity 109 is communicated with the first wire hole 112, the first storage cavity 109 can accommodate the chassis, and one side, close to the first opening inner cavity 107, of the storage box 108 is communicated with the first notch 128; the second inner cavity 126 is formed in the table 10, the second inner cavity 126 is communicated with the first notch 128, the second notch 125 is formed in the upper end of the second inner cavity 126, and the second notch 125 is communicated with the second opening inner cavity 116, so that the first storage cavity 109 can be used for placing a case, and meanwhile, the first wire hole 112 enables a computer wire to penetrate through.

Advantageously, the linkage 129 comprises, among other things, a main gear 120, a seat rack 241, a first rotating shaft 121, a driven bevel gear 123, a bevel gear 122, a second rotating shaft 6, a gear 124, a platform rack 111, a first recess 240; the main gear 120 penetrates through the first notch 128 to be meshed with the seat rack 241, the seat rack 241 is arranged in the first groove 240, the first groove 240 is arranged at two sides of the seat 20 in the first opening cavity 107, the first groove 240 in the first opening cavity 107 is symmetrically arranged, the main gear 120 is fixed at the lower end of the first rotating shaft 121, the first rotating shaft 121 is connected with the upper end wall and the lower end wall of the second opening cavity 126 in a rotating fit mode, the first rotating shaft 121 is fixed with the driven bevel gear 123, the driven bevel gear 123 is meshed with the bevel gear 122, the bevel gear 122 is fixed on the second rotating shaft 6, the second rotating shaft 6 is connected with the end walls of the two sides of the second opening cavity 126 in a rotating fit mode, the second rotating shaft 6 is vertically arranged between the second opening cavity 126, the gear 124 is fixedly arranged on the second rotating shaft 6, the gear 124 penetrates through the second notch 125 to be meshed with the lifting rack 111, two symmetrical grooves 114 are arranged on the two side end surfaces of the lifting platform 117, and the lifting rack 111 is fixedly arranged in the end walls of the two grooves 114, so that the lifting platform 117 and the seat 20 can be matched through the linkage 129.

Beneficially, wherein, the storage device 140 includes a movable cover plate 141, a pulley 145, a sliding rail 144, a storage cavity 143 and a second wire hole 142, the storage cavity 143 is disposed in the table 10, the second wire hole 142 is disposed in communication with the storage cavity 143, the pulleys 145 are disposed on two sides of the movable cover plate 141, the pulleys 145 are disposed in the sliding rail 144, the sliding rail 144 is disposed in communication with end walls on two sides of the storage cavity 143, so that the storage cavity 143 can be opened or closed by moving the movable cover plate 141, and the second wire hole 142 enables a computer wire to pass through, which does not affect the closing of the movable cover plate 141, and can be better used.

Beneficially, the flip cover assembly 110 includes a second storage cavity 113 disposed in the lifting platform 117, the second storage cavity 113 can accommodate a computer display, a third wire hole 118 is formed in the bottom of the second storage cavity 113, the third wire hole 118 is communicated with the first wire hole 112, the cover plate 101 is disposed on the top of the second open cavity 116, and the bottom of the cover plate 101 is rotatably connected with the second open cavity 116, so that a wire for placing the computer display in the second storage cavity 113 can penetrate through the third wire hole 118 and the first wire hole 112 to be connected with a chassis in the first storage cavity 109, and the cover plate 101 is rotatably connected with the second open cavity 116 at the bottom, so that the cover plate can be automatically ejected when the lifting platform 117 is lifted.

Advantageously, among other things, sweeper 221 includes a shelf 272, a handle 273, a cleaning block 271, a cleaning port 261, a first spring 224, a crossbar 222; the shelf 272 is arranged in the first cavity 225, the top end of the shelf 272 is rotatably connected with the top end of the front side of the first cavity 225, the bottoms of the tail ends of the two sides of the shelf 272 are provided with the first spring 224, the other side of the first spring 224 is connected with the first cavity 225, the middle of the front end of the shelf 272 is provided with a handle 273, the handle 273 is provided with a cross bar 222, and the handle 273 penetrates through the first cavity 225; table 10 has cleaning port 261 at the bottom, cleaning port 261 is communicated with first cavity 225, cleaning block 271 is arranged on shelf 272, cleaning port 261 is connected with cleaning block 271 in a sliding fit manner, so that when handle 273 is applied with a downward force again, cleaning block 271 on shelf 272 can extend out of cleaning port 261 to contact with the ground, and when the force applied to handle 273 is not enough, cleaning block 271 is retracted into the cleaning port through first spring 224, cross bar 222 can enable the feet to be placed on handle 273 with better force.

