CN114431603A

CN114431603A - Office table with folding function and convenient to arrange

Info

Publication number: CN114431603A
Application number: CN202210065339.4A
Authority: CN
Inventors: 曾会周
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-05-06

Abstract

The invention relates to an office table, in particular to an office table with a folding function and convenience in arrangement. The office table which is convenient to disassemble and assemble, integrally designed, provided with the folding function and convenient to arrange is provided. The invention is realized by the following technical approaches: the utility model provides an office table with folding function is convenient for arrange in order, including placing the board, first connection frame, fixed plate, rotor plate, second connection frame, connecting rod etc. place board bottom right side and be equipped with first connection frame, place the board and be used for placing article to do official working, the movable connecting rod that is equipped with of first connection frame upside, the connecting rod right-hand member is equipped with the second connection frame, it is equipped with the fixed plate to place the equal front and back symmetry in the board bottom outside, equal rotary type is equipped with the rotor plate that plays the supporting role to placing the board on the fixed plate. The rotor plate with place the design of board for non-detachable integral type, when being convenient for dismantle and assemble, still can avoid the risk that the rotor plate has the loss when can dismantle.

Description

Office table with folding function and convenient to arrange

Technical Field

The invention relates to an office table, in particular to an office table with a folding function and convenience in arrangement.

Background

The office table is a table which is convenient to work in daily life and work and social activities, and the existing office table is usually designed to be foldable in order to reduce the storage space when the office table is not used.

Patent application No. 201210565388.0 discloses a portable foldable office table, which comprises two symmetrical 'half tables', each 'half table' is composed of a table top, table legs and a positioning plate, four cuboid frames flush with the table sides are respectively connected with the back of the table, a vertical angle iron-shaped table leg seat is connected with the back of the table at the junction of each two frames at the outer side, two sides of the angle iron are respectively connected with two side frames, the height of the angle iron is flush with the frames, the back of the table at the junction of the angle iron and the two side frames is respectively connected with a trapezoidal positioning plate through hinges, a bolt is connected with the upper edge of the plate, a cuboid table leg is inserted into the table leg seat, a bolt seat is connected with the table leg at the position corresponding to the bolt, the bolt is inserted into the bolt seat, the two frames at the inner sides of the two 'half tables' are connected through hinges, a shelf drawer is connected with the back of each 'half table', the office table is very fast in disassembly and assembly, very convenient, nevertheless this desk is folding during operation, need directly dismantle the table leg get off, so deposit often forget the table leg position after long, increase the loss risk of table leg, and then make this desk can't use.

In view of the technical problems, the office table which is convenient to disassemble and assemble, is designed in an integrated mode, has the folding function and is convenient to arrange is designed.

Disclosure of Invention

In order to overcome the current collapsible desk and need directly dismantle the table leg get off when folding, so deposit often to forget the table leg position after a long time, increase the loss risk of table leg, and then make the shortcoming that this desk can't use, provide a convenient to detach and equipment and the desk that has folding function and be convenient for arrange that as an organic whole designed.

The invention is realized by the following technical approaches: the utility model provides a desk with folding function is convenient for arrange in order, including placing the board, first connection frame, the fixed plate, the rotor plate, the second connection frame, connecting rod and fender ring, it is equipped with first connection frame to place board bottom right side, it is used for placing article to official working to place the board, the movable connecting rod that is equipped with of first connection frame upside, the connecting rod right-hand member is equipped with the second connection frame, second connection frame top is equipped with a same board of placing, the connecting rod middle part is equipped with the fender ring, it is equipped with the fixed plate to place the equal front and back symmetry in board bottom outside, equal rotary type is equipped with the rotor plate that plays the supporting role to placing the board on the fixed plate, still including locking mechanical system and supporting mechanism, the connecting rod left side is equipped with locking mechanism, it can carry out the supporting mechanism that fixes to the rotor plate to place to be equipped with on the board.

