CN112841897B

CN112841897B - Adjustable lifting multifunctional desk

Info

Publication number: CN112841897B
Application number: CN202110244278.3A
Authority: CN
Inventors: 吕平军
Original assignee: Jiangxi Meida Educational Equipment Group Co ltd
Current assignee: Jiangxi Meida Educational Equipment Group Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2022-07-29
Anticipated expiration: 2041-03-05
Also published as: CN112841897A

Abstract

The invention relates to a desk, in particular to an adjustable lifting multifunctional desk. The multifunctional lifting desk which is not required to waste a large amount of wood, is durable and is convenient for people to adjust the height and the angle is needed to be designed. An adjustable lifting multifunctional desk comprises: the bottom plate is symmetrically provided with side plates; the side sliding plate is arranged on the side plate in a sliding manner; the table plate is arranged between the two side sliding plates; and the lifting device is arranged between the bottom plate and the table plate and used for adjusting the height. According to the desk, the pull block is pulled to move rightwards, the pull block moves rightwards, the first rotating shaft is driven to rotate forwards through the steel wire rope, the middle sliding plate moves upwards and is matched with the side sliding plate to drive the desk plate to move upwards to a proper position, and people can place a proper amount of books or sundries in the sliding drawer, so that the desk can be conveniently adjusted in height by people.

Description

Adjustable lifting multifunctional desk

Technical Field

The invention relates to a desk, in particular to an adjustable lifting multifunctional desk.

Background

The desk is generally used by students, and the desks used for schools are unified into the desk from the eight-side desk in the earliest school hall. At present, most of existing desks are single desks processed by solid wood, the desks are convenient to process, a large amount of wood needs to be wasted, the desks are not durable, the sizes of students are different, the heights and angles of the existing desks are fixed, the human body bends to the desk and chair, and the pressure on eyes, neck and back is easily caused due to improper visual range and sitting posture.

How to design a height-adjustable multifunctional desk which does not waste a large amount of wood, is durable and is convenient for people to adjust the height and the angle, and the problem to be solved at present.

Disclosure of Invention

In order to overcome the defects that a desk made of solid wood wastes a large amount of wood, is not durable, has fixed height and angle and is easy to cause pressure on eyes, neck and back, the desk has the technical problems that: the height and angle adjustable multifunctional lifting desk is not required to waste a large amount of wood, is durable, and is convenient for people to adjust the height and the angle.

The technical implementation scheme of the invention is as follows: an adjustable lifting multifunctional desk comprises: the bottom plate is symmetrically provided with side plates; the side sliding plate is arranged on the side plate in a sliding manner; the table plate is arranged between the two side sliding plates; the lifting device is arranged between the bottom plate and the table plate and used for adjusting the height; receive the cabinet device, install on the table for accomodate.

Optionally, the lifting device comprises: the middle plate is arranged on the bottom plate; the middle sliding plate is arranged on the middle plate in a sliding mode and fixedly connected with the table plate; the fixed plate is embedded on the middle sliding plate; the sliding ratchet strip is arranged on the fixed plate in a sliding manner; the first return springs are symmetrically arranged between the fixed plate and the sliding ratchets; the protection plate is arranged on the middle plate; the first rotating shaft is rotatably arranged on the protection plate; the ratchet wheel is arranged on the first rotating shaft and matched with the sliding ratchet bar; a volute spiral spring installed between the shielding plate and the first rotating shaft; and the steel wire rope is wound on the first rotating shaft, and the tail end of the steel wire rope is provided with a pulling block.

Optionally, the cabinet collecting device includes: the C-shaped plate is arranged on the table plate; the sliding drawer is arranged on the C-shaped plate in a sliding manner; the fixed rod is arranged on one side plate; the sponge sleeve is arranged on the fixing rod.

Optionally, still including changeing the board device, changeing the board device including: the fixed shaft is rotatably arranged on the table plate; the rotating plate is arranged on the fixed shaft; the supporting plate is arranged on the table board; the sliding rack is arranged on the supporting plate in a sliding manner; the first sliding block is slidably arranged on the supporting plate; the second return spring is arranged between the first sliding block and the sliding rack; the second rotating shaft is rotatably arranged on the supporting plate; the first straight gear is arranged on the second rotating shaft and meshed with the sliding rack; the third rotating shaft is rotatably arranged on the supporting plate; the number of the bevel gears is two, one bevel gear is arranged on the second rotating shaft, the other bevel gear is arranged on the third rotating shaft, and the two bevel gears are meshed; the second straight gear is arranged on the third rotating shaft; and the arc-shaped rack is arranged on the rotating plate and is meshed with the second straight gear.