Advantageously, among other things, the pivoting backrest device 201 includes a locking assembly 203 for adjusting the angle of the backrest, an extension backrest 210, a backrest 274, a third open cavity 204, a third pivot shaft 218 and a pivoting connection assembly 275 that provides linkage between the backrest 274 and the extension backrest 210; a third rotating shaft 218 is fixedly arranged at the bottom of the backrest 274, and two ends of the third rotating shaft 218 are rotatably connected with the inner wall of the fourth groove 252; an opening cavity III 204 is formed in the backrest 274, the opening cavity III 204 is connected with the extension backrest 210 in a sliding fit mode, the backrest 274 is connected with the extension backrest 210 through a rotating connecting device 275, and the rotating connecting device 275 is located on two sides of the opening cavity III 204; the lock assembly 203 is located on one side of the backrest 274 so that rotating the backrest 274 raises and lowers the extended backrest 274 by rotating the link 275. the lock assembly 203 can not only secure the backrest 274 but also act as a point of effort to pull the backrest 274 in rotation.

Advantageously, among other things, the rotational connection assembly 275 includes a fixed bevel gear 217, a drive bevel gear 216, a slot four 215, a worm 214, a worm gear 213, a rotational axis four 212, an extended back rack 211, a groove three 276; the fixed bevel gear 217 is fixed on the inner wall of the groove four 252, the fixed bevel gear 217 penetrates through the rotating shaft three 218, the worm 214 is rotatably arranged between the upper end wall and the lower end wall of the opening inner cavity three 204, the driving bevel gear 216 is fixed at the bottom of the worm 214, the driving bevel gear 216 penetrates through the notch four 215 to be meshed with the fixed bevel gear 217, the notch four 215 is arranged at the bottom of the backrest 274 and communicated with the opening inner cavity three 204, the top of the worm 214 is meshed with the worm wheel 213, the worm wheel 213 is fixed on the rotating shaft four 212, the rotating shaft four 212 is connected with the end walls of the two sides of the opening inner cavity three 204 in a rotating matching mode, the matching gear is arranged on the rotating shaft four 212 and meshed with the extending backrest rack 211, the extending backrest rack 211 is arranged in the groove three 276, the groove three 276 is arranged at the two sides.

Advantageously, the locking assembly 203 comprises a fixed block 291, a third cavity 292, a moving block 202, a hollow column 209, a pulling rope 206, a convex column 205, a second spring 207, a guide groove 208, a hole 277 and a locking hole 231; a fixed block 291 is fixed on the outer side of the backrest 274, a cavity three 292 is arranged in the fixed block 291, a moving block 202 is arranged in the cavity three 292 in a sliding and clamping mode, the other end of the moving block 202 is connected with a pull rope 206, the pull rope 206 penetrates through the inside of a hollow column 209, a guide groove 208 and a spring two 207, the other end of the pull rope 206 is fixed with a convex column 205, the hollow column 209 is fixed on the outside of the backrest 274 and is on the same horizontal line with the fixed block 291, the guide groove 208 is arranged inside the two sides of the backrest 274, the hollow column 209 is communicated with the guide groove 208, the spring two 207 is arranged in a hole 277, the hole 277 is communicated with the guide groove 208, the hole 277 is arranged on the two sides of the backrest 274, the convex column 205 is connected with a hole 277 in a sliding and matching mode, the convex column 205 is elastically connected with the hole 277 through the spring two 207, a plurality of lock holes 231 are arranged in the, when the backrest 274 is fixed, the moving block 202 is released, and the convex column 205 and the lock hole 231 are clamped through the second spring 207.

Advantageously, wherein the table 10 is provided with drawers 2 and the seat 20 is provided with cabinets 3 and large drawers 4, the table 10 and said seat 20 can be provided with more space for placing objects.

In an initial state, the above devices, components and structures are in a stop working state, the seat 20 is arranged in the first opening cavity 107 of the table 10, the case is arranged in the first storage cavity 109, the display screen can be arranged on the lifting platform 117, the mouse and the keyboard are arranged in the storage cavity 143, wires of the case, the display screen, the keyboard and the mouse are connected through the third wire hole 118, the first wire hole 112 and the second wire hole 142, and articles can be placed in the cabinet 3, the large drawer 4 and the drawer 2.