In a preferred embodiment of the present invention, the locking mechanism includes a first sliding sleeve, a position-retaining rod and a first spring, the first sliding sleeve is symmetrically arranged on the left side of the connecting rod, the position-retaining rod is slidably arranged in the middle of the first sliding sleeve, the first spring is connected between the inner side of the position-retaining rod and the adjacent first sliding sleeve, and the position-retaining holes engaged with the position-retaining rod are symmetrically arranged on the upper and lower sides of the first connecting frame.

In a preferred embodiment of the present invention, the supporting mechanism includes a torsion spring, a second sliding sleeve, a blocking plate and a second spring, the torsion springs are symmetrically connected between the rotating plate and the adjacent fixing plate, the second sliding sleeve is symmetrically arranged on the outer side of the bottom of the placing plate, the second sliding sleeve is located on the outer side of the fixing plate, the blocking plate capable of blocking the rotating plate is slidably arranged on the second sliding sleeve, the second spring is connected between the blocking plate and the adjacent second sliding sleeve, and the upper side of the rotating plate is provided with a blocking hole engaged with the blocking plate.

In a preferred embodiment of the invention, the dust scraping mechanism is also included and can scrape dust on the surface of the placing plate, the dust scraping mechanism comprises a connecting plate, a first sliding plate, a third spring, a second sliding plate, a fourth spring, a driving rod and a bevel rod, the connecting plate is symmetrically arranged at the bottom of the placing plate in the front-back direction, the first sliding plate is arranged at the inner side of the connecting plate in a sliding manner, the third spring is connected between the first sliding plate and the adjacent connecting plate, the second sliding plate which can scrape the dust on the surface of the placing plate when moving outwards is connected between the first sliding plates at the left side and the right side in a sliding manner, the fourth spring is connected between the second sliding plate and the adjacent first sliding plate, the driving rod is symmetrically arranged at the bottom of the right side second sliding plate in the front-back direction, the bevel rod is symmetrically arranged at the front-back side of the bottom of the left side placing plate, the driving rod is contacted with the adjacent bevel rod, and the driving rod is contacted with the left side second sliding plate, the inner sides of the placing plates are all provided with clamping grooves matched with the second sliding plates.

In a preferred embodiment of the present invention, the adjusting mechanism is further included, the adjusting mechanism is capable of adjusting the height of the placing plate, the adjusting mechanism includes a third sliding plate, a third sliding sleeve, a sliding rod and a fifth spring, the third sliding plate is slidably disposed on the rotating plate, the third sliding plate pulls the rotating plate to move when the third sliding plate contacts with the ground, so as to adjust the height of the placing plate, the third sliding sleeve is disposed on the outer side of the upper portion of the third sliding plate, sliding rods capable of locking the position of the rotating plate are slidably disposed in the middle of the third sliding sleeve, the fifth spring is connected between each sliding rod and the adjacent third sliding sleeve, each sliding rod is connected to the adjacent third sliding plate, and at least two sliding holes engaged with the sliding rods are formed in the rotating plate.

In a preferred embodiment of the present invention, the driving mechanism is further included, the driving mechanism is capable of automatically rotating the rotating plate, the driving mechanism includes a first driving plate, a second driving plate and a third driving plate, the first driving plate is disposed on each of the left side blocking plates, the first driving plate moves leftwards when the right side placing plate moves downwards, the second driving plate is disposed on each of the right side blocking plates, the third driving plates are symmetrically disposed on the front and back of the right side of the bottom of the left side placing plate, the third driving plate is capable of moving rightwards while the second driving plate moves downwards, and the third driving plate is disposed on the left side of the slope rod.