Optionally, still include and rise the board device, rise the board device and include: the sliding rod is arranged on the rotating plate; the first wedge-shaped plate is arranged on the sliding rod in a sliding manner; the second wedge-shaped plate is arranged on the rotating plate in a sliding mode and matched with the first wedge-shaped plate; the third reset spring is arranged between the second wedge-shaped plate and the rotating plate; the baffle, the baffle slidingtype is installed at the rotor plate, baffle and the cooperation of second wedge.

Optionally, the device further comprises a locking device, wherein the locking device comprises: the hook block is arranged on the rotating plate; the second sliding plate is slidably arranged on the supporting plate and is matched with the hook block; a fourth return spring installed between the second sliding plate and the support plate; and the contact plate is slidably mounted on the support plate and is fixedly connected with the second sliding plate.

Optionally, the device further comprises a release device, and the release device comprises: the connecting rod is arranged on the bottom plate in a sliding manner; the fifth return spring is arranged between the bottom plate and the connecting rod; the straight groove plate is arranged on the connecting rod; the T-shaped rod is slidably mounted on the middle sliding plate, the straight-line groove plate is sleeved on the T-shaped rod and is in sliding fit with the T-shaped rod, and the T-shaped rod is also matched with the sliding ratchet strip.

Optionally, the side sliding plate has damping.

The invention has the beneficial effects that:

1. the pull block is pulled to move rightwards, the pull block moves rightwards to drive the first rotating shaft to rotate forwards through the steel wire rope, the middle sliding plate moves upwards to be matched with the side sliding plate to drive the desk plate to move upwards to a proper position, and people can place a proper amount of books or sundries in the sliding drawer, so that the height of the desk can be conveniently adjusted by people.

2. Through the effect of commentaries on classics board device, adjustable rotor plate angle, so, can make things convenient for people to adjust the angle as required.

3. Through the effect of locking device, can carry on spacingly to the rotor plate, so, can avoid people to bump the rotor plate by mistake and make its swing.

Drawings

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

Fig. 2 is a schematic cross-sectional structure of the lifting device of the present invention.

Fig. 3 is a schematic perspective view of the cabinet folding device of the present invention.

Fig. 4 is a schematic cross-sectional view of the plate rotating apparatus according to the present invention.

Fig. 5 is an enlarged schematic view of part a of the present invention.

Fig. 6 is a schematic cross-sectional view of a plate lifting device according to the present invention.

Fig. 7 is a schematic perspective view of the locking device of the present invention.

Fig. 8 is a perspective view of the releasing device of the present invention.

The meaning of the reference symbols in the figures: 1: bottom plate, 2: side plate, 3: side sliding plate, 4: table, 5: lifting device, 51: middle plate, 52: middle sliding plate, 53: fixing plate, 54: sliding ratchet, 55: first return spring, 56: guard plate, 57: first rotating shaft, 58: ratchet, 59: scroll spring, 510: wire rope, 511: pulling block, 6: cabinet collection device, 61: c-type plate, 62: sliding drawer, 63: fixing rod, 64: sponge cover, 7: rotating plate device, 71: fixed shaft, 72: rotating plate, 73: support plate, 74: sliding rack, 75: first slider, 76: second return spring, 77: second rotating shaft, 78: first straight gear, 79: third rotation shaft, 710: bevel gear, 711: second spur gear, 712: arc rack, 8: plate lifting device, 81: slide bar, 82: first wedge plate, 83: second wedge plate, 84: third return spring, 85: baffle, 9: locking device, 91: hook block, 92: second sliding plate, 93: fourth return spring, 94: contact plate, 10: releasing device, 101: connecting rod, 102: fifth return spring, 103: slotted plate, 104: t-shaped rod.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

Example 1

An adjustable lifting multifunctional desk is shown in figures 1-3 and comprises a bottom plate 1, side plates 2, side sliding plates 3, a desk plate 4, a lifting device 5 and a cabinet collecting device 6, wherein the side plates 2 are symmetrically arranged on the front side and the rear side of the left side of the top of the bottom plate 1, the side sliding plates 3 are arranged in the side plates 2 in an inward sliding mode, the desk plate 4 is fixedly connected between the tops of the two side sliding plates 3, the lifting device 5 is arranged between the bottom plate 1 and the desk plate 4, and the cabinet collecting device 6 is arranged on the desk plate 4.