When the equipment works, feet are placed on the handle 273, the instep of the foot abuts against the cross rod 222, then the feet are pulled backwards simultaneously by downward force, at the moment, the seat 20 moves backwards, the lifting platform 117 is driven to ascend through the linkage 129, the lifting platform 117 can automatically push the cover plate 101 open in the rising process, meanwhile, the cleaning blocks 271 on the rack 272 extend out of the cleaning opening 261 to be contacted with the ground due to the downward force of the feet, and when the feet exert force backwards, the cleaning blocks 271 can clean the ground through the movement of the seat 20.

When the seat 20 is completely pulled open, the feet are released, the cleaning block 271 on the rack 272 can retract into the cleaning port through the first spring 224, the display screen on the lifting platform 117 can be completely seen, then the moving block 202 is pinched by hands to exert force in the direction of the third cavity 292, the moving block 202 is retracted into the third cavity 292, at the moment, the moving block 202 is pulled by hands to rotate the backrest 274 outwards, the extension backrest 210 extends outwards through the rotating connecting component 275 when the backrest 274 rotates outwards, the convex columns 205 are aligned with the locking holes 231 when the backrest is pulled to a favorite angle, at the moment, the hands are loosened to ensure that the convex columns 205 are inserted into the locking holes 231, so that the backrest 274 is fixed, at the moment, the extension backrest 210 is extended, the area of the backrest 274 can be increased, people can sit more comfortably, a plurality of the locking holes 231 can be adjusted according to individual requirements, then the cover plate 141 is moved outwards to take out the mouse keyboard in the storage cavity 143, then the movable cover plate 141 is moved inwards, so that the movable cover plate 141 completely covers the storage cavity 143, the connecting wire of the keyboard and mouse penetrates through the wire hole II 142, and finally the keyboard and mouse are placed on the movable cover plate 141.

When the use is finished, the movable cover plate 141 is moved outwards to place the keyboard mouse back into the storage cavity 143, after the placement is finished, the movable cover plate 141 is moved forwards to enable the movable cover plate 141 to completely cover the storage cavity 143, then the movable block 202 is pinched by hands to exert force in the direction of the inner cavity 292, the movable block 202 is retracted into the third inner cavity 292, at the moment, the backrest 274 is rotated downwards by the downward force of the hands, the extended backrest 210 is retracted inwards by rotating the connecting assembly 275 when the backrest 274 rotates downwards, the backrest 274 is completely retracted into the fourth groove 252, then the hands are released, the extended backrest 210 is retracted into the third open inner cavity 204 completely, finally the seat 20 is pushed inwards to enable the seat 20 to return into the first open inner cavity 107, the lifting platform 117 is driven by the linkage device 129 when the seat 20 moves inwards, the lifting platform 117 moves downwards, the cover plate 101 is not supported by the lifting platform 117 and can automatically rotate downwards, and when the seat 20 returns into the first open inner cavity 107, the lifting platform 117 is also completely retracted into the second opening inner cavity 116, the cover plate 101 covers the second opening inner cavity 116 and is parallel to the desktop, at the moment, the desktop of the desk 10 is not provided with a display screen, a keyboard and a mouse, the desktop can be cleaned more easily, dust cannot be accumulated on the display screen, the keyboard and the mouse under the condition of long-time non-use, the display screen, the keyboard and the mouse can be better protected, when the seat 20 returns to the first opening inner cavity 107, dust which is just cleaned when the seat 20 is pulled out can appear on the ground, and then the dust on the ground can be cleaned.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the table 10, the seat 20, the linkage 129, the first open cavity 107, the storage device 140, the second open cavity 116, the flip assembly 110, the first cavity 225, the cleaning device 221, the pulley 260, the fourth groove 252, the backrest rotating device 201, the storage box 108, the first wire hole 112, the first storage cavity 109, the first notch 128, the second cavity 126, the second notch 125, the main gear 120, the seat rack 241, the first rotating shaft 121, the driven bevel gear 123, the bevel gear 122, the second rotating shaft 6, the gear 124, the lifting platform rack 111, the first groove 240, the movable cover plate 141, the pulley 145, the sliding rail 144, the storage cavity 143, the second wire hole 142, the lifting platform 117, the second groove 114, the second storage cavity 113, the third storage 118, the cover plate 101, the frame 272, the handle 273, the cleaning block 271, the cleaning opening 261, the first spring 224, the cross bar 222, the locking assembly 203, the extending backrest 210, the backrest 274, the third open cavity 204, rotating shaft three 218, rotating connecting assembly 275, fixed bevel gear 217, drive bevel gear 216, notch four 215, worm 214, worm gear 213, rotating shaft four 212, extended backrest rack 211, groove three 276, fixed block 291, cavity three 292, moving block 202, hollow post 209, pull rope 206, boss 205, spring two 207, guide groove 208, hole 277, lock hole 231, drawer 2, cabinet 3, large drawer 4 and other terms, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. A multifunctional computer desk, characterized in that, comprises a desk (10) and a seat (20), the desk (10) and the seat (20) are connected through a linkage device (129) for realizing linkage of the desk (10) and the seat (20), the linkage device (129) is symmetrically arranged, the lower part of the desk (10) is provided with a symmetrical first opening cavity (107), and the first opening cavity (107) can accommodate the seat (20);