In a preferred embodiment of the invention, the fixing device further comprises a fixing mechanism capable of fixing when the two placing plates rotate to approach, the fixing mechanism comprises a locking rod, a third connecting frame, a locking plate and a sixth spring, the locking rod is arranged in the middle of the bottom of the left placing plate, the third connecting frame is arranged on the right side of the bottom of the right placing plate, the locking plate capable of being clamped by the locking rod is arranged in the middle of the third connecting frame in a sliding mode, and the sixth spring is connected between the right side of the locking plate and the third connecting frame.

In a preferred embodiment of the invention, the distance between every two adjacent sliding holes on the rotating plate is 5cm-15 cm.

The invention has the following advantages: 1. block the rotor plate through the screens board, can make the rotor plate play when supporting the effect to placing the board at vertical state, can not take place to rotate, so can avoid this desk to have the situation that collapses in the use.

2. The rotor plate with place the design of board for non-detachable integral type, when being convenient for dismantle and assemble, still can avoid the risk that the rotor plate has the loss when can dismantle.

3. When the two placing plates are folded together, the second sliding plate can move outwards, so that dust on the placing plates can be scraped off, and manual operation can be reduced.

4. The user can adjust the height of placing the board as required, and rethread slide bar blocks the rotor plate afterwards alright to the high fixed of placing the board, so can improve the practicality of this desk.

5. When carrying out two folding jobs of placing the board, drive board alright automatic messenger's screens board through first drive board, second drive board and third and loosen the rotor plate, the rotor plate alright automatic rotation resets, and then reduction manual operation that can step forward.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional perspective view of the present invention.

Fig. 3 is a schematic perspective view of the locking mechanism of the present invention.

Fig. 4 is a schematic cross-sectional perspective view of the locking mechanism of the present invention.

Fig. 5 is a schematic perspective view of a first supporting mechanism of the present invention.

Fig. 6 is a schematic perspective view of a second supporting mechanism according to the present invention.

Fig. 7 is a schematic cross-sectional perspective view of the supporting mechanism of the present invention.

Fig. 8 is a schematic perspective view of a first ash scraping mechanism according to the present invention.

Fig. 9 is a schematic perspective view of a second ash scraping mechanism according to the present invention.

Fig. 10 is a schematic perspective view of a third exemplary embodiment of an ash scraping mechanism of the present invention.

Fig. 11 is a schematic perspective view of an adjusting mechanism according to the present invention.

Fig. 12 is a schematic sectional perspective view of an adjusting mechanism of the present invention.

Fig. 13 is a schematic perspective view of a first driving mechanism according to the present invention.

Fig. 14 is a schematic perspective view of a second driving mechanism according to the present invention.

Fig. 15 is a schematic perspective view of the fixing mechanism of the present invention.

Fig. 16 is a schematic cross-sectional perspective view of the fastening mechanism of the present invention.

Wherein the figures include the following reference numerals: 1. a placing plate 2, a first connecting frame 21, a fixed plate 22, a rotating plate 3, a second connecting frame 4, a connecting rod 5, a baffle ring 6, a locking mechanism 61, a first sliding sleeve 62, a clamping rod 63, a first spring 7, a supporting mechanism 73, a torsion spring 74, a second sliding sleeve 75, a clamping plate 76, a second spring 8, a dust scraping mechanism 81, a connecting plate 82, a first sliding plate 83, a third spring, 84, a second sliding plate, 85, a fourth spring, 86, a driving rod, 87, a slope rod, 9, an adjusting mechanism, 91, a third sliding plate, 92, a third sliding sleeve, 93, a sliding rod, 94, a fifth spring, 10, a driving mechanism, 101, a first driving plate, 102, a second driving plate, 103, a third driving plate, 11, a fixing mechanism, 1101, a locking rod, 1102, a third connecting frame, 1103, a locking plate, 1104 and a sixth spring.