The lifting device 5 comprises a middle plate 51, a middle sliding plate 52, a fixed plate 53, a sliding ratchet bar 54, a first return spring 55, a protective plate 56, a first rotating shaft 57, a ratchet wheel 58, a volute spring 59, a steel wire rope 510 and a pulling block 511, wherein the middle plate 51 is arranged in the middle of the left side of the top of the bottom plate 1, the middle sliding plate 52 is arranged in the middle of the middle plate 51 in a sliding manner, the top of the middle sliding plate 52 is fixedly connected with the middle of the left side of the bottom of the table plate 4, the fixed plate 53 is embedded in the right part of the middle sliding plate 52, the sliding ratchet bar 54 is arranged on the fixed plate 53 in a sliding manner, the first return spring 55 is wound between the upper and lower parts of the right side of the fixed plate 53 and the upper and lower parts of the sliding ratchet bar 54, the protective plate 56 is fixedly connected to the right side of the middle plate 51, the protective plate 56 is in sliding fit with the sliding ratchet bar 54, the first rotating shaft 57 is rotatably arranged on the upper part of the protective plate 56, the ratchet wheel 58 is fixedly connected to the middle of the circumferential direction of the first rotating shaft 57, and the ratchet wheel 58 is matched with the sliding ratchet bar 54, a spiral spring 59 is wound between the upper part of the inner side of the protection plate 56 and the front part of the first rotating shaft 57, a steel wire rope 510 is wound at the rear part of the first rotating shaft 57, and a pull block 511 is fixedly connected at the tail end of the steel wire rope 510.

The cabinet collecting device 6 comprises a C-shaped plate 61, a sliding book drawer 62, a fixing rod 63 and a sponge sleeve 64, the C-shaped plate 61 is fixedly connected to the rear side of the top of the table plate 4, the sliding book drawer 62 is slidably arranged on the C-shaped plate 61, the fixing rod 63 is fixedly connected to the inner top of the rear side plate 2, and the sponge sleeve 64 is fixedly connected to the right portion of the fixing rod 63 in the circumferential direction.

Firstly, an operator can adjust the table plate 4 to move upwards according to the self requirement, pull the pull block 511 to move rightwards, the pull block 511 moves rightwards and drives the first rotating shaft 57 to rotate forwards through the steel wire rope 510, the volute spiral spring 59 is stretched, the first rotating shaft 57 rotates forwards and drives the ratchet wheel 58 to rotate forwards, the ratchet wheel 58 rotates forwards and drives the sliding ratchet bar 54 to move upwards, the sliding ratchet bar 54 moves upwards and drives the fixed plate 53 to move upwards, the fixed plate 53 moves upwards and drives the sliding plate 52 to move upwards, the middle sliding plate 52 moves upwards and is matched with the side sliding plate 3 to drive the table plate 4 to move upwards to a proper position, and people can place a proper amount of books or sundries into the sliding drawer 62, due to the action of gravity, the books or the sundries can enable the sliding drawer 62 to move downwards, the sliding drawer 62 moves downwards to be in contact with the fixed rod 63, the fixed rod 63 supports the fixed rod, the sponge sleeve 64 plays a buffering role, when the table plate 4 needs to be adjusted to move downwards, the sliding ratchet 54 is pressed to move leftwards, the first return spring 55 is compressed, the sliding ratchet 54 moves leftwards to be separated from the ratchet 58, the first rotating shaft 57 drives the pull block 511 to move leftwards to be reset through the steel wire rope 510 due to the action of the spiral spring 59, the side sliding plate 3 has damping and needs to be pressed to move downwards to a proper position to be reset at the same time, the sliding ratchet 54 is released, and the sliding ratchet 54 moves rightwards to be reset due to the action of the first return spring 55.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 4, 5 and 6, the present invention further comprises a rotating plate device 7, wherein the rotating plate device 7 comprises a fixed shaft 71, a rotating plate 72, a supporting plate 73, a sliding rack 74, a first sliding block 75, a second return spring 76, a second rotating shaft 77, a first straight gear 78, a third rotating shaft 79, a bevel gear 710, a second straight gear 711 and an arc rack 712, the fixed shaft 71 is rotatably disposed on the front right side of the table 4, the rotating plate 72 is circumferentially and fixedly connected to the fixed shaft 71, the supporting plate 73 is fixedly connected to the front bottom side of the table 4, the sliding rack 74 is slidably disposed on the right side of the rear inside of the supporting plate 73, the first sliding block 75 is slidably disposed on the right side of the rear inside of the supporting plate 73, the second return spring 76 is fixedly connected between the front side of the first sliding block 75 and the right side of the rear side of the sliding rack 74, the second rotating shaft 77 is rotatably disposed on the right side of the rear inside the supporting plate 73, a first straight gear 78 is fixedly connected to the lower portion of the second rotating shaft 77 in the circumferential direction, the first straight gear 78 is meshed with the sliding rack 74, a third rotating shaft 79 is rotatably arranged on the right side of the inner rear portion of the supporting plate 73, bevel gears 710 are fixedly connected to the rear portion of the third rotating shaft 79 in the circumferential direction and the lower portion of the second rotating shaft 77 in the circumferential direction, the two bevel gears 710 are meshed with each other, a second straight gear 711 is fixedly connected to the front portion of the third rotating shaft 79 in the circumferential direction, an arc-shaped rack 712 is fixedly connected to the rear portion of the right side of the bottom of the rotating plate 72, and the arc-shaped rack 712 is meshed with the second straight gear 711.