the top of the table (10) is provided with an article placing device (140) for placing articles and a second opening inner cavity (116), and a lifting table (117) is arranged in the second opening inner cavity (116) in a sliding manner;

a first inner cavity (225) is formed at the bottom of the seat (20), a cleaning device (221) for cleaning the ground is arranged in the first inner cavity (225), and a pulley (260) is arranged below the seat (20);

the middle of the top of the seat (20) is provided with a groove IV (252), and a rotary backrest device (201) for adjusting the backrest is arranged in the groove IV (252).

2. A multifunctional computer desk as recited in claim 1, wherein: a first object placing box body (108) used for placing the chassis is arranged at the lower part of the table (10), a first wire hole (112) is formed in the top of the first object placing box body (108), the first wire hole (112) is communicated with the second opening inner cavity (116), a first object placing cavity (109) is formed in the first object placing box body (108), the first object placing cavity (109) is communicated with the first wire hole (112), the first object placing cavity (109) can contain the chassis, and a first notch (128) is formed in one side, close to the first opening inner cavity (107), of the first object placing box body (108) in a communicated mode;

an inner cavity II (126) is formed in the table (10), the inner cavity II (126) is communicated with the notch I (128), a notch II (125) is formed in the upper end of the inner cavity II (126), and the notch II (125) is communicated with the opening inner cavity II (116).

3. A multifunctional computer desk as claimed in claims 1 and 2, wherein: the linkage device (129) comprises a main gear (120), a seat rack (241), a first rotating shaft (121), a driven bevel gear (123), a bevel gear (122), a second rotating shaft (6), a gear (124), a lifting platform rack (111) and a first groove (240);

the main gear (120) penetrates through the first notch (128) to be meshed with the seat rack (241), the seat rack (241) is arranged in the first groove (240), the first groove (240) is arranged at two sides of the seat (20) in the first opening cavity (107), the first groove (240) in the first opening cavity (107) is symmetrically arranged, the main gear (120) is fixed at the lower end of the first rotating shaft (121), the first rotating shaft (121) is connected with the upper end wall and the lower end wall of the second cavity (126) in a rotating fit manner, the first rotating shaft (121) is fixed with the driven bevel gear (123), the driven bevel gear (123) is meshed with the bevel gear (122), the bevel gear (122) is fixed on the second rotating shaft (6), and the second rotating shaft (6) is connected with the two side end walls of the second cavity (126) in a rotating fit manner, a gear (124) is fixedly arranged on the second rotating shaft (6), the gear (124) penetrates through the second notch (125) and is meshed with the lifting rack (111), a flip component (110) used for sealing the lifting platform (117) is arranged on the upper side of the table (10), the first opening inner cavity (107) is connected with the seat (20) in a sliding fit mode, two symmetrical grooves (114) are formed in the end faces of two sides of the lifting platform (117), and the lifting rack (111) is fixedly arranged in the end wall of the second groove (114).

4. A multifunctional computer desk as recited in claim 1, wherein: put thing device (140) including removing apron (141), pulley (145), slide rail (144), storing chamber (143) and line hole two (142), storing chamber (143) set up in table (10), line hole two (142) with storing chamber (143) intercommunication sets up, remove apron (141) both sides and be equipped with pulley (145), pulley (145) are in slide rail (144), slide rail (144) with storing chamber (143) both sides end wall intercommunication sets up.

5. A multifunctional computer desk as recited in claim 3, wherein: flip subassembly (110) including set up in put thing chamber two (113) in elevating platform (117), put thing chamber two (113) and can hold computer display, put the bottom in thing chamber two (113) and have line hole three (118), line hole three (118) with line hole (112) are linked together, apron (101) are in the top of opening inner chamber two (116), the bottom of apron (101) with opening inner chamber two (116) rotate and are connected.