Detailed Description

The invention is further illustrated by the following specific examples in which, unless otherwise explicitly stated and limited, terms such as: the arrangement, installation, connection are to be understood broadly, for example, they may be fixed, detachable, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

An office table with folding function and convenient arrangement is disclosed, and shown in the figure 1-4, comprising a placing plate 1, a first connecting frame 2, a fixed plate 21, a rotating plate 22, a second connecting frame 3, a connecting rod 4, a baffle ring 5, a locking mechanism 6 and a supporting mechanism 7, wherein the right side of the bottom of the placing plate 1 is fixedly connected with the first connecting frame 2 through a bolt, the placing plate 1 is used for placing articles for office work, the connecting rod 4 is movably arranged on the upper side of the first connecting frame 2, the right end of the connecting rod 4 is provided with the second connecting frame 3 through a welding mode, the top of the second connecting frame 3 is fixedly connected with a same placing plate 1 through a bolt, the baffle ring 5 is arranged in the middle of the connecting rod 4 through a welding mode, the fixed plate 21 is symmetrically arranged in the front and back direction at the outer side of the bottom of the placing plate 1 through a welding mode, the rotating plate 22 is arranged on the fixed plate 21, the rotating plate 22 plays a supporting role in supporting the placing plate 1, the left side of the connecting rod 4 is provided with a locking mechanism 6, the placing plate 1 is provided with a supporting mechanism 7, and the supporting mechanism 7 can fix the rotating plate 22.

Referring to fig. 4, the locking mechanism 6 includes a first sliding sleeve 61, a locking rod 62 and a first spring 63, the first sliding sleeve 61 is symmetrically arranged on the left side of the connecting rod 4 in a front-back direction by welding, the locking rod 62 is slidably arranged in the middle of the first sliding sleeve 61, the first spring 63 is connected between the inner side of the locking rod 62 and the adjacent first sliding sleeve 61, and the locking holes engaged with the locking rod 62 are symmetrically arranged on the upper and lower sides of the first connecting frame 2 in the front-back direction.

Referring to fig. 5, 6 and 7, the supporting mechanism 7 includes a torsion spring 73, a second sliding sleeve 74, a blocking plate 75 and a second spring 76, the torsion springs 73 are symmetrically connected between the rotating plate 22 and the adjacent fixed plate 21 in a front-back manner, the second sliding sleeve 74 is symmetrically arranged on the outer side of the bottom of the placing plate 1 in a front-back manner in a welding manner, the second sliding sleeve 74 is located on the outer side of the fixed plate 21, the blocking plate 75 is slidably arranged on the second sliding sleeve 74, the blocking plate 75 can block the rotating plate 22, the second spring 76 is connected between the blocking plate 75 and the adjacent second sliding sleeve 74, and the upper side of the rotating plate 22 is provided with a blocking hole engaged with the blocking plate 75.

When the office table is needed, the office table can be used, a user can place objects on the placing plate 1, the office can be carried out, the placing plate 1 is a plane, no baffle plate is arranged as other office tables, the objects on the office table can be easily arranged, the torsion spring 73 is in a deformation state initially, when the office table is not needed, the user can press the clamping rod 62 to move inwards, the first spring 63 is stretched, then the placing plate 1 on the right side can be pulled to move rightwards, the placing plate 1 on the right side moves rightwards to drive the second connecting frame 3, the connecting rod 4, the first sliding sleeve 61, the clamping rod 62, the first spring 63 and the baffle ring 5 to move rightwards, the fixing plate 21, the rotating plate 22, the torsion spring 73, the second sliding sleeve 74, the clamping plate 75 and the second spring 76 on the right side are also driven by the placing plate 1 on the right side moving rightwards, and after the connecting rod 4 cannot continue to move rightwards in the first connecting frame 2, the clamping plate 75 can be pulled to move outwards to loosen the rotating plate 22, the second spring 76 is compressed, the rotating plate 22 rotates inwards to approach each other under the action of the torsion spring 73, then the clamping plate 75 can be loosened, the clamping plate 75 can move inwards to a little distance to abut against the rotating plate 22 under the action of the second spring 76, then the placing plate 1 on the right side is pulled downwards, so that the second connecting frame 3, the connecting rod 4, the first sliding sleeve 61, the clamping rod 62, the first spring 63 and the baffle ring 5 can move downwards, when the clamping rod 62 moves to be matched with the clamping hole on the lower side, the clamping rod 62 moves outwards to be clamped into the clamping hole on the lower side under the action of the first spring 63, at the moment, the placing plate 1 on the right side can be rotated leftwards, so that the two placing plates 1 are folded together to be convenient to store, and when the placing plate 1 on the right side needs to be used again, the placing plate 1 on the right side is reversely rotated firstly to reset, press screens pole 62 to move to the inboard once more afterwards, first spring 63 is stretched, alright pull the placing plate 1 on right side earlier and move upwards, the leftwards movement that promotes the placing plate 1 on right side again resets afterwards, keep off ring 5 alright support first link frame 2, so represent and have moved to initial position, screens pole 62 outside under the effect of first spring 63 at this moment moves the screens downthehole that the card advances the upside to the outside, user alright rotate the rotor plate 22 and keep away from each other into vertical form, torsion spring 73 takes place deformation, screens board 75 moves the card inboard under the effect of second spring 76 and advances the screens downthehole of rotor plate 22, so can fix the rotor plate 22, and then be used for the official working again this moment.

Example 2

On the basis of embodiment 1, as shown in fig. 2, 8, 9 and 10, the dust scraping device 8 is further included, the dust scraping device 8 can scrape dust on the surface of the placing plate 1, the dust scraping device 8 includes a connecting plate 81, a first sliding plate 82, a third spring 83, a second sliding plate 84, a fourth spring 85, a driving rod 86 and a slope rod 87, the connecting plate 81 is arranged at the bottom of the placing plate 1 in a front-back symmetrical manner by welding, the first sliding plate 82 is arranged at the inner side of the connecting plate 81 in a sliding manner, the third spring 83 is connected between the first sliding plate 82 and the adjacent connecting plate 81, the second sliding plate 84 is connected between the first sliding plates 82 at the left and right sides in a sliding manner, the second sliding plate 84 can scrape dust on the surface of the placing plate 1 when moving outwards, the fourth spring 85 is connected between the second sliding plate 84 and the adjacent first sliding plate 82, the driving rod 86 is arranged at the bottom of the right second sliding plate 84 in a front-back symmetrical manner by welding, the left side is placed board 1 bottom right side front and back symmetry and is had inclined plane pole 87 through the bolt rigid coupling, drives pole 86 and all contacts with adjacent inclined plane pole 87, drives pole 86 and all contacts with left second sliding plate 84, places board 1 inboard and all opens the draw-in groove that agrees with second sliding plate 84.

When the two placing plates 1 are folded together, the third spring 83 is stretched initially, the right placing plate 1 moves rightwards to enable the driving rod 86 and the right connecting plate 81, the first sliding plate 82, the third spring 83, the second sliding plate 84 and the fourth spring 85 to move rightwards, when the driving rod 86 moves rightwards, the driving rod 86 moves upwards under the action of the inclined rod 87, the driving rod 86 moves upwards to drive the second sliding plate 84 to move upwards, the fourth spring 85 is compressed, the second sliding plate 84 moves upwards to be separated from the clamping groove of the placing plate 1, the driving rod 86 and the right first sliding plate 82, the second sliding plate 84 and the fourth spring 85 move rightwards under the action of the right third spring 83, the left first sliding plate 82, the second sliding plate 84 and the fourth spring 85 move leftwards under the action of the left third spring 83, the second sliding plate 84 moves, and the dust on the placing plates 1 can be scraped, then, the folding work of the placing board 1 can be started, when the office table needs to be used again, after the placing board 1 is unfolded and reset, the second sliding board 84 on the right side can be pulled to move leftwards, so that the driving rod 86 and the right first sliding plate 82 and the right fourth spring 85 are all moved to the left, the right third spring 83 is stretched, and when the right second sliding plate 84 is moved to be engaged with the right placing plate 1 slot, the driving rod 86 and the right second sliding plate 84 are moved downwards and reset under the action of the right fourth spring 85, and then the left second sliding plate 84 is pulled to drive the left fourth spring 85 and the first sliding plate 82 to move rightwards, the left third spring 83 is stretched, when the left second sliding plate 84 is moved to be matched with the clamping groove of the left placing plate 1, the left second sliding plate 84 is moved down to be returned by the left fourth spring 85.

Referring to fig. 2, 11 and 12, the adjustable structure 9 is further included, the adjustable structure 9 can adjust the height of the placing plate 1, the adjustable structure 9 includes a third sliding plate 91, a third sliding sleeve 92, a sliding rod 93 and a fifth spring 94, the third sliding plate 91 is slidably disposed on the rotating plate 22, the third sliding sleeve 92 is disposed on the outer side of the upper portion of the third sliding plate 91 in a welding manner, the sliding rod 93 is slidably disposed in the middle of the third sliding sleeve 92, the sliding rod 93 can block the position of the rotating plate 22, the fifth spring 94 is connected between the sliding rod 93 and the adjacent third sliding sleeve 92, the sliding rod 93 is slidably connected with the adjacent third sliding plate 91, five sliding holes engaged with the sliding rod 93 are formed in the rotating plate 22, and the distance between every two adjacent sliding holes is 10 cm.

When this desk uses, if feel place the height of board 1 not high, the user still can adjust the height of placing board 1 as required, the user can pull slide bar 93 and move to the outside, fifth spring 94 is stretched, alright pulling rotor plate 22 drives fixed plate 21 and places board 1 rebound afterwards, rotor plate 22 moves to suitable position and when sliding hole aligns with slide bar 93, alright loosen slide bar 93, slide bar 93 moves the sliding hole that blocks the card and go into rotor plate 22 to the inboard under the effect of fifth spring 94, so can fix rotor plate 22, and be 10cm because of the interval between the sliding hole, still convenient to use person knows oneself and how much to placing the altitude mixture control of board 1.

Referring to fig. 2, 13 and 14, the automatic rotation device further comprises a driving mechanism 10, the driving mechanism 10 can enable the rotating plate 22 to automatically rotate, the driving mechanism 10 comprises a first driving plate 101, a second driving plate 102 and a third driving plate 103, the first driving plate 101 is arranged on the left side blocking plate 75 in a welding mode, the second driving plate 102 is arranged on the right side blocking plate 75 in a welding mode, the third driving plate 103 is fixedly connected to the right side of the bottom of the left side placing plate 1 in a front-back symmetrical mode through bolts, the third driving plate 103 can be in contact with the second driving plate 102, and the third driving plate 103 is located on the left side of the inclined rod 87.

When the placing plate 1 on the right moves rightwards, the second driving plate 102 is driven to move rightwards, and then the placing plate 1 on the right drives the second driving plate 102 to move downwards, under the action of the third driving plate 103, the second driving plate 102 drives the clamping plate 75 on the right to move rightwards to loosen the rotating plate 22 on the right, and when the placing plate 1 on the right moves downwards, the first driving plate 101 is extruded to drive the clamping plate 75 on the left to move leftwards to loosen the rotating plate 22 on the left, so when the placing plate 1 is folded, the rotating plate 22 can rotate automatically, when the office table is used again, the clamping plate 75 on the left can drive the first driving plate 101 to move rightwards to reset, and the clamping plate 75 on the right can drive the second driving plate 102 to move leftwards to reset.

Referring to fig. 2, 15 and 16, the fixing device 11 is further included, the fixing device 11 can fix two placing plates 1 when they rotate close to each other, the fixing device 11 includes a locking bar 1101, a third connecting frame 1102, a locking plate 1103 and a sixth spring 1104, the locking bar 1101 is fixedly connected to the middle of the bottom of the left placing plate 1 through a bolt, the third connecting frame 1102 is fixedly connected to the right side of the bottom of the right placing plate 1 through a bolt, the locking plate 1103 is slidably arranged in the middle of the third connecting frame 1102, the locking plate 1103 can be locked by the locking bar 1101, and the sixth spring 1104 is connected between the right side of the locking plate 1103 and the third connecting frame 1102.

When the two placing boards 1 are folded together, the placing board 1 on the right side is rotated to rotate the third connecting frame 1102, the locking plate 1103 and the sixth spring 1104, and when the locking plate 1103 is rotated to contact the locking lever 1101, the rotation is continued, the locking plate 1103 is moved to the right by the lockbar 1101, the sixth spring 1104 is stretched, and after the locking plate 1103 clears the lockbar 1101, the locking plate 1103 moves leftwards to be reset under the action of the sixth spring 1104, so that the two placing plates 1 can be fixed together through the locking plate 1103 and the locking lever 1101, the folded placing plates 1 are prevented from rotating away from each other easily due to external force, when the desk is used again, the locking plate 1103 can be pulled rightwards, the sixth spring 1104 is stretched, then the right placing plate 1 can be rotated, the locking plate 1103 is released, and the locking plate 1103 is moved leftwards to be reset under the action of the sixth spring 1104.

It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalents or equivalent changes fall within the protection scope of the present invention.

Claims

1. An office table with a folding function and convenient arrangement comprises a placing plate (1), a first connecting frame (2) and a fixing plate (21), rotor plate (22), second connecting frame (3), connecting rod (4) and fender ring (5), it is equipped with first connecting frame (2) to place board (1) bottom right side, it is used for placing article to official working to place board (1), first connecting frame (2) upside is movable is equipped with connecting rod (4), connecting rod (4) right-hand member is equipped with second connecting frame (3), second connecting frame (3) top is equipped with one the same board (1) of placing, connecting rod (4) middle part is equipped with fender ring (5), it is equipped with fixed plate (21) to place board (1) bottom outside equal longitudinal symmetry, equal rotary type is equipped with rotor plate (22) to placing board (1) and play the supporting role on fixed plate (21), characterized by: the rotary plate fixing device is characterized by further comprising a locking mechanism (6) and a supporting mechanism (7), wherein the locking mechanism (6) is arranged on the left side of the connecting rod (4), and the supporting mechanism (7) capable of fixing the rotary plate (22) is arranged on the placing plate (1).

2. The desk with the folding function and the convenient arrangement as claimed in claim 1, wherein: locking mechanical system (6) are including first sliding sleeve (61), screens pole (62) and first spring (63), connecting rod (4) left side front and back symmetry is equipped with first sliding sleeve (61), first sliding sleeve (61) middle part all is slided and is equipped with screens pole (62), screens pole (62) inboard all with adjacent first sliding sleeve (61) between be connected with first spring (63), the equal front and back symmetry of both sides is opened around first connecting frame (2) has the screens hole of agreeing with screens pole (62).

3. The desk with the folding function and the convenient arrangement as claimed in claim 2, wherein: supporting mechanism (7) are including torsion spring (73), second sliding sleeve (74), screens board (75) and second spring (76), equal front and back symmetric connection has torsion spring (73) between rotor plate (22) and adjacent fixed plate (21), place board (1) bottom outside equal front and back symmetry and be equipped with second sliding sleeve (74), second sliding sleeve (74) are in the fixed plate (21) outside, all slidingtype being equipped with screens board (75) that can block rotor plate (22) on second sliding sleeve (74), all be connected with second spring (76) between screens board (75) and adjacent second sliding sleeve (74), rotor plate (22) upside all opens the card hole that agrees with screens board (75).

4. The office table with the folding function and the convenient arrangement function as claimed in claim 3, which is characterized in that: the dust scraping mechanism (8) capable of scraping dust on the surface of the placing plate (1) comprises a connecting plate (81), first sliding plates (82), third springs (83), second sliding plates (84), fourth springs (85), driving rods (86) and inclined plane rods (87), the connecting plates (81) are symmetrically arranged at the front and back of the bottom of the placing plate (1), the first sliding plates (82) are arranged on the inner sides of the connecting plates (81) in a sliding mode, the third springs (83) are connected between the first sliding plates (82) and the adjacent connecting plates (81), the second sliding plates (84) capable of scraping dust on the surface of the placing plate (1) when moving outwards are connected between the first sliding plates (82) on the left side and the right side in a sliding mode, the fourth springs (85) are connected between the second sliding plates (84) and the adjacent first sliding plates (82), the driving rods (86) are symmetrically arranged at the front and back of the bottom of the second sliding plates (84) on the right side, inclined plane rods (87) are symmetrically arranged on the front and back of the right side of the bottom of the left placing plate (1), driving rods (86) are in contact with the adjacent inclined plane rods (87), the driving rods (86) are in contact with the left second sliding plate (84), and the inner side of the placing plate (1) is provided with clamping grooves matched with the second sliding plate (84).

5. The office table with the folding function and the convenient arrangement function as claimed in claim 4, which is characterized in that: also comprises an adjusting mechanism (9) which can adjust the height of the placing plate (1), the adjusting mechanism (9) comprises a third sliding plate (91) and a third sliding sleeve (92), slide bar (93) and fifth spring (94), all slidingtype third sliding plate (91) that is equipped with on rotor plate (22), pulling rotor plate (22) when third sliding plate (91) and ground contact just moves and just adjusts the height of placing board (1), third sliding plate (91) upper portion outside all is equipped with third sliding sleeve (92), third sliding sleeve (92) middle part all slidingtype is equipped with slide bar (93) that can block rotor plate (22) position, all be connected with fifth spring (94) between slide bar (93) and adjacent third sliding sleeve (92), slide bar (93) all with adjacent third sliding plate (91) sliding connection, all open two at least sliding hole that agree with slide bar (93) on rotor plate (22).

6. The desk with the folding function for facilitating the tidying as claimed in claim 5, wherein: the automatic rotation type automatic rotation device is characterized by further comprising a driving mechanism (10) capable of enabling the rotating plate (22) to automatically rotate, wherein the driving mechanism (10) comprises a first driving plate (101), a second driving plate (102) and a third driving plate (103), the first driving plate (101) is arranged on each left side clamping plate (75), the first driving plates (101) can move leftwards when the right side placing plate (1) moves downwards, the second driving plates (102) are arranged on the right side clamping plates (75), the third driving plates (103) are symmetrically arranged on the front and back of the right side of the bottom of the left side placing plate (1), the third driving plates (103) can move rightwards when the second driving plates (102) move downwards, and the third driving plates (103) are located on the left side of the inclined plane rod (87).

7. The desk with the folding function and the convenient arrangement as claimed in claim 6, wherein: the locking device is characterized by further comprising a fixing mechanism (11) capable of fixing when two placing plates (1) rotate to be close to each other, wherein the fixing mechanism (11) comprises a locking rod (1101), a third connecting frame (1102), a locking plate (1103) and a sixth spring (1104), the locking rod (1101) is arranged in the middle of the bottom of the left placing plate (1), the third connecting frame (1102) is arranged on the right side of the bottom of the right placing plate (1), the locking plate (1103) capable of being clamped by the locking rod (1101) is arranged in the middle of the third connecting frame (1102) in a sliding mode, and the sixth spring (1104) is connected between the right side of the locking plate (1103) and the third connecting frame (1102).

8. The desk with the folding function for facilitating tidying as claimed in claim 7, wherein: the distance between every two adjacent sliding holes on the rotating plate (22) is 5cm-15 cm.