Still including rising the board device 8, it is including the slide bar 81 to rise the board device 8, first wedge 82, second wedge 83, third reset spring 84 and baffle 85, the right part front side is equipped with slide bar 81 in the rotor plate 72, the slide bar 81 is gone up the gliding formula and is equipped with first wedge 82, the gliding formula of right part front side is equipped with second wedge 83 in the rotor plate 72, second wedge 83 and the cooperation of first wedge 82, be equipped with third reset spring 84 between second wedge 83 trailing flank middle part and the rotor plate 72 is inside, the gliding formula of right part front side is equipped with baffle 85 in the rotor plate 72, baffle 85 and the cooperation of second wedge 83.

Firstly, an operator pulls the first sliding block 75 to move forwards, the second return spring 76 is compressed, then pulls the sliding rack 74 to move leftwards, the sliding rack 74 moves leftwards to drive the first straight gear 78 to rotate reversely, the first straight gear 78 rotates reversely to drive the second rotating shaft 77 to rotate reversely, the second rotating shaft 77 rotates reversely to drive the third rotating shaft 79 to rotate forwards through the bevel gear 710, the third rotating shaft 79 rotates forwards to drive the second straight gear 711 to rotate forwards, the second straight gear 711 rotates forwards to drive the arc rack 712 to move upwards, the arc rack 712 moves upwards to drive the rotating plate 72 to swing upwards, meanwhile, the sliding rack 74 moves leftwards to enable the first sliding block 75 to move leftwards, the first sliding block 75 moves leftwards to correspond to a left hole on the rear side of the supporting plate 73, the first sliding block 75 moves backwards to return under the action of the second return spring 76, when the operator does not need to use the device, the sliding rack 74 is pulled rightwards according to the operation, the rotating plate 72 also swings downwards to reset, so that the angle can be conveniently adjusted by people according to requirements.

Initially, third reset spring 84 is in compression state, when rotor plate 72 swung upwards, because of the effect of gravity, first wedge 82 moves downwards, because of third reset spring 84's effect, second wedge 83 moves forward and resets, second wedge 83 moves forward and drives baffle 85 rebound, it resets to reset to swing downwards when rotor plate 72 makes first wedge 82 rebound, second wedge 83 also resets also moves backwards, third reset spring 84 is compressed, and baffle 85 also resets also moves downwards, so, books take place the landing when rotor plate 72 is the tilt state.

Example 3

On the basis of the embodiments 1 and 2, as shown in fig. 1, 7 and 8, the locking device 9 is further included, the locking device 9 includes a hook block 91, a second sliding plate 92, a fourth return spring 93 and a contact plate 94, the hook block 91 is fixedly connected to the left portion of the front side of the bottom of the rotating plate 72, the second sliding plate 92 is slidably disposed on the left side of the front portion of the support plate 73, the second sliding plate 92 is engaged with the hook block 91, the fourth return spring 93 is disposed between the right side of the second sliding plate 92 and the inside of the support plate 73, the contact plate 94 is slidably disposed on the left side of the front portion of the support plate 73, and the rear end of the contact plate 94 is fixedly connected to the front side of the second sliding plate 92.

The novel release device comprises a release device 10, wherein the release device 10 comprises a connecting rod 101, a fifth reset spring 102, a straight-line groove plate 103 and a T-shaped rod 104, the connecting rod 101 is arranged in the middle of the bottom plate 1 in a sliding mode, the fifth reset spring 102 is connected between the inside of the bottom plate 1 and the right portion of the connecting rod 101 in a winding mode, the straight-line groove plate 103 is fixedly connected to the top end of the connecting rod 101, the T-shaped rod 104 is arranged in the middle of the middle sliding plate 52 in a sliding mode, the straight-line groove plate 103 is sleeved on the T-shaped rod 104 and is in sliding fit with the T-shaped rod 104, and the T-shaped rod 104 is further matched with the sliding ratchet bar 54.

When the angle of the rotating plate 72 needs to be adjusted, the contact plate 94 is pulled to move rightwards first, the fourth return spring 93 is compressed, the contact plate 94 moves rightwards to drive the second sliding plate 92 to move rightwards to return, the second sliding plate 92 moves rightwards to return to stop limiting the hook block 91, the rotating plate 72 can be adjusted, the contact plate 94 is loosened, the second sliding plate 92 drives the contact plate 94 to move leftwards to return under the action of the fourth return spring 93, when the rotating plate 72 swings downwards to return, the rotating plate 72 swings downwards to drive the hook block 91 to move downwards to return, the hook block 91 moves downwards to slide on the second sliding plate 92 under the action of the fourth return spring 93, the second sliding plate 92 limits the hook block 91, and the rotating plate 72 is limited, so that people can be prevented from mistakenly touching the rotating plate 72 to swing.

When the table plate 4 needs to be adjusted to move downwards for resetting, the connecting rod 101 is pressed to move leftwards, the fifth reset spring 102 is compressed, the connecting rod 101 moves leftwards to drive the slotted plate 103 to move leftwards, the slotted plate 103 moves leftwards to drive the T-shaped rod 104 to move leftwards, the T-shaped rod 104 moves leftwards to drive the sliding ratchet bar 54 to move leftwards to be separated from the ratchet wheel 58, and then the table plate 4 can be adjusted to move downwards, after the table plate 4 is adjusted, the connecting rod 101 is released, the connecting rod 101 drives the slotted plate 103 to move rightwards for resetting under the action of the fifth reset spring 102, and the T-shaped rod 104 also drives the sliding ratchet bar 54 to move rightwards for resetting. Thus, the sliding ratchet 54 can be moved conveniently.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An adjustable lifting multifunctional desk is characterized by comprising:

the bottom plate (1), the side plates (2) are symmetrically arranged on the bottom plate (1);

The side sliding plate (3), the side sliding plate (3) is installed on the side plate (2) in a sliding mode;

the table plate (4) is arranged between the two side sliding plates (3);

the lifting device (5) is arranged between the bottom plate (1) and the table plate (4) and is used for adjusting the height;

the cabinet collecting device (6) is arranged on the table board (4) and used for collecting;

still including changeing board device (7), changeing board device (7) including:

the fixed shaft (71), the fixed shaft (71) is rotatably mounted on the table plate (4);

a rotating plate (72), the rotating plate (72) being mounted on the fixed shaft (71);

the supporting plate (73), the supporting plate (73) is installed on the table plate (4);

the sliding rack (74), the sliding rack (74) is installed on the supporting plate (73) in a sliding way;

a first sliding block (75), wherein the first sliding block (75) is installed on the supporting plate (73) in a sliding way;

a second return spring (76), the second return spring (76) being mounted between the first slide block (75) and the slide rack (74);

the second rotating shaft (77), the second rotating shaft (77) is installed on the supporting plate (73) in a rotating mode;

a first straight gear (78), the first straight gear (78) is arranged on the second rotating shaft (77) and is meshed with the sliding rack (74);

The third rotating shaft (79), the third rotating shaft (79) is rotatably installed on the supporting plate (73);

the number of the bevel gears (710) is two, one of the bevel gears (710) is arranged on the second rotating shaft (77), the other bevel gear (710) is arranged on the third rotating shaft (79), and the two bevel gears (710) are meshed;

a second spur gear (711), the second spur gear (711) being mounted on the third rotation shaft (79);

the arc-shaped rack (712), the arc-shaped rack (712) is installed on the rotating plate (72), and the arc-shaped rack (712) is meshed with the second straight gear (711);

still including rising board device (8), rise board device (8) including:

the sliding rod (81), the sliding rod (81) is installed on the rotating plate (72);

the first wedge-shaped plate (82), the first wedge-shaped plate (82) is installed on the sliding rod (81) in a sliding mode;

the second wedge-shaped plate (83) is slidably mounted on the rotating plate (72), and the second wedge-shaped plate (83) is matched with the first wedge-shaped plate (82);

a third return spring (84), the third return spring (84) being mounted between the second wedge plate (83) and the rotating plate (72);

the baffle (85), baffle (85) slidable formula is installed in rotating plate (72), and baffle (85) and second wedge plate (83) cooperation.

2. An adjustable lifting multifunctional desk as claimed in claim 1 wherein the lifting means (5) comprises:

the middle plate (51), the middle plate (51) is installed on the bottom plate (1);

the middle sliding plate (52), the middle sliding plate (52) is installed on the middle plate (51) in a sliding mode and is fixedly connected with the table plate (4);

the fixed plate (53), the fixed plate (53) is installed on the middle sliding plate (52) in an embedded manner;

the sliding ratchet strip (54), the sliding ratchet strip (54) is installed on the fixed plate (53) in a sliding way;

the first return spring (55), the first return spring (55) is installed between the fixed plate (53) and the sliding ratchet (54) symmetrically;

the protection plate (56), the protection plate (56) is installed on the middle plate (51);

the first rotating shaft (57), the first rotating shaft (57) is rotatably installed on the protection plate (56);

the ratchet wheel (58), the ratchet wheel (58) is installed on the first rotating shaft (57), it cooperates with slip ratchet bar (54);

the scroll spring (59), the scroll spring (59) is installed between the guard plate (56) and the first rotating shaft (57);

the steel wire rope (510) is wound on the first rotating shaft (57), and a pulling block (511) is arranged at the tail end of the steel wire rope (510).

3. The multifunctional desk with the adjustable lifting function as claimed in claim 2, wherein the cabinet receiving device (6) comprises:

the C-shaped plate (61), the C-shaped plate (61) is installed on the table plate (4);

the sliding drawer (62), the sliding drawer (62) is installed on the C-shaped plate (61) in a sliding mode;

a fixing rod (63), wherein the fixing rod (63) is installed on one side plate (2);

the sponge sleeve (64), the sponge sleeve (64) is installed on the fixing rod (63).

4. The adjustable lifting multifunctional desk as claimed in claim 3, further comprising a locking device (9), wherein the locking device (9) comprises:

the hook block (91), the hook block (91) is installed on the rotating plate (72);

a second sliding plate (92), the second sliding plate (92) is slidably mounted on the support plate (73), and is matched with the hook block (91);

a fourth return spring (93), the fourth return spring (93) being installed between the second sliding plate (92) and the support plate (73);

and the contact plate (94), the contact plate (94) is slidably mounted on the support plate (73), and the contact plate is fixedly connected with the second sliding plate (92).

5. The adjustable lifting multifunctional desk as claimed in claim 4, further comprising a releasing device (10), wherein the releasing device (10) comprises:

The connecting rod (101), the connecting rod (101) is installed on the bottom plate (1) in a sliding mode;

the fifth return spring (102), the fifth return spring (102) is installed between the bottom plate (1) and the connecting rod (101);

the slotted plate (103) is arranged on the connecting rod (101);

the T-shaped rod (104), the T-shaped rod (104) is installed on the middle sliding plate (52) in a sliding mode, the straight-line groove plate (103) is sleeved on the T-shaped rod (104) and is matched with the T-shaped rod in a sliding mode, and the T-shaped rod (104) is also matched with the sliding ratchet strip (54).

6. The multifunctional desk with adjustable lifting as claimed in claim 1, wherein the side sliding plate (3) has damping.