6. A multifunctional computer desk as recited in claim 1, wherein: the sweeping device (221) comprises a frame (272), a handle (273), a cleaning block (271), a cleaning opening (261), a first spring (224) and a cross bar (222);

the shelf (272) is arranged in the first inner cavity (225), the top end of the shelf (272) is rotatably connected with the top end of the front side of the first inner cavity (225), the bottoms of the tail ends of two sides of the shelf (272) are provided with a first spring (224), the other side of the first spring (224) is connected with the first inner cavity (225), a handle (273) is arranged in the middle of the front end of the shelf (272), a cross rod (222) is arranged on the handle (273), and the handle (273) penetrates through the first inner cavity (225);

the bottom of the table (10) is provided with a plurality of cleaning openings (261), the cleaning openings (261) are communicated with the first inner cavity (225), cleaning blocks (271) are arranged on the shelf (272), and the cleaning openings (261) are connected with the cleaning blocks (271) in a sliding fit mode.

7. A multifunctional computer desk as recited in claim 1, wherein: the rotary backrest device (201) comprises a locking assembly (203) for adjusting the backrest angle, an extension backrest (210), a backrest (274), a third opening cavity (204), a third rotary shaft (218) and a rotary connecting assembly (275) for realizing linkage of the backrest (274) and the extension backrest (210);

a third rotating shaft (218) is fixedly arranged at the bottom of the backrest (274), and two ends of the third rotating shaft (218) are rotatably connected with the inner wall of the fourth groove (252);

an opening cavity III (204) is formed in the backrest (274), the opening cavity III (204) is connected with the extension backrest (210) in a sliding fit mode, the backrest (274) is connected with the extension backrest (210) through the rotating connecting device (275), and the rotating connecting device (275) is located on two sides of the opening cavity III (204);

the locking assembly (203) is located on a side of the backrest (274).

8. A multifunctional computer desk as recited in claim 7, wherein: the rotary connecting assembly (275) comprises a fixed bevel gear (217), a driving bevel gear (216), a notch four (215), a worm (214), a worm wheel (213), a rotating shaft four (212), an extending backrest rack (211) and a groove three (276);

the fixed bevel gear (217) is fixed on the inner wall of the groove III (252), the fixed bevel gear (217) penetrates through the rotating shaft III (218), a worm (214) is arranged between the upper end wall and the lower end wall of the opening inner cavity III (204) in a rotating mode, a driving bevel gear (216) is fixed at the bottom of the worm (214), the driving bevel gear (216) penetrates through a notch IV (215) to be meshed with the fixed bevel gear (217), the notch IV (215) is communicated with the opening inner cavity III (204) at the bottom of the backrest (274), the top of the worm (214) is meshed with the worm wheel (213), the worm wheel (213) is fixed on the rotating shaft IV (212), the rotating shaft IV (212) is connected with the end walls on the two sides of the opening inner cavity III (204) in a rotating and matching mode, a matching gear is arranged on the rotating shaft IV (212), and the matching gear is meshed with the extending backrest rack (211), the extended back rack (211) is within the groove three (276), the groove three (276) being on both sides of the extended back (210).

9. A multifunctional computer desk as recited in claim 7, wherein: the locking assembly (203) comprises a fixed block (291), a third inner cavity (292), a moving block (202), a hollow column (209), a pull rope (206), a convex column (205), a second spring (207), a guide groove (208), a hole (277) and a lock hole (231);

the fixed block (291) is fixed on the outer side of the backrest (274), a third inner cavity (292) is formed in the fixed block (291), a moving block (202) is arranged in the third inner cavity (292) in a sliding and clamping mode, the other end of the moving block (202) is connected with the pull rope (206), the pull rope (206) penetrates through the inner portion of the hollow column (209), the guide groove (208) and the second spring (207), the other end of the pull rope (206) is fixed with the convex column (205), the hollow column (209) is fixed on the outer portion of the backrest (274) and is on the same horizontal line with the fixed block (291), the guide groove (208) is arranged in the inner portions of two sides of the backrest (274), the hollow column (209) is communicated with the guide groove (208), the second spring (207) is arranged in the hole (277), and the hole (277) is communicated with the guide groove (208), hole (277) are in the both sides of back (274), projection (205) with hole (277) sliding fit connects, projection (205) with pass through between hole (277) spring two (207) elastic connection, the intercommunication is provided with a plurality of lockholes (231) in the four (252) both sides end wall of recess, lockhole (231) with projection (205) dress card sets up.

10. A multifunctional computer desk as recited in claim 1, wherein: the table (10) is provided with a drawer (2), and the seat (20) is provided with a cabinet (3) and a large drawer (